1afaf5a2dSDavid Somayajulu /* 2afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 34a4f51e9SVikas Chaudhary * Copyright (c) 2003-2013 QLogic Corporation 4afaf5a2dSDavid Somayajulu * 5afaf5a2dSDavid Somayajulu * See LICENSE.qla4xxx for copyright and licensing details. 6afaf5a2dSDavid Somayajulu */ 7afaf5a2dSDavid Somayajulu #include <linux/moduleparam.h> 85a0e3ad6STejun Heo #include <linux/slab.h> 92a991c21SManish Rangankar #include <linux/blkdev.h> 102a991c21SManish Rangankar #include <linux/iscsi_boot_sysfs.h> 1113483730SMike Christie #include <linux/inet.h> 12afaf5a2dSDavid Somayajulu 13afaf5a2dSDavid Somayajulu #include <scsi/scsi_tcq.h> 14afaf5a2dSDavid Somayajulu #include <scsi/scsicam.h> 15afaf5a2dSDavid Somayajulu 16afaf5a2dSDavid Somayajulu #include "ql4_def.h" 17bee4fe8eSDavid C Somayajulu #include "ql4_version.h" 18bee4fe8eSDavid C Somayajulu #include "ql4_glbl.h" 19bee4fe8eSDavid C Somayajulu #include "ql4_dbg.h" 20bee4fe8eSDavid C Somayajulu #include "ql4_inline.h" 216e7b4292SVikas Chaudhary #include "ql4_83xx.h" 22afaf5a2dSDavid Somayajulu 23afaf5a2dSDavid Somayajulu /* 24afaf5a2dSDavid Somayajulu * Driver version 25afaf5a2dSDavid Somayajulu */ 2647975477SAdrian Bunk static char qla4xxx_version_str[40]; 27afaf5a2dSDavid Somayajulu 28afaf5a2dSDavid Somayajulu /* 29afaf5a2dSDavid Somayajulu * SRB allocation cache 30afaf5a2dSDavid Somayajulu */ 31e18b890bSChristoph Lameter static struct kmem_cache *srb_cachep; 32afaf5a2dSDavid Somayajulu 33afaf5a2dSDavid Somayajulu /* 34afaf5a2dSDavid Somayajulu * Module parameter information and variables 35afaf5a2dSDavid Somayajulu */ 36a7380a65SVikas Chaudhary static int ql4xdisablesysfsboot = 1; 3713483730SMike Christie module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); 3813483730SMike Christie MODULE_PARM_DESC(ql4xdisablesysfsboot, 39a4e8a715SKaren Higgins " Set to disable exporting boot targets to sysfs.\n" 40a4e8a715SKaren Higgins "\t\t 0 - Export boot targets\n" 41a4e8a715SKaren Higgins "\t\t 1 - Do not export boot targets (Default)"); 4213483730SMike Christie 433573bfb2SVikas Chaudhary int ql4xdontresethba; 44f4f5df23SVikas Chaudhary module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); 45afaf5a2dSDavid Somayajulu MODULE_PARM_DESC(ql4xdontresethba, 46a4e8a715SKaren Higgins " Don't reset the HBA for driver recovery.\n" 47a4e8a715SKaren Higgins "\t\t 0 - It will reset HBA (Default)\n" 48a4e8a715SKaren Higgins "\t\t 1 - It will NOT reset HBA"); 49afaf5a2dSDavid Somayajulu 50a4e8a715SKaren Higgins int ql4xextended_error_logging; 51f4f5df23SVikas Chaudhary module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); 5211010fecSAndrew Vasquez MODULE_PARM_DESC(ql4xextended_error_logging, 53a4e8a715SKaren Higgins " Option to enable extended error logging.\n" 54a4e8a715SKaren Higgins "\t\t 0 - no logging (Default)\n" 55a4e8a715SKaren Higgins "\t\t 2 - debug logging"); 56afaf5a2dSDavid Somayajulu 57f4f5df23SVikas Chaudhary int ql4xenablemsix = 1; 58f4f5df23SVikas Chaudhary module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); 59f4f5df23SVikas Chaudhary MODULE_PARM_DESC(ql4xenablemsix, 60f4f5df23SVikas Chaudhary " Set to enable MSI or MSI-X interrupt mechanism.\n" 61a4e8a715SKaren Higgins "\t\t 0 = enable INTx interrupt mechanism.\n" 62a4e8a715SKaren Higgins "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" 63a4e8a715SKaren Higgins "\t\t 2 = enable MSI interrupt mechanism."); 64477ffb9dSDavid C Somayajulu 65d510d965SMike Christie #define QL4_DEF_QDEPTH 32 668bb4033dSVikas Chaudhary static int ql4xmaxqdepth = QL4_DEF_QDEPTH; 678bb4033dSVikas Chaudhary module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); 688bb4033dSVikas Chaudhary MODULE_PARM_DESC(ql4xmaxqdepth, 698bb4033dSVikas Chaudhary " Maximum queue depth to report for target devices.\n" 70a4e8a715SKaren Higgins "\t\t Default: 32."); 71d510d965SMike Christie 72f7b4aa63STej Parkash static int ql4xqfulltracking = 1; 73f7b4aa63STej Parkash module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); 74f7b4aa63STej Parkash MODULE_PARM_DESC(ql4xqfulltracking, 75f7b4aa63STej Parkash " Enable or disable dynamic tracking and adjustment of\n" 76f7b4aa63STej Parkash "\t\t scsi device queue depth.\n" 77f7b4aa63STej Parkash "\t\t 0 - Disable.\n" 78f7b4aa63STej Parkash "\t\t 1 - Enable. (Default)"); 79f7b4aa63STej Parkash 803038727cSVikas Chaudhary static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; 813038727cSVikas Chaudhary module_param(ql4xsess_recovery_tmo, int, S_IRUGO); 823038727cSVikas Chaudhary MODULE_PARM_DESC(ql4xsess_recovery_tmo, 833038727cSVikas Chaudhary " Target Session Recovery Timeout.\n" 84a4e8a715SKaren Higgins "\t\t Default: 120 sec."); 853038727cSVikas Chaudhary 86068237c8STej Parkash int ql4xmdcapmask = 0x1F; 87068237c8STej Parkash module_param(ql4xmdcapmask, int, S_IRUGO); 88068237c8STej Parkash MODULE_PARM_DESC(ql4xmdcapmask, 89068237c8STej Parkash " Set the Minidump driver capture mask level.\n" 90068237c8STej Parkash "\t\t Default is 0x1F.\n" 91068237c8STej Parkash "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F"); 92068237c8STej Parkash 93068237c8STej Parkash int ql4xenablemd = 1; 94068237c8STej Parkash module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); 95068237c8STej Parkash MODULE_PARM_DESC(ql4xenablemd, 96068237c8STej Parkash " Set to enable minidump.\n" 97068237c8STej Parkash "\t\t 0 - disable minidump\n" 98068237c8STej Parkash "\t\t 1 - enable minidump (Default)"); 99068237c8STej Parkash 100b3a271a9SManish Rangankar static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); 101afaf5a2dSDavid Somayajulu /* 102afaf5a2dSDavid Somayajulu * SCSI host template entry points 103afaf5a2dSDavid Somayajulu */ 10447975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); 105afaf5a2dSDavid Somayajulu 106afaf5a2dSDavid Somayajulu /* 107afaf5a2dSDavid Somayajulu * iSCSI template entry points 108afaf5a2dSDavid Somayajulu */ 109fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 110fca9f04dSMike Christie enum iscsi_param param, char *buf); 111afaf5a2dSDavid Somayajulu static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, 112afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf); 113aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 114aa1e93a2SMike Christie enum iscsi_host_param param, char *buf); 11500c31889SMike Christie static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, 11600c31889SMike Christie uint32_t len); 117ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 118ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 119ed1086e0SVikas Chaudhary int param, char *buf); 1205c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); 121b3a271a9SManish Rangankar static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, 122b3a271a9SManish Rangankar struct sockaddr *dst_addr, 123b3a271a9SManish Rangankar int non_blocking); 124b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); 125b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); 126b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 127b3a271a9SManish Rangankar enum iscsi_param param, char *buf); 128b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); 129b3a271a9SManish Rangankar static struct iscsi_cls_conn * 130b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); 131b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 132b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 133b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading); 134b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); 135b3a271a9SManish Rangankar static struct iscsi_cls_session * 136b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, 137b3a271a9SManish Rangankar uint16_t qdepth, uint32_t initial_cmdsn); 138b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); 139b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata); 140b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); 141b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *); 142b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *); 143b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); 144b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 145b3a271a9SManish Rangankar struct iscsi_stats *stats); 146c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 147c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 148c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr); 149376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 150376738afSNilesh Javali uint32_t *num_entries, char *buf); 151376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); 15226ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, 15326ffd7b4SAdheer Chandravanshi int len); 1544161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len); 155c0b9d3f7SVikas Chaudhary 156afaf5a2dSDavid Somayajulu /* 157afaf5a2dSDavid Somayajulu * SCSI host template entry points 158afaf5a2dSDavid Somayajulu */ 159f281233dSJeff Garzik static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); 16009a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); 161afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); 162ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); 163afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); 164afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *device); 165afaf5a2dSDavid Somayajulu static int qla4xxx_slave_configure(struct scsi_device *device); 166afaf5a2dSDavid Somayajulu static void qla4xxx_slave_destroy(struct scsi_device *sdev); 1675e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param); 16895d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); 169f7b4aa63STej Parkash static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, 170f7b4aa63STej Parkash int reason); 171afaf5a2dSDavid Somayajulu 1721e9e2be3SAdheer Chandravanshi /* 1731e9e2be3SAdheer Chandravanshi * iSCSI Flash DDB sysfs entry points 1741e9e2be3SAdheer Chandravanshi */ 1751e9e2be3SAdheer Chandravanshi static int 1761e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 1771e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 1781e9e2be3SAdheer Chandravanshi void *data, int len); 1791e9e2be3SAdheer Chandravanshi static int 1801e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 1811e9e2be3SAdheer Chandravanshi int param, char *buf); 1821e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 1831e9e2be3SAdheer Chandravanshi int len); 1841e9e2be3SAdheer Chandravanshi static int 1851e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); 1861e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 1871e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1881e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 1891e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1901e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); 1911e9e2be3SAdheer Chandravanshi 192f4f5df23SVikas Chaudhary static struct qla4_8xxx_legacy_intr_set legacy_intr[] = 193f4f5df23SVikas Chaudhary QLA82XX_LEGACY_INTR_CONFIG; 194f4f5df23SVikas Chaudhary 195afaf5a2dSDavid Somayajulu static struct scsi_host_template qla4xxx_driver_template = { 196afaf5a2dSDavid Somayajulu .module = THIS_MODULE, 197afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 198afaf5a2dSDavid Somayajulu .proc_name = DRIVER_NAME, 199afaf5a2dSDavid Somayajulu .queuecommand = qla4xxx_queuecommand, 200afaf5a2dSDavid Somayajulu 20109a0f719SVikas Chaudhary .eh_abort_handler = qla4xxx_eh_abort, 202afaf5a2dSDavid Somayajulu .eh_device_reset_handler = qla4xxx_eh_device_reset, 203ce545039SMike Christie .eh_target_reset_handler = qla4xxx_eh_target_reset, 204afaf5a2dSDavid Somayajulu .eh_host_reset_handler = qla4xxx_eh_host_reset, 2055c656af7SMike Christie .eh_timed_out = qla4xxx_eh_cmd_timed_out, 206afaf5a2dSDavid Somayajulu 207afaf5a2dSDavid Somayajulu .slave_configure = qla4xxx_slave_configure, 208afaf5a2dSDavid Somayajulu .slave_alloc = qla4xxx_slave_alloc, 209afaf5a2dSDavid Somayajulu .slave_destroy = qla4xxx_slave_destroy, 210f7b4aa63STej Parkash .change_queue_depth = qla4xxx_change_queue_depth, 211afaf5a2dSDavid Somayajulu 212afaf5a2dSDavid Somayajulu .this_id = -1, 213afaf5a2dSDavid Somayajulu .cmd_per_lun = 3, 214afaf5a2dSDavid Somayajulu .use_clustering = ENABLE_CLUSTERING, 215afaf5a2dSDavid Somayajulu .sg_tablesize = SG_ALL, 216afaf5a2dSDavid Somayajulu 217afaf5a2dSDavid Somayajulu .max_sectors = 0xFFFF, 2187ad633c0SHarish Zunjarrao .shost_attrs = qla4xxx_host_attrs, 21995d31262SVikas Chaudhary .host_reset = qla4xxx_host_reset, 220a355943cSVikas Chaudhary .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, 221afaf5a2dSDavid Somayajulu }; 222afaf5a2dSDavid Somayajulu 223afaf5a2dSDavid Somayajulu static struct iscsi_transport qla4xxx_iscsi_transport = { 224afaf5a2dSDavid Somayajulu .owner = THIS_MODULE, 225afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 226b3a271a9SManish Rangankar .caps = CAP_TEXT_NEGO | 227b3a271a9SManish Rangankar CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | 228b3a271a9SManish Rangankar CAP_DATADGST | CAP_LOGIN_OFFLOAD | 229b3a271a9SManish Rangankar CAP_MULTI_R2T, 2305e9bcec7SVikas Chaudhary .attr_is_visible = qla4_attr_is_visible, 231b3a271a9SManish Rangankar .create_session = qla4xxx_session_create, 232b3a271a9SManish Rangankar .destroy_session = qla4xxx_session_destroy, 233b3a271a9SManish Rangankar .start_conn = qla4xxx_conn_start, 234b3a271a9SManish Rangankar .create_conn = qla4xxx_conn_create, 235b3a271a9SManish Rangankar .bind_conn = qla4xxx_conn_bind, 236b3a271a9SManish Rangankar .stop_conn = iscsi_conn_stop, 237b3a271a9SManish Rangankar .destroy_conn = qla4xxx_conn_destroy, 238b3a271a9SManish Rangankar .set_param = iscsi_set_param, 239afaf5a2dSDavid Somayajulu .get_conn_param = qla4xxx_conn_get_param, 240fca9f04dSMike Christie .get_session_param = qla4xxx_session_get_param, 241b3a271a9SManish Rangankar .get_ep_param = qla4xxx_get_ep_param, 242b3a271a9SManish Rangankar .ep_connect = qla4xxx_ep_connect, 243b3a271a9SManish Rangankar .ep_poll = qla4xxx_ep_poll, 244b3a271a9SManish Rangankar .ep_disconnect = qla4xxx_ep_disconnect, 245b3a271a9SManish Rangankar .get_stats = qla4xxx_conn_get_stats, 246b3a271a9SManish Rangankar .send_pdu = iscsi_conn_send_pdu, 247b3a271a9SManish Rangankar .xmit_task = qla4xxx_task_xmit, 248b3a271a9SManish Rangankar .cleanup_task = qla4xxx_task_cleanup, 249b3a271a9SManish Rangankar .alloc_pdu = qla4xxx_alloc_pdu, 250b3a271a9SManish Rangankar 251aa1e93a2SMike Christie .get_host_param = qla4xxx_host_get_param, 252d00efe3fSMike Christie .set_iface_param = qla4xxx_iface_set_param, 253ed1086e0SVikas Chaudhary .get_iface_param = qla4xxx_get_iface_param, 254a355943cSVikas Chaudhary .bsg_request = qla4xxx_bsg_request, 255c0b9d3f7SVikas Chaudhary .send_ping = qla4xxx_send_ping, 256376738afSNilesh Javali .get_chap = qla4xxx_get_chap_list, 257376738afSNilesh Javali .delete_chap = qla4xxx_delete_chap, 25826ffd7b4SAdheer Chandravanshi .set_chap = qla4xxx_set_chap_entry, 2591e9e2be3SAdheer Chandravanshi .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, 2601e9e2be3SAdheer Chandravanshi .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, 2611e9e2be3SAdheer Chandravanshi .new_flashnode = qla4xxx_sysfs_ddb_add, 2621e9e2be3SAdheer Chandravanshi .del_flashnode = qla4xxx_sysfs_ddb_delete, 2631e9e2be3SAdheer Chandravanshi .login_flashnode = qla4xxx_sysfs_ddb_login, 2641e9e2be3SAdheer Chandravanshi .logout_flashnode = qla4xxx_sysfs_ddb_logout, 2651e9e2be3SAdheer Chandravanshi .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, 2664161cee5SLalit Chandivade .get_host_stats = qla4xxx_get_host_stats, 267afaf5a2dSDavid Somayajulu }; 268afaf5a2dSDavid Somayajulu 269afaf5a2dSDavid Somayajulu static struct scsi_transport_template *qla4xxx_scsi_transport; 270afaf5a2dSDavid Somayajulu 271c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 272c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 273c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr) 274c0b9d3f7SVikas Chaudhary { 275c0b9d3f7SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 276c0b9d3f7SVikas Chaudhary struct sockaddr_in *addr; 277c0b9d3f7SVikas Chaudhary struct sockaddr_in6 *addr6; 278c0b9d3f7SVikas Chaudhary uint32_t options = 0; 279c0b9d3f7SVikas Chaudhary uint8_t ipaddr[IPv6_ADDR_LEN]; 280c0b9d3f7SVikas Chaudhary int rval; 281c0b9d3f7SVikas Chaudhary 282c0b9d3f7SVikas Chaudhary memset(ipaddr, 0, IPv6_ADDR_LEN); 283c0b9d3f7SVikas Chaudhary /* IPv4 to IPv4 */ 284c0b9d3f7SVikas Chaudhary if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && 285c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET)) { 286c0b9d3f7SVikas Chaudhary addr = (struct sockaddr_in *)dst_addr; 287c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); 288c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " 289c0b9d3f7SVikas Chaudhary "dest: %pI4\n", __func__, 290c0b9d3f7SVikas Chaudhary &ha->ip_config.ip_address, ipaddr)); 291c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, 292c0b9d3f7SVikas Chaudhary ipaddr); 293c0b9d3f7SVikas Chaudhary if (rval) 294c0b9d3f7SVikas Chaudhary rval = -EINVAL; 295c0b9d3f7SVikas Chaudhary } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && 296c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET6)) { 297c0b9d3f7SVikas Chaudhary /* IPv6 to IPv6 */ 298c0b9d3f7SVikas Chaudhary addr6 = (struct sockaddr_in6 *)dst_addr; 299c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); 300c0b9d3f7SVikas Chaudhary 301c0b9d3f7SVikas Chaudhary options |= PING_IPV6_PROTOCOL_ENABLE; 302c0b9d3f7SVikas Chaudhary 303c0b9d3f7SVikas Chaudhary /* Ping using LinkLocal address */ 304c0b9d3f7SVikas Chaudhary if ((iface_num == 0) || (iface_num == 1)) { 305c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " 306c0b9d3f7SVikas Chaudhary "src: %pI6 dest: %pI6\n", __func__, 307c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr, 308c0b9d3f7SVikas Chaudhary ipaddr)); 309c0b9d3f7SVikas Chaudhary options |= PING_IPV6_LINKLOCAL_ADDR; 310c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 311c0b9d3f7SVikas Chaudhary pid, ipaddr); 312c0b9d3f7SVikas Chaudhary } else { 313c0b9d3f7SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " 314c0b9d3f7SVikas Chaudhary "not supported\n", __func__, iface_num); 315c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 316c0b9d3f7SVikas Chaudhary goto exit_send_ping; 317c0b9d3f7SVikas Chaudhary } 318c0b9d3f7SVikas Chaudhary 319c0b9d3f7SVikas Chaudhary /* 320c0b9d3f7SVikas Chaudhary * If ping using LinkLocal address fails, try ping using 321c0b9d3f7SVikas Chaudhary * IPv6 address 322c0b9d3f7SVikas Chaudhary */ 323c0b9d3f7SVikas Chaudhary if (rval != QLA_SUCCESS) { 324c0b9d3f7SVikas Chaudhary options &= ~PING_IPV6_LINKLOCAL_ADDR; 325c0b9d3f7SVikas Chaudhary if (iface_num == 0) { 326c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR0; 327c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 328c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 329c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 330c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr0, 331c0b9d3f7SVikas Chaudhary ipaddr)); 332c0b9d3f7SVikas Chaudhary } else if (iface_num == 1) { 333c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR1; 334c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 335c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 336c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 337c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr1, 338c0b9d3f7SVikas Chaudhary ipaddr)); 339c0b9d3f7SVikas Chaudhary } 340c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 341c0b9d3f7SVikas Chaudhary pid, ipaddr); 342c0b9d3f7SVikas Chaudhary if (rval) 343c0b9d3f7SVikas Chaudhary rval = -EINVAL; 344c0b9d3f7SVikas Chaudhary } 345c0b9d3f7SVikas Chaudhary } else 346c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 347c0b9d3f7SVikas Chaudhary exit_send_ping: 348c0b9d3f7SVikas Chaudhary return rval; 349c0b9d3f7SVikas Chaudhary } 350c0b9d3f7SVikas Chaudhary 3515e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param) 3523128c6c7SMike Christie { 3533128c6c7SMike Christie switch (param_type) { 354f27fb2efSMike Christie case ISCSI_HOST_PARAM: 355f27fb2efSMike Christie switch (param) { 356f27fb2efSMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 357f27fb2efSMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 358f27fb2efSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 3593254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 3603254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 361f27fb2efSMike Christie return S_IRUGO; 362f27fb2efSMike Christie default: 363f27fb2efSMike Christie return 0; 364f27fb2efSMike Christie } 3653128c6c7SMike Christie case ISCSI_PARAM: 3663128c6c7SMike Christie switch (param) { 367590134faSMike Christie case ISCSI_PARAM_PERSISTENT_ADDRESS: 368590134faSMike Christie case ISCSI_PARAM_PERSISTENT_PORT: 3693128c6c7SMike Christie case ISCSI_PARAM_CONN_ADDRESS: 3703128c6c7SMike Christie case ISCSI_PARAM_CONN_PORT: 3711d063c17SMike Christie case ISCSI_PARAM_TARGET_NAME: 3721d063c17SMike Christie case ISCSI_PARAM_TPGT: 3731d063c17SMike Christie case ISCSI_PARAM_TARGET_ALIAS: 374b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_BURST: 375b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_R2T: 376b3a271a9SManish Rangankar case ISCSI_PARAM_FIRST_BURST: 377b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_RECV_DLENGTH: 378b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_XMIT_DLENGTH: 379de37920bSMike Christie case ISCSI_PARAM_IFACE_NAME: 380fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 381fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 382fca9f04dSMike Christie case ISCSI_PARAM_USERNAME: 383fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD: 384fca9f04dSMike Christie case ISCSI_PARAM_USERNAME_IN: 385fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD_IN: 3868cc91d42SAdheer Chandravanshi case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: 3878cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_SESS: 3888cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PORTAL_TYPE: 3898cc91d42SAdheer Chandravanshi case ISCSI_PARAM_CHAP_AUTH_EN: 3908cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: 3918cc91d42SAdheer Chandravanshi case ISCSI_PARAM_BIDI_CHAP_EN: 3928cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: 3938cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2WAIT: 3948cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2RETAIN: 3958cc91d42SAdheer Chandravanshi case ISCSI_PARAM_HDRDGST_EN: 3968cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATADGST_EN: 3978cc91d42SAdheer Chandravanshi case ISCSI_PARAM_INITIAL_R2T_EN: 3988cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IMM_DATA_EN: 3998cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PDU_INORDER_EN: 4008cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATASEQ_INORDER_EN: 4018cc91d42SAdheer Chandravanshi case ISCSI_PARAM_MAX_SEGMENT_SIZE: 4028cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_STAT: 4038cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_WSF_DISABLE: 4048cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_NAGLE_DISABLE: 4058cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMER_SCALE: 4068cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_EN: 4078cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_XMIT_WSF: 4088cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_RECV_WSF: 4098cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IP_FRAGMENT_DISABLE: 4108cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV4_TOS: 4118cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_TC: 4128cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_FLOW_LABEL: 4138cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: 4148cc91d42SAdheer Chandravanshi case ISCSI_PARAM_KEEPALIVE_TMO: 4158cc91d42SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_PORT: 4168cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ISID: 4178cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TSID: 4188cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TASKMGMT_TMO: 4198cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ERL: 4208cc91d42SAdheer Chandravanshi case ISCSI_PARAM_STATSN: 4218cc91d42SAdheer Chandravanshi case ISCSI_PARAM_EXP_STATSN: 4228cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_IDX: 4238cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: 424fb734ee3SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_IPADDR: 4253128c6c7SMike Christie return S_IRUGO; 4263128c6c7SMike Christie default: 4273128c6c7SMike Christie return 0; 4283128c6c7SMike Christie } 429b78dbba0SMike Christie case ISCSI_NET_PARAM: 430b78dbba0SMike Christie switch (param) { 431b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 432b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 433b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_GW: 434b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 435b78dbba0SMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 436b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 437b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 438b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 439b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 440b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 4416ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 4426ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 4436ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 444943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 4452ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 446f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 447f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 448f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 449f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 450f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 451f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 452f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 453f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 454f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 455f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 456f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 457f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 458f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 459f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 460f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 461f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 462f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 463f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 464f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 465f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 466f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 467f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 468f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 469f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 470f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 471f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 472f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 473f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 474f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 475f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 476f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 477f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 478f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 479f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 480f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 481f8e93412SHarish Zunjarrao return S_IRUGO; 482f8e93412SHarish Zunjarrao default: 483f8e93412SHarish Zunjarrao return 0; 484f8e93412SHarish Zunjarrao } 485f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM: 486f8e93412SHarish Zunjarrao switch (param) { 487f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 488f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 489f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 490f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 491f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 492f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 493f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 494f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 495f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 496f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 497f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 498f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 499f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 500f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 501f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 502f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 503f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 504f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 505b78dbba0SMike Christie return S_IRUGO; 506b78dbba0SMike Christie default: 507b78dbba0SMike Christie return 0; 508b78dbba0SMike Christie } 5091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PARAM: 5101e9e2be3SAdheer Chandravanshi switch (param) { 5111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 5121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 5131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 5141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 5151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 5161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 5171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 5181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 5191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 5201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 5211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 5221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 5231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 5241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 5251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 5261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 5271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 5281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 5291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 5301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 5311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 5321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 5331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 5341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 5351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 5361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 5371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 5381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 5391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 5401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 5411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 5421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 5431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 5441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 5451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 5461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 5471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 5481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 5491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 5501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 5511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 5521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 5531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 5541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 5551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 5561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 5571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 5581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 5591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 5601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 5611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 5621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 5631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 5641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 5651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 5661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 5671e9e2be3SAdheer Chandravanshi return S_IRUGO; 5681e9e2be3SAdheer Chandravanshi default: 5691e9e2be3SAdheer Chandravanshi return 0; 5701e9e2be3SAdheer Chandravanshi } 5713128c6c7SMike Christie } 5723128c6c7SMike Christie 5733128c6c7SMike Christie return 0; 5743128c6c7SMike Christie } 5753128c6c7SMike Christie 576ea507a25SAdheer Chandravanshi /** 577ea507a25SAdheer Chandravanshi * qla4xxx_create chap_list - Create CHAP list from FLASH 578ea507a25SAdheer Chandravanshi * @ha: pointer to adapter structure 579ea507a25SAdheer Chandravanshi * 580ea507a25SAdheer Chandravanshi * Read flash and make a list of CHAP entries, during login when a CHAP entry 581ea507a25SAdheer Chandravanshi * is received, it will be checked in this list. If entry exist then the CHAP 582ea507a25SAdheer Chandravanshi * entry index is set in the DDB. If CHAP entry does not exist in this list 583ea507a25SAdheer Chandravanshi * then a new entry is added in FLASH in CHAP table and the index obtained is 584ea507a25SAdheer Chandravanshi * used in the DDB. 585ea507a25SAdheer Chandravanshi **/ 586ea507a25SAdheer Chandravanshi static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) 587ea507a25SAdheer Chandravanshi { 588ea507a25SAdheer Chandravanshi int rval = 0; 589ea507a25SAdheer Chandravanshi uint8_t *chap_flash_data = NULL; 590ea507a25SAdheer Chandravanshi uint32_t offset; 591ea507a25SAdheer Chandravanshi dma_addr_t chap_dma; 592ea507a25SAdheer Chandravanshi uint32_t chap_size = 0; 593ea507a25SAdheer Chandravanshi 594ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) 595ea507a25SAdheer Chandravanshi chap_size = MAX_CHAP_ENTRIES_40XX * 596ea507a25SAdheer Chandravanshi sizeof(struct ql4_chap_table); 597ea507a25SAdheer Chandravanshi else /* Single region contains CHAP info for both 598ea507a25SAdheer Chandravanshi * ports which is divided into half for each port. 599ea507a25SAdheer Chandravanshi */ 600ea507a25SAdheer Chandravanshi chap_size = ha->hw.flt_chap_size / 2; 601ea507a25SAdheer Chandravanshi 602ea507a25SAdheer Chandravanshi chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, 603ea507a25SAdheer Chandravanshi &chap_dma, GFP_KERNEL); 604ea507a25SAdheer Chandravanshi if (!chap_flash_data) { 605ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); 606ea507a25SAdheer Chandravanshi return; 607ea507a25SAdheer Chandravanshi } 608ea507a25SAdheer Chandravanshi 609ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) { 610ea507a25SAdheer Chandravanshi offset = FLASH_CHAP_OFFSET; 611ea507a25SAdheer Chandravanshi } else { 612ea507a25SAdheer Chandravanshi offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 613ea507a25SAdheer Chandravanshi if (ha->port_num == 1) 614ea507a25SAdheer Chandravanshi offset += chap_size; 615ea507a25SAdheer Chandravanshi } 616ea507a25SAdheer Chandravanshi 617ea507a25SAdheer Chandravanshi rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 618ea507a25SAdheer Chandravanshi if (rval != QLA_SUCCESS) 619ea507a25SAdheer Chandravanshi goto exit_chap_list; 620ea507a25SAdheer Chandravanshi 621ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) 622ea507a25SAdheer Chandravanshi ha->chap_list = vmalloc(chap_size); 623ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) { 624ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); 625ea507a25SAdheer Chandravanshi goto exit_chap_list; 626ea507a25SAdheer Chandravanshi } 627ea507a25SAdheer Chandravanshi 628ea507a25SAdheer Chandravanshi memset(ha->chap_list, 0, chap_size); 629ea507a25SAdheer Chandravanshi memcpy(ha->chap_list, chap_flash_data, chap_size); 630ea507a25SAdheer Chandravanshi 631ea507a25SAdheer Chandravanshi exit_chap_list: 632ea507a25SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma); 633ea507a25SAdheer Chandravanshi } 634ea507a25SAdheer Chandravanshi 63526ffd7b4SAdheer Chandravanshi static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, 63626ffd7b4SAdheer Chandravanshi int16_t chap_index, 63726ffd7b4SAdheer Chandravanshi struct ql4_chap_table **chap_entry) 63826ffd7b4SAdheer Chandravanshi { 63926ffd7b4SAdheer Chandravanshi int rval = QLA_ERROR; 64026ffd7b4SAdheer Chandravanshi int max_chap_entries; 64126ffd7b4SAdheer Chandravanshi 64226ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 64326ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 64426ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 64526ffd7b4SAdheer Chandravanshi goto exit_get_chap; 64626ffd7b4SAdheer Chandravanshi } 64726ffd7b4SAdheer Chandravanshi 64826ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 64926ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 65026ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 65126ffd7b4SAdheer Chandravanshi else 65226ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 65326ffd7b4SAdheer Chandravanshi 65426ffd7b4SAdheer Chandravanshi if (chap_index > max_chap_entries) { 65526ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); 65626ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 65726ffd7b4SAdheer Chandravanshi goto exit_get_chap; 65826ffd7b4SAdheer Chandravanshi } 65926ffd7b4SAdheer Chandravanshi 66026ffd7b4SAdheer Chandravanshi *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; 66126ffd7b4SAdheer Chandravanshi if ((*chap_entry)->cookie != 66226ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 66326ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 66426ffd7b4SAdheer Chandravanshi *chap_entry = NULL; 66526ffd7b4SAdheer Chandravanshi } else { 66626ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 66726ffd7b4SAdheer Chandravanshi } 66826ffd7b4SAdheer Chandravanshi 66926ffd7b4SAdheer Chandravanshi exit_get_chap: 67026ffd7b4SAdheer Chandravanshi return rval; 67126ffd7b4SAdheer Chandravanshi } 67226ffd7b4SAdheer Chandravanshi 67326ffd7b4SAdheer Chandravanshi /** 67426ffd7b4SAdheer Chandravanshi * qla4xxx_find_free_chap_index - Find the first free chap index 67526ffd7b4SAdheer Chandravanshi * @ha: pointer to adapter structure 67626ffd7b4SAdheer Chandravanshi * @chap_index: CHAP index to be returned 67726ffd7b4SAdheer Chandravanshi * 67826ffd7b4SAdheer Chandravanshi * Find the first free chap index available in the chap table 67926ffd7b4SAdheer Chandravanshi * 68026ffd7b4SAdheer Chandravanshi * Note: Caller should acquire the chap lock before getting here. 68126ffd7b4SAdheer Chandravanshi **/ 68226ffd7b4SAdheer Chandravanshi static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, 68326ffd7b4SAdheer Chandravanshi uint16_t *chap_index) 68426ffd7b4SAdheer Chandravanshi { 68526ffd7b4SAdheer Chandravanshi int i, rval; 68626ffd7b4SAdheer Chandravanshi int free_index = -1; 68726ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 68826ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_table; 68926ffd7b4SAdheer Chandravanshi 69026ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 69126ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 69226ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 69326ffd7b4SAdheer Chandravanshi else 69426ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 69526ffd7b4SAdheer Chandravanshi 69626ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 69726ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 69826ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 69926ffd7b4SAdheer Chandravanshi goto exit_find_chap; 70026ffd7b4SAdheer Chandravanshi } 70126ffd7b4SAdheer Chandravanshi 70226ffd7b4SAdheer Chandravanshi for (i = 0; i < max_chap_entries; i++) { 70326ffd7b4SAdheer Chandravanshi chap_table = (struct ql4_chap_table *)ha->chap_list + i; 70426ffd7b4SAdheer Chandravanshi 70526ffd7b4SAdheer Chandravanshi if ((chap_table->cookie != 70626ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && 70726ffd7b4SAdheer Chandravanshi (i > MAX_RESRV_CHAP_IDX)) { 70826ffd7b4SAdheer Chandravanshi free_index = i; 70926ffd7b4SAdheer Chandravanshi break; 71026ffd7b4SAdheer Chandravanshi } 71126ffd7b4SAdheer Chandravanshi } 71226ffd7b4SAdheer Chandravanshi 71326ffd7b4SAdheer Chandravanshi if (free_index != -1) { 71426ffd7b4SAdheer Chandravanshi *chap_index = free_index; 71526ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 71626ffd7b4SAdheer Chandravanshi } else { 71726ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 71826ffd7b4SAdheer Chandravanshi } 71926ffd7b4SAdheer Chandravanshi 72026ffd7b4SAdheer Chandravanshi exit_find_chap: 72126ffd7b4SAdheer Chandravanshi return rval; 72226ffd7b4SAdheer Chandravanshi } 72326ffd7b4SAdheer Chandravanshi 724376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 725376738afSNilesh Javali uint32_t *num_entries, char *buf) 726376738afSNilesh Javali { 727376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 728376738afSNilesh Javali struct ql4_chap_table *chap_table; 729376738afSNilesh Javali struct iscsi_chap_rec *chap_rec; 730376738afSNilesh Javali int max_chap_entries = 0; 731376738afSNilesh Javali int valid_chap_entries = 0; 732376738afSNilesh Javali int ret = 0, i; 733376738afSNilesh Javali 734d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 735376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 736376738afSNilesh Javali sizeof(struct ql4_chap_table); 737376738afSNilesh Javali else 738376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 739376738afSNilesh Javali 740376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", 741376738afSNilesh Javali __func__, *num_entries, chap_tbl_idx); 742376738afSNilesh Javali 743376738afSNilesh Javali if (!buf) { 744376738afSNilesh Javali ret = -ENOMEM; 745376738afSNilesh Javali goto exit_get_chap_list; 746376738afSNilesh Javali } 747376738afSNilesh Javali 748ea507a25SAdheer Chandravanshi qla4xxx_create_chap_list(ha); 749ea507a25SAdheer Chandravanshi 750376738afSNilesh Javali chap_rec = (struct iscsi_chap_rec *) buf; 751376738afSNilesh Javali mutex_lock(&ha->chap_sem); 752376738afSNilesh Javali for (i = chap_tbl_idx; i < max_chap_entries; i++) { 753376738afSNilesh Javali chap_table = (struct ql4_chap_table *)ha->chap_list + i; 754376738afSNilesh Javali if (chap_table->cookie != 755376738afSNilesh Javali __constant_cpu_to_le16(CHAP_VALID_COOKIE)) 756376738afSNilesh Javali continue; 757376738afSNilesh Javali 758376738afSNilesh Javali chap_rec->chap_tbl_idx = i; 759376738afSNilesh Javali strncpy(chap_rec->username, chap_table->name, 760376738afSNilesh Javali ISCSI_CHAP_AUTH_NAME_MAX_LEN); 761376738afSNilesh Javali strncpy(chap_rec->password, chap_table->secret, 762376738afSNilesh Javali QL4_CHAP_MAX_SECRET_LEN); 763376738afSNilesh Javali chap_rec->password_length = chap_table->secret_len; 764376738afSNilesh Javali 765376738afSNilesh Javali if (chap_table->flags & BIT_7) /* local */ 766376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_OUT; 767376738afSNilesh Javali 768376738afSNilesh Javali if (chap_table->flags & BIT_6) /* peer */ 769376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_IN; 770376738afSNilesh Javali 771376738afSNilesh Javali chap_rec++; 772376738afSNilesh Javali 773376738afSNilesh Javali valid_chap_entries++; 774376738afSNilesh Javali if (valid_chap_entries == *num_entries) 775376738afSNilesh Javali break; 776376738afSNilesh Javali else 777376738afSNilesh Javali continue; 778376738afSNilesh Javali } 779376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 780376738afSNilesh Javali 781376738afSNilesh Javali exit_get_chap_list: 782376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 783376738afSNilesh Javali __func__, valid_chap_entries); 784376738afSNilesh Javali *num_entries = valid_chap_entries; 785376738afSNilesh Javali return ret; 786376738afSNilesh Javali } 787376738afSNilesh Javali 788376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 789376738afSNilesh Javali { 790376738afSNilesh Javali int ret = 0; 791376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 792376738afSNilesh Javali struct iscsi_cls_session *cls_session; 793376738afSNilesh Javali struct iscsi_session *sess; 794376738afSNilesh Javali struct ddb_entry *ddb_entry; 795376738afSNilesh Javali 796376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 797376738afSNilesh Javali goto exit_is_chap_active; 798376738afSNilesh Javali 799376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 800376738afSNilesh Javali sess = cls_session->dd_data; 801376738afSNilesh Javali ddb_entry = sess->dd_data; 802376738afSNilesh Javali 803376738afSNilesh Javali if (iscsi_session_chkready(cls_session)) 804376738afSNilesh Javali goto exit_is_chap_active; 805376738afSNilesh Javali 806376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 807376738afSNilesh Javali ret = 1; 808376738afSNilesh Javali 809376738afSNilesh Javali exit_is_chap_active: 810376738afSNilesh Javali return ret; 811376738afSNilesh Javali } 812376738afSNilesh Javali 813376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 814376738afSNilesh Javali uint16_t chap_tbl_idx) 815376738afSNilesh Javali { 816376738afSNilesh Javali int ret = 0; 817376738afSNilesh Javali 818376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 819376738afSNilesh Javali __qla4xxx_is_chap_active); 820376738afSNilesh Javali 821376738afSNilesh Javali return ret; 822376738afSNilesh Javali } 823376738afSNilesh Javali 824376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 825376738afSNilesh Javali { 826376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 827376738afSNilesh Javali struct ql4_chap_table *chap_table; 828376738afSNilesh Javali dma_addr_t chap_dma; 829376738afSNilesh Javali int max_chap_entries = 0; 830376738afSNilesh Javali uint32_t offset = 0; 831376738afSNilesh Javali uint32_t chap_size; 832376738afSNilesh Javali int ret = 0; 833376738afSNilesh Javali 834376738afSNilesh Javali chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 835376738afSNilesh Javali if (chap_table == NULL) 836376738afSNilesh Javali return -ENOMEM; 837376738afSNilesh Javali 838376738afSNilesh Javali memset(chap_table, 0, sizeof(struct ql4_chap_table)); 839376738afSNilesh Javali 840d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 841376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 842376738afSNilesh Javali sizeof(struct ql4_chap_table); 843376738afSNilesh Javali else 844376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 845376738afSNilesh Javali 846376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 847376738afSNilesh Javali ret = -EINVAL; 848376738afSNilesh Javali goto exit_delete_chap; 849376738afSNilesh Javali } 850376738afSNilesh Javali 851376738afSNilesh Javali /* Check if chap index is in use. 852376738afSNilesh Javali * If chap is in use don't delet chap entry */ 853376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 854376738afSNilesh Javali if (ret) { 855376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 856376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 857376738afSNilesh Javali ret = -EBUSY; 858376738afSNilesh Javali goto exit_delete_chap; 859376738afSNilesh Javali } 860376738afSNilesh Javali 861376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 862376738afSNilesh Javali if (is_qla40XX(ha)) 863376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 864376738afSNilesh Javali else { 865376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 866376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 867376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 868376738afSNilesh Javali */ 869376738afSNilesh Javali if (ha->port_num == 1) 870376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 871376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 872376738afSNilesh Javali } 873376738afSNilesh Javali 874376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 875376738afSNilesh Javali if (ret != QLA_SUCCESS) { 876376738afSNilesh Javali ret = -EINVAL; 877376738afSNilesh Javali goto exit_delete_chap; 878376738afSNilesh Javali } 879376738afSNilesh Javali 880376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 881376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 882376738afSNilesh Javali 883376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 884376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 885376738afSNilesh Javali goto exit_delete_chap; 886376738afSNilesh Javali } 887376738afSNilesh Javali 888376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 889376738afSNilesh Javali 890376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 891376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 892376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 893376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 894376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 895376738afSNilesh Javali mutex_lock(&ha->chap_sem); 896376738afSNilesh Javali /* Update ha chap_list cache */ 897376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 898376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 899376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 900376738afSNilesh Javali } 901376738afSNilesh Javali if (ret != QLA_SUCCESS) 902376738afSNilesh Javali ret = -EINVAL; 903376738afSNilesh Javali 904376738afSNilesh Javali exit_delete_chap: 905376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 906376738afSNilesh Javali return ret; 907376738afSNilesh Javali } 908376738afSNilesh Javali 90926ffd7b4SAdheer Chandravanshi /** 91026ffd7b4SAdheer Chandravanshi * qla4xxx_set_chap_entry - Make chap entry with given information 91126ffd7b4SAdheer Chandravanshi * @shost: pointer to host 91226ffd7b4SAdheer Chandravanshi * @data: chap info - credentials, index and type to make chap entry 91326ffd7b4SAdheer Chandravanshi * @len: length of data 91426ffd7b4SAdheer Chandravanshi * 91526ffd7b4SAdheer Chandravanshi * Add or update chap entry with the given information 91626ffd7b4SAdheer Chandravanshi **/ 91726ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) 91826ffd7b4SAdheer Chandravanshi { 91926ffd7b4SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 92026ffd7b4SAdheer Chandravanshi struct iscsi_chap_rec chap_rec; 92126ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_entry = NULL; 92226ffd7b4SAdheer Chandravanshi struct iscsi_param_info *param_info; 92326ffd7b4SAdheer Chandravanshi struct nlattr *attr; 92426ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 92526ffd7b4SAdheer Chandravanshi int type; 92626ffd7b4SAdheer Chandravanshi int rem = len; 92726ffd7b4SAdheer Chandravanshi int rc = 0; 9283c60cfd7SDan Carpenter int size; 92926ffd7b4SAdheer Chandravanshi 93026ffd7b4SAdheer Chandravanshi memset(&chap_rec, 0, sizeof(chap_rec)); 93126ffd7b4SAdheer Chandravanshi 93226ffd7b4SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 93326ffd7b4SAdheer Chandravanshi param_info = nla_data(attr); 93426ffd7b4SAdheer Chandravanshi 93526ffd7b4SAdheer Chandravanshi switch (param_info->param) { 93626ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_INDEX: 93726ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; 93826ffd7b4SAdheer Chandravanshi break; 93926ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_CHAP_TYPE: 94026ffd7b4SAdheer Chandravanshi chap_rec.chap_type = param_info->value[0]; 94126ffd7b4SAdheer Chandravanshi break; 94226ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_USERNAME: 9433c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.username), 94426ffd7b4SAdheer Chandravanshi param_info->len); 9453c60cfd7SDan Carpenter memcpy(chap_rec.username, param_info->value, size); 94626ffd7b4SAdheer Chandravanshi break; 94726ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD: 9483c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.password), 94926ffd7b4SAdheer Chandravanshi param_info->len); 9503c60cfd7SDan Carpenter memcpy(chap_rec.password, param_info->value, size); 95126ffd7b4SAdheer Chandravanshi break; 95226ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD_LEN: 95326ffd7b4SAdheer Chandravanshi chap_rec.password_length = param_info->value[0]; 95426ffd7b4SAdheer Chandravanshi break; 95526ffd7b4SAdheer Chandravanshi default: 95626ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 95726ffd7b4SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 95826ffd7b4SAdheer Chandravanshi rc = -ENOSYS; 95926ffd7b4SAdheer Chandravanshi goto exit_set_chap; 96026ffd7b4SAdheer Chandravanshi }; 96126ffd7b4SAdheer Chandravanshi } 96226ffd7b4SAdheer Chandravanshi 96326ffd7b4SAdheer Chandravanshi if (chap_rec.chap_type == CHAP_TYPE_IN) 96426ffd7b4SAdheer Chandravanshi type = BIDI_CHAP; 96526ffd7b4SAdheer Chandravanshi else 96626ffd7b4SAdheer Chandravanshi type = LOCAL_CHAP; 96726ffd7b4SAdheer Chandravanshi 96826ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 96926ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 97026ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 97126ffd7b4SAdheer Chandravanshi else 97226ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 97326ffd7b4SAdheer Chandravanshi 97426ffd7b4SAdheer Chandravanshi mutex_lock(&ha->chap_sem); 97526ffd7b4SAdheer Chandravanshi if (chap_rec.chap_tbl_idx < max_chap_entries) { 97626ffd7b4SAdheer Chandravanshi rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, 97726ffd7b4SAdheer Chandravanshi &chap_entry); 97826ffd7b4SAdheer Chandravanshi if (!rc) { 97926ffd7b4SAdheer Chandravanshi if (!(type == qla4xxx_get_chap_type(chap_entry))) { 98026ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 98126ffd7b4SAdheer Chandravanshi "Type mismatch for CHAP entry %d\n", 98226ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 98326ffd7b4SAdheer Chandravanshi rc = -EINVAL; 98426ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 98526ffd7b4SAdheer Chandravanshi } 98626ffd7b4SAdheer Chandravanshi 98726ffd7b4SAdheer Chandravanshi /* If chap index is in use then don't modify it */ 98826ffd7b4SAdheer Chandravanshi rc = qla4xxx_is_chap_active(shost, 98926ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 99026ffd7b4SAdheer Chandravanshi if (rc) { 99126ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 99226ffd7b4SAdheer Chandravanshi "CHAP entry %d is in use\n", 99326ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 99426ffd7b4SAdheer Chandravanshi rc = -EBUSY; 99526ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 99626ffd7b4SAdheer Chandravanshi } 99726ffd7b4SAdheer Chandravanshi } 99826ffd7b4SAdheer Chandravanshi } else { 99926ffd7b4SAdheer Chandravanshi rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); 100026ffd7b4SAdheer Chandravanshi if (rc) { 100126ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); 100226ffd7b4SAdheer Chandravanshi rc = -EBUSY; 100326ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 100426ffd7b4SAdheer Chandravanshi } 100526ffd7b4SAdheer Chandravanshi } 100626ffd7b4SAdheer Chandravanshi 100726ffd7b4SAdheer Chandravanshi rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, 100826ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx, type); 100926ffd7b4SAdheer Chandravanshi 101026ffd7b4SAdheer Chandravanshi exit_unlock_chap: 101126ffd7b4SAdheer Chandravanshi mutex_unlock(&ha->chap_sem); 101226ffd7b4SAdheer Chandravanshi 101326ffd7b4SAdheer Chandravanshi exit_set_chap: 101426ffd7b4SAdheer Chandravanshi return rc; 101526ffd7b4SAdheer Chandravanshi } 101626ffd7b4SAdheer Chandravanshi 10174161cee5SLalit Chandivade 10184161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) 10194161cee5SLalit Chandivade { 10204161cee5SLalit Chandivade struct scsi_qla_host *ha = to_qla_host(shost); 10214161cee5SLalit Chandivade struct iscsi_offload_host_stats *host_stats = NULL; 10224161cee5SLalit Chandivade int host_stats_size; 10234161cee5SLalit Chandivade int ret = 0; 10244161cee5SLalit Chandivade int ddb_idx = 0; 10254161cee5SLalit Chandivade struct ql_iscsi_stats *ql_iscsi_stats = NULL; 10264161cee5SLalit Chandivade int stats_size; 10274161cee5SLalit Chandivade dma_addr_t iscsi_stats_dma; 10284161cee5SLalit Chandivade 10294161cee5SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); 10304161cee5SLalit Chandivade 10314161cee5SLalit Chandivade host_stats_size = sizeof(struct iscsi_offload_host_stats); 10324161cee5SLalit Chandivade 10334161cee5SLalit Chandivade if (host_stats_size != len) { 10344161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", 10354161cee5SLalit Chandivade __func__, len, host_stats_size); 10364161cee5SLalit Chandivade ret = -EINVAL; 10374161cee5SLalit Chandivade goto exit_host_stats; 10384161cee5SLalit Chandivade } 10394161cee5SLalit Chandivade host_stats = (struct iscsi_offload_host_stats *)buf; 10404161cee5SLalit Chandivade 10414161cee5SLalit Chandivade if (!buf) { 10424161cee5SLalit Chandivade ret = -ENOMEM; 10434161cee5SLalit Chandivade goto exit_host_stats; 10444161cee5SLalit Chandivade } 10454161cee5SLalit Chandivade 10464161cee5SLalit Chandivade stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 10474161cee5SLalit Chandivade 10484161cee5SLalit Chandivade ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 10494161cee5SLalit Chandivade &iscsi_stats_dma, GFP_KERNEL); 10504161cee5SLalit Chandivade if (!ql_iscsi_stats) { 10514161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10524161cee5SLalit Chandivade "Unable to allocate memory for iscsi stats\n"); 10534161cee5SLalit Chandivade goto exit_host_stats; 10544161cee5SLalit Chandivade } 10554161cee5SLalit Chandivade 10564161cee5SLalit Chandivade ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, 10574161cee5SLalit Chandivade iscsi_stats_dma); 10584161cee5SLalit Chandivade if (ret != QLA_SUCCESS) { 10594161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10604161cee5SLalit Chandivade "Unable to retrieve iscsi stats\n"); 10614161cee5SLalit Chandivade goto exit_host_stats; 10624161cee5SLalit Chandivade } 10634161cee5SLalit Chandivade host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); 10644161cee5SLalit Chandivade host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); 10654161cee5SLalit Chandivade host_stats->mactx_multicast_frames = 10664161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); 10674161cee5SLalit Chandivade host_stats->mactx_broadcast_frames = 10684161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); 10694161cee5SLalit Chandivade host_stats->mactx_pause_frames = 10704161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); 10714161cee5SLalit Chandivade host_stats->mactx_control_frames = 10724161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); 10734161cee5SLalit Chandivade host_stats->mactx_deferral = 10744161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); 10754161cee5SLalit Chandivade host_stats->mactx_excess_deferral = 10764161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); 10774161cee5SLalit Chandivade host_stats->mactx_late_collision = 10784161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); 10794161cee5SLalit Chandivade host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); 10804161cee5SLalit Chandivade host_stats->mactx_single_collision = 10814161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); 10824161cee5SLalit Chandivade host_stats->mactx_multiple_collision = 10834161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); 10844161cee5SLalit Chandivade host_stats->mactx_collision = 10854161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_collision); 10864161cee5SLalit Chandivade host_stats->mactx_frames_dropped = 10874161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); 10884161cee5SLalit Chandivade host_stats->mactx_jumbo_frames = 10894161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); 10904161cee5SLalit Chandivade host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); 10914161cee5SLalit Chandivade host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); 10924161cee5SLalit Chandivade host_stats->macrx_unknown_control_frames = 10934161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); 10944161cee5SLalit Chandivade host_stats->macrx_pause_frames = 10954161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); 10964161cee5SLalit Chandivade host_stats->macrx_control_frames = 10974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); 10984161cee5SLalit Chandivade host_stats->macrx_dribble = 10994161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); 11004161cee5SLalit Chandivade host_stats->macrx_frame_length_error = 11014161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); 11024161cee5SLalit Chandivade host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); 11034161cee5SLalit Chandivade host_stats->macrx_carrier_sense_error = 11044161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); 11054161cee5SLalit Chandivade host_stats->macrx_frame_discarded = 11064161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); 11074161cee5SLalit Chandivade host_stats->macrx_frames_dropped = 11084161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); 11094161cee5SLalit Chandivade host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); 11104161cee5SLalit Chandivade host_stats->mac_encoding_error = 11114161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_encoding_error); 11124161cee5SLalit Chandivade host_stats->macrx_length_error_large = 11134161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); 11144161cee5SLalit Chandivade host_stats->macrx_length_error_small = 11154161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); 11164161cee5SLalit Chandivade host_stats->macrx_multicast_frames = 11174161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); 11184161cee5SLalit Chandivade host_stats->macrx_broadcast_frames = 11194161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); 11204161cee5SLalit Chandivade host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); 11214161cee5SLalit Chandivade host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); 11224161cee5SLalit Chandivade host_stats->iptx_fragments = 11234161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); 11244161cee5SLalit Chandivade host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); 11254161cee5SLalit Chandivade host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); 11264161cee5SLalit Chandivade host_stats->iprx_fragments = 11274161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); 11284161cee5SLalit Chandivade host_stats->ip_datagram_reassembly = 11294161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); 11304161cee5SLalit Chandivade host_stats->ip_invalid_address_error = 11314161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); 11324161cee5SLalit Chandivade host_stats->ip_error_packets = 11334161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_error_packets); 11344161cee5SLalit Chandivade host_stats->ip_fragrx_overlap = 11354161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); 11364161cee5SLalit Chandivade host_stats->ip_fragrx_outoforder = 11374161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); 11384161cee5SLalit Chandivade host_stats->ip_datagram_reassembly_timeout = 11394161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); 11404161cee5SLalit Chandivade host_stats->ipv6tx_packets = 11414161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); 11424161cee5SLalit Chandivade host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); 11434161cee5SLalit Chandivade host_stats->ipv6tx_fragments = 11444161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); 11454161cee5SLalit Chandivade host_stats->ipv6rx_packets = 11464161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); 11474161cee5SLalit Chandivade host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); 11484161cee5SLalit Chandivade host_stats->ipv6rx_fragments = 11494161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); 11504161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly = 11514161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); 11524161cee5SLalit Chandivade host_stats->ipv6_invalid_address_error = 11534161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); 11544161cee5SLalit Chandivade host_stats->ipv6_error_packets = 11554161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); 11564161cee5SLalit Chandivade host_stats->ipv6_fragrx_overlap = 11574161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); 11584161cee5SLalit Chandivade host_stats->ipv6_fragrx_outoforder = 11594161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); 11604161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly_timeout = 11614161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); 11624161cee5SLalit Chandivade host_stats->tcptx_segments = 11634161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); 11644161cee5SLalit Chandivade host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); 11654161cee5SLalit Chandivade host_stats->tcprx_segments = 11664161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); 11674161cee5SLalit Chandivade host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); 11684161cee5SLalit Chandivade host_stats->tcp_duplicate_ack_retx = 11694161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); 11704161cee5SLalit Chandivade host_stats->tcp_retx_timer_expired = 11714161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); 11724161cee5SLalit Chandivade host_stats->tcprx_duplicate_ack = 11734161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); 11744161cee5SLalit Chandivade host_stats->tcprx_pure_ackr = 11754161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); 11764161cee5SLalit Chandivade host_stats->tcptx_delayed_ack = 11774161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); 11784161cee5SLalit Chandivade host_stats->tcptx_pure_ack = 11794161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); 11804161cee5SLalit Chandivade host_stats->tcprx_segment_error = 11814161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); 11824161cee5SLalit Chandivade host_stats->tcprx_segment_outoforder = 11834161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); 11844161cee5SLalit Chandivade host_stats->tcprx_window_probe = 11854161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); 11864161cee5SLalit Chandivade host_stats->tcprx_window_update = 11874161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); 11884161cee5SLalit Chandivade host_stats->tcptx_window_probe_persist = 11894161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); 11904161cee5SLalit Chandivade host_stats->ecc_error_correction = 11914161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ecc_error_correction); 11924161cee5SLalit Chandivade host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); 11934161cee5SLalit Chandivade host_stats->iscsi_data_bytes_tx = 11944161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); 11954161cee5SLalit Chandivade host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); 11964161cee5SLalit Chandivade host_stats->iscsi_data_bytes_rx = 11974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); 11984161cee5SLalit Chandivade host_stats->iscsi_io_completed = 11994161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); 12004161cee5SLalit Chandivade host_stats->iscsi_unexpected_io_rx = 12014161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); 12024161cee5SLalit Chandivade host_stats->iscsi_format_error = 12034161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_format_error); 12044161cee5SLalit Chandivade host_stats->iscsi_hdr_digest_error = 12054161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); 12064161cee5SLalit Chandivade host_stats->iscsi_data_digest_error = 12074161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); 12084161cee5SLalit Chandivade host_stats->iscsi_sequence_error = 12094161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); 12104161cee5SLalit Chandivade exit_host_stats: 12114161cee5SLalit Chandivade if (ql_iscsi_stats) 12124161cee5SLalit Chandivade dma_free_coherent(&ha->pdev->dev, host_stats_size, 12134161cee5SLalit Chandivade ql_iscsi_stats, iscsi_stats_dma); 12144161cee5SLalit Chandivade 12154161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", 12164161cee5SLalit Chandivade __func__); 12174161cee5SLalit Chandivade return ret; 12184161cee5SLalit Chandivade } 12194161cee5SLalit Chandivade 1220ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 1221ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 1222ed1086e0SVikas Chaudhary int param, char *buf) 1223ed1086e0SVikas Chaudhary { 1224ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 1225ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1226f8e93412SHarish Zunjarrao int ival; 1227f8e93412SHarish Zunjarrao char *pval = NULL; 1228ed1086e0SVikas Chaudhary int len = -ENOSYS; 1229ed1086e0SVikas Chaudhary 1230f8e93412SHarish Zunjarrao if (param_type == ISCSI_NET_PARAM) { 1231ed1086e0SVikas Chaudhary switch (param) { 1232ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 1233ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 1234ed1086e0SVikas Chaudhary break; 1235ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 1236f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI4\n", 1237f8e93412SHarish Zunjarrao &ha->ip_config.subnet_mask); 1238ed1086e0SVikas Chaudhary break; 1239ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 1240ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 1241ed1086e0SVikas Chaudhary break; 1242ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 1243f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1244f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1245f8e93412SHarish Zunjarrao IPOPT_IPV4_PROTOCOL_ENABLE, pval); 1246f8e93412SHarish Zunjarrao } else { 1247f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1248f8e93412SHarish Zunjarrao IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); 1249f8e93412SHarish Zunjarrao } 1250f8e93412SHarish Zunjarrao 1251f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1252ed1086e0SVikas Chaudhary break; 1253ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1254ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 1255f8e93412SHarish Zunjarrao (ha->ip_config.tcp_options & 1256f8e93412SHarish Zunjarrao TCPOPT_DHCP_ENABLE) ? 1257ed1086e0SVikas Chaudhary "dhcp" : "static"); 1258ed1086e0SVikas Chaudhary break; 1259ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 1260ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 1261f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1262f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr0); 1263ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 1264f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1265f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr1); 1266ed1086e0SVikas Chaudhary break; 1267ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1268ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1269ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 1270ed1086e0SVikas Chaudhary break; 1271ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 1272ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1273ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 1274ed1086e0SVikas Chaudhary break; 1275ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1276f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1277ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 1278f8e93412SHarish Zunjarrao "nd" : "static"; 1279f8e93412SHarish Zunjarrao 1280f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1281ed1086e0SVikas Chaudhary break; 1282ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1283f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1284ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 1285f8e93412SHarish Zunjarrao "auto" : "static"; 1286f8e93412SHarish Zunjarrao 1287f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1288ed1086e0SVikas Chaudhary break; 12896ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 12906ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1291f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv4_vlan_tag & 1292f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1293f8e93412SHarish Zunjarrao else 1294f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv6_vlan_tag & 1295f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1296f8e93412SHarish Zunjarrao 1297f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 12986ac73e8cSVikas Chaudhary break; 12996ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 13006ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1301f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv4_vlan_tag >> 13) & 1302f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1303f8e93412SHarish Zunjarrao else 1304f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_vlan_tag >> 13) & 1305f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1306f8e93412SHarish Zunjarrao 1307f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13086ac73e8cSVikas Chaudhary break; 13096ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 1310f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1311f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1312f8e93412SHarish Zunjarrao IPOPT_VLAN_TAGGING_ENABLE, pval); 1313f8e93412SHarish Zunjarrao } else { 1314f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1315f8e93412SHarish Zunjarrao IPV6_OPT_VLAN_TAGGING_ENABLE, pval); 1316f8e93412SHarish Zunjarrao } 1317f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 13186ac73e8cSVikas Chaudhary break; 1319943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1320943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 1321943c157bSVikas Chaudhary break; 13222ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 13232ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1324f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1325f8e93412SHarish Zunjarrao ha->ip_config.ipv4_port); 1326f8e93412SHarish Zunjarrao else 1327f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1328f8e93412SHarish Zunjarrao ha->ip_config.ipv6_port); 1329f8e93412SHarish Zunjarrao break; 1330f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 1331f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1332f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1333f8e93412SHarish Zunjarrao ha->ip_config.ipv4_addr_state); 1334f8e93412SHarish Zunjarrao } else { 1335f8e93412SHarish Zunjarrao if (iface->iface_num == 0) 1336f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1337f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr0_state); 1338f8e93412SHarish Zunjarrao else if (iface->iface_num == 1) 1339f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1340f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr1_state); 1341f8e93412SHarish Zunjarrao } 1342f8e93412SHarish Zunjarrao 1343f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1344f8e93412SHarish Zunjarrao break; 1345f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 1346f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1347f8e93412SHarish Zunjarrao ha->ip_config.ipv6_link_local_state); 1348f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1349f8e93412SHarish Zunjarrao break; 1350f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 1351f8e93412SHarish Zunjarrao pval = iscsi_get_router_state_name( 1352f8e93412SHarish Zunjarrao ha->ip_config.ipv6_default_router_state); 1353f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1354f8e93412SHarish Zunjarrao break; 1355f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 1356f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1357f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1358f8e93412SHarish Zunjarrao TCPOPT_DELAYED_ACK_DISABLE, pval); 1359f8e93412SHarish Zunjarrao } else { 1360f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1361f8e93412SHarish Zunjarrao IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); 1362f8e93412SHarish Zunjarrao } 1363f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1364f8e93412SHarish Zunjarrao break; 1365f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 1366f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1367f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1368f8e93412SHarish Zunjarrao TCPOPT_NAGLE_ALGO_DISABLE, pval); 1369f8e93412SHarish Zunjarrao } else { 1370f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1371f8e93412SHarish Zunjarrao IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); 1372f8e93412SHarish Zunjarrao } 1373f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1374f8e93412SHarish Zunjarrao break; 1375f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 1376f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1377f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1378f8e93412SHarish Zunjarrao TCPOPT_WINDOW_SCALE_DISABLE, pval); 1379f8e93412SHarish Zunjarrao } else { 1380f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1381f8e93412SHarish Zunjarrao IPV6_TCPOPT_WINDOW_SCALE_DISABLE, 1382f8e93412SHarish Zunjarrao pval); 1383f8e93412SHarish Zunjarrao } 1384f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1385f8e93412SHarish Zunjarrao break; 1386f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 1387f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1388f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1389f8e93412SHarish Zunjarrao ha->ip_config.tcp_wsf); 1390f8e93412SHarish Zunjarrao else 1391f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1392f8e93412SHarish Zunjarrao ha->ip_config.ipv6_tcp_wsf); 1393f8e93412SHarish Zunjarrao break; 1394f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 1395f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1396f8e93412SHarish Zunjarrao ival = (ha->ip_config.tcp_options & 1397f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE) >> 1; 1398f8e93412SHarish Zunjarrao else 1399f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_tcp_options & 1400f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE) >> 1; 1401f8e93412SHarish Zunjarrao 1402f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 1403f8e93412SHarish Zunjarrao break; 1404f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 1405f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1406f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1407f8e93412SHarish Zunjarrao TCPOPT_TIMESTAMP_ENABLE, pval); 1408f8e93412SHarish Zunjarrao } else { 1409f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_tcp_options, 1410f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMESTAMP_EN, pval); 1411f8e93412SHarish Zunjarrao } 1412f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1413f8e93412SHarish Zunjarrao break; 1414f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 1415f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1416f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1417f8e93412SHarish Zunjarrao ha->ip_config.ipv4_cache_id); 1418f8e93412SHarish Zunjarrao else 1419f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1420f8e93412SHarish Zunjarrao ha->ip_config.ipv6_cache_id); 1421f8e93412SHarish Zunjarrao break; 1422f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 1423f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1424f8e93412SHarish Zunjarrao TCPOPT_DNS_SERVER_IP_EN, pval); 1425f8e93412SHarish Zunjarrao 1426f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1427f8e93412SHarish Zunjarrao break; 1428f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 1429f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1430f8e93412SHarish Zunjarrao TCPOPT_SLP_DA_INFO_EN, pval); 1431f8e93412SHarish Zunjarrao 1432f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1433f8e93412SHarish Zunjarrao break; 1434f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 1435f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1436f8e93412SHarish Zunjarrao IPOPT_IPV4_TOS_EN, pval); 1437f8e93412SHarish Zunjarrao 1438f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1439f8e93412SHarish Zunjarrao break; 1440f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 1441f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); 1442f8e93412SHarish Zunjarrao break; 1443f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 1444f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1445f8e93412SHarish Zunjarrao IPOPT_GRAT_ARP_EN, pval); 1446f8e93412SHarish Zunjarrao 1447f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1448f8e93412SHarish Zunjarrao break; 1449f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 1450f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, 1451f8e93412SHarish Zunjarrao pval); 1452f8e93412SHarish Zunjarrao 1453f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1454f8e93412SHarish Zunjarrao break; 1455f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 1456f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_alt_cid_len) ? 1457f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_alt_cid : ""; 1458f8e93412SHarish Zunjarrao 1459f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1460f8e93412SHarish Zunjarrao break; 1461f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 1462f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1463f8e93412SHarish Zunjarrao IPOPT_REQ_VID_EN, pval); 1464f8e93412SHarish Zunjarrao 1465f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1466f8e93412SHarish Zunjarrao break; 1467f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 1468f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1469f8e93412SHarish Zunjarrao IPOPT_USE_VID_EN, pval); 1470f8e93412SHarish Zunjarrao 1471f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1472f8e93412SHarish Zunjarrao break; 1473f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 1474f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_vid_len) ? 1475f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_vid : ""; 1476f8e93412SHarish Zunjarrao 1477f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1478f8e93412SHarish Zunjarrao break; 1479f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 1480f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1481f8e93412SHarish Zunjarrao IPOPT_LEARN_IQN_EN, pval); 1482f8e93412SHarish Zunjarrao 1483f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1484f8e93412SHarish Zunjarrao break; 1485f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 1486f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv4_options, 1487f8e93412SHarish Zunjarrao IPOPT_FRAGMENTATION_DISABLE, pval); 1488f8e93412SHarish Zunjarrao 1489f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1490f8e93412SHarish Zunjarrao break; 1491f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 1492f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1493f8e93412SHarish Zunjarrao IPOPT_IN_FORWARD_EN, pval); 1494f8e93412SHarish Zunjarrao 1495f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1496f8e93412SHarish Zunjarrao break; 1497f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 1498f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1499f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1500f8e93412SHarish Zunjarrao IPOPT_ARP_REDIRECT_EN, pval); 1501f8e93412SHarish Zunjarrao } else { 1502f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1503f8e93412SHarish Zunjarrao IPV6_OPT_REDIRECT_EN, pval); 1504f8e93412SHarish Zunjarrao } 1505f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1506f8e93412SHarish Zunjarrao break; 1507f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 1508f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); 1509f8e93412SHarish Zunjarrao break; 1510f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 1511f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1512f8e93412SHarish Zunjarrao IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); 1513f8e93412SHarish Zunjarrao 1514f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1515f8e93412SHarish Zunjarrao break; 1516f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 1517f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_addl_options, 1518f8e93412SHarish Zunjarrao IPV6_ADDOPT_MLD_EN, pval); 1519f8e93412SHarish Zunjarrao 1520f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1521f8e93412SHarish Zunjarrao break; 1522f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 1523f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); 1524f8e93412SHarish Zunjarrao break; 1525f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 1526f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1527f8e93412SHarish Zunjarrao ha->ip_config.ipv6_traffic_class); 1528f8e93412SHarish Zunjarrao break; 1529f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 1530f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1531f8e93412SHarish Zunjarrao ha->ip_config.ipv6_hop_limit); 1532f8e93412SHarish Zunjarrao break; 1533f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 1534f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1535f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_reach_time); 1536f8e93412SHarish Zunjarrao break; 1537f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 1538f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1539f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_rexmit_timer); 1540f8e93412SHarish Zunjarrao break; 1541f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 1542f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1543f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_stale_timeout); 1544f8e93412SHarish Zunjarrao break; 1545f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 1546f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1547f8e93412SHarish Zunjarrao ha->ip_config.ipv6_dup_addr_detect_count); 1548f8e93412SHarish Zunjarrao break; 1549f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 1550f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1551f8e93412SHarish Zunjarrao ha->ip_config.ipv6_gw_advrt_mtu); 15522ada7fc5SVikas Chaudhary break; 1553ed1086e0SVikas Chaudhary default: 1554ed1086e0SVikas Chaudhary len = -ENOSYS; 1555ed1086e0SVikas Chaudhary } 1556f8e93412SHarish Zunjarrao } else if (param_type == ISCSI_IFACE_PARAM) { 1557f8e93412SHarish Zunjarrao switch (param) { 1558f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 1559f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); 1560f8e93412SHarish Zunjarrao break; 1561f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 1562f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1563f8e93412SHarish Zunjarrao ISCSIOPTS_HEADER_DIGEST_EN, pval); 1564f8e93412SHarish Zunjarrao 1565f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1566f8e93412SHarish Zunjarrao break; 1567f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 1568f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1569f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_DIGEST_EN, pval); 1570f8e93412SHarish Zunjarrao 1571f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1572f8e93412SHarish Zunjarrao break; 1573f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 1574f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1575f8e93412SHarish Zunjarrao ISCSIOPTS_IMMEDIATE_DATA_EN, pval); 1576f8e93412SHarish Zunjarrao 1577f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1578f8e93412SHarish Zunjarrao break; 1579f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 1580f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1581f8e93412SHarish Zunjarrao ISCSIOPTS_INITIAL_R2T_EN, pval); 1582f8e93412SHarish Zunjarrao 1583f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1584f8e93412SHarish Zunjarrao break; 1585f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 1586f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1587f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); 1588f8e93412SHarish Zunjarrao 1589f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1590f8e93412SHarish Zunjarrao break; 1591f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 1592f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1593f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_PDU_INORDER_EN, pval); 1594f8e93412SHarish Zunjarrao 1595f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1596f8e93412SHarish Zunjarrao break; 1597f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 1598f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1599f8e93412SHarish Zunjarrao (ha->ip_config.iscsi_options & 1600f8e93412SHarish Zunjarrao ISCSIOPTS_ERL)); 1601f8e93412SHarish Zunjarrao break; 1602f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 1603f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1604f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_pdu_size * 1605f8e93412SHarish Zunjarrao BYTE_UNITS); 1606f8e93412SHarish Zunjarrao break; 1607f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 1608f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1609f8e93412SHarish Zunjarrao ha->ip_config.iscsi_first_burst_len * 1610f8e93412SHarish Zunjarrao BYTE_UNITS); 1611f8e93412SHarish Zunjarrao break; 1612f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 1613f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1614f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_outstnd_r2t); 1615f8e93412SHarish Zunjarrao break; 1616f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 1617f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1618f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_burst_len * 1619f8e93412SHarish Zunjarrao BYTE_UNITS); 1620f8e93412SHarish Zunjarrao break; 1621f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 1622f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1623f8e93412SHarish Zunjarrao ISCSIOPTS_CHAP_AUTH_EN, pval); 1624f8e93412SHarish Zunjarrao 1625f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1626f8e93412SHarish Zunjarrao break; 1627f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 1628f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1629f8e93412SHarish Zunjarrao ISCSIOPTS_BIDI_CHAP_EN, pval); 1630f8e93412SHarish Zunjarrao 1631f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1632f8e93412SHarish Zunjarrao break; 1633f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 1634f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1635f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_AUTH_EN, pval); 1636f8e93412SHarish Zunjarrao 1637f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1638f8e93412SHarish Zunjarrao break; 1639f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 1640f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1641f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); 1642f8e93412SHarish Zunjarrao 1643f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1644f8e93412SHarish Zunjarrao break; 1645f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 1646f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1647f8e93412SHarish Zunjarrao ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); 1648f8e93412SHarish Zunjarrao 1649f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1650f8e93412SHarish Zunjarrao break; 1651f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 1652f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); 1653f8e93412SHarish Zunjarrao break; 1654f8e93412SHarish Zunjarrao default: 1655f8e93412SHarish Zunjarrao len = -ENOSYS; 1656f8e93412SHarish Zunjarrao } 1657f8e93412SHarish Zunjarrao } 1658ed1086e0SVikas Chaudhary 1659ed1086e0SVikas Chaudhary return len; 1660ed1086e0SVikas Chaudhary } 1661ed1086e0SVikas Chaudhary 1662b3a271a9SManish Rangankar static struct iscsi_endpoint * 1663b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 1664b3a271a9SManish Rangankar int non_blocking) 1665b3a271a9SManish Rangankar { 1666b3a271a9SManish Rangankar int ret; 1667b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1668b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1669b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1670b3a271a9SManish Rangankar struct sockaddr_in *addr; 1671b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 1672b3a271a9SManish Rangankar 1673b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1674b3a271a9SManish Rangankar if (!shost) { 1675b3a271a9SManish Rangankar ret = -ENXIO; 1676b3a271a9SManish Rangankar printk(KERN_ERR "%s: shost is NULL\n", 1677b3a271a9SManish Rangankar __func__); 1678b3a271a9SManish Rangankar return ERR_PTR(ret); 1679b3a271a9SManish Rangankar } 1680b3a271a9SManish Rangankar 1681b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 1682b3a271a9SManish Rangankar 1683b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 1684b3a271a9SManish Rangankar if (!ep) { 1685b3a271a9SManish Rangankar ret = -ENOMEM; 1686b3a271a9SManish Rangankar return ERR_PTR(ret); 1687b3a271a9SManish Rangankar } 1688b3a271a9SManish Rangankar 1689b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1690b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 1691b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 1692b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 1693b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 1694b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 1695b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 1696b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 1697b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 1698b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 1699b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 1700b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 1701b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 1702b3a271a9SManish Rangankar } 1703b3a271a9SManish Rangankar 1704b3a271a9SManish Rangankar qla_ep->host = shost; 1705b3a271a9SManish Rangankar 1706b3a271a9SManish Rangankar return ep; 1707b3a271a9SManish Rangankar } 1708b3a271a9SManish Rangankar 1709b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 1710b3a271a9SManish Rangankar { 1711b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1712b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1713b3a271a9SManish Rangankar int ret = 0; 1714b3a271a9SManish Rangankar 1715b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1716b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1717b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1718b3a271a9SManish Rangankar 171913483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 1720b3a271a9SManish Rangankar ret = 1; 1721b3a271a9SManish Rangankar 1722b3a271a9SManish Rangankar return ret; 1723b3a271a9SManish Rangankar } 1724b3a271a9SManish Rangankar 1725b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 1726b3a271a9SManish Rangankar { 1727b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1728b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 1729b3a271a9SManish Rangankar } 1730b3a271a9SManish Rangankar 1731b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 1732b3a271a9SManish Rangankar enum iscsi_param param, 1733b3a271a9SManish Rangankar char *buf) 1734b3a271a9SManish Rangankar { 1735b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 1736b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1737b3a271a9SManish Rangankar 1738b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1739b3a271a9SManish Rangankar 1740b3a271a9SManish Rangankar switch (param) { 1741b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 1742b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 1743b3a271a9SManish Rangankar if (!qla_ep) 1744b3a271a9SManish Rangankar return -ENOTCONN; 1745b3a271a9SManish Rangankar 1746b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1747b3a271a9SManish Rangankar if (!dst_addr) 1748b3a271a9SManish Rangankar return -ENOTCONN; 1749b3a271a9SManish Rangankar 1750b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1751b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 1752b3a271a9SManish Rangankar default: 1753b3a271a9SManish Rangankar return -ENOSYS; 1754b3a271a9SManish Rangankar } 1755b3a271a9SManish Rangankar } 1756b3a271a9SManish Rangankar 1757b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 1758b3a271a9SManish Rangankar struct iscsi_stats *stats) 1759b3a271a9SManish Rangankar { 1760b3a271a9SManish Rangankar struct iscsi_session *sess; 1761b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1762b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1763b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1764b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 1765b3a271a9SManish Rangankar int stats_size; 1766b3a271a9SManish Rangankar int ret; 1767b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 1768b3a271a9SManish Rangankar 1769b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1770b3a271a9SManish Rangankar 1771b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 1772b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1773b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1774b3a271a9SManish Rangankar ha = ddb_entry->ha; 1775b3a271a9SManish Rangankar 1776b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 1777b3a271a9SManish Rangankar /* Allocate memory */ 1778b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 1779b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 1780b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 1781b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1782b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 1783b3a271a9SManish Rangankar goto exit_get_stats; 1784b3a271a9SManish Rangankar } 1785b3a271a9SManish Rangankar 1786b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 1787b3a271a9SManish Rangankar iscsi_stats_dma); 1788b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 1789b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 179059e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 1791b3a271a9SManish Rangankar goto free_stats; 1792b3a271a9SManish Rangankar } 1793b3a271a9SManish Rangankar 1794b3a271a9SManish Rangankar /* octets */ 1795b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 1796b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 1797b3a271a9SManish Rangankar /* xmit pdus */ 1798b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 1799b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 1800b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 1801b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 1802b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 1803b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 1804b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 1805b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 1806b3a271a9SManish Rangankar /* recv pdus */ 1807b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 1808b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 1809b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 1810b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 1811b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 1812b3a271a9SManish Rangankar stats->logoutrsp_pdus = 1813b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 1814b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 1815b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 1816b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 1817b3a271a9SManish Rangankar 1818b3a271a9SManish Rangankar free_stats: 1819b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 1820b3a271a9SManish Rangankar iscsi_stats_dma); 1821b3a271a9SManish Rangankar exit_get_stats: 1822b3a271a9SManish Rangankar return; 1823b3a271a9SManish Rangankar } 1824b3a271a9SManish Rangankar 18255c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 18265c656af7SMike Christie { 18275c656af7SMike Christie struct iscsi_cls_session *session; 1828b3a271a9SManish Rangankar struct iscsi_session *sess; 1829b3a271a9SManish Rangankar unsigned long flags; 1830b3a271a9SManish Rangankar enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; 18315c656af7SMike Christie 18325c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 1833b3a271a9SManish Rangankar sess = session->dd_data; 18345c656af7SMike Christie 1835b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 1836b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 1837b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 1838b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 18395c656af7SMike Christie 1840b3a271a9SManish Rangankar return ret; 1841568d303bSMike Christie } 1842afaf5a2dSDavid Somayajulu 18433254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 18443254dbe9SVikas Chaudhary { 18453254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1846e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18473254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 18483254dbe9SVikas Chaudhary 18493254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 18503254dbe9SVikas Chaudhary 18513254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 18523254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 18533254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 18543254dbe9SVikas Chaudhary break; 18553254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 18563254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 18573254dbe9SVikas Chaudhary break; 18583254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 18593254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 18603254dbe9SVikas Chaudhary break; 18613254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 18623254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 18633254dbe9SVikas Chaudhary break; 18643254dbe9SVikas Chaudhary } 18653254dbe9SVikas Chaudhary ihost->port_speed = speed; 18663254dbe9SVikas Chaudhary } 18673254dbe9SVikas Chaudhary 18683254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 18693254dbe9SVikas Chaudhary { 18703254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1871e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18723254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 18733254dbe9SVikas Chaudhary 18743254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 18753254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 18763254dbe9SVikas Chaudhary 18773254dbe9SVikas Chaudhary ihost->port_state = state; 18783254dbe9SVikas Chaudhary } 18793254dbe9SVikas Chaudhary 1880aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 1881aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 1882aa1e93a2SMike Christie { 1883aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1884aa1e93a2SMike Christie int len; 1885aa1e93a2SMike Christie 1886aa1e93a2SMike Christie switch (param) { 1887aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 18887ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 1889aa1e93a2SMike Christie break; 189022236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 18912bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 189222236961SMike Christie break; 18938ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 189422236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 18958ad5781aSMike Christie break; 18963254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 18973254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 18983254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 18993254dbe9SVikas Chaudhary break; 19003254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 19013254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 19023254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 19033254dbe9SVikas Chaudhary break; 1904aa1e93a2SMike Christie default: 1905aa1e93a2SMike Christie return -ENOSYS; 1906aa1e93a2SMike Christie } 1907aa1e93a2SMike Christie 1908aa1e93a2SMike Christie return len; 1909aa1e93a2SMike Christie } 1910aa1e93a2SMike Christie 1911ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1912ed1086e0SVikas Chaudhary { 1913ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1914ed1086e0SVikas Chaudhary return; 1915ed1086e0SVikas Chaudhary 1916ed1086e0SVikas Chaudhary /* IPv4 */ 1917ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1918ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1919ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1920ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1921ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1922ed1086e0SVikas Chaudhary "iface0.\n"); 1923ed1086e0SVikas Chaudhary } 1924ed1086e0SVikas Chaudhary 1925ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1926ed1086e0SVikas Chaudhary { 1927ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1928ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1929ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1930ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1931ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1932ed1086e0SVikas Chaudhary 0); 1933ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1934ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1935ed1086e0SVikas Chaudhary "iface0.\n"); 1936ed1086e0SVikas Chaudhary 1937ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1938ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1939ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1940ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1941ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1942ed1086e0SVikas Chaudhary 0); 1943ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1944ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1945ed1086e0SVikas Chaudhary "iface1.\n"); 1946ed1086e0SVikas Chaudhary } 1947ed1086e0SVikas Chaudhary 1948ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1949ed1086e0SVikas Chaudhary { 1950ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 1951ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1952ed1086e0SVikas Chaudhary 1953ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 1954ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1955ed1086e0SVikas Chaudhary } 1956ed1086e0SVikas Chaudhary 1957ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 1958ed1086e0SVikas Chaudhary { 1959ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 1960ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 1961ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 1962ed1086e0SVikas Chaudhary } 1963ed1086e0SVikas Chaudhary } 1964ed1086e0SVikas Chaudhary 1965ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 1966ed1086e0SVikas Chaudhary { 1967ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 1968ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 1969ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 1970ed1086e0SVikas Chaudhary } 1971ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 1972ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 1973ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 1974ed1086e0SVikas Chaudhary } 1975ed1086e0SVikas Chaudhary } 1976ed1086e0SVikas Chaudhary 1977ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 1978ed1086e0SVikas Chaudhary { 1979ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 1980ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 1981ed1086e0SVikas Chaudhary } 1982ed1086e0SVikas Chaudhary 1983d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 1984d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1985d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1986d00efe3fSMike Christie { 1987d00efe3fSMike Christie /* 1988d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 1989d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 1990d00efe3fSMike Christie */ 1991d00efe3fSMike Christie switch (iface_param->param) { 1992d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 1993d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1994d00efe3fSMike Christie /* IPv6 Addr 1 */ 1995d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 1996d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 1997d00efe3fSMike Christie else 1998d00efe3fSMike Christie /* IPv6 Addr 0 */ 1999d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 2000d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 2001d00efe3fSMike Christie break; 2002d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 2003d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2004d00efe3fSMike Christie break; 2005d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 2006d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 2007d00efe3fSMike Christie break; 2008d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 2009d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2010d00efe3fSMike Christie break; 2011d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 2012d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2013d00efe3fSMike Christie break; 2014d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 2015d00efe3fSMike Christie /* Autocfg applies to even interface */ 2016d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2017d00efe3fSMike Christie break; 2018d00efe3fSMike Christie 2019d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 2020d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 2021d00efe3fSMike Christie cpu_to_le16( 2022d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2023d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 2024d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 2025d00efe3fSMike Christie cpu_to_le16( 2026d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2027d00efe3fSMike Christie else 2028f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2029f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 addr\n"); 2030d00efe3fSMike Christie break; 2031d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 2032d00efe3fSMike Christie /* Autocfg applies to even interface */ 2033d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2034d00efe3fSMike Christie break; 2035d00efe3fSMike Christie 2036d00efe3fSMike Christie if (iface_param->value[0] == 2037d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 2038d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 2039d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2040d00efe3fSMike Christie else if (iface_param->value[0] == 2041d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 2042d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 2043d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2044d00efe3fSMike Christie else 2045f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2046f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 linklocal addr\n"); 2047d00efe3fSMike Christie break; 2048d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 2049d00efe3fSMike Christie /* Autocfg applies to even interface */ 2050d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2051d00efe3fSMike Christie break; 2052d00efe3fSMike Christie 2053d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 2054d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 2055d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2056d00efe3fSMike Christie break; 2057d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2058ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2059d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 2060d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 2061ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 2062ed1086e0SVikas Chaudhary } else { 2063d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 2064d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 2065d00efe3fSMike Christie 0xFFFF); 2066ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2067ed1086e0SVikas Chaudhary } 2068d00efe3fSMike Christie break; 20692d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2070d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 2071d00efe3fSMike Christie break; 20726ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 20736ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 20746ac73e8cSVikas Chaudhary break; 20756ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 20766ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 20776ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 20786ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 20796ac73e8cSVikas Chaudhary else 20806ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 20816ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 2082d00efe3fSMike Christie break; 2083943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2084943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2085943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2086943c157bSVikas Chaudhary break; 20872ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 20882ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 20892ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 20902ada7fc5SVikas Chaudhary break; 20912ada7fc5SVikas Chaudhary 20922ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 20932ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 20942ada7fc5SVikas Chaudhary break; 2095f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2096f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2097f8e93412SHarish Zunjarrao break; 2098f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2099f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2100f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); 2101f8e93412SHarish Zunjarrao else 2102f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2103f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE); 2104f8e93412SHarish Zunjarrao break; 2105f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2106f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2107f8e93412SHarish Zunjarrao break; 2108f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2109f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2110f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2111f8e93412SHarish Zunjarrao else 2112f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2113f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2114f8e93412SHarish Zunjarrao break; 2115f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2116f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2117f8e93412SHarish Zunjarrao break; 2118f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2119f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2120f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2121f8e93412SHarish Zunjarrao else 2122f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2123f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2124f8e93412SHarish Zunjarrao break; 2125f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2126f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2127f8e93412SHarish Zunjarrao break; 2128f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; 2129f8e93412SHarish Zunjarrao break; 2130f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2131f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2132f8e93412SHarish Zunjarrao break; 2133f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2134f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); 2135f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2136f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2137f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE); 2138f8e93412SHarish Zunjarrao break; 2139f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2140f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2141f8e93412SHarish Zunjarrao break; 2142f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2143f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2144f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); 2145f8e93412SHarish Zunjarrao else 2146f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2147f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); 2148f8e93412SHarish Zunjarrao break; 2149f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 2150f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2151f8e93412SHarish Zunjarrao break; 2152f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2153f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2154f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2155f8e93412SHarish Zunjarrao else 2156f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2157f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2158f8e93412SHarish Zunjarrao break; 2159f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2160f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2161f8e93412SHarish Zunjarrao break; 2162f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2163f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2164f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_REDIRECT_EN); 2165f8e93412SHarish Zunjarrao else 2166f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2167f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_REDIRECT_EN); 2168f8e93412SHarish Zunjarrao break; 2169f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 2170f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2171f8e93412SHarish Zunjarrao break; 2172f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2173f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts |= 2174f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_ADDOPT_MLD_EN); 2175f8e93412SHarish Zunjarrao else 2176f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts &= 2177f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_ADDOPT_MLD_EN); 2178f8e93412SHarish Zunjarrao break; 2179f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 2180f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2181f8e93412SHarish Zunjarrao break; 2182f8e93412SHarish Zunjarrao init_fw_cb->ipv6_flow_lbl = 2183f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2184f8e93412SHarish Zunjarrao break; 2185f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 2186f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2187f8e93412SHarish Zunjarrao break; 2188f8e93412SHarish Zunjarrao init_fw_cb->ipv6_traffic_class = iface_param->value[0]; 2189f8e93412SHarish Zunjarrao break; 2190f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 2191f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2192f8e93412SHarish Zunjarrao break; 2193f8e93412SHarish Zunjarrao init_fw_cb->ipv6_hop_limit = iface_param->value[0]; 2194f8e93412SHarish Zunjarrao break; 2195f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 2196f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2197f8e93412SHarish Zunjarrao break; 2198f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_reach_time = 2199f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2200f8e93412SHarish Zunjarrao break; 2201f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 2202f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2203f8e93412SHarish Zunjarrao break; 2204f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_rexmit_timer = 2205f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2206f8e93412SHarish Zunjarrao break; 2207f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 2208f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2209f8e93412SHarish Zunjarrao break; 2210f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_stale_timeout = 2211f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2212f8e93412SHarish Zunjarrao break; 2213f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 2214f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2215f8e93412SHarish Zunjarrao break; 2216f8e93412SHarish Zunjarrao init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; 2217f8e93412SHarish Zunjarrao break; 2218f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 2219f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2220f8e93412SHarish Zunjarrao break; 2221f8e93412SHarish Zunjarrao init_fw_cb->ipv6_gw_advrt_mtu = 2222f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2223f8e93412SHarish Zunjarrao break; 2224d00efe3fSMike Christie default: 2225d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 2226d00efe3fSMike Christie iface_param->param); 2227d00efe3fSMike Christie break; 2228d00efe3fSMike Christie } 2229d00efe3fSMike Christie } 2230d00efe3fSMike Christie 2231d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 2232d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2233d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2234d00efe3fSMike Christie { 2235d00efe3fSMike Christie switch (iface_param->param) { 2236d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 2237d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 2238d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 2239d00efe3fSMike Christie break; 2240d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 2241d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 2242d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 2243d00efe3fSMike Christie break; 2244d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 2245d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 2246d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 2247d00efe3fSMike Christie break; 2248d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 2249d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 2250d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 2251d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 2252d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 2253d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 2254d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 2255d00efe3fSMike Christie else 2256d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 2257d00efe3fSMike Christie break; 2258d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2259ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2260d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 22612bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 2262ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 2263ed1086e0SVikas Chaudhary } else { 2264d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 22652bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 2266d00efe3fSMike Christie 0xFFFF); 2267ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2268ed1086e0SVikas Chaudhary } 2269d00efe3fSMike Christie break; 22702d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2271d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 2272d00efe3fSMike Christie break; 22736ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 22746ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 22756ac73e8cSVikas Chaudhary break; 22766ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 22776ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 22786ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 22796ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 22806ac73e8cSVikas Chaudhary else 22816ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 22826ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 2283d00efe3fSMike Christie break; 2284943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2285943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2286943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2287943c157bSVikas Chaudhary break; 22882ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 22892ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 22902ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 22912ada7fc5SVikas Chaudhary break; 2292f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2293f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2294f8e93412SHarish Zunjarrao break; 2295f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2296f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2297f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); 2298f8e93412SHarish Zunjarrao else 2299f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2300f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE); 2301f8e93412SHarish Zunjarrao break; 2302f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2303f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2304f8e93412SHarish Zunjarrao break; 2305f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2306f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2307f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); 2308f8e93412SHarish Zunjarrao else 2309f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2310f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); 2311f8e93412SHarish Zunjarrao break; 2312f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2313f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2314f8e93412SHarish Zunjarrao break; 2315f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2316f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2317f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); 2318f8e93412SHarish Zunjarrao else 2319f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2320f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); 2321f8e93412SHarish Zunjarrao break; 2322f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2323f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2324f8e93412SHarish Zunjarrao break; 2325f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; 2326f8e93412SHarish Zunjarrao break; 2327f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2328f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2329f8e93412SHarish Zunjarrao break; 2330f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); 2331f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2332f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2333f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE); 2334f8e93412SHarish Zunjarrao break; 2335f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2336f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2337f8e93412SHarish Zunjarrao break; 2338f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2339f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2340f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); 2341f8e93412SHarish Zunjarrao else 2342f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2343f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); 2344f8e93412SHarish Zunjarrao break; 2345f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 2346f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2347f8e93412SHarish Zunjarrao break; 2348f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2349f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2350f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); 2351f8e93412SHarish Zunjarrao else 2352f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2353f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); 2354f8e93412SHarish Zunjarrao break; 2355f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 2356f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2357f8e93412SHarish Zunjarrao break; 2358f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2359f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2360f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); 2361f8e93412SHarish Zunjarrao else 2362f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2363f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); 2364f8e93412SHarish Zunjarrao break; 2365f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 2366f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2367f8e93412SHarish Zunjarrao break; 2368f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2369f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2370f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IPV4_TOS_EN); 2371f8e93412SHarish Zunjarrao else 2372f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2373f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IPV4_TOS_EN); 2374f8e93412SHarish Zunjarrao break; 2375f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 2376f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2377f8e93412SHarish Zunjarrao break; 2378f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tos = iface_param->value[0]; 2379f8e93412SHarish Zunjarrao break; 2380f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 2381f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2382f8e93412SHarish Zunjarrao break; 2383f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2384f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2385f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_GRAT_ARP_EN); 2386f8e93412SHarish Zunjarrao else 2387f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2388f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_GRAT_ARP_EN); 2389f8e93412SHarish Zunjarrao break; 2390f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 2391f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2392f8e93412SHarish Zunjarrao break; 2393f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2394f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2395f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ALT_CID_EN); 2396f8e93412SHarish Zunjarrao else 2397f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2398f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ALT_CID_EN); 2399f8e93412SHarish Zunjarrao break; 2400f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 2401f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2402f8e93412SHarish Zunjarrao break; 2403f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, 2404f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); 2405f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_alt_cid_len = 2406f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_alt_cid); 2407f8e93412SHarish Zunjarrao break; 2408f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 2409f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2410f8e93412SHarish Zunjarrao break; 2411f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2412f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2413f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_REQ_VID_EN); 2414f8e93412SHarish Zunjarrao else 2415f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2416f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_REQ_VID_EN); 2417f8e93412SHarish Zunjarrao break; 2418f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 2419f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2420f8e93412SHarish Zunjarrao break; 2421f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2422f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2423f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_USE_VID_EN); 2424f8e93412SHarish Zunjarrao else 2425f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2426f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_USE_VID_EN); 2427f8e93412SHarish Zunjarrao break; 2428f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 2429f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2430f8e93412SHarish Zunjarrao break; 2431f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, 2432f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); 2433f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_vid_len = 2434f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_vid); 2435f8e93412SHarish Zunjarrao break; 2436f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 2437f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2438f8e93412SHarish Zunjarrao break; 2439f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2440f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2441f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_LEARN_IQN_EN); 2442f8e93412SHarish Zunjarrao else 2443f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2444f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_LEARN_IQN_EN); 2445f8e93412SHarish Zunjarrao break; 2446f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 2447f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2448f8e93412SHarish Zunjarrao break; 2449f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2450f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2451f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); 2452f8e93412SHarish Zunjarrao else 2453f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2454f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); 2455f8e93412SHarish Zunjarrao break; 2456f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 2457f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2458f8e93412SHarish Zunjarrao break; 2459f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2460f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2461f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IN_FORWARD_EN); 2462f8e93412SHarish Zunjarrao else 2463f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2464f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IN_FORWARD_EN); 2465f8e93412SHarish Zunjarrao break; 2466f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2467f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2468f8e93412SHarish Zunjarrao break; 2469f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2470f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2471f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ARP_REDIRECT_EN); 2472f8e93412SHarish Zunjarrao else 2473f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2474f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); 2475f8e93412SHarish Zunjarrao break; 2476f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 2477f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2478f8e93412SHarish Zunjarrao break; 2479f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ttl = iface_param->value[0]; 2480f8e93412SHarish Zunjarrao break; 2481d00efe3fSMike Christie default: 2482d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 2483d00efe3fSMike Christie iface_param->param); 2484d00efe3fSMike Christie break; 2485d00efe3fSMike Christie } 2486d00efe3fSMike Christie } 2487d00efe3fSMike Christie 2488f8e93412SHarish Zunjarrao static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, 2489f8e93412SHarish Zunjarrao struct iscsi_iface_param_info *iface_param, 2490f8e93412SHarish Zunjarrao struct addr_ctrl_blk *init_fw_cb) 2491f8e93412SHarish Zunjarrao { 2492f8e93412SHarish Zunjarrao switch (iface_param->param) { 2493f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 2494f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2495f8e93412SHarish Zunjarrao break; 2496f8e93412SHarish Zunjarrao init_fw_cb->def_timeout = 2497f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2498f8e93412SHarish Zunjarrao break; 2499f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 2500f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2501f8e93412SHarish Zunjarrao break; 2502f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2503f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2504f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); 2505f8e93412SHarish Zunjarrao else 2506f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2507f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); 2508f8e93412SHarish Zunjarrao break; 2509f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 2510f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2511f8e93412SHarish Zunjarrao break; 2512f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2513f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2514f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); 2515f8e93412SHarish Zunjarrao else 2516f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2517f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); 2518f8e93412SHarish Zunjarrao break; 2519f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 2520f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2521f8e93412SHarish Zunjarrao break; 2522f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2523f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2524f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); 2525f8e93412SHarish Zunjarrao else 2526f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2527f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); 2528f8e93412SHarish Zunjarrao break; 2529f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 2530f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2531f8e93412SHarish Zunjarrao break; 2532f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2533f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2534f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); 2535f8e93412SHarish Zunjarrao else 2536f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2537f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); 2538f8e93412SHarish Zunjarrao break; 2539f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 2540f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2541f8e93412SHarish Zunjarrao break; 2542f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2543f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2544f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); 2545f8e93412SHarish Zunjarrao else 2546f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2547f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); 2548f8e93412SHarish Zunjarrao break; 2549f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 2550f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2551f8e93412SHarish Zunjarrao break; 2552f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2553f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2554f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); 2555f8e93412SHarish Zunjarrao else 2556f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2557f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); 2558f8e93412SHarish Zunjarrao break; 2559f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 2560f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2561f8e93412SHarish Zunjarrao break; 2562f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); 2563f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & 2564f8e93412SHarish Zunjarrao ISCSIOPTS_ERL); 2565f8e93412SHarish Zunjarrao break; 2566f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 2567f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2568f8e93412SHarish Zunjarrao break; 2569f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_pdu_size = 2570f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2571f8e93412SHarish Zunjarrao BYTE_UNITS; 2572f8e93412SHarish Zunjarrao break; 2573f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 2574f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2575f8e93412SHarish Zunjarrao break; 2576f8e93412SHarish Zunjarrao init_fw_cb->iscsi_fburst_len = 2577f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2578f8e93412SHarish Zunjarrao BYTE_UNITS; 2579f8e93412SHarish Zunjarrao break; 2580f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 2581f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2582f8e93412SHarish Zunjarrao break; 2583f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_outstnd_r2t = 2584f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2585f8e93412SHarish Zunjarrao break; 2586f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 2587f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2588f8e93412SHarish Zunjarrao break; 2589f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_burst_len = 2590f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2591f8e93412SHarish Zunjarrao BYTE_UNITS; 2592f8e93412SHarish Zunjarrao break; 2593f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 2594f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2595f8e93412SHarish Zunjarrao break; 2596f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2597f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2598f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); 2599f8e93412SHarish Zunjarrao else 2600f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2601f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); 2602f8e93412SHarish Zunjarrao break; 2603f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 2604f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2605f8e93412SHarish Zunjarrao break; 2606f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2607f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2608f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); 2609f8e93412SHarish Zunjarrao else 2610f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2611f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); 2612f8e93412SHarish Zunjarrao break; 2613f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 2614f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2615f8e93412SHarish Zunjarrao break; 2616f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2617f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2618f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); 2619f8e93412SHarish Zunjarrao else 2620f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2621f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); 2622f8e93412SHarish Zunjarrao break; 2623f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 2624f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2625f8e93412SHarish Zunjarrao break; 2626f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2627f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2628f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2629f8e93412SHarish Zunjarrao else 2630f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2631f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2632f8e93412SHarish Zunjarrao break; 2633f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 2634f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2635f8e93412SHarish Zunjarrao break; 2636f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2637f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2638f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2639f8e93412SHarish Zunjarrao else 2640f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2641f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2642f8e93412SHarish Zunjarrao break; 2643f8e93412SHarish Zunjarrao default: 2644f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", 2645f8e93412SHarish Zunjarrao iface_param->param); 2646f8e93412SHarish Zunjarrao break; 2647f8e93412SHarish Zunjarrao } 2648f8e93412SHarish Zunjarrao } 2649f8e93412SHarish Zunjarrao 2650d00efe3fSMike Christie static void 2651d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 2652d00efe3fSMike Christie { 2653d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 2654d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 2655d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 2656d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 2657d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 2658d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 2659d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 2660d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 2661d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 2662d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 2663d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 2664d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 2665d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 2666d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 2667d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 2668d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 2669d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 2670d00efe3fSMike Christie } 2671d00efe3fSMike Christie 2672d00efe3fSMike Christie static int 267300c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 2674d00efe3fSMike Christie { 2675d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 2676d00efe3fSMike Christie int rval = 0; 2677d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 2678d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 2679d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 2680d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 2681d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 268200c31889SMike Christie uint32_t rem = len; 268300c31889SMike Christie struct nlattr *attr; 2684d00efe3fSMike Christie 2685d00efe3fSMike Christie init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 2686d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2687d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 2688d00efe3fSMike Christie if (!init_fw_cb) { 2689d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 2690d00efe3fSMike Christie __func__); 2691d00efe3fSMike Christie return -ENOMEM; 2692d00efe3fSMike Christie } 2693d00efe3fSMike Christie 2694d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2695d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2696d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 2697d00efe3fSMike Christie 2698d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 2699d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 2700d00efe3fSMike Christie rval = -EIO; 2701d00efe3fSMike Christie goto exit_init_fw_cb; 2702d00efe3fSMike Christie } 2703d00efe3fSMike Christie 270400c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 270500c31889SMike Christie iface_param = nla_data(attr); 2706d00efe3fSMike Christie 2707f8e93412SHarish Zunjarrao if (iface_param->param_type == ISCSI_NET_PARAM) { 2708d00efe3fSMike Christie switch (iface_param->iface_type) { 2709d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 2710d00efe3fSMike Christie switch (iface_param->iface_num) { 2711d00efe3fSMike Christie case 0: 2712f8e93412SHarish Zunjarrao qla4xxx_set_ipv4(ha, iface_param, 2713f8e93412SHarish Zunjarrao init_fw_cb); 2714d00efe3fSMike Christie break; 2715d00efe3fSMike Christie default: 2716d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 2717f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2718f8e93412SHarish Zunjarrao "Invalid IPv4 iface number = %d\n", 2719d00efe3fSMike Christie iface_param->iface_num); 2720d00efe3fSMike Christie break; 2721d00efe3fSMike Christie } 2722d00efe3fSMike Christie break; 2723d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 2724d00efe3fSMike Christie switch (iface_param->iface_num) { 2725d00efe3fSMike Christie case 0: 2726d00efe3fSMike Christie case 1: 2727f8e93412SHarish Zunjarrao qla4xxx_set_ipv6(ha, iface_param, 2728f8e93412SHarish Zunjarrao init_fw_cb); 2729d00efe3fSMike Christie break; 2730d00efe3fSMike Christie default: 2731d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 2732f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2733f8e93412SHarish Zunjarrao "Invalid IPv6 iface number = %d\n", 2734d00efe3fSMike Christie iface_param->iface_num); 2735d00efe3fSMike Christie break; 2736d00efe3fSMike Christie } 2737d00efe3fSMike Christie break; 2738d00efe3fSMike Christie default: 2739f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2740f8e93412SHarish Zunjarrao "Invalid iface type\n"); 2741d00efe3fSMike Christie break; 2742d00efe3fSMike Christie } 2743f8e93412SHarish Zunjarrao } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { 2744f8e93412SHarish Zunjarrao qla4xxx_set_iscsi_param(ha, iface_param, 2745f8e93412SHarish Zunjarrao init_fw_cb); 2746f8e93412SHarish Zunjarrao } else { 2747f8e93412SHarish Zunjarrao continue; 2748f8e93412SHarish Zunjarrao } 2749d00efe3fSMike Christie } 2750d00efe3fSMike Christie 2751d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 2752d00efe3fSMike Christie 2753d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 2754d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2755d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 2756d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2757d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 2758d00efe3fSMike Christie __func__); 2759d00efe3fSMike Christie rval = -EIO; 2760d00efe3fSMike Christie goto exit_init_fw_cb; 2761d00efe3fSMike Christie } 2762d00efe3fSMike Christie 2763ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 2764ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 2765ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 2766ce505f9dSVikas Chaudhary __func__); 2767ce505f9dSVikas Chaudhary rval = -EIO; 2768ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 2769ce505f9dSVikas Chaudhary } 2770ce505f9dSVikas Chaudhary 2771ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 2772ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 2773d00efe3fSMike Christie 2774d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 2775d00efe3fSMike Christie 2776d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 2777d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2778d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 2779d00efe3fSMike Christie __func__); 2780d00efe3fSMike Christie rval = -EIO; 2781d00efe3fSMike Christie goto exit_init_fw_cb; 2782d00efe3fSMike Christie } 2783d00efe3fSMike Christie 2784d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2785d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 2786d00efe3fSMike Christie init_fw_cb_dma); 2787d00efe3fSMike Christie 2788d00efe3fSMike Christie exit_init_fw_cb: 2789d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 2790d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 2791d00efe3fSMike Christie 2792d00efe3fSMike Christie return rval; 2793d00efe3fSMike Christie } 2794d00efe3fSMike Christie 2795fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 2796fca9f04dSMike Christie enum iscsi_param param, char *buf) 2797fca9f04dSMike Christie { 2798fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 2799fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 2800fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 280197c2730cSAdheer Chandravanshi struct iscsi_cls_conn *cls_conn = ddb_entry->conn; 280297c2730cSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 2803fca9f04dSMike Christie int rval, len; 2804fca9f04dSMike Christie uint16_t idx; 2805fca9f04dSMike Christie 280697c2730cSAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 2807fca9f04dSMike Christie switch (param) { 2808fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 2809fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 2810fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 2811fca9f04dSMike Christie &idx); 2812fca9f04dSMike Christie if (rval) 2813c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2814c7a5e0d0SManish Rangankar else 2815fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2816fca9f04dSMike Christie break; 2817fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 281897c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB) { 281997c2730cSAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 282097c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 282197c2730cSAdheer Chandravanshi rval = QLA_SUCCESS; 282297c2730cSAdheer Chandravanshi } else { 282397c2730cSAdheer Chandravanshi rval = QLA_ERROR; 282497c2730cSAdheer Chandravanshi } 282597c2730cSAdheer Chandravanshi } else { 2826fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 282797c2730cSAdheer Chandravanshi sess->password, 282897c2730cSAdheer Chandravanshi LOCAL_CHAP, &idx); 282997c2730cSAdheer Chandravanshi } 2830fca9f04dSMike Christie if (rval) 2831c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2832c7a5e0d0SManish Rangankar else 2833fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2834fca9f04dSMike Christie break; 283597c2730cSAdheer Chandravanshi case ISCSI_PARAM_USERNAME: 283697c2730cSAdheer Chandravanshi case ISCSI_PARAM_PASSWORD: 283797c2730cSAdheer Chandravanshi /* First, populate session username and password for FLASH DDB, 283897c2730cSAdheer Chandravanshi * if not already done. This happens when session login fails 283997c2730cSAdheer Chandravanshi * for a FLASH DDB. 284097c2730cSAdheer Chandravanshi */ 284197c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB && 284297c2730cSAdheer Chandravanshi ddb_entry->chap_tbl_idx != INVALID_ENTRY && 284397c2730cSAdheer Chandravanshi !sess->username && !sess->password) { 284497c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 284597c2730cSAdheer Chandravanshi rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 284697c2730cSAdheer Chandravanshi chap_tbl.secret, 284797c2730cSAdheer Chandravanshi idx); 284897c2730cSAdheer Chandravanshi if (!rval) { 284997c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 285097c2730cSAdheer Chandravanshi (char *)chap_tbl.name, 285197c2730cSAdheer Chandravanshi strlen((char *)chap_tbl.name)); 285297c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 285397c2730cSAdheer Chandravanshi (char *)chap_tbl.secret, 285497c2730cSAdheer Chandravanshi chap_tbl.secret_len); 285597c2730cSAdheer Chandravanshi } 285697c2730cSAdheer Chandravanshi } 285797c2730cSAdheer Chandravanshi /* allow fall-through */ 2858fca9f04dSMike Christie default: 2859fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 2860fca9f04dSMike Christie } 2861fca9f04dSMike Christie 2862fca9f04dSMike Christie return len; 2863fca9f04dSMike Christie } 2864fca9f04dSMike Christie 2865b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 2866afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 2867afaf5a2dSDavid Somayajulu { 2868b3a271a9SManish Rangankar struct iscsi_conn *conn; 2869b3a271a9SManish Rangankar struct qla_conn *qla_conn; 2870b3a271a9SManish Rangankar struct sockaddr *dst_addr; 2871b3a271a9SManish Rangankar int len = 0; 2872afaf5a2dSDavid Somayajulu 2873b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2874b3a271a9SManish Rangankar qla_conn = conn->dd_data; 2875d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2876afaf5a2dSDavid Somayajulu 2877afaf5a2dSDavid Somayajulu switch (param) { 2878afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 2879afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 2880b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 2881b3a271a9SManish Rangankar dst_addr, param, buf); 2882afaf5a2dSDavid Somayajulu default: 2883b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 2884afaf5a2dSDavid Somayajulu } 2885afaf5a2dSDavid Somayajulu 2886afaf5a2dSDavid Somayajulu return len; 2887b3a271a9SManish Rangankar 2888afaf5a2dSDavid Somayajulu } 2889afaf5a2dSDavid Somayajulu 289013483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 289113483730SMike Christie { 289213483730SMike Christie uint32_t mbx_sts = 0; 289313483730SMike Christie uint16_t tmp_ddb_index; 289413483730SMike Christie int ret; 289513483730SMike Christie 289613483730SMike Christie get_ddb_index: 289713483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 289813483730SMike Christie 289913483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 290013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 290113483730SMike Christie "Free DDB index not available\n")); 290213483730SMike Christie ret = QLA_ERROR; 290313483730SMike Christie goto exit_get_ddb_index; 290413483730SMike Christie } 290513483730SMike Christie 290613483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 290713483730SMike Christie goto get_ddb_index; 290813483730SMike Christie 290913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 291013483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 291113483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 291213483730SMike Christie if (ret == QLA_ERROR) { 291313483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 291413483730SMike Christie ql4_printk(KERN_INFO, ha, 291513483730SMike Christie "DDB index = %d not available trying next\n", 291613483730SMike Christie tmp_ddb_index); 291713483730SMike Christie goto get_ddb_index; 291813483730SMike Christie } 291913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 292013483730SMike Christie "Free FW DDB not available\n")); 292113483730SMike Christie } 292213483730SMike Christie 292313483730SMike Christie *ddb_index = tmp_ddb_index; 292413483730SMike Christie 292513483730SMike Christie exit_get_ddb_index: 292613483730SMike Christie return ret; 292713483730SMike Christie } 292813483730SMike Christie 292913483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 293013483730SMike Christie struct ddb_entry *ddb_entry, 293113483730SMike Christie char *existing_ipaddr, 293213483730SMike Christie char *user_ipaddr) 293313483730SMike Christie { 293413483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 293513483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 293613483730SMike Christie int status = QLA_SUCCESS, ret = 0; 293713483730SMike Christie 293813483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 293913483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 294013483730SMike Christie '\0', NULL); 294113483730SMike Christie if (ret == 0) { 294213483730SMike Christie status = QLA_ERROR; 294313483730SMike Christie goto out_match; 294413483730SMike Christie } 294513483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 294613483730SMike Christie } else { 294713483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 294813483730SMike Christie '\0', NULL); 294913483730SMike Christie if (ret == 0) { 295013483730SMike Christie status = QLA_ERROR; 295113483730SMike Christie goto out_match; 295213483730SMike Christie } 295313483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 295413483730SMike Christie } 295513483730SMike Christie 295613483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 295713483730SMike Christie status = QLA_ERROR; 295813483730SMike Christie 295913483730SMike Christie out_match: 296013483730SMike Christie return status; 296113483730SMike Christie } 296213483730SMike Christie 296313483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 296413483730SMike Christie struct iscsi_cls_conn *cls_conn) 296513483730SMike Christie { 296613483730SMike Christie int idx = 0, max_ddbs, rval; 296713483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 296813483730SMike Christie struct iscsi_session *sess, *existing_sess; 296913483730SMike Christie struct iscsi_conn *conn, *existing_conn; 297013483730SMike Christie struct ddb_entry *ddb_entry; 297113483730SMike Christie 297213483730SMike Christie sess = cls_sess->dd_data; 297313483730SMike Christie conn = cls_conn->dd_data; 297413483730SMike Christie 297513483730SMike Christie if (sess->targetname == NULL || 297613483730SMike Christie conn->persistent_address == NULL || 297713483730SMike Christie conn->persistent_port == 0) 297813483730SMike Christie return QLA_ERROR; 297913483730SMike Christie 298013483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 298113483730SMike Christie MAX_DEV_DB_ENTRIES; 298213483730SMike Christie 298313483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 298413483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 298513483730SMike Christie if (ddb_entry == NULL) 298613483730SMike Christie continue; 298713483730SMike Christie 298813483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 298913483730SMike Christie continue; 299013483730SMike Christie 299113483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 299213483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 299313483730SMike Christie 299413483730SMike Christie if (existing_sess->targetname == NULL || 299513483730SMike Christie existing_conn->persistent_address == NULL || 299613483730SMike Christie existing_conn->persistent_port == 0) 299713483730SMike Christie continue; 299813483730SMike Christie 299913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 300013483730SMike Christie "IQN = %s User IQN = %s\n", 300113483730SMike Christie existing_sess->targetname, 300213483730SMike Christie sess->targetname)); 300313483730SMike Christie 300413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 300513483730SMike Christie "IP = %s User IP = %s\n", 300613483730SMike Christie existing_conn->persistent_address, 300713483730SMike Christie conn->persistent_address)); 300813483730SMike Christie 300913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 301013483730SMike Christie "Port = %d User Port = %d\n", 301113483730SMike Christie existing_conn->persistent_port, 301213483730SMike Christie conn->persistent_port)); 301313483730SMike Christie 301413483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 301513483730SMike Christie continue; 301613483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 301713483730SMike Christie existing_conn->persistent_address, 301813483730SMike Christie conn->persistent_address); 301913483730SMike Christie if (rval == QLA_ERROR) 302013483730SMike Christie continue; 302113483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 302213483730SMike Christie continue; 302313483730SMike Christie break; 302413483730SMike Christie } 302513483730SMike Christie 302613483730SMike Christie if (idx == max_ddbs) 302713483730SMike Christie return QLA_ERROR; 302813483730SMike Christie 302913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 303013483730SMike Christie "Match found in fwdb sessions\n")); 303113483730SMike Christie return QLA_SUCCESS; 303213483730SMike Christie } 303313483730SMike Christie 3034b3a271a9SManish Rangankar static struct iscsi_cls_session * 3035b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 3036b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 3037b3a271a9SManish Rangankar uint32_t initial_cmdsn) 3038b3a271a9SManish Rangankar { 3039b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3040b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3041b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 3042b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 304313483730SMike Christie uint16_t ddb_index; 3044b3a271a9SManish Rangankar struct iscsi_session *sess; 3045b3a271a9SManish Rangankar struct sockaddr *dst_addr; 3046b3a271a9SManish Rangankar int ret; 3047b3a271a9SManish Rangankar 3048b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 3049b3a271a9SManish Rangankar if (!ep) { 3050b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 3051b3a271a9SManish Rangankar return NULL; 3052b3a271a9SManish Rangankar } 3053b3a271a9SManish Rangankar 3054b3a271a9SManish Rangankar qla_ep = ep->dd_data; 3055b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 3056b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 3057736cf369SManish Rangankar 305813483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 305913483730SMike Christie if (ret == QLA_ERROR) 3060b3a271a9SManish Rangankar return NULL; 3061b3a271a9SManish Rangankar 3062b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 3063b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 3064b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 3065b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 3066b3a271a9SManish Rangankar if (!cls_sess) 3067b3a271a9SManish Rangankar return NULL; 3068b3a271a9SManish Rangankar 3069b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3070b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3071b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 3072b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 3073b3a271a9SManish Rangankar ddb_entry->ha = ha; 3074b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 307513483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 307613483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 3077de2efea6SNilesh Javali clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); 3078b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 3079b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 3080b3a271a9SManish Rangankar ha->tot_ddbs++; 3081b3a271a9SManish Rangankar 3082b3a271a9SManish Rangankar return cls_sess; 3083b3a271a9SManish Rangankar } 3084b3a271a9SManish Rangankar 3085b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 3086b3a271a9SManish Rangankar { 3087b3a271a9SManish Rangankar struct iscsi_session *sess; 3088b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3089b3a271a9SManish Rangankar struct scsi_qla_host *ha; 309090599b62SManish Rangankar unsigned long flags, wtime; 309190599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 309290599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 309390599b62SManish Rangankar uint32_t ddb_state; 309490599b62SManish Rangankar int ret; 3095b3a271a9SManish Rangankar 3096b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 3097b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3098b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3099b3a271a9SManish Rangankar ha = ddb_entry->ha; 3100b3a271a9SManish Rangankar 310190599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 310290599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 310390599b62SManish Rangankar if (!fw_ddb_entry) { 310490599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 310590599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 310690599b62SManish Rangankar goto destroy_session; 310790599b62SManish Rangankar } 310890599b62SManish Rangankar 310990599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 311090599b62SManish Rangankar do { 311190599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 311290599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 311390599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 311490599b62SManish Rangankar NULL, NULL); 311590599b62SManish Rangankar if (ret == QLA_ERROR) 311690599b62SManish Rangankar goto destroy_session; 311790599b62SManish Rangankar 311890599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 311990599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 312090599b62SManish Rangankar goto destroy_session; 312190599b62SManish Rangankar 312290599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 312390599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 312490599b62SManish Rangankar 312590599b62SManish Rangankar destroy_session: 3126736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 3127de2efea6SNilesh Javali if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) 3128de2efea6SNilesh Javali clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 3129b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 3130b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 3131b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 313290599b62SManish Rangankar 3133b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 313490599b62SManish Rangankar 313590599b62SManish Rangankar if (fw_ddb_entry) 313690599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 313790599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3138b3a271a9SManish Rangankar } 3139b3a271a9SManish Rangankar 3140b3a271a9SManish Rangankar static struct iscsi_cls_conn * 3141b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 3142b3a271a9SManish Rangankar { 3143b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3144b3a271a9SManish Rangankar struct iscsi_session *sess; 3145b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3146b3a271a9SManish Rangankar 3147b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 3148b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 3149b3a271a9SManish Rangankar conn_idx); 3150ff1d0319SMike Christie if (!cls_conn) 3151ff1d0319SMike Christie return NULL; 3152ff1d0319SMike Christie 3153b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3154b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3155b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 3156b3a271a9SManish Rangankar 3157b3a271a9SManish Rangankar return cls_conn; 3158b3a271a9SManish Rangankar } 3159b3a271a9SManish Rangankar 3160b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 3161b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 3162b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 3163b3a271a9SManish Rangankar { 3164b3a271a9SManish Rangankar struct iscsi_conn *conn; 3165b3a271a9SManish Rangankar struct qla_conn *qla_conn; 3166b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 3167b3a271a9SManish Rangankar 3168b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 3169b3a271a9SManish Rangankar 3170b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 3171b3a271a9SManish Rangankar return -EINVAL; 3172b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 3173b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3174b3a271a9SManish Rangankar qla_conn = conn->dd_data; 3175b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 3176b3a271a9SManish Rangankar return 0; 3177b3a271a9SManish Rangankar } 3178b3a271a9SManish Rangankar 3179b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 3180b3a271a9SManish Rangankar { 3181b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3182b3a271a9SManish Rangankar struct iscsi_session *sess; 3183b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3184b3a271a9SManish Rangankar struct scsi_qla_host *ha; 318513483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 3186b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3187b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 3188b3a271a9SManish Rangankar int ret = 0; 3189b3a271a9SManish Rangankar int status = QLA_SUCCESS; 3190b3a271a9SManish Rangankar 3191b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 3192b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3193b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3194b3a271a9SManish Rangankar ha = ddb_entry->ha; 3195b3a271a9SManish Rangankar 319613483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 319713483730SMike Christie * login to this target. This could cause target to logout previous 319813483730SMike Christie * connection 319913483730SMike Christie */ 320013483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 320113483730SMike Christie if (ret == QLA_SUCCESS) { 320213483730SMike Christie ql4_printk(KERN_INFO, ha, 320313483730SMike Christie "Session already exist in FW.\n"); 320413483730SMike Christie ret = -EEXIST; 320513483730SMike Christie goto exit_conn_start; 320613483730SMike Christie } 320713483730SMike Christie 3208b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3209b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3210b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3211b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3212b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 321313483730SMike Christie ret = -ENOMEM; 321413483730SMike Christie goto exit_conn_start; 3215b3a271a9SManish Rangankar } 3216b3a271a9SManish Rangankar 3217b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 3218b3a271a9SManish Rangankar if (ret) { 3219b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 3220b3a271a9SManish Rangankar * set param again since ddb state will be already 3221b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 3222b3a271a9SManish Rangankar * active session. 3223b3a271a9SManish Rangankar */ 3224b3a271a9SManish Rangankar if (mbx_sts) 3225b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 3226f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 322713483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 3228b3a271a9SManish Rangankar goto exit_set_param; 3229f922da79SManish Rangankar } 3230b3a271a9SManish Rangankar 3231b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 3232b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 3233b3a271a9SManish Rangankar goto exit_conn_start; 3234b3a271a9SManish Rangankar } 3235b3a271a9SManish Rangankar 3236b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 3237b3a271a9SManish Rangankar if (status == QLA_ERROR) { 32380e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 32390e7e8501SManish Rangankar sess->targetname); 3240b3a271a9SManish Rangankar ret = -EINVAL; 3241b3a271a9SManish Rangankar goto exit_conn_start; 3242b3a271a9SManish Rangankar } 3243b3a271a9SManish Rangankar 324498270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 3245b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 3246b3a271a9SManish Rangankar 324798270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 324898270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 324998270ab4SManish Rangankar 3250b3a271a9SManish Rangankar exit_set_param: 3251b3a271a9SManish Rangankar ret = 0; 3252b3a271a9SManish Rangankar 3253b3a271a9SManish Rangankar exit_conn_start: 325413483730SMike Christie if (fw_ddb_entry) 3255b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3256b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3257b3a271a9SManish Rangankar return ret; 3258b3a271a9SManish Rangankar } 3259b3a271a9SManish Rangankar 3260b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 3261b3a271a9SManish Rangankar { 3262b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3263b3a271a9SManish Rangankar struct iscsi_session *sess; 3264b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3265b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3266b3a271a9SManish Rangankar int options; 3267b3a271a9SManish Rangankar 3268b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 3269b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3270b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3271b3a271a9SManish Rangankar ha = ddb_entry->ha; 3272b3a271a9SManish Rangankar 3273b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 3274b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 3275b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 3276b3a271a9SManish Rangankar } 3277b3a271a9SManish Rangankar 3278b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 3279b3a271a9SManish Rangankar { 3280b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3281b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3282b3a271a9SManish Rangankar struct passthru_status *sts; 3283b3a271a9SManish Rangankar struct iscsi_task *task; 3284b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 3285b3a271a9SManish Rangankar uint8_t *data; 3286b3a271a9SManish Rangankar uint32_t data_len; 3287b3a271a9SManish Rangankar struct iscsi_conn *conn; 3288b3a271a9SManish Rangankar int hdr_len; 3289b3a271a9SManish Rangankar itt_t itt; 3290b3a271a9SManish Rangankar 3291b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 3292b3a271a9SManish Rangankar ha = task_data->ha; 3293b3a271a9SManish Rangankar task = task_data->task; 3294b3a271a9SManish Rangankar sts = &task_data->sts; 3295b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3296b3a271a9SManish Rangankar 3297b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 3298b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 3299b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 3300b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 3301b3a271a9SManish Rangankar 3302b3a271a9SManish Rangankar conn = task->conn; 3303b3a271a9SManish Rangankar 3304b3a271a9SManish Rangankar switch (sts->completionStatus) { 3305b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 3306b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 3307b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 3308b3a271a9SManish Rangankar itt = sts->handle; 3309b3a271a9SManish Rangankar hdr->itt = itt; 3310b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 3311b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 3312b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 3313b3a271a9SManish Rangankar break; 3314b3a271a9SManish Rangankar default: 3315b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 3316b3a271a9SManish Rangankar sts->completionStatus); 3317b3a271a9SManish Rangankar break; 3318b3a271a9SManish Rangankar } 3319b3a271a9SManish Rangankar return; 3320b3a271a9SManish Rangankar } 3321b3a271a9SManish Rangankar 3322b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 3323b3a271a9SManish Rangankar { 3324b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3325b3a271a9SManish Rangankar struct iscsi_session *sess; 3326b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3327b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3328b3a271a9SManish Rangankar int hdr_len; 3329b3a271a9SManish Rangankar 3330b3a271a9SManish Rangankar sess = task->conn->session; 3331b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3332b3a271a9SManish Rangankar ha = ddb_entry->ha; 3333b3a271a9SManish Rangankar task_data = task->dd_data; 3334b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 3335b3a271a9SManish Rangankar 3336b3a271a9SManish Rangankar if (task->sc) { 3337b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 3338b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 3339b3a271a9SManish Rangankar return -EINVAL; 3340b3a271a9SManish Rangankar } 3341b3a271a9SManish Rangankar 3342b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3343b3a271a9SManish Rangankar task_data->ha = ha; 3344b3a271a9SManish Rangankar task_data->task = task; 3345b3a271a9SManish Rangankar 3346b3a271a9SManish Rangankar if (task->data_count) { 3347b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 3348b3a271a9SManish Rangankar task->data_count, 3349b3a271a9SManish Rangankar PCI_DMA_TODEVICE); 3350b3a271a9SManish Rangankar } 3351b3a271a9SManish Rangankar 3352b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3353b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3354b3a271a9SManish Rangankar 335569ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 3356b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 3357b3a271a9SManish Rangankar task_data->resp_len, 3358b3a271a9SManish Rangankar &task_data->resp_dma, 3359b3a271a9SManish Rangankar GFP_ATOMIC); 3360b3a271a9SManish Rangankar if (!task_data->resp_buffer) 3361b3a271a9SManish Rangankar goto exit_alloc_pdu; 3362b3a271a9SManish Rangankar 336369ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 3364b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 336569ca216eSManish Rangankar task_data->req_len, 3366b3a271a9SManish Rangankar &task_data->req_dma, 3367b3a271a9SManish Rangankar GFP_ATOMIC); 3368b3a271a9SManish Rangankar if (!task_data->req_buffer) 3369b3a271a9SManish Rangankar goto exit_alloc_pdu; 3370b3a271a9SManish Rangankar 3371b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 3372b3a271a9SManish Rangankar 3373b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 3374b3a271a9SManish Rangankar 3375b3a271a9SManish Rangankar return 0; 3376b3a271a9SManish Rangankar 3377b3a271a9SManish Rangankar exit_alloc_pdu: 3378b3a271a9SManish Rangankar if (task_data->resp_buffer) 3379b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3380b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 3381b3a271a9SManish Rangankar 3382b3a271a9SManish Rangankar if (task_data->req_buffer) 338369ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3384b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3385b3a271a9SManish Rangankar return -ENOMEM; 3386b3a271a9SManish Rangankar } 3387b3a271a9SManish Rangankar 3388b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 3389b3a271a9SManish Rangankar { 3390b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3391b3a271a9SManish Rangankar struct iscsi_session *sess; 3392b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3393b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3394b3a271a9SManish Rangankar int hdr_len; 3395b3a271a9SManish Rangankar 3396b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3397b3a271a9SManish Rangankar sess = task->conn->session; 3398b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3399b3a271a9SManish Rangankar ha = ddb_entry->ha; 3400b3a271a9SManish Rangankar task_data = task->dd_data; 3401b3a271a9SManish Rangankar 3402b3a271a9SManish Rangankar if (task->data_count) { 3403b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 3404b3a271a9SManish Rangankar task->data_count, PCI_DMA_TODEVICE); 3405b3a271a9SManish Rangankar } 3406b3a271a9SManish Rangankar 3407b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3408b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3409b3a271a9SManish Rangankar 3410b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3411b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 341269ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3413b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3414b3a271a9SManish Rangankar return; 3415b3a271a9SManish Rangankar } 3416b3a271a9SManish Rangankar 3417b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 3418b3a271a9SManish Rangankar { 3419b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 3420b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 3421b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 3422b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 3423b3a271a9SManish Rangankar 3424b3a271a9SManish Rangankar if (!sc) 3425b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 3426b3a271a9SManish Rangankar 3427b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 3428b3a271a9SManish Rangankar __func__); 3429b3a271a9SManish Rangankar return -ENOSYS; 3430b3a271a9SManish Rangankar } 3431b3a271a9SManish Rangankar 34321e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 34331e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 34341e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 34351e9e2be3SAdheer Chandravanshi { 34361e9e2be3SAdheer Chandravanshi unsigned long options = 0; 34371e9e2be3SAdheer Chandravanshi int rc = 0; 34381e9e2be3SAdheer Chandravanshi 34391e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 34401e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 34411e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 3442c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3443c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV6); 34441e9e2be3SAdheer Chandravanshi if (rc) 34451e9e2be3SAdheer Chandravanshi goto exit_copy; 34461e9e2be3SAdheer Chandravanshi } else { 3447c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3448c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV4); 34491e9e2be3SAdheer Chandravanshi if (rc) 34501e9e2be3SAdheer Chandravanshi goto exit_copy; 34511e9e2be3SAdheer Chandravanshi } 34521e9e2be3SAdheer Chandravanshi 34531e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 34541e9e2be3SAdheer Chandravanshi &options); 34551e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 34561e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 34571e9e2be3SAdheer Chandravanshi 34581e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 34591e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 34601e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 34611e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 34621e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 34631e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 34641e9e2be3SAdheer Chandravanshi &options); 34651e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 34661e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 34671e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 34681e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 34691e9e2be3SAdheer Chandravanshi &options); 34701e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 34711e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 34721e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 34731e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 34741e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 34751e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 34761e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 34771e9e2be3SAdheer Chandravanshi 34781e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 34791e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 34801e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 34811e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 34821e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 34831e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 34841e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 34851e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 34861e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 34871e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 34881e9e2be3SAdheer Chandravanshi 34891e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 34901e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 34911e9e2be3SAdheer Chandravanshi 34921e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 34931e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 34941e9e2be3SAdheer Chandravanshi 34951e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 34961e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 34971e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 34981e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 34991e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 35001e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 35011e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 35021e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 35031e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 35041e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 35051e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 35061e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 35071e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 35081e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 35091e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 35101e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 35111e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 35121e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 35131e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 35141e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 35151e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 35161e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 35171e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 35181e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 35191e9e2be3SAdheer Chandravanshi 35201e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 35211e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 35221e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 35231e9e2be3SAdheer Chandravanshi 35241e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35251e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35261e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 35271e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35281e9e2be3SAdheer Chandravanshi goto exit_copy; 35291e9e2be3SAdheer Chandravanshi } 35301e9e2be3SAdheer Chandravanshi 35311e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35321e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 35331e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35341e9e2be3SAdheer Chandravanshi goto exit_copy; 35351e9e2be3SAdheer Chandravanshi } 35361e9e2be3SAdheer Chandravanshi 35371e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 35381e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 35391e9e2be3SAdheer Chandravanshi 35401e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 35411e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 35421e9e2be3SAdheer Chandravanshi 35431e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35441e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 35451e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35461e9e2be3SAdheer Chandravanshi goto exit_copy; 35471e9e2be3SAdheer Chandravanshi } 35481e9e2be3SAdheer Chandravanshi 35491e9e2be3SAdheer Chandravanshi memcpy(conn->link_local_ipv6_addr, 35501e9e2be3SAdheer Chandravanshi fw_ddb_entry->link_local_ipv6_addr, IPv6_ADDR_LEN); 35511e9e2be3SAdheer Chandravanshi } else { 35521e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 35531e9e2be3SAdheer Chandravanshi } 35541e9e2be3SAdheer Chandravanshi 35551e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 35561e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 35571e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 35581e9e2be3SAdheer Chandravanshi if (rc) 35591e9e2be3SAdheer Chandravanshi goto exit_copy; 35601e9e2be3SAdheer Chandravanshi } 35611e9e2be3SAdheer Chandravanshi 35621e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 35631e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 35641e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 35651e9e2be3SAdheer Chandravanshi if (rc) 35661e9e2be3SAdheer Chandravanshi goto exit_copy; 35671e9e2be3SAdheer Chandravanshi } 35681e9e2be3SAdheer Chandravanshi 35691e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 35701e9e2be3SAdheer Chandravanshi 35711e9e2be3SAdheer Chandravanshi exit_copy: 35721e9e2be3SAdheer Chandravanshi return rc; 35731e9e2be3SAdheer Chandravanshi } 35741e9e2be3SAdheer Chandravanshi 35751e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 35761e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 35771e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 35781e9e2be3SAdheer Chandravanshi { 35791e9e2be3SAdheer Chandravanshi uint16_t options; 35801e9e2be3SAdheer Chandravanshi int rc = 0; 35811e9e2be3SAdheer Chandravanshi 35821e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35831e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 3584c962c18bSAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 35851e9e2be3SAdheer Chandravanshi options |= BIT_8; 35861e9e2be3SAdheer Chandravanshi else 35871e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 35881e9e2be3SAdheer Chandravanshi 35891e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 35901e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 35911e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 35921e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 35931e9e2be3SAdheer Chandravanshi 35941e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 35951e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 35961e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 35971e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 35981e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 35991e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 36001e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 36011e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 36021e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 36031e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 36041e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 36051e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 36061e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 36071e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 36081e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 36091e9e2be3SAdheer Chandravanshi 36101e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 36111e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 36121e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 36131e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 36141e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 36151e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 36161e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 36171e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 36181e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 36191e9e2be3SAdheer Chandravanshi 36201e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 36211e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 36221e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 36231e9e2be3SAdheer Chandravanshi 36241e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 36251e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 36261e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 36271e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 36281e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 36291e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 36301e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 36311e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 36321e9e2be3SAdheer Chandravanshi BYTE_UNITS); 36331e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 36341e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 36351e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 36361e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 3637fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); 3638fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); 36391e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 36401e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 36411e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 3642fbcd4836SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); 3643fbcd4836SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); 364465560166SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); 36451e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 36461e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 36471e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 36481e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 36491e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 36501e9e2be3SAdheer Chandravanshi 365184595802SAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 365284595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; 365384595802SAdheer Chandravanshi else 365484595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 365584595802SAdheer Chandravanshi 36561e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 36571e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 36581e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 36591e9e2be3SAdheer Chandravanshi 36601e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 36611e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 36621e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 36631e9e2be3SAdheer Chandravanshi 36641e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 36651e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 36661e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 36671e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 36681e9e2be3SAdheer Chandravanshi 36691e9e2be3SAdheer Chandravanshi if (sess->targetname) 36701e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 36711e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 36721e9e2be3SAdheer Chandravanshi 36731e9e2be3SAdheer Chandravanshi if (sess->targetalias) 36741e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 36751e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 36761e9e2be3SAdheer Chandravanshi 36771e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 36781e9e2be3SAdheer Chandravanshi 36791e9e2be3SAdheer Chandravanshi return rc; 36801e9e2be3SAdheer Chandravanshi } 36811e9e2be3SAdheer Chandravanshi 36828cc91d42SAdheer Chandravanshi static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, 36838cc91d42SAdheer Chandravanshi struct iscsi_session *sess, 36848cc91d42SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 36858cc91d42SAdheer Chandravanshi { 36868cc91d42SAdheer Chandravanshi unsigned long options = 0; 36878cc91d42SAdheer Chandravanshi uint16_t ddb_link; 36888cc91d42SAdheer Chandravanshi uint16_t disc_parent; 3689fb734ee3SAdheer Chandravanshi char ip_addr[DDB_IPADDR_LEN]; 36908cc91d42SAdheer Chandravanshi 36918cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 36928cc91d42SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 36938cc91d42SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 36948cc91d42SAdheer Chandravanshi &options); 36958cc91d42SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 36968cc91d42SAdheer Chandravanshi 36978cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 36988cc91d42SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 36998cc91d42SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 37008cc91d42SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 37018cc91d42SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 37028cc91d42SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 37038cc91d42SAdheer Chandravanshi &options); 37048cc91d42SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 37058cc91d42SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 37068cc91d42SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 37078cc91d42SAdheer Chandravanshi &options); 37088cc91d42SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 37098cc91d42SAdheer Chandravanshi sess->discovery_auth_optional = 37108cc91d42SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 37118cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 37128cc91d42SAdheer Chandravanshi sess->erl |= BIT_1; 37138cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 37148cc91d42SAdheer Chandravanshi sess->erl |= BIT_0; 37158cc91d42SAdheer Chandravanshi 37168cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 37178cc91d42SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 37188cc91d42SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 37198cc91d42SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 37208cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 37218cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 37228cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 37238cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 37248cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 37258cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 37268cc91d42SAdheer Chandravanshi 37278cc91d42SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 37288cc91d42SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 37298cc91d42SAdheer Chandravanshi 37308cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 37318cc91d42SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 37328cc91d42SAdheer Chandravanshi 37338cc91d42SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 37348cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 37358cc91d42SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 37368cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 37378cc91d42SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 37388cc91d42SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 37398cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 37408cc91d42SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 37418cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 37428cc91d42SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 37438cc91d42SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 37448cc91d42SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 37458cc91d42SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 37468cc91d42SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 37478cc91d42SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 37488cc91d42SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 37498cc91d42SAdheer Chandravanshi conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); 37508cc91d42SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 37518cc91d42SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 37528cc91d42SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 37538cc91d42SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 37548cc91d42SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 37558cc91d42SAdheer Chandravanshi 37568cc91d42SAdheer Chandravanshi ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 37578cc91d42SAdheer Chandravanshi if (ddb_link == DDB_ISNS) 37588cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_ISNS; 37598cc91d42SAdheer Chandravanshi else if (ddb_link == DDB_NO_LINK) 37608cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 37618cc91d42SAdheer Chandravanshi else if (ddb_link < MAX_DDB_ENTRIES) 37628cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_SENDTGT; 37638cc91d42SAdheer Chandravanshi else 37648cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 37658cc91d42SAdheer Chandravanshi 37668cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 37678cc91d42SAdheer Chandravanshi iscsi_get_discovery_parent_name(disc_parent), 0); 37688cc91d42SAdheer Chandravanshi 37698cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, 37708cc91d42SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias, 0); 3771fb734ee3SAdheer Chandravanshi 3772fb734ee3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 3773fb734ee3SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 3774fb734ee3SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 3775fb734ee3SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); 3776fb734ee3SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, 3777fb734ee3SAdheer Chandravanshi (char *)ip_addr, 0); 3778fb734ee3SAdheer Chandravanshi } 37798cc91d42SAdheer Chandravanshi } 37808cc91d42SAdheer Chandravanshi 378113483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 378213483730SMike Christie struct dev_db_entry *fw_ddb_entry, 378313483730SMike Christie struct iscsi_cls_session *cls_sess, 378413483730SMike Christie struct iscsi_cls_conn *cls_conn) 378513483730SMike Christie { 378613483730SMike Christie int buflen = 0; 378713483730SMike Christie struct iscsi_session *sess; 3788376738afSNilesh Javali struct ddb_entry *ddb_entry; 3789946ac571SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 379013483730SMike Christie struct iscsi_conn *conn; 379113483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 379213483730SMike Christie uint16_t options = 0; 379313483730SMike Christie 379413483730SMike Christie sess = cls_sess->dd_data; 3795376738afSNilesh Javali ddb_entry = sess->dd_data; 379613483730SMike Christie conn = cls_conn->dd_data; 3797946ac571SAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 379813483730SMike Christie 3799376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 3800376738afSNilesh Javali 38018cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 380213483730SMike Christie 38038cc91d42SAdheer Chandravanshi sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); 380413483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 380513483730SMike Christie 38068cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 380713483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 38088cc91d42SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 38098cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); 381013483730SMike Christie 38118cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 38128cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 38138cc91d42SAdheer Chandravanshi } else { 38148cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); 38158cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 38168cc91d42SAdheer Chandravanshi } 38178cc91d42SAdheer Chandravanshi 38188cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 38198cc91d42SAdheer Chandravanshi (char *)ip_addr, buflen); 382013483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 382113483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 382213483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 382313483730SMike Christie (char *)ha->name_string, buflen); 3824946ac571SAdheer Chandravanshi 3825946ac571SAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 3826946ac571SAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 3827946ac571SAdheer Chandravanshi chap_tbl.secret, 3828946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx)) { 3829946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 3830946ac571SAdheer Chandravanshi (char *)chap_tbl.name, 3831946ac571SAdheer Chandravanshi strlen((char *)chap_tbl.name)); 3832946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 3833946ac571SAdheer Chandravanshi (char *)chap_tbl.secret, 3834946ac571SAdheer Chandravanshi chap_tbl.secret_len); 3835946ac571SAdheer Chandravanshi } 3836946ac571SAdheer Chandravanshi } 383713483730SMike Christie } 383813483730SMike Christie 383913483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 384013483730SMike Christie struct ddb_entry *ddb_entry) 384113483730SMike Christie { 384213483730SMike Christie struct iscsi_cls_session *cls_sess; 384313483730SMike Christie struct iscsi_cls_conn *cls_conn; 384413483730SMike Christie uint32_t ddb_state; 384513483730SMike Christie dma_addr_t fw_ddb_entry_dma; 384613483730SMike Christie struct dev_db_entry *fw_ddb_entry; 384713483730SMike Christie 384813483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 384913483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 385013483730SMike Christie if (!fw_ddb_entry) { 385113483730SMike Christie ql4_printk(KERN_ERR, ha, 385213483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 385313483730SMike Christie goto exit_session_conn_fwddb_param; 385413483730SMike Christie } 385513483730SMike Christie 385613483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 385713483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 385813483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 385913483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 386013483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 386113483730SMike Christie ha->host_no, __func__, 386213483730SMike Christie ddb_entry->fw_ddb_index)); 386313483730SMike Christie goto exit_session_conn_fwddb_param; 386413483730SMike Christie } 386513483730SMike Christie 386613483730SMike Christie cls_sess = ddb_entry->sess; 386713483730SMike Christie 386813483730SMike Christie cls_conn = ddb_entry->conn; 386913483730SMike Christie 387013483730SMike Christie /* Update params */ 387113483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 387213483730SMike Christie 387313483730SMike Christie exit_session_conn_fwddb_param: 387413483730SMike Christie if (fw_ddb_entry) 387513483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 387613483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 387713483730SMike Christie } 387813483730SMike Christie 3879b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 3880b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 3881b3a271a9SManish Rangankar { 3882b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3883b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3884b3a271a9SManish Rangankar struct iscsi_session *sess; 3885b3a271a9SManish Rangankar struct iscsi_conn *conn; 3886b3a271a9SManish Rangankar uint32_t ddb_state; 3887b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3888b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 3889b3a271a9SManish Rangankar 3890b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3891b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3892b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3893b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3894b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 389513483730SMike Christie goto exit_session_conn_param; 3896b3a271a9SManish Rangankar } 3897b3a271a9SManish Rangankar 3898b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 3899b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 3900b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 3901b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 3902b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 3903b3a271a9SManish Rangankar ha->host_no, __func__, 3904b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 390513483730SMike Christie goto exit_session_conn_param; 3906b3a271a9SManish Rangankar } 3907b3a271a9SManish Rangankar 3908b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 3909b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3910b3a271a9SManish Rangankar 3911b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 3912b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3913b3a271a9SManish Rangankar 391413483730SMike Christie /* Update timers after login */ 391513483730SMike Christie ddb_entry->default_relogin_timeout = 3916c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 3917c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 3918c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 391913483730SMike Christie ddb_entry->default_time2wait = 392013483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 392113483730SMike Christie 3922b3a271a9SManish Rangankar /* Update params */ 3923376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 39248cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 3925b3a271a9SManish Rangankar 3926b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 3927b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 392813483730SMike Christie 392913483730SMike Christie exit_session_conn_param: 393013483730SMike Christie if (fw_ddb_entry) 393113483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 393213483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 3933b3a271a9SManish Rangankar } 3934b3a271a9SManish Rangankar 3935afaf5a2dSDavid Somayajulu /* 3936afaf5a2dSDavid Somayajulu * Timer routines 3937afaf5a2dSDavid Somayajulu */ 3938afaf5a2dSDavid Somayajulu 3939afaf5a2dSDavid Somayajulu static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, 3940afaf5a2dSDavid Somayajulu unsigned long interval) 3941afaf5a2dSDavid Somayajulu { 3942afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 3943afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 3944afaf5a2dSDavid Somayajulu init_timer(&ha->timer); 3945afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 3946afaf5a2dSDavid Somayajulu ha->timer.data = (unsigned long)ha; 3947afaf5a2dSDavid Somayajulu ha->timer.function = (void (*)(unsigned long))func; 3948afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 3949afaf5a2dSDavid Somayajulu ha->timer_active = 1; 3950afaf5a2dSDavid Somayajulu } 3951afaf5a2dSDavid Somayajulu 3952afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 3953afaf5a2dSDavid Somayajulu { 3954afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 3955afaf5a2dSDavid Somayajulu ha->timer_active = 0; 3956afaf5a2dSDavid Somayajulu } 3957afaf5a2dSDavid Somayajulu 3958afaf5a2dSDavid Somayajulu /*** 3959b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 3960b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 3961afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 3962afaf5a2dSDavid Somayajulu * 3963f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 3964afaf5a2dSDavid Somayajulu **/ 3965b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 3966afaf5a2dSDavid Somayajulu { 3967b3a271a9SManish Rangankar iscsi_block_session(cls_session); 3968afaf5a2dSDavid Somayajulu } 3969afaf5a2dSDavid Somayajulu 3970f4f5df23SVikas Chaudhary /** 3971f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 3972f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 3973f4f5df23SVikas Chaudhary * 3974f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 3975f4f5df23SVikas Chaudhary **/ 3976f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 3977f4f5df23SVikas Chaudhary { 3978b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 3979f4f5df23SVikas Chaudhary } 3980f4f5df23SVikas Chaudhary 3981afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 3982afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 39838f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 3984afaf5a2dSDavid Somayajulu { 3985afaf5a2dSDavid Somayajulu struct srb *srb; 3986afaf5a2dSDavid Somayajulu 3987afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 3988afaf5a2dSDavid Somayajulu if (!srb) 3989afaf5a2dSDavid Somayajulu return srb; 3990afaf5a2dSDavid Somayajulu 399109a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 3992afaf5a2dSDavid Somayajulu srb->ha = ha; 3993afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 3994afaf5a2dSDavid Somayajulu srb->cmd = cmd; 3995afaf5a2dSDavid Somayajulu srb->flags = 0; 39965369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 3997afaf5a2dSDavid Somayajulu 3998afaf5a2dSDavid Somayajulu return srb; 3999afaf5a2dSDavid Somayajulu } 4000afaf5a2dSDavid Somayajulu 4001afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 4002afaf5a2dSDavid Somayajulu { 4003afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 4004afaf5a2dSDavid Somayajulu 4005afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 40065f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 4007afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 4008afaf5a2dSDavid Somayajulu } 40095369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 4010afaf5a2dSDavid Somayajulu } 4011afaf5a2dSDavid Somayajulu 401209a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 4013afaf5a2dSDavid Somayajulu { 401409a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 4015afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 401609a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 4017afaf5a2dSDavid Somayajulu 4018afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4019afaf5a2dSDavid Somayajulu 4020afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4021afaf5a2dSDavid Somayajulu 4022afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 4023afaf5a2dSDavid Somayajulu } 4024afaf5a2dSDavid Somayajulu 4025afaf5a2dSDavid Somayajulu /** 4026afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 40278f0722caSVikas Chaudhary * @host: scsi host 4028afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 4029afaf5a2dSDavid Somayajulu * 4030afaf5a2dSDavid Somayajulu * Remarks: 4031afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 4032afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 4033afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 4034afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 4035afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 4036afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 4037afaf5a2dSDavid Somayajulu **/ 40388f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 4039afaf5a2dSDavid Somayajulu { 40408f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 4041afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 40427fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 4043afaf5a2dSDavid Somayajulu struct srb *srb; 4044afaf5a2dSDavid Somayajulu int rval; 4045afaf5a2dSDavid Somayajulu 40462232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 40472232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 40482232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 40492232be0dSLalit Chandivade else 40502232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 40512232be0dSLalit Chandivade goto qc_fail_command; 40522232be0dSLalit Chandivade } 40532232be0dSLalit Chandivade 40547fb1921bSMike Christie if (!sess) { 40557fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 40567fb1921bSMike Christie goto qc_fail_command; 40577fb1921bSMike Christie } 40587fb1921bSMike Christie 40597fb1921bSMike Christie rval = iscsi_session_chkready(sess); 40607fb1921bSMike Christie if (rval) { 40617fb1921bSMike Christie cmd->result = rval; 40627fb1921bSMike Christie goto qc_fail_command; 40637fb1921bSMike Christie } 40647fb1921bSMike Christie 4065f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4066f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4067f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4068f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4069f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4070f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 4071b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 4072026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 40737ab284c9SNilesh Javali test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || 40747ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || 4075f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 4076477ffb9dSDavid C Somayajulu goto qc_host_busy; 4077477ffb9dSDavid C Somayajulu 40788f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 4079afaf5a2dSDavid Somayajulu if (!srb) 40808f0722caSVikas Chaudhary goto qc_host_busy; 4081afaf5a2dSDavid Somayajulu 4082afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 4083afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 4084afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 4085afaf5a2dSDavid Somayajulu 4086afaf5a2dSDavid Somayajulu return 0; 4087afaf5a2dSDavid Somayajulu 4088afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 4089afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4090afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4091afaf5a2dSDavid Somayajulu 4092afaf5a2dSDavid Somayajulu qc_host_busy: 4093afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 4094afaf5a2dSDavid Somayajulu 4095afaf5a2dSDavid Somayajulu qc_fail_command: 40968f0722caSVikas Chaudhary cmd->scsi_done(cmd); 4097afaf5a2dSDavid Somayajulu 4098afaf5a2dSDavid Somayajulu return 0; 4099afaf5a2dSDavid Somayajulu } 4100afaf5a2dSDavid Somayajulu 4101afaf5a2dSDavid Somayajulu /** 4102afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 4103afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4104afaf5a2dSDavid Somayajulu * 4105afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 4106afaf5a2dSDavid Somayajulu **/ 4107afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 4108afaf5a2dSDavid Somayajulu { 4109afaf5a2dSDavid Somayajulu if (ha->queues) 4110afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 4111afaf5a2dSDavid Somayajulu ha->queues_dma); 4112afaf5a2dSDavid Somayajulu 4113068237c8STej Parkash if (ha->fw_dump) 4114068237c8STej Parkash vfree(ha->fw_dump); 4115068237c8STej Parkash 4116afaf5a2dSDavid Somayajulu ha->queues_len = 0; 4117afaf5a2dSDavid Somayajulu ha->queues = NULL; 4118afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 4119afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 4120afaf5a2dSDavid Somayajulu ha->request_dma = 0; 4121afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 4122afaf5a2dSDavid Somayajulu ha->response_dma = 0; 4123afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 4124afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 4125068237c8STej Parkash ha->fw_dump = NULL; 4126068237c8STej Parkash ha->fw_dump_size = 0; 4127afaf5a2dSDavid Somayajulu 4128afaf5a2dSDavid Somayajulu /* Free srb pool. */ 4129afaf5a2dSDavid Somayajulu if (ha->srb_mempool) 4130afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 4131afaf5a2dSDavid Somayajulu 4132afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 4133afaf5a2dSDavid Somayajulu 4134b3a271a9SManish Rangankar if (ha->chap_dma_pool) 4135b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 4136b3a271a9SManish Rangankar 41374549415aSLalit Chandivade if (ha->chap_list) 41384549415aSLalit Chandivade vfree(ha->chap_list); 41394549415aSLalit Chandivade ha->chap_list = NULL; 41404549415aSLalit Chandivade 414113483730SMike Christie if (ha->fw_ddb_dma_pool) 414213483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 414313483730SMike Christie 4144afaf5a2dSDavid Somayajulu /* release io space registers */ 4145f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 4146f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 4147f4f5df23SVikas Chaudhary iounmap( 4148f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 4149b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 41506e7b4292SVikas Chaudhary if (ha->nx_pcibase) 41516e7b4292SVikas Chaudhary iounmap( 41526e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 41536e7b4292SVikas Chaudhary } else if (ha->reg) { 4154afaf5a2dSDavid Somayajulu iounmap(ha->reg); 41556e7b4292SVikas Chaudhary } 41566e7b4292SVikas Chaudhary 41576e7b4292SVikas Chaudhary if (ha->reset_tmplt.buff) 41586e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 41596e7b4292SVikas Chaudhary 4160afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 4161afaf5a2dSDavid Somayajulu } 4162afaf5a2dSDavid Somayajulu 4163afaf5a2dSDavid Somayajulu /** 4164afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 4165afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 4166afaf5a2dSDavid Somayajulu * 4167afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 4168afaf5a2dSDavid Somayajulu * for srbs. 4169afaf5a2dSDavid Somayajulu **/ 4170afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 4171afaf5a2dSDavid Somayajulu { 4172afaf5a2dSDavid Somayajulu unsigned long align; 4173afaf5a2dSDavid Somayajulu 4174afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 4175afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4176afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 4177afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 4178afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 4179afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 4180afaf5a2dSDavid Somayajulu ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, 4181afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 4182afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 4183c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4184afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 4185afaf5a2dSDavid Somayajulu 4186afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4187afaf5a2dSDavid Somayajulu } 4188afaf5a2dSDavid Somayajulu memset(ha->queues, 0, ha->queues_len); 4189afaf5a2dSDavid Somayajulu 4190afaf5a2dSDavid Somayajulu /* 4191afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 4192afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 4193afaf5a2dSDavid Somayajulu */ 4194afaf5a2dSDavid Somayajulu align = 0; 4195afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 4196afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 4197afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 4198afaf5a2dSDavid Somayajulu 4199afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 4200afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 4201afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 4202afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 4203afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 4204afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 4205afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4206afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4207afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 4208afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4209afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 4210afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 4211afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4212afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 4213afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 4214afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4215afaf5a2dSDavid Somayajulu 4216afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 4217afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 4218afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 4219afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 4220c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4221afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 4222afaf5a2dSDavid Somayajulu 4223afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4224afaf5a2dSDavid Somayajulu } 4225afaf5a2dSDavid Somayajulu 4226b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 4227b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 4228b3a271a9SManish Rangankar 4229b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 4230b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 4231b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 4232b3a271a9SManish Rangankar goto mem_alloc_error_exit; 4233b3a271a9SManish Rangankar } 4234b3a271a9SManish Rangankar 423513483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 423613483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 423713483730SMike Christie 423813483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 423913483730SMike Christie ql4_printk(KERN_WARNING, ha, 424013483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 424113483730SMike Christie __func__); 424213483730SMike Christie goto mem_alloc_error_exit; 424313483730SMike Christie } 424413483730SMike Christie 4245afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 4246afaf5a2dSDavid Somayajulu 4247afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 4248afaf5a2dSDavid Somayajulu qla4xxx_mem_free(ha); 4249afaf5a2dSDavid Somayajulu return QLA_ERROR; 4250afaf5a2dSDavid Somayajulu } 4251afaf5a2dSDavid Somayajulu 4252afaf5a2dSDavid Somayajulu /** 42534f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 42544f77083eSMike Hernandez * @ha: adapter block pointer. 42554f77083eSMike Hernandez * 42564f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 42574f77083eSMike Hernandez **/ 42584f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 42594f77083eSMike Hernandez { 42604f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 42614f77083eSMike Hernandez int status = QLA_SUCCESS; 42624f77083eSMike Hernandez 426333693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 42644f77083eSMike Hernandez 42654f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 42664f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 42674f77083eSMike Hernandez 42684f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 42694f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 42704f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 42714f77083eSMike Hernandez " down.\n", temp_val); 42724f77083eSMike Hernandez status = QLA_ERROR; 42734f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 42744f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 42754f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 42764f77083eSMike Hernandez " degrees C exceeds operating range." 42774f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 42784f77083eSMike Hernandez } else { 42794f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 42804f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 42814f77083eSMike Hernandez " now %d degrees C in normal range.\n", 42824f77083eSMike Hernandez temp_val); 42834f77083eSMike Hernandez } 42844f77083eSMike Hernandez ha->temperature = temp_state; 42854f77083eSMike Hernandez return status; 42864f77083eSMike Hernandez } 42874f77083eSMike Hernandez 42884f77083eSMike Hernandez /** 4289f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 4290f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4291f4f5df23SVikas Chaudhary * 4292f4f5df23SVikas Chaudhary * Context: Interrupt 4293f4f5df23SVikas Chaudhary **/ 42949ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 4295f4f5df23SVikas Chaudhary { 42969ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 42979ee91a38SShyam Sunder int status = QLA_SUCCESS; 4298f4f5df23SVikas Chaudhary 429933693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 430033693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 43012232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 43022232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 43032232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 43042232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 43052232be0dSLalit Chandivade ha->host_no, __func__)); 43069ee91a38SShyam Sunder return status; 43072232be0dSLalit Chandivade } 4308f4f5df23SVikas Chaudhary 4309f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 4310f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 4311f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 4312f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 4313f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 43146e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 43159ee91a38SShyam Sunder status = QLA_ERROR; 4316f4f5df23SVikas Chaudhary } 431799457d75SLalit Chandivade } else 431899457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 431999457d75SLalit Chandivade 4320f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 43219ee91a38SShyam Sunder return status; 4322f4f5df23SVikas Chaudhary } 4323f4f5df23SVikas Chaudhary 43246e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 43256e7b4292SVikas Chaudhary { 43266e7b4292SVikas Chaudhary uint32_t halt_status; 43276e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 43286e7b4292SVikas Chaudhary 43296e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 43306e7b4292SVikas Chaudhary 43316e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 43326e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 43336e7b4292SVikas Chaudhary __func__); 43346e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 43356e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 43366e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 43376e7b4292SVikas Chaudhary 43386e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 43396e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 43406e7b4292SVikas Chaudhary __func__); 43416e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 43426e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 4343b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 43446e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 43456e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 43466e7b4292SVikas Chaudhary __func__); 43476e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 43486e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 43496e7b4292SVikas Chaudhary } 43506e7b4292SVikas Chaudhary 43516e7b4292SVikas Chaudhary /* 43526e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 43536e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 43546e7b4292SVikas Chaudhary */ 43556e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 43566e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 43576e7b4292SVikas Chaudhary } else { 43586e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 43596e7b4292SVikas Chaudhary __func__); 43606e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 43616e7b4292SVikas Chaudhary } 43626e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 43636e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 43646e7b4292SVikas Chaudhary } 43656e7b4292SVikas Chaudhary 4366f4f5df23SVikas Chaudhary /** 4367f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 4368f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4369f4f5df23SVikas Chaudhary * 4370f4f5df23SVikas Chaudhary * Context: Interrupt 4371f4f5df23SVikas Chaudhary **/ 4372f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 4373f4f5df23SVikas Chaudhary { 43746e7b4292SVikas Chaudhary uint32_t dev_state; 43756cf94121SVikas Chaudhary uint32_t idc_ctrl; 4376f4f5df23SVikas Chaudhary 4377a083e8bcSVikas Chaudhary if (is_qla8032(ha) && 4378a083e8bcSVikas Chaudhary (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) 4379a083e8bcSVikas Chaudhary WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", 4380a083e8bcSVikas Chaudhary __func__, ha->func_num); 4381a083e8bcSVikas Chaudhary 4382f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 4383d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4384d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4385977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 438633693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 43874f77083eSMike Hernandez 43884f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 43896e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 43906e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 4391f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 4392e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 4393e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 43946e7b4292SVikas Chaudhary } 43954f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 43964f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 4397de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 4398f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 43996cf94121SVikas Chaudhary 44006cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 44016cf94121SVikas Chaudhary __func__); 44026cf94121SVikas Chaudhary 4403b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 44046cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 44056cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 44066cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 44076cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 44086cf94121SVikas Chaudhary __func__); 44096cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 44106cf94121SVikas Chaudhary ha); 44116cf94121SVikas Chaudhary } 44126cf94121SVikas Chaudhary } 44136cf94121SVikas Chaudhary 4414b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) || 44156e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 4416f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4417f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 44183930b8c1SVikas Chaudhary } 4419de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 4420f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 44213930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 44223930b8c1SVikas Chaudhary __func__); 4423f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 4424f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4425f4f5df23SVikas Chaudhary } else { 4426f4f5df23SVikas Chaudhary /* Check firmware health */ 44276e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 44286e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 4429f4f5df23SVikas Chaudhary } 4430f4f5df23SVikas Chaudhary } 4431f4f5df23SVikas Chaudhary } 4432f4f5df23SVikas Chaudhary 44334a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 443413483730SMike Christie { 443513483730SMike Christie struct iscsi_session *sess; 443613483730SMike Christie struct ddb_entry *ddb_entry; 443713483730SMike Christie struct scsi_qla_host *ha; 443813483730SMike Christie 443913483730SMike Christie sess = cls_sess->dd_data; 444013483730SMike Christie ddb_entry = sess->dd_data; 444113483730SMike Christie ha = ddb_entry->ha; 444213483730SMike Christie 444313483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 444413483730SMike Christie return; 444513483730SMike Christie 444613483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 444713483730SMike Christie !iscsi_is_session_online(cls_sess)) { 444813483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 444913483730SMike Christie INVALID_ENTRY) { 445013483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 445113483730SMike Christie 0) { 445213483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 445313483730SMike Christie INVALID_ENTRY); 445413483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 445513483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 445613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 445713483730SMike Christie "%s: index [%d] login device\n", 445813483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 445913483730SMike Christie } else 446013483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 446113483730SMike Christie } 446213483730SMike Christie } 446313483730SMike Christie 446413483730SMike Christie /* Wait for relogin to timeout */ 446513483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 446613483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 446713483730SMike Christie /* 446813483730SMike Christie * If the relogin times out and the device is 446913483730SMike Christie * still NOT ONLINE then try and relogin again. 447013483730SMike Christie */ 447113483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 447213483730SMike Christie /* Reset retry relogin timer */ 447313483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 447413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 447513483730SMike Christie "%s: index[%d] relogin timed out-retrying" 447613483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 447713483730SMike Christie ddb_entry->fw_ddb_index, 447813483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 447913483730SMike Christie ddb_entry->default_time2wait + 4)); 448013483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 448113483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 448213483730SMike Christie ddb_entry->default_time2wait + 4); 448313483730SMike Christie } 448413483730SMike Christie } 448513483730SMike Christie } 448613483730SMike Christie 4487f4f5df23SVikas Chaudhary /** 4488afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 4489afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4490afaf5a2dSDavid Somayajulu **/ 4491afaf5a2dSDavid Somayajulu static void qla4xxx_timer(struct scsi_qla_host *ha) 4492afaf5a2dSDavid Somayajulu { 4493afaf5a2dSDavid Somayajulu int start_dpc = 0; 44942232be0dSLalit Chandivade uint16_t w; 44952232be0dSLalit Chandivade 449613483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 449713483730SMike Christie 44982232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 44992232be0dSLalit Chandivade * skip any processing and reschedule the timer 45002232be0dSLalit Chandivade */ 45012232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 45022232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 45032232be0dSLalit Chandivade return; 45042232be0dSLalit Chandivade } 45052232be0dSLalit Chandivade 45062232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 45072232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 45082232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 4509afaf5a2dSDavid Somayajulu 45106e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 4511f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 4512f4f5df23SVikas Chaudhary 4513ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 4514afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 4515afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 4516afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 4517afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 4518afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 4519afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 4520afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 4521afaf5a2dSDavid Somayajulu } 4522f4f5df23SVikas Chaudhary } 4523afaf5a2dSDavid Somayajulu 4524ff884430SVikas Chaudhary /* Process any deferred work. */ 4525ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 4526ff884430SVikas Chaudhary start_dpc++; 4527ff884430SVikas Chaudhary 4528afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 45291b46807eSLalit Chandivade if (start_dpc || 4530afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4531afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 4532afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 4533f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 4534afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4535afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 4536065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 4537f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4538f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 45391b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 4540afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 4541afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 4542afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 4543f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4544afaf5a2dSDavid Somayajulu } 4545afaf5a2dSDavid Somayajulu 4546afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 4547afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 4548afaf5a2dSDavid Somayajulu 4549afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 4550afaf5a2dSDavid Somayajulu } 4551afaf5a2dSDavid Somayajulu 4552afaf5a2dSDavid Somayajulu /** 4553afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 4554afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4555afaf5a2dSDavid Somayajulu * 4556afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 4557afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 4558afaf5a2dSDavid Somayajulu **/ 4559afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 4560afaf5a2dSDavid Somayajulu { 4561afaf5a2dSDavid Somayajulu uint32_t index = 0; 4562afaf5a2dSDavid Somayajulu unsigned long flags; 4563afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 4564afaf5a2dSDavid Somayajulu 4565f4f5df23SVikas Chaudhary unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ); 4566f4f5df23SVikas Chaudhary 4567f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to " 4568f4f5df23SVikas Chaudhary "complete\n", WAIT_CMD_TOV)); 4569f4f5df23SVikas Chaudhary 4570f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 4571afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4572afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 4573afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 4574afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 4575a1e0063dSMike Christie /* 4576a1e0063dSMike Christie * We cannot just check if the index is valid, 4577a1e0063dSMike Christie * becase if we are run from the scsi eh, then 4578a1e0063dSMike Christie * the scsi/block layer is going to prevent 4579a1e0063dSMike Christie * the tag from being released. 4580a1e0063dSMike Christie */ 4581a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 4582afaf5a2dSDavid Somayajulu break; 4583afaf5a2dSDavid Somayajulu } 4584afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4585afaf5a2dSDavid Somayajulu 4586afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 4587f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 4588f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4589afaf5a2dSDavid Somayajulu 4590afaf5a2dSDavid Somayajulu msleep(1000); 4591afaf5a2dSDavid Somayajulu } 4592f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 4593f4f5df23SVikas Chaudhary * return ERROR. */ 4594f4f5df23SVikas Chaudhary return QLA_ERROR; 4595afaf5a2dSDavid Somayajulu } 4596afaf5a2dSDavid Somayajulu 4597f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 4598afaf5a2dSDavid Somayajulu { 4599afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 4600477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4601477ffb9dSDavid C Somayajulu 4602477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 4603afaf5a2dSDavid Somayajulu 4604f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 4605f4f5df23SVikas Chaudhary return QLA_ERROR; 4606f4f5df23SVikas Chaudhary 4607afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4608afaf5a2dSDavid Somayajulu 4609afaf5a2dSDavid Somayajulu /* 4610afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 4611afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 4612afaf5a2dSDavid Somayajulu */ 4613afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4614afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 4615afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4616afaf5a2dSDavid Somayajulu 4617afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 4618afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 4619afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4620afaf5a2dSDavid Somayajulu 4621afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4622f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4623477ffb9dSDavid C Somayajulu } 4624477ffb9dSDavid C Somayajulu 4625477ffb9dSDavid C Somayajulu /** 4626477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 4627477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 4628477ffb9dSDavid C Somayajulu **/ 4629477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 4630477ffb9dSDavid C Somayajulu { 4631477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 4632477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4633f931c534SVikas Chaudhary int status; 4634477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 4635477ffb9dSDavid C Somayajulu 4636f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 4637f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 4638f931c534SVikas Chaudhary return status; 4639afaf5a2dSDavid Somayajulu 4640f931c534SVikas Chaudhary status = QLA_ERROR; 4641afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 4642afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 4643afaf5a2dSDavid Somayajulu do { 4644afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4645afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4646afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4647afaf5a2dSDavid Somayajulu 4648afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 4649afaf5a2dSDavid Somayajulu break; 4650afaf5a2dSDavid Somayajulu 4651afaf5a2dSDavid Somayajulu msleep(1000); 4652afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4653afaf5a2dSDavid Somayajulu 4654afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 4655afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 4656afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 4657afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 4658afaf5a2dSDavid Somayajulu ha->host_no)); 4659afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4660afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 4661afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4662afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4663afaf5a2dSDavid Somayajulu } 4664afaf5a2dSDavid Somayajulu 4665afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4666afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4667afaf5a2dSDavid Somayajulu do { 4668afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4669afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4670afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4671afaf5a2dSDavid Somayajulu 4672afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 4673afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4674afaf5a2dSDavid Somayajulu break; 4675afaf5a2dSDavid Somayajulu } 4676afaf5a2dSDavid Somayajulu 4677afaf5a2dSDavid Somayajulu msleep(1000); 4678afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4679afaf5a2dSDavid Somayajulu 4680afaf5a2dSDavid Somayajulu /* 4681afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 4682afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 4683afaf5a2dSDavid Somayajulu */ 4684afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4685afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4686afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 4687afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4688afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4689afaf5a2dSDavid Somayajulu } 4690afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4691afaf5a2dSDavid Somayajulu 4692afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 4693afaf5a2dSDavid Somayajulu * function is also enabled. 4694afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 4695afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 4696afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 4697afaf5a2dSDavid Somayajulu */ 4698afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 4699afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 4700afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4701afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 4702afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4703afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4704afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4705afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4706afaf5a2dSDavid Somayajulu do { 4707afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4708afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4709afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4710afaf5a2dSDavid Somayajulu 4711afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 4712afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4713afaf5a2dSDavid Somayajulu break; 4714afaf5a2dSDavid Somayajulu } 4715afaf5a2dSDavid Somayajulu 4716afaf5a2dSDavid Somayajulu msleep(1000); 4717afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4718afaf5a2dSDavid Somayajulu } 4719afaf5a2dSDavid Somayajulu 4720afaf5a2dSDavid Somayajulu return status; 4721afaf5a2dSDavid Somayajulu } 4722afaf5a2dSDavid Somayajulu 4723afaf5a2dSDavid Somayajulu /** 4724f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 4725afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4726f4f5df23SVikas Chaudhary * @res: returned scsi status 4727afaf5a2dSDavid Somayajulu * 4728afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 4729afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 4730afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 4731afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 4732afaf5a2dSDavid Somayajulu **/ 4733f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 4734afaf5a2dSDavid Somayajulu { 4735afaf5a2dSDavid Somayajulu struct srb *srb; 4736afaf5a2dSDavid Somayajulu int i; 4737afaf5a2dSDavid Somayajulu unsigned long flags; 4738afaf5a2dSDavid Somayajulu 4739afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4740afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 4741afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 4742afaf5a2dSDavid Somayajulu if (srb != NULL) { 4743f4f5df23SVikas Chaudhary srb->cmd->result = res; 474409a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 4745afaf5a2dSDavid Somayajulu } 4746afaf5a2dSDavid Somayajulu } 4747afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4748afaf5a2dSDavid Somayajulu } 4749afaf5a2dSDavid Somayajulu 4750f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 4751f4f5df23SVikas Chaudhary { 4752f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 4753f4f5df23SVikas Chaudhary 4754f4f5df23SVikas Chaudhary /* Disable the board */ 4755f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 4756f4f5df23SVikas Chaudhary 4757f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 4758f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 4759f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 4760f4f5df23SVikas Chaudhary } 4761f4f5df23SVikas Chaudhary 4762b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 4763b3a271a9SManish Rangankar { 4764b3a271a9SManish Rangankar struct iscsi_session *sess; 4765b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4766b3a271a9SManish Rangankar 4767b3a271a9SManish Rangankar sess = cls_session->dd_data; 4768b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4769b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 477013483730SMike Christie 477113483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 477213483730SMike Christie iscsi_block_session(ddb_entry->sess); 477313483730SMike Christie else 477413483730SMike Christie iscsi_session_failure(cls_session->dd_data, 477513483730SMike Christie ISCSI_ERR_CONN_FAILED); 4776b3a271a9SManish Rangankar } 4777b3a271a9SManish Rangankar 4778afaf5a2dSDavid Somayajulu /** 4779afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 4780afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4781afaf5a2dSDavid Somayajulu **/ 4782f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 4783afaf5a2dSDavid Somayajulu { 4784f4f5df23SVikas Chaudhary int status = QLA_ERROR; 4785f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 47868e0f3a66SSarang Radke uint32_t dev_state; 47879ee91a38SShyam Sunder unsigned long wait; 4788afaf5a2dSDavid Somayajulu 4789afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 4790f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 4791afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 4792b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 479350a29aecSMike Christie 4794f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 4795afaf5a2dSDavid Somayajulu 4796f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4797afaf5a2dSDavid Somayajulu 4798b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 4799546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4800546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 4801546fef27STej Parkash __func__); 4802546fef27STej Parkash /* disable pause frame for ISP83xx */ 4803546fef27STej Parkash qla4_83xx_disable_pause(ha); 4804546fef27STej Parkash } 4805546fef27STej Parkash 4806b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 4807b3a271a9SManish Rangankar 4808f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 4809f4f5df23SVikas Chaudhary reset_chip = 1; 4810afaf5a2dSDavid Somayajulu 4811f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 4812f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 4813f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4814f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 4815f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 4816afaf5a2dSDavid Somayajulu } 4817afaf5a2dSDavid Somayajulu 48186e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 4819f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 48206e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 4821f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4822f4f5df23SVikas Chaudhary 4823f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4824f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 4825f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4826f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 4827f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 48282bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4829f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 48305c19b92aSVikas Chaudhary 4831f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 4832f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4833f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4834f4f5df23SVikas Chaudhary } else { 4835f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 4836f4f5df23SVikas Chaudhary * reset the entire chip */ 4837f4f5df23SVikas Chaudhary reset_chip = 1; 4838f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4839f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4840f4f5df23SVikas Chaudhary } 4841f4f5df23SVikas Chaudhary } 4842f4f5df23SVikas Chaudhary 4843f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 48446e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 4845f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 4846ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 4847ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 48489ee91a38SShyam Sunder goto chip_reset; 48499ee91a38SShyam Sunder 48506e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 48519ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 48529ee91a38SShyam Sunder * detection only */ 48539ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 48549ee91a38SShyam Sunder goto chip_reset; 48559ee91a38SShyam Sunder 48569ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 48579ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 48589ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 48599ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 48609ee91a38SShyam Sunder break; 48619ee91a38SShyam Sunder } 48629ee91a38SShyam Sunder 48639ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 48649ee91a38SShyam Sunder schedule_timeout(HZ); 48659ee91a38SShyam Sunder } 4866da106212SVikas Chaudhary chip_reset: 48672bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4868f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 4869da106212SVikas Chaudhary 4870f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4871f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4872f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4873f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 4874f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4875f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 4876f4f5df23SVikas Chaudhary } 4877f4f5df23SVikas Chaudhary 4878f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 4879f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4880f4f5df23SVikas Chaudhary 4881f4f5df23SVikas Chaudhary recover_ha_init_adapter: 4882f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 4883f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4884f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 4885f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 4886f4f5df23SVikas Chaudhary * stepping on top of the other */ 4887ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 4888f4f5df23SVikas Chaudhary ssleep(6); 4889f4f5df23SVikas Chaudhary 4890f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 4891f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 489213483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 489337418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 489437418cc6SNilesh Javali status = qla4_8xxx_check_init_adapter_retry(ha); 489537418cc6SNilesh Javali if (status == QLA_ERROR) { 489637418cc6SNilesh Javali ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", 489737418cc6SNilesh Javali ha->host_no, __func__); 489837418cc6SNilesh Javali qla4xxx_dead_adapter_cleanup(ha); 489937418cc6SNilesh Javali clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 490037418cc6SNilesh Javali clear_bit(DPC_RESET_HA, &ha->dpc_flags); 490137418cc6SNilesh Javali clear_bit(DPC_RESET_HA_FW_CONTEXT, 490237418cc6SNilesh Javali &ha->dpc_flags); 490337418cc6SNilesh Javali goto exit_recover; 490437418cc6SNilesh Javali } 490537418cc6SNilesh Javali } 4906f4f5df23SVikas Chaudhary } 4907f4f5df23SVikas Chaudhary 4908f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 4909f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 4910f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 4911f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 4912f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4913afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 4914f4f5df23SVikas Chaudhary * resetting the ha. 4915f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 4916f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 4917f4f5df23SVikas Chaudhary * utilize DPC to retry */ 49186e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 491933693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 492033693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 492133693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 492233693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4923de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 49248e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 49258e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 49268e0f3a66SSarang Radke "state\n", __func__); 49278e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 49288e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 49298e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 49308e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 49318e0f3a66SSarang Radke &ha->dpc_flags); 49328e0f3a66SSarang Radke status = QLA_ERROR; 49338e0f3a66SSarang Radke 49348e0f3a66SSarang Radke goto exit_recover; 49358e0f3a66SSarang Radke } 49368e0f3a66SSarang Radke } 49378e0f3a66SSarang Radke 4938afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 4939afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 4940afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 4941afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 4942afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4943afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4944afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4945afaf5a2dSDavid Somayajulu } else { 4946afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 4947afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 4948afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 4949afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 4950afaf5a2dSDavid Somayajulu "retry remaining %d\n", 4951afaf5a2dSDavid Somayajulu ha->host_no, 4952afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4953afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4954afaf5a2dSDavid Somayajulu } 4955afaf5a2dSDavid Somayajulu 4956afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 4957afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 4958afaf5a2dSDavid Somayajulu * Adapter DEAD */ 4959afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 4960afaf5a2dSDavid Somayajulu "failed - board disabled\n", 4961afaf5a2dSDavid Somayajulu ha->host_no)); 4962f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 4963afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4964afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 4965f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 4966afaf5a2dSDavid Somayajulu &ha->dpc_flags); 4967afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4968afaf5a2dSDavid Somayajulu } 4969afaf5a2dSDavid Somayajulu } 4970afaf5a2dSDavid Somayajulu } else { 4971afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 4972f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4973afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4974afaf5a2dSDavid Somayajulu } 4975afaf5a2dSDavid Somayajulu 49768e0f3a66SSarang Radke exit_recover: 4977afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 4978afaf5a2dSDavid Somayajulu 4979f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 4980f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 4981afaf5a2dSDavid Somayajulu 4982f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 4983f4f5df23SVikas Chaudhary 4984f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4985f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 498625985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 4987f4f5df23SVikas Chaudhary 4988afaf5a2dSDavid Somayajulu return status; 4989afaf5a2dSDavid Somayajulu } 4990afaf5a2dSDavid Somayajulu 4991b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 4992b3a271a9SManish Rangankar { 4993b3a271a9SManish Rangankar struct iscsi_session *sess; 4994b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4995b3a271a9SManish Rangankar struct scsi_qla_host *ha; 4996b3a271a9SManish Rangankar 4997b3a271a9SManish Rangankar sess = cls_session->dd_data; 4998b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4999b3a271a9SManish Rangankar ha = ddb_entry->ha; 5000b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 5001b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 5002b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 5003b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 5004b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 5005b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 5006b3a271a9SManish Rangankar } else { 5007b3a271a9SManish Rangankar /* Trigger relogin */ 500813483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 500999c6a33bSAdheer Chandravanshi if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || 501099c6a33bSAdheer Chandravanshi test_bit(DF_DISABLE_RELOGIN, 501199c6a33bSAdheer Chandravanshi &ddb_entry->flags))) 501213483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 501313483730SMike Christie } else 5014b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 5015b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 5016b3a271a9SManish Rangankar } 5017b3a271a9SManish Rangankar } 5018b3a271a9SManish Rangankar } 5019b3a271a9SManish Rangankar 502013483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 502113483730SMike Christie { 502213483730SMike Christie struct iscsi_session *sess; 502313483730SMike Christie struct ddb_entry *ddb_entry; 502413483730SMike Christie struct scsi_qla_host *ha; 502513483730SMike Christie 502613483730SMike Christie sess = cls_session->dd_data; 502713483730SMike Christie ddb_entry = sess->dd_data; 502813483730SMike Christie ha = ddb_entry->ha; 502913483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 503013483730SMike Christie " unblock session\n", ha->host_no, __func__, 503113483730SMike Christie ddb_entry->fw_ddb_index); 503213483730SMike Christie 503313483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 503413483730SMike Christie 503513483730SMike Christie /* Start scan target */ 503613483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 503713483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 503813483730SMike Christie " start scan\n", ha->host_no, __func__, 503913483730SMike Christie ddb_entry->fw_ddb_index); 504013483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 504113483730SMike Christie } 504213483730SMike Christie return QLA_SUCCESS; 504313483730SMike Christie } 504413483730SMike Christie 504513483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 504613483730SMike Christie { 504713483730SMike Christie struct iscsi_session *sess; 504813483730SMike Christie struct ddb_entry *ddb_entry; 504913483730SMike Christie struct scsi_qla_host *ha; 505080c53e64SManish Rangankar int status = QLA_SUCCESS; 505113483730SMike Christie 505213483730SMike Christie sess = cls_session->dd_data; 505313483730SMike Christie ddb_entry = sess->dd_data; 505413483730SMike Christie ha = ddb_entry->ha; 505513483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 505613483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 505713483730SMike Christie ddb_entry->fw_ddb_index); 505880c53e64SManish Rangankar 505980c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 506013483730SMike Christie iscsi_conn_start(ddb_entry->conn); 506113483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 506213483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 506380c53e64SManish Rangankar } else { 506480c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 506580c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 506680c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 506780c53e64SManish Rangankar cls_session->sid); 506880c53e64SManish Rangankar status = QLA_ERROR; 506980c53e64SManish Rangankar } 507013483730SMike Christie 507180c53e64SManish Rangankar return status; 507213483730SMike Christie } 507313483730SMike Christie 50742d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 50752d7924e6SVikas Chaudhary { 5076b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 50772d7924e6SVikas Chaudhary } 50782d7924e6SVikas Chaudhary 507913483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 508013483730SMike Christie { 508113483730SMike Christie uint16_t relogin_timer; 508213483730SMike Christie struct iscsi_session *sess; 508313483730SMike Christie struct ddb_entry *ddb_entry; 508413483730SMike Christie struct scsi_qla_host *ha; 508513483730SMike Christie 508613483730SMike Christie sess = cls_sess->dd_data; 508713483730SMike Christie ddb_entry = sess->dd_data; 508813483730SMike Christie ha = ddb_entry->ha; 508913483730SMike Christie 509013483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 509113483730SMike Christie (uint16_t)RELOGIN_TOV); 509213483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 509313483730SMike Christie 509413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 509513483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 509613483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 509713483730SMike Christie 509813483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 509913483730SMike Christie } 510013483730SMike Christie 510113483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 510213483730SMike Christie { 510313483730SMike Christie struct iscsi_session *sess; 510413483730SMike Christie struct ddb_entry *ddb_entry; 510513483730SMike Christie struct scsi_qla_host *ha; 510613483730SMike Christie 510713483730SMike Christie sess = cls_sess->dd_data; 510813483730SMike Christie ddb_entry = sess->dd_data; 510913483730SMike Christie ha = ddb_entry->ha; 511013483730SMike Christie 511113483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 511213483730SMike Christie return; 511313483730SMike Christie 511499c6a33bSAdheer Chandravanshi if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 511599c6a33bSAdheer Chandravanshi return; 511699c6a33bSAdheer Chandravanshi 511713483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 511813483730SMike Christie !iscsi_is_session_online(cls_sess)) { 511913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 512013483730SMike Christie "relogin issued\n")); 512113483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 512213483730SMike Christie } 512313483730SMike Christie } 512413483730SMike Christie 5125f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 5126f4f5df23SVikas Chaudhary { 51271b46807eSLalit Chandivade if (ha->dpc_thread) 5128f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 5129f4f5df23SVikas Chaudhary } 5130f4f5df23SVikas Chaudhary 5131ff884430SVikas Chaudhary static struct qla4_work_evt * 5132ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 5133ff884430SVikas Chaudhary enum qla4_work_type type) 5134ff884430SVikas Chaudhary { 5135ff884430SVikas Chaudhary struct qla4_work_evt *e; 5136ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 5137ff884430SVikas Chaudhary 5138ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 5139ff884430SVikas Chaudhary if (!e) 5140ff884430SVikas Chaudhary return NULL; 5141ff884430SVikas Chaudhary 5142ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 5143ff884430SVikas Chaudhary e->type = type; 5144ff884430SVikas Chaudhary return e; 5145ff884430SVikas Chaudhary } 5146ff884430SVikas Chaudhary 5147ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 5148ff884430SVikas Chaudhary struct qla4_work_evt *e) 5149ff884430SVikas Chaudhary { 5150ff884430SVikas Chaudhary unsigned long flags; 5151ff884430SVikas Chaudhary 5152ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5153ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 5154ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5155ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 5156ff884430SVikas Chaudhary } 5157ff884430SVikas Chaudhary 5158ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 5159ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 5160ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 5161ff884430SVikas Chaudhary { 5162ff884430SVikas Chaudhary struct qla4_work_evt *e; 5163ff884430SVikas Chaudhary 5164ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 5165ff884430SVikas Chaudhary if (!e) 5166ff884430SVikas Chaudhary return QLA_ERROR; 5167ff884430SVikas Chaudhary 5168ff884430SVikas Chaudhary e->u.aen.code = aen_code; 5169ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 5170ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 5171ff884430SVikas Chaudhary 5172ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 5173ff884430SVikas Chaudhary 5174ff884430SVikas Chaudhary return QLA_SUCCESS; 5175ff884430SVikas Chaudhary } 5176ff884430SVikas Chaudhary 5177c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 5178c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 5179c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 5180c0b9d3f7SVikas Chaudhary { 5181c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 5182c0b9d3f7SVikas Chaudhary 5183c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 5184c0b9d3f7SVikas Chaudhary if (!e) 5185c0b9d3f7SVikas Chaudhary return QLA_ERROR; 5186c0b9d3f7SVikas Chaudhary 5187c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 5188c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 5189c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 5190c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 5191c0b9d3f7SVikas Chaudhary 5192c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 5193c0b9d3f7SVikas Chaudhary 5194c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 5195c0b9d3f7SVikas Chaudhary } 5196c0b9d3f7SVikas Chaudhary 5197a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 5198ff884430SVikas Chaudhary { 5199ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 5200ff884430SVikas Chaudhary unsigned long flags; 5201ff884430SVikas Chaudhary LIST_HEAD(work); 5202ff884430SVikas Chaudhary 5203ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5204ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 5205ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5206ff884430SVikas Chaudhary 5207ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 5208ff884430SVikas Chaudhary list_del_init(&e->list); 5209ff884430SVikas Chaudhary 5210ff884430SVikas Chaudhary switch (e->type) { 5211ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 5212ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 5213ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 5214ff884430SVikas Chaudhary e->u.aen.code, 5215ff884430SVikas Chaudhary e->u.aen.data_size, 5216ff884430SVikas Chaudhary e->u.aen.data); 5217ff884430SVikas Chaudhary break; 5218c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 5219c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 5220c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 5221c0b9d3f7SVikas Chaudhary e->u.ping.status, 5222c0b9d3f7SVikas Chaudhary e->u.ping.pid, 5223c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 5224c0b9d3f7SVikas Chaudhary e->u.ping.data); 5225c0b9d3f7SVikas Chaudhary break; 5226ff884430SVikas Chaudhary default: 5227ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 5228ff884430SVikas Chaudhary "supported", e->type); 5229ff884430SVikas Chaudhary } 5230ff884430SVikas Chaudhary kfree(e); 5231ff884430SVikas Chaudhary } 5232ff884430SVikas Chaudhary } 5233ff884430SVikas Chaudhary 5234afaf5a2dSDavid Somayajulu /** 5235afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 5236afaf5a2dSDavid Somayajulu * @data: in our case pointer to adapter structure 5237afaf5a2dSDavid Somayajulu * 5238afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 5239afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 5240afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 5241afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 5242afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 5243afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 5244afaf5a2dSDavid Somayajulu **/ 5245c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 5246afaf5a2dSDavid Somayajulu { 5247c4028958SDavid Howells struct scsi_qla_host *ha = 5248c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 5249477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 5250afaf5a2dSDavid Somayajulu 5251f26b9044SDavid C Somayajulu DEBUG2(printk("scsi%ld: %s: DPC handler waking up." 5252f4f5df23SVikas Chaudhary "flags = 0x%08lx, dpc_flags = 0x%08lx\n", 5253f4f5df23SVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)) 5254afaf5a2dSDavid Somayajulu 5255afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 5256afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 52571b46807eSLalit Chandivade return; 5258afaf5a2dSDavid Somayajulu 52592232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 52602232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 52612232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 52621b46807eSLalit Chandivade return; 52632232be0dSLalit Chandivade } 52642232be0dSLalit Chandivade 5265ff884430SVikas Chaudhary /* post events to application */ 5266ff884430SVikas Chaudhary qla4xxx_do_work(ha); 5267ff884430SVikas Chaudhary 52686e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 5269f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 5270b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 5271546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 5272546fef27STej Parkash __func__); 5273546fef27STej Parkash /* disable pause frame for ISP83xx */ 5274546fef27STej Parkash qla4_83xx_disable_pause(ha); 5275546fef27STej Parkash } 5276546fef27STej Parkash 527733693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 527833693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 5279de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 528033693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5281f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 5282f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 5283f4f5df23SVikas Chaudhary } 5284320a61deSNilesh Javali 52857ab284c9SNilesh Javali if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { 52867ab284c9SNilesh Javali if (is_qla8042(ha)) { 52877ab284c9SNilesh Javali if (ha->idc_info.info2 & 52887ab284c9SNilesh Javali ENABLE_INTERNAL_LOOPBACK) { 52897ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", 52907ab284c9SNilesh Javali __func__); 52917ab284c9SNilesh Javali status = qla4_84xx_config_acb(ha, 52927ab284c9SNilesh Javali ACB_CONFIG_DISABLE); 52937ab284c9SNilesh Javali if (status != QLA_SUCCESS) { 52947ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", 52957ab284c9SNilesh Javali __func__); 52967ab284c9SNilesh Javali } 52977ab284c9SNilesh Javali } 52987ab284c9SNilesh Javali } 5299320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 53007ab284c9SNilesh Javali clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); 53017ab284c9SNilesh Javali } 53027ab284c9SNilesh Javali 53037ab284c9SNilesh Javali if (is_qla8042(ha) && 53047ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { 53057ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", 53067ab284c9SNilesh Javali __func__); 53077ab284c9SNilesh Javali if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != 53087ab284c9SNilesh Javali QLA_SUCCESS) { 53097ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", 53107ab284c9SNilesh Javali __func__); 53117ab284c9SNilesh Javali } 53127ab284c9SNilesh Javali clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); 53137ab284c9SNilesh Javali } 5314320a61deSNilesh Javali 5315f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 5316f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 5317f4f5df23SVikas Chaudhary } 5318f4f5df23SVikas Chaudhary } 5319f4f5df23SVikas Chaudhary 5320f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 5321f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 5322afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 5323f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 53246e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 5325b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 5326b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 5327f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 5328f4f5df23SVikas Chaudhary ha->host_no, __func__)); 5329f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5330f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5331f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5332f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 5333f4f5df23SVikas Chaudhary } 5334f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 5335f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 5336f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 5337afaf5a2dSDavid Somayajulu 5338477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 5339afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 5340afaf5a2dSDavid Somayajulu 5341afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 5342afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 5343afaf5a2dSDavid Somayajulu if (--wait_time == 0) 5344afaf5a2dSDavid Somayajulu break; 5345afaf5a2dSDavid Somayajulu msleep(1000); 5346afaf5a2dSDavid Somayajulu } 5347afaf5a2dSDavid Somayajulu if (wait_time == 0) 5348afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 5349afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 5350afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 5351f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 5352477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 5353477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 5354f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 5355477ffb9dSDavid C Somayajulu } 5356477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5357477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 5358f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5359afaf5a2dSDavid Somayajulu } 5360afaf5a2dSDavid Somayajulu } 5361afaf5a2dSDavid Somayajulu 5362f4f5df23SVikas Chaudhary dpc_post_reset_ha: 5363afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 5364afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 5365afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 5366afaf5a2dSDavid Somayajulu 5367afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 5368afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 5369afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 5370afaf5a2dSDavid Somayajulu 537113483730SMike Christie /* ---- relogin device? --- */ 537213483730SMike Christie if (adapter_up(ha) && 537313483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 537413483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 537513483730SMike Christie } 537613483730SMike Christie 5377065aa1b4SVikas Chaudhary /* ---- link change? --- */ 5378026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 5379026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 5380065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 5381065aa1b4SVikas Chaudhary /* ---- link down? --- */ 53822d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 5383065aa1b4SVikas Chaudhary } else { 5384065aa1b4SVikas Chaudhary /* ---- link up? --- * 5385065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 5386065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 5387065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 5388065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 5389065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 539013483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 539113483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 539213483730SMike Christie iscsi_host_for_each_session(ha->host, 539313483730SMike Christie qla4xxx_login_flash_ddb); 539413483730SMike Christie } else 53952d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 5396065aa1b4SVikas Chaudhary } 5397065aa1b4SVikas Chaudhary } 5398afaf5a2dSDavid Somayajulu } 5399afaf5a2dSDavid Somayajulu 5400afaf5a2dSDavid Somayajulu /** 5401afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 5402afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5403afaf5a2dSDavid Somayajulu **/ 5404afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 5405afaf5a2dSDavid Somayajulu { 54068a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 5407afaf5a2dSDavid Somayajulu 5408afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 5409f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 5410afaf5a2dSDavid Somayajulu 5411d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 5412d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 5413d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 5414d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 5415d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 54167664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 54177664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 5418b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 5419fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 5420fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 5421d9e62e51SVikas Chaudhary } 5422d9e62e51SVikas Chaudhary 5423afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 5424afaf5a2dSDavid Somayajulu if (ha->timer_active) 5425afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 5426afaf5a2dSDavid Somayajulu 5427f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 5428f4f5df23SVikas Chaudhary if (ha->dpc_thread) 5429f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 5430f4f5df23SVikas Chaudhary 5431b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 5432b3a271a9SManish Rangankar if (ha->task_wq) 5433b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 5434b3a271a9SManish Rangankar 5435f4f5df23SVikas Chaudhary /* Put firmware in known state */ 5436f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 5437f4f5df23SVikas Chaudhary 54386e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 543933693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 5440f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 544133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5442f4f5df23SVikas Chaudhary } 5443f4f5df23SVikas Chaudhary 5444afaf5a2dSDavid Somayajulu /* Detach interrupts */ 5445f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 5446afaf5a2dSDavid Somayajulu 5447bee4fe8eSDavid C Somayajulu /* free extra memory */ 5448bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 5449f4f5df23SVikas Chaudhary } 5450bee4fe8eSDavid C Somayajulu 5451f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 5452f4f5df23SVikas Chaudhary { 5453f4f5df23SVikas Chaudhary int status = 0; 5454f4f5df23SVikas Chaudhary unsigned long mem_base, mem_len, db_base, db_len; 5455f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 5456afaf5a2dSDavid Somayajulu 5457f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 5458f4f5df23SVikas Chaudhary if (status) { 5459f4f5df23SVikas Chaudhary printk(KERN_WARNING 5460f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 5461f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 5462f4f5df23SVikas Chaudhary goto iospace_error_exit; 5463f4f5df23SVikas Chaudhary } 5464f4f5df23SVikas Chaudhary 5465f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 54667d7311c4SSergei Shtylyov __func__, pdev->revision)); 54677d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 5468f4f5df23SVikas Chaudhary 5469f4f5df23SVikas Chaudhary /* remap phys address */ 5470f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 5471f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 5472f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 5473f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 5474f4f5df23SVikas Chaudhary 5475f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 5476f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 5477f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 5478f4f5df23SVikas Chaudhary printk(KERN_ERR 5479f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 5480f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 5481f4f5df23SVikas Chaudhary goto iospace_error_exit; 5482f4f5df23SVikas Chaudhary } 5483f4f5df23SVikas Chaudhary 5484f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 5485f4f5df23SVikas Chaudhary 5486f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 54876e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 54886e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 54896e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 54906e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 54916e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 54926e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 5493b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 54946e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 54956e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 54966e7b4292SVikas Chaudhary } 5497f4f5df23SVikas Chaudhary 5498f4f5df23SVikas Chaudhary db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ 5499f4f5df23SVikas Chaudhary db_len = pci_resource_len(pdev, 4); 5500f4f5df23SVikas Chaudhary 55012657c800SShyam Sundar return 0; 5502f4f5df23SVikas Chaudhary iospace_error_exit: 5503f4f5df23SVikas Chaudhary return -ENOMEM; 5504afaf5a2dSDavid Somayajulu } 5505afaf5a2dSDavid Somayajulu 5506afaf5a2dSDavid Somayajulu /*** 5507afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 5508afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5509afaf5a2dSDavid Somayajulu * 5510afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 5511afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 5512afaf5a2dSDavid Somayajulu **/ 5513f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 5514afaf5a2dSDavid Somayajulu { 5515afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 5516afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 5517afaf5a2dSDavid Somayajulu 5518afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 5519afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 5520afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 5521afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 5522afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 5523c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5524afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 5525afaf5a2dSDavid Somayajulu pio = 0; 5526afaf5a2dSDavid Somayajulu } 5527afaf5a2dSDavid Somayajulu } else { 5528c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 5529afaf5a2dSDavid Somayajulu pio = 0; 5530afaf5a2dSDavid Somayajulu } 5531afaf5a2dSDavid Somayajulu 5532afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 5533afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 5534afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 5535afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 5536afaf5a2dSDavid Somayajulu 5537afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 5538c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5539afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 5540afaf5a2dSDavid Somayajulu 5541afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5542afaf5a2dSDavid Somayajulu } 5543c2660df3SVikas Chaudhary 5544afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 5545c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5546afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 5547afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5548afaf5a2dSDavid Somayajulu } 5549afaf5a2dSDavid Somayajulu 5550afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 5551c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5552afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 5553afaf5a2dSDavid Somayajulu 5554afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5555afaf5a2dSDavid Somayajulu } 5556afaf5a2dSDavid Somayajulu 5557afaf5a2dSDavid Somayajulu ha->pio_address = pio; 5558afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 5559afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 5560afaf5a2dSDavid Somayajulu if (!ha->reg) { 5561c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5562afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 5563afaf5a2dSDavid Somayajulu 5564afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5565afaf5a2dSDavid Somayajulu } 5566afaf5a2dSDavid Somayajulu 5567afaf5a2dSDavid Somayajulu return 0; 5568afaf5a2dSDavid Somayajulu 5569afaf5a2dSDavid Somayajulu iospace_error_exit: 5570afaf5a2dSDavid Somayajulu return -ENOMEM; 5571afaf5a2dSDavid Somayajulu } 5572afaf5a2dSDavid Somayajulu 5573f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 5574f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 5575f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 5576f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 5577f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 5578f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 5579f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 5580f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 5581f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 5582f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 5583f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 5584f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 5585f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5586f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 5587f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 558833693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 558933693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 5590f4f5df23SVikas Chaudhary }; 5591f4f5df23SVikas Chaudhary 55927664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 5593f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 5594f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 5595f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 5596f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 5597f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 559833693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 5599f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 5600f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 560133693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 5602f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 5603f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 5604f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 5605f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 5606f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 5607f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 5608f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 560933693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 561033693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 561133693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 561233693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 561333693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 561433693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 561533693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 561633693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 561733693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 5618f4f5df23SVikas Chaudhary }; 5619f4f5df23SVikas Chaudhary 56206e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 56216e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 56226e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 56236e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 56246e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 56256e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 56266e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 56276e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 56286e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 56296e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 56306e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 56316e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 56326e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 56336e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 5634a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5635a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 56366e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 56376e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 56386e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 56396e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 56406e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 56416e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 56426e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 56436e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 56446e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 56456e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 5646f4f5df23SVikas Chaudhary }; 5647f4f5df23SVikas Chaudhary 5648f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5649f4f5df23SVikas Chaudhary { 5650f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 5651f4f5df23SVikas Chaudhary } 5652f4f5df23SVikas Chaudhary 5653f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5654f4f5df23SVikas Chaudhary { 56557664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 5656f4f5df23SVikas Chaudhary } 5657f4f5df23SVikas Chaudhary 5658f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5659f4f5df23SVikas Chaudhary { 5660f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 5661f4f5df23SVikas Chaudhary } 5662f4f5df23SVikas Chaudhary 5663f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5664f4f5df23SVikas Chaudhary { 56657664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 5666f4f5df23SVikas Chaudhary } 5667f4f5df23SVikas Chaudhary 56682a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 56692a991c21SManish Rangankar { 56702a991c21SManish Rangankar struct scsi_qla_host *ha = data; 56712a991c21SManish Rangankar char *str = buf; 56722a991c21SManish Rangankar int rc; 56732a991c21SManish Rangankar 56742a991c21SManish Rangankar switch (type) { 56752a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 56762a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 56772a991c21SManish Rangankar break; 56782a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 56792a991c21SManish Rangankar rc = sprintf(str, "0\n"); 56802a991c21SManish Rangankar break; 56812a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 56822a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 56832a991c21SManish Rangankar MAC_ADDR_LEN); 56842a991c21SManish Rangankar break; 56852a991c21SManish Rangankar default: 56862a991c21SManish Rangankar rc = -ENOSYS; 56872a991c21SManish Rangankar break; 56882a991c21SManish Rangankar } 56892a991c21SManish Rangankar return rc; 56902a991c21SManish Rangankar } 56912a991c21SManish Rangankar 5692587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 56932a991c21SManish Rangankar { 56942a991c21SManish Rangankar int rc; 56952a991c21SManish Rangankar 56962a991c21SManish Rangankar switch (type) { 56972a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 56982a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 56992a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57002a991c21SManish Rangankar rc = S_IRUGO; 57012a991c21SManish Rangankar break; 57022a991c21SManish Rangankar default: 57032a991c21SManish Rangankar rc = 0; 57042a991c21SManish Rangankar break; 57052a991c21SManish Rangankar } 57062a991c21SManish Rangankar return rc; 57072a991c21SManish Rangankar } 57082a991c21SManish Rangankar 57092a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 57102a991c21SManish Rangankar { 57112a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57122a991c21SManish Rangankar char *str = buf; 57132a991c21SManish Rangankar int rc; 57142a991c21SManish Rangankar 57152a991c21SManish Rangankar switch (type) { 57162a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57172a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 57182a991c21SManish Rangankar break; 57192a991c21SManish Rangankar default: 57202a991c21SManish Rangankar rc = -ENOSYS; 57212a991c21SManish Rangankar break; 57222a991c21SManish Rangankar } 57232a991c21SManish Rangankar return rc; 57242a991c21SManish Rangankar } 57252a991c21SManish Rangankar 5726587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 57272a991c21SManish Rangankar { 57282a991c21SManish Rangankar int rc; 57292a991c21SManish Rangankar 57302a991c21SManish Rangankar switch (type) { 57312a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57322a991c21SManish Rangankar rc = S_IRUGO; 57332a991c21SManish Rangankar break; 57342a991c21SManish Rangankar default: 57352a991c21SManish Rangankar rc = 0; 57362a991c21SManish Rangankar break; 57372a991c21SManish Rangankar } 57382a991c21SManish Rangankar return rc; 57392a991c21SManish Rangankar } 57402a991c21SManish Rangankar 57412a991c21SManish Rangankar static ssize_t 57422a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 57432a991c21SManish Rangankar char *buf) 57442a991c21SManish Rangankar { 57452a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 57462a991c21SManish Rangankar char *str = buf; 57472a991c21SManish Rangankar int rc; 57482a991c21SManish Rangankar 57492a991c21SManish Rangankar switch (type) { 57502a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 57512a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 57522a991c21SManish Rangankar break; 57532a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 57542a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 57552a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 57562a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 57572a991c21SManish Rangankar else 57582a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 57592a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 57602a991c21SManish Rangankar break; 57612a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 57622a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 57632a991c21SManish Rangankar break; 57642a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 57652a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 57662a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 57672a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 57682a991c21SManish Rangankar break; 57692a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 57702a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 57712a991c21SManish Rangankar boot_conn->chap.target_secret_length, 57722a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 57732a991c21SManish Rangankar break; 57742a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 57752a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 57762a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 57772a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 57782a991c21SManish Rangankar break; 57792a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 57802a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 57812a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 57822a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 57832a991c21SManish Rangankar break; 57842a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 57852a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 57862a991c21SManish Rangankar break; 57872a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 57882a991c21SManish Rangankar rc = sprintf(str, "0\n"); 57892a991c21SManish Rangankar break; 57902a991c21SManish Rangankar default: 57912a991c21SManish Rangankar rc = -ENOSYS; 57922a991c21SManish Rangankar break; 57932a991c21SManish Rangankar } 57942a991c21SManish Rangankar return rc; 57952a991c21SManish Rangankar } 57962a991c21SManish Rangankar 57972a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 57982a991c21SManish Rangankar { 57992a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58002a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 58012a991c21SManish Rangankar 58022a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58032a991c21SManish Rangankar } 58042a991c21SManish Rangankar 58052a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 58062a991c21SManish Rangankar { 58072a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58082a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 58092a991c21SManish Rangankar 58102a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58112a991c21SManish Rangankar } 58122a991c21SManish Rangankar 5813587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 58142a991c21SManish Rangankar { 58152a991c21SManish Rangankar int rc; 58162a991c21SManish Rangankar 58172a991c21SManish Rangankar switch (type) { 58182a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 58192a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58202a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58212a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58222a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58232a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58242a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58252a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58262a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58272a991c21SManish Rangankar rc = S_IRUGO; 58282a991c21SManish Rangankar break; 58292a991c21SManish Rangankar default: 58302a991c21SManish Rangankar rc = 0; 58312a991c21SManish Rangankar break; 58322a991c21SManish Rangankar } 58332a991c21SManish Rangankar return rc; 58342a991c21SManish Rangankar } 58352a991c21SManish Rangankar 58362a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 58372a991c21SManish Rangankar { 58382a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58392a991c21SManish Rangankar 58402a991c21SManish Rangankar scsi_host_put(ha->host); 58412a991c21SManish Rangankar } 58422a991c21SManish Rangankar 58432a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 58442a991c21SManish Rangankar { 58452a991c21SManish Rangankar dma_addr_t buf_dma; 58462a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 58472a991c21SManish Rangankar uint32_t offset; 58482a991c21SManish Rangankar uint16_t func_num; 58492a991c21SManish Rangankar uint8_t val; 58502a991c21SManish Rangankar uint8_t *buf = NULL; 58512a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 58522a991c21SManish Rangankar int ret = QLA_SUCCESS; 58532a991c21SManish Rangankar 58542a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 58552a991c21SManish Rangankar 58560d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 58570d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 58582a991c21SManish Rangankar 58590d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 58602a991c21SManish Rangankar if (func_num == 1) { 58612a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 58622a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 58632a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 58642a991c21SManish Rangankar } else if (func_num == 3) { 58652a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 58662a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 58672a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 58682a991c21SManish Rangankar } else { 58692a991c21SManish Rangankar ret = QLA_ERROR; 58702a991c21SManish Rangankar goto exit_boot_info; 58712a991c21SManish Rangankar } 58722a991c21SManish Rangankar 58732a991c21SManish Rangankar /* Check Boot Mode */ 58742a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 58752a991c21SManish Rangankar if (!(val & 0x07)) { 5876e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 5877e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 58782a991c21SManish Rangankar ret = QLA_ERROR; 58792a991c21SManish Rangankar goto exit_boot_info; 58802a991c21SManish Rangankar } 58812a991c21SManish Rangankar 58822a991c21SManish Rangankar /* get primary valid target index */ 58832a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 58842a991c21SManish Rangankar if (val & BIT_7) 58852a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 58862a991c21SManish Rangankar 58872a991c21SManish Rangankar /* get secondary valid target index */ 58882a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 58892a991c21SManish Rangankar if (val & BIT_7) 58902a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 58912a991c21SManish Rangankar 58923e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 58932a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 58942a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 58952a991c21SManish Rangankar if (!buf) { 58962a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 58972a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 58982a991c21SManish Rangankar __func__)); 58992a991c21SManish Rangankar ret = QLA_ERROR; 59002a991c21SManish Rangankar goto exit_boot_info; 59012a991c21SManish Rangankar } 59022a991c21SManish Rangankar 59032a991c21SManish Rangankar if (ha->port_num == 0) 59042a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 59052a991c21SManish Rangankar else if (ha->port_num == 1) 59062a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 59072a991c21SManish Rangankar else { 59082a991c21SManish Rangankar ret = QLA_ERROR; 59092a991c21SManish Rangankar goto exit_boot_info_free; 59102a991c21SManish Rangankar } 59112a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 59122a991c21SManish Rangankar offset; 59132a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 59142a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 59152a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 59162a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 59172a991c21SManish Rangankar ret = QLA_ERROR; 59182a991c21SManish Rangankar goto exit_boot_info_free; 59192a991c21SManish Rangankar } 59202a991c21SManish Rangankar /* Check Boot Mode */ 59212a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 5922e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 5923e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 59242a991c21SManish Rangankar ret = QLA_ERROR; 59252a991c21SManish Rangankar goto exit_boot_info_free; 59262a991c21SManish Rangankar } 59272a991c21SManish Rangankar 59282a991c21SManish Rangankar /* get primary valid target index */ 59292a991c21SManish Rangankar if (buf[2] & BIT_7) 59302a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 59312a991c21SManish Rangankar 59322a991c21SManish Rangankar /* get secondary valid target index */ 59332a991c21SManish Rangankar if (buf[11] & BIT_7) 59342a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 59352a991c21SManish Rangankar } else { 59362a991c21SManish Rangankar ret = QLA_ERROR; 59372a991c21SManish Rangankar goto exit_boot_info; 59382a991c21SManish Rangankar } 59392a991c21SManish Rangankar 59402a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 59412a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 59422a991c21SManish Rangankar ddb_index[1])); 59432a991c21SManish Rangankar 59442a991c21SManish Rangankar exit_boot_info_free: 59452a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 59462a991c21SManish Rangankar exit_boot_info: 594720e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 594820e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 59492a991c21SManish Rangankar return ret; 59502a991c21SManish Rangankar } 59512a991c21SManish Rangankar 595228deb45cSLalit Chandivade /** 595328deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 595428deb45cSLalit Chandivade * @ha: pointer to adapter structure 595528deb45cSLalit Chandivade * @username: CHAP username to be returned 595628deb45cSLalit Chandivade * @password: CHAP password to be returned 595728deb45cSLalit Chandivade * 595828deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 595928deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 596028deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 596128deb45cSLalit Chandivade * to the boot record in sysfs. 596228deb45cSLalit Chandivade **/ 596328deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 596428deb45cSLalit Chandivade char *password) 596528deb45cSLalit Chandivade { 596628deb45cSLalit Chandivade int i, ret = -EINVAL; 596728deb45cSLalit Chandivade int max_chap_entries = 0; 596828deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 596928deb45cSLalit Chandivade 5970d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 597128deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 597228deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 597328deb45cSLalit Chandivade else 597428deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 597528deb45cSLalit Chandivade 597628deb45cSLalit Chandivade if (!ha->chap_list) { 597728deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 597828deb45cSLalit Chandivade return ret; 597928deb45cSLalit Chandivade } 598028deb45cSLalit Chandivade 598128deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 598228deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 598328deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 598428deb45cSLalit Chandivade if (chap_table->cookie != 598528deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 598628deb45cSLalit Chandivade continue; 598728deb45cSLalit Chandivade } 598828deb45cSLalit Chandivade 598928deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 599028deb45cSLalit Chandivade continue; 599128deb45cSLalit Chandivade 599228deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 599328deb45cSLalit Chandivade continue; 599428deb45cSLalit Chandivade 599528deb45cSLalit Chandivade strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 599628deb45cSLalit Chandivade strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 599728deb45cSLalit Chandivade ret = 0; 599828deb45cSLalit Chandivade break; 599928deb45cSLalit Chandivade } 600028deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 600128deb45cSLalit Chandivade 600228deb45cSLalit Chandivade return ret; 600328deb45cSLalit Chandivade } 600428deb45cSLalit Chandivade 600528deb45cSLalit Chandivade 60062a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 60072a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 60082a991c21SManish Rangankar uint16_t ddb_index) 60092a991c21SManish Rangankar { 60102a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 60112a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 60122a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 60132a991c21SManish Rangankar uint16_t idx; 60142a991c21SManish Rangankar uint16_t options; 60152a991c21SManish Rangankar int ret = QLA_SUCCESS; 60162a991c21SManish Rangankar 60172a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 60182a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 60192a991c21SManish Rangankar if (!fw_ddb_entry) { 60202a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 60212a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 60222a991c21SManish Rangankar __func__)); 60232a991c21SManish Rangankar ret = QLA_ERROR; 60242a991c21SManish Rangankar return ret; 60252a991c21SManish Rangankar } 60262a991c21SManish Rangankar 60272a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 60282a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 6029e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 6030e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 60312a991c21SManish Rangankar ret = QLA_ERROR; 60322a991c21SManish Rangankar goto exit_boot_target; 60332a991c21SManish Rangankar } 60342a991c21SManish Rangankar 60352a991c21SManish Rangankar /* Update target name and IP from DDB */ 60362a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 60372a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 60382a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 60392a991c21SManish Rangankar 60402a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 60412a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 60422a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60432a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 60442a991c21SManish Rangankar } else { 60452a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 60462a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60472a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 60482a991c21SManish Rangankar } 60492a991c21SManish Rangankar 60502a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 60512a991c21SManish Rangankar 60522a991c21SManish Rangankar /* update chap information */ 60532a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 60542a991c21SManish Rangankar 60552a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 60562a991c21SManish Rangankar 60572a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 60582a991c21SManish Rangankar 60592a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 60602a991c21SManish Rangankar target_chap_name, 60612a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 60622a991c21SManish Rangankar idx); 60632a991c21SManish Rangankar if (ret) { 60642a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 60652a991c21SManish Rangankar ret = QLA_ERROR; 60662a991c21SManish Rangankar goto exit_boot_target; 60672a991c21SManish Rangankar } 60682a991c21SManish Rangankar 60692a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 60702a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 60712a991c21SManish Rangankar } 60722a991c21SManish Rangankar 60732a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 60742a991c21SManish Rangankar 60752a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 60762a991c21SManish Rangankar 607728deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 607828deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 607928deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 608028deb45cSLalit Chandivade 60812a991c21SManish Rangankar if (ret) { 60822a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 60832a991c21SManish Rangankar ret = QLA_ERROR; 60842a991c21SManish Rangankar goto exit_boot_target; 60852a991c21SManish Rangankar } 60862a991c21SManish Rangankar 60872a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 60882a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 60892a991c21SManish Rangankar } 60902a991c21SManish Rangankar 60912a991c21SManish Rangankar exit_boot_target: 60922a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 60932a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 60942a991c21SManish Rangankar return ret; 60952a991c21SManish Rangankar } 60962a991c21SManish Rangankar 60972a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 60982a991c21SManish Rangankar { 60992a991c21SManish Rangankar uint16_t ddb_index[2]; 61008de5b958SLalit Chandivade int ret = QLA_ERROR; 61018de5b958SLalit Chandivade int rval; 61022a991c21SManish Rangankar 61032a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 61048de5b958SLalit Chandivade ddb_index[0] = 0xffff; 61058de5b958SLalit Chandivade ddb_index[1] = 0xffff; 61062a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 61072a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 6108e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6109e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 61102a991c21SManish Rangankar return ret; 61112a991c21SManish Rangankar } 61122a991c21SManish Rangankar 611313483730SMike Christie if (ql4xdisablesysfsboot) 611413483730SMike Christie return QLA_SUCCESS; 611513483730SMike Christie 61168de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 61178de5b958SLalit Chandivade goto sec_target; 61188de5b958SLalit Chandivade 61198de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 61202a991c21SManish Rangankar ddb_index[0]); 61218de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6122e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 6123e8fb00e0SManish Rangankar "configured\n", __func__)); 61248de5b958SLalit Chandivade } else 61258de5b958SLalit Chandivade ret = QLA_SUCCESS; 61262a991c21SManish Rangankar 61278de5b958SLalit Chandivade sec_target: 61288de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 61298de5b958SLalit Chandivade goto exit_get_boot_info; 61308de5b958SLalit Chandivade 61318de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 61322a991c21SManish Rangankar ddb_index[1]); 61338de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6134e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 6135e8fb00e0SManish Rangankar " configured\n", __func__)); 61368de5b958SLalit Chandivade } else 61378de5b958SLalit Chandivade ret = QLA_SUCCESS; 61388de5b958SLalit Chandivade 61398de5b958SLalit Chandivade exit_get_boot_info: 61402a991c21SManish Rangankar return ret; 61412a991c21SManish Rangankar } 61422a991c21SManish Rangankar 61432a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 61442a991c21SManish Rangankar { 61452a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 61462a991c21SManish Rangankar 61472a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 614813483730SMike Christie return QLA_ERROR; 614913483730SMike Christie 615013483730SMike Christie if (ql4xdisablesysfsboot) { 615113483730SMike Christie ql4_printk(KERN_INFO, ha, 615213483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 615313483730SMike Christie "and publish session for discovery .\n", __func__); 615413483730SMike Christie return QLA_SUCCESS; 615513483730SMike Christie } 615613483730SMike Christie 61572a991c21SManish Rangankar 61582a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 61592a991c21SManish Rangankar if (!ha->boot_kset) 61602a991c21SManish Rangankar goto kset_free; 61612a991c21SManish Rangankar 61622a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 61632a991c21SManish Rangankar goto kset_free; 61642a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 61652a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 61662a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 61672a991c21SManish Rangankar qla4xxx_boot_release); 61682a991c21SManish Rangankar if (!boot_kobj) 61692a991c21SManish Rangankar goto put_host; 61702a991c21SManish Rangankar 61712a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 61722a991c21SManish Rangankar goto kset_free; 61732a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 61742a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 61752a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 61762a991c21SManish Rangankar qla4xxx_boot_release); 61772a991c21SManish Rangankar if (!boot_kobj) 61782a991c21SManish Rangankar goto put_host; 61792a991c21SManish Rangankar 61802a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 61812a991c21SManish Rangankar goto kset_free; 61822a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 61832a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 61842a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 61852a991c21SManish Rangankar qla4xxx_boot_release); 61862a991c21SManish Rangankar if (!boot_kobj) 61872a991c21SManish Rangankar goto put_host; 61882a991c21SManish Rangankar 61892a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 61902a991c21SManish Rangankar goto kset_free; 61912a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 61922a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 61932a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 61942a991c21SManish Rangankar qla4xxx_boot_release); 61952a991c21SManish Rangankar if (!boot_kobj) 61962a991c21SManish Rangankar goto put_host; 61972a991c21SManish Rangankar 619813483730SMike Christie return QLA_SUCCESS; 61992a991c21SManish Rangankar 62002a991c21SManish Rangankar put_host: 62012a991c21SManish Rangankar scsi_host_put(ha->host); 62022a991c21SManish Rangankar kset_free: 62032a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 62042a991c21SManish Rangankar return -ENOMEM; 62052a991c21SManish Rangankar } 62062a991c21SManish Rangankar 62074549415aSLalit Chandivade 620813483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 620913483730SMike Christie struct ql4_tuple_ddb *tddb) 621013483730SMike Christie { 621113483730SMike Christie struct scsi_qla_host *ha; 621213483730SMike Christie struct iscsi_cls_session *cls_sess; 621313483730SMike Christie struct iscsi_cls_conn *cls_conn; 621413483730SMike Christie struct iscsi_session *sess; 621513483730SMike Christie struct iscsi_conn *conn; 621613483730SMike Christie 621713483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 621813483730SMike Christie ha = ddb_entry->ha; 621913483730SMike Christie cls_sess = ddb_entry->sess; 622013483730SMike Christie sess = cls_sess->dd_data; 622113483730SMike Christie cls_conn = ddb_entry->conn; 622213483730SMike Christie conn = cls_conn->dd_data; 622313483730SMike Christie 622413483730SMike Christie tddb->tpgt = sess->tpgt; 622513483730SMike Christie tddb->port = conn->persistent_port; 622613483730SMike Christie strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 622713483730SMike Christie strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 622813483730SMike Christie } 622913483730SMike Christie 623013483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 62311cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 62321cb78d73SVikas Chaudhary uint8_t *flash_isid) 623313483730SMike Christie { 623413483730SMike Christie uint16_t options = 0; 623513483730SMike Christie 623613483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 623713483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 623813483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 623913483730SMike Christie 624013483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 624113483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 624213483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 624313483730SMike Christie else 624413483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 624513483730SMike Christie 624613483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 62471cb78d73SVikas Chaudhary 62481cb78d73SVikas Chaudhary if (flash_isid == NULL) 62491cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 62501cb78d73SVikas Chaudhary sizeof(tddb->isid)); 62511cb78d73SVikas Chaudhary else 62521cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 625313483730SMike Christie } 625413483730SMike Christie 625513483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 625613483730SMike Christie struct ql4_tuple_ddb *old_tddb, 6257173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 6258173269efSManish Rangankar uint8_t is_isid_compare) 625913483730SMike Christie { 626013483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 626113483730SMike Christie return QLA_ERROR; 626213483730SMike Christie 626313483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 626413483730SMike Christie return QLA_ERROR; 626513483730SMike Christie 626613483730SMike Christie if (old_tddb->port != new_tddb->port) 626713483730SMike Christie return QLA_ERROR; 626813483730SMike Christie 6269173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 627059e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 6271173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 6272173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 6273173269efSManish Rangankar * ISID would not match firmware generated ISID. 6274173269efSManish Rangankar */ 6275173269efSManish Rangankar if (is_isid_compare) { 6276173269efSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" 6277173269efSManish Rangankar "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", 6278173269efSManish Rangankar __func__, old_tddb->isid[5], old_tddb->isid[4], 6279173269efSManish Rangankar old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], 6280173269efSManish Rangankar old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], 6281173269efSManish Rangankar new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], 6282173269efSManish Rangankar new_tddb->isid[0])); 6283173269efSManish Rangankar 6284173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 6285173269efSManish Rangankar sizeof(old_tddb->isid))) 6286173269efSManish Rangankar return QLA_ERROR; 6287173269efSManish Rangankar } 6288173269efSManish Rangankar 628913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 629013483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 629113483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 629213483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 629313483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 629413483730SMike Christie 629513483730SMike Christie return QLA_SUCCESS; 629613483730SMike Christie } 629713483730SMike Christie 629813483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 6299ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6300ad8bd45eSManish Rangankar uint32_t *index) 630113483730SMike Christie { 630213483730SMike Christie struct ddb_entry *ddb_entry; 630313483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 630413483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 630513483730SMike Christie int idx; 630613483730SMike Christie int ret = QLA_ERROR; 630713483730SMike Christie 630813483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 630913483730SMike Christie if (!fw_tddb) { 631013483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 631113483730SMike Christie "Memory Allocation failed.\n")); 631213483730SMike Christie ret = QLA_SUCCESS; 631313483730SMike Christie goto exit_check; 631413483730SMike Christie } 631513483730SMike Christie 631613483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 631713483730SMike Christie if (!tmp_tddb) { 631813483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 631913483730SMike Christie "Memory Allocation failed.\n")); 632013483730SMike Christie ret = QLA_SUCCESS; 632113483730SMike Christie goto exit_check; 632213483730SMike Christie } 632313483730SMike Christie 63241cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 632513483730SMike Christie 632613483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 632713483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 632813483730SMike Christie if (ddb_entry == NULL) 632913483730SMike Christie continue; 633013483730SMike Christie 633113483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 6332173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 633313483730SMike Christie ret = QLA_SUCCESS; /* found */ 6334ad8bd45eSManish Rangankar if (index != NULL) 6335ad8bd45eSManish Rangankar *index = idx; 633613483730SMike Christie goto exit_check; 633713483730SMike Christie } 633813483730SMike Christie } 633913483730SMike Christie 634013483730SMike Christie exit_check: 634113483730SMike Christie if (fw_tddb) 634213483730SMike Christie vfree(fw_tddb); 634313483730SMike Christie if (tmp_tddb) 634413483730SMike Christie vfree(tmp_tddb); 634513483730SMike Christie return ret; 634613483730SMike Christie } 634713483730SMike Christie 63481cb78d73SVikas Chaudhary /** 63491cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 63501cb78d73SVikas Chaudhary * in target list 63511cb78d73SVikas Chaudhary * @list_nt: list of target 63521cb78d73SVikas Chaudhary * @isid: isid to check 63531cb78d73SVikas Chaudhary * 63541cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 63551cb78d73SVikas Chaudhary **/ 63561cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 63571cb78d73SVikas Chaudhary { 63581cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 63591cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 63601cb78d73SVikas Chaudhary 63611cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 63621cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 63631cb78d73SVikas Chaudhary 63641cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 63651cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 63661cb78d73SVikas Chaudhary return QLA_SUCCESS; 63671cb78d73SVikas Chaudhary } 63681cb78d73SVikas Chaudhary } 63691cb78d73SVikas Chaudhary return QLA_ERROR; 63701cb78d73SVikas Chaudhary } 63711cb78d73SVikas Chaudhary 63721cb78d73SVikas Chaudhary /** 63731cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 63741cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 63751cb78d73SVikas Chaudhary * @list_nt: list of nt target 63761cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 63771cb78d73SVikas Chaudhary * 63781cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 63791cb78d73SVikas Chaudhary * different IP addr. 63801cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 63811cb78d73SVikas Chaudhary **/ 63821cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 63831cb78d73SVikas Chaudhary struct list_head *list_nt, 63841cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 63851cb78d73SVikas Chaudhary { 63861cb78d73SVikas Chaudhary uint8_t base_value, i; 63871cb78d73SVikas Chaudhary 63881cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 63891cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 63901cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 63911cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 63921cb78d73SVikas Chaudhary break; 63931cb78d73SVikas Chaudhary } 63941cb78d73SVikas Chaudhary 63951cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 63961cb78d73SVikas Chaudhary return QLA_ERROR; 63971cb78d73SVikas Chaudhary 63981cb78d73SVikas Chaudhary return QLA_SUCCESS; 63991cb78d73SVikas Chaudhary } 64001cb78d73SVikas Chaudhary 64011cb78d73SVikas Chaudhary /** 64021cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 64031cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64041cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 64051cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 64061cb78d73SVikas Chaudhary * 64071cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 64081cb78d73SVikas Chaudhary * same isid 64091cb78d73SVikas Chaudhary **/ 64101cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 64111cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 64121cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 64131cb78d73SVikas Chaudhary { 64141cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 64151cb78d73SVikas Chaudhary /* Same ip */ 64161cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 64171cb78d73SVikas Chaudhary return QLA_ERROR; 64181cb78d73SVikas Chaudhary } 64191cb78d73SVikas Chaudhary 64201cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 64211cb78d73SVikas Chaudhary /* different iqn */ 64221cb78d73SVikas Chaudhary return QLA_ERROR; 64231cb78d73SVikas Chaudhary 64241cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 64251cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 64261cb78d73SVikas Chaudhary /* different isid */ 64271cb78d73SVikas Chaudhary return QLA_ERROR; 64281cb78d73SVikas Chaudhary 64291cb78d73SVikas Chaudhary return QLA_SUCCESS; 64301cb78d73SVikas Chaudhary } 64311cb78d73SVikas Chaudhary 64321cb78d73SVikas Chaudhary /** 64331cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 64341cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64351cb78d73SVikas Chaudhary * @list_nt: list of nt target. 64361cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 64371cb78d73SVikas Chaudhary * 64381cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 64391cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 64401cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 64411cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 64421cb78d73SVikas Chaudhary **/ 64431cb78d73SVikas Chaudhary 644413483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 644513483730SMike Christie struct list_head *list_nt, 644613483730SMike Christie struct dev_db_entry *fw_ddb_entry) 644713483730SMike Christie { 644813483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 644913483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 645013483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 64511cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 645213483730SMike Christie 645313483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 645413483730SMike Christie if (!fw_tddb) { 645513483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 645613483730SMike Christie "Memory Allocation failed.\n")); 645713483730SMike Christie ret = QLA_SUCCESS; 645813483730SMike Christie goto exit_check; 645913483730SMike Christie } 646013483730SMike Christie 646113483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 646213483730SMike Christie if (!tmp_tddb) { 646313483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 646413483730SMike Christie "Memory Allocation failed.\n")); 646513483730SMike Christie ret = QLA_SUCCESS; 646613483730SMike Christie goto exit_check; 646713483730SMike Christie } 646813483730SMike Christie 64691cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 647013483730SMike Christie 647113483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 64721cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 64731cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 64741cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 64751cb78d73SVikas Chaudhary /* found duplicate ddb */ 64761cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 64771cb78d73SVikas Chaudhary goto exit_check; 64781cb78d73SVikas Chaudhary } 64791cb78d73SVikas Chaudhary 64801cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 64811cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 64821cb78d73SVikas Chaudhary 64831cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 64841cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 64851cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 64861cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 64871cb78d73SVikas Chaudhary ret = QLA_ERROR; 64881cb78d73SVikas Chaudhary else 64891cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 64901cb78d73SVikas Chaudhary 649113483730SMike Christie goto exit_check; 649213483730SMike Christie } 649313483730SMike Christie } 649413483730SMike Christie 649513483730SMike Christie exit_check: 649613483730SMike Christie if (fw_tddb) 649713483730SMike Christie vfree(fw_tddb); 649813483730SMike Christie if (tmp_tddb) 649913483730SMike Christie vfree(tmp_tddb); 650013483730SMike Christie return ret; 650113483730SMike Christie } 650213483730SMike Christie 65034a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 650413483730SMike Christie { 65054a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 650613483730SMike Christie 65074a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 65084a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 65094a4bc2e9SLalit Chandivade vfree(ddb_idx); 651013483730SMike Christie } 651113483730SMike Christie } 651213483730SMike Christie 651313483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 651413483730SMike Christie struct dev_db_entry *fw_ddb_entry) 651513483730SMike Christie { 651613483730SMike Christie struct iscsi_endpoint *ep; 651713483730SMike Christie struct sockaddr_in *addr; 651813483730SMike Christie struct sockaddr_in6 *addr6; 65193dd4849cSManish Rangankar struct sockaddr *t_addr; 65203dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 652113483730SMike Christie char *ip; 652213483730SMike Christie 652313483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 652413483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 652513483730SMike Christie if (!dst_addr) 652613483730SMike Christie return NULL; 652713483730SMike Christie 652813483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 65293dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65303dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 653113483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 653213483730SMike Christie ip = (char *)&addr6->sin6_addr; 653313483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 653413483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 653513483730SMike Christie 653613483730SMike Christie } else { 65373dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65383dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 653913483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 654013483730SMike Christie ip = (char *)&addr->sin_addr; 654113483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 654213483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 654313483730SMike Christie } 654413483730SMike Christie 65453dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 654613483730SMike Christie vfree(dst_addr); 654713483730SMike Christie return ep; 654813483730SMike Christie } 654913483730SMike Christie 655013483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 655113483730SMike Christie { 655213483730SMike Christie if (ql4xdisablesysfsboot) 655313483730SMike Christie return QLA_SUCCESS; 655413483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 655513483730SMike Christie return QLA_ERROR; 655613483730SMike Christie return QLA_SUCCESS; 655713483730SMike Christie } 655813483730SMike Christie 655913483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 65601dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 65611dc8ed5dSManish Rangankar uint16_t idx) 656213483730SMike Christie { 6563c28eaacaSNilesh Javali uint16_t def_timeout; 6564c28eaacaSNilesh Javali 656513483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 656613483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 656713483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 656813483730SMike Christie ddb_entry->ha = ha; 656913483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 657013483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 6571946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx = INVALID_ENTRY; 657213483730SMike Christie 657313483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 657413483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 657513483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 6576c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 657713483730SMike Christie ddb_entry->default_relogin_timeout = 6578c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 6579c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 658013483730SMike Christie ddb_entry->default_time2wait = 658113483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 65821dc8ed5dSManish Rangankar 65831dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 65841dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 65851dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 658613483730SMike Christie } 658713483730SMike Christie 658813483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 658913483730SMike Christie { 659013483730SMike Christie uint32_t idx = 0; 659113483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 659213483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 659313483730SMike Christie uint32_t ip_state; 659413483730SMike Christie unsigned long wtime; 659513483730SMike Christie int ret; 659613483730SMike Christie 659713483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 659813483730SMike Christie do { 659913483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 660013483730SMike Christie if (ip_idx[idx] == -1) 660113483730SMike Christie continue; 660213483730SMike Christie 660313483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 660413483730SMike Christie 660513483730SMike Christie if (ret == QLA_ERROR) { 660613483730SMike Christie ip_idx[idx] = -1; 660713483730SMike Christie continue; 660813483730SMike Christie } 660913483730SMike Christie 661013483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 661113483730SMike Christie 661213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 661313483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 661413483730SMike Christie ip_idx[idx], ip_state)); 661513483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 661613483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 661713483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 661813483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 661913483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 662013483730SMike Christie ip_idx[idx] = -1; 662113483730SMike Christie } 662213483730SMike Christie 662313483730SMike Christie /* Break if all IP states checked */ 662413483730SMike Christie if ((ip_idx[0] == -1) && 662513483730SMike Christie (ip_idx[1] == -1) && 662613483730SMike Christie (ip_idx[2] == -1) && 662713483730SMike Christie (ip_idx[3] == -1)) 662813483730SMike Christie break; 662913483730SMike Christie schedule_timeout_uninterruptible(HZ); 663013483730SMike Christie } while (time_after(wtime, jiffies)); 663113483730SMike Christie } 663213483730SMike Christie 6633ad8bd45eSManish Rangankar static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, 6634ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry) 6635ad8bd45eSManish Rangankar { 6636ad8bd45eSManish Rangankar uint16_t options = 0; 6637ad8bd45eSManish Rangankar size_t ip_len = IP_ADDR_LEN; 6638ad8bd45eSManish Rangankar 6639ad8bd45eSManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 6640ad8bd45eSManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) 6641ad8bd45eSManish Rangankar ip_len = IPv6_ADDR_LEN; 6642ad8bd45eSManish Rangankar 6643ad8bd45eSManish Rangankar if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) 6644ad8bd45eSManish Rangankar return QLA_ERROR; 6645ad8bd45eSManish Rangankar 6646ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], 6647ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->isid))) 6648ad8bd45eSManish Rangankar return QLA_ERROR; 6649ad8bd45eSManish Rangankar 6650ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, 6651ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->port))) 6652ad8bd45eSManish Rangankar return QLA_ERROR; 6653ad8bd45eSManish Rangankar 6654ad8bd45eSManish Rangankar return QLA_SUCCESS; 6655ad8bd45eSManish Rangankar } 6656ad8bd45eSManish Rangankar 6657ad8bd45eSManish Rangankar static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, 6658ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6659ad8bd45eSManish Rangankar uint32_t fw_idx, uint32_t *flash_index) 6660ad8bd45eSManish Rangankar { 6661ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry; 6662ad8bd45eSManish Rangankar dma_addr_t flash_ddb_entry_dma; 6663ad8bd45eSManish Rangankar uint32_t idx = 0; 6664ad8bd45eSManish Rangankar int max_ddbs; 6665ad8bd45eSManish Rangankar int ret = QLA_ERROR, status; 6666ad8bd45eSManish Rangankar 6667ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6668ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6669ad8bd45eSManish Rangankar 6670ad8bd45eSManish Rangankar flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 6671ad8bd45eSManish Rangankar &flash_ddb_entry_dma); 6672ad8bd45eSManish Rangankar if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { 6673ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Out of memory\n"); 6674ad8bd45eSManish Rangankar goto exit_find_st_idx; 6675ad8bd45eSManish Rangankar } 6676ad8bd45eSManish Rangankar 6677ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6678ad8bd45eSManish Rangankar flash_ddb_entry_dma, fw_idx); 6679ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6680ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6681ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6682ad8bd45eSManish Rangankar *flash_index = fw_idx; 6683ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6684ad8bd45eSManish Rangankar goto exit_find_st_idx; 6685ad8bd45eSManish Rangankar } 6686ad8bd45eSManish Rangankar } 6687ad8bd45eSManish Rangankar 6688ad8bd45eSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 6689ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6690ad8bd45eSManish Rangankar flash_ddb_entry_dma, idx); 6691ad8bd45eSManish Rangankar if (status == QLA_ERROR) 6692ad8bd45eSManish Rangankar continue; 6693ad8bd45eSManish Rangankar 6694ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6695ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6696ad8bd45eSManish Rangankar *flash_index = idx; 6697ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6698ad8bd45eSManish Rangankar goto exit_find_st_idx; 6699ad8bd45eSManish Rangankar } 6700ad8bd45eSManish Rangankar } 6701ad8bd45eSManish Rangankar 6702ad8bd45eSManish Rangankar if (idx == max_ddbs) 6703ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", 6704ad8bd45eSManish Rangankar fw_idx); 6705ad8bd45eSManish Rangankar 6706ad8bd45eSManish Rangankar exit_find_st_idx: 6707ad8bd45eSManish Rangankar if (flash_ddb_entry) 6708ad8bd45eSManish Rangankar dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, 6709ad8bd45eSManish Rangankar flash_ddb_entry_dma); 6710ad8bd45eSManish Rangankar 6711ad8bd45eSManish Rangankar return ret; 6712ad8bd45eSManish Rangankar } 6713ad8bd45eSManish Rangankar 67144a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 67154a4bc2e9SLalit Chandivade struct list_head *list_st) 671613483730SMike Christie { 67174a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 671813483730SMike Christie int max_ddbs; 67194a4bc2e9SLalit Chandivade int fw_idx_size; 67204a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 67214a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 672213483730SMike Christie int ret; 672313483730SMike Christie uint32_t idx = 0, next_idx = 0; 672413483730SMike Christie uint32_t state = 0, conn_err = 0; 6725ad8bd45eSManish Rangankar uint32_t flash_index = -1; 67264a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 672713483730SMike Christie 672813483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 672913483730SMike Christie &fw_ddb_dma); 673013483730SMike Christie if (fw_ddb_entry == NULL) { 673113483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 67324a4bc2e9SLalit Chandivade goto exit_st_list; 673313483730SMike Christie } 673413483730SMike Christie 67354a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 67364a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 673713483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 673813483730SMike Christie 673913483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 67404a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 67414a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 67424a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 674313483730SMike Christie if (ret == QLA_ERROR) 674413483730SMike Christie break; 674513483730SMike Christie 6746981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 6747981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 6748981c982cSLalit Chandivade goto continue_next_st; 6749981c982cSLalit Chandivade 675013483730SMike Christie /* Check if ST, add to the list_st */ 675113483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 675213483730SMike Christie goto continue_next_st; 675313483730SMike Christie 675413483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 675513483730SMike Christie if (!st_ddb_idx) 675613483730SMike Christie break; 675713483730SMike Christie 6758ad8bd45eSManish Rangankar ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, 6759ad8bd45eSManish Rangankar &flash_index); 6760ad8bd45eSManish Rangankar if (ret == QLA_ERROR) { 6761ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, 6762ad8bd45eSManish Rangankar "No flash entry for ST at idx [%d]\n", idx); 6763ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = idx; 6764ad8bd45eSManish Rangankar } else { 6765ad8bd45eSManish Rangankar ql4_printk(KERN_INFO, ha, 6766ad8bd45eSManish Rangankar "ST at idx [%d] is stored at flash [%d]\n", 6767ad8bd45eSManish Rangankar idx, flash_index); 6768ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = flash_index; 6769ad8bd45eSManish Rangankar } 6770ad8bd45eSManish Rangankar 677113483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 677213483730SMike Christie 67734a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 677413483730SMike Christie continue_next_st: 677513483730SMike Christie if (next_idx == 0) 677613483730SMike Christie break; 677713483730SMike Christie } 677813483730SMike Christie 67794a4bc2e9SLalit Chandivade exit_st_list: 67804a4bc2e9SLalit Chandivade if (fw_ddb_entry) 67814a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 67824a4bc2e9SLalit Chandivade } 67834a4bc2e9SLalit Chandivade 67844a4bc2e9SLalit Chandivade /** 67854a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 67864a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 67874a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 67884a4bc2e9SLalit Chandivade * 67894a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 67904a4bc2e9SLalit Chandivade * no connection active state or failed state 67914a4bc2e9SLalit Chandivade **/ 67924a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 67934a4bc2e9SLalit Chandivade struct list_head *list_ddb) 67944a4bc2e9SLalit Chandivade { 67954a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 67964a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 67974a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 67984a4bc2e9SLalit Chandivade int ret; 67994a4bc2e9SLalit Chandivade 68004a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 68014a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 68024a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 68034a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 68044a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 68054a4bc2e9SLalit Chandivade continue; 68064a4bc2e9SLalit Chandivade 68074a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 68084a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 68094a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 68104a4bc2e9SLalit Chandivade vfree(ddb_idx); 68114a4bc2e9SLalit Chandivade } 68124a4bc2e9SLalit Chandivade } 68134a4bc2e9SLalit Chandivade } 68144a4bc2e9SLalit Chandivade 6815ad8bd45eSManish Rangankar static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, 6816ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry, 6817ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6818ad8bd45eSManish Rangankar { 6819ad8bd45eSManish Rangankar struct iscsi_cls_session *cls_sess; 6820ad8bd45eSManish Rangankar struct iscsi_session *sess; 6821ad8bd45eSManish Rangankar uint32_t max_ddbs = 0; 6822ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 6823ad8bd45eSManish Rangankar 6824ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6825ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6826ad8bd45eSManish Rangankar 6827ad8bd45eSManish Rangankar cls_sess = ddb_entry->sess; 6828ad8bd45eSManish Rangankar sess = cls_sess->dd_data; 6829ad8bd45eSManish Rangankar 6830ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6831ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6832ad8bd45eSManish Rangankar sess->discovery_parent_idx = ddb_link; 6833ad8bd45eSManish Rangankar else 6834ad8bd45eSManish Rangankar sess->discovery_parent_idx = DDB_NO_LINK; 6835ad8bd45eSManish Rangankar } 6836ad8bd45eSManish Rangankar 68374a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 68384a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 68391dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 68404a4bc2e9SLalit Chandivade { 68414a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 68424a4bc2e9SLalit Chandivade struct iscsi_session *sess; 68434a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 68444a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 68454a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 68464a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 68474a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 68484a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 68494a4bc2e9SLalit Chandivade 68504a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 68514a4bc2e9SLalit Chandivade 68524a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 68534a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 68544a4bc2e9SLalit Chandivade */ 68554a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 68564a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 68574a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 68584a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 68594a4bc2e9SLalit Chandivade if (!cls_sess) { 68604a4bc2e9SLalit Chandivade ret = QLA_ERROR; 68614a4bc2e9SLalit Chandivade goto exit_setup; 68624a4bc2e9SLalit Chandivade } 68634a4bc2e9SLalit Chandivade 68644a4bc2e9SLalit Chandivade /* 68654a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 68664a4bc2e9SLalit Chandivade * reference count. 68674a4bc2e9SLalit Chandivade **/ 68684a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 68694a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 68704a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 68714a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 68724a4bc2e9SLalit Chandivade 68734a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 68744a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 68754a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 68764a4bc2e9SLalit Chandivade 68771dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 68784a4bc2e9SLalit Chandivade 68794a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 68804a4bc2e9SLalit Chandivade 68814a4bc2e9SLalit Chandivade if (!cls_conn) { 68824a4bc2e9SLalit Chandivade ret = QLA_ERROR; 68834a4bc2e9SLalit Chandivade goto exit_setup; 68844a4bc2e9SLalit Chandivade } 68854a4bc2e9SLalit Chandivade 68864a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 68874a4bc2e9SLalit Chandivade 68884a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 68894a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 68904a4bc2e9SLalit Chandivade if (ep) { 68914a4bc2e9SLalit Chandivade ep->conn = cls_conn; 68924a4bc2e9SLalit Chandivade cls_conn->ep = ep; 68934a4bc2e9SLalit Chandivade } else { 68944a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 68954a4bc2e9SLalit Chandivade ret = QLA_ERROR; 68964a4bc2e9SLalit Chandivade goto exit_setup; 68974a4bc2e9SLalit Chandivade } 68984a4bc2e9SLalit Chandivade 68994a4bc2e9SLalit Chandivade /* Update sess/conn params */ 69004a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 6901ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); 69024a4bc2e9SLalit Chandivade 69034a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 69044a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 69054a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 69064a4bc2e9SLalit Chandivade * by short-circuting the logic of setting 69074a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 69084a4bc2e9SLalit Chandivade * to initiate login right away. 69094a4bc2e9SLalit Chandivade */ 69104a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 69114a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 69124a4bc2e9SLalit Chandivade } 69134a4bc2e9SLalit Chandivade 69144a4bc2e9SLalit Chandivade exit_setup: 69154a4bc2e9SLalit Chandivade return ret; 69164a4bc2e9SLalit Chandivade } 69174a4bc2e9SLalit Chandivade 6918ad8bd45eSManish Rangankar static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, 6919ad8bd45eSManish Rangankar struct list_head *list_ddb, 6920ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6921ad8bd45eSManish Rangankar { 6922ad8bd45eSManish Rangankar struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 6923ad8bd45eSManish Rangankar uint16_t ddb_link; 6924ad8bd45eSManish Rangankar 6925ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6926ad8bd45eSManish Rangankar 6927ad8bd45eSManish Rangankar list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 6928ad8bd45eSManish Rangankar if (ddb_idx->fw_ddb_idx == ddb_link) { 6929ad8bd45eSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6930ad8bd45eSManish Rangankar "Updating NT parent idx from [%d] to [%d]\n", 6931ad8bd45eSManish Rangankar ddb_link, ddb_idx->flash_ddb_idx)); 6932ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = 6933ad8bd45eSManish Rangankar cpu_to_le16(ddb_idx->flash_ddb_idx); 6934ad8bd45eSManish Rangankar return; 6935ad8bd45eSManish Rangankar } 6936ad8bd45eSManish Rangankar } 6937ad8bd45eSManish Rangankar } 6938ad8bd45eSManish Rangankar 69394a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 6940ad8bd45eSManish Rangankar struct list_head *list_nt, 6941ad8bd45eSManish Rangankar struct list_head *list_st, 6942ad8bd45eSManish Rangankar int is_reset) 69434a4bc2e9SLalit Chandivade { 69444a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 6945ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry = NULL; 69464a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 69474a4bc2e9SLalit Chandivade int max_ddbs; 69484a4bc2e9SLalit Chandivade int fw_idx_size; 69494a4bc2e9SLalit Chandivade int ret; 69504a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 69514a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 6952ad8bd45eSManish Rangankar uint32_t ddb_idx = -1; 69534a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 6954ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 69554a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 69564a4bc2e9SLalit Chandivade 69574a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 69584a4bc2e9SLalit Chandivade &fw_ddb_dma); 69594a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 69604a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 69614a4bc2e9SLalit Chandivade goto exit_nt_list; 69624a4bc2e9SLalit Chandivade } 69634a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 69644a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 69654a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 69664a4bc2e9SLalit Chandivade 69674a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 69684a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 69694a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 69704a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 69714a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 69724a4bc2e9SLalit Chandivade break; 69734a4bc2e9SLalit Chandivade 69744a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 69754a4bc2e9SLalit Chandivade goto continue_next_nt; 69764a4bc2e9SLalit Chandivade 69774a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 69784a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 69794a4bc2e9SLalit Chandivade goto continue_next_nt; 69804a4bc2e9SLalit Chandivade 6981ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6982ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6983ad8bd45eSManish Rangankar qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); 6984ad8bd45eSManish Rangankar 69854a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 6986ad8bd45eSManish Rangankar state == DDB_DS_SESSION_FAILED) && 6987ad8bd45eSManish Rangankar (is_reset == INIT_ADAPTER)) 69884a4bc2e9SLalit Chandivade goto continue_next_nt; 69894a4bc2e9SLalit Chandivade 69904a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 69914a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 6992ad8bd45eSManish Rangankar 69934a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 69944a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 69954a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 69964a4bc2e9SLalit Chandivade break; 69974a4bc2e9SLalit Chandivade 69984a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 69994a4bc2e9SLalit Chandivade 70001cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 70011cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 70021cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 70031cb78d73SVikas Chaudhary * target */ 70041cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 70051cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 70061cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 70074a4bc2e9SLalit Chandivade 70081cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 70091cb78d73SVikas Chaudhary fw_ddb_entry); 70101cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 70111cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 70124a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 70134a4bc2e9SLalit Chandivade goto continue_next_nt; 70144a4bc2e9SLalit Chandivade } 70151cb78d73SVikas Chaudhary 70161cb78d73SVikas Chaudhary /* Copy updated isid */ 70171cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 70181cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 70191cb78d73SVikas Chaudhary 70204a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 70214a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 7022ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, 7023ad8bd45eSManish Rangankar &ddb_idx); 7024ad8bd45eSManish Rangankar if (ret == QLA_SUCCESS) { 7025ad8bd45eSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 7026ad8bd45eSManish Rangankar ddb_idx); 7027ad8bd45eSManish Rangankar if (ddb_entry != NULL) 7028ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, 7029ad8bd45eSManish Rangankar ddb_entry, 7030ad8bd45eSManish Rangankar fw_ddb_entry); 70314a4bc2e9SLalit Chandivade goto continue_next_nt; 70324a4bc2e9SLalit Chandivade } 7033ad8bd45eSManish Rangankar } 70344a4bc2e9SLalit Chandivade 70351dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 70364a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70374a4bc2e9SLalit Chandivade goto exit_nt_list; 70384a4bc2e9SLalit Chandivade 70394a4bc2e9SLalit Chandivade continue_next_nt: 70404a4bc2e9SLalit Chandivade if (next_idx == 0) 70414a4bc2e9SLalit Chandivade break; 70424a4bc2e9SLalit Chandivade } 70434a4bc2e9SLalit Chandivade 70444a4bc2e9SLalit Chandivade exit_nt_list: 70454a4bc2e9SLalit Chandivade if (fw_ddb_entry) 70464a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 70474a4bc2e9SLalit Chandivade } 70484a4bc2e9SLalit Chandivade 70491e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 7050ad8bd45eSManish Rangankar struct list_head *list_nt, 7051ad8bd45eSManish Rangankar uint16_t target_id) 70521e9e2be3SAdheer Chandravanshi { 70531e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 70541e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 70551e9e2be3SAdheer Chandravanshi int max_ddbs; 70561e9e2be3SAdheer Chandravanshi int fw_idx_size; 70571e9e2be3SAdheer Chandravanshi int ret; 70581e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 70591e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 70601e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 70611e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 70621e9e2be3SAdheer Chandravanshi 70631e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 70641e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 70651e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 70661e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 70671e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 70681e9e2be3SAdheer Chandravanshi } 70691e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 70701e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 70711e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 70721e9e2be3SAdheer Chandravanshi 70731e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 70741e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 70751e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 70761e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 70771e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 70781e9e2be3SAdheer Chandravanshi break; 70791e9e2be3SAdheer Chandravanshi 70801e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 70811e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 70821e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 70831e9e2be3SAdheer Chandravanshi 70841e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 70851e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 70861e9e2be3SAdheer Chandravanshi 70871e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 70881e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 70891e9e2be3SAdheer Chandravanshi 70901e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 70911e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 70921e9e2be3SAdheer Chandravanshi break; 70931e9e2be3SAdheer Chandravanshi 70941e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 70951e9e2be3SAdheer Chandravanshi 7096ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 70971e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 70981e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 70991e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 71001e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71011e9e2be3SAdheer Chandravanshi } 71021e9e2be3SAdheer Chandravanshi 7103ad8bd45eSManish Rangankar if (target_id < max_ddbs) 7104ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = cpu_to_le16(target_id); 7105ad8bd45eSManish Rangankar 71061e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 71071e9e2be3SAdheer Chandravanshi 71081e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 71091e9e2be3SAdheer Chandravanshi idx); 71101e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71111e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71121e9e2be3SAdheer Chandravanshi 71131e9e2be3SAdheer Chandravanshi continue_next_new_nt: 71141e9e2be3SAdheer Chandravanshi if (next_idx == 0) 71151e9e2be3SAdheer Chandravanshi break; 71161e9e2be3SAdheer Chandravanshi } 71171e9e2be3SAdheer Chandravanshi 71181e9e2be3SAdheer Chandravanshi exit_new_nt_list: 71191e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 71201e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 71211e9e2be3SAdheer Chandravanshi } 71221e9e2be3SAdheer Chandravanshi 71231e9e2be3SAdheer Chandravanshi /** 71241e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 71251e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 71261e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 71271e9e2be3SAdheer Chandravanshi * 71281e9e2be3SAdheer Chandravanshi * Returns: 71291e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 71301e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 71311e9e2be3SAdheer Chandravanshi **/ 71321e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 71331e9e2be3SAdheer Chandravanshi { 71341e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 71351e9e2be3SAdheer Chandravanshi 71361e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 71371e9e2be3SAdheer Chandravanshi return 0; 71381e9e2be3SAdheer Chandravanshi 71391e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 71401e9e2be3SAdheer Chandravanshi 71411e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 71421e9e2be3SAdheer Chandravanshi } 71431e9e2be3SAdheer Chandravanshi 71441e9e2be3SAdheer Chandravanshi /** 71451e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 71461e9e2be3SAdheer Chandravanshi * @ha: pointer to host 71471e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 71481e9e2be3SAdheer Chandravanshi * @idx: target index 71491e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 71501e9e2be3SAdheer Chandravanshi * 71511e9e2be3SAdheer Chandravanshi * Returns: 71521e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 71531e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 71541e9e2be3SAdheer Chandravanshi * 71551e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 71561e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 71571e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 71581e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 71591e9e2be3SAdheer Chandravanshi **/ 716028e02f1aSVikas Chaudhary static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 71611e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 71621e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 71631e9e2be3SAdheer Chandravanshi { 71641e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 71651e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 71661e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 71671e9e2be3SAdheer Chandravanshi 71681e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 71691e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 71701e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 71711e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 71721e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 71731e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 71741e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 71751e9e2be3SAdheer Chandravanshi } 71761e9e2be3SAdheer Chandravanshi 71771e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 71781e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 71791e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 71801e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 71811e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 71821e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 71831e9e2be3SAdheer Chandravanshi goto free_sess; 71841e9e2be3SAdheer Chandravanshi } 71851e9e2be3SAdheer Chandravanshi 71861e9e2be3SAdheer Chandravanshi if (user) { 71871e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 71881e9e2be3SAdheer Chandravanshi } else { 71891e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 71901e9e2be3SAdheer Chandravanshi 71911e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 71921e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 71931e9e2be3SAdheer Chandravanshi else 71941e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 71951e9e2be3SAdheer Chandravanshi } 71961e9e2be3SAdheer Chandravanshi 71971e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 71981e9e2be3SAdheer Chandravanshi fw_ddb_entry); 71991e9e2be3SAdheer Chandravanshi 72001e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72011e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 72021e9e2be3SAdheer Chandravanshi 72031e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72041e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 72051e9e2be3SAdheer Chandravanshi 72061e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 72071e9e2be3SAdheer Chandravanshi 72081e9e2be3SAdheer Chandravanshi free_sess: 72091e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 72101e9e2be3SAdheer Chandravanshi 72111e9e2be3SAdheer Chandravanshi exit_tgt_create: 72121e9e2be3SAdheer Chandravanshi return QLA_ERROR; 72131e9e2be3SAdheer Chandravanshi } 72141e9e2be3SAdheer Chandravanshi 72151e9e2be3SAdheer Chandravanshi /** 72161e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 72171e9e2be3SAdheer Chandravanshi * @shost: pointer to host 72181e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 72191e9e2be3SAdheer Chandravanshi * @len: length of buf 72201e9e2be3SAdheer Chandravanshi * 72211e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 72221e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 72231e9e2be3SAdheer Chandravanshi **/ 72241e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 72251e9e2be3SAdheer Chandravanshi int len) 72261e9e2be3SAdheer Chandravanshi { 72271e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 72281e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 72291e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 72301e9e2be3SAdheer Chandravanshi struct device *dev; 72311e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 72321e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 72331e9e2be3SAdheer Chandravanshi uint32_t options = 0; 72341e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 72351e9e2be3SAdheer Chandravanshi 7236c962c18bSAdheer Chandravanshi if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && 7237c962c18bSAdheer Chandravanshi strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { 72381e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 72391e9e2be3SAdheer Chandravanshi __func__)); 72401e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72411e9e2be3SAdheer Chandravanshi } 72421e9e2be3SAdheer Chandravanshi 7243a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 72441e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 72451e9e2be3SAdheer Chandravanshi 72461e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 72471e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 72481e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 72491e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 72501e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 72511e9e2be3SAdheer Chandravanshi __func__)); 72521e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72531e9e2be3SAdheer Chandravanshi } 72541e9e2be3SAdheer Chandravanshi 72551e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 72561e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 72571e9e2be3SAdheer Chandravanshi if (dev) { 72581e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72591e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 72601e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 72618526cb11SMike Christie put_device(dev); 72621e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72631e9e2be3SAdheer Chandravanshi } 72641e9e2be3SAdheer Chandravanshi 726599937574SAdheer Chandravanshi /* Index 0 and 1 are reserved for boot target entries */ 726699937574SAdheer Chandravanshi for (idx = 2; idx < max_ddbs; idx++) { 72671e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 72681e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 72691e9e2be3SAdheer Chandravanshi break; 72701e9e2be3SAdheer Chandravanshi } 72711e9e2be3SAdheer Chandravanshi 72721e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 72731e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72741e9e2be3SAdheer Chandravanshi 72751e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 72761e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 72771e9e2be3SAdheer Chandravanshi 72781e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 72791e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 72801e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72811e9e2be3SAdheer Chandravanshi 72821e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 72831e9e2be3SAdheer Chandravanshi 72841e9e2be3SAdheer Chandravanshi exit_ddb_add: 72851e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 72861e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 72871e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 72881e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 72891e9e2be3SAdheer Chandravanshi return idx; 72901e9e2be3SAdheer Chandravanshi else 72911e9e2be3SAdheer Chandravanshi return -EIO; 72921e9e2be3SAdheer Chandravanshi } 72931e9e2be3SAdheer Chandravanshi 72941e9e2be3SAdheer Chandravanshi /** 72951e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 72961e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 72971e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 72981e9e2be3SAdheer Chandravanshi * 72991e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 73001e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 73011e9e2be3SAdheer Chandravanshi **/ 73021e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 73031e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 73041e9e2be3SAdheer Chandravanshi { 73051e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 73061e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 73071e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 73081e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 73091e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 73101e9e2be3SAdheer Chandravanshi uint32_t options = 0; 73111e9e2be3SAdheer Chandravanshi int rval = 0; 73121e9e2be3SAdheer Chandravanshi 73131e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73141e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73151e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73161e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73171e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73181e9e2be3SAdheer Chandravanshi __func__)); 73191e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 73201e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73211e9e2be3SAdheer Chandravanshi } 73221e9e2be3SAdheer Chandravanshi 7323c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 73241e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73251e9e2be3SAdheer Chandravanshi 73261e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73271e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73281e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73291e9e2be3SAdheer Chandravanshi 73301e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 73311e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 73321e9e2be3SAdheer Chandravanshi 73331e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 73341e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 73351e9e2be3SAdheer Chandravanshi 73361e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 73371e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 73381e9e2be3SAdheer Chandravanshi 73391e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 73401e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 73411e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 73421e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 73431e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73441e9e2be3SAdheer Chandravanshi } else { 73451e9e2be3SAdheer Chandravanshi rval = -EIO; 73461e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73471e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 73481e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73491e9e2be3SAdheer Chandravanshi } 73501e9e2be3SAdheer Chandravanshi 73511e9e2be3SAdheer Chandravanshi exit_ddb_apply: 73521e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73531e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73541e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73551e9e2be3SAdheer Chandravanshi return rval; 73561e9e2be3SAdheer Chandravanshi } 73571e9e2be3SAdheer Chandravanshi 73581e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 73591e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 73601e9e2be3SAdheer Chandravanshi uint16_t idx) 73611e9e2be3SAdheer Chandravanshi { 73621e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 73631e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 73641e9e2be3SAdheer Chandravanshi unsigned long wtime; 73651e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 73661e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 73671e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 73681e9e2be3SAdheer Chandravanshi int ret = 0; 73691e9e2be3SAdheer Chandravanshi 73701e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 73711e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 73721e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 73731e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73741e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73751e9e2be3SAdheer Chandravanshi __func__)); 73761e9e2be3SAdheer Chandravanshi return QLA_ERROR; 73771e9e2be3SAdheer Chandravanshi } 73781e9e2be3SAdheer Chandravanshi 73791e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 73801e9e2be3SAdheer Chandravanshi 73811e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 73821e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 73831e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73841e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 73851e9e2be3SAdheer Chandravanshi __func__, idx)); 73861e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 73871e9e2be3SAdheer Chandravanshi } 73881e9e2be3SAdheer Chandravanshi 73891e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 73901e9e2be3SAdheer Chandravanshi 73911e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 73921e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 73931e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 73941e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 73951e9e2be3SAdheer Chandravanshi 73961e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 73971e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 73981e9e2be3SAdheer Chandravanshi 73991e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 74001e9e2be3SAdheer Chandravanshi do { 74011e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 74021e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 74031e9e2be3SAdheer Chandravanshi NULL); 74041e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74051e9e2be3SAdheer Chandravanshi continue; 74061e9e2be3SAdheer Chandravanshi 74071e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 74081e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 74091e9e2be3SAdheer Chandravanshi break; 74101e9e2be3SAdheer Chandravanshi 74111e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 74121e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 74131e9e2be3SAdheer Chandravanshi 74141e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 74151e9e2be3SAdheer Chandravanshi if (ddb_entry) 74161e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74171e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 74181e9e2be3SAdheer Chandravanshi return ret; 74191e9e2be3SAdheer Chandravanshi } 74201e9e2be3SAdheer Chandravanshi 74211e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 7422ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 7423ad8bd45eSManish Rangankar uint16_t target_id) 74241e9e2be3SAdheer Chandravanshi { 74251e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 74261e9e2be3SAdheer Chandravanshi struct list_head list_nt; 74271e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 74281e9e2be3SAdheer Chandravanshi int ret = 0; 74291e9e2be3SAdheer Chandravanshi 74301e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 74311e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 74321e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 74331e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74341e9e2be3SAdheer Chandravanshi } 74351e9e2be3SAdheer Chandravanshi 74361e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 74371e9e2be3SAdheer Chandravanshi 74381e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 74391e9e2be3SAdheer Chandravanshi 74401e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 74411e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74421e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 74431e9e2be3SAdheer Chandravanshi 74441e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 74451e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74461e9e2be3SAdheer Chandravanshi goto exit_login_st; 74471e9e2be3SAdheer Chandravanshi 7448ad8bd45eSManish Rangankar qla4xxx_build_new_nt_list(ha, &list_nt, target_id); 74491e9e2be3SAdheer Chandravanshi 74501e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 74511e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 74521e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 74531e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 74541e9e2be3SAdheer Chandravanshi } 74551e9e2be3SAdheer Chandravanshi 74561e9e2be3SAdheer Chandravanshi exit_login_st: 74571e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 74581e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 74591e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 74601e9e2be3SAdheer Chandravanshi } 74611e9e2be3SAdheer Chandravanshi 74621e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 74631e9e2be3SAdheer Chandravanshi 74641e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 74651e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 74661e9e2be3SAdheer Chandravanshi return ret; 74671e9e2be3SAdheer Chandravanshi } 74681e9e2be3SAdheer Chandravanshi 74691e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 74701e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 74711e9e2be3SAdheer Chandravanshi uint16_t idx) 74721e9e2be3SAdheer Chandravanshi { 74731e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 74741e9e2be3SAdheer Chandravanshi 7475ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 74761e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 74771e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 74781e9e2be3SAdheer Chandravanshi idx); 74791e9e2be3SAdheer Chandravanshi else 74801e9e2be3SAdheer Chandravanshi ret = -EPERM; 74811e9e2be3SAdheer Chandravanshi 74821e9e2be3SAdheer Chandravanshi return ret; 74831e9e2be3SAdheer Chandravanshi } 74841e9e2be3SAdheer Chandravanshi 74851e9e2be3SAdheer Chandravanshi /** 74861e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 74871e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 74881e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 74891e9e2be3SAdheer Chandravanshi * 74901e9e2be3SAdheer Chandravanshi * This logs in to the specified target 74911e9e2be3SAdheer Chandravanshi **/ 74921e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 74931e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 74941e9e2be3SAdheer Chandravanshi { 74951e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 74961e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 74971e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 74981e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 74991e9e2be3SAdheer Chandravanshi uint32_t options = 0; 75001e9e2be3SAdheer Chandravanshi int ret = 0; 75011e9e2be3SAdheer Chandravanshi 75021e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 75031e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75041e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 75051e9e2be3SAdheer Chandravanshi ret = -EIO; 75061e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75071e9e2be3SAdheer Chandravanshi } 75081e9e2be3SAdheer Chandravanshi 75091e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75101e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 75111e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 75121e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 75131e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 75141e9e2be3SAdheer Chandravanshi __func__)); 75151e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 75161e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75171e9e2be3SAdheer Chandravanshi } 75181e9e2be3SAdheer Chandravanshi 7519c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 75201e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 75211e9e2be3SAdheer Chandravanshi 75221e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 75231e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 75241e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75251e9e2be3SAdheer Chandravanshi 75261e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 75271e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 75281e9e2be3SAdheer Chandravanshi 75291e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 7530ad8bd45eSManish Rangankar ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, 7531ad8bd45eSManish Rangankar fnode_sess->target_id); 75321e9e2be3SAdheer Chandravanshi else 75331e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 75341e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 75351e9e2be3SAdheer Chandravanshi 75361e9e2be3SAdheer Chandravanshi if (ret > 0) 75371e9e2be3SAdheer Chandravanshi ret = -EIO; 75381e9e2be3SAdheer Chandravanshi 75391e9e2be3SAdheer Chandravanshi exit_ddb_login: 75401e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 75411e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75421e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 75431e9e2be3SAdheer Chandravanshi return ret; 75441e9e2be3SAdheer Chandravanshi } 75451e9e2be3SAdheer Chandravanshi 75461e9e2be3SAdheer Chandravanshi /** 75471e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 75481e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 75491e9e2be3SAdheer Chandravanshi * 75501e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 75511e9e2be3SAdheer Chandravanshi **/ 75521e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 75531e9e2be3SAdheer Chandravanshi { 75541e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 75551e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 75561e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 75571e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75581e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 75591e9e2be3SAdheer Chandravanshi unsigned long flags; 75601e9e2be3SAdheer Chandravanshi unsigned long wtime; 75611e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 75621e9e2be3SAdheer Chandravanshi int options; 75631e9e2be3SAdheer Chandravanshi int ret = 0; 75641e9e2be3SAdheer Chandravanshi 75651e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 75661e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 75671e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 75681e9e2be3SAdheer Chandravanshi 75691e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 75701e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 75711e9e2be3SAdheer Chandravanshi __func__); 75721e9e2be3SAdheer Chandravanshi ret = -ENXIO; 75731e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 75741e9e2be3SAdheer Chandravanshi } 75751e9e2be3SAdheer Chandravanshi 757637719c2aSAdheer Chandravanshi if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 757737719c2aSAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 757837719c2aSAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 757937719c2aSAdheer Chandravanshi __func__); 758037719c2aSAdheer Chandravanshi ret = -EPERM; 758137719c2aSAdheer Chandravanshi goto exit_ddb_logout; 758237719c2aSAdheer Chandravanshi } 758337719c2aSAdheer Chandravanshi 75841e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75851e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 75861e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 75871e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75881e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 75891e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 75901e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 75911e9e2be3SAdheer Chandravanshi } 75921e9e2be3SAdheer Chandravanshi 759399c6a33bSAdheer Chandravanshi if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 759499c6a33bSAdheer Chandravanshi goto ddb_logout_init; 759599c6a33bSAdheer Chandravanshi 759699c6a33bSAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 759799c6a33bSAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 759899c6a33bSAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 759999c6a33bSAdheer Chandravanshi NULL, NULL); 760099c6a33bSAdheer Chandravanshi if (ret == QLA_ERROR) 760199c6a33bSAdheer Chandravanshi goto ddb_logout_init; 760299c6a33bSAdheer Chandravanshi 760399c6a33bSAdheer Chandravanshi if (ddb_state == DDB_DS_SESSION_ACTIVE) 760499c6a33bSAdheer Chandravanshi goto ddb_logout_init; 760599c6a33bSAdheer Chandravanshi 760699c6a33bSAdheer Chandravanshi /* wait until next relogin is triggered using DF_RELOGIN and 760799c6a33bSAdheer Chandravanshi * clear DF_RELOGIN to avoid invocation of further relogin 760899c6a33bSAdheer Chandravanshi */ 760999c6a33bSAdheer Chandravanshi wtime = jiffies + (HZ * RELOGIN_TOV); 761099c6a33bSAdheer Chandravanshi do { 761199c6a33bSAdheer Chandravanshi if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) 761299c6a33bSAdheer Chandravanshi goto ddb_logout_init; 761399c6a33bSAdheer Chandravanshi 761499c6a33bSAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 761599c6a33bSAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 761699c6a33bSAdheer Chandravanshi 761799c6a33bSAdheer Chandravanshi ddb_logout_init: 761899c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 761999c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->relogin_timer, 0); 762099c6a33bSAdheer Chandravanshi 762199c6a33bSAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 762299c6a33bSAdheer Chandravanshi qla4xxx_session_logout_ddb(ha, ddb_entry, options); 762399c6a33bSAdheer Chandravanshi 762499c6a33bSAdheer Chandravanshi memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 76251e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 76261e9e2be3SAdheer Chandravanshi do { 76271e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 76281e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 76291e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 76301e9e2be3SAdheer Chandravanshi NULL, NULL); 76311e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 76321e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76331e9e2be3SAdheer Chandravanshi 76341e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 76351e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 76361e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76371e9e2be3SAdheer Chandravanshi 76381e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 76391e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 76401e9e2be3SAdheer Chandravanshi 76411e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 76421e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 76431e9e2be3SAdheer Chandravanshi /* 76441e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 76451e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 76461e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 76471e9e2be3SAdheer Chandravanshi * session 76481e9e2be3SAdheer Chandravanshi **/ 76491e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 76501e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 76511e9e2be3SAdheer Chandravanshi 76521e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 76531e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 765499c6a33bSAdheer Chandravanshi clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 76551e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 76561e9e2be3SAdheer Chandravanshi 76571e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 76581e9e2be3SAdheer Chandravanshi 765999c6a33bSAdheer Chandravanshi clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); 76601e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 76611e9e2be3SAdheer Chandravanshi 76621e9e2be3SAdheer Chandravanshi exit_ddb_logout: 76631e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 76641e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 76651e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 76661e9e2be3SAdheer Chandravanshi return ret; 76671e9e2be3SAdheer Chandravanshi } 76681e9e2be3SAdheer Chandravanshi 76691e9e2be3SAdheer Chandravanshi /** 76701e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 76711e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 76721e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 76731e9e2be3SAdheer Chandravanshi * 76741e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 76751e9e2be3SAdheer Chandravanshi **/ 76761e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 76771e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 76781e9e2be3SAdheer Chandravanshi { 76791e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 76801e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 76811e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 76821e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 76831e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 76841e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 76851e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 76861e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 76871e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 76881e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 76891e9e2be3SAdheer Chandravanshi int idx, index; 76901e9e2be3SAdheer Chandravanshi int status, ret = 0; 76911e9e2be3SAdheer Chandravanshi 76921e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 76931e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 76941e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 76951e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 76961e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 76971e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76981e9e2be3SAdheer Chandravanshi } 76991e9e2be3SAdheer Chandravanshi 77001e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 77011e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 77021e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77031e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77041e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77051e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77061e9e2be3SAdheer Chandravanshi } 77071e9e2be3SAdheer Chandravanshi 77081e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 77091e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 77101e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77111e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77121e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77131e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77141e9e2be3SAdheer Chandravanshi } 77151e9e2be3SAdheer Chandravanshi 77161e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 77171e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77181e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 77191e9e2be3SAdheer Chandravanshi __func__); 77201e9e2be3SAdheer Chandravanshi ret = -EPERM; 77211e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77221e9e2be3SAdheer Chandravanshi } 77231e9e2be3SAdheer Chandravanshi 77241e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 77251e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77261e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 77271e9e2be3SAdheer Chandravanshi __func__); 77281e9e2be3SAdheer Chandravanshi ret = -EPERM; 77291e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77301e9e2be3SAdheer Chandravanshi } 77311e9e2be3SAdheer Chandravanshi 77321e9e2be3SAdheer Chandravanshi strncpy(flash_tddb->iscsi_name, fnode_sess->targetname, 77331e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 77341e9e2be3SAdheer Chandravanshi 7735c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 77361e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 77371e9e2be3SAdheer Chandravanshi else 77381e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 77391e9e2be3SAdheer Chandravanshi 77401e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 77411e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 77421e9e2be3SAdheer Chandravanshi 77431e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 77441e9e2be3SAdheer Chandravanshi 77451e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 77461e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 77471e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 77481e9e2be3SAdheer Chandravanshi continue; 77491e9e2be3SAdheer Chandravanshi 77501e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 77511e9e2be3SAdheer Chandravanshi continue; 77521e9e2be3SAdheer Chandravanshi 77531e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 77541e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 77551e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 77561e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 77571e9e2be3SAdheer Chandravanshi &conn_id); 77581e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 77591e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77601e9e2be3SAdheer Chandravanshi break; 77611e9e2be3SAdheer Chandravanshi } 77621e9e2be3SAdheer Chandravanshi 77631e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 77641e9e2be3SAdheer Chandravanshi 77651e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 77661e9e2be3SAdheer Chandravanshi true); 77671e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 77681e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 77691e9e2be3SAdheer Chandravanshi break; 77701e9e2be3SAdheer Chandravanshi } 77711e9e2be3SAdheer Chandravanshi } 77721e9e2be3SAdheer Chandravanshi 77731e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 77741e9e2be3SAdheer Chandravanshi ret = -ESRCH; 77751e9e2be3SAdheer Chandravanshi 77761e9e2be3SAdheer Chandravanshi exit_ddb_logout: 77771e9e2be3SAdheer Chandravanshi if (flash_tddb) 77781e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 77791e9e2be3SAdheer Chandravanshi if (tmp_tddb) 77801e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 77811e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 77821e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 77831e9e2be3SAdheer Chandravanshi 77841e9e2be3SAdheer Chandravanshi return ret; 77851e9e2be3SAdheer Chandravanshi } 77861e9e2be3SAdheer Chandravanshi 77871e9e2be3SAdheer Chandravanshi static int 77881e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 77891e9e2be3SAdheer Chandravanshi int param, char *buf) 77901e9e2be3SAdheer Chandravanshi { 77911e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 77921e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 77931e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 77941e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 77951e9e2be3SAdheer Chandravanshi struct device *dev; 7796a2f76636SAdheer Chandravanshi int parent_type; 77971e9e2be3SAdheer Chandravanshi int rc = 0; 77981e9e2be3SAdheer Chandravanshi 77998526cb11SMike Christie dev = iscsi_find_flashnode_conn(fnode_sess); 78001e9e2be3SAdheer Chandravanshi if (!dev) 78011e9e2be3SAdheer Chandravanshi return -EIO; 78021e9e2be3SAdheer Chandravanshi 78031e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 78041e9e2be3SAdheer Chandravanshi 78051e9e2be3SAdheer Chandravanshi switch (param) { 78061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 78071e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 78081e9e2be3SAdheer Chandravanshi break; 78091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 78101e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 78111e9e2be3SAdheer Chandravanshi break; 78121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 78131e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 78141e9e2be3SAdheer Chandravanshi break; 78151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 78161e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 78171e9e2be3SAdheer Chandravanshi break; 78181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 78191e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 78201e9e2be3SAdheer Chandravanshi break; 78211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 78221e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 78231e9e2be3SAdheer Chandravanshi break; 78241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 78251e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 78261e9e2be3SAdheer Chandravanshi break; 78271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 78281e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 78291e9e2be3SAdheer Chandravanshi break; 78301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 78311e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 78321e9e2be3SAdheer Chandravanshi break; 78331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 78341e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 78351e9e2be3SAdheer Chandravanshi break; 78361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 78371e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 78381e9e2be3SAdheer Chandravanshi break; 78391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 78401e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 78411e9e2be3SAdheer Chandravanshi break; 78421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 78431e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 78441e9e2be3SAdheer Chandravanshi break; 78451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 78461e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 78471e9e2be3SAdheer Chandravanshi break; 78481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 78491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 78501e9e2be3SAdheer Chandravanshi break; 78511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 78521e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 78531e9e2be3SAdheer Chandravanshi break; 78541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 78551e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 78561e9e2be3SAdheer Chandravanshi break; 78571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 78581e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 78591e9e2be3SAdheer Chandravanshi break; 78601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 78611e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 78621e9e2be3SAdheer Chandravanshi break; 78631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 78641e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 78651e9e2be3SAdheer Chandravanshi break; 78661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 78671e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 78681e9e2be3SAdheer Chandravanshi break; 78691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 78701e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 78711e9e2be3SAdheer Chandravanshi break; 78721e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 78731e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 78741e9e2be3SAdheer Chandravanshi break; 78751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 78761e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 78771e9e2be3SAdheer Chandravanshi break; 78781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 78791e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 78801e9e2be3SAdheer Chandravanshi break; 78811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 78821e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 78831e9e2be3SAdheer Chandravanshi break; 78841e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 78851e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 78861e9e2be3SAdheer Chandravanshi break; 78871e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 78881e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 78891e9e2be3SAdheer Chandravanshi break; 78901e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 78911e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 78921e9e2be3SAdheer Chandravanshi break; 78931e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 78941e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 78951e9e2be3SAdheer Chandravanshi break; 78961e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 78971e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n", 78981e9e2be3SAdheer Chandravanshi fnode_sess->isid[0], fnode_sess->isid[1], 78991e9e2be3SAdheer Chandravanshi fnode_sess->isid[2], fnode_sess->isid[3], 79001e9e2be3SAdheer Chandravanshi fnode_sess->isid[4], fnode_sess->isid[5]); 79011e9e2be3SAdheer Chandravanshi break; 79021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 79031e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 79041e9e2be3SAdheer Chandravanshi break; 79051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 79061e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 79071e9e2be3SAdheer Chandravanshi break; 79081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 79091e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 79101e9e2be3SAdheer Chandravanshi break; 79111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 79121e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79131e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 79141e9e2be3SAdheer Chandravanshi break; 79151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 7916c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79171e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 79181e9e2be3SAdheer Chandravanshi else 79191e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 79201e9e2be3SAdheer Chandravanshi break; 79211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 79221e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 79231e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 79241e9e2be3SAdheer Chandravanshi else 79251e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79261e9e2be3SAdheer Chandravanshi break; 79271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 7928c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79291e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79301e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79311e9e2be3SAdheer Chandravanshi else 79321e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 79331e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79341e9e2be3SAdheer Chandravanshi break; 79351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 79361e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 79371e9e2be3SAdheer Chandravanshi break; 79381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 79391e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 79401e9e2be3SAdheer Chandravanshi break; 79411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 79421e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 79431e9e2be3SAdheer Chandravanshi break; 79441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 7945c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79461e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79471e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 79481e9e2be3SAdheer Chandravanshi else 79491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79501e9e2be3SAdheer Chandravanshi break; 79511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 79521e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 79531e9e2be3SAdheer Chandravanshi break; 79541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 7955c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79571e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 79581e9e2be3SAdheer Chandravanshi else 79591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79601e9e2be3SAdheer Chandravanshi break; 79611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 7962a2f76636SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); 79631e9e2be3SAdheer Chandravanshi break; 79641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 79651e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 79661e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 79671e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 79681e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 7969b6130ceaSVikas Chaudhary else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 79701e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 79711e9e2be3SAdheer Chandravanshi else 79721e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 79731e9e2be3SAdheer Chandravanshi 79741e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 79751e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 79761e9e2be3SAdheer Chandravanshi break; 79771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 79781e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 79791e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 79801e9e2be3SAdheer Chandravanshi else 79811e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79821e9e2be3SAdheer Chandravanshi break; 79831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 79841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 79851e9e2be3SAdheer Chandravanshi break; 79861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 79871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 79881e9e2be3SAdheer Chandravanshi break; 79891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 79901e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 79911e9e2be3SAdheer Chandravanshi break; 79921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 79931e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 79941e9e2be3SAdheer Chandravanshi break; 79951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 79961e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 79971e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 79981e9e2be3SAdheer Chandravanshi chap_tbl.name, 79991e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80001e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80011e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 80021e9e2be3SAdheer Chandravanshi } else { 80031e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80041e9e2be3SAdheer Chandravanshi } 80051e9e2be3SAdheer Chandravanshi break; 80061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 80071e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80081e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80091e9e2be3SAdheer Chandravanshi chap_tbl.name, 80101e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80111e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80121e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 80131e9e2be3SAdheer Chandravanshi } else { 80141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80151e9e2be3SAdheer Chandravanshi } 80161e9e2be3SAdheer Chandravanshi break; 80171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 80181e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 80191e9e2be3SAdheer Chandravanshi break; 80201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 80211e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 80221e9e2be3SAdheer Chandravanshi break; 80231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 80241e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 80251e9e2be3SAdheer Chandravanshi break; 80261e9e2be3SAdheer Chandravanshi default: 80271e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 80281e9e2be3SAdheer Chandravanshi break; 80291e9e2be3SAdheer Chandravanshi } 80308526cb11SMike Christie 80318526cb11SMike Christie put_device(dev); 80321e9e2be3SAdheer Chandravanshi return rc; 80331e9e2be3SAdheer Chandravanshi } 80341e9e2be3SAdheer Chandravanshi 80351e9e2be3SAdheer Chandravanshi /** 80361e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 80371e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 80381e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 80391e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 80401e9e2be3SAdheer Chandravanshi * @len: len of data 80411e9e2be3SAdheer Chandravanshi * 80421e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 80431e9e2be3SAdheer Chandravanshi **/ 80441e9e2be3SAdheer Chandravanshi static int 80451e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 80461e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 80471e9e2be3SAdheer Chandravanshi void *data, int len) 80481e9e2be3SAdheer Chandravanshi { 80491e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 80501e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 80511e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 8052244c079bSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 80531e9e2be3SAdheer Chandravanshi struct nlattr *attr; 8054244c079bSAdheer Chandravanshi uint16_t chap_out_idx = INVALID_ENTRY; 80551e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 80561e9e2be3SAdheer Chandravanshi uint32_t rem = len; 80571e9e2be3SAdheer Chandravanshi 8058244c079bSAdheer Chandravanshi memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); 80591e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 80601e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 80611e9e2be3SAdheer Chandravanshi 80621e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 80631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 80641e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 80651e9e2be3SAdheer Chandravanshi break; 80661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 80671e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 80681e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 80691e9e2be3SAdheer Chandravanshi break; 80701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 80711e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 80721e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 80731e9e2be3SAdheer Chandravanshi break; 80741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 80751e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 80761e9e2be3SAdheer Chandravanshi break; 80771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 80781e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 80791e9e2be3SAdheer Chandravanshi break; 80801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 80811e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 80821e9e2be3SAdheer Chandravanshi break; 80831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 80841e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 80851e9e2be3SAdheer Chandravanshi break; 80861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 80871e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 80881e9e2be3SAdheer Chandravanshi break; 80891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 80901e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 80911e9e2be3SAdheer Chandravanshi break; 80921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 80931e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 80941e9e2be3SAdheer Chandravanshi break; 80951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 80961e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 80971e9e2be3SAdheer Chandravanshi break; 80981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 80991e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 8100244c079bSAdheer Chandravanshi /* Invalidate chap index if chap auth is disabled */ 8101244c079bSAdheer Chandravanshi if (!fnode_sess->chap_auth_en) 8102244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = INVALID_ENTRY; 8103244c079bSAdheer Chandravanshi 81041e9e2be3SAdheer Chandravanshi break; 81051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 81061e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 81071e9e2be3SAdheer Chandravanshi break; 81081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 81091e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 81101e9e2be3SAdheer Chandravanshi break; 81111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 81121e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 81131e9e2be3SAdheer Chandravanshi break; 81141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 81151e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 81161e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81171e9e2be3SAdheer Chandravanshi break; 81181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 81191e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 81201e9e2be3SAdheer Chandravanshi break; 81211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 81221e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 81231e9e2be3SAdheer Chandravanshi break; 81241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 81251e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 81261e9e2be3SAdheer Chandravanshi break; 81271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 81281e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 81291e9e2be3SAdheer Chandravanshi break; 81301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 81311e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 81321e9e2be3SAdheer Chandravanshi break; 81331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 81341e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 81351e9e2be3SAdheer Chandravanshi break; 81361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 81371e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 81381e9e2be3SAdheer Chandravanshi break; 81391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 81401e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 81411e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81421e9e2be3SAdheer Chandravanshi break; 81431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 81441e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 81451e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81461e9e2be3SAdheer Chandravanshi break; 81471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 81481e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 81491e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81501e9e2be3SAdheer Chandravanshi break; 81511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 81521e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 81531e9e2be3SAdheer Chandravanshi break; 81541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 81551e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 81561e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81571e9e2be3SAdheer Chandravanshi break; 81581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 81591e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 81601e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81611e9e2be3SAdheer Chandravanshi break; 81621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 81631e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 81641e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81651e9e2be3SAdheer Chandravanshi break; 81661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 81671e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 81681e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 81691e9e2be3SAdheer Chandravanshi break; 81701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 81711e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 81721e9e2be3SAdheer Chandravanshi break; 81731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 81741e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 81751e9e2be3SAdheer Chandravanshi break; 81761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 81771e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 81781e9e2be3SAdheer Chandravanshi break; 81791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 81801e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 81811e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81821e9e2be3SAdheer Chandravanshi break; 81831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 81841e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 81851e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 81861e9e2be3SAdheer Chandravanshi break; 81871e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 81881e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 81891e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 81901e9e2be3SAdheer Chandravanshi break; 81911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 81921e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 81931e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 81941e9e2be3SAdheer Chandravanshi break; 81951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 81961e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 81971e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81981e9e2be3SAdheer Chandravanshi break; 81991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 82001e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 82011e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82021e9e2be3SAdheer Chandravanshi break; 82031e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 82041e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 82051e9e2be3SAdheer Chandravanshi break; 82061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 82071e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 82081e9e2be3SAdheer Chandravanshi break; 82091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 82101e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 82111e9e2be3SAdheer Chandravanshi break; 82121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 82131e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 82141e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82151e9e2be3SAdheer Chandravanshi break; 82161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 82171e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 82181e9e2be3SAdheer Chandravanshi break; 82191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 82201e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 82211e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 82221e9e2be3SAdheer Chandravanshi break; 822365560166SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 822465560166SAdheer Chandravanshi fnode_sess->discovery_parent_idx = 82251e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82261e9e2be3SAdheer Chandravanshi break; 82271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 82281e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 82291e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82301e9e2be3SAdheer Chandravanshi break; 82311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 82321e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 82331e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82341e9e2be3SAdheer Chandravanshi break; 82351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 82361e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 82371e9e2be3SAdheer Chandravanshi break; 82381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 82391e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 82401e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 82411e9e2be3SAdheer Chandravanshi break; 8242244c079bSAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 8243244c079bSAdheer Chandravanshi chap_out_idx = *(uint16_t *)fnode_param->value; 8244244c079bSAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, 8245244c079bSAdheer Chandravanshi chap_tbl.name, 8246244c079bSAdheer Chandravanshi chap_tbl.secret, 8247244c079bSAdheer Chandravanshi chap_out_idx)) { 8248244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = chap_out_idx; 8249244c079bSAdheer Chandravanshi /* Enable chap auth if chap index is valid */ 8250244c079bSAdheer Chandravanshi fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; 8251244c079bSAdheer Chandravanshi } 8252244c079bSAdheer Chandravanshi break; 82531e9e2be3SAdheer Chandravanshi default: 82541e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 82551e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 82561e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 82571e9e2be3SAdheer Chandravanshi goto exit_set_param; 82581e9e2be3SAdheer Chandravanshi } 82591e9e2be3SAdheer Chandravanshi } 82601e9e2be3SAdheer Chandravanshi 82611e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 82621e9e2be3SAdheer Chandravanshi 82631e9e2be3SAdheer Chandravanshi exit_set_param: 82641e9e2be3SAdheer Chandravanshi return rc; 82651e9e2be3SAdheer Chandravanshi } 82661e9e2be3SAdheer Chandravanshi 82671e9e2be3SAdheer Chandravanshi /** 82681e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 82691e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 82701e9e2be3SAdheer Chandravanshi * 82711e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 82721e9e2be3SAdheer Chandravanshi **/ 82731e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 82741e9e2be3SAdheer Chandravanshi { 82751e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 82761e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 82771e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 82781e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 82791e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 82801e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 82811e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 8282b6130ceaSVikas Chaudhary size_t ddb_size = 0; 8283039acc1eSAdheer Chandravanshi void *pddb = NULL; 82841e9e2be3SAdheer Chandravanshi int target_id; 82851e9e2be3SAdheer Chandravanshi int rc = 0; 82861e9e2be3SAdheer Chandravanshi 82871e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 82881e9e2be3SAdheer Chandravanshi rc = -EPERM; 82891e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 82901e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 82911e9e2be3SAdheer Chandravanshi __func__)); 82921e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 82931e9e2be3SAdheer Chandravanshi } 82941e9e2be3SAdheer Chandravanshi 82951e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 82961e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 82971e9e2be3SAdheer Chandravanshi 82981e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 82991e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 8300039acc1eSAdheer Chandravanshi dev_db_end_offset = FLASH_OFFSET_DB_END; 8301039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8302039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 8303039acc1eSAdheer Chandravanshi ddb_size = sizeof(*fw_ddb_entry); 83041e9e2be3SAdheer Chandravanshi } else { 83051e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 83061e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 83071e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 83081e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 83091e9e2be3SAdheer Chandravanshi */ 83101e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 83111e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 83121e9e2be3SAdheer Chandravanshi 8313039acc1eSAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + 8314039acc1eSAdheer Chandravanshi (ha->hw.flt_ddb_size / 2); 8315039acc1eSAdheer Chandravanshi 8316039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8317039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 83181bcb5619SAdheer Chandravanshi dev_db_start_offset += offsetof(struct dev_db_entry, cookie); 83191e9e2be3SAdheer Chandravanshi 8320039acc1eSAdheer Chandravanshi ddb_size = sizeof(*ddb_cookie); 8321039acc1eSAdheer Chandravanshi } 8322039acc1eSAdheer Chandravanshi 83231e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 83241e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 83251e9e2be3SAdheer Chandravanshi 83261e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 83271e9e2be3SAdheer Chandravanshi rc = -EIO; 83281e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 83291e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 83301e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83311e9e2be3SAdheer Chandravanshi } 83321e9e2be3SAdheer Chandravanshi 8333039acc1eSAdheer Chandravanshi pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, 8334039acc1eSAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 8335039acc1eSAdheer Chandravanshi if (!pddb) { 8336039acc1eSAdheer Chandravanshi rc = -ENOMEM; 8337039acc1eSAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 8338039acc1eSAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 8339039acc1eSAdheer Chandravanshi __func__)); 8340039acc1eSAdheer Chandravanshi goto exit_ddb_del; 8341039acc1eSAdheer Chandravanshi } 8342039acc1eSAdheer Chandravanshi 8343039acc1eSAdheer Chandravanshi if (is_qla40XX(ha)) { 8344039acc1eSAdheer Chandravanshi fw_ddb_entry = pddb; 8345039acc1eSAdheer Chandravanshi memset(fw_ddb_entry, 0, ddb_size); 8346039acc1eSAdheer Chandravanshi ddb_cookie = &fw_ddb_entry->cookie; 8347039acc1eSAdheer Chandravanshi } else { 8348039acc1eSAdheer Chandravanshi ddb_cookie = pddb; 8349039acc1eSAdheer Chandravanshi } 8350039acc1eSAdheer Chandravanshi 83511e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 83521e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 83531e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 8354039acc1eSAdheer Chandravanshi ddb_size, FLASH_OPT_RMW_COMMIT); 83551e9e2be3SAdheer Chandravanshi 83561e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 83571e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 83581e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 83591e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 83601e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 83611e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 83621e9e2be3SAdheer Chandravanshi exit_ddb_del: 8363039acc1eSAdheer Chandravanshi if (pddb) 8364039acc1eSAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, 8365039acc1eSAdheer Chandravanshi fw_ddb_entry_dma); 83661e9e2be3SAdheer Chandravanshi return rc; 83671e9e2be3SAdheer Chandravanshi } 83681e9e2be3SAdheer Chandravanshi 83691e9e2be3SAdheer Chandravanshi /** 83701e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 83711e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 83721e9e2be3SAdheer Chandravanshi * 83731e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 83741e9e2be3SAdheer Chandravanshi **/ 83751e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 83761e9e2be3SAdheer Chandravanshi { 83771e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 83781e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 83791e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 83801e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 83811e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 83821e9e2be3SAdheer Chandravanshi 83831e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 83841e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 83851e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 83861e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 83871e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 83881e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 83891e9e2be3SAdheer Chandravanshi __func__)); 83901e9e2be3SAdheer Chandravanshi return -ENOMEM; 83911e9e2be3SAdheer Chandravanshi } 83921e9e2be3SAdheer Chandravanshi 8393a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 83941e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 83951e9e2be3SAdheer Chandravanshi 83961e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 83971e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 83981e9e2be3SAdheer Chandravanshi idx)) 83991e9e2be3SAdheer Chandravanshi continue; 84001e9e2be3SAdheer Chandravanshi 84011e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 84021e9e2be3SAdheer Chandravanshi if (ret) { 84031e9e2be3SAdheer Chandravanshi ret = -EIO; 84041e9e2be3SAdheer Chandravanshi break; 84051e9e2be3SAdheer Chandravanshi } 84061e9e2be3SAdheer Chandravanshi } 84071e9e2be3SAdheer Chandravanshi 84081e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 84091e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 84101e9e2be3SAdheer Chandravanshi 84111e9e2be3SAdheer Chandravanshi return ret; 84121e9e2be3SAdheer Chandravanshi } 84131e9e2be3SAdheer Chandravanshi 84141e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 84151e9e2be3SAdheer Chandravanshi { 84161e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 84171e9e2be3SAdheer Chandravanshi } 84181e9e2be3SAdheer Chandravanshi 84194a4bc2e9SLalit Chandivade /** 84204a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 84214a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 84224a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 84234a4bc2e9SLalit Chandivade * 84244a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 84254a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 84264a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 84274a4bc2e9SLalit Chandivade * objects. 84284a4bc2e9SLalit Chandivade **/ 84294a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 84304a4bc2e9SLalit Chandivade { 84314a4bc2e9SLalit Chandivade uint16_t tmo = 0; 84324a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 84334a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 84344a4bc2e9SLalit Chandivade unsigned long wtime; 84354a4bc2e9SLalit Chandivade 84364a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 84374a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 84384a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 84394a4bc2e9SLalit Chandivade return; 84404a4bc2e9SLalit Chandivade } 84414a4bc2e9SLalit Chandivade 84424a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 84434a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 84444a4bc2e9SLalit Chandivade 84454a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 84464a4bc2e9SLalit Chandivade 844713483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 844813483730SMike Christie * Note, conn open fails if IPs are not configured 844913483730SMike Christie */ 845013483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 845113483730SMike Christie 845213483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 845313483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 845413483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 845513483730SMike Christie } 845613483730SMike Christie 845713483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 8458c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 8459c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 8460c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 8461c28eaacaSNilesh Javali 846213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 846313483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 846413483730SMike Christie 846513483730SMike Christie wtime = jiffies + (HZ * tmo); 846613483730SMike Christie do { 8467f1f2e60eSNilesh Javali if (list_empty(&list_st)) 8468f1f2e60eSNilesh Javali break; 8469f1f2e60eSNilesh Javali 84704a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 847113483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 847213483730SMike Christie } while (time_after(wtime, jiffies)); 847313483730SMike Christie 8474ad8bd45eSManish Rangankar 8475ad8bd45eSManish Rangankar qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); 8476ad8bd45eSManish Rangankar 84774a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 84784a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 847913483730SMike Christie 848013483730SMike Christie qla4xxx_free_ddb_index(ha); 848113483730SMike Christie } 848213483730SMike Christie 8483afaf5a2dSDavid Somayajulu /** 84841dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 84851dc8ed5dSManish Rangankar * response. 84861dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 84871dc8ed5dSManish Rangankar * 84881dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 84891dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 84901dc8ed5dSManish Rangankar * probe. 84911dc8ed5dSManish Rangankar **/ 84921dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 84931dc8ed5dSManish Rangankar { 84941dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 84951dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 84961dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 84971dc8ed5dSManish Rangankar unsigned long wtime; 84981dc8ed5dSManish Rangankar uint32_t ddb_state; 84991dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 85001dc8ed5dSManish Rangankar 85011dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 85021dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 85031dc8ed5dSManish Rangankar 85041dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85051dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 85061dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 85071dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 85081dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 85091dc8ed5dSManish Rangankar goto exit_login_resp; 85101dc8ed5dSManish Rangankar } 85111dc8ed5dSManish Rangankar 85121dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 85131dc8ed5dSManish Rangankar 85141dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 85151dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 85161dc8ed5dSManish Rangankar if (ddb_entry == NULL) 85171dc8ed5dSManish Rangankar continue; 85181dc8ed5dSManish Rangankar 85191dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 85201dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85211dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 85221dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 85231dc8ed5dSManish Rangankar do { 85241dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 85251dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 85261dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 85271dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 85281dc8ed5dSManish Rangankar NULL, NULL); 85291dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 85301dc8ed5dSManish Rangankar goto exit_login_resp; 85311dc8ed5dSManish Rangankar 85321dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 85331dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 85341dc8ed5dSManish Rangankar break; 85351dc8ed5dSManish Rangankar 85361dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 85371dc8ed5dSManish Rangankar 85381dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 85391dc8ed5dSManish Rangankar 85401dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 85411dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85421dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 85431dc8ed5dSManish Rangankar __func__)); 85441dc8ed5dSManish Rangankar goto exit_login_resp; 85451dc8ed5dSManish Rangankar } 85461dc8ed5dSManish Rangankar } 85471dc8ed5dSManish Rangankar } 85481dc8ed5dSManish Rangankar 85491dc8ed5dSManish Rangankar exit_login_resp: 85501dc8ed5dSManish Rangankar if (fw_ddb_entry) 85511dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85521dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 85531dc8ed5dSManish Rangankar } 85541dc8ed5dSManish Rangankar 85551dc8ed5dSManish Rangankar /** 8556afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 8557afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 8558afaf5a2dSDavid Somayajulu * @pci_device_id: pointer to pci_device entry 8559afaf5a2dSDavid Somayajulu * 8560afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 8561afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 8562afaf5a2dSDavid Somayajulu * the driver. 8563afaf5a2dSDavid Somayajulu **/ 85646f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 8565afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 8566afaf5a2dSDavid Somayajulu { 8567afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 8568afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 8569afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8570afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 8571afaf5a2dSDavid Somayajulu char buf[34]; 8572f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 8573f9880e76SPrasanna Mumbai uint32_t dev_state; 8574afaf5a2dSDavid Somayajulu 8575afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 8576afaf5a2dSDavid Somayajulu return -1; 8577afaf5a2dSDavid Somayajulu 8578b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 8579afaf5a2dSDavid Somayajulu if (host == NULL) { 8580afaf5a2dSDavid Somayajulu printk(KERN_WARNING 8581afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 8582afaf5a2dSDavid Somayajulu goto probe_disable_device; 8583afaf5a2dSDavid Somayajulu } 8584afaf5a2dSDavid Somayajulu 8585afaf5a2dSDavid Somayajulu /* Clear our data area */ 8586b3a271a9SManish Rangankar ha = to_qla_host(host); 8587afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 8588afaf5a2dSDavid Somayajulu 8589afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 8590afaf5a2dSDavid Somayajulu ha->pdev = pdev; 8591afaf5a2dSDavid Somayajulu ha->host = host; 8592afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 85936e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 8594afaf5a2dSDavid Somayajulu 85952232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 85962232be0dSLalit Chandivade 8597f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 8598f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 85997664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 860033693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 8601f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 8602f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 8603f4f5df23SVikas Chaudhary ha->curr_window = 255; 8604f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 8605f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 8606f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 8607f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 8608f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 8609f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 8610b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 86116e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 86126e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 8613f4f5df23SVikas Chaudhary } else { 8614f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 8615f4f5df23SVikas Chaudhary } 8616f4f5df23SVikas Chaudhary 86176e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 86186e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 86196e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 86202232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 86212232be0dSLalit Chandivade pdev->needs_freset = 1; 86226e7b4292SVikas Chaudhary } 86232232be0dSLalit Chandivade 8624afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 8625f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 8626afaf5a2dSDavid Somayajulu if (ret) 8627f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 8628afaf5a2dSDavid Somayajulu 8629c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 8630afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 8631afaf5a2dSDavid Somayajulu 8632afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 8633afaf5a2dSDavid Somayajulu 8634afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 8635afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 8636afaf5a2dSDavid Somayajulu 8637afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 86384549415aSLalit Chandivade mutex_init(&ha->chap_sem); 8639f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 864095d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8641df86f771SVikas Chaudhary init_completion(&ha->idc_comp); 8642df86f771SVikas Chaudhary init_completion(&ha->link_up_comp); 8643df86f771SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8644afaf5a2dSDavid Somayajulu 8645afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 86468e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 8647afaf5a2dSDavid Somayajulu 8648ff884430SVikas Chaudhary /* Initialize work list */ 8649ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 8650ff884430SVikas Chaudhary 8651afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 8652afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 8653c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 8654afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 8655afaf5a2dSDavid Somayajulu 8656afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8657afaf5a2dSDavid Somayajulu goto probe_failed; 8658afaf5a2dSDavid Somayajulu } 8659afaf5a2dSDavid Somayajulu 8660b3a271a9SManish Rangankar host->cmd_per_lun = 3; 8661b3a271a9SManish Rangankar host->max_channel = 0; 8662b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 8663b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 8664b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 8665b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 8666b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 8667b3a271a9SManish Rangankar 8668b3a271a9SManish Rangankar ret = scsi_init_shared_tag_map(host, MAX_SRBS); 8669b3a271a9SManish Rangankar if (ret) { 8670b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 8671b3a271a9SManish Rangankar "%s: scsi_init_shared_tag_map failed\n", __func__); 8672b3a271a9SManish Rangankar goto probe_failed; 8673b3a271a9SManish Rangankar } 8674b3a271a9SManish Rangankar 8675b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 8676b3a271a9SManish Rangankar 8677b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 8678b3a271a9SManish Rangankar if (ret) 8679b3a271a9SManish Rangankar goto probe_failed; 8680b3a271a9SManish Rangankar 86816e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 86826e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 86836e7b4292SVikas Chaudhary 8684b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 86856e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 86866e7b4292SVikas Chaudhary /* 86876e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 86886e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 86896e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 86906e7b4292SVikas Chaudhary * should honor the reset. 86916e7b4292SVikas Chaudhary */ 86926e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 86936e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 86946e7b4292SVikas Chaudhary } 8695f4f5df23SVikas Chaudhary 8696afaf5a2dSDavid Somayajulu /* 8697afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 8698afaf5a2dSDavid Somayajulu * firmware 8699afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 8700afaf5a2dSDavid Somayajulu */ 870113483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 87027977f825SPoornima Vonti 87037977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 870437418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) 87057977f825SPoornima Vonti goto skip_retry_init; 87067977f825SPoornima Vonti 8707f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 8708f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 8709f9880e76SPrasanna Mumbai 87106e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 871133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 871233693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 8713e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 871433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8715de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 8716f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 8717f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 8718f9880e76SPrasanna Mumbai __func__); 8719f9880e76SPrasanna Mumbai break; 8720f9880e76SPrasanna Mumbai } 8721f9880e76SPrasanna Mumbai } 8722afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 8723afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 8724f4f5df23SVikas Chaudhary 8725f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 8726f4f5df23SVikas Chaudhary continue; 8727f4f5df23SVikas Chaudhary 872813483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 872937418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 873037418cc6SNilesh Javali if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) 873137418cc6SNilesh Javali goto skip_retry_init; 873237418cc6SNilesh Javali } 8733afaf5a2dSDavid Somayajulu } 8734f4f5df23SVikas Chaudhary 87357977f825SPoornima Vonti skip_retry_init: 8736f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 8737c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 8738afaf5a2dSDavid Somayajulu 87396e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 8740b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 8741b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 8742fe998527SLalit Chandivade /* Put the device in failed state. */ 8743fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 874433693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 874533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8746de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 874733693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8748fe998527SLalit Chandivade } 8749afaf5a2dSDavid Somayajulu ret = -ENODEV; 8750b3a271a9SManish Rangankar goto remove_host; 8751afaf5a2dSDavid Somayajulu } 8752afaf5a2dSDavid Somayajulu 8753afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 8754afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 8755afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 8756afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 8757afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 8758afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 8759c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 8760afaf5a2dSDavid Somayajulu ret = -ENODEV; 8761b3a271a9SManish Rangankar goto remove_host; 8762afaf5a2dSDavid Somayajulu } 8763c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 8764afaf5a2dSDavid Somayajulu 8765d8537548SKees Cook ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, 8766d8537548SKees Cook ha->host_no); 8767b3a271a9SManish Rangankar if (!ha->task_wq) { 8768b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 8769b3a271a9SManish Rangankar ret = -ENODEV; 8770b3a271a9SManish Rangankar goto remove_host; 8771b3a271a9SManish Rangankar } 8772b3a271a9SManish Rangankar 87736e7b4292SVikas Chaudhary /* 87746e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 8775f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 8776f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 8777f4f5df23SVikas Chaudhary * mbx_intr_enable. 8778f4f5df23SVikas Chaudhary */ 8779ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 8780f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 8781afaf5a2dSDavid Somayajulu if (ret) { 8782f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 8783f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 8784b3a271a9SManish Rangankar goto remove_host; 8785afaf5a2dSDavid Somayajulu } 8786f4f5df23SVikas Chaudhary } 8787afaf5a2dSDavid Somayajulu 87882232be0dSLalit Chandivade pci_save_state(ha->pdev); 8789f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 8790afaf5a2dSDavid Somayajulu 8791afaf5a2dSDavid Somayajulu /* Start timer thread. */ 8792afaf5a2dSDavid Somayajulu qla4xxx_start_timer(ha, qla4xxx_timer, 1); 8793afaf5a2dSDavid Somayajulu 8794afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 8795afaf5a2dSDavid Somayajulu 8796068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 8797068237c8STej Parkash 8798afaf5a2dSDavid Somayajulu printk(KERN_INFO 8799afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 8800afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 8801afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 8802eee06a0fSAdheer Chandravanshi ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, 8803eee06a0fSAdheer Chandravanshi ha->fw_info.fw_patch, ha->fw_info.fw_build); 8804ed1086e0SVikas Chaudhary 8805cfb27874SManish Dusane /* Set the driver version */ 8806cfb27874SManish Dusane if (is_qla80XX(ha)) 8807cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 8808cfb27874SManish Dusane 88092a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 88103573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 88113573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 88122a991c21SManish Rangankar 88131e9e2be3SAdheer Chandravanshi if (qla4xxx_sysfs_ddb_export(ha)) 88141e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 88151e9e2be3SAdheer Chandravanshi "%s: Error exporting ddb to sysfs\n", __func__); 88161e9e2be3SAdheer Chandravanshi 881713483730SMike Christie /* Perform the build ddb list and login to each */ 881813483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 881913483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 88201dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 882113483730SMike Christie 882213483730SMike Christie qla4xxx_create_chap_list(ha); 882313483730SMike Christie 8824ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 8825afaf5a2dSDavid Somayajulu return 0; 8826afaf5a2dSDavid Somayajulu 8827b3a271a9SManish Rangankar remove_host: 8828b3a271a9SManish Rangankar scsi_remove_host(ha->host); 8829b3a271a9SManish Rangankar 8830afaf5a2dSDavid Somayajulu probe_failed: 8831afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8832f4f5df23SVikas Chaudhary 8833f4f5df23SVikas Chaudhary probe_failed_ioconfig: 88342232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8835afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8836afaf5a2dSDavid Somayajulu 8837afaf5a2dSDavid Somayajulu probe_disable_device: 8838afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 8839afaf5a2dSDavid Somayajulu 8840afaf5a2dSDavid Somayajulu return ret; 8841afaf5a2dSDavid Somayajulu } 8842afaf5a2dSDavid Somayajulu 8843afaf5a2dSDavid Somayajulu /** 88447eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 88457eece5a0SKaren Higgins * @ha: pointer to adapter structure 88467eece5a0SKaren Higgins * 88477eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 88487eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 88497eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 88507eece5a0SKaren Higgins **/ 88517eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 88527eece5a0SKaren Higgins { 88537eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 88547eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 88557eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 88567eece5a0SKaren Higgins 88577eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 88587eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 88597eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 88607eece5a0SKaren Higgins 88617eece5a0SKaren Higgins other_pdev = 88627eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 88637eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 88647eece5a0SKaren Higgins fn)); 88657eece5a0SKaren Higgins 88667eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 88677eece5a0SKaren Higgins if (other_pdev) { 88687eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 88697eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 88707eece5a0SKaren Higgins if (other_ha) { 88717eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 88727eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 88737eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 88747eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 88757eece5a0SKaren Higgins } 88767eece5a0SKaren Higgins } 88777eece5a0SKaren Higgins pci_dev_put(other_pdev); 88787eece5a0SKaren Higgins } 88797eece5a0SKaren Higgins } 88807eece5a0SKaren Higgins 888113483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 888213483730SMike Christie { 888313483730SMike Christie struct ddb_entry *ddb_entry; 888413483730SMike Christie int options; 888513483730SMike Christie int idx; 888613483730SMike Christie 888713483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 888813483730SMike Christie 888913483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 889013483730SMike Christie if ((ddb_entry != NULL) && 889113483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 889213483730SMike Christie 889313483730SMike Christie options = LOGOUT_OPTION_CLOSE_SESSION; 889413483730SMike Christie if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) 889513483730SMike Christie == QLA_ERROR) 889613483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", 889713483730SMike Christie __func__); 889813483730SMike Christie 889913483730SMike Christie qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 890013483730SMike Christie /* 890113483730SMike Christie * we have decremented the reference count of the driver 890213483730SMike Christie * when we setup the session to have the driver unload 890313483730SMike Christie * to be seamless without actually destroying the 890413483730SMike Christie * session 890513483730SMike Christie **/ 890613483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 890713483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 890813483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 890913483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 891013483730SMike Christie } 891113483730SMike Christie } 891213483730SMike Christie } 89137eece5a0SKaren Higgins /** 891459e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 8915afaf5a2dSDavid Somayajulu * @pci_dev: PCI device pointer 8916afaf5a2dSDavid Somayajulu **/ 89176f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 8918afaf5a2dSDavid Somayajulu { 8919afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8920afaf5a2dSDavid Somayajulu 8921f8b0751dSVikas Chaudhary /* 8922f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 8923f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 8924f8b0751dSVikas Chaudhary */ 8925f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 8926f8b0751dSVikas Chaudhary return; 8927f8b0751dSVikas Chaudhary 8928afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 8929afaf5a2dSDavid Somayajulu 8930ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 89317eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 8932bee4fe8eSDavid C Somayajulu 8933ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 8934ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 8935ed1086e0SVikas Chaudhary 893613483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 89372a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 89382a991c21SManish Rangankar 893913483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 8940068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 894113483730SMike Christie 89421e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 8943afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 8944afaf5a2dSDavid Somayajulu 8945afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8946afaf5a2dSDavid Somayajulu 8947afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8948afaf5a2dSDavid Somayajulu 89492232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8950f4f5df23SVikas Chaudhary pci_disable_device(pdev); 8951afaf5a2dSDavid Somayajulu } 8952afaf5a2dSDavid Somayajulu 8953afaf5a2dSDavid Somayajulu /** 8954afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 8955afaf5a2dSDavid Somayajulu * @ha: HA context 8956afaf5a2dSDavid Somayajulu * 8957afaf5a2dSDavid Somayajulu * At exit, the @ha's flags.enable_64bit_addressing set to indicated 8958afaf5a2dSDavid Somayajulu * supported addressing method. 8959afaf5a2dSDavid Somayajulu */ 896047975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 8961afaf5a2dSDavid Somayajulu { 8962afaf5a2dSDavid Somayajulu int retval; 8963afaf5a2dSDavid Somayajulu 8964afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 89656a35528aSYang Hongyang if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { 89666a35528aSYang Hongyang if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { 8967afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 8968afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 8969afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 8970afaf5a2dSDavid Somayajulu retval = pci_set_consistent_dma_mask(ha->pdev, 8971284901a9SYang Hongyang DMA_BIT_MASK(32)); 8972afaf5a2dSDavid Somayajulu } 8973afaf5a2dSDavid Somayajulu } else 8974284901a9SYang Hongyang retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); 8975afaf5a2dSDavid Somayajulu } 8976afaf5a2dSDavid Somayajulu 8977afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 8978afaf5a2dSDavid Somayajulu { 8979b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 8980b3a271a9SManish Rangankar struct iscsi_session *sess; 8981b3a271a9SManish Rangankar struct ddb_entry *ddb; 89828bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 8983afaf5a2dSDavid Somayajulu 8984b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 8985b3a271a9SManish Rangankar sess = cls_sess->dd_data; 8986b3a271a9SManish Rangankar ddb = sess->dd_data; 8987b3a271a9SManish Rangankar 8988afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 8989afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 89908bb4033dSVikas Chaudhary 89918bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 89928bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 89938bb4033dSVikas Chaudhary 89948bb4033dSVikas Chaudhary scsi_activate_tcq(sdev, queue_depth); 8995afaf5a2dSDavid Somayajulu return 0; 8996afaf5a2dSDavid Somayajulu } 8997afaf5a2dSDavid Somayajulu 8998afaf5a2dSDavid Somayajulu static int qla4xxx_slave_configure(struct scsi_device *sdev) 8999afaf5a2dSDavid Somayajulu { 9000afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 9001afaf5a2dSDavid Somayajulu return 0; 9002afaf5a2dSDavid Somayajulu } 9003afaf5a2dSDavid Somayajulu 9004afaf5a2dSDavid Somayajulu static void qla4xxx_slave_destroy(struct scsi_device *sdev) 9005afaf5a2dSDavid Somayajulu { 9006afaf5a2dSDavid Somayajulu scsi_deactivate_tcq(sdev, 1); 9007afaf5a2dSDavid Somayajulu } 9008afaf5a2dSDavid Somayajulu 9009f7b4aa63STej Parkash static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, 9010f7b4aa63STej Parkash int reason) 9011f7b4aa63STej Parkash { 9012f7b4aa63STej Parkash if (!ql4xqfulltracking) 9013f7b4aa63STej Parkash return -EOPNOTSUPP; 9014f7b4aa63STej Parkash 9015f7b4aa63STej Parkash return iscsi_change_queue_depth(sdev, qdepth, reason); 9016f7b4aa63STej Parkash } 9017f7b4aa63STej Parkash 9018afaf5a2dSDavid Somayajulu /** 9019afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 9020afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 9021fd589a8fSAnand Gadiyar * @index: index into the active_array 9022afaf5a2dSDavid Somayajulu * 9023afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 9024afaf5a2dSDavid Somayajulu **/ 9025f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 9026f4f5df23SVikas Chaudhary uint32_t index) 9027afaf5a2dSDavid Somayajulu { 9028afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 90295369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 9030afaf5a2dSDavid Somayajulu 90315369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 90325369887aSVikas Chaudhary if (!cmd) 9033afaf5a2dSDavid Somayajulu return srb; 9034afaf5a2dSDavid Somayajulu 90355369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 90365369887aSVikas Chaudhary if (!srb) 9037afaf5a2dSDavid Somayajulu return srb; 9038afaf5a2dSDavid Somayajulu 9039afaf5a2dSDavid Somayajulu /* update counters */ 9040afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 9041afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 9042afaf5a2dSDavid Somayajulu if (srb->cmd) 90435369887aSVikas Chaudhary srb->cmd->host_scribble = 90445369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 9045afaf5a2dSDavid Somayajulu } 9046afaf5a2dSDavid Somayajulu return srb; 9047afaf5a2dSDavid Somayajulu } 9048afaf5a2dSDavid Somayajulu 9049afaf5a2dSDavid Somayajulu /** 9050afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 905109a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 9052afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 9053afaf5a2dSDavid Somayajulu * 9054afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 9055afaf5a2dSDavid Somayajulu * for some max time. 9056afaf5a2dSDavid Somayajulu **/ 9057afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 9058afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 9059afaf5a2dSDavid Somayajulu { 9060afaf5a2dSDavid Somayajulu int done = 0; 9061afaf5a2dSDavid Somayajulu struct srb *rp; 9062afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 90632232be0dSLalit Chandivade int ret = SUCCESS; 90642232be0dSLalit Chandivade 90652232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 90662232be0dSLalit Chandivade * by PCI AER driver 90672232be0dSLalit Chandivade */ 90682232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 90692232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 90702232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 90712232be0dSLalit Chandivade ha->host_no, __func__); 90722232be0dSLalit Chandivade return ret; 90732232be0dSLalit Chandivade } 9074afaf5a2dSDavid Somayajulu 9075afaf5a2dSDavid Somayajulu do { 9076afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 90775369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 9078afaf5a2dSDavid Somayajulu if (rp == NULL) { 9079afaf5a2dSDavid Somayajulu done++; 9080afaf5a2dSDavid Somayajulu break; 9081afaf5a2dSDavid Somayajulu } 9082afaf5a2dSDavid Somayajulu 9083afaf5a2dSDavid Somayajulu msleep(2000); 9084afaf5a2dSDavid Somayajulu } while (max_wait_time--); 9085afaf5a2dSDavid Somayajulu 9086afaf5a2dSDavid Somayajulu return done; 9087afaf5a2dSDavid Somayajulu } 9088afaf5a2dSDavid Somayajulu 9089afaf5a2dSDavid Somayajulu /** 9090afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 9091afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 9092afaf5a2dSDavid Somayajulu **/ 9093afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 9094afaf5a2dSDavid Somayajulu { 9095afaf5a2dSDavid Somayajulu unsigned long wait_online; 9096afaf5a2dSDavid Somayajulu 9097f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 9098afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 9099afaf5a2dSDavid Somayajulu 9100afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 9101afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 9102afaf5a2dSDavid Somayajulu 9103afaf5a2dSDavid Somayajulu msleep(2000); 9104afaf5a2dSDavid Somayajulu } 9105afaf5a2dSDavid Somayajulu 9106afaf5a2dSDavid Somayajulu return QLA_ERROR; 9107afaf5a2dSDavid Somayajulu } 9108afaf5a2dSDavid Somayajulu 9109afaf5a2dSDavid Somayajulu /** 9110ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 9111fd589a8fSAnand Gadiyar * @ha: pointer to HBA 9112afaf5a2dSDavid Somayajulu * @t: target id 9113afaf5a2dSDavid Somayajulu * @l: lun id 9114afaf5a2dSDavid Somayajulu * 9115afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 9116afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 9117afaf5a2dSDavid Somayajulu **/ 9118ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 9119ce545039SMike Christie struct scsi_target *stgt, 9120ce545039SMike Christie struct scsi_device *sdev) 9121afaf5a2dSDavid Somayajulu { 9122afaf5a2dSDavid Somayajulu int cnt; 9123afaf5a2dSDavid Somayajulu int status = 0; 9124afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 9125afaf5a2dSDavid Somayajulu 9126afaf5a2dSDavid Somayajulu /* 9127ce545039SMike Christie * Waiting for all commands for the designated target or dev 9128ce545039SMike Christie * in the active array 9129afaf5a2dSDavid Somayajulu */ 9130afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 9131afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 9132ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 9133ce545039SMike Christie (!sdev || sdev == cmd->device)) { 9134afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 9135afaf5a2dSDavid Somayajulu status++; 9136afaf5a2dSDavid Somayajulu break; 9137afaf5a2dSDavid Somayajulu } 9138afaf5a2dSDavid Somayajulu } 9139afaf5a2dSDavid Somayajulu } 9140afaf5a2dSDavid Somayajulu return status; 9141afaf5a2dSDavid Somayajulu } 9142afaf5a2dSDavid Somayajulu 9143afaf5a2dSDavid Somayajulu /** 914409a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 914509a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 914609a0f719SVikas Chaudhary * 914709a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 914809a0f719SVikas Chaudhary * command. 914909a0f719SVikas Chaudhary **/ 915009a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 915109a0f719SVikas Chaudhary { 915209a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 915309a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 915409a0f719SVikas Chaudhary unsigned int lun = cmd->device->lun; 915592b3e5bbSMike Christie unsigned long flags; 915609a0f719SVikas Chaudhary struct srb *srb = NULL; 915709a0f719SVikas Chaudhary int ret = SUCCESS; 915809a0f719SVikas Chaudhary int wait = 0; 915909a0f719SVikas Chaudhary 9160c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 91615cd049a5SChristoph Hellwig "scsi%ld:%d:%d: Abort command issued cmd=%p\n", 91625cd049a5SChristoph Hellwig ha->host_no, id, lun, cmd); 916309a0f719SVikas Chaudhary 916492b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 916509a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 916692b3e5bbSMike Christie if (!srb) { 916792b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 916809a0f719SVikas Chaudhary return SUCCESS; 916992b3e5bbSMike Christie } 917009a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 917192b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 917209a0f719SVikas Chaudhary 917309a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 917409a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n", 917509a0f719SVikas Chaudhary ha->host_no, id, lun)); 917609a0f719SVikas Chaudhary ret = FAILED; 917709a0f719SVikas Chaudhary } else { 917809a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n", 917909a0f719SVikas Chaudhary ha->host_no, id, lun)); 918009a0f719SVikas Chaudhary wait = 1; 918109a0f719SVikas Chaudhary } 918209a0f719SVikas Chaudhary 918309a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 918409a0f719SVikas Chaudhary 918509a0f719SVikas Chaudhary /* Wait for command to complete */ 918609a0f719SVikas Chaudhary if (wait) { 918709a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 918809a0f719SVikas Chaudhary DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n", 918909a0f719SVikas Chaudhary ha->host_no, id, lun)); 919009a0f719SVikas Chaudhary ret = FAILED; 919109a0f719SVikas Chaudhary } 919209a0f719SVikas Chaudhary } 919309a0f719SVikas Chaudhary 9194c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 919509a0f719SVikas Chaudhary "scsi%ld:%d:%d: Abort command - %s\n", 919625985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 919709a0f719SVikas Chaudhary 919809a0f719SVikas Chaudhary return ret; 919909a0f719SVikas Chaudhary } 920009a0f719SVikas Chaudhary 920109a0f719SVikas Chaudhary /** 9202afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 9203afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9204afaf5a2dSDavid Somayajulu * 9205afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 9206afaf5a2dSDavid Somayajulu * specified target. 9207afaf5a2dSDavid Somayajulu **/ 9208afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 9209afaf5a2dSDavid Somayajulu { 9210afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9211afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 9212afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 9213afaf5a2dSDavid Somayajulu 9214612f7348SKaren Higgins if (!ddb_entry) 9215afaf5a2dSDavid Somayajulu return ret; 9216afaf5a2dSDavid Somayajulu 9217c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9218c01be6dcSMike Christie if (ret) 9219c01be6dcSMike Christie return ret; 9220c01be6dcSMike Christie ret = FAILED; 9221c01be6dcSMike Christie 9222c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9223afaf5a2dSDavid Somayajulu "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no, 9224afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9225afaf5a2dSDavid Somayajulu 9226afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 9227afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 9228afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 9229242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 9230afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 9231afaf5a2dSDavid Somayajulu 9232afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 9233afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 9234afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 9235c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 9236afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9237afaf5a2dSDavid Somayajulu } 9238afaf5a2dSDavid Somayajulu 9239ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9240ce545039SMike Christie cmd->device)) { 9241c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9242afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 9243afaf5a2dSDavid Somayajulu "commands.\n"); 9244afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9245afaf5a2dSDavid Somayajulu } 9246afaf5a2dSDavid Somayajulu 92479d562913SDavid C Somayajulu /* Send marker. */ 92489d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 92499d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 92509d562913SDavid C Somayajulu goto eh_dev_reset_done; 92519d562913SDavid C Somayajulu 9252c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9253afaf5a2dSDavid Somayajulu "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n", 9254afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 9255afaf5a2dSDavid Somayajulu cmd->device->lun); 9256afaf5a2dSDavid Somayajulu 9257afaf5a2dSDavid Somayajulu ret = SUCCESS; 9258afaf5a2dSDavid Somayajulu 9259afaf5a2dSDavid Somayajulu eh_dev_reset_done: 9260afaf5a2dSDavid Somayajulu 9261afaf5a2dSDavid Somayajulu return ret; 9262afaf5a2dSDavid Somayajulu } 9263afaf5a2dSDavid Somayajulu 9264afaf5a2dSDavid Somayajulu /** 9265ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 9266ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 9267ce545039SMike Christie * 9268ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 9269ce545039SMike Christie **/ 9270ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 9271ce545039SMike Christie { 9272ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9273ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 9274c01be6dcSMike Christie int stat, ret; 9275ce545039SMike Christie 9276ce545039SMike Christie if (!ddb_entry) 9277ce545039SMike Christie return FAILED; 9278ce545039SMike Christie 9279c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9280c01be6dcSMike Christie if (ret) 9281c01be6dcSMike Christie return ret; 9282c01be6dcSMike Christie 9283ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9284ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 9285ce545039SMike Christie 9286ce545039SMike Christie DEBUG2(printk(KERN_INFO 9287ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 9288ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 9289242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 9290ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 9291ce545039SMike Christie 9292ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 9293ce545039SMike Christie if (stat != QLA_SUCCESS) { 9294ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9295ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 9296ce545039SMike Christie return FAILED; 9297ce545039SMike Christie } 9298ce545039SMike Christie 9299ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9300ce545039SMike Christie NULL)) { 9301ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9302ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 9303ce545039SMike Christie "waiting for commands.\n"); 9304ce545039SMike Christie return FAILED; 9305ce545039SMike Christie } 9306ce545039SMike Christie 93079d562913SDavid C Somayajulu /* Send marker. */ 93089d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93099d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 93109d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 93119d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 93129d562913SDavid C Somayajulu "marker iocb failed.\n"); 93139d562913SDavid C Somayajulu return FAILED; 93149d562913SDavid C Somayajulu } 93159d562913SDavid C Somayajulu 9316ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9317ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 9318ce545039SMike Christie return SUCCESS; 9319ce545039SMike Christie } 9320ce545039SMike Christie 9321ce545039SMike Christie /** 93228a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 93238a288960SSarang Radke * @shost: Pointer to SCSI Host struct 93248a288960SSarang Radke * 93258a288960SSarang Radke * This routine finds that if reset host is called in EH 93268a288960SSarang Radke * scenario or from some application like sg_reset 93278a288960SSarang Radke **/ 93288a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 93298a288960SSarang Radke { 93308a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 93318a288960SSarang Radke return 1; 93328a288960SSarang Radke return 0; 93338a288960SSarang Radke } 93348a288960SSarang Radke 93358a288960SSarang Radke /** 9336afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 9337afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9338afaf5a2dSDavid Somayajulu * 9339afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 9340afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 9341afaf5a2dSDavid Somayajulu **/ 9342afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 9343afaf5a2dSDavid Somayajulu { 9344afaf5a2dSDavid Somayajulu int return_status = FAILED; 9345afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 9346afaf5a2dSDavid Somayajulu 9347b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 9348afaf5a2dSDavid Somayajulu 9349b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) 93506e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 93516e7b4292SVikas Chaudhary 93526e7b4292SVikas Chaudhary /* 9353b37ca418SVikas Chaudhary * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other 9354b37ca418SVikas Chaudhary * protocol drivers, we should not set device_state to NEED_RESET 93556e7b4292SVikas Chaudhary */ 93566e7b4292SVikas Chaudhary if (ql4xdontresethba || 9357b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 9358b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 9359f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 9360f4f5df23SVikas Chaudhary ha->host_no, __func__)); 93618a288960SSarang Radke 93628a288960SSarang Radke /* Clear outstanding srb in queues */ 93638a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 93648a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 93658a288960SSarang Radke 9366f4f5df23SVikas Chaudhary return FAILED; 9367f4f5df23SVikas Chaudhary } 9368f4f5df23SVikas Chaudhary 9369c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9370dca05c4cSKaren Higgins "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, 9371afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9372afaf5a2dSDavid Somayajulu 9373afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 9374afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 9375afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 9376afaf5a2dSDavid Somayajulu __func__)); 9377afaf5a2dSDavid Somayajulu 9378afaf5a2dSDavid Somayajulu return FAILED; 9379afaf5a2dSDavid Somayajulu } 9380afaf5a2dSDavid Somayajulu 9381f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 93826e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 9383f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 9384f4f5df23SVikas Chaudhary else 9385f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 9386f4f5df23SVikas Chaudhary } 938750a29aecSMike Christie 9388f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 9389afaf5a2dSDavid Somayajulu return_status = SUCCESS; 9390afaf5a2dSDavid Somayajulu 9391c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 939225985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 9393afaf5a2dSDavid Somayajulu 9394afaf5a2dSDavid Somayajulu return return_status; 9395afaf5a2dSDavid Somayajulu } 9396afaf5a2dSDavid Somayajulu 939795d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 939895d31262SVikas Chaudhary { 939995d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 940095d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 940195d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 940295d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 940395d31262SVikas Chaudhary int rval = QLA_SUCCESS; 940495d31262SVikas Chaudhary dma_addr_t acb_dma; 940595d31262SVikas Chaudhary 940695d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 940795d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 940895d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 940995d31262SVikas Chaudhary if (!acb) { 941095d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 941195d31262SVikas Chaudhary __func__); 941295d31262SVikas Chaudhary rval = -ENOMEM; 941395d31262SVikas Chaudhary goto exit_port_reset; 941495d31262SVikas Chaudhary } 941595d31262SVikas Chaudhary 941695d31262SVikas Chaudhary memset(acb, 0, acb_len); 941795d31262SVikas Chaudhary 941895d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 941995d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 942095d31262SVikas Chaudhary rval = -EIO; 942195d31262SVikas Chaudhary goto exit_free_acb; 942295d31262SVikas Chaudhary } 942395d31262SVikas Chaudhary 942495d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 942595d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 942695d31262SVikas Chaudhary rval = -EIO; 942795d31262SVikas Chaudhary goto exit_free_acb; 942895d31262SVikas Chaudhary } 942995d31262SVikas Chaudhary 943095d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 943195d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 943295d31262SVikas Chaudhary 943395d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 943495d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 943595d31262SVikas Chaudhary rval = -EIO; 943695d31262SVikas Chaudhary goto exit_free_acb; 943795d31262SVikas Chaudhary } 943895d31262SVikas Chaudhary 943995d31262SVikas Chaudhary exit_free_acb: 944095d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 944195d31262SVikas Chaudhary acb, acb_dma); 944295d31262SVikas Chaudhary exit_port_reset: 944395d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 944495d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 944595d31262SVikas Chaudhary return rval; 944695d31262SVikas Chaudhary } 944795d31262SVikas Chaudhary 944895d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 944995d31262SVikas Chaudhary { 945095d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 945195d31262SVikas Chaudhary int rval = QLA_SUCCESS; 9452ebd777deSVikas Chaudhary uint32_t idc_ctrl; 945395d31262SVikas Chaudhary 945495d31262SVikas Chaudhary if (ql4xdontresethba) { 945595d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 945695d31262SVikas Chaudhary __func__)); 945795d31262SVikas Chaudhary rval = -EPERM; 945895d31262SVikas Chaudhary goto exit_host_reset; 945995d31262SVikas Chaudhary } 946095d31262SVikas Chaudhary 946195d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 946295d31262SVikas Chaudhary goto recover_adapter; 946395d31262SVikas Chaudhary 946495d31262SVikas Chaudhary switch (reset_type) { 946595d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 946695d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 946795d31262SVikas Chaudhary break; 946895d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 946995d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 94706e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 947195d31262SVikas Chaudhary /* set firmware context reset */ 947295d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 947395d31262SVikas Chaudhary &ha->dpc_flags); 947495d31262SVikas Chaudhary else { 947595d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 947695d31262SVikas Chaudhary goto exit_host_reset; 947795d31262SVikas Chaudhary } 947895d31262SVikas Chaudhary } 947995d31262SVikas Chaudhary break; 948095d31262SVikas Chaudhary } 948195d31262SVikas Chaudhary 948295d31262SVikas Chaudhary recover_adapter: 9483b37ca418SVikas Chaudhary /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if 9484ebd777deSVikas Chaudhary * reset is issued by application */ 9485b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 9486b37ca418SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 9487ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 9488ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 9489ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 9490ebd777deSVikas Chaudhary } 9491ebd777deSVikas Chaudhary 949295d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 949395d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 949495d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 949595d31262SVikas Chaudhary __func__)); 949695d31262SVikas Chaudhary rval = -EIO; 949795d31262SVikas Chaudhary } 949895d31262SVikas Chaudhary 949995d31262SVikas Chaudhary exit_host_reset: 950095d31262SVikas Chaudhary return rval; 950195d31262SVikas Chaudhary } 950295d31262SVikas Chaudhary 95032232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 95042232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 95052232be0dSLalit Chandivade * driver calls the following device driver's callbacks 95062232be0dSLalit Chandivade * 95072232be0dSLalit Chandivade * - Fatal Errors - link_reset 95082232be0dSLalit Chandivade * - Non-Fatal Errors - driver's pci_error_detected() which 95092232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 95102232be0dSLalit Chandivade * 95112232be0dSLalit Chandivade * PCI AER driver calls 95122232be0dSLalit Chandivade * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled 95132232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 95142232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 95152232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 95162232be0dSLalit Chandivade * RECOVERED - driver's pci_resume() 95172232be0dSLalit Chandivade */ 95182232be0dSLalit Chandivade static pci_ers_result_t 95192232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 95202232be0dSLalit Chandivade { 95212232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 95222232be0dSLalit Chandivade 95232232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 95242232be0dSLalit Chandivade ha->host_no, __func__, state); 95252232be0dSLalit Chandivade 95262232be0dSLalit Chandivade if (!is_aer_supported(ha)) 95272232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 95282232be0dSLalit Chandivade 95292232be0dSLalit Chandivade switch (state) { 95302232be0dSLalit Chandivade case pci_channel_io_normal: 95312232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 95322232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 95332232be0dSLalit Chandivade case pci_channel_io_frozen: 95342232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 95352232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 95362232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 95372232be0dSLalit Chandivade pci_disable_device(pdev); 95387b3595dfSVikas Chaudhary /* Return back all IOs */ 95397b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 95402232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 95412232be0dSLalit Chandivade case pci_channel_io_perm_failure: 95422232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 95432232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 95442232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 95452232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 95462232be0dSLalit Chandivade } 95472232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 95482232be0dSLalit Chandivade } 95492232be0dSLalit Chandivade 95502232be0dSLalit Chandivade /** 95512232be0dSLalit Chandivade * qla4xxx_pci_mmio_enabled() gets called if 95522232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 95532232be0dSLalit Chandivade * and read/write to the device still works. 95542232be0dSLalit Chandivade **/ 95552232be0dSLalit Chandivade static pci_ers_result_t 95562232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 95572232be0dSLalit Chandivade { 95582232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 95592232be0dSLalit Chandivade 95602232be0dSLalit Chandivade if (!is_aer_supported(ha)) 95612232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 95622232be0dSLalit Chandivade 95632232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 95642232be0dSLalit Chandivade } 95652232be0dSLalit Chandivade 95667b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 95672232be0dSLalit Chandivade { 95682232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 95692232be0dSLalit Chandivade int fn; 95702232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 95712232be0dSLalit Chandivade 95722232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 95732232be0dSLalit Chandivade 95742232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 95752232be0dSLalit Chandivade 95762232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 95772232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 9578b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 9579b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 95802232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 95812232be0dSLalit Chandivade } 95822232be0dSLalit Chandivade 95832232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 9584daa34eb4STej Parkash if (is_qla8022(ha)) { 95852232be0dSLalit Chandivade while (fn > 0) { 95862232be0dSLalit Chandivade fn--; 9587daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", 9588daa34eb4STej Parkash ha->host_no, __func__, fn); 95892232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 95902232be0dSLalit Chandivade * slot/function number */ 9591daa34eb4STej Parkash other_pdev = pci_get_domain_bus_and_slot( 9592daa34eb4STej Parkash pci_domain_nr(ha->pdev->bus), 9593daa34eb4STej Parkash ha->pdev->bus->number, 9594daa34eb4STej Parkash PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 95952232be0dSLalit Chandivade fn)); 95962232be0dSLalit Chandivade 95972232be0dSLalit Chandivade if (!other_pdev) 95982232be0dSLalit Chandivade continue; 95992232be0dSLalit Chandivade 96002232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 9601daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", 9602daa34eb4STej Parkash ha->host_no, __func__, fn); 96032232be0dSLalit Chandivade pci_dev_put(other_pdev); 96042232be0dSLalit Chandivade break; 96052232be0dSLalit Chandivade } 96062232be0dSLalit Chandivade pci_dev_put(other_pdev); 96072232be0dSLalit Chandivade } 9608daa34eb4STej Parkash } else { 9609daa34eb4STej Parkash /* this case is meant for ISP83xx/ISP84xx only */ 9610daa34eb4STej Parkash if (qla4_83xx_can_perform_reset(ha)) { 9611daa34eb4STej Parkash /* reset fn as iSCSI is going to perform the reset */ 9612daa34eb4STej Parkash fn = 0; 9613daa34eb4STej Parkash } 9614daa34eb4STej Parkash } 96152232be0dSLalit Chandivade 96162232be0dSLalit Chandivade /* The first function on the card, the reset owner will 96172232be0dSLalit Chandivade * start & initialize the firmware. The other functions 96182232be0dSLalit Chandivade * on the card will reset the firmware context 96192232be0dSLalit Chandivade */ 96202232be0dSLalit Chandivade if (!fn) { 96212232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 96222232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 96232232be0dSLalit Chandivade ha->pdev->devfn); 96242232be0dSLalit Chandivade 962533693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 962633693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9627de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 962833693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 96292232be0dSLalit Chandivade 963039c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 963139c95826SVikas Chaudhary if (rval == QLA_ERROR) { 963239c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 963339c95826SVikas Chaudhary ha->host_no, __func__); 963439c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 963539c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 963639c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 963739c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 963839c95826SVikas Chaudhary goto exit_error_recovery; 963939c95826SVikas Chaudhary } 96402232be0dSLalit Chandivade 96412232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 964213483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 96432232be0dSLalit Chandivade 96442232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 96452232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 96462232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 964737418cc6SNilesh Javali qla4xxx_free_irqs(ha); 964882761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 96492232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 965033693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9651de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 965282761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 96532232be0dSLalit Chandivade } else { 96542232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 96552232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 965682761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 965733693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9658de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 96592232be0dSLalit Chandivade /* Clear driver state register */ 966033693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 96612232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 966282761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 96632232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 96642232be0dSLalit Chandivade } 96652232be0dSLalit Chandivade } else { 96662232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 96672232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 96682232be0dSLalit Chandivade ha->pdev->devfn); 966933693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 9670de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 96712232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 967213483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 9673137257daSPoornima Vonti if (rval == QLA_SUCCESS) 96742232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 967537418cc6SNilesh Javali else 967637418cc6SNilesh Javali qla4xxx_free_irqs(ha); 9677137257daSPoornima Vonti 967833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 96792232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 968033693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 96812232be0dSLalit Chandivade } 96822232be0dSLalit Chandivade } 968339c95826SVikas Chaudhary exit_error_recovery: 96842232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 96852232be0dSLalit Chandivade return rval; 96862232be0dSLalit Chandivade } 96872232be0dSLalit Chandivade 96882232be0dSLalit Chandivade static pci_ers_result_t 96892232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 96902232be0dSLalit Chandivade { 96912232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 96922232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 96932232be0dSLalit Chandivade int rc; 96942232be0dSLalit Chandivade 96952232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 96962232be0dSLalit Chandivade ha->host_no, __func__); 96972232be0dSLalit Chandivade 96982232be0dSLalit Chandivade if (!is_aer_supported(ha)) 96992232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 97002232be0dSLalit Chandivade 97012232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 97022232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 97032232be0dSLalit Chandivade * IOV states 97042232be0dSLalit Chandivade */ 97052232be0dSLalit Chandivade pci_restore_state(pdev); 97062232be0dSLalit Chandivade 97072232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 97082232be0dSLalit Chandivade * save restored state which resets saved_state flag 97092232be0dSLalit Chandivade */ 97102232be0dSLalit Chandivade pci_save_state(pdev); 97112232be0dSLalit Chandivade 97122232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 97132232be0dSLalit Chandivade rc = pci_enable_device(pdev); 97142232be0dSLalit Chandivade if (rc) { 971525985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 97162232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 97172232be0dSLalit Chandivade goto exit_slot_reset; 97182232be0dSLalit Chandivade } 97192232be0dSLalit Chandivade 97207b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 97212232be0dSLalit Chandivade 97226e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 97232232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 97242232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 97252232be0dSLalit Chandivade goto exit_slot_reset; 97262232be0dSLalit Chandivade } else 97272232be0dSLalit Chandivade goto exit_slot_reset; 97282232be0dSLalit Chandivade } 97292232be0dSLalit Chandivade 97302232be0dSLalit Chandivade exit_slot_reset: 97312232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 97322232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 97332232be0dSLalit Chandivade return ret; 97342232be0dSLalit Chandivade } 97352232be0dSLalit Chandivade 97362232be0dSLalit Chandivade static void 97372232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 97382232be0dSLalit Chandivade { 97392232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 97402232be0dSLalit Chandivade int ret; 97412232be0dSLalit Chandivade 97422232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 97432232be0dSLalit Chandivade ha->host_no, __func__); 97442232be0dSLalit Chandivade 97452232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 97462232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 97472232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 97482232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 97492232be0dSLalit Chandivade __func__); 97502232be0dSLalit Chandivade } 97512232be0dSLalit Chandivade 97522232be0dSLalit Chandivade pci_cleanup_aer_uncorrect_error_status(pdev); 97532232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 97542232be0dSLalit Chandivade } 97552232be0dSLalit Chandivade 9756a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 97572232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 97582232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 97592232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 97602232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 97612232be0dSLalit Chandivade }; 97622232be0dSLalit Chandivade 9763afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 9764afaf5a2dSDavid Somayajulu { 9765afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9766afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 9767afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9768afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9769afaf5a2dSDavid Somayajulu }, 9770afaf5a2dSDavid Somayajulu { 9771afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9772afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 9773afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9774afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9775afaf5a2dSDavid Somayajulu }, 9776d915058fSDavid C Somayajulu { 9777d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9778d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 9779d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 9780d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 9781d915058fSDavid C Somayajulu }, 9782f4f5df23SVikas Chaudhary { 9783f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9784f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 9785f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 9786f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 9787f4f5df23SVikas Chaudhary }, 97886e7b4292SVikas Chaudhary { 97896e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 97906e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 97916e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 97926e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 97936e7b4292SVikas Chaudhary }, 9794b37ca418SVikas Chaudhary { 9795b37ca418SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9796b37ca418SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8042, 9797b37ca418SVikas Chaudhary .subvendor = PCI_ANY_ID, 9798b37ca418SVikas Chaudhary .subdevice = PCI_ANY_ID, 9799b37ca418SVikas Chaudhary }, 9800afaf5a2dSDavid Somayajulu {0, 0}, 9801afaf5a2dSDavid Somayajulu }; 9802afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 9803afaf5a2dSDavid Somayajulu 980447975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 9805afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 9806afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 9807afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 9808afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 98092232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 9810afaf5a2dSDavid Somayajulu }; 9811afaf5a2dSDavid Somayajulu 9812afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 9813afaf5a2dSDavid Somayajulu { 9814afaf5a2dSDavid Somayajulu int ret; 9815afaf5a2dSDavid Somayajulu 9816afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 9817afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 981820c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 9819afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 9820afaf5a2dSDavid Somayajulu printk(KERN_ERR 9821afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 9822afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 9823afaf5a2dSDavid Somayajulu ret = -ENOMEM; 9824afaf5a2dSDavid Somayajulu goto no_srp_cache; 9825afaf5a2dSDavid Somayajulu } 9826afaf5a2dSDavid Somayajulu 9827afaf5a2dSDavid Somayajulu /* Derive version string. */ 9828afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 982911010fecSAndrew Vasquez if (ql4xextended_error_logging) 9830afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 9831afaf5a2dSDavid Somayajulu 9832afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 9833afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 9834afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 9835afaf5a2dSDavid Somayajulu ret = -ENODEV; 9836afaf5a2dSDavid Somayajulu goto release_srb_cache; 9837afaf5a2dSDavid Somayajulu } 9838afaf5a2dSDavid Somayajulu 9839afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 9840afaf5a2dSDavid Somayajulu if (ret) 9841afaf5a2dSDavid Somayajulu goto unregister_transport; 9842afaf5a2dSDavid Somayajulu 9843afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 9844afaf5a2dSDavid Somayajulu return 0; 98455ae16db3SDoug Maxey 9846afaf5a2dSDavid Somayajulu unregister_transport: 9847afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9848afaf5a2dSDavid Somayajulu release_srb_cache: 9849afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9850afaf5a2dSDavid Somayajulu no_srp_cache: 9851afaf5a2dSDavid Somayajulu return ret; 9852afaf5a2dSDavid Somayajulu } 9853afaf5a2dSDavid Somayajulu 9854afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 9855afaf5a2dSDavid Somayajulu { 9856afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 9857afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9858afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9859afaf5a2dSDavid Somayajulu } 9860afaf5a2dSDavid Somayajulu 9861afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 9862afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 9863afaf5a2dSDavid Somayajulu 9864afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 9865afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 9866afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 9867afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 9868