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); 154c0b9d3f7SVikas Chaudhary 155afaf5a2dSDavid Somayajulu /* 156afaf5a2dSDavid Somayajulu * SCSI host template entry points 157afaf5a2dSDavid Somayajulu */ 158f281233dSJeff Garzik static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); 15909a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); 160afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); 161ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); 162afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); 163afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *device); 164afaf5a2dSDavid Somayajulu static int qla4xxx_slave_configure(struct scsi_device *device); 165afaf5a2dSDavid Somayajulu static void qla4xxx_slave_destroy(struct scsi_device *sdev); 1665e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param); 16795d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); 168f7b4aa63STej Parkash static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, 169f7b4aa63STej Parkash int reason); 170afaf5a2dSDavid Somayajulu 1711e9e2be3SAdheer Chandravanshi /* 1721e9e2be3SAdheer Chandravanshi * iSCSI Flash DDB sysfs entry points 1731e9e2be3SAdheer Chandravanshi */ 1741e9e2be3SAdheer Chandravanshi static int 1751e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 1761e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 1771e9e2be3SAdheer Chandravanshi void *data, int len); 1781e9e2be3SAdheer Chandravanshi static int 1791e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 1801e9e2be3SAdheer Chandravanshi int param, char *buf); 1811e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 1821e9e2be3SAdheer Chandravanshi int len); 1831e9e2be3SAdheer Chandravanshi static int 1841e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); 1851e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 1861e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1871e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 1881e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1891e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); 1901e9e2be3SAdheer Chandravanshi 191f4f5df23SVikas Chaudhary static struct qla4_8xxx_legacy_intr_set legacy_intr[] = 192f4f5df23SVikas Chaudhary QLA82XX_LEGACY_INTR_CONFIG; 193f4f5df23SVikas Chaudhary 194afaf5a2dSDavid Somayajulu static struct scsi_host_template qla4xxx_driver_template = { 195afaf5a2dSDavid Somayajulu .module = THIS_MODULE, 196afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 197afaf5a2dSDavid Somayajulu .proc_name = DRIVER_NAME, 198afaf5a2dSDavid Somayajulu .queuecommand = qla4xxx_queuecommand, 199afaf5a2dSDavid Somayajulu 20009a0f719SVikas Chaudhary .eh_abort_handler = qla4xxx_eh_abort, 201afaf5a2dSDavid Somayajulu .eh_device_reset_handler = qla4xxx_eh_device_reset, 202ce545039SMike Christie .eh_target_reset_handler = qla4xxx_eh_target_reset, 203afaf5a2dSDavid Somayajulu .eh_host_reset_handler = qla4xxx_eh_host_reset, 2045c656af7SMike Christie .eh_timed_out = qla4xxx_eh_cmd_timed_out, 205afaf5a2dSDavid Somayajulu 206afaf5a2dSDavid Somayajulu .slave_configure = qla4xxx_slave_configure, 207afaf5a2dSDavid Somayajulu .slave_alloc = qla4xxx_slave_alloc, 208afaf5a2dSDavid Somayajulu .slave_destroy = qla4xxx_slave_destroy, 209f7b4aa63STej Parkash .change_queue_depth = qla4xxx_change_queue_depth, 210afaf5a2dSDavid Somayajulu 211afaf5a2dSDavid Somayajulu .this_id = -1, 212afaf5a2dSDavid Somayajulu .cmd_per_lun = 3, 213afaf5a2dSDavid Somayajulu .use_clustering = ENABLE_CLUSTERING, 214afaf5a2dSDavid Somayajulu .sg_tablesize = SG_ALL, 215afaf5a2dSDavid Somayajulu 216afaf5a2dSDavid Somayajulu .max_sectors = 0xFFFF, 2177ad633c0SHarish Zunjarrao .shost_attrs = qla4xxx_host_attrs, 21895d31262SVikas Chaudhary .host_reset = qla4xxx_host_reset, 219a355943cSVikas Chaudhary .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, 220afaf5a2dSDavid Somayajulu }; 221afaf5a2dSDavid Somayajulu 222afaf5a2dSDavid Somayajulu static struct iscsi_transport qla4xxx_iscsi_transport = { 223afaf5a2dSDavid Somayajulu .owner = THIS_MODULE, 224afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 225b3a271a9SManish Rangankar .caps = CAP_TEXT_NEGO | 226b3a271a9SManish Rangankar CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | 227b3a271a9SManish Rangankar CAP_DATADGST | CAP_LOGIN_OFFLOAD | 228b3a271a9SManish Rangankar CAP_MULTI_R2T, 2295e9bcec7SVikas Chaudhary .attr_is_visible = qla4_attr_is_visible, 230b3a271a9SManish Rangankar .create_session = qla4xxx_session_create, 231b3a271a9SManish Rangankar .destroy_session = qla4xxx_session_destroy, 232b3a271a9SManish Rangankar .start_conn = qla4xxx_conn_start, 233b3a271a9SManish Rangankar .create_conn = qla4xxx_conn_create, 234b3a271a9SManish Rangankar .bind_conn = qla4xxx_conn_bind, 235b3a271a9SManish Rangankar .stop_conn = iscsi_conn_stop, 236b3a271a9SManish Rangankar .destroy_conn = qla4xxx_conn_destroy, 237b3a271a9SManish Rangankar .set_param = iscsi_set_param, 238afaf5a2dSDavid Somayajulu .get_conn_param = qla4xxx_conn_get_param, 239fca9f04dSMike Christie .get_session_param = qla4xxx_session_get_param, 240b3a271a9SManish Rangankar .get_ep_param = qla4xxx_get_ep_param, 241b3a271a9SManish Rangankar .ep_connect = qla4xxx_ep_connect, 242b3a271a9SManish Rangankar .ep_poll = qla4xxx_ep_poll, 243b3a271a9SManish Rangankar .ep_disconnect = qla4xxx_ep_disconnect, 244b3a271a9SManish Rangankar .get_stats = qla4xxx_conn_get_stats, 245b3a271a9SManish Rangankar .send_pdu = iscsi_conn_send_pdu, 246b3a271a9SManish Rangankar .xmit_task = qla4xxx_task_xmit, 247b3a271a9SManish Rangankar .cleanup_task = qla4xxx_task_cleanup, 248b3a271a9SManish Rangankar .alloc_pdu = qla4xxx_alloc_pdu, 249b3a271a9SManish Rangankar 250aa1e93a2SMike Christie .get_host_param = qla4xxx_host_get_param, 251d00efe3fSMike Christie .set_iface_param = qla4xxx_iface_set_param, 252ed1086e0SVikas Chaudhary .get_iface_param = qla4xxx_get_iface_param, 253a355943cSVikas Chaudhary .bsg_request = qla4xxx_bsg_request, 254c0b9d3f7SVikas Chaudhary .send_ping = qla4xxx_send_ping, 255376738afSNilesh Javali .get_chap = qla4xxx_get_chap_list, 256376738afSNilesh Javali .delete_chap = qla4xxx_delete_chap, 25726ffd7b4SAdheer Chandravanshi .set_chap = qla4xxx_set_chap_entry, 2581e9e2be3SAdheer Chandravanshi .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, 2591e9e2be3SAdheer Chandravanshi .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, 2601e9e2be3SAdheer Chandravanshi .new_flashnode = qla4xxx_sysfs_ddb_add, 2611e9e2be3SAdheer Chandravanshi .del_flashnode = qla4xxx_sysfs_ddb_delete, 2621e9e2be3SAdheer Chandravanshi .login_flashnode = qla4xxx_sysfs_ddb_login, 2631e9e2be3SAdheer Chandravanshi .logout_flashnode = qla4xxx_sysfs_ddb_logout, 2641e9e2be3SAdheer Chandravanshi .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, 265afaf5a2dSDavid Somayajulu }; 266afaf5a2dSDavid Somayajulu 267afaf5a2dSDavid Somayajulu static struct scsi_transport_template *qla4xxx_scsi_transport; 268afaf5a2dSDavid Somayajulu 269c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 270c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 271c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr) 272c0b9d3f7SVikas Chaudhary { 273c0b9d3f7SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 274c0b9d3f7SVikas Chaudhary struct sockaddr_in *addr; 275c0b9d3f7SVikas Chaudhary struct sockaddr_in6 *addr6; 276c0b9d3f7SVikas Chaudhary uint32_t options = 0; 277c0b9d3f7SVikas Chaudhary uint8_t ipaddr[IPv6_ADDR_LEN]; 278c0b9d3f7SVikas Chaudhary int rval; 279c0b9d3f7SVikas Chaudhary 280c0b9d3f7SVikas Chaudhary memset(ipaddr, 0, IPv6_ADDR_LEN); 281c0b9d3f7SVikas Chaudhary /* IPv4 to IPv4 */ 282c0b9d3f7SVikas Chaudhary if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && 283c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET)) { 284c0b9d3f7SVikas Chaudhary addr = (struct sockaddr_in *)dst_addr; 285c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); 286c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " 287c0b9d3f7SVikas Chaudhary "dest: %pI4\n", __func__, 288c0b9d3f7SVikas Chaudhary &ha->ip_config.ip_address, ipaddr)); 289c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, 290c0b9d3f7SVikas Chaudhary ipaddr); 291c0b9d3f7SVikas Chaudhary if (rval) 292c0b9d3f7SVikas Chaudhary rval = -EINVAL; 293c0b9d3f7SVikas Chaudhary } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && 294c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET6)) { 295c0b9d3f7SVikas Chaudhary /* IPv6 to IPv6 */ 296c0b9d3f7SVikas Chaudhary addr6 = (struct sockaddr_in6 *)dst_addr; 297c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); 298c0b9d3f7SVikas Chaudhary 299c0b9d3f7SVikas Chaudhary options |= PING_IPV6_PROTOCOL_ENABLE; 300c0b9d3f7SVikas Chaudhary 301c0b9d3f7SVikas Chaudhary /* Ping using LinkLocal address */ 302c0b9d3f7SVikas Chaudhary if ((iface_num == 0) || (iface_num == 1)) { 303c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " 304c0b9d3f7SVikas Chaudhary "src: %pI6 dest: %pI6\n", __func__, 305c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr, 306c0b9d3f7SVikas Chaudhary ipaddr)); 307c0b9d3f7SVikas Chaudhary options |= PING_IPV6_LINKLOCAL_ADDR; 308c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 309c0b9d3f7SVikas Chaudhary pid, ipaddr); 310c0b9d3f7SVikas Chaudhary } else { 311c0b9d3f7SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " 312c0b9d3f7SVikas Chaudhary "not supported\n", __func__, iface_num); 313c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 314c0b9d3f7SVikas Chaudhary goto exit_send_ping; 315c0b9d3f7SVikas Chaudhary } 316c0b9d3f7SVikas Chaudhary 317c0b9d3f7SVikas Chaudhary /* 318c0b9d3f7SVikas Chaudhary * If ping using LinkLocal address fails, try ping using 319c0b9d3f7SVikas Chaudhary * IPv6 address 320c0b9d3f7SVikas Chaudhary */ 321c0b9d3f7SVikas Chaudhary if (rval != QLA_SUCCESS) { 322c0b9d3f7SVikas Chaudhary options &= ~PING_IPV6_LINKLOCAL_ADDR; 323c0b9d3f7SVikas Chaudhary if (iface_num == 0) { 324c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR0; 325c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 326c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 327c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 328c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr0, 329c0b9d3f7SVikas Chaudhary ipaddr)); 330c0b9d3f7SVikas Chaudhary } else if (iface_num == 1) { 331c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR1; 332c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 333c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 334c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 335c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr1, 336c0b9d3f7SVikas Chaudhary ipaddr)); 337c0b9d3f7SVikas Chaudhary } 338c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 339c0b9d3f7SVikas Chaudhary pid, ipaddr); 340c0b9d3f7SVikas Chaudhary if (rval) 341c0b9d3f7SVikas Chaudhary rval = -EINVAL; 342c0b9d3f7SVikas Chaudhary } 343c0b9d3f7SVikas Chaudhary } else 344c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 345c0b9d3f7SVikas Chaudhary exit_send_ping: 346c0b9d3f7SVikas Chaudhary return rval; 347c0b9d3f7SVikas Chaudhary } 348c0b9d3f7SVikas Chaudhary 3495e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param) 3503128c6c7SMike Christie { 3513128c6c7SMike Christie switch (param_type) { 352f27fb2efSMike Christie case ISCSI_HOST_PARAM: 353f27fb2efSMike Christie switch (param) { 354f27fb2efSMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 355f27fb2efSMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 356f27fb2efSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 3573254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 3583254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 359f27fb2efSMike Christie return S_IRUGO; 360f27fb2efSMike Christie default: 361f27fb2efSMike Christie return 0; 362f27fb2efSMike Christie } 3633128c6c7SMike Christie case ISCSI_PARAM: 3643128c6c7SMike Christie switch (param) { 365590134faSMike Christie case ISCSI_PARAM_PERSISTENT_ADDRESS: 366590134faSMike Christie case ISCSI_PARAM_PERSISTENT_PORT: 3673128c6c7SMike Christie case ISCSI_PARAM_CONN_ADDRESS: 3683128c6c7SMike Christie case ISCSI_PARAM_CONN_PORT: 3691d063c17SMike Christie case ISCSI_PARAM_TARGET_NAME: 3701d063c17SMike Christie case ISCSI_PARAM_TPGT: 3711d063c17SMike Christie case ISCSI_PARAM_TARGET_ALIAS: 372b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_BURST: 373b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_R2T: 374b3a271a9SManish Rangankar case ISCSI_PARAM_FIRST_BURST: 375b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_RECV_DLENGTH: 376b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_XMIT_DLENGTH: 377de37920bSMike Christie case ISCSI_PARAM_IFACE_NAME: 378fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 379fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 380fca9f04dSMike Christie case ISCSI_PARAM_USERNAME: 381fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD: 382fca9f04dSMike Christie case ISCSI_PARAM_USERNAME_IN: 383fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD_IN: 3848cc91d42SAdheer Chandravanshi case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: 3858cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_SESS: 3868cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PORTAL_TYPE: 3878cc91d42SAdheer Chandravanshi case ISCSI_PARAM_CHAP_AUTH_EN: 3888cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: 3898cc91d42SAdheer Chandravanshi case ISCSI_PARAM_BIDI_CHAP_EN: 3908cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: 3918cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2WAIT: 3928cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2RETAIN: 3938cc91d42SAdheer Chandravanshi case ISCSI_PARAM_HDRDGST_EN: 3948cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATADGST_EN: 3958cc91d42SAdheer Chandravanshi case ISCSI_PARAM_INITIAL_R2T_EN: 3968cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IMM_DATA_EN: 3978cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PDU_INORDER_EN: 3988cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATASEQ_INORDER_EN: 3998cc91d42SAdheer Chandravanshi case ISCSI_PARAM_MAX_SEGMENT_SIZE: 4008cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_STAT: 4018cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_WSF_DISABLE: 4028cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_NAGLE_DISABLE: 4038cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMER_SCALE: 4048cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_EN: 4058cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_XMIT_WSF: 4068cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_RECV_WSF: 4078cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IP_FRAGMENT_DISABLE: 4088cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV4_TOS: 4098cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_TC: 4108cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_FLOW_LABEL: 4118cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: 4128cc91d42SAdheer Chandravanshi case ISCSI_PARAM_KEEPALIVE_TMO: 4138cc91d42SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_PORT: 4148cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ISID: 4158cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TSID: 4168cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TASKMGMT_TMO: 4178cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ERL: 4188cc91d42SAdheer Chandravanshi case ISCSI_PARAM_STATSN: 4198cc91d42SAdheer Chandravanshi case ISCSI_PARAM_EXP_STATSN: 4208cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_IDX: 4218cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: 4223128c6c7SMike Christie return S_IRUGO; 4233128c6c7SMike Christie default: 4243128c6c7SMike Christie return 0; 4253128c6c7SMike Christie } 426b78dbba0SMike Christie case ISCSI_NET_PARAM: 427b78dbba0SMike Christie switch (param) { 428b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 429b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 430b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_GW: 431b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 432b78dbba0SMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 433b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 434b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 435b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 436b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 437b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 4386ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 4396ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 4406ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 441943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 4422ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 443f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 444f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 445f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 446f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 447f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 448f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 449f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 450f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 451f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 452f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 453f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 454f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 455f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 456f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 457f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 458f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 459f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 460f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 461f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 462f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 463f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 464f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 465f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 466f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 467f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 468f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 469f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 470f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 471f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 472f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 473f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 474f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 475f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 476f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 477f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 478f8e93412SHarish Zunjarrao return S_IRUGO; 479f8e93412SHarish Zunjarrao default: 480f8e93412SHarish Zunjarrao return 0; 481f8e93412SHarish Zunjarrao } 482f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM: 483f8e93412SHarish Zunjarrao switch (param) { 484f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 485f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 486f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 487f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 488f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 489f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 490f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 491f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 492f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 493f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 494f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 495f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 496f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 497f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 498f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 499f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 500f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 501f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 502b78dbba0SMike Christie return S_IRUGO; 503b78dbba0SMike Christie default: 504b78dbba0SMike Christie return 0; 505b78dbba0SMike Christie } 5061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PARAM: 5071e9e2be3SAdheer Chandravanshi switch (param) { 5081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 5091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 5101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 5111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 5121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 5131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 5141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 5151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 5161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 5171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 5181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 5191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 5201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 5211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 5221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 5231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 5241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 5251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 5261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 5271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 5281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 5291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 5301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 5311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 5321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 5331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 5341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 5351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 5361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 5371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 5381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 5391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 5401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 5411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 5421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 5431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 5441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 5451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 5461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 5471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 5481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 5491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 5501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 5511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 5521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 5531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 5541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 5551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 5561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 5571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 5581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 5591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 5601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 5611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 5621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 5631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 5641e9e2be3SAdheer Chandravanshi return S_IRUGO; 5651e9e2be3SAdheer Chandravanshi default: 5661e9e2be3SAdheer Chandravanshi return 0; 5671e9e2be3SAdheer Chandravanshi } 5683128c6c7SMike Christie } 5693128c6c7SMike Christie 5703128c6c7SMike Christie return 0; 5713128c6c7SMike Christie } 5723128c6c7SMike Christie 57326ffd7b4SAdheer Chandravanshi static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, 57426ffd7b4SAdheer Chandravanshi int16_t chap_index, 57526ffd7b4SAdheer Chandravanshi struct ql4_chap_table **chap_entry) 57626ffd7b4SAdheer Chandravanshi { 57726ffd7b4SAdheer Chandravanshi int rval = QLA_ERROR; 57826ffd7b4SAdheer Chandravanshi int max_chap_entries; 57926ffd7b4SAdheer Chandravanshi 58026ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 58126ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 58226ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 58326ffd7b4SAdheer Chandravanshi goto exit_get_chap; 58426ffd7b4SAdheer Chandravanshi } 58526ffd7b4SAdheer Chandravanshi 58626ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 58726ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 58826ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 58926ffd7b4SAdheer Chandravanshi else 59026ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 59126ffd7b4SAdheer Chandravanshi 59226ffd7b4SAdheer Chandravanshi if (chap_index > max_chap_entries) { 59326ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); 59426ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 59526ffd7b4SAdheer Chandravanshi goto exit_get_chap; 59626ffd7b4SAdheer Chandravanshi } 59726ffd7b4SAdheer Chandravanshi 59826ffd7b4SAdheer Chandravanshi *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; 59926ffd7b4SAdheer Chandravanshi if ((*chap_entry)->cookie != 60026ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 60126ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 60226ffd7b4SAdheer Chandravanshi *chap_entry = NULL; 60326ffd7b4SAdheer Chandravanshi } else { 60426ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 60526ffd7b4SAdheer Chandravanshi } 60626ffd7b4SAdheer Chandravanshi 60726ffd7b4SAdheer Chandravanshi exit_get_chap: 60826ffd7b4SAdheer Chandravanshi return rval; 60926ffd7b4SAdheer Chandravanshi } 61026ffd7b4SAdheer Chandravanshi 61126ffd7b4SAdheer Chandravanshi /** 61226ffd7b4SAdheer Chandravanshi * qla4xxx_find_free_chap_index - Find the first free chap index 61326ffd7b4SAdheer Chandravanshi * @ha: pointer to adapter structure 61426ffd7b4SAdheer Chandravanshi * @chap_index: CHAP index to be returned 61526ffd7b4SAdheer Chandravanshi * 61626ffd7b4SAdheer Chandravanshi * Find the first free chap index available in the chap table 61726ffd7b4SAdheer Chandravanshi * 61826ffd7b4SAdheer Chandravanshi * Note: Caller should acquire the chap lock before getting here. 61926ffd7b4SAdheer Chandravanshi **/ 62026ffd7b4SAdheer Chandravanshi static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, 62126ffd7b4SAdheer Chandravanshi uint16_t *chap_index) 62226ffd7b4SAdheer Chandravanshi { 62326ffd7b4SAdheer Chandravanshi int i, rval; 62426ffd7b4SAdheer Chandravanshi int free_index = -1; 62526ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 62626ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_table; 62726ffd7b4SAdheer Chandravanshi 62826ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 62926ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 63026ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 63126ffd7b4SAdheer Chandravanshi else 63226ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 63326ffd7b4SAdheer Chandravanshi 63426ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 63526ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 63626ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 63726ffd7b4SAdheer Chandravanshi goto exit_find_chap; 63826ffd7b4SAdheer Chandravanshi } 63926ffd7b4SAdheer Chandravanshi 64026ffd7b4SAdheer Chandravanshi for (i = 0; i < max_chap_entries; i++) { 64126ffd7b4SAdheer Chandravanshi chap_table = (struct ql4_chap_table *)ha->chap_list + i; 64226ffd7b4SAdheer Chandravanshi 64326ffd7b4SAdheer Chandravanshi if ((chap_table->cookie != 64426ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && 64526ffd7b4SAdheer Chandravanshi (i > MAX_RESRV_CHAP_IDX)) { 64626ffd7b4SAdheer Chandravanshi free_index = i; 64726ffd7b4SAdheer Chandravanshi break; 64826ffd7b4SAdheer Chandravanshi } 64926ffd7b4SAdheer Chandravanshi } 65026ffd7b4SAdheer Chandravanshi 65126ffd7b4SAdheer Chandravanshi if (free_index != -1) { 65226ffd7b4SAdheer Chandravanshi *chap_index = free_index; 65326ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 65426ffd7b4SAdheer Chandravanshi } else { 65526ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 65626ffd7b4SAdheer Chandravanshi } 65726ffd7b4SAdheer Chandravanshi 65826ffd7b4SAdheer Chandravanshi exit_find_chap: 65926ffd7b4SAdheer Chandravanshi return rval; 66026ffd7b4SAdheer Chandravanshi } 66126ffd7b4SAdheer Chandravanshi 662376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 663376738afSNilesh Javali uint32_t *num_entries, char *buf) 664376738afSNilesh Javali { 665376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 666376738afSNilesh Javali struct ql4_chap_table *chap_table; 667376738afSNilesh Javali struct iscsi_chap_rec *chap_rec; 668376738afSNilesh Javali int max_chap_entries = 0; 669376738afSNilesh Javali int valid_chap_entries = 0; 670376738afSNilesh Javali int ret = 0, i; 671376738afSNilesh Javali 672d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 673376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 674376738afSNilesh Javali sizeof(struct ql4_chap_table); 675376738afSNilesh Javali else 676376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 677376738afSNilesh Javali 678376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", 679376738afSNilesh Javali __func__, *num_entries, chap_tbl_idx); 680376738afSNilesh Javali 681376738afSNilesh Javali if (!buf) { 682376738afSNilesh Javali ret = -ENOMEM; 683376738afSNilesh Javali goto exit_get_chap_list; 684376738afSNilesh Javali } 685376738afSNilesh Javali 686376738afSNilesh Javali chap_rec = (struct iscsi_chap_rec *) buf; 687376738afSNilesh Javali mutex_lock(&ha->chap_sem); 688376738afSNilesh Javali for (i = chap_tbl_idx; i < max_chap_entries; i++) { 689376738afSNilesh Javali chap_table = (struct ql4_chap_table *)ha->chap_list + i; 690376738afSNilesh Javali if (chap_table->cookie != 691376738afSNilesh Javali __constant_cpu_to_le16(CHAP_VALID_COOKIE)) 692376738afSNilesh Javali continue; 693376738afSNilesh Javali 694376738afSNilesh Javali chap_rec->chap_tbl_idx = i; 695376738afSNilesh Javali strncpy(chap_rec->username, chap_table->name, 696376738afSNilesh Javali ISCSI_CHAP_AUTH_NAME_MAX_LEN); 697376738afSNilesh Javali strncpy(chap_rec->password, chap_table->secret, 698376738afSNilesh Javali QL4_CHAP_MAX_SECRET_LEN); 699376738afSNilesh Javali chap_rec->password_length = chap_table->secret_len; 700376738afSNilesh Javali 701376738afSNilesh Javali if (chap_table->flags & BIT_7) /* local */ 702376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_OUT; 703376738afSNilesh Javali 704376738afSNilesh Javali if (chap_table->flags & BIT_6) /* peer */ 705376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_IN; 706376738afSNilesh Javali 707376738afSNilesh Javali chap_rec++; 708376738afSNilesh Javali 709376738afSNilesh Javali valid_chap_entries++; 710376738afSNilesh Javali if (valid_chap_entries == *num_entries) 711376738afSNilesh Javali break; 712376738afSNilesh Javali else 713376738afSNilesh Javali continue; 714376738afSNilesh Javali } 715376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 716376738afSNilesh Javali 717376738afSNilesh Javali exit_get_chap_list: 718376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 719376738afSNilesh Javali __func__, valid_chap_entries); 720376738afSNilesh Javali *num_entries = valid_chap_entries; 721376738afSNilesh Javali return ret; 722376738afSNilesh Javali } 723376738afSNilesh Javali 724376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 725376738afSNilesh Javali { 726376738afSNilesh Javali int ret = 0; 727376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 728376738afSNilesh Javali struct iscsi_cls_session *cls_session; 729376738afSNilesh Javali struct iscsi_session *sess; 730376738afSNilesh Javali struct ddb_entry *ddb_entry; 731376738afSNilesh Javali 732376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 733376738afSNilesh Javali goto exit_is_chap_active; 734376738afSNilesh Javali 735376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 736376738afSNilesh Javali sess = cls_session->dd_data; 737376738afSNilesh Javali ddb_entry = sess->dd_data; 738376738afSNilesh Javali 739376738afSNilesh Javali if (iscsi_session_chkready(cls_session)) 740376738afSNilesh Javali goto exit_is_chap_active; 741376738afSNilesh Javali 742376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 743376738afSNilesh Javali ret = 1; 744376738afSNilesh Javali 745376738afSNilesh Javali exit_is_chap_active: 746376738afSNilesh Javali return ret; 747376738afSNilesh Javali } 748376738afSNilesh Javali 749376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 750376738afSNilesh Javali uint16_t chap_tbl_idx) 751376738afSNilesh Javali { 752376738afSNilesh Javali int ret = 0; 753376738afSNilesh Javali 754376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 755376738afSNilesh Javali __qla4xxx_is_chap_active); 756376738afSNilesh Javali 757376738afSNilesh Javali return ret; 758376738afSNilesh Javali } 759376738afSNilesh Javali 760376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 761376738afSNilesh Javali { 762376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 763376738afSNilesh Javali struct ql4_chap_table *chap_table; 764376738afSNilesh Javali dma_addr_t chap_dma; 765376738afSNilesh Javali int max_chap_entries = 0; 766376738afSNilesh Javali uint32_t offset = 0; 767376738afSNilesh Javali uint32_t chap_size; 768376738afSNilesh Javali int ret = 0; 769376738afSNilesh Javali 770376738afSNilesh Javali chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 771376738afSNilesh Javali if (chap_table == NULL) 772376738afSNilesh Javali return -ENOMEM; 773376738afSNilesh Javali 774376738afSNilesh Javali memset(chap_table, 0, sizeof(struct ql4_chap_table)); 775376738afSNilesh Javali 776d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 777376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 778376738afSNilesh Javali sizeof(struct ql4_chap_table); 779376738afSNilesh Javali else 780376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 781376738afSNilesh Javali 782376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 783376738afSNilesh Javali ret = -EINVAL; 784376738afSNilesh Javali goto exit_delete_chap; 785376738afSNilesh Javali } 786376738afSNilesh Javali 787376738afSNilesh Javali /* Check if chap index is in use. 788376738afSNilesh Javali * If chap is in use don't delet chap entry */ 789376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 790376738afSNilesh Javali if (ret) { 791376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 792376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 793376738afSNilesh Javali ret = -EBUSY; 794376738afSNilesh Javali goto exit_delete_chap; 795376738afSNilesh Javali } 796376738afSNilesh Javali 797376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 798376738afSNilesh Javali if (is_qla40XX(ha)) 799376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 800376738afSNilesh Javali else { 801376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 802376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 803376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 804376738afSNilesh Javali */ 805376738afSNilesh Javali if (ha->port_num == 1) 806376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 807376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 808376738afSNilesh Javali } 809376738afSNilesh Javali 810376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 811376738afSNilesh Javali if (ret != QLA_SUCCESS) { 812376738afSNilesh Javali ret = -EINVAL; 813376738afSNilesh Javali goto exit_delete_chap; 814376738afSNilesh Javali } 815376738afSNilesh Javali 816376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 817376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 818376738afSNilesh Javali 819376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 820376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 821376738afSNilesh Javali goto exit_delete_chap; 822376738afSNilesh Javali } 823376738afSNilesh Javali 824376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 825376738afSNilesh Javali 826376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 827376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 828376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 829376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 830376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 831376738afSNilesh Javali mutex_lock(&ha->chap_sem); 832376738afSNilesh Javali /* Update ha chap_list cache */ 833376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 834376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 835376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 836376738afSNilesh Javali } 837376738afSNilesh Javali if (ret != QLA_SUCCESS) 838376738afSNilesh Javali ret = -EINVAL; 839376738afSNilesh Javali 840376738afSNilesh Javali exit_delete_chap: 841376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 842376738afSNilesh Javali return ret; 843376738afSNilesh Javali } 844376738afSNilesh Javali 84526ffd7b4SAdheer Chandravanshi /** 84626ffd7b4SAdheer Chandravanshi * qla4xxx_set_chap_entry - Make chap entry with given information 84726ffd7b4SAdheer Chandravanshi * @shost: pointer to host 84826ffd7b4SAdheer Chandravanshi * @data: chap info - credentials, index and type to make chap entry 84926ffd7b4SAdheer Chandravanshi * @len: length of data 85026ffd7b4SAdheer Chandravanshi * 85126ffd7b4SAdheer Chandravanshi * Add or update chap entry with the given information 85226ffd7b4SAdheer Chandravanshi **/ 85326ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) 85426ffd7b4SAdheer Chandravanshi { 85526ffd7b4SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 85626ffd7b4SAdheer Chandravanshi struct iscsi_chap_rec chap_rec; 85726ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_entry = NULL; 85826ffd7b4SAdheer Chandravanshi struct iscsi_param_info *param_info; 85926ffd7b4SAdheer Chandravanshi struct nlattr *attr; 86026ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 86126ffd7b4SAdheer Chandravanshi int type; 86226ffd7b4SAdheer Chandravanshi int rem = len; 86326ffd7b4SAdheer Chandravanshi int rc = 0; 8643c60cfd7SDan Carpenter int size; 86526ffd7b4SAdheer Chandravanshi 86626ffd7b4SAdheer Chandravanshi memset(&chap_rec, 0, sizeof(chap_rec)); 86726ffd7b4SAdheer Chandravanshi 86826ffd7b4SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 86926ffd7b4SAdheer Chandravanshi param_info = nla_data(attr); 87026ffd7b4SAdheer Chandravanshi 87126ffd7b4SAdheer Chandravanshi switch (param_info->param) { 87226ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_INDEX: 87326ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; 87426ffd7b4SAdheer Chandravanshi break; 87526ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_CHAP_TYPE: 87626ffd7b4SAdheer Chandravanshi chap_rec.chap_type = param_info->value[0]; 87726ffd7b4SAdheer Chandravanshi break; 87826ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_USERNAME: 8793c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.username), 88026ffd7b4SAdheer Chandravanshi param_info->len); 8813c60cfd7SDan Carpenter memcpy(chap_rec.username, param_info->value, size); 88226ffd7b4SAdheer Chandravanshi break; 88326ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD: 8843c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.password), 88526ffd7b4SAdheer Chandravanshi param_info->len); 8863c60cfd7SDan Carpenter memcpy(chap_rec.password, param_info->value, size); 88726ffd7b4SAdheer Chandravanshi break; 88826ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD_LEN: 88926ffd7b4SAdheer Chandravanshi chap_rec.password_length = param_info->value[0]; 89026ffd7b4SAdheer Chandravanshi break; 89126ffd7b4SAdheer Chandravanshi default: 89226ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 89326ffd7b4SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 89426ffd7b4SAdheer Chandravanshi rc = -ENOSYS; 89526ffd7b4SAdheer Chandravanshi goto exit_set_chap; 89626ffd7b4SAdheer Chandravanshi }; 89726ffd7b4SAdheer Chandravanshi } 89826ffd7b4SAdheer Chandravanshi 89926ffd7b4SAdheer Chandravanshi if (chap_rec.chap_type == CHAP_TYPE_IN) 90026ffd7b4SAdheer Chandravanshi type = BIDI_CHAP; 90126ffd7b4SAdheer Chandravanshi else 90226ffd7b4SAdheer Chandravanshi type = LOCAL_CHAP; 90326ffd7b4SAdheer Chandravanshi 90426ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 90526ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 90626ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 90726ffd7b4SAdheer Chandravanshi else 90826ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 90926ffd7b4SAdheer Chandravanshi 91026ffd7b4SAdheer Chandravanshi mutex_lock(&ha->chap_sem); 91126ffd7b4SAdheer Chandravanshi if (chap_rec.chap_tbl_idx < max_chap_entries) { 91226ffd7b4SAdheer Chandravanshi rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, 91326ffd7b4SAdheer Chandravanshi &chap_entry); 91426ffd7b4SAdheer Chandravanshi if (!rc) { 91526ffd7b4SAdheer Chandravanshi if (!(type == qla4xxx_get_chap_type(chap_entry))) { 91626ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 91726ffd7b4SAdheer Chandravanshi "Type mismatch for CHAP entry %d\n", 91826ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 91926ffd7b4SAdheer Chandravanshi rc = -EINVAL; 92026ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 92126ffd7b4SAdheer Chandravanshi } 92226ffd7b4SAdheer Chandravanshi 92326ffd7b4SAdheer Chandravanshi /* If chap index is in use then don't modify it */ 92426ffd7b4SAdheer Chandravanshi rc = qla4xxx_is_chap_active(shost, 92526ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 92626ffd7b4SAdheer Chandravanshi if (rc) { 92726ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 92826ffd7b4SAdheer Chandravanshi "CHAP entry %d is in use\n", 92926ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 93026ffd7b4SAdheer Chandravanshi rc = -EBUSY; 93126ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 93226ffd7b4SAdheer Chandravanshi } 93326ffd7b4SAdheer Chandravanshi } 93426ffd7b4SAdheer Chandravanshi } else { 93526ffd7b4SAdheer Chandravanshi rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); 93626ffd7b4SAdheer Chandravanshi if (rc) { 93726ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); 93826ffd7b4SAdheer Chandravanshi rc = -EBUSY; 93926ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 94026ffd7b4SAdheer Chandravanshi } 94126ffd7b4SAdheer Chandravanshi } 94226ffd7b4SAdheer Chandravanshi 94326ffd7b4SAdheer Chandravanshi rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, 94426ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx, type); 94526ffd7b4SAdheer Chandravanshi 94626ffd7b4SAdheer Chandravanshi exit_unlock_chap: 94726ffd7b4SAdheer Chandravanshi mutex_unlock(&ha->chap_sem); 94826ffd7b4SAdheer Chandravanshi 94926ffd7b4SAdheer Chandravanshi exit_set_chap: 95026ffd7b4SAdheer Chandravanshi return rc; 95126ffd7b4SAdheer Chandravanshi } 95226ffd7b4SAdheer Chandravanshi 953ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 954ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 955ed1086e0SVikas Chaudhary int param, char *buf) 956ed1086e0SVikas Chaudhary { 957ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 958ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 959f8e93412SHarish Zunjarrao int ival; 960f8e93412SHarish Zunjarrao char *pval = NULL; 961ed1086e0SVikas Chaudhary int len = -ENOSYS; 962ed1086e0SVikas Chaudhary 963f8e93412SHarish Zunjarrao if (param_type == ISCSI_NET_PARAM) { 964ed1086e0SVikas Chaudhary switch (param) { 965ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 966ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 967ed1086e0SVikas Chaudhary break; 968ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 969f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI4\n", 970f8e93412SHarish Zunjarrao &ha->ip_config.subnet_mask); 971ed1086e0SVikas Chaudhary break; 972ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 973ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 974ed1086e0SVikas Chaudhary break; 975ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 976f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 977f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 978f8e93412SHarish Zunjarrao IPOPT_IPV4_PROTOCOL_ENABLE, pval); 979f8e93412SHarish Zunjarrao } else { 980f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 981f8e93412SHarish Zunjarrao IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); 982f8e93412SHarish Zunjarrao } 983f8e93412SHarish Zunjarrao 984f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 985ed1086e0SVikas Chaudhary break; 986ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 987ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 988f8e93412SHarish Zunjarrao (ha->ip_config.tcp_options & 989f8e93412SHarish Zunjarrao TCPOPT_DHCP_ENABLE) ? 990ed1086e0SVikas Chaudhary "dhcp" : "static"); 991ed1086e0SVikas Chaudhary break; 992ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 993ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 994f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 995f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr0); 996ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 997f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 998f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr1); 999ed1086e0SVikas Chaudhary break; 1000ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1001ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1002ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 1003ed1086e0SVikas Chaudhary break; 1004ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 1005ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1006ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 1007ed1086e0SVikas Chaudhary break; 1008ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1009f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1010ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 1011f8e93412SHarish Zunjarrao "nd" : "static"; 1012f8e93412SHarish Zunjarrao 1013f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1014ed1086e0SVikas Chaudhary break; 1015ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1016f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1017ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 1018f8e93412SHarish Zunjarrao "auto" : "static"; 1019f8e93412SHarish Zunjarrao 1020f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1021ed1086e0SVikas Chaudhary break; 10226ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 10236ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1024f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv4_vlan_tag & 1025f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1026f8e93412SHarish Zunjarrao else 1027f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv6_vlan_tag & 1028f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1029f8e93412SHarish Zunjarrao 1030f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 10316ac73e8cSVikas Chaudhary break; 10326ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 10336ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1034f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv4_vlan_tag >> 13) & 1035f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1036f8e93412SHarish Zunjarrao else 1037f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_vlan_tag >> 13) & 1038f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1039f8e93412SHarish Zunjarrao 1040f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 10416ac73e8cSVikas Chaudhary break; 10426ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 1043f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1044f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1045f8e93412SHarish Zunjarrao IPOPT_VLAN_TAGGING_ENABLE, pval); 1046f8e93412SHarish Zunjarrao } else { 1047f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1048f8e93412SHarish Zunjarrao IPV6_OPT_VLAN_TAGGING_ENABLE, pval); 1049f8e93412SHarish Zunjarrao } 1050f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 10516ac73e8cSVikas Chaudhary break; 1052943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1053943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 1054943c157bSVikas Chaudhary break; 10552ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 10562ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1057f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1058f8e93412SHarish Zunjarrao ha->ip_config.ipv4_port); 1059f8e93412SHarish Zunjarrao else 1060f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1061f8e93412SHarish Zunjarrao ha->ip_config.ipv6_port); 1062f8e93412SHarish Zunjarrao break; 1063f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 1064f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1065f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1066f8e93412SHarish Zunjarrao ha->ip_config.ipv4_addr_state); 1067f8e93412SHarish Zunjarrao } else { 1068f8e93412SHarish Zunjarrao if (iface->iface_num == 0) 1069f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1070f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr0_state); 1071f8e93412SHarish Zunjarrao else if (iface->iface_num == 1) 1072f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1073f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr1_state); 1074f8e93412SHarish Zunjarrao } 1075f8e93412SHarish Zunjarrao 1076f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1077f8e93412SHarish Zunjarrao break; 1078f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 1079f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1080f8e93412SHarish Zunjarrao ha->ip_config.ipv6_link_local_state); 1081f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1082f8e93412SHarish Zunjarrao break; 1083f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 1084f8e93412SHarish Zunjarrao pval = iscsi_get_router_state_name( 1085f8e93412SHarish Zunjarrao ha->ip_config.ipv6_default_router_state); 1086f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1087f8e93412SHarish Zunjarrao break; 1088f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 1089f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1090f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1091f8e93412SHarish Zunjarrao TCPOPT_DELAYED_ACK_DISABLE, pval); 1092f8e93412SHarish Zunjarrao } else { 1093f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1094f8e93412SHarish Zunjarrao IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); 1095f8e93412SHarish Zunjarrao } 1096f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1097f8e93412SHarish Zunjarrao break; 1098f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 1099f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1100f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1101f8e93412SHarish Zunjarrao TCPOPT_NAGLE_ALGO_DISABLE, pval); 1102f8e93412SHarish Zunjarrao } else { 1103f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1104f8e93412SHarish Zunjarrao IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); 1105f8e93412SHarish Zunjarrao } 1106f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1107f8e93412SHarish Zunjarrao break; 1108f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 1109f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1110f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1111f8e93412SHarish Zunjarrao TCPOPT_WINDOW_SCALE_DISABLE, pval); 1112f8e93412SHarish Zunjarrao } else { 1113f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1114f8e93412SHarish Zunjarrao IPV6_TCPOPT_WINDOW_SCALE_DISABLE, 1115f8e93412SHarish Zunjarrao pval); 1116f8e93412SHarish Zunjarrao } 1117f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1118f8e93412SHarish Zunjarrao break; 1119f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 1120f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1121f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1122f8e93412SHarish Zunjarrao ha->ip_config.tcp_wsf); 1123f8e93412SHarish Zunjarrao else 1124f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1125f8e93412SHarish Zunjarrao ha->ip_config.ipv6_tcp_wsf); 1126f8e93412SHarish Zunjarrao break; 1127f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 1128f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1129f8e93412SHarish Zunjarrao ival = (ha->ip_config.tcp_options & 1130f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE) >> 1; 1131f8e93412SHarish Zunjarrao else 1132f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_tcp_options & 1133f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE) >> 1; 1134f8e93412SHarish Zunjarrao 1135f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 1136f8e93412SHarish Zunjarrao break; 1137f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 1138f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1139f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1140f8e93412SHarish Zunjarrao TCPOPT_TIMESTAMP_ENABLE, pval); 1141f8e93412SHarish Zunjarrao } else { 1142f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_tcp_options, 1143f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMESTAMP_EN, pval); 1144f8e93412SHarish Zunjarrao } 1145f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1146f8e93412SHarish Zunjarrao break; 1147f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 1148f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1149f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1150f8e93412SHarish Zunjarrao ha->ip_config.ipv4_cache_id); 1151f8e93412SHarish Zunjarrao else 1152f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1153f8e93412SHarish Zunjarrao ha->ip_config.ipv6_cache_id); 1154f8e93412SHarish Zunjarrao break; 1155f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 1156f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1157f8e93412SHarish Zunjarrao TCPOPT_DNS_SERVER_IP_EN, pval); 1158f8e93412SHarish Zunjarrao 1159f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1160f8e93412SHarish Zunjarrao break; 1161f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 1162f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1163f8e93412SHarish Zunjarrao TCPOPT_SLP_DA_INFO_EN, pval); 1164f8e93412SHarish Zunjarrao 1165f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1166f8e93412SHarish Zunjarrao break; 1167f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 1168f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1169f8e93412SHarish Zunjarrao IPOPT_IPV4_TOS_EN, pval); 1170f8e93412SHarish Zunjarrao 1171f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1172f8e93412SHarish Zunjarrao break; 1173f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 1174f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); 1175f8e93412SHarish Zunjarrao break; 1176f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 1177f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1178f8e93412SHarish Zunjarrao IPOPT_GRAT_ARP_EN, pval); 1179f8e93412SHarish Zunjarrao 1180f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1181f8e93412SHarish Zunjarrao break; 1182f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 1183f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, 1184f8e93412SHarish Zunjarrao pval); 1185f8e93412SHarish Zunjarrao 1186f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1187f8e93412SHarish Zunjarrao break; 1188f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 1189f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_alt_cid_len) ? 1190f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_alt_cid : ""; 1191f8e93412SHarish Zunjarrao 1192f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1193f8e93412SHarish Zunjarrao break; 1194f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 1195f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1196f8e93412SHarish Zunjarrao IPOPT_REQ_VID_EN, pval); 1197f8e93412SHarish Zunjarrao 1198f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1199f8e93412SHarish Zunjarrao break; 1200f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 1201f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1202f8e93412SHarish Zunjarrao IPOPT_USE_VID_EN, pval); 1203f8e93412SHarish Zunjarrao 1204f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1205f8e93412SHarish Zunjarrao break; 1206f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 1207f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_vid_len) ? 1208f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_vid : ""; 1209f8e93412SHarish Zunjarrao 1210f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1211f8e93412SHarish Zunjarrao break; 1212f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 1213f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1214f8e93412SHarish Zunjarrao IPOPT_LEARN_IQN_EN, pval); 1215f8e93412SHarish Zunjarrao 1216f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1217f8e93412SHarish Zunjarrao break; 1218f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 1219f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv4_options, 1220f8e93412SHarish Zunjarrao IPOPT_FRAGMENTATION_DISABLE, pval); 1221f8e93412SHarish Zunjarrao 1222f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1223f8e93412SHarish Zunjarrao break; 1224f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 1225f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1226f8e93412SHarish Zunjarrao IPOPT_IN_FORWARD_EN, pval); 1227f8e93412SHarish Zunjarrao 1228f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1229f8e93412SHarish Zunjarrao break; 1230f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 1231f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1232f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1233f8e93412SHarish Zunjarrao IPOPT_ARP_REDIRECT_EN, pval); 1234f8e93412SHarish Zunjarrao } else { 1235f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1236f8e93412SHarish Zunjarrao IPV6_OPT_REDIRECT_EN, pval); 1237f8e93412SHarish Zunjarrao } 1238f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1239f8e93412SHarish Zunjarrao break; 1240f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 1241f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); 1242f8e93412SHarish Zunjarrao break; 1243f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 1244f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1245f8e93412SHarish Zunjarrao IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); 1246f8e93412SHarish Zunjarrao 1247f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1248f8e93412SHarish Zunjarrao break; 1249f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 1250f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_addl_options, 1251f8e93412SHarish Zunjarrao IPV6_ADDOPT_MLD_EN, pval); 1252f8e93412SHarish Zunjarrao 1253f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1254f8e93412SHarish Zunjarrao break; 1255f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 1256f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); 1257f8e93412SHarish Zunjarrao break; 1258f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 1259f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1260f8e93412SHarish Zunjarrao ha->ip_config.ipv6_traffic_class); 1261f8e93412SHarish Zunjarrao break; 1262f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 1263f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1264f8e93412SHarish Zunjarrao ha->ip_config.ipv6_hop_limit); 1265f8e93412SHarish Zunjarrao break; 1266f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 1267f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1268f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_reach_time); 1269f8e93412SHarish Zunjarrao break; 1270f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 1271f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1272f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_rexmit_timer); 1273f8e93412SHarish Zunjarrao break; 1274f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 1275f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1276f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_stale_timeout); 1277f8e93412SHarish Zunjarrao break; 1278f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 1279f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1280f8e93412SHarish Zunjarrao ha->ip_config.ipv6_dup_addr_detect_count); 1281f8e93412SHarish Zunjarrao break; 1282f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 1283f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1284f8e93412SHarish Zunjarrao ha->ip_config.ipv6_gw_advrt_mtu); 12852ada7fc5SVikas Chaudhary break; 1286ed1086e0SVikas Chaudhary default: 1287ed1086e0SVikas Chaudhary len = -ENOSYS; 1288ed1086e0SVikas Chaudhary } 1289f8e93412SHarish Zunjarrao } else if (param_type == ISCSI_IFACE_PARAM) { 1290f8e93412SHarish Zunjarrao switch (param) { 1291f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 1292f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); 1293f8e93412SHarish Zunjarrao break; 1294f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 1295f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1296f8e93412SHarish Zunjarrao ISCSIOPTS_HEADER_DIGEST_EN, pval); 1297f8e93412SHarish Zunjarrao 1298f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1299f8e93412SHarish Zunjarrao break; 1300f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 1301f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1302f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_DIGEST_EN, pval); 1303f8e93412SHarish Zunjarrao 1304f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1305f8e93412SHarish Zunjarrao break; 1306f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 1307f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1308f8e93412SHarish Zunjarrao ISCSIOPTS_IMMEDIATE_DATA_EN, pval); 1309f8e93412SHarish Zunjarrao 1310f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1311f8e93412SHarish Zunjarrao break; 1312f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 1313f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1314f8e93412SHarish Zunjarrao ISCSIOPTS_INITIAL_R2T_EN, pval); 1315f8e93412SHarish Zunjarrao 1316f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1317f8e93412SHarish Zunjarrao break; 1318f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 1319f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1320f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); 1321f8e93412SHarish Zunjarrao 1322f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1323f8e93412SHarish Zunjarrao break; 1324f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 1325f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1326f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_PDU_INORDER_EN, pval); 1327f8e93412SHarish Zunjarrao 1328f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1329f8e93412SHarish Zunjarrao break; 1330f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 1331f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1332f8e93412SHarish Zunjarrao (ha->ip_config.iscsi_options & 1333f8e93412SHarish Zunjarrao ISCSIOPTS_ERL)); 1334f8e93412SHarish Zunjarrao break; 1335f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 1336f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1337f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_pdu_size * 1338f8e93412SHarish Zunjarrao BYTE_UNITS); 1339f8e93412SHarish Zunjarrao break; 1340f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 1341f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1342f8e93412SHarish Zunjarrao ha->ip_config.iscsi_first_burst_len * 1343f8e93412SHarish Zunjarrao BYTE_UNITS); 1344f8e93412SHarish Zunjarrao break; 1345f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 1346f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1347f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_outstnd_r2t); 1348f8e93412SHarish Zunjarrao break; 1349f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 1350f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1351f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_burst_len * 1352f8e93412SHarish Zunjarrao BYTE_UNITS); 1353f8e93412SHarish Zunjarrao break; 1354f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 1355f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1356f8e93412SHarish Zunjarrao ISCSIOPTS_CHAP_AUTH_EN, pval); 1357f8e93412SHarish Zunjarrao 1358f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1359f8e93412SHarish Zunjarrao break; 1360f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 1361f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1362f8e93412SHarish Zunjarrao ISCSIOPTS_BIDI_CHAP_EN, pval); 1363f8e93412SHarish Zunjarrao 1364f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1365f8e93412SHarish Zunjarrao break; 1366f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 1367f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1368f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_AUTH_EN, pval); 1369f8e93412SHarish Zunjarrao 1370f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1371f8e93412SHarish Zunjarrao break; 1372f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 1373f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1374f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); 1375f8e93412SHarish Zunjarrao 1376f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1377f8e93412SHarish Zunjarrao break; 1378f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 1379f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1380f8e93412SHarish Zunjarrao ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); 1381f8e93412SHarish Zunjarrao 1382f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1383f8e93412SHarish Zunjarrao break; 1384f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 1385f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); 1386f8e93412SHarish Zunjarrao break; 1387f8e93412SHarish Zunjarrao default: 1388f8e93412SHarish Zunjarrao len = -ENOSYS; 1389f8e93412SHarish Zunjarrao } 1390f8e93412SHarish Zunjarrao } 1391ed1086e0SVikas Chaudhary 1392ed1086e0SVikas Chaudhary return len; 1393ed1086e0SVikas Chaudhary } 1394ed1086e0SVikas Chaudhary 1395b3a271a9SManish Rangankar static struct iscsi_endpoint * 1396b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 1397b3a271a9SManish Rangankar int non_blocking) 1398b3a271a9SManish Rangankar { 1399b3a271a9SManish Rangankar int ret; 1400b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1401b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1402b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1403b3a271a9SManish Rangankar struct sockaddr_in *addr; 1404b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 1405b3a271a9SManish Rangankar 1406b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1407b3a271a9SManish Rangankar if (!shost) { 1408b3a271a9SManish Rangankar ret = -ENXIO; 1409b3a271a9SManish Rangankar printk(KERN_ERR "%s: shost is NULL\n", 1410b3a271a9SManish Rangankar __func__); 1411b3a271a9SManish Rangankar return ERR_PTR(ret); 1412b3a271a9SManish Rangankar } 1413b3a271a9SManish Rangankar 1414b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 1415b3a271a9SManish Rangankar 1416b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 1417b3a271a9SManish Rangankar if (!ep) { 1418b3a271a9SManish Rangankar ret = -ENOMEM; 1419b3a271a9SManish Rangankar return ERR_PTR(ret); 1420b3a271a9SManish Rangankar } 1421b3a271a9SManish Rangankar 1422b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1423b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 1424b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 1425b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 1426b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 1427b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 1428b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 1429b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 1430b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 1431b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 1432b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 1433b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 1434b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 1435b3a271a9SManish Rangankar } 1436b3a271a9SManish Rangankar 1437b3a271a9SManish Rangankar qla_ep->host = shost; 1438b3a271a9SManish Rangankar 1439b3a271a9SManish Rangankar return ep; 1440b3a271a9SManish Rangankar } 1441b3a271a9SManish Rangankar 1442b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 1443b3a271a9SManish Rangankar { 1444b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1445b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1446b3a271a9SManish Rangankar int ret = 0; 1447b3a271a9SManish Rangankar 1448b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1449b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1450b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1451b3a271a9SManish Rangankar 145213483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 1453b3a271a9SManish Rangankar ret = 1; 1454b3a271a9SManish Rangankar 1455b3a271a9SManish Rangankar return ret; 1456b3a271a9SManish Rangankar } 1457b3a271a9SManish Rangankar 1458b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 1459b3a271a9SManish Rangankar { 1460b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1461b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 1462b3a271a9SManish Rangankar } 1463b3a271a9SManish Rangankar 1464b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 1465b3a271a9SManish Rangankar enum iscsi_param param, 1466b3a271a9SManish Rangankar char *buf) 1467b3a271a9SManish Rangankar { 1468b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 1469b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1470b3a271a9SManish Rangankar 1471b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1472b3a271a9SManish Rangankar 1473b3a271a9SManish Rangankar switch (param) { 1474b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 1475b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 1476b3a271a9SManish Rangankar if (!qla_ep) 1477b3a271a9SManish Rangankar return -ENOTCONN; 1478b3a271a9SManish Rangankar 1479b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1480b3a271a9SManish Rangankar if (!dst_addr) 1481b3a271a9SManish Rangankar return -ENOTCONN; 1482b3a271a9SManish Rangankar 1483b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1484b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 1485b3a271a9SManish Rangankar default: 1486b3a271a9SManish Rangankar return -ENOSYS; 1487b3a271a9SManish Rangankar } 1488b3a271a9SManish Rangankar } 1489b3a271a9SManish Rangankar 1490b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 1491b3a271a9SManish Rangankar struct iscsi_stats *stats) 1492b3a271a9SManish Rangankar { 1493b3a271a9SManish Rangankar struct iscsi_session *sess; 1494b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1495b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1496b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1497b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 1498b3a271a9SManish Rangankar int stats_size; 1499b3a271a9SManish Rangankar int ret; 1500b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 1501b3a271a9SManish Rangankar 1502b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1503b3a271a9SManish Rangankar 1504b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 1505b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1506b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1507b3a271a9SManish Rangankar ha = ddb_entry->ha; 1508b3a271a9SManish Rangankar 1509b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 1510b3a271a9SManish Rangankar /* Allocate memory */ 1511b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 1512b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 1513b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 1514b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1515b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 1516b3a271a9SManish Rangankar goto exit_get_stats; 1517b3a271a9SManish Rangankar } 1518b3a271a9SManish Rangankar 1519b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 1520b3a271a9SManish Rangankar iscsi_stats_dma); 1521b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 1522b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 152359e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 1524b3a271a9SManish Rangankar goto free_stats; 1525b3a271a9SManish Rangankar } 1526b3a271a9SManish Rangankar 1527b3a271a9SManish Rangankar /* octets */ 1528b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 1529b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 1530b3a271a9SManish Rangankar /* xmit pdus */ 1531b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 1532b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 1533b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 1534b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 1535b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 1536b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 1537b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 1538b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 1539b3a271a9SManish Rangankar /* recv pdus */ 1540b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 1541b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 1542b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 1543b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 1544b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 1545b3a271a9SManish Rangankar stats->logoutrsp_pdus = 1546b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 1547b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 1548b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 1549b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 1550b3a271a9SManish Rangankar 1551b3a271a9SManish Rangankar free_stats: 1552b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 1553b3a271a9SManish Rangankar iscsi_stats_dma); 1554b3a271a9SManish Rangankar exit_get_stats: 1555b3a271a9SManish Rangankar return; 1556b3a271a9SManish Rangankar } 1557b3a271a9SManish Rangankar 15585c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 15595c656af7SMike Christie { 15605c656af7SMike Christie struct iscsi_cls_session *session; 1561b3a271a9SManish Rangankar struct iscsi_session *sess; 1562b3a271a9SManish Rangankar unsigned long flags; 1563b3a271a9SManish Rangankar enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; 15645c656af7SMike Christie 15655c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 1566b3a271a9SManish Rangankar sess = session->dd_data; 15675c656af7SMike Christie 1568b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 1569b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 1570b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 1571b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 15725c656af7SMike Christie 1573b3a271a9SManish Rangankar return ret; 1574568d303bSMike Christie } 1575afaf5a2dSDavid Somayajulu 15763254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 15773254dbe9SVikas Chaudhary { 15783254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1579e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 15803254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 15813254dbe9SVikas Chaudhary 15823254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 15833254dbe9SVikas Chaudhary 15843254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 15853254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 15863254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 15873254dbe9SVikas Chaudhary break; 15883254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 15893254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 15903254dbe9SVikas Chaudhary break; 15913254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 15923254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 15933254dbe9SVikas Chaudhary break; 15943254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 15953254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 15963254dbe9SVikas Chaudhary break; 15973254dbe9SVikas Chaudhary } 15983254dbe9SVikas Chaudhary ihost->port_speed = speed; 15993254dbe9SVikas Chaudhary } 16003254dbe9SVikas Chaudhary 16013254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 16023254dbe9SVikas Chaudhary { 16033254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1604e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 16053254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 16063254dbe9SVikas Chaudhary 16073254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 16083254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 16093254dbe9SVikas Chaudhary 16103254dbe9SVikas Chaudhary ihost->port_state = state; 16113254dbe9SVikas Chaudhary } 16123254dbe9SVikas Chaudhary 1613aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 1614aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 1615aa1e93a2SMike Christie { 1616aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1617aa1e93a2SMike Christie int len; 1618aa1e93a2SMike Christie 1619aa1e93a2SMike Christie switch (param) { 1620aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 16217ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 1622aa1e93a2SMike Christie break; 162322236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 16242bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 162522236961SMike Christie break; 16268ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 162722236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 16288ad5781aSMike Christie break; 16293254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 16303254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 16313254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 16323254dbe9SVikas Chaudhary break; 16333254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 16343254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 16353254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 16363254dbe9SVikas Chaudhary break; 1637aa1e93a2SMike Christie default: 1638aa1e93a2SMike Christie return -ENOSYS; 1639aa1e93a2SMike Christie } 1640aa1e93a2SMike Christie 1641aa1e93a2SMike Christie return len; 1642aa1e93a2SMike Christie } 1643aa1e93a2SMike Christie 1644ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1645ed1086e0SVikas Chaudhary { 1646ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1647ed1086e0SVikas Chaudhary return; 1648ed1086e0SVikas Chaudhary 1649ed1086e0SVikas Chaudhary /* IPv4 */ 1650ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1651ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1652ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1653ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1654ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1655ed1086e0SVikas Chaudhary "iface0.\n"); 1656ed1086e0SVikas Chaudhary } 1657ed1086e0SVikas Chaudhary 1658ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1659ed1086e0SVikas Chaudhary { 1660ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1661ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1662ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1663ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1664ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1665ed1086e0SVikas Chaudhary 0); 1666ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1667ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1668ed1086e0SVikas Chaudhary "iface0.\n"); 1669ed1086e0SVikas Chaudhary 1670ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1671ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1672ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1673ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1674ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1675ed1086e0SVikas Chaudhary 0); 1676ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1677ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1678ed1086e0SVikas Chaudhary "iface1.\n"); 1679ed1086e0SVikas Chaudhary } 1680ed1086e0SVikas Chaudhary 1681ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1682ed1086e0SVikas Chaudhary { 1683ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 1684ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1685ed1086e0SVikas Chaudhary 1686ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 1687ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1688ed1086e0SVikas Chaudhary } 1689ed1086e0SVikas Chaudhary 1690ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 1691ed1086e0SVikas Chaudhary { 1692ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 1693ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 1694ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 1695ed1086e0SVikas Chaudhary } 1696ed1086e0SVikas Chaudhary } 1697ed1086e0SVikas Chaudhary 1698ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 1699ed1086e0SVikas Chaudhary { 1700ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 1701ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 1702ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 1703ed1086e0SVikas Chaudhary } 1704ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 1705ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 1706ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 1707ed1086e0SVikas Chaudhary } 1708ed1086e0SVikas Chaudhary } 1709ed1086e0SVikas Chaudhary 1710ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 1711ed1086e0SVikas Chaudhary { 1712ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 1713ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 1714ed1086e0SVikas Chaudhary } 1715ed1086e0SVikas Chaudhary 1716d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 1717d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1718d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1719d00efe3fSMike Christie { 1720d00efe3fSMike Christie /* 1721d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 1722d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 1723d00efe3fSMike Christie */ 1724d00efe3fSMike Christie switch (iface_param->param) { 1725d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 1726d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1727d00efe3fSMike Christie /* IPv6 Addr 1 */ 1728d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 1729d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 1730d00efe3fSMike Christie else 1731d00efe3fSMike Christie /* IPv6 Addr 0 */ 1732d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 1733d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 1734d00efe3fSMike Christie break; 1735d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1736d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1737d00efe3fSMike Christie break; 1738d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 1739d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 1740d00efe3fSMike Christie break; 1741d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 1742d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1743d00efe3fSMike Christie break; 1744d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 1745d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 1746d00efe3fSMike Christie break; 1747d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1748d00efe3fSMike Christie /* Autocfg applies to even interface */ 1749d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1750d00efe3fSMike Christie break; 1751d00efe3fSMike Christie 1752d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 1753d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 1754d00efe3fSMike Christie cpu_to_le16( 1755d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 1756d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 1757d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 1758d00efe3fSMike Christie cpu_to_le16( 1759d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 1760d00efe3fSMike Christie else 1761f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 1762f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 addr\n"); 1763d00efe3fSMike Christie break; 1764d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1765d00efe3fSMike Christie /* Autocfg applies to even interface */ 1766d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1767d00efe3fSMike Christie break; 1768d00efe3fSMike Christie 1769d00efe3fSMike Christie if (iface_param->value[0] == 1770d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 1771d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 1772d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 1773d00efe3fSMike Christie else if (iface_param->value[0] == 1774d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 1775d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 1776d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 1777d00efe3fSMike Christie else 1778f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 1779f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 linklocal addr\n"); 1780d00efe3fSMike Christie break; 1781d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 1782d00efe3fSMike Christie /* Autocfg applies to even interface */ 1783d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1784d00efe3fSMike Christie break; 1785d00efe3fSMike Christie 1786d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 1787d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 1788d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 1789d00efe3fSMike Christie break; 1790d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 1791ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 1792d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 1793d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 1794ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1795ed1086e0SVikas Chaudhary } else { 1796d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 1797d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 1798d00efe3fSMike Christie 0xFFFF); 1799ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 1800ed1086e0SVikas Chaudhary } 1801d00efe3fSMike Christie break; 18022d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 1803d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 1804d00efe3fSMike Christie break; 18056ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 18066ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 18076ac73e8cSVikas Chaudhary break; 18086ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 18096ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 18106ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 18116ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 18126ac73e8cSVikas Chaudhary else 18136ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 18146ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 1815d00efe3fSMike Christie break; 1816943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1817943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 1818943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 1819943c157bSVikas Chaudhary break; 18202ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 18212ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 18222ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 18232ada7fc5SVikas Chaudhary break; 18242ada7fc5SVikas Chaudhary 18252ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 18262ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 18272ada7fc5SVikas Chaudhary break; 1828f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 1829f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1830f8e93412SHarish Zunjarrao break; 1831f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 1832f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 1833f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); 1834f8e93412SHarish Zunjarrao else 1835f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 1836f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE); 1837f8e93412SHarish Zunjarrao break; 1838f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 1839f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1840f8e93412SHarish Zunjarrao break; 1841f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 1842f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 1843f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 1844f8e93412SHarish Zunjarrao else 1845f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 1846f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 1847f8e93412SHarish Zunjarrao break; 1848f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 1849f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1850f8e93412SHarish Zunjarrao break; 1851f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 1852f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 1853f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 1854f8e93412SHarish Zunjarrao else 1855f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 1856f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 1857f8e93412SHarish Zunjarrao break; 1858f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 1859f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1860f8e93412SHarish Zunjarrao break; 1861f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; 1862f8e93412SHarish Zunjarrao break; 1863f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 1864f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1865f8e93412SHarish Zunjarrao break; 1866f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 1867f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); 1868f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 1869f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 1870f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE); 1871f8e93412SHarish Zunjarrao break; 1872f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 1873f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1874f8e93412SHarish Zunjarrao break; 1875f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 1876f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 1877f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); 1878f8e93412SHarish Zunjarrao else 1879f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 1880f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); 1881f8e93412SHarish Zunjarrao break; 1882f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 1883f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1884f8e93412SHarish Zunjarrao break; 1885f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 1886f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 1887f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 1888f8e93412SHarish Zunjarrao else 1889f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 1890f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 1891f8e93412SHarish Zunjarrao break; 1892f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 1893f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1894f8e93412SHarish Zunjarrao break; 1895f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 1896f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 1897f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_REDIRECT_EN); 1898f8e93412SHarish Zunjarrao else 1899f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 1900f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_REDIRECT_EN); 1901f8e93412SHarish Zunjarrao break; 1902f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 1903f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1904f8e93412SHarish Zunjarrao break; 1905f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 1906f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts |= 1907f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_ADDOPT_MLD_EN); 1908f8e93412SHarish Zunjarrao else 1909f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts &= 1910f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_ADDOPT_MLD_EN); 1911f8e93412SHarish Zunjarrao break; 1912f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 1913f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1914f8e93412SHarish Zunjarrao break; 1915f8e93412SHarish Zunjarrao init_fw_cb->ipv6_flow_lbl = 1916f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 1917f8e93412SHarish Zunjarrao break; 1918f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 1919f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1920f8e93412SHarish Zunjarrao break; 1921f8e93412SHarish Zunjarrao init_fw_cb->ipv6_traffic_class = iface_param->value[0]; 1922f8e93412SHarish Zunjarrao break; 1923f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 1924f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1925f8e93412SHarish Zunjarrao break; 1926f8e93412SHarish Zunjarrao init_fw_cb->ipv6_hop_limit = iface_param->value[0]; 1927f8e93412SHarish Zunjarrao break; 1928f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 1929f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1930f8e93412SHarish Zunjarrao break; 1931f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_reach_time = 1932f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 1933f8e93412SHarish Zunjarrao break; 1934f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 1935f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1936f8e93412SHarish Zunjarrao break; 1937f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_rexmit_timer = 1938f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 1939f8e93412SHarish Zunjarrao break; 1940f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 1941f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1942f8e93412SHarish Zunjarrao break; 1943f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_stale_timeout = 1944f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 1945f8e93412SHarish Zunjarrao break; 1946f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 1947f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1948f8e93412SHarish Zunjarrao break; 1949f8e93412SHarish Zunjarrao init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; 1950f8e93412SHarish Zunjarrao break; 1951f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 1952f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 1953f8e93412SHarish Zunjarrao break; 1954f8e93412SHarish Zunjarrao init_fw_cb->ipv6_gw_advrt_mtu = 1955f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 1956f8e93412SHarish Zunjarrao break; 1957d00efe3fSMike Christie default: 1958d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 1959d00efe3fSMike Christie iface_param->param); 1960d00efe3fSMike Christie break; 1961d00efe3fSMike Christie } 1962d00efe3fSMike Christie } 1963d00efe3fSMike Christie 1964d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 1965d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1966d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1967d00efe3fSMike Christie { 1968d00efe3fSMike Christie switch (iface_param->param) { 1969d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 1970d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 1971d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 1972d00efe3fSMike Christie break; 1973d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 1974d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 1975d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 1976d00efe3fSMike Christie break; 1977d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 1978d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 1979d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 1980d00efe3fSMike Christie break; 1981d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1982d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 1983d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 1984d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 1985d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 1986d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 1987d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 1988d00efe3fSMike Christie else 1989d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 1990d00efe3fSMike Christie break; 1991d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 1992ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 1993d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 19942bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 1995ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1996ed1086e0SVikas Chaudhary } else { 1997d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 19982bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 1999d00efe3fSMike Christie 0xFFFF); 2000ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2001ed1086e0SVikas Chaudhary } 2002d00efe3fSMike Christie break; 20032d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2004d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 2005d00efe3fSMike Christie break; 20066ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 20076ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 20086ac73e8cSVikas Chaudhary break; 20096ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 20106ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 20116ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 20126ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 20136ac73e8cSVikas Chaudhary else 20146ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 20156ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 2016d00efe3fSMike Christie break; 2017943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2018943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2019943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2020943c157bSVikas Chaudhary break; 20212ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 20222ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 20232ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 20242ada7fc5SVikas Chaudhary break; 2025f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2026f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2027f8e93412SHarish Zunjarrao break; 2028f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2029f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2030f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); 2031f8e93412SHarish Zunjarrao else 2032f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2033f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE); 2034f8e93412SHarish Zunjarrao break; 2035f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2036f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2037f8e93412SHarish Zunjarrao break; 2038f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2039f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2040f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); 2041f8e93412SHarish Zunjarrao else 2042f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2043f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); 2044f8e93412SHarish Zunjarrao break; 2045f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2046f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2047f8e93412SHarish Zunjarrao break; 2048f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2049f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2050f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); 2051f8e93412SHarish Zunjarrao else 2052f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2053f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); 2054f8e93412SHarish Zunjarrao break; 2055f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2056f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2057f8e93412SHarish Zunjarrao break; 2058f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; 2059f8e93412SHarish Zunjarrao break; 2060f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2061f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2062f8e93412SHarish Zunjarrao break; 2063f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); 2064f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2065f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2066f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE); 2067f8e93412SHarish Zunjarrao break; 2068f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2069f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2070f8e93412SHarish Zunjarrao break; 2071f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2072f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2073f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); 2074f8e93412SHarish Zunjarrao else 2075f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2076f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); 2077f8e93412SHarish Zunjarrao break; 2078f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 2079f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2080f8e93412SHarish Zunjarrao break; 2081f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2082f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2083f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); 2084f8e93412SHarish Zunjarrao else 2085f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2086f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); 2087f8e93412SHarish Zunjarrao break; 2088f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 2089f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2090f8e93412SHarish Zunjarrao break; 2091f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2092f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2093f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); 2094f8e93412SHarish Zunjarrao else 2095f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2096f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); 2097f8e93412SHarish Zunjarrao break; 2098f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 2099f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2100f8e93412SHarish Zunjarrao break; 2101f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2102f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2103f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IPV4_TOS_EN); 2104f8e93412SHarish Zunjarrao else 2105f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2106f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IPV4_TOS_EN); 2107f8e93412SHarish Zunjarrao break; 2108f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 2109f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2110f8e93412SHarish Zunjarrao break; 2111f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tos = iface_param->value[0]; 2112f8e93412SHarish Zunjarrao break; 2113f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 2114f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2115f8e93412SHarish Zunjarrao break; 2116f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2117f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2118f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_GRAT_ARP_EN); 2119f8e93412SHarish Zunjarrao else 2120f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2121f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_GRAT_ARP_EN); 2122f8e93412SHarish Zunjarrao break; 2123f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 2124f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2125f8e93412SHarish Zunjarrao break; 2126f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2127f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2128f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ALT_CID_EN); 2129f8e93412SHarish Zunjarrao else 2130f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2131f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ALT_CID_EN); 2132f8e93412SHarish Zunjarrao break; 2133f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 2134f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2135f8e93412SHarish Zunjarrao break; 2136f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, 2137f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); 2138f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_alt_cid_len = 2139f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_alt_cid); 2140f8e93412SHarish Zunjarrao break; 2141f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 2142f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2143f8e93412SHarish Zunjarrao break; 2144f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2145f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2146f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_REQ_VID_EN); 2147f8e93412SHarish Zunjarrao else 2148f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2149f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_REQ_VID_EN); 2150f8e93412SHarish Zunjarrao break; 2151f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 2152f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2153f8e93412SHarish Zunjarrao break; 2154f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2155f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2156f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_USE_VID_EN); 2157f8e93412SHarish Zunjarrao else 2158f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2159f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_USE_VID_EN); 2160f8e93412SHarish Zunjarrao break; 2161f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 2162f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2163f8e93412SHarish Zunjarrao break; 2164f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, 2165f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); 2166f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_vid_len = 2167f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_vid); 2168f8e93412SHarish Zunjarrao break; 2169f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_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->ipv4_ip_opts |= 2174f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_LEARN_IQN_EN); 2175f8e93412SHarish Zunjarrao else 2176f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2177f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_LEARN_IQN_EN); 2178f8e93412SHarish Zunjarrao break; 2179f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 2180f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2181f8e93412SHarish Zunjarrao break; 2182f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2183f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2184f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); 2185f8e93412SHarish Zunjarrao else 2186f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2187f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); 2188f8e93412SHarish Zunjarrao break; 2189f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 2190f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2191f8e93412SHarish Zunjarrao break; 2192f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2193f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2194f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IN_FORWARD_EN); 2195f8e93412SHarish Zunjarrao else 2196f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2197f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IN_FORWARD_EN); 2198f8e93412SHarish Zunjarrao break; 2199f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2200f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2201f8e93412SHarish Zunjarrao break; 2202f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2203f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2204f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ARP_REDIRECT_EN); 2205f8e93412SHarish Zunjarrao else 2206f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2207f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); 2208f8e93412SHarish Zunjarrao break; 2209f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 2210f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2211f8e93412SHarish Zunjarrao break; 2212f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ttl = iface_param->value[0]; 2213f8e93412SHarish Zunjarrao break; 2214d00efe3fSMike Christie default: 2215d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 2216d00efe3fSMike Christie iface_param->param); 2217d00efe3fSMike Christie break; 2218d00efe3fSMike Christie } 2219d00efe3fSMike Christie } 2220d00efe3fSMike Christie 2221f8e93412SHarish Zunjarrao static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, 2222f8e93412SHarish Zunjarrao struct iscsi_iface_param_info *iface_param, 2223f8e93412SHarish Zunjarrao struct addr_ctrl_blk *init_fw_cb) 2224f8e93412SHarish Zunjarrao { 2225f8e93412SHarish Zunjarrao switch (iface_param->param) { 2226f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 2227f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2228f8e93412SHarish Zunjarrao break; 2229f8e93412SHarish Zunjarrao init_fw_cb->def_timeout = 2230f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2231f8e93412SHarish Zunjarrao break; 2232f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 2233f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2234f8e93412SHarish Zunjarrao break; 2235f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2236f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2237f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); 2238f8e93412SHarish Zunjarrao else 2239f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2240f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); 2241f8e93412SHarish Zunjarrao break; 2242f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 2243f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2244f8e93412SHarish Zunjarrao break; 2245f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2246f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2247f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); 2248f8e93412SHarish Zunjarrao else 2249f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2250f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); 2251f8e93412SHarish Zunjarrao break; 2252f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 2253f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2254f8e93412SHarish Zunjarrao break; 2255f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2256f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2257f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); 2258f8e93412SHarish Zunjarrao else 2259f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2260f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); 2261f8e93412SHarish Zunjarrao break; 2262f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 2263f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2264f8e93412SHarish Zunjarrao break; 2265f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2266f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2267f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); 2268f8e93412SHarish Zunjarrao else 2269f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2270f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); 2271f8e93412SHarish Zunjarrao break; 2272f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 2273f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2274f8e93412SHarish Zunjarrao break; 2275f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2276f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2277f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); 2278f8e93412SHarish Zunjarrao else 2279f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2280f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); 2281f8e93412SHarish Zunjarrao break; 2282f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 2283f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2284f8e93412SHarish Zunjarrao break; 2285f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2286f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2287f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); 2288f8e93412SHarish Zunjarrao else 2289f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2290f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); 2291f8e93412SHarish Zunjarrao break; 2292f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 2293f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2294f8e93412SHarish Zunjarrao break; 2295f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); 2296f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & 2297f8e93412SHarish Zunjarrao ISCSIOPTS_ERL); 2298f8e93412SHarish Zunjarrao break; 2299f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 2300f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2301f8e93412SHarish Zunjarrao break; 2302f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_pdu_size = 2303f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2304f8e93412SHarish Zunjarrao BYTE_UNITS; 2305f8e93412SHarish Zunjarrao break; 2306f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 2307f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2308f8e93412SHarish Zunjarrao break; 2309f8e93412SHarish Zunjarrao init_fw_cb->iscsi_fburst_len = 2310f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2311f8e93412SHarish Zunjarrao BYTE_UNITS; 2312f8e93412SHarish Zunjarrao break; 2313f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 2314f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2315f8e93412SHarish Zunjarrao break; 2316f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_outstnd_r2t = 2317f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2318f8e93412SHarish Zunjarrao break; 2319f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 2320f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2321f8e93412SHarish Zunjarrao break; 2322f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_burst_len = 2323f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2324f8e93412SHarish Zunjarrao BYTE_UNITS; 2325f8e93412SHarish Zunjarrao break; 2326f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 2327f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2328f8e93412SHarish Zunjarrao break; 2329f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2330f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2331f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); 2332f8e93412SHarish Zunjarrao else 2333f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2334f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); 2335f8e93412SHarish Zunjarrao break; 2336f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 2337f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2338f8e93412SHarish Zunjarrao break; 2339f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2340f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2341f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); 2342f8e93412SHarish Zunjarrao else 2343f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2344f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); 2345f8e93412SHarish Zunjarrao break; 2346f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 2347f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2348f8e93412SHarish Zunjarrao break; 2349f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2350f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2351f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); 2352f8e93412SHarish Zunjarrao else 2353f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2354f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); 2355f8e93412SHarish Zunjarrao break; 2356f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 2357f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2358f8e93412SHarish Zunjarrao break; 2359f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2360f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2361f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2362f8e93412SHarish Zunjarrao else 2363f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2364f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2365f8e93412SHarish Zunjarrao break; 2366f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 2367f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2368f8e93412SHarish Zunjarrao break; 2369f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2370f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2371f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2372f8e93412SHarish Zunjarrao else 2373f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2374f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2375f8e93412SHarish Zunjarrao break; 2376f8e93412SHarish Zunjarrao default: 2377f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", 2378f8e93412SHarish Zunjarrao iface_param->param); 2379f8e93412SHarish Zunjarrao break; 2380f8e93412SHarish Zunjarrao } 2381f8e93412SHarish Zunjarrao } 2382f8e93412SHarish Zunjarrao 2383d00efe3fSMike Christie static void 2384d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 2385d00efe3fSMike Christie { 2386d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 2387d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 2388d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 2389d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 2390d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 2391d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 2392d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 2393d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 2394d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 2395d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 2396d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 2397d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 2398d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 2399d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 2400d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 2401d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 2402d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 2403d00efe3fSMike Christie } 2404d00efe3fSMike Christie 2405d00efe3fSMike Christie static int 240600c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 2407d00efe3fSMike Christie { 2408d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 2409d00efe3fSMike Christie int rval = 0; 2410d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 2411d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 2412d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 2413d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 2414d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 241500c31889SMike Christie uint32_t rem = len; 241600c31889SMike Christie struct nlattr *attr; 2417d00efe3fSMike Christie 2418d00efe3fSMike Christie init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 2419d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2420d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 2421d00efe3fSMike Christie if (!init_fw_cb) { 2422d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 2423d00efe3fSMike Christie __func__); 2424d00efe3fSMike Christie return -ENOMEM; 2425d00efe3fSMike Christie } 2426d00efe3fSMike Christie 2427d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2428d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2429d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 2430d00efe3fSMike Christie 2431d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 2432d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 2433d00efe3fSMike Christie rval = -EIO; 2434d00efe3fSMike Christie goto exit_init_fw_cb; 2435d00efe3fSMike Christie } 2436d00efe3fSMike Christie 243700c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 243800c31889SMike Christie iface_param = nla_data(attr); 2439d00efe3fSMike Christie 2440f8e93412SHarish Zunjarrao if (iface_param->param_type == ISCSI_NET_PARAM) { 2441d00efe3fSMike Christie switch (iface_param->iface_type) { 2442d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 2443d00efe3fSMike Christie switch (iface_param->iface_num) { 2444d00efe3fSMike Christie case 0: 2445f8e93412SHarish Zunjarrao qla4xxx_set_ipv4(ha, iface_param, 2446f8e93412SHarish Zunjarrao init_fw_cb); 2447d00efe3fSMike Christie break; 2448d00efe3fSMike Christie default: 2449d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 2450f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2451f8e93412SHarish Zunjarrao "Invalid IPv4 iface number = %d\n", 2452d00efe3fSMike Christie iface_param->iface_num); 2453d00efe3fSMike Christie break; 2454d00efe3fSMike Christie } 2455d00efe3fSMike Christie break; 2456d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 2457d00efe3fSMike Christie switch (iface_param->iface_num) { 2458d00efe3fSMike Christie case 0: 2459d00efe3fSMike Christie case 1: 2460f8e93412SHarish Zunjarrao qla4xxx_set_ipv6(ha, iface_param, 2461f8e93412SHarish Zunjarrao init_fw_cb); 2462d00efe3fSMike Christie break; 2463d00efe3fSMike Christie default: 2464d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 2465f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2466f8e93412SHarish Zunjarrao "Invalid IPv6 iface number = %d\n", 2467d00efe3fSMike Christie iface_param->iface_num); 2468d00efe3fSMike Christie break; 2469d00efe3fSMike Christie } 2470d00efe3fSMike Christie break; 2471d00efe3fSMike Christie default: 2472f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2473f8e93412SHarish Zunjarrao "Invalid iface type\n"); 2474d00efe3fSMike Christie break; 2475d00efe3fSMike Christie } 2476f8e93412SHarish Zunjarrao } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { 2477f8e93412SHarish Zunjarrao qla4xxx_set_iscsi_param(ha, iface_param, 2478f8e93412SHarish Zunjarrao init_fw_cb); 2479f8e93412SHarish Zunjarrao } else { 2480f8e93412SHarish Zunjarrao continue; 2481f8e93412SHarish Zunjarrao } 2482d00efe3fSMike Christie } 2483d00efe3fSMike Christie 2484d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 2485d00efe3fSMike Christie 2486d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 2487d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2488d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 2489d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2490d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 2491d00efe3fSMike Christie __func__); 2492d00efe3fSMike Christie rval = -EIO; 2493d00efe3fSMike Christie goto exit_init_fw_cb; 2494d00efe3fSMike Christie } 2495d00efe3fSMike Christie 2496ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 2497ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 2498ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 2499ce505f9dSVikas Chaudhary __func__); 2500ce505f9dSVikas Chaudhary rval = -EIO; 2501ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 2502ce505f9dSVikas Chaudhary } 2503ce505f9dSVikas Chaudhary 2504ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 2505ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 2506d00efe3fSMike Christie 2507d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 2508d00efe3fSMike Christie 2509d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 2510d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2511d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 2512d00efe3fSMike Christie __func__); 2513d00efe3fSMike Christie rval = -EIO; 2514d00efe3fSMike Christie goto exit_init_fw_cb; 2515d00efe3fSMike Christie } 2516d00efe3fSMike Christie 2517d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2518d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 2519d00efe3fSMike Christie init_fw_cb_dma); 2520d00efe3fSMike Christie 2521d00efe3fSMike Christie exit_init_fw_cb: 2522d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 2523d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 2524d00efe3fSMike Christie 2525d00efe3fSMike Christie return rval; 2526d00efe3fSMike Christie } 2527d00efe3fSMike Christie 2528fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 2529fca9f04dSMike Christie enum iscsi_param param, char *buf) 2530fca9f04dSMike Christie { 2531fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 2532fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 2533fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 253497c2730cSAdheer Chandravanshi struct iscsi_cls_conn *cls_conn = ddb_entry->conn; 253597c2730cSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 2536fca9f04dSMike Christie int rval, len; 2537fca9f04dSMike Christie uint16_t idx; 2538fca9f04dSMike Christie 253997c2730cSAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 2540fca9f04dSMike Christie switch (param) { 2541fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 2542fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 2543fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 2544fca9f04dSMike Christie &idx); 2545fca9f04dSMike Christie if (rval) 2546c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2547c7a5e0d0SManish Rangankar else 2548fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2549fca9f04dSMike Christie break; 2550fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 255197c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB) { 255297c2730cSAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 255397c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 255497c2730cSAdheer Chandravanshi rval = QLA_SUCCESS; 255597c2730cSAdheer Chandravanshi } else { 255697c2730cSAdheer Chandravanshi rval = QLA_ERROR; 255797c2730cSAdheer Chandravanshi } 255897c2730cSAdheer Chandravanshi } else { 2559fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 256097c2730cSAdheer Chandravanshi sess->password, 256197c2730cSAdheer Chandravanshi LOCAL_CHAP, &idx); 256297c2730cSAdheer Chandravanshi } 2563fca9f04dSMike Christie if (rval) 2564c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2565c7a5e0d0SManish Rangankar else 2566fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2567fca9f04dSMike Christie break; 256897c2730cSAdheer Chandravanshi case ISCSI_PARAM_USERNAME: 256997c2730cSAdheer Chandravanshi case ISCSI_PARAM_PASSWORD: 257097c2730cSAdheer Chandravanshi /* First, populate session username and password for FLASH DDB, 257197c2730cSAdheer Chandravanshi * if not already done. This happens when session login fails 257297c2730cSAdheer Chandravanshi * for a FLASH DDB. 257397c2730cSAdheer Chandravanshi */ 257497c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB && 257597c2730cSAdheer Chandravanshi ddb_entry->chap_tbl_idx != INVALID_ENTRY && 257697c2730cSAdheer Chandravanshi !sess->username && !sess->password) { 257797c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 257897c2730cSAdheer Chandravanshi rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 257997c2730cSAdheer Chandravanshi chap_tbl.secret, 258097c2730cSAdheer Chandravanshi idx); 258197c2730cSAdheer Chandravanshi if (!rval) { 258297c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 258397c2730cSAdheer Chandravanshi (char *)chap_tbl.name, 258497c2730cSAdheer Chandravanshi strlen((char *)chap_tbl.name)); 258597c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 258697c2730cSAdheer Chandravanshi (char *)chap_tbl.secret, 258797c2730cSAdheer Chandravanshi chap_tbl.secret_len); 258897c2730cSAdheer Chandravanshi } 258997c2730cSAdheer Chandravanshi } 259097c2730cSAdheer Chandravanshi /* allow fall-through */ 2591fca9f04dSMike Christie default: 2592fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 2593fca9f04dSMike Christie } 2594fca9f04dSMike Christie 2595fca9f04dSMike Christie return len; 2596fca9f04dSMike Christie } 2597fca9f04dSMike Christie 2598b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 2599afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 2600afaf5a2dSDavid Somayajulu { 2601b3a271a9SManish Rangankar struct iscsi_conn *conn; 2602b3a271a9SManish Rangankar struct qla_conn *qla_conn; 2603b3a271a9SManish Rangankar struct sockaddr *dst_addr; 2604b3a271a9SManish Rangankar int len = 0; 2605afaf5a2dSDavid Somayajulu 2606b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2607b3a271a9SManish Rangankar qla_conn = conn->dd_data; 2608d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2609afaf5a2dSDavid Somayajulu 2610afaf5a2dSDavid Somayajulu switch (param) { 2611afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 2612afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 2613b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 2614b3a271a9SManish Rangankar dst_addr, param, buf); 2615afaf5a2dSDavid Somayajulu default: 2616b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 2617afaf5a2dSDavid Somayajulu } 2618afaf5a2dSDavid Somayajulu 2619afaf5a2dSDavid Somayajulu return len; 2620b3a271a9SManish Rangankar 2621afaf5a2dSDavid Somayajulu } 2622afaf5a2dSDavid Somayajulu 262313483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 262413483730SMike Christie { 262513483730SMike Christie uint32_t mbx_sts = 0; 262613483730SMike Christie uint16_t tmp_ddb_index; 262713483730SMike Christie int ret; 262813483730SMike Christie 262913483730SMike Christie get_ddb_index: 263013483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 263113483730SMike Christie 263213483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 263313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 263413483730SMike Christie "Free DDB index not available\n")); 263513483730SMike Christie ret = QLA_ERROR; 263613483730SMike Christie goto exit_get_ddb_index; 263713483730SMike Christie } 263813483730SMike Christie 263913483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 264013483730SMike Christie goto get_ddb_index; 264113483730SMike Christie 264213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 264313483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 264413483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 264513483730SMike Christie if (ret == QLA_ERROR) { 264613483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 264713483730SMike Christie ql4_printk(KERN_INFO, ha, 264813483730SMike Christie "DDB index = %d not available trying next\n", 264913483730SMike Christie tmp_ddb_index); 265013483730SMike Christie goto get_ddb_index; 265113483730SMike Christie } 265213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 265313483730SMike Christie "Free FW DDB not available\n")); 265413483730SMike Christie } 265513483730SMike Christie 265613483730SMike Christie *ddb_index = tmp_ddb_index; 265713483730SMike Christie 265813483730SMike Christie exit_get_ddb_index: 265913483730SMike Christie return ret; 266013483730SMike Christie } 266113483730SMike Christie 266213483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 266313483730SMike Christie struct ddb_entry *ddb_entry, 266413483730SMike Christie char *existing_ipaddr, 266513483730SMike Christie char *user_ipaddr) 266613483730SMike Christie { 266713483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 266813483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 266913483730SMike Christie int status = QLA_SUCCESS, ret = 0; 267013483730SMike Christie 267113483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 267213483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 267313483730SMike Christie '\0', NULL); 267413483730SMike Christie if (ret == 0) { 267513483730SMike Christie status = QLA_ERROR; 267613483730SMike Christie goto out_match; 267713483730SMike Christie } 267813483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 267913483730SMike Christie } else { 268013483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 268113483730SMike Christie '\0', NULL); 268213483730SMike Christie if (ret == 0) { 268313483730SMike Christie status = QLA_ERROR; 268413483730SMike Christie goto out_match; 268513483730SMike Christie } 268613483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 268713483730SMike Christie } 268813483730SMike Christie 268913483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 269013483730SMike Christie status = QLA_ERROR; 269113483730SMike Christie 269213483730SMike Christie out_match: 269313483730SMike Christie return status; 269413483730SMike Christie } 269513483730SMike Christie 269613483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 269713483730SMike Christie struct iscsi_cls_conn *cls_conn) 269813483730SMike Christie { 269913483730SMike Christie int idx = 0, max_ddbs, rval; 270013483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 270113483730SMike Christie struct iscsi_session *sess, *existing_sess; 270213483730SMike Christie struct iscsi_conn *conn, *existing_conn; 270313483730SMike Christie struct ddb_entry *ddb_entry; 270413483730SMike Christie 270513483730SMike Christie sess = cls_sess->dd_data; 270613483730SMike Christie conn = cls_conn->dd_data; 270713483730SMike Christie 270813483730SMike Christie if (sess->targetname == NULL || 270913483730SMike Christie conn->persistent_address == NULL || 271013483730SMike Christie conn->persistent_port == 0) 271113483730SMike Christie return QLA_ERROR; 271213483730SMike Christie 271313483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 271413483730SMike Christie MAX_DEV_DB_ENTRIES; 271513483730SMike Christie 271613483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 271713483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 271813483730SMike Christie if (ddb_entry == NULL) 271913483730SMike Christie continue; 272013483730SMike Christie 272113483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 272213483730SMike Christie continue; 272313483730SMike Christie 272413483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 272513483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 272613483730SMike Christie 272713483730SMike Christie if (existing_sess->targetname == NULL || 272813483730SMike Christie existing_conn->persistent_address == NULL || 272913483730SMike Christie existing_conn->persistent_port == 0) 273013483730SMike Christie continue; 273113483730SMike Christie 273213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 273313483730SMike Christie "IQN = %s User IQN = %s\n", 273413483730SMike Christie existing_sess->targetname, 273513483730SMike Christie sess->targetname)); 273613483730SMike Christie 273713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 273813483730SMike Christie "IP = %s User IP = %s\n", 273913483730SMike Christie existing_conn->persistent_address, 274013483730SMike Christie conn->persistent_address)); 274113483730SMike Christie 274213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 274313483730SMike Christie "Port = %d User Port = %d\n", 274413483730SMike Christie existing_conn->persistent_port, 274513483730SMike Christie conn->persistent_port)); 274613483730SMike Christie 274713483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 274813483730SMike Christie continue; 274913483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 275013483730SMike Christie existing_conn->persistent_address, 275113483730SMike Christie conn->persistent_address); 275213483730SMike Christie if (rval == QLA_ERROR) 275313483730SMike Christie continue; 275413483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 275513483730SMike Christie continue; 275613483730SMike Christie break; 275713483730SMike Christie } 275813483730SMike Christie 275913483730SMike Christie if (idx == max_ddbs) 276013483730SMike Christie return QLA_ERROR; 276113483730SMike Christie 276213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 276313483730SMike Christie "Match found in fwdb sessions\n")); 276413483730SMike Christie return QLA_SUCCESS; 276513483730SMike Christie } 276613483730SMike Christie 2767b3a271a9SManish Rangankar static struct iscsi_cls_session * 2768b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 2769b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 2770b3a271a9SManish Rangankar uint32_t initial_cmdsn) 2771b3a271a9SManish Rangankar { 2772b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 2773b3a271a9SManish Rangankar struct scsi_qla_host *ha; 2774b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 2775b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 277613483730SMike Christie uint16_t ddb_index; 2777b3a271a9SManish Rangankar struct iscsi_session *sess; 2778b3a271a9SManish Rangankar struct sockaddr *dst_addr; 2779b3a271a9SManish Rangankar int ret; 2780b3a271a9SManish Rangankar 2781b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 2782b3a271a9SManish Rangankar if (!ep) { 2783b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 2784b3a271a9SManish Rangankar return NULL; 2785b3a271a9SManish Rangankar } 2786b3a271a9SManish Rangankar 2787b3a271a9SManish Rangankar qla_ep = ep->dd_data; 2788b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 2789b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 2790736cf369SManish Rangankar 279113483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 279213483730SMike Christie if (ret == QLA_ERROR) 2793b3a271a9SManish Rangankar return NULL; 2794b3a271a9SManish Rangankar 2795b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 2796b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 2797b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 2798b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 2799b3a271a9SManish Rangankar if (!cls_sess) 2800b3a271a9SManish Rangankar return NULL; 2801b3a271a9SManish Rangankar 2802b3a271a9SManish Rangankar sess = cls_sess->dd_data; 2803b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 2804b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 2805b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 2806b3a271a9SManish Rangankar ddb_entry->ha = ha; 2807b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 280813483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 280913483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 2810b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 2811b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 2812b3a271a9SManish Rangankar ha->tot_ddbs++; 2813b3a271a9SManish Rangankar 2814b3a271a9SManish Rangankar return cls_sess; 2815b3a271a9SManish Rangankar } 2816b3a271a9SManish Rangankar 2817b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 2818b3a271a9SManish Rangankar { 2819b3a271a9SManish Rangankar struct iscsi_session *sess; 2820b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 2821b3a271a9SManish Rangankar struct scsi_qla_host *ha; 282290599b62SManish Rangankar unsigned long flags, wtime; 282390599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 282490599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 282590599b62SManish Rangankar uint32_t ddb_state; 282690599b62SManish Rangankar int ret; 2827b3a271a9SManish Rangankar 2828b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 2829b3a271a9SManish Rangankar sess = cls_sess->dd_data; 2830b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 2831b3a271a9SManish Rangankar ha = ddb_entry->ha; 2832b3a271a9SManish Rangankar 283390599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 283490599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 283590599b62SManish Rangankar if (!fw_ddb_entry) { 283690599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 283790599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 283890599b62SManish Rangankar goto destroy_session; 283990599b62SManish Rangankar } 284090599b62SManish Rangankar 284190599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 284290599b62SManish Rangankar do { 284390599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 284490599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 284590599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 284690599b62SManish Rangankar NULL, NULL); 284790599b62SManish Rangankar if (ret == QLA_ERROR) 284890599b62SManish Rangankar goto destroy_session; 284990599b62SManish Rangankar 285090599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 285190599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 285290599b62SManish Rangankar goto destroy_session; 285390599b62SManish Rangankar 285490599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 285590599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 285690599b62SManish Rangankar 285790599b62SManish Rangankar destroy_session: 2858736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 2859736cf369SManish Rangankar 2860b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 2861b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 2862b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 286390599b62SManish Rangankar 2864b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 286590599b62SManish Rangankar 286690599b62SManish Rangankar if (fw_ddb_entry) 286790599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 286890599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 2869b3a271a9SManish Rangankar } 2870b3a271a9SManish Rangankar 2871b3a271a9SManish Rangankar static struct iscsi_cls_conn * 2872b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 2873b3a271a9SManish Rangankar { 2874b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 2875b3a271a9SManish Rangankar struct iscsi_session *sess; 2876b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 2877b3a271a9SManish Rangankar 2878b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 2879b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 2880b3a271a9SManish Rangankar conn_idx); 2881ff1d0319SMike Christie if (!cls_conn) 2882ff1d0319SMike Christie return NULL; 2883ff1d0319SMike Christie 2884b3a271a9SManish Rangankar sess = cls_sess->dd_data; 2885b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 2886b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 2887b3a271a9SManish Rangankar 2888b3a271a9SManish Rangankar return cls_conn; 2889b3a271a9SManish Rangankar } 2890b3a271a9SManish Rangankar 2891b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 2892b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 2893b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 2894b3a271a9SManish Rangankar { 2895b3a271a9SManish Rangankar struct iscsi_conn *conn; 2896b3a271a9SManish Rangankar struct qla_conn *qla_conn; 2897b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 2898b3a271a9SManish Rangankar 2899b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 2900b3a271a9SManish Rangankar 2901b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 2902b3a271a9SManish Rangankar return -EINVAL; 2903b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 2904b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2905b3a271a9SManish Rangankar qla_conn = conn->dd_data; 2906b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 2907b3a271a9SManish Rangankar return 0; 2908b3a271a9SManish Rangankar } 2909b3a271a9SManish Rangankar 2910b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 2911b3a271a9SManish Rangankar { 2912b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 2913b3a271a9SManish Rangankar struct iscsi_session *sess; 2914b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 2915b3a271a9SManish Rangankar struct scsi_qla_host *ha; 291613483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 2917b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 2918b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 2919b3a271a9SManish Rangankar int ret = 0; 2920b3a271a9SManish Rangankar int status = QLA_SUCCESS; 2921b3a271a9SManish Rangankar 2922b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 2923b3a271a9SManish Rangankar sess = cls_sess->dd_data; 2924b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 2925b3a271a9SManish Rangankar ha = ddb_entry->ha; 2926b3a271a9SManish Rangankar 292713483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 292813483730SMike Christie * login to this target. This could cause target to logout previous 292913483730SMike Christie * connection 293013483730SMike Christie */ 293113483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 293213483730SMike Christie if (ret == QLA_SUCCESS) { 293313483730SMike Christie ql4_printk(KERN_INFO, ha, 293413483730SMike Christie "Session already exist in FW.\n"); 293513483730SMike Christie ret = -EEXIST; 293613483730SMike Christie goto exit_conn_start; 293713483730SMike Christie } 293813483730SMike Christie 2939b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 2940b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 2941b3a271a9SManish Rangankar if (!fw_ddb_entry) { 2942b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 2943b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 294413483730SMike Christie ret = -ENOMEM; 294513483730SMike Christie goto exit_conn_start; 2946b3a271a9SManish Rangankar } 2947b3a271a9SManish Rangankar 2948b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 2949b3a271a9SManish Rangankar if (ret) { 2950b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 2951b3a271a9SManish Rangankar * set param again since ddb state will be already 2952b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 2953b3a271a9SManish Rangankar * active session. 2954b3a271a9SManish Rangankar */ 2955b3a271a9SManish Rangankar if (mbx_sts) 2956b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 2957f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 295813483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 2959b3a271a9SManish Rangankar goto exit_set_param; 2960f922da79SManish Rangankar } 2961b3a271a9SManish Rangankar 2962b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 2963b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 2964b3a271a9SManish Rangankar goto exit_conn_start; 2965b3a271a9SManish Rangankar } 2966b3a271a9SManish Rangankar 2967b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 2968b3a271a9SManish Rangankar if (status == QLA_ERROR) { 29690e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 29700e7e8501SManish Rangankar sess->targetname); 2971b3a271a9SManish Rangankar ret = -EINVAL; 2972b3a271a9SManish Rangankar goto exit_conn_start; 2973b3a271a9SManish Rangankar } 2974b3a271a9SManish Rangankar 297598270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 2976b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 2977b3a271a9SManish Rangankar 297898270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 297998270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 298098270ab4SManish Rangankar 2981b3a271a9SManish Rangankar exit_set_param: 2982b3a271a9SManish Rangankar ret = 0; 2983b3a271a9SManish Rangankar 2984b3a271a9SManish Rangankar exit_conn_start: 298513483730SMike Christie if (fw_ddb_entry) 2986b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 2987b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 2988b3a271a9SManish Rangankar return ret; 2989b3a271a9SManish Rangankar } 2990b3a271a9SManish Rangankar 2991b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 2992b3a271a9SManish Rangankar { 2993b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 2994b3a271a9SManish Rangankar struct iscsi_session *sess; 2995b3a271a9SManish Rangankar struct scsi_qla_host *ha; 2996b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 2997b3a271a9SManish Rangankar int options; 2998b3a271a9SManish Rangankar 2999b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 3000b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3001b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3002b3a271a9SManish Rangankar ha = ddb_entry->ha; 3003b3a271a9SManish Rangankar 3004b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 3005b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 3006b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 3007b3a271a9SManish Rangankar } 3008b3a271a9SManish Rangankar 3009b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 3010b3a271a9SManish Rangankar { 3011b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3012b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3013b3a271a9SManish Rangankar struct passthru_status *sts; 3014b3a271a9SManish Rangankar struct iscsi_task *task; 3015b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 3016b3a271a9SManish Rangankar uint8_t *data; 3017b3a271a9SManish Rangankar uint32_t data_len; 3018b3a271a9SManish Rangankar struct iscsi_conn *conn; 3019b3a271a9SManish Rangankar int hdr_len; 3020b3a271a9SManish Rangankar itt_t itt; 3021b3a271a9SManish Rangankar 3022b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 3023b3a271a9SManish Rangankar ha = task_data->ha; 3024b3a271a9SManish Rangankar task = task_data->task; 3025b3a271a9SManish Rangankar sts = &task_data->sts; 3026b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3027b3a271a9SManish Rangankar 3028b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 3029b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 3030b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 3031b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 3032b3a271a9SManish Rangankar 3033b3a271a9SManish Rangankar conn = task->conn; 3034b3a271a9SManish Rangankar 3035b3a271a9SManish Rangankar switch (sts->completionStatus) { 3036b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 3037b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 3038b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 3039b3a271a9SManish Rangankar itt = sts->handle; 3040b3a271a9SManish Rangankar hdr->itt = itt; 3041b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 3042b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 3043b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 3044b3a271a9SManish Rangankar break; 3045b3a271a9SManish Rangankar default: 3046b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 3047b3a271a9SManish Rangankar sts->completionStatus); 3048b3a271a9SManish Rangankar break; 3049b3a271a9SManish Rangankar } 3050b3a271a9SManish Rangankar return; 3051b3a271a9SManish Rangankar } 3052b3a271a9SManish Rangankar 3053b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 3054b3a271a9SManish Rangankar { 3055b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3056b3a271a9SManish Rangankar struct iscsi_session *sess; 3057b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3058b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3059b3a271a9SManish Rangankar int hdr_len; 3060b3a271a9SManish Rangankar 3061b3a271a9SManish Rangankar sess = task->conn->session; 3062b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3063b3a271a9SManish Rangankar ha = ddb_entry->ha; 3064b3a271a9SManish Rangankar task_data = task->dd_data; 3065b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 3066b3a271a9SManish Rangankar 3067b3a271a9SManish Rangankar if (task->sc) { 3068b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 3069b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 3070b3a271a9SManish Rangankar return -EINVAL; 3071b3a271a9SManish Rangankar } 3072b3a271a9SManish Rangankar 3073b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3074b3a271a9SManish Rangankar task_data->ha = ha; 3075b3a271a9SManish Rangankar task_data->task = task; 3076b3a271a9SManish Rangankar 3077b3a271a9SManish Rangankar if (task->data_count) { 3078b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 3079b3a271a9SManish Rangankar task->data_count, 3080b3a271a9SManish Rangankar PCI_DMA_TODEVICE); 3081b3a271a9SManish Rangankar } 3082b3a271a9SManish Rangankar 3083b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3084b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3085b3a271a9SManish Rangankar 308669ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 3087b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 3088b3a271a9SManish Rangankar task_data->resp_len, 3089b3a271a9SManish Rangankar &task_data->resp_dma, 3090b3a271a9SManish Rangankar GFP_ATOMIC); 3091b3a271a9SManish Rangankar if (!task_data->resp_buffer) 3092b3a271a9SManish Rangankar goto exit_alloc_pdu; 3093b3a271a9SManish Rangankar 309469ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 3095b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 309669ca216eSManish Rangankar task_data->req_len, 3097b3a271a9SManish Rangankar &task_data->req_dma, 3098b3a271a9SManish Rangankar GFP_ATOMIC); 3099b3a271a9SManish Rangankar if (!task_data->req_buffer) 3100b3a271a9SManish Rangankar goto exit_alloc_pdu; 3101b3a271a9SManish Rangankar 3102b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 3103b3a271a9SManish Rangankar 3104b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 3105b3a271a9SManish Rangankar 3106b3a271a9SManish Rangankar return 0; 3107b3a271a9SManish Rangankar 3108b3a271a9SManish Rangankar exit_alloc_pdu: 3109b3a271a9SManish Rangankar if (task_data->resp_buffer) 3110b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3111b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 3112b3a271a9SManish Rangankar 3113b3a271a9SManish Rangankar if (task_data->req_buffer) 311469ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3115b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3116b3a271a9SManish Rangankar return -ENOMEM; 3117b3a271a9SManish Rangankar } 3118b3a271a9SManish Rangankar 3119b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 3120b3a271a9SManish Rangankar { 3121b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3122b3a271a9SManish Rangankar struct iscsi_session *sess; 3123b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3124b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3125b3a271a9SManish Rangankar int hdr_len; 3126b3a271a9SManish Rangankar 3127b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3128b3a271a9SManish Rangankar sess = task->conn->session; 3129b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3130b3a271a9SManish Rangankar ha = ddb_entry->ha; 3131b3a271a9SManish Rangankar task_data = task->dd_data; 3132b3a271a9SManish Rangankar 3133b3a271a9SManish Rangankar if (task->data_count) { 3134b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 3135b3a271a9SManish Rangankar task->data_count, PCI_DMA_TODEVICE); 3136b3a271a9SManish Rangankar } 3137b3a271a9SManish Rangankar 3138b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3139b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3140b3a271a9SManish Rangankar 3141b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3142b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 314369ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3144b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3145b3a271a9SManish Rangankar return; 3146b3a271a9SManish Rangankar } 3147b3a271a9SManish Rangankar 3148b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 3149b3a271a9SManish Rangankar { 3150b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 3151b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 3152b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 3153b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 3154b3a271a9SManish Rangankar 3155b3a271a9SManish Rangankar if (!sc) 3156b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 3157b3a271a9SManish Rangankar 3158b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 3159b3a271a9SManish Rangankar __func__); 3160b3a271a9SManish Rangankar return -ENOSYS; 3161b3a271a9SManish Rangankar } 3162b3a271a9SManish Rangankar 31631e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 31641e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 31651e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 31661e9e2be3SAdheer Chandravanshi { 31671e9e2be3SAdheer Chandravanshi unsigned long options = 0; 31681e9e2be3SAdheer Chandravanshi int rc = 0; 31691e9e2be3SAdheer Chandravanshi 31701e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 31711e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 31721e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 3173c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3174c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV6); 31751e9e2be3SAdheer Chandravanshi if (rc) 31761e9e2be3SAdheer Chandravanshi goto exit_copy; 31771e9e2be3SAdheer Chandravanshi } else { 3178c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3179c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV4); 31801e9e2be3SAdheer Chandravanshi if (rc) 31811e9e2be3SAdheer Chandravanshi goto exit_copy; 31821e9e2be3SAdheer Chandravanshi } 31831e9e2be3SAdheer Chandravanshi 31841e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 31851e9e2be3SAdheer Chandravanshi &options); 31861e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 31871e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 31881e9e2be3SAdheer Chandravanshi 31891e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 31901e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 31911e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 31921e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 31931e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 31941e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 31951e9e2be3SAdheer Chandravanshi &options); 31961e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 31971e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 31981e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 31991e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 32001e9e2be3SAdheer Chandravanshi &options); 32011e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 32021e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 32031e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 32041e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 32051e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 32061e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 32071e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 32081e9e2be3SAdheer Chandravanshi 32091e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 32101e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 32111e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 32121e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 32131e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 32141e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 32151e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 32161e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 32171e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 32181e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 32191e9e2be3SAdheer Chandravanshi 32201e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 32211e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 32221e9e2be3SAdheer Chandravanshi 32231e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 32241e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 32251e9e2be3SAdheer Chandravanshi 32261e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 32271e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 32281e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 32291e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 32301e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 32311e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 32321e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 32331e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 32341e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 32351e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 32361e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 32371e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 32381e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 32391e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 32401e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 32411e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 32421e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 32431e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 32441e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 32451e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 32461e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 32471e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 32481e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 32491e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 32501e9e2be3SAdheer Chandravanshi 32511e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 32521e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 32531e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 32541e9e2be3SAdheer Chandravanshi 32551e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 32561e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 32571e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 32581e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 32591e9e2be3SAdheer Chandravanshi goto exit_copy; 32601e9e2be3SAdheer Chandravanshi } 32611e9e2be3SAdheer Chandravanshi 32621e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 32631e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 32641e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 32651e9e2be3SAdheer Chandravanshi goto exit_copy; 32661e9e2be3SAdheer Chandravanshi } 32671e9e2be3SAdheer Chandravanshi 32681e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 32691e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 32701e9e2be3SAdheer Chandravanshi 32711e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 32721e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 32731e9e2be3SAdheer Chandravanshi 32741e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 32751e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 32761e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 32771e9e2be3SAdheer Chandravanshi goto exit_copy; 32781e9e2be3SAdheer Chandravanshi } 32791e9e2be3SAdheer Chandravanshi 32801e9e2be3SAdheer Chandravanshi memcpy(conn->link_local_ipv6_addr, 32811e9e2be3SAdheer Chandravanshi fw_ddb_entry->link_local_ipv6_addr, IPv6_ADDR_LEN); 32821e9e2be3SAdheer Chandravanshi } else { 32831e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 32841e9e2be3SAdheer Chandravanshi } 32851e9e2be3SAdheer Chandravanshi 32861e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 32871e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 32881e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 32891e9e2be3SAdheer Chandravanshi if (rc) 32901e9e2be3SAdheer Chandravanshi goto exit_copy; 32911e9e2be3SAdheer Chandravanshi } 32921e9e2be3SAdheer Chandravanshi 32931e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 32941e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 32951e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 32961e9e2be3SAdheer Chandravanshi if (rc) 32971e9e2be3SAdheer Chandravanshi goto exit_copy; 32981e9e2be3SAdheer Chandravanshi } 32991e9e2be3SAdheer Chandravanshi 33001e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 33011e9e2be3SAdheer Chandravanshi 33021e9e2be3SAdheer Chandravanshi exit_copy: 33031e9e2be3SAdheer Chandravanshi return rc; 33041e9e2be3SAdheer Chandravanshi } 33051e9e2be3SAdheer Chandravanshi 33061e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 33071e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 33081e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 33091e9e2be3SAdheer Chandravanshi { 33101e9e2be3SAdheer Chandravanshi uint16_t options; 33111e9e2be3SAdheer Chandravanshi int rc = 0; 33121e9e2be3SAdheer Chandravanshi 33131e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 33141e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 3315c962c18bSAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 33161e9e2be3SAdheer Chandravanshi options |= BIT_8; 33171e9e2be3SAdheer Chandravanshi else 33181e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 33191e9e2be3SAdheer Chandravanshi 33201e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 33211e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 33221e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 33231e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 33241e9e2be3SAdheer Chandravanshi 33251e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 33261e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 33271e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 33281e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 33291e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 33301e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 33311e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 33321e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 33331e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 33341e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 33351e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 33361e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 33371e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 33381e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 33391e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 33401e9e2be3SAdheer Chandravanshi 33411e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 33421e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 33431e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 33441e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 33451e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 33461e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 33471e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 33481e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 33491e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 33501e9e2be3SAdheer Chandravanshi 33511e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 33521e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 33531e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 33541e9e2be3SAdheer Chandravanshi 33551e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 33561e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 33571e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 33581e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 33591e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 33601e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 33611e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 33621e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 33631e9e2be3SAdheer Chandravanshi BYTE_UNITS); 33641e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 33651e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 33661e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 33671e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 3368fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); 3369fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); 33701e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 33711e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 33721e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 3373fbcd4836SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); 3374fbcd4836SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); 337565560166SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); 33761e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 33771e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 33781e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 33791e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 33801e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 33811e9e2be3SAdheer Chandravanshi 338284595802SAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 338384595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; 338484595802SAdheer Chandravanshi else 338584595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 338684595802SAdheer Chandravanshi 33871e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 33881e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 33891e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 33901e9e2be3SAdheer Chandravanshi 33911e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 33921e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 33931e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 33941e9e2be3SAdheer Chandravanshi 33951e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 33961e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 33971e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 33981e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 33991e9e2be3SAdheer Chandravanshi 34001e9e2be3SAdheer Chandravanshi if (sess->targetname) 34011e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 34021e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 34031e9e2be3SAdheer Chandravanshi 34041e9e2be3SAdheer Chandravanshi if (sess->targetalias) 34051e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 34061e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 34071e9e2be3SAdheer Chandravanshi 34081e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 34091e9e2be3SAdheer Chandravanshi 34101e9e2be3SAdheer Chandravanshi return rc; 34111e9e2be3SAdheer Chandravanshi } 34121e9e2be3SAdheer Chandravanshi 34138cc91d42SAdheer Chandravanshi static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, 34148cc91d42SAdheer Chandravanshi struct iscsi_session *sess, 34158cc91d42SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 34168cc91d42SAdheer Chandravanshi { 34178cc91d42SAdheer Chandravanshi unsigned long options = 0; 34188cc91d42SAdheer Chandravanshi uint16_t ddb_link; 34198cc91d42SAdheer Chandravanshi uint16_t disc_parent; 34208cc91d42SAdheer Chandravanshi 34218cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 34228cc91d42SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 34238cc91d42SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 34248cc91d42SAdheer Chandravanshi &options); 34258cc91d42SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 34268cc91d42SAdheer Chandravanshi 34278cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 34288cc91d42SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 34298cc91d42SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 34308cc91d42SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 34318cc91d42SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 34328cc91d42SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 34338cc91d42SAdheer Chandravanshi &options); 34348cc91d42SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 34358cc91d42SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 34368cc91d42SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 34378cc91d42SAdheer Chandravanshi &options); 34388cc91d42SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 34398cc91d42SAdheer Chandravanshi sess->discovery_auth_optional = 34408cc91d42SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 34418cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 34428cc91d42SAdheer Chandravanshi sess->erl |= BIT_1; 34438cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 34448cc91d42SAdheer Chandravanshi sess->erl |= BIT_0; 34458cc91d42SAdheer Chandravanshi 34468cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 34478cc91d42SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 34488cc91d42SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 34498cc91d42SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 34508cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 34518cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 34528cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 34538cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 34548cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 34558cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 34568cc91d42SAdheer Chandravanshi 34578cc91d42SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 34588cc91d42SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 34598cc91d42SAdheer Chandravanshi 34608cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 34618cc91d42SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 34628cc91d42SAdheer Chandravanshi 34638cc91d42SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 34648cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 34658cc91d42SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 34668cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 34678cc91d42SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 34688cc91d42SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 34698cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 34708cc91d42SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 34718cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 34728cc91d42SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 34738cc91d42SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 34748cc91d42SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 34758cc91d42SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 34768cc91d42SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 34778cc91d42SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 34788cc91d42SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 34798cc91d42SAdheer Chandravanshi conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); 34808cc91d42SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 34818cc91d42SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 34828cc91d42SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 34838cc91d42SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 34848cc91d42SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 34858cc91d42SAdheer Chandravanshi 34868cc91d42SAdheer Chandravanshi ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 34878cc91d42SAdheer Chandravanshi if (ddb_link == DDB_ISNS) 34888cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_ISNS; 34898cc91d42SAdheer Chandravanshi else if (ddb_link == DDB_NO_LINK) 34908cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 34918cc91d42SAdheer Chandravanshi else if (ddb_link < MAX_DDB_ENTRIES) 34928cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_SENDTGT; 34938cc91d42SAdheer Chandravanshi else 34948cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 34958cc91d42SAdheer Chandravanshi 34968cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 34978cc91d42SAdheer Chandravanshi iscsi_get_discovery_parent_name(disc_parent), 0); 34988cc91d42SAdheer Chandravanshi 34998cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, 35008cc91d42SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias, 0); 35018cc91d42SAdheer Chandravanshi } 35028cc91d42SAdheer Chandravanshi 350313483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 350413483730SMike Christie struct dev_db_entry *fw_ddb_entry, 350513483730SMike Christie struct iscsi_cls_session *cls_sess, 350613483730SMike Christie struct iscsi_cls_conn *cls_conn) 350713483730SMike Christie { 350813483730SMike Christie int buflen = 0; 350913483730SMike Christie struct iscsi_session *sess; 3510376738afSNilesh Javali struct ddb_entry *ddb_entry; 3511946ac571SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 351213483730SMike Christie struct iscsi_conn *conn; 351313483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 351413483730SMike Christie uint16_t options = 0; 351513483730SMike Christie 351613483730SMike Christie sess = cls_sess->dd_data; 3517376738afSNilesh Javali ddb_entry = sess->dd_data; 351813483730SMike Christie conn = cls_conn->dd_data; 3519946ac571SAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 352013483730SMike Christie 3521376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 3522376738afSNilesh Javali 35238cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 352413483730SMike Christie 35258cc91d42SAdheer Chandravanshi sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); 352613483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 352713483730SMike Christie 35288cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 352913483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 35308cc91d42SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 35318cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); 353213483730SMike Christie 35338cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 35348cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 35358cc91d42SAdheer Chandravanshi } else { 35368cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); 35378cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 35388cc91d42SAdheer Chandravanshi } 35398cc91d42SAdheer Chandravanshi 35408cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 35418cc91d42SAdheer Chandravanshi (char *)ip_addr, buflen); 354213483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 354313483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 354413483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 354513483730SMike Christie (char *)ha->name_string, buflen); 3546946ac571SAdheer Chandravanshi 3547946ac571SAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 3548946ac571SAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 3549946ac571SAdheer Chandravanshi chap_tbl.secret, 3550946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx)) { 3551946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 3552946ac571SAdheer Chandravanshi (char *)chap_tbl.name, 3553946ac571SAdheer Chandravanshi strlen((char *)chap_tbl.name)); 3554946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 3555946ac571SAdheer Chandravanshi (char *)chap_tbl.secret, 3556946ac571SAdheer Chandravanshi chap_tbl.secret_len); 3557946ac571SAdheer Chandravanshi } 3558946ac571SAdheer Chandravanshi } 355913483730SMike Christie } 356013483730SMike Christie 356113483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 356213483730SMike Christie struct ddb_entry *ddb_entry) 356313483730SMike Christie { 356413483730SMike Christie struct iscsi_cls_session *cls_sess; 356513483730SMike Christie struct iscsi_cls_conn *cls_conn; 356613483730SMike Christie uint32_t ddb_state; 356713483730SMike Christie dma_addr_t fw_ddb_entry_dma; 356813483730SMike Christie struct dev_db_entry *fw_ddb_entry; 356913483730SMike Christie 357013483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 357113483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 357213483730SMike Christie if (!fw_ddb_entry) { 357313483730SMike Christie ql4_printk(KERN_ERR, ha, 357413483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 357513483730SMike Christie goto exit_session_conn_fwddb_param; 357613483730SMike Christie } 357713483730SMike Christie 357813483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 357913483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 358013483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 358113483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 358213483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 358313483730SMike Christie ha->host_no, __func__, 358413483730SMike Christie ddb_entry->fw_ddb_index)); 358513483730SMike Christie goto exit_session_conn_fwddb_param; 358613483730SMike Christie } 358713483730SMike Christie 358813483730SMike Christie cls_sess = ddb_entry->sess; 358913483730SMike Christie 359013483730SMike Christie cls_conn = ddb_entry->conn; 359113483730SMike Christie 359213483730SMike Christie /* Update params */ 359313483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 359413483730SMike Christie 359513483730SMike Christie exit_session_conn_fwddb_param: 359613483730SMike Christie if (fw_ddb_entry) 359713483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 359813483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 359913483730SMike Christie } 360013483730SMike Christie 3601b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 3602b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 3603b3a271a9SManish Rangankar { 3604b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3605b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3606b3a271a9SManish Rangankar struct iscsi_session *sess; 3607b3a271a9SManish Rangankar struct iscsi_conn *conn; 3608b3a271a9SManish Rangankar uint32_t ddb_state; 3609b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3610b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 3611b3a271a9SManish Rangankar 3612b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3613b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3614b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3615b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3616b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 361713483730SMike Christie goto exit_session_conn_param; 3618b3a271a9SManish Rangankar } 3619b3a271a9SManish Rangankar 3620b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 3621b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 3622b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 3623b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 3624b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 3625b3a271a9SManish Rangankar ha->host_no, __func__, 3626b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 362713483730SMike Christie goto exit_session_conn_param; 3628b3a271a9SManish Rangankar } 3629b3a271a9SManish Rangankar 3630b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 3631b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3632b3a271a9SManish Rangankar 3633b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 3634b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3635b3a271a9SManish Rangankar 363613483730SMike Christie /* Update timers after login */ 363713483730SMike Christie ddb_entry->default_relogin_timeout = 3638c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 3639c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 3640c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 364113483730SMike Christie ddb_entry->default_time2wait = 364213483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 364313483730SMike Christie 3644b3a271a9SManish Rangankar /* Update params */ 3645376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 36468cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 3647b3a271a9SManish Rangankar 3648b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 3649b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 365013483730SMike Christie 365113483730SMike Christie exit_session_conn_param: 365213483730SMike Christie if (fw_ddb_entry) 365313483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 365413483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 3655b3a271a9SManish Rangankar } 3656b3a271a9SManish Rangankar 3657afaf5a2dSDavid Somayajulu /* 3658afaf5a2dSDavid Somayajulu * Timer routines 3659afaf5a2dSDavid Somayajulu */ 3660afaf5a2dSDavid Somayajulu 3661afaf5a2dSDavid Somayajulu static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, 3662afaf5a2dSDavid Somayajulu unsigned long interval) 3663afaf5a2dSDavid Somayajulu { 3664afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 3665afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 3666afaf5a2dSDavid Somayajulu init_timer(&ha->timer); 3667afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 3668afaf5a2dSDavid Somayajulu ha->timer.data = (unsigned long)ha; 3669afaf5a2dSDavid Somayajulu ha->timer.function = (void (*)(unsigned long))func; 3670afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 3671afaf5a2dSDavid Somayajulu ha->timer_active = 1; 3672afaf5a2dSDavid Somayajulu } 3673afaf5a2dSDavid Somayajulu 3674afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 3675afaf5a2dSDavid Somayajulu { 3676afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 3677afaf5a2dSDavid Somayajulu ha->timer_active = 0; 3678afaf5a2dSDavid Somayajulu } 3679afaf5a2dSDavid Somayajulu 3680afaf5a2dSDavid Somayajulu /*** 3681b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 3682b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 3683afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 3684afaf5a2dSDavid Somayajulu * 3685f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 3686afaf5a2dSDavid Somayajulu **/ 3687b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 3688afaf5a2dSDavid Somayajulu { 3689b3a271a9SManish Rangankar iscsi_block_session(cls_session); 3690afaf5a2dSDavid Somayajulu } 3691afaf5a2dSDavid Somayajulu 3692f4f5df23SVikas Chaudhary /** 3693f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 3694f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 3695f4f5df23SVikas Chaudhary * 3696f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 3697f4f5df23SVikas Chaudhary **/ 3698f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 3699f4f5df23SVikas Chaudhary { 3700b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 3701f4f5df23SVikas Chaudhary } 3702f4f5df23SVikas Chaudhary 3703afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 3704afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 37058f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 3706afaf5a2dSDavid Somayajulu { 3707afaf5a2dSDavid Somayajulu struct srb *srb; 3708afaf5a2dSDavid Somayajulu 3709afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 3710afaf5a2dSDavid Somayajulu if (!srb) 3711afaf5a2dSDavid Somayajulu return srb; 3712afaf5a2dSDavid Somayajulu 371309a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 3714afaf5a2dSDavid Somayajulu srb->ha = ha; 3715afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 3716afaf5a2dSDavid Somayajulu srb->cmd = cmd; 3717afaf5a2dSDavid Somayajulu srb->flags = 0; 37185369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 3719afaf5a2dSDavid Somayajulu 3720afaf5a2dSDavid Somayajulu return srb; 3721afaf5a2dSDavid Somayajulu } 3722afaf5a2dSDavid Somayajulu 3723afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 3724afaf5a2dSDavid Somayajulu { 3725afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 3726afaf5a2dSDavid Somayajulu 3727afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 37285f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 3729afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 3730afaf5a2dSDavid Somayajulu } 37315369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 3732afaf5a2dSDavid Somayajulu } 3733afaf5a2dSDavid Somayajulu 373409a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 3735afaf5a2dSDavid Somayajulu { 373609a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 3737afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 373809a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 3739afaf5a2dSDavid Somayajulu 3740afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 3741afaf5a2dSDavid Somayajulu 3742afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 3743afaf5a2dSDavid Somayajulu 3744afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 3745afaf5a2dSDavid Somayajulu } 3746afaf5a2dSDavid Somayajulu 3747afaf5a2dSDavid Somayajulu /** 3748afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 37498f0722caSVikas Chaudhary * @host: scsi host 3750afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 3751afaf5a2dSDavid Somayajulu * 3752afaf5a2dSDavid Somayajulu * Remarks: 3753afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 3754afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 3755afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 3756afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 3757afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 3758afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 3759afaf5a2dSDavid Somayajulu **/ 37608f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 3761afaf5a2dSDavid Somayajulu { 37628f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 3763afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 37647fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 3765afaf5a2dSDavid Somayajulu struct srb *srb; 3766afaf5a2dSDavid Somayajulu int rval; 3767afaf5a2dSDavid Somayajulu 37682232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 37692232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 37702232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 37712232be0dSLalit Chandivade else 37722232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 37732232be0dSLalit Chandivade goto qc_fail_command; 37742232be0dSLalit Chandivade } 37752232be0dSLalit Chandivade 37767fb1921bSMike Christie if (!sess) { 37777fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 37787fb1921bSMike Christie goto qc_fail_command; 37797fb1921bSMike Christie } 37807fb1921bSMike Christie 37817fb1921bSMike Christie rval = iscsi_session_chkready(sess); 37827fb1921bSMike Christie if (rval) { 37837fb1921bSMike Christie cmd->result = rval; 37847fb1921bSMike Christie goto qc_fail_command; 37857fb1921bSMike Christie } 37867fb1921bSMike Christie 3787f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 3788f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 3789f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 3790f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 3791f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 3792f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 3793b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 3794026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 37957ab284c9SNilesh Javali test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || 37967ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || 3797f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 3798477ffb9dSDavid C Somayajulu goto qc_host_busy; 3799477ffb9dSDavid C Somayajulu 38008f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 3801afaf5a2dSDavid Somayajulu if (!srb) 38028f0722caSVikas Chaudhary goto qc_host_busy; 3803afaf5a2dSDavid Somayajulu 3804afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 3805afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 3806afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 3807afaf5a2dSDavid Somayajulu 3808afaf5a2dSDavid Somayajulu return 0; 3809afaf5a2dSDavid Somayajulu 3810afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 3811afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 3812afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 3813afaf5a2dSDavid Somayajulu 3814afaf5a2dSDavid Somayajulu qc_host_busy: 3815afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 3816afaf5a2dSDavid Somayajulu 3817afaf5a2dSDavid Somayajulu qc_fail_command: 38188f0722caSVikas Chaudhary cmd->scsi_done(cmd); 3819afaf5a2dSDavid Somayajulu 3820afaf5a2dSDavid Somayajulu return 0; 3821afaf5a2dSDavid Somayajulu } 3822afaf5a2dSDavid Somayajulu 3823afaf5a2dSDavid Somayajulu /** 3824afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 3825afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 3826afaf5a2dSDavid Somayajulu * 3827afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 3828afaf5a2dSDavid Somayajulu **/ 3829afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 3830afaf5a2dSDavid Somayajulu { 3831afaf5a2dSDavid Somayajulu if (ha->queues) 3832afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 3833afaf5a2dSDavid Somayajulu ha->queues_dma); 3834afaf5a2dSDavid Somayajulu 3835068237c8STej Parkash if (ha->fw_dump) 3836068237c8STej Parkash vfree(ha->fw_dump); 3837068237c8STej Parkash 3838afaf5a2dSDavid Somayajulu ha->queues_len = 0; 3839afaf5a2dSDavid Somayajulu ha->queues = NULL; 3840afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 3841afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 3842afaf5a2dSDavid Somayajulu ha->request_dma = 0; 3843afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 3844afaf5a2dSDavid Somayajulu ha->response_dma = 0; 3845afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 3846afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 3847068237c8STej Parkash ha->fw_dump = NULL; 3848068237c8STej Parkash ha->fw_dump_size = 0; 3849afaf5a2dSDavid Somayajulu 3850afaf5a2dSDavid Somayajulu /* Free srb pool. */ 3851afaf5a2dSDavid Somayajulu if (ha->srb_mempool) 3852afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 3853afaf5a2dSDavid Somayajulu 3854afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 3855afaf5a2dSDavid Somayajulu 3856b3a271a9SManish Rangankar if (ha->chap_dma_pool) 3857b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 3858b3a271a9SManish Rangankar 38594549415aSLalit Chandivade if (ha->chap_list) 38604549415aSLalit Chandivade vfree(ha->chap_list); 38614549415aSLalit Chandivade ha->chap_list = NULL; 38624549415aSLalit Chandivade 386313483730SMike Christie if (ha->fw_ddb_dma_pool) 386413483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 386513483730SMike Christie 3866afaf5a2dSDavid Somayajulu /* release io space registers */ 3867f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 3868f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 3869f4f5df23SVikas Chaudhary iounmap( 3870f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 3871b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 38726e7b4292SVikas Chaudhary if (ha->nx_pcibase) 38736e7b4292SVikas Chaudhary iounmap( 38746e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 38756e7b4292SVikas Chaudhary } else if (ha->reg) { 3876afaf5a2dSDavid Somayajulu iounmap(ha->reg); 38776e7b4292SVikas Chaudhary } 38786e7b4292SVikas Chaudhary 38796e7b4292SVikas Chaudhary if (ha->reset_tmplt.buff) 38806e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 38816e7b4292SVikas Chaudhary 3882afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 3883afaf5a2dSDavid Somayajulu } 3884afaf5a2dSDavid Somayajulu 3885afaf5a2dSDavid Somayajulu /** 3886afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 3887afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 3888afaf5a2dSDavid Somayajulu * 3889afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 3890afaf5a2dSDavid Somayajulu * for srbs. 3891afaf5a2dSDavid Somayajulu **/ 3892afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 3893afaf5a2dSDavid Somayajulu { 3894afaf5a2dSDavid Somayajulu unsigned long align; 3895afaf5a2dSDavid Somayajulu 3896afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 3897afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 3898afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 3899afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 3900afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 3901afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 3902afaf5a2dSDavid Somayajulu ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, 3903afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 3904afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 3905c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 3906afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 3907afaf5a2dSDavid Somayajulu 3908afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 3909afaf5a2dSDavid Somayajulu } 3910afaf5a2dSDavid Somayajulu memset(ha->queues, 0, ha->queues_len); 3911afaf5a2dSDavid Somayajulu 3912afaf5a2dSDavid Somayajulu /* 3913afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 3914afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 3915afaf5a2dSDavid Somayajulu */ 3916afaf5a2dSDavid Somayajulu align = 0; 3917afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 3918afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 3919afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 3920afaf5a2dSDavid Somayajulu 3921afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 3922afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 3923afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 3924afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 3925afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 3926afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 3927afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 3928afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 3929afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 3930afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 3931afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 3932afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 3933afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 3934afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 3935afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 3936afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 3937afaf5a2dSDavid Somayajulu 3938afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 3939afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 3940afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 3941afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 3942c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 3943afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 3944afaf5a2dSDavid Somayajulu 3945afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 3946afaf5a2dSDavid Somayajulu } 3947afaf5a2dSDavid Somayajulu 3948b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 3949b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 3950b3a271a9SManish Rangankar 3951b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 3952b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 3953b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 3954b3a271a9SManish Rangankar goto mem_alloc_error_exit; 3955b3a271a9SManish Rangankar } 3956b3a271a9SManish Rangankar 395713483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 395813483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 395913483730SMike Christie 396013483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 396113483730SMike Christie ql4_printk(KERN_WARNING, ha, 396213483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 396313483730SMike Christie __func__); 396413483730SMike Christie goto mem_alloc_error_exit; 396513483730SMike Christie } 396613483730SMike Christie 3967afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 3968afaf5a2dSDavid Somayajulu 3969afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 3970afaf5a2dSDavid Somayajulu qla4xxx_mem_free(ha); 3971afaf5a2dSDavid Somayajulu return QLA_ERROR; 3972afaf5a2dSDavid Somayajulu } 3973afaf5a2dSDavid Somayajulu 3974afaf5a2dSDavid Somayajulu /** 39754f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 39764f77083eSMike Hernandez * @ha: adapter block pointer. 39774f77083eSMike Hernandez * 39784f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 39794f77083eSMike Hernandez **/ 39804f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 39814f77083eSMike Hernandez { 39824f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 39834f77083eSMike Hernandez int status = QLA_SUCCESS; 39844f77083eSMike Hernandez 398533693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 39864f77083eSMike Hernandez 39874f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 39884f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 39894f77083eSMike Hernandez 39904f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 39914f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 39924f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 39934f77083eSMike Hernandez " down.\n", temp_val); 39944f77083eSMike Hernandez status = QLA_ERROR; 39954f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 39964f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 39974f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 39984f77083eSMike Hernandez " degrees C exceeds operating range." 39994f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 40004f77083eSMike Hernandez } else { 40014f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 40024f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 40034f77083eSMike Hernandez " now %d degrees C in normal range.\n", 40044f77083eSMike Hernandez temp_val); 40054f77083eSMike Hernandez } 40064f77083eSMike Hernandez ha->temperature = temp_state; 40074f77083eSMike Hernandez return status; 40084f77083eSMike Hernandez } 40094f77083eSMike Hernandez 40104f77083eSMike Hernandez /** 4011f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 4012f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4013f4f5df23SVikas Chaudhary * 4014f4f5df23SVikas Chaudhary * Context: Interrupt 4015f4f5df23SVikas Chaudhary **/ 40169ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 4017f4f5df23SVikas Chaudhary { 40189ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 40199ee91a38SShyam Sunder int status = QLA_SUCCESS; 4020f4f5df23SVikas Chaudhary 402133693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 402233693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 40232232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 40242232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 40252232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 40262232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 40272232be0dSLalit Chandivade ha->host_no, __func__)); 40289ee91a38SShyam Sunder return status; 40292232be0dSLalit Chandivade } 4030f4f5df23SVikas Chaudhary 4031f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 4032f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 4033f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 4034f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 4035f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 40366e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 40379ee91a38SShyam Sunder status = QLA_ERROR; 4038f4f5df23SVikas Chaudhary } 403999457d75SLalit Chandivade } else 404099457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 404199457d75SLalit Chandivade 4042f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 40439ee91a38SShyam Sunder return status; 4044f4f5df23SVikas Chaudhary } 4045f4f5df23SVikas Chaudhary 40466e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 40476e7b4292SVikas Chaudhary { 40486e7b4292SVikas Chaudhary uint32_t halt_status; 40496e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 40506e7b4292SVikas Chaudhary 40516e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 40526e7b4292SVikas Chaudhary 40536e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 40546e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 40556e7b4292SVikas Chaudhary __func__); 40566e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 40576e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 40586e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 40596e7b4292SVikas Chaudhary 40606e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 40616e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 40626e7b4292SVikas Chaudhary __func__); 40636e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 40646e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 4065b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 40666e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 40676e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 40686e7b4292SVikas Chaudhary __func__); 40696e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 40706e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 40716e7b4292SVikas Chaudhary } 40726e7b4292SVikas Chaudhary 40736e7b4292SVikas Chaudhary /* 40746e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 40756e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 40766e7b4292SVikas Chaudhary */ 40776e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 40786e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 40796e7b4292SVikas Chaudhary } else { 40806e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 40816e7b4292SVikas Chaudhary __func__); 40826e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 40836e7b4292SVikas Chaudhary } 40846e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 40856e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 40866e7b4292SVikas Chaudhary } 40876e7b4292SVikas Chaudhary 4088f4f5df23SVikas Chaudhary /** 4089f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 4090f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4091f4f5df23SVikas Chaudhary * 4092f4f5df23SVikas Chaudhary * Context: Interrupt 4093f4f5df23SVikas Chaudhary **/ 4094f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 4095f4f5df23SVikas Chaudhary { 40966e7b4292SVikas Chaudhary uint32_t dev_state; 40976cf94121SVikas Chaudhary uint32_t idc_ctrl; 4098f4f5df23SVikas Chaudhary 4099f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 4100d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4101d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4102977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 410333693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 41044f77083eSMike Hernandez 41054f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 41066e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 41076e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 4108f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 4109e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 4110e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 41116e7b4292SVikas Chaudhary } 41124f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 41134f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 4114de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 4115f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 41166cf94121SVikas Chaudhary 41176cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 41186cf94121SVikas Chaudhary __func__); 41196cf94121SVikas Chaudhary 4120b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 41216cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 41226cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 41236cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 41246cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 41256cf94121SVikas Chaudhary __func__); 41266cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 41276cf94121SVikas Chaudhary ha); 41286cf94121SVikas Chaudhary } 41296cf94121SVikas Chaudhary } 41306cf94121SVikas Chaudhary 4131b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) || 41326e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 4133f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4134f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 41353930b8c1SVikas Chaudhary } 4136de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 4137f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 41383930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 41393930b8c1SVikas Chaudhary __func__); 4140f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 4141f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4142f4f5df23SVikas Chaudhary } else { 4143f4f5df23SVikas Chaudhary /* Check firmware health */ 41446e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 41456e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 4146f4f5df23SVikas Chaudhary } 4147f4f5df23SVikas Chaudhary } 4148f4f5df23SVikas Chaudhary } 4149f4f5df23SVikas Chaudhary 41504a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 415113483730SMike Christie { 415213483730SMike Christie struct iscsi_session *sess; 415313483730SMike Christie struct ddb_entry *ddb_entry; 415413483730SMike Christie struct scsi_qla_host *ha; 415513483730SMike Christie 415613483730SMike Christie sess = cls_sess->dd_data; 415713483730SMike Christie ddb_entry = sess->dd_data; 415813483730SMike Christie ha = ddb_entry->ha; 415913483730SMike Christie 416013483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 416113483730SMike Christie return; 416213483730SMike Christie 416313483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 416413483730SMike Christie !iscsi_is_session_online(cls_sess)) { 416513483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 416613483730SMike Christie INVALID_ENTRY) { 416713483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 416813483730SMike Christie 0) { 416913483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 417013483730SMike Christie INVALID_ENTRY); 417113483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 417213483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 417313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 417413483730SMike Christie "%s: index [%d] login device\n", 417513483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 417613483730SMike Christie } else 417713483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 417813483730SMike Christie } 417913483730SMike Christie } 418013483730SMike Christie 418113483730SMike Christie /* Wait for relogin to timeout */ 418213483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 418313483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 418413483730SMike Christie /* 418513483730SMike Christie * If the relogin times out and the device is 418613483730SMike Christie * still NOT ONLINE then try and relogin again. 418713483730SMike Christie */ 418813483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 418913483730SMike Christie /* Reset retry relogin timer */ 419013483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 419113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 419213483730SMike Christie "%s: index[%d] relogin timed out-retrying" 419313483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 419413483730SMike Christie ddb_entry->fw_ddb_index, 419513483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 419613483730SMike Christie ddb_entry->default_time2wait + 4)); 419713483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 419813483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 419913483730SMike Christie ddb_entry->default_time2wait + 4); 420013483730SMike Christie } 420113483730SMike Christie } 420213483730SMike Christie } 420313483730SMike Christie 4204f4f5df23SVikas Chaudhary /** 4205afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 4206afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4207afaf5a2dSDavid Somayajulu **/ 4208afaf5a2dSDavid Somayajulu static void qla4xxx_timer(struct scsi_qla_host *ha) 4209afaf5a2dSDavid Somayajulu { 4210afaf5a2dSDavid Somayajulu int start_dpc = 0; 42112232be0dSLalit Chandivade uint16_t w; 42122232be0dSLalit Chandivade 421313483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 421413483730SMike Christie 42152232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 42162232be0dSLalit Chandivade * skip any processing and reschedule the timer 42172232be0dSLalit Chandivade */ 42182232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 42192232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 42202232be0dSLalit Chandivade return; 42212232be0dSLalit Chandivade } 42222232be0dSLalit Chandivade 42232232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 42242232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 42252232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 4226afaf5a2dSDavid Somayajulu 42276e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 4228f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 4229f4f5df23SVikas Chaudhary 4230ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 4231afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 4232afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 4233afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 4234afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 4235afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 4236afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 4237afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 4238afaf5a2dSDavid Somayajulu } 4239f4f5df23SVikas Chaudhary } 4240afaf5a2dSDavid Somayajulu 4241ff884430SVikas Chaudhary /* Process any deferred work. */ 4242ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 4243ff884430SVikas Chaudhary start_dpc++; 4244ff884430SVikas Chaudhary 4245afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 42461b46807eSLalit Chandivade if (start_dpc || 4247afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4248afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 4249afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 4250f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 4251afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4252afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 4253065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 4254f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4255f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 42561b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 4257afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 4258afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 4259afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 4260f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4261afaf5a2dSDavid Somayajulu } 4262afaf5a2dSDavid Somayajulu 4263afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 4264afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 4265afaf5a2dSDavid Somayajulu 4266afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 4267afaf5a2dSDavid Somayajulu } 4268afaf5a2dSDavid Somayajulu 4269afaf5a2dSDavid Somayajulu /** 4270afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 4271afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4272afaf5a2dSDavid Somayajulu * 4273afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 4274afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 4275afaf5a2dSDavid Somayajulu **/ 4276afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 4277afaf5a2dSDavid Somayajulu { 4278afaf5a2dSDavid Somayajulu uint32_t index = 0; 4279afaf5a2dSDavid Somayajulu unsigned long flags; 4280afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 4281afaf5a2dSDavid Somayajulu 4282f4f5df23SVikas Chaudhary unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ); 4283f4f5df23SVikas Chaudhary 4284f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to " 4285f4f5df23SVikas Chaudhary "complete\n", WAIT_CMD_TOV)); 4286f4f5df23SVikas Chaudhary 4287f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 4288afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4289afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 4290afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 4291afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 4292a1e0063dSMike Christie /* 4293a1e0063dSMike Christie * We cannot just check if the index is valid, 4294a1e0063dSMike Christie * becase if we are run from the scsi eh, then 4295a1e0063dSMike Christie * the scsi/block layer is going to prevent 4296a1e0063dSMike Christie * the tag from being released. 4297a1e0063dSMike Christie */ 4298a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 4299afaf5a2dSDavid Somayajulu break; 4300afaf5a2dSDavid Somayajulu } 4301afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4302afaf5a2dSDavid Somayajulu 4303afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 4304f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 4305f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4306afaf5a2dSDavid Somayajulu 4307afaf5a2dSDavid Somayajulu msleep(1000); 4308afaf5a2dSDavid Somayajulu } 4309f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 4310f4f5df23SVikas Chaudhary * return ERROR. */ 4311f4f5df23SVikas Chaudhary return QLA_ERROR; 4312afaf5a2dSDavid Somayajulu } 4313afaf5a2dSDavid Somayajulu 4314f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 4315afaf5a2dSDavid Somayajulu { 4316afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 4317477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4318477ffb9dSDavid C Somayajulu 4319477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 4320afaf5a2dSDavid Somayajulu 4321f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 4322f4f5df23SVikas Chaudhary return QLA_ERROR; 4323f4f5df23SVikas Chaudhary 4324afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4325afaf5a2dSDavid Somayajulu 4326afaf5a2dSDavid Somayajulu /* 4327afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 4328afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 4329afaf5a2dSDavid Somayajulu */ 4330afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4331afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 4332afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4333afaf5a2dSDavid Somayajulu 4334afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 4335afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 4336afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4337afaf5a2dSDavid Somayajulu 4338afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4339f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4340477ffb9dSDavid C Somayajulu } 4341477ffb9dSDavid C Somayajulu 4342477ffb9dSDavid C Somayajulu /** 4343477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 4344477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 4345477ffb9dSDavid C Somayajulu **/ 4346477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 4347477ffb9dSDavid C Somayajulu { 4348477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 4349477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4350f931c534SVikas Chaudhary int status; 4351477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 4352477ffb9dSDavid C Somayajulu 4353f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 4354f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 4355f931c534SVikas Chaudhary return status; 4356afaf5a2dSDavid Somayajulu 4357f931c534SVikas Chaudhary status = QLA_ERROR; 4358afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 4359afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 4360afaf5a2dSDavid Somayajulu do { 4361afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4362afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4363afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4364afaf5a2dSDavid Somayajulu 4365afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 4366afaf5a2dSDavid Somayajulu break; 4367afaf5a2dSDavid Somayajulu 4368afaf5a2dSDavid Somayajulu msleep(1000); 4369afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4370afaf5a2dSDavid Somayajulu 4371afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 4372afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 4373afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 4374afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 4375afaf5a2dSDavid Somayajulu ha->host_no)); 4376afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4377afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 4378afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4379afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4380afaf5a2dSDavid Somayajulu } 4381afaf5a2dSDavid Somayajulu 4382afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4383afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4384afaf5a2dSDavid Somayajulu do { 4385afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4386afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4387afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4388afaf5a2dSDavid Somayajulu 4389afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 4390afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4391afaf5a2dSDavid Somayajulu break; 4392afaf5a2dSDavid Somayajulu } 4393afaf5a2dSDavid Somayajulu 4394afaf5a2dSDavid Somayajulu msleep(1000); 4395afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4396afaf5a2dSDavid Somayajulu 4397afaf5a2dSDavid Somayajulu /* 4398afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 4399afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 4400afaf5a2dSDavid Somayajulu */ 4401afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4402afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4403afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 4404afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4405afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4406afaf5a2dSDavid Somayajulu } 4407afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4408afaf5a2dSDavid Somayajulu 4409afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 4410afaf5a2dSDavid Somayajulu * function is also enabled. 4411afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 4412afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 4413afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 4414afaf5a2dSDavid Somayajulu */ 4415afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 4416afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 4417afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4418afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 4419afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4420afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4421afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4422afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4423afaf5a2dSDavid Somayajulu do { 4424afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4425afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4426afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4427afaf5a2dSDavid Somayajulu 4428afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 4429afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4430afaf5a2dSDavid Somayajulu break; 4431afaf5a2dSDavid Somayajulu } 4432afaf5a2dSDavid Somayajulu 4433afaf5a2dSDavid Somayajulu msleep(1000); 4434afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4435afaf5a2dSDavid Somayajulu } 4436afaf5a2dSDavid Somayajulu 4437afaf5a2dSDavid Somayajulu return status; 4438afaf5a2dSDavid Somayajulu } 4439afaf5a2dSDavid Somayajulu 4440afaf5a2dSDavid Somayajulu /** 4441f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 4442afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4443f4f5df23SVikas Chaudhary * @res: returned scsi status 4444afaf5a2dSDavid Somayajulu * 4445afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 4446afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 4447afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 4448afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 4449afaf5a2dSDavid Somayajulu **/ 4450f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 4451afaf5a2dSDavid Somayajulu { 4452afaf5a2dSDavid Somayajulu struct srb *srb; 4453afaf5a2dSDavid Somayajulu int i; 4454afaf5a2dSDavid Somayajulu unsigned long flags; 4455afaf5a2dSDavid Somayajulu 4456afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4457afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 4458afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 4459afaf5a2dSDavid Somayajulu if (srb != NULL) { 4460f4f5df23SVikas Chaudhary srb->cmd->result = res; 446109a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 4462afaf5a2dSDavid Somayajulu } 4463afaf5a2dSDavid Somayajulu } 4464afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4465afaf5a2dSDavid Somayajulu } 4466afaf5a2dSDavid Somayajulu 4467f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 4468f4f5df23SVikas Chaudhary { 4469f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 4470f4f5df23SVikas Chaudhary 4471f4f5df23SVikas Chaudhary /* Disable the board */ 4472f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 4473f4f5df23SVikas Chaudhary 4474f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 4475f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 4476f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 4477f4f5df23SVikas Chaudhary } 4478f4f5df23SVikas Chaudhary 4479b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 4480b3a271a9SManish Rangankar { 4481b3a271a9SManish Rangankar struct iscsi_session *sess; 4482b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4483b3a271a9SManish Rangankar 4484b3a271a9SManish Rangankar sess = cls_session->dd_data; 4485b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4486b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 448713483730SMike Christie 448813483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 448913483730SMike Christie iscsi_block_session(ddb_entry->sess); 449013483730SMike Christie else 449113483730SMike Christie iscsi_session_failure(cls_session->dd_data, 449213483730SMike Christie ISCSI_ERR_CONN_FAILED); 4493b3a271a9SManish Rangankar } 4494b3a271a9SManish Rangankar 4495afaf5a2dSDavid Somayajulu /** 4496afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 4497afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4498afaf5a2dSDavid Somayajulu **/ 4499f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 4500afaf5a2dSDavid Somayajulu { 4501f4f5df23SVikas Chaudhary int status = QLA_ERROR; 4502f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 45038e0f3a66SSarang Radke uint32_t dev_state; 45049ee91a38SShyam Sunder unsigned long wait; 4505afaf5a2dSDavid Somayajulu 4506afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 4507f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 4508afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 4509b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 451050a29aecSMike Christie 4511f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 4512afaf5a2dSDavid Somayajulu 4513f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4514afaf5a2dSDavid Somayajulu 4515b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 4516546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4517546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 4518546fef27STej Parkash __func__); 4519546fef27STej Parkash /* disable pause frame for ISP83xx */ 4520546fef27STej Parkash qla4_83xx_disable_pause(ha); 4521546fef27STej Parkash } 4522546fef27STej Parkash 4523b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 4524b3a271a9SManish Rangankar 4525f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 4526f4f5df23SVikas Chaudhary reset_chip = 1; 4527afaf5a2dSDavid Somayajulu 4528f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 4529f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 4530f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4531f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 4532f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 4533afaf5a2dSDavid Somayajulu } 4534afaf5a2dSDavid Somayajulu 45356e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 4536f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 45376e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 4538f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4539f4f5df23SVikas Chaudhary 4540f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4541f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 4542f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4543f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 4544f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 45452bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4546f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 45475c19b92aSVikas Chaudhary 4548f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 4549f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4550f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4551f4f5df23SVikas Chaudhary } else { 4552f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 4553f4f5df23SVikas Chaudhary * reset the entire chip */ 4554f4f5df23SVikas Chaudhary reset_chip = 1; 4555f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4556f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4557f4f5df23SVikas Chaudhary } 4558f4f5df23SVikas Chaudhary } 4559f4f5df23SVikas Chaudhary 4560f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 45616e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 4562f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 4563ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 4564ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 45659ee91a38SShyam Sunder goto chip_reset; 45669ee91a38SShyam Sunder 45676e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 45689ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 45699ee91a38SShyam Sunder * detection only */ 45709ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 45719ee91a38SShyam Sunder goto chip_reset; 45729ee91a38SShyam Sunder 45739ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 45749ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 45759ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 45769ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 45779ee91a38SShyam Sunder break; 45789ee91a38SShyam Sunder } 45799ee91a38SShyam Sunder 45809ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 45819ee91a38SShyam Sunder schedule_timeout(HZ); 45829ee91a38SShyam Sunder } 4583da106212SVikas Chaudhary chip_reset: 45842bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4585f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 4586da106212SVikas Chaudhary 4587f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4588f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4589f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4590f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 4591f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4592f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 4593f4f5df23SVikas Chaudhary } 4594f4f5df23SVikas Chaudhary 4595f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 4596f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4597f4f5df23SVikas Chaudhary 4598f4f5df23SVikas Chaudhary recover_ha_init_adapter: 4599f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 4600f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4601f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 4602f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 4603f4f5df23SVikas Chaudhary * stepping on top of the other */ 4604ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 4605f4f5df23SVikas Chaudhary ssleep(6); 4606f4f5df23SVikas Chaudhary 4607f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 4608f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 460913483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 4610f4f5df23SVikas Chaudhary } 4611f4f5df23SVikas Chaudhary 4612f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 4613f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 4614f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 4615f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 4616f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4617afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 4618f4f5df23SVikas Chaudhary * resetting the ha. 4619f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 4620f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 4621f4f5df23SVikas Chaudhary * utilize DPC to retry */ 46226e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 462333693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 462433693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 462533693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 462633693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4627de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 46288e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 46298e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 46308e0f3a66SSarang Radke "state\n", __func__); 46318e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 46328e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 46338e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 46348e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 46358e0f3a66SSarang Radke &ha->dpc_flags); 46368e0f3a66SSarang Radke status = QLA_ERROR; 46378e0f3a66SSarang Radke 46388e0f3a66SSarang Radke goto exit_recover; 46398e0f3a66SSarang Radke } 46408e0f3a66SSarang Radke } 46418e0f3a66SSarang Radke 4642afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 4643afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 4644afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 4645afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 4646afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4647afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4648afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4649afaf5a2dSDavid Somayajulu } else { 4650afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 4651afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 4652afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 4653afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 4654afaf5a2dSDavid Somayajulu "retry remaining %d\n", 4655afaf5a2dSDavid Somayajulu ha->host_no, 4656afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4657afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4658afaf5a2dSDavid Somayajulu } 4659afaf5a2dSDavid Somayajulu 4660afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 4661afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 4662afaf5a2dSDavid Somayajulu * Adapter DEAD */ 4663afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 4664afaf5a2dSDavid Somayajulu "failed - board disabled\n", 4665afaf5a2dSDavid Somayajulu ha->host_no)); 4666f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 4667afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4668afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 4669f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 4670afaf5a2dSDavid Somayajulu &ha->dpc_flags); 4671afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4672afaf5a2dSDavid Somayajulu } 4673afaf5a2dSDavid Somayajulu } 4674afaf5a2dSDavid Somayajulu } else { 4675afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 4676f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4677afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4678afaf5a2dSDavid Somayajulu } 4679afaf5a2dSDavid Somayajulu 46808e0f3a66SSarang Radke exit_recover: 4681afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 4682afaf5a2dSDavid Somayajulu 4683f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 4684f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 4685afaf5a2dSDavid Somayajulu 4686f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 4687f4f5df23SVikas Chaudhary 4688f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4689f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 469025985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 4691f4f5df23SVikas Chaudhary 4692afaf5a2dSDavid Somayajulu return status; 4693afaf5a2dSDavid Somayajulu } 4694afaf5a2dSDavid Somayajulu 4695b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 4696b3a271a9SManish Rangankar { 4697b3a271a9SManish Rangankar struct iscsi_session *sess; 4698b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4699b3a271a9SManish Rangankar struct scsi_qla_host *ha; 4700b3a271a9SManish Rangankar 4701b3a271a9SManish Rangankar sess = cls_session->dd_data; 4702b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4703b3a271a9SManish Rangankar ha = ddb_entry->ha; 4704b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 4705b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 4706b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 4707b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 4708b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 4709b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 4710b3a271a9SManish Rangankar } else { 4711b3a271a9SManish Rangankar /* Trigger relogin */ 471213483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 471399c6a33bSAdheer Chandravanshi if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || 471499c6a33bSAdheer Chandravanshi test_bit(DF_DISABLE_RELOGIN, 471599c6a33bSAdheer Chandravanshi &ddb_entry->flags))) 471613483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 471713483730SMike Christie } else 4718b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 4719b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 4720b3a271a9SManish Rangankar } 4721b3a271a9SManish Rangankar } 4722b3a271a9SManish Rangankar } 4723b3a271a9SManish Rangankar 472413483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 472513483730SMike Christie { 472613483730SMike Christie struct iscsi_session *sess; 472713483730SMike Christie struct ddb_entry *ddb_entry; 472813483730SMike Christie struct scsi_qla_host *ha; 472913483730SMike Christie 473013483730SMike Christie sess = cls_session->dd_data; 473113483730SMike Christie ddb_entry = sess->dd_data; 473213483730SMike Christie ha = ddb_entry->ha; 473313483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 473413483730SMike Christie " unblock session\n", ha->host_no, __func__, 473513483730SMike Christie ddb_entry->fw_ddb_index); 473613483730SMike Christie 473713483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 473813483730SMike Christie 473913483730SMike Christie /* Start scan target */ 474013483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 474113483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 474213483730SMike Christie " start scan\n", ha->host_no, __func__, 474313483730SMike Christie ddb_entry->fw_ddb_index); 474413483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 474513483730SMike Christie } 474613483730SMike Christie return QLA_SUCCESS; 474713483730SMike Christie } 474813483730SMike Christie 474913483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 475013483730SMike Christie { 475113483730SMike Christie struct iscsi_session *sess; 475213483730SMike Christie struct ddb_entry *ddb_entry; 475313483730SMike Christie struct scsi_qla_host *ha; 475480c53e64SManish Rangankar int status = QLA_SUCCESS; 475513483730SMike Christie 475613483730SMike Christie sess = cls_session->dd_data; 475713483730SMike Christie ddb_entry = sess->dd_data; 475813483730SMike Christie ha = ddb_entry->ha; 475913483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 476013483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 476113483730SMike Christie ddb_entry->fw_ddb_index); 476280c53e64SManish Rangankar 476380c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 476413483730SMike Christie iscsi_conn_start(ddb_entry->conn); 476513483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 476613483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 476780c53e64SManish Rangankar } else { 476880c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 476980c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 477080c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 477180c53e64SManish Rangankar cls_session->sid); 477280c53e64SManish Rangankar status = QLA_ERROR; 477380c53e64SManish Rangankar } 477413483730SMike Christie 477580c53e64SManish Rangankar return status; 477613483730SMike Christie } 477713483730SMike Christie 47782d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 47792d7924e6SVikas Chaudhary { 4780b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 47812d7924e6SVikas Chaudhary } 47822d7924e6SVikas Chaudhary 478313483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 478413483730SMike Christie { 478513483730SMike Christie uint16_t relogin_timer; 478613483730SMike Christie struct iscsi_session *sess; 478713483730SMike Christie struct ddb_entry *ddb_entry; 478813483730SMike Christie struct scsi_qla_host *ha; 478913483730SMike Christie 479013483730SMike Christie sess = cls_sess->dd_data; 479113483730SMike Christie ddb_entry = sess->dd_data; 479213483730SMike Christie ha = ddb_entry->ha; 479313483730SMike Christie 479413483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 479513483730SMike Christie (uint16_t)RELOGIN_TOV); 479613483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 479713483730SMike Christie 479813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 479913483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 480013483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 480113483730SMike Christie 480213483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 480313483730SMike Christie } 480413483730SMike Christie 480513483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 480613483730SMike Christie { 480713483730SMike Christie struct iscsi_session *sess; 480813483730SMike Christie struct ddb_entry *ddb_entry; 480913483730SMike Christie struct scsi_qla_host *ha; 481013483730SMike Christie 481113483730SMike Christie sess = cls_sess->dd_data; 481213483730SMike Christie ddb_entry = sess->dd_data; 481313483730SMike Christie ha = ddb_entry->ha; 481413483730SMike Christie 481513483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 481613483730SMike Christie return; 481713483730SMike Christie 481899c6a33bSAdheer Chandravanshi if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 481999c6a33bSAdheer Chandravanshi return; 482099c6a33bSAdheer Chandravanshi 482113483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 482213483730SMike Christie !iscsi_is_session_online(cls_sess)) { 482313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 482413483730SMike Christie "relogin issued\n")); 482513483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 482613483730SMike Christie } 482713483730SMike Christie } 482813483730SMike Christie 4829f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 4830f4f5df23SVikas Chaudhary { 48311b46807eSLalit Chandivade if (ha->dpc_thread) 4832f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 4833f4f5df23SVikas Chaudhary } 4834f4f5df23SVikas Chaudhary 4835ff884430SVikas Chaudhary static struct qla4_work_evt * 4836ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 4837ff884430SVikas Chaudhary enum qla4_work_type type) 4838ff884430SVikas Chaudhary { 4839ff884430SVikas Chaudhary struct qla4_work_evt *e; 4840ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 4841ff884430SVikas Chaudhary 4842ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 4843ff884430SVikas Chaudhary if (!e) 4844ff884430SVikas Chaudhary return NULL; 4845ff884430SVikas Chaudhary 4846ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 4847ff884430SVikas Chaudhary e->type = type; 4848ff884430SVikas Chaudhary return e; 4849ff884430SVikas Chaudhary } 4850ff884430SVikas Chaudhary 4851ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 4852ff884430SVikas Chaudhary struct qla4_work_evt *e) 4853ff884430SVikas Chaudhary { 4854ff884430SVikas Chaudhary unsigned long flags; 4855ff884430SVikas Chaudhary 4856ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 4857ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 4858ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 4859ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 4860ff884430SVikas Chaudhary } 4861ff884430SVikas Chaudhary 4862ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 4863ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 4864ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 4865ff884430SVikas Chaudhary { 4866ff884430SVikas Chaudhary struct qla4_work_evt *e; 4867ff884430SVikas Chaudhary 4868ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 4869ff884430SVikas Chaudhary if (!e) 4870ff884430SVikas Chaudhary return QLA_ERROR; 4871ff884430SVikas Chaudhary 4872ff884430SVikas Chaudhary e->u.aen.code = aen_code; 4873ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 4874ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 4875ff884430SVikas Chaudhary 4876ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 4877ff884430SVikas Chaudhary 4878ff884430SVikas Chaudhary return QLA_SUCCESS; 4879ff884430SVikas Chaudhary } 4880ff884430SVikas Chaudhary 4881c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 4882c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 4883c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 4884c0b9d3f7SVikas Chaudhary { 4885c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 4886c0b9d3f7SVikas Chaudhary 4887c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 4888c0b9d3f7SVikas Chaudhary if (!e) 4889c0b9d3f7SVikas Chaudhary return QLA_ERROR; 4890c0b9d3f7SVikas Chaudhary 4891c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 4892c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 4893c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 4894c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 4895c0b9d3f7SVikas Chaudhary 4896c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 4897c0b9d3f7SVikas Chaudhary 4898c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 4899c0b9d3f7SVikas Chaudhary } 4900c0b9d3f7SVikas Chaudhary 4901a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 4902ff884430SVikas Chaudhary { 4903ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 4904ff884430SVikas Chaudhary unsigned long flags; 4905ff884430SVikas Chaudhary LIST_HEAD(work); 4906ff884430SVikas Chaudhary 4907ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 4908ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 4909ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 4910ff884430SVikas Chaudhary 4911ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 4912ff884430SVikas Chaudhary list_del_init(&e->list); 4913ff884430SVikas Chaudhary 4914ff884430SVikas Chaudhary switch (e->type) { 4915ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 4916ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 4917ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 4918ff884430SVikas Chaudhary e->u.aen.code, 4919ff884430SVikas Chaudhary e->u.aen.data_size, 4920ff884430SVikas Chaudhary e->u.aen.data); 4921ff884430SVikas Chaudhary break; 4922c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 4923c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 4924c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 4925c0b9d3f7SVikas Chaudhary e->u.ping.status, 4926c0b9d3f7SVikas Chaudhary e->u.ping.pid, 4927c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 4928c0b9d3f7SVikas Chaudhary e->u.ping.data); 4929c0b9d3f7SVikas Chaudhary break; 4930ff884430SVikas Chaudhary default: 4931ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 4932ff884430SVikas Chaudhary "supported", e->type); 4933ff884430SVikas Chaudhary } 4934ff884430SVikas Chaudhary kfree(e); 4935ff884430SVikas Chaudhary } 4936ff884430SVikas Chaudhary } 4937ff884430SVikas Chaudhary 4938afaf5a2dSDavid Somayajulu /** 4939afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 4940afaf5a2dSDavid Somayajulu * @data: in our case pointer to adapter structure 4941afaf5a2dSDavid Somayajulu * 4942afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 4943afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 4944afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 4945afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 4946afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 4947afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 4948afaf5a2dSDavid Somayajulu **/ 4949c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 4950afaf5a2dSDavid Somayajulu { 4951c4028958SDavid Howells struct scsi_qla_host *ha = 4952c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 4953477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 4954afaf5a2dSDavid Somayajulu 4955f26b9044SDavid C Somayajulu DEBUG2(printk("scsi%ld: %s: DPC handler waking up." 4956f4f5df23SVikas Chaudhary "flags = 0x%08lx, dpc_flags = 0x%08lx\n", 4957f4f5df23SVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)) 4958afaf5a2dSDavid Somayajulu 4959afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 4960afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 49611b46807eSLalit Chandivade return; 4962afaf5a2dSDavid Somayajulu 49632232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 49642232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 49652232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 49661b46807eSLalit Chandivade return; 49672232be0dSLalit Chandivade } 49682232be0dSLalit Chandivade 4969ff884430SVikas Chaudhary /* post events to application */ 4970ff884430SVikas Chaudhary qla4xxx_do_work(ha); 4971ff884430SVikas Chaudhary 49726e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 4973f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 4974b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 4975546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 4976546fef27STej Parkash __func__); 4977546fef27STej Parkash /* disable pause frame for ISP83xx */ 4978546fef27STej Parkash qla4_83xx_disable_pause(ha); 4979546fef27STej Parkash } 4980546fef27STej Parkash 498133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 498233693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 4983de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 498433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4985f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 4986f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 4987f4f5df23SVikas Chaudhary } 4988320a61deSNilesh Javali 49897ab284c9SNilesh Javali if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { 49907ab284c9SNilesh Javali if (is_qla8042(ha)) { 49917ab284c9SNilesh Javali if (ha->idc_info.info2 & 49927ab284c9SNilesh Javali ENABLE_INTERNAL_LOOPBACK) { 49937ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", 49947ab284c9SNilesh Javali __func__); 49957ab284c9SNilesh Javali status = qla4_84xx_config_acb(ha, 49967ab284c9SNilesh Javali ACB_CONFIG_DISABLE); 49977ab284c9SNilesh Javali if (status != QLA_SUCCESS) { 49987ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", 49997ab284c9SNilesh Javali __func__); 50007ab284c9SNilesh Javali } 50017ab284c9SNilesh Javali } 50027ab284c9SNilesh Javali } 5003320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 50047ab284c9SNilesh Javali clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); 50057ab284c9SNilesh Javali } 50067ab284c9SNilesh Javali 50077ab284c9SNilesh Javali if (is_qla8042(ha) && 50087ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { 50097ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", 50107ab284c9SNilesh Javali __func__); 50117ab284c9SNilesh Javali if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != 50127ab284c9SNilesh Javali QLA_SUCCESS) { 50137ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", 50147ab284c9SNilesh Javali __func__); 50157ab284c9SNilesh Javali } 50167ab284c9SNilesh Javali clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); 50177ab284c9SNilesh Javali } 5018320a61deSNilesh Javali 5019f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 5020f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 5021f4f5df23SVikas Chaudhary } 5022f4f5df23SVikas Chaudhary } 5023f4f5df23SVikas Chaudhary 5024f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 5025f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 5026afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 5027f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 50286e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 5029b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 5030b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 5031f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 5032f4f5df23SVikas Chaudhary ha->host_no, __func__)); 5033f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5034f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5035f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5036f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 5037f4f5df23SVikas Chaudhary } 5038f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 5039f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 5040f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 5041afaf5a2dSDavid Somayajulu 5042477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 5043afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 5044afaf5a2dSDavid Somayajulu 5045afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 5046afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 5047afaf5a2dSDavid Somayajulu if (--wait_time == 0) 5048afaf5a2dSDavid Somayajulu break; 5049afaf5a2dSDavid Somayajulu msleep(1000); 5050afaf5a2dSDavid Somayajulu } 5051afaf5a2dSDavid Somayajulu if (wait_time == 0) 5052afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 5053afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 5054afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 5055f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 5056477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 5057477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 5058f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 5059477ffb9dSDavid C Somayajulu } 5060477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5061477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 5062f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5063afaf5a2dSDavid Somayajulu } 5064afaf5a2dSDavid Somayajulu } 5065afaf5a2dSDavid Somayajulu 5066f4f5df23SVikas Chaudhary dpc_post_reset_ha: 5067afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 5068afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 5069afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 5070afaf5a2dSDavid Somayajulu 5071afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 5072afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 5073afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 5074afaf5a2dSDavid Somayajulu 507513483730SMike Christie /* ---- relogin device? --- */ 507613483730SMike Christie if (adapter_up(ha) && 507713483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 507813483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 507913483730SMike Christie } 508013483730SMike Christie 5081065aa1b4SVikas Chaudhary /* ---- link change? --- */ 5082026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 5083026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 5084065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 5085065aa1b4SVikas Chaudhary /* ---- link down? --- */ 50862d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 5087065aa1b4SVikas Chaudhary } else { 5088065aa1b4SVikas Chaudhary /* ---- link up? --- * 5089065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 5090065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 5091065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 5092065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 5093065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 509413483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 509513483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 509613483730SMike Christie iscsi_host_for_each_session(ha->host, 509713483730SMike Christie qla4xxx_login_flash_ddb); 509813483730SMike Christie } else 50992d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 5100065aa1b4SVikas Chaudhary } 5101065aa1b4SVikas Chaudhary } 5102afaf5a2dSDavid Somayajulu } 5103afaf5a2dSDavid Somayajulu 5104afaf5a2dSDavid Somayajulu /** 5105afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 5106afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5107afaf5a2dSDavid Somayajulu **/ 5108afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 5109afaf5a2dSDavid Somayajulu { 51108a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 5111afaf5a2dSDavid Somayajulu 5112afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 5113f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 5114afaf5a2dSDavid Somayajulu 5115d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 5116d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 5117d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 5118d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 5119d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 51207664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 51217664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 5122b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 5123fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 5124fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 5125d9e62e51SVikas Chaudhary } 5126d9e62e51SVikas Chaudhary 5127afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 5128afaf5a2dSDavid Somayajulu if (ha->timer_active) 5129afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 5130afaf5a2dSDavid Somayajulu 5131f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 5132f4f5df23SVikas Chaudhary if (ha->dpc_thread) 5133f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 5134f4f5df23SVikas Chaudhary 5135b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 5136b3a271a9SManish Rangankar if (ha->task_wq) 5137b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 5138b3a271a9SManish Rangankar 5139f4f5df23SVikas Chaudhary /* Put firmware in known state */ 5140f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 5141f4f5df23SVikas Chaudhary 51426e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 514333693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 5144f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 514533693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5146f4f5df23SVikas Chaudhary } 5147f4f5df23SVikas Chaudhary 5148afaf5a2dSDavid Somayajulu /* Detach interrupts */ 5149f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 5150afaf5a2dSDavid Somayajulu 5151bee4fe8eSDavid C Somayajulu /* free extra memory */ 5152bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 5153f4f5df23SVikas Chaudhary } 5154bee4fe8eSDavid C Somayajulu 5155f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 5156f4f5df23SVikas Chaudhary { 5157f4f5df23SVikas Chaudhary int status = 0; 5158f4f5df23SVikas Chaudhary unsigned long mem_base, mem_len, db_base, db_len; 5159f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 5160afaf5a2dSDavid Somayajulu 5161f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 5162f4f5df23SVikas Chaudhary if (status) { 5163f4f5df23SVikas Chaudhary printk(KERN_WARNING 5164f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 5165f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 5166f4f5df23SVikas Chaudhary goto iospace_error_exit; 5167f4f5df23SVikas Chaudhary } 5168f4f5df23SVikas Chaudhary 5169f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 51707d7311c4SSergei Shtylyov __func__, pdev->revision)); 51717d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 5172f4f5df23SVikas Chaudhary 5173f4f5df23SVikas Chaudhary /* remap phys address */ 5174f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 5175f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 5176f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 5177f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 5178f4f5df23SVikas Chaudhary 5179f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 5180f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 5181f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 5182f4f5df23SVikas Chaudhary printk(KERN_ERR 5183f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 5184f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 5185f4f5df23SVikas Chaudhary goto iospace_error_exit; 5186f4f5df23SVikas Chaudhary } 5187f4f5df23SVikas Chaudhary 5188f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 5189f4f5df23SVikas Chaudhary 5190f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 51916e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 51926e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 51936e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 51946e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 51956e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 51966e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 5197b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 51986e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 51996e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 52006e7b4292SVikas Chaudhary } 5201f4f5df23SVikas Chaudhary 5202f4f5df23SVikas Chaudhary db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ 5203f4f5df23SVikas Chaudhary db_len = pci_resource_len(pdev, 4); 5204f4f5df23SVikas Chaudhary 52052657c800SShyam Sundar return 0; 5206f4f5df23SVikas Chaudhary iospace_error_exit: 5207f4f5df23SVikas Chaudhary return -ENOMEM; 5208afaf5a2dSDavid Somayajulu } 5209afaf5a2dSDavid Somayajulu 5210afaf5a2dSDavid Somayajulu /*** 5211afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 5212afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5213afaf5a2dSDavid Somayajulu * 5214afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 5215afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 5216afaf5a2dSDavid Somayajulu **/ 5217f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 5218afaf5a2dSDavid Somayajulu { 5219afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 5220afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 5221afaf5a2dSDavid Somayajulu 5222afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 5223afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 5224afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 5225afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 5226afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 5227c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5228afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 5229afaf5a2dSDavid Somayajulu pio = 0; 5230afaf5a2dSDavid Somayajulu } 5231afaf5a2dSDavid Somayajulu } else { 5232c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 5233afaf5a2dSDavid Somayajulu pio = 0; 5234afaf5a2dSDavid Somayajulu } 5235afaf5a2dSDavid Somayajulu 5236afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 5237afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 5238afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 5239afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 5240afaf5a2dSDavid Somayajulu 5241afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 5242c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5243afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 5244afaf5a2dSDavid Somayajulu 5245afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5246afaf5a2dSDavid Somayajulu } 5247c2660df3SVikas Chaudhary 5248afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 5249c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5250afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 5251afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5252afaf5a2dSDavid Somayajulu } 5253afaf5a2dSDavid Somayajulu 5254afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 5255c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5256afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 5257afaf5a2dSDavid Somayajulu 5258afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5259afaf5a2dSDavid Somayajulu } 5260afaf5a2dSDavid Somayajulu 5261afaf5a2dSDavid Somayajulu ha->pio_address = pio; 5262afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 5263afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 5264afaf5a2dSDavid Somayajulu if (!ha->reg) { 5265c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5266afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 5267afaf5a2dSDavid Somayajulu 5268afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5269afaf5a2dSDavid Somayajulu } 5270afaf5a2dSDavid Somayajulu 5271afaf5a2dSDavid Somayajulu return 0; 5272afaf5a2dSDavid Somayajulu 5273afaf5a2dSDavid Somayajulu iospace_error_exit: 5274afaf5a2dSDavid Somayajulu return -ENOMEM; 5275afaf5a2dSDavid Somayajulu } 5276afaf5a2dSDavid Somayajulu 5277f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 5278f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 5279f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 5280f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 5281f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 5282f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 5283f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 5284f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 5285f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 5286f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 5287f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 5288f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 5289f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5290f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 5291f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 529233693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 529333693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 5294f4f5df23SVikas Chaudhary }; 5295f4f5df23SVikas Chaudhary 52967664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 5297f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 5298f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 5299f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 5300f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 5301f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 530233693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 5303f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 5304f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 530533693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 5306f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 5307f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 5308f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 5309f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 5310f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 5311f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 5312f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 531333693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 531433693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 531533693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 531633693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 531733693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 531833693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 531933693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 532033693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 532133693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 5322f4f5df23SVikas Chaudhary }; 5323f4f5df23SVikas Chaudhary 53246e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 53256e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 53266e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 53276e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 53286e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 53296e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 53306e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 53316e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 53326e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 53336e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 53346e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 53356e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 53366e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 53376e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 5338a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5339a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 53406e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 53416e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 53426e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 53436e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 53446e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 53456e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 53466e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 53476e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 53486e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 53496e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 5350f4f5df23SVikas Chaudhary }; 5351f4f5df23SVikas Chaudhary 5352f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5353f4f5df23SVikas Chaudhary { 5354f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 5355f4f5df23SVikas Chaudhary } 5356f4f5df23SVikas Chaudhary 5357f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5358f4f5df23SVikas Chaudhary { 53597664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 5360f4f5df23SVikas Chaudhary } 5361f4f5df23SVikas Chaudhary 5362f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5363f4f5df23SVikas Chaudhary { 5364f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 5365f4f5df23SVikas Chaudhary } 5366f4f5df23SVikas Chaudhary 5367f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5368f4f5df23SVikas Chaudhary { 53697664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 5370f4f5df23SVikas Chaudhary } 5371f4f5df23SVikas Chaudhary 53722a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 53732a991c21SManish Rangankar { 53742a991c21SManish Rangankar struct scsi_qla_host *ha = data; 53752a991c21SManish Rangankar char *str = buf; 53762a991c21SManish Rangankar int rc; 53772a991c21SManish Rangankar 53782a991c21SManish Rangankar switch (type) { 53792a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 53802a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 53812a991c21SManish Rangankar break; 53822a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 53832a991c21SManish Rangankar rc = sprintf(str, "0\n"); 53842a991c21SManish Rangankar break; 53852a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 53862a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 53872a991c21SManish Rangankar MAC_ADDR_LEN); 53882a991c21SManish Rangankar break; 53892a991c21SManish Rangankar default: 53902a991c21SManish Rangankar rc = -ENOSYS; 53912a991c21SManish Rangankar break; 53922a991c21SManish Rangankar } 53932a991c21SManish Rangankar return rc; 53942a991c21SManish Rangankar } 53952a991c21SManish Rangankar 5396587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 53972a991c21SManish Rangankar { 53982a991c21SManish Rangankar int rc; 53992a991c21SManish Rangankar 54002a991c21SManish Rangankar switch (type) { 54012a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 54022a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 54032a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 54042a991c21SManish Rangankar rc = S_IRUGO; 54052a991c21SManish Rangankar break; 54062a991c21SManish Rangankar default: 54072a991c21SManish Rangankar rc = 0; 54082a991c21SManish Rangankar break; 54092a991c21SManish Rangankar } 54102a991c21SManish Rangankar return rc; 54112a991c21SManish Rangankar } 54122a991c21SManish Rangankar 54132a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 54142a991c21SManish Rangankar { 54152a991c21SManish Rangankar struct scsi_qla_host *ha = data; 54162a991c21SManish Rangankar char *str = buf; 54172a991c21SManish Rangankar int rc; 54182a991c21SManish Rangankar 54192a991c21SManish Rangankar switch (type) { 54202a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 54212a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 54222a991c21SManish Rangankar break; 54232a991c21SManish Rangankar default: 54242a991c21SManish Rangankar rc = -ENOSYS; 54252a991c21SManish Rangankar break; 54262a991c21SManish Rangankar } 54272a991c21SManish Rangankar return rc; 54282a991c21SManish Rangankar } 54292a991c21SManish Rangankar 5430587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 54312a991c21SManish Rangankar { 54322a991c21SManish Rangankar int rc; 54332a991c21SManish Rangankar 54342a991c21SManish Rangankar switch (type) { 54352a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 54362a991c21SManish Rangankar rc = S_IRUGO; 54372a991c21SManish Rangankar break; 54382a991c21SManish Rangankar default: 54392a991c21SManish Rangankar rc = 0; 54402a991c21SManish Rangankar break; 54412a991c21SManish Rangankar } 54422a991c21SManish Rangankar return rc; 54432a991c21SManish Rangankar } 54442a991c21SManish Rangankar 54452a991c21SManish Rangankar static ssize_t 54462a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 54472a991c21SManish Rangankar char *buf) 54482a991c21SManish Rangankar { 54492a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 54502a991c21SManish Rangankar char *str = buf; 54512a991c21SManish Rangankar int rc; 54522a991c21SManish Rangankar 54532a991c21SManish Rangankar switch (type) { 54542a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 54552a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 54562a991c21SManish Rangankar break; 54572a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 54582a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 54592a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 54602a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 54612a991c21SManish Rangankar else 54622a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 54632a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 54642a991c21SManish Rangankar break; 54652a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 54662a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 54672a991c21SManish Rangankar break; 54682a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 54692a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 54702a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 54712a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 54722a991c21SManish Rangankar break; 54732a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 54742a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 54752a991c21SManish Rangankar boot_conn->chap.target_secret_length, 54762a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 54772a991c21SManish Rangankar break; 54782a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 54792a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 54802a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 54812a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 54822a991c21SManish Rangankar break; 54832a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 54842a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 54852a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 54862a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 54872a991c21SManish Rangankar break; 54882a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 54892a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 54902a991c21SManish Rangankar break; 54912a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 54922a991c21SManish Rangankar rc = sprintf(str, "0\n"); 54932a991c21SManish Rangankar break; 54942a991c21SManish Rangankar default: 54952a991c21SManish Rangankar rc = -ENOSYS; 54962a991c21SManish Rangankar break; 54972a991c21SManish Rangankar } 54982a991c21SManish Rangankar return rc; 54992a991c21SManish Rangankar } 55002a991c21SManish Rangankar 55012a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 55022a991c21SManish Rangankar { 55032a991c21SManish Rangankar struct scsi_qla_host *ha = data; 55042a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 55052a991c21SManish Rangankar 55062a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 55072a991c21SManish Rangankar } 55082a991c21SManish Rangankar 55092a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 55102a991c21SManish Rangankar { 55112a991c21SManish Rangankar struct scsi_qla_host *ha = data; 55122a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 55132a991c21SManish Rangankar 55142a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 55152a991c21SManish Rangankar } 55162a991c21SManish Rangankar 5517587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 55182a991c21SManish Rangankar { 55192a991c21SManish Rangankar int rc; 55202a991c21SManish Rangankar 55212a991c21SManish Rangankar switch (type) { 55222a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 55232a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 55242a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 55252a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 55262a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 55272a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 55282a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 55292a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 55302a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 55312a991c21SManish Rangankar rc = S_IRUGO; 55322a991c21SManish Rangankar break; 55332a991c21SManish Rangankar default: 55342a991c21SManish Rangankar rc = 0; 55352a991c21SManish Rangankar break; 55362a991c21SManish Rangankar } 55372a991c21SManish Rangankar return rc; 55382a991c21SManish Rangankar } 55392a991c21SManish Rangankar 55402a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 55412a991c21SManish Rangankar { 55422a991c21SManish Rangankar struct scsi_qla_host *ha = data; 55432a991c21SManish Rangankar 55442a991c21SManish Rangankar scsi_host_put(ha->host); 55452a991c21SManish Rangankar } 55462a991c21SManish Rangankar 55472a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 55482a991c21SManish Rangankar { 55492a991c21SManish Rangankar dma_addr_t buf_dma; 55502a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 55512a991c21SManish Rangankar uint32_t offset; 55522a991c21SManish Rangankar uint16_t func_num; 55532a991c21SManish Rangankar uint8_t val; 55542a991c21SManish Rangankar uint8_t *buf = NULL; 55552a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 55562a991c21SManish Rangankar int ret = QLA_SUCCESS; 55572a991c21SManish Rangankar 55582a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 55592a991c21SManish Rangankar 55600d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 55610d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 55622a991c21SManish Rangankar 55630d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 55642a991c21SManish Rangankar if (func_num == 1) { 55652a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 55662a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 55672a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 55682a991c21SManish Rangankar } else if (func_num == 3) { 55692a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 55702a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 55712a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 55722a991c21SManish Rangankar } else { 55732a991c21SManish Rangankar ret = QLA_ERROR; 55742a991c21SManish Rangankar goto exit_boot_info; 55752a991c21SManish Rangankar } 55762a991c21SManish Rangankar 55772a991c21SManish Rangankar /* Check Boot Mode */ 55782a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 55792a991c21SManish Rangankar if (!(val & 0x07)) { 5580e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 5581e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 55822a991c21SManish Rangankar ret = QLA_ERROR; 55832a991c21SManish Rangankar goto exit_boot_info; 55842a991c21SManish Rangankar } 55852a991c21SManish Rangankar 55862a991c21SManish Rangankar /* get primary valid target index */ 55872a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 55882a991c21SManish Rangankar if (val & BIT_7) 55892a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 55902a991c21SManish Rangankar 55912a991c21SManish Rangankar /* get secondary valid target index */ 55922a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 55932a991c21SManish Rangankar if (val & BIT_7) 55942a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 55952a991c21SManish Rangankar 55963e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 55972a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 55982a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 55992a991c21SManish Rangankar if (!buf) { 56002a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 56012a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 56022a991c21SManish Rangankar __func__)); 56032a991c21SManish Rangankar ret = QLA_ERROR; 56042a991c21SManish Rangankar goto exit_boot_info; 56052a991c21SManish Rangankar } 56062a991c21SManish Rangankar 56072a991c21SManish Rangankar if (ha->port_num == 0) 56082a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 56092a991c21SManish Rangankar else if (ha->port_num == 1) 56102a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 56112a991c21SManish Rangankar else { 56122a991c21SManish Rangankar ret = QLA_ERROR; 56132a991c21SManish Rangankar goto exit_boot_info_free; 56142a991c21SManish Rangankar } 56152a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 56162a991c21SManish Rangankar offset; 56172a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 56182a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 56192a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 56202a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 56212a991c21SManish Rangankar ret = QLA_ERROR; 56222a991c21SManish Rangankar goto exit_boot_info_free; 56232a991c21SManish Rangankar } 56242a991c21SManish Rangankar /* Check Boot Mode */ 56252a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 5626e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 5627e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 56282a991c21SManish Rangankar ret = QLA_ERROR; 56292a991c21SManish Rangankar goto exit_boot_info_free; 56302a991c21SManish Rangankar } 56312a991c21SManish Rangankar 56322a991c21SManish Rangankar /* get primary valid target index */ 56332a991c21SManish Rangankar if (buf[2] & BIT_7) 56342a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 56352a991c21SManish Rangankar 56362a991c21SManish Rangankar /* get secondary valid target index */ 56372a991c21SManish Rangankar if (buf[11] & BIT_7) 56382a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 56392a991c21SManish Rangankar } else { 56402a991c21SManish Rangankar ret = QLA_ERROR; 56412a991c21SManish Rangankar goto exit_boot_info; 56422a991c21SManish Rangankar } 56432a991c21SManish Rangankar 56442a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 56452a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 56462a991c21SManish Rangankar ddb_index[1])); 56472a991c21SManish Rangankar 56482a991c21SManish Rangankar exit_boot_info_free: 56492a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 56502a991c21SManish Rangankar exit_boot_info: 565120e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 565220e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 56532a991c21SManish Rangankar return ret; 56542a991c21SManish Rangankar } 56552a991c21SManish Rangankar 565628deb45cSLalit Chandivade /** 565728deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 565828deb45cSLalit Chandivade * @ha: pointer to adapter structure 565928deb45cSLalit Chandivade * @username: CHAP username to be returned 566028deb45cSLalit Chandivade * @password: CHAP password to be returned 566128deb45cSLalit Chandivade * 566228deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 566328deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 566428deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 566528deb45cSLalit Chandivade * to the boot record in sysfs. 566628deb45cSLalit Chandivade **/ 566728deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 566828deb45cSLalit Chandivade char *password) 566928deb45cSLalit Chandivade { 567028deb45cSLalit Chandivade int i, ret = -EINVAL; 567128deb45cSLalit Chandivade int max_chap_entries = 0; 567228deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 567328deb45cSLalit Chandivade 5674d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 567528deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 567628deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 567728deb45cSLalit Chandivade else 567828deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 567928deb45cSLalit Chandivade 568028deb45cSLalit Chandivade if (!ha->chap_list) { 568128deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 568228deb45cSLalit Chandivade return ret; 568328deb45cSLalit Chandivade } 568428deb45cSLalit Chandivade 568528deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 568628deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 568728deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 568828deb45cSLalit Chandivade if (chap_table->cookie != 568928deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 569028deb45cSLalit Chandivade continue; 569128deb45cSLalit Chandivade } 569228deb45cSLalit Chandivade 569328deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 569428deb45cSLalit Chandivade continue; 569528deb45cSLalit Chandivade 569628deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 569728deb45cSLalit Chandivade continue; 569828deb45cSLalit Chandivade 569928deb45cSLalit Chandivade strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 570028deb45cSLalit Chandivade strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 570128deb45cSLalit Chandivade ret = 0; 570228deb45cSLalit Chandivade break; 570328deb45cSLalit Chandivade } 570428deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 570528deb45cSLalit Chandivade 570628deb45cSLalit Chandivade return ret; 570728deb45cSLalit Chandivade } 570828deb45cSLalit Chandivade 570928deb45cSLalit Chandivade 57102a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 57112a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 57122a991c21SManish Rangankar uint16_t ddb_index) 57132a991c21SManish Rangankar { 57142a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 57152a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 57162a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 57172a991c21SManish Rangankar uint16_t idx; 57182a991c21SManish Rangankar uint16_t options; 57192a991c21SManish Rangankar int ret = QLA_SUCCESS; 57202a991c21SManish Rangankar 57212a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 57222a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 57232a991c21SManish Rangankar if (!fw_ddb_entry) { 57242a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 57252a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 57262a991c21SManish Rangankar __func__)); 57272a991c21SManish Rangankar ret = QLA_ERROR; 57282a991c21SManish Rangankar return ret; 57292a991c21SManish Rangankar } 57302a991c21SManish Rangankar 57312a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 57322a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 5733e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 5734e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 57352a991c21SManish Rangankar ret = QLA_ERROR; 57362a991c21SManish Rangankar goto exit_boot_target; 57372a991c21SManish Rangankar } 57382a991c21SManish Rangankar 57392a991c21SManish Rangankar /* Update target name and IP from DDB */ 57402a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 57412a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 57422a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 57432a991c21SManish Rangankar 57442a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 57452a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 57462a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 57472a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 57482a991c21SManish Rangankar } else { 57492a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 57502a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 57512a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 57522a991c21SManish Rangankar } 57532a991c21SManish Rangankar 57542a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 57552a991c21SManish Rangankar 57562a991c21SManish Rangankar /* update chap information */ 57572a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 57582a991c21SManish Rangankar 57592a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 57602a991c21SManish Rangankar 57612a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 57622a991c21SManish Rangankar 57632a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 57642a991c21SManish Rangankar target_chap_name, 57652a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 57662a991c21SManish Rangankar idx); 57672a991c21SManish Rangankar if (ret) { 57682a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 57692a991c21SManish Rangankar ret = QLA_ERROR; 57702a991c21SManish Rangankar goto exit_boot_target; 57712a991c21SManish Rangankar } 57722a991c21SManish Rangankar 57732a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 57742a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 57752a991c21SManish Rangankar } 57762a991c21SManish Rangankar 57772a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 57782a991c21SManish Rangankar 57792a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 57802a991c21SManish Rangankar 578128deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 578228deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 578328deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 578428deb45cSLalit Chandivade 57852a991c21SManish Rangankar if (ret) { 57862a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 57872a991c21SManish Rangankar ret = QLA_ERROR; 57882a991c21SManish Rangankar goto exit_boot_target; 57892a991c21SManish Rangankar } 57902a991c21SManish Rangankar 57912a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 57922a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 57932a991c21SManish Rangankar } 57942a991c21SManish Rangankar 57952a991c21SManish Rangankar exit_boot_target: 57962a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 57972a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 57982a991c21SManish Rangankar return ret; 57992a991c21SManish Rangankar } 58002a991c21SManish Rangankar 58012a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 58022a991c21SManish Rangankar { 58032a991c21SManish Rangankar uint16_t ddb_index[2]; 58048de5b958SLalit Chandivade int ret = QLA_ERROR; 58058de5b958SLalit Chandivade int rval; 58062a991c21SManish Rangankar 58072a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 58088de5b958SLalit Chandivade ddb_index[0] = 0xffff; 58098de5b958SLalit Chandivade ddb_index[1] = 0xffff; 58102a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 58112a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 5812e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 5813e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 58142a991c21SManish Rangankar return ret; 58152a991c21SManish Rangankar } 58162a991c21SManish Rangankar 581713483730SMike Christie if (ql4xdisablesysfsboot) 581813483730SMike Christie return QLA_SUCCESS; 581913483730SMike Christie 58208de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 58218de5b958SLalit Chandivade goto sec_target; 58228de5b958SLalit Chandivade 58238de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 58242a991c21SManish Rangankar ddb_index[0]); 58258de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 5826e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 5827e8fb00e0SManish Rangankar "configured\n", __func__)); 58288de5b958SLalit Chandivade } else 58298de5b958SLalit Chandivade ret = QLA_SUCCESS; 58302a991c21SManish Rangankar 58318de5b958SLalit Chandivade sec_target: 58328de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 58338de5b958SLalit Chandivade goto exit_get_boot_info; 58348de5b958SLalit Chandivade 58358de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 58362a991c21SManish Rangankar ddb_index[1]); 58378de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 5838e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 5839e8fb00e0SManish Rangankar " configured\n", __func__)); 58408de5b958SLalit Chandivade } else 58418de5b958SLalit Chandivade ret = QLA_SUCCESS; 58428de5b958SLalit Chandivade 58438de5b958SLalit Chandivade exit_get_boot_info: 58442a991c21SManish Rangankar return ret; 58452a991c21SManish Rangankar } 58462a991c21SManish Rangankar 58472a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 58482a991c21SManish Rangankar { 58492a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 58502a991c21SManish Rangankar 58512a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 585213483730SMike Christie return QLA_ERROR; 585313483730SMike Christie 585413483730SMike Christie if (ql4xdisablesysfsboot) { 585513483730SMike Christie ql4_printk(KERN_INFO, ha, 585613483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 585713483730SMike Christie "and publish session for discovery .\n", __func__); 585813483730SMike Christie return QLA_SUCCESS; 585913483730SMike Christie } 586013483730SMike Christie 58612a991c21SManish Rangankar 58622a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 58632a991c21SManish Rangankar if (!ha->boot_kset) 58642a991c21SManish Rangankar goto kset_free; 58652a991c21SManish Rangankar 58662a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 58672a991c21SManish Rangankar goto kset_free; 58682a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 58692a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 58702a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 58712a991c21SManish Rangankar qla4xxx_boot_release); 58722a991c21SManish Rangankar if (!boot_kobj) 58732a991c21SManish Rangankar goto put_host; 58742a991c21SManish Rangankar 58752a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 58762a991c21SManish Rangankar goto kset_free; 58772a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 58782a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 58792a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 58802a991c21SManish Rangankar qla4xxx_boot_release); 58812a991c21SManish Rangankar if (!boot_kobj) 58822a991c21SManish Rangankar goto put_host; 58832a991c21SManish Rangankar 58842a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 58852a991c21SManish Rangankar goto kset_free; 58862a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 58872a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 58882a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 58892a991c21SManish Rangankar qla4xxx_boot_release); 58902a991c21SManish Rangankar if (!boot_kobj) 58912a991c21SManish Rangankar goto put_host; 58922a991c21SManish Rangankar 58932a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 58942a991c21SManish Rangankar goto kset_free; 58952a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 58962a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 58972a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 58982a991c21SManish Rangankar qla4xxx_boot_release); 58992a991c21SManish Rangankar if (!boot_kobj) 59002a991c21SManish Rangankar goto put_host; 59012a991c21SManish Rangankar 590213483730SMike Christie return QLA_SUCCESS; 59032a991c21SManish Rangankar 59042a991c21SManish Rangankar put_host: 59052a991c21SManish Rangankar scsi_host_put(ha->host); 59062a991c21SManish Rangankar kset_free: 59072a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 59082a991c21SManish Rangankar return -ENOMEM; 59092a991c21SManish Rangankar } 59102a991c21SManish Rangankar 59114549415aSLalit Chandivade 59124549415aSLalit Chandivade /** 59134549415aSLalit Chandivade * qla4xxx_create chap_list - Create CHAP list from FLASH 59144549415aSLalit Chandivade * @ha: pointer to adapter structure 59154549415aSLalit Chandivade * 59164549415aSLalit Chandivade * Read flash and make a list of CHAP entries, during login when a CHAP entry 59174549415aSLalit Chandivade * is received, it will be checked in this list. If entry exist then the CHAP 59184549415aSLalit Chandivade * entry index is set in the DDB. If CHAP entry does not exist in this list 59194549415aSLalit Chandivade * then a new entry is added in FLASH in CHAP table and the index obtained is 59204549415aSLalit Chandivade * used in the DDB. 59214549415aSLalit Chandivade **/ 59224549415aSLalit Chandivade static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) 59234549415aSLalit Chandivade { 59244549415aSLalit Chandivade int rval = 0; 59254549415aSLalit Chandivade uint8_t *chap_flash_data = NULL; 59264549415aSLalit Chandivade uint32_t offset; 59274549415aSLalit Chandivade dma_addr_t chap_dma; 59284549415aSLalit Chandivade uint32_t chap_size = 0; 59294549415aSLalit Chandivade 59304549415aSLalit Chandivade if (is_qla40XX(ha)) 59314549415aSLalit Chandivade chap_size = MAX_CHAP_ENTRIES_40XX * 59324549415aSLalit Chandivade sizeof(struct ql4_chap_table); 59334549415aSLalit Chandivade else /* Single region contains CHAP info for both 59344549415aSLalit Chandivade * ports which is divided into half for each port. 59354549415aSLalit Chandivade */ 59364549415aSLalit Chandivade chap_size = ha->hw.flt_chap_size / 2; 59374549415aSLalit Chandivade 59384549415aSLalit Chandivade chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, 59394549415aSLalit Chandivade &chap_dma, GFP_KERNEL); 59404549415aSLalit Chandivade if (!chap_flash_data) { 59414549415aSLalit Chandivade ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); 59424549415aSLalit Chandivade return; 59434549415aSLalit Chandivade } 59444549415aSLalit Chandivade if (is_qla40XX(ha)) 59454549415aSLalit Chandivade offset = FLASH_CHAP_OFFSET; 59464549415aSLalit Chandivade else { 59474549415aSLalit Chandivade offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 59484549415aSLalit Chandivade if (ha->port_num == 1) 59494549415aSLalit Chandivade offset += chap_size; 59504549415aSLalit Chandivade } 59514549415aSLalit Chandivade 59524549415aSLalit Chandivade rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 59534549415aSLalit Chandivade if (rval != QLA_SUCCESS) 59544549415aSLalit Chandivade goto exit_chap_list; 59554549415aSLalit Chandivade 59564549415aSLalit Chandivade if (ha->chap_list == NULL) 59574549415aSLalit Chandivade ha->chap_list = vmalloc(chap_size); 59584549415aSLalit Chandivade if (ha->chap_list == NULL) { 59594549415aSLalit Chandivade ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); 59604549415aSLalit Chandivade goto exit_chap_list; 59614549415aSLalit Chandivade } 59624549415aSLalit Chandivade 59634549415aSLalit Chandivade memcpy(ha->chap_list, chap_flash_data, chap_size); 59644549415aSLalit Chandivade 59654549415aSLalit Chandivade exit_chap_list: 59664549415aSLalit Chandivade dma_free_coherent(&ha->pdev->dev, chap_size, 59674549415aSLalit Chandivade chap_flash_data, chap_dma); 596813483730SMike Christie } 596913483730SMike Christie 597013483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 597113483730SMike Christie struct ql4_tuple_ddb *tddb) 597213483730SMike Christie { 597313483730SMike Christie struct scsi_qla_host *ha; 597413483730SMike Christie struct iscsi_cls_session *cls_sess; 597513483730SMike Christie struct iscsi_cls_conn *cls_conn; 597613483730SMike Christie struct iscsi_session *sess; 597713483730SMike Christie struct iscsi_conn *conn; 597813483730SMike Christie 597913483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 598013483730SMike Christie ha = ddb_entry->ha; 598113483730SMike Christie cls_sess = ddb_entry->sess; 598213483730SMike Christie sess = cls_sess->dd_data; 598313483730SMike Christie cls_conn = ddb_entry->conn; 598413483730SMike Christie conn = cls_conn->dd_data; 598513483730SMike Christie 598613483730SMike Christie tddb->tpgt = sess->tpgt; 598713483730SMike Christie tddb->port = conn->persistent_port; 598813483730SMike Christie strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 598913483730SMike Christie strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 599013483730SMike Christie } 599113483730SMike Christie 599213483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 59931cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 59941cb78d73SVikas Chaudhary uint8_t *flash_isid) 599513483730SMike Christie { 599613483730SMike Christie uint16_t options = 0; 599713483730SMike Christie 599813483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 599913483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 600013483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 600113483730SMike Christie 600213483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 600313483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 600413483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 600513483730SMike Christie else 600613483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 600713483730SMike Christie 600813483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 60091cb78d73SVikas Chaudhary 60101cb78d73SVikas Chaudhary if (flash_isid == NULL) 60111cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 60121cb78d73SVikas Chaudhary sizeof(tddb->isid)); 60131cb78d73SVikas Chaudhary else 60141cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 601513483730SMike Christie } 601613483730SMike Christie 601713483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 601813483730SMike Christie struct ql4_tuple_ddb *old_tddb, 6019173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 6020173269efSManish Rangankar uint8_t is_isid_compare) 602113483730SMike Christie { 602213483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 602313483730SMike Christie return QLA_ERROR; 602413483730SMike Christie 602513483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 602613483730SMike Christie return QLA_ERROR; 602713483730SMike Christie 602813483730SMike Christie if (old_tddb->port != new_tddb->port) 602913483730SMike Christie return QLA_ERROR; 603013483730SMike Christie 6031173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 603259e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 6033173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 6034173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 6035173269efSManish Rangankar * ISID would not match firmware generated ISID. 6036173269efSManish Rangankar */ 6037173269efSManish Rangankar if (is_isid_compare) { 6038173269efSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" 6039173269efSManish Rangankar "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", 6040173269efSManish Rangankar __func__, old_tddb->isid[5], old_tddb->isid[4], 6041173269efSManish Rangankar old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], 6042173269efSManish Rangankar old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], 6043173269efSManish Rangankar new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], 6044173269efSManish Rangankar new_tddb->isid[0])); 6045173269efSManish Rangankar 6046173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 6047173269efSManish Rangankar sizeof(old_tddb->isid))) 6048173269efSManish Rangankar return QLA_ERROR; 6049173269efSManish Rangankar } 6050173269efSManish Rangankar 605113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 605213483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 605313483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 605413483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 605513483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 605613483730SMike Christie 605713483730SMike Christie return QLA_SUCCESS; 605813483730SMike Christie } 605913483730SMike Christie 606013483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 6061ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6062ad8bd45eSManish Rangankar uint32_t *index) 606313483730SMike Christie { 606413483730SMike Christie struct ddb_entry *ddb_entry; 606513483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 606613483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 606713483730SMike Christie int idx; 606813483730SMike Christie int ret = QLA_ERROR; 606913483730SMike Christie 607013483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 607113483730SMike Christie if (!fw_tddb) { 607213483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 607313483730SMike Christie "Memory Allocation failed.\n")); 607413483730SMike Christie ret = QLA_SUCCESS; 607513483730SMike Christie goto exit_check; 607613483730SMike Christie } 607713483730SMike Christie 607813483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 607913483730SMike Christie if (!tmp_tddb) { 608013483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 608113483730SMike Christie "Memory Allocation failed.\n")); 608213483730SMike Christie ret = QLA_SUCCESS; 608313483730SMike Christie goto exit_check; 608413483730SMike Christie } 608513483730SMike Christie 60861cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 608713483730SMike Christie 608813483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 608913483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 609013483730SMike Christie if (ddb_entry == NULL) 609113483730SMike Christie continue; 609213483730SMike Christie 609313483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 6094173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 609513483730SMike Christie ret = QLA_SUCCESS; /* found */ 6096ad8bd45eSManish Rangankar if (index != NULL) 6097ad8bd45eSManish Rangankar *index = idx; 609813483730SMike Christie goto exit_check; 609913483730SMike Christie } 610013483730SMike Christie } 610113483730SMike Christie 610213483730SMike Christie exit_check: 610313483730SMike Christie if (fw_tddb) 610413483730SMike Christie vfree(fw_tddb); 610513483730SMike Christie if (tmp_tddb) 610613483730SMike Christie vfree(tmp_tddb); 610713483730SMike Christie return ret; 610813483730SMike Christie } 610913483730SMike Christie 61101cb78d73SVikas Chaudhary /** 61111cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 61121cb78d73SVikas Chaudhary * in target list 61131cb78d73SVikas Chaudhary * @list_nt: list of target 61141cb78d73SVikas Chaudhary * @isid: isid to check 61151cb78d73SVikas Chaudhary * 61161cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 61171cb78d73SVikas Chaudhary **/ 61181cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 61191cb78d73SVikas Chaudhary { 61201cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 61211cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 61221cb78d73SVikas Chaudhary 61231cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 61241cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 61251cb78d73SVikas Chaudhary 61261cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 61271cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 61281cb78d73SVikas Chaudhary return QLA_SUCCESS; 61291cb78d73SVikas Chaudhary } 61301cb78d73SVikas Chaudhary } 61311cb78d73SVikas Chaudhary return QLA_ERROR; 61321cb78d73SVikas Chaudhary } 61331cb78d73SVikas Chaudhary 61341cb78d73SVikas Chaudhary /** 61351cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 61361cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 61371cb78d73SVikas Chaudhary * @list_nt: list of nt target 61381cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 61391cb78d73SVikas Chaudhary * 61401cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 61411cb78d73SVikas Chaudhary * different IP addr. 61421cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 61431cb78d73SVikas Chaudhary **/ 61441cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 61451cb78d73SVikas Chaudhary struct list_head *list_nt, 61461cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 61471cb78d73SVikas Chaudhary { 61481cb78d73SVikas Chaudhary uint8_t base_value, i; 61491cb78d73SVikas Chaudhary 61501cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 61511cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 61521cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 61531cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 61541cb78d73SVikas Chaudhary break; 61551cb78d73SVikas Chaudhary } 61561cb78d73SVikas Chaudhary 61571cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 61581cb78d73SVikas Chaudhary return QLA_ERROR; 61591cb78d73SVikas Chaudhary 61601cb78d73SVikas Chaudhary return QLA_SUCCESS; 61611cb78d73SVikas Chaudhary } 61621cb78d73SVikas Chaudhary 61631cb78d73SVikas Chaudhary /** 61641cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 61651cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 61661cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 61671cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 61681cb78d73SVikas Chaudhary * 61691cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 61701cb78d73SVikas Chaudhary * same isid 61711cb78d73SVikas Chaudhary **/ 61721cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 61731cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 61741cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 61751cb78d73SVikas Chaudhary { 61761cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 61771cb78d73SVikas Chaudhary /* Same ip */ 61781cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 61791cb78d73SVikas Chaudhary return QLA_ERROR; 61801cb78d73SVikas Chaudhary } 61811cb78d73SVikas Chaudhary 61821cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 61831cb78d73SVikas Chaudhary /* different iqn */ 61841cb78d73SVikas Chaudhary return QLA_ERROR; 61851cb78d73SVikas Chaudhary 61861cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 61871cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 61881cb78d73SVikas Chaudhary /* different isid */ 61891cb78d73SVikas Chaudhary return QLA_ERROR; 61901cb78d73SVikas Chaudhary 61911cb78d73SVikas Chaudhary return QLA_SUCCESS; 61921cb78d73SVikas Chaudhary } 61931cb78d73SVikas Chaudhary 61941cb78d73SVikas Chaudhary /** 61951cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 61961cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 61971cb78d73SVikas Chaudhary * @list_nt: list of nt target. 61981cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 61991cb78d73SVikas Chaudhary * 62001cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 62011cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 62021cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 62031cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 62041cb78d73SVikas Chaudhary **/ 62051cb78d73SVikas Chaudhary 620613483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 620713483730SMike Christie struct list_head *list_nt, 620813483730SMike Christie struct dev_db_entry *fw_ddb_entry) 620913483730SMike Christie { 621013483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 621113483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 621213483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 62131cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 621413483730SMike Christie 621513483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 621613483730SMike Christie if (!fw_tddb) { 621713483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 621813483730SMike Christie "Memory Allocation failed.\n")); 621913483730SMike Christie ret = QLA_SUCCESS; 622013483730SMike Christie goto exit_check; 622113483730SMike Christie } 622213483730SMike Christie 622313483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 622413483730SMike Christie if (!tmp_tddb) { 622513483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 622613483730SMike Christie "Memory Allocation failed.\n")); 622713483730SMike Christie ret = QLA_SUCCESS; 622813483730SMike Christie goto exit_check; 622913483730SMike Christie } 623013483730SMike Christie 62311cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 623213483730SMike Christie 623313483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 62341cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 62351cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 62361cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 62371cb78d73SVikas Chaudhary /* found duplicate ddb */ 62381cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 62391cb78d73SVikas Chaudhary goto exit_check; 62401cb78d73SVikas Chaudhary } 62411cb78d73SVikas Chaudhary 62421cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 62431cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 62441cb78d73SVikas Chaudhary 62451cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 62461cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 62471cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 62481cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 62491cb78d73SVikas Chaudhary ret = QLA_ERROR; 62501cb78d73SVikas Chaudhary else 62511cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 62521cb78d73SVikas Chaudhary 625313483730SMike Christie goto exit_check; 625413483730SMike Christie } 625513483730SMike Christie } 625613483730SMike Christie 625713483730SMike Christie exit_check: 625813483730SMike Christie if (fw_tddb) 625913483730SMike Christie vfree(fw_tddb); 626013483730SMike Christie if (tmp_tddb) 626113483730SMike Christie vfree(tmp_tddb); 626213483730SMike Christie return ret; 626313483730SMike Christie } 626413483730SMike Christie 62654a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 626613483730SMike Christie { 62674a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 626813483730SMike Christie 62694a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 62704a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 62714a4bc2e9SLalit Chandivade vfree(ddb_idx); 627213483730SMike Christie } 627313483730SMike Christie } 627413483730SMike Christie 627513483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 627613483730SMike Christie struct dev_db_entry *fw_ddb_entry) 627713483730SMike Christie { 627813483730SMike Christie struct iscsi_endpoint *ep; 627913483730SMike Christie struct sockaddr_in *addr; 628013483730SMike Christie struct sockaddr_in6 *addr6; 62813dd4849cSManish Rangankar struct sockaddr *t_addr; 62823dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 628313483730SMike Christie char *ip; 628413483730SMike Christie 628513483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 628613483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 628713483730SMike Christie if (!dst_addr) 628813483730SMike Christie return NULL; 628913483730SMike Christie 629013483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 62913dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 62923dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 629313483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 629413483730SMike Christie ip = (char *)&addr6->sin6_addr; 629513483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 629613483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 629713483730SMike Christie 629813483730SMike Christie } else { 62993dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 63003dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 630113483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 630213483730SMike Christie ip = (char *)&addr->sin_addr; 630313483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 630413483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 630513483730SMike Christie } 630613483730SMike Christie 63073dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 630813483730SMike Christie vfree(dst_addr); 630913483730SMike Christie return ep; 631013483730SMike Christie } 631113483730SMike Christie 631213483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 631313483730SMike Christie { 631413483730SMike Christie if (ql4xdisablesysfsboot) 631513483730SMike Christie return QLA_SUCCESS; 631613483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 631713483730SMike Christie return QLA_ERROR; 631813483730SMike Christie return QLA_SUCCESS; 631913483730SMike Christie } 632013483730SMike Christie 632113483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 63221dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 63231dc8ed5dSManish Rangankar uint16_t idx) 632413483730SMike Christie { 6325c28eaacaSNilesh Javali uint16_t def_timeout; 6326c28eaacaSNilesh Javali 632713483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 632813483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 632913483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 633013483730SMike Christie ddb_entry->ha = ha; 633113483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 633213483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 6333946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx = INVALID_ENTRY; 633413483730SMike Christie 633513483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 633613483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 633713483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 6338c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 633913483730SMike Christie ddb_entry->default_relogin_timeout = 6340c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 6341c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 634213483730SMike Christie ddb_entry->default_time2wait = 634313483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 63441dc8ed5dSManish Rangankar 63451dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 63461dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 63471dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 634813483730SMike Christie } 634913483730SMike Christie 635013483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 635113483730SMike Christie { 635213483730SMike Christie uint32_t idx = 0; 635313483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 635413483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 635513483730SMike Christie uint32_t ip_state; 635613483730SMike Christie unsigned long wtime; 635713483730SMike Christie int ret; 635813483730SMike Christie 635913483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 636013483730SMike Christie do { 636113483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 636213483730SMike Christie if (ip_idx[idx] == -1) 636313483730SMike Christie continue; 636413483730SMike Christie 636513483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 636613483730SMike Christie 636713483730SMike Christie if (ret == QLA_ERROR) { 636813483730SMike Christie ip_idx[idx] = -1; 636913483730SMike Christie continue; 637013483730SMike Christie } 637113483730SMike Christie 637213483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 637313483730SMike Christie 637413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 637513483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 637613483730SMike Christie ip_idx[idx], ip_state)); 637713483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 637813483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 637913483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 638013483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 638113483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 638213483730SMike Christie ip_idx[idx] = -1; 638313483730SMike Christie } 638413483730SMike Christie 638513483730SMike Christie /* Break if all IP states checked */ 638613483730SMike Christie if ((ip_idx[0] == -1) && 638713483730SMike Christie (ip_idx[1] == -1) && 638813483730SMike Christie (ip_idx[2] == -1) && 638913483730SMike Christie (ip_idx[3] == -1)) 639013483730SMike Christie break; 639113483730SMike Christie schedule_timeout_uninterruptible(HZ); 639213483730SMike Christie } while (time_after(wtime, jiffies)); 639313483730SMike Christie } 639413483730SMike Christie 6395ad8bd45eSManish Rangankar static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, 6396ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry) 6397ad8bd45eSManish Rangankar { 6398ad8bd45eSManish Rangankar uint16_t options = 0; 6399ad8bd45eSManish Rangankar size_t ip_len = IP_ADDR_LEN; 6400ad8bd45eSManish Rangankar 6401ad8bd45eSManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 6402ad8bd45eSManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) 6403ad8bd45eSManish Rangankar ip_len = IPv6_ADDR_LEN; 6404ad8bd45eSManish Rangankar 6405ad8bd45eSManish Rangankar if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) 6406ad8bd45eSManish Rangankar return QLA_ERROR; 6407ad8bd45eSManish Rangankar 6408ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], 6409ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->isid))) 6410ad8bd45eSManish Rangankar return QLA_ERROR; 6411ad8bd45eSManish Rangankar 6412ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, 6413ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->port))) 6414ad8bd45eSManish Rangankar return QLA_ERROR; 6415ad8bd45eSManish Rangankar 6416ad8bd45eSManish Rangankar return QLA_SUCCESS; 6417ad8bd45eSManish Rangankar } 6418ad8bd45eSManish Rangankar 6419ad8bd45eSManish Rangankar static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, 6420ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6421ad8bd45eSManish Rangankar uint32_t fw_idx, uint32_t *flash_index) 6422ad8bd45eSManish Rangankar { 6423ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry; 6424ad8bd45eSManish Rangankar dma_addr_t flash_ddb_entry_dma; 6425ad8bd45eSManish Rangankar uint32_t idx = 0; 6426ad8bd45eSManish Rangankar int max_ddbs; 6427ad8bd45eSManish Rangankar int ret = QLA_ERROR, status; 6428ad8bd45eSManish Rangankar 6429ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6430ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6431ad8bd45eSManish Rangankar 6432ad8bd45eSManish Rangankar flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 6433ad8bd45eSManish Rangankar &flash_ddb_entry_dma); 6434ad8bd45eSManish Rangankar if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { 6435ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Out of memory\n"); 6436ad8bd45eSManish Rangankar goto exit_find_st_idx; 6437ad8bd45eSManish Rangankar } 6438ad8bd45eSManish Rangankar 6439ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6440ad8bd45eSManish Rangankar flash_ddb_entry_dma, fw_idx); 6441ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6442ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6443ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6444ad8bd45eSManish Rangankar *flash_index = fw_idx; 6445ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6446ad8bd45eSManish Rangankar goto exit_find_st_idx; 6447ad8bd45eSManish Rangankar } 6448ad8bd45eSManish Rangankar } 6449ad8bd45eSManish Rangankar 6450ad8bd45eSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 6451ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6452ad8bd45eSManish Rangankar flash_ddb_entry_dma, idx); 6453ad8bd45eSManish Rangankar if (status == QLA_ERROR) 6454ad8bd45eSManish Rangankar continue; 6455ad8bd45eSManish Rangankar 6456ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6457ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6458ad8bd45eSManish Rangankar *flash_index = idx; 6459ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6460ad8bd45eSManish Rangankar goto exit_find_st_idx; 6461ad8bd45eSManish Rangankar } 6462ad8bd45eSManish Rangankar } 6463ad8bd45eSManish Rangankar 6464ad8bd45eSManish Rangankar if (idx == max_ddbs) 6465ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", 6466ad8bd45eSManish Rangankar fw_idx); 6467ad8bd45eSManish Rangankar 6468ad8bd45eSManish Rangankar exit_find_st_idx: 6469ad8bd45eSManish Rangankar if (flash_ddb_entry) 6470ad8bd45eSManish Rangankar dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, 6471ad8bd45eSManish Rangankar flash_ddb_entry_dma); 6472ad8bd45eSManish Rangankar 6473ad8bd45eSManish Rangankar return ret; 6474ad8bd45eSManish Rangankar } 6475ad8bd45eSManish Rangankar 64764a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 64774a4bc2e9SLalit Chandivade struct list_head *list_st) 647813483730SMike Christie { 64794a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 648013483730SMike Christie int max_ddbs; 64814a4bc2e9SLalit Chandivade int fw_idx_size; 64824a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 64834a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 648413483730SMike Christie int ret; 648513483730SMike Christie uint32_t idx = 0, next_idx = 0; 648613483730SMike Christie uint32_t state = 0, conn_err = 0; 6487ad8bd45eSManish Rangankar uint32_t flash_index = -1; 64884a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 648913483730SMike Christie 649013483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 649113483730SMike Christie &fw_ddb_dma); 649213483730SMike Christie if (fw_ddb_entry == NULL) { 649313483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 64944a4bc2e9SLalit Chandivade goto exit_st_list; 649513483730SMike Christie } 649613483730SMike Christie 64974a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 64984a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 649913483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 650013483730SMike Christie 650113483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 65024a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 65034a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 65044a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 650513483730SMike Christie if (ret == QLA_ERROR) 650613483730SMike Christie break; 650713483730SMike Christie 6508981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 6509981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 6510981c982cSLalit Chandivade goto continue_next_st; 6511981c982cSLalit Chandivade 651213483730SMike Christie /* Check if ST, add to the list_st */ 651313483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 651413483730SMike Christie goto continue_next_st; 651513483730SMike Christie 651613483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 651713483730SMike Christie if (!st_ddb_idx) 651813483730SMike Christie break; 651913483730SMike Christie 6520ad8bd45eSManish Rangankar ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, 6521ad8bd45eSManish Rangankar &flash_index); 6522ad8bd45eSManish Rangankar if (ret == QLA_ERROR) { 6523ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, 6524ad8bd45eSManish Rangankar "No flash entry for ST at idx [%d]\n", idx); 6525ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = idx; 6526ad8bd45eSManish Rangankar } else { 6527ad8bd45eSManish Rangankar ql4_printk(KERN_INFO, ha, 6528ad8bd45eSManish Rangankar "ST at idx [%d] is stored at flash [%d]\n", 6529ad8bd45eSManish Rangankar idx, flash_index); 6530ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = flash_index; 6531ad8bd45eSManish Rangankar } 6532ad8bd45eSManish Rangankar 653313483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 653413483730SMike Christie 65354a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 653613483730SMike Christie continue_next_st: 653713483730SMike Christie if (next_idx == 0) 653813483730SMike Christie break; 653913483730SMike Christie } 654013483730SMike Christie 65414a4bc2e9SLalit Chandivade exit_st_list: 65424a4bc2e9SLalit Chandivade if (fw_ddb_entry) 65434a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 65444a4bc2e9SLalit Chandivade } 65454a4bc2e9SLalit Chandivade 65464a4bc2e9SLalit Chandivade /** 65474a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 65484a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 65494a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 65504a4bc2e9SLalit Chandivade * 65514a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 65524a4bc2e9SLalit Chandivade * no connection active state or failed state 65534a4bc2e9SLalit Chandivade **/ 65544a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 65554a4bc2e9SLalit Chandivade struct list_head *list_ddb) 65564a4bc2e9SLalit Chandivade { 65574a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 65584a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 65594a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 65604a4bc2e9SLalit Chandivade int ret; 65614a4bc2e9SLalit Chandivade 65624a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 65634a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 65644a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 65654a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 65664a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 65674a4bc2e9SLalit Chandivade continue; 65684a4bc2e9SLalit Chandivade 65694a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 65704a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 65714a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 65724a4bc2e9SLalit Chandivade vfree(ddb_idx); 65734a4bc2e9SLalit Chandivade } 65744a4bc2e9SLalit Chandivade } 65754a4bc2e9SLalit Chandivade } 65764a4bc2e9SLalit Chandivade 6577ad8bd45eSManish Rangankar static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, 6578ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry, 6579ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6580ad8bd45eSManish Rangankar { 6581ad8bd45eSManish Rangankar struct iscsi_cls_session *cls_sess; 6582ad8bd45eSManish Rangankar struct iscsi_session *sess; 6583ad8bd45eSManish Rangankar uint32_t max_ddbs = 0; 6584ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 6585ad8bd45eSManish Rangankar 6586ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6587ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6588ad8bd45eSManish Rangankar 6589ad8bd45eSManish Rangankar cls_sess = ddb_entry->sess; 6590ad8bd45eSManish Rangankar sess = cls_sess->dd_data; 6591ad8bd45eSManish Rangankar 6592ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6593ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6594ad8bd45eSManish Rangankar sess->discovery_parent_idx = ddb_link; 6595ad8bd45eSManish Rangankar else 6596ad8bd45eSManish Rangankar sess->discovery_parent_idx = DDB_NO_LINK; 6597ad8bd45eSManish Rangankar } 6598ad8bd45eSManish Rangankar 65994a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 66004a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 66011dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 66024a4bc2e9SLalit Chandivade { 66034a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 66044a4bc2e9SLalit Chandivade struct iscsi_session *sess; 66054a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 66064a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 66074a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 66084a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 66094a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 66104a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 66114a4bc2e9SLalit Chandivade 66124a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 66134a4bc2e9SLalit Chandivade 66144a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 66154a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 66164a4bc2e9SLalit Chandivade */ 66174a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 66184a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 66194a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 66204a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 66214a4bc2e9SLalit Chandivade if (!cls_sess) { 66224a4bc2e9SLalit Chandivade ret = QLA_ERROR; 66234a4bc2e9SLalit Chandivade goto exit_setup; 66244a4bc2e9SLalit Chandivade } 66254a4bc2e9SLalit Chandivade 66264a4bc2e9SLalit Chandivade /* 66274a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 66284a4bc2e9SLalit Chandivade * reference count. 66294a4bc2e9SLalit Chandivade **/ 66304a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 66314a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 66324a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 66334a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 66344a4bc2e9SLalit Chandivade 66354a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 66364a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 66374a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 66384a4bc2e9SLalit Chandivade 66391dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 66404a4bc2e9SLalit Chandivade 66414a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 66424a4bc2e9SLalit Chandivade 66434a4bc2e9SLalit Chandivade if (!cls_conn) { 66444a4bc2e9SLalit Chandivade ret = QLA_ERROR; 66454a4bc2e9SLalit Chandivade goto exit_setup; 66464a4bc2e9SLalit Chandivade } 66474a4bc2e9SLalit Chandivade 66484a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 66494a4bc2e9SLalit Chandivade 66504a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 66514a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 66524a4bc2e9SLalit Chandivade if (ep) { 66534a4bc2e9SLalit Chandivade ep->conn = cls_conn; 66544a4bc2e9SLalit Chandivade cls_conn->ep = ep; 66554a4bc2e9SLalit Chandivade } else { 66564a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 66574a4bc2e9SLalit Chandivade ret = QLA_ERROR; 66584a4bc2e9SLalit Chandivade goto exit_setup; 66594a4bc2e9SLalit Chandivade } 66604a4bc2e9SLalit Chandivade 66614a4bc2e9SLalit Chandivade /* Update sess/conn params */ 66624a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 6663ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); 66644a4bc2e9SLalit Chandivade 66654a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 66664a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 66674a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 66684a4bc2e9SLalit Chandivade * by short-circuting the logic of setting 66694a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 66704a4bc2e9SLalit Chandivade * to initiate login right away. 66714a4bc2e9SLalit Chandivade */ 66724a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 66734a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 66744a4bc2e9SLalit Chandivade } 66754a4bc2e9SLalit Chandivade 66764a4bc2e9SLalit Chandivade exit_setup: 66774a4bc2e9SLalit Chandivade return ret; 66784a4bc2e9SLalit Chandivade } 66794a4bc2e9SLalit Chandivade 6680ad8bd45eSManish Rangankar static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, 6681ad8bd45eSManish Rangankar struct list_head *list_ddb, 6682ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6683ad8bd45eSManish Rangankar { 6684ad8bd45eSManish Rangankar struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 6685ad8bd45eSManish Rangankar uint16_t ddb_link; 6686ad8bd45eSManish Rangankar 6687ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6688ad8bd45eSManish Rangankar 6689ad8bd45eSManish Rangankar list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 6690ad8bd45eSManish Rangankar if (ddb_idx->fw_ddb_idx == ddb_link) { 6691ad8bd45eSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6692ad8bd45eSManish Rangankar "Updating NT parent idx from [%d] to [%d]\n", 6693ad8bd45eSManish Rangankar ddb_link, ddb_idx->flash_ddb_idx)); 6694ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = 6695ad8bd45eSManish Rangankar cpu_to_le16(ddb_idx->flash_ddb_idx); 6696ad8bd45eSManish Rangankar return; 6697ad8bd45eSManish Rangankar } 6698ad8bd45eSManish Rangankar } 6699ad8bd45eSManish Rangankar } 6700ad8bd45eSManish Rangankar 67014a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 6702ad8bd45eSManish Rangankar struct list_head *list_nt, 6703ad8bd45eSManish Rangankar struct list_head *list_st, 6704ad8bd45eSManish Rangankar int is_reset) 67054a4bc2e9SLalit Chandivade { 67064a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 6707ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry = NULL; 67084a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 67094a4bc2e9SLalit Chandivade int max_ddbs; 67104a4bc2e9SLalit Chandivade int fw_idx_size; 67114a4bc2e9SLalit Chandivade int ret; 67124a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 67134a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 6714ad8bd45eSManish Rangankar uint32_t ddb_idx = -1; 67154a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 6716ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 67174a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 67184a4bc2e9SLalit Chandivade 67194a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 67204a4bc2e9SLalit Chandivade &fw_ddb_dma); 67214a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 67224a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 67234a4bc2e9SLalit Chandivade goto exit_nt_list; 67244a4bc2e9SLalit Chandivade } 67254a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 67264a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 67274a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 67284a4bc2e9SLalit Chandivade 67294a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 67304a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 67314a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 67324a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 67334a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 67344a4bc2e9SLalit Chandivade break; 67354a4bc2e9SLalit Chandivade 67364a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 67374a4bc2e9SLalit Chandivade goto continue_next_nt; 67384a4bc2e9SLalit Chandivade 67394a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 67404a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 67414a4bc2e9SLalit Chandivade goto continue_next_nt; 67424a4bc2e9SLalit Chandivade 6743ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6744ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6745ad8bd45eSManish Rangankar qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); 6746ad8bd45eSManish Rangankar 67474a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 6748ad8bd45eSManish Rangankar state == DDB_DS_SESSION_FAILED) && 6749ad8bd45eSManish Rangankar (is_reset == INIT_ADAPTER)) 67504a4bc2e9SLalit Chandivade goto continue_next_nt; 67514a4bc2e9SLalit Chandivade 67524a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 67534a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 6754ad8bd45eSManish Rangankar 67554a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 67564a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 67574a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 67584a4bc2e9SLalit Chandivade break; 67594a4bc2e9SLalit Chandivade 67604a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 67614a4bc2e9SLalit Chandivade 67621cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 67631cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 67641cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 67651cb78d73SVikas Chaudhary * target */ 67661cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 67671cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 67681cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 67694a4bc2e9SLalit Chandivade 67701cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 67711cb78d73SVikas Chaudhary fw_ddb_entry); 67721cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 67731cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 67744a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 67754a4bc2e9SLalit Chandivade goto continue_next_nt; 67764a4bc2e9SLalit Chandivade } 67771cb78d73SVikas Chaudhary 67781cb78d73SVikas Chaudhary /* Copy updated isid */ 67791cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 67801cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 67811cb78d73SVikas Chaudhary 67824a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 67834a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 6784ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, 6785ad8bd45eSManish Rangankar &ddb_idx); 6786ad8bd45eSManish Rangankar if (ret == QLA_SUCCESS) { 6787ad8bd45eSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 6788ad8bd45eSManish Rangankar ddb_idx); 6789ad8bd45eSManish Rangankar if (ddb_entry != NULL) 6790ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, 6791ad8bd45eSManish Rangankar ddb_entry, 6792ad8bd45eSManish Rangankar fw_ddb_entry); 67934a4bc2e9SLalit Chandivade goto continue_next_nt; 67944a4bc2e9SLalit Chandivade } 6795ad8bd45eSManish Rangankar } 67964a4bc2e9SLalit Chandivade 67971dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 67984a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 67994a4bc2e9SLalit Chandivade goto exit_nt_list; 68004a4bc2e9SLalit Chandivade 68014a4bc2e9SLalit Chandivade continue_next_nt: 68024a4bc2e9SLalit Chandivade if (next_idx == 0) 68034a4bc2e9SLalit Chandivade break; 68044a4bc2e9SLalit Chandivade } 68054a4bc2e9SLalit Chandivade 68064a4bc2e9SLalit Chandivade exit_nt_list: 68074a4bc2e9SLalit Chandivade if (fw_ddb_entry) 68084a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 68094a4bc2e9SLalit Chandivade } 68104a4bc2e9SLalit Chandivade 68111e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 6812ad8bd45eSManish Rangankar struct list_head *list_nt, 6813ad8bd45eSManish Rangankar uint16_t target_id) 68141e9e2be3SAdheer Chandravanshi { 68151e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 68161e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 68171e9e2be3SAdheer Chandravanshi int max_ddbs; 68181e9e2be3SAdheer Chandravanshi int fw_idx_size; 68191e9e2be3SAdheer Chandravanshi int ret; 68201e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 68211e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 68221e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 68231e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 68241e9e2be3SAdheer Chandravanshi 68251e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 68261e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 68271e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 68281e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 68291e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 68301e9e2be3SAdheer Chandravanshi } 68311e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 68321e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 68331e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 68341e9e2be3SAdheer Chandravanshi 68351e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 68361e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 68371e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 68381e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 68391e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 68401e9e2be3SAdheer Chandravanshi break; 68411e9e2be3SAdheer Chandravanshi 68421e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 68431e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 68441e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 68451e9e2be3SAdheer Chandravanshi 68461e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 68471e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 68481e9e2be3SAdheer Chandravanshi 68491e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 68501e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 68511e9e2be3SAdheer Chandravanshi 68521e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 68531e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 68541e9e2be3SAdheer Chandravanshi break; 68551e9e2be3SAdheer Chandravanshi 68561e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 68571e9e2be3SAdheer Chandravanshi 6858ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 68591e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 68601e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 68611e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 68621e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 68631e9e2be3SAdheer Chandravanshi } 68641e9e2be3SAdheer Chandravanshi 6865ad8bd45eSManish Rangankar if (target_id < max_ddbs) 6866ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = cpu_to_le16(target_id); 6867ad8bd45eSManish Rangankar 68681e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 68691e9e2be3SAdheer Chandravanshi 68701e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 68711e9e2be3SAdheer Chandravanshi idx); 68721e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 68731e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 68741e9e2be3SAdheer Chandravanshi 68751e9e2be3SAdheer Chandravanshi continue_next_new_nt: 68761e9e2be3SAdheer Chandravanshi if (next_idx == 0) 68771e9e2be3SAdheer Chandravanshi break; 68781e9e2be3SAdheer Chandravanshi } 68791e9e2be3SAdheer Chandravanshi 68801e9e2be3SAdheer Chandravanshi exit_new_nt_list: 68811e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 68821e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 68831e9e2be3SAdheer Chandravanshi } 68841e9e2be3SAdheer Chandravanshi 68851e9e2be3SAdheer Chandravanshi /** 68861e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 68871e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 68881e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 68891e9e2be3SAdheer Chandravanshi * 68901e9e2be3SAdheer Chandravanshi * Returns: 68911e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 68921e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 68931e9e2be3SAdheer Chandravanshi **/ 68941e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 68951e9e2be3SAdheer Chandravanshi { 68961e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 68971e9e2be3SAdheer Chandravanshi 68981e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 68991e9e2be3SAdheer Chandravanshi return 0; 69001e9e2be3SAdheer Chandravanshi 69011e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 69021e9e2be3SAdheer Chandravanshi 69031e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 69041e9e2be3SAdheer Chandravanshi } 69051e9e2be3SAdheer Chandravanshi 69061e9e2be3SAdheer Chandravanshi /** 69071e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 69081e9e2be3SAdheer Chandravanshi * @ha: pointer to host 69091e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 69101e9e2be3SAdheer Chandravanshi * @idx: target index 69111e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 69121e9e2be3SAdheer Chandravanshi * 69131e9e2be3SAdheer Chandravanshi * Returns: 69141e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 69151e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 69161e9e2be3SAdheer Chandravanshi * 69171e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 69181e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 69191e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 69201e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 69211e9e2be3SAdheer Chandravanshi **/ 692228e02f1aSVikas Chaudhary static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 69231e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 69241e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 69251e9e2be3SAdheer Chandravanshi { 69261e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 69271e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 69281e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 69291e9e2be3SAdheer Chandravanshi 69301e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 69311e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 69321e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 69331e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 69341e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 69351e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 69361e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 69371e9e2be3SAdheer Chandravanshi } 69381e9e2be3SAdheer Chandravanshi 69391e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 69401e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 69411e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 69421e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 69431e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 69441e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 69451e9e2be3SAdheer Chandravanshi goto free_sess; 69461e9e2be3SAdheer Chandravanshi } 69471e9e2be3SAdheer Chandravanshi 69481e9e2be3SAdheer Chandravanshi if (user) { 69491e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 69501e9e2be3SAdheer Chandravanshi } else { 69511e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 69521e9e2be3SAdheer Chandravanshi 69531e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 69541e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 69551e9e2be3SAdheer Chandravanshi else 69561e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 69571e9e2be3SAdheer Chandravanshi } 69581e9e2be3SAdheer Chandravanshi 69591e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 69601e9e2be3SAdheer Chandravanshi fw_ddb_entry); 69611e9e2be3SAdheer Chandravanshi 69621e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 69631e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 69641e9e2be3SAdheer Chandravanshi 69651e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 69661e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 69671e9e2be3SAdheer Chandravanshi 69681e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 69691e9e2be3SAdheer Chandravanshi 69701e9e2be3SAdheer Chandravanshi free_sess: 69711e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 69721e9e2be3SAdheer Chandravanshi 69731e9e2be3SAdheer Chandravanshi exit_tgt_create: 69741e9e2be3SAdheer Chandravanshi return QLA_ERROR; 69751e9e2be3SAdheer Chandravanshi } 69761e9e2be3SAdheer Chandravanshi 69771e9e2be3SAdheer Chandravanshi /** 69781e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 69791e9e2be3SAdheer Chandravanshi * @shost: pointer to host 69801e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 69811e9e2be3SAdheer Chandravanshi * @len: length of buf 69821e9e2be3SAdheer Chandravanshi * 69831e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 69841e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 69851e9e2be3SAdheer Chandravanshi **/ 69861e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 69871e9e2be3SAdheer Chandravanshi int len) 69881e9e2be3SAdheer Chandravanshi { 69891e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 69901e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 69911e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 69921e9e2be3SAdheer Chandravanshi struct device *dev; 69931e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 69941e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 69951e9e2be3SAdheer Chandravanshi uint32_t options = 0; 69961e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 69971e9e2be3SAdheer Chandravanshi 6998c962c18bSAdheer Chandravanshi if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && 6999c962c18bSAdheer Chandravanshi strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { 70001e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 70011e9e2be3SAdheer Chandravanshi __func__)); 70021e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 70031e9e2be3SAdheer Chandravanshi } 70041e9e2be3SAdheer Chandravanshi 7005a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 70061e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 70071e9e2be3SAdheer Chandravanshi 70081e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 70091e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 70101e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 70111e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 70121e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 70131e9e2be3SAdheer Chandravanshi __func__)); 70141e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 70151e9e2be3SAdheer Chandravanshi } 70161e9e2be3SAdheer Chandravanshi 70171e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 70181e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 70191e9e2be3SAdheer Chandravanshi if (dev) { 70201e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 70211e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 70221e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 70238526cb11SMike Christie put_device(dev); 70241e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 70251e9e2be3SAdheer Chandravanshi } 70261e9e2be3SAdheer Chandravanshi 702799937574SAdheer Chandravanshi /* Index 0 and 1 are reserved for boot target entries */ 702899937574SAdheer Chandravanshi for (idx = 2; idx < max_ddbs; idx++) { 70291e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 70301e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 70311e9e2be3SAdheer Chandravanshi break; 70321e9e2be3SAdheer Chandravanshi } 70331e9e2be3SAdheer Chandravanshi 70341e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 70351e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 70361e9e2be3SAdheer Chandravanshi 70371e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 70381e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 70391e9e2be3SAdheer Chandravanshi 70401e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 70411e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 70421e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 70431e9e2be3SAdheer Chandravanshi 70441e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 70451e9e2be3SAdheer Chandravanshi 70461e9e2be3SAdheer Chandravanshi exit_ddb_add: 70471e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 70481e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 70491e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 70501e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 70511e9e2be3SAdheer Chandravanshi return idx; 70521e9e2be3SAdheer Chandravanshi else 70531e9e2be3SAdheer Chandravanshi return -EIO; 70541e9e2be3SAdheer Chandravanshi } 70551e9e2be3SAdheer Chandravanshi 70561e9e2be3SAdheer Chandravanshi /** 70571e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 70581e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 70591e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 70601e9e2be3SAdheer Chandravanshi * 70611e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 70621e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 70631e9e2be3SAdheer Chandravanshi **/ 70641e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 70651e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 70661e9e2be3SAdheer Chandravanshi { 70671e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 70681e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 70691e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 70701e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 70711e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 70721e9e2be3SAdheer Chandravanshi uint32_t options = 0; 70731e9e2be3SAdheer Chandravanshi int rval = 0; 70741e9e2be3SAdheer Chandravanshi 70751e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 70761e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 70771e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 70781e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 70791e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 70801e9e2be3SAdheer Chandravanshi __func__)); 70811e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 70821e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 70831e9e2be3SAdheer Chandravanshi } 70841e9e2be3SAdheer Chandravanshi 7085c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 70861e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 70871e9e2be3SAdheer Chandravanshi 70881e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 70891e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 70901e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 70911e9e2be3SAdheer Chandravanshi 70921e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 70931e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 70941e9e2be3SAdheer Chandravanshi 70951e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 70961e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 70971e9e2be3SAdheer Chandravanshi 70981e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 70991e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 71001e9e2be3SAdheer Chandravanshi 71011e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 71021e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 71031e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 71041e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 71051e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 71061e9e2be3SAdheer Chandravanshi } else { 71071e9e2be3SAdheer Chandravanshi rval = -EIO; 71081e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 71091e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 71101e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 71111e9e2be3SAdheer Chandravanshi } 71121e9e2be3SAdheer Chandravanshi 71131e9e2be3SAdheer Chandravanshi exit_ddb_apply: 71141e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 71151e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 71161e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 71171e9e2be3SAdheer Chandravanshi return rval; 71181e9e2be3SAdheer Chandravanshi } 71191e9e2be3SAdheer Chandravanshi 71201e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 71211e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 71221e9e2be3SAdheer Chandravanshi uint16_t idx) 71231e9e2be3SAdheer Chandravanshi { 71241e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 71251e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 71261e9e2be3SAdheer Chandravanshi unsigned long wtime; 71271e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 71281e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 71291e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 71301e9e2be3SAdheer Chandravanshi int ret = 0; 71311e9e2be3SAdheer Chandravanshi 71321e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 71331e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 71341e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 71351e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 71361e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 71371e9e2be3SAdheer Chandravanshi __func__)); 71381e9e2be3SAdheer Chandravanshi return QLA_ERROR; 71391e9e2be3SAdheer Chandravanshi } 71401e9e2be3SAdheer Chandravanshi 71411e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 71421e9e2be3SAdheer Chandravanshi 71431e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 71441e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 71451e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 71461e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 71471e9e2be3SAdheer Chandravanshi __func__, idx)); 71481e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 71491e9e2be3SAdheer Chandravanshi } 71501e9e2be3SAdheer Chandravanshi 71511e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 71521e9e2be3SAdheer Chandravanshi 71531e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 71541e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 71551e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 71561e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 71571e9e2be3SAdheer Chandravanshi 71581e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 71591e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 71601e9e2be3SAdheer Chandravanshi 71611e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 71621e9e2be3SAdheer Chandravanshi do { 71631e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 71641e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 71651e9e2be3SAdheer Chandravanshi NULL); 71661e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71671e9e2be3SAdheer Chandravanshi continue; 71681e9e2be3SAdheer Chandravanshi 71691e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 71701e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 71711e9e2be3SAdheer Chandravanshi break; 71721e9e2be3SAdheer Chandravanshi 71731e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 71741e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 71751e9e2be3SAdheer Chandravanshi 71761e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 71771e9e2be3SAdheer Chandravanshi if (ddb_entry) 71781e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 71791e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 71801e9e2be3SAdheer Chandravanshi return ret; 71811e9e2be3SAdheer Chandravanshi } 71821e9e2be3SAdheer Chandravanshi 71831e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 7184ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 7185ad8bd45eSManish Rangankar uint16_t target_id) 71861e9e2be3SAdheer Chandravanshi { 71871e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 71881e9e2be3SAdheer Chandravanshi struct list_head list_nt; 71891e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 71901e9e2be3SAdheer Chandravanshi int ret = 0; 71911e9e2be3SAdheer Chandravanshi 71921e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 71931e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 71941e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 71951e9e2be3SAdheer Chandravanshi return QLA_ERROR; 71961e9e2be3SAdheer Chandravanshi } 71971e9e2be3SAdheer Chandravanshi 71981e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 71991e9e2be3SAdheer Chandravanshi 72001e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 72011e9e2be3SAdheer Chandravanshi 72021e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 72031e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 72041e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 72051e9e2be3SAdheer Chandravanshi 72061e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 72071e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 72081e9e2be3SAdheer Chandravanshi goto exit_login_st; 72091e9e2be3SAdheer Chandravanshi 7210ad8bd45eSManish Rangankar qla4xxx_build_new_nt_list(ha, &list_nt, target_id); 72111e9e2be3SAdheer Chandravanshi 72121e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 72131e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 72141e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 72151e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 72161e9e2be3SAdheer Chandravanshi } 72171e9e2be3SAdheer Chandravanshi 72181e9e2be3SAdheer Chandravanshi exit_login_st: 72191e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 72201e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72211e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 72221e9e2be3SAdheer Chandravanshi } 72231e9e2be3SAdheer Chandravanshi 72241e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 72251e9e2be3SAdheer Chandravanshi 72261e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 72271e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 72281e9e2be3SAdheer Chandravanshi return ret; 72291e9e2be3SAdheer Chandravanshi } 72301e9e2be3SAdheer Chandravanshi 72311e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 72321e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 72331e9e2be3SAdheer Chandravanshi uint16_t idx) 72341e9e2be3SAdheer Chandravanshi { 72351e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 72361e9e2be3SAdheer Chandravanshi 7237ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 72381e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 72391e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 72401e9e2be3SAdheer Chandravanshi idx); 72411e9e2be3SAdheer Chandravanshi else 72421e9e2be3SAdheer Chandravanshi ret = -EPERM; 72431e9e2be3SAdheer Chandravanshi 72441e9e2be3SAdheer Chandravanshi return ret; 72451e9e2be3SAdheer Chandravanshi } 72461e9e2be3SAdheer Chandravanshi 72471e9e2be3SAdheer Chandravanshi /** 72481e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 72491e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 72501e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 72511e9e2be3SAdheer Chandravanshi * 72521e9e2be3SAdheer Chandravanshi * This logs in to the specified target 72531e9e2be3SAdheer Chandravanshi **/ 72541e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 72551e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 72561e9e2be3SAdheer Chandravanshi { 72571e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 72581e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 72591e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 72601e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 72611e9e2be3SAdheer Chandravanshi uint32_t options = 0; 72621e9e2be3SAdheer Chandravanshi int ret = 0; 72631e9e2be3SAdheer Chandravanshi 72641e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 72651e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72661e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 72671e9e2be3SAdheer Chandravanshi ret = -EIO; 72681e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 72691e9e2be3SAdheer Chandravanshi } 72701e9e2be3SAdheer Chandravanshi 72711e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 72721e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 72731e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 72741e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 72751e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 72761e9e2be3SAdheer Chandravanshi __func__)); 72771e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 72781e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 72791e9e2be3SAdheer Chandravanshi } 72801e9e2be3SAdheer Chandravanshi 7281c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 72821e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 72831e9e2be3SAdheer Chandravanshi 72841e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 72851e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 72861e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 72871e9e2be3SAdheer Chandravanshi 72881e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 72891e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 72901e9e2be3SAdheer Chandravanshi 72911e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 7292ad8bd45eSManish Rangankar ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, 7293ad8bd45eSManish Rangankar fnode_sess->target_id); 72941e9e2be3SAdheer Chandravanshi else 72951e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 72961e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 72971e9e2be3SAdheer Chandravanshi 72981e9e2be3SAdheer Chandravanshi if (ret > 0) 72991e9e2be3SAdheer Chandravanshi ret = -EIO; 73001e9e2be3SAdheer Chandravanshi 73011e9e2be3SAdheer Chandravanshi exit_ddb_login: 73021e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73031e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73041e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73051e9e2be3SAdheer Chandravanshi return ret; 73061e9e2be3SAdheer Chandravanshi } 73071e9e2be3SAdheer Chandravanshi 73081e9e2be3SAdheer Chandravanshi /** 73091e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 73101e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 73111e9e2be3SAdheer Chandravanshi * 73121e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 73131e9e2be3SAdheer Chandravanshi **/ 73141e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 73151e9e2be3SAdheer Chandravanshi { 73161e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 73171e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 73181e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 73191e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 73201e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 73211e9e2be3SAdheer Chandravanshi unsigned long flags; 73221e9e2be3SAdheer Chandravanshi unsigned long wtime; 73231e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 73241e9e2be3SAdheer Chandravanshi int options; 73251e9e2be3SAdheer Chandravanshi int ret = 0; 73261e9e2be3SAdheer Chandravanshi 73271e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 73281e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 73291e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 73301e9e2be3SAdheer Chandravanshi 73311e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 73321e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 73331e9e2be3SAdheer Chandravanshi __func__); 73341e9e2be3SAdheer Chandravanshi ret = -ENXIO; 73351e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 73361e9e2be3SAdheer Chandravanshi } 73371e9e2be3SAdheer Chandravanshi 733837719c2aSAdheer Chandravanshi if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 733937719c2aSAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 734037719c2aSAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 734137719c2aSAdheer Chandravanshi __func__); 734237719c2aSAdheer Chandravanshi ret = -EPERM; 734337719c2aSAdheer Chandravanshi goto exit_ddb_logout; 734437719c2aSAdheer Chandravanshi } 734537719c2aSAdheer Chandravanshi 73461e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73471e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73481e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73491e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73501e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 73511e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 73521e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 73531e9e2be3SAdheer Chandravanshi } 73541e9e2be3SAdheer Chandravanshi 735599c6a33bSAdheer Chandravanshi if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 735699c6a33bSAdheer Chandravanshi goto ddb_logout_init; 735799c6a33bSAdheer Chandravanshi 735899c6a33bSAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 735999c6a33bSAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 736099c6a33bSAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 736199c6a33bSAdheer Chandravanshi NULL, NULL); 736299c6a33bSAdheer Chandravanshi if (ret == QLA_ERROR) 736399c6a33bSAdheer Chandravanshi goto ddb_logout_init; 736499c6a33bSAdheer Chandravanshi 736599c6a33bSAdheer Chandravanshi if (ddb_state == DDB_DS_SESSION_ACTIVE) 736699c6a33bSAdheer Chandravanshi goto ddb_logout_init; 736799c6a33bSAdheer Chandravanshi 736899c6a33bSAdheer Chandravanshi /* wait until next relogin is triggered using DF_RELOGIN and 736999c6a33bSAdheer Chandravanshi * clear DF_RELOGIN to avoid invocation of further relogin 737099c6a33bSAdheer Chandravanshi */ 737199c6a33bSAdheer Chandravanshi wtime = jiffies + (HZ * RELOGIN_TOV); 737299c6a33bSAdheer Chandravanshi do { 737399c6a33bSAdheer Chandravanshi if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) 737499c6a33bSAdheer Chandravanshi goto ddb_logout_init; 737599c6a33bSAdheer Chandravanshi 737699c6a33bSAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 737799c6a33bSAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 737899c6a33bSAdheer Chandravanshi 737999c6a33bSAdheer Chandravanshi ddb_logout_init: 738099c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 738199c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->relogin_timer, 0); 738299c6a33bSAdheer Chandravanshi 738399c6a33bSAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 738499c6a33bSAdheer Chandravanshi qla4xxx_session_logout_ddb(ha, ddb_entry, options); 738599c6a33bSAdheer Chandravanshi 738699c6a33bSAdheer Chandravanshi memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 73871e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 73881e9e2be3SAdheer Chandravanshi do { 73891e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 73901e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 73911e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 73921e9e2be3SAdheer Chandravanshi NULL, NULL); 73931e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 73941e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 73951e9e2be3SAdheer Chandravanshi 73961e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 73971e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 73981e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 73991e9e2be3SAdheer Chandravanshi 74001e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 74011e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 74021e9e2be3SAdheer Chandravanshi 74031e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 74041e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 74051e9e2be3SAdheer Chandravanshi /* 74061e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 74071e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 74081e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 74091e9e2be3SAdheer Chandravanshi * session 74101e9e2be3SAdheer Chandravanshi **/ 74111e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 74121e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 74131e9e2be3SAdheer Chandravanshi 74141e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 74151e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 741699c6a33bSAdheer Chandravanshi clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 74171e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 74181e9e2be3SAdheer Chandravanshi 74191e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 74201e9e2be3SAdheer Chandravanshi 742199c6a33bSAdheer Chandravanshi clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); 74221e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 74231e9e2be3SAdheer Chandravanshi 74241e9e2be3SAdheer Chandravanshi exit_ddb_logout: 74251e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 74261e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 74271e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 74281e9e2be3SAdheer Chandravanshi return ret; 74291e9e2be3SAdheer Chandravanshi } 74301e9e2be3SAdheer Chandravanshi 74311e9e2be3SAdheer Chandravanshi /** 74321e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 74331e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 74341e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 74351e9e2be3SAdheer Chandravanshi * 74361e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 74371e9e2be3SAdheer Chandravanshi **/ 74381e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 74391e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 74401e9e2be3SAdheer Chandravanshi { 74411e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 74421e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 74431e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 74441e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 74451e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 74461e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 74471e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 74481e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 74491e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 74501e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 74511e9e2be3SAdheer Chandravanshi int idx, index; 74521e9e2be3SAdheer Chandravanshi int status, ret = 0; 74531e9e2be3SAdheer Chandravanshi 74541e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 74551e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 74561e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 74571e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 74581e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 74591e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 74601e9e2be3SAdheer Chandravanshi } 74611e9e2be3SAdheer Chandravanshi 74621e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 74631e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 74641e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 74651e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 74661e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 74671e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 74681e9e2be3SAdheer Chandravanshi } 74691e9e2be3SAdheer Chandravanshi 74701e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 74711e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 74721e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 74731e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 74741e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 74751e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 74761e9e2be3SAdheer Chandravanshi } 74771e9e2be3SAdheer Chandravanshi 74781e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 74791e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 74801e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 74811e9e2be3SAdheer Chandravanshi __func__); 74821e9e2be3SAdheer Chandravanshi ret = -EPERM; 74831e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 74841e9e2be3SAdheer Chandravanshi } 74851e9e2be3SAdheer Chandravanshi 74861e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 74871e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 74881e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 74891e9e2be3SAdheer Chandravanshi __func__); 74901e9e2be3SAdheer Chandravanshi ret = -EPERM; 74911e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 74921e9e2be3SAdheer Chandravanshi } 74931e9e2be3SAdheer Chandravanshi 74941e9e2be3SAdheer Chandravanshi strncpy(flash_tddb->iscsi_name, fnode_sess->targetname, 74951e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 74961e9e2be3SAdheer Chandravanshi 7497c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 74981e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 74991e9e2be3SAdheer Chandravanshi else 75001e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 75011e9e2be3SAdheer Chandravanshi 75021e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 75031e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 75041e9e2be3SAdheer Chandravanshi 75051e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 75061e9e2be3SAdheer Chandravanshi 75071e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 75081e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 75091e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 75101e9e2be3SAdheer Chandravanshi continue; 75111e9e2be3SAdheer Chandravanshi 75121e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 75131e9e2be3SAdheer Chandravanshi continue; 75141e9e2be3SAdheer Chandravanshi 75151e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 75161e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 75171e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 75181e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 75191e9e2be3SAdheer Chandravanshi &conn_id); 75201e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 75211e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 75221e9e2be3SAdheer Chandravanshi break; 75231e9e2be3SAdheer Chandravanshi } 75241e9e2be3SAdheer Chandravanshi 75251e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 75261e9e2be3SAdheer Chandravanshi 75271e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 75281e9e2be3SAdheer Chandravanshi true); 75291e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 75301e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 75311e9e2be3SAdheer Chandravanshi break; 75321e9e2be3SAdheer Chandravanshi } 75331e9e2be3SAdheer Chandravanshi } 75341e9e2be3SAdheer Chandravanshi 75351e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 75361e9e2be3SAdheer Chandravanshi ret = -ESRCH; 75371e9e2be3SAdheer Chandravanshi 75381e9e2be3SAdheer Chandravanshi exit_ddb_logout: 75391e9e2be3SAdheer Chandravanshi if (flash_tddb) 75401e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 75411e9e2be3SAdheer Chandravanshi if (tmp_tddb) 75421e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 75431e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 75441e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 75451e9e2be3SAdheer Chandravanshi 75461e9e2be3SAdheer Chandravanshi return ret; 75471e9e2be3SAdheer Chandravanshi } 75481e9e2be3SAdheer Chandravanshi 75491e9e2be3SAdheer Chandravanshi static int 75501e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 75511e9e2be3SAdheer Chandravanshi int param, char *buf) 75521e9e2be3SAdheer Chandravanshi { 75531e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 75541e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 75551e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 75561e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 75571e9e2be3SAdheer Chandravanshi struct device *dev; 7558a2f76636SAdheer Chandravanshi int parent_type; 75591e9e2be3SAdheer Chandravanshi int rc = 0; 75601e9e2be3SAdheer Chandravanshi 75618526cb11SMike Christie dev = iscsi_find_flashnode_conn(fnode_sess); 75621e9e2be3SAdheer Chandravanshi if (!dev) 75631e9e2be3SAdheer Chandravanshi return -EIO; 75641e9e2be3SAdheer Chandravanshi 75651e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 75661e9e2be3SAdheer Chandravanshi 75671e9e2be3SAdheer Chandravanshi switch (param) { 75681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 75691e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 75701e9e2be3SAdheer Chandravanshi break; 75711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 75721e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 75731e9e2be3SAdheer Chandravanshi break; 75741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 75751e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 75761e9e2be3SAdheer Chandravanshi break; 75771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 75781e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 75791e9e2be3SAdheer Chandravanshi break; 75801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 75811e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 75821e9e2be3SAdheer Chandravanshi break; 75831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 75841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 75851e9e2be3SAdheer Chandravanshi break; 75861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 75871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 75881e9e2be3SAdheer Chandravanshi break; 75891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 75901e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 75911e9e2be3SAdheer Chandravanshi break; 75921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 75931e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 75941e9e2be3SAdheer Chandravanshi break; 75951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 75961e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 75971e9e2be3SAdheer Chandravanshi break; 75981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 75991e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 76001e9e2be3SAdheer Chandravanshi break; 76011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 76021e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 76031e9e2be3SAdheer Chandravanshi break; 76041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 76051e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 76061e9e2be3SAdheer Chandravanshi break; 76071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 76081e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 76091e9e2be3SAdheer Chandravanshi break; 76101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 76111e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 76121e9e2be3SAdheer Chandravanshi break; 76131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 76141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 76151e9e2be3SAdheer Chandravanshi break; 76161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 76171e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 76181e9e2be3SAdheer Chandravanshi break; 76191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 76201e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 76211e9e2be3SAdheer Chandravanshi break; 76221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 76231e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 76241e9e2be3SAdheer Chandravanshi break; 76251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 76261e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 76271e9e2be3SAdheer Chandravanshi break; 76281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 76291e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 76301e9e2be3SAdheer Chandravanshi break; 76311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 76321e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 76331e9e2be3SAdheer Chandravanshi break; 76341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 76351e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 76361e9e2be3SAdheer Chandravanshi break; 76371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 76381e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 76391e9e2be3SAdheer Chandravanshi break; 76401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 76411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 76421e9e2be3SAdheer Chandravanshi break; 76431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 76441e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 76451e9e2be3SAdheer Chandravanshi break; 76461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 76471e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 76481e9e2be3SAdheer Chandravanshi break; 76491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 76501e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 76511e9e2be3SAdheer Chandravanshi break; 76521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 76531e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 76541e9e2be3SAdheer Chandravanshi break; 76551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 76561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 76571e9e2be3SAdheer Chandravanshi break; 76581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 76591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n", 76601e9e2be3SAdheer Chandravanshi fnode_sess->isid[0], fnode_sess->isid[1], 76611e9e2be3SAdheer Chandravanshi fnode_sess->isid[2], fnode_sess->isid[3], 76621e9e2be3SAdheer Chandravanshi fnode_sess->isid[4], fnode_sess->isid[5]); 76631e9e2be3SAdheer Chandravanshi break; 76641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 76651e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 76661e9e2be3SAdheer Chandravanshi break; 76671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 76681e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 76691e9e2be3SAdheer Chandravanshi break; 76701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 76711e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 76721e9e2be3SAdheer Chandravanshi break; 76731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 76741e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 76751e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 76761e9e2be3SAdheer Chandravanshi break; 76771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 7678c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 76791e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 76801e9e2be3SAdheer Chandravanshi else 76811e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 76821e9e2be3SAdheer Chandravanshi break; 76831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 76841e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 76851e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 76861e9e2be3SAdheer Chandravanshi else 76871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 76881e9e2be3SAdheer Chandravanshi break; 76891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 7690c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 76911e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 76921e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 76931e9e2be3SAdheer Chandravanshi else 76941e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 76951e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 76961e9e2be3SAdheer Chandravanshi break; 76971e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 76981e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 76991e9e2be3SAdheer Chandravanshi break; 77001e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 77011e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 77021e9e2be3SAdheer Chandravanshi break; 77031e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 77041e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 77051e9e2be3SAdheer Chandravanshi break; 77061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 7707c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 77081e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 77091e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 77101e9e2be3SAdheer Chandravanshi else 77111e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 77121e9e2be3SAdheer Chandravanshi break; 77131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 77141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 77151e9e2be3SAdheer Chandravanshi break; 77161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 7717c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 77181e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 77191e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 77201e9e2be3SAdheer Chandravanshi else 77211e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 77221e9e2be3SAdheer Chandravanshi break; 77231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 7724a2f76636SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); 77251e9e2be3SAdheer Chandravanshi break; 77261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 77271e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 77281e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 77291e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 77301e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 7731b6130ceaSVikas Chaudhary else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 77321e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 77331e9e2be3SAdheer Chandravanshi else 77341e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 77351e9e2be3SAdheer Chandravanshi 77361e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 77371e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 77381e9e2be3SAdheer Chandravanshi break; 77391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 77401e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 77411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 77421e9e2be3SAdheer Chandravanshi else 77431e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 77441e9e2be3SAdheer Chandravanshi break; 77451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 77461e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 77471e9e2be3SAdheer Chandravanshi break; 77481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 77491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 77501e9e2be3SAdheer Chandravanshi break; 77511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 77521e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 77531e9e2be3SAdheer Chandravanshi break; 77541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 77551e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 77561e9e2be3SAdheer Chandravanshi break; 77571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 77581e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 77591e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 77601e9e2be3SAdheer Chandravanshi chap_tbl.name, 77611e9e2be3SAdheer Chandravanshi chap_tbl.secret, 77621e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 77631e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 77641e9e2be3SAdheer Chandravanshi } else { 77651e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 77661e9e2be3SAdheer Chandravanshi } 77671e9e2be3SAdheer Chandravanshi break; 77681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 77691e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 77701e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 77711e9e2be3SAdheer Chandravanshi chap_tbl.name, 77721e9e2be3SAdheer Chandravanshi chap_tbl.secret, 77731e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 77741e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 77751e9e2be3SAdheer Chandravanshi } else { 77761e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 77771e9e2be3SAdheer Chandravanshi } 77781e9e2be3SAdheer Chandravanshi break; 77791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 77801e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 77811e9e2be3SAdheer Chandravanshi break; 77821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 77831e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 77841e9e2be3SAdheer Chandravanshi break; 77851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 77861e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 77871e9e2be3SAdheer Chandravanshi break; 77881e9e2be3SAdheer Chandravanshi default: 77891e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 77901e9e2be3SAdheer Chandravanshi break; 77911e9e2be3SAdheer Chandravanshi } 77928526cb11SMike Christie 77938526cb11SMike Christie put_device(dev); 77941e9e2be3SAdheer Chandravanshi return rc; 77951e9e2be3SAdheer Chandravanshi } 77961e9e2be3SAdheer Chandravanshi 77971e9e2be3SAdheer Chandravanshi /** 77981e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 77991e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 78001e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 78011e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 78021e9e2be3SAdheer Chandravanshi * @len: len of data 78031e9e2be3SAdheer Chandravanshi * 78041e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 78051e9e2be3SAdheer Chandravanshi **/ 78061e9e2be3SAdheer Chandravanshi static int 78071e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 78081e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 78091e9e2be3SAdheer Chandravanshi void *data, int len) 78101e9e2be3SAdheer Chandravanshi { 78111e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 78121e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 78131e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 7814244c079bSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 78151e9e2be3SAdheer Chandravanshi struct nlattr *attr; 7816244c079bSAdheer Chandravanshi uint16_t chap_out_idx = INVALID_ENTRY; 78171e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 78181e9e2be3SAdheer Chandravanshi uint32_t rem = len; 78191e9e2be3SAdheer Chandravanshi 7820244c079bSAdheer Chandravanshi memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); 78211e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 78221e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 78231e9e2be3SAdheer Chandravanshi 78241e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 78251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 78261e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 78271e9e2be3SAdheer Chandravanshi break; 78281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 78291e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 78301e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 78311e9e2be3SAdheer Chandravanshi break; 78321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 78331e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 78341e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 78351e9e2be3SAdheer Chandravanshi break; 78361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 78371e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 78381e9e2be3SAdheer Chandravanshi break; 78391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 78401e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 78411e9e2be3SAdheer Chandravanshi break; 78421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 78431e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 78441e9e2be3SAdheer Chandravanshi break; 78451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 78461e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 78471e9e2be3SAdheer Chandravanshi break; 78481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 78491e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 78501e9e2be3SAdheer Chandravanshi break; 78511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 78521e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 78531e9e2be3SAdheer Chandravanshi break; 78541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 78551e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 78561e9e2be3SAdheer Chandravanshi break; 78571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 78581e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 78591e9e2be3SAdheer Chandravanshi break; 78601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 78611e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 7862244c079bSAdheer Chandravanshi /* Invalidate chap index if chap auth is disabled */ 7863244c079bSAdheer Chandravanshi if (!fnode_sess->chap_auth_en) 7864244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = INVALID_ENTRY; 7865244c079bSAdheer Chandravanshi 78661e9e2be3SAdheer Chandravanshi break; 78671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 78681e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 78691e9e2be3SAdheer Chandravanshi break; 78701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 78711e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 78721e9e2be3SAdheer Chandravanshi break; 78731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 78741e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 78751e9e2be3SAdheer Chandravanshi break; 78761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 78771e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 78781e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 78791e9e2be3SAdheer Chandravanshi break; 78801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 78811e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 78821e9e2be3SAdheer Chandravanshi break; 78831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 78841e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 78851e9e2be3SAdheer Chandravanshi break; 78861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 78871e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 78881e9e2be3SAdheer Chandravanshi break; 78891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 78901e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 78911e9e2be3SAdheer Chandravanshi break; 78921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 78931e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 78941e9e2be3SAdheer Chandravanshi break; 78951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 78961e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 78971e9e2be3SAdheer Chandravanshi break; 78981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 78991e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 79001e9e2be3SAdheer Chandravanshi break; 79011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 79021e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 79031e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 79041e9e2be3SAdheer Chandravanshi break; 79051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 79061e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 79071e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 79081e9e2be3SAdheer Chandravanshi break; 79091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 79101e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 79111e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 79121e9e2be3SAdheer Chandravanshi break; 79131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 79141e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 79151e9e2be3SAdheer Chandravanshi break; 79161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 79171e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 79181e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 79191e9e2be3SAdheer Chandravanshi break; 79201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 79211e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 79221e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 79231e9e2be3SAdheer Chandravanshi break; 79241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 79251e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 79261e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 79271e9e2be3SAdheer Chandravanshi break; 79281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 79291e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 79301e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 79311e9e2be3SAdheer Chandravanshi break; 79321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 79331e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 79341e9e2be3SAdheer Chandravanshi break; 79351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 79361e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 79371e9e2be3SAdheer Chandravanshi break; 79381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 79391e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 79401e9e2be3SAdheer Chandravanshi break; 79411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 79421e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 79431e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 79441e9e2be3SAdheer Chandravanshi break; 79451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 79461e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 79471e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 79481e9e2be3SAdheer Chandravanshi break; 79491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 79501e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 79511e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 79521e9e2be3SAdheer Chandravanshi break; 79531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 79541e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 79551e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 79561e9e2be3SAdheer Chandravanshi break; 79571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 79581e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 79591e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 79601e9e2be3SAdheer Chandravanshi break; 79611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 79621e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 79631e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 79641e9e2be3SAdheer Chandravanshi break; 79651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 79661e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 79671e9e2be3SAdheer Chandravanshi break; 79681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 79691e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 79701e9e2be3SAdheer Chandravanshi break; 79711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 79721e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 79731e9e2be3SAdheer Chandravanshi break; 79741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 79751e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 79761e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 79771e9e2be3SAdheer Chandravanshi break; 79781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 79791e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 79801e9e2be3SAdheer Chandravanshi break; 79811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 79821e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 79831e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 79841e9e2be3SAdheer Chandravanshi break; 798565560166SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 798665560166SAdheer Chandravanshi fnode_sess->discovery_parent_idx = 79871e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 79881e9e2be3SAdheer Chandravanshi break; 79891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 79901e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 79911e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 79921e9e2be3SAdheer Chandravanshi break; 79931e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 79941e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 79951e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 79961e9e2be3SAdheer Chandravanshi break; 79971e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 79981e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 79991e9e2be3SAdheer Chandravanshi break; 80001e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 80011e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 80021e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 80031e9e2be3SAdheer Chandravanshi break; 8004244c079bSAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 8005244c079bSAdheer Chandravanshi chap_out_idx = *(uint16_t *)fnode_param->value; 8006244c079bSAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, 8007244c079bSAdheer Chandravanshi chap_tbl.name, 8008244c079bSAdheer Chandravanshi chap_tbl.secret, 8009244c079bSAdheer Chandravanshi chap_out_idx)) { 8010244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = chap_out_idx; 8011244c079bSAdheer Chandravanshi /* Enable chap auth if chap index is valid */ 8012244c079bSAdheer Chandravanshi fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; 8013244c079bSAdheer Chandravanshi } 8014244c079bSAdheer Chandravanshi break; 80151e9e2be3SAdheer Chandravanshi default: 80161e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 80171e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 80181e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 80191e9e2be3SAdheer Chandravanshi goto exit_set_param; 80201e9e2be3SAdheer Chandravanshi } 80211e9e2be3SAdheer Chandravanshi } 80221e9e2be3SAdheer Chandravanshi 80231e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 80241e9e2be3SAdheer Chandravanshi 80251e9e2be3SAdheer Chandravanshi exit_set_param: 80261e9e2be3SAdheer Chandravanshi return rc; 80271e9e2be3SAdheer Chandravanshi } 80281e9e2be3SAdheer Chandravanshi 80291e9e2be3SAdheer Chandravanshi /** 80301e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 80311e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 80321e9e2be3SAdheer Chandravanshi * 80331e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 80341e9e2be3SAdheer Chandravanshi **/ 80351e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 80361e9e2be3SAdheer Chandravanshi { 80371e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 80381e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 80391e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 80401e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 80411e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 80421e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 80431e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 8044b6130ceaSVikas Chaudhary size_t ddb_size = 0; 8045039acc1eSAdheer Chandravanshi void *pddb = NULL; 80461e9e2be3SAdheer Chandravanshi int target_id; 80471e9e2be3SAdheer Chandravanshi int rc = 0; 80481e9e2be3SAdheer Chandravanshi 80491e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 80501e9e2be3SAdheer Chandravanshi rc = -EPERM; 80511e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 80521e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 80531e9e2be3SAdheer Chandravanshi __func__)); 80541e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 80551e9e2be3SAdheer Chandravanshi } 80561e9e2be3SAdheer Chandravanshi 80571e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 80581e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 80591e9e2be3SAdheer Chandravanshi 80601e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 80611e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 8062039acc1eSAdheer Chandravanshi dev_db_end_offset = FLASH_OFFSET_DB_END; 8063039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8064039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 8065039acc1eSAdheer Chandravanshi ddb_size = sizeof(*fw_ddb_entry); 80661e9e2be3SAdheer Chandravanshi } else { 80671e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 80681e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 80691e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 80701e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 80711e9e2be3SAdheer Chandravanshi */ 80721e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 80731e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 80741e9e2be3SAdheer Chandravanshi 8075039acc1eSAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + 8076039acc1eSAdheer Chandravanshi (ha->hw.flt_ddb_size / 2); 8077039acc1eSAdheer Chandravanshi 8078039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8079039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 80801bcb5619SAdheer Chandravanshi dev_db_start_offset += offsetof(struct dev_db_entry, cookie); 80811e9e2be3SAdheer Chandravanshi 8082039acc1eSAdheer Chandravanshi ddb_size = sizeof(*ddb_cookie); 8083039acc1eSAdheer Chandravanshi } 8084039acc1eSAdheer Chandravanshi 80851e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 80861e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 80871e9e2be3SAdheer Chandravanshi 80881e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 80891e9e2be3SAdheer Chandravanshi rc = -EIO; 80901e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 80911e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 80921e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 80931e9e2be3SAdheer Chandravanshi } 80941e9e2be3SAdheer Chandravanshi 8095039acc1eSAdheer Chandravanshi pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, 8096039acc1eSAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 8097039acc1eSAdheer Chandravanshi if (!pddb) { 8098039acc1eSAdheer Chandravanshi rc = -ENOMEM; 8099039acc1eSAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 8100039acc1eSAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 8101039acc1eSAdheer Chandravanshi __func__)); 8102039acc1eSAdheer Chandravanshi goto exit_ddb_del; 8103039acc1eSAdheer Chandravanshi } 8104039acc1eSAdheer Chandravanshi 8105039acc1eSAdheer Chandravanshi if (is_qla40XX(ha)) { 8106039acc1eSAdheer Chandravanshi fw_ddb_entry = pddb; 8107039acc1eSAdheer Chandravanshi memset(fw_ddb_entry, 0, ddb_size); 8108039acc1eSAdheer Chandravanshi ddb_cookie = &fw_ddb_entry->cookie; 8109039acc1eSAdheer Chandravanshi } else { 8110039acc1eSAdheer Chandravanshi ddb_cookie = pddb; 8111039acc1eSAdheer Chandravanshi } 8112039acc1eSAdheer Chandravanshi 81131e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 81141e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 81151e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 8116039acc1eSAdheer Chandravanshi ddb_size, FLASH_OPT_RMW_COMMIT); 81171e9e2be3SAdheer Chandravanshi 81181e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 81191e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 81201e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 81211e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 81221e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 81231e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 81241e9e2be3SAdheer Chandravanshi exit_ddb_del: 8125039acc1eSAdheer Chandravanshi if (pddb) 8126039acc1eSAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, 8127039acc1eSAdheer Chandravanshi fw_ddb_entry_dma); 81281e9e2be3SAdheer Chandravanshi return rc; 81291e9e2be3SAdheer Chandravanshi } 81301e9e2be3SAdheer Chandravanshi 81311e9e2be3SAdheer Chandravanshi /** 81321e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 81331e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 81341e9e2be3SAdheer Chandravanshi * 81351e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 81361e9e2be3SAdheer Chandravanshi **/ 81371e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 81381e9e2be3SAdheer Chandravanshi { 81391e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 81401e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 81411e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 81421e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 81431e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 81441e9e2be3SAdheer Chandravanshi 81451e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 81461e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 81471e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 81481e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 81491e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 81501e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 81511e9e2be3SAdheer Chandravanshi __func__)); 81521e9e2be3SAdheer Chandravanshi return -ENOMEM; 81531e9e2be3SAdheer Chandravanshi } 81541e9e2be3SAdheer Chandravanshi 8155a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 81561e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 81571e9e2be3SAdheer Chandravanshi 81581e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 81591e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 81601e9e2be3SAdheer Chandravanshi idx)) 81611e9e2be3SAdheer Chandravanshi continue; 81621e9e2be3SAdheer Chandravanshi 81631e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 81641e9e2be3SAdheer Chandravanshi if (ret) { 81651e9e2be3SAdheer Chandravanshi ret = -EIO; 81661e9e2be3SAdheer Chandravanshi break; 81671e9e2be3SAdheer Chandravanshi } 81681e9e2be3SAdheer Chandravanshi } 81691e9e2be3SAdheer Chandravanshi 81701e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 81711e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 81721e9e2be3SAdheer Chandravanshi 81731e9e2be3SAdheer Chandravanshi return ret; 81741e9e2be3SAdheer Chandravanshi } 81751e9e2be3SAdheer Chandravanshi 81761e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 81771e9e2be3SAdheer Chandravanshi { 81781e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 81791e9e2be3SAdheer Chandravanshi } 81801e9e2be3SAdheer Chandravanshi 81814a4bc2e9SLalit Chandivade /** 81824a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 81834a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 81844a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 81854a4bc2e9SLalit Chandivade * 81864a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 81874a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 81884a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 81894a4bc2e9SLalit Chandivade * objects. 81904a4bc2e9SLalit Chandivade **/ 81914a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 81924a4bc2e9SLalit Chandivade { 81934a4bc2e9SLalit Chandivade uint16_t tmo = 0; 81944a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 81954a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 81964a4bc2e9SLalit Chandivade unsigned long wtime; 81974a4bc2e9SLalit Chandivade 81984a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 81994a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 82004a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 82014a4bc2e9SLalit Chandivade return; 82024a4bc2e9SLalit Chandivade } 82034a4bc2e9SLalit Chandivade 82044a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 82054a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 82064a4bc2e9SLalit Chandivade 82074a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 82084a4bc2e9SLalit Chandivade 820913483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 821013483730SMike Christie * Note, conn open fails if IPs are not configured 821113483730SMike Christie */ 821213483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 821313483730SMike Christie 821413483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 821513483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 821613483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 821713483730SMike Christie } 821813483730SMike Christie 821913483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 8220c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 8221c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 8222c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 8223c28eaacaSNilesh Javali 822413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 822513483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 822613483730SMike Christie 822713483730SMike Christie wtime = jiffies + (HZ * tmo); 822813483730SMike Christie do { 8229f1f2e60eSNilesh Javali if (list_empty(&list_st)) 8230f1f2e60eSNilesh Javali break; 8231f1f2e60eSNilesh Javali 82324a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 823313483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 823413483730SMike Christie } while (time_after(wtime, jiffies)); 823513483730SMike Christie 8236ad8bd45eSManish Rangankar 8237ad8bd45eSManish Rangankar qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); 8238ad8bd45eSManish Rangankar 82394a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 82404a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 824113483730SMike Christie 824213483730SMike Christie qla4xxx_free_ddb_index(ha); 824313483730SMike Christie } 824413483730SMike Christie 8245afaf5a2dSDavid Somayajulu /** 82461dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 82471dc8ed5dSManish Rangankar * response. 82481dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 82491dc8ed5dSManish Rangankar * 82501dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 82511dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 82521dc8ed5dSManish Rangankar * probe. 82531dc8ed5dSManish Rangankar **/ 82541dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 82551dc8ed5dSManish Rangankar { 82561dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 82571dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 82581dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 82591dc8ed5dSManish Rangankar unsigned long wtime; 82601dc8ed5dSManish Rangankar uint32_t ddb_state; 82611dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 82621dc8ed5dSManish Rangankar 82631dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 82641dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 82651dc8ed5dSManish Rangankar 82661dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 82671dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 82681dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 82691dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 82701dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 82711dc8ed5dSManish Rangankar goto exit_login_resp; 82721dc8ed5dSManish Rangankar } 82731dc8ed5dSManish Rangankar 82741dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 82751dc8ed5dSManish Rangankar 82761dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 82771dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 82781dc8ed5dSManish Rangankar if (ddb_entry == NULL) 82791dc8ed5dSManish Rangankar continue; 82801dc8ed5dSManish Rangankar 82811dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 82821dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 82831dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 82841dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 82851dc8ed5dSManish Rangankar do { 82861dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 82871dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 82881dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 82891dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 82901dc8ed5dSManish Rangankar NULL, NULL); 82911dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 82921dc8ed5dSManish Rangankar goto exit_login_resp; 82931dc8ed5dSManish Rangankar 82941dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 82951dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 82961dc8ed5dSManish Rangankar break; 82971dc8ed5dSManish Rangankar 82981dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 82991dc8ed5dSManish Rangankar 83001dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 83011dc8ed5dSManish Rangankar 83021dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 83031dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 83041dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 83051dc8ed5dSManish Rangankar __func__)); 83061dc8ed5dSManish Rangankar goto exit_login_resp; 83071dc8ed5dSManish Rangankar } 83081dc8ed5dSManish Rangankar } 83091dc8ed5dSManish Rangankar } 83101dc8ed5dSManish Rangankar 83111dc8ed5dSManish Rangankar exit_login_resp: 83121dc8ed5dSManish Rangankar if (fw_ddb_entry) 83131dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 83141dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 83151dc8ed5dSManish Rangankar } 83161dc8ed5dSManish Rangankar 83171dc8ed5dSManish Rangankar /** 8318afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 8319afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 8320afaf5a2dSDavid Somayajulu * @pci_device_id: pointer to pci_device entry 8321afaf5a2dSDavid Somayajulu * 8322afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 8323afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 8324afaf5a2dSDavid Somayajulu * the driver. 8325afaf5a2dSDavid Somayajulu **/ 83266f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 8327afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 8328afaf5a2dSDavid Somayajulu { 8329afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 8330afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 8331afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8332afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 8333afaf5a2dSDavid Somayajulu char buf[34]; 8334f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 8335f9880e76SPrasanna Mumbai uint32_t dev_state; 8336afaf5a2dSDavid Somayajulu 8337afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 8338afaf5a2dSDavid Somayajulu return -1; 8339afaf5a2dSDavid Somayajulu 8340b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 8341afaf5a2dSDavid Somayajulu if (host == NULL) { 8342afaf5a2dSDavid Somayajulu printk(KERN_WARNING 8343afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 8344afaf5a2dSDavid Somayajulu goto probe_disable_device; 8345afaf5a2dSDavid Somayajulu } 8346afaf5a2dSDavid Somayajulu 8347afaf5a2dSDavid Somayajulu /* Clear our data area */ 8348b3a271a9SManish Rangankar ha = to_qla_host(host); 8349afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 8350afaf5a2dSDavid Somayajulu 8351afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 8352afaf5a2dSDavid Somayajulu ha->pdev = pdev; 8353afaf5a2dSDavid Somayajulu ha->host = host; 8354afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 83556e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 8356afaf5a2dSDavid Somayajulu 83572232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 83582232be0dSLalit Chandivade 8359f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 8360f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 83617664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 836233693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 8363f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 8364f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 8365f4f5df23SVikas Chaudhary ha->curr_window = 255; 8366f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 8367f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 8368f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 8369f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 8370f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 8371f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 8372b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 83736e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 83746e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 8375f4f5df23SVikas Chaudhary } else { 8376f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 8377f4f5df23SVikas Chaudhary } 8378f4f5df23SVikas Chaudhary 83796e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 83806e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 83816e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 83822232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 83832232be0dSLalit Chandivade pdev->needs_freset = 1; 83846e7b4292SVikas Chaudhary } 83852232be0dSLalit Chandivade 8386afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 8387f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 8388afaf5a2dSDavid Somayajulu if (ret) 8389f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 8390afaf5a2dSDavid Somayajulu 8391c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 8392afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 8393afaf5a2dSDavid Somayajulu 8394afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 8395afaf5a2dSDavid Somayajulu 8396afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 8397afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 8398afaf5a2dSDavid Somayajulu 8399afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 84004549415aSLalit Chandivade mutex_init(&ha->chap_sem); 8401f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 840295d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8403df86f771SVikas Chaudhary init_completion(&ha->idc_comp); 8404df86f771SVikas Chaudhary init_completion(&ha->link_up_comp); 8405df86f771SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8406afaf5a2dSDavid Somayajulu 8407afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 84088e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 8409afaf5a2dSDavid Somayajulu 8410ff884430SVikas Chaudhary /* Initialize work list */ 8411ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 8412ff884430SVikas Chaudhary 8413afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 8414afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 8415c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 8416afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 8417afaf5a2dSDavid Somayajulu 8418afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8419afaf5a2dSDavid Somayajulu goto probe_failed; 8420afaf5a2dSDavid Somayajulu } 8421afaf5a2dSDavid Somayajulu 8422b3a271a9SManish Rangankar host->cmd_per_lun = 3; 8423b3a271a9SManish Rangankar host->max_channel = 0; 8424b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 8425b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 8426b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 8427b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 8428b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 8429b3a271a9SManish Rangankar 8430b3a271a9SManish Rangankar ret = scsi_init_shared_tag_map(host, MAX_SRBS); 8431b3a271a9SManish Rangankar if (ret) { 8432b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 8433b3a271a9SManish Rangankar "%s: scsi_init_shared_tag_map failed\n", __func__); 8434b3a271a9SManish Rangankar goto probe_failed; 8435b3a271a9SManish Rangankar } 8436b3a271a9SManish Rangankar 8437b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 8438b3a271a9SManish Rangankar 8439b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 8440b3a271a9SManish Rangankar if (ret) 8441b3a271a9SManish Rangankar goto probe_failed; 8442b3a271a9SManish Rangankar 84436e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 84446e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 84456e7b4292SVikas Chaudhary 8446b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 84476e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 84486e7b4292SVikas Chaudhary /* 84496e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 84506e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 84516e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 84526e7b4292SVikas Chaudhary * should honor the reset. 84536e7b4292SVikas Chaudhary */ 84546e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 84556e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 84566e7b4292SVikas Chaudhary } 8457f4f5df23SVikas Chaudhary 8458afaf5a2dSDavid Somayajulu /* 8459afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 8460afaf5a2dSDavid Somayajulu * firmware 8461afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 8462afaf5a2dSDavid Somayajulu */ 846313483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 84647977f825SPoornima Vonti 84657977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 846617801c96SNilesh Javali if (is_qla80XX(ha) && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) { 846717801c96SNilesh Javali ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization\n", 846817801c96SNilesh Javali __func__); 84697977f825SPoornima Vonti goto skip_retry_init; 847017801c96SNilesh Javali } 84717977f825SPoornima Vonti 8472f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 8473f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 8474f9880e76SPrasanna Mumbai 84756e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 847633693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 847733693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 8478e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 847933693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8480de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 8481f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 8482f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 8483f9880e76SPrasanna Mumbai __func__); 8484f9880e76SPrasanna Mumbai break; 8485f9880e76SPrasanna Mumbai } 8486f9880e76SPrasanna Mumbai } 8487afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 8488afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 8489f4f5df23SVikas Chaudhary 8490f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 8491f4f5df23SVikas Chaudhary continue; 8492f4f5df23SVikas Chaudhary 849313483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 8494afaf5a2dSDavid Somayajulu } 8495f4f5df23SVikas Chaudhary 84967977f825SPoornima Vonti skip_retry_init: 8497f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 8498c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 8499afaf5a2dSDavid Somayajulu 85006e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 8501b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 8502b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 8503fe998527SLalit Chandivade /* Put the device in failed state. */ 8504fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 850533693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 850633693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8507de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 850833693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8509fe998527SLalit Chandivade } 8510afaf5a2dSDavid Somayajulu ret = -ENODEV; 8511b3a271a9SManish Rangankar goto remove_host; 8512afaf5a2dSDavid Somayajulu } 8513afaf5a2dSDavid Somayajulu 8514afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 8515afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 8516afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 8517afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 8518afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 8519afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 8520c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 8521afaf5a2dSDavid Somayajulu ret = -ENODEV; 8522b3a271a9SManish Rangankar goto remove_host; 8523afaf5a2dSDavid Somayajulu } 8524c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 8525afaf5a2dSDavid Somayajulu 8526d8537548SKees Cook ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, 8527d8537548SKees Cook ha->host_no); 8528b3a271a9SManish Rangankar if (!ha->task_wq) { 8529b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 8530b3a271a9SManish Rangankar ret = -ENODEV; 8531b3a271a9SManish Rangankar goto remove_host; 8532b3a271a9SManish Rangankar } 8533b3a271a9SManish Rangankar 85346e7b4292SVikas Chaudhary /* 85356e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 8536f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 8537f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 8538f4f5df23SVikas Chaudhary * mbx_intr_enable. 8539f4f5df23SVikas Chaudhary */ 8540ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 8541f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 8542afaf5a2dSDavid Somayajulu if (ret) { 8543f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 8544f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 8545b3a271a9SManish Rangankar goto remove_host; 8546afaf5a2dSDavid Somayajulu } 8547f4f5df23SVikas Chaudhary } 8548afaf5a2dSDavid Somayajulu 85492232be0dSLalit Chandivade pci_save_state(ha->pdev); 8550f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 8551afaf5a2dSDavid Somayajulu 8552afaf5a2dSDavid Somayajulu /* Start timer thread. */ 8553afaf5a2dSDavid Somayajulu qla4xxx_start_timer(ha, qla4xxx_timer, 1); 8554afaf5a2dSDavid Somayajulu 8555afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 8556afaf5a2dSDavid Somayajulu 8557068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 8558068237c8STej Parkash 8559afaf5a2dSDavid Somayajulu printk(KERN_INFO 8560afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 8561afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 8562afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 8563eee06a0fSAdheer Chandravanshi ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, 8564eee06a0fSAdheer Chandravanshi ha->fw_info.fw_patch, ha->fw_info.fw_build); 8565ed1086e0SVikas Chaudhary 8566cfb27874SManish Dusane /* Set the driver version */ 8567cfb27874SManish Dusane if (is_qla80XX(ha)) 8568cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 8569cfb27874SManish Dusane 85702a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 85713573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 85723573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 85732a991c21SManish Rangankar 85741e9e2be3SAdheer Chandravanshi if (qla4xxx_sysfs_ddb_export(ha)) 85751e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 85761e9e2be3SAdheer Chandravanshi "%s: Error exporting ddb to sysfs\n", __func__); 85771e9e2be3SAdheer Chandravanshi 857813483730SMike Christie /* Perform the build ddb list and login to each */ 857913483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 858013483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 85811dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 858213483730SMike Christie 858313483730SMike Christie qla4xxx_create_chap_list(ha); 858413483730SMike Christie 8585ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 8586afaf5a2dSDavid Somayajulu return 0; 8587afaf5a2dSDavid Somayajulu 8588b3a271a9SManish Rangankar remove_host: 8589b3a271a9SManish Rangankar scsi_remove_host(ha->host); 8590b3a271a9SManish Rangankar 8591afaf5a2dSDavid Somayajulu probe_failed: 8592afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8593f4f5df23SVikas Chaudhary 8594f4f5df23SVikas Chaudhary probe_failed_ioconfig: 85952232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8596afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8597afaf5a2dSDavid Somayajulu 8598afaf5a2dSDavid Somayajulu probe_disable_device: 8599afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 8600afaf5a2dSDavid Somayajulu 8601afaf5a2dSDavid Somayajulu return ret; 8602afaf5a2dSDavid Somayajulu } 8603afaf5a2dSDavid Somayajulu 8604afaf5a2dSDavid Somayajulu /** 86057eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 86067eece5a0SKaren Higgins * @ha: pointer to adapter structure 86077eece5a0SKaren Higgins * 86087eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 86097eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 86107eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 86117eece5a0SKaren Higgins **/ 86127eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 86137eece5a0SKaren Higgins { 86147eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 86157eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 86167eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 86177eece5a0SKaren Higgins 86187eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 86197eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 86207eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 86217eece5a0SKaren Higgins 86227eece5a0SKaren Higgins other_pdev = 86237eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 86247eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 86257eece5a0SKaren Higgins fn)); 86267eece5a0SKaren Higgins 86277eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 86287eece5a0SKaren Higgins if (other_pdev) { 86297eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 86307eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 86317eece5a0SKaren Higgins if (other_ha) { 86327eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 86337eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 86347eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 86357eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 86367eece5a0SKaren Higgins } 86377eece5a0SKaren Higgins } 86387eece5a0SKaren Higgins pci_dev_put(other_pdev); 86397eece5a0SKaren Higgins } 86407eece5a0SKaren Higgins } 86417eece5a0SKaren Higgins 864213483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 864313483730SMike Christie { 864413483730SMike Christie struct ddb_entry *ddb_entry; 864513483730SMike Christie int options; 864613483730SMike Christie int idx; 864713483730SMike Christie 864813483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 864913483730SMike Christie 865013483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 865113483730SMike Christie if ((ddb_entry != NULL) && 865213483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 865313483730SMike Christie 865413483730SMike Christie options = LOGOUT_OPTION_CLOSE_SESSION; 865513483730SMike Christie if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) 865613483730SMike Christie == QLA_ERROR) 865713483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", 865813483730SMike Christie __func__); 865913483730SMike Christie 866013483730SMike Christie qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 866113483730SMike Christie /* 866213483730SMike Christie * we have decremented the reference count of the driver 866313483730SMike Christie * when we setup the session to have the driver unload 866413483730SMike Christie * to be seamless without actually destroying the 866513483730SMike Christie * session 866613483730SMike Christie **/ 866713483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 866813483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 866913483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 867013483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 867113483730SMike Christie } 867213483730SMike Christie } 867313483730SMike Christie } 86747eece5a0SKaren Higgins /** 867559e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 8676afaf5a2dSDavid Somayajulu * @pci_dev: PCI device pointer 8677afaf5a2dSDavid Somayajulu **/ 86786f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 8679afaf5a2dSDavid Somayajulu { 8680afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8681afaf5a2dSDavid Somayajulu 8682f8b0751dSVikas Chaudhary /* 8683f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 8684f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 8685f8b0751dSVikas Chaudhary */ 8686f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 8687f8b0751dSVikas Chaudhary return; 8688f8b0751dSVikas Chaudhary 8689afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 8690afaf5a2dSDavid Somayajulu 8691ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 86927eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 8693bee4fe8eSDavid C Somayajulu 8694ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 8695ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 8696ed1086e0SVikas Chaudhary 869713483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 86982a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 86992a991c21SManish Rangankar 870013483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 8701068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 870213483730SMike Christie 87031e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 8704afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 8705afaf5a2dSDavid Somayajulu 8706afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8707afaf5a2dSDavid Somayajulu 8708afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8709afaf5a2dSDavid Somayajulu 87102232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8711f4f5df23SVikas Chaudhary pci_disable_device(pdev); 8712afaf5a2dSDavid Somayajulu } 8713afaf5a2dSDavid Somayajulu 8714afaf5a2dSDavid Somayajulu /** 8715afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 8716afaf5a2dSDavid Somayajulu * @ha: HA context 8717afaf5a2dSDavid Somayajulu * 8718afaf5a2dSDavid Somayajulu * At exit, the @ha's flags.enable_64bit_addressing set to indicated 8719afaf5a2dSDavid Somayajulu * supported addressing method. 8720afaf5a2dSDavid Somayajulu */ 872147975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 8722afaf5a2dSDavid Somayajulu { 8723afaf5a2dSDavid Somayajulu int retval; 8724afaf5a2dSDavid Somayajulu 8725afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 87266a35528aSYang Hongyang if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { 87276a35528aSYang Hongyang if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { 8728afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 8729afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 8730afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 8731afaf5a2dSDavid Somayajulu retval = pci_set_consistent_dma_mask(ha->pdev, 8732284901a9SYang Hongyang DMA_BIT_MASK(32)); 8733afaf5a2dSDavid Somayajulu } 8734afaf5a2dSDavid Somayajulu } else 8735284901a9SYang Hongyang retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); 8736afaf5a2dSDavid Somayajulu } 8737afaf5a2dSDavid Somayajulu 8738afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 8739afaf5a2dSDavid Somayajulu { 8740b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 8741b3a271a9SManish Rangankar struct iscsi_session *sess; 8742b3a271a9SManish Rangankar struct ddb_entry *ddb; 87438bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 8744afaf5a2dSDavid Somayajulu 8745b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 8746b3a271a9SManish Rangankar sess = cls_sess->dd_data; 8747b3a271a9SManish Rangankar ddb = sess->dd_data; 8748b3a271a9SManish Rangankar 8749afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 8750afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 87518bb4033dSVikas Chaudhary 87528bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 87538bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 87548bb4033dSVikas Chaudhary 87558bb4033dSVikas Chaudhary scsi_activate_tcq(sdev, queue_depth); 8756afaf5a2dSDavid Somayajulu return 0; 8757afaf5a2dSDavid Somayajulu } 8758afaf5a2dSDavid Somayajulu 8759afaf5a2dSDavid Somayajulu static int qla4xxx_slave_configure(struct scsi_device *sdev) 8760afaf5a2dSDavid Somayajulu { 8761afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 8762afaf5a2dSDavid Somayajulu return 0; 8763afaf5a2dSDavid Somayajulu } 8764afaf5a2dSDavid Somayajulu 8765afaf5a2dSDavid Somayajulu static void qla4xxx_slave_destroy(struct scsi_device *sdev) 8766afaf5a2dSDavid Somayajulu { 8767afaf5a2dSDavid Somayajulu scsi_deactivate_tcq(sdev, 1); 8768afaf5a2dSDavid Somayajulu } 8769afaf5a2dSDavid Somayajulu 8770f7b4aa63STej Parkash static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, 8771f7b4aa63STej Parkash int reason) 8772f7b4aa63STej Parkash { 8773f7b4aa63STej Parkash if (!ql4xqfulltracking) 8774f7b4aa63STej Parkash return -EOPNOTSUPP; 8775f7b4aa63STej Parkash 8776f7b4aa63STej Parkash return iscsi_change_queue_depth(sdev, qdepth, reason); 8777f7b4aa63STej Parkash } 8778f7b4aa63STej Parkash 8779afaf5a2dSDavid Somayajulu /** 8780afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 8781afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 8782fd589a8fSAnand Gadiyar * @index: index into the active_array 8783afaf5a2dSDavid Somayajulu * 8784afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 8785afaf5a2dSDavid Somayajulu **/ 8786f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 8787f4f5df23SVikas Chaudhary uint32_t index) 8788afaf5a2dSDavid Somayajulu { 8789afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 87905369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 8791afaf5a2dSDavid Somayajulu 87925369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 87935369887aSVikas Chaudhary if (!cmd) 8794afaf5a2dSDavid Somayajulu return srb; 8795afaf5a2dSDavid Somayajulu 87965369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 87975369887aSVikas Chaudhary if (!srb) 8798afaf5a2dSDavid Somayajulu return srb; 8799afaf5a2dSDavid Somayajulu 8800afaf5a2dSDavid Somayajulu /* update counters */ 8801afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 8802afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 8803afaf5a2dSDavid Somayajulu if (srb->cmd) 88045369887aSVikas Chaudhary srb->cmd->host_scribble = 88055369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 8806afaf5a2dSDavid Somayajulu } 8807afaf5a2dSDavid Somayajulu return srb; 8808afaf5a2dSDavid Somayajulu } 8809afaf5a2dSDavid Somayajulu 8810afaf5a2dSDavid Somayajulu /** 8811afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 881209a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 8813afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 8814afaf5a2dSDavid Somayajulu * 8815afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 8816afaf5a2dSDavid Somayajulu * for some max time. 8817afaf5a2dSDavid Somayajulu **/ 8818afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 8819afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 8820afaf5a2dSDavid Somayajulu { 8821afaf5a2dSDavid Somayajulu int done = 0; 8822afaf5a2dSDavid Somayajulu struct srb *rp; 8823afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 88242232be0dSLalit Chandivade int ret = SUCCESS; 88252232be0dSLalit Chandivade 88262232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 88272232be0dSLalit Chandivade * by PCI AER driver 88282232be0dSLalit Chandivade */ 88292232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 88302232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 88312232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 88322232be0dSLalit Chandivade ha->host_no, __func__); 88332232be0dSLalit Chandivade return ret; 88342232be0dSLalit Chandivade } 8835afaf5a2dSDavid Somayajulu 8836afaf5a2dSDavid Somayajulu do { 8837afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 88385369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 8839afaf5a2dSDavid Somayajulu if (rp == NULL) { 8840afaf5a2dSDavid Somayajulu done++; 8841afaf5a2dSDavid Somayajulu break; 8842afaf5a2dSDavid Somayajulu } 8843afaf5a2dSDavid Somayajulu 8844afaf5a2dSDavid Somayajulu msleep(2000); 8845afaf5a2dSDavid Somayajulu } while (max_wait_time--); 8846afaf5a2dSDavid Somayajulu 8847afaf5a2dSDavid Somayajulu return done; 8848afaf5a2dSDavid Somayajulu } 8849afaf5a2dSDavid Somayajulu 8850afaf5a2dSDavid Somayajulu /** 8851afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 8852afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 8853afaf5a2dSDavid Somayajulu **/ 8854afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 8855afaf5a2dSDavid Somayajulu { 8856afaf5a2dSDavid Somayajulu unsigned long wait_online; 8857afaf5a2dSDavid Somayajulu 8858f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 8859afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 8860afaf5a2dSDavid Somayajulu 8861afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 8862afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 8863afaf5a2dSDavid Somayajulu 8864afaf5a2dSDavid Somayajulu msleep(2000); 8865afaf5a2dSDavid Somayajulu } 8866afaf5a2dSDavid Somayajulu 8867afaf5a2dSDavid Somayajulu return QLA_ERROR; 8868afaf5a2dSDavid Somayajulu } 8869afaf5a2dSDavid Somayajulu 8870afaf5a2dSDavid Somayajulu /** 8871ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 8872fd589a8fSAnand Gadiyar * @ha: pointer to HBA 8873afaf5a2dSDavid Somayajulu * @t: target id 8874afaf5a2dSDavid Somayajulu * @l: lun id 8875afaf5a2dSDavid Somayajulu * 8876afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 8877afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 8878afaf5a2dSDavid Somayajulu **/ 8879ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 8880ce545039SMike Christie struct scsi_target *stgt, 8881ce545039SMike Christie struct scsi_device *sdev) 8882afaf5a2dSDavid Somayajulu { 8883afaf5a2dSDavid Somayajulu int cnt; 8884afaf5a2dSDavid Somayajulu int status = 0; 8885afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 8886afaf5a2dSDavid Somayajulu 8887afaf5a2dSDavid Somayajulu /* 8888ce545039SMike Christie * Waiting for all commands for the designated target or dev 8889ce545039SMike Christie * in the active array 8890afaf5a2dSDavid Somayajulu */ 8891afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 8892afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 8893ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 8894ce545039SMike Christie (!sdev || sdev == cmd->device)) { 8895afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 8896afaf5a2dSDavid Somayajulu status++; 8897afaf5a2dSDavid Somayajulu break; 8898afaf5a2dSDavid Somayajulu } 8899afaf5a2dSDavid Somayajulu } 8900afaf5a2dSDavid Somayajulu } 8901afaf5a2dSDavid Somayajulu return status; 8902afaf5a2dSDavid Somayajulu } 8903afaf5a2dSDavid Somayajulu 8904afaf5a2dSDavid Somayajulu /** 890509a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 890609a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 890709a0f719SVikas Chaudhary * 890809a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 890909a0f719SVikas Chaudhary * command. 891009a0f719SVikas Chaudhary **/ 891109a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 891209a0f719SVikas Chaudhary { 891309a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 891409a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 891509a0f719SVikas Chaudhary unsigned int lun = cmd->device->lun; 891692b3e5bbSMike Christie unsigned long flags; 891709a0f719SVikas Chaudhary struct srb *srb = NULL; 891809a0f719SVikas Chaudhary int ret = SUCCESS; 891909a0f719SVikas Chaudhary int wait = 0; 892009a0f719SVikas Chaudhary 8921c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 89225cd049a5SChristoph Hellwig "scsi%ld:%d:%d: Abort command issued cmd=%p\n", 89235cd049a5SChristoph Hellwig ha->host_no, id, lun, cmd); 892409a0f719SVikas Chaudhary 892592b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 892609a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 892792b3e5bbSMike Christie if (!srb) { 892892b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 892909a0f719SVikas Chaudhary return SUCCESS; 893092b3e5bbSMike Christie } 893109a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 893292b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 893309a0f719SVikas Chaudhary 893409a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 893509a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n", 893609a0f719SVikas Chaudhary ha->host_no, id, lun)); 893709a0f719SVikas Chaudhary ret = FAILED; 893809a0f719SVikas Chaudhary } else { 893909a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n", 894009a0f719SVikas Chaudhary ha->host_no, id, lun)); 894109a0f719SVikas Chaudhary wait = 1; 894209a0f719SVikas Chaudhary } 894309a0f719SVikas Chaudhary 894409a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 894509a0f719SVikas Chaudhary 894609a0f719SVikas Chaudhary /* Wait for command to complete */ 894709a0f719SVikas Chaudhary if (wait) { 894809a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 894909a0f719SVikas Chaudhary DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n", 895009a0f719SVikas Chaudhary ha->host_no, id, lun)); 895109a0f719SVikas Chaudhary ret = FAILED; 895209a0f719SVikas Chaudhary } 895309a0f719SVikas Chaudhary } 895409a0f719SVikas Chaudhary 8955c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 895609a0f719SVikas Chaudhary "scsi%ld:%d:%d: Abort command - %s\n", 895725985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 895809a0f719SVikas Chaudhary 895909a0f719SVikas Chaudhary return ret; 896009a0f719SVikas Chaudhary } 896109a0f719SVikas Chaudhary 896209a0f719SVikas Chaudhary /** 8963afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 8964afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 8965afaf5a2dSDavid Somayajulu * 8966afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 8967afaf5a2dSDavid Somayajulu * specified target. 8968afaf5a2dSDavid Somayajulu **/ 8969afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 8970afaf5a2dSDavid Somayajulu { 8971afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 8972afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 8973afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 8974afaf5a2dSDavid Somayajulu 8975612f7348SKaren Higgins if (!ddb_entry) 8976afaf5a2dSDavid Somayajulu return ret; 8977afaf5a2dSDavid Somayajulu 8978c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 8979c01be6dcSMike Christie if (ret) 8980c01be6dcSMike Christie return ret; 8981c01be6dcSMike Christie ret = FAILED; 8982c01be6dcSMike Christie 8983c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 8984afaf5a2dSDavid Somayajulu "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no, 8985afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 8986afaf5a2dSDavid Somayajulu 8987afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 8988afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 8989afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 8990242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 8991afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 8992afaf5a2dSDavid Somayajulu 8993afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 8994afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 8995afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 8996c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 8997afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 8998afaf5a2dSDavid Somayajulu } 8999afaf5a2dSDavid Somayajulu 9000ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9001ce545039SMike Christie cmd->device)) { 9002c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9003afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 9004afaf5a2dSDavid Somayajulu "commands.\n"); 9005afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9006afaf5a2dSDavid Somayajulu } 9007afaf5a2dSDavid Somayajulu 90089d562913SDavid C Somayajulu /* Send marker. */ 90099d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 90109d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 90119d562913SDavid C Somayajulu goto eh_dev_reset_done; 90129d562913SDavid C Somayajulu 9013c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9014afaf5a2dSDavid Somayajulu "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n", 9015afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 9016afaf5a2dSDavid Somayajulu cmd->device->lun); 9017afaf5a2dSDavid Somayajulu 9018afaf5a2dSDavid Somayajulu ret = SUCCESS; 9019afaf5a2dSDavid Somayajulu 9020afaf5a2dSDavid Somayajulu eh_dev_reset_done: 9021afaf5a2dSDavid Somayajulu 9022afaf5a2dSDavid Somayajulu return ret; 9023afaf5a2dSDavid Somayajulu } 9024afaf5a2dSDavid Somayajulu 9025afaf5a2dSDavid Somayajulu /** 9026ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 9027ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 9028ce545039SMike Christie * 9029ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 9030ce545039SMike Christie **/ 9031ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 9032ce545039SMike Christie { 9033ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9034ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 9035c01be6dcSMike Christie int stat, ret; 9036ce545039SMike Christie 9037ce545039SMike Christie if (!ddb_entry) 9038ce545039SMike Christie return FAILED; 9039ce545039SMike Christie 9040c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9041c01be6dcSMike Christie if (ret) 9042c01be6dcSMike Christie return ret; 9043c01be6dcSMike Christie 9044ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9045ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 9046ce545039SMike Christie 9047ce545039SMike Christie DEBUG2(printk(KERN_INFO 9048ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 9049ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 9050242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 9051ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 9052ce545039SMike Christie 9053ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 9054ce545039SMike Christie if (stat != QLA_SUCCESS) { 9055ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9056ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 9057ce545039SMike Christie return FAILED; 9058ce545039SMike Christie } 9059ce545039SMike Christie 9060ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9061ce545039SMike Christie NULL)) { 9062ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9063ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 9064ce545039SMike Christie "waiting for commands.\n"); 9065ce545039SMike Christie return FAILED; 9066ce545039SMike Christie } 9067ce545039SMike Christie 90689d562913SDavid C Somayajulu /* Send marker. */ 90699d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 90709d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 90719d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 90729d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 90739d562913SDavid C Somayajulu "marker iocb failed.\n"); 90749d562913SDavid C Somayajulu return FAILED; 90759d562913SDavid C Somayajulu } 90769d562913SDavid C Somayajulu 9077ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9078ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 9079ce545039SMike Christie return SUCCESS; 9080ce545039SMike Christie } 9081ce545039SMike Christie 9082ce545039SMike Christie /** 90838a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 90848a288960SSarang Radke * @shost: Pointer to SCSI Host struct 90858a288960SSarang Radke * 90868a288960SSarang Radke * This routine finds that if reset host is called in EH 90878a288960SSarang Radke * scenario or from some application like sg_reset 90888a288960SSarang Radke **/ 90898a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 90908a288960SSarang Radke { 90918a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 90928a288960SSarang Radke return 1; 90938a288960SSarang Radke return 0; 90948a288960SSarang Radke } 90958a288960SSarang Radke 90968a288960SSarang Radke /** 9097afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 9098afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9099afaf5a2dSDavid Somayajulu * 9100afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 9101afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 9102afaf5a2dSDavid Somayajulu **/ 9103afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 9104afaf5a2dSDavid Somayajulu { 9105afaf5a2dSDavid Somayajulu int return_status = FAILED; 9106afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 9107afaf5a2dSDavid Somayajulu 9108b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 9109afaf5a2dSDavid Somayajulu 9110b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) 91116e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 91126e7b4292SVikas Chaudhary 91136e7b4292SVikas Chaudhary /* 9114b37ca418SVikas Chaudhary * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other 9115b37ca418SVikas Chaudhary * protocol drivers, we should not set device_state to NEED_RESET 91166e7b4292SVikas Chaudhary */ 91176e7b4292SVikas Chaudhary if (ql4xdontresethba || 9118b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 9119b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 9120f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 9121f4f5df23SVikas Chaudhary ha->host_no, __func__)); 91228a288960SSarang Radke 91238a288960SSarang Radke /* Clear outstanding srb in queues */ 91248a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 91258a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 91268a288960SSarang Radke 9127f4f5df23SVikas Chaudhary return FAILED; 9128f4f5df23SVikas Chaudhary } 9129f4f5df23SVikas Chaudhary 9130c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9131dca05c4cSKaren Higgins "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, 9132afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9133afaf5a2dSDavid Somayajulu 9134afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 9135afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 9136afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 9137afaf5a2dSDavid Somayajulu __func__)); 9138afaf5a2dSDavid Somayajulu 9139afaf5a2dSDavid Somayajulu return FAILED; 9140afaf5a2dSDavid Somayajulu } 9141afaf5a2dSDavid Somayajulu 9142f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 91436e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 9144f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 9145f4f5df23SVikas Chaudhary else 9146f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 9147f4f5df23SVikas Chaudhary } 914850a29aecSMike Christie 9149f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 9150afaf5a2dSDavid Somayajulu return_status = SUCCESS; 9151afaf5a2dSDavid Somayajulu 9152c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 915325985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 9154afaf5a2dSDavid Somayajulu 9155afaf5a2dSDavid Somayajulu return return_status; 9156afaf5a2dSDavid Somayajulu } 9157afaf5a2dSDavid Somayajulu 915895d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 915995d31262SVikas Chaudhary { 916095d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 916195d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 916295d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 916395d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 916495d31262SVikas Chaudhary int rval = QLA_SUCCESS; 916595d31262SVikas Chaudhary dma_addr_t acb_dma; 916695d31262SVikas Chaudhary 916795d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 916895d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 916995d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 917095d31262SVikas Chaudhary if (!acb) { 917195d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 917295d31262SVikas Chaudhary __func__); 917395d31262SVikas Chaudhary rval = -ENOMEM; 917495d31262SVikas Chaudhary goto exit_port_reset; 917595d31262SVikas Chaudhary } 917695d31262SVikas Chaudhary 917795d31262SVikas Chaudhary memset(acb, 0, acb_len); 917895d31262SVikas Chaudhary 917995d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 918095d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 918195d31262SVikas Chaudhary rval = -EIO; 918295d31262SVikas Chaudhary goto exit_free_acb; 918395d31262SVikas Chaudhary } 918495d31262SVikas Chaudhary 918595d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 918695d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 918795d31262SVikas Chaudhary rval = -EIO; 918895d31262SVikas Chaudhary goto exit_free_acb; 918995d31262SVikas Chaudhary } 919095d31262SVikas Chaudhary 919195d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 919295d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 919395d31262SVikas Chaudhary 919495d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 919595d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 919695d31262SVikas Chaudhary rval = -EIO; 919795d31262SVikas Chaudhary goto exit_free_acb; 919895d31262SVikas Chaudhary } 919995d31262SVikas Chaudhary 920095d31262SVikas Chaudhary exit_free_acb: 920195d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 920295d31262SVikas Chaudhary acb, acb_dma); 920395d31262SVikas Chaudhary exit_port_reset: 920495d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 920595d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 920695d31262SVikas Chaudhary return rval; 920795d31262SVikas Chaudhary } 920895d31262SVikas Chaudhary 920995d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 921095d31262SVikas Chaudhary { 921195d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 921295d31262SVikas Chaudhary int rval = QLA_SUCCESS; 9213ebd777deSVikas Chaudhary uint32_t idc_ctrl; 921495d31262SVikas Chaudhary 921595d31262SVikas Chaudhary if (ql4xdontresethba) { 921695d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 921795d31262SVikas Chaudhary __func__)); 921895d31262SVikas Chaudhary rval = -EPERM; 921995d31262SVikas Chaudhary goto exit_host_reset; 922095d31262SVikas Chaudhary } 922195d31262SVikas Chaudhary 922295d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 922395d31262SVikas Chaudhary goto recover_adapter; 922495d31262SVikas Chaudhary 922595d31262SVikas Chaudhary switch (reset_type) { 922695d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 922795d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 922895d31262SVikas Chaudhary break; 922995d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 923095d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 92316e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 923295d31262SVikas Chaudhary /* set firmware context reset */ 923395d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 923495d31262SVikas Chaudhary &ha->dpc_flags); 923595d31262SVikas Chaudhary else { 923695d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 923795d31262SVikas Chaudhary goto exit_host_reset; 923895d31262SVikas Chaudhary } 923995d31262SVikas Chaudhary } 924095d31262SVikas Chaudhary break; 924195d31262SVikas Chaudhary } 924295d31262SVikas Chaudhary 924395d31262SVikas Chaudhary recover_adapter: 9244b37ca418SVikas Chaudhary /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if 9245ebd777deSVikas Chaudhary * reset is issued by application */ 9246b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 9247b37ca418SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 9248ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 9249ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 9250ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 9251ebd777deSVikas Chaudhary } 9252ebd777deSVikas Chaudhary 925395d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 925495d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 925595d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 925695d31262SVikas Chaudhary __func__)); 925795d31262SVikas Chaudhary rval = -EIO; 925895d31262SVikas Chaudhary } 925995d31262SVikas Chaudhary 926095d31262SVikas Chaudhary exit_host_reset: 926195d31262SVikas Chaudhary return rval; 926295d31262SVikas Chaudhary } 926395d31262SVikas Chaudhary 92642232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 92652232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 92662232be0dSLalit Chandivade * driver calls the following device driver's callbacks 92672232be0dSLalit Chandivade * 92682232be0dSLalit Chandivade * - Fatal Errors - link_reset 92692232be0dSLalit Chandivade * - Non-Fatal Errors - driver's pci_error_detected() which 92702232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 92712232be0dSLalit Chandivade * 92722232be0dSLalit Chandivade * PCI AER driver calls 92732232be0dSLalit Chandivade * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled 92742232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 92752232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 92762232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 92772232be0dSLalit Chandivade * RECOVERED - driver's pci_resume() 92782232be0dSLalit Chandivade */ 92792232be0dSLalit Chandivade static pci_ers_result_t 92802232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 92812232be0dSLalit Chandivade { 92822232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 92832232be0dSLalit Chandivade 92842232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 92852232be0dSLalit Chandivade ha->host_no, __func__, state); 92862232be0dSLalit Chandivade 92872232be0dSLalit Chandivade if (!is_aer_supported(ha)) 92882232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 92892232be0dSLalit Chandivade 92902232be0dSLalit Chandivade switch (state) { 92912232be0dSLalit Chandivade case pci_channel_io_normal: 92922232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 92932232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 92942232be0dSLalit Chandivade case pci_channel_io_frozen: 92952232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 92962232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 92972232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 92982232be0dSLalit Chandivade pci_disable_device(pdev); 92997b3595dfSVikas Chaudhary /* Return back all IOs */ 93007b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 93012232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 93022232be0dSLalit Chandivade case pci_channel_io_perm_failure: 93032232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 93042232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 93052232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 93062232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 93072232be0dSLalit Chandivade } 93082232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 93092232be0dSLalit Chandivade } 93102232be0dSLalit Chandivade 93112232be0dSLalit Chandivade /** 93122232be0dSLalit Chandivade * qla4xxx_pci_mmio_enabled() gets called if 93132232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 93142232be0dSLalit Chandivade * and read/write to the device still works. 93152232be0dSLalit Chandivade **/ 93162232be0dSLalit Chandivade static pci_ers_result_t 93172232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 93182232be0dSLalit Chandivade { 93192232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 93202232be0dSLalit Chandivade 93212232be0dSLalit Chandivade if (!is_aer_supported(ha)) 93222232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 93232232be0dSLalit Chandivade 93242232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 93252232be0dSLalit Chandivade } 93262232be0dSLalit Chandivade 93277b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 93282232be0dSLalit Chandivade { 93292232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 93302232be0dSLalit Chandivade int fn; 93312232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 93322232be0dSLalit Chandivade 93332232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 93342232be0dSLalit Chandivade 93352232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 93362232be0dSLalit Chandivade 93372232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 93382232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 9339b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 9340b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 93412232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 93422232be0dSLalit Chandivade } 93432232be0dSLalit Chandivade 93442232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 93452232be0dSLalit Chandivade while (fn > 0) { 93462232be0dSLalit Chandivade fn--; 93472232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at " 93482232be0dSLalit Chandivade "func %x\n", ha->host_no, __func__, fn); 93492232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 93502232be0dSLalit Chandivade * slot/function number */ 93512232be0dSLalit Chandivade other_pdev = 93522232be0dSLalit Chandivade pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 93532232be0dSLalit Chandivade ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 93542232be0dSLalit Chandivade fn)); 93552232be0dSLalit Chandivade 93562232be0dSLalit Chandivade if (!other_pdev) 93572232be0dSLalit Chandivade continue; 93582232be0dSLalit Chandivade 93592232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 93602232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI " 93612232be0dSLalit Chandivade "func in enabled state%x\n", ha->host_no, 93622232be0dSLalit Chandivade __func__, fn); 93632232be0dSLalit Chandivade pci_dev_put(other_pdev); 93642232be0dSLalit Chandivade break; 93652232be0dSLalit Chandivade } 93662232be0dSLalit Chandivade pci_dev_put(other_pdev); 93672232be0dSLalit Chandivade } 93682232be0dSLalit Chandivade 93692232be0dSLalit Chandivade /* The first function on the card, the reset owner will 93702232be0dSLalit Chandivade * start & initialize the firmware. The other functions 93712232be0dSLalit Chandivade * on the card will reset the firmware context 93722232be0dSLalit Chandivade */ 93732232be0dSLalit Chandivade if (!fn) { 93742232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 93752232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 93762232be0dSLalit Chandivade ha->pdev->devfn); 93772232be0dSLalit Chandivade 937833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 937933693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9380de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 938133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 93822232be0dSLalit Chandivade 938339c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 938439c95826SVikas Chaudhary if (rval == QLA_ERROR) { 938539c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 938639c95826SVikas Chaudhary ha->host_no, __func__); 938739c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 938839c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 938939c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 939039c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 939139c95826SVikas Chaudhary goto exit_error_recovery; 939239c95826SVikas Chaudhary } 93932232be0dSLalit Chandivade 93942232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 939513483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 93962232be0dSLalit Chandivade 93972232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 93982232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 93992232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 940082761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 94012232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 940233693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9403de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 940482761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 94052232be0dSLalit Chandivade } else { 94062232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 94072232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 940882761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 940933693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9410de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 94112232be0dSLalit Chandivade /* Clear driver state register */ 941233693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 94132232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 941482761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 94152232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 94162232be0dSLalit Chandivade } 94172232be0dSLalit Chandivade } else { 94182232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 94192232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 94202232be0dSLalit Chandivade ha->pdev->devfn); 942133693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 9422de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 94232232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 942413483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 9425137257daSPoornima Vonti if (rval == QLA_SUCCESS) 94262232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 9427137257daSPoornima Vonti 942833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 94292232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 943033693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 94312232be0dSLalit Chandivade } 94322232be0dSLalit Chandivade } 943339c95826SVikas Chaudhary exit_error_recovery: 94342232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 94352232be0dSLalit Chandivade return rval; 94362232be0dSLalit Chandivade } 94372232be0dSLalit Chandivade 94382232be0dSLalit Chandivade static pci_ers_result_t 94392232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 94402232be0dSLalit Chandivade { 94412232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 94422232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 94432232be0dSLalit Chandivade int rc; 94442232be0dSLalit Chandivade 94452232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 94462232be0dSLalit Chandivade ha->host_no, __func__); 94472232be0dSLalit Chandivade 94482232be0dSLalit Chandivade if (!is_aer_supported(ha)) 94492232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 94502232be0dSLalit Chandivade 94512232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 94522232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 94532232be0dSLalit Chandivade * IOV states 94542232be0dSLalit Chandivade */ 94552232be0dSLalit Chandivade pci_restore_state(pdev); 94562232be0dSLalit Chandivade 94572232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 94582232be0dSLalit Chandivade * save restored state which resets saved_state flag 94592232be0dSLalit Chandivade */ 94602232be0dSLalit Chandivade pci_save_state(pdev); 94612232be0dSLalit Chandivade 94622232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 94632232be0dSLalit Chandivade rc = pci_enable_device(pdev); 94642232be0dSLalit Chandivade if (rc) { 946525985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 94662232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 94672232be0dSLalit Chandivade goto exit_slot_reset; 94682232be0dSLalit Chandivade } 94692232be0dSLalit Chandivade 94707b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 94712232be0dSLalit Chandivade 94726e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 94732232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 94742232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 94752232be0dSLalit Chandivade goto exit_slot_reset; 94762232be0dSLalit Chandivade } else 94772232be0dSLalit Chandivade goto exit_slot_reset; 94782232be0dSLalit Chandivade } 94792232be0dSLalit Chandivade 94802232be0dSLalit Chandivade exit_slot_reset: 94812232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 94822232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 94832232be0dSLalit Chandivade return ret; 94842232be0dSLalit Chandivade } 94852232be0dSLalit Chandivade 94862232be0dSLalit Chandivade static void 94872232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 94882232be0dSLalit Chandivade { 94892232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 94902232be0dSLalit Chandivade int ret; 94912232be0dSLalit Chandivade 94922232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 94932232be0dSLalit Chandivade ha->host_no, __func__); 94942232be0dSLalit Chandivade 94952232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 94962232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 94972232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 94982232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 94992232be0dSLalit Chandivade __func__); 95002232be0dSLalit Chandivade } 95012232be0dSLalit Chandivade 95022232be0dSLalit Chandivade pci_cleanup_aer_uncorrect_error_status(pdev); 95032232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 95042232be0dSLalit Chandivade } 95052232be0dSLalit Chandivade 9506a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 95072232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 95082232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 95092232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 95102232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 95112232be0dSLalit Chandivade }; 95122232be0dSLalit Chandivade 9513afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 9514afaf5a2dSDavid Somayajulu { 9515afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9516afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 9517afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9518afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9519afaf5a2dSDavid Somayajulu }, 9520afaf5a2dSDavid Somayajulu { 9521afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9522afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 9523afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9524afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9525afaf5a2dSDavid Somayajulu }, 9526d915058fSDavid C Somayajulu { 9527d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9528d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 9529d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 9530d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 9531d915058fSDavid C Somayajulu }, 9532f4f5df23SVikas Chaudhary { 9533f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9534f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 9535f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 9536f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 9537f4f5df23SVikas Chaudhary }, 95386e7b4292SVikas Chaudhary { 95396e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 95406e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 95416e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 95426e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 95436e7b4292SVikas Chaudhary }, 9544b37ca418SVikas Chaudhary { 9545b37ca418SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9546b37ca418SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8042, 9547b37ca418SVikas Chaudhary .subvendor = PCI_ANY_ID, 9548b37ca418SVikas Chaudhary .subdevice = PCI_ANY_ID, 9549b37ca418SVikas Chaudhary }, 9550afaf5a2dSDavid Somayajulu {0, 0}, 9551afaf5a2dSDavid Somayajulu }; 9552afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 9553afaf5a2dSDavid Somayajulu 955447975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 9555afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 9556afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 9557afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 9558afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 95592232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 9560afaf5a2dSDavid Somayajulu }; 9561afaf5a2dSDavid Somayajulu 9562afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 9563afaf5a2dSDavid Somayajulu { 9564afaf5a2dSDavid Somayajulu int ret; 9565afaf5a2dSDavid Somayajulu 9566afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 9567afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 956820c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 9569afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 9570afaf5a2dSDavid Somayajulu printk(KERN_ERR 9571afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 9572afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 9573afaf5a2dSDavid Somayajulu ret = -ENOMEM; 9574afaf5a2dSDavid Somayajulu goto no_srp_cache; 9575afaf5a2dSDavid Somayajulu } 9576afaf5a2dSDavid Somayajulu 9577afaf5a2dSDavid Somayajulu /* Derive version string. */ 9578afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 957911010fecSAndrew Vasquez if (ql4xextended_error_logging) 9580afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 9581afaf5a2dSDavid Somayajulu 9582afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 9583afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 9584afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 9585afaf5a2dSDavid Somayajulu ret = -ENODEV; 9586afaf5a2dSDavid Somayajulu goto release_srb_cache; 9587afaf5a2dSDavid Somayajulu } 9588afaf5a2dSDavid Somayajulu 9589afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 9590afaf5a2dSDavid Somayajulu if (ret) 9591afaf5a2dSDavid Somayajulu goto unregister_transport; 9592afaf5a2dSDavid Somayajulu 9593afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 9594afaf5a2dSDavid Somayajulu return 0; 95955ae16db3SDoug Maxey 9596afaf5a2dSDavid Somayajulu unregister_transport: 9597afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9598afaf5a2dSDavid Somayajulu release_srb_cache: 9599afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9600afaf5a2dSDavid Somayajulu no_srp_cache: 9601afaf5a2dSDavid Somayajulu return ret; 9602afaf5a2dSDavid Somayajulu } 9603afaf5a2dSDavid Somayajulu 9604afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 9605afaf5a2dSDavid Somayajulu { 9606afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 9607afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9608afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9609afaf5a2dSDavid Somayajulu } 9610afaf5a2dSDavid Somayajulu 9611afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 9612afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 9613afaf5a2dSDavid Somayajulu 9614afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 9615afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 9616afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 9617afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 9618