1afaf5a2dSDavid Somayajulu /* 2afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 3afaf5a2dSDavid Somayajulu * Copyright (c) 2003-2006 QLogic Corporation 4afaf5a2dSDavid Somayajulu * 5afaf5a2dSDavid Somayajulu * See LICENSE.qla4xxx for copyright and licensing details. 6afaf5a2dSDavid Somayajulu */ 7afaf5a2dSDavid Somayajulu 826974789SMike Christie #include <scsi/iscsi_if.h> 9afaf5a2dSDavid Somayajulu #include "ql4_def.h" 1092b72736SDavid C Somayajulu #include "ql4_glbl.h" 1192b72736SDavid C Somayajulu #include "ql4_dbg.h" 1292b72736SDavid C Somayajulu #include "ql4_inline.h" 13afaf5a2dSDavid Somayajulu 1447975477SAdrian Bunk static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha, 1547975477SAdrian Bunk uint32_t fw_ddb_index); 16afaf5a2dSDavid Somayajulu 17afaf5a2dSDavid Somayajulu static void ql4xxx_set_mac_number(struct scsi_qla_host *ha) 18afaf5a2dSDavid Somayajulu { 19afaf5a2dSDavid Somayajulu uint32_t value; 20afaf5a2dSDavid Somayajulu uint8_t func_number; 21afaf5a2dSDavid Somayajulu unsigned long flags; 22afaf5a2dSDavid Somayajulu 23afaf5a2dSDavid Somayajulu /* Get the function number */ 24afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 25afaf5a2dSDavid Somayajulu value = readw(&ha->reg->ctrl_status); 26afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 27afaf5a2dSDavid Somayajulu 28afaf5a2dSDavid Somayajulu func_number = (uint8_t) ((value >> 4) & 0x30); 29afaf5a2dSDavid Somayajulu switch (value & ISP_CONTROL_FN_MASK) { 30afaf5a2dSDavid Somayajulu case ISP_CONTROL_FN0_SCSI: 31afaf5a2dSDavid Somayajulu ha->mac_index = 1; 32afaf5a2dSDavid Somayajulu break; 33afaf5a2dSDavid Somayajulu case ISP_CONTROL_FN1_SCSI: 34afaf5a2dSDavid Somayajulu ha->mac_index = 3; 35afaf5a2dSDavid Somayajulu break; 36afaf5a2dSDavid Somayajulu default: 37afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Invalid function number, " 38afaf5a2dSDavid Somayajulu "ispControlStatus = 0x%x\n", ha->host_no, 39afaf5a2dSDavid Somayajulu __func__, value)); 40afaf5a2dSDavid Somayajulu break; 41afaf5a2dSDavid Somayajulu } 42afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: mac_index %d.\n", ha->host_no, __func__, 43afaf5a2dSDavid Somayajulu ha->mac_index)); 44afaf5a2dSDavid Somayajulu } 45afaf5a2dSDavid Somayajulu 46afaf5a2dSDavid Somayajulu /** 47afaf5a2dSDavid Somayajulu * qla4xxx_free_ddb - deallocate ddb 48afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 49afaf5a2dSDavid Somayajulu * @ddb_entry: pointer to device database entry 50afaf5a2dSDavid Somayajulu * 51afaf5a2dSDavid Somayajulu * This routine deallocates and unlinks the specified ddb_entry from the 52afaf5a2dSDavid Somayajulu * adapter's 53afaf5a2dSDavid Somayajulu **/ 5447975477SAdrian Bunk static void qla4xxx_free_ddb(struct scsi_qla_host *ha, 5547975477SAdrian Bunk struct ddb_entry *ddb_entry) 56afaf5a2dSDavid Somayajulu { 57afaf5a2dSDavid Somayajulu /* Remove device entry from list */ 58afaf5a2dSDavid Somayajulu list_del_init(&ddb_entry->list); 59afaf5a2dSDavid Somayajulu 60afaf5a2dSDavid Somayajulu /* Remove device pointer from index mapping arrays */ 61afaf5a2dSDavid Somayajulu ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = 62afaf5a2dSDavid Somayajulu (struct ddb_entry *) INVALID_ENTRY; 63afaf5a2dSDavid Somayajulu ha->tot_ddbs--; 64afaf5a2dSDavid Somayajulu 65afaf5a2dSDavid Somayajulu /* Free memory and scsi-ml struct for device entry */ 66afaf5a2dSDavid Somayajulu qla4xxx_destroy_sess(ddb_entry); 67afaf5a2dSDavid Somayajulu } 68afaf5a2dSDavid Somayajulu 69afaf5a2dSDavid Somayajulu /** 70afaf5a2dSDavid Somayajulu * qla4xxx_free_ddb_list - deallocate all ddbs 71afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 72afaf5a2dSDavid Somayajulu * 73afaf5a2dSDavid Somayajulu * This routine deallocates and removes all devices on the sppecified adapter. 74afaf5a2dSDavid Somayajulu **/ 75afaf5a2dSDavid Somayajulu void qla4xxx_free_ddb_list(struct scsi_qla_host *ha) 76afaf5a2dSDavid Somayajulu { 77afaf5a2dSDavid Somayajulu struct list_head *ptr; 78afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry; 79afaf5a2dSDavid Somayajulu 80afaf5a2dSDavid Somayajulu while (!list_empty(&ha->ddb_list)) { 81afaf5a2dSDavid Somayajulu ptr = ha->ddb_list.next; 82afaf5a2dSDavid Somayajulu /* Free memory for device entry and remove */ 83afaf5a2dSDavid Somayajulu ddb_entry = list_entry(ptr, struct ddb_entry, list); 84afaf5a2dSDavid Somayajulu qla4xxx_free_ddb(ha, ddb_entry); 85afaf5a2dSDavid Somayajulu } 86afaf5a2dSDavid Somayajulu } 87afaf5a2dSDavid Somayajulu 88afaf5a2dSDavid Somayajulu /** 89afaf5a2dSDavid Somayajulu * qla4xxx_init_rings - initialize hw queues 90afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 91afaf5a2dSDavid Somayajulu * 92afaf5a2dSDavid Somayajulu * This routine initializes the internal queues for the specified adapter. 93afaf5a2dSDavid Somayajulu * The QLA4010 requires us to restart the queues at index 0. 94afaf5a2dSDavid Somayajulu * The QLA4000 doesn't care, so just default to QLA4010's requirement. 95afaf5a2dSDavid Somayajulu **/ 96afaf5a2dSDavid Somayajulu int qla4xxx_init_rings(struct scsi_qla_host *ha) 97afaf5a2dSDavid Somayajulu { 98afaf5a2dSDavid Somayajulu unsigned long flags = 0; 99afaf5a2dSDavid Somayajulu 100afaf5a2dSDavid Somayajulu /* Initialize request queue. */ 101afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 102afaf5a2dSDavid Somayajulu ha->request_out = 0; 103afaf5a2dSDavid Somayajulu ha->request_in = 0; 104afaf5a2dSDavid Somayajulu ha->request_ptr = &ha->request_ring[ha->request_in]; 105afaf5a2dSDavid Somayajulu ha->req_q_count = REQUEST_QUEUE_DEPTH; 106afaf5a2dSDavid Somayajulu 107afaf5a2dSDavid Somayajulu /* Initialize response queue. */ 108afaf5a2dSDavid Somayajulu ha->response_in = 0; 109afaf5a2dSDavid Somayajulu ha->response_out = 0; 110afaf5a2dSDavid Somayajulu ha->response_ptr = &ha->response_ring[ha->response_out]; 111afaf5a2dSDavid Somayajulu 112afaf5a2dSDavid Somayajulu /* 113afaf5a2dSDavid Somayajulu * Initialize DMA Shadow registers. The firmware is really supposed to 114afaf5a2dSDavid Somayajulu * take care of this, but on some uniprocessor systems, the shadow 115afaf5a2dSDavid Somayajulu * registers aren't cleared-- causing the interrupt_handler to think 116afaf5a2dSDavid Somayajulu * there are responses to be processed when there aren't. 117afaf5a2dSDavid Somayajulu */ 118afaf5a2dSDavid Somayajulu ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0); 119afaf5a2dSDavid Somayajulu ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0); 120afaf5a2dSDavid Somayajulu wmb(); 121afaf5a2dSDavid Somayajulu 122afaf5a2dSDavid Somayajulu writel(0, &ha->reg->req_q_in); 123afaf5a2dSDavid Somayajulu writel(0, &ha->reg->rsp_q_out); 124afaf5a2dSDavid Somayajulu readl(&ha->reg->rsp_q_out); 125afaf5a2dSDavid Somayajulu 126afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 127afaf5a2dSDavid Somayajulu 128afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 129afaf5a2dSDavid Somayajulu } 130afaf5a2dSDavid Somayajulu 131afaf5a2dSDavid Somayajulu /** 132afaf5a2dSDavid Somayajulu * qla4xxx_validate_mac_address - validate adapter MAC address(es) 133afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 134afaf5a2dSDavid Somayajulu * 135afaf5a2dSDavid Somayajulu **/ 136afaf5a2dSDavid Somayajulu static int qla4xxx_validate_mac_address(struct scsi_qla_host *ha) 137afaf5a2dSDavid Somayajulu { 138afaf5a2dSDavid Somayajulu struct flash_sys_info *sys_info; 139afaf5a2dSDavid Somayajulu dma_addr_t sys_info_dma; 140afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 141afaf5a2dSDavid Somayajulu 142afaf5a2dSDavid Somayajulu sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info), 143afaf5a2dSDavid Somayajulu &sys_info_dma, GFP_KERNEL); 144afaf5a2dSDavid Somayajulu if (sys_info == NULL) { 145afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", 146afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 147afaf5a2dSDavid Somayajulu 148afaf5a2dSDavid Somayajulu goto exit_validate_mac_no_free; 149afaf5a2dSDavid Somayajulu } 150afaf5a2dSDavid Somayajulu memset(sys_info, 0, sizeof(*sys_info)); 151afaf5a2dSDavid Somayajulu 152afaf5a2dSDavid Somayajulu /* Get flash sys info */ 153afaf5a2dSDavid Somayajulu if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO, 154afaf5a2dSDavid Somayajulu sizeof(*sys_info)) != QLA_SUCCESS) { 155afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO " 156afaf5a2dSDavid Somayajulu "failed\n", ha->host_no, __func__)); 157afaf5a2dSDavid Somayajulu 158afaf5a2dSDavid Somayajulu goto exit_validate_mac; 159afaf5a2dSDavid Somayajulu } 160afaf5a2dSDavid Somayajulu 161afaf5a2dSDavid Somayajulu /* Save M.A.C. address & serial_number */ 162afaf5a2dSDavid Somayajulu memcpy(ha->my_mac, &sys_info->physAddr[0].address[0], 163afaf5a2dSDavid Somayajulu min(sizeof(ha->my_mac), 164afaf5a2dSDavid Somayajulu sizeof(sys_info->physAddr[0].address))); 165afaf5a2dSDavid Somayajulu memcpy(ha->serial_number, &sys_info->acSerialNumber, 166afaf5a2dSDavid Somayajulu min(sizeof(ha->serial_number), 167afaf5a2dSDavid Somayajulu sizeof(sys_info->acSerialNumber))); 168afaf5a2dSDavid Somayajulu 169afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 170afaf5a2dSDavid Somayajulu 171afaf5a2dSDavid Somayajulu exit_validate_mac: 172afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info, 173afaf5a2dSDavid Somayajulu sys_info_dma); 174afaf5a2dSDavid Somayajulu 175afaf5a2dSDavid Somayajulu exit_validate_mac_no_free: 176afaf5a2dSDavid Somayajulu return status; 177afaf5a2dSDavid Somayajulu } 178afaf5a2dSDavid Somayajulu 179afaf5a2dSDavid Somayajulu /** 180afaf5a2dSDavid Somayajulu * qla4xxx_init_local_data - initialize adapter specific local data 181afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 182afaf5a2dSDavid Somayajulu * 183afaf5a2dSDavid Somayajulu **/ 184afaf5a2dSDavid Somayajulu static int qla4xxx_init_local_data(struct scsi_qla_host *ha) 185afaf5a2dSDavid Somayajulu { 186afaf5a2dSDavid Somayajulu /* Initilize aen queue */ 187afaf5a2dSDavid Somayajulu ha->aen_q_count = MAX_AEN_ENTRIES; 188afaf5a2dSDavid Somayajulu 189afaf5a2dSDavid Somayajulu return qla4xxx_get_firmware_status(ha); 190afaf5a2dSDavid Somayajulu } 191afaf5a2dSDavid Somayajulu 1922a49a78eSVikas Chaudhary static uint8_t 1932a49a78eSVikas Chaudhary qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha) 1942a49a78eSVikas Chaudhary { 1952a49a78eSVikas Chaudhary uint8_t ipv4_wait = 0; 1962a49a78eSVikas Chaudhary uint8_t ipv6_wait = 0; 1972a49a78eSVikas Chaudhary int8_t ip_address[IPv6_ADDR_LEN] = {0} ; 1982a49a78eSVikas Chaudhary 1992a49a78eSVikas Chaudhary /* If both IPv4 & IPv6 are enabled, possibly only one 2002a49a78eSVikas Chaudhary * IP address may be acquired, so check to see if we 2012a49a78eSVikas Chaudhary * need to wait for another */ 2022a49a78eSVikas Chaudhary if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) { 2032a49a78eSVikas Chaudhary if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) && 2042a49a78eSVikas Chaudhary ((ha->addl_fw_state & 2052a49a78eSVikas Chaudhary FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) { 2062a49a78eSVikas Chaudhary ipv4_wait = 1; 2072a49a78eSVikas Chaudhary } 2082a49a78eSVikas Chaudhary if (((ha->ipv6_addl_options & 2092a49a78eSVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) && 2102a49a78eSVikas Chaudhary ((ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING) || 2112a49a78eSVikas Chaudhary (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING) || 2122a49a78eSVikas Chaudhary (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING))) { 2132a49a78eSVikas Chaudhary 2142a49a78eSVikas Chaudhary ipv6_wait = 1; 2152a49a78eSVikas Chaudhary 2162a49a78eSVikas Chaudhary if ((ha->ipv6_link_local_state == 2172a49a78eSVikas Chaudhary IP_ADDRSTATE_PREFERRED) || 2182a49a78eSVikas Chaudhary (ha->ipv6_addr0_state == IP_ADDRSTATE_PREFERRED) || 2192a49a78eSVikas Chaudhary (ha->ipv6_addr1_state == IP_ADDRSTATE_PREFERRED)) { 2202a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 2212a49a78eSVikas Chaudhary "Preferred IP configured." 2222a49a78eSVikas Chaudhary " Don't wait!\n", ha->host_no, 2232a49a78eSVikas Chaudhary __func__)); 2242a49a78eSVikas Chaudhary ipv6_wait = 0; 2252a49a78eSVikas Chaudhary } 2262a49a78eSVikas Chaudhary if (memcmp(&ha->ipv6_default_router_addr, ip_address, 2272a49a78eSVikas Chaudhary IPv6_ADDR_LEN) == 0) { 2282a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 2292a49a78eSVikas Chaudhary "No Router configured. " 2302a49a78eSVikas Chaudhary "Don't wait!\n", ha->host_no, 2312a49a78eSVikas Chaudhary __func__)); 2322a49a78eSVikas Chaudhary ipv6_wait = 0; 2332a49a78eSVikas Chaudhary } 2342a49a78eSVikas Chaudhary if ((ha->ipv6_default_router_state == 2352a49a78eSVikas Chaudhary IPV6_RTRSTATE_MANUAL) && 2362a49a78eSVikas Chaudhary (ha->ipv6_link_local_state == 2372a49a78eSVikas Chaudhary IP_ADDRSTATE_TENTATIVE) && 2382a49a78eSVikas Chaudhary (memcmp(&ha->ipv6_link_local_addr, 2392a49a78eSVikas Chaudhary &ha->ipv6_default_router_addr, 4) == 0)) { 2402a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: LinkLocal Router & " 2412a49a78eSVikas Chaudhary "IP configured. Don't wait!\n", 2422a49a78eSVikas Chaudhary ha->host_no, __func__)); 2432a49a78eSVikas Chaudhary ipv6_wait = 0; 2442a49a78eSVikas Chaudhary } 2452a49a78eSVikas Chaudhary } 2462a49a78eSVikas Chaudhary if (ipv4_wait || ipv6_wait) { 2472a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Wait for additional " 2482a49a78eSVikas Chaudhary "IP(s) \"", ha->host_no, __func__)); 2492a49a78eSVikas Chaudhary if (ipv4_wait) 2502a49a78eSVikas Chaudhary DEBUG2(printk("IPv4 ")); 2512a49a78eSVikas Chaudhary if (ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING) 2522a49a78eSVikas Chaudhary DEBUG2(printk("IPv6LinkLocal ")); 2532a49a78eSVikas Chaudhary if (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING) 2542a49a78eSVikas Chaudhary DEBUG2(printk("IPv6Addr0 ")); 2552a49a78eSVikas Chaudhary if (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING) 2562a49a78eSVikas Chaudhary DEBUG2(printk("IPv6Addr1 ")); 2572a49a78eSVikas Chaudhary DEBUG2(printk("\"\n")); 2582a49a78eSVikas Chaudhary } 2592a49a78eSVikas Chaudhary } 2602a49a78eSVikas Chaudhary 2612a49a78eSVikas Chaudhary return ipv4_wait|ipv6_wait; 2622a49a78eSVikas Chaudhary } 2632a49a78eSVikas Chaudhary 264afaf5a2dSDavid Somayajulu static int qla4xxx_fw_ready(struct scsi_qla_host *ha) 265afaf5a2dSDavid Somayajulu { 266afaf5a2dSDavid Somayajulu uint32_t timeout_count; 267afaf5a2dSDavid Somayajulu int ready = 0; 268afaf5a2dSDavid Somayajulu 269afaf5a2dSDavid Somayajulu DEBUG2(dev_info(&ha->pdev->dev, "Waiting for Firmware Ready..\n")); 270afaf5a2dSDavid Somayajulu for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0; 271afaf5a2dSDavid Somayajulu timeout_count--) { 272afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 273afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 274afaf5a2dSDavid Somayajulu 275afaf5a2dSDavid Somayajulu /* Get firmware state. */ 276afaf5a2dSDavid Somayajulu if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) { 277afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: unable to get firmware " 278afaf5a2dSDavid Somayajulu "state\n", ha->host_no, __func__)); 279afaf5a2dSDavid Somayajulu break; 280afaf5a2dSDavid Somayajulu 281afaf5a2dSDavid Somayajulu } 282afaf5a2dSDavid Somayajulu 283afaf5a2dSDavid Somayajulu if (ha->firmware_state & FW_STATE_ERROR) { 284afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: an unrecoverable error has" 285afaf5a2dSDavid Somayajulu " occurred\n", ha->host_no, __func__)); 286afaf5a2dSDavid Somayajulu break; 287afaf5a2dSDavid Somayajulu 288afaf5a2dSDavid Somayajulu } 289afaf5a2dSDavid Somayajulu if (ha->firmware_state & FW_STATE_CONFIG_WAIT) { 290afaf5a2dSDavid Somayajulu /* 291afaf5a2dSDavid Somayajulu * The firmware has not yet been issued an Initialize 292afaf5a2dSDavid Somayajulu * Firmware command, so issue it now. 293afaf5a2dSDavid Somayajulu */ 294afaf5a2dSDavid Somayajulu if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) 295afaf5a2dSDavid Somayajulu break; 296afaf5a2dSDavid Somayajulu 297afaf5a2dSDavid Somayajulu /* Go back and test for ready state - no wait. */ 298afaf5a2dSDavid Somayajulu continue; 299afaf5a2dSDavid Somayajulu } 300afaf5a2dSDavid Somayajulu 3012a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { 3022a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" 3032a49a78eSVikas Chaudhary "AUTOCONNECT in progress\n", 3042a49a78eSVikas Chaudhary ha->host_no, __func__)); 3052a49a78eSVikas Chaudhary } 3062a49a78eSVikas Chaudhary 3072a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { 3082a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" 3092a49a78eSVikas Chaudhary " CONFIGURING IP\n", 3102a49a78eSVikas Chaudhary ha->host_no, __func__)); 3112a49a78eSVikas Chaudhary /* 3122a49a78eSVikas Chaudhary * Check for link state after 15 secs and if link is 3132a49a78eSVikas Chaudhary * still DOWN then, cable is unplugged. Ignore "DHCP 3142a49a78eSVikas Chaudhary * in Progress/CONFIGURING IP" bit to check if firmware 3152a49a78eSVikas Chaudhary * is in ready state or not after 15 secs. 3162a49a78eSVikas Chaudhary * This is applicable for both 2.x & 3.x firmware 3172a49a78eSVikas Chaudhary */ 3182a49a78eSVikas Chaudhary if (timeout_count <= (ADAPTER_INIT_TOV - 15)) { 3192a49a78eSVikas Chaudhary if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) { 3202a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s:" 3212a49a78eSVikas Chaudhary " LINK UP (Cable plugged)\n", 3222a49a78eSVikas Chaudhary ha->host_no, __func__)); 3232a49a78eSVikas Chaudhary } else if (ha->firmware_state & 3242a49a78eSVikas Chaudhary (FW_STATE_CONFIGURING_IP | 3252a49a78eSVikas Chaudhary FW_STATE_READY)) { 3262a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 3272a49a78eSVikas Chaudhary "LINK DOWN (Cable unplugged)\n", 3282a49a78eSVikas Chaudhary ha->host_no, __func__)); 3292a49a78eSVikas Chaudhary ha->firmware_state = FW_STATE_READY; 3302a49a78eSVikas Chaudhary } 3312a49a78eSVikas Chaudhary } 3322a49a78eSVikas Chaudhary } 3332a49a78eSVikas Chaudhary 334afaf5a2dSDavid Somayajulu if (ha->firmware_state == FW_STATE_READY) { 3352a49a78eSVikas Chaudhary /* If DHCP IP Addr is available, retrieve it now. */ 3362a49a78eSVikas Chaudhary if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, 3372a49a78eSVikas Chaudhary &ha->dpc_flags)) 3382a49a78eSVikas Chaudhary qla4xxx_get_dhcp_ip_address(ha); 3392a49a78eSVikas Chaudhary 3402a49a78eSVikas Chaudhary if (!qla4xxx_wait_for_ip_config(ha) || 3412a49a78eSVikas Chaudhary timeout_count == 1) { 342afaf5a2dSDavid Somayajulu DEBUG2(dev_info(&ha->pdev->dev, 3432a49a78eSVikas Chaudhary "Firmware Ready..\n")); 3442a49a78eSVikas Chaudhary /* The firmware is ready to process SCSI 3452a49a78eSVikas Chaudhary commands. */ 3462a49a78eSVikas Chaudhary DEBUG2(dev_info(&ha->pdev->dev, 3472a49a78eSVikas Chaudhary "scsi%ld: %s: MEDIA TYPE" 3482a49a78eSVikas Chaudhary " - %s\n", ha->host_no, 349afaf5a2dSDavid Somayajulu __func__, (ha->addl_fw_state & 350afaf5a2dSDavid Somayajulu FW_ADDSTATE_OPTICAL_MEDIA) 351afaf5a2dSDavid Somayajulu != 0 ? "OPTICAL" : "COPPER")); 352afaf5a2dSDavid Somayajulu DEBUG2(dev_info(&ha->pdev->dev, 3532a49a78eSVikas Chaudhary "scsi%ld: %s: DHCPv4 STATE" 3542a49a78eSVikas Chaudhary " Enabled %s\n", ha->host_no, 3552a49a78eSVikas Chaudhary __func__, (ha->addl_fw_state & 3562a49a78eSVikas Chaudhary FW_ADDSTATE_DHCPv4_ENABLED) != 0 ? 357afaf5a2dSDavid Somayajulu "YES" : "NO")); 358afaf5a2dSDavid Somayajulu DEBUG2(dev_info(&ha->pdev->dev, 359afaf5a2dSDavid Somayajulu "scsi%ld: %s: LINK %s\n", 360afaf5a2dSDavid Somayajulu ha->host_no, __func__, 361afaf5a2dSDavid Somayajulu (ha->addl_fw_state & 362afaf5a2dSDavid Somayajulu FW_ADDSTATE_LINK_UP) != 0 ? 363afaf5a2dSDavid Somayajulu "UP" : "DOWN")); 364afaf5a2dSDavid Somayajulu DEBUG2(dev_info(&ha->pdev->dev, 365afaf5a2dSDavid Somayajulu "scsi%ld: %s: iSNS Service " 366afaf5a2dSDavid Somayajulu "Started %s\n", 367afaf5a2dSDavid Somayajulu ha->host_no, __func__, 368afaf5a2dSDavid Somayajulu (ha->addl_fw_state & 369afaf5a2dSDavid Somayajulu FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ? 370afaf5a2dSDavid Somayajulu "YES" : "NO")); 371afaf5a2dSDavid Somayajulu 372afaf5a2dSDavid Somayajulu ready = 1; 373afaf5a2dSDavid Somayajulu break; 374afaf5a2dSDavid Somayajulu } 3752a49a78eSVikas Chaudhary } 376afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - " 377afaf5a2dSDavid Somayajulu "seconds expired= %d\n", ha->host_no, __func__, 378afaf5a2dSDavid Somayajulu ha->firmware_state, ha->addl_fw_state, 379afaf5a2dSDavid Somayajulu timeout_count)); 380d915058fSDavid C Somayajulu if (is_qla4032(ha) && 381d915058fSDavid C Somayajulu !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) && 382d915058fSDavid C Somayajulu (timeout_count < ADAPTER_INIT_TOV - 5)) { 383d915058fSDavid C Somayajulu break; 384d915058fSDavid C Somayajulu } 385d915058fSDavid C Somayajulu 386afaf5a2dSDavid Somayajulu msleep(1000); 387afaf5a2dSDavid Somayajulu } /* end of for */ 388afaf5a2dSDavid Somayajulu 3892a49a78eSVikas Chaudhary if (timeout_count <= 0) 390afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n", 391afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 392afaf5a2dSDavid Somayajulu 3932a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { 3942a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting " 3952a49a78eSVikas Chaudhary "it's waiting to configure an IP address\n", 396afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 397afaf5a2dSDavid Somayajulu ready = 1; 3982a49a78eSVikas Chaudhary } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { 3992a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: FW initialized, but " 4002a49a78eSVikas Chaudhary "auto-discovery still in process\n", 4012a49a78eSVikas Chaudhary ha->host_no, __func__)); 402afaf5a2dSDavid Somayajulu } 403afaf5a2dSDavid Somayajulu 404afaf5a2dSDavid Somayajulu return ready; 405afaf5a2dSDavid Somayajulu } 406afaf5a2dSDavid Somayajulu 407afaf5a2dSDavid Somayajulu /** 408afaf5a2dSDavid Somayajulu * qla4xxx_init_firmware - initializes the firmware. 409afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 410afaf5a2dSDavid Somayajulu * 411afaf5a2dSDavid Somayajulu **/ 412afaf5a2dSDavid Somayajulu static int qla4xxx_init_firmware(struct scsi_qla_host *ha) 413afaf5a2dSDavid Somayajulu { 414afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 415afaf5a2dSDavid Somayajulu 416afaf5a2dSDavid Somayajulu dev_info(&ha->pdev->dev, "Initializing firmware..\n"); 417afaf5a2dSDavid Somayajulu if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) { 418afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware " 419afaf5a2dSDavid Somayajulu "control block\n", ha->host_no, __func__)); 420afaf5a2dSDavid Somayajulu return status; 421afaf5a2dSDavid Somayajulu } 422afaf5a2dSDavid Somayajulu if (!qla4xxx_fw_ready(ha)) 423afaf5a2dSDavid Somayajulu return status; 424afaf5a2dSDavid Somayajulu 425afaf5a2dSDavid Somayajulu return qla4xxx_get_firmware_status(ha); 426afaf5a2dSDavid Somayajulu } 427afaf5a2dSDavid Somayajulu 428afaf5a2dSDavid Somayajulu static struct ddb_entry* qla4xxx_get_ddb_entry(struct scsi_qla_host *ha, 42992b72736SDavid C Somayajulu uint32_t fw_ddb_index, 43092b72736SDavid C Somayajulu uint32_t *new_tgt) 431afaf5a2dSDavid Somayajulu { 432afaf5a2dSDavid Somayajulu struct dev_db_entry *fw_ddb_entry = NULL; 433afaf5a2dSDavid Somayajulu dma_addr_t fw_ddb_entry_dma; 434afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = NULL; 435afaf5a2dSDavid Somayajulu int found = 0; 436afaf5a2dSDavid Somayajulu uint32_t device_state; 437afaf5a2dSDavid Somayajulu 43892b72736SDavid C Somayajulu *new_tgt = 0; 439afaf5a2dSDavid Somayajulu /* Make sure the dma buffer is valid */ 440afaf5a2dSDavid Somayajulu fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 441afaf5a2dSDavid Somayajulu sizeof(*fw_ddb_entry), 442afaf5a2dSDavid Somayajulu &fw_ddb_entry_dma, GFP_KERNEL); 443afaf5a2dSDavid Somayajulu if (fw_ddb_entry == NULL) { 444afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", 445afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 446afaf5a2dSDavid Somayajulu return NULL; 447afaf5a2dSDavid Somayajulu } 448afaf5a2dSDavid Somayajulu 449afaf5a2dSDavid Somayajulu if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry, 450afaf5a2dSDavid Somayajulu fw_ddb_entry_dma, NULL, NULL, 451afaf5a2dSDavid Somayajulu &device_state, NULL, NULL, NULL) == 452afaf5a2dSDavid Somayajulu QLA_ERROR) { 453afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: failed get_ddb_entry for " 454afaf5a2dSDavid Somayajulu "fw_ddb_index %d\n", ha->host_no, __func__, 455afaf5a2dSDavid Somayajulu fw_ddb_index)); 456afaf5a2dSDavid Somayajulu return NULL; 457afaf5a2dSDavid Somayajulu } 458afaf5a2dSDavid Somayajulu 459afaf5a2dSDavid Somayajulu /* Allocate DDB if not already allocated. */ 460afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Looking for ddb[%d]\n", ha->host_no, 461afaf5a2dSDavid Somayajulu __func__, fw_ddb_index)); 462afaf5a2dSDavid Somayajulu list_for_each_entry(ddb_entry, &ha->ddb_list, list) { 46341bbdbebSMike Christie if ((memcmp(ddb_entry->iscsi_name, fw_ddb_entry->iscsi_name, 46441bbdbebSMike Christie ISCSI_NAME_SIZE) == 0) && 46541bbdbebSMike Christie (ddb_entry->tpgt == 46641bbdbebSMike Christie le32_to_cpu(fw_ddb_entry->tgt_portal_grp)) && 46741bbdbebSMike Christie (memcmp(ddb_entry->isid, fw_ddb_entry->isid, 46841bbdbebSMike Christie sizeof(ddb_entry->isid)) == 0)) { 469afaf5a2dSDavid Somayajulu found++; 470afaf5a2dSDavid Somayajulu break; 471afaf5a2dSDavid Somayajulu } 472afaf5a2dSDavid Somayajulu } 473afaf5a2dSDavid Somayajulu 474afaf5a2dSDavid Somayajulu if (!found) { 475afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: ddb[%d] not found - allocating " 476afaf5a2dSDavid Somayajulu "new ddb\n", ha->host_no, __func__, 477afaf5a2dSDavid Somayajulu fw_ddb_index)); 47892b72736SDavid C Somayajulu *new_tgt = 1; 479afaf5a2dSDavid Somayajulu ddb_entry = qla4xxx_alloc_ddb(ha, fw_ddb_index); 480afaf5a2dSDavid Somayajulu } 481afaf5a2dSDavid Somayajulu 482afaf5a2dSDavid Somayajulu /* if not found allocate new ddb */ 483afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 484afaf5a2dSDavid Somayajulu fw_ddb_entry_dma); 485afaf5a2dSDavid Somayajulu 486afaf5a2dSDavid Somayajulu return ddb_entry; 487afaf5a2dSDavid Somayajulu } 488afaf5a2dSDavid Somayajulu 489afaf5a2dSDavid Somayajulu /** 490afaf5a2dSDavid Somayajulu * qla4xxx_update_ddb_entry - update driver's internal ddb 491afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 492afaf5a2dSDavid Somayajulu * @ddb_entry: pointer to device database structure to be filled 493afaf5a2dSDavid Somayajulu * @fw_ddb_index: index of the ddb entry in fw ddb table 494afaf5a2dSDavid Somayajulu * 495afaf5a2dSDavid Somayajulu * This routine updates the driver's internal device database entry 496afaf5a2dSDavid Somayajulu * with information retrieved from the firmware's device database 497afaf5a2dSDavid Somayajulu * entry for the specified device. The ddb_entry->fw_ddb_index field 498afaf5a2dSDavid Somayajulu * must be initialized prior to calling this routine 499afaf5a2dSDavid Somayajulu * 500afaf5a2dSDavid Somayajulu **/ 50147975477SAdrian Bunk static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha, 502afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 503afaf5a2dSDavid Somayajulu uint32_t fw_ddb_index) 504afaf5a2dSDavid Somayajulu { 505afaf5a2dSDavid Somayajulu struct dev_db_entry *fw_ddb_entry = NULL; 506afaf5a2dSDavid Somayajulu dma_addr_t fw_ddb_entry_dma; 507afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 508afaf5a2dSDavid Somayajulu 509afaf5a2dSDavid Somayajulu if (ddb_entry == NULL) { 510afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: ddb_entry is NULL\n", ha->host_no, 511afaf5a2dSDavid Somayajulu __func__)); 512afaf5a2dSDavid Somayajulu goto exit_update_ddb; 513afaf5a2dSDavid Somayajulu } 514afaf5a2dSDavid Somayajulu 515afaf5a2dSDavid Somayajulu /* Make sure the dma buffer is valid */ 516afaf5a2dSDavid Somayajulu fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 517afaf5a2dSDavid Somayajulu sizeof(*fw_ddb_entry), 518afaf5a2dSDavid Somayajulu &fw_ddb_entry_dma, GFP_KERNEL); 519afaf5a2dSDavid Somayajulu if (fw_ddb_entry == NULL) { 520afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", 521afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 522afaf5a2dSDavid Somayajulu 523afaf5a2dSDavid Somayajulu goto exit_update_ddb; 524afaf5a2dSDavid Somayajulu } 525afaf5a2dSDavid Somayajulu 526afaf5a2dSDavid Somayajulu if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry, 527afaf5a2dSDavid Somayajulu fw_ddb_entry_dma, NULL, NULL, 528afaf5a2dSDavid Somayajulu &ddb_entry->fw_ddb_device_state, NULL, 529afaf5a2dSDavid Somayajulu &ddb_entry->tcp_source_port_num, 530afaf5a2dSDavid Somayajulu &ddb_entry->connection_id) == 531afaf5a2dSDavid Somayajulu QLA_ERROR) { 532afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: failed get_ddb_entry for " 533afaf5a2dSDavid Somayajulu "fw_ddb_index %d\n", ha->host_no, __func__, 534afaf5a2dSDavid Somayajulu fw_ddb_index)); 535afaf5a2dSDavid Somayajulu 536afaf5a2dSDavid Somayajulu goto exit_update_ddb; 537afaf5a2dSDavid Somayajulu } 538afaf5a2dSDavid Somayajulu 539afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 5402a49a78eSVikas Chaudhary ddb_entry->options = le16_to_cpu(fw_ddb_entry->options); 54192b72736SDavid C Somayajulu ddb_entry->target_session_id = le16_to_cpu(fw_ddb_entry->tsid); 542afaf5a2dSDavid Somayajulu ddb_entry->task_mgmt_timeout = 54392b72736SDavid C Somayajulu le16_to_cpu(fw_ddb_entry->def_timeout); 544afaf5a2dSDavid Somayajulu ddb_entry->CmdSn = 0; 54592b72736SDavid C Somayajulu ddb_entry->exe_throttle = le16_to_cpu(fw_ddb_entry->exec_throttle); 546afaf5a2dSDavid Somayajulu ddb_entry->default_relogin_timeout = 54792b72736SDavid C Somayajulu le16_to_cpu(fw_ddb_entry->def_timeout); 54892b72736SDavid C Somayajulu ddb_entry->default_time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 549afaf5a2dSDavid Somayajulu 550afaf5a2dSDavid Somayajulu /* Update index in case it changed */ 551afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_index = fw_ddb_index; 552afaf5a2dSDavid Somayajulu ha->fw_ddb_index_map[fw_ddb_index] = ddb_entry; 553afaf5a2dSDavid Somayajulu 55492b72736SDavid C Somayajulu ddb_entry->port = le16_to_cpu(fw_ddb_entry->port); 55592b72736SDavid C Somayajulu ddb_entry->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 55641bbdbebSMike Christie memcpy(ddb_entry->isid, fw_ddb_entry->isid, sizeof(ddb_entry->isid)); 55741bbdbebSMike Christie 55892b72736SDavid C Somayajulu memcpy(&ddb_entry->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 559afaf5a2dSDavid Somayajulu min(sizeof(ddb_entry->iscsi_name), 56092b72736SDavid C Somayajulu sizeof(fw_ddb_entry->iscsi_name))); 56192b72736SDavid C Somayajulu memcpy(&ddb_entry->ip_addr[0], &fw_ddb_entry->ip_addr[0], 56292b72736SDavid C Somayajulu min(sizeof(ddb_entry->ip_addr), sizeof(fw_ddb_entry->ip_addr))); 563afaf5a2dSDavid Somayajulu 5642a49a78eSVikas Chaudhary ddb_entry->iscsi_max_burst_len = fw_ddb_entry->iscsi_max_burst_len; 5652a49a78eSVikas Chaudhary ddb_entry->iscsi_max_outsnd_r2t = fw_ddb_entry->iscsi_max_outsnd_r2t; 5662a49a78eSVikas Chaudhary ddb_entry->iscsi_first_burst_len = fw_ddb_entry->iscsi_first_burst_len; 5672a49a78eSVikas Chaudhary ddb_entry->iscsi_max_rcv_data_seg_len = 5682a49a78eSVikas Chaudhary fw_ddb_entry->iscsi_max_rcv_data_seg_len; 5692a49a78eSVikas Chaudhary ddb_entry->iscsi_max_snd_data_seg_len = 5702a49a78eSVikas Chaudhary fw_ddb_entry->iscsi_max_snd_data_seg_len; 5712a49a78eSVikas Chaudhary 5722a49a78eSVikas Chaudhary if (ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 5732a49a78eSVikas Chaudhary memcpy(&ddb_entry->remote_ipv6_addr, 5742a49a78eSVikas Chaudhary fw_ddb_entry->ip_addr, 5752a49a78eSVikas Chaudhary min(sizeof(ddb_entry->remote_ipv6_addr), 5762a49a78eSVikas Chaudhary sizeof(fw_ddb_entry->ip_addr))); 5772a49a78eSVikas Chaudhary memcpy(&ddb_entry->link_local_ipv6_addr, 5782a49a78eSVikas Chaudhary fw_ddb_entry->link_local_ipv6_addr, 5792a49a78eSVikas Chaudhary min(sizeof(ddb_entry->link_local_ipv6_addr), 5802a49a78eSVikas Chaudhary sizeof(fw_ddb_entry->link_local_ipv6_addr))); 5812a49a78eSVikas Chaudhary } 5822a49a78eSVikas Chaudhary 583afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: ddb[%d] - State= %x status= %d.\n", 584afaf5a2dSDavid Somayajulu ha->host_no, __func__, fw_ddb_index, 585afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_device_state, status)); 586afaf5a2dSDavid Somayajulu 587afaf5a2dSDavid Somayajulu exit_update_ddb: 588afaf5a2dSDavid Somayajulu if (fw_ddb_entry) 589afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 590afaf5a2dSDavid Somayajulu fw_ddb_entry, fw_ddb_entry_dma); 591afaf5a2dSDavid Somayajulu 592afaf5a2dSDavid Somayajulu return status; 593afaf5a2dSDavid Somayajulu } 594afaf5a2dSDavid Somayajulu 595afaf5a2dSDavid Somayajulu /** 596afaf5a2dSDavid Somayajulu * qla4xxx_alloc_ddb - allocate device database entry 597afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 598afaf5a2dSDavid Somayajulu * @fw_ddb_index: Firmware's device database index 599afaf5a2dSDavid Somayajulu * 600afaf5a2dSDavid Somayajulu * This routine allocates a ddb_entry, ititializes some values, and 601afaf5a2dSDavid Somayajulu * inserts it into the ddb list. 602afaf5a2dSDavid Somayajulu **/ 60347975477SAdrian Bunk static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha, 604afaf5a2dSDavid Somayajulu uint32_t fw_ddb_index) 605afaf5a2dSDavid Somayajulu { 606afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry; 607afaf5a2dSDavid Somayajulu 608afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: fw_ddb_index [%d]\n", ha->host_no, 609afaf5a2dSDavid Somayajulu __func__, fw_ddb_index)); 610afaf5a2dSDavid Somayajulu 611afaf5a2dSDavid Somayajulu ddb_entry = qla4xxx_alloc_sess(ha); 612afaf5a2dSDavid Somayajulu if (ddb_entry == NULL) { 613afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Unable to allocate memory " 614afaf5a2dSDavid Somayajulu "to add fw_ddb_index [%d]\n", 615afaf5a2dSDavid Somayajulu ha->host_no, __func__, fw_ddb_index)); 616afaf5a2dSDavid Somayajulu return ddb_entry; 617afaf5a2dSDavid Somayajulu } 618afaf5a2dSDavid Somayajulu 619afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_index = fw_ddb_index; 620afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->port_down_timer, ha->port_down_retry_count); 621afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 622afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->relogin_timer, 0); 623afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->relogin_retry_count, 0); 624afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->state, DDB_STATE_ONLINE); 625afaf5a2dSDavid Somayajulu list_add_tail(&ddb_entry->list, &ha->ddb_list); 626afaf5a2dSDavid Somayajulu ha->fw_ddb_index_map[fw_ddb_index] = ddb_entry; 627afaf5a2dSDavid Somayajulu ha->tot_ddbs++; 628afaf5a2dSDavid Somayajulu 629afaf5a2dSDavid Somayajulu return ddb_entry; 630afaf5a2dSDavid Somayajulu } 631afaf5a2dSDavid Somayajulu 632afaf5a2dSDavid Somayajulu /** 633afaf5a2dSDavid Somayajulu * qla4xxx_configure_ddbs - builds driver ddb list 634afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 635afaf5a2dSDavid Somayajulu * 636afaf5a2dSDavid Somayajulu * This routine searches for all valid firmware ddb entries and builds 637afaf5a2dSDavid Somayajulu * an internal ddb list. Ddbs that are considered valid are those with 638afaf5a2dSDavid Somayajulu * a device state of SESSION_ACTIVE. 639afaf5a2dSDavid Somayajulu **/ 640afaf5a2dSDavid Somayajulu static int qla4xxx_build_ddb_list(struct scsi_qla_host *ha) 641afaf5a2dSDavid Somayajulu { 642afaf5a2dSDavid Somayajulu int status = QLA_SUCCESS; 643afaf5a2dSDavid Somayajulu uint32_t fw_ddb_index = 0; 644afaf5a2dSDavid Somayajulu uint32_t next_fw_ddb_index = 0; 645afaf5a2dSDavid Somayajulu uint32_t ddb_state; 646afaf5a2dSDavid Somayajulu uint32_t conn_err, err_code; 647afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry; 64892b72736SDavid C Somayajulu uint32_t new_tgt; 649afaf5a2dSDavid Somayajulu 650afaf5a2dSDavid Somayajulu dev_info(&ha->pdev->dev, "Initializing DDBs ...\n"); 651afaf5a2dSDavid Somayajulu for (fw_ddb_index = 0; fw_ddb_index < MAX_DDB_ENTRIES; 652afaf5a2dSDavid Somayajulu fw_ddb_index = next_fw_ddb_index) { 653afaf5a2dSDavid Somayajulu /* First, let's see if a device exists here */ 654afaf5a2dSDavid Somayajulu if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, NULL, 0, NULL, 655afaf5a2dSDavid Somayajulu &next_fw_ddb_index, &ddb_state, 656afaf5a2dSDavid Somayajulu &conn_err, NULL, NULL) == 657afaf5a2dSDavid Somayajulu QLA_ERROR) { 658afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: get_ddb_entry, " 659afaf5a2dSDavid Somayajulu "fw_ddb_index %d failed", ha->host_no, 660afaf5a2dSDavid Somayajulu __func__, fw_ddb_index)); 661afaf5a2dSDavid Somayajulu return QLA_ERROR; 662afaf5a2dSDavid Somayajulu } 663afaf5a2dSDavid Somayajulu 664afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Getting DDB[%d] ddbstate=0x%x, " 665afaf5a2dSDavid Somayajulu "next_fw_ddb_index=%d.\n", ha->host_no, __func__, 666afaf5a2dSDavid Somayajulu fw_ddb_index, ddb_state, next_fw_ddb_index)); 667afaf5a2dSDavid Somayajulu 668afaf5a2dSDavid Somayajulu /* Issue relogin, if necessary. */ 669afaf5a2dSDavid Somayajulu if (ddb_state == DDB_DS_SESSION_FAILED || 670afaf5a2dSDavid Somayajulu ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) { 671afaf5a2dSDavid Somayajulu /* Try and login to device */ 672afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Login to DDB[%d]\n", 673afaf5a2dSDavid Somayajulu ha->host_no, __func__, fw_ddb_index)); 674afaf5a2dSDavid Somayajulu err_code = ((conn_err & 0x00ff0000) >> 16); 675afaf5a2dSDavid Somayajulu if (err_code == 0x1c || err_code == 0x06) { 676afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s send target " 677afaf5a2dSDavid Somayajulu "completed " 678afaf5a2dSDavid Somayajulu "or access denied failure\n", 679afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 68092b72736SDavid C Somayajulu } else { 681afaf5a2dSDavid Somayajulu qla4xxx_set_ddb_entry(ha, fw_ddb_index, 0); 68292b72736SDavid C Somayajulu if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, 68392b72736SDavid C Somayajulu NULL, 0, NULL, &next_fw_ddb_index, 68492b72736SDavid C Somayajulu &ddb_state, &conn_err, NULL, NULL) 68592b72736SDavid C Somayajulu == QLA_ERROR) { 68692b72736SDavid C Somayajulu DEBUG2(printk("scsi%ld: %s:" 68792b72736SDavid C Somayajulu "get_ddb_entry %d failed\n", 68892b72736SDavid C Somayajulu ha->host_no, 68992b72736SDavid C Somayajulu __func__, fw_ddb_index)); 69092b72736SDavid C Somayajulu return QLA_ERROR; 69192b72736SDavid C Somayajulu } 69292b72736SDavid C Somayajulu } 693afaf5a2dSDavid Somayajulu } 694afaf5a2dSDavid Somayajulu 695afaf5a2dSDavid Somayajulu if (ddb_state != DDB_DS_SESSION_ACTIVE) 696afaf5a2dSDavid Somayajulu goto next_one; 697afaf5a2dSDavid Somayajulu /* 698afaf5a2dSDavid Somayajulu * if fw_ddb with session active state found, 699afaf5a2dSDavid Somayajulu * add to ddb_list 700afaf5a2dSDavid Somayajulu */ 701afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: DDB[%d] added to list\n", 702afaf5a2dSDavid Somayajulu ha->host_no, __func__, fw_ddb_index)); 703afaf5a2dSDavid Somayajulu 704afaf5a2dSDavid Somayajulu /* Add DDB to internal our ddb list. */ 70592b72736SDavid C Somayajulu ddb_entry = qla4xxx_get_ddb_entry(ha, fw_ddb_index, &new_tgt); 706afaf5a2dSDavid Somayajulu if (ddb_entry == NULL) { 707afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Unable to allocate memory " 708afaf5a2dSDavid Somayajulu "for device at fw_ddb_index %d\n", 709afaf5a2dSDavid Somayajulu ha->host_no, __func__, fw_ddb_index)); 710afaf5a2dSDavid Somayajulu return QLA_ERROR; 711afaf5a2dSDavid Somayajulu } 712afaf5a2dSDavid Somayajulu /* Fill in the device structure */ 713afaf5a2dSDavid Somayajulu if (qla4xxx_update_ddb_entry(ha, ddb_entry, fw_ddb_index) == 714afaf5a2dSDavid Somayajulu QLA_ERROR) { 715afaf5a2dSDavid Somayajulu ha->fw_ddb_index_map[fw_ddb_index] = 716afaf5a2dSDavid Somayajulu (struct ddb_entry *)INVALID_ENTRY; 717afaf5a2dSDavid Somayajulu 718afaf5a2dSDavid Somayajulu 719afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: update_ddb_entry failed " 720afaf5a2dSDavid Somayajulu "for fw_ddb_index %d.\n", 721afaf5a2dSDavid Somayajulu ha->host_no, __func__, fw_ddb_index)); 722afaf5a2dSDavid Somayajulu return QLA_ERROR; 723afaf5a2dSDavid Somayajulu } 724afaf5a2dSDavid Somayajulu 725afaf5a2dSDavid Somayajulu next_one: 726afaf5a2dSDavid Somayajulu /* We know we've reached the last device when 727afaf5a2dSDavid Somayajulu * next_fw_ddb_index is 0 */ 728afaf5a2dSDavid Somayajulu if (next_fw_ddb_index == 0) 729afaf5a2dSDavid Somayajulu break; 730afaf5a2dSDavid Somayajulu } 731afaf5a2dSDavid Somayajulu 732afaf5a2dSDavid Somayajulu dev_info(&ha->pdev->dev, "DDB list done..\n"); 733afaf5a2dSDavid Somayajulu 734afaf5a2dSDavid Somayajulu return status; 735afaf5a2dSDavid Somayajulu } 736afaf5a2dSDavid Somayajulu 737afaf5a2dSDavid Somayajulu struct qla4_relog_scan { 738afaf5a2dSDavid Somayajulu int halt_wait; 739afaf5a2dSDavid Somayajulu uint32_t conn_err; 740afaf5a2dSDavid Somayajulu uint32_t err_code; 741afaf5a2dSDavid Somayajulu uint32_t fw_ddb_index; 742afaf5a2dSDavid Somayajulu uint32_t next_fw_ddb_index; 743afaf5a2dSDavid Somayajulu uint32_t fw_ddb_device_state; 744afaf5a2dSDavid Somayajulu }; 745afaf5a2dSDavid Somayajulu 746afaf5a2dSDavid Somayajulu static int qla4_test_rdy(struct scsi_qla_host *ha, struct qla4_relog_scan *rs) 747afaf5a2dSDavid Somayajulu { 748afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry; 749afaf5a2dSDavid Somayajulu 750afaf5a2dSDavid Somayajulu /* 751afaf5a2dSDavid Somayajulu * Don't want to do a relogin if connection 752afaf5a2dSDavid Somayajulu * error is 0x1c. 753afaf5a2dSDavid Somayajulu */ 754afaf5a2dSDavid Somayajulu rs->err_code = ((rs->conn_err & 0x00ff0000) >> 16); 755afaf5a2dSDavid Somayajulu if (rs->err_code == 0x1c || rs->err_code == 0x06) { 756afaf5a2dSDavid Somayajulu DEBUG2(printk( 757afaf5a2dSDavid Somayajulu "scsi%ld: %s send target" 758afaf5a2dSDavid Somayajulu " completed or " 759afaf5a2dSDavid Somayajulu "access denied failure\n", 760afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 761afaf5a2dSDavid Somayajulu } else { 762afaf5a2dSDavid Somayajulu /* We either have a device that is in 763afaf5a2dSDavid Somayajulu * the process of relogging in or a 764afaf5a2dSDavid Somayajulu * device that is waiting to be 765afaf5a2dSDavid Somayajulu * relogged in */ 766afaf5a2dSDavid Somayajulu rs->halt_wait = 0; 767afaf5a2dSDavid Somayajulu 768afaf5a2dSDavid Somayajulu ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 769afaf5a2dSDavid Somayajulu rs->fw_ddb_index); 770afaf5a2dSDavid Somayajulu if (ddb_entry == NULL) 771afaf5a2dSDavid Somayajulu return QLA_ERROR; 772afaf5a2dSDavid Somayajulu 773afaf5a2dSDavid Somayajulu if (ddb_entry->dev_scan_wait_to_start_relogin != 0 774afaf5a2dSDavid Somayajulu && time_after_eq(jiffies, 775afaf5a2dSDavid Somayajulu ddb_entry-> 776afaf5a2dSDavid Somayajulu dev_scan_wait_to_start_relogin)) 777afaf5a2dSDavid Somayajulu { 778afaf5a2dSDavid Somayajulu ddb_entry->dev_scan_wait_to_start_relogin = 0; 779afaf5a2dSDavid Somayajulu qla4xxx_set_ddb_entry(ha, rs->fw_ddb_index, 0); 780afaf5a2dSDavid Somayajulu } 781afaf5a2dSDavid Somayajulu } 782afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 783afaf5a2dSDavid Somayajulu } 784afaf5a2dSDavid Somayajulu 785afaf5a2dSDavid Somayajulu static int qla4_scan_for_relogin(struct scsi_qla_host *ha, 786afaf5a2dSDavid Somayajulu struct qla4_relog_scan *rs) 787afaf5a2dSDavid Somayajulu { 788afaf5a2dSDavid Somayajulu int error; 789afaf5a2dSDavid Somayajulu 790afaf5a2dSDavid Somayajulu /* scan for relogins 791afaf5a2dSDavid Somayajulu * ----------------- */ 792afaf5a2dSDavid Somayajulu for (rs->fw_ddb_index = 0; rs->fw_ddb_index < MAX_DDB_ENTRIES; 793afaf5a2dSDavid Somayajulu rs->fw_ddb_index = rs->next_fw_ddb_index) { 794afaf5a2dSDavid Somayajulu if (qla4xxx_get_fwddb_entry(ha, rs->fw_ddb_index, NULL, 0, 795afaf5a2dSDavid Somayajulu NULL, &rs->next_fw_ddb_index, 796afaf5a2dSDavid Somayajulu &rs->fw_ddb_device_state, 797afaf5a2dSDavid Somayajulu &rs->conn_err, NULL, NULL) 798afaf5a2dSDavid Somayajulu == QLA_ERROR) 799afaf5a2dSDavid Somayajulu return QLA_ERROR; 800afaf5a2dSDavid Somayajulu 801afaf5a2dSDavid Somayajulu if (rs->fw_ddb_device_state == DDB_DS_LOGIN_IN_PROCESS) 802afaf5a2dSDavid Somayajulu rs->halt_wait = 0; 803afaf5a2dSDavid Somayajulu 804afaf5a2dSDavid Somayajulu if (rs->fw_ddb_device_state == DDB_DS_SESSION_FAILED || 805afaf5a2dSDavid Somayajulu rs->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) { 806afaf5a2dSDavid Somayajulu error = qla4_test_rdy(ha, rs); 807afaf5a2dSDavid Somayajulu if (error) 808afaf5a2dSDavid Somayajulu return error; 809afaf5a2dSDavid Somayajulu } 810afaf5a2dSDavid Somayajulu 811afaf5a2dSDavid Somayajulu /* We know we've reached the last device when 812afaf5a2dSDavid Somayajulu * next_fw_ddb_index is 0 */ 813afaf5a2dSDavid Somayajulu if (rs->next_fw_ddb_index == 0) 814afaf5a2dSDavid Somayajulu break; 815afaf5a2dSDavid Somayajulu } 816afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 817afaf5a2dSDavid Somayajulu } 818afaf5a2dSDavid Somayajulu 819afaf5a2dSDavid Somayajulu /** 820afaf5a2dSDavid Somayajulu * qla4xxx_devices_ready - wait for target devices to be logged in 821afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 822afaf5a2dSDavid Somayajulu * 823afaf5a2dSDavid Somayajulu * This routine waits up to ql4xdiscoverywait seconds 824afaf5a2dSDavid Somayajulu * F/W database during driver load time. 825afaf5a2dSDavid Somayajulu **/ 826afaf5a2dSDavid Somayajulu static int qla4xxx_devices_ready(struct scsi_qla_host *ha) 827afaf5a2dSDavid Somayajulu { 828afaf5a2dSDavid Somayajulu int error; 829afaf5a2dSDavid Somayajulu unsigned long discovery_wtime; 830afaf5a2dSDavid Somayajulu struct qla4_relog_scan rs; 831afaf5a2dSDavid Somayajulu 832afaf5a2dSDavid Somayajulu discovery_wtime = jiffies + (ql4xdiscoverywait * HZ); 833afaf5a2dSDavid Somayajulu 834afaf5a2dSDavid Somayajulu DEBUG(printk("Waiting (%d) for devices ...\n", ql4xdiscoverywait)); 835afaf5a2dSDavid Somayajulu do { 836afaf5a2dSDavid Somayajulu /* poll for AEN. */ 837afaf5a2dSDavid Somayajulu qla4xxx_get_firmware_state(ha); 838afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) { 839afaf5a2dSDavid Somayajulu /* Set time-between-relogin timer */ 840afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, RELOGIN_DDB_CHANGED_AENS); 841afaf5a2dSDavid Somayajulu } 842afaf5a2dSDavid Somayajulu 843afaf5a2dSDavid Somayajulu /* if no relogins active or needed, halt discvery wait */ 844afaf5a2dSDavid Somayajulu rs.halt_wait = 1; 845afaf5a2dSDavid Somayajulu 846afaf5a2dSDavid Somayajulu error = qla4_scan_for_relogin(ha, &rs); 847afaf5a2dSDavid Somayajulu 848afaf5a2dSDavid Somayajulu if (rs.halt_wait) { 849afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Delay halted. Devices " 850afaf5a2dSDavid Somayajulu "Ready.\n", ha->host_no, __func__)); 851afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 852afaf5a2dSDavid Somayajulu } 853afaf5a2dSDavid Somayajulu 854afaf5a2dSDavid Somayajulu msleep(2000); 855afaf5a2dSDavid Somayajulu } while (!time_after_eq(jiffies, discovery_wtime)); 856afaf5a2dSDavid Somayajulu 857afaf5a2dSDavid Somayajulu DEBUG3(qla4xxx_get_conn_event_log(ha)); 858afaf5a2dSDavid Somayajulu 859afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 860afaf5a2dSDavid Somayajulu } 861afaf5a2dSDavid Somayajulu 862afaf5a2dSDavid Somayajulu static void qla4xxx_flush_AENS(struct scsi_qla_host *ha) 863afaf5a2dSDavid Somayajulu { 864afaf5a2dSDavid Somayajulu unsigned long wtime; 865afaf5a2dSDavid Somayajulu 866afaf5a2dSDavid Somayajulu /* Flush the 0x8014 AEN from the firmware as a result of 867afaf5a2dSDavid Somayajulu * Auto connect. We are basically doing get_firmware_ddb() 868afaf5a2dSDavid Somayajulu * to determine whether we need to log back in or not. 869afaf5a2dSDavid Somayajulu * Trying to do a set ddb before we have processed 0x8014 870afaf5a2dSDavid Somayajulu * will result in another set_ddb() for the same ddb. In other 871afaf5a2dSDavid Somayajulu * words there will be stale entries in the aen_q. 872afaf5a2dSDavid Somayajulu */ 873afaf5a2dSDavid Somayajulu wtime = jiffies + (2 * HZ); 874afaf5a2dSDavid Somayajulu do { 875afaf5a2dSDavid Somayajulu if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) 876afaf5a2dSDavid Somayajulu if (ha->firmware_state & (BIT_2 | BIT_0)) 877afaf5a2dSDavid Somayajulu return; 878afaf5a2dSDavid Somayajulu 879afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 880afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 881afaf5a2dSDavid Somayajulu 882afaf5a2dSDavid Somayajulu msleep(1000); 883afaf5a2dSDavid Somayajulu } while (!time_after_eq(jiffies, wtime)); 884afaf5a2dSDavid Somayajulu 885afaf5a2dSDavid Somayajulu } 886afaf5a2dSDavid Somayajulu 887afaf5a2dSDavid Somayajulu static int qla4xxx_initialize_ddb_list(struct scsi_qla_host *ha) 888afaf5a2dSDavid Somayajulu { 889afaf5a2dSDavid Somayajulu uint16_t fw_ddb_index; 890afaf5a2dSDavid Somayajulu int status = QLA_SUCCESS; 891afaf5a2dSDavid Somayajulu 892afaf5a2dSDavid Somayajulu /* free the ddb list if is not empty */ 893afaf5a2dSDavid Somayajulu if (!list_empty(&ha->ddb_list)) 894afaf5a2dSDavid Somayajulu qla4xxx_free_ddb_list(ha); 895afaf5a2dSDavid Somayajulu 896afaf5a2dSDavid Somayajulu for (fw_ddb_index = 0; fw_ddb_index < MAX_DDB_ENTRIES; fw_ddb_index++) 897afaf5a2dSDavid Somayajulu ha->fw_ddb_index_map[fw_ddb_index] = 898afaf5a2dSDavid Somayajulu (struct ddb_entry *)INVALID_ENTRY; 899afaf5a2dSDavid Somayajulu 900afaf5a2dSDavid Somayajulu ha->tot_ddbs = 0; 901afaf5a2dSDavid Somayajulu 902afaf5a2dSDavid Somayajulu qla4xxx_flush_AENS(ha); 903afaf5a2dSDavid Somayajulu 904afaf5a2dSDavid Somayajulu /* 905afaf5a2dSDavid Somayajulu * First perform device discovery for active 906afaf5a2dSDavid Somayajulu * fw ddb indexes and build 907afaf5a2dSDavid Somayajulu * ddb list. 908afaf5a2dSDavid Somayajulu */ 909afaf5a2dSDavid Somayajulu if ((status = qla4xxx_build_ddb_list(ha)) == QLA_ERROR) 910afaf5a2dSDavid Somayajulu return status; 911afaf5a2dSDavid Somayajulu 912afaf5a2dSDavid Somayajulu /* Wait for an AEN */ 913afaf5a2dSDavid Somayajulu qla4xxx_devices_ready(ha); 914afaf5a2dSDavid Somayajulu 915afaf5a2dSDavid Somayajulu /* 916afaf5a2dSDavid Somayajulu * Targets can come online after the inital discovery, so processing 917afaf5a2dSDavid Somayajulu * the aens here will catch them. 918afaf5a2dSDavid Somayajulu */ 919afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 920afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 921afaf5a2dSDavid Somayajulu 922afaf5a2dSDavid Somayajulu return status; 923afaf5a2dSDavid Somayajulu } 924afaf5a2dSDavid Somayajulu 925afaf5a2dSDavid Somayajulu /** 926afaf5a2dSDavid Somayajulu * qla4xxx_update_ddb_list - update the driver ddb list 927afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 928afaf5a2dSDavid Somayajulu * 929afaf5a2dSDavid Somayajulu * This routine obtains device information from the F/W database after 930afaf5a2dSDavid Somayajulu * firmware or adapter resets. The device table is preserved. 931afaf5a2dSDavid Somayajulu **/ 932afaf5a2dSDavid Somayajulu int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host *ha) 933afaf5a2dSDavid Somayajulu { 934afaf5a2dSDavid Somayajulu int status = QLA_SUCCESS; 935afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, *detemp; 936afaf5a2dSDavid Somayajulu 937afaf5a2dSDavid Somayajulu /* Update the device information for all devices. */ 938afaf5a2dSDavid Somayajulu list_for_each_entry_safe(ddb_entry, detemp, &ha->ddb_list, list) { 939afaf5a2dSDavid Somayajulu qla4xxx_update_ddb_entry(ha, ddb_entry, 940afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_index); 941afaf5a2dSDavid Somayajulu if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 942afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->state, DDB_STATE_ONLINE); 943afaf5a2dSDavid Somayajulu DEBUG2(printk ("scsi%ld: %s: ddb index [%d] marked " 944afaf5a2dSDavid Somayajulu "ONLINE\n", ha->host_no, __func__, 945afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_index)); 946afaf5a2dSDavid Somayajulu } else if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) 947afaf5a2dSDavid Somayajulu qla4xxx_mark_device_missing(ha, ddb_entry); 948afaf5a2dSDavid Somayajulu } 949afaf5a2dSDavid Somayajulu return status; 950afaf5a2dSDavid Somayajulu } 951afaf5a2dSDavid Somayajulu 952afaf5a2dSDavid Somayajulu /** 953afaf5a2dSDavid Somayajulu * qla4xxx_relogin_device - re-establish session 954afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 955afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 956afaf5a2dSDavid Somayajulu * 957afaf5a2dSDavid Somayajulu * This routine does a session relogin with the specified device. 958afaf5a2dSDavid Somayajulu * The ddb entry must be assigned prior to making this call. 959afaf5a2dSDavid Somayajulu **/ 960afaf5a2dSDavid Somayajulu int qla4xxx_relogin_device(struct scsi_qla_host *ha, 961afaf5a2dSDavid Somayajulu struct ddb_entry * ddb_entry) 962afaf5a2dSDavid Somayajulu { 963afaf5a2dSDavid Somayajulu uint16_t relogin_timer; 964afaf5a2dSDavid Somayajulu 965afaf5a2dSDavid Somayajulu relogin_timer = max(ddb_entry->default_relogin_timeout, 966afaf5a2dSDavid Somayajulu (uint16_t)RELOGIN_TOV); 967afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->relogin_timer, relogin_timer); 968afaf5a2dSDavid Somayajulu 969afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 970afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_index, relogin_timer)); 971afaf5a2dSDavid Somayajulu 972afaf5a2dSDavid Somayajulu qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 0); 973afaf5a2dSDavid Somayajulu 974afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 975afaf5a2dSDavid Somayajulu } 976afaf5a2dSDavid Somayajulu 977afaf5a2dSDavid Somayajulu static int qla4xxx_config_nvram(struct scsi_qla_host *ha) 978afaf5a2dSDavid Somayajulu { 979afaf5a2dSDavid Somayajulu unsigned long flags; 980afaf5a2dSDavid Somayajulu union external_hw_config_reg extHwConfig; 981afaf5a2dSDavid Somayajulu 982afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no, 983afaf5a2dSDavid Somayajulu __func__)); 984afaf5a2dSDavid Somayajulu if (ql4xxx_lock_flash(ha) != QLA_SUCCESS) 985b3925514SMike Christie return QLA_ERROR; 986afaf5a2dSDavid Somayajulu if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) { 987afaf5a2dSDavid Somayajulu ql4xxx_unlock_flash(ha); 988b3925514SMike Christie return QLA_ERROR; 989afaf5a2dSDavid Somayajulu } 990afaf5a2dSDavid Somayajulu 991afaf5a2dSDavid Somayajulu /* Get EEPRom Parameters from NVRAM and validate */ 992afaf5a2dSDavid Somayajulu dev_info(&ha->pdev->dev, "Configuring NVRAM ...\n"); 993afaf5a2dSDavid Somayajulu if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) { 994afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 995afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 996afaf5a2dSDavid Somayajulu rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha)); 997afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 998afaf5a2dSDavid Somayajulu } else { 999afaf5a2dSDavid Somayajulu dev_warn(&ha->pdev->dev, 1000afaf5a2dSDavid Somayajulu "scsi%ld: %s: EEProm checksum invalid. " 1001afaf5a2dSDavid Somayajulu "Please update your EEPROM\n", ha->host_no, 1002afaf5a2dSDavid Somayajulu __func__); 1003afaf5a2dSDavid Somayajulu 1004b3925514SMike Christie /* Attempt to set defaults */ 1005afaf5a2dSDavid Somayajulu if (is_qla4010(ha)) 1006afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 0x1912; 1007d915058fSDavid C Somayajulu else if (is_qla4022(ha) | is_qla4032(ha)) 1008afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 0x0023; 1009b3925514SMike Christie else 1010b3925514SMike Christie return QLA_ERROR; 1011afaf5a2dSDavid Somayajulu } 1012afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", 1013afaf5a2dSDavid Somayajulu ha->host_no, __func__, extHwConfig.Asuint32_t)); 1014afaf5a2dSDavid Somayajulu 1015afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 1016afaf5a2dSDavid Somayajulu writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha)); 1017afaf5a2dSDavid Somayajulu readl(isp_ext_hw_conf(ha)); 1018afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 1019afaf5a2dSDavid Somayajulu 1020afaf5a2dSDavid Somayajulu ql4xxx_unlock_nvram(ha); 1021afaf5a2dSDavid Somayajulu ql4xxx_unlock_flash(ha); 1022afaf5a2dSDavid Somayajulu 1023b3925514SMike Christie return QLA_SUCCESS; 1024afaf5a2dSDavid Somayajulu } 1025afaf5a2dSDavid Somayajulu 1026afaf5a2dSDavid Somayajulu static void qla4x00_pci_config(struct scsi_qla_host *ha) 1027afaf5a2dSDavid Somayajulu { 102892b72736SDavid C Somayajulu uint16_t w; 102946235e60SDavid C Somayajulu int status; 1030afaf5a2dSDavid Somayajulu 1031afaf5a2dSDavid Somayajulu dev_info(&ha->pdev->dev, "Configuring PCI space...\n"); 1032afaf5a2dSDavid Somayajulu 1033afaf5a2dSDavid Somayajulu pci_set_master(ha->pdev); 103446235e60SDavid C Somayajulu status = pci_set_mwi(ha->pdev); 1035afaf5a2dSDavid Somayajulu /* 1036afaf5a2dSDavid Somayajulu * We want to respect framework's setting of PCI configuration space 1037afaf5a2dSDavid Somayajulu * command register and also want to make sure that all bits of 1038afaf5a2dSDavid Somayajulu * interest to us are properly set in command register. 1039afaf5a2dSDavid Somayajulu */ 1040afaf5a2dSDavid Somayajulu pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 104192b72736SDavid C Somayajulu w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; 1042afaf5a2dSDavid Somayajulu w &= ~PCI_COMMAND_INTX_DISABLE; 1043afaf5a2dSDavid Somayajulu pci_write_config_word(ha->pdev, PCI_COMMAND, w); 1044afaf5a2dSDavid Somayajulu } 1045afaf5a2dSDavid Somayajulu 1046afaf5a2dSDavid Somayajulu static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) 1047afaf5a2dSDavid Somayajulu { 1048afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 1049c301b026SVikas Chaudhary unsigned long max_wait_time; 1050afaf5a2dSDavid Somayajulu unsigned long flags; 1051afaf5a2dSDavid Somayajulu uint32_t mbox_status; 1052afaf5a2dSDavid Somayajulu 1053afaf5a2dSDavid Somayajulu dev_info(&ha->pdev->dev, "Starting firmware ...\n"); 1054afaf5a2dSDavid Somayajulu 1055afaf5a2dSDavid Somayajulu /* 1056afaf5a2dSDavid Somayajulu * Start firmware from flash ROM 1057afaf5a2dSDavid Somayajulu * 1058afaf5a2dSDavid Somayajulu * WORKAROUND: Stuff a non-constant value that the firmware can 1059afaf5a2dSDavid Somayajulu * use as a seed for a random number generator in MB7 prior to 1060afaf5a2dSDavid Somayajulu * setting BOOT_ENABLE. Fixes problem where the TCP 1061afaf5a2dSDavid Somayajulu * connections use the same TCP ports after each reboot, 1062afaf5a2dSDavid Somayajulu * causing some connections to not get re-established. 1063afaf5a2dSDavid Somayajulu */ 1064afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n", 1065afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 1066afaf5a2dSDavid Somayajulu 1067afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 1068afaf5a2dSDavid Somayajulu writel(jiffies, &ha->reg->mailbox[7]); 1069d915058fSDavid C Somayajulu if (is_qla4022(ha) | is_qla4032(ha)) 1070afaf5a2dSDavid Somayajulu writel(set_rmask(NVR_WRITE_ENABLE), 1071afaf5a2dSDavid Somayajulu &ha->reg->u1.isp4022.nvram); 1072afaf5a2dSDavid Somayajulu 107392b72736SDavid C Somayajulu writel(2, &ha->reg->mailbox[6]); 107492b72736SDavid C Somayajulu readl(&ha->reg->mailbox[6]); 107592b72736SDavid C Somayajulu 1076afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status); 1077afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 1078afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 1079afaf5a2dSDavid Somayajulu 1080afaf5a2dSDavid Somayajulu /* Wait for firmware to come UP. */ 1081c301b026SVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for " 1082c301b026SVikas Chaudhary "boot firmware to complete...\n", 1083c301b026SVikas Chaudhary ha->host_no, __func__, FIRMWARE_UP_TOV)); 1084c301b026SVikas Chaudhary max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ); 1085afaf5a2dSDavid Somayajulu do { 1086afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 1087afaf5a2dSDavid Somayajulu 1088afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 1089afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 1090afaf5a2dSDavid Somayajulu mbox_status = readw(&ha->reg->mailbox[0]); 1091afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 1092afaf5a2dSDavid Somayajulu 1093afaf5a2dSDavid Somayajulu if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR)) 1094afaf5a2dSDavid Somayajulu break; 1095afaf5a2dSDavid Somayajulu if (mbox_status == MBOX_STS_COMMAND_COMPLETE) 1096afaf5a2dSDavid Somayajulu break; 1097afaf5a2dSDavid Somayajulu 1098c301b026SVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot " 1099c301b026SVikas Chaudhary "firmware to complete... ctrl_sts=0x%x\n", 1100c301b026SVikas Chaudhary ha->host_no, __func__, ctrl_status)); 1101afaf5a2dSDavid Somayajulu 1102c301b026SVikas Chaudhary msleep_interruptible(250); 1103c301b026SVikas Chaudhary } while (!time_after_eq(jiffies, max_wait_time)); 1104afaf5a2dSDavid Somayajulu 1105afaf5a2dSDavid Somayajulu if (mbox_status == MBOX_STS_COMMAND_COMPLETE) { 1106c301b026SVikas Chaudhary DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n", 1107afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 1108afaf5a2dSDavid Somayajulu 1109afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 1110afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 1111afaf5a2dSDavid Somayajulu &ha->reg->ctrl_status); 1112afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 1113afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 1114afaf5a2dSDavid Somayajulu 1115afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 1116afaf5a2dSDavid Somayajulu } else { 1117afaf5a2dSDavid Somayajulu printk(KERN_INFO "scsi%ld: %s: Boot firmware failed " 1118afaf5a2dSDavid Somayajulu "- mbox status 0x%x\n", ha->host_no, __func__, 1119afaf5a2dSDavid Somayajulu mbox_status); 1120afaf5a2dSDavid Somayajulu status = QLA_ERROR; 1121afaf5a2dSDavid Somayajulu } 1122afaf5a2dSDavid Somayajulu return status; 1123afaf5a2dSDavid Somayajulu } 1124afaf5a2dSDavid Somayajulu 112592b72736SDavid C Somayajulu int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) 1126afaf5a2dSDavid Somayajulu { 112792b72736SDavid C Somayajulu #define QL4_LOCK_DRVR_WAIT 60 1128477ffb9dSDavid C Somayajulu #define QL4_LOCK_DRVR_SLEEP 1 1129afaf5a2dSDavid Somayajulu 1130afaf5a2dSDavid Somayajulu int drvr_wait = QL4_LOCK_DRVR_WAIT; 1131afaf5a2dSDavid Somayajulu while (drvr_wait) { 113292b72736SDavid C Somayajulu if (ql4xxx_lock_drvr(a) == 0) { 1133477ffb9dSDavid C Somayajulu ssleep(QL4_LOCK_DRVR_SLEEP); 1134afaf5a2dSDavid Somayajulu if (drvr_wait) { 1135afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Waiting for " 113692b72736SDavid C Somayajulu "Global Init Semaphore(%d)...\n", 113792b72736SDavid C Somayajulu a->host_no, 1138477ffb9dSDavid C Somayajulu __func__, drvr_wait)); 1139afaf5a2dSDavid Somayajulu } 1140afaf5a2dSDavid Somayajulu drvr_wait -= QL4_LOCK_DRVR_SLEEP; 1141afaf5a2dSDavid Somayajulu } else { 1142afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Global Init Semaphore " 114392b72736SDavid C Somayajulu "acquired\n", a->host_no, __func__)); 1144afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 1145afaf5a2dSDavid Somayajulu } 1146afaf5a2dSDavid Somayajulu } 1147afaf5a2dSDavid Somayajulu return QLA_ERROR; 1148afaf5a2dSDavid Somayajulu } 1149afaf5a2dSDavid Somayajulu 1150afaf5a2dSDavid Somayajulu /** 1151afaf5a2dSDavid Somayajulu * qla4xxx_start_firmware - starts qla4xxx firmware 1152afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 1153afaf5a2dSDavid Somayajulu * 11543a4fa0a2SRobert P. J. Day * This routine performs the necessary steps to start the firmware for 1155afaf5a2dSDavid Somayajulu * the QLA4010 adapter. 1156afaf5a2dSDavid Somayajulu **/ 1157afaf5a2dSDavid Somayajulu static int qla4xxx_start_firmware(struct scsi_qla_host *ha) 1158afaf5a2dSDavid Somayajulu { 1159afaf5a2dSDavid Somayajulu unsigned long flags = 0; 1160afaf5a2dSDavid Somayajulu uint32_t mbox_status; 1161afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 1162afaf5a2dSDavid Somayajulu int soft_reset = 1; 1163afaf5a2dSDavid Somayajulu int config_chip = 0; 1164afaf5a2dSDavid Somayajulu 1165d915058fSDavid C Somayajulu if (is_qla4022(ha) | is_qla4032(ha)) 1166afaf5a2dSDavid Somayajulu ql4xxx_set_mac_number(ha); 1167afaf5a2dSDavid Somayajulu 1168afaf5a2dSDavid Somayajulu if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 1169afaf5a2dSDavid Somayajulu return QLA_ERROR; 1170afaf5a2dSDavid Somayajulu 1171afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 1172afaf5a2dSDavid Somayajulu 1173afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no, 1174afaf5a2dSDavid Somayajulu __func__, readw(isp_port_ctrl(ha)))); 1175afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no, 1176afaf5a2dSDavid Somayajulu __func__, readw(isp_port_status(ha)))); 1177afaf5a2dSDavid Somayajulu 1178afaf5a2dSDavid Somayajulu /* Is Hardware already initialized? */ 1179afaf5a2dSDavid Somayajulu if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) { 1180afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Hardware has already been " 1181afaf5a2dSDavid Somayajulu "initialized\n", ha->host_no, __func__)); 1182afaf5a2dSDavid Somayajulu 1183afaf5a2dSDavid Somayajulu /* Receive firmware boot acknowledgement */ 1184afaf5a2dSDavid Somayajulu mbox_status = readw(&ha->reg->mailbox[0]); 1185afaf5a2dSDavid Somayajulu 1186afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= " 1187afaf5a2dSDavid Somayajulu "0x%x\n", ha->host_no, __func__, mbox_status)); 1188afaf5a2dSDavid Somayajulu 1189afaf5a2dSDavid Somayajulu /* Is firmware already booted? */ 1190afaf5a2dSDavid Somayajulu if (mbox_status == 0) { 1191afaf5a2dSDavid Somayajulu /* F/W not running, must be config by net driver */ 1192afaf5a2dSDavid Somayajulu config_chip = 1; 1193afaf5a2dSDavid Somayajulu soft_reset = 0; 1194afaf5a2dSDavid Somayajulu } else { 1195afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 1196afaf5a2dSDavid Somayajulu &ha->reg->ctrl_status); 1197afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 1198afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 1199afaf5a2dSDavid Somayajulu if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { 1200afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Get firmware " 1201afaf5a2dSDavid Somayajulu "state -- state = 0x%x\n", 1202afaf5a2dSDavid Somayajulu ha->host_no, 1203afaf5a2dSDavid Somayajulu __func__, ha->firmware_state)); 1204afaf5a2dSDavid Somayajulu /* F/W is running */ 1205afaf5a2dSDavid Somayajulu if (ha->firmware_state & 1206afaf5a2dSDavid Somayajulu FW_STATE_CONFIG_WAIT) { 1207afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Firmware " 1208afaf5a2dSDavid Somayajulu "in known state -- " 1209afaf5a2dSDavid Somayajulu "config and " 1210afaf5a2dSDavid Somayajulu "boot, state = 0x%x\n", 1211afaf5a2dSDavid Somayajulu ha->host_no, __func__, 1212afaf5a2dSDavid Somayajulu ha->firmware_state)); 1213afaf5a2dSDavid Somayajulu config_chip = 1; 1214afaf5a2dSDavid Somayajulu soft_reset = 0; 1215afaf5a2dSDavid Somayajulu } 1216afaf5a2dSDavid Somayajulu } else { 1217afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Firmware in " 1218afaf5a2dSDavid Somayajulu "unknown state -- resetting," 1219afaf5a2dSDavid Somayajulu " state = " 1220afaf5a2dSDavid Somayajulu "0x%x\n", ha->host_no, __func__, 1221afaf5a2dSDavid Somayajulu ha->firmware_state)); 1222afaf5a2dSDavid Somayajulu } 1223afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 1224afaf5a2dSDavid Somayajulu } 1225afaf5a2dSDavid Somayajulu } else { 1226afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been " 1227afaf5a2dSDavid Somayajulu "started - resetting\n", ha->host_no, __func__)); 1228afaf5a2dSDavid Somayajulu } 1229afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 1230afaf5a2dSDavid Somayajulu 1231afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ", 1232afaf5a2dSDavid Somayajulu ha->host_no, __func__, soft_reset, config_chip)); 1233afaf5a2dSDavid Somayajulu if (soft_reset) { 1234afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no, 1235afaf5a2dSDavid Somayajulu __func__)); 1236afaf5a2dSDavid Somayajulu status = qla4xxx_soft_reset(ha); 1237afaf5a2dSDavid Somayajulu if (status == QLA_ERROR) { 1238afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%d: %s: Soft Reset failed!\n", 1239afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 1240afaf5a2dSDavid Somayajulu ql4xxx_unlock_drvr(ha); 1241afaf5a2dSDavid Somayajulu return QLA_ERROR; 1242afaf5a2dSDavid Somayajulu } 1243afaf5a2dSDavid Somayajulu config_chip = 1; 1244afaf5a2dSDavid Somayajulu 1245b1c11812SJoe Perches /* Reset clears the semaphore, so acquire again */ 1246afaf5a2dSDavid Somayajulu if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 1247afaf5a2dSDavid Somayajulu return QLA_ERROR; 1248afaf5a2dSDavid Somayajulu } 1249afaf5a2dSDavid Somayajulu 1250afaf5a2dSDavid Somayajulu if (config_chip) { 1251afaf5a2dSDavid Somayajulu if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS) 1252afaf5a2dSDavid Somayajulu status = qla4xxx_start_firmware_from_flash(ha); 1253afaf5a2dSDavid Somayajulu } 1254afaf5a2dSDavid Somayajulu 1255afaf5a2dSDavid Somayajulu ql4xxx_unlock_drvr(ha); 1256afaf5a2dSDavid Somayajulu if (status == QLA_SUCCESS) { 1257afaf5a2dSDavid Somayajulu qla4xxx_get_fw_version(ha); 1258afaf5a2dSDavid Somayajulu if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags)) 1259afaf5a2dSDavid Somayajulu qla4xxx_get_crash_record(ha); 1260afaf5a2dSDavid Somayajulu } else { 1261afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n", 1262afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 1263afaf5a2dSDavid Somayajulu } 1264afaf5a2dSDavid Somayajulu return status; 1265afaf5a2dSDavid Somayajulu } 1266afaf5a2dSDavid Somayajulu 1267afaf5a2dSDavid Somayajulu 1268afaf5a2dSDavid Somayajulu /** 1269afaf5a2dSDavid Somayajulu * qla4xxx_initialize_adapter - initiailizes hba 1270afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 1271afaf5a2dSDavid Somayajulu * @renew_ddb_list: Indicates what to do with the adapter's ddb list 1272afaf5a2dSDavid Somayajulu * after adapter recovery has completed. 1273afaf5a2dSDavid Somayajulu * 0=preserve ddb list, 1=destroy and rebuild ddb list 1274afaf5a2dSDavid Somayajulu * 1275afaf5a2dSDavid Somayajulu * This routine parforms all of the steps necessary to initialize the adapter. 1276afaf5a2dSDavid Somayajulu * 1277afaf5a2dSDavid Somayajulu **/ 1278afaf5a2dSDavid Somayajulu int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, 1279afaf5a2dSDavid Somayajulu uint8_t renew_ddb_list) 1280afaf5a2dSDavid Somayajulu { 1281afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 1282afaf5a2dSDavid Somayajulu int8_t ip_address[IP_ADDR_LEN] = {0} ; 1283afaf5a2dSDavid Somayajulu 1284065aa1b4SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 1285afaf5a2dSDavid Somayajulu ha->eeprom_cmd_data = 0; 1286afaf5a2dSDavid Somayajulu 1287afaf5a2dSDavid Somayajulu qla4x00_pci_config(ha); 1288afaf5a2dSDavid Somayajulu 1289afaf5a2dSDavid Somayajulu qla4xxx_disable_intrs(ha); 1290afaf5a2dSDavid Somayajulu 1291afaf5a2dSDavid Somayajulu /* Initialize the Host adapter request/response queues and firmware */ 1292afaf5a2dSDavid Somayajulu if (qla4xxx_start_firmware(ha) == QLA_ERROR) 129346235e60SDavid C Somayajulu goto exit_init_hba; 1294afaf5a2dSDavid Somayajulu 1295afaf5a2dSDavid Somayajulu if (qla4xxx_validate_mac_address(ha) == QLA_ERROR) 129646235e60SDavid C Somayajulu goto exit_init_hba; 1297afaf5a2dSDavid Somayajulu 1298afaf5a2dSDavid Somayajulu if (qla4xxx_init_local_data(ha) == QLA_ERROR) 129946235e60SDavid C Somayajulu goto exit_init_hba; 1300afaf5a2dSDavid Somayajulu 1301afaf5a2dSDavid Somayajulu status = qla4xxx_init_firmware(ha); 1302afaf5a2dSDavid Somayajulu if (status == QLA_ERROR) 130346235e60SDavid C Somayajulu goto exit_init_hba; 1304afaf5a2dSDavid Somayajulu 1305afaf5a2dSDavid Somayajulu /* 1306afaf5a2dSDavid Somayajulu * FW is waiting to get an IP address from DHCP server: Skip building 1307afaf5a2dSDavid Somayajulu * the ddb_list and wait for DHCP lease acquired aen to come in 1308afaf5a2dSDavid Somayajulu * followed by 0x8014 aen" to trigger the tgt discovery process. 1309afaf5a2dSDavid Somayajulu */ 13102a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_CONFIGURING_IP) 131146235e60SDavid C Somayajulu goto exit_init_online; 1312afaf5a2dSDavid Somayajulu 1313afaf5a2dSDavid Somayajulu /* Skip device discovery if ip and subnet is zero */ 1314afaf5a2dSDavid Somayajulu if (memcmp(ha->ip_address, ip_address, IP_ADDR_LEN) == 0 || 1315afaf5a2dSDavid Somayajulu memcmp(ha->subnet_mask, ip_address, IP_ADDR_LEN) == 0) 131646235e60SDavid C Somayajulu goto exit_init_online; 1317afaf5a2dSDavid Somayajulu 1318afaf5a2dSDavid Somayajulu if (renew_ddb_list == PRESERVE_DDB_LIST) { 1319afaf5a2dSDavid Somayajulu /* 1320afaf5a2dSDavid Somayajulu * We want to preserve lun states (i.e. suspended, etc.) 1321afaf5a2dSDavid Somayajulu * for recovery initiated by the driver. So just update 1322afaf5a2dSDavid Somayajulu * the device states for the existing ddb_list. 1323afaf5a2dSDavid Somayajulu */ 1324afaf5a2dSDavid Somayajulu qla4xxx_reinitialize_ddb_list(ha); 1325afaf5a2dSDavid Somayajulu } else if (renew_ddb_list == REBUILD_DDB_LIST) { 1326afaf5a2dSDavid Somayajulu /* 1327afaf5a2dSDavid Somayajulu * We want to build the ddb_list from scratch during 1328afaf5a2dSDavid Somayajulu * driver initialization and recovery initiated by the 1329afaf5a2dSDavid Somayajulu * INT_HBA_RESET IOCTL. 1330afaf5a2dSDavid Somayajulu */ 1331afaf5a2dSDavid Somayajulu status = qla4xxx_initialize_ddb_list(ha); 1332afaf5a2dSDavid Somayajulu if (status == QLA_ERROR) { 1333afaf5a2dSDavid Somayajulu DEBUG2(printk("%s(%ld) Error occurred during build" 1334afaf5a2dSDavid Somayajulu "ddb list\n", __func__, ha->host_no)); 1335afaf5a2dSDavid Somayajulu goto exit_init_hba; 1336afaf5a2dSDavid Somayajulu } 1337afaf5a2dSDavid Somayajulu 1338afaf5a2dSDavid Somayajulu } 1339afaf5a2dSDavid Somayajulu if (!ha->tot_ddbs) { 1340afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: Failed to initialize devices or none " 1341afaf5a2dSDavid Somayajulu "present in Firmware device database\n", 1342afaf5a2dSDavid Somayajulu ha->host_no)); 1343afaf5a2dSDavid Somayajulu } 1344afaf5a2dSDavid Somayajulu 134546235e60SDavid C Somayajulu exit_init_online: 134692b72736SDavid C Somayajulu set_bit(AF_ONLINE, &ha->flags); 1347afaf5a2dSDavid Somayajulu exit_init_hba: 1348afaf5a2dSDavid Somayajulu return status; 1349afaf5a2dSDavid Somayajulu } 1350afaf5a2dSDavid Somayajulu 1351afaf5a2dSDavid Somayajulu /** 1352afaf5a2dSDavid Somayajulu * qla4xxx_add_device_dynamically - ddb addition due to an AEN 1353afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 1354afaf5a2dSDavid Somayajulu * @fw_ddb_index: Firmware's device database index 1355afaf5a2dSDavid Somayajulu * 1356afaf5a2dSDavid Somayajulu * This routine processes adds a device as a result of an 8014h AEN. 1357afaf5a2dSDavid Somayajulu **/ 1358afaf5a2dSDavid Somayajulu static void qla4xxx_add_device_dynamically(struct scsi_qla_host *ha, 1359afaf5a2dSDavid Somayajulu uint32_t fw_ddb_index) 1360afaf5a2dSDavid Somayajulu { 1361afaf5a2dSDavid Somayajulu struct ddb_entry * ddb_entry; 136292b72736SDavid C Somayajulu uint32_t new_tgt; 1363afaf5a2dSDavid Somayajulu 1364afaf5a2dSDavid Somayajulu /* First allocate a device structure */ 136592b72736SDavid C Somayajulu ddb_entry = qla4xxx_get_ddb_entry(ha, fw_ddb_index, &new_tgt); 1366afaf5a2dSDavid Somayajulu if (ddb_entry == NULL) { 1367afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 1368afaf5a2dSDavid Somayajulu "scsi%ld: Unable to allocate memory to add " 1369afaf5a2dSDavid Somayajulu "fw_ddb_index %d\n", ha->host_no, fw_ddb_index)); 1370afaf5a2dSDavid Somayajulu return; 1371afaf5a2dSDavid Somayajulu } 1372afaf5a2dSDavid Somayajulu 137392b72736SDavid C Somayajulu if (!new_tgt && (ddb_entry->fw_ddb_index != fw_ddb_index)) { 137492b72736SDavid C Somayajulu /* Target has been bound to a new fw_ddb_index */ 137592b72736SDavid C Somayajulu qla4xxx_free_ddb(ha, ddb_entry); 137692b72736SDavid C Somayajulu ddb_entry = qla4xxx_alloc_ddb(ha, fw_ddb_index); 137792b72736SDavid C Somayajulu if (ddb_entry == NULL) { 137892b72736SDavid C Somayajulu DEBUG2(printk(KERN_WARNING 137992b72736SDavid C Somayajulu "scsi%ld: Unable to allocate memory" 138092b72736SDavid C Somayajulu " to add fw_ddb_index %d\n", 138192b72736SDavid C Somayajulu ha->host_no, fw_ddb_index)); 138292b72736SDavid C Somayajulu return; 138392b72736SDavid C Somayajulu } 138492b72736SDavid C Somayajulu } 1385afaf5a2dSDavid Somayajulu if (qla4xxx_update_ddb_entry(ha, ddb_entry, fw_ddb_index) == 1386afaf5a2dSDavid Somayajulu QLA_ERROR) { 1387afaf5a2dSDavid Somayajulu ha->fw_ddb_index_map[fw_ddb_index] = 1388afaf5a2dSDavid Somayajulu (struct ddb_entry *)INVALID_ENTRY; 1389afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 1390afaf5a2dSDavid Somayajulu "scsi%ld: failed to add new device at index " 1391afaf5a2dSDavid Somayajulu "[%d]\n Unable to retrieve fw ddb entry\n", 1392afaf5a2dSDavid Somayajulu ha->host_no, fw_ddb_index)); 1393afaf5a2dSDavid Somayajulu qla4xxx_free_ddb(ha, ddb_entry); 1394afaf5a2dSDavid Somayajulu return; 1395afaf5a2dSDavid Somayajulu } 1396afaf5a2dSDavid Somayajulu 1397afaf5a2dSDavid Somayajulu if (qla4xxx_add_sess(ddb_entry)) { 1398afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 1399afaf5a2dSDavid Somayajulu "scsi%ld: failed to add new device at index " 1400afaf5a2dSDavid Somayajulu "[%d]\n Unable to add connection and session\n", 1401afaf5a2dSDavid Somayajulu ha->host_no, fw_ddb_index)); 1402afaf5a2dSDavid Somayajulu qla4xxx_free_ddb(ha, ddb_entry); 1403afaf5a2dSDavid Somayajulu } 1404afaf5a2dSDavid Somayajulu } 1405afaf5a2dSDavid Somayajulu 1406afaf5a2dSDavid Somayajulu /** 1407afaf5a2dSDavid Somayajulu * qla4xxx_process_ddb_changed - process ddb state change 1408afaf5a2dSDavid Somayajulu * @ha - Pointer to host adapter structure. 1409afaf5a2dSDavid Somayajulu * @fw_ddb_index - Firmware's device database index 1410afaf5a2dSDavid Somayajulu * @state - Device state 1411afaf5a2dSDavid Somayajulu * 1412afaf5a2dSDavid Somayajulu * This routine processes a Decive Database Changed AEN Event. 1413afaf5a2dSDavid Somayajulu **/ 1414afaf5a2dSDavid Somayajulu int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, 1415afaf5a2dSDavid Somayajulu uint32_t fw_ddb_index, uint32_t state) 1416afaf5a2dSDavid Somayajulu { 1417afaf5a2dSDavid Somayajulu struct ddb_entry * ddb_entry; 1418afaf5a2dSDavid Somayajulu uint32_t old_fw_ddb_device_state; 1419afaf5a2dSDavid Somayajulu 1420afaf5a2dSDavid Somayajulu /* check for out of range index */ 1421afaf5a2dSDavid Somayajulu if (fw_ddb_index >= MAX_DDB_ENTRIES) 1422afaf5a2dSDavid Somayajulu return QLA_ERROR; 1423afaf5a2dSDavid Somayajulu 1424afaf5a2dSDavid Somayajulu /* Get the corresponging ddb entry */ 1425afaf5a2dSDavid Somayajulu ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); 1426afaf5a2dSDavid Somayajulu /* Device does not currently exist in our database. */ 1427afaf5a2dSDavid Somayajulu if (ddb_entry == NULL) { 1428afaf5a2dSDavid Somayajulu if (state == DDB_DS_SESSION_ACTIVE) 1429afaf5a2dSDavid Somayajulu qla4xxx_add_device_dynamically(ha, fw_ddb_index); 1430afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 1431afaf5a2dSDavid Somayajulu } 1432afaf5a2dSDavid Somayajulu 1433afaf5a2dSDavid Somayajulu /* Device already exists in our database. */ 1434afaf5a2dSDavid Somayajulu old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; 1435afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s DDB - old state= 0x%x, new state=0x%x for " 1436afaf5a2dSDavid Somayajulu "index [%d]\n", ha->host_no, __func__, 1437afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); 1438afaf5a2dSDavid Somayajulu if (old_fw_ddb_device_state == state && 1439afaf5a2dSDavid Somayajulu state == DDB_DS_SESSION_ACTIVE) { 1440afaf5a2dSDavid Somayajulu /* Do nothing, state not changed. */ 1441afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 1442afaf5a2dSDavid Somayajulu } 1443afaf5a2dSDavid Somayajulu 1444afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_device_state = state; 1445afaf5a2dSDavid Somayajulu /* Device is back online. */ 1446afaf5a2dSDavid Somayajulu if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 144750a29aecSMike Christie atomic_set(&ddb_entry->state, DDB_STATE_ONLINE); 1448afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->port_down_timer, 1449afaf5a2dSDavid Somayajulu ha->port_down_retry_count); 1450afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->relogin_retry_count, 0); 1451afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->relogin_timer, 0); 1452afaf5a2dSDavid Somayajulu clear_bit(DF_RELOGIN, &ddb_entry->flags); 1453afaf5a2dSDavid Somayajulu clear_bit(DF_NO_RELOGIN, &ddb_entry->flags); 1454b635930dSMike Christie iscsi_unblock_session(ddb_entry->sess); 145526974789SMike Christie iscsi_session_event(ddb_entry->sess, 145626974789SMike Christie ISCSI_KEVENT_CREATE_SESSION); 1457afaf5a2dSDavid Somayajulu /* 1458afaf5a2dSDavid Somayajulu * Change the lun state to READY in case the lun TIMEOUT before 1459afaf5a2dSDavid Somayajulu * the device came back. 1460afaf5a2dSDavid Somayajulu */ 1461afaf5a2dSDavid Somayajulu } else { 1462065aa1b4SVikas Chaudhary /* Device went away, mark device missing */ 1463065aa1b4SVikas Chaudhary if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) { 1464065aa1b4SVikas Chaudhary DEBUG2(dev_info(&ha->pdev->dev, "%s mark missing " 1465065aa1b4SVikas Chaudhary "ddb_entry 0x%p sess 0x%p conn 0x%p\n", 1466065aa1b4SVikas Chaudhary __func__, ddb_entry, 1467065aa1b4SVikas Chaudhary ddb_entry->sess, ddb_entry->conn)); 1468afaf5a2dSDavid Somayajulu qla4xxx_mark_device_missing(ha, ddb_entry); 1469065aa1b4SVikas Chaudhary } 1470065aa1b4SVikas Chaudhary 1471afaf5a2dSDavid Somayajulu /* 1472afaf5a2dSDavid Somayajulu * Relogin if device state changed to a not active state. 1473afaf5a2dSDavid Somayajulu * However, do not relogin if this aen is a result of an IOCTL 1474afaf5a2dSDavid Somayajulu * logout (DF_NO_RELOGIN) or if this is a discovered device. 1475afaf5a2dSDavid Somayajulu */ 1476afaf5a2dSDavid Somayajulu if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_FAILED && 1477afaf5a2dSDavid Somayajulu !test_bit(DF_RELOGIN, &ddb_entry->flags) && 1478afaf5a2dSDavid Somayajulu !test_bit(DF_NO_RELOGIN, &ddb_entry->flags) && 1479afaf5a2dSDavid Somayajulu !test_bit(DF_ISNS_DISCOVERED, &ddb_entry->flags)) { 1480afaf5a2dSDavid Somayajulu /* 1481afaf5a2dSDavid Somayajulu * This triggers a relogin. After the relogin_timer 1482afaf5a2dSDavid Somayajulu * expires, the relogin gets scheduled. We must wait a 1483afaf5a2dSDavid Somayajulu * minimum amount of time since receiving an 0x8014 AEN 1484afaf5a2dSDavid Somayajulu * with failed device_state or a logout response before 1485afaf5a2dSDavid Somayajulu * we can issue another relogin. 1486afaf5a2dSDavid Somayajulu */ 1487afaf5a2dSDavid Somayajulu /* Firmware padds this timeout: (time2wait +1). 1488afaf5a2dSDavid Somayajulu * Driver retry to login should be longer than F/W. 1489afaf5a2dSDavid Somayajulu * Otherwise F/W will fail 1490afaf5a2dSDavid Somayajulu * set_ddb() mbx cmd with 0x4005 since it still 1491afaf5a2dSDavid Somayajulu * counting down its time2wait. 1492afaf5a2dSDavid Somayajulu */ 1493afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->relogin_timer, 0); 1494afaf5a2dSDavid Somayajulu atomic_set(&ddb_entry->retry_relogin_timer, 1495afaf5a2dSDavid Somayajulu ddb_entry->default_time2wait + 4); 1496afaf5a2dSDavid Somayajulu } 1497afaf5a2dSDavid Somayajulu } 1498afaf5a2dSDavid Somayajulu 1499afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 1500afaf5a2dSDavid Somayajulu } 1501afaf5a2dSDavid Somayajulu 1502