1afaf5a2dSDavid Somayajulu /* 2afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 37d01d069SVikas Chaudhary * Copyright (c) 2003-2010 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 14afaf5a2dSDavid Somayajulu static void ql4xxx_set_mac_number(struct scsi_qla_host *ha) 15afaf5a2dSDavid Somayajulu { 16afaf5a2dSDavid Somayajulu uint32_t value; 17afaf5a2dSDavid Somayajulu uint8_t func_number; 18afaf5a2dSDavid Somayajulu unsigned long flags; 19afaf5a2dSDavid Somayajulu 20afaf5a2dSDavid Somayajulu /* Get the function number */ 21afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 22afaf5a2dSDavid Somayajulu value = readw(&ha->reg->ctrl_status); 23afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 24afaf5a2dSDavid Somayajulu 25afaf5a2dSDavid Somayajulu func_number = (uint8_t) ((value >> 4) & 0x30); 26afaf5a2dSDavid Somayajulu switch (value & ISP_CONTROL_FN_MASK) { 27afaf5a2dSDavid Somayajulu case ISP_CONTROL_FN0_SCSI: 28afaf5a2dSDavid Somayajulu ha->mac_index = 1; 29afaf5a2dSDavid Somayajulu break; 30afaf5a2dSDavid Somayajulu case ISP_CONTROL_FN1_SCSI: 31afaf5a2dSDavid Somayajulu ha->mac_index = 3; 32afaf5a2dSDavid Somayajulu break; 33afaf5a2dSDavid Somayajulu default: 34afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Invalid function number, " 35afaf5a2dSDavid Somayajulu "ispControlStatus = 0x%x\n", ha->host_no, 36afaf5a2dSDavid Somayajulu __func__, value)); 37afaf5a2dSDavid Somayajulu break; 38afaf5a2dSDavid Somayajulu } 39afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: mac_index %d.\n", ha->host_no, __func__, 40afaf5a2dSDavid Somayajulu ha->mac_index)); 41afaf5a2dSDavid Somayajulu } 42afaf5a2dSDavid Somayajulu 43afaf5a2dSDavid Somayajulu /** 44afaf5a2dSDavid Somayajulu * qla4xxx_free_ddb - deallocate ddb 45afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 46afaf5a2dSDavid Somayajulu * @ddb_entry: pointer to device database entry 47afaf5a2dSDavid Somayajulu * 48b3a271a9SManish Rangankar * This routine marks a DDB entry INVALID 49afaf5a2dSDavid Somayajulu **/ 50f4f5df23SVikas Chaudhary void qla4xxx_free_ddb(struct scsi_qla_host *ha, 5147975477SAdrian Bunk struct ddb_entry *ddb_entry) 52afaf5a2dSDavid Somayajulu { 53afaf5a2dSDavid Somayajulu /* Remove device pointer from index mapping arrays */ 54afaf5a2dSDavid Somayajulu ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = 55afaf5a2dSDavid Somayajulu (struct ddb_entry *) INVALID_ENTRY; 56afaf5a2dSDavid Somayajulu ha->tot_ddbs--; 57afaf5a2dSDavid Somayajulu } 58afaf5a2dSDavid Somayajulu 59afaf5a2dSDavid Somayajulu /** 60f4f5df23SVikas Chaudhary * qla4xxx_init_response_q_entries() - Initializes response queue entries. 61f4f5df23SVikas Chaudhary * @ha: HA context 62f4f5df23SVikas Chaudhary * 63f4f5df23SVikas Chaudhary * Beginning of request ring has initialization control block already built 64f4f5df23SVikas Chaudhary * by nvram config routine. 65f4f5df23SVikas Chaudhary **/ 66f4f5df23SVikas Chaudhary static void qla4xxx_init_response_q_entries(struct scsi_qla_host *ha) 67f4f5df23SVikas Chaudhary { 68f4f5df23SVikas Chaudhary uint16_t cnt; 69f4f5df23SVikas Chaudhary struct response *pkt; 70f4f5df23SVikas Chaudhary 71f4f5df23SVikas Chaudhary pkt = (struct response *)ha->response_ptr; 72f4f5df23SVikas Chaudhary for (cnt = 0; cnt < RESPONSE_QUEUE_DEPTH; cnt++) { 73f4f5df23SVikas Chaudhary pkt->signature = RESPONSE_PROCESSED; 74f4f5df23SVikas Chaudhary pkt++; 75f4f5df23SVikas Chaudhary } 76f4f5df23SVikas Chaudhary } 77f4f5df23SVikas Chaudhary 78f4f5df23SVikas Chaudhary /** 79afaf5a2dSDavid Somayajulu * qla4xxx_init_rings - initialize hw queues 80afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 81afaf5a2dSDavid Somayajulu * 82afaf5a2dSDavid Somayajulu * This routine initializes the internal queues for the specified adapter. 83afaf5a2dSDavid Somayajulu * The QLA4010 requires us to restart the queues at index 0. 84afaf5a2dSDavid Somayajulu * The QLA4000 doesn't care, so just default to QLA4010's requirement. 85afaf5a2dSDavid Somayajulu **/ 86afaf5a2dSDavid Somayajulu int qla4xxx_init_rings(struct scsi_qla_host *ha) 87afaf5a2dSDavid Somayajulu { 88afaf5a2dSDavid Somayajulu unsigned long flags = 0; 89afaf5a2dSDavid Somayajulu 90afaf5a2dSDavid Somayajulu /* Initialize request queue. */ 91afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 92afaf5a2dSDavid Somayajulu ha->request_out = 0; 93afaf5a2dSDavid Somayajulu ha->request_in = 0; 94afaf5a2dSDavid Somayajulu ha->request_ptr = &ha->request_ring[ha->request_in]; 95afaf5a2dSDavid Somayajulu ha->req_q_count = REQUEST_QUEUE_DEPTH; 96afaf5a2dSDavid Somayajulu 97afaf5a2dSDavid Somayajulu /* Initialize response queue. */ 98afaf5a2dSDavid Somayajulu ha->response_in = 0; 99afaf5a2dSDavid Somayajulu ha->response_out = 0; 100afaf5a2dSDavid Somayajulu ha->response_ptr = &ha->response_ring[ha->response_out]; 101afaf5a2dSDavid Somayajulu 102f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 103f4f5df23SVikas Chaudhary writel(0, 104f4f5df23SVikas Chaudhary (unsigned long __iomem *)&ha->qla4_8xxx_reg->req_q_out); 105f4f5df23SVikas Chaudhary writel(0, 106f4f5df23SVikas Chaudhary (unsigned long __iomem *)&ha->qla4_8xxx_reg->rsp_q_in); 107f4f5df23SVikas Chaudhary writel(0, 108f4f5df23SVikas Chaudhary (unsigned long __iomem *)&ha->qla4_8xxx_reg->rsp_q_out); 109f4f5df23SVikas Chaudhary } else { 110afaf5a2dSDavid Somayajulu /* 111f4f5df23SVikas Chaudhary * Initialize DMA Shadow registers. The firmware is really 112f4f5df23SVikas Chaudhary * supposed to take care of this, but on some uniprocessor 113f4f5df23SVikas Chaudhary * systems, the shadow registers aren't cleared-- causing 114f4f5df23SVikas Chaudhary * the interrupt_handler to think there are responses to be 115f4f5df23SVikas Chaudhary * processed when there aren't. 116afaf5a2dSDavid Somayajulu */ 117afaf5a2dSDavid Somayajulu ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0); 118afaf5a2dSDavid Somayajulu ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0); 119afaf5a2dSDavid Somayajulu wmb(); 120afaf5a2dSDavid Somayajulu 121afaf5a2dSDavid Somayajulu writel(0, &ha->reg->req_q_in); 122afaf5a2dSDavid Somayajulu writel(0, &ha->reg->rsp_q_out); 123afaf5a2dSDavid Somayajulu readl(&ha->reg->rsp_q_out); 124f4f5df23SVikas Chaudhary } 125f4f5df23SVikas Chaudhary 126f4f5df23SVikas Chaudhary qla4xxx_init_response_q_entries(ha); 127afaf5a2dSDavid Somayajulu 128afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 129afaf5a2dSDavid Somayajulu 130afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 131afaf5a2dSDavid Somayajulu } 132afaf5a2dSDavid Somayajulu 133afaf5a2dSDavid Somayajulu /** 134f4f5df23SVikas Chaudhary * qla4xxx_get_sys_info - validate adapter MAC address(es) 135afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 136afaf5a2dSDavid Somayajulu * 137afaf5a2dSDavid Somayajulu **/ 138f4f5df23SVikas Chaudhary int qla4xxx_get_sys_info(struct scsi_qla_host *ha) 139afaf5a2dSDavid Somayajulu { 140afaf5a2dSDavid Somayajulu struct flash_sys_info *sys_info; 141afaf5a2dSDavid Somayajulu dma_addr_t sys_info_dma; 142afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 143afaf5a2dSDavid Somayajulu 144afaf5a2dSDavid Somayajulu sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info), 145afaf5a2dSDavid Somayajulu &sys_info_dma, GFP_KERNEL); 146afaf5a2dSDavid Somayajulu if (sys_info == NULL) { 147afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", 148afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 149afaf5a2dSDavid Somayajulu 150f4f5df23SVikas Chaudhary goto exit_get_sys_info_no_free; 151afaf5a2dSDavid Somayajulu } 152afaf5a2dSDavid Somayajulu memset(sys_info, 0, sizeof(*sys_info)); 153afaf5a2dSDavid Somayajulu 154afaf5a2dSDavid Somayajulu /* Get flash sys info */ 155afaf5a2dSDavid Somayajulu if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO, 156afaf5a2dSDavid Somayajulu sizeof(*sys_info)) != QLA_SUCCESS) { 157afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO " 158afaf5a2dSDavid Somayajulu "failed\n", ha->host_no, __func__)); 159afaf5a2dSDavid Somayajulu 160f4f5df23SVikas Chaudhary goto exit_get_sys_info; 161afaf5a2dSDavid Somayajulu } 162afaf5a2dSDavid Somayajulu 163afaf5a2dSDavid Somayajulu /* Save M.A.C. address & serial_number */ 164afaf5a2dSDavid Somayajulu memcpy(ha->my_mac, &sys_info->physAddr[0].address[0], 165afaf5a2dSDavid Somayajulu min(sizeof(ha->my_mac), 166afaf5a2dSDavid Somayajulu sizeof(sys_info->physAddr[0].address))); 167afaf5a2dSDavid Somayajulu memcpy(ha->serial_number, &sys_info->acSerialNumber, 168afaf5a2dSDavid Somayajulu min(sizeof(ha->serial_number), 169afaf5a2dSDavid Somayajulu sizeof(sys_info->acSerialNumber))); 170afaf5a2dSDavid Somayajulu 171afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 172afaf5a2dSDavid Somayajulu 173f4f5df23SVikas Chaudhary exit_get_sys_info: 174afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info, 175afaf5a2dSDavid Somayajulu sys_info_dma); 176afaf5a2dSDavid Somayajulu 177f4f5df23SVikas Chaudhary exit_get_sys_info_no_free: 178afaf5a2dSDavid Somayajulu return status; 179afaf5a2dSDavid Somayajulu } 180afaf5a2dSDavid Somayajulu 181afaf5a2dSDavid Somayajulu /** 182afaf5a2dSDavid Somayajulu * qla4xxx_init_local_data - initialize adapter specific local data 183afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 184afaf5a2dSDavid Somayajulu * 185afaf5a2dSDavid Somayajulu **/ 186afaf5a2dSDavid Somayajulu static int qla4xxx_init_local_data(struct scsi_qla_host *ha) 187afaf5a2dSDavid Somayajulu { 188421f91d2SUwe Kleine-König /* Initialize aen queue */ 189afaf5a2dSDavid Somayajulu ha->aen_q_count = MAX_AEN_ENTRIES; 190afaf5a2dSDavid Somayajulu 191afaf5a2dSDavid Somayajulu return qla4xxx_get_firmware_status(ha); 192afaf5a2dSDavid Somayajulu } 193afaf5a2dSDavid Somayajulu 1942a49a78eSVikas Chaudhary static uint8_t 1952a49a78eSVikas Chaudhary qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha) 1962a49a78eSVikas Chaudhary { 1972a49a78eSVikas Chaudhary uint8_t ipv4_wait = 0; 1982a49a78eSVikas Chaudhary uint8_t ipv6_wait = 0; 1992a49a78eSVikas Chaudhary int8_t ip_address[IPv6_ADDR_LEN] = {0} ; 2002a49a78eSVikas Chaudhary 2012a49a78eSVikas Chaudhary /* If both IPv4 & IPv6 are enabled, possibly only one 2022a49a78eSVikas Chaudhary * IP address may be acquired, so check to see if we 2032a49a78eSVikas Chaudhary * need to wait for another */ 2042a49a78eSVikas Chaudhary if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) { 2052a49a78eSVikas Chaudhary if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) && 2062a49a78eSVikas Chaudhary ((ha->addl_fw_state & 2072a49a78eSVikas Chaudhary FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) { 2082a49a78eSVikas Chaudhary ipv4_wait = 1; 2092a49a78eSVikas Chaudhary } 2102bab08fcSVikas Chaudhary if (((ha->ip_config.ipv6_addl_options & 2112a49a78eSVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) && 2122bab08fcSVikas Chaudhary ((ha->ip_config.ipv6_link_local_state == 2132bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) || 2142bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr0_state == 2152bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) || 2162bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr1_state == 2172bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING))) { 2182a49a78eSVikas Chaudhary 2192a49a78eSVikas Chaudhary ipv6_wait = 1; 2202a49a78eSVikas Chaudhary 2212bab08fcSVikas Chaudhary if ((ha->ip_config.ipv6_link_local_state == 2222a49a78eSVikas Chaudhary IP_ADDRSTATE_PREFERRED) || 2232bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr0_state == 2242bab08fcSVikas Chaudhary IP_ADDRSTATE_PREFERRED) || 2252bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr1_state == 2262bab08fcSVikas Chaudhary IP_ADDRSTATE_PREFERRED)) { 2272a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 2282a49a78eSVikas Chaudhary "Preferred IP configured." 2292a49a78eSVikas Chaudhary " Don't wait!\n", ha->host_no, 2302a49a78eSVikas Chaudhary __func__)); 2312a49a78eSVikas Chaudhary ipv6_wait = 0; 2322a49a78eSVikas Chaudhary } 2332bab08fcSVikas Chaudhary if (memcmp(&ha->ip_config.ipv6_default_router_addr, 2342bab08fcSVikas Chaudhary ip_address, IPv6_ADDR_LEN) == 0) { 2352a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 2362a49a78eSVikas Chaudhary "No Router configured. " 2372a49a78eSVikas Chaudhary "Don't wait!\n", ha->host_no, 2382a49a78eSVikas Chaudhary __func__)); 2392a49a78eSVikas Chaudhary ipv6_wait = 0; 2402a49a78eSVikas Chaudhary } 2412bab08fcSVikas Chaudhary if ((ha->ip_config.ipv6_default_router_state == 2422a49a78eSVikas Chaudhary IPV6_RTRSTATE_MANUAL) && 2432bab08fcSVikas Chaudhary (ha->ip_config.ipv6_link_local_state == 2442a49a78eSVikas Chaudhary IP_ADDRSTATE_TENTATIVE) && 2452bab08fcSVikas Chaudhary (memcmp(&ha->ip_config.ipv6_link_local_addr, 2462bab08fcSVikas Chaudhary &ha->ip_config.ipv6_default_router_addr, 4) == 2472bab08fcSVikas Chaudhary 0)) { 2482a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: LinkLocal Router & " 2492a49a78eSVikas Chaudhary "IP configured. Don't wait!\n", 2502a49a78eSVikas Chaudhary ha->host_no, __func__)); 2512a49a78eSVikas Chaudhary ipv6_wait = 0; 2522a49a78eSVikas Chaudhary } 2532a49a78eSVikas Chaudhary } 2542a49a78eSVikas Chaudhary if (ipv4_wait || ipv6_wait) { 2552a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Wait for additional " 2562a49a78eSVikas Chaudhary "IP(s) \"", ha->host_no, __func__)); 2572a49a78eSVikas Chaudhary if (ipv4_wait) 2582a49a78eSVikas Chaudhary DEBUG2(printk("IPv4 ")); 2592bab08fcSVikas Chaudhary if (ha->ip_config.ipv6_link_local_state == 2602bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) 2612a49a78eSVikas Chaudhary DEBUG2(printk("IPv6LinkLocal ")); 2622bab08fcSVikas Chaudhary if (ha->ip_config.ipv6_addr0_state == 2632bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) 2642a49a78eSVikas Chaudhary DEBUG2(printk("IPv6Addr0 ")); 2652bab08fcSVikas Chaudhary if (ha->ip_config.ipv6_addr1_state == 2662bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) 2672a49a78eSVikas Chaudhary DEBUG2(printk("IPv6Addr1 ")); 2682a49a78eSVikas Chaudhary DEBUG2(printk("\"\n")); 2692a49a78eSVikas Chaudhary } 2702a49a78eSVikas Chaudhary } 2712a49a78eSVikas Chaudhary 2722a49a78eSVikas Chaudhary return ipv4_wait|ipv6_wait; 2732a49a78eSVikas Chaudhary } 2742a49a78eSVikas Chaudhary 275afaf5a2dSDavid Somayajulu static int qla4xxx_fw_ready(struct scsi_qla_host *ha) 276afaf5a2dSDavid Somayajulu { 277afaf5a2dSDavid Somayajulu uint32_t timeout_count; 278afaf5a2dSDavid Somayajulu int ready = 0; 279afaf5a2dSDavid Somayajulu 280c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n")); 281afaf5a2dSDavid Somayajulu for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0; 282afaf5a2dSDavid Somayajulu timeout_count--) { 283afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 284afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 285afaf5a2dSDavid Somayajulu 286afaf5a2dSDavid Somayajulu /* Get firmware state. */ 287afaf5a2dSDavid Somayajulu if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) { 288afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: unable to get firmware " 289afaf5a2dSDavid Somayajulu "state\n", ha->host_no, __func__)); 290afaf5a2dSDavid Somayajulu break; 291afaf5a2dSDavid Somayajulu } 292afaf5a2dSDavid Somayajulu 293afaf5a2dSDavid Somayajulu if (ha->firmware_state & FW_STATE_ERROR) { 294afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: an unrecoverable error has" 295afaf5a2dSDavid Somayajulu " occurred\n", ha->host_no, __func__)); 296afaf5a2dSDavid Somayajulu break; 297afaf5a2dSDavid Somayajulu 298afaf5a2dSDavid Somayajulu } 299afaf5a2dSDavid Somayajulu if (ha->firmware_state & FW_STATE_CONFIG_WAIT) { 300afaf5a2dSDavid Somayajulu /* 301afaf5a2dSDavid Somayajulu * The firmware has not yet been issued an Initialize 302afaf5a2dSDavid Somayajulu * Firmware command, so issue it now. 303afaf5a2dSDavid Somayajulu */ 304afaf5a2dSDavid Somayajulu if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) 305afaf5a2dSDavid Somayajulu break; 306afaf5a2dSDavid Somayajulu 307afaf5a2dSDavid Somayajulu /* Go back and test for ready state - no wait. */ 308afaf5a2dSDavid Somayajulu continue; 309afaf5a2dSDavid Somayajulu } 310afaf5a2dSDavid Somayajulu 3112a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { 3122a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" 3132a49a78eSVikas Chaudhary "AUTOCONNECT in progress\n", 3142a49a78eSVikas Chaudhary ha->host_no, __func__)); 3152a49a78eSVikas Chaudhary } 3162a49a78eSVikas Chaudhary 3172a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { 3182a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" 3192a49a78eSVikas Chaudhary " CONFIGURING IP\n", 3202a49a78eSVikas Chaudhary ha->host_no, __func__)); 3212a49a78eSVikas Chaudhary /* 3222a49a78eSVikas Chaudhary * Check for link state after 15 secs and if link is 3232a49a78eSVikas Chaudhary * still DOWN then, cable is unplugged. Ignore "DHCP 3242a49a78eSVikas Chaudhary * in Progress/CONFIGURING IP" bit to check if firmware 3252a49a78eSVikas Chaudhary * is in ready state or not after 15 secs. 3262a49a78eSVikas Chaudhary * This is applicable for both 2.x & 3.x firmware 3272a49a78eSVikas Chaudhary */ 3282a49a78eSVikas Chaudhary if (timeout_count <= (ADAPTER_INIT_TOV - 15)) { 3292a49a78eSVikas Chaudhary if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) { 3302a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s:" 3312a49a78eSVikas Chaudhary " LINK UP (Cable plugged)\n", 3322a49a78eSVikas Chaudhary ha->host_no, __func__)); 3332a49a78eSVikas Chaudhary } else if (ha->firmware_state & 3342a49a78eSVikas Chaudhary (FW_STATE_CONFIGURING_IP | 3352a49a78eSVikas Chaudhary FW_STATE_READY)) { 3362a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 3372a49a78eSVikas Chaudhary "LINK DOWN (Cable unplugged)\n", 3382a49a78eSVikas Chaudhary ha->host_no, __func__)); 3392a49a78eSVikas Chaudhary ha->firmware_state = FW_STATE_READY; 3402a49a78eSVikas Chaudhary } 3412a49a78eSVikas Chaudhary } 3422a49a78eSVikas Chaudhary } 3432a49a78eSVikas Chaudhary 344afaf5a2dSDavid Somayajulu if (ha->firmware_state == FW_STATE_READY) { 3452a49a78eSVikas Chaudhary /* If DHCP IP Addr is available, retrieve it now. */ 3462a49a78eSVikas Chaudhary if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, 3472a49a78eSVikas Chaudhary &ha->dpc_flags)) 3482a49a78eSVikas Chaudhary qla4xxx_get_dhcp_ip_address(ha); 3492a49a78eSVikas Chaudhary 3502a49a78eSVikas Chaudhary if (!qla4xxx_wait_for_ip_config(ha) || 3512a49a78eSVikas Chaudhary timeout_count == 1) { 352c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 3532a49a78eSVikas Chaudhary "Firmware Ready..\n")); 3542a49a78eSVikas Chaudhary /* The firmware is ready to process SCSI 3552a49a78eSVikas Chaudhary commands. */ 356c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 3572a49a78eSVikas Chaudhary "scsi%ld: %s: MEDIA TYPE" 3582a49a78eSVikas Chaudhary " - %s\n", ha->host_no, 359afaf5a2dSDavid Somayajulu __func__, (ha->addl_fw_state & 360afaf5a2dSDavid Somayajulu FW_ADDSTATE_OPTICAL_MEDIA) 361afaf5a2dSDavid Somayajulu != 0 ? "OPTICAL" : "COPPER")); 362c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 3632a49a78eSVikas Chaudhary "scsi%ld: %s: DHCPv4 STATE" 3642a49a78eSVikas Chaudhary " Enabled %s\n", ha->host_no, 3652a49a78eSVikas Chaudhary __func__, (ha->addl_fw_state & 3662a49a78eSVikas Chaudhary FW_ADDSTATE_DHCPv4_ENABLED) != 0 ? 367afaf5a2dSDavid Somayajulu "YES" : "NO")); 368c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 369afaf5a2dSDavid Somayajulu "scsi%ld: %s: LINK %s\n", 370afaf5a2dSDavid Somayajulu ha->host_no, __func__, 371afaf5a2dSDavid Somayajulu (ha->addl_fw_state & 372afaf5a2dSDavid Somayajulu FW_ADDSTATE_LINK_UP) != 0 ? 373afaf5a2dSDavid Somayajulu "UP" : "DOWN")); 374c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 375afaf5a2dSDavid Somayajulu "scsi%ld: %s: iSNS Service " 376afaf5a2dSDavid Somayajulu "Started %s\n", 377afaf5a2dSDavid Somayajulu ha->host_no, __func__, 378afaf5a2dSDavid Somayajulu (ha->addl_fw_state & 379afaf5a2dSDavid Somayajulu FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ? 380afaf5a2dSDavid Somayajulu "YES" : "NO")); 381afaf5a2dSDavid Somayajulu 382afaf5a2dSDavid Somayajulu ready = 1; 383afaf5a2dSDavid Somayajulu break; 384afaf5a2dSDavid Somayajulu } 3852a49a78eSVikas Chaudhary } 386afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - " 387afaf5a2dSDavid Somayajulu "seconds expired= %d\n", ha->host_no, __func__, 388afaf5a2dSDavid Somayajulu ha->firmware_state, ha->addl_fw_state, 389afaf5a2dSDavid Somayajulu timeout_count)); 390d915058fSDavid C Somayajulu if (is_qla4032(ha) && 391d915058fSDavid C Somayajulu !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) && 392d915058fSDavid C Somayajulu (timeout_count < ADAPTER_INIT_TOV - 5)) { 393d915058fSDavid C Somayajulu break; 394d915058fSDavid C Somayajulu } 395d915058fSDavid C Somayajulu 396afaf5a2dSDavid Somayajulu msleep(1000); 397afaf5a2dSDavid Somayajulu } /* end of for */ 398afaf5a2dSDavid Somayajulu 3992a49a78eSVikas Chaudhary if (timeout_count <= 0) 400afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n", 401afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 402afaf5a2dSDavid Somayajulu 4032a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { 4042a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting " 4052a49a78eSVikas Chaudhary "it's waiting to configure an IP address\n", 406afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 407afaf5a2dSDavid Somayajulu ready = 1; 4082a49a78eSVikas Chaudhary } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { 4092a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: FW initialized, but " 4102a49a78eSVikas Chaudhary "auto-discovery still in process\n", 4112a49a78eSVikas Chaudhary ha->host_no, __func__)); 412b966346cSVikas Chaudhary ready = 1; 413afaf5a2dSDavid Somayajulu } 414afaf5a2dSDavid Somayajulu 415afaf5a2dSDavid Somayajulu return ready; 416afaf5a2dSDavid Somayajulu } 417afaf5a2dSDavid Somayajulu 418afaf5a2dSDavid Somayajulu /** 419afaf5a2dSDavid Somayajulu * qla4xxx_init_firmware - initializes the firmware. 420afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 421afaf5a2dSDavid Somayajulu * 422afaf5a2dSDavid Somayajulu **/ 423afaf5a2dSDavid Somayajulu static int qla4xxx_init_firmware(struct scsi_qla_host *ha) 424afaf5a2dSDavid Somayajulu { 425afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 426afaf5a2dSDavid Somayajulu 4272232be0dSLalit Chandivade if (is_aer_supported(ha) && 4282232be0dSLalit Chandivade test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 4292232be0dSLalit Chandivade return status; 4302232be0dSLalit Chandivade 4319d4946f8SLalit Chandivade /* For 82xx, stop firmware before initializing because if BIOS 4329d4946f8SLalit Chandivade * has previously initialized firmware, then driver's initialize 4339d4946f8SLalit Chandivade * firmware will fail. */ 4349d4946f8SLalit Chandivade if (is_qla8022(ha)) 4359d4946f8SLalit Chandivade qla4_8xxx_stop_firmware(ha); 4369d4946f8SLalit Chandivade 437c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Initializing firmware..\n"); 438afaf5a2dSDavid Somayajulu if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) { 439afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware " 440afaf5a2dSDavid Somayajulu "control block\n", ha->host_no, __func__)); 441afaf5a2dSDavid Somayajulu return status; 442afaf5a2dSDavid Somayajulu } 443afaf5a2dSDavid Somayajulu if (!qla4xxx_fw_ready(ha)) 444afaf5a2dSDavid Somayajulu return status; 445afaf5a2dSDavid Somayajulu 446afaf5a2dSDavid Somayajulu return qla4xxx_get_firmware_status(ha); 447afaf5a2dSDavid Somayajulu } 448afaf5a2dSDavid Somayajulu 44991ec7cecSVikas Chaudhary static void qla4xxx_set_model_info(struct scsi_qla_host *ha) 45091ec7cecSVikas Chaudhary { 45191ec7cecSVikas Chaudhary uint16_t board_id_string[8]; 45291ec7cecSVikas Chaudhary int i; 45391ec7cecSVikas Chaudhary int size = sizeof(ha->nvram->isp4022.boardIdStr); 45491ec7cecSVikas Chaudhary int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2; 45591ec7cecSVikas Chaudhary 45691ec7cecSVikas Chaudhary for (i = 0; i < (size / 2) ; i++) { 45791ec7cecSVikas Chaudhary board_id_string[i] = rd_nvram_word(ha, offset); 45891ec7cecSVikas Chaudhary offset += 1; 45991ec7cecSVikas Chaudhary } 46091ec7cecSVikas Chaudhary 46191ec7cecSVikas Chaudhary memcpy(ha->model_name, board_id_string, size); 46291ec7cecSVikas Chaudhary } 46391ec7cecSVikas Chaudhary 464afaf5a2dSDavid Somayajulu static int qla4xxx_config_nvram(struct scsi_qla_host *ha) 465afaf5a2dSDavid Somayajulu { 466afaf5a2dSDavid Somayajulu unsigned long flags; 467afaf5a2dSDavid Somayajulu union external_hw_config_reg extHwConfig; 468afaf5a2dSDavid Somayajulu 469afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no, 470afaf5a2dSDavid Somayajulu __func__)); 471afaf5a2dSDavid Somayajulu if (ql4xxx_lock_flash(ha) != QLA_SUCCESS) 472b3925514SMike Christie return QLA_ERROR; 473afaf5a2dSDavid Somayajulu if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) { 474afaf5a2dSDavid Somayajulu ql4xxx_unlock_flash(ha); 475b3925514SMike Christie return QLA_ERROR; 476afaf5a2dSDavid Somayajulu } 477afaf5a2dSDavid Somayajulu 478afaf5a2dSDavid Somayajulu /* Get EEPRom Parameters from NVRAM and validate */ 479c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n"); 480afaf5a2dSDavid Somayajulu if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) { 481afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 482afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 483afaf5a2dSDavid Somayajulu rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha)); 484afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 485afaf5a2dSDavid Somayajulu } else { 486c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 487afaf5a2dSDavid Somayajulu "scsi%ld: %s: EEProm checksum invalid. " 488afaf5a2dSDavid Somayajulu "Please update your EEPROM\n", ha->host_no, 489afaf5a2dSDavid Somayajulu __func__); 490afaf5a2dSDavid Somayajulu 491b3925514SMike Christie /* Attempt to set defaults */ 492afaf5a2dSDavid Somayajulu if (is_qla4010(ha)) 493afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 0x1912; 494d915058fSDavid C Somayajulu else if (is_qla4022(ha) | is_qla4032(ha)) 495afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 0x0023; 496b3925514SMike Christie else 497b3925514SMike Christie return QLA_ERROR; 498afaf5a2dSDavid Somayajulu } 49991ec7cecSVikas Chaudhary 50091ec7cecSVikas Chaudhary if (is_qla4022(ha) || is_qla4032(ha)) 50191ec7cecSVikas Chaudhary qla4xxx_set_model_info(ha); 50291ec7cecSVikas Chaudhary else 50391ec7cecSVikas Chaudhary strcpy(ha->model_name, "QLA4010"); 50491ec7cecSVikas Chaudhary 505afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", 506afaf5a2dSDavid Somayajulu ha->host_no, __func__, extHwConfig.Asuint32_t)); 507afaf5a2dSDavid Somayajulu 508afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 509afaf5a2dSDavid Somayajulu writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha)); 510afaf5a2dSDavid Somayajulu readl(isp_ext_hw_conf(ha)); 511afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 512afaf5a2dSDavid Somayajulu 513afaf5a2dSDavid Somayajulu ql4xxx_unlock_nvram(ha); 514afaf5a2dSDavid Somayajulu ql4xxx_unlock_flash(ha); 515afaf5a2dSDavid Somayajulu 516b3925514SMike Christie return QLA_SUCCESS; 517afaf5a2dSDavid Somayajulu } 518afaf5a2dSDavid Somayajulu 519f4f5df23SVikas Chaudhary /** 520f4f5df23SVikas Chaudhary * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers. 521f4f5df23SVikas Chaudhary * @ha: HA context 522f4f5df23SVikas Chaudhary */ 523f4f5df23SVikas Chaudhary void qla4_8xxx_pci_config(struct scsi_qla_host *ha) 524f4f5df23SVikas Chaudhary { 525f4f5df23SVikas Chaudhary pci_set_master(ha->pdev); 526f4f5df23SVikas Chaudhary } 527f4f5df23SVikas Chaudhary 528f4f5df23SVikas Chaudhary void qla4xxx_pci_config(struct scsi_qla_host *ha) 529afaf5a2dSDavid Somayajulu { 53092b72736SDavid C Somayajulu uint16_t w; 53146235e60SDavid C Somayajulu int status; 532afaf5a2dSDavid Somayajulu 533c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 534afaf5a2dSDavid Somayajulu 535afaf5a2dSDavid Somayajulu pci_set_master(ha->pdev); 53646235e60SDavid C Somayajulu status = pci_set_mwi(ha->pdev); 537afaf5a2dSDavid Somayajulu /* 538afaf5a2dSDavid Somayajulu * We want to respect framework's setting of PCI configuration space 539afaf5a2dSDavid Somayajulu * command register and also want to make sure that all bits of 540afaf5a2dSDavid Somayajulu * interest to us are properly set in command register. 541afaf5a2dSDavid Somayajulu */ 542afaf5a2dSDavid Somayajulu pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 54392b72736SDavid C Somayajulu w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; 544afaf5a2dSDavid Somayajulu w &= ~PCI_COMMAND_INTX_DISABLE; 545afaf5a2dSDavid Somayajulu pci_write_config_word(ha->pdev, PCI_COMMAND, w); 546afaf5a2dSDavid Somayajulu } 547afaf5a2dSDavid Somayajulu 548afaf5a2dSDavid Somayajulu static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) 549afaf5a2dSDavid Somayajulu { 550afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 551c301b026SVikas Chaudhary unsigned long max_wait_time; 552afaf5a2dSDavid Somayajulu unsigned long flags; 553afaf5a2dSDavid Somayajulu uint32_t mbox_status; 554afaf5a2dSDavid Somayajulu 555c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Starting firmware ...\n"); 556afaf5a2dSDavid Somayajulu 557afaf5a2dSDavid Somayajulu /* 558afaf5a2dSDavid Somayajulu * Start firmware from flash ROM 559afaf5a2dSDavid Somayajulu * 560afaf5a2dSDavid Somayajulu * WORKAROUND: Stuff a non-constant value that the firmware can 561afaf5a2dSDavid Somayajulu * use as a seed for a random number generator in MB7 prior to 562afaf5a2dSDavid Somayajulu * setting BOOT_ENABLE. Fixes problem where the TCP 563afaf5a2dSDavid Somayajulu * connections use the same TCP ports after each reboot, 564afaf5a2dSDavid Somayajulu * causing some connections to not get re-established. 565afaf5a2dSDavid Somayajulu */ 566afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n", 567afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 568afaf5a2dSDavid Somayajulu 569afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 570afaf5a2dSDavid Somayajulu writel(jiffies, &ha->reg->mailbox[7]); 571d915058fSDavid C Somayajulu if (is_qla4022(ha) | is_qla4032(ha)) 572afaf5a2dSDavid Somayajulu writel(set_rmask(NVR_WRITE_ENABLE), 573afaf5a2dSDavid Somayajulu &ha->reg->u1.isp4022.nvram); 574afaf5a2dSDavid Somayajulu 57592b72736SDavid C Somayajulu writel(2, &ha->reg->mailbox[6]); 57692b72736SDavid C Somayajulu readl(&ha->reg->mailbox[6]); 57792b72736SDavid C Somayajulu 578afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status); 579afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 580afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 581afaf5a2dSDavid Somayajulu 582afaf5a2dSDavid Somayajulu /* Wait for firmware to come UP. */ 583c301b026SVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for " 584c301b026SVikas Chaudhary "boot firmware to complete...\n", 585c301b026SVikas Chaudhary ha->host_no, __func__, FIRMWARE_UP_TOV)); 586c301b026SVikas Chaudhary max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ); 587afaf5a2dSDavid Somayajulu do { 588afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 589afaf5a2dSDavid Somayajulu 590afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 591afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 592afaf5a2dSDavid Somayajulu mbox_status = readw(&ha->reg->mailbox[0]); 593afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 594afaf5a2dSDavid Somayajulu 595afaf5a2dSDavid Somayajulu if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR)) 596afaf5a2dSDavid Somayajulu break; 597afaf5a2dSDavid Somayajulu if (mbox_status == MBOX_STS_COMMAND_COMPLETE) 598afaf5a2dSDavid Somayajulu break; 599afaf5a2dSDavid Somayajulu 600c301b026SVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot " 601f581a3f7SVikas Chaudhary "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n", 602f581a3f7SVikas Chaudhary ha->host_no, __func__, ctrl_status, max_wait_time)); 603afaf5a2dSDavid Somayajulu 604c301b026SVikas Chaudhary msleep_interruptible(250); 605c301b026SVikas Chaudhary } while (!time_after_eq(jiffies, max_wait_time)); 606afaf5a2dSDavid Somayajulu 607afaf5a2dSDavid Somayajulu if (mbox_status == MBOX_STS_COMMAND_COMPLETE) { 608c301b026SVikas Chaudhary DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n", 609afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 610afaf5a2dSDavid Somayajulu 611afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 612afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 613afaf5a2dSDavid Somayajulu &ha->reg->ctrl_status); 614afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 615afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 616afaf5a2dSDavid Somayajulu 617afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 618afaf5a2dSDavid Somayajulu } else { 619afaf5a2dSDavid Somayajulu printk(KERN_INFO "scsi%ld: %s: Boot firmware failed " 620afaf5a2dSDavid Somayajulu "- mbox status 0x%x\n", ha->host_no, __func__, 621afaf5a2dSDavid Somayajulu mbox_status); 622afaf5a2dSDavid Somayajulu status = QLA_ERROR; 623afaf5a2dSDavid Somayajulu } 624afaf5a2dSDavid Somayajulu return status; 625afaf5a2dSDavid Somayajulu } 626afaf5a2dSDavid Somayajulu 62792b72736SDavid C Somayajulu int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) 628afaf5a2dSDavid Somayajulu { 62992b72736SDavid C Somayajulu #define QL4_LOCK_DRVR_WAIT 60 630477ffb9dSDavid C Somayajulu #define QL4_LOCK_DRVR_SLEEP 1 631afaf5a2dSDavid Somayajulu 632afaf5a2dSDavid Somayajulu int drvr_wait = QL4_LOCK_DRVR_WAIT; 633afaf5a2dSDavid Somayajulu while (drvr_wait) { 63492b72736SDavid C Somayajulu if (ql4xxx_lock_drvr(a) == 0) { 635477ffb9dSDavid C Somayajulu ssleep(QL4_LOCK_DRVR_SLEEP); 636afaf5a2dSDavid Somayajulu if (drvr_wait) { 637afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Waiting for " 63892b72736SDavid C Somayajulu "Global Init Semaphore(%d)...\n", 63992b72736SDavid C Somayajulu a->host_no, 640477ffb9dSDavid C Somayajulu __func__, drvr_wait)); 641afaf5a2dSDavid Somayajulu } 642afaf5a2dSDavid Somayajulu drvr_wait -= QL4_LOCK_DRVR_SLEEP; 643afaf5a2dSDavid Somayajulu } else { 644afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Global Init Semaphore " 64592b72736SDavid C Somayajulu "acquired\n", a->host_no, __func__)); 646afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 647afaf5a2dSDavid Somayajulu } 648afaf5a2dSDavid Somayajulu } 649afaf5a2dSDavid Somayajulu return QLA_ERROR; 650afaf5a2dSDavid Somayajulu } 651afaf5a2dSDavid Somayajulu 652afaf5a2dSDavid Somayajulu /** 653afaf5a2dSDavid Somayajulu * qla4xxx_start_firmware - starts qla4xxx firmware 654afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 655afaf5a2dSDavid Somayajulu * 6563a4fa0a2SRobert P. J. Day * This routine performs the necessary steps to start the firmware for 657afaf5a2dSDavid Somayajulu * the QLA4010 adapter. 658afaf5a2dSDavid Somayajulu **/ 659f4f5df23SVikas Chaudhary int qla4xxx_start_firmware(struct scsi_qla_host *ha) 660afaf5a2dSDavid Somayajulu { 661afaf5a2dSDavid Somayajulu unsigned long flags = 0; 662afaf5a2dSDavid Somayajulu uint32_t mbox_status; 663afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 664afaf5a2dSDavid Somayajulu int soft_reset = 1; 665afaf5a2dSDavid Somayajulu int config_chip = 0; 666afaf5a2dSDavid Somayajulu 667d915058fSDavid C Somayajulu if (is_qla4022(ha) | is_qla4032(ha)) 668afaf5a2dSDavid Somayajulu ql4xxx_set_mac_number(ha); 669afaf5a2dSDavid Somayajulu 670afaf5a2dSDavid Somayajulu if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 671afaf5a2dSDavid Somayajulu return QLA_ERROR; 672afaf5a2dSDavid Somayajulu 673afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 674afaf5a2dSDavid Somayajulu 675afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no, 676afaf5a2dSDavid Somayajulu __func__, readw(isp_port_ctrl(ha)))); 677afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no, 678afaf5a2dSDavid Somayajulu __func__, readw(isp_port_status(ha)))); 679afaf5a2dSDavid Somayajulu 680afaf5a2dSDavid Somayajulu /* Is Hardware already initialized? */ 681afaf5a2dSDavid Somayajulu if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) { 682afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Hardware has already been " 683afaf5a2dSDavid Somayajulu "initialized\n", ha->host_no, __func__)); 684afaf5a2dSDavid Somayajulu 685afaf5a2dSDavid Somayajulu /* Receive firmware boot acknowledgement */ 686afaf5a2dSDavid Somayajulu mbox_status = readw(&ha->reg->mailbox[0]); 687afaf5a2dSDavid Somayajulu 688afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= " 689afaf5a2dSDavid Somayajulu "0x%x\n", ha->host_no, __func__, mbox_status)); 690afaf5a2dSDavid Somayajulu 691afaf5a2dSDavid Somayajulu /* Is firmware already booted? */ 692afaf5a2dSDavid Somayajulu if (mbox_status == 0) { 693afaf5a2dSDavid Somayajulu /* F/W not running, must be config by net driver */ 694afaf5a2dSDavid Somayajulu config_chip = 1; 695afaf5a2dSDavid Somayajulu soft_reset = 0; 696afaf5a2dSDavid Somayajulu } else { 697afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 698afaf5a2dSDavid Somayajulu &ha->reg->ctrl_status); 699afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 700afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 701afaf5a2dSDavid Somayajulu if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { 702afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Get firmware " 703afaf5a2dSDavid Somayajulu "state -- state = 0x%x\n", 704afaf5a2dSDavid Somayajulu ha->host_no, 705afaf5a2dSDavid Somayajulu __func__, ha->firmware_state)); 706afaf5a2dSDavid Somayajulu /* F/W is running */ 707afaf5a2dSDavid Somayajulu if (ha->firmware_state & 708afaf5a2dSDavid Somayajulu FW_STATE_CONFIG_WAIT) { 709afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Firmware " 710afaf5a2dSDavid Somayajulu "in known state -- " 711afaf5a2dSDavid Somayajulu "config and " 712afaf5a2dSDavid Somayajulu "boot, state = 0x%x\n", 713afaf5a2dSDavid Somayajulu ha->host_no, __func__, 714afaf5a2dSDavid Somayajulu ha->firmware_state)); 715afaf5a2dSDavid Somayajulu config_chip = 1; 716afaf5a2dSDavid Somayajulu soft_reset = 0; 717afaf5a2dSDavid Somayajulu } 718afaf5a2dSDavid Somayajulu } else { 719afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Firmware in " 720afaf5a2dSDavid Somayajulu "unknown state -- resetting," 721afaf5a2dSDavid Somayajulu " state = " 722afaf5a2dSDavid Somayajulu "0x%x\n", ha->host_no, __func__, 723afaf5a2dSDavid Somayajulu ha->firmware_state)); 724afaf5a2dSDavid Somayajulu } 725afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 726afaf5a2dSDavid Somayajulu } 727afaf5a2dSDavid Somayajulu } else { 728afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been " 729afaf5a2dSDavid Somayajulu "started - resetting\n", ha->host_no, __func__)); 730afaf5a2dSDavid Somayajulu } 731afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 732afaf5a2dSDavid Somayajulu 733afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ", 734afaf5a2dSDavid Somayajulu ha->host_no, __func__, soft_reset, config_chip)); 735afaf5a2dSDavid Somayajulu if (soft_reset) { 736afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no, 737afaf5a2dSDavid Somayajulu __func__)); 738f4f5df23SVikas Chaudhary status = qla4xxx_soft_reset(ha); /* NOTE: acquires drvr 739f4f5df23SVikas Chaudhary * lock again, but ok */ 740afaf5a2dSDavid Somayajulu if (status == QLA_ERROR) { 741afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%d: %s: Soft Reset failed!\n", 742afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 743afaf5a2dSDavid Somayajulu ql4xxx_unlock_drvr(ha); 744afaf5a2dSDavid Somayajulu return QLA_ERROR; 745afaf5a2dSDavid Somayajulu } 746afaf5a2dSDavid Somayajulu config_chip = 1; 747afaf5a2dSDavid Somayajulu 748b1c11812SJoe Perches /* Reset clears the semaphore, so acquire again */ 749afaf5a2dSDavid Somayajulu if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 750afaf5a2dSDavid Somayajulu return QLA_ERROR; 751afaf5a2dSDavid Somayajulu } 752afaf5a2dSDavid Somayajulu 753afaf5a2dSDavid Somayajulu if (config_chip) { 754afaf5a2dSDavid Somayajulu if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS) 755afaf5a2dSDavid Somayajulu status = qla4xxx_start_firmware_from_flash(ha); 756afaf5a2dSDavid Somayajulu } 757afaf5a2dSDavid Somayajulu 758afaf5a2dSDavid Somayajulu ql4xxx_unlock_drvr(ha); 759afaf5a2dSDavid Somayajulu if (status == QLA_SUCCESS) { 760afaf5a2dSDavid Somayajulu if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags)) 761afaf5a2dSDavid Somayajulu qla4xxx_get_crash_record(ha); 762afaf5a2dSDavid Somayajulu } else { 763afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n", 764afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 765afaf5a2dSDavid Somayajulu } 766afaf5a2dSDavid Somayajulu return status; 767afaf5a2dSDavid Somayajulu } 768166dd20dSLalit Chandivade /** 769166dd20dSLalit Chandivade * qla4xxx_free_ddb_index - Free DDBs reserved by firmware 770166dd20dSLalit Chandivade * @ha: pointer to adapter structure 771166dd20dSLalit Chandivade * 772166dd20dSLalit Chandivade * Since firmware is not running in autoconnect mode the DDB indices should 773166dd20dSLalit Chandivade * be freed so that when login happens from user space there are free DDB 774166dd20dSLalit Chandivade * indices available. 775166dd20dSLalit Chandivade **/ 77613483730SMike Christie void qla4xxx_free_ddb_index(struct scsi_qla_host *ha) 777166dd20dSLalit Chandivade { 778166dd20dSLalit Chandivade int max_ddbs; 779166dd20dSLalit Chandivade int ret; 780166dd20dSLalit Chandivade uint32_t idx = 0, next_idx = 0; 781166dd20dSLalit Chandivade uint32_t state = 0, conn_err = 0; 782166dd20dSLalit Chandivade 78313483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 784166dd20dSLalit Chandivade MAX_DEV_DB_ENTRIES; 785166dd20dSLalit Chandivade 786166dd20dSLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 787166dd20dSLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 788166dd20dSLalit Chandivade &next_idx, &state, &conn_err, 789166dd20dSLalit Chandivade NULL, NULL); 790166dd20dSLalit Chandivade if (ret == QLA_ERROR) 791166dd20dSLalit Chandivade continue; 792166dd20dSLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 793166dd20dSLalit Chandivade state == DDB_DS_SESSION_FAILED) { 794166dd20dSLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 795166dd20dSLalit Chandivade "Freeing DDB index = 0x%x\n", idx)); 796166dd20dSLalit Chandivade ret = qla4xxx_clear_ddb_entry(ha, idx); 797166dd20dSLalit Chandivade if (ret == QLA_ERROR) 798166dd20dSLalit Chandivade ql4_printk(KERN_ERR, ha, 799166dd20dSLalit Chandivade "Unable to clear DDB index = " 800166dd20dSLalit Chandivade "0x%x\n", idx); 801166dd20dSLalit Chandivade } 802166dd20dSLalit Chandivade if (next_idx == 0) 803166dd20dSLalit Chandivade break; 804166dd20dSLalit Chandivade } 805166dd20dSLalit Chandivade } 806afaf5a2dSDavid Somayajulu 807afaf5a2dSDavid Somayajulu /** 808afaf5a2dSDavid Somayajulu * qla4xxx_initialize_adapter - initiailizes hba 809afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 810afaf5a2dSDavid Somayajulu * 811afaf5a2dSDavid Somayajulu * This routine parforms all of the steps necessary to initialize the adapter. 812afaf5a2dSDavid Somayajulu * 813afaf5a2dSDavid Somayajulu **/ 81413483730SMike Christie int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset) 815afaf5a2dSDavid Somayajulu { 816afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 817afaf5a2dSDavid Somayajulu 818afaf5a2dSDavid Somayajulu ha->eeprom_cmd_data = 0; 819afaf5a2dSDavid Somayajulu 820f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 821f4f5df23SVikas Chaudhary ha->isp_ops->pci_config(ha); 822afaf5a2dSDavid Somayajulu 823f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 824afaf5a2dSDavid Somayajulu 825afaf5a2dSDavid Somayajulu /* Initialize the Host adapter request/response queues and firmware */ 826f4f5df23SVikas Chaudhary if (ha->isp_ops->start_firmware(ha) == QLA_ERROR) 82746235e60SDavid C Somayajulu goto exit_init_hba; 828afaf5a2dSDavid Somayajulu 8297ad633c0SHarish Zunjarrao if (qla4xxx_about_firmware(ha) == QLA_ERROR) 830f4f5df23SVikas Chaudhary goto exit_init_hba; 831f4f5df23SVikas Chaudhary 832f4f5df23SVikas Chaudhary if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR) 83346235e60SDavid C Somayajulu goto exit_init_hba; 834afaf5a2dSDavid Somayajulu 835afaf5a2dSDavid Somayajulu if (qla4xxx_init_local_data(ha) == QLA_ERROR) 83646235e60SDavid C Somayajulu goto exit_init_hba; 837afaf5a2dSDavid Somayajulu 838afaf5a2dSDavid Somayajulu status = qla4xxx_init_firmware(ha); 839afaf5a2dSDavid Somayajulu if (status == QLA_ERROR) 84046235e60SDavid C Somayajulu goto exit_init_hba; 841afaf5a2dSDavid Somayajulu 84213483730SMike Christie if (is_reset == RESET_ADAPTER) 84313483730SMike Christie qla4xxx_build_ddb_list(ha, is_reset); 844166dd20dSLalit Chandivade 84592b72736SDavid C Somayajulu set_bit(AF_ONLINE, &ha->flags); 846afaf5a2dSDavid Somayajulu exit_init_hba: 8473710c60cSVikas Chaudhary if (is_qla8022(ha) && (status == QLA_ERROR)) { 8483710c60cSVikas Chaudhary /* Since interrupts are registered in start_firmware for 8493710c60cSVikas Chaudhary * 82xx, release them here if initialize_adapter fails */ 8503710c60cSVikas Chaudhary qla4xxx_free_irqs(ha); 8513710c60cSVikas Chaudhary } 8523710c60cSVikas Chaudhary 853f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no, 85425985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 855afaf5a2dSDavid Somayajulu return status; 856afaf5a2dSDavid Somayajulu } 857afaf5a2dSDavid Somayajulu 85813483730SMike Christie int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, 85913483730SMike Christie struct ddb_entry *ddb_entry, uint32_t state) 860afaf5a2dSDavid Somayajulu { 861b3a271a9SManish Rangankar uint32_t old_fw_ddb_device_state; 862b3a271a9SManish Rangankar int status = QLA_ERROR; 863afaf5a2dSDavid Somayajulu 864b3a271a9SManish Rangankar old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; 865b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 866b3a271a9SManish Rangankar "%s: DDB - old state = 0x%x, new state = 0x%x for " 867b3a271a9SManish Rangankar "index [%d]\n", __func__, 868afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); 869afaf5a2dSDavid Somayajulu 870afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_device_state = state; 871b3a271a9SManish Rangankar 872b3a271a9SManish Rangankar switch (old_fw_ddb_device_state) { 873b3a271a9SManish Rangankar case DDB_DS_LOGIN_IN_PROCESS: 874b3a271a9SManish Rangankar switch (state) { 875b3a271a9SManish Rangankar case DDB_DS_SESSION_ACTIVE: 876b3a271a9SManish Rangankar case DDB_DS_DISCOVERY: 87713483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 878b3a271a9SManish Rangankar qla4xxx_update_session_conn_param(ha, ddb_entry); 879b3a271a9SManish Rangankar status = QLA_SUCCESS; 880b3a271a9SManish Rangankar break; 881b3a271a9SManish Rangankar case DDB_DS_SESSION_FAILED: 882b3a271a9SManish Rangankar case DDB_DS_NO_CONNECTION_ACTIVE: 883b3a271a9SManish Rangankar iscsi_conn_login_event(ddb_entry->conn, 884b3a271a9SManish Rangankar ISCSI_CONN_STATE_FREE); 885b3a271a9SManish Rangankar status = QLA_SUCCESS; 886b3a271a9SManish Rangankar break; 887b3a271a9SManish Rangankar } 888b3a271a9SManish Rangankar break; 889b3a271a9SManish Rangankar case DDB_DS_SESSION_ACTIVE: 890736cf369SManish Rangankar switch (state) { 891736cf369SManish Rangankar case DDB_DS_SESSION_FAILED: 892afaf5a2dSDavid Somayajulu /* 893b3a271a9SManish Rangankar * iscsi_session failure will cause userspace to 894b3a271a9SManish Rangankar * stop the connection which in turn would block the 895b3a271a9SManish Rangankar * iscsi_session and start relogin 896afaf5a2dSDavid Somayajulu */ 897b3a271a9SManish Rangankar iscsi_session_failure(ddb_entry->sess->dd_data, 898b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 899b3a271a9SManish Rangankar status = QLA_SUCCESS; 900736cf369SManish Rangankar break; 901736cf369SManish Rangankar case DDB_DS_NO_CONNECTION_ACTIVE: 902736cf369SManish Rangankar clear_bit(fw_ddb_index, ha->ddb_idx_map); 903736cf369SManish Rangankar status = QLA_SUCCESS; 904736cf369SManish Rangankar break; 905b3a271a9SManish Rangankar } 906b3a271a9SManish Rangankar break; 90798270ab4SManish Rangankar case DDB_DS_SESSION_FAILED: 90898270ab4SManish Rangankar switch (state) { 90998270ab4SManish Rangankar case DDB_DS_SESSION_ACTIVE: 91098270ab4SManish Rangankar case DDB_DS_DISCOVERY: 91113483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 91298270ab4SManish Rangankar qla4xxx_update_session_conn_param(ha, ddb_entry); 91398270ab4SManish Rangankar status = QLA_SUCCESS; 91498270ab4SManish Rangankar break; 91598270ab4SManish Rangankar case DDB_DS_SESSION_FAILED: 91698270ab4SManish Rangankar iscsi_session_failure(ddb_entry->sess->dd_data, 91798270ab4SManish Rangankar ISCSI_ERR_CONN_FAILED); 91898270ab4SManish Rangankar status = QLA_SUCCESS; 91998270ab4SManish Rangankar break; 92098270ab4SManish Rangankar } 92198270ab4SManish Rangankar break; 922b3a271a9SManish Rangankar default: 923b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", 924b3a271a9SManish Rangankar __func__)); 925b3a271a9SManish Rangankar break; 926065aa1b4SVikas Chaudhary } 92713483730SMike Christie return status; 92813483730SMike Christie } 92913483730SMike Christie 93013483730SMike Christie void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry) 93113483730SMike Christie { 93213483730SMike Christie /* 93313483730SMike Christie * This triggers a relogin. After the relogin_timer 93413483730SMike Christie * expires, the relogin gets scheduled. We must wait a 93513483730SMike Christie * minimum amount of time since receiving an 0x8014 AEN 93613483730SMike Christie * with failed device_state or a logout response before 93713483730SMike Christie * we can issue another relogin. 93813483730SMike Christie * 93913483730SMike Christie * Firmware pads this timeout: (time2wait +1). 94013483730SMike Christie * Driver retry to login should be longer than F/W. 94113483730SMike Christie * Otherwise F/W will fail 94213483730SMike Christie * set_ddb() mbx cmd with 0x4005 since it still 94313483730SMike Christie * counting down its time2wait. 94413483730SMike Christie */ 94513483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 94613483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 94713483730SMike Christie ddb_entry->default_time2wait + 4); 94813483730SMike Christie 94913483730SMike Christie } 95013483730SMike Christie 95113483730SMike Christie int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, 95213483730SMike Christie struct ddb_entry *ddb_entry, uint32_t state) 95313483730SMike Christie { 95413483730SMike Christie uint32_t old_fw_ddb_device_state; 95513483730SMike Christie int status = QLA_ERROR; 95613483730SMike Christie 95713483730SMike Christie old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; 95813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 95913483730SMike Christie "%s: DDB - old state = 0x%x, new state = 0x%x for " 96013483730SMike Christie "index [%d]\n", __func__, 96113483730SMike Christie ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); 96213483730SMike Christie 96313483730SMike Christie ddb_entry->fw_ddb_device_state = state; 96413483730SMike Christie 96513483730SMike Christie switch (old_fw_ddb_device_state) { 96613483730SMike Christie case DDB_DS_LOGIN_IN_PROCESS: 96713483730SMike Christie case DDB_DS_NO_CONNECTION_ACTIVE: 96813483730SMike Christie switch (state) { 96913483730SMike Christie case DDB_DS_SESSION_ACTIVE: 97013483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 97113483730SMike Christie qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); 97213483730SMike Christie status = QLA_SUCCESS; 97313483730SMike Christie break; 97413483730SMike Christie case DDB_DS_SESSION_FAILED: 97513483730SMike Christie iscsi_block_session(ddb_entry->sess); 97613483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 97713483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 97813483730SMike Christie status = QLA_SUCCESS; 97913483730SMike Christie break; 98013483730SMike Christie } 98113483730SMike Christie break; 98213483730SMike Christie case DDB_DS_SESSION_ACTIVE: 98313483730SMike Christie switch (state) { 98413483730SMike Christie case DDB_DS_SESSION_FAILED: 98513483730SMike Christie iscsi_block_session(ddb_entry->sess); 98613483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 98713483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 98813483730SMike Christie status = QLA_SUCCESS; 98913483730SMike Christie break; 99013483730SMike Christie } 99113483730SMike Christie break; 99213483730SMike Christie case DDB_DS_SESSION_FAILED: 99313483730SMike Christie switch (state) { 99413483730SMike Christie case DDB_DS_SESSION_ACTIVE: 99513483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 99613483730SMike Christie qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); 99713483730SMike Christie status = QLA_SUCCESS; 99813483730SMike Christie break; 99913483730SMike Christie case DDB_DS_SESSION_FAILED: 100013483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 100113483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 100213483730SMike Christie status = QLA_SUCCESS; 100313483730SMike Christie break; 100413483730SMike Christie } 100513483730SMike Christie break; 100613483730SMike Christie default: 100713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", 100813483730SMike Christie __func__)); 100913483730SMike Christie break; 101013483730SMike Christie } 101113483730SMike Christie return status; 101213483730SMike Christie } 101313483730SMike Christie 101413483730SMike Christie /** 101513483730SMike Christie * qla4xxx_process_ddb_changed - process ddb state change 101613483730SMike Christie * @ha - Pointer to host adapter structure. 101713483730SMike Christie * @fw_ddb_index - Firmware's device database index 101813483730SMike Christie * @state - Device state 101913483730SMike Christie * 102013483730SMike Christie * This routine processes a Decive Database Changed AEN Event. 102113483730SMike Christie **/ 102213483730SMike Christie int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, 102313483730SMike Christie uint32_t fw_ddb_index, 102413483730SMike Christie uint32_t state, uint32_t conn_err) 102513483730SMike Christie { 102613483730SMike Christie struct ddb_entry *ddb_entry; 102713483730SMike Christie int status = QLA_ERROR; 102813483730SMike Christie 102913483730SMike Christie /* check for out of range index */ 103013483730SMike Christie if (fw_ddb_index >= MAX_DDB_ENTRIES) 103113483730SMike Christie goto exit_ddb_event; 103213483730SMike Christie 103313483730SMike Christie /* Get the corresponging ddb entry */ 103413483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); 103513483730SMike Christie /* Device does not currently exist in our database. */ 103613483730SMike Christie if (ddb_entry == NULL) { 103713483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n", 103813483730SMike Christie __func__, fw_ddb_index); 103913483730SMike Christie 104013483730SMike Christie if (state == DDB_DS_NO_CONNECTION_ACTIVE) 104113483730SMike Christie clear_bit(fw_ddb_index, ha->ddb_idx_map); 104213483730SMike Christie 104313483730SMike Christie goto exit_ddb_event; 104413483730SMike Christie } 104513483730SMike Christie 104613483730SMike Christie ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state); 1047065aa1b4SVikas Chaudhary 1048b3a271a9SManish Rangankar exit_ddb_event: 1049b3a271a9SManish Rangankar return status; 1050afaf5a2dSDavid Somayajulu } 105113483730SMike Christie 105213483730SMike Christie /** 105313483730SMike Christie * qla4xxx_login_flash_ddb - Login to target (DDB) 105413483730SMike Christie * @cls_session: Pointer to the session to login 105513483730SMike Christie * 105613483730SMike Christie * This routine logins to the target. 105713483730SMike Christie * Issues setddb and conn open mbx 105813483730SMike Christie **/ 105913483730SMike Christie void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session) 106013483730SMike Christie { 106113483730SMike Christie struct iscsi_session *sess; 106213483730SMike Christie struct ddb_entry *ddb_entry; 106313483730SMike Christie struct scsi_qla_host *ha; 106413483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 106513483730SMike Christie dma_addr_t fw_ddb_dma; 106613483730SMike Christie uint32_t mbx_sts = 0; 106713483730SMike Christie int ret; 106813483730SMike Christie 106913483730SMike Christie sess = cls_session->dd_data; 107013483730SMike Christie ddb_entry = sess->dd_data; 107113483730SMike Christie ha = ddb_entry->ha; 107213483730SMike Christie 107313483730SMike Christie if (!test_bit(AF_LINK_UP, &ha->flags)) 107413483730SMike Christie return; 107513483730SMike Christie 107613483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) { 107713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 107813483730SMike Christie "Skipping login to non FLASH DB")); 107913483730SMike Christie goto exit_login; 108013483730SMike Christie } 108113483730SMike Christie 108213483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 108313483730SMike Christie &fw_ddb_dma); 108413483730SMike Christie if (fw_ddb_entry == NULL) { 108513483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 108613483730SMike Christie goto exit_login; 108713483730SMike Christie } 108813483730SMike Christie 108913483730SMike Christie if (ddb_entry->fw_ddb_index == INVALID_ENTRY) { 109013483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index); 109113483730SMike Christie if (ret == QLA_ERROR) 109213483730SMike Christie goto exit_login; 109313483730SMike Christie 109413483730SMike Christie ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 109513483730SMike Christie ha->tot_ddbs++; 109613483730SMike Christie } 109713483730SMike Christie 109813483730SMike Christie memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry, 109913483730SMike Christie sizeof(struct dev_db_entry)); 110013483730SMike Christie ddb_entry->sess->target_id = ddb_entry->fw_ddb_index; 110113483730SMike Christie 110213483730SMike Christie ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 110313483730SMike Christie fw_ddb_dma, &mbx_sts); 110413483730SMike Christie if (ret == QLA_ERROR) { 110513483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n")); 110613483730SMike Christie goto exit_login; 110713483730SMike Christie } 110813483730SMike Christie 110913483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 111013483730SMike Christie ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 111113483730SMike Christie if (ret == QLA_ERROR) { 111213483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 111313483730SMike Christie sess->targetname); 111413483730SMike Christie goto exit_login; 111513483730SMike Christie } 111613483730SMike Christie 111713483730SMike Christie exit_login: 111813483730SMike Christie if (fw_ddb_entry) 111913483730SMike Christie dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 112013483730SMike Christie } 112113483730SMike Christie 1122