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; 89c0b9d3f7SVikas Chaudhary int i; 90afaf5a2dSDavid Somayajulu 91afaf5a2dSDavid Somayajulu /* Initialize request queue. */ 92afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 93afaf5a2dSDavid Somayajulu ha->request_out = 0; 94afaf5a2dSDavid Somayajulu ha->request_in = 0; 95afaf5a2dSDavid Somayajulu ha->request_ptr = &ha->request_ring[ha->request_in]; 96afaf5a2dSDavid Somayajulu ha->req_q_count = REQUEST_QUEUE_DEPTH; 97afaf5a2dSDavid Somayajulu 98afaf5a2dSDavid Somayajulu /* Initialize response queue. */ 99afaf5a2dSDavid Somayajulu ha->response_in = 0; 100afaf5a2dSDavid Somayajulu ha->response_out = 0; 101afaf5a2dSDavid Somayajulu ha->response_ptr = &ha->response_ring[ha->response_out]; 102afaf5a2dSDavid Somayajulu 103f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 104f4f5df23SVikas Chaudhary writel(0, 105f4f5df23SVikas Chaudhary (unsigned long __iomem *)&ha->qla4_8xxx_reg->req_q_out); 106f4f5df23SVikas Chaudhary writel(0, 107f4f5df23SVikas Chaudhary (unsigned long __iomem *)&ha->qla4_8xxx_reg->rsp_q_in); 108f4f5df23SVikas Chaudhary writel(0, 109f4f5df23SVikas Chaudhary (unsigned long __iomem *)&ha->qla4_8xxx_reg->rsp_q_out); 110f4f5df23SVikas Chaudhary } else { 111afaf5a2dSDavid Somayajulu /* 112f4f5df23SVikas Chaudhary * Initialize DMA Shadow registers. The firmware is really 113f4f5df23SVikas Chaudhary * supposed to take care of this, but on some uniprocessor 114f4f5df23SVikas Chaudhary * systems, the shadow registers aren't cleared-- causing 115f4f5df23SVikas Chaudhary * the interrupt_handler to think there are responses to be 116f4f5df23SVikas Chaudhary * 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); 125f4f5df23SVikas Chaudhary } 126f4f5df23SVikas Chaudhary 127f4f5df23SVikas Chaudhary qla4xxx_init_response_q_entries(ha); 128afaf5a2dSDavid Somayajulu 129c0b9d3f7SVikas Chaudhary /* Initialize mabilbox active array */ 130c0b9d3f7SVikas Chaudhary for (i = 0; i < MAX_MRB; i++) 131c0b9d3f7SVikas Chaudhary ha->active_mrb_array[i] = NULL; 132c0b9d3f7SVikas Chaudhary 133afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 134afaf5a2dSDavid Somayajulu 135afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 136afaf5a2dSDavid Somayajulu } 137afaf5a2dSDavid Somayajulu 138afaf5a2dSDavid Somayajulu /** 139f4f5df23SVikas Chaudhary * qla4xxx_get_sys_info - validate adapter MAC address(es) 140afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 141afaf5a2dSDavid Somayajulu * 142afaf5a2dSDavid Somayajulu **/ 143f4f5df23SVikas Chaudhary int qla4xxx_get_sys_info(struct scsi_qla_host *ha) 144afaf5a2dSDavid Somayajulu { 145afaf5a2dSDavid Somayajulu struct flash_sys_info *sys_info; 146afaf5a2dSDavid Somayajulu dma_addr_t sys_info_dma; 147afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 148afaf5a2dSDavid Somayajulu 149afaf5a2dSDavid Somayajulu sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info), 150afaf5a2dSDavid Somayajulu &sys_info_dma, GFP_KERNEL); 151afaf5a2dSDavid Somayajulu if (sys_info == NULL) { 152afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", 153afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 154afaf5a2dSDavid Somayajulu 155f4f5df23SVikas Chaudhary goto exit_get_sys_info_no_free; 156afaf5a2dSDavid Somayajulu } 157afaf5a2dSDavid Somayajulu memset(sys_info, 0, sizeof(*sys_info)); 158afaf5a2dSDavid Somayajulu 159afaf5a2dSDavid Somayajulu /* Get flash sys info */ 160afaf5a2dSDavid Somayajulu if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO, 161afaf5a2dSDavid Somayajulu sizeof(*sys_info)) != QLA_SUCCESS) { 162afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO " 163afaf5a2dSDavid Somayajulu "failed\n", ha->host_no, __func__)); 164afaf5a2dSDavid Somayajulu 165f4f5df23SVikas Chaudhary goto exit_get_sys_info; 166afaf5a2dSDavid Somayajulu } 167afaf5a2dSDavid Somayajulu 168afaf5a2dSDavid Somayajulu /* Save M.A.C. address & serial_number */ 169afaf5a2dSDavid Somayajulu memcpy(ha->my_mac, &sys_info->physAddr[0].address[0], 170afaf5a2dSDavid Somayajulu min(sizeof(ha->my_mac), 171afaf5a2dSDavid Somayajulu sizeof(sys_info->physAddr[0].address))); 172afaf5a2dSDavid Somayajulu memcpy(ha->serial_number, &sys_info->acSerialNumber, 173afaf5a2dSDavid Somayajulu min(sizeof(ha->serial_number), 174afaf5a2dSDavid Somayajulu sizeof(sys_info->acSerialNumber))); 175afaf5a2dSDavid Somayajulu 176afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 177afaf5a2dSDavid Somayajulu 178f4f5df23SVikas Chaudhary exit_get_sys_info: 179afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info, 180afaf5a2dSDavid Somayajulu sys_info_dma); 181afaf5a2dSDavid Somayajulu 182f4f5df23SVikas Chaudhary exit_get_sys_info_no_free: 183afaf5a2dSDavid Somayajulu return status; 184afaf5a2dSDavid Somayajulu } 185afaf5a2dSDavid Somayajulu 186afaf5a2dSDavid Somayajulu /** 187afaf5a2dSDavid Somayajulu * qla4xxx_init_local_data - initialize adapter specific local data 188afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 189afaf5a2dSDavid Somayajulu * 190afaf5a2dSDavid Somayajulu **/ 191afaf5a2dSDavid Somayajulu static int qla4xxx_init_local_data(struct scsi_qla_host *ha) 192afaf5a2dSDavid Somayajulu { 193421f91d2SUwe Kleine-König /* Initialize aen queue */ 194afaf5a2dSDavid Somayajulu ha->aen_q_count = MAX_AEN_ENTRIES; 195afaf5a2dSDavid Somayajulu 196afaf5a2dSDavid Somayajulu return qla4xxx_get_firmware_status(ha); 197afaf5a2dSDavid Somayajulu } 198afaf5a2dSDavid Somayajulu 1992a49a78eSVikas Chaudhary static uint8_t 2002a49a78eSVikas Chaudhary qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha) 2012a49a78eSVikas Chaudhary { 2022a49a78eSVikas Chaudhary uint8_t ipv4_wait = 0; 2032a49a78eSVikas Chaudhary uint8_t ipv6_wait = 0; 2042a49a78eSVikas Chaudhary int8_t ip_address[IPv6_ADDR_LEN] = {0} ; 2052a49a78eSVikas Chaudhary 2062a49a78eSVikas Chaudhary /* If both IPv4 & IPv6 are enabled, possibly only one 2072a49a78eSVikas Chaudhary * IP address may be acquired, so check to see if we 2082a49a78eSVikas Chaudhary * need to wait for another */ 2092a49a78eSVikas Chaudhary if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) { 2102a49a78eSVikas Chaudhary if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) && 2112a49a78eSVikas Chaudhary ((ha->addl_fw_state & 2122a49a78eSVikas Chaudhary FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) { 2132a49a78eSVikas Chaudhary ipv4_wait = 1; 2142a49a78eSVikas Chaudhary } 2152bab08fcSVikas Chaudhary if (((ha->ip_config.ipv6_addl_options & 2162a49a78eSVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) && 2172bab08fcSVikas Chaudhary ((ha->ip_config.ipv6_link_local_state == 2182bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) || 2192bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr0_state == 2202bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) || 2212bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr1_state == 2222bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING))) { 2232a49a78eSVikas Chaudhary 2242a49a78eSVikas Chaudhary ipv6_wait = 1; 2252a49a78eSVikas Chaudhary 2262bab08fcSVikas Chaudhary if ((ha->ip_config.ipv6_link_local_state == 2272a49a78eSVikas Chaudhary IP_ADDRSTATE_PREFERRED) || 2282bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr0_state == 2292bab08fcSVikas Chaudhary IP_ADDRSTATE_PREFERRED) || 2302bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr1_state == 2312bab08fcSVikas Chaudhary IP_ADDRSTATE_PREFERRED)) { 2322a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 2332a49a78eSVikas Chaudhary "Preferred IP configured." 2342a49a78eSVikas Chaudhary " Don't wait!\n", ha->host_no, 2352a49a78eSVikas Chaudhary __func__)); 2362a49a78eSVikas Chaudhary ipv6_wait = 0; 2372a49a78eSVikas Chaudhary } 2382bab08fcSVikas Chaudhary if (memcmp(&ha->ip_config.ipv6_default_router_addr, 2392bab08fcSVikas Chaudhary ip_address, IPv6_ADDR_LEN) == 0) { 2402a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 2412a49a78eSVikas Chaudhary "No Router configured. " 2422a49a78eSVikas Chaudhary "Don't wait!\n", ha->host_no, 2432a49a78eSVikas Chaudhary __func__)); 2442a49a78eSVikas Chaudhary ipv6_wait = 0; 2452a49a78eSVikas Chaudhary } 2462bab08fcSVikas Chaudhary if ((ha->ip_config.ipv6_default_router_state == 2472a49a78eSVikas Chaudhary IPV6_RTRSTATE_MANUAL) && 2482bab08fcSVikas Chaudhary (ha->ip_config.ipv6_link_local_state == 2492a49a78eSVikas Chaudhary IP_ADDRSTATE_TENTATIVE) && 2502bab08fcSVikas Chaudhary (memcmp(&ha->ip_config.ipv6_link_local_addr, 2512bab08fcSVikas Chaudhary &ha->ip_config.ipv6_default_router_addr, 4) == 2522bab08fcSVikas Chaudhary 0)) { 2532a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: LinkLocal Router & " 2542a49a78eSVikas Chaudhary "IP configured. Don't wait!\n", 2552a49a78eSVikas Chaudhary ha->host_no, __func__)); 2562a49a78eSVikas Chaudhary ipv6_wait = 0; 2572a49a78eSVikas Chaudhary } 2582a49a78eSVikas Chaudhary } 2592a49a78eSVikas Chaudhary if (ipv4_wait || ipv6_wait) { 2602a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Wait for additional " 2612a49a78eSVikas Chaudhary "IP(s) \"", ha->host_no, __func__)); 2622a49a78eSVikas Chaudhary if (ipv4_wait) 2632a49a78eSVikas Chaudhary DEBUG2(printk("IPv4 ")); 2642bab08fcSVikas Chaudhary if (ha->ip_config.ipv6_link_local_state == 2652bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) 2662a49a78eSVikas Chaudhary DEBUG2(printk("IPv6LinkLocal ")); 2672bab08fcSVikas Chaudhary if (ha->ip_config.ipv6_addr0_state == 2682bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) 2692a49a78eSVikas Chaudhary DEBUG2(printk("IPv6Addr0 ")); 2702bab08fcSVikas Chaudhary if (ha->ip_config.ipv6_addr1_state == 2712bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) 2722a49a78eSVikas Chaudhary DEBUG2(printk("IPv6Addr1 ")); 2732a49a78eSVikas Chaudhary DEBUG2(printk("\"\n")); 2742a49a78eSVikas Chaudhary } 2752a49a78eSVikas Chaudhary } 2762a49a78eSVikas Chaudhary 2772a49a78eSVikas Chaudhary return ipv4_wait|ipv6_wait; 2782a49a78eSVikas Chaudhary } 2792a49a78eSVikas Chaudhary 280068237c8STej Parkash /** 281068237c8STej Parkash * qla4xxx_alloc_fw_dump - Allocate memory for minidump data. 282068237c8STej Parkash * @ha: pointer to host adapter structure. 283068237c8STej Parkash **/ 284068237c8STej Parkash void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha) 285068237c8STej Parkash { 286068237c8STej Parkash int status; 287068237c8STej Parkash uint32_t capture_debug_level; 288068237c8STej Parkash int hdr_entry_bit, k; 289068237c8STej Parkash void *md_tmp; 290068237c8STej Parkash dma_addr_t md_tmp_dma; 291068237c8STej Parkash struct qla4_8xxx_minidump_template_hdr *md_hdr; 292068237c8STej Parkash 293068237c8STej Parkash if (ha->fw_dump) { 294068237c8STej Parkash ql4_printk(KERN_WARNING, ha, 295068237c8STej Parkash "Firmware dump previously allocated.\n"); 296068237c8STej Parkash return; 297068237c8STej Parkash } 298068237c8STej Parkash 299068237c8STej Parkash status = qla4xxx_req_template_size(ha); 300068237c8STej Parkash if (status != QLA_SUCCESS) { 301068237c8STej Parkash ql4_printk(KERN_INFO, ha, 302068237c8STej Parkash "scsi%ld: Failed to get template size\n", 303068237c8STej Parkash ha->host_no); 304068237c8STej Parkash return; 305068237c8STej Parkash } 306068237c8STej Parkash 307068237c8STej Parkash clear_bit(AF_82XX_FW_DUMPED, &ha->flags); 308068237c8STej Parkash 309068237c8STej Parkash /* Allocate memory for saving the template */ 310068237c8STej Parkash md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, 311068237c8STej Parkash &md_tmp_dma, GFP_KERNEL); 312068237c8STej Parkash 313068237c8STej Parkash /* Request template */ 314068237c8STej Parkash status = qla4xxx_get_minidump_template(ha, md_tmp_dma); 315068237c8STej Parkash if (status != QLA_SUCCESS) { 316068237c8STej Parkash ql4_printk(KERN_INFO, ha, 317068237c8STej Parkash "scsi%ld: Failed to get minidump template\n", 318068237c8STej Parkash ha->host_no); 319068237c8STej Parkash goto alloc_cleanup; 320068237c8STej Parkash } 321068237c8STej Parkash 322068237c8STej Parkash md_hdr = (struct qla4_8xxx_minidump_template_hdr *)md_tmp; 323068237c8STej Parkash 324068237c8STej Parkash capture_debug_level = md_hdr->capture_debug_level; 325068237c8STej Parkash 326068237c8STej Parkash /* Get capture mask based on module loadtime setting. */ 327068237c8STej Parkash if (ql4xmdcapmask >= 0x3 && ql4xmdcapmask <= 0x7F) 328068237c8STej Parkash ha->fw_dump_capture_mask = ql4xmdcapmask; 329068237c8STej Parkash else 330068237c8STej Parkash ha->fw_dump_capture_mask = capture_debug_level; 331068237c8STej Parkash 332068237c8STej Parkash md_hdr->driver_capture_mask = ha->fw_dump_capture_mask; 333068237c8STej Parkash 334068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, "Minimum num of entries = %d\n", 335068237c8STej Parkash md_hdr->num_of_entries)); 336068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, "Dump template size = %d\n", 337068237c8STej Parkash ha->fw_dump_tmplt_size)); 338068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, "Selected Capture mask =0x%x\n", 339068237c8STej Parkash ha->fw_dump_capture_mask)); 340068237c8STej Parkash 341068237c8STej Parkash /* Calculate fw_dump_size */ 342068237c8STej Parkash for (hdr_entry_bit = 0x2, k = 1; (hdr_entry_bit & 0xFF); 343068237c8STej Parkash hdr_entry_bit <<= 1, k++) { 344068237c8STej Parkash if (hdr_entry_bit & ha->fw_dump_capture_mask) 345068237c8STej Parkash ha->fw_dump_size += md_hdr->capture_size_array[k]; 346068237c8STej Parkash } 347068237c8STej Parkash 348068237c8STej Parkash /* Total firmware dump size including command header */ 349068237c8STej Parkash ha->fw_dump_size += ha->fw_dump_tmplt_size; 350068237c8STej Parkash ha->fw_dump = vmalloc(ha->fw_dump_size); 351068237c8STej Parkash if (!ha->fw_dump) 352068237c8STej Parkash goto alloc_cleanup; 353068237c8STej Parkash 354068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 355068237c8STej Parkash "Minidump Tempalate Size = 0x%x KB\n", 356068237c8STej Parkash ha->fw_dump_tmplt_size)); 357068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 358068237c8STej Parkash "Total Minidump size = 0x%x KB\n", ha->fw_dump_size)); 359068237c8STej Parkash 360068237c8STej Parkash memcpy(ha->fw_dump, md_tmp, ha->fw_dump_tmplt_size); 361068237c8STej Parkash ha->fw_dump_tmplt_hdr = ha->fw_dump; 362068237c8STej Parkash 363068237c8STej Parkash alloc_cleanup: 364068237c8STej Parkash dma_free_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, 365068237c8STej Parkash md_tmp, md_tmp_dma); 366068237c8STej Parkash } 367068237c8STej Parkash 368afaf5a2dSDavid Somayajulu static int qla4xxx_fw_ready(struct scsi_qla_host *ha) 369afaf5a2dSDavid Somayajulu { 370afaf5a2dSDavid Somayajulu uint32_t timeout_count; 371afaf5a2dSDavid Somayajulu int ready = 0; 372afaf5a2dSDavid Somayajulu 373c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n")); 374afaf5a2dSDavid Somayajulu for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0; 375afaf5a2dSDavid Somayajulu timeout_count--) { 376afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 377afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 378afaf5a2dSDavid Somayajulu 379afaf5a2dSDavid Somayajulu /* Get firmware state. */ 380afaf5a2dSDavid Somayajulu if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) { 381afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: unable to get firmware " 382afaf5a2dSDavid Somayajulu "state\n", ha->host_no, __func__)); 383afaf5a2dSDavid Somayajulu break; 384afaf5a2dSDavid Somayajulu } 385afaf5a2dSDavid Somayajulu 386afaf5a2dSDavid Somayajulu if (ha->firmware_state & FW_STATE_ERROR) { 387afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: an unrecoverable error has" 388afaf5a2dSDavid Somayajulu " occurred\n", ha->host_no, __func__)); 389afaf5a2dSDavid Somayajulu break; 390afaf5a2dSDavid Somayajulu 391afaf5a2dSDavid Somayajulu } 392afaf5a2dSDavid Somayajulu if (ha->firmware_state & FW_STATE_CONFIG_WAIT) { 393afaf5a2dSDavid Somayajulu /* 394afaf5a2dSDavid Somayajulu * The firmware has not yet been issued an Initialize 395afaf5a2dSDavid Somayajulu * Firmware command, so issue it now. 396afaf5a2dSDavid Somayajulu */ 397afaf5a2dSDavid Somayajulu if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) 398afaf5a2dSDavid Somayajulu break; 399afaf5a2dSDavid Somayajulu 400afaf5a2dSDavid Somayajulu /* Go back and test for ready state - no wait. */ 401afaf5a2dSDavid Somayajulu continue; 402afaf5a2dSDavid Somayajulu } 403afaf5a2dSDavid Somayajulu 4042a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { 4052a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" 4062a49a78eSVikas Chaudhary "AUTOCONNECT in progress\n", 4072a49a78eSVikas Chaudhary ha->host_no, __func__)); 4082a49a78eSVikas Chaudhary } 4092a49a78eSVikas Chaudhary 4102a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { 4112a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" 4122a49a78eSVikas Chaudhary " CONFIGURING IP\n", 4132a49a78eSVikas Chaudhary ha->host_no, __func__)); 4142a49a78eSVikas Chaudhary /* 4152a49a78eSVikas Chaudhary * Check for link state after 15 secs and if link is 4162a49a78eSVikas Chaudhary * still DOWN then, cable is unplugged. Ignore "DHCP 4172a49a78eSVikas Chaudhary * in Progress/CONFIGURING IP" bit to check if firmware 4182a49a78eSVikas Chaudhary * is in ready state or not after 15 secs. 4192a49a78eSVikas Chaudhary * This is applicable for both 2.x & 3.x firmware 4202a49a78eSVikas Chaudhary */ 4212a49a78eSVikas Chaudhary if (timeout_count <= (ADAPTER_INIT_TOV - 15)) { 4222a49a78eSVikas Chaudhary if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) { 4232a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s:" 4242a49a78eSVikas Chaudhary " LINK UP (Cable plugged)\n", 4252a49a78eSVikas Chaudhary ha->host_no, __func__)); 4262a49a78eSVikas Chaudhary } else if (ha->firmware_state & 4272a49a78eSVikas Chaudhary (FW_STATE_CONFIGURING_IP | 4282a49a78eSVikas Chaudhary FW_STATE_READY)) { 4292a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 4302a49a78eSVikas Chaudhary "LINK DOWN (Cable unplugged)\n", 4312a49a78eSVikas Chaudhary ha->host_no, __func__)); 4322a49a78eSVikas Chaudhary ha->firmware_state = FW_STATE_READY; 4332a49a78eSVikas Chaudhary } 4342a49a78eSVikas Chaudhary } 4352a49a78eSVikas Chaudhary } 4362a49a78eSVikas Chaudhary 437afaf5a2dSDavid Somayajulu if (ha->firmware_state == FW_STATE_READY) { 4382a49a78eSVikas Chaudhary /* If DHCP IP Addr is available, retrieve it now. */ 4392a49a78eSVikas Chaudhary if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, 4402a49a78eSVikas Chaudhary &ha->dpc_flags)) 4412a49a78eSVikas Chaudhary qla4xxx_get_dhcp_ip_address(ha); 4422a49a78eSVikas Chaudhary 4432a49a78eSVikas Chaudhary if (!qla4xxx_wait_for_ip_config(ha) || 4442a49a78eSVikas Chaudhary timeout_count == 1) { 445c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4462a49a78eSVikas Chaudhary "Firmware Ready..\n")); 4472a49a78eSVikas Chaudhary /* The firmware is ready to process SCSI 4482a49a78eSVikas Chaudhary commands. */ 449c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4502a49a78eSVikas Chaudhary "scsi%ld: %s: MEDIA TYPE" 4512a49a78eSVikas Chaudhary " - %s\n", ha->host_no, 452afaf5a2dSDavid Somayajulu __func__, (ha->addl_fw_state & 453afaf5a2dSDavid Somayajulu FW_ADDSTATE_OPTICAL_MEDIA) 454afaf5a2dSDavid Somayajulu != 0 ? "OPTICAL" : "COPPER")); 455c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4562a49a78eSVikas Chaudhary "scsi%ld: %s: DHCPv4 STATE" 4572a49a78eSVikas Chaudhary " Enabled %s\n", ha->host_no, 4582a49a78eSVikas Chaudhary __func__, (ha->addl_fw_state & 4592a49a78eSVikas Chaudhary FW_ADDSTATE_DHCPv4_ENABLED) != 0 ? 460afaf5a2dSDavid Somayajulu "YES" : "NO")); 461c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 462afaf5a2dSDavid Somayajulu "scsi%ld: %s: LINK %s\n", 463afaf5a2dSDavid Somayajulu ha->host_no, __func__, 464afaf5a2dSDavid Somayajulu (ha->addl_fw_state & 465afaf5a2dSDavid Somayajulu FW_ADDSTATE_LINK_UP) != 0 ? 466afaf5a2dSDavid Somayajulu "UP" : "DOWN")); 467c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 468afaf5a2dSDavid Somayajulu "scsi%ld: %s: iSNS Service " 469afaf5a2dSDavid Somayajulu "Started %s\n", 470afaf5a2dSDavid Somayajulu ha->host_no, __func__, 471afaf5a2dSDavid Somayajulu (ha->addl_fw_state & 472afaf5a2dSDavid Somayajulu FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ? 473afaf5a2dSDavid Somayajulu "YES" : "NO")); 474afaf5a2dSDavid Somayajulu 475afaf5a2dSDavid Somayajulu ready = 1; 476afaf5a2dSDavid Somayajulu break; 477afaf5a2dSDavid Somayajulu } 4782a49a78eSVikas Chaudhary } 479afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - " 480afaf5a2dSDavid Somayajulu "seconds expired= %d\n", ha->host_no, __func__, 481afaf5a2dSDavid Somayajulu ha->firmware_state, ha->addl_fw_state, 482afaf5a2dSDavid Somayajulu timeout_count)); 483d915058fSDavid C Somayajulu if (is_qla4032(ha) && 484d915058fSDavid C Somayajulu !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) && 485d915058fSDavid C Somayajulu (timeout_count < ADAPTER_INIT_TOV - 5)) { 486d915058fSDavid C Somayajulu break; 487d915058fSDavid C Somayajulu } 488d915058fSDavid C Somayajulu 489afaf5a2dSDavid Somayajulu msleep(1000); 490afaf5a2dSDavid Somayajulu } /* end of for */ 491afaf5a2dSDavid Somayajulu 4922a49a78eSVikas Chaudhary if (timeout_count <= 0) 493afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n", 494afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 495afaf5a2dSDavid Somayajulu 4962a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { 4972a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting " 4982a49a78eSVikas Chaudhary "it's waiting to configure an IP address\n", 499afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 500afaf5a2dSDavid Somayajulu ready = 1; 5012a49a78eSVikas Chaudhary } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { 5022a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: FW initialized, but " 5032a49a78eSVikas Chaudhary "auto-discovery still in process\n", 5042a49a78eSVikas Chaudhary ha->host_no, __func__)); 505b966346cSVikas Chaudhary ready = 1; 506afaf5a2dSDavid Somayajulu } 507afaf5a2dSDavid Somayajulu 508afaf5a2dSDavid Somayajulu return ready; 509afaf5a2dSDavid Somayajulu } 510afaf5a2dSDavid Somayajulu 511afaf5a2dSDavid Somayajulu /** 512afaf5a2dSDavid Somayajulu * qla4xxx_init_firmware - initializes the firmware. 513afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 514afaf5a2dSDavid Somayajulu * 515afaf5a2dSDavid Somayajulu **/ 516afaf5a2dSDavid Somayajulu static int qla4xxx_init_firmware(struct scsi_qla_host *ha) 517afaf5a2dSDavid Somayajulu { 518afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 519afaf5a2dSDavid Somayajulu 5202232be0dSLalit Chandivade if (is_aer_supported(ha) && 5212232be0dSLalit Chandivade test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 5222232be0dSLalit Chandivade return status; 5232232be0dSLalit Chandivade 5249d4946f8SLalit Chandivade /* For 82xx, stop firmware before initializing because if BIOS 5259d4946f8SLalit Chandivade * has previously initialized firmware, then driver's initialize 5269d4946f8SLalit Chandivade * firmware will fail. */ 5279d4946f8SLalit Chandivade if (is_qla8022(ha)) 5289d4946f8SLalit Chandivade qla4_8xxx_stop_firmware(ha); 5299d4946f8SLalit Chandivade 530c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Initializing firmware..\n"); 531afaf5a2dSDavid Somayajulu if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) { 532afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware " 533afaf5a2dSDavid Somayajulu "control block\n", ha->host_no, __func__)); 534afaf5a2dSDavid Somayajulu return status; 535afaf5a2dSDavid Somayajulu } 536068237c8STej Parkash 537afaf5a2dSDavid Somayajulu if (!qla4xxx_fw_ready(ha)) 538afaf5a2dSDavid Somayajulu return status; 539afaf5a2dSDavid Somayajulu 540068237c8STej Parkash if (is_qla8022(ha) && !test_bit(AF_INIT_DONE, &ha->flags)) 541068237c8STej Parkash qla4xxx_alloc_fw_dump(ha); 542068237c8STej Parkash 543afaf5a2dSDavid Somayajulu return qla4xxx_get_firmware_status(ha); 544afaf5a2dSDavid Somayajulu } 545afaf5a2dSDavid Somayajulu 54691ec7cecSVikas Chaudhary static void qla4xxx_set_model_info(struct scsi_qla_host *ha) 54791ec7cecSVikas Chaudhary { 54891ec7cecSVikas Chaudhary uint16_t board_id_string[8]; 54991ec7cecSVikas Chaudhary int i; 55091ec7cecSVikas Chaudhary int size = sizeof(ha->nvram->isp4022.boardIdStr); 55191ec7cecSVikas Chaudhary int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2; 55291ec7cecSVikas Chaudhary 55391ec7cecSVikas Chaudhary for (i = 0; i < (size / 2) ; i++) { 55491ec7cecSVikas Chaudhary board_id_string[i] = rd_nvram_word(ha, offset); 55591ec7cecSVikas Chaudhary offset += 1; 55691ec7cecSVikas Chaudhary } 55791ec7cecSVikas Chaudhary 55891ec7cecSVikas Chaudhary memcpy(ha->model_name, board_id_string, size); 55991ec7cecSVikas Chaudhary } 56091ec7cecSVikas Chaudhary 561afaf5a2dSDavid Somayajulu static int qla4xxx_config_nvram(struct scsi_qla_host *ha) 562afaf5a2dSDavid Somayajulu { 563afaf5a2dSDavid Somayajulu unsigned long flags; 564afaf5a2dSDavid Somayajulu union external_hw_config_reg extHwConfig; 565afaf5a2dSDavid Somayajulu 566afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no, 567afaf5a2dSDavid Somayajulu __func__)); 568afaf5a2dSDavid Somayajulu if (ql4xxx_lock_flash(ha) != QLA_SUCCESS) 569b3925514SMike Christie return QLA_ERROR; 570afaf5a2dSDavid Somayajulu if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) { 571afaf5a2dSDavid Somayajulu ql4xxx_unlock_flash(ha); 572b3925514SMike Christie return QLA_ERROR; 573afaf5a2dSDavid Somayajulu } 574afaf5a2dSDavid Somayajulu 575afaf5a2dSDavid Somayajulu /* Get EEPRom Parameters from NVRAM and validate */ 576c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n"); 577afaf5a2dSDavid Somayajulu if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) { 578afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 579afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 580afaf5a2dSDavid Somayajulu rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha)); 581afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 582afaf5a2dSDavid Somayajulu } else { 583c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 584afaf5a2dSDavid Somayajulu "scsi%ld: %s: EEProm checksum invalid. " 585afaf5a2dSDavid Somayajulu "Please update your EEPROM\n", ha->host_no, 586afaf5a2dSDavid Somayajulu __func__); 587afaf5a2dSDavid Somayajulu 588b3925514SMike Christie /* Attempt to set defaults */ 589afaf5a2dSDavid Somayajulu if (is_qla4010(ha)) 590afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 0x1912; 591d915058fSDavid C Somayajulu else if (is_qla4022(ha) | is_qla4032(ha)) 592afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 0x0023; 593b3925514SMike Christie else 594b3925514SMike Christie return QLA_ERROR; 595afaf5a2dSDavid Somayajulu } 59691ec7cecSVikas Chaudhary 59791ec7cecSVikas Chaudhary if (is_qla4022(ha) || is_qla4032(ha)) 59891ec7cecSVikas Chaudhary qla4xxx_set_model_info(ha); 59991ec7cecSVikas Chaudhary else 60091ec7cecSVikas Chaudhary strcpy(ha->model_name, "QLA4010"); 60191ec7cecSVikas Chaudhary 602afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", 603afaf5a2dSDavid Somayajulu ha->host_no, __func__, extHwConfig.Asuint32_t)); 604afaf5a2dSDavid Somayajulu 605afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 606afaf5a2dSDavid Somayajulu writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha)); 607afaf5a2dSDavid Somayajulu readl(isp_ext_hw_conf(ha)); 608afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 609afaf5a2dSDavid Somayajulu 610afaf5a2dSDavid Somayajulu ql4xxx_unlock_nvram(ha); 611afaf5a2dSDavid Somayajulu ql4xxx_unlock_flash(ha); 612afaf5a2dSDavid Somayajulu 613b3925514SMike Christie return QLA_SUCCESS; 614afaf5a2dSDavid Somayajulu } 615afaf5a2dSDavid Somayajulu 616f4f5df23SVikas Chaudhary /** 617f4f5df23SVikas Chaudhary * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers. 618f4f5df23SVikas Chaudhary * @ha: HA context 619f4f5df23SVikas Chaudhary */ 620f4f5df23SVikas Chaudhary void qla4_8xxx_pci_config(struct scsi_qla_host *ha) 621f4f5df23SVikas Chaudhary { 622f4f5df23SVikas Chaudhary pci_set_master(ha->pdev); 623f4f5df23SVikas Chaudhary } 624f4f5df23SVikas Chaudhary 625f4f5df23SVikas Chaudhary void qla4xxx_pci_config(struct scsi_qla_host *ha) 626afaf5a2dSDavid Somayajulu { 62792b72736SDavid C Somayajulu uint16_t w; 62846235e60SDavid C Somayajulu int status; 629afaf5a2dSDavid Somayajulu 630c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 631afaf5a2dSDavid Somayajulu 632afaf5a2dSDavid Somayajulu pci_set_master(ha->pdev); 63346235e60SDavid C Somayajulu status = pci_set_mwi(ha->pdev); 634afaf5a2dSDavid Somayajulu /* 635afaf5a2dSDavid Somayajulu * We want to respect framework's setting of PCI configuration space 636afaf5a2dSDavid Somayajulu * command register and also want to make sure that all bits of 637afaf5a2dSDavid Somayajulu * interest to us are properly set in command register. 638afaf5a2dSDavid Somayajulu */ 639afaf5a2dSDavid Somayajulu pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 64092b72736SDavid C Somayajulu w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; 641afaf5a2dSDavid Somayajulu w &= ~PCI_COMMAND_INTX_DISABLE; 642afaf5a2dSDavid Somayajulu pci_write_config_word(ha->pdev, PCI_COMMAND, w); 643afaf5a2dSDavid Somayajulu } 644afaf5a2dSDavid Somayajulu 645afaf5a2dSDavid Somayajulu static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) 646afaf5a2dSDavid Somayajulu { 647afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 648c301b026SVikas Chaudhary unsigned long max_wait_time; 649afaf5a2dSDavid Somayajulu unsigned long flags; 650afaf5a2dSDavid Somayajulu uint32_t mbox_status; 651afaf5a2dSDavid Somayajulu 652c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Starting firmware ...\n"); 653afaf5a2dSDavid Somayajulu 654afaf5a2dSDavid Somayajulu /* 655afaf5a2dSDavid Somayajulu * Start firmware from flash ROM 656afaf5a2dSDavid Somayajulu * 657afaf5a2dSDavid Somayajulu * WORKAROUND: Stuff a non-constant value that the firmware can 658afaf5a2dSDavid Somayajulu * use as a seed for a random number generator in MB7 prior to 659afaf5a2dSDavid Somayajulu * setting BOOT_ENABLE. Fixes problem where the TCP 660afaf5a2dSDavid Somayajulu * connections use the same TCP ports after each reboot, 661afaf5a2dSDavid Somayajulu * causing some connections to not get re-established. 662afaf5a2dSDavid Somayajulu */ 663afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n", 664afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 665afaf5a2dSDavid Somayajulu 666afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 667afaf5a2dSDavid Somayajulu writel(jiffies, &ha->reg->mailbox[7]); 668d915058fSDavid C Somayajulu if (is_qla4022(ha) | is_qla4032(ha)) 669afaf5a2dSDavid Somayajulu writel(set_rmask(NVR_WRITE_ENABLE), 670afaf5a2dSDavid Somayajulu &ha->reg->u1.isp4022.nvram); 671afaf5a2dSDavid Somayajulu 67292b72736SDavid C Somayajulu writel(2, &ha->reg->mailbox[6]); 67392b72736SDavid C Somayajulu readl(&ha->reg->mailbox[6]); 67492b72736SDavid C Somayajulu 675afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status); 676afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 677afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 678afaf5a2dSDavid Somayajulu 679afaf5a2dSDavid Somayajulu /* Wait for firmware to come UP. */ 680c301b026SVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for " 681c301b026SVikas Chaudhary "boot firmware to complete...\n", 682c301b026SVikas Chaudhary ha->host_no, __func__, FIRMWARE_UP_TOV)); 683c301b026SVikas Chaudhary max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ); 684afaf5a2dSDavid Somayajulu do { 685afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 686afaf5a2dSDavid Somayajulu 687afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 688afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 689afaf5a2dSDavid Somayajulu mbox_status = readw(&ha->reg->mailbox[0]); 690afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 691afaf5a2dSDavid Somayajulu 692afaf5a2dSDavid Somayajulu if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR)) 693afaf5a2dSDavid Somayajulu break; 694afaf5a2dSDavid Somayajulu if (mbox_status == MBOX_STS_COMMAND_COMPLETE) 695afaf5a2dSDavid Somayajulu break; 696afaf5a2dSDavid Somayajulu 697c301b026SVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot " 698f581a3f7SVikas Chaudhary "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n", 699f581a3f7SVikas Chaudhary ha->host_no, __func__, ctrl_status, max_wait_time)); 700afaf5a2dSDavid Somayajulu 701c301b026SVikas Chaudhary msleep_interruptible(250); 702c301b026SVikas Chaudhary } while (!time_after_eq(jiffies, max_wait_time)); 703afaf5a2dSDavid Somayajulu 704afaf5a2dSDavid Somayajulu if (mbox_status == MBOX_STS_COMMAND_COMPLETE) { 705c301b026SVikas Chaudhary DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n", 706afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 707afaf5a2dSDavid Somayajulu 708afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 709afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 710afaf5a2dSDavid Somayajulu &ha->reg->ctrl_status); 711afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 712afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 713afaf5a2dSDavid Somayajulu 714afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 715afaf5a2dSDavid Somayajulu } else { 716afaf5a2dSDavid Somayajulu printk(KERN_INFO "scsi%ld: %s: Boot firmware failed " 717afaf5a2dSDavid Somayajulu "- mbox status 0x%x\n", ha->host_no, __func__, 718afaf5a2dSDavid Somayajulu mbox_status); 719afaf5a2dSDavid Somayajulu status = QLA_ERROR; 720afaf5a2dSDavid Somayajulu } 721afaf5a2dSDavid Somayajulu return status; 722afaf5a2dSDavid Somayajulu } 723afaf5a2dSDavid Somayajulu 72492b72736SDavid C Somayajulu int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) 725afaf5a2dSDavid Somayajulu { 72692b72736SDavid C Somayajulu #define QL4_LOCK_DRVR_WAIT 60 727477ffb9dSDavid C Somayajulu #define QL4_LOCK_DRVR_SLEEP 1 728afaf5a2dSDavid Somayajulu 729afaf5a2dSDavid Somayajulu int drvr_wait = QL4_LOCK_DRVR_WAIT; 730afaf5a2dSDavid Somayajulu while (drvr_wait) { 73192b72736SDavid C Somayajulu if (ql4xxx_lock_drvr(a) == 0) { 732477ffb9dSDavid C Somayajulu ssleep(QL4_LOCK_DRVR_SLEEP); 733afaf5a2dSDavid Somayajulu if (drvr_wait) { 734afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Waiting for " 73592b72736SDavid C Somayajulu "Global Init Semaphore(%d)...\n", 73692b72736SDavid C Somayajulu a->host_no, 737477ffb9dSDavid C Somayajulu __func__, drvr_wait)); 738afaf5a2dSDavid Somayajulu } 739afaf5a2dSDavid Somayajulu drvr_wait -= QL4_LOCK_DRVR_SLEEP; 740afaf5a2dSDavid Somayajulu } else { 741afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Global Init Semaphore " 74292b72736SDavid C Somayajulu "acquired\n", a->host_no, __func__)); 743afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 744afaf5a2dSDavid Somayajulu } 745afaf5a2dSDavid Somayajulu } 746afaf5a2dSDavid Somayajulu return QLA_ERROR; 747afaf5a2dSDavid Somayajulu } 748afaf5a2dSDavid Somayajulu 749afaf5a2dSDavid Somayajulu /** 750afaf5a2dSDavid Somayajulu * qla4xxx_start_firmware - starts qla4xxx firmware 751afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 752afaf5a2dSDavid Somayajulu * 7533a4fa0a2SRobert P. J. Day * This routine performs the necessary steps to start the firmware for 754afaf5a2dSDavid Somayajulu * the QLA4010 adapter. 755afaf5a2dSDavid Somayajulu **/ 756f4f5df23SVikas Chaudhary int qla4xxx_start_firmware(struct scsi_qla_host *ha) 757afaf5a2dSDavid Somayajulu { 758afaf5a2dSDavid Somayajulu unsigned long flags = 0; 759afaf5a2dSDavid Somayajulu uint32_t mbox_status; 760afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 761afaf5a2dSDavid Somayajulu int soft_reset = 1; 762afaf5a2dSDavid Somayajulu int config_chip = 0; 763afaf5a2dSDavid Somayajulu 764d915058fSDavid C Somayajulu if (is_qla4022(ha) | is_qla4032(ha)) 765afaf5a2dSDavid Somayajulu ql4xxx_set_mac_number(ha); 766afaf5a2dSDavid Somayajulu 767afaf5a2dSDavid Somayajulu if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 768afaf5a2dSDavid Somayajulu return QLA_ERROR; 769afaf5a2dSDavid Somayajulu 770afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 771afaf5a2dSDavid Somayajulu 772afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no, 773afaf5a2dSDavid Somayajulu __func__, readw(isp_port_ctrl(ha)))); 774afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no, 775afaf5a2dSDavid Somayajulu __func__, readw(isp_port_status(ha)))); 776afaf5a2dSDavid Somayajulu 777afaf5a2dSDavid Somayajulu /* Is Hardware already initialized? */ 778afaf5a2dSDavid Somayajulu if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) { 779afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Hardware has already been " 780afaf5a2dSDavid Somayajulu "initialized\n", ha->host_no, __func__)); 781afaf5a2dSDavid Somayajulu 782afaf5a2dSDavid Somayajulu /* Receive firmware boot acknowledgement */ 783afaf5a2dSDavid Somayajulu mbox_status = readw(&ha->reg->mailbox[0]); 784afaf5a2dSDavid Somayajulu 785afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= " 786afaf5a2dSDavid Somayajulu "0x%x\n", ha->host_no, __func__, mbox_status)); 787afaf5a2dSDavid Somayajulu 788afaf5a2dSDavid Somayajulu /* Is firmware already booted? */ 789afaf5a2dSDavid Somayajulu if (mbox_status == 0) { 790afaf5a2dSDavid Somayajulu /* F/W not running, must be config by net driver */ 791afaf5a2dSDavid Somayajulu config_chip = 1; 792afaf5a2dSDavid Somayajulu soft_reset = 0; 793afaf5a2dSDavid Somayajulu } else { 794afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 795afaf5a2dSDavid Somayajulu &ha->reg->ctrl_status); 796afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 79778764999SSarang Radke writel(set_rmask(CSR_SCSI_COMPLETION_INTR), 79878764999SSarang Radke &ha->reg->ctrl_status); 79978764999SSarang Radke readl(&ha->reg->ctrl_status); 800afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 801afaf5a2dSDavid Somayajulu if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { 802afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Get firmware " 803afaf5a2dSDavid Somayajulu "state -- state = 0x%x\n", 804afaf5a2dSDavid Somayajulu ha->host_no, 805afaf5a2dSDavid Somayajulu __func__, ha->firmware_state)); 806afaf5a2dSDavid Somayajulu /* F/W is running */ 807afaf5a2dSDavid Somayajulu if (ha->firmware_state & 808afaf5a2dSDavid Somayajulu FW_STATE_CONFIG_WAIT) { 809afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Firmware " 810afaf5a2dSDavid Somayajulu "in known state -- " 811afaf5a2dSDavid Somayajulu "config and " 812afaf5a2dSDavid Somayajulu "boot, state = 0x%x\n", 813afaf5a2dSDavid Somayajulu ha->host_no, __func__, 814afaf5a2dSDavid Somayajulu ha->firmware_state)); 815afaf5a2dSDavid Somayajulu config_chip = 1; 816afaf5a2dSDavid Somayajulu soft_reset = 0; 817afaf5a2dSDavid Somayajulu } 818afaf5a2dSDavid Somayajulu } else { 819afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Firmware in " 820afaf5a2dSDavid Somayajulu "unknown state -- resetting," 821afaf5a2dSDavid Somayajulu " state = " 822afaf5a2dSDavid Somayajulu "0x%x\n", ha->host_no, __func__, 823afaf5a2dSDavid Somayajulu ha->firmware_state)); 824afaf5a2dSDavid Somayajulu } 825afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 826afaf5a2dSDavid Somayajulu } 827afaf5a2dSDavid Somayajulu } else { 828afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been " 829afaf5a2dSDavid Somayajulu "started - resetting\n", ha->host_no, __func__)); 830afaf5a2dSDavid Somayajulu } 831afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 832afaf5a2dSDavid Somayajulu 833afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ", 834afaf5a2dSDavid Somayajulu ha->host_no, __func__, soft_reset, config_chip)); 835afaf5a2dSDavid Somayajulu if (soft_reset) { 836afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no, 837afaf5a2dSDavid Somayajulu __func__)); 838f4f5df23SVikas Chaudhary status = qla4xxx_soft_reset(ha); /* NOTE: acquires drvr 839f4f5df23SVikas Chaudhary * lock again, but ok */ 840afaf5a2dSDavid Somayajulu if (status == QLA_ERROR) { 841afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%d: %s: Soft Reset failed!\n", 842afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 843afaf5a2dSDavid Somayajulu ql4xxx_unlock_drvr(ha); 844afaf5a2dSDavid Somayajulu return QLA_ERROR; 845afaf5a2dSDavid Somayajulu } 846afaf5a2dSDavid Somayajulu config_chip = 1; 847afaf5a2dSDavid Somayajulu 848b1c11812SJoe Perches /* Reset clears the semaphore, so acquire again */ 849afaf5a2dSDavid Somayajulu if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 850afaf5a2dSDavid Somayajulu return QLA_ERROR; 851afaf5a2dSDavid Somayajulu } 852afaf5a2dSDavid Somayajulu 853afaf5a2dSDavid Somayajulu if (config_chip) { 854afaf5a2dSDavid Somayajulu if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS) 855afaf5a2dSDavid Somayajulu status = qla4xxx_start_firmware_from_flash(ha); 856afaf5a2dSDavid Somayajulu } 857afaf5a2dSDavid Somayajulu 858afaf5a2dSDavid Somayajulu ql4xxx_unlock_drvr(ha); 859afaf5a2dSDavid Somayajulu if (status == QLA_SUCCESS) { 860afaf5a2dSDavid Somayajulu if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags)) 861afaf5a2dSDavid Somayajulu qla4xxx_get_crash_record(ha); 862afaf5a2dSDavid Somayajulu } else { 863afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n", 864afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 865afaf5a2dSDavid Somayajulu } 866afaf5a2dSDavid Somayajulu return status; 867afaf5a2dSDavid Somayajulu } 868166dd20dSLalit Chandivade /** 869166dd20dSLalit Chandivade * qla4xxx_free_ddb_index - Free DDBs reserved by firmware 870166dd20dSLalit Chandivade * @ha: pointer to adapter structure 871166dd20dSLalit Chandivade * 872166dd20dSLalit Chandivade * Since firmware is not running in autoconnect mode the DDB indices should 873166dd20dSLalit Chandivade * be freed so that when login happens from user space there are free DDB 874166dd20dSLalit Chandivade * indices available. 875166dd20dSLalit Chandivade **/ 87613483730SMike Christie void qla4xxx_free_ddb_index(struct scsi_qla_host *ha) 877166dd20dSLalit Chandivade { 878166dd20dSLalit Chandivade int max_ddbs; 879166dd20dSLalit Chandivade int ret; 880166dd20dSLalit Chandivade uint32_t idx = 0, next_idx = 0; 881166dd20dSLalit Chandivade uint32_t state = 0, conn_err = 0; 882166dd20dSLalit Chandivade 88313483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 884166dd20dSLalit Chandivade MAX_DEV_DB_ENTRIES; 885166dd20dSLalit Chandivade 886166dd20dSLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 887166dd20dSLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 888166dd20dSLalit Chandivade &next_idx, &state, &conn_err, 889166dd20dSLalit Chandivade NULL, NULL); 890e1cd89c5STomas Henzl if (ret == QLA_ERROR) { 891e1cd89c5STomas Henzl next_idx++; 892166dd20dSLalit Chandivade continue; 893e1cd89c5STomas Henzl } 894166dd20dSLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 895166dd20dSLalit Chandivade state == DDB_DS_SESSION_FAILED) { 896166dd20dSLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 897166dd20dSLalit Chandivade "Freeing DDB index = 0x%x\n", idx)); 898166dd20dSLalit Chandivade ret = qla4xxx_clear_ddb_entry(ha, idx); 899166dd20dSLalit Chandivade if (ret == QLA_ERROR) 900166dd20dSLalit Chandivade ql4_printk(KERN_ERR, ha, 901166dd20dSLalit Chandivade "Unable to clear DDB index = " 902166dd20dSLalit Chandivade "0x%x\n", idx); 903166dd20dSLalit Chandivade } 904166dd20dSLalit Chandivade if (next_idx == 0) 905166dd20dSLalit Chandivade break; 906166dd20dSLalit Chandivade } 907166dd20dSLalit Chandivade } 908afaf5a2dSDavid Somayajulu 909afaf5a2dSDavid Somayajulu /** 910afaf5a2dSDavid Somayajulu * qla4xxx_initialize_adapter - initiailizes hba 911afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 912afaf5a2dSDavid Somayajulu * 913afaf5a2dSDavid Somayajulu * This routine parforms all of the steps necessary to initialize the adapter. 914afaf5a2dSDavid Somayajulu * 915afaf5a2dSDavid Somayajulu **/ 91613483730SMike Christie int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset) 917afaf5a2dSDavid Somayajulu { 918afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 919afaf5a2dSDavid Somayajulu 920afaf5a2dSDavid Somayajulu ha->eeprom_cmd_data = 0; 921afaf5a2dSDavid Somayajulu 922f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 923f4f5df23SVikas Chaudhary ha->isp_ops->pci_config(ha); 924afaf5a2dSDavid Somayajulu 925f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 926afaf5a2dSDavid Somayajulu 927afaf5a2dSDavid Somayajulu /* Initialize the Host adapter request/response queues and firmware */ 928f4f5df23SVikas Chaudhary if (ha->isp_ops->start_firmware(ha) == QLA_ERROR) 92946235e60SDavid C Somayajulu goto exit_init_hba; 930afaf5a2dSDavid Somayajulu 9317ad633c0SHarish Zunjarrao if (qla4xxx_about_firmware(ha) == QLA_ERROR) 932f4f5df23SVikas Chaudhary goto exit_init_hba; 933f4f5df23SVikas Chaudhary 934f4f5df23SVikas Chaudhary if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR) 93546235e60SDavid C Somayajulu goto exit_init_hba; 936afaf5a2dSDavid Somayajulu 937afaf5a2dSDavid Somayajulu if (qla4xxx_init_local_data(ha) == QLA_ERROR) 93846235e60SDavid C Somayajulu goto exit_init_hba; 939afaf5a2dSDavid Somayajulu 940afaf5a2dSDavid Somayajulu status = qla4xxx_init_firmware(ha); 941afaf5a2dSDavid Somayajulu if (status == QLA_ERROR) 94246235e60SDavid C Somayajulu goto exit_init_hba; 943afaf5a2dSDavid Somayajulu 94413483730SMike Christie if (is_reset == RESET_ADAPTER) 94513483730SMike Christie qla4xxx_build_ddb_list(ha, is_reset); 946166dd20dSLalit Chandivade 94792b72736SDavid C Somayajulu set_bit(AF_ONLINE, &ha->flags); 948afaf5a2dSDavid Somayajulu exit_init_hba: 9493710c60cSVikas Chaudhary if (is_qla8022(ha) && (status == QLA_ERROR)) { 9503710c60cSVikas Chaudhary /* Since interrupts are registered in start_firmware for 9513710c60cSVikas Chaudhary * 82xx, release them here if initialize_adapter fails */ 9523710c60cSVikas Chaudhary qla4xxx_free_irqs(ha); 9533710c60cSVikas Chaudhary } 9543710c60cSVikas Chaudhary 955f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no, 95625985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 957afaf5a2dSDavid Somayajulu return status; 958afaf5a2dSDavid Somayajulu } 959afaf5a2dSDavid Somayajulu 96013483730SMike Christie int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, 96113483730SMike Christie struct ddb_entry *ddb_entry, uint32_t state) 962afaf5a2dSDavid Somayajulu { 963b3a271a9SManish Rangankar uint32_t old_fw_ddb_device_state; 964b3a271a9SManish Rangankar int status = QLA_ERROR; 965afaf5a2dSDavid Somayajulu 966b3a271a9SManish Rangankar old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; 967b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 968b3a271a9SManish Rangankar "%s: DDB - old state = 0x%x, new state = 0x%x for " 969b3a271a9SManish Rangankar "index [%d]\n", __func__, 970afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); 971afaf5a2dSDavid Somayajulu 972afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_device_state = state; 973b3a271a9SManish Rangankar 974b3a271a9SManish Rangankar switch (old_fw_ddb_device_state) { 975b3a271a9SManish Rangankar case DDB_DS_LOGIN_IN_PROCESS: 976b3a271a9SManish Rangankar switch (state) { 977b3a271a9SManish Rangankar case DDB_DS_SESSION_ACTIVE: 978b3a271a9SManish Rangankar case DDB_DS_DISCOVERY: 979b3a271a9SManish Rangankar qla4xxx_update_session_conn_param(ha, ddb_entry); 9803d948e2aSManish Rangankar ddb_entry->unblock_sess(ddb_entry->sess); 981b3a271a9SManish Rangankar status = QLA_SUCCESS; 982b3a271a9SManish Rangankar break; 983b3a271a9SManish Rangankar case DDB_DS_SESSION_FAILED: 984b3a271a9SManish Rangankar case DDB_DS_NO_CONNECTION_ACTIVE: 985b3a271a9SManish Rangankar iscsi_conn_login_event(ddb_entry->conn, 986b3a271a9SManish Rangankar ISCSI_CONN_STATE_FREE); 987b3a271a9SManish Rangankar status = QLA_SUCCESS; 988b3a271a9SManish Rangankar break; 989b3a271a9SManish Rangankar } 990b3a271a9SManish Rangankar break; 991b3a271a9SManish Rangankar case DDB_DS_SESSION_ACTIVE: 9923d948e2aSManish Rangankar case DDB_DS_DISCOVERY: 993736cf369SManish Rangankar switch (state) { 994736cf369SManish Rangankar case DDB_DS_SESSION_FAILED: 995afaf5a2dSDavid Somayajulu /* 996b3a271a9SManish Rangankar * iscsi_session failure will cause userspace to 997b3a271a9SManish Rangankar * stop the connection which in turn would block the 998b3a271a9SManish Rangankar * iscsi_session and start relogin 999afaf5a2dSDavid Somayajulu */ 1000b3a271a9SManish Rangankar iscsi_session_failure(ddb_entry->sess->dd_data, 1001b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 1002b3a271a9SManish Rangankar status = QLA_SUCCESS; 1003736cf369SManish Rangankar break; 1004736cf369SManish Rangankar case DDB_DS_NO_CONNECTION_ACTIVE: 1005736cf369SManish Rangankar clear_bit(fw_ddb_index, ha->ddb_idx_map); 1006736cf369SManish Rangankar status = QLA_SUCCESS; 1007736cf369SManish Rangankar break; 1008b3a271a9SManish Rangankar } 1009b3a271a9SManish Rangankar break; 101098270ab4SManish Rangankar case DDB_DS_SESSION_FAILED: 101198270ab4SManish Rangankar switch (state) { 101298270ab4SManish Rangankar case DDB_DS_SESSION_ACTIVE: 101398270ab4SManish Rangankar case DDB_DS_DISCOVERY: 101413483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 101598270ab4SManish Rangankar qla4xxx_update_session_conn_param(ha, ddb_entry); 101698270ab4SManish Rangankar status = QLA_SUCCESS; 101798270ab4SManish Rangankar break; 101898270ab4SManish Rangankar case DDB_DS_SESSION_FAILED: 101998270ab4SManish Rangankar iscsi_session_failure(ddb_entry->sess->dd_data, 102098270ab4SManish Rangankar ISCSI_ERR_CONN_FAILED); 102198270ab4SManish Rangankar status = QLA_SUCCESS; 102298270ab4SManish Rangankar break; 102398270ab4SManish Rangankar } 102498270ab4SManish Rangankar break; 1025b3a271a9SManish Rangankar default: 1026b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", 1027b3a271a9SManish Rangankar __func__)); 1028b3a271a9SManish Rangankar break; 1029065aa1b4SVikas Chaudhary } 103013483730SMike Christie return status; 103113483730SMike Christie } 103213483730SMike Christie 103313483730SMike Christie void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry) 103413483730SMike Christie { 103513483730SMike Christie /* 103613483730SMike Christie * This triggers a relogin. After the relogin_timer 103713483730SMike Christie * expires, the relogin gets scheduled. We must wait a 103813483730SMike Christie * minimum amount of time since receiving an 0x8014 AEN 103913483730SMike Christie * with failed device_state or a logout response before 104013483730SMike Christie * we can issue another relogin. 104113483730SMike Christie * 104213483730SMike Christie * Firmware pads this timeout: (time2wait +1). 104313483730SMike Christie * Driver retry to login should be longer than F/W. 104413483730SMike Christie * Otherwise F/W will fail 104513483730SMike Christie * set_ddb() mbx cmd with 0x4005 since it still 104613483730SMike Christie * counting down its time2wait. 104713483730SMike Christie */ 104813483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 104913483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 105013483730SMike Christie ddb_entry->default_time2wait + 4); 105113483730SMike Christie 105213483730SMike Christie } 105313483730SMike Christie 105413483730SMike Christie int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, 105513483730SMike Christie struct ddb_entry *ddb_entry, uint32_t state) 105613483730SMike Christie { 105713483730SMike Christie uint32_t old_fw_ddb_device_state; 105813483730SMike Christie int status = QLA_ERROR; 105913483730SMike Christie 106013483730SMike Christie old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; 106113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 106213483730SMike Christie "%s: DDB - old state = 0x%x, new state = 0x%x for " 106313483730SMike Christie "index [%d]\n", __func__, 106413483730SMike Christie ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); 106513483730SMike Christie 106613483730SMike Christie ddb_entry->fw_ddb_device_state = state; 106713483730SMike Christie 106813483730SMike Christie switch (old_fw_ddb_device_state) { 106913483730SMike Christie case DDB_DS_LOGIN_IN_PROCESS: 107013483730SMike Christie case DDB_DS_NO_CONNECTION_ACTIVE: 107113483730SMike Christie switch (state) { 107213483730SMike Christie case DDB_DS_SESSION_ACTIVE: 107313483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 107413483730SMike Christie qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); 107513483730SMike Christie status = QLA_SUCCESS; 107613483730SMike Christie break; 107713483730SMike Christie case DDB_DS_SESSION_FAILED: 107813483730SMike Christie iscsi_block_session(ddb_entry->sess); 107913483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 108013483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 108113483730SMike Christie status = QLA_SUCCESS; 108213483730SMike Christie break; 108313483730SMike Christie } 108413483730SMike Christie break; 108513483730SMike Christie case DDB_DS_SESSION_ACTIVE: 108613483730SMike Christie switch (state) { 108713483730SMike Christie case DDB_DS_SESSION_FAILED: 108813483730SMike Christie iscsi_block_session(ddb_entry->sess); 108913483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 109013483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 109113483730SMike Christie status = QLA_SUCCESS; 109213483730SMike Christie break; 109313483730SMike Christie } 109413483730SMike Christie break; 109513483730SMike Christie case DDB_DS_SESSION_FAILED: 109613483730SMike Christie switch (state) { 109713483730SMike Christie case DDB_DS_SESSION_ACTIVE: 109813483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 109913483730SMike Christie qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); 110013483730SMike Christie status = QLA_SUCCESS; 110113483730SMike Christie break; 110213483730SMike Christie case DDB_DS_SESSION_FAILED: 110313483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 110413483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 110513483730SMike Christie status = QLA_SUCCESS; 110613483730SMike Christie break; 110713483730SMike Christie } 110813483730SMike Christie break; 110913483730SMike Christie default: 111013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", 111113483730SMike Christie __func__)); 111213483730SMike Christie break; 111313483730SMike Christie } 111413483730SMike Christie return status; 111513483730SMike Christie } 111613483730SMike Christie 111713483730SMike Christie /** 111813483730SMike Christie * qla4xxx_process_ddb_changed - process ddb state change 111913483730SMike Christie * @ha - Pointer to host adapter structure. 112013483730SMike Christie * @fw_ddb_index - Firmware's device database index 112113483730SMike Christie * @state - Device state 112213483730SMike Christie * 112313483730SMike Christie * This routine processes a Decive Database Changed AEN Event. 112413483730SMike Christie **/ 112513483730SMike Christie int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, 112613483730SMike Christie uint32_t fw_ddb_index, 112713483730SMike Christie uint32_t state, uint32_t conn_err) 112813483730SMike Christie { 112913483730SMike Christie struct ddb_entry *ddb_entry; 113013483730SMike Christie int status = QLA_ERROR; 113113483730SMike Christie 113213483730SMike Christie /* check for out of range index */ 113313483730SMike Christie if (fw_ddb_index >= MAX_DDB_ENTRIES) 113413483730SMike Christie goto exit_ddb_event; 113513483730SMike Christie 113613483730SMike Christie /* Get the corresponging ddb entry */ 113713483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); 113813483730SMike Christie /* Device does not currently exist in our database. */ 113913483730SMike Christie if (ddb_entry == NULL) { 114013483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n", 114113483730SMike Christie __func__, fw_ddb_index); 114213483730SMike Christie 114313483730SMike Christie if (state == DDB_DS_NO_CONNECTION_ACTIVE) 114413483730SMike Christie clear_bit(fw_ddb_index, ha->ddb_idx_map); 114513483730SMike Christie 114613483730SMike Christie goto exit_ddb_event; 114713483730SMike Christie } 114813483730SMike Christie 114913483730SMike Christie ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state); 1150065aa1b4SVikas Chaudhary 1151b3a271a9SManish Rangankar exit_ddb_event: 1152b3a271a9SManish Rangankar return status; 1153afaf5a2dSDavid Somayajulu } 115413483730SMike Christie 115513483730SMike Christie /** 115613483730SMike Christie * qla4xxx_login_flash_ddb - Login to target (DDB) 115713483730SMike Christie * @cls_session: Pointer to the session to login 115813483730SMike Christie * 115913483730SMike Christie * This routine logins to the target. 116013483730SMike Christie * Issues setddb and conn open mbx 116113483730SMike Christie **/ 116213483730SMike Christie void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session) 116313483730SMike Christie { 116413483730SMike Christie struct iscsi_session *sess; 116513483730SMike Christie struct ddb_entry *ddb_entry; 116613483730SMike Christie struct scsi_qla_host *ha; 116713483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 116813483730SMike Christie dma_addr_t fw_ddb_dma; 116913483730SMike Christie uint32_t mbx_sts = 0; 117013483730SMike Christie int ret; 117113483730SMike Christie 117213483730SMike Christie sess = cls_session->dd_data; 117313483730SMike Christie ddb_entry = sess->dd_data; 117413483730SMike Christie ha = ddb_entry->ha; 117513483730SMike Christie 117613483730SMike Christie if (!test_bit(AF_LINK_UP, &ha->flags)) 117713483730SMike Christie return; 117813483730SMike Christie 117913483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) { 118013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 118113483730SMike Christie "Skipping login to non FLASH DB")); 118213483730SMike Christie goto exit_login; 118313483730SMike Christie } 118413483730SMike Christie 118513483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 118613483730SMike Christie &fw_ddb_dma); 118713483730SMike Christie if (fw_ddb_entry == NULL) { 118813483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 118913483730SMike Christie goto exit_login; 119013483730SMike Christie } 119113483730SMike Christie 119213483730SMike Christie if (ddb_entry->fw_ddb_index == INVALID_ENTRY) { 119313483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index); 119413483730SMike Christie if (ret == QLA_ERROR) 119513483730SMike Christie goto exit_login; 119613483730SMike Christie 119713483730SMike Christie ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 119813483730SMike Christie ha->tot_ddbs++; 119913483730SMike Christie } 120013483730SMike Christie 120113483730SMike Christie memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry, 120213483730SMike Christie sizeof(struct dev_db_entry)); 120313483730SMike Christie ddb_entry->sess->target_id = ddb_entry->fw_ddb_index; 120413483730SMike Christie 120513483730SMike Christie ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 120613483730SMike Christie fw_ddb_dma, &mbx_sts); 120713483730SMike Christie if (ret == QLA_ERROR) { 120813483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n")); 120913483730SMike Christie goto exit_login; 121013483730SMike Christie } 121113483730SMike Christie 121213483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 121313483730SMike Christie ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 121413483730SMike Christie if (ret == QLA_ERROR) { 121513483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 121613483730SMike Christie sess->targetname); 121713483730SMike Christie goto exit_login; 121813483730SMike Christie } 121913483730SMike Christie 122013483730SMike Christie exit_login: 122113483730SMike Christie if (fw_ddb_entry) 122213483730SMike Christie dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 122313483730SMike Christie } 122413483730SMike Christie 1225