1afaf5a2dSDavid Somayajulu /* 2afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 34a4f51e9SVikas Chaudhary * Copyright (c) 2003-2013 QLogic Corporation 4afaf5a2dSDavid Somayajulu * 5afaf5a2dSDavid Somayajulu * See LICENSE.qla4xxx for copyright and licensing details. 6afaf5a2dSDavid Somayajulu */ 7afaf5a2dSDavid Somayajulu 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, 1057664a1fdSVikas Chaudhary (unsigned long __iomem *)&ha->qla4_82xx_reg->req_q_out); 106f4f5df23SVikas Chaudhary writel(0, 1077664a1fdSVikas Chaudhary (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_in); 108f4f5df23SVikas Chaudhary writel(0, 1097664a1fdSVikas Chaudhary (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_out); 110b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 1116e7b4292SVikas Chaudhary writel(0, 1126e7b4292SVikas Chaudhary (unsigned long __iomem *)&ha->qla4_83xx_reg->req_q_in); 1136e7b4292SVikas Chaudhary writel(0, 1146e7b4292SVikas Chaudhary (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_in); 1156e7b4292SVikas Chaudhary writel(0, 1166e7b4292SVikas Chaudhary (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_out); 117f4f5df23SVikas Chaudhary } else { 118afaf5a2dSDavid Somayajulu /* 119f4f5df23SVikas Chaudhary * Initialize DMA Shadow registers. The firmware is really 120f4f5df23SVikas Chaudhary * supposed to take care of this, but on some uniprocessor 121f4f5df23SVikas Chaudhary * systems, the shadow registers aren't cleared-- causing 122f4f5df23SVikas Chaudhary * the interrupt_handler to think there are responses to be 123f4f5df23SVikas Chaudhary * processed when there aren't. 124afaf5a2dSDavid Somayajulu */ 125afaf5a2dSDavid Somayajulu ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0); 126afaf5a2dSDavid Somayajulu ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0); 127afaf5a2dSDavid Somayajulu wmb(); 128afaf5a2dSDavid Somayajulu 129afaf5a2dSDavid Somayajulu writel(0, &ha->reg->req_q_in); 130afaf5a2dSDavid Somayajulu writel(0, &ha->reg->rsp_q_out); 131afaf5a2dSDavid Somayajulu readl(&ha->reg->rsp_q_out); 132f4f5df23SVikas Chaudhary } 133f4f5df23SVikas Chaudhary 134f4f5df23SVikas Chaudhary qla4xxx_init_response_q_entries(ha); 135afaf5a2dSDavid Somayajulu 13618e2df93SVikas Chaudhary /* Initialize mailbox active array */ 137c0b9d3f7SVikas Chaudhary for (i = 0; i < MAX_MRB; i++) 138c0b9d3f7SVikas Chaudhary ha->active_mrb_array[i] = NULL; 139c0b9d3f7SVikas Chaudhary 140afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 141afaf5a2dSDavid Somayajulu 142afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 143afaf5a2dSDavid Somayajulu } 144afaf5a2dSDavid Somayajulu 145afaf5a2dSDavid Somayajulu /** 146f4f5df23SVikas Chaudhary * qla4xxx_get_sys_info - validate adapter MAC address(es) 147afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 148afaf5a2dSDavid Somayajulu * 149afaf5a2dSDavid Somayajulu **/ 150f4f5df23SVikas Chaudhary int qla4xxx_get_sys_info(struct scsi_qla_host *ha) 151afaf5a2dSDavid Somayajulu { 152afaf5a2dSDavid Somayajulu struct flash_sys_info *sys_info; 153afaf5a2dSDavid Somayajulu dma_addr_t sys_info_dma; 154afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 155afaf5a2dSDavid Somayajulu 156afaf5a2dSDavid Somayajulu sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info), 157afaf5a2dSDavid Somayajulu &sys_info_dma, GFP_KERNEL); 158afaf5a2dSDavid Somayajulu if (sys_info == NULL) { 159afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", 160afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 161afaf5a2dSDavid Somayajulu 162f4f5df23SVikas Chaudhary goto exit_get_sys_info_no_free; 163afaf5a2dSDavid Somayajulu } 164afaf5a2dSDavid Somayajulu memset(sys_info, 0, sizeof(*sys_info)); 165afaf5a2dSDavid Somayajulu 166afaf5a2dSDavid Somayajulu /* Get flash sys info */ 167afaf5a2dSDavid Somayajulu if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO, 168afaf5a2dSDavid Somayajulu sizeof(*sys_info)) != QLA_SUCCESS) { 169afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO " 170afaf5a2dSDavid Somayajulu "failed\n", ha->host_no, __func__)); 171afaf5a2dSDavid Somayajulu 172f4f5df23SVikas Chaudhary goto exit_get_sys_info; 173afaf5a2dSDavid Somayajulu } 174afaf5a2dSDavid Somayajulu 175afaf5a2dSDavid Somayajulu /* Save M.A.C. address & serial_number */ 176afaf5a2dSDavid Somayajulu memcpy(ha->my_mac, &sys_info->physAddr[0].address[0], 177afaf5a2dSDavid Somayajulu min(sizeof(ha->my_mac), 178afaf5a2dSDavid Somayajulu sizeof(sys_info->physAddr[0].address))); 179afaf5a2dSDavid Somayajulu memcpy(ha->serial_number, &sys_info->acSerialNumber, 180afaf5a2dSDavid Somayajulu min(sizeof(ha->serial_number), 181afaf5a2dSDavid Somayajulu sizeof(sys_info->acSerialNumber))); 182afaf5a2dSDavid Somayajulu 183afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 184afaf5a2dSDavid Somayajulu 185f4f5df23SVikas Chaudhary exit_get_sys_info: 186afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info, 187afaf5a2dSDavid Somayajulu sys_info_dma); 188afaf5a2dSDavid Somayajulu 189f4f5df23SVikas Chaudhary exit_get_sys_info_no_free: 190afaf5a2dSDavid Somayajulu return status; 191afaf5a2dSDavid Somayajulu } 192afaf5a2dSDavid Somayajulu 193afaf5a2dSDavid Somayajulu /** 194afaf5a2dSDavid Somayajulu * qla4xxx_init_local_data - initialize adapter specific local data 195afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 196afaf5a2dSDavid Somayajulu * 197afaf5a2dSDavid Somayajulu **/ 198ff4108dcSKaren Higgins static void qla4xxx_init_local_data(struct scsi_qla_host *ha) 199afaf5a2dSDavid Somayajulu { 200421f91d2SUwe Kleine-König /* Initialize aen queue */ 201afaf5a2dSDavid Somayajulu ha->aen_q_count = MAX_AEN_ENTRIES; 202afaf5a2dSDavid Somayajulu } 203afaf5a2dSDavid Somayajulu 2042a49a78eSVikas Chaudhary static uint8_t 2052a49a78eSVikas Chaudhary qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha) 2062a49a78eSVikas Chaudhary { 2072a49a78eSVikas Chaudhary uint8_t ipv4_wait = 0; 2082a49a78eSVikas Chaudhary uint8_t ipv6_wait = 0; 2092a49a78eSVikas Chaudhary int8_t ip_address[IPv6_ADDR_LEN] = {0} ; 2102a49a78eSVikas Chaudhary 2112a49a78eSVikas Chaudhary /* If both IPv4 & IPv6 are enabled, possibly only one 2122a49a78eSVikas Chaudhary * IP address may be acquired, so check to see if we 2132a49a78eSVikas Chaudhary * need to wait for another */ 2142a49a78eSVikas Chaudhary if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) { 2152a49a78eSVikas Chaudhary if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) && 2162a49a78eSVikas Chaudhary ((ha->addl_fw_state & 2172a49a78eSVikas Chaudhary FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) { 2182a49a78eSVikas Chaudhary ipv4_wait = 1; 2192a49a78eSVikas Chaudhary } 2202bab08fcSVikas Chaudhary if (((ha->ip_config.ipv6_addl_options & 2212a49a78eSVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) && 2222bab08fcSVikas Chaudhary ((ha->ip_config.ipv6_link_local_state == 2232bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) || 2242bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr0_state == 2252bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) || 2262bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr1_state == 2272bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING))) { 2282a49a78eSVikas Chaudhary 2292a49a78eSVikas Chaudhary ipv6_wait = 1; 2302a49a78eSVikas Chaudhary 2312bab08fcSVikas Chaudhary if ((ha->ip_config.ipv6_link_local_state == 2322a49a78eSVikas Chaudhary IP_ADDRSTATE_PREFERRED) || 2332bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr0_state == 2342bab08fcSVikas Chaudhary IP_ADDRSTATE_PREFERRED) || 2352bab08fcSVikas Chaudhary (ha->ip_config.ipv6_addr1_state == 2362bab08fcSVikas Chaudhary IP_ADDRSTATE_PREFERRED)) { 2372a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 2382a49a78eSVikas Chaudhary "Preferred IP configured." 2392a49a78eSVikas Chaudhary " Don't wait!\n", ha->host_no, 2402a49a78eSVikas Chaudhary __func__)); 2412a49a78eSVikas Chaudhary ipv6_wait = 0; 2422a49a78eSVikas Chaudhary } 2432bab08fcSVikas Chaudhary if (memcmp(&ha->ip_config.ipv6_default_router_addr, 2442bab08fcSVikas Chaudhary ip_address, IPv6_ADDR_LEN) == 0) { 2452a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 2462a49a78eSVikas Chaudhary "No Router configured. " 2472a49a78eSVikas Chaudhary "Don't wait!\n", ha->host_no, 2482a49a78eSVikas Chaudhary __func__)); 2492a49a78eSVikas Chaudhary ipv6_wait = 0; 2502a49a78eSVikas Chaudhary } 2512bab08fcSVikas Chaudhary if ((ha->ip_config.ipv6_default_router_state == 2522a49a78eSVikas Chaudhary IPV6_RTRSTATE_MANUAL) && 2532bab08fcSVikas Chaudhary (ha->ip_config.ipv6_link_local_state == 2542a49a78eSVikas Chaudhary IP_ADDRSTATE_TENTATIVE) && 2552bab08fcSVikas Chaudhary (memcmp(&ha->ip_config.ipv6_link_local_addr, 2562bab08fcSVikas Chaudhary &ha->ip_config.ipv6_default_router_addr, 4) == 2572bab08fcSVikas Chaudhary 0)) { 2582a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: LinkLocal Router & " 2592a49a78eSVikas Chaudhary "IP configured. Don't wait!\n", 2602a49a78eSVikas Chaudhary ha->host_no, __func__)); 2612a49a78eSVikas Chaudhary ipv6_wait = 0; 2622a49a78eSVikas Chaudhary } 2632a49a78eSVikas Chaudhary } 2642a49a78eSVikas Chaudhary if (ipv4_wait || ipv6_wait) { 2652a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Wait for additional " 2662a49a78eSVikas Chaudhary "IP(s) \"", ha->host_no, __func__)); 2672a49a78eSVikas Chaudhary if (ipv4_wait) 2682a49a78eSVikas Chaudhary DEBUG2(printk("IPv4 ")); 2692bab08fcSVikas Chaudhary if (ha->ip_config.ipv6_link_local_state == 2702bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) 2712a49a78eSVikas Chaudhary DEBUG2(printk("IPv6LinkLocal ")); 2722bab08fcSVikas Chaudhary if (ha->ip_config.ipv6_addr0_state == 2732bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) 2742a49a78eSVikas Chaudhary DEBUG2(printk("IPv6Addr0 ")); 2752bab08fcSVikas Chaudhary if (ha->ip_config.ipv6_addr1_state == 2762bab08fcSVikas Chaudhary IP_ADDRSTATE_ACQUIRING) 2772a49a78eSVikas Chaudhary DEBUG2(printk("IPv6Addr1 ")); 2782a49a78eSVikas Chaudhary DEBUG2(printk("\"\n")); 2792a49a78eSVikas Chaudhary } 2802a49a78eSVikas Chaudhary } 2812a49a78eSVikas Chaudhary 2822a49a78eSVikas Chaudhary return ipv4_wait|ipv6_wait; 2832a49a78eSVikas Chaudhary } 2842a49a78eSVikas Chaudhary 285b410982cSTej Parkash static int qla4_80xx_is_minidump_dma_capable(struct scsi_qla_host *ha, 286b410982cSTej Parkash struct qla4_8xxx_minidump_template_hdr *md_hdr) 287b410982cSTej Parkash { 288b410982cSTej Parkash int offset = (is_qla8022(ha)) ? QLA8022_TEMPLATE_CAP_OFFSET : 289b410982cSTej Parkash QLA83XX_TEMPLATE_CAP_OFFSET; 290b410982cSTej Parkash int rval = 1; 291b410982cSTej Parkash uint32_t *cap_offset; 292b410982cSTej Parkash 293b410982cSTej Parkash cap_offset = (uint32_t *)((char *)md_hdr + offset); 294b410982cSTej Parkash 295b410982cSTej Parkash if (!(le32_to_cpu(*cap_offset) & BIT_0)) { 296b410982cSTej Parkash ql4_printk(KERN_INFO, ha, "PEX DMA Not supported %d\n", 297b410982cSTej Parkash *cap_offset); 298b410982cSTej Parkash rval = 0; 299b410982cSTej Parkash } 300b410982cSTej Parkash 301b410982cSTej Parkash return rval; 302b410982cSTej Parkash } 303b410982cSTej Parkash 304068237c8STej Parkash /** 305068237c8STej Parkash * qla4xxx_alloc_fw_dump - Allocate memory for minidump data. 306068237c8STej Parkash * @ha: pointer to host adapter structure. 307068237c8STej Parkash **/ 308068237c8STej Parkash void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha) 309068237c8STej Parkash { 310068237c8STej Parkash int status; 311068237c8STej Parkash uint32_t capture_debug_level; 312068237c8STej Parkash int hdr_entry_bit, k; 313068237c8STej Parkash void *md_tmp; 314068237c8STej Parkash dma_addr_t md_tmp_dma; 315068237c8STej Parkash struct qla4_8xxx_minidump_template_hdr *md_hdr; 316b410982cSTej Parkash int dma_capable; 317068237c8STej Parkash 318068237c8STej Parkash if (ha->fw_dump) { 319068237c8STej Parkash ql4_printk(KERN_WARNING, ha, 320068237c8STej Parkash "Firmware dump previously allocated.\n"); 321068237c8STej Parkash return; 322068237c8STej Parkash } 323068237c8STej Parkash 324068237c8STej Parkash status = qla4xxx_req_template_size(ha); 325068237c8STej Parkash if (status != QLA_SUCCESS) { 326068237c8STej Parkash ql4_printk(KERN_INFO, ha, 327068237c8STej Parkash "scsi%ld: Failed to get template size\n", 328068237c8STej Parkash ha->host_no); 329068237c8STej Parkash return; 330068237c8STej Parkash } 331068237c8STej Parkash 332068237c8STej Parkash clear_bit(AF_82XX_FW_DUMPED, &ha->flags); 333068237c8STej Parkash 334068237c8STej Parkash /* Allocate memory for saving the template */ 335068237c8STej Parkash md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, 336068237c8STej Parkash &md_tmp_dma, GFP_KERNEL); 337a5c277ecSMaurizio Lombardi if (!md_tmp) { 338a5c277ecSMaurizio Lombardi ql4_printk(KERN_INFO, ha, 339a5c277ecSMaurizio Lombardi "scsi%ld: Failed to allocate DMA memory\n", 340a5c277ecSMaurizio Lombardi ha->host_no); 341a5c277ecSMaurizio Lombardi return; 342a5c277ecSMaurizio Lombardi } 343068237c8STej Parkash 344068237c8STej Parkash /* Request template */ 345068237c8STej Parkash status = qla4xxx_get_minidump_template(ha, md_tmp_dma); 346068237c8STej Parkash if (status != QLA_SUCCESS) { 347068237c8STej Parkash ql4_printk(KERN_INFO, ha, 348068237c8STej Parkash "scsi%ld: Failed to get minidump template\n", 349068237c8STej Parkash ha->host_no); 350068237c8STej Parkash goto alloc_cleanup; 351068237c8STej Parkash } 352068237c8STej Parkash 353068237c8STej Parkash md_hdr = (struct qla4_8xxx_minidump_template_hdr *)md_tmp; 354068237c8STej Parkash 355b410982cSTej Parkash dma_capable = qla4_80xx_is_minidump_dma_capable(ha, md_hdr); 356b410982cSTej Parkash 357068237c8STej Parkash capture_debug_level = md_hdr->capture_debug_level; 358068237c8STej Parkash 359068237c8STej Parkash /* Get capture mask based on module loadtime setting. */ 360b410982cSTej Parkash if ((ql4xmdcapmask >= 0x3 && ql4xmdcapmask <= 0x7F) || 361b410982cSTej Parkash (ql4xmdcapmask == 0xFF && dma_capable)) { 362068237c8STej Parkash ha->fw_dump_capture_mask = ql4xmdcapmask; 363b410982cSTej Parkash } else { 364b410982cSTej Parkash if (ql4xmdcapmask == 0xFF) 365b410982cSTej Parkash ql4_printk(KERN_INFO, ha, "Falling back to default capture mask, as PEX DMA is not supported\n"); 366068237c8STej Parkash ha->fw_dump_capture_mask = capture_debug_level; 367b410982cSTej Parkash } 368068237c8STej Parkash 369068237c8STej Parkash md_hdr->driver_capture_mask = ha->fw_dump_capture_mask; 370068237c8STej Parkash 371068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, "Minimum num of entries = %d\n", 372068237c8STej Parkash md_hdr->num_of_entries)); 373068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, "Dump template size = %d\n", 374068237c8STej Parkash ha->fw_dump_tmplt_size)); 375068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, "Selected Capture mask =0x%x\n", 376068237c8STej Parkash ha->fw_dump_capture_mask)); 377068237c8STej Parkash 378068237c8STej Parkash /* Calculate fw_dump_size */ 379068237c8STej Parkash for (hdr_entry_bit = 0x2, k = 1; (hdr_entry_bit & 0xFF); 380068237c8STej Parkash hdr_entry_bit <<= 1, k++) { 381068237c8STej Parkash if (hdr_entry_bit & ha->fw_dump_capture_mask) 382068237c8STej Parkash ha->fw_dump_size += md_hdr->capture_size_array[k]; 383068237c8STej Parkash } 384068237c8STej Parkash 385068237c8STej Parkash /* Total firmware dump size including command header */ 386068237c8STej Parkash ha->fw_dump_size += ha->fw_dump_tmplt_size; 387068237c8STej Parkash ha->fw_dump = vmalloc(ha->fw_dump_size); 388068237c8STej Parkash if (!ha->fw_dump) 389068237c8STej Parkash goto alloc_cleanup; 390068237c8STej Parkash 391068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 392068237c8STej Parkash "Minidump Tempalate Size = 0x%x KB\n", 393068237c8STej Parkash ha->fw_dump_tmplt_size)); 394068237c8STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 395068237c8STej Parkash "Total Minidump size = 0x%x KB\n", ha->fw_dump_size)); 396068237c8STej Parkash 397068237c8STej Parkash memcpy(ha->fw_dump, md_tmp, ha->fw_dump_tmplt_size); 398068237c8STej Parkash ha->fw_dump_tmplt_hdr = ha->fw_dump; 399068237c8STej Parkash 400068237c8STej Parkash alloc_cleanup: 401068237c8STej Parkash dma_free_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, 402068237c8STej Parkash md_tmp, md_tmp_dma); 403068237c8STej Parkash } 404068237c8STej Parkash 405afaf5a2dSDavid Somayajulu static int qla4xxx_fw_ready(struct scsi_qla_host *ha) 406afaf5a2dSDavid Somayajulu { 407afaf5a2dSDavid Somayajulu uint32_t timeout_count; 408afaf5a2dSDavid Somayajulu int ready = 0; 409afaf5a2dSDavid Somayajulu 410c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n")); 411afaf5a2dSDavid Somayajulu for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0; 412afaf5a2dSDavid Somayajulu timeout_count--) { 413afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 414afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 415afaf5a2dSDavid Somayajulu 416afaf5a2dSDavid Somayajulu /* Get firmware state. */ 417afaf5a2dSDavid Somayajulu if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) { 418afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: unable to get firmware " 419afaf5a2dSDavid Somayajulu "state\n", ha->host_no, __func__)); 420afaf5a2dSDavid Somayajulu break; 421afaf5a2dSDavid Somayajulu } 422afaf5a2dSDavid Somayajulu 423afaf5a2dSDavid Somayajulu if (ha->firmware_state & FW_STATE_ERROR) { 424afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: an unrecoverable error has" 425afaf5a2dSDavid Somayajulu " occurred\n", ha->host_no, __func__)); 426afaf5a2dSDavid Somayajulu break; 427afaf5a2dSDavid Somayajulu 428afaf5a2dSDavid Somayajulu } 429afaf5a2dSDavid Somayajulu if (ha->firmware_state & FW_STATE_CONFIG_WAIT) { 430afaf5a2dSDavid Somayajulu /* 431afaf5a2dSDavid Somayajulu * The firmware has not yet been issued an Initialize 432afaf5a2dSDavid Somayajulu * Firmware command, so issue it now. 433afaf5a2dSDavid Somayajulu */ 434afaf5a2dSDavid Somayajulu if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) 435afaf5a2dSDavid Somayajulu break; 436afaf5a2dSDavid Somayajulu 437afaf5a2dSDavid Somayajulu /* Go back and test for ready state - no wait. */ 438afaf5a2dSDavid Somayajulu continue; 439afaf5a2dSDavid Somayajulu } 440afaf5a2dSDavid Somayajulu 4412a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { 4422a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" 4432a49a78eSVikas Chaudhary "AUTOCONNECT in progress\n", 4442a49a78eSVikas Chaudhary ha->host_no, __func__)); 4452a49a78eSVikas Chaudhary } 4462a49a78eSVikas Chaudhary 4472a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { 4482a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" 4492a49a78eSVikas Chaudhary " CONFIGURING IP\n", 4502a49a78eSVikas Chaudhary ha->host_no, __func__)); 4512a49a78eSVikas Chaudhary /* 4522a49a78eSVikas Chaudhary * Check for link state after 15 secs and if link is 4532a49a78eSVikas Chaudhary * still DOWN then, cable is unplugged. Ignore "DHCP 4542a49a78eSVikas Chaudhary * in Progress/CONFIGURING IP" bit to check if firmware 4552a49a78eSVikas Chaudhary * is in ready state or not after 15 secs. 4562a49a78eSVikas Chaudhary * This is applicable for both 2.x & 3.x firmware 4572a49a78eSVikas Chaudhary */ 4582a49a78eSVikas Chaudhary if (timeout_count <= (ADAPTER_INIT_TOV - 15)) { 4592a49a78eSVikas Chaudhary if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) { 4602a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s:" 4612a49a78eSVikas Chaudhary " LINK UP (Cable plugged)\n", 4622a49a78eSVikas Chaudhary ha->host_no, __func__)); 4632a49a78eSVikas Chaudhary } else if (ha->firmware_state & 4642a49a78eSVikas Chaudhary (FW_STATE_CONFIGURING_IP | 4652a49a78eSVikas Chaudhary FW_STATE_READY)) { 4662a49a78eSVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: " 4672a49a78eSVikas Chaudhary "LINK DOWN (Cable unplugged)\n", 4682a49a78eSVikas Chaudhary ha->host_no, __func__)); 4692a49a78eSVikas Chaudhary ha->firmware_state = FW_STATE_READY; 4702a49a78eSVikas Chaudhary } 4712a49a78eSVikas Chaudhary } 4722a49a78eSVikas Chaudhary } 4732a49a78eSVikas Chaudhary 474afaf5a2dSDavid Somayajulu if (ha->firmware_state == FW_STATE_READY) { 4752a49a78eSVikas Chaudhary /* If DHCP IP Addr is available, retrieve it now. */ 4762a49a78eSVikas Chaudhary if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, 4772a49a78eSVikas Chaudhary &ha->dpc_flags)) 4782a49a78eSVikas Chaudhary qla4xxx_get_dhcp_ip_address(ha); 4792a49a78eSVikas Chaudhary 4802a49a78eSVikas Chaudhary if (!qla4xxx_wait_for_ip_config(ha) || 4812a49a78eSVikas Chaudhary timeout_count == 1) { 482c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4832a49a78eSVikas Chaudhary "Firmware Ready..\n")); 4842a49a78eSVikas Chaudhary /* The firmware is ready to process SCSI 4852a49a78eSVikas Chaudhary commands. */ 486c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4872a49a78eSVikas Chaudhary "scsi%ld: %s: MEDIA TYPE" 4882a49a78eSVikas Chaudhary " - %s\n", ha->host_no, 489afaf5a2dSDavid Somayajulu __func__, (ha->addl_fw_state & 490afaf5a2dSDavid Somayajulu FW_ADDSTATE_OPTICAL_MEDIA) 491afaf5a2dSDavid Somayajulu != 0 ? "OPTICAL" : "COPPER")); 492c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4932a49a78eSVikas Chaudhary "scsi%ld: %s: DHCPv4 STATE" 4942a49a78eSVikas Chaudhary " Enabled %s\n", ha->host_no, 4952a49a78eSVikas Chaudhary __func__, (ha->addl_fw_state & 4962a49a78eSVikas Chaudhary FW_ADDSTATE_DHCPv4_ENABLED) != 0 ? 497afaf5a2dSDavid Somayajulu "YES" : "NO")); 498c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 499afaf5a2dSDavid Somayajulu "scsi%ld: %s: LINK %s\n", 500afaf5a2dSDavid Somayajulu ha->host_no, __func__, 501afaf5a2dSDavid Somayajulu (ha->addl_fw_state & 502afaf5a2dSDavid Somayajulu FW_ADDSTATE_LINK_UP) != 0 ? 503afaf5a2dSDavid Somayajulu "UP" : "DOWN")); 504c2660df3SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 505afaf5a2dSDavid Somayajulu "scsi%ld: %s: iSNS Service " 506afaf5a2dSDavid Somayajulu "Started %s\n", 507afaf5a2dSDavid Somayajulu ha->host_no, __func__, 508afaf5a2dSDavid Somayajulu (ha->addl_fw_state & 509afaf5a2dSDavid Somayajulu FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ? 510afaf5a2dSDavid Somayajulu "YES" : "NO")); 511afaf5a2dSDavid Somayajulu 512afaf5a2dSDavid Somayajulu ready = 1; 513afaf5a2dSDavid Somayajulu break; 514afaf5a2dSDavid Somayajulu } 5152a49a78eSVikas Chaudhary } 516afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - " 517afaf5a2dSDavid Somayajulu "seconds expired= %d\n", ha->host_no, __func__, 518afaf5a2dSDavid Somayajulu ha->firmware_state, ha->addl_fw_state, 519afaf5a2dSDavid Somayajulu timeout_count)); 520d915058fSDavid C Somayajulu if (is_qla4032(ha) && 521d915058fSDavid C Somayajulu !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) && 522d915058fSDavid C Somayajulu (timeout_count < ADAPTER_INIT_TOV - 5)) { 523d915058fSDavid C Somayajulu break; 524d915058fSDavid C Somayajulu } 525d915058fSDavid C Somayajulu 526afaf5a2dSDavid Somayajulu msleep(1000); 527afaf5a2dSDavid Somayajulu } /* end of for */ 528afaf5a2dSDavid Somayajulu 5292a49a78eSVikas Chaudhary if (timeout_count <= 0) 530afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n", 531afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 532afaf5a2dSDavid Somayajulu 5332a49a78eSVikas Chaudhary if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { 5342a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting " 5352a49a78eSVikas Chaudhary "it's waiting to configure an IP address\n", 536afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 537afaf5a2dSDavid Somayajulu ready = 1; 5382a49a78eSVikas Chaudhary } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { 5392a49a78eSVikas Chaudhary DEBUG2(printk("scsi%ld: %s: FW initialized, but " 5402a49a78eSVikas Chaudhary "auto-discovery still in process\n", 5412a49a78eSVikas Chaudhary ha->host_no, __func__)); 542b966346cSVikas Chaudhary ready = 1; 543afaf5a2dSDavid Somayajulu } 544afaf5a2dSDavid Somayajulu 545afaf5a2dSDavid Somayajulu return ready; 546afaf5a2dSDavid Somayajulu } 547afaf5a2dSDavid Somayajulu 548afaf5a2dSDavid Somayajulu /** 549afaf5a2dSDavid Somayajulu * qla4xxx_init_firmware - initializes the firmware. 550afaf5a2dSDavid Somayajulu * @ha: pointer to host adapter structure. 551afaf5a2dSDavid Somayajulu * 552afaf5a2dSDavid Somayajulu **/ 553afaf5a2dSDavid Somayajulu static int qla4xxx_init_firmware(struct scsi_qla_host *ha) 554afaf5a2dSDavid Somayajulu { 555afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 556afaf5a2dSDavid Somayajulu 5572232be0dSLalit Chandivade if (is_aer_supported(ha) && 5582232be0dSLalit Chandivade test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 5592232be0dSLalit Chandivade return status; 5602232be0dSLalit Chandivade 5619d4946f8SLalit Chandivade /* For 82xx, stop firmware before initializing because if BIOS 5629d4946f8SLalit Chandivade * has previously initialized firmware, then driver's initialize 5639d4946f8SLalit Chandivade * firmware will fail. */ 5646e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 5659d4946f8SLalit Chandivade qla4_8xxx_stop_firmware(ha); 5669d4946f8SLalit Chandivade 567c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Initializing firmware..\n"); 568afaf5a2dSDavid Somayajulu if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) { 569afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware " 570afaf5a2dSDavid Somayajulu "control block\n", ha->host_no, __func__)); 571afaf5a2dSDavid Somayajulu return status; 572afaf5a2dSDavid Somayajulu } 573068237c8STej Parkash 574afaf5a2dSDavid Somayajulu if (!qla4xxx_fw_ready(ha)) 575afaf5a2dSDavid Somayajulu return status; 576afaf5a2dSDavid Somayajulu 5776e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !test_bit(AF_INIT_DONE, &ha->flags)) 578068237c8STej Parkash qla4xxx_alloc_fw_dump(ha); 579068237c8STej Parkash 580afaf5a2dSDavid Somayajulu return qla4xxx_get_firmware_status(ha); 581afaf5a2dSDavid Somayajulu } 582afaf5a2dSDavid Somayajulu 58391ec7cecSVikas Chaudhary static void qla4xxx_set_model_info(struct scsi_qla_host *ha) 58491ec7cecSVikas Chaudhary { 58591ec7cecSVikas Chaudhary uint16_t board_id_string[8]; 58691ec7cecSVikas Chaudhary int i; 58791ec7cecSVikas Chaudhary int size = sizeof(ha->nvram->isp4022.boardIdStr); 58891ec7cecSVikas Chaudhary int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2; 58991ec7cecSVikas Chaudhary 59091ec7cecSVikas Chaudhary for (i = 0; i < (size / 2) ; i++) { 59191ec7cecSVikas Chaudhary board_id_string[i] = rd_nvram_word(ha, offset); 59291ec7cecSVikas Chaudhary offset += 1; 59391ec7cecSVikas Chaudhary } 59491ec7cecSVikas Chaudhary 59591ec7cecSVikas Chaudhary memcpy(ha->model_name, board_id_string, size); 59691ec7cecSVikas Chaudhary } 59791ec7cecSVikas Chaudhary 598afaf5a2dSDavid Somayajulu static int qla4xxx_config_nvram(struct scsi_qla_host *ha) 599afaf5a2dSDavid Somayajulu { 600afaf5a2dSDavid Somayajulu unsigned long flags; 601afaf5a2dSDavid Somayajulu union external_hw_config_reg extHwConfig; 602afaf5a2dSDavid Somayajulu 603afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no, 604afaf5a2dSDavid Somayajulu __func__)); 605afaf5a2dSDavid Somayajulu if (ql4xxx_lock_flash(ha) != QLA_SUCCESS) 606b3925514SMike Christie return QLA_ERROR; 607afaf5a2dSDavid Somayajulu if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) { 608afaf5a2dSDavid Somayajulu ql4xxx_unlock_flash(ha); 609b3925514SMike Christie return QLA_ERROR; 610afaf5a2dSDavid Somayajulu } 611afaf5a2dSDavid Somayajulu 612afaf5a2dSDavid Somayajulu /* Get EEPRom Parameters from NVRAM and validate */ 613c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n"); 614afaf5a2dSDavid Somayajulu if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) { 615afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 616afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 617afaf5a2dSDavid Somayajulu rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha)); 618afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 619afaf5a2dSDavid Somayajulu } else { 620c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 621afaf5a2dSDavid Somayajulu "scsi%ld: %s: EEProm checksum invalid. " 622afaf5a2dSDavid Somayajulu "Please update your EEPROM\n", ha->host_no, 623afaf5a2dSDavid Somayajulu __func__); 624afaf5a2dSDavid Somayajulu 625b3925514SMike Christie /* Attempt to set defaults */ 626afaf5a2dSDavid Somayajulu if (is_qla4010(ha)) 627afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 0x1912; 628d915058fSDavid C Somayajulu else if (is_qla4022(ha) | is_qla4032(ha)) 629afaf5a2dSDavid Somayajulu extHwConfig.Asuint32_t = 0x0023; 630b3925514SMike Christie else 631b3925514SMike Christie return QLA_ERROR; 632afaf5a2dSDavid Somayajulu } 63391ec7cecSVikas Chaudhary 63491ec7cecSVikas Chaudhary if (is_qla4022(ha) || is_qla4032(ha)) 63591ec7cecSVikas Chaudhary qla4xxx_set_model_info(ha); 63691ec7cecSVikas Chaudhary else 63791ec7cecSVikas Chaudhary strcpy(ha->model_name, "QLA4010"); 63891ec7cecSVikas Chaudhary 639afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", 640afaf5a2dSDavid Somayajulu ha->host_no, __func__, extHwConfig.Asuint32_t)); 641afaf5a2dSDavid Somayajulu 642afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 643afaf5a2dSDavid Somayajulu writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha)); 644afaf5a2dSDavid Somayajulu readl(isp_ext_hw_conf(ha)); 645afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 646afaf5a2dSDavid Somayajulu 647afaf5a2dSDavid Somayajulu ql4xxx_unlock_nvram(ha); 648afaf5a2dSDavid Somayajulu ql4xxx_unlock_flash(ha); 649afaf5a2dSDavid Somayajulu 650b3925514SMike Christie return QLA_SUCCESS; 651afaf5a2dSDavid Somayajulu } 652afaf5a2dSDavid Somayajulu 653f4f5df23SVikas Chaudhary /** 654f4f5df23SVikas Chaudhary * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers. 655f4f5df23SVikas Chaudhary * @ha: HA context 656f4f5df23SVikas Chaudhary */ 657f4f5df23SVikas Chaudhary void qla4_8xxx_pci_config(struct scsi_qla_host *ha) 658f4f5df23SVikas Chaudhary { 659f4f5df23SVikas Chaudhary pci_set_master(ha->pdev); 660f4f5df23SVikas Chaudhary } 661f4f5df23SVikas Chaudhary 662f4f5df23SVikas Chaudhary void qla4xxx_pci_config(struct scsi_qla_host *ha) 663afaf5a2dSDavid Somayajulu { 66492b72736SDavid C Somayajulu uint16_t w; 66546235e60SDavid C Somayajulu int status; 666afaf5a2dSDavid Somayajulu 667c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 668afaf5a2dSDavid Somayajulu 669afaf5a2dSDavid Somayajulu pci_set_master(ha->pdev); 67046235e60SDavid C Somayajulu status = pci_set_mwi(ha->pdev); 671afaf5a2dSDavid Somayajulu /* 672afaf5a2dSDavid Somayajulu * We want to respect framework's setting of PCI configuration space 673afaf5a2dSDavid Somayajulu * command register and also want to make sure that all bits of 674afaf5a2dSDavid Somayajulu * interest to us are properly set in command register. 675afaf5a2dSDavid Somayajulu */ 676afaf5a2dSDavid Somayajulu pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 67792b72736SDavid C Somayajulu w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; 678afaf5a2dSDavid Somayajulu w &= ~PCI_COMMAND_INTX_DISABLE; 679afaf5a2dSDavid Somayajulu pci_write_config_word(ha->pdev, PCI_COMMAND, w); 680afaf5a2dSDavid Somayajulu } 681afaf5a2dSDavid Somayajulu 682afaf5a2dSDavid Somayajulu static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) 683afaf5a2dSDavid Somayajulu { 684afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 685c301b026SVikas Chaudhary unsigned long max_wait_time; 686afaf5a2dSDavid Somayajulu unsigned long flags; 687afaf5a2dSDavid Somayajulu uint32_t mbox_status; 688afaf5a2dSDavid Somayajulu 689c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Starting firmware ...\n"); 690afaf5a2dSDavid Somayajulu 691afaf5a2dSDavid Somayajulu /* 692afaf5a2dSDavid Somayajulu * Start firmware from flash ROM 693afaf5a2dSDavid Somayajulu * 694afaf5a2dSDavid Somayajulu * WORKAROUND: Stuff a non-constant value that the firmware can 695afaf5a2dSDavid Somayajulu * use as a seed for a random number generator in MB7 prior to 696afaf5a2dSDavid Somayajulu * setting BOOT_ENABLE. Fixes problem where the TCP 697afaf5a2dSDavid Somayajulu * connections use the same TCP ports after each reboot, 698afaf5a2dSDavid Somayajulu * causing some connections to not get re-established. 699afaf5a2dSDavid Somayajulu */ 700afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n", 701afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 702afaf5a2dSDavid Somayajulu 703afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 704afaf5a2dSDavid Somayajulu writel(jiffies, &ha->reg->mailbox[7]); 705d915058fSDavid C Somayajulu if (is_qla4022(ha) | is_qla4032(ha)) 706afaf5a2dSDavid Somayajulu writel(set_rmask(NVR_WRITE_ENABLE), 707afaf5a2dSDavid Somayajulu &ha->reg->u1.isp4022.nvram); 708afaf5a2dSDavid Somayajulu 70992b72736SDavid C Somayajulu writel(2, &ha->reg->mailbox[6]); 71092b72736SDavid C Somayajulu readl(&ha->reg->mailbox[6]); 71192b72736SDavid C Somayajulu 712afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status); 713afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 714afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 715afaf5a2dSDavid Somayajulu 716afaf5a2dSDavid Somayajulu /* Wait for firmware to come UP. */ 717c301b026SVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for " 718c301b026SVikas Chaudhary "boot firmware to complete...\n", 719c301b026SVikas Chaudhary ha->host_no, __func__, FIRMWARE_UP_TOV)); 720c301b026SVikas Chaudhary max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ); 721afaf5a2dSDavid Somayajulu do { 722afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 723afaf5a2dSDavid Somayajulu 724afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 725afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 726afaf5a2dSDavid Somayajulu mbox_status = readw(&ha->reg->mailbox[0]); 727afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 728afaf5a2dSDavid Somayajulu 729afaf5a2dSDavid Somayajulu if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR)) 730afaf5a2dSDavid Somayajulu break; 731afaf5a2dSDavid Somayajulu if (mbox_status == MBOX_STS_COMMAND_COMPLETE) 732afaf5a2dSDavid Somayajulu break; 733afaf5a2dSDavid Somayajulu 734c301b026SVikas Chaudhary DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot " 735f581a3f7SVikas Chaudhary "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n", 736f581a3f7SVikas Chaudhary ha->host_no, __func__, ctrl_status, max_wait_time)); 737afaf5a2dSDavid Somayajulu 738c301b026SVikas Chaudhary msleep_interruptible(250); 739c301b026SVikas Chaudhary } while (!time_after_eq(jiffies, max_wait_time)); 740afaf5a2dSDavid Somayajulu 741afaf5a2dSDavid Somayajulu if (mbox_status == MBOX_STS_COMMAND_COMPLETE) { 742c301b026SVikas Chaudhary DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n", 743afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 744afaf5a2dSDavid Somayajulu 745afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 746afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 747afaf5a2dSDavid Somayajulu &ha->reg->ctrl_status); 748afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 749afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 750afaf5a2dSDavid Somayajulu 751afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 752afaf5a2dSDavid Somayajulu } else { 753afaf5a2dSDavid Somayajulu printk(KERN_INFO "scsi%ld: %s: Boot firmware failed " 754afaf5a2dSDavid Somayajulu "- mbox status 0x%x\n", ha->host_no, __func__, 755afaf5a2dSDavid Somayajulu mbox_status); 756afaf5a2dSDavid Somayajulu status = QLA_ERROR; 757afaf5a2dSDavid Somayajulu } 758afaf5a2dSDavid Somayajulu return status; 759afaf5a2dSDavid Somayajulu } 760afaf5a2dSDavid Somayajulu 76192b72736SDavid C Somayajulu int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) 762afaf5a2dSDavid Somayajulu { 76392b72736SDavid C Somayajulu #define QL4_LOCK_DRVR_WAIT 60 764477ffb9dSDavid C Somayajulu #define QL4_LOCK_DRVR_SLEEP 1 765afaf5a2dSDavid Somayajulu 766afaf5a2dSDavid Somayajulu int drvr_wait = QL4_LOCK_DRVR_WAIT; 767afaf5a2dSDavid Somayajulu while (drvr_wait) { 76892b72736SDavid C Somayajulu if (ql4xxx_lock_drvr(a) == 0) { 769477ffb9dSDavid C Somayajulu ssleep(QL4_LOCK_DRVR_SLEEP); 770afaf5a2dSDavid Somayajulu if (drvr_wait) { 771afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Waiting for " 77292b72736SDavid C Somayajulu "Global Init Semaphore(%d)...\n", 77392b72736SDavid C Somayajulu a->host_no, 774477ffb9dSDavid C Somayajulu __func__, drvr_wait)); 775afaf5a2dSDavid Somayajulu } 776afaf5a2dSDavid Somayajulu drvr_wait -= QL4_LOCK_DRVR_SLEEP; 777afaf5a2dSDavid Somayajulu } else { 778afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Global Init Semaphore " 77992b72736SDavid C Somayajulu "acquired\n", a->host_no, __func__)); 780afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 781afaf5a2dSDavid Somayajulu } 782afaf5a2dSDavid Somayajulu } 783afaf5a2dSDavid Somayajulu return QLA_ERROR; 784afaf5a2dSDavid Somayajulu } 785afaf5a2dSDavid Somayajulu 786afaf5a2dSDavid Somayajulu /** 787afaf5a2dSDavid Somayajulu * qla4xxx_start_firmware - starts qla4xxx firmware 788afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 789afaf5a2dSDavid Somayajulu * 7903a4fa0a2SRobert P. J. Day * This routine performs the necessary steps to start the firmware for 791afaf5a2dSDavid Somayajulu * the QLA4010 adapter. 792afaf5a2dSDavid Somayajulu **/ 793f4f5df23SVikas Chaudhary int qla4xxx_start_firmware(struct scsi_qla_host *ha) 794afaf5a2dSDavid Somayajulu { 795afaf5a2dSDavid Somayajulu unsigned long flags = 0; 796afaf5a2dSDavid Somayajulu uint32_t mbox_status; 797afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 798afaf5a2dSDavid Somayajulu int soft_reset = 1; 799afaf5a2dSDavid Somayajulu int config_chip = 0; 800afaf5a2dSDavid Somayajulu 801d915058fSDavid C Somayajulu if (is_qla4022(ha) | is_qla4032(ha)) 802afaf5a2dSDavid Somayajulu ql4xxx_set_mac_number(ha); 803afaf5a2dSDavid Somayajulu 804afaf5a2dSDavid Somayajulu if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 805afaf5a2dSDavid Somayajulu return QLA_ERROR; 806afaf5a2dSDavid Somayajulu 807afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 808afaf5a2dSDavid Somayajulu 809afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no, 810afaf5a2dSDavid Somayajulu __func__, readw(isp_port_ctrl(ha)))); 811afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no, 812afaf5a2dSDavid Somayajulu __func__, readw(isp_port_status(ha)))); 813afaf5a2dSDavid Somayajulu 814afaf5a2dSDavid Somayajulu /* Is Hardware already initialized? */ 815afaf5a2dSDavid Somayajulu if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) { 816afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Hardware has already been " 817afaf5a2dSDavid Somayajulu "initialized\n", ha->host_no, __func__)); 818afaf5a2dSDavid Somayajulu 819afaf5a2dSDavid Somayajulu /* Receive firmware boot acknowledgement */ 820afaf5a2dSDavid Somayajulu mbox_status = readw(&ha->reg->mailbox[0]); 821afaf5a2dSDavid Somayajulu 822afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= " 823afaf5a2dSDavid Somayajulu "0x%x\n", ha->host_no, __func__, mbox_status)); 824afaf5a2dSDavid Somayajulu 825afaf5a2dSDavid Somayajulu /* Is firmware already booted? */ 826afaf5a2dSDavid Somayajulu if (mbox_status == 0) { 827afaf5a2dSDavid Somayajulu /* F/W not running, must be config by net driver */ 828afaf5a2dSDavid Somayajulu config_chip = 1; 829afaf5a2dSDavid Somayajulu soft_reset = 0; 830afaf5a2dSDavid Somayajulu } else { 831afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 832afaf5a2dSDavid Somayajulu &ha->reg->ctrl_status); 833afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 83478764999SSarang Radke writel(set_rmask(CSR_SCSI_COMPLETION_INTR), 83578764999SSarang Radke &ha->reg->ctrl_status); 83678764999SSarang Radke readl(&ha->reg->ctrl_status); 837afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 838afaf5a2dSDavid Somayajulu if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { 839afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Get firmware " 840afaf5a2dSDavid Somayajulu "state -- state = 0x%x\n", 841afaf5a2dSDavid Somayajulu ha->host_no, 842afaf5a2dSDavid Somayajulu __func__, ha->firmware_state)); 843afaf5a2dSDavid Somayajulu /* F/W is running */ 844afaf5a2dSDavid Somayajulu if (ha->firmware_state & 845afaf5a2dSDavid Somayajulu FW_STATE_CONFIG_WAIT) { 846afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Firmware " 847afaf5a2dSDavid Somayajulu "in known state -- " 848afaf5a2dSDavid Somayajulu "config and " 849afaf5a2dSDavid Somayajulu "boot, state = 0x%x\n", 850afaf5a2dSDavid Somayajulu ha->host_no, __func__, 851afaf5a2dSDavid Somayajulu ha->firmware_state)); 852afaf5a2dSDavid Somayajulu config_chip = 1; 853afaf5a2dSDavid Somayajulu soft_reset = 0; 854afaf5a2dSDavid Somayajulu } 855afaf5a2dSDavid Somayajulu } else { 856afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: Firmware in " 857afaf5a2dSDavid Somayajulu "unknown state -- resetting," 858afaf5a2dSDavid Somayajulu " state = " 859afaf5a2dSDavid Somayajulu "0x%x\n", ha->host_no, __func__, 860afaf5a2dSDavid Somayajulu ha->firmware_state)); 861afaf5a2dSDavid Somayajulu } 862afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 863afaf5a2dSDavid Somayajulu } 864afaf5a2dSDavid Somayajulu } else { 865afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been " 866afaf5a2dSDavid Somayajulu "started - resetting\n", ha->host_no, __func__)); 867afaf5a2dSDavid Somayajulu } 868afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 869afaf5a2dSDavid Somayajulu 870afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ", 871afaf5a2dSDavid Somayajulu ha->host_no, __func__, soft_reset, config_chip)); 872afaf5a2dSDavid Somayajulu if (soft_reset) { 873afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no, 874afaf5a2dSDavid Somayajulu __func__)); 875f4f5df23SVikas Chaudhary status = qla4xxx_soft_reset(ha); /* NOTE: acquires drvr 876f4f5df23SVikas Chaudhary * lock again, but ok */ 877afaf5a2dSDavid Somayajulu if (status == QLA_ERROR) { 878afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%d: %s: Soft Reset failed!\n", 879afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 880afaf5a2dSDavid Somayajulu ql4xxx_unlock_drvr(ha); 881afaf5a2dSDavid Somayajulu return QLA_ERROR; 882afaf5a2dSDavid Somayajulu } 883afaf5a2dSDavid Somayajulu config_chip = 1; 884afaf5a2dSDavid Somayajulu 885b1c11812SJoe Perches /* Reset clears the semaphore, so acquire again */ 886afaf5a2dSDavid Somayajulu if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 887afaf5a2dSDavid Somayajulu return QLA_ERROR; 888afaf5a2dSDavid Somayajulu } 889afaf5a2dSDavid Somayajulu 890afaf5a2dSDavid Somayajulu if (config_chip) { 891afaf5a2dSDavid Somayajulu if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS) 892afaf5a2dSDavid Somayajulu status = qla4xxx_start_firmware_from_flash(ha); 893afaf5a2dSDavid Somayajulu } 894afaf5a2dSDavid Somayajulu 895afaf5a2dSDavid Somayajulu ql4xxx_unlock_drvr(ha); 896afaf5a2dSDavid Somayajulu if (status == QLA_SUCCESS) { 897afaf5a2dSDavid Somayajulu if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags)) 898afaf5a2dSDavid Somayajulu qla4xxx_get_crash_record(ha); 899aa6db9b9SVikas Chaudhary 900aa6db9b9SVikas Chaudhary qla4xxx_init_rings(ha); 901afaf5a2dSDavid Somayajulu } else { 902afaf5a2dSDavid Somayajulu DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n", 903afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 904afaf5a2dSDavid Somayajulu } 905afaf5a2dSDavid Somayajulu return status; 906afaf5a2dSDavid Somayajulu } 907166dd20dSLalit Chandivade /** 908166dd20dSLalit Chandivade * qla4xxx_free_ddb_index - Free DDBs reserved by firmware 909166dd20dSLalit Chandivade * @ha: pointer to adapter structure 910166dd20dSLalit Chandivade * 911166dd20dSLalit Chandivade * Since firmware is not running in autoconnect mode the DDB indices should 912166dd20dSLalit Chandivade * be freed so that when login happens from user space there are free DDB 913166dd20dSLalit Chandivade * indices available. 914166dd20dSLalit Chandivade **/ 91513483730SMike Christie void qla4xxx_free_ddb_index(struct scsi_qla_host *ha) 916166dd20dSLalit Chandivade { 917166dd20dSLalit Chandivade int max_ddbs; 918166dd20dSLalit Chandivade int ret; 919166dd20dSLalit Chandivade uint32_t idx = 0, next_idx = 0; 920166dd20dSLalit Chandivade uint32_t state = 0, conn_err = 0; 921166dd20dSLalit Chandivade 92213483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 923166dd20dSLalit Chandivade MAX_DEV_DB_ENTRIES; 924166dd20dSLalit Chandivade 925166dd20dSLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 926166dd20dSLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 927166dd20dSLalit Chandivade &next_idx, &state, &conn_err, 928166dd20dSLalit Chandivade NULL, NULL); 929e1cd89c5STomas Henzl if (ret == QLA_ERROR) { 930e1cd89c5STomas Henzl next_idx++; 931166dd20dSLalit Chandivade continue; 932e1cd89c5STomas Henzl } 933166dd20dSLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 934166dd20dSLalit Chandivade state == DDB_DS_SESSION_FAILED) { 935166dd20dSLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 936166dd20dSLalit Chandivade "Freeing DDB index = 0x%x\n", idx)); 937166dd20dSLalit Chandivade ret = qla4xxx_clear_ddb_entry(ha, idx); 938166dd20dSLalit Chandivade if (ret == QLA_ERROR) 939166dd20dSLalit Chandivade ql4_printk(KERN_ERR, ha, 940166dd20dSLalit Chandivade "Unable to clear DDB index = " 941166dd20dSLalit Chandivade "0x%x\n", idx); 942166dd20dSLalit Chandivade } 943166dd20dSLalit Chandivade if (next_idx == 0) 944166dd20dSLalit Chandivade break; 945166dd20dSLalit Chandivade } 946166dd20dSLalit Chandivade } 947afaf5a2dSDavid Somayajulu 948afaf5a2dSDavid Somayajulu /** 949afaf5a2dSDavid Somayajulu * qla4xxx_initialize_adapter - initiailizes hba 950afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 951afaf5a2dSDavid Somayajulu * 952afaf5a2dSDavid Somayajulu * This routine parforms all of the steps necessary to initialize the adapter. 953afaf5a2dSDavid Somayajulu * 954afaf5a2dSDavid Somayajulu **/ 95513483730SMike Christie int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset) 956afaf5a2dSDavid Somayajulu { 957afaf5a2dSDavid Somayajulu int status = QLA_ERROR; 958afaf5a2dSDavid Somayajulu 959afaf5a2dSDavid Somayajulu ha->eeprom_cmd_data = 0; 960afaf5a2dSDavid Somayajulu 961f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 962f4f5df23SVikas Chaudhary ha->isp_ops->pci_config(ha); 963afaf5a2dSDavid Somayajulu 964f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 965afaf5a2dSDavid Somayajulu 966afaf5a2dSDavid Somayajulu /* Initialize the Host adapter request/response queues and firmware */ 967f4f5df23SVikas Chaudhary if (ha->isp_ops->start_firmware(ha) == QLA_ERROR) 96846235e60SDavid C Somayajulu goto exit_init_hba; 969afaf5a2dSDavid Somayajulu 9705c19b92aSVikas Chaudhary /* 9715c19b92aSVikas Chaudhary * For ISP83XX, mailbox and IOCB interrupts are enabled separately. 9725c19b92aSVikas Chaudhary * Mailbox interrupts must be enabled prior to issuing any mailbox 9735c19b92aSVikas Chaudhary * command in order to prevent the possibility of losing interrupts 9745c19b92aSVikas Chaudhary * while switching from polling to interrupt mode. IOCB interrupts are 9755c19b92aSVikas Chaudhary * enabled via isp_ops->enable_intrs. 9765c19b92aSVikas Chaudhary */ 977b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) 9785c19b92aSVikas Chaudhary qla4_83xx_enable_mbox_intrs(ha); 9795c19b92aSVikas Chaudhary 9807ad633c0SHarish Zunjarrao if (qla4xxx_about_firmware(ha) == QLA_ERROR) 981f4f5df23SVikas Chaudhary goto exit_init_hba; 982f4f5df23SVikas Chaudhary 983f4f5df23SVikas Chaudhary if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR) 98446235e60SDavid C Somayajulu goto exit_init_hba; 985afaf5a2dSDavid Somayajulu 986ff4108dcSKaren Higgins qla4xxx_init_local_data(ha); 987afaf5a2dSDavid Somayajulu 988afaf5a2dSDavid Somayajulu status = qla4xxx_init_firmware(ha); 989afaf5a2dSDavid Somayajulu if (status == QLA_ERROR) 99046235e60SDavid C Somayajulu goto exit_init_hba; 991afaf5a2dSDavid Somayajulu 99213483730SMike Christie if (is_reset == RESET_ADAPTER) 99313483730SMike Christie qla4xxx_build_ddb_list(ha, is_reset); 994166dd20dSLalit Chandivade 99592b72736SDavid C Somayajulu set_bit(AF_ONLINE, &ha->flags); 9963710c60cSVikas Chaudhary 99737418cc6SNilesh Javali exit_init_hba: 998f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no, 99925985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 1000afaf5a2dSDavid Somayajulu return status; 1001afaf5a2dSDavid Somayajulu } 1002afaf5a2dSDavid Somayajulu 100313483730SMike Christie int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, 100413483730SMike Christie struct ddb_entry *ddb_entry, uint32_t state) 1005afaf5a2dSDavid Somayajulu { 1006b3a271a9SManish Rangankar uint32_t old_fw_ddb_device_state; 1007b3a271a9SManish Rangankar int status = QLA_ERROR; 1008afaf5a2dSDavid Somayajulu 1009b3a271a9SManish Rangankar old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; 1010b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 1011b3a271a9SManish Rangankar "%s: DDB - old state = 0x%x, new state = 0x%x for " 1012b3a271a9SManish Rangankar "index [%d]\n", __func__, 1013afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); 1014afaf5a2dSDavid Somayajulu 1015afaf5a2dSDavid Somayajulu ddb_entry->fw_ddb_device_state = state; 1016b3a271a9SManish Rangankar 1017b3a271a9SManish Rangankar switch (old_fw_ddb_device_state) { 1018b3a271a9SManish Rangankar case DDB_DS_LOGIN_IN_PROCESS: 1019b3a271a9SManish Rangankar switch (state) { 1020b3a271a9SManish Rangankar case DDB_DS_SESSION_ACTIVE: 1021b3a271a9SManish Rangankar case DDB_DS_DISCOVERY: 1022b3a271a9SManish Rangankar qla4xxx_update_session_conn_param(ha, ddb_entry); 10233d948e2aSManish Rangankar ddb_entry->unblock_sess(ddb_entry->sess); 1024b3a271a9SManish Rangankar status = QLA_SUCCESS; 1025b3a271a9SManish Rangankar break; 1026b3a271a9SManish Rangankar case DDB_DS_SESSION_FAILED: 1027b3a271a9SManish Rangankar case DDB_DS_NO_CONNECTION_ACTIVE: 1028b3a271a9SManish Rangankar iscsi_conn_login_event(ddb_entry->conn, 1029b3a271a9SManish Rangankar ISCSI_CONN_STATE_FREE); 1030b3a271a9SManish Rangankar status = QLA_SUCCESS; 1031b3a271a9SManish Rangankar break; 1032b3a271a9SManish Rangankar } 1033b3a271a9SManish Rangankar break; 1034b3a271a9SManish Rangankar case DDB_DS_SESSION_ACTIVE: 10353d948e2aSManish Rangankar case DDB_DS_DISCOVERY: 1036736cf369SManish Rangankar switch (state) { 1037736cf369SManish Rangankar case DDB_DS_SESSION_FAILED: 1038afaf5a2dSDavid Somayajulu /* 1039b3a271a9SManish Rangankar * iscsi_session failure will cause userspace to 1040b3a271a9SManish Rangankar * stop the connection which in turn would block the 1041b3a271a9SManish Rangankar * iscsi_session and start relogin 1042afaf5a2dSDavid Somayajulu */ 1043b3a271a9SManish Rangankar iscsi_session_failure(ddb_entry->sess->dd_data, 1044b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 1045b3a271a9SManish Rangankar status = QLA_SUCCESS; 1046736cf369SManish Rangankar break; 1047736cf369SManish Rangankar case DDB_DS_NO_CONNECTION_ACTIVE: 1048736cf369SManish Rangankar clear_bit(fw_ddb_index, ha->ddb_idx_map); 1049736cf369SManish Rangankar status = QLA_SUCCESS; 1050736cf369SManish Rangankar break; 1051b3a271a9SManish Rangankar } 1052b3a271a9SManish Rangankar break; 105398270ab4SManish Rangankar case DDB_DS_SESSION_FAILED: 105498270ab4SManish Rangankar switch (state) { 105598270ab4SManish Rangankar case DDB_DS_SESSION_ACTIVE: 105698270ab4SManish Rangankar case DDB_DS_DISCOVERY: 105713483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 105898270ab4SManish Rangankar qla4xxx_update_session_conn_param(ha, ddb_entry); 105998270ab4SManish Rangankar status = QLA_SUCCESS; 106098270ab4SManish Rangankar break; 106198270ab4SManish Rangankar case DDB_DS_SESSION_FAILED: 106298270ab4SManish Rangankar iscsi_session_failure(ddb_entry->sess->dd_data, 106398270ab4SManish Rangankar ISCSI_ERR_CONN_FAILED); 106498270ab4SManish Rangankar status = QLA_SUCCESS; 106598270ab4SManish Rangankar break; 106698270ab4SManish Rangankar } 106798270ab4SManish Rangankar break; 1068b3a271a9SManish Rangankar default: 1069b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", 1070b3a271a9SManish Rangankar __func__)); 1071b3a271a9SManish Rangankar break; 1072065aa1b4SVikas Chaudhary } 107313483730SMike Christie return status; 107413483730SMike Christie } 107513483730SMike Christie 107613483730SMike Christie void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry) 107713483730SMike Christie { 107813483730SMike Christie /* 107913483730SMike Christie * This triggers a relogin. After the relogin_timer 108013483730SMike Christie * expires, the relogin gets scheduled. We must wait a 108113483730SMike Christie * minimum amount of time since receiving an 0x8014 AEN 108213483730SMike Christie * with failed device_state or a logout response before 108313483730SMike Christie * we can issue another relogin. 108413483730SMike Christie * 108513483730SMike Christie * Firmware pads this timeout: (time2wait +1). 108613483730SMike Christie * Driver retry to login should be longer than F/W. 108713483730SMike Christie * Otherwise F/W will fail 108813483730SMike Christie * set_ddb() mbx cmd with 0x4005 since it still 108913483730SMike Christie * counting down its time2wait. 109013483730SMike Christie */ 109113483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 109213483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 109313483730SMike Christie ddb_entry->default_time2wait + 4); 109413483730SMike Christie 109513483730SMike Christie } 109613483730SMike Christie 109713483730SMike Christie int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, 109813483730SMike Christie struct ddb_entry *ddb_entry, uint32_t state) 109913483730SMike Christie { 110013483730SMike Christie uint32_t old_fw_ddb_device_state; 110113483730SMike Christie int status = QLA_ERROR; 110213483730SMike Christie 110313483730SMike Christie old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; 110413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 110513483730SMike Christie "%s: DDB - old state = 0x%x, new state = 0x%x for " 110613483730SMike Christie "index [%d]\n", __func__, 110713483730SMike Christie ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); 110813483730SMike Christie 110913483730SMike Christie ddb_entry->fw_ddb_device_state = state; 111013483730SMike Christie 111113483730SMike Christie switch (old_fw_ddb_device_state) { 111213483730SMike Christie case DDB_DS_LOGIN_IN_PROCESS: 111313483730SMike Christie case DDB_DS_NO_CONNECTION_ACTIVE: 111413483730SMike Christie switch (state) { 111513483730SMike Christie case DDB_DS_SESSION_ACTIVE: 111613483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 111713483730SMike Christie qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); 111813483730SMike Christie status = QLA_SUCCESS; 111913483730SMike Christie break; 112013483730SMike Christie case DDB_DS_SESSION_FAILED: 112113483730SMike Christie iscsi_block_session(ddb_entry->sess); 112213483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 112313483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 112413483730SMike Christie status = QLA_SUCCESS; 112513483730SMike Christie break; 112613483730SMike Christie } 112713483730SMike Christie break; 112813483730SMike Christie case DDB_DS_SESSION_ACTIVE: 112913483730SMike Christie switch (state) { 113013483730SMike Christie case DDB_DS_SESSION_FAILED: 113113483730SMike Christie iscsi_block_session(ddb_entry->sess); 113213483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 113313483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 113413483730SMike Christie status = QLA_SUCCESS; 113513483730SMike Christie break; 113613483730SMike Christie } 113713483730SMike Christie break; 113813483730SMike Christie case DDB_DS_SESSION_FAILED: 113913483730SMike Christie switch (state) { 114013483730SMike Christie case DDB_DS_SESSION_ACTIVE: 114113483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 114213483730SMike Christie qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); 114313483730SMike Christie status = QLA_SUCCESS; 114413483730SMike Christie break; 114513483730SMike Christie case DDB_DS_SESSION_FAILED: 114613483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 114713483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 114813483730SMike Christie status = QLA_SUCCESS; 114913483730SMike Christie break; 115013483730SMike Christie } 115113483730SMike Christie break; 115213483730SMike Christie default: 115313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", 115413483730SMike Christie __func__)); 115513483730SMike Christie break; 115613483730SMike Christie } 115713483730SMike Christie return status; 115813483730SMike Christie } 115913483730SMike Christie 116013483730SMike Christie /** 116113483730SMike Christie * qla4xxx_process_ddb_changed - process ddb state change 116213483730SMike Christie * @ha - Pointer to host adapter structure. 116313483730SMike Christie * @fw_ddb_index - Firmware's device database index 116413483730SMike Christie * @state - Device state 116513483730SMike Christie * 116613483730SMike Christie * This routine processes a Decive Database Changed AEN Event. 116713483730SMike Christie **/ 116813483730SMike Christie int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, 116913483730SMike Christie uint32_t fw_ddb_index, 117013483730SMike Christie uint32_t state, uint32_t conn_err) 117113483730SMike Christie { 117213483730SMike Christie struct ddb_entry *ddb_entry; 117313483730SMike Christie int status = QLA_ERROR; 117413483730SMike Christie 117513483730SMike Christie /* check for out of range index */ 117613483730SMike Christie if (fw_ddb_index >= MAX_DDB_ENTRIES) 117713483730SMike Christie goto exit_ddb_event; 117813483730SMike Christie 117913483730SMike Christie /* Get the corresponging ddb entry */ 118013483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); 118113483730SMike Christie /* Device does not currently exist in our database. */ 118213483730SMike Christie if (ddb_entry == NULL) { 118313483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n", 118413483730SMike Christie __func__, fw_ddb_index); 118513483730SMike Christie 118613483730SMike Christie if (state == DDB_DS_NO_CONNECTION_ACTIVE) 118713483730SMike Christie clear_bit(fw_ddb_index, ha->ddb_idx_map); 118813483730SMike Christie 118913483730SMike Christie goto exit_ddb_event; 119013483730SMike Christie } 119113483730SMike Christie 119213483730SMike Christie ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state); 1193065aa1b4SVikas Chaudhary 1194b3a271a9SManish Rangankar exit_ddb_event: 1195b3a271a9SManish Rangankar return status; 1196afaf5a2dSDavid Somayajulu } 119713483730SMike Christie 119813483730SMike Christie /** 119913483730SMike Christie * qla4xxx_login_flash_ddb - Login to target (DDB) 120013483730SMike Christie * @cls_session: Pointer to the session to login 120113483730SMike Christie * 120213483730SMike Christie * This routine logins to the target. 120313483730SMike Christie * Issues setddb and conn open mbx 120413483730SMike Christie **/ 120513483730SMike Christie void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session) 120613483730SMike Christie { 120713483730SMike Christie struct iscsi_session *sess; 120813483730SMike Christie struct ddb_entry *ddb_entry; 120913483730SMike Christie struct scsi_qla_host *ha; 121013483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 121113483730SMike Christie dma_addr_t fw_ddb_dma; 121213483730SMike Christie uint32_t mbx_sts = 0; 121313483730SMike Christie int ret; 121413483730SMike Christie 121513483730SMike Christie sess = cls_session->dd_data; 121613483730SMike Christie ddb_entry = sess->dd_data; 121713483730SMike Christie ha = ddb_entry->ha; 121813483730SMike Christie 121913483730SMike Christie if (!test_bit(AF_LINK_UP, &ha->flags)) 122013483730SMike Christie return; 122113483730SMike Christie 122213483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) { 122313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 122413483730SMike Christie "Skipping login to non FLASH DB")); 122513483730SMike Christie goto exit_login; 122613483730SMike Christie } 122713483730SMike Christie 122813483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 122913483730SMike Christie &fw_ddb_dma); 123013483730SMike Christie if (fw_ddb_entry == NULL) { 123113483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 123213483730SMike Christie goto exit_login; 123313483730SMike Christie } 123413483730SMike Christie 123513483730SMike Christie if (ddb_entry->fw_ddb_index == INVALID_ENTRY) { 123613483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index); 123713483730SMike Christie if (ret == QLA_ERROR) 123813483730SMike Christie goto exit_login; 123913483730SMike Christie 124013483730SMike Christie ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 124113483730SMike Christie ha->tot_ddbs++; 124213483730SMike Christie } 124313483730SMike Christie 124413483730SMike Christie memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry, 124513483730SMike Christie sizeof(struct dev_db_entry)); 124613483730SMike Christie ddb_entry->sess->target_id = ddb_entry->fw_ddb_index; 124713483730SMike Christie 124813483730SMike Christie ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 124913483730SMike Christie fw_ddb_dma, &mbx_sts); 125013483730SMike Christie if (ret == QLA_ERROR) { 125113483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n")); 125213483730SMike Christie goto exit_login; 125313483730SMike Christie } 125413483730SMike Christie 125513483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 125613483730SMike Christie ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 125713483730SMike Christie if (ret == QLA_ERROR) { 125813483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 125913483730SMike Christie sess->targetname); 126013483730SMike Christie goto exit_login; 126113483730SMike Christie } 126213483730SMike Christie 126313483730SMike Christie exit_login: 126413483730SMike Christie if (fw_ddb_entry) 126513483730SMike Christie dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 126613483730SMike Christie } 126713483730SMike Christie 1268