David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * QLogic iSCSI HBA Driver |
Vikas Chaudhary | 4a4f51e | 2013-08-16 07:03:04 -0400 | [diff] [blame] | 3 | * Copyright (c) 2003-2013 QLogic Corporation |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4 | * |
| 5 | * See LICENSE.qla4xxx for copyright and licensing details. |
| 6 | */ |
| 7 | |
Mike Christie | 2697478 | 2007-12-13 12:43:29 -0600 | [diff] [blame] | 8 | #include <scsi/iscsi_if.h> |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9 | #include "ql4_def.h" |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 10 | #include "ql4_glbl.h" |
| 11 | #include "ql4_dbg.h" |
| 12 | #include "ql4_inline.h" |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 13 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 14 | static void ql4xxx_set_mac_number(struct scsi_qla_host *ha) |
| 15 | { |
| 16 | uint32_t value; |
| 17 | uint8_t func_number; |
| 18 | unsigned long flags; |
| 19 | |
| 20 | /* Get the function number */ |
| 21 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 22 | value = readw(&ha->reg->ctrl_status); |
| 23 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 24 | |
| 25 | func_number = (uint8_t) ((value >> 4) & 0x30); |
| 26 | switch (value & ISP_CONTROL_FN_MASK) { |
| 27 | case ISP_CONTROL_FN0_SCSI: |
| 28 | ha->mac_index = 1; |
| 29 | break; |
| 30 | case ISP_CONTROL_FN1_SCSI: |
| 31 | ha->mac_index = 3; |
| 32 | break; |
| 33 | default: |
| 34 | DEBUG2(printk("scsi%ld: %s: Invalid function number, " |
| 35 | "ispControlStatus = 0x%x\n", ha->host_no, |
| 36 | __func__, value)); |
| 37 | break; |
| 38 | } |
| 39 | DEBUG2(printk("scsi%ld: %s: mac_index %d.\n", ha->host_no, __func__, |
| 40 | ha->mac_index)); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * qla4xxx_free_ddb - deallocate ddb |
| 45 | * @ha: pointer to host adapter structure. |
| 46 | * @ddb_entry: pointer to device database entry |
| 47 | * |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 48 | * This routine marks a DDB entry INVALID |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 49 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 50 | void qla4xxx_free_ddb(struct scsi_qla_host *ha, |
| 51 | struct ddb_entry *ddb_entry) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 52 | { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 53 | /* Remove device pointer from index mapping arrays */ |
| 54 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = |
| 55 | (struct ddb_entry *) INVALID_ENTRY; |
| 56 | ha->tot_ddbs--; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | /** |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 60 | * qla4xxx_init_response_q_entries() - Initializes response queue entries. |
| 61 | * @ha: HA context |
| 62 | * |
| 63 | * Beginning of request ring has initialization control block already built |
| 64 | * by nvram config routine. |
| 65 | **/ |
| 66 | static void qla4xxx_init_response_q_entries(struct scsi_qla_host *ha) |
| 67 | { |
| 68 | uint16_t cnt; |
| 69 | struct response *pkt; |
| 70 | |
| 71 | pkt = (struct response *)ha->response_ptr; |
| 72 | for (cnt = 0; cnt < RESPONSE_QUEUE_DEPTH; cnt++) { |
| 73 | pkt->signature = RESPONSE_PROCESSED; |
| 74 | pkt++; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 79 | * qla4xxx_init_rings - initialize hw queues |
| 80 | * @ha: pointer to host adapter structure. |
| 81 | * |
| 82 | * This routine initializes the internal queues for the specified adapter. |
| 83 | * The QLA4010 requires us to restart the queues at index 0. |
| 84 | * The QLA4000 doesn't care, so just default to QLA4010's requirement. |
| 85 | **/ |
| 86 | int qla4xxx_init_rings(struct scsi_qla_host *ha) |
| 87 | { |
| 88 | unsigned long flags = 0; |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 89 | int i; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 90 | |
| 91 | /* Initialize request queue. */ |
| 92 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 93 | ha->request_out = 0; |
| 94 | ha->request_in = 0; |
| 95 | ha->request_ptr = &ha->request_ring[ha->request_in]; |
| 96 | ha->req_q_count = REQUEST_QUEUE_DEPTH; |
| 97 | |
| 98 | /* Initialize response queue. */ |
| 99 | ha->response_in = 0; |
| 100 | ha->response_out = 0; |
| 101 | ha->response_ptr = &ha->response_ring[ha->response_out]; |
| 102 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 103 | if (is_qla8022(ha)) { |
| 104 | writel(0, |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 105 | (unsigned long __iomem *)&ha->qla4_82xx_reg->req_q_out); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 106 | writel(0, |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 107 | (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_in); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 108 | writel(0, |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 109 | (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_out); |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 110 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 111 | writel(0, |
| 112 | (unsigned long __iomem *)&ha->qla4_83xx_reg->req_q_in); |
| 113 | writel(0, |
| 114 | (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_in); |
| 115 | writel(0, |
| 116 | (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_out); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 117 | } else { |
| 118 | /* |
| 119 | * Initialize DMA Shadow registers. The firmware is really |
| 120 | * supposed to take care of this, but on some uniprocessor |
| 121 | * systems, the shadow registers aren't cleared-- causing |
| 122 | * the interrupt_handler to think there are responses to be |
| 123 | * processed when there aren't. |
| 124 | */ |
| 125 | ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0); |
| 126 | ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0); |
| 127 | wmb(); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 128 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 129 | writel(0, &ha->reg->req_q_in); |
| 130 | writel(0, &ha->reg->rsp_q_out); |
| 131 | readl(&ha->reg->rsp_q_out); |
| 132 | } |
| 133 | |
| 134 | qla4xxx_init_response_q_entries(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 135 | |
Vikas Chaudhary | 18e2df9 | 2012-06-14 10:13:53 -0400 | [diff] [blame] | 136 | /* Initialize mailbox active array */ |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 137 | for (i = 0; i < MAX_MRB; i++) |
| 138 | ha->active_mrb_array[i] = NULL; |
| 139 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 140 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 141 | |
| 142 | return QLA_SUCCESS; |
| 143 | } |
| 144 | |
| 145 | /** |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 146 | * qla4xxx_get_sys_info - validate adapter MAC address(es) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 147 | * @ha: pointer to host adapter structure. |
| 148 | * |
| 149 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 150 | int qla4xxx_get_sys_info(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 151 | { |
| 152 | struct flash_sys_info *sys_info; |
| 153 | dma_addr_t sys_info_dma; |
| 154 | int status = QLA_ERROR; |
| 155 | |
| 156 | sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info), |
| 157 | &sys_info_dma, GFP_KERNEL); |
| 158 | if (sys_info == NULL) { |
| 159 | DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", |
| 160 | ha->host_no, __func__)); |
| 161 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 162 | goto exit_get_sys_info_no_free; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 163 | } |
| 164 | memset(sys_info, 0, sizeof(*sys_info)); |
| 165 | |
| 166 | /* Get flash sys info */ |
| 167 | if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO, |
| 168 | sizeof(*sys_info)) != QLA_SUCCESS) { |
| 169 | DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO " |
| 170 | "failed\n", ha->host_no, __func__)); |
| 171 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 172 | goto exit_get_sys_info; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | /* Save M.A.C. address & serial_number */ |
| 176 | memcpy(ha->my_mac, &sys_info->physAddr[0].address[0], |
| 177 | min(sizeof(ha->my_mac), |
| 178 | sizeof(sys_info->physAddr[0].address))); |
| 179 | memcpy(ha->serial_number, &sys_info->acSerialNumber, |
| 180 | min(sizeof(ha->serial_number), |
| 181 | sizeof(sys_info->acSerialNumber))); |
| 182 | |
| 183 | status = QLA_SUCCESS; |
| 184 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 185 | exit_get_sys_info: |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 186 | dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info, |
| 187 | sys_info_dma); |
| 188 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 189 | exit_get_sys_info_no_free: |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 190 | return status; |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * qla4xxx_init_local_data - initialize adapter specific local data |
| 195 | * @ha: pointer to host adapter structure. |
| 196 | * |
| 197 | **/ |
Karen Higgins | ff4108d | 2013-01-20 23:50:59 -0500 | [diff] [blame] | 198 | static void qla4xxx_init_local_data(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 199 | { |
Uwe Kleine-König | 421f91d | 2010-06-11 12:17:00 +0200 | [diff] [blame] | 200 | /* Initialize aen queue */ |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 201 | ha->aen_q_count = MAX_AEN_ENTRIES; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 202 | } |
| 203 | |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 204 | static uint8_t |
| 205 | qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha) |
| 206 | { |
| 207 | uint8_t ipv4_wait = 0; |
| 208 | uint8_t ipv6_wait = 0; |
| 209 | int8_t ip_address[IPv6_ADDR_LEN] = {0} ; |
| 210 | |
| 211 | /* If both IPv4 & IPv6 are enabled, possibly only one |
| 212 | * IP address may be acquired, so check to see if we |
| 213 | * need to wait for another */ |
| 214 | if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) { |
| 215 | if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) && |
| 216 | ((ha->addl_fw_state & |
| 217 | FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) { |
| 218 | ipv4_wait = 1; |
| 219 | } |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 220 | if (((ha->ip_config.ipv6_addl_options & |
| 221 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) && |
| 222 | ((ha->ip_config.ipv6_link_local_state == |
| 223 | IP_ADDRSTATE_ACQUIRING) || |
| 224 | (ha->ip_config.ipv6_addr0_state == |
| 225 | IP_ADDRSTATE_ACQUIRING) || |
| 226 | (ha->ip_config.ipv6_addr1_state == |
| 227 | IP_ADDRSTATE_ACQUIRING))) { |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 228 | |
| 229 | ipv6_wait = 1; |
| 230 | |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 231 | if ((ha->ip_config.ipv6_link_local_state == |
| 232 | IP_ADDRSTATE_PREFERRED) || |
| 233 | (ha->ip_config.ipv6_addr0_state == |
| 234 | IP_ADDRSTATE_PREFERRED) || |
| 235 | (ha->ip_config.ipv6_addr1_state == |
| 236 | IP_ADDRSTATE_PREFERRED)) { |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 237 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: " |
| 238 | "Preferred IP configured." |
| 239 | " Don't wait!\n", ha->host_no, |
| 240 | __func__)); |
| 241 | ipv6_wait = 0; |
| 242 | } |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 243 | if (memcmp(&ha->ip_config.ipv6_default_router_addr, |
| 244 | ip_address, IPv6_ADDR_LEN) == 0) { |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 245 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: " |
| 246 | "No Router configured. " |
| 247 | "Don't wait!\n", ha->host_no, |
| 248 | __func__)); |
| 249 | ipv6_wait = 0; |
| 250 | } |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 251 | if ((ha->ip_config.ipv6_default_router_state == |
| 252 | IPV6_RTRSTATE_MANUAL) && |
| 253 | (ha->ip_config.ipv6_link_local_state == |
| 254 | IP_ADDRSTATE_TENTATIVE) && |
| 255 | (memcmp(&ha->ip_config.ipv6_link_local_addr, |
| 256 | &ha->ip_config.ipv6_default_router_addr, 4) == |
| 257 | 0)) { |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 258 | DEBUG2(printk("scsi%ld: %s: LinkLocal Router & " |
| 259 | "IP configured. Don't wait!\n", |
| 260 | ha->host_no, __func__)); |
| 261 | ipv6_wait = 0; |
| 262 | } |
| 263 | } |
| 264 | if (ipv4_wait || ipv6_wait) { |
| 265 | DEBUG2(printk("scsi%ld: %s: Wait for additional " |
| 266 | "IP(s) \"", ha->host_no, __func__)); |
| 267 | if (ipv4_wait) |
| 268 | DEBUG2(printk("IPv4 ")); |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 269 | if (ha->ip_config.ipv6_link_local_state == |
| 270 | IP_ADDRSTATE_ACQUIRING) |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 271 | DEBUG2(printk("IPv6LinkLocal ")); |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 272 | if (ha->ip_config.ipv6_addr0_state == |
| 273 | IP_ADDRSTATE_ACQUIRING) |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 274 | DEBUG2(printk("IPv6Addr0 ")); |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 275 | if (ha->ip_config.ipv6_addr1_state == |
| 276 | IP_ADDRSTATE_ACQUIRING) |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 277 | DEBUG2(printk("IPv6Addr1 ")); |
| 278 | DEBUG2(printk("\"\n")); |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | return ipv4_wait|ipv6_wait; |
| 283 | } |
| 284 | |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 285 | /** |
| 286 | * qla4xxx_alloc_fw_dump - Allocate memory for minidump data. |
| 287 | * @ha: pointer to host adapter structure. |
| 288 | **/ |
| 289 | void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha) |
| 290 | { |
| 291 | int status; |
| 292 | uint32_t capture_debug_level; |
| 293 | int hdr_entry_bit, k; |
| 294 | void *md_tmp; |
| 295 | dma_addr_t md_tmp_dma; |
| 296 | struct qla4_8xxx_minidump_template_hdr *md_hdr; |
| 297 | |
| 298 | if (ha->fw_dump) { |
| 299 | ql4_printk(KERN_WARNING, ha, |
| 300 | "Firmware dump previously allocated.\n"); |
| 301 | return; |
| 302 | } |
| 303 | |
| 304 | status = qla4xxx_req_template_size(ha); |
| 305 | if (status != QLA_SUCCESS) { |
| 306 | ql4_printk(KERN_INFO, ha, |
| 307 | "scsi%ld: Failed to get template size\n", |
| 308 | ha->host_no); |
| 309 | return; |
| 310 | } |
| 311 | |
| 312 | clear_bit(AF_82XX_FW_DUMPED, &ha->flags); |
| 313 | |
| 314 | /* Allocate memory for saving the template */ |
| 315 | md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, |
| 316 | &md_tmp_dma, GFP_KERNEL); |
| 317 | |
| 318 | /* Request template */ |
| 319 | status = qla4xxx_get_minidump_template(ha, md_tmp_dma); |
| 320 | if (status != QLA_SUCCESS) { |
| 321 | ql4_printk(KERN_INFO, ha, |
| 322 | "scsi%ld: Failed to get minidump template\n", |
| 323 | ha->host_no); |
| 324 | goto alloc_cleanup; |
| 325 | } |
| 326 | |
| 327 | md_hdr = (struct qla4_8xxx_minidump_template_hdr *)md_tmp; |
| 328 | |
| 329 | capture_debug_level = md_hdr->capture_debug_level; |
| 330 | |
| 331 | /* Get capture mask based on module loadtime setting. */ |
| 332 | if (ql4xmdcapmask >= 0x3 && ql4xmdcapmask <= 0x7F) |
| 333 | ha->fw_dump_capture_mask = ql4xmdcapmask; |
| 334 | else |
| 335 | ha->fw_dump_capture_mask = capture_debug_level; |
| 336 | |
| 337 | md_hdr->driver_capture_mask = ha->fw_dump_capture_mask; |
| 338 | |
| 339 | DEBUG2(ql4_printk(KERN_INFO, ha, "Minimum num of entries = %d\n", |
| 340 | md_hdr->num_of_entries)); |
| 341 | DEBUG2(ql4_printk(KERN_INFO, ha, "Dump template size = %d\n", |
| 342 | ha->fw_dump_tmplt_size)); |
| 343 | DEBUG2(ql4_printk(KERN_INFO, ha, "Selected Capture mask =0x%x\n", |
| 344 | ha->fw_dump_capture_mask)); |
| 345 | |
| 346 | /* Calculate fw_dump_size */ |
| 347 | for (hdr_entry_bit = 0x2, k = 1; (hdr_entry_bit & 0xFF); |
| 348 | hdr_entry_bit <<= 1, k++) { |
| 349 | if (hdr_entry_bit & ha->fw_dump_capture_mask) |
| 350 | ha->fw_dump_size += md_hdr->capture_size_array[k]; |
| 351 | } |
| 352 | |
| 353 | /* Total firmware dump size including command header */ |
| 354 | ha->fw_dump_size += ha->fw_dump_tmplt_size; |
| 355 | ha->fw_dump = vmalloc(ha->fw_dump_size); |
| 356 | if (!ha->fw_dump) |
| 357 | goto alloc_cleanup; |
| 358 | |
| 359 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 360 | "Minidump Tempalate Size = 0x%x KB\n", |
| 361 | ha->fw_dump_tmplt_size)); |
| 362 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 363 | "Total Minidump size = 0x%x KB\n", ha->fw_dump_size)); |
| 364 | |
| 365 | memcpy(ha->fw_dump, md_tmp, ha->fw_dump_tmplt_size); |
| 366 | ha->fw_dump_tmplt_hdr = ha->fw_dump; |
| 367 | |
| 368 | alloc_cleanup: |
| 369 | dma_free_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, |
| 370 | md_tmp, md_tmp_dma); |
| 371 | } |
| 372 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 373 | static int qla4xxx_fw_ready(struct scsi_qla_host *ha) |
| 374 | { |
| 375 | uint32_t timeout_count; |
| 376 | int ready = 0; |
| 377 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 378 | DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n")); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 379 | for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0; |
| 380 | timeout_count--) { |
| 381 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) |
| 382 | qla4xxx_get_dhcp_ip_address(ha); |
| 383 | |
| 384 | /* Get firmware state. */ |
| 385 | if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) { |
| 386 | DEBUG2(printk("scsi%ld: %s: unable to get firmware " |
| 387 | "state\n", ha->host_no, __func__)); |
| 388 | break; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | if (ha->firmware_state & FW_STATE_ERROR) { |
| 392 | DEBUG2(printk("scsi%ld: %s: an unrecoverable error has" |
| 393 | " occurred\n", ha->host_no, __func__)); |
| 394 | break; |
| 395 | |
| 396 | } |
| 397 | if (ha->firmware_state & FW_STATE_CONFIG_WAIT) { |
| 398 | /* |
| 399 | * The firmware has not yet been issued an Initialize |
| 400 | * Firmware command, so issue it now. |
| 401 | */ |
| 402 | if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) |
| 403 | break; |
| 404 | |
| 405 | /* Go back and test for ready state - no wait. */ |
| 406 | continue; |
| 407 | } |
| 408 | |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 409 | if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { |
| 410 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" |
| 411 | "AUTOCONNECT in progress\n", |
| 412 | ha->host_no, __func__)); |
| 413 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 414 | |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 415 | if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { |
| 416 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:" |
| 417 | " CONFIGURING IP\n", |
| 418 | ha->host_no, __func__)); |
| 419 | /* |
| 420 | * Check for link state after 15 secs and if link is |
| 421 | * still DOWN then, cable is unplugged. Ignore "DHCP |
| 422 | * in Progress/CONFIGURING IP" bit to check if firmware |
| 423 | * is in ready state or not after 15 secs. |
| 424 | * This is applicable for both 2.x & 3.x firmware |
| 425 | */ |
| 426 | if (timeout_count <= (ADAPTER_INIT_TOV - 15)) { |
| 427 | if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) { |
| 428 | DEBUG2(printk(KERN_INFO "scsi%ld: %s:" |
| 429 | " LINK UP (Cable plugged)\n", |
| 430 | ha->host_no, __func__)); |
| 431 | } else if (ha->firmware_state & |
| 432 | (FW_STATE_CONFIGURING_IP | |
| 433 | FW_STATE_READY)) { |
| 434 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: " |
| 435 | "LINK DOWN (Cable unplugged)\n", |
| 436 | ha->host_no, __func__)); |
| 437 | ha->firmware_state = FW_STATE_READY; |
| 438 | } |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | if (ha->firmware_state == FW_STATE_READY) { |
| 443 | /* If DHCP IP Addr is available, retrieve it now. */ |
| 444 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, |
| 445 | &ha->dpc_flags)) |
| 446 | qla4xxx_get_dhcp_ip_address(ha); |
| 447 | |
| 448 | if (!qla4xxx_wait_for_ip_config(ha) || |
| 449 | timeout_count == 1) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 450 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 451 | "Firmware Ready..\n")); |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 452 | /* The firmware is ready to process SCSI |
| 453 | commands. */ |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 454 | DEBUG2(ql4_printk(KERN_INFO, ha, |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 455 | "scsi%ld: %s: MEDIA TYPE" |
| 456 | " - %s\n", ha->host_no, |
| 457 | __func__, (ha->addl_fw_state & |
| 458 | FW_ADDSTATE_OPTICAL_MEDIA) |
| 459 | != 0 ? "OPTICAL" : "COPPER")); |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 460 | DEBUG2(ql4_printk(KERN_INFO, ha, |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 461 | "scsi%ld: %s: DHCPv4 STATE" |
| 462 | " Enabled %s\n", ha->host_no, |
| 463 | __func__, (ha->addl_fw_state & |
| 464 | FW_ADDSTATE_DHCPv4_ENABLED) != 0 ? |
| 465 | "YES" : "NO")); |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 466 | DEBUG2(ql4_printk(KERN_INFO, ha, |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 467 | "scsi%ld: %s: LINK %s\n", |
| 468 | ha->host_no, __func__, |
| 469 | (ha->addl_fw_state & |
| 470 | FW_ADDSTATE_LINK_UP) != 0 ? |
| 471 | "UP" : "DOWN")); |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 472 | DEBUG2(ql4_printk(KERN_INFO, ha, |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 473 | "scsi%ld: %s: iSNS Service " |
| 474 | "Started %s\n", |
| 475 | ha->host_no, __func__, |
| 476 | (ha->addl_fw_state & |
| 477 | FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ? |
| 478 | "YES" : "NO")); |
| 479 | |
| 480 | ready = 1; |
| 481 | break; |
| 482 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 483 | } |
| 484 | DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - " |
| 485 | "seconds expired= %d\n", ha->host_no, __func__, |
| 486 | ha->firmware_state, ha->addl_fw_state, |
| 487 | timeout_count)); |
David C Somayajulu | d915058 | 2006-11-15 17:38:40 -0800 | [diff] [blame] | 488 | if (is_qla4032(ha) && |
| 489 | !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) && |
| 490 | (timeout_count < ADAPTER_INIT_TOV - 5)) { |
| 491 | break; |
| 492 | } |
| 493 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 494 | msleep(1000); |
| 495 | } /* end of for */ |
| 496 | |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 497 | if (timeout_count <= 0) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 498 | DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n", |
| 499 | ha->host_no, __func__)); |
| 500 | |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 501 | if (ha->firmware_state & FW_STATE_CONFIGURING_IP) { |
| 502 | DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting " |
| 503 | "it's waiting to configure an IP address\n", |
| 504 | ha->host_no, __func__)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 505 | ready = 1; |
Vikas Chaudhary | 2a49a78 | 2010-04-28 11:37:07 +0530 | [diff] [blame] | 506 | } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) { |
| 507 | DEBUG2(printk("scsi%ld: %s: FW initialized, but " |
| 508 | "auto-discovery still in process\n", |
| 509 | ha->host_no, __func__)); |
Vikas Chaudhary | b966346 | 2010-07-10 14:49:19 +0530 | [diff] [blame] | 510 | ready = 1; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 511 | } |
| 512 | |
| 513 | return ready; |
| 514 | } |
| 515 | |
| 516 | /** |
| 517 | * qla4xxx_init_firmware - initializes the firmware. |
| 518 | * @ha: pointer to host adapter structure. |
| 519 | * |
| 520 | **/ |
| 521 | static int qla4xxx_init_firmware(struct scsi_qla_host *ha) |
| 522 | { |
| 523 | int status = QLA_ERROR; |
| 524 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 525 | if (is_aer_supported(ha) && |
| 526 | test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) |
| 527 | return status; |
| 528 | |
Lalit Chandivade | 9d4946f | 2010-07-30 14:26:31 +0530 | [diff] [blame] | 529 | /* For 82xx, stop firmware before initializing because if BIOS |
| 530 | * has previously initialized firmware, then driver's initialize |
| 531 | * firmware will fail. */ |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 532 | if (is_qla80XX(ha)) |
Lalit Chandivade | 9d4946f | 2010-07-30 14:26:31 +0530 | [diff] [blame] | 533 | qla4_8xxx_stop_firmware(ha); |
| 534 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 535 | ql4_printk(KERN_INFO, ha, "Initializing firmware..\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 536 | if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) { |
| 537 | DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware " |
| 538 | "control block\n", ha->host_no, __func__)); |
| 539 | return status; |
| 540 | } |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 541 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 542 | if (!qla4xxx_fw_ready(ha)) |
| 543 | return status; |
| 544 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 545 | if (is_qla80XX(ha) && !test_bit(AF_INIT_DONE, &ha->flags)) |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 546 | qla4xxx_alloc_fw_dump(ha); |
| 547 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 548 | return qla4xxx_get_firmware_status(ha); |
| 549 | } |
| 550 | |
Vikas Chaudhary | 91ec7ce | 2011-08-01 03:26:17 -0700 | [diff] [blame] | 551 | static void qla4xxx_set_model_info(struct scsi_qla_host *ha) |
| 552 | { |
| 553 | uint16_t board_id_string[8]; |
| 554 | int i; |
| 555 | int size = sizeof(ha->nvram->isp4022.boardIdStr); |
| 556 | int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2; |
| 557 | |
| 558 | for (i = 0; i < (size / 2) ; i++) { |
| 559 | board_id_string[i] = rd_nvram_word(ha, offset); |
| 560 | offset += 1; |
| 561 | } |
| 562 | |
| 563 | memcpy(ha->model_name, board_id_string, size); |
| 564 | } |
| 565 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 566 | static int qla4xxx_config_nvram(struct scsi_qla_host *ha) |
| 567 | { |
| 568 | unsigned long flags; |
| 569 | union external_hw_config_reg extHwConfig; |
| 570 | |
| 571 | DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no, |
| 572 | __func__)); |
| 573 | if (ql4xxx_lock_flash(ha) != QLA_SUCCESS) |
Mike Christie | b392551 | 2010-02-10 16:51:48 -0600 | [diff] [blame] | 574 | return QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 575 | if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) { |
| 576 | ql4xxx_unlock_flash(ha); |
Mike Christie | b392551 | 2010-02-10 16:51:48 -0600 | [diff] [blame] | 577 | return QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 578 | } |
| 579 | |
| 580 | /* Get EEPRom Parameters from NVRAM and validate */ |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 581 | ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 582 | if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) { |
| 583 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 584 | extHwConfig.Asuint32_t = |
| 585 | rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha)); |
| 586 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 587 | } else { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 588 | ql4_printk(KERN_WARNING, ha, |
| 589 | "scsi%ld: %s: EEProm checksum invalid. " |
| 590 | "Please update your EEPROM\n", ha->host_no, |
| 591 | __func__); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 592 | |
Mike Christie | b392551 | 2010-02-10 16:51:48 -0600 | [diff] [blame] | 593 | /* Attempt to set defaults */ |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 594 | if (is_qla4010(ha)) |
| 595 | extHwConfig.Asuint32_t = 0x1912; |
David C Somayajulu | d915058 | 2006-11-15 17:38:40 -0800 | [diff] [blame] | 596 | else if (is_qla4022(ha) | is_qla4032(ha)) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 597 | extHwConfig.Asuint32_t = 0x0023; |
Mike Christie | b392551 | 2010-02-10 16:51:48 -0600 | [diff] [blame] | 598 | else |
| 599 | return QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 600 | } |
Vikas Chaudhary | 91ec7ce | 2011-08-01 03:26:17 -0700 | [diff] [blame] | 601 | |
| 602 | if (is_qla4022(ha) || is_qla4032(ha)) |
| 603 | qla4xxx_set_model_info(ha); |
| 604 | else |
| 605 | strcpy(ha->model_name, "QLA4010"); |
| 606 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 607 | DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", |
| 608 | ha->host_no, __func__, extHwConfig.Asuint32_t)); |
| 609 | |
| 610 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 611 | writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha)); |
| 612 | readl(isp_ext_hw_conf(ha)); |
| 613 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 614 | |
| 615 | ql4xxx_unlock_nvram(ha); |
| 616 | ql4xxx_unlock_flash(ha); |
| 617 | |
Mike Christie | b392551 | 2010-02-10 16:51:48 -0600 | [diff] [blame] | 618 | return QLA_SUCCESS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 619 | } |
| 620 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 621 | /** |
| 622 | * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers. |
| 623 | * @ha: HA context |
| 624 | */ |
| 625 | void qla4_8xxx_pci_config(struct scsi_qla_host *ha) |
| 626 | { |
| 627 | pci_set_master(ha->pdev); |
| 628 | } |
| 629 | |
| 630 | void qla4xxx_pci_config(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 631 | { |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 632 | uint16_t w; |
David C Somayajulu | 46235e6 | 2007-06-08 17:37:16 -0700 | [diff] [blame] | 633 | int status; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 634 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 635 | ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 636 | |
| 637 | pci_set_master(ha->pdev); |
David C Somayajulu | 46235e6 | 2007-06-08 17:37:16 -0700 | [diff] [blame] | 638 | status = pci_set_mwi(ha->pdev); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 639 | /* |
| 640 | * We want to respect framework's setting of PCI configuration space |
| 641 | * command register and also want to make sure that all bits of |
| 642 | * interest to us are properly set in command register. |
| 643 | */ |
| 644 | pci_read_config_word(ha->pdev, PCI_COMMAND, &w); |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 645 | w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 646 | w &= ~PCI_COMMAND_INTX_DISABLE; |
| 647 | pci_write_config_word(ha->pdev, PCI_COMMAND, w); |
| 648 | } |
| 649 | |
| 650 | static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) |
| 651 | { |
| 652 | int status = QLA_ERROR; |
Vikas Chaudhary | c301b02 | 2010-04-28 11:40:37 +0530 | [diff] [blame] | 653 | unsigned long max_wait_time; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 654 | unsigned long flags; |
| 655 | uint32_t mbox_status; |
| 656 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 657 | ql4_printk(KERN_INFO, ha, "Starting firmware ...\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 658 | |
| 659 | /* |
| 660 | * Start firmware from flash ROM |
| 661 | * |
| 662 | * WORKAROUND: Stuff a non-constant value that the firmware can |
| 663 | * use as a seed for a random number generator in MB7 prior to |
| 664 | * setting BOOT_ENABLE. Fixes problem where the TCP |
| 665 | * connections use the same TCP ports after each reboot, |
| 666 | * causing some connections to not get re-established. |
| 667 | */ |
| 668 | DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n", |
| 669 | ha->host_no, __func__)); |
| 670 | |
| 671 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 672 | writel(jiffies, &ha->reg->mailbox[7]); |
David C Somayajulu | d915058 | 2006-11-15 17:38:40 -0800 | [diff] [blame] | 673 | if (is_qla4022(ha) | is_qla4032(ha)) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 674 | writel(set_rmask(NVR_WRITE_ENABLE), |
| 675 | &ha->reg->u1.isp4022.nvram); |
| 676 | |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 677 | writel(2, &ha->reg->mailbox[6]); |
| 678 | readl(&ha->reg->mailbox[6]); |
| 679 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 680 | writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status); |
| 681 | readl(&ha->reg->ctrl_status); |
| 682 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 683 | |
| 684 | /* Wait for firmware to come UP. */ |
Vikas Chaudhary | c301b02 | 2010-04-28 11:40:37 +0530 | [diff] [blame] | 685 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for " |
| 686 | "boot firmware to complete...\n", |
| 687 | ha->host_no, __func__, FIRMWARE_UP_TOV)); |
| 688 | max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 689 | do { |
| 690 | uint32_t ctrl_status; |
| 691 | |
| 692 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 693 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 694 | mbox_status = readw(&ha->reg->mailbox[0]); |
| 695 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 696 | |
| 697 | if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR)) |
| 698 | break; |
| 699 | if (mbox_status == MBOX_STS_COMMAND_COMPLETE) |
| 700 | break; |
| 701 | |
Vikas Chaudhary | c301b02 | 2010-04-28 11:40:37 +0530 | [diff] [blame] | 702 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot " |
Vikas Chaudhary | f581a3f | 2010-10-06 22:47:48 -0700 | [diff] [blame] | 703 | "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n", |
| 704 | ha->host_no, __func__, ctrl_status, max_wait_time)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 705 | |
Vikas Chaudhary | c301b02 | 2010-04-28 11:40:37 +0530 | [diff] [blame] | 706 | msleep_interruptible(250); |
| 707 | } while (!time_after_eq(jiffies, max_wait_time)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 708 | |
| 709 | if (mbox_status == MBOX_STS_COMMAND_COMPLETE) { |
Vikas Chaudhary | c301b02 | 2010-04-28 11:40:37 +0530 | [diff] [blame] | 710 | DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n", |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 711 | ha->host_no, __func__)); |
| 712 | |
| 713 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 714 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), |
| 715 | &ha->reg->ctrl_status); |
| 716 | readl(&ha->reg->ctrl_status); |
| 717 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 718 | |
| 719 | status = QLA_SUCCESS; |
| 720 | } else { |
| 721 | printk(KERN_INFO "scsi%ld: %s: Boot firmware failed " |
| 722 | "- mbox status 0x%x\n", ha->host_no, __func__, |
| 723 | mbox_status); |
| 724 | status = QLA_ERROR; |
| 725 | } |
| 726 | return status; |
| 727 | } |
| 728 | |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 729 | int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 730 | { |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 731 | #define QL4_LOCK_DRVR_WAIT 60 |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 732 | #define QL4_LOCK_DRVR_SLEEP 1 |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 733 | |
| 734 | int drvr_wait = QL4_LOCK_DRVR_WAIT; |
| 735 | while (drvr_wait) { |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 736 | if (ql4xxx_lock_drvr(a) == 0) { |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 737 | ssleep(QL4_LOCK_DRVR_SLEEP); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 738 | if (drvr_wait) { |
| 739 | DEBUG2(printk("scsi%ld: %s: Waiting for " |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 740 | "Global Init Semaphore(%d)...\n", |
| 741 | a->host_no, |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 742 | __func__, drvr_wait)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 743 | } |
| 744 | drvr_wait -= QL4_LOCK_DRVR_SLEEP; |
| 745 | } else { |
| 746 | DEBUG2(printk("scsi%ld: %s: Global Init Semaphore " |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 747 | "acquired\n", a->host_no, __func__)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 748 | return QLA_SUCCESS; |
| 749 | } |
| 750 | } |
| 751 | return QLA_ERROR; |
| 752 | } |
| 753 | |
| 754 | /** |
| 755 | * qla4xxx_start_firmware - starts qla4xxx firmware |
| 756 | * @ha: Pointer to host adapter structure. |
| 757 | * |
Robert P. J. Day | 3a4fa0a | 2007-10-19 23:10:43 +0200 | [diff] [blame] | 758 | * This routine performs the necessary steps to start the firmware for |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 759 | * the QLA4010 adapter. |
| 760 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 761 | int qla4xxx_start_firmware(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 762 | { |
| 763 | unsigned long flags = 0; |
| 764 | uint32_t mbox_status; |
| 765 | int status = QLA_ERROR; |
| 766 | int soft_reset = 1; |
| 767 | int config_chip = 0; |
| 768 | |
David C Somayajulu | d915058 | 2006-11-15 17:38:40 -0800 | [diff] [blame] | 769 | if (is_qla4022(ha) | is_qla4032(ha)) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 770 | ql4xxx_set_mac_number(ha); |
| 771 | |
| 772 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
| 773 | return QLA_ERROR; |
| 774 | |
| 775 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 776 | |
| 777 | DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no, |
| 778 | __func__, readw(isp_port_ctrl(ha)))); |
| 779 | DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no, |
| 780 | __func__, readw(isp_port_status(ha)))); |
| 781 | |
| 782 | /* Is Hardware already initialized? */ |
| 783 | if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) { |
| 784 | DEBUG(printk("scsi%ld: %s: Hardware has already been " |
| 785 | "initialized\n", ha->host_no, __func__)); |
| 786 | |
| 787 | /* Receive firmware boot acknowledgement */ |
| 788 | mbox_status = readw(&ha->reg->mailbox[0]); |
| 789 | |
| 790 | DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= " |
| 791 | "0x%x\n", ha->host_no, __func__, mbox_status)); |
| 792 | |
| 793 | /* Is firmware already booted? */ |
| 794 | if (mbox_status == 0) { |
| 795 | /* F/W not running, must be config by net driver */ |
| 796 | config_chip = 1; |
| 797 | soft_reset = 0; |
| 798 | } else { |
| 799 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), |
| 800 | &ha->reg->ctrl_status); |
| 801 | readl(&ha->reg->ctrl_status); |
Sarang Radke | 7876499 | 2012-01-11 02:44:18 -0800 | [diff] [blame] | 802 | writel(set_rmask(CSR_SCSI_COMPLETION_INTR), |
| 803 | &ha->reg->ctrl_status); |
| 804 | readl(&ha->reg->ctrl_status); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 805 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 806 | if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { |
| 807 | DEBUG2(printk("scsi%ld: %s: Get firmware " |
| 808 | "state -- state = 0x%x\n", |
| 809 | ha->host_no, |
| 810 | __func__, ha->firmware_state)); |
| 811 | /* F/W is running */ |
| 812 | if (ha->firmware_state & |
| 813 | FW_STATE_CONFIG_WAIT) { |
| 814 | DEBUG2(printk("scsi%ld: %s: Firmware " |
| 815 | "in known state -- " |
| 816 | "config and " |
| 817 | "boot, state = 0x%x\n", |
| 818 | ha->host_no, __func__, |
| 819 | ha->firmware_state)); |
| 820 | config_chip = 1; |
| 821 | soft_reset = 0; |
| 822 | } |
| 823 | } else { |
| 824 | DEBUG2(printk("scsi%ld: %s: Firmware in " |
| 825 | "unknown state -- resetting," |
| 826 | " state = " |
| 827 | "0x%x\n", ha->host_no, __func__, |
| 828 | ha->firmware_state)); |
| 829 | } |
| 830 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 831 | } |
| 832 | } else { |
| 833 | DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been " |
| 834 | "started - resetting\n", ha->host_no, __func__)); |
| 835 | } |
| 836 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 837 | |
| 838 | DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ", |
| 839 | ha->host_no, __func__, soft_reset, config_chip)); |
| 840 | if (soft_reset) { |
| 841 | DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no, |
| 842 | __func__)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 843 | status = qla4xxx_soft_reset(ha); /* NOTE: acquires drvr |
| 844 | * lock again, but ok */ |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 845 | if (status == QLA_ERROR) { |
| 846 | DEBUG(printk("scsi%d: %s: Soft Reset failed!\n", |
| 847 | ha->host_no, __func__)); |
| 848 | ql4xxx_unlock_drvr(ha); |
| 849 | return QLA_ERROR; |
| 850 | } |
| 851 | config_chip = 1; |
| 852 | |
Joe Perches | b1c1181 | 2008-02-03 17:28:22 +0200 | [diff] [blame] | 853 | /* Reset clears the semaphore, so acquire again */ |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 854 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
| 855 | return QLA_ERROR; |
| 856 | } |
| 857 | |
| 858 | if (config_chip) { |
| 859 | if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS) |
| 860 | status = qla4xxx_start_firmware_from_flash(ha); |
| 861 | } |
| 862 | |
| 863 | ql4xxx_unlock_drvr(ha); |
| 864 | if (status == QLA_SUCCESS) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 865 | if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags)) |
| 866 | qla4xxx_get_crash_record(ha); |
| 867 | } else { |
| 868 | DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n", |
| 869 | ha->host_no, __func__)); |
| 870 | } |
| 871 | return status; |
| 872 | } |
Lalit Chandivade | 166dd20 | 2011-10-07 16:55:45 -0700 | [diff] [blame] | 873 | /** |
| 874 | * qla4xxx_free_ddb_index - Free DDBs reserved by firmware |
| 875 | * @ha: pointer to adapter structure |
| 876 | * |
| 877 | * Since firmware is not running in autoconnect mode the DDB indices should |
| 878 | * be freed so that when login happens from user space there are free DDB |
| 879 | * indices available. |
| 880 | **/ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 881 | void qla4xxx_free_ddb_index(struct scsi_qla_host *ha) |
Lalit Chandivade | 166dd20 | 2011-10-07 16:55:45 -0700 | [diff] [blame] | 882 | { |
| 883 | int max_ddbs; |
| 884 | int ret; |
| 885 | uint32_t idx = 0, next_idx = 0; |
| 886 | uint32_t state = 0, conn_err = 0; |
| 887 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 888 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
Lalit Chandivade | 166dd20 | 2011-10-07 16:55:45 -0700 | [diff] [blame] | 889 | MAX_DEV_DB_ENTRIES; |
| 890 | |
| 891 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
| 892 | ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, |
| 893 | &next_idx, &state, &conn_err, |
| 894 | NULL, NULL); |
Tomas Henzl | e1cd89c | 2011-12-01 21:38:42 -0600 | [diff] [blame] | 895 | if (ret == QLA_ERROR) { |
| 896 | next_idx++; |
Lalit Chandivade | 166dd20 | 2011-10-07 16:55:45 -0700 | [diff] [blame] | 897 | continue; |
Tomas Henzl | e1cd89c | 2011-12-01 21:38:42 -0600 | [diff] [blame] | 898 | } |
Lalit Chandivade | 166dd20 | 2011-10-07 16:55:45 -0700 | [diff] [blame] | 899 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || |
| 900 | state == DDB_DS_SESSION_FAILED) { |
| 901 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 902 | "Freeing DDB index = 0x%x\n", idx)); |
| 903 | ret = qla4xxx_clear_ddb_entry(ha, idx); |
| 904 | if (ret == QLA_ERROR) |
| 905 | ql4_printk(KERN_ERR, ha, |
| 906 | "Unable to clear DDB index = " |
| 907 | "0x%x\n", idx); |
| 908 | } |
| 909 | if (next_idx == 0) |
| 910 | break; |
| 911 | } |
| 912 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 913 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 914 | /** |
| 915 | * qla4xxx_initialize_adapter - initiailizes hba |
| 916 | * @ha: Pointer to host adapter structure. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 917 | * |
| 918 | * This routine parforms all of the steps necessary to initialize the adapter. |
| 919 | * |
| 920 | **/ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 921 | int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 922 | { |
| 923 | int status = QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 924 | |
| 925 | ha->eeprom_cmd_data = 0; |
| 926 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 927 | ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n"); |
| 928 | ha->isp_ops->pci_config(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 929 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 930 | ha->isp_ops->disable_intrs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 931 | |
| 932 | /* Initialize the Host adapter request/response queues and firmware */ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 933 | if (ha->isp_ops->start_firmware(ha) == QLA_ERROR) |
David C Somayajulu | 46235e6 | 2007-06-08 17:37:16 -0700 | [diff] [blame] | 934 | goto exit_init_hba; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 935 | |
Vikas Chaudhary | 5c19b92 | 2012-11-23 06:58:38 -0500 | [diff] [blame] | 936 | /* |
| 937 | * For ISP83XX, mailbox and IOCB interrupts are enabled separately. |
| 938 | * Mailbox interrupts must be enabled prior to issuing any mailbox |
| 939 | * command in order to prevent the possibility of losing interrupts |
| 940 | * while switching from polling to interrupt mode. IOCB interrupts are |
| 941 | * enabled via isp_ops->enable_intrs. |
| 942 | */ |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 943 | if (is_qla8032(ha) || is_qla8042(ha)) |
Vikas Chaudhary | 5c19b92 | 2012-11-23 06:58:38 -0500 | [diff] [blame] | 944 | qla4_83xx_enable_mbox_intrs(ha); |
| 945 | |
Harish Zunjarrao | 7ad633c | 2011-05-17 23:17:11 -0700 | [diff] [blame] | 946 | if (qla4xxx_about_firmware(ha) == QLA_ERROR) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 947 | goto exit_init_hba; |
| 948 | |
| 949 | if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR) |
David C Somayajulu | 46235e6 | 2007-06-08 17:37:16 -0700 | [diff] [blame] | 950 | goto exit_init_hba; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 951 | |
Karen Higgins | ff4108d | 2013-01-20 23:50:59 -0500 | [diff] [blame] | 952 | qla4xxx_init_local_data(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 953 | |
| 954 | status = qla4xxx_init_firmware(ha); |
| 955 | if (status == QLA_ERROR) |
David C Somayajulu | 46235e6 | 2007-06-08 17:37:16 -0700 | [diff] [blame] | 956 | goto exit_init_hba; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 957 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 958 | if (is_reset == RESET_ADAPTER) |
| 959 | qla4xxx_build_ddb_list(ha, is_reset); |
Lalit Chandivade | 166dd20 | 2011-10-07 16:55:45 -0700 | [diff] [blame] | 960 | |
David C Somayajulu | 92b7273 | 2007-05-23 17:55:40 -0700 | [diff] [blame] | 961 | set_bit(AF_ONLINE, &ha->flags); |
Vikas Chaudhary | 3710c60 | 2010-10-06 22:49:08 -0700 | [diff] [blame] | 962 | |
Nilesh Javali | 37418cc | 2013-12-16 06:49:31 -0500 | [diff] [blame^] | 963 | exit_init_hba: |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 964 | DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no, |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 965 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 966 | return status; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 967 | } |
| 968 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 969 | int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, |
| 970 | struct ddb_entry *ddb_entry, uint32_t state) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 971 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 972 | uint32_t old_fw_ddb_device_state; |
| 973 | int status = QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 974 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 975 | old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; |
| 976 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 977 | "%s: DDB - old state = 0x%x, new state = 0x%x for " |
| 978 | "index [%d]\n", __func__, |
| 979 | ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 980 | |
| 981 | ddb_entry->fw_ddb_device_state = state; |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 982 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 983 | switch (old_fw_ddb_device_state) { |
| 984 | case DDB_DS_LOGIN_IN_PROCESS: |
| 985 | switch (state) { |
| 986 | case DDB_DS_SESSION_ACTIVE: |
| 987 | case DDB_DS_DISCOVERY: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 988 | qla4xxx_update_session_conn_param(ha, ddb_entry); |
Manish Rangankar | 3d948e2 | 2012-04-23 22:32:33 -0700 | [diff] [blame] | 989 | ddb_entry->unblock_sess(ddb_entry->sess); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 990 | status = QLA_SUCCESS; |
| 991 | break; |
| 992 | case DDB_DS_SESSION_FAILED: |
| 993 | case DDB_DS_NO_CONNECTION_ACTIVE: |
| 994 | iscsi_conn_login_event(ddb_entry->conn, |
| 995 | ISCSI_CONN_STATE_FREE); |
| 996 | status = QLA_SUCCESS; |
| 997 | break; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 998 | } |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 999 | break; |
| 1000 | case DDB_DS_SESSION_ACTIVE: |
Manish Rangankar | 3d948e2 | 2012-04-23 22:32:33 -0700 | [diff] [blame] | 1001 | case DDB_DS_DISCOVERY: |
Manish Rangankar | 736cf36 | 2011-10-07 16:55:46 -0700 | [diff] [blame] | 1002 | switch (state) { |
| 1003 | case DDB_DS_SESSION_FAILED: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1004 | /* |
| 1005 | * iscsi_session failure will cause userspace to |
| 1006 | * stop the connection which in turn would block the |
| 1007 | * iscsi_session and start relogin |
| 1008 | */ |
| 1009 | iscsi_session_failure(ddb_entry->sess->dd_data, |
| 1010 | ISCSI_ERR_CONN_FAILED); |
| 1011 | status = QLA_SUCCESS; |
Manish Rangankar | 736cf36 | 2011-10-07 16:55:46 -0700 | [diff] [blame] | 1012 | break; |
| 1013 | case DDB_DS_NO_CONNECTION_ACTIVE: |
| 1014 | clear_bit(fw_ddb_index, ha->ddb_idx_map); |
| 1015 | status = QLA_SUCCESS; |
| 1016 | break; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1017 | } |
| 1018 | break; |
Manish Rangankar | 98270ab | 2011-10-07 16:55:47 -0700 | [diff] [blame] | 1019 | case DDB_DS_SESSION_FAILED: |
| 1020 | switch (state) { |
| 1021 | case DDB_DS_SESSION_ACTIVE: |
| 1022 | case DDB_DS_DISCOVERY: |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1023 | ddb_entry->unblock_sess(ddb_entry->sess); |
Manish Rangankar | 98270ab | 2011-10-07 16:55:47 -0700 | [diff] [blame] | 1024 | qla4xxx_update_session_conn_param(ha, ddb_entry); |
| 1025 | status = QLA_SUCCESS; |
| 1026 | break; |
| 1027 | case DDB_DS_SESSION_FAILED: |
| 1028 | iscsi_session_failure(ddb_entry->sess->dd_data, |
| 1029 | ISCSI_ERR_CONN_FAILED); |
| 1030 | status = QLA_SUCCESS; |
| 1031 | break; |
| 1032 | } |
| 1033 | break; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1034 | default: |
| 1035 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", |
| 1036 | __func__)); |
| 1037 | break; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1038 | } |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1039 | return status; |
| 1040 | } |
| 1041 | |
| 1042 | void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry) |
| 1043 | { |
| 1044 | /* |
| 1045 | * This triggers a relogin. After the relogin_timer |
| 1046 | * expires, the relogin gets scheduled. We must wait a |
| 1047 | * minimum amount of time since receiving an 0x8014 AEN |
| 1048 | * with failed device_state or a logout response before |
| 1049 | * we can issue another relogin. |
| 1050 | * |
| 1051 | * Firmware pads this timeout: (time2wait +1). |
| 1052 | * Driver retry to login should be longer than F/W. |
| 1053 | * Otherwise F/W will fail |
| 1054 | * set_ddb() mbx cmd with 0x4005 since it still |
| 1055 | * counting down its time2wait. |
| 1056 | */ |
| 1057 | atomic_set(&ddb_entry->relogin_timer, 0); |
| 1058 | atomic_set(&ddb_entry->retry_relogin_timer, |
| 1059 | ddb_entry->default_time2wait + 4); |
| 1060 | |
| 1061 | } |
| 1062 | |
| 1063 | int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, |
| 1064 | struct ddb_entry *ddb_entry, uint32_t state) |
| 1065 | { |
| 1066 | uint32_t old_fw_ddb_device_state; |
| 1067 | int status = QLA_ERROR; |
| 1068 | |
| 1069 | old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; |
| 1070 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 1071 | "%s: DDB - old state = 0x%x, new state = 0x%x for " |
| 1072 | "index [%d]\n", __func__, |
| 1073 | ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); |
| 1074 | |
| 1075 | ddb_entry->fw_ddb_device_state = state; |
| 1076 | |
| 1077 | switch (old_fw_ddb_device_state) { |
| 1078 | case DDB_DS_LOGIN_IN_PROCESS: |
| 1079 | case DDB_DS_NO_CONNECTION_ACTIVE: |
| 1080 | switch (state) { |
| 1081 | case DDB_DS_SESSION_ACTIVE: |
| 1082 | ddb_entry->unblock_sess(ddb_entry->sess); |
| 1083 | qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); |
| 1084 | status = QLA_SUCCESS; |
| 1085 | break; |
| 1086 | case DDB_DS_SESSION_FAILED: |
| 1087 | iscsi_block_session(ddb_entry->sess); |
| 1088 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) |
| 1089 | qla4xxx_arm_relogin_timer(ddb_entry); |
| 1090 | status = QLA_SUCCESS; |
| 1091 | break; |
| 1092 | } |
| 1093 | break; |
| 1094 | case DDB_DS_SESSION_ACTIVE: |
| 1095 | switch (state) { |
| 1096 | case DDB_DS_SESSION_FAILED: |
| 1097 | iscsi_block_session(ddb_entry->sess); |
| 1098 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) |
| 1099 | qla4xxx_arm_relogin_timer(ddb_entry); |
| 1100 | status = QLA_SUCCESS; |
| 1101 | break; |
| 1102 | } |
| 1103 | break; |
| 1104 | case DDB_DS_SESSION_FAILED: |
| 1105 | switch (state) { |
| 1106 | case DDB_DS_SESSION_ACTIVE: |
| 1107 | ddb_entry->unblock_sess(ddb_entry->sess); |
| 1108 | qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry); |
| 1109 | status = QLA_SUCCESS; |
| 1110 | break; |
| 1111 | case DDB_DS_SESSION_FAILED: |
| 1112 | if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) |
| 1113 | qla4xxx_arm_relogin_timer(ddb_entry); |
| 1114 | status = QLA_SUCCESS; |
| 1115 | break; |
| 1116 | } |
| 1117 | break; |
| 1118 | default: |
| 1119 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", |
| 1120 | __func__)); |
| 1121 | break; |
| 1122 | } |
| 1123 | return status; |
| 1124 | } |
| 1125 | |
| 1126 | /** |
| 1127 | * qla4xxx_process_ddb_changed - process ddb state change |
| 1128 | * @ha - Pointer to host adapter structure. |
| 1129 | * @fw_ddb_index - Firmware's device database index |
| 1130 | * @state - Device state |
| 1131 | * |
| 1132 | * This routine processes a Decive Database Changed AEN Event. |
| 1133 | **/ |
| 1134 | int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, |
| 1135 | uint32_t fw_ddb_index, |
| 1136 | uint32_t state, uint32_t conn_err) |
| 1137 | { |
| 1138 | struct ddb_entry *ddb_entry; |
| 1139 | int status = QLA_ERROR; |
| 1140 | |
| 1141 | /* check for out of range index */ |
| 1142 | if (fw_ddb_index >= MAX_DDB_ENTRIES) |
| 1143 | goto exit_ddb_event; |
| 1144 | |
| 1145 | /* Get the corresponging ddb entry */ |
| 1146 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); |
| 1147 | /* Device does not currently exist in our database. */ |
| 1148 | if (ddb_entry == NULL) { |
| 1149 | ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n", |
| 1150 | __func__, fw_ddb_index); |
| 1151 | |
| 1152 | if (state == DDB_DS_NO_CONNECTION_ACTIVE) |
| 1153 | clear_bit(fw_ddb_index, ha->ddb_idx_map); |
| 1154 | |
| 1155 | goto exit_ddb_event; |
| 1156 | } |
| 1157 | |
| 1158 | ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1159 | |
| 1160 | exit_ddb_event: |
| 1161 | return status; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1162 | } |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1163 | |
| 1164 | /** |
| 1165 | * qla4xxx_login_flash_ddb - Login to target (DDB) |
| 1166 | * @cls_session: Pointer to the session to login |
| 1167 | * |
| 1168 | * This routine logins to the target. |
| 1169 | * Issues setddb and conn open mbx |
| 1170 | **/ |
| 1171 | void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session) |
| 1172 | { |
| 1173 | struct iscsi_session *sess; |
| 1174 | struct ddb_entry *ddb_entry; |
| 1175 | struct scsi_qla_host *ha; |
| 1176 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 1177 | dma_addr_t fw_ddb_dma; |
| 1178 | uint32_t mbx_sts = 0; |
| 1179 | int ret; |
| 1180 | |
| 1181 | sess = cls_session->dd_data; |
| 1182 | ddb_entry = sess->dd_data; |
| 1183 | ha = ddb_entry->ha; |
| 1184 | |
| 1185 | if (!test_bit(AF_LINK_UP, &ha->flags)) |
| 1186 | return; |
| 1187 | |
| 1188 | if (ddb_entry->ddb_type != FLASH_DDB) { |
| 1189 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 1190 | "Skipping login to non FLASH DB")); |
| 1191 | goto exit_login; |
| 1192 | } |
| 1193 | |
| 1194 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 1195 | &fw_ddb_dma); |
| 1196 | if (fw_ddb_entry == NULL) { |
| 1197 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); |
| 1198 | goto exit_login; |
| 1199 | } |
| 1200 | |
| 1201 | if (ddb_entry->fw_ddb_index == INVALID_ENTRY) { |
| 1202 | ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index); |
| 1203 | if (ret == QLA_ERROR) |
| 1204 | goto exit_login; |
| 1205 | |
| 1206 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; |
| 1207 | ha->tot_ddbs++; |
| 1208 | } |
| 1209 | |
| 1210 | memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry, |
| 1211 | sizeof(struct dev_db_entry)); |
| 1212 | ddb_entry->sess->target_id = ddb_entry->fw_ddb_index; |
| 1213 | |
| 1214 | ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, |
| 1215 | fw_ddb_dma, &mbx_sts); |
| 1216 | if (ret == QLA_ERROR) { |
| 1217 | DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n")); |
| 1218 | goto exit_login; |
| 1219 | } |
| 1220 | |
| 1221 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; |
| 1222 | ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); |
| 1223 | if (ret == QLA_ERROR) { |
| 1224 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, |
| 1225 | sess->targetname); |
| 1226 | goto exit_login; |
| 1227 | } |
| 1228 | |
| 1229 | exit_login: |
| 1230 | if (fw_ddb_entry) |
| 1231 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); |
| 1232 | } |
| 1233 | |