1 /* 2 * QLogic iSCSI HBA Driver 3 * Copyright (c) 2003-2013 QLogic Corporation 4 * 5 * See LICENSE.qla4xxx for copyright and licensing details. 6 */ 7 8 #include <linux/ctype.h> 9 #include "ql4_def.h" 10 #include "ql4_glbl.h" 11 #include "ql4_dbg.h" 12 #include "ql4_inline.h" 13 #include "ql4_version.h" 14 15 void qla4xxx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd, 16 int in_count) 17 { 18 int i; 19 20 /* Load all mailbox registers, except mailbox 0. */ 21 for (i = 1; i < in_count; i++) 22 writel(mbx_cmd[i], &ha->reg->mailbox[i]); 23 24 /* Wakeup firmware */ 25 writel(mbx_cmd[0], &ha->reg->mailbox[0]); 26 readl(&ha->reg->mailbox[0]); 27 writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status); 28 readl(&ha->reg->ctrl_status); 29 } 30 31 void qla4xxx_process_mbox_intr(struct scsi_qla_host *ha, int out_count) 32 { 33 int intr_status; 34 35 intr_status = readl(&ha->reg->ctrl_status); 36 if (intr_status & INTR_PENDING) { 37 /* 38 * Service the interrupt. 39 * The ISR will save the mailbox status registers 40 * to a temporary storage location in the adapter structure. 41 */ 42 ha->mbox_status_count = out_count; 43 ha->isp_ops->interrupt_service_routine(ha, intr_status); 44 } 45 } 46 47 /** 48 * qla4xxx_is_intr_poll_mode – Are we allowed to poll for interrupts? 49 * @ha: Pointer to host adapter structure. 50 * @ret: 1=polling mode, 0=non-polling mode 51 **/ 52 static int qla4xxx_is_intr_poll_mode(struct scsi_qla_host *ha) 53 { 54 int rval = 1; 55 56 if (is_qla8032(ha) || is_qla8042(ha)) { 57 if (test_bit(AF_IRQ_ATTACHED, &ha->flags) && 58 test_bit(AF_83XX_MBOX_INTR_ON, &ha->flags)) 59 rval = 0; 60 } else { 61 if (test_bit(AF_IRQ_ATTACHED, &ha->flags) && 62 test_bit(AF_INTERRUPTS_ON, &ha->flags) && 63 test_bit(AF_ONLINE, &ha->flags) && 64 !test_bit(AF_HA_REMOVAL, &ha->flags)) 65 rval = 0; 66 } 67 68 return rval; 69 } 70 71 /** 72 * qla4xxx_mailbox_command - issues mailbox commands 73 * @ha: Pointer to host adapter structure. 74 * @inCount: number of mailbox registers to load. 75 * @outCount: number of mailbox registers to return. 76 * @mbx_cmd: data pointer for mailbox in registers. 77 * @mbx_sts: data pointer for mailbox out registers. 78 * 79 * This routine issue mailbox commands and waits for completion. 80 * If outCount is 0, this routine completes successfully WITHOUT waiting 81 * for the mailbox command to complete. 82 **/ 83 int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, 84 uint8_t outCount, uint32_t *mbx_cmd, 85 uint32_t *mbx_sts) 86 { 87 int status = QLA_ERROR; 88 uint8_t i; 89 u_long wait_count; 90 unsigned long flags = 0; 91 uint32_t dev_state; 92 93 /* Make sure that pointers are valid */ 94 if (!mbx_cmd || !mbx_sts) { 95 DEBUG2(printk("scsi%ld: %s: Invalid mbx_cmd or mbx_sts " 96 "pointer\n", ha->host_no, __func__)); 97 return status; 98 } 99 100 if (is_qla40XX(ha)) { 101 if (test_bit(AF_HA_REMOVAL, &ha->flags)) { 102 DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: " 103 "prematurely completing mbx cmd as " 104 "adapter removal detected\n", 105 ha->host_no, __func__)); 106 return status; 107 } 108 } 109 110 if ((is_aer_supported(ha)) && 111 (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) { 112 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, " 113 "timeout MBX Exiting.\n", ha->host_no, __func__)); 114 return status; 115 } 116 117 /* Mailbox code active */ 118 wait_count = MBOX_TOV * 100; 119 120 while (wait_count--) { 121 mutex_lock(&ha->mbox_sem); 122 if (!test_bit(AF_MBOX_COMMAND, &ha->flags)) { 123 set_bit(AF_MBOX_COMMAND, &ha->flags); 124 mutex_unlock(&ha->mbox_sem); 125 break; 126 } 127 mutex_unlock(&ha->mbox_sem); 128 if (!wait_count) { 129 DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n", 130 ha->host_no, __func__)); 131 return status; 132 } 133 msleep(10); 134 } 135 136 if (is_qla80XX(ha)) { 137 if (test_bit(AF_FW_RECOVERY, &ha->flags)) { 138 DEBUG2(ql4_printk(KERN_WARNING, ha, 139 "scsi%ld: %s: prematurely completing mbx cmd as firmware recovery detected\n", 140 ha->host_no, __func__)); 141 goto mbox_exit; 142 } 143 /* Do not send any mbx cmd if h/w is in failed state*/ 144 ha->isp_ops->idc_lock(ha); 145 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 146 ha->isp_ops->idc_unlock(ha); 147 if (dev_state == QLA8XXX_DEV_FAILED) { 148 ql4_printk(KERN_WARNING, ha, 149 "scsi%ld: %s: H/W is in failed state, do not send any mailbox commands\n", 150 ha->host_no, __func__); 151 goto mbox_exit; 152 } 153 } 154 155 spin_lock_irqsave(&ha->hardware_lock, flags); 156 157 ha->mbox_status_count = outCount; 158 for (i = 0; i < outCount; i++) 159 ha->mbox_status[i] = 0; 160 161 /* Queue the mailbox command to the firmware */ 162 ha->isp_ops->queue_mailbox_command(ha, mbx_cmd, inCount); 163 164 spin_unlock_irqrestore(&ha->hardware_lock, flags); 165 166 /* Wait for completion */ 167 168 /* 169 * If we don't want status, don't wait for the mailbox command to 170 * complete. For example, MBOX_CMD_RESET_FW doesn't return status, 171 * you must poll the inbound Interrupt Mask for completion. 172 */ 173 if (outCount == 0) { 174 status = QLA_SUCCESS; 175 goto mbox_exit; 176 } 177 178 /* 179 * Wait for completion: Poll or completion queue 180 */ 181 if (qla4xxx_is_intr_poll_mode(ha)) { 182 /* Poll for command to complete */ 183 wait_count = jiffies + MBOX_TOV * HZ; 184 while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) { 185 if (time_after_eq(jiffies, wait_count)) 186 break; 187 /* 188 * Service the interrupt. 189 * The ISR will save the mailbox status registers 190 * to a temporary storage location in the adapter 191 * structure. 192 */ 193 spin_lock_irqsave(&ha->hardware_lock, flags); 194 ha->isp_ops->process_mailbox_interrupt(ha, outCount); 195 spin_unlock_irqrestore(&ha->hardware_lock, flags); 196 msleep(10); 197 } 198 } else { 199 /* Do not poll for completion. Use completion queue */ 200 set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags); 201 wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ); 202 clear_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags); 203 } 204 205 /* Check for mailbox timeout. */ 206 if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) { 207 if (is_qla80XX(ha) && 208 test_bit(AF_FW_RECOVERY, &ha->flags)) { 209 DEBUG2(ql4_printk(KERN_INFO, ha, 210 "scsi%ld: %s: prematurely completing mbx cmd as " 211 "firmware recovery detected\n", 212 ha->host_no, __func__)); 213 goto mbox_exit; 214 } 215 DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...," 216 " Scheduling Adapter Reset\n", ha->host_no, 217 mbx_cmd[0])); 218 ha->mailbox_timeout_count++; 219 mbx_sts[0] = (-1); 220 set_bit(DPC_RESET_HA, &ha->dpc_flags); 221 if (is_qla8022(ha)) { 222 ql4_printk(KERN_INFO, ha, 223 "disabling pause transmit on port 0 & 1.\n"); 224 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 225 CRB_NIU_XG_PAUSE_CTL_P0 | 226 CRB_NIU_XG_PAUSE_CTL_P1); 227 } else if (is_qla8032(ha) || is_qla8042(ha)) { 228 ql4_printk(KERN_INFO, ha, " %s: disabling pause transmit on port 0 & 1.\n", 229 __func__); 230 qla4_83xx_disable_pause(ha); 231 } 232 goto mbox_exit; 233 } 234 235 /* 236 * Copy the mailbox out registers to the caller's mailbox in/out 237 * structure. 238 */ 239 spin_lock_irqsave(&ha->hardware_lock, flags); 240 for (i = 0; i < outCount; i++) 241 mbx_sts[i] = ha->mbox_status[i]; 242 243 /* Set return status and error flags (if applicable). */ 244 switch (ha->mbox_status[0]) { 245 case MBOX_STS_COMMAND_COMPLETE: 246 status = QLA_SUCCESS; 247 break; 248 249 case MBOX_STS_INTERMEDIATE_COMPLETION: 250 status = QLA_SUCCESS; 251 break; 252 253 case MBOX_STS_BUSY: 254 DEBUG2( printk("scsi%ld: %s: Cmd = %08X, ISP BUSY\n", 255 ha->host_no, __func__, mbx_cmd[0])); 256 ha->mailbox_timeout_count++; 257 break; 258 259 default: 260 DEBUG2(printk("scsi%ld: %s: **** FAILED, cmd = %08X, " 261 "sts = %08X ****\n", ha->host_no, __func__, 262 mbx_cmd[0], mbx_sts[0])); 263 break; 264 } 265 spin_unlock_irqrestore(&ha->hardware_lock, flags); 266 267 mbox_exit: 268 mutex_lock(&ha->mbox_sem); 269 clear_bit(AF_MBOX_COMMAND, &ha->flags); 270 mutex_unlock(&ha->mbox_sem); 271 clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags); 272 273 return status; 274 } 275 276 /** 277 * qla4xxx_get_minidump_template - Get the firmware template 278 * @ha: Pointer to host adapter structure. 279 * @phys_addr: dma address for template 280 * 281 * Obtain the minidump template from firmware during initialization 282 * as it may not be available when minidump is desired. 283 **/ 284 int qla4xxx_get_minidump_template(struct scsi_qla_host *ha, 285 dma_addr_t phys_addr) 286 { 287 uint32_t mbox_cmd[MBOX_REG_COUNT]; 288 uint32_t mbox_sts[MBOX_REG_COUNT]; 289 int status; 290 291 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 292 memset(&mbox_sts, 0, sizeof(mbox_sts)); 293 294 mbox_cmd[0] = MBOX_CMD_MINIDUMP; 295 mbox_cmd[1] = MINIDUMP_GET_TMPLT_SUBCOMMAND; 296 mbox_cmd[2] = LSDW(phys_addr); 297 mbox_cmd[3] = MSDW(phys_addr); 298 mbox_cmd[4] = ha->fw_dump_tmplt_size; 299 mbox_cmd[5] = 0; 300 301 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], 302 &mbox_sts[0]); 303 if (status != QLA_SUCCESS) { 304 DEBUG2(ql4_printk(KERN_INFO, ha, 305 "scsi%ld: %s: Cmd = %08X, mbx[0] = 0x%04x, mbx[1] = 0x%04x\n", 306 ha->host_no, __func__, mbox_cmd[0], 307 mbox_sts[0], mbox_sts[1])); 308 } 309 return status; 310 } 311 312 /** 313 * qla4xxx_req_template_size - Get minidump template size from firmware. 314 * @ha: Pointer to host adapter structure. 315 **/ 316 int qla4xxx_req_template_size(struct scsi_qla_host *ha) 317 { 318 uint32_t mbox_cmd[MBOX_REG_COUNT]; 319 uint32_t mbox_sts[MBOX_REG_COUNT]; 320 int status; 321 322 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 323 memset(&mbox_sts, 0, sizeof(mbox_sts)); 324 325 mbox_cmd[0] = MBOX_CMD_MINIDUMP; 326 mbox_cmd[1] = MINIDUMP_GET_SIZE_SUBCOMMAND; 327 328 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0], 329 &mbox_sts[0]); 330 if (status == QLA_SUCCESS) { 331 ha->fw_dump_tmplt_size = mbox_sts[1]; 332 DEBUG2(ql4_printk(KERN_INFO, ha, 333 "%s: sts[0]=0x%04x, template size=0x%04x, size_cm_02=0x%04x, size_cm_04=0x%04x, size_cm_08=0x%04x, size_cm_10=0x%04x, size_cm_FF=0x%04x, version=0x%04x\n", 334 __func__, mbox_sts[0], mbox_sts[1], 335 mbox_sts[2], mbox_sts[3], mbox_sts[4], 336 mbox_sts[5], mbox_sts[6], mbox_sts[7])); 337 if (ha->fw_dump_tmplt_size == 0) 338 status = QLA_ERROR; 339 } else { 340 ql4_printk(KERN_WARNING, ha, 341 "%s: Error sts[0]=0x%04x, mbx[1]=0x%04x\n", 342 __func__, mbox_sts[0], mbox_sts[1]); 343 status = QLA_ERROR; 344 } 345 346 return status; 347 } 348 349 void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha) 350 { 351 set_bit(AF_FW_RECOVERY, &ha->flags); 352 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n", 353 ha->host_no, __func__); 354 355 if (test_bit(AF_MBOX_COMMAND, &ha->flags)) { 356 if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) { 357 complete(&ha->mbx_intr_comp); 358 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw " 359 "recovery, doing premature completion of " 360 "mbx cmd\n", ha->host_no, __func__); 361 362 } else { 363 set_bit(AF_MBOX_COMMAND_DONE, &ha->flags); 364 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw " 365 "recovery, doing premature completion of " 366 "polling mbx cmd\n", ha->host_no, __func__); 367 } 368 } 369 } 370 371 static uint8_t 372 qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, 373 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma) 374 { 375 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT); 376 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT); 377 378 if (is_qla8022(ha)) 379 qla4_82xx_wr_32(ha, ha->nx_db_wr_ptr, 0); 380 381 mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE; 382 mbox_cmd[1] = 0; 383 mbox_cmd[2] = LSDW(init_fw_cb_dma); 384 mbox_cmd[3] = MSDW(init_fw_cb_dma); 385 mbox_cmd[4] = sizeof(struct addr_ctrl_blk); 386 mbox_cmd[5] = (IFCB_VER_MAX << 8) | IFCB_VER_MIN; 387 388 if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) != 389 QLA_SUCCESS) { 390 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: " 391 "MBOX_CMD_INITIALIZE_FIRMWARE" 392 " failed w/ status %04X\n", 393 ha->host_no, __func__, mbox_sts[0])); 394 return QLA_ERROR; 395 } 396 return QLA_SUCCESS; 397 } 398 399 uint8_t 400 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, 401 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma) 402 { 403 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT); 404 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT); 405 mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK; 406 mbox_cmd[2] = LSDW(init_fw_cb_dma); 407 mbox_cmd[3] = MSDW(init_fw_cb_dma); 408 mbox_cmd[4] = sizeof(struct addr_ctrl_blk); 409 410 if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) != 411 QLA_SUCCESS) { 412 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: " 413 "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK" 414 " failed w/ status %04X\n", 415 ha->host_no, __func__, mbox_sts[0])); 416 return QLA_ERROR; 417 } 418 return QLA_SUCCESS; 419 } 420 421 uint8_t qla4xxx_set_ipaddr_state(uint8_t fw_ipaddr_state) 422 { 423 uint8_t ipaddr_state; 424 425 switch (fw_ipaddr_state) { 426 case IP_ADDRSTATE_UNCONFIGURED: 427 ipaddr_state = ISCSI_IPDDRESS_STATE_UNCONFIGURED; 428 break; 429 case IP_ADDRSTATE_INVALID: 430 ipaddr_state = ISCSI_IPDDRESS_STATE_INVALID; 431 break; 432 case IP_ADDRSTATE_ACQUIRING: 433 ipaddr_state = ISCSI_IPDDRESS_STATE_ACQUIRING; 434 break; 435 case IP_ADDRSTATE_TENTATIVE: 436 ipaddr_state = ISCSI_IPDDRESS_STATE_TENTATIVE; 437 break; 438 case IP_ADDRSTATE_DEPRICATED: 439 ipaddr_state = ISCSI_IPDDRESS_STATE_DEPRECATED; 440 break; 441 case IP_ADDRSTATE_PREFERRED: 442 ipaddr_state = ISCSI_IPDDRESS_STATE_VALID; 443 break; 444 case IP_ADDRSTATE_DISABLING: 445 ipaddr_state = ISCSI_IPDDRESS_STATE_DISABLING; 446 break; 447 default: 448 ipaddr_state = ISCSI_IPDDRESS_STATE_UNCONFIGURED; 449 } 450 return ipaddr_state; 451 } 452 453 static void 454 qla4xxx_update_local_ip(struct scsi_qla_host *ha, 455 struct addr_ctrl_blk *init_fw_cb) 456 { 457 ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts); 458 ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts); 459 ha->ip_config.ipv4_addr_state = 460 qla4xxx_set_ipaddr_state(init_fw_cb->ipv4_addr_state); 461 ha->ip_config.eth_mtu_size = 462 le16_to_cpu(init_fw_cb->eth_mtu_size); 463 ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port); 464 465 if (ha->acb_version == ACB_SUPPORTED) { 466 ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts); 467 ha->ip_config.ipv6_addl_options = 468 le16_to_cpu(init_fw_cb->ipv6_addtl_opts); 469 ha->ip_config.ipv6_tcp_options = 470 le16_to_cpu(init_fw_cb->ipv6_tcp_opts); 471 } 472 473 /* Save IPv4 Address Info */ 474 memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr, 475 min(sizeof(ha->ip_config.ip_address), 476 sizeof(init_fw_cb->ipv4_addr))); 477 memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet, 478 min(sizeof(ha->ip_config.subnet_mask), 479 sizeof(init_fw_cb->ipv4_subnet))); 480 memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr, 481 min(sizeof(ha->ip_config.gateway), 482 sizeof(init_fw_cb->ipv4_gw_addr))); 483 484 ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag); 485 ha->ip_config.control = init_fw_cb->control; 486 ha->ip_config.tcp_wsf = init_fw_cb->ipv4_tcp_wsf; 487 ha->ip_config.ipv4_tos = init_fw_cb->ipv4_tos; 488 ha->ip_config.ipv4_cache_id = init_fw_cb->ipv4_cacheid; 489 ha->ip_config.ipv4_alt_cid_len = init_fw_cb->ipv4_dhcp_alt_cid_len; 490 memcpy(ha->ip_config.ipv4_alt_cid, init_fw_cb->ipv4_dhcp_alt_cid, 491 min(sizeof(ha->ip_config.ipv4_alt_cid), 492 sizeof(init_fw_cb->ipv4_dhcp_alt_cid))); 493 ha->ip_config.ipv4_vid_len = init_fw_cb->ipv4_dhcp_vid_len; 494 memcpy(ha->ip_config.ipv4_vid, init_fw_cb->ipv4_dhcp_vid, 495 min(sizeof(ha->ip_config.ipv4_vid), 496 sizeof(init_fw_cb->ipv4_dhcp_vid))); 497 ha->ip_config.ipv4_ttl = init_fw_cb->ipv4_ttl; 498 ha->ip_config.def_timeout = le16_to_cpu(init_fw_cb->def_timeout); 499 ha->ip_config.abort_timer = init_fw_cb->abort_timer; 500 ha->ip_config.iscsi_options = le16_to_cpu(init_fw_cb->iscsi_opts); 501 ha->ip_config.iscsi_max_pdu_size = 502 le16_to_cpu(init_fw_cb->iscsi_max_pdu_size); 503 ha->ip_config.iscsi_first_burst_len = 504 le16_to_cpu(init_fw_cb->iscsi_fburst_len); 505 ha->ip_config.iscsi_max_outstnd_r2t = 506 le16_to_cpu(init_fw_cb->iscsi_max_outstnd_r2t); 507 ha->ip_config.iscsi_max_burst_len = 508 le16_to_cpu(init_fw_cb->iscsi_max_burst_len); 509 memcpy(ha->ip_config.iscsi_name, init_fw_cb->iscsi_name, 510 min(sizeof(ha->ip_config.iscsi_name), 511 sizeof(init_fw_cb->iscsi_name))); 512 513 if (is_ipv6_enabled(ha)) { 514 /* Save IPv6 Address */ 515 ha->ip_config.ipv6_link_local_state = 516 qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_lnk_lcl_addr_state); 517 ha->ip_config.ipv6_addr0_state = 518 qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_addr0_state); 519 ha->ip_config.ipv6_addr1_state = 520 qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_addr1_state); 521 522 switch (le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state)) { 523 case IPV6_RTRSTATE_UNKNOWN: 524 ha->ip_config.ipv6_default_router_state = 525 ISCSI_ROUTER_STATE_UNKNOWN; 526 break; 527 case IPV6_RTRSTATE_MANUAL: 528 ha->ip_config.ipv6_default_router_state = 529 ISCSI_ROUTER_STATE_MANUAL; 530 break; 531 case IPV6_RTRSTATE_ADVERTISED: 532 ha->ip_config.ipv6_default_router_state = 533 ISCSI_ROUTER_STATE_ADVERTISED; 534 break; 535 case IPV6_RTRSTATE_STALE: 536 ha->ip_config.ipv6_default_router_state = 537 ISCSI_ROUTER_STATE_STALE; 538 break; 539 default: 540 ha->ip_config.ipv6_default_router_state = 541 ISCSI_ROUTER_STATE_UNKNOWN; 542 } 543 544 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE; 545 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80; 546 547 memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8], 548 init_fw_cb->ipv6_if_id, 549 min(sizeof(ha->ip_config.ipv6_link_local_addr)/2, 550 sizeof(init_fw_cb->ipv6_if_id))); 551 memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0, 552 min(sizeof(ha->ip_config.ipv6_addr0), 553 sizeof(init_fw_cb->ipv6_addr0))); 554 memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1, 555 min(sizeof(ha->ip_config.ipv6_addr1), 556 sizeof(init_fw_cb->ipv6_addr1))); 557 memcpy(&ha->ip_config.ipv6_default_router_addr, 558 init_fw_cb->ipv6_dflt_rtr_addr, 559 min(sizeof(ha->ip_config.ipv6_default_router_addr), 560 sizeof(init_fw_cb->ipv6_dflt_rtr_addr))); 561 ha->ip_config.ipv6_vlan_tag = 562 be16_to_cpu(init_fw_cb->ipv6_vlan_tag); 563 ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port); 564 ha->ip_config.ipv6_cache_id = init_fw_cb->ipv6_cache_id; 565 ha->ip_config.ipv6_flow_lbl = 566 le16_to_cpu(init_fw_cb->ipv6_flow_lbl); 567 ha->ip_config.ipv6_traffic_class = 568 init_fw_cb->ipv6_traffic_class; 569 ha->ip_config.ipv6_hop_limit = init_fw_cb->ipv6_hop_limit; 570 ha->ip_config.ipv6_nd_reach_time = 571 le32_to_cpu(init_fw_cb->ipv6_nd_reach_time); 572 ha->ip_config.ipv6_nd_rexmit_timer = 573 le32_to_cpu(init_fw_cb->ipv6_nd_rexmit_timer); 574 ha->ip_config.ipv6_nd_stale_timeout = 575 le32_to_cpu(init_fw_cb->ipv6_nd_stale_timeout); 576 ha->ip_config.ipv6_dup_addr_detect_count = 577 init_fw_cb->ipv6_dup_addr_detect_count; 578 ha->ip_config.ipv6_gw_advrt_mtu = 579 le32_to_cpu(init_fw_cb->ipv6_gw_advrt_mtu); 580 ha->ip_config.ipv6_tcp_wsf = init_fw_cb->ipv6_tcp_wsf; 581 } 582 } 583 584 uint8_t 585 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha, 586 uint32_t *mbox_cmd, 587 uint32_t *mbox_sts, 588 struct addr_ctrl_blk *init_fw_cb, 589 dma_addr_t init_fw_cb_dma) 590 { 591 if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma) 592 != QLA_SUCCESS) { 593 DEBUG2(printk(KERN_WARNING 594 "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n", 595 ha->host_no, __func__)); 596 return QLA_ERROR; 597 } 598 599 DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk))); 600 601 /* Save some info in adapter structure. */ 602 ha->acb_version = init_fw_cb->acb_version; 603 ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options); 604 ha->heartbeat_interval = init_fw_cb->hb_interval; 605 memcpy(ha->name_string, init_fw_cb->iscsi_name, 606 min(sizeof(ha->name_string), 607 sizeof(init_fw_cb->iscsi_name))); 608 ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout); 609 /*memcpy(ha->alias, init_fw_cb->Alias, 610 min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/ 611 612 qla4xxx_update_local_ip(ha, init_fw_cb); 613 614 return QLA_SUCCESS; 615 } 616 617 /** 618 * qla4xxx_initialize_fw_cb - initializes firmware control block. 619 * @ha: Pointer to host adapter structure. 620 **/ 621 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha) 622 { 623 struct addr_ctrl_blk *init_fw_cb; 624 dma_addr_t init_fw_cb_dma; 625 uint32_t mbox_cmd[MBOX_REG_COUNT]; 626 uint32_t mbox_sts[MBOX_REG_COUNT]; 627 int status = QLA_ERROR; 628 629 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 630 sizeof(struct addr_ctrl_blk), 631 &init_fw_cb_dma, GFP_KERNEL); 632 if (init_fw_cb == NULL) { 633 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n", 634 ha->host_no, __func__)); 635 goto exit_init_fw_cb_no_free; 636 } 637 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 638 639 /* Get Initialize Firmware Control Block. */ 640 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 641 memset(&mbox_sts, 0, sizeof(mbox_sts)); 642 643 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) != 644 QLA_SUCCESS) { 645 dma_free_coherent(&ha->pdev->dev, 646 sizeof(struct addr_ctrl_blk), 647 init_fw_cb, init_fw_cb_dma); 648 goto exit_init_fw_cb; 649 } 650 651 /* Initialize request and response queues. */ 652 qla4xxx_init_rings(ha); 653 654 /* Fill in the request and response queue information. */ 655 init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out); 656 init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in); 657 init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH); 658 init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH); 659 init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma)); 660 init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma)); 661 init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma)); 662 init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma)); 663 init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma)); 664 init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma)); 665 666 /* Set up required options. */ 667 init_fw_cb->fw_options |= 668 __constant_cpu_to_le16(FWOPT_SESSION_MODE | 669 FWOPT_INITIATOR_MODE); 670 671 if (is_qla80XX(ha)) 672 init_fw_cb->fw_options |= 673 __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB); 674 675 init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE); 676 677 init_fw_cb->add_fw_options = 0; 678 init_fw_cb->add_fw_options |= 679 __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT); 680 init_fw_cb->add_fw_options |= 681 __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE); 682 683 if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) 684 != QLA_SUCCESS) { 685 DEBUG2(printk(KERN_WARNING 686 "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n", 687 ha->host_no, __func__)); 688 goto exit_init_fw_cb; 689 } 690 691 if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], 692 init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) { 693 DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n", 694 ha->host_no, __func__)); 695 goto exit_init_fw_cb; 696 } 697 status = QLA_SUCCESS; 698 699 exit_init_fw_cb: 700 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 701 init_fw_cb, init_fw_cb_dma); 702 exit_init_fw_cb_no_free: 703 return status; 704 } 705 706 /** 707 * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP 708 * @ha: Pointer to host adapter structure. 709 **/ 710 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha) 711 { 712 struct addr_ctrl_blk *init_fw_cb; 713 dma_addr_t init_fw_cb_dma; 714 uint32_t mbox_cmd[MBOX_REG_COUNT]; 715 uint32_t mbox_sts[MBOX_REG_COUNT]; 716 717 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 718 sizeof(struct addr_ctrl_blk), 719 &init_fw_cb_dma, GFP_KERNEL); 720 if (init_fw_cb == NULL) { 721 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no, 722 __func__); 723 return QLA_ERROR; 724 } 725 726 /* Get Initialize Firmware Control Block. */ 727 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 728 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) != 729 QLA_SUCCESS) { 730 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n", 731 ha->host_no, __func__)); 732 dma_free_coherent(&ha->pdev->dev, 733 sizeof(struct addr_ctrl_blk), 734 init_fw_cb, init_fw_cb_dma); 735 return QLA_ERROR; 736 } 737 738 /* Save IP Address. */ 739 qla4xxx_update_local_ip(ha, init_fw_cb); 740 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 741 init_fw_cb, init_fw_cb_dma); 742 743 return QLA_SUCCESS; 744 } 745 746 /** 747 * qla4xxx_get_firmware_state - gets firmware state of HBA 748 * @ha: Pointer to host adapter structure. 749 **/ 750 int qla4xxx_get_firmware_state(struct scsi_qla_host * ha) 751 { 752 uint32_t mbox_cmd[MBOX_REG_COUNT]; 753 uint32_t mbox_sts[MBOX_REG_COUNT]; 754 755 /* Get firmware version */ 756 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 757 memset(&mbox_sts, 0, sizeof(mbox_sts)); 758 759 mbox_cmd[0] = MBOX_CMD_GET_FW_STATE; 760 761 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) != 762 QLA_SUCCESS) { 763 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ " 764 "status %04X\n", ha->host_no, __func__, 765 mbox_sts[0])); 766 return QLA_ERROR; 767 } 768 ha->firmware_state = mbox_sts[1]; 769 ha->board_id = mbox_sts[2]; 770 ha->addl_fw_state = mbox_sts[3]; 771 DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n", 772 ha->host_no, __func__, ha->firmware_state);) 773 774 return QLA_SUCCESS; 775 } 776 777 /** 778 * qla4xxx_get_firmware_status - retrieves firmware status 779 * @ha: Pointer to host adapter structure. 780 **/ 781 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha) 782 { 783 uint32_t mbox_cmd[MBOX_REG_COUNT]; 784 uint32_t mbox_sts[MBOX_REG_COUNT]; 785 786 /* Get firmware version */ 787 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 788 memset(&mbox_sts, 0, sizeof(mbox_sts)); 789 790 mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS; 791 792 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) != 793 QLA_SUCCESS) { 794 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ " 795 "status %04X\n", ha->host_no, __func__, 796 mbox_sts[0])); 797 return QLA_ERROR; 798 } 799 800 /* High-water mark of IOCBs */ 801 ha->iocb_hiwat = mbox_sts[2]; 802 DEBUG2(ql4_printk(KERN_INFO, ha, 803 "%s: firmware IOCBs available = %d\n", __func__, 804 ha->iocb_hiwat)); 805 806 if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION) 807 ha->iocb_hiwat -= IOCB_HIWAT_CUSHION; 808 809 /* Ideally, we should not enter this code, as the # of firmware 810 * IOCBs is hard-coded in the firmware. We set a default 811 * iocb_hiwat here just in case */ 812 if (ha->iocb_hiwat == 0) { 813 ha->iocb_hiwat = REQUEST_QUEUE_DEPTH / 4; 814 DEBUG2(ql4_printk(KERN_WARNING, ha, 815 "%s: Setting IOCB's to = %d\n", __func__, 816 ha->iocb_hiwat)); 817 } 818 819 return QLA_SUCCESS; 820 } 821 822 /** 823 * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry 824 * @ha: Pointer to host adapter structure. 825 * @fw_ddb_index: Firmware's device database index 826 * @fw_ddb_entry: Pointer to firmware's device database entry structure 827 * @num_valid_ddb_entries: Pointer to number of valid ddb entries 828 * @next_ddb_index: Pointer to next valid device database index 829 * @fw_ddb_device_state: Pointer to device state 830 **/ 831 int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha, 832 uint16_t fw_ddb_index, 833 struct dev_db_entry *fw_ddb_entry, 834 dma_addr_t fw_ddb_entry_dma, 835 uint32_t *num_valid_ddb_entries, 836 uint32_t *next_ddb_index, 837 uint32_t *fw_ddb_device_state, 838 uint32_t *conn_err_detail, 839 uint16_t *tcp_source_port_num, 840 uint16_t *connection_id) 841 { 842 int status = QLA_ERROR; 843 uint16_t options; 844 uint32_t mbox_cmd[MBOX_REG_COUNT]; 845 uint32_t mbox_sts[MBOX_REG_COUNT]; 846 847 /* Make sure the device index is valid */ 848 if (fw_ddb_index >= MAX_DDB_ENTRIES) { 849 DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n", 850 ha->host_no, __func__, fw_ddb_index)); 851 goto exit_get_fwddb; 852 } 853 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 854 memset(&mbox_sts, 0, sizeof(mbox_sts)); 855 if (fw_ddb_entry) 856 memset(fw_ddb_entry, 0, sizeof(struct dev_db_entry)); 857 858 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY; 859 mbox_cmd[1] = (uint32_t) fw_ddb_index; 860 mbox_cmd[2] = LSDW(fw_ddb_entry_dma); 861 mbox_cmd[3] = MSDW(fw_ddb_entry_dma); 862 mbox_cmd[4] = sizeof(struct dev_db_entry); 863 864 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) == 865 QLA_ERROR) { 866 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed" 867 " with status 0x%04X\n", ha->host_no, __func__, 868 mbox_sts[0])); 869 goto exit_get_fwddb; 870 } 871 if (fw_ddb_index != mbox_sts[1]) { 872 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n", 873 ha->host_no, __func__, fw_ddb_index, 874 mbox_sts[1])); 875 goto exit_get_fwddb; 876 } 877 if (fw_ddb_entry) { 878 options = le16_to_cpu(fw_ddb_entry->options); 879 if (options & DDB_OPT_IPV6_DEVICE) { 880 ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d " 881 "Next %d State %04x ConnErr %08x %pI6 " 882 ":%04d \"%s\"\n", __func__, fw_ddb_index, 883 mbox_sts[0], mbox_sts[2], mbox_sts[3], 884 mbox_sts[4], mbox_sts[5], 885 fw_ddb_entry->ip_addr, 886 le16_to_cpu(fw_ddb_entry->port), 887 fw_ddb_entry->iscsi_name); 888 } else { 889 ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d " 890 "Next %d State %04x ConnErr %08x %pI4 " 891 ":%04d \"%s\"\n", __func__, fw_ddb_index, 892 mbox_sts[0], mbox_sts[2], mbox_sts[3], 893 mbox_sts[4], mbox_sts[5], 894 fw_ddb_entry->ip_addr, 895 le16_to_cpu(fw_ddb_entry->port), 896 fw_ddb_entry->iscsi_name); 897 } 898 } 899 if (num_valid_ddb_entries) 900 *num_valid_ddb_entries = mbox_sts[2]; 901 if (next_ddb_index) 902 *next_ddb_index = mbox_sts[3]; 903 if (fw_ddb_device_state) 904 *fw_ddb_device_state = mbox_sts[4]; 905 906 /* 907 * RA: This mailbox has been changed to pass connection error and 908 * details. Its true for ISP4010 as per Version E - Not sure when it 909 * was changed. Get the time2wait from the fw_dd_entry field : 910 * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY 911 * struct. 912 */ 913 if (conn_err_detail) 914 *conn_err_detail = mbox_sts[5]; 915 if (tcp_source_port_num) 916 *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16); 917 if (connection_id) 918 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF; 919 status = QLA_SUCCESS; 920 921 exit_get_fwddb: 922 return status; 923 } 924 925 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index) 926 { 927 uint32_t mbox_cmd[MBOX_REG_COUNT]; 928 uint32_t mbox_sts[MBOX_REG_COUNT]; 929 int status; 930 931 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 932 memset(&mbox_sts, 0, sizeof(mbox_sts)); 933 934 mbox_cmd[0] = MBOX_CMD_CONN_OPEN; 935 mbox_cmd[1] = fw_ddb_index; 936 937 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], 938 &mbox_sts[0]); 939 DEBUG2(ql4_printk(KERN_INFO, ha, 940 "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n", 941 __func__, status, mbox_sts[0], mbox_sts[1])); 942 return status; 943 } 944 945 /** 946 * qla4xxx_set_fwddb_entry - sets a ddb entry. 947 * @ha: Pointer to host adapter structure. 948 * @fw_ddb_index: Firmware's device database index 949 * @fw_ddb_entry_dma: dma address of ddb entry 950 * @mbx_sts: mailbox 0 to be returned or NULL 951 * 952 * This routine initializes or updates the adapter's device database 953 * entry for the specified device. 954 **/ 955 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index, 956 dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts) 957 { 958 uint32_t mbox_cmd[MBOX_REG_COUNT]; 959 uint32_t mbox_sts[MBOX_REG_COUNT]; 960 int status; 961 962 /* Do not wait for completion. The firmware will send us an 963 * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status. 964 */ 965 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 966 memset(&mbox_sts, 0, sizeof(mbox_sts)); 967 968 mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY; 969 mbox_cmd[1] = (uint32_t) fw_ddb_index; 970 mbox_cmd[2] = LSDW(fw_ddb_entry_dma); 971 mbox_cmd[3] = MSDW(fw_ddb_entry_dma); 972 mbox_cmd[4] = sizeof(struct dev_db_entry); 973 974 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], 975 &mbox_sts[0]); 976 if (mbx_sts) 977 *mbx_sts = mbox_sts[0]; 978 DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n", 979 ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);) 980 981 return status; 982 } 983 984 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha, 985 struct ddb_entry *ddb_entry, int options) 986 { 987 int status; 988 uint32_t mbox_cmd[MBOX_REG_COUNT]; 989 uint32_t mbox_sts[MBOX_REG_COUNT]; 990 991 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 992 memset(&mbox_sts, 0, sizeof(mbox_sts)); 993 994 mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT; 995 mbox_cmd[1] = ddb_entry->fw_ddb_index; 996 mbox_cmd[3] = options; 997 998 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], 999 &mbox_sts[0]); 1000 if (status != QLA_SUCCESS) { 1001 DEBUG2(ql4_printk(KERN_INFO, ha, 1002 "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT " 1003 "failed sts %04X %04X", __func__, 1004 mbox_sts[0], mbox_sts[1])); 1005 } 1006 1007 return status; 1008 } 1009 1010 /** 1011 * qla4xxx_get_crash_record - retrieves crash record. 1012 * @ha: Pointer to host adapter structure. 1013 * 1014 * This routine retrieves a crash record from the QLA4010 after an 8002h aen. 1015 **/ 1016 void qla4xxx_get_crash_record(struct scsi_qla_host * ha) 1017 { 1018 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1019 uint32_t mbox_sts[MBOX_REG_COUNT]; 1020 struct crash_record *crash_record = NULL; 1021 dma_addr_t crash_record_dma = 0; 1022 uint32_t crash_record_size = 0; 1023 1024 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1025 memset(&mbox_sts, 0, sizeof(mbox_cmd)); 1026 1027 /* Get size of crash record. */ 1028 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD; 1029 1030 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != 1031 QLA_SUCCESS) { 1032 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n", 1033 ha->host_no, __func__)); 1034 goto exit_get_crash_record; 1035 } 1036 crash_record_size = mbox_sts[4]; 1037 if (crash_record_size == 0) { 1038 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n", 1039 ha->host_no, __func__)); 1040 goto exit_get_crash_record; 1041 } 1042 1043 /* Alloc Memory for Crash Record. */ 1044 crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size, 1045 &crash_record_dma, GFP_KERNEL); 1046 if (crash_record == NULL) 1047 goto exit_get_crash_record; 1048 1049 /* Get Crash Record. */ 1050 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1051 memset(&mbox_sts, 0, sizeof(mbox_cmd)); 1052 1053 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD; 1054 mbox_cmd[2] = LSDW(crash_record_dma); 1055 mbox_cmd[3] = MSDW(crash_record_dma); 1056 mbox_cmd[4] = crash_record_size; 1057 1058 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != 1059 QLA_SUCCESS) 1060 goto exit_get_crash_record; 1061 1062 /* Dump Crash Record. */ 1063 1064 exit_get_crash_record: 1065 if (crash_record) 1066 dma_free_coherent(&ha->pdev->dev, crash_record_size, 1067 crash_record, crash_record_dma); 1068 } 1069 1070 /** 1071 * qla4xxx_get_conn_event_log - retrieves connection event log 1072 * @ha: Pointer to host adapter structure. 1073 **/ 1074 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha) 1075 { 1076 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1077 uint32_t mbox_sts[MBOX_REG_COUNT]; 1078 struct conn_event_log_entry *event_log = NULL; 1079 dma_addr_t event_log_dma = 0; 1080 uint32_t event_log_size = 0; 1081 uint32_t num_valid_entries; 1082 uint32_t oldest_entry = 0; 1083 uint32_t max_event_log_entries; 1084 uint8_t i; 1085 1086 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1087 memset(&mbox_sts, 0, sizeof(mbox_cmd)); 1088 1089 /* Get size of crash record. */ 1090 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG; 1091 1092 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != 1093 QLA_SUCCESS) 1094 goto exit_get_event_log; 1095 1096 event_log_size = mbox_sts[4]; 1097 if (event_log_size == 0) 1098 goto exit_get_event_log; 1099 1100 /* Alloc Memory for Crash Record. */ 1101 event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size, 1102 &event_log_dma, GFP_KERNEL); 1103 if (event_log == NULL) 1104 goto exit_get_event_log; 1105 1106 /* Get Crash Record. */ 1107 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1108 memset(&mbox_sts, 0, sizeof(mbox_cmd)); 1109 1110 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG; 1111 mbox_cmd[2] = LSDW(event_log_dma); 1112 mbox_cmd[3] = MSDW(event_log_dma); 1113 1114 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != 1115 QLA_SUCCESS) { 1116 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event " 1117 "log!\n", ha->host_no, __func__)); 1118 goto exit_get_event_log; 1119 } 1120 1121 /* Dump Event Log. */ 1122 num_valid_entries = mbox_sts[1]; 1123 1124 max_event_log_entries = event_log_size / 1125 sizeof(struct conn_event_log_entry); 1126 1127 if (num_valid_entries > max_event_log_entries) 1128 oldest_entry = num_valid_entries % max_event_log_entries; 1129 1130 DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n", 1131 ha->host_no, num_valid_entries)); 1132 1133 if (ql4xextended_error_logging == 3) { 1134 if (oldest_entry == 0) { 1135 /* Circular Buffer has not wrapped around */ 1136 for (i=0; i < num_valid_entries; i++) { 1137 qla4xxx_dump_buffer((uint8_t *)event_log+ 1138 (i*sizeof(*event_log)), 1139 sizeof(*event_log)); 1140 } 1141 } 1142 else { 1143 /* Circular Buffer has wrapped around - 1144 * display accordingly*/ 1145 for (i=oldest_entry; i < max_event_log_entries; i++) { 1146 qla4xxx_dump_buffer((uint8_t *)event_log+ 1147 (i*sizeof(*event_log)), 1148 sizeof(*event_log)); 1149 } 1150 for (i=0; i < oldest_entry; i++) { 1151 qla4xxx_dump_buffer((uint8_t *)event_log+ 1152 (i*sizeof(*event_log)), 1153 sizeof(*event_log)); 1154 } 1155 } 1156 } 1157 1158 exit_get_event_log: 1159 if (event_log) 1160 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log, 1161 event_log_dma); 1162 } 1163 1164 /** 1165 * qla4xxx_abort_task - issues Abort Task 1166 * @ha: Pointer to host adapter structure. 1167 * @srb: Pointer to srb entry 1168 * 1169 * This routine performs a LUN RESET on the specified target/lun. 1170 * The caller must ensure that the ddb_entry and lun_entry pointers 1171 * are valid before calling this routine. 1172 **/ 1173 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb) 1174 { 1175 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1176 uint32_t mbox_sts[MBOX_REG_COUNT]; 1177 struct scsi_cmnd *cmd = srb->cmd; 1178 int status = QLA_SUCCESS; 1179 unsigned long flags = 0; 1180 uint32_t index; 1181 1182 /* 1183 * Send abort task command to ISP, so that the ISP will return 1184 * request with ABORT status 1185 */ 1186 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1187 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1188 1189 spin_lock_irqsave(&ha->hardware_lock, flags); 1190 index = (unsigned long)(unsigned char *)cmd->host_scribble; 1191 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1192 1193 /* Firmware already posted completion on response queue */ 1194 if (index == MAX_SRBS) 1195 return status; 1196 1197 mbox_cmd[0] = MBOX_CMD_ABORT_TASK; 1198 mbox_cmd[1] = srb->ddb->fw_ddb_index; 1199 mbox_cmd[2] = index; 1200 /* Immediate Command Enable */ 1201 mbox_cmd[5] = 0x01; 1202 1203 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], 1204 &mbox_sts[0]); 1205 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) { 1206 status = QLA_ERROR; 1207 1208 DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: " 1209 "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n", 1210 ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0], 1211 mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4])); 1212 } 1213 1214 return status; 1215 } 1216 1217 /** 1218 * qla4xxx_reset_lun - issues LUN Reset 1219 * @ha: Pointer to host adapter structure. 1220 * @ddb_entry: Pointer to device database entry 1221 * @lun: lun number 1222 * 1223 * This routine performs a LUN RESET on the specified target/lun. 1224 * The caller must ensure that the ddb_entry and lun_entry pointers 1225 * are valid before calling this routine. 1226 **/ 1227 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry, 1228 int lun) 1229 { 1230 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1231 uint32_t mbox_sts[MBOX_REG_COUNT]; 1232 uint32_t scsi_lun[2]; 1233 int status = QLA_SUCCESS; 1234 1235 DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no, 1236 ddb_entry->fw_ddb_index, lun)); 1237 1238 /* 1239 * Send lun reset command to ISP, so that the ISP will return all 1240 * outstanding requests with RESET status 1241 */ 1242 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1243 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1244 int_to_scsilun(lun, (struct scsi_lun *) scsi_lun); 1245 1246 mbox_cmd[0] = MBOX_CMD_LUN_RESET; 1247 mbox_cmd[1] = ddb_entry->fw_ddb_index; 1248 /* FW expects LUN bytes 0-3 in Incoming Mailbox 2 1249 * (LUN byte 0 is LSByte, byte 3 is MSByte) */ 1250 mbox_cmd[2] = cpu_to_le32(scsi_lun[0]); 1251 /* FW expects LUN bytes 4-7 in Incoming Mailbox 3 1252 * (LUN byte 4 is LSByte, byte 7 is MSByte) */ 1253 mbox_cmd[3] = cpu_to_le32(scsi_lun[1]); 1254 mbox_cmd[5] = 0x01; /* Immediate Command Enable */ 1255 1256 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]); 1257 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE && 1258 mbox_sts[0] != MBOX_STS_COMMAND_ERROR) 1259 status = QLA_ERROR; 1260 1261 return status; 1262 } 1263 1264 /** 1265 * qla4xxx_reset_target - issues target Reset 1266 * @ha: Pointer to host adapter structure. 1267 * @db_entry: Pointer to device database entry 1268 * @un_entry: Pointer to lun entry structure 1269 * 1270 * This routine performs a TARGET RESET on the specified target. 1271 * The caller must ensure that the ddb_entry pointers 1272 * are valid before calling this routine. 1273 **/ 1274 int qla4xxx_reset_target(struct scsi_qla_host *ha, 1275 struct ddb_entry *ddb_entry) 1276 { 1277 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1278 uint32_t mbox_sts[MBOX_REG_COUNT]; 1279 int status = QLA_SUCCESS; 1280 1281 DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no, 1282 ddb_entry->fw_ddb_index)); 1283 1284 /* 1285 * Send target reset command to ISP, so that the ISP will return all 1286 * outstanding requests with RESET status 1287 */ 1288 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1289 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1290 1291 mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET; 1292 mbox_cmd[1] = ddb_entry->fw_ddb_index; 1293 mbox_cmd[5] = 0x01; /* Immediate Command Enable */ 1294 1295 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 1296 &mbox_sts[0]); 1297 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE && 1298 mbox_sts[0] != MBOX_STS_COMMAND_ERROR) 1299 status = QLA_ERROR; 1300 1301 return status; 1302 } 1303 1304 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr, 1305 uint32_t offset, uint32_t len) 1306 { 1307 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1308 uint32_t mbox_sts[MBOX_REG_COUNT]; 1309 1310 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1311 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1312 1313 mbox_cmd[0] = MBOX_CMD_READ_FLASH; 1314 mbox_cmd[1] = LSDW(dma_addr); 1315 mbox_cmd[2] = MSDW(dma_addr); 1316 mbox_cmd[3] = offset; 1317 mbox_cmd[4] = len; 1318 1319 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) != 1320 QLA_SUCCESS) { 1321 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ " 1322 "status %04X %04X, offset %08x, len %08x\n", ha->host_no, 1323 __func__, mbox_sts[0], mbox_sts[1], offset, len)); 1324 return QLA_ERROR; 1325 } 1326 return QLA_SUCCESS; 1327 } 1328 1329 /** 1330 * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version 1331 * @ha: Pointer to host adapter structure. 1332 * 1333 * Retrieves the FW version, iSCSI draft version & bootloader version of HBA. 1334 * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to 1335 * those mailboxes, if unused. 1336 **/ 1337 int qla4xxx_about_firmware(struct scsi_qla_host *ha) 1338 { 1339 struct about_fw_info *about_fw = NULL; 1340 dma_addr_t about_fw_dma; 1341 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1342 uint32_t mbox_sts[MBOX_REG_COUNT]; 1343 int status = QLA_ERROR; 1344 1345 about_fw = dma_alloc_coherent(&ha->pdev->dev, 1346 sizeof(struct about_fw_info), 1347 &about_fw_dma, GFP_KERNEL); 1348 if (!about_fw) { 1349 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory " 1350 "for about_fw\n", __func__)); 1351 return status; 1352 } 1353 1354 memset(about_fw, 0, sizeof(struct about_fw_info)); 1355 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1356 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1357 1358 mbox_cmd[0] = MBOX_CMD_ABOUT_FW; 1359 mbox_cmd[2] = LSDW(about_fw_dma); 1360 mbox_cmd[3] = MSDW(about_fw_dma); 1361 mbox_cmd[4] = sizeof(struct about_fw_info); 1362 1363 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 1364 &mbox_cmd[0], &mbox_sts[0]); 1365 if (status != QLA_SUCCESS) { 1366 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW " 1367 "failed w/ status %04X\n", __func__, 1368 mbox_sts[0])); 1369 goto exit_about_fw; 1370 } 1371 1372 /* Save version information. */ 1373 ha->fw_info.fw_major = le16_to_cpu(about_fw->fw_major); 1374 ha->fw_info.fw_minor = le16_to_cpu(about_fw->fw_minor); 1375 ha->fw_info.fw_patch = le16_to_cpu(about_fw->fw_patch); 1376 ha->fw_info.fw_build = le16_to_cpu(about_fw->fw_build); 1377 memcpy(ha->fw_info.fw_build_date, about_fw->fw_build_date, 1378 sizeof(about_fw->fw_build_date)); 1379 memcpy(ha->fw_info.fw_build_time, about_fw->fw_build_time, 1380 sizeof(about_fw->fw_build_time)); 1381 strcpy((char *)ha->fw_info.fw_build_user, 1382 skip_spaces((char *)about_fw->fw_build_user)); 1383 ha->fw_info.fw_load_source = le16_to_cpu(about_fw->fw_load_source); 1384 ha->fw_info.iscsi_major = le16_to_cpu(about_fw->iscsi_major); 1385 ha->fw_info.iscsi_minor = le16_to_cpu(about_fw->iscsi_minor); 1386 ha->fw_info.bootload_major = le16_to_cpu(about_fw->bootload_major); 1387 ha->fw_info.bootload_minor = le16_to_cpu(about_fw->bootload_minor); 1388 ha->fw_info.bootload_patch = le16_to_cpu(about_fw->bootload_patch); 1389 ha->fw_info.bootload_build = le16_to_cpu(about_fw->bootload_build); 1390 strcpy((char *)ha->fw_info.extended_timestamp, 1391 skip_spaces((char *)about_fw->extended_timestamp)); 1392 1393 ha->fw_uptime_secs = le32_to_cpu(mbox_sts[5]); 1394 ha->fw_uptime_msecs = le32_to_cpu(mbox_sts[6]); 1395 status = QLA_SUCCESS; 1396 1397 exit_about_fw: 1398 dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info), 1399 about_fw, about_fw_dma); 1400 return status; 1401 } 1402 1403 int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options, 1404 dma_addr_t dma_addr) 1405 { 1406 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1407 uint32_t mbox_sts[MBOX_REG_COUNT]; 1408 1409 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1410 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1411 1412 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS; 1413 mbox_cmd[1] = options; 1414 mbox_cmd[2] = LSDW(dma_addr); 1415 mbox_cmd[3] = MSDW(dma_addr); 1416 1417 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) != 1418 QLA_SUCCESS) { 1419 DEBUG2(printk("scsi%ld: %s: failed status %04X\n", 1420 ha->host_no, __func__, mbox_sts[0])); 1421 return QLA_ERROR; 1422 } 1423 return QLA_SUCCESS; 1424 } 1425 1426 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index, 1427 uint32_t *mbx_sts) 1428 { 1429 int status; 1430 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1431 uint32_t mbox_sts[MBOX_REG_COUNT]; 1432 1433 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1434 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1435 1436 mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY; 1437 mbox_cmd[1] = ddb_index; 1438 1439 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 1440 &mbox_sts[0]); 1441 if (status != QLA_SUCCESS) { 1442 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", 1443 __func__, mbox_sts[0])); 1444 } 1445 1446 *mbx_sts = mbox_sts[0]; 1447 return status; 1448 } 1449 1450 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index) 1451 { 1452 int status; 1453 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1454 uint32_t mbox_sts[MBOX_REG_COUNT]; 1455 1456 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1457 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1458 1459 mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY; 1460 mbox_cmd[1] = ddb_index; 1461 1462 status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0], 1463 &mbox_sts[0]); 1464 if (status != QLA_SUCCESS) { 1465 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", 1466 __func__, mbox_sts[0])); 1467 } 1468 1469 return status; 1470 } 1471 1472 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr, 1473 uint32_t offset, uint32_t length, uint32_t options) 1474 { 1475 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1476 uint32_t mbox_sts[MBOX_REG_COUNT]; 1477 int status = QLA_SUCCESS; 1478 1479 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1480 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1481 1482 mbox_cmd[0] = MBOX_CMD_WRITE_FLASH; 1483 mbox_cmd[1] = LSDW(dma_addr); 1484 mbox_cmd[2] = MSDW(dma_addr); 1485 mbox_cmd[3] = offset; 1486 mbox_cmd[4] = length; 1487 mbox_cmd[5] = options; 1488 1489 status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]); 1490 if (status != QLA_SUCCESS) { 1491 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH " 1492 "failed w/ status %04X, mbx1 %04X\n", 1493 __func__, mbox_sts[0], mbox_sts[1])); 1494 } 1495 return status; 1496 } 1497 1498 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha, 1499 struct dev_db_entry *fw_ddb_entry, 1500 dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index) 1501 { 1502 uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 1503 uint32_t dev_db_end_offset; 1504 int status = QLA_ERROR; 1505 1506 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 1507 1508 dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry)); 1509 dev_db_end_offset = FLASH_OFFSET_DB_END; 1510 1511 if (dev_db_start_offset > dev_db_end_offset) { 1512 DEBUG2(ql4_printk(KERN_ERR, ha, 1513 "%s:Invalid DDB index %d", __func__, 1514 ddb_index)); 1515 goto exit_bootdb_failed; 1516 } 1517 1518 if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 1519 sizeof(*fw_ddb_entry)) != QLA_SUCCESS) { 1520 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 1521 "failed\n", ha->host_no, __func__); 1522 goto exit_bootdb_failed; 1523 } 1524 1525 if (fw_ddb_entry->cookie == DDB_VALID_COOKIE) 1526 status = QLA_SUCCESS; 1527 1528 exit_bootdb_failed: 1529 return status; 1530 } 1531 1532 int qla4xxx_flashdb_by_index(struct scsi_qla_host *ha, 1533 struct dev_db_entry *fw_ddb_entry, 1534 dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index) 1535 { 1536 uint32_t dev_db_start_offset; 1537 uint32_t dev_db_end_offset; 1538 int status = QLA_ERROR; 1539 1540 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 1541 1542 if (is_qla40XX(ha)) { 1543 dev_db_start_offset = FLASH_OFFSET_DB_INFO; 1544 dev_db_end_offset = FLASH_OFFSET_DB_END; 1545 } else { 1546 dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 1547 (ha->hw.flt_region_ddb << 2); 1548 /* flt_ddb_size is DDB table size for both ports 1549 * so divide it by 2 to calculate the offset for second port 1550 */ 1551 if (ha->port_num == 1) 1552 dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 1553 1554 dev_db_end_offset = dev_db_start_offset + 1555 (ha->hw.flt_ddb_size / 2); 1556 } 1557 1558 dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry)); 1559 1560 if (dev_db_start_offset > dev_db_end_offset) { 1561 DEBUG2(ql4_printk(KERN_ERR, ha, 1562 "%s:Invalid DDB index %d", __func__, 1563 ddb_index)); 1564 goto exit_fdb_failed; 1565 } 1566 1567 if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 1568 sizeof(*fw_ddb_entry)) != QLA_SUCCESS) { 1569 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash failed\n", 1570 ha->host_no, __func__); 1571 goto exit_fdb_failed; 1572 } 1573 1574 if (fw_ddb_entry->cookie == DDB_VALID_COOKIE) 1575 status = QLA_SUCCESS; 1576 1577 exit_fdb_failed: 1578 return status; 1579 } 1580 1581 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password, 1582 uint16_t idx) 1583 { 1584 int ret = 0; 1585 int rval = QLA_ERROR; 1586 uint32_t offset = 0, chap_size; 1587 struct ql4_chap_table *chap_table; 1588 dma_addr_t chap_dma; 1589 1590 chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 1591 if (chap_table == NULL) 1592 return -ENOMEM; 1593 1594 chap_size = sizeof(struct ql4_chap_table); 1595 memset(chap_table, 0, chap_size); 1596 1597 if (is_qla40XX(ha)) 1598 offset = FLASH_CHAP_OFFSET | (idx * chap_size); 1599 else { 1600 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 1601 /* flt_chap_size is CHAP table size for both ports 1602 * so divide it by 2 to calculate the offset for second port 1603 */ 1604 if (ha->port_num == 1) 1605 offset += (ha->hw.flt_chap_size / 2); 1606 offset += (idx * chap_size); 1607 } 1608 1609 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 1610 if (rval != QLA_SUCCESS) { 1611 ret = -EINVAL; 1612 goto exit_get_chap; 1613 } 1614 1615 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 1616 __le16_to_cpu(chap_table->cookie))); 1617 1618 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 1619 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 1620 goto exit_get_chap; 1621 } 1622 1623 strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 1624 strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 1625 chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE); 1626 1627 exit_get_chap: 1628 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 1629 return ret; 1630 } 1631 1632 /** 1633 * qla4xxx_set_chap - Make a chap entry at the given index 1634 * @ha: pointer to adapter structure 1635 * @username: CHAP username to set 1636 * @password: CHAP password to set 1637 * @idx: CHAP index at which to make the entry 1638 * @bidi: type of chap entry (chap_in or chap_out) 1639 * 1640 * Create chap entry at the given index with the information provided. 1641 * 1642 * Note: Caller should acquire the chap lock before getting here. 1643 **/ 1644 int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password, 1645 uint16_t idx, int bidi) 1646 { 1647 int ret = 0; 1648 int rval = QLA_ERROR; 1649 uint32_t offset = 0; 1650 struct ql4_chap_table *chap_table; 1651 uint32_t chap_size = 0; 1652 dma_addr_t chap_dma; 1653 1654 chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 1655 if (chap_table == NULL) { 1656 ret = -ENOMEM; 1657 goto exit_set_chap; 1658 } 1659 1660 memset(chap_table, 0, sizeof(struct ql4_chap_table)); 1661 if (bidi) 1662 chap_table->flags |= BIT_6; /* peer */ 1663 else 1664 chap_table->flags |= BIT_7; /* local */ 1665 chap_table->secret_len = strlen(password); 1666 strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN); 1667 strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN); 1668 chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE); 1669 1670 if (is_qla40XX(ha)) { 1671 chap_size = MAX_CHAP_ENTRIES_40XX * sizeof(*chap_table); 1672 offset = FLASH_CHAP_OFFSET; 1673 } else { /* Single region contains CHAP info for both ports which is 1674 * divided into half for each port. 1675 */ 1676 chap_size = ha->hw.flt_chap_size / 2; 1677 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 1678 if (ha->port_num == 1) 1679 offset += chap_size; 1680 } 1681 1682 offset += (idx * sizeof(struct ql4_chap_table)); 1683 rval = qla4xxx_set_flash(ha, chap_dma, offset, 1684 sizeof(struct ql4_chap_table), 1685 FLASH_OPT_RMW_COMMIT); 1686 1687 if (rval == QLA_SUCCESS && ha->chap_list) { 1688 /* Update ha chap_list cache */ 1689 memcpy((struct ql4_chap_table *)ha->chap_list + idx, 1690 chap_table, sizeof(struct ql4_chap_table)); 1691 } 1692 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 1693 if (rval != QLA_SUCCESS) 1694 ret = -EINVAL; 1695 1696 exit_set_chap: 1697 return ret; 1698 } 1699 1700 1701 int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username, 1702 char *password, uint16_t chap_index) 1703 { 1704 int rval = QLA_ERROR; 1705 struct ql4_chap_table *chap_table = NULL; 1706 int max_chap_entries; 1707 1708 if (!ha->chap_list) { 1709 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 1710 rval = QLA_ERROR; 1711 goto exit_uni_chap; 1712 } 1713 1714 if (!username || !password) { 1715 ql4_printk(KERN_ERR, ha, "No memory for username & secret\n"); 1716 rval = QLA_ERROR; 1717 goto exit_uni_chap; 1718 } 1719 1720 if (is_qla80XX(ha)) 1721 max_chap_entries = (ha->hw.flt_chap_size / 2) / 1722 sizeof(struct ql4_chap_table); 1723 else 1724 max_chap_entries = MAX_CHAP_ENTRIES_40XX; 1725 1726 if (chap_index > max_chap_entries) { 1727 ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); 1728 rval = QLA_ERROR; 1729 goto exit_uni_chap; 1730 } 1731 1732 mutex_lock(&ha->chap_sem); 1733 chap_table = (struct ql4_chap_table *)ha->chap_list + chap_index; 1734 if (chap_table->cookie != __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 1735 rval = QLA_ERROR; 1736 goto exit_unlock_uni_chap; 1737 } 1738 1739 if (!(chap_table->flags & BIT_7)) { 1740 ql4_printk(KERN_ERR, ha, "Unidirectional entry not set\n"); 1741 rval = QLA_ERROR; 1742 goto exit_unlock_uni_chap; 1743 } 1744 1745 strncpy(password, chap_table->secret, MAX_CHAP_SECRET_LEN); 1746 strncpy(username, chap_table->name, MAX_CHAP_NAME_LEN); 1747 1748 rval = QLA_SUCCESS; 1749 1750 exit_unlock_uni_chap: 1751 mutex_unlock(&ha->chap_sem); 1752 exit_uni_chap: 1753 return rval; 1754 } 1755 1756 /** 1757 * qla4xxx_get_chap_index - Get chap index given username and secret 1758 * @ha: pointer to adapter structure 1759 * @username: CHAP username to be searched 1760 * @password: CHAP password to be searched 1761 * @bidi: Is this a BIDI CHAP 1762 * @chap_index: CHAP index to be returned 1763 * 1764 * Match the username and password in the chap_list, return the index if a 1765 * match is found. If a match is not found then add the entry in FLASH and 1766 * return the index at which entry is written in the FLASH. 1767 **/ 1768 int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username, 1769 char *password, int bidi, uint16_t *chap_index) 1770 { 1771 int i, rval; 1772 int free_index = -1; 1773 int found_index = 0; 1774 int max_chap_entries = 0; 1775 struct ql4_chap_table *chap_table; 1776 1777 if (is_qla80XX(ha)) 1778 max_chap_entries = (ha->hw.flt_chap_size / 2) / 1779 sizeof(struct ql4_chap_table); 1780 else 1781 max_chap_entries = MAX_CHAP_ENTRIES_40XX; 1782 1783 if (!ha->chap_list) { 1784 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 1785 return QLA_ERROR; 1786 } 1787 1788 if (!username || !password) { 1789 ql4_printk(KERN_ERR, ha, "Do not have username and psw\n"); 1790 return QLA_ERROR; 1791 } 1792 1793 mutex_lock(&ha->chap_sem); 1794 for (i = 0; i < max_chap_entries; i++) { 1795 chap_table = (struct ql4_chap_table *)ha->chap_list + i; 1796 if (chap_table->cookie != 1797 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 1798 if (i > MAX_RESRV_CHAP_IDX && free_index == -1) 1799 free_index = i; 1800 continue; 1801 } 1802 if (bidi) { 1803 if (chap_table->flags & BIT_7) 1804 continue; 1805 } else { 1806 if (chap_table->flags & BIT_6) 1807 continue; 1808 } 1809 if (!strncmp(chap_table->secret, password, 1810 MAX_CHAP_SECRET_LEN) && 1811 !strncmp(chap_table->name, username, 1812 MAX_CHAP_NAME_LEN)) { 1813 *chap_index = i; 1814 found_index = 1; 1815 break; 1816 } 1817 } 1818 1819 /* If chap entry is not present and a free index is available then 1820 * write the entry in flash 1821 */ 1822 if (!found_index && free_index != -1) { 1823 rval = qla4xxx_set_chap(ha, username, password, 1824 free_index, bidi); 1825 if (!rval) { 1826 *chap_index = free_index; 1827 found_index = 1; 1828 } 1829 } 1830 1831 mutex_unlock(&ha->chap_sem); 1832 1833 if (found_index) 1834 return QLA_SUCCESS; 1835 return QLA_ERROR; 1836 } 1837 1838 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha, 1839 uint16_t fw_ddb_index, 1840 uint16_t connection_id, 1841 uint16_t option) 1842 { 1843 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1844 uint32_t mbox_sts[MBOX_REG_COUNT]; 1845 int status = QLA_SUCCESS; 1846 1847 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1848 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1849 1850 mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT; 1851 mbox_cmd[1] = fw_ddb_index; 1852 mbox_cmd[2] = connection_id; 1853 mbox_cmd[3] = option; 1854 1855 status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]); 1856 if (status != QLA_SUCCESS) { 1857 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE " 1858 "option %04x failed w/ status %04X %04X\n", 1859 __func__, option, mbox_sts[0], mbox_sts[1])); 1860 } 1861 return status; 1862 } 1863 1864 /** 1865 * qla4_84xx_extend_idc_tmo - Extend IDC Timeout. 1866 * @ha: Pointer to host adapter structure. 1867 * @ext_tmo: idc timeout value 1868 * 1869 * Requests firmware to extend the idc timeout value. 1870 **/ 1871 static int qla4_84xx_extend_idc_tmo(struct scsi_qla_host *ha, uint32_t ext_tmo) 1872 { 1873 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1874 uint32_t mbox_sts[MBOX_REG_COUNT]; 1875 int status; 1876 1877 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1878 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1879 ext_tmo &= 0xf; 1880 1881 mbox_cmd[0] = MBOX_CMD_IDC_TIME_EXTEND; 1882 mbox_cmd[1] = ((ha->idc_info.request_desc & 0xfffff0ff) | 1883 (ext_tmo << 8)); /* new timeout */ 1884 mbox_cmd[2] = ha->idc_info.info1; 1885 mbox_cmd[3] = ha->idc_info.info2; 1886 mbox_cmd[4] = ha->idc_info.info3; 1887 1888 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 1889 mbox_cmd, mbox_sts); 1890 if (status != QLA_SUCCESS) { 1891 DEBUG2(ql4_printk(KERN_INFO, ha, 1892 "scsi%ld: %s: failed status %04X\n", 1893 ha->host_no, __func__, mbox_sts[0])); 1894 return QLA_ERROR; 1895 } else { 1896 ql4_printk(KERN_INFO, ha, "%s: IDC timeout extended by %d secs\n", 1897 __func__, ext_tmo); 1898 } 1899 1900 return QLA_SUCCESS; 1901 } 1902 1903 int qla4xxx_disable_acb(struct scsi_qla_host *ha) 1904 { 1905 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1906 uint32_t mbox_sts[MBOX_REG_COUNT]; 1907 int status = QLA_SUCCESS; 1908 1909 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1910 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1911 1912 mbox_cmd[0] = MBOX_CMD_DISABLE_ACB; 1913 1914 status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]); 1915 if (status != QLA_SUCCESS) { 1916 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB " 1917 "failed w/ status %04X %04X %04X", __func__, 1918 mbox_sts[0], mbox_sts[1], mbox_sts[2])); 1919 } else { 1920 if (is_qla8042(ha) && 1921 (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE)) { 1922 /* 1923 * Disable ACB mailbox command takes time to complete 1924 * based on the total number of targets connected. 1925 * For 512 targets, it took approximately 5 secs to 1926 * complete. Setting the timeout value to 8, with the 3 1927 * secs buffer. 1928 */ 1929 qla4_84xx_extend_idc_tmo(ha, IDC_EXTEND_TOV); 1930 if (!wait_for_completion_timeout(&ha->disable_acb_comp, 1931 IDC_EXTEND_TOV * HZ)) { 1932 ql4_printk(KERN_WARNING, ha, "%s: Disable ACB Completion not received\n", 1933 __func__); 1934 } 1935 } 1936 } 1937 return status; 1938 } 1939 1940 int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma, 1941 uint32_t acb_type, uint32_t len) 1942 { 1943 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1944 uint32_t mbox_sts[MBOX_REG_COUNT]; 1945 int status = QLA_SUCCESS; 1946 1947 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1948 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1949 1950 mbox_cmd[0] = MBOX_CMD_GET_ACB; 1951 mbox_cmd[1] = acb_type; 1952 mbox_cmd[2] = LSDW(acb_dma); 1953 mbox_cmd[3] = MSDW(acb_dma); 1954 mbox_cmd[4] = len; 1955 1956 status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]); 1957 if (status != QLA_SUCCESS) { 1958 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB " 1959 "failed w/ status %04X\n", __func__, 1960 mbox_sts[0])); 1961 } 1962 return status; 1963 } 1964 1965 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, 1966 uint32_t *mbox_sts, dma_addr_t acb_dma) 1967 { 1968 int status = QLA_SUCCESS; 1969 1970 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT); 1971 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT); 1972 mbox_cmd[0] = MBOX_CMD_SET_ACB; 1973 mbox_cmd[1] = 0; /* Primary ACB */ 1974 mbox_cmd[2] = LSDW(acb_dma); 1975 mbox_cmd[3] = MSDW(acb_dma); 1976 mbox_cmd[4] = sizeof(struct addr_ctrl_blk); 1977 1978 status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]); 1979 if (status != QLA_SUCCESS) { 1980 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_SET_ACB " 1981 "failed w/ status %04X\n", __func__, 1982 mbox_sts[0])); 1983 } 1984 return status; 1985 } 1986 1987 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha, 1988 struct ddb_entry *ddb_entry, 1989 struct iscsi_cls_conn *cls_conn, 1990 uint32_t *mbx_sts) 1991 { 1992 struct dev_db_entry *fw_ddb_entry; 1993 struct iscsi_conn *conn; 1994 struct iscsi_session *sess; 1995 struct qla_conn *qla_conn; 1996 struct sockaddr *dst_addr; 1997 dma_addr_t fw_ddb_entry_dma; 1998 int status = QLA_SUCCESS; 1999 int rval = 0; 2000 struct sockaddr_in *addr; 2001 struct sockaddr_in6 *addr6; 2002 char *ip; 2003 uint16_t iscsi_opts = 0; 2004 uint32_t options = 0; 2005 uint16_t idx, *ptid; 2006 2007 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 2008 &fw_ddb_entry_dma, GFP_KERNEL); 2009 if (!fw_ddb_entry) { 2010 DEBUG2(ql4_printk(KERN_ERR, ha, 2011 "%s: Unable to allocate dma buffer.\n", 2012 __func__)); 2013 rval = -ENOMEM; 2014 goto exit_set_param_no_free; 2015 } 2016 2017 conn = cls_conn->dd_data; 2018 qla_conn = conn->dd_data; 2019 sess = conn->session; 2020 dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2021 2022 if (dst_addr->sa_family == AF_INET6) 2023 options |= IPV6_DEFAULT_DDB_ENTRY; 2024 2025 status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 2026 if (status == QLA_ERROR) { 2027 rval = -EINVAL; 2028 goto exit_set_param; 2029 } 2030 2031 ptid = (uint16_t *)&fw_ddb_entry->isid[1]; 2032 *ptid = cpu_to_le16((uint16_t)ddb_entry->sess->target_id); 2033 2034 DEBUG2(ql4_printk(KERN_INFO, ha, "ISID [%02x%02x%02x%02x%02x%02x]\n", 2035 fw_ddb_entry->isid[5], fw_ddb_entry->isid[4], 2036 fw_ddb_entry->isid[3], fw_ddb_entry->isid[2], 2037 fw_ddb_entry->isid[1], fw_ddb_entry->isid[0])); 2038 2039 iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options); 2040 memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias)); 2041 2042 memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name)); 2043 2044 if (sess->targetname != NULL) { 2045 memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 2046 min(strlen(sess->targetname), 2047 sizeof(fw_ddb_entry->iscsi_name))); 2048 } 2049 2050 memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr)); 2051 memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr)); 2052 2053 fw_ddb_entry->options = DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE; 2054 2055 if (dst_addr->sa_family == AF_INET) { 2056 addr = (struct sockaddr_in *)dst_addr; 2057 ip = (char *)&addr->sin_addr; 2058 memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN); 2059 fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port)); 2060 DEBUG2(ql4_printk(KERN_INFO, ha, 2061 "%s: Destination Address [%pI4]: index [%d]\n", 2062 __func__, fw_ddb_entry->ip_addr, 2063 ddb_entry->fw_ddb_index)); 2064 } else if (dst_addr->sa_family == AF_INET6) { 2065 addr6 = (struct sockaddr_in6 *)dst_addr; 2066 ip = (char *)&addr6->sin6_addr; 2067 memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN); 2068 fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port)); 2069 fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE; 2070 DEBUG2(ql4_printk(KERN_INFO, ha, 2071 "%s: Destination Address [%pI6]: index [%d]\n", 2072 __func__, fw_ddb_entry->ip_addr, 2073 ddb_entry->fw_ddb_index)); 2074 } else { 2075 ql4_printk(KERN_ERR, ha, 2076 "%s: Failed to get IP Address\n", 2077 __func__); 2078 rval = -EINVAL; 2079 goto exit_set_param; 2080 } 2081 2082 /* CHAP */ 2083 if (sess->username != NULL && sess->password != NULL) { 2084 if (strlen(sess->username) && strlen(sess->password)) { 2085 iscsi_opts |= BIT_7; 2086 2087 rval = qla4xxx_get_chap_index(ha, sess->username, 2088 sess->password, 2089 LOCAL_CHAP, &idx); 2090 if (rval) 2091 goto exit_set_param; 2092 2093 fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx); 2094 } 2095 } 2096 2097 if (sess->username_in != NULL && sess->password_in != NULL) { 2098 /* Check if BIDI CHAP */ 2099 if (strlen(sess->username_in) && strlen(sess->password_in)) { 2100 iscsi_opts |= BIT_4; 2101 2102 rval = qla4xxx_get_chap_index(ha, sess->username_in, 2103 sess->password_in, 2104 BIDI_CHAP, &idx); 2105 if (rval) 2106 goto exit_set_param; 2107 } 2108 } 2109 2110 if (sess->initial_r2t_en) 2111 iscsi_opts |= BIT_10; 2112 2113 if (sess->imm_data_en) 2114 iscsi_opts |= BIT_11; 2115 2116 fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts); 2117 2118 if (conn->max_recv_dlength) 2119 fw_ddb_entry->iscsi_max_rcv_data_seg_len = 2120 __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS)); 2121 2122 if (sess->max_r2t) 2123 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 2124 2125 if (sess->first_burst) 2126 fw_ddb_entry->iscsi_first_burst_len = 2127 __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS)); 2128 2129 if (sess->max_burst) 2130 fw_ddb_entry->iscsi_max_burst_len = 2131 __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS)); 2132 2133 if (sess->time2wait) 2134 fw_ddb_entry->iscsi_def_time2wait = 2135 cpu_to_le16(sess->time2wait); 2136 2137 if (sess->time2retain) 2138 fw_ddb_entry->iscsi_def_time2retain = 2139 cpu_to_le16(sess->time2retain); 2140 2141 status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 2142 fw_ddb_entry_dma, mbx_sts); 2143 2144 if (status != QLA_SUCCESS) 2145 rval = -EINVAL; 2146 exit_set_param: 2147 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 2148 fw_ddb_entry, fw_ddb_entry_dma); 2149 exit_set_param_no_free: 2150 return rval; 2151 } 2152 2153 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index, 2154 uint16_t stats_size, dma_addr_t stats_dma) 2155 { 2156 int status = QLA_SUCCESS; 2157 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2158 uint32_t mbox_sts[MBOX_REG_COUNT]; 2159 2160 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT); 2161 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT); 2162 mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA; 2163 mbox_cmd[1] = fw_ddb_index; 2164 mbox_cmd[2] = LSDW(stats_dma); 2165 mbox_cmd[3] = MSDW(stats_dma); 2166 mbox_cmd[4] = stats_size; 2167 2168 status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]); 2169 if (status != QLA_SUCCESS) { 2170 DEBUG2(ql4_printk(KERN_WARNING, ha, 2171 "%s: MBOX_CMD_GET_MANAGEMENT_DATA " 2172 "failed w/ status %04X\n", __func__, 2173 mbox_sts[0])); 2174 } 2175 return status; 2176 } 2177 2178 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx, 2179 uint32_t ip_idx, uint32_t *sts) 2180 { 2181 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2182 uint32_t mbox_sts[MBOX_REG_COUNT]; 2183 int status = QLA_SUCCESS; 2184 2185 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2186 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2187 mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE; 2188 mbox_cmd[1] = acb_idx; 2189 mbox_cmd[2] = ip_idx; 2190 2191 status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]); 2192 if (status != QLA_SUCCESS) { 2193 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: " 2194 "MBOX_CMD_GET_IP_ADDR_STATE failed w/ " 2195 "status %04X\n", __func__, mbox_sts[0])); 2196 } 2197 memcpy(sts, mbox_sts, sizeof(mbox_sts)); 2198 return status; 2199 } 2200 2201 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma, 2202 uint32_t offset, uint32_t size) 2203 { 2204 int status = QLA_SUCCESS; 2205 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2206 uint32_t mbox_sts[MBOX_REG_COUNT]; 2207 2208 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2209 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2210 2211 mbox_cmd[0] = MBOX_CMD_GET_NVRAM; 2212 mbox_cmd[1] = LSDW(nvram_dma); 2213 mbox_cmd[2] = MSDW(nvram_dma); 2214 mbox_cmd[3] = offset; 2215 mbox_cmd[4] = size; 2216 2217 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 2218 &mbox_sts[0]); 2219 if (status != QLA_SUCCESS) { 2220 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 2221 "status %04X\n", ha->host_no, __func__, 2222 mbox_sts[0])); 2223 } 2224 return status; 2225 } 2226 2227 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma, 2228 uint32_t offset, uint32_t size) 2229 { 2230 int status = QLA_SUCCESS; 2231 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2232 uint32_t mbox_sts[MBOX_REG_COUNT]; 2233 2234 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2235 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2236 2237 mbox_cmd[0] = MBOX_CMD_SET_NVRAM; 2238 mbox_cmd[1] = LSDW(nvram_dma); 2239 mbox_cmd[2] = MSDW(nvram_dma); 2240 mbox_cmd[3] = offset; 2241 mbox_cmd[4] = size; 2242 2243 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 2244 &mbox_sts[0]); 2245 if (status != QLA_SUCCESS) { 2246 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 2247 "status %04X\n", ha->host_no, __func__, 2248 mbox_sts[0])); 2249 } 2250 return status; 2251 } 2252 2253 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha, 2254 uint32_t region, uint32_t field0, 2255 uint32_t field1) 2256 { 2257 int status = QLA_SUCCESS; 2258 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2259 uint32_t mbox_sts[MBOX_REG_COUNT]; 2260 2261 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2262 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2263 2264 mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS; 2265 mbox_cmd[3] = region; 2266 mbox_cmd[4] = field0; 2267 mbox_cmd[5] = field1; 2268 2269 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], 2270 &mbox_sts[0]); 2271 if (status != QLA_SUCCESS) { 2272 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 2273 "status %04X\n", ha->host_no, __func__, 2274 mbox_sts[0])); 2275 } 2276 return status; 2277 } 2278 2279 /** 2280 * qla4_8xxx_set_param - set driver version in firmware. 2281 * @ha: Pointer to host adapter structure. 2282 * @param: Parameter to set i.e driver version 2283 **/ 2284 int qla4_8xxx_set_param(struct scsi_qla_host *ha, int param) 2285 { 2286 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2287 uint32_t mbox_sts[MBOX_REG_COUNT]; 2288 uint32_t status; 2289 2290 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2291 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2292 2293 mbox_cmd[0] = MBOX_CMD_SET_PARAM; 2294 if (param == SET_DRVR_VERSION) { 2295 mbox_cmd[1] = SET_DRVR_VERSION; 2296 strncpy((char *)&mbox_cmd[2], QLA4XXX_DRIVER_VERSION, 2297 MAX_DRVR_VER_LEN); 2298 } else { 2299 ql4_printk(KERN_ERR, ha, "%s: invalid parameter 0x%x\n", 2300 __func__, param); 2301 status = QLA_ERROR; 2302 goto exit_set_param; 2303 } 2304 2305 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, mbox_cmd, 2306 mbox_sts); 2307 if (status == QLA_ERROR) 2308 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", 2309 __func__, mbox_sts[0]); 2310 2311 exit_set_param: 2312 return status; 2313 } 2314 2315 /** 2316 * qla4_83xx_post_idc_ack - post IDC ACK 2317 * @ha: Pointer to host adapter structure. 2318 * 2319 * Posts IDC ACK for IDC Request Notification AEN. 2320 **/ 2321 int qla4_83xx_post_idc_ack(struct scsi_qla_host *ha) 2322 { 2323 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2324 uint32_t mbox_sts[MBOX_REG_COUNT]; 2325 int status; 2326 2327 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2328 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2329 2330 mbox_cmd[0] = MBOX_CMD_IDC_ACK; 2331 mbox_cmd[1] = ha->idc_info.request_desc; 2332 mbox_cmd[2] = ha->idc_info.info1; 2333 mbox_cmd[3] = ha->idc_info.info2; 2334 mbox_cmd[4] = ha->idc_info.info3; 2335 2336 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 2337 mbox_cmd, mbox_sts); 2338 if (status == QLA_ERROR) 2339 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__, 2340 mbox_sts[0]); 2341 else 2342 ql4_printk(KERN_INFO, ha, "%s: IDC ACK posted\n", __func__); 2343 2344 return status; 2345 } 2346 2347 int qla4_84xx_config_acb(struct scsi_qla_host *ha, int acb_config) 2348 { 2349 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2350 uint32_t mbox_sts[MBOX_REG_COUNT]; 2351 struct addr_ctrl_blk *acb = NULL; 2352 uint32_t acb_len = sizeof(struct addr_ctrl_blk); 2353 int rval = QLA_SUCCESS; 2354 dma_addr_t acb_dma; 2355 2356 acb = dma_alloc_coherent(&ha->pdev->dev, 2357 sizeof(struct addr_ctrl_blk), 2358 &acb_dma, GFP_KERNEL); 2359 if (!acb) { 2360 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", __func__); 2361 rval = QLA_ERROR; 2362 goto exit_config_acb; 2363 } 2364 memset(acb, 0, acb_len); 2365 2366 switch (acb_config) { 2367 case ACB_CONFIG_DISABLE: 2368 rval = qla4xxx_get_acb(ha, acb_dma, 0, acb_len); 2369 if (rval != QLA_SUCCESS) 2370 goto exit_free_acb; 2371 2372 rval = qla4xxx_disable_acb(ha); 2373 if (rval != QLA_SUCCESS) 2374 goto exit_free_acb; 2375 2376 if (!ha->saved_acb) 2377 ha->saved_acb = kzalloc(acb_len, GFP_KERNEL); 2378 2379 if (!ha->saved_acb) { 2380 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 2381 __func__); 2382 rval = QLA_ERROR; 2383 goto exit_config_acb; 2384 } 2385 memcpy(ha->saved_acb, acb, acb_len); 2386 break; 2387 case ACB_CONFIG_SET: 2388 2389 if (!ha->saved_acb) { 2390 ql4_printk(KERN_ERR, ha, "%s: Can't set ACB, Saved ACB not available\n", 2391 __func__); 2392 rval = QLA_ERROR; 2393 goto exit_free_acb; 2394 } 2395 2396 memcpy(acb, ha->saved_acb, acb_len); 2397 kfree(ha->saved_acb); 2398 ha->saved_acb = NULL; 2399 2400 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 2401 if (rval != QLA_SUCCESS) 2402 goto exit_free_acb; 2403 2404 break; 2405 default: 2406 ql4_printk(KERN_ERR, ha, "%s: Invalid ACB Configuration\n", 2407 __func__); 2408 } 2409 2410 exit_free_acb: 2411 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), acb, 2412 acb_dma); 2413 exit_config_acb: 2414 DEBUG2(ql4_printk(KERN_INFO, ha, 2415 "%s %s\n", __func__, 2416 rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 2417 return rval; 2418 } 2419 2420 int qla4_83xx_get_port_config(struct scsi_qla_host *ha, uint32_t *config) 2421 { 2422 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2423 uint32_t mbox_sts[MBOX_REG_COUNT]; 2424 int status; 2425 2426 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2427 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2428 2429 mbox_cmd[0] = MBOX_CMD_GET_PORT_CONFIG; 2430 2431 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 2432 mbox_cmd, mbox_sts); 2433 if (status == QLA_SUCCESS) 2434 *config = mbox_sts[1]; 2435 else 2436 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__, 2437 mbox_sts[0]); 2438 2439 return status; 2440 } 2441 2442 int qla4_83xx_set_port_config(struct scsi_qla_host *ha, uint32_t *config) 2443 { 2444 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2445 uint32_t mbox_sts[MBOX_REG_COUNT]; 2446 int status; 2447 2448 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2449 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2450 2451 mbox_cmd[0] = MBOX_CMD_SET_PORT_CONFIG; 2452 mbox_cmd[1] = *config; 2453 2454 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 2455 mbox_cmd, mbox_sts); 2456 if (status != QLA_SUCCESS) 2457 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__, 2458 mbox_sts[0]); 2459 2460 return status; 2461 } 2462