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 * returns: 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 ql4_printk(KERN_WARNING, ha, "scsi%ld: Mailbox Cmd 0x%08X timed out, Scheduling Adapter Reset\n", 216 ha->host_no, mbx_cmd[0]); 217 ha->mailbox_timeout_count++; 218 mbx_sts[0] = (-1); 219 set_bit(DPC_RESET_HA, &ha->dpc_flags); 220 if (is_qla8022(ha)) { 221 ql4_printk(KERN_INFO, ha, 222 "disabling pause transmit on port 0 & 1.\n"); 223 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 224 CRB_NIU_XG_PAUSE_CTL_P0 | 225 CRB_NIU_XG_PAUSE_CTL_P1); 226 } else if (is_qla8032(ha) || is_qla8042(ha)) { 227 ql4_printk(KERN_INFO, ha, " %s: disabling pause transmit on port 0 & 1.\n", 228 __func__); 229 qla4_83xx_disable_pause(ha); 230 } 231 goto mbox_exit; 232 } 233 234 /* 235 * Copy the mailbox out registers to the caller's mailbox in/out 236 * structure. 237 */ 238 spin_lock_irqsave(&ha->hardware_lock, flags); 239 for (i = 0; i < outCount; i++) 240 mbx_sts[i] = ha->mbox_status[i]; 241 242 /* Set return status and error flags (if applicable). */ 243 switch (ha->mbox_status[0]) { 244 case MBOX_STS_COMMAND_COMPLETE: 245 status = QLA_SUCCESS; 246 break; 247 248 case MBOX_STS_INTERMEDIATE_COMPLETION: 249 status = QLA_SUCCESS; 250 break; 251 252 case MBOX_STS_BUSY: 253 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Cmd = %08X, ISP BUSY\n", 254 ha->host_no, __func__, mbx_cmd[0]); 255 ha->mailbox_timeout_count++; 256 break; 257 258 default: 259 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: FAILED, MBOX CMD = %08X, MBOX STS = %08X %08X %08X %08X %08X %08X %08X %08X\n", 260 ha->host_no, __func__, mbx_cmd[0], mbx_sts[0], 261 mbx_sts[1], mbx_sts[2], mbx_sts[3], mbx_sts[4], 262 mbx_sts[5], mbx_sts[6], mbx_sts[7]); 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); 386 387 if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) != 388 QLA_SUCCESS) { 389 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: " 390 "MBOX_CMD_INITIALIZE_FIRMWARE" 391 " failed w/ status %04X\n", 392 ha->host_no, __func__, mbox_sts[0])); 393 return QLA_ERROR; 394 } 395 return QLA_SUCCESS; 396 } 397 398 uint8_t 399 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, 400 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma) 401 { 402 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT); 403 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT); 404 mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK; 405 mbox_cmd[2] = LSDW(init_fw_cb_dma); 406 mbox_cmd[3] = MSDW(init_fw_cb_dma); 407 mbox_cmd[4] = sizeof(struct addr_ctrl_blk); 408 409 if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) != 410 QLA_SUCCESS) { 411 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: " 412 "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK" 413 " failed w/ status %04X\n", 414 ha->host_no, __func__, mbox_sts[0])); 415 return QLA_ERROR; 416 } 417 return QLA_SUCCESS; 418 } 419 420 uint8_t qla4xxx_set_ipaddr_state(uint8_t fw_ipaddr_state) 421 { 422 uint8_t ipaddr_state; 423 424 switch (fw_ipaddr_state) { 425 case IP_ADDRSTATE_UNCONFIGURED: 426 ipaddr_state = ISCSI_IPDDRESS_STATE_UNCONFIGURED; 427 break; 428 case IP_ADDRSTATE_INVALID: 429 ipaddr_state = ISCSI_IPDDRESS_STATE_INVALID; 430 break; 431 case IP_ADDRSTATE_ACQUIRING: 432 ipaddr_state = ISCSI_IPDDRESS_STATE_ACQUIRING; 433 break; 434 case IP_ADDRSTATE_TENTATIVE: 435 ipaddr_state = ISCSI_IPDDRESS_STATE_TENTATIVE; 436 break; 437 case IP_ADDRSTATE_DEPRICATED: 438 ipaddr_state = ISCSI_IPDDRESS_STATE_DEPRECATED; 439 break; 440 case IP_ADDRSTATE_PREFERRED: 441 ipaddr_state = ISCSI_IPDDRESS_STATE_VALID; 442 break; 443 case IP_ADDRSTATE_DISABLING: 444 ipaddr_state = ISCSI_IPDDRESS_STATE_DISABLING; 445 break; 446 default: 447 ipaddr_state = ISCSI_IPDDRESS_STATE_UNCONFIGURED; 448 } 449 return ipaddr_state; 450 } 451 452 static void 453 qla4xxx_update_local_ip(struct scsi_qla_host *ha, 454 struct addr_ctrl_blk *init_fw_cb) 455 { 456 ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts); 457 ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts); 458 ha->ip_config.ipv4_addr_state = 459 qla4xxx_set_ipaddr_state(init_fw_cb->ipv4_addr_state); 460 ha->ip_config.eth_mtu_size = 461 le16_to_cpu(init_fw_cb->eth_mtu_size); 462 ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port); 463 464 if (ha->acb_version == ACB_SUPPORTED) { 465 ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts); 466 ha->ip_config.ipv6_addl_options = 467 le16_to_cpu(init_fw_cb->ipv6_addtl_opts); 468 ha->ip_config.ipv6_tcp_options = 469 le16_to_cpu(init_fw_cb->ipv6_tcp_opts); 470 } 471 472 /* Save IPv4 Address Info */ 473 memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr, 474 min(sizeof(ha->ip_config.ip_address), 475 sizeof(init_fw_cb->ipv4_addr))); 476 memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet, 477 min(sizeof(ha->ip_config.subnet_mask), 478 sizeof(init_fw_cb->ipv4_subnet))); 479 memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr, 480 min(sizeof(ha->ip_config.gateway), 481 sizeof(init_fw_cb->ipv4_gw_addr))); 482 483 ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag); 484 ha->ip_config.control = init_fw_cb->control; 485 ha->ip_config.tcp_wsf = init_fw_cb->ipv4_tcp_wsf; 486 ha->ip_config.ipv4_tos = init_fw_cb->ipv4_tos; 487 ha->ip_config.ipv4_cache_id = init_fw_cb->ipv4_cacheid; 488 ha->ip_config.ipv4_alt_cid_len = init_fw_cb->ipv4_dhcp_alt_cid_len; 489 memcpy(ha->ip_config.ipv4_alt_cid, init_fw_cb->ipv4_dhcp_alt_cid, 490 min(sizeof(ha->ip_config.ipv4_alt_cid), 491 sizeof(init_fw_cb->ipv4_dhcp_alt_cid))); 492 ha->ip_config.ipv4_vid_len = init_fw_cb->ipv4_dhcp_vid_len; 493 memcpy(ha->ip_config.ipv4_vid, init_fw_cb->ipv4_dhcp_vid, 494 min(sizeof(ha->ip_config.ipv4_vid), 495 sizeof(init_fw_cb->ipv4_dhcp_vid))); 496 ha->ip_config.ipv4_ttl = init_fw_cb->ipv4_ttl; 497 ha->ip_config.def_timeout = le16_to_cpu(init_fw_cb->def_timeout); 498 ha->ip_config.abort_timer = init_fw_cb->abort_timer; 499 ha->ip_config.iscsi_options = le16_to_cpu(init_fw_cb->iscsi_opts); 500 ha->ip_config.iscsi_max_pdu_size = 501 le16_to_cpu(init_fw_cb->iscsi_max_pdu_size); 502 ha->ip_config.iscsi_first_burst_len = 503 le16_to_cpu(init_fw_cb->iscsi_fburst_len); 504 ha->ip_config.iscsi_max_outstnd_r2t = 505 le16_to_cpu(init_fw_cb->iscsi_max_outstnd_r2t); 506 ha->ip_config.iscsi_max_burst_len = 507 le16_to_cpu(init_fw_cb->iscsi_max_burst_len); 508 memcpy(ha->ip_config.iscsi_name, init_fw_cb->iscsi_name, 509 min(sizeof(ha->ip_config.iscsi_name), 510 sizeof(init_fw_cb->iscsi_name))); 511 512 if (is_ipv6_enabled(ha)) { 513 /* Save IPv6 Address */ 514 ha->ip_config.ipv6_link_local_state = 515 qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_lnk_lcl_addr_state); 516 ha->ip_config.ipv6_addr0_state = 517 qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_addr0_state); 518 ha->ip_config.ipv6_addr1_state = 519 qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_addr1_state); 520 521 switch (le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state)) { 522 case IPV6_RTRSTATE_UNKNOWN: 523 ha->ip_config.ipv6_default_router_state = 524 ISCSI_ROUTER_STATE_UNKNOWN; 525 break; 526 case IPV6_RTRSTATE_MANUAL: 527 ha->ip_config.ipv6_default_router_state = 528 ISCSI_ROUTER_STATE_MANUAL; 529 break; 530 case IPV6_RTRSTATE_ADVERTISED: 531 ha->ip_config.ipv6_default_router_state = 532 ISCSI_ROUTER_STATE_ADVERTISED; 533 break; 534 case IPV6_RTRSTATE_STALE: 535 ha->ip_config.ipv6_default_router_state = 536 ISCSI_ROUTER_STATE_STALE; 537 break; 538 default: 539 ha->ip_config.ipv6_default_router_state = 540 ISCSI_ROUTER_STATE_UNKNOWN; 541 } 542 543 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE; 544 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80; 545 546 memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8], 547 init_fw_cb->ipv6_if_id, 548 min(sizeof(ha->ip_config.ipv6_link_local_addr)/2, 549 sizeof(init_fw_cb->ipv6_if_id))); 550 memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0, 551 min(sizeof(ha->ip_config.ipv6_addr0), 552 sizeof(init_fw_cb->ipv6_addr0))); 553 memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1, 554 min(sizeof(ha->ip_config.ipv6_addr1), 555 sizeof(init_fw_cb->ipv6_addr1))); 556 memcpy(&ha->ip_config.ipv6_default_router_addr, 557 init_fw_cb->ipv6_dflt_rtr_addr, 558 min(sizeof(ha->ip_config.ipv6_default_router_addr), 559 sizeof(init_fw_cb->ipv6_dflt_rtr_addr))); 560 ha->ip_config.ipv6_vlan_tag = 561 be16_to_cpu(init_fw_cb->ipv6_vlan_tag); 562 ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port); 563 ha->ip_config.ipv6_cache_id = init_fw_cb->ipv6_cache_id; 564 ha->ip_config.ipv6_flow_lbl = 565 le16_to_cpu(init_fw_cb->ipv6_flow_lbl); 566 ha->ip_config.ipv6_traffic_class = 567 init_fw_cb->ipv6_traffic_class; 568 ha->ip_config.ipv6_hop_limit = init_fw_cb->ipv6_hop_limit; 569 ha->ip_config.ipv6_nd_reach_time = 570 le32_to_cpu(init_fw_cb->ipv6_nd_reach_time); 571 ha->ip_config.ipv6_nd_rexmit_timer = 572 le32_to_cpu(init_fw_cb->ipv6_nd_rexmit_timer); 573 ha->ip_config.ipv6_nd_stale_timeout = 574 le32_to_cpu(init_fw_cb->ipv6_nd_stale_timeout); 575 ha->ip_config.ipv6_dup_addr_detect_count = 576 init_fw_cb->ipv6_dup_addr_detect_count; 577 ha->ip_config.ipv6_gw_advrt_mtu = 578 le32_to_cpu(init_fw_cb->ipv6_gw_advrt_mtu); 579 ha->ip_config.ipv6_tcp_wsf = init_fw_cb->ipv6_tcp_wsf; 580 } 581 } 582 583 uint8_t 584 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha, 585 uint32_t *mbox_cmd, 586 uint32_t *mbox_sts, 587 struct addr_ctrl_blk *init_fw_cb, 588 dma_addr_t init_fw_cb_dma) 589 { 590 if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma) 591 != QLA_SUCCESS) { 592 DEBUG2(printk(KERN_WARNING 593 "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n", 594 ha->host_no, __func__)); 595 return QLA_ERROR; 596 } 597 598 DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk))); 599 600 /* Save some info in adapter structure. */ 601 ha->acb_version = init_fw_cb->acb_version; 602 ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options); 603 ha->heartbeat_interval = init_fw_cb->hb_interval; 604 memcpy(ha->name_string, init_fw_cb->iscsi_name, 605 min(sizeof(ha->name_string), 606 sizeof(init_fw_cb->iscsi_name))); 607 ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout); 608 /*memcpy(ha->alias, init_fw_cb->Alias, 609 min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/ 610 611 qla4xxx_update_local_ip(ha, init_fw_cb); 612 613 return QLA_SUCCESS; 614 } 615 616 /** 617 * qla4xxx_initialize_fw_cb - initializes firmware control block. 618 * @ha: Pointer to host adapter structure. 619 **/ 620 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha) 621 { 622 struct addr_ctrl_blk *init_fw_cb; 623 dma_addr_t init_fw_cb_dma; 624 uint32_t mbox_cmd[MBOX_REG_COUNT]; 625 uint32_t mbox_sts[MBOX_REG_COUNT]; 626 int status = QLA_ERROR; 627 628 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 629 sizeof(struct addr_ctrl_blk), 630 &init_fw_cb_dma, GFP_KERNEL); 631 if (init_fw_cb == NULL) { 632 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n", 633 ha->host_no, __func__)); 634 goto exit_init_fw_cb_no_free; 635 } 636 637 /* Get Initialize Firmware Control Block. */ 638 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 639 memset(&mbox_sts, 0, sizeof(mbox_sts)); 640 641 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) != 642 QLA_SUCCESS) { 643 goto exit_init_fw_cb; 644 } 645 646 /* Fill in the request and response queue information. */ 647 init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out); 648 init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in); 649 init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH); 650 init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH); 651 init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma)); 652 init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma)); 653 init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma)); 654 init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma)); 655 init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma)); 656 init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma)); 657 658 /* Set up required options. */ 659 init_fw_cb->fw_options |= 660 __constant_cpu_to_le16(FWOPT_SESSION_MODE | 661 FWOPT_INITIATOR_MODE); 662 663 if (is_qla80XX(ha)) 664 init_fw_cb->fw_options |= 665 __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB); 666 667 init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE); 668 669 init_fw_cb->add_fw_options = 0; 670 init_fw_cb->add_fw_options |= 671 __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT); 672 init_fw_cb->add_fw_options |= 673 __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE); 674 675 if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) 676 != QLA_SUCCESS) { 677 DEBUG2(printk(KERN_WARNING 678 "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n", 679 ha->host_no, __func__)); 680 goto exit_init_fw_cb; 681 } 682 683 if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], 684 init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) { 685 DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n", 686 ha->host_no, __func__)); 687 goto exit_init_fw_cb; 688 } 689 status = QLA_SUCCESS; 690 691 exit_init_fw_cb: 692 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 693 init_fw_cb, init_fw_cb_dma); 694 exit_init_fw_cb_no_free: 695 return status; 696 } 697 698 /** 699 * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP 700 * @ha: Pointer to host adapter structure. 701 **/ 702 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha) 703 { 704 struct addr_ctrl_blk *init_fw_cb; 705 dma_addr_t init_fw_cb_dma; 706 uint32_t mbox_cmd[MBOX_REG_COUNT]; 707 uint32_t mbox_sts[MBOX_REG_COUNT]; 708 709 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 710 sizeof(struct addr_ctrl_blk), 711 &init_fw_cb_dma, GFP_KERNEL); 712 if (init_fw_cb == NULL) { 713 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no, 714 __func__); 715 return QLA_ERROR; 716 } 717 718 /* Get Initialize Firmware Control Block. */ 719 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) != 720 QLA_SUCCESS) { 721 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n", 722 ha->host_no, __func__)); 723 dma_free_coherent(&ha->pdev->dev, 724 sizeof(struct addr_ctrl_blk), 725 init_fw_cb, init_fw_cb_dma); 726 return QLA_ERROR; 727 } 728 729 /* Save IP Address. */ 730 qla4xxx_update_local_ip(ha, init_fw_cb); 731 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 732 init_fw_cb, init_fw_cb_dma); 733 734 return QLA_SUCCESS; 735 } 736 737 /** 738 * qla4xxx_get_firmware_state - gets firmware state of HBA 739 * @ha: Pointer to host adapter structure. 740 **/ 741 int qla4xxx_get_firmware_state(struct scsi_qla_host * ha) 742 { 743 uint32_t mbox_cmd[MBOX_REG_COUNT]; 744 uint32_t mbox_sts[MBOX_REG_COUNT]; 745 746 /* Get firmware version */ 747 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 748 memset(&mbox_sts, 0, sizeof(mbox_sts)); 749 750 mbox_cmd[0] = MBOX_CMD_GET_FW_STATE; 751 752 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) != 753 QLA_SUCCESS) { 754 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ " 755 "status %04X\n", ha->host_no, __func__, 756 mbox_sts[0])); 757 return QLA_ERROR; 758 } 759 ha->firmware_state = mbox_sts[1]; 760 ha->board_id = mbox_sts[2]; 761 ha->addl_fw_state = mbox_sts[3]; 762 DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n", 763 ha->host_no, __func__, ha->firmware_state);) 764 765 return QLA_SUCCESS; 766 } 767 768 /** 769 * qla4xxx_get_firmware_status - retrieves firmware status 770 * @ha: Pointer to host adapter structure. 771 **/ 772 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha) 773 { 774 uint32_t mbox_cmd[MBOX_REG_COUNT]; 775 uint32_t mbox_sts[MBOX_REG_COUNT]; 776 777 /* Get firmware version */ 778 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 779 memset(&mbox_sts, 0, sizeof(mbox_sts)); 780 781 mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS; 782 783 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) != 784 QLA_SUCCESS) { 785 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ " 786 "status %04X\n", ha->host_no, __func__, 787 mbox_sts[0])); 788 return QLA_ERROR; 789 } 790 791 /* High-water mark of IOCBs */ 792 ha->iocb_hiwat = mbox_sts[2]; 793 DEBUG2(ql4_printk(KERN_INFO, ha, 794 "%s: firmware IOCBs available = %d\n", __func__, 795 ha->iocb_hiwat)); 796 797 if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION) 798 ha->iocb_hiwat -= IOCB_HIWAT_CUSHION; 799 800 /* Ideally, we should not enter this code, as the # of firmware 801 * IOCBs is hard-coded in the firmware. We set a default 802 * iocb_hiwat here just in case */ 803 if (ha->iocb_hiwat == 0) { 804 ha->iocb_hiwat = REQUEST_QUEUE_DEPTH / 4; 805 DEBUG2(ql4_printk(KERN_WARNING, ha, 806 "%s: Setting IOCB's to = %d\n", __func__, 807 ha->iocb_hiwat)); 808 } 809 810 return QLA_SUCCESS; 811 } 812 813 /* 814 * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry 815 * @ha: Pointer to host adapter structure. 816 * @fw_ddb_index: Firmware's device database index 817 * @fw_ddb_entry: Pointer to firmware's device database entry structure 818 * @num_valid_ddb_entries: Pointer to number of valid ddb entries 819 * @next_ddb_index: Pointer to next valid device database index 820 * @fw_ddb_device_state: Pointer to device state 821 **/ 822 int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha, 823 uint16_t fw_ddb_index, 824 struct dev_db_entry *fw_ddb_entry, 825 dma_addr_t fw_ddb_entry_dma, 826 uint32_t *num_valid_ddb_entries, 827 uint32_t *next_ddb_index, 828 uint32_t *fw_ddb_device_state, 829 uint32_t *conn_err_detail, 830 uint16_t *tcp_source_port_num, 831 uint16_t *connection_id) 832 { 833 int status = QLA_ERROR; 834 uint16_t options; 835 uint32_t mbox_cmd[MBOX_REG_COUNT]; 836 uint32_t mbox_sts[MBOX_REG_COUNT]; 837 838 /* Make sure the device index is valid */ 839 if (fw_ddb_index >= MAX_DDB_ENTRIES) { 840 DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n", 841 ha->host_no, __func__, fw_ddb_index)); 842 goto exit_get_fwddb; 843 } 844 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 845 memset(&mbox_sts, 0, sizeof(mbox_sts)); 846 if (fw_ddb_entry) 847 memset(fw_ddb_entry, 0, sizeof(struct dev_db_entry)); 848 849 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY; 850 mbox_cmd[1] = (uint32_t) fw_ddb_index; 851 mbox_cmd[2] = LSDW(fw_ddb_entry_dma); 852 mbox_cmd[3] = MSDW(fw_ddb_entry_dma); 853 mbox_cmd[4] = sizeof(struct dev_db_entry); 854 855 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) == 856 QLA_ERROR) { 857 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed" 858 " with status 0x%04X\n", ha->host_no, __func__, 859 mbox_sts[0])); 860 goto exit_get_fwddb; 861 } 862 if (fw_ddb_index != mbox_sts[1]) { 863 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n", 864 ha->host_no, __func__, fw_ddb_index, 865 mbox_sts[1])); 866 goto exit_get_fwddb; 867 } 868 if (fw_ddb_entry) { 869 options = le16_to_cpu(fw_ddb_entry->options); 870 if (options & DDB_OPT_IPV6_DEVICE) { 871 ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d " 872 "Next %d State %04x ConnErr %08x %pI6 " 873 ":%04d \"%s\"\n", __func__, fw_ddb_index, 874 mbox_sts[0], mbox_sts[2], mbox_sts[3], 875 mbox_sts[4], mbox_sts[5], 876 fw_ddb_entry->ip_addr, 877 le16_to_cpu(fw_ddb_entry->port), 878 fw_ddb_entry->iscsi_name); 879 } else { 880 ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d " 881 "Next %d State %04x ConnErr %08x %pI4 " 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 } 889 } 890 if (num_valid_ddb_entries) 891 *num_valid_ddb_entries = mbox_sts[2]; 892 if (next_ddb_index) 893 *next_ddb_index = mbox_sts[3]; 894 if (fw_ddb_device_state) 895 *fw_ddb_device_state = mbox_sts[4]; 896 897 /* 898 * RA: This mailbox has been changed to pass connection error and 899 * details. Its true for ISP4010 as per Version E - Not sure when it 900 * was changed. Get the time2wait from the fw_dd_entry field : 901 * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY 902 * struct. 903 */ 904 if (conn_err_detail) 905 *conn_err_detail = mbox_sts[5]; 906 if (tcp_source_port_num) 907 *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16); 908 if (connection_id) 909 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF; 910 status = QLA_SUCCESS; 911 912 exit_get_fwddb: 913 return status; 914 } 915 916 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index) 917 { 918 uint32_t mbox_cmd[MBOX_REG_COUNT]; 919 uint32_t mbox_sts[MBOX_REG_COUNT]; 920 int status; 921 922 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 923 memset(&mbox_sts, 0, sizeof(mbox_sts)); 924 925 mbox_cmd[0] = MBOX_CMD_CONN_OPEN; 926 mbox_cmd[1] = fw_ddb_index; 927 928 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], 929 &mbox_sts[0]); 930 DEBUG2(ql4_printk(KERN_INFO, ha, 931 "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n", 932 __func__, status, mbox_sts[0], mbox_sts[1])); 933 return status; 934 } 935 936 /** 937 * qla4xxx_set_fwddb_entry - sets a ddb entry. 938 * @ha: Pointer to host adapter structure. 939 * @fw_ddb_index: Firmware's device database index 940 * @fw_ddb_entry_dma: dma address of ddb entry 941 * @mbx_sts: mailbox 0 to be returned or NULL 942 * 943 * This routine initializes or updates the adapter's device database 944 * entry for the specified device. 945 **/ 946 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index, 947 dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts) 948 { 949 uint32_t mbox_cmd[MBOX_REG_COUNT]; 950 uint32_t mbox_sts[MBOX_REG_COUNT]; 951 int status; 952 953 /* Do not wait for completion. The firmware will send us an 954 * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status. 955 */ 956 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 957 memset(&mbox_sts, 0, sizeof(mbox_sts)); 958 959 mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY; 960 mbox_cmd[1] = (uint32_t) fw_ddb_index; 961 mbox_cmd[2] = LSDW(fw_ddb_entry_dma); 962 mbox_cmd[3] = MSDW(fw_ddb_entry_dma); 963 mbox_cmd[4] = sizeof(struct dev_db_entry); 964 965 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], 966 &mbox_sts[0]); 967 if (mbx_sts) 968 *mbx_sts = mbox_sts[0]; 969 DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n", 970 ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);) 971 972 return status; 973 } 974 975 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha, 976 struct ddb_entry *ddb_entry, int options) 977 { 978 int status; 979 uint32_t mbox_cmd[MBOX_REG_COUNT]; 980 uint32_t mbox_sts[MBOX_REG_COUNT]; 981 982 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 983 memset(&mbox_sts, 0, sizeof(mbox_sts)); 984 985 mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT; 986 mbox_cmd[1] = ddb_entry->fw_ddb_index; 987 mbox_cmd[3] = options; 988 989 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], 990 &mbox_sts[0]); 991 if (status != QLA_SUCCESS) { 992 DEBUG2(ql4_printk(KERN_INFO, ha, 993 "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT " 994 "failed sts %04X %04X", __func__, 995 mbox_sts[0], mbox_sts[1])); 996 if ((mbox_sts[0] == MBOX_STS_COMMAND_ERROR) && 997 (mbox_sts[1] == DDB_NOT_LOGGED_IN)) { 998 set_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); 999 } 1000 } 1001 1002 return status; 1003 } 1004 1005 /** 1006 * qla4xxx_get_crash_record - retrieves crash record. 1007 * @ha: Pointer to host adapter structure. 1008 * 1009 * This routine retrieves a crash record from the QLA4010 after an 8002h aen. 1010 **/ 1011 void qla4xxx_get_crash_record(struct scsi_qla_host * ha) 1012 { 1013 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1014 uint32_t mbox_sts[MBOX_REG_COUNT]; 1015 struct crash_record *crash_record = NULL; 1016 dma_addr_t crash_record_dma = 0; 1017 uint32_t crash_record_size = 0; 1018 1019 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1020 memset(&mbox_sts, 0, sizeof(mbox_cmd)); 1021 1022 /* Get size of crash record. */ 1023 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD; 1024 1025 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != 1026 QLA_SUCCESS) { 1027 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n", 1028 ha->host_no, __func__)); 1029 goto exit_get_crash_record; 1030 } 1031 crash_record_size = mbox_sts[4]; 1032 if (crash_record_size == 0) { 1033 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n", 1034 ha->host_no, __func__)); 1035 goto exit_get_crash_record; 1036 } 1037 1038 /* Alloc Memory for Crash Record. */ 1039 crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size, 1040 &crash_record_dma, GFP_KERNEL); 1041 if (crash_record == NULL) 1042 goto exit_get_crash_record; 1043 1044 /* Get Crash Record. */ 1045 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1046 memset(&mbox_sts, 0, sizeof(mbox_cmd)); 1047 1048 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD; 1049 mbox_cmd[2] = LSDW(crash_record_dma); 1050 mbox_cmd[3] = MSDW(crash_record_dma); 1051 mbox_cmd[4] = crash_record_size; 1052 1053 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != 1054 QLA_SUCCESS) 1055 goto exit_get_crash_record; 1056 1057 /* Dump Crash Record. */ 1058 1059 exit_get_crash_record: 1060 if (crash_record) 1061 dma_free_coherent(&ha->pdev->dev, crash_record_size, 1062 crash_record, crash_record_dma); 1063 } 1064 1065 /** 1066 * qla4xxx_get_conn_event_log - retrieves connection event log 1067 * @ha: Pointer to host adapter structure. 1068 **/ 1069 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha) 1070 { 1071 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1072 uint32_t mbox_sts[MBOX_REG_COUNT]; 1073 struct conn_event_log_entry *event_log = NULL; 1074 dma_addr_t event_log_dma = 0; 1075 uint32_t event_log_size = 0; 1076 uint32_t num_valid_entries; 1077 uint32_t oldest_entry = 0; 1078 uint32_t max_event_log_entries; 1079 uint8_t i; 1080 1081 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1082 memset(&mbox_sts, 0, sizeof(mbox_cmd)); 1083 1084 /* Get size of crash record. */ 1085 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG; 1086 1087 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != 1088 QLA_SUCCESS) 1089 goto exit_get_event_log; 1090 1091 event_log_size = mbox_sts[4]; 1092 if (event_log_size == 0) 1093 goto exit_get_event_log; 1094 1095 /* Alloc Memory for Crash Record. */ 1096 event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size, 1097 &event_log_dma, GFP_KERNEL); 1098 if (event_log == NULL) 1099 goto exit_get_event_log; 1100 1101 /* Get Crash Record. */ 1102 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1103 memset(&mbox_sts, 0, sizeof(mbox_cmd)); 1104 1105 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG; 1106 mbox_cmd[2] = LSDW(event_log_dma); 1107 mbox_cmd[3] = MSDW(event_log_dma); 1108 1109 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != 1110 QLA_SUCCESS) { 1111 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event " 1112 "log!\n", ha->host_no, __func__)); 1113 goto exit_get_event_log; 1114 } 1115 1116 /* Dump Event Log. */ 1117 num_valid_entries = mbox_sts[1]; 1118 1119 max_event_log_entries = event_log_size / 1120 sizeof(struct conn_event_log_entry); 1121 1122 if (num_valid_entries > max_event_log_entries) 1123 oldest_entry = num_valid_entries % max_event_log_entries; 1124 1125 DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n", 1126 ha->host_no, num_valid_entries)); 1127 1128 if (ql4xextended_error_logging == 3) { 1129 if (oldest_entry == 0) { 1130 /* Circular Buffer has not wrapped around */ 1131 for (i=0; i < num_valid_entries; i++) { 1132 qla4xxx_dump_buffer((uint8_t *)event_log+ 1133 (i*sizeof(*event_log)), 1134 sizeof(*event_log)); 1135 } 1136 } 1137 else { 1138 /* Circular Buffer has wrapped around - 1139 * display accordingly*/ 1140 for (i=oldest_entry; i < max_event_log_entries; i++) { 1141 qla4xxx_dump_buffer((uint8_t *)event_log+ 1142 (i*sizeof(*event_log)), 1143 sizeof(*event_log)); 1144 } 1145 for (i=0; i < oldest_entry; i++) { 1146 qla4xxx_dump_buffer((uint8_t *)event_log+ 1147 (i*sizeof(*event_log)), 1148 sizeof(*event_log)); 1149 } 1150 } 1151 } 1152 1153 exit_get_event_log: 1154 if (event_log) 1155 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log, 1156 event_log_dma); 1157 } 1158 1159 /** 1160 * qla4xxx_abort_task - issues Abort Task 1161 * @ha: Pointer to host adapter structure. 1162 * @srb: Pointer to srb entry 1163 * 1164 * This routine performs a LUN RESET on the specified target/lun. 1165 * The caller must ensure that the ddb_entry and lun_entry pointers 1166 * are valid before calling this routine. 1167 **/ 1168 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb) 1169 { 1170 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1171 uint32_t mbox_sts[MBOX_REG_COUNT]; 1172 struct scsi_cmnd *cmd = srb->cmd; 1173 int status = QLA_SUCCESS; 1174 unsigned long flags = 0; 1175 uint32_t index; 1176 1177 /* 1178 * Send abort task command to ISP, so that the ISP will return 1179 * request with ABORT status 1180 */ 1181 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1182 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1183 1184 spin_lock_irqsave(&ha->hardware_lock, flags); 1185 index = (unsigned long)(unsigned char *)cmd->host_scribble; 1186 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1187 1188 /* Firmware already posted completion on response queue */ 1189 if (index == MAX_SRBS) 1190 return status; 1191 1192 mbox_cmd[0] = MBOX_CMD_ABORT_TASK; 1193 mbox_cmd[1] = srb->ddb->fw_ddb_index; 1194 mbox_cmd[2] = index; 1195 /* Immediate Command Enable */ 1196 mbox_cmd[5] = 0x01; 1197 1198 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], 1199 &mbox_sts[0]); 1200 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) { 1201 status = QLA_ERROR; 1202 1203 DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%llu: abort task FAILED: " 1204 "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n", 1205 ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0], 1206 mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4])); 1207 } 1208 1209 return status; 1210 } 1211 1212 /** 1213 * qla4xxx_reset_lun - issues LUN Reset 1214 * @ha: Pointer to host adapter structure. 1215 * @ddb_entry: Pointer to device database entry 1216 * @lun: lun number 1217 * 1218 * This routine performs a LUN RESET on the specified target/lun. 1219 * The caller must ensure that the ddb_entry and lun_entry pointers 1220 * are valid before calling this routine. 1221 **/ 1222 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry, 1223 uint64_t lun) 1224 { 1225 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1226 uint32_t mbox_sts[MBOX_REG_COUNT]; 1227 uint32_t scsi_lun[2]; 1228 int status = QLA_SUCCESS; 1229 1230 DEBUG2(printk("scsi%ld:%d:%llu: lun reset issued\n", ha->host_no, 1231 ddb_entry->fw_ddb_index, lun)); 1232 1233 /* 1234 * Send lun reset command to ISP, so that the ISP will return all 1235 * outstanding requests with RESET status 1236 */ 1237 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1238 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1239 int_to_scsilun(lun, (struct scsi_lun *) scsi_lun); 1240 1241 mbox_cmd[0] = MBOX_CMD_LUN_RESET; 1242 mbox_cmd[1] = ddb_entry->fw_ddb_index; 1243 /* FW expects LUN bytes 0-3 in Incoming Mailbox 2 1244 * (LUN byte 0 is LSByte, byte 3 is MSByte) */ 1245 mbox_cmd[2] = cpu_to_le32(scsi_lun[0]); 1246 /* FW expects LUN bytes 4-7 in Incoming Mailbox 3 1247 * (LUN byte 4 is LSByte, byte 7 is MSByte) */ 1248 mbox_cmd[3] = cpu_to_le32(scsi_lun[1]); 1249 mbox_cmd[5] = 0x01; /* Immediate Command Enable */ 1250 1251 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]); 1252 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE && 1253 mbox_sts[0] != MBOX_STS_COMMAND_ERROR) 1254 status = QLA_ERROR; 1255 1256 return status; 1257 } 1258 1259 /** 1260 * qla4xxx_reset_target - issues target Reset 1261 * @ha: Pointer to host adapter structure. 1262 * @ddb_entry: Pointer to device database entry 1263 * 1264 * This routine performs a TARGET RESET on the specified target. 1265 * The caller must ensure that the ddb_entry pointers 1266 * are valid before calling this routine. 1267 **/ 1268 int qla4xxx_reset_target(struct scsi_qla_host *ha, 1269 struct ddb_entry *ddb_entry) 1270 { 1271 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1272 uint32_t mbox_sts[MBOX_REG_COUNT]; 1273 int status = QLA_SUCCESS; 1274 1275 DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no, 1276 ddb_entry->fw_ddb_index)); 1277 1278 /* 1279 * Send target reset command to ISP, so that the ISP will return all 1280 * outstanding requests with RESET status 1281 */ 1282 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1283 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1284 1285 mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET; 1286 mbox_cmd[1] = ddb_entry->fw_ddb_index; 1287 mbox_cmd[5] = 0x01; /* Immediate Command Enable */ 1288 1289 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 1290 &mbox_sts[0]); 1291 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE && 1292 mbox_sts[0] != MBOX_STS_COMMAND_ERROR) 1293 status = QLA_ERROR; 1294 1295 return status; 1296 } 1297 1298 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr, 1299 uint32_t offset, uint32_t len) 1300 { 1301 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1302 uint32_t mbox_sts[MBOX_REG_COUNT]; 1303 1304 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1305 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1306 1307 mbox_cmd[0] = MBOX_CMD_READ_FLASH; 1308 mbox_cmd[1] = LSDW(dma_addr); 1309 mbox_cmd[2] = MSDW(dma_addr); 1310 mbox_cmd[3] = offset; 1311 mbox_cmd[4] = len; 1312 1313 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) != 1314 QLA_SUCCESS) { 1315 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ " 1316 "status %04X %04X, offset %08x, len %08x\n", ha->host_no, 1317 __func__, mbox_sts[0], mbox_sts[1], offset, len)); 1318 return QLA_ERROR; 1319 } 1320 return QLA_SUCCESS; 1321 } 1322 1323 /** 1324 * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version 1325 * @ha: Pointer to host adapter structure. 1326 * 1327 * Retrieves the FW version, iSCSI draft version & bootloader version of HBA. 1328 * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to 1329 * those mailboxes, if unused. 1330 **/ 1331 int qla4xxx_about_firmware(struct scsi_qla_host *ha) 1332 { 1333 struct about_fw_info *about_fw = NULL; 1334 dma_addr_t about_fw_dma; 1335 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1336 uint32_t mbox_sts[MBOX_REG_COUNT]; 1337 int status = QLA_ERROR; 1338 1339 about_fw = dma_alloc_coherent(&ha->pdev->dev, 1340 sizeof(struct about_fw_info), 1341 &about_fw_dma, GFP_KERNEL); 1342 if (!about_fw) { 1343 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory " 1344 "for about_fw\n", __func__)); 1345 return status; 1346 } 1347 1348 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1349 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1350 1351 mbox_cmd[0] = MBOX_CMD_ABOUT_FW; 1352 mbox_cmd[2] = LSDW(about_fw_dma); 1353 mbox_cmd[3] = MSDW(about_fw_dma); 1354 mbox_cmd[4] = sizeof(struct about_fw_info); 1355 1356 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 1357 &mbox_cmd[0], &mbox_sts[0]); 1358 if (status != QLA_SUCCESS) { 1359 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW " 1360 "failed w/ status %04X\n", __func__, 1361 mbox_sts[0])); 1362 goto exit_about_fw; 1363 } 1364 1365 /* Save version information. */ 1366 ha->fw_info.fw_major = le16_to_cpu(about_fw->fw_major); 1367 ha->fw_info.fw_minor = le16_to_cpu(about_fw->fw_minor); 1368 ha->fw_info.fw_patch = le16_to_cpu(about_fw->fw_patch); 1369 ha->fw_info.fw_build = le16_to_cpu(about_fw->fw_build); 1370 memcpy(ha->fw_info.fw_build_date, about_fw->fw_build_date, 1371 sizeof(about_fw->fw_build_date)); 1372 memcpy(ha->fw_info.fw_build_time, about_fw->fw_build_time, 1373 sizeof(about_fw->fw_build_time)); 1374 strcpy((char *)ha->fw_info.fw_build_user, 1375 skip_spaces((char *)about_fw->fw_build_user)); 1376 ha->fw_info.fw_load_source = le16_to_cpu(about_fw->fw_load_source); 1377 ha->fw_info.iscsi_major = le16_to_cpu(about_fw->iscsi_major); 1378 ha->fw_info.iscsi_minor = le16_to_cpu(about_fw->iscsi_minor); 1379 ha->fw_info.bootload_major = le16_to_cpu(about_fw->bootload_major); 1380 ha->fw_info.bootload_minor = le16_to_cpu(about_fw->bootload_minor); 1381 ha->fw_info.bootload_patch = le16_to_cpu(about_fw->bootload_patch); 1382 ha->fw_info.bootload_build = le16_to_cpu(about_fw->bootload_build); 1383 strcpy((char *)ha->fw_info.extended_timestamp, 1384 skip_spaces((char *)about_fw->extended_timestamp)); 1385 1386 ha->fw_uptime_secs = le32_to_cpu(mbox_sts[5]); 1387 ha->fw_uptime_msecs = le32_to_cpu(mbox_sts[6]); 1388 status = QLA_SUCCESS; 1389 1390 exit_about_fw: 1391 dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info), 1392 about_fw, about_fw_dma); 1393 return status; 1394 } 1395 1396 int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options, 1397 dma_addr_t dma_addr) 1398 { 1399 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1400 uint32_t mbox_sts[MBOX_REG_COUNT]; 1401 1402 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1403 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1404 1405 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS; 1406 mbox_cmd[1] = options; 1407 mbox_cmd[2] = LSDW(dma_addr); 1408 mbox_cmd[3] = MSDW(dma_addr); 1409 1410 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) != 1411 QLA_SUCCESS) { 1412 DEBUG2(printk("scsi%ld: %s: failed status %04X\n", 1413 ha->host_no, __func__, mbox_sts[0])); 1414 return QLA_ERROR; 1415 } 1416 return QLA_SUCCESS; 1417 } 1418 1419 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index, 1420 uint32_t *mbx_sts) 1421 { 1422 int status; 1423 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1424 uint32_t mbox_sts[MBOX_REG_COUNT]; 1425 1426 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1427 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1428 1429 mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY; 1430 mbox_cmd[1] = ddb_index; 1431 1432 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 1433 &mbox_sts[0]); 1434 if (status != QLA_SUCCESS) { 1435 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", 1436 __func__, mbox_sts[0])); 1437 } 1438 1439 *mbx_sts = mbox_sts[0]; 1440 return status; 1441 } 1442 1443 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index) 1444 { 1445 int status; 1446 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1447 uint32_t mbox_sts[MBOX_REG_COUNT]; 1448 1449 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1450 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1451 1452 mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY; 1453 mbox_cmd[1] = ddb_index; 1454 1455 status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0], 1456 &mbox_sts[0]); 1457 if (status != QLA_SUCCESS) { 1458 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", 1459 __func__, mbox_sts[0])); 1460 } 1461 1462 return status; 1463 } 1464 1465 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr, 1466 uint32_t offset, uint32_t length, uint32_t options) 1467 { 1468 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1469 uint32_t mbox_sts[MBOX_REG_COUNT]; 1470 int status = QLA_SUCCESS; 1471 1472 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1473 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1474 1475 mbox_cmd[0] = MBOX_CMD_WRITE_FLASH; 1476 mbox_cmd[1] = LSDW(dma_addr); 1477 mbox_cmd[2] = MSDW(dma_addr); 1478 mbox_cmd[3] = offset; 1479 mbox_cmd[4] = length; 1480 mbox_cmd[5] = options; 1481 1482 status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]); 1483 if (status != QLA_SUCCESS) { 1484 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH " 1485 "failed w/ status %04X, mbx1 %04X\n", 1486 __func__, mbox_sts[0], mbox_sts[1])); 1487 } 1488 return status; 1489 } 1490 1491 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha, 1492 struct dev_db_entry *fw_ddb_entry, 1493 dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index) 1494 { 1495 uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 1496 uint32_t dev_db_end_offset; 1497 int status = QLA_ERROR; 1498 1499 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 1500 1501 dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry)); 1502 dev_db_end_offset = FLASH_OFFSET_DB_END; 1503 1504 if (dev_db_start_offset > dev_db_end_offset) { 1505 DEBUG2(ql4_printk(KERN_ERR, ha, 1506 "%s:Invalid DDB index %d", __func__, 1507 ddb_index)); 1508 goto exit_bootdb_failed; 1509 } 1510 1511 if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 1512 sizeof(*fw_ddb_entry)) != QLA_SUCCESS) { 1513 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 1514 "failed\n", ha->host_no, __func__); 1515 goto exit_bootdb_failed; 1516 } 1517 1518 if (fw_ddb_entry->cookie == DDB_VALID_COOKIE) 1519 status = QLA_SUCCESS; 1520 1521 exit_bootdb_failed: 1522 return status; 1523 } 1524 1525 int qla4xxx_flashdb_by_index(struct scsi_qla_host *ha, 1526 struct dev_db_entry *fw_ddb_entry, 1527 dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index) 1528 { 1529 uint32_t dev_db_start_offset; 1530 uint32_t dev_db_end_offset; 1531 int status = QLA_ERROR; 1532 1533 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 1534 1535 if (is_qla40XX(ha)) { 1536 dev_db_start_offset = FLASH_OFFSET_DB_INFO; 1537 dev_db_end_offset = FLASH_OFFSET_DB_END; 1538 } else { 1539 dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 1540 (ha->hw.flt_region_ddb << 2); 1541 /* flt_ddb_size is DDB table size for both ports 1542 * so divide it by 2 to calculate the offset for second port 1543 */ 1544 if (ha->port_num == 1) 1545 dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 1546 1547 dev_db_end_offset = dev_db_start_offset + 1548 (ha->hw.flt_ddb_size / 2); 1549 } 1550 1551 dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry)); 1552 1553 if (dev_db_start_offset > dev_db_end_offset) { 1554 DEBUG2(ql4_printk(KERN_ERR, ha, 1555 "%s:Invalid DDB index %d", __func__, 1556 ddb_index)); 1557 goto exit_fdb_failed; 1558 } 1559 1560 if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 1561 sizeof(*fw_ddb_entry)) != QLA_SUCCESS) { 1562 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash failed\n", 1563 ha->host_no, __func__); 1564 goto exit_fdb_failed; 1565 } 1566 1567 if (fw_ddb_entry->cookie == DDB_VALID_COOKIE) 1568 status = QLA_SUCCESS; 1569 1570 exit_fdb_failed: 1571 return status; 1572 } 1573 1574 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password, 1575 uint16_t idx) 1576 { 1577 int ret = 0; 1578 int rval = QLA_ERROR; 1579 uint32_t offset = 0, chap_size; 1580 struct ql4_chap_table *chap_table; 1581 dma_addr_t chap_dma; 1582 1583 chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 1584 if (chap_table == NULL) 1585 return -ENOMEM; 1586 1587 chap_size = sizeof(struct ql4_chap_table); 1588 1589 if (is_qla40XX(ha)) 1590 offset = FLASH_CHAP_OFFSET | (idx * chap_size); 1591 else { 1592 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 1593 /* flt_chap_size is CHAP table size for both ports 1594 * so divide it by 2 to calculate the offset for second port 1595 */ 1596 if (ha->port_num == 1) 1597 offset += (ha->hw.flt_chap_size / 2); 1598 offset += (idx * chap_size); 1599 } 1600 1601 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 1602 if (rval != QLA_SUCCESS) { 1603 ret = -EINVAL; 1604 goto exit_get_chap; 1605 } 1606 1607 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 1608 __le16_to_cpu(chap_table->cookie))); 1609 1610 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 1611 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 1612 goto exit_get_chap; 1613 } 1614 1615 strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 1616 strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 1617 chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE); 1618 1619 exit_get_chap: 1620 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 1621 return ret; 1622 } 1623 1624 /** 1625 * qla4xxx_set_chap - Make a chap entry at the given index 1626 * @ha: pointer to adapter structure 1627 * @username: CHAP username to set 1628 * @password: CHAP password to set 1629 * @idx: CHAP index at which to make the entry 1630 * @bidi: type of chap entry (chap_in or chap_out) 1631 * 1632 * Create chap entry at the given index with the information provided. 1633 * 1634 * Note: Caller should acquire the chap lock before getting here. 1635 **/ 1636 int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password, 1637 uint16_t idx, int bidi) 1638 { 1639 int ret = 0; 1640 int rval = QLA_ERROR; 1641 uint32_t offset = 0; 1642 struct ql4_chap_table *chap_table; 1643 uint32_t chap_size = 0; 1644 dma_addr_t chap_dma; 1645 1646 chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 1647 if (chap_table == NULL) { 1648 ret = -ENOMEM; 1649 goto exit_set_chap; 1650 } 1651 1652 if (bidi) 1653 chap_table->flags |= BIT_6; /* peer */ 1654 else 1655 chap_table->flags |= BIT_7; /* local */ 1656 chap_table->secret_len = strlen(password); 1657 strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN - 1); 1658 strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN - 1); 1659 chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE); 1660 1661 if (is_qla40XX(ha)) { 1662 chap_size = MAX_CHAP_ENTRIES_40XX * sizeof(*chap_table); 1663 offset = FLASH_CHAP_OFFSET; 1664 } else { /* Single region contains CHAP info for both ports which is 1665 * divided into half for each port. 1666 */ 1667 chap_size = ha->hw.flt_chap_size / 2; 1668 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 1669 if (ha->port_num == 1) 1670 offset += chap_size; 1671 } 1672 1673 offset += (idx * sizeof(struct ql4_chap_table)); 1674 rval = qla4xxx_set_flash(ha, chap_dma, offset, 1675 sizeof(struct ql4_chap_table), 1676 FLASH_OPT_RMW_COMMIT); 1677 1678 if (rval == QLA_SUCCESS && ha->chap_list) { 1679 /* Update ha chap_list cache */ 1680 memcpy((struct ql4_chap_table *)ha->chap_list + idx, 1681 chap_table, sizeof(struct ql4_chap_table)); 1682 } 1683 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 1684 if (rval != QLA_SUCCESS) 1685 ret = -EINVAL; 1686 1687 exit_set_chap: 1688 return ret; 1689 } 1690 1691 1692 int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username, 1693 char *password, uint16_t chap_index) 1694 { 1695 int rval = QLA_ERROR; 1696 struct ql4_chap_table *chap_table = NULL; 1697 int max_chap_entries; 1698 1699 if (!ha->chap_list) { 1700 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 1701 rval = QLA_ERROR; 1702 goto exit_uni_chap; 1703 } 1704 1705 if (!username || !password) { 1706 ql4_printk(KERN_ERR, ha, "No memory for username & secret\n"); 1707 rval = QLA_ERROR; 1708 goto exit_uni_chap; 1709 } 1710 1711 if (is_qla80XX(ha)) 1712 max_chap_entries = (ha->hw.flt_chap_size / 2) / 1713 sizeof(struct ql4_chap_table); 1714 else 1715 max_chap_entries = MAX_CHAP_ENTRIES_40XX; 1716 1717 if (chap_index > max_chap_entries) { 1718 ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); 1719 rval = QLA_ERROR; 1720 goto exit_uni_chap; 1721 } 1722 1723 mutex_lock(&ha->chap_sem); 1724 chap_table = (struct ql4_chap_table *)ha->chap_list + chap_index; 1725 if (chap_table->cookie != __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 1726 rval = QLA_ERROR; 1727 goto exit_unlock_uni_chap; 1728 } 1729 1730 if (!(chap_table->flags & BIT_7)) { 1731 ql4_printk(KERN_ERR, ha, "Unidirectional entry not set\n"); 1732 rval = QLA_ERROR; 1733 goto exit_unlock_uni_chap; 1734 } 1735 1736 strlcpy(password, chap_table->secret, MAX_CHAP_SECRET_LEN); 1737 strlcpy(username, chap_table->name, MAX_CHAP_NAME_LEN); 1738 1739 rval = QLA_SUCCESS; 1740 1741 exit_unlock_uni_chap: 1742 mutex_unlock(&ha->chap_sem); 1743 exit_uni_chap: 1744 return rval; 1745 } 1746 1747 /** 1748 * qla4xxx_get_chap_index - Get chap index given username and secret 1749 * @ha: pointer to adapter structure 1750 * @username: CHAP username to be searched 1751 * @password: CHAP password to be searched 1752 * @bidi: Is this a BIDI CHAP 1753 * @chap_index: CHAP index to be returned 1754 * 1755 * Match the username and password in the chap_list, return the index if a 1756 * match is found. If a match is not found then add the entry in FLASH and 1757 * return the index at which entry is written in the FLASH. 1758 **/ 1759 int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username, 1760 char *password, int bidi, uint16_t *chap_index) 1761 { 1762 int i, rval; 1763 int free_index = -1; 1764 int found_index = 0; 1765 int max_chap_entries = 0; 1766 struct ql4_chap_table *chap_table; 1767 1768 if (is_qla80XX(ha)) 1769 max_chap_entries = (ha->hw.flt_chap_size / 2) / 1770 sizeof(struct ql4_chap_table); 1771 else 1772 max_chap_entries = MAX_CHAP_ENTRIES_40XX; 1773 1774 if (!ha->chap_list) { 1775 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 1776 return QLA_ERROR; 1777 } 1778 1779 if (!username || !password) { 1780 ql4_printk(KERN_ERR, ha, "Do not have username and psw\n"); 1781 return QLA_ERROR; 1782 } 1783 1784 mutex_lock(&ha->chap_sem); 1785 for (i = 0; i < max_chap_entries; i++) { 1786 chap_table = (struct ql4_chap_table *)ha->chap_list + i; 1787 if (chap_table->cookie != 1788 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 1789 if (i > MAX_RESRV_CHAP_IDX && free_index == -1) 1790 free_index = i; 1791 continue; 1792 } 1793 if (bidi) { 1794 if (chap_table->flags & BIT_7) 1795 continue; 1796 } else { 1797 if (chap_table->flags & BIT_6) 1798 continue; 1799 } 1800 if (!strncmp(chap_table->secret, password, 1801 MAX_CHAP_SECRET_LEN) && 1802 !strncmp(chap_table->name, username, 1803 MAX_CHAP_NAME_LEN)) { 1804 *chap_index = i; 1805 found_index = 1; 1806 break; 1807 } 1808 } 1809 1810 /* If chap entry is not present and a free index is available then 1811 * write the entry in flash 1812 */ 1813 if (!found_index && free_index != -1) { 1814 rval = qla4xxx_set_chap(ha, username, password, 1815 free_index, bidi); 1816 if (!rval) { 1817 *chap_index = free_index; 1818 found_index = 1; 1819 } 1820 } 1821 1822 mutex_unlock(&ha->chap_sem); 1823 1824 if (found_index) 1825 return QLA_SUCCESS; 1826 return QLA_ERROR; 1827 } 1828 1829 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha, 1830 uint16_t fw_ddb_index, 1831 uint16_t connection_id, 1832 uint16_t option) 1833 { 1834 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1835 uint32_t mbox_sts[MBOX_REG_COUNT]; 1836 int status = QLA_SUCCESS; 1837 1838 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1839 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1840 1841 mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT; 1842 mbox_cmd[1] = fw_ddb_index; 1843 mbox_cmd[2] = connection_id; 1844 mbox_cmd[3] = option; 1845 1846 status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]); 1847 if (status != QLA_SUCCESS) { 1848 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE " 1849 "option %04x failed w/ status %04X %04X\n", 1850 __func__, option, mbox_sts[0], mbox_sts[1])); 1851 } 1852 return status; 1853 } 1854 1855 /** 1856 * qla4_84xx_extend_idc_tmo - Extend IDC Timeout. 1857 * @ha: Pointer to host adapter structure. 1858 * @ext_tmo: idc timeout value 1859 * 1860 * Requests firmware to extend the idc timeout value. 1861 **/ 1862 static int qla4_84xx_extend_idc_tmo(struct scsi_qla_host *ha, uint32_t ext_tmo) 1863 { 1864 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1865 uint32_t mbox_sts[MBOX_REG_COUNT]; 1866 int status; 1867 1868 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1869 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1870 ext_tmo &= 0xf; 1871 1872 mbox_cmd[0] = MBOX_CMD_IDC_TIME_EXTEND; 1873 mbox_cmd[1] = ((ha->idc_info.request_desc & 0xfffff0ff) | 1874 (ext_tmo << 8)); /* new timeout */ 1875 mbox_cmd[2] = ha->idc_info.info1; 1876 mbox_cmd[3] = ha->idc_info.info2; 1877 mbox_cmd[4] = ha->idc_info.info3; 1878 1879 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 1880 mbox_cmd, mbox_sts); 1881 if (status != QLA_SUCCESS) { 1882 DEBUG2(ql4_printk(KERN_INFO, ha, 1883 "scsi%ld: %s: failed status %04X\n", 1884 ha->host_no, __func__, mbox_sts[0])); 1885 return QLA_ERROR; 1886 } else { 1887 ql4_printk(KERN_INFO, ha, "%s: IDC timeout extended by %d secs\n", 1888 __func__, ext_tmo); 1889 } 1890 1891 return QLA_SUCCESS; 1892 } 1893 1894 int qla4xxx_disable_acb(struct scsi_qla_host *ha) 1895 { 1896 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1897 uint32_t mbox_sts[MBOX_REG_COUNT]; 1898 int status = QLA_SUCCESS; 1899 1900 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1901 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1902 1903 mbox_cmd[0] = MBOX_CMD_DISABLE_ACB; 1904 1905 status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]); 1906 if (status != QLA_SUCCESS) { 1907 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB " 1908 "failed w/ status %04X %04X %04X", __func__, 1909 mbox_sts[0], mbox_sts[1], mbox_sts[2])); 1910 } else { 1911 if (is_qla8042(ha) && 1912 test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) && 1913 (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE)) { 1914 /* 1915 * Disable ACB mailbox command takes time to complete 1916 * based on the total number of targets connected. 1917 * For 512 targets, it took approximately 5 secs to 1918 * complete. Setting the timeout value to 8, with the 3 1919 * secs buffer. 1920 */ 1921 qla4_84xx_extend_idc_tmo(ha, IDC_EXTEND_TOV); 1922 if (!wait_for_completion_timeout(&ha->disable_acb_comp, 1923 IDC_EXTEND_TOV * HZ)) { 1924 ql4_printk(KERN_WARNING, ha, "%s: Disable ACB Completion not received\n", 1925 __func__); 1926 } 1927 } 1928 } 1929 return status; 1930 } 1931 1932 int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma, 1933 uint32_t acb_type, uint32_t len) 1934 { 1935 uint32_t mbox_cmd[MBOX_REG_COUNT]; 1936 uint32_t mbox_sts[MBOX_REG_COUNT]; 1937 int status = QLA_SUCCESS; 1938 1939 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1940 memset(&mbox_sts, 0, sizeof(mbox_sts)); 1941 1942 mbox_cmd[0] = MBOX_CMD_GET_ACB; 1943 mbox_cmd[1] = acb_type; 1944 mbox_cmd[2] = LSDW(acb_dma); 1945 mbox_cmd[3] = MSDW(acb_dma); 1946 mbox_cmd[4] = len; 1947 1948 status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]); 1949 if (status != QLA_SUCCESS) { 1950 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB " 1951 "failed w/ status %04X\n", __func__, 1952 mbox_sts[0])); 1953 } 1954 return status; 1955 } 1956 1957 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, 1958 uint32_t *mbox_sts, dma_addr_t acb_dma) 1959 { 1960 int status = QLA_SUCCESS; 1961 1962 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT); 1963 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT); 1964 mbox_cmd[0] = MBOX_CMD_SET_ACB; 1965 mbox_cmd[1] = 0; /* Primary ACB */ 1966 mbox_cmd[2] = LSDW(acb_dma); 1967 mbox_cmd[3] = MSDW(acb_dma); 1968 mbox_cmd[4] = sizeof(struct addr_ctrl_blk); 1969 1970 status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]); 1971 if (status != QLA_SUCCESS) { 1972 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_SET_ACB " 1973 "failed w/ status %04X\n", __func__, 1974 mbox_sts[0])); 1975 } 1976 return status; 1977 } 1978 1979 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha, 1980 struct ddb_entry *ddb_entry, 1981 struct iscsi_cls_conn *cls_conn, 1982 uint32_t *mbx_sts) 1983 { 1984 struct dev_db_entry *fw_ddb_entry; 1985 struct iscsi_conn *conn; 1986 struct iscsi_session *sess; 1987 struct qla_conn *qla_conn; 1988 struct sockaddr *dst_addr; 1989 dma_addr_t fw_ddb_entry_dma; 1990 int status = QLA_SUCCESS; 1991 int rval = 0; 1992 struct sockaddr_in *addr; 1993 struct sockaddr_in6 *addr6; 1994 char *ip; 1995 uint16_t iscsi_opts = 0; 1996 uint32_t options = 0; 1997 uint16_t idx, *ptid; 1998 1999 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 2000 &fw_ddb_entry_dma, GFP_KERNEL); 2001 if (!fw_ddb_entry) { 2002 DEBUG2(ql4_printk(KERN_ERR, ha, 2003 "%s: Unable to allocate dma buffer.\n", 2004 __func__)); 2005 rval = -ENOMEM; 2006 goto exit_set_param_no_free; 2007 } 2008 2009 conn = cls_conn->dd_data; 2010 qla_conn = conn->dd_data; 2011 sess = conn->session; 2012 dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2013 2014 if (dst_addr->sa_family == AF_INET6) 2015 options |= IPV6_DEFAULT_DDB_ENTRY; 2016 2017 status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 2018 if (status == QLA_ERROR) { 2019 rval = -EINVAL; 2020 goto exit_set_param; 2021 } 2022 2023 ptid = (uint16_t *)&fw_ddb_entry->isid[1]; 2024 *ptid = cpu_to_le16((uint16_t)ddb_entry->sess->target_id); 2025 2026 DEBUG2(ql4_printk(KERN_INFO, ha, "ISID [%pmR]\n", fw_ddb_entry->isid)); 2027 2028 iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options); 2029 memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias)); 2030 2031 memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name)); 2032 2033 if (sess->targetname != NULL) { 2034 memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 2035 min(strlen(sess->targetname), 2036 sizeof(fw_ddb_entry->iscsi_name))); 2037 } 2038 2039 memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr)); 2040 memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr)); 2041 2042 fw_ddb_entry->options = DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE; 2043 2044 if (dst_addr->sa_family == AF_INET) { 2045 addr = (struct sockaddr_in *)dst_addr; 2046 ip = (char *)&addr->sin_addr; 2047 memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN); 2048 fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port)); 2049 DEBUG2(ql4_printk(KERN_INFO, ha, 2050 "%s: Destination Address [%pI4]: index [%d]\n", 2051 __func__, fw_ddb_entry->ip_addr, 2052 ddb_entry->fw_ddb_index)); 2053 } else if (dst_addr->sa_family == AF_INET6) { 2054 addr6 = (struct sockaddr_in6 *)dst_addr; 2055 ip = (char *)&addr6->sin6_addr; 2056 memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN); 2057 fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port)); 2058 fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE; 2059 DEBUG2(ql4_printk(KERN_INFO, ha, 2060 "%s: Destination Address [%pI6]: index [%d]\n", 2061 __func__, fw_ddb_entry->ip_addr, 2062 ddb_entry->fw_ddb_index)); 2063 } else { 2064 ql4_printk(KERN_ERR, ha, 2065 "%s: Failed to get IP Address\n", 2066 __func__); 2067 rval = -EINVAL; 2068 goto exit_set_param; 2069 } 2070 2071 /* CHAP */ 2072 if (sess->username != NULL && sess->password != NULL) { 2073 if (strlen(sess->username) && strlen(sess->password)) { 2074 iscsi_opts |= BIT_7; 2075 2076 rval = qla4xxx_get_chap_index(ha, sess->username, 2077 sess->password, 2078 LOCAL_CHAP, &idx); 2079 if (rval) 2080 goto exit_set_param; 2081 2082 fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx); 2083 } 2084 } 2085 2086 if (sess->username_in != NULL && sess->password_in != NULL) { 2087 /* Check if BIDI CHAP */ 2088 if (strlen(sess->username_in) && strlen(sess->password_in)) { 2089 iscsi_opts |= BIT_4; 2090 2091 rval = qla4xxx_get_chap_index(ha, sess->username_in, 2092 sess->password_in, 2093 BIDI_CHAP, &idx); 2094 if (rval) 2095 goto exit_set_param; 2096 } 2097 } 2098 2099 if (sess->initial_r2t_en) 2100 iscsi_opts |= BIT_10; 2101 2102 if (sess->imm_data_en) 2103 iscsi_opts |= BIT_11; 2104 2105 fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts); 2106 2107 if (conn->max_recv_dlength) 2108 fw_ddb_entry->iscsi_max_rcv_data_seg_len = 2109 __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS)); 2110 2111 if (sess->max_r2t) 2112 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 2113 2114 if (sess->first_burst) 2115 fw_ddb_entry->iscsi_first_burst_len = 2116 __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS)); 2117 2118 if (sess->max_burst) 2119 fw_ddb_entry->iscsi_max_burst_len = 2120 __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS)); 2121 2122 if (sess->time2wait) 2123 fw_ddb_entry->iscsi_def_time2wait = 2124 cpu_to_le16(sess->time2wait); 2125 2126 if (sess->time2retain) 2127 fw_ddb_entry->iscsi_def_time2retain = 2128 cpu_to_le16(sess->time2retain); 2129 2130 status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 2131 fw_ddb_entry_dma, mbx_sts); 2132 2133 if (status != QLA_SUCCESS) 2134 rval = -EINVAL; 2135 exit_set_param: 2136 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 2137 fw_ddb_entry, fw_ddb_entry_dma); 2138 exit_set_param_no_free: 2139 return rval; 2140 } 2141 2142 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index, 2143 uint16_t stats_size, dma_addr_t stats_dma) 2144 { 2145 int status = QLA_SUCCESS; 2146 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2147 uint32_t mbox_sts[MBOX_REG_COUNT]; 2148 2149 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT); 2150 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT); 2151 mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA; 2152 mbox_cmd[1] = fw_ddb_index; 2153 mbox_cmd[2] = LSDW(stats_dma); 2154 mbox_cmd[3] = MSDW(stats_dma); 2155 mbox_cmd[4] = stats_size; 2156 2157 status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]); 2158 if (status != QLA_SUCCESS) { 2159 DEBUG2(ql4_printk(KERN_WARNING, ha, 2160 "%s: MBOX_CMD_GET_MANAGEMENT_DATA " 2161 "failed w/ status %04X\n", __func__, 2162 mbox_sts[0])); 2163 } 2164 return status; 2165 } 2166 2167 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx, 2168 uint32_t ip_idx, uint32_t *sts) 2169 { 2170 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2171 uint32_t mbox_sts[MBOX_REG_COUNT]; 2172 int status = QLA_SUCCESS; 2173 2174 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2175 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2176 mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE; 2177 mbox_cmd[1] = acb_idx; 2178 mbox_cmd[2] = ip_idx; 2179 2180 status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]); 2181 if (status != QLA_SUCCESS) { 2182 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: " 2183 "MBOX_CMD_GET_IP_ADDR_STATE failed w/ " 2184 "status %04X\n", __func__, mbox_sts[0])); 2185 } 2186 memcpy(sts, mbox_sts, sizeof(mbox_sts)); 2187 return status; 2188 } 2189 2190 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma, 2191 uint32_t offset, uint32_t size) 2192 { 2193 int status = QLA_SUCCESS; 2194 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2195 uint32_t mbox_sts[MBOX_REG_COUNT]; 2196 2197 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2198 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2199 2200 mbox_cmd[0] = MBOX_CMD_GET_NVRAM; 2201 mbox_cmd[1] = LSDW(nvram_dma); 2202 mbox_cmd[2] = MSDW(nvram_dma); 2203 mbox_cmd[3] = offset; 2204 mbox_cmd[4] = size; 2205 2206 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 2207 &mbox_sts[0]); 2208 if (status != QLA_SUCCESS) { 2209 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 2210 "status %04X\n", ha->host_no, __func__, 2211 mbox_sts[0])); 2212 } 2213 return status; 2214 } 2215 2216 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma, 2217 uint32_t offset, uint32_t size) 2218 { 2219 int status = QLA_SUCCESS; 2220 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2221 uint32_t mbox_sts[MBOX_REG_COUNT]; 2222 2223 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2224 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2225 2226 mbox_cmd[0] = MBOX_CMD_SET_NVRAM; 2227 mbox_cmd[1] = LSDW(nvram_dma); 2228 mbox_cmd[2] = MSDW(nvram_dma); 2229 mbox_cmd[3] = offset; 2230 mbox_cmd[4] = size; 2231 2232 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 2233 &mbox_sts[0]); 2234 if (status != QLA_SUCCESS) { 2235 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 2236 "status %04X\n", ha->host_no, __func__, 2237 mbox_sts[0])); 2238 } 2239 return status; 2240 } 2241 2242 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha, 2243 uint32_t region, uint32_t field0, 2244 uint32_t field1) 2245 { 2246 int status = QLA_SUCCESS; 2247 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2248 uint32_t mbox_sts[MBOX_REG_COUNT]; 2249 2250 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2251 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2252 2253 mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS; 2254 mbox_cmd[3] = region; 2255 mbox_cmd[4] = field0; 2256 mbox_cmd[5] = field1; 2257 2258 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], 2259 &mbox_sts[0]); 2260 if (status != QLA_SUCCESS) { 2261 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 2262 "status %04X\n", ha->host_no, __func__, 2263 mbox_sts[0])); 2264 } 2265 return status; 2266 } 2267 2268 /** 2269 * qla4_8xxx_set_param - set driver version in firmware. 2270 * @ha: Pointer to host adapter structure. 2271 * @param: Parameter to set i.e driver version 2272 **/ 2273 int qla4_8xxx_set_param(struct scsi_qla_host *ha, int param) 2274 { 2275 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2276 uint32_t mbox_sts[MBOX_REG_COUNT]; 2277 uint32_t status; 2278 2279 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2280 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2281 2282 mbox_cmd[0] = MBOX_CMD_SET_PARAM; 2283 if (param == SET_DRVR_VERSION) { 2284 mbox_cmd[1] = SET_DRVR_VERSION; 2285 strncpy((char *)&mbox_cmd[2], QLA4XXX_DRIVER_VERSION, 2286 MAX_DRVR_VER_LEN - 1); 2287 } else { 2288 ql4_printk(KERN_ERR, ha, "%s: invalid parameter 0x%x\n", 2289 __func__, param); 2290 status = QLA_ERROR; 2291 goto exit_set_param; 2292 } 2293 2294 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, mbox_cmd, 2295 mbox_sts); 2296 if (status == QLA_ERROR) 2297 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", 2298 __func__, mbox_sts[0]); 2299 2300 exit_set_param: 2301 return status; 2302 } 2303 2304 /** 2305 * qla4_83xx_post_idc_ack - post IDC ACK 2306 * @ha: Pointer to host adapter structure. 2307 * 2308 * Posts IDC ACK for IDC Request Notification AEN. 2309 **/ 2310 int qla4_83xx_post_idc_ack(struct scsi_qla_host *ha) 2311 { 2312 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2313 uint32_t mbox_sts[MBOX_REG_COUNT]; 2314 int status; 2315 2316 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2317 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2318 2319 mbox_cmd[0] = MBOX_CMD_IDC_ACK; 2320 mbox_cmd[1] = ha->idc_info.request_desc; 2321 mbox_cmd[2] = ha->idc_info.info1; 2322 mbox_cmd[3] = ha->idc_info.info2; 2323 mbox_cmd[4] = ha->idc_info.info3; 2324 2325 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 2326 mbox_cmd, mbox_sts); 2327 if (status == QLA_ERROR) 2328 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__, 2329 mbox_sts[0]); 2330 else 2331 ql4_printk(KERN_INFO, ha, "%s: IDC ACK posted\n", __func__); 2332 2333 return status; 2334 } 2335 2336 int qla4_84xx_config_acb(struct scsi_qla_host *ha, int acb_config) 2337 { 2338 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2339 uint32_t mbox_sts[MBOX_REG_COUNT]; 2340 struct addr_ctrl_blk *acb = NULL; 2341 uint32_t acb_len = sizeof(struct addr_ctrl_blk); 2342 int rval = QLA_SUCCESS; 2343 dma_addr_t acb_dma; 2344 2345 acb = dma_alloc_coherent(&ha->pdev->dev, 2346 sizeof(struct addr_ctrl_blk), 2347 &acb_dma, GFP_KERNEL); 2348 if (!acb) { 2349 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", __func__); 2350 rval = QLA_ERROR; 2351 goto exit_config_acb; 2352 } 2353 memset(acb, 0, acb_len); 2354 2355 switch (acb_config) { 2356 case ACB_CONFIG_DISABLE: 2357 rval = qla4xxx_get_acb(ha, acb_dma, 0, acb_len); 2358 if (rval != QLA_SUCCESS) 2359 goto exit_free_acb; 2360 2361 rval = qla4xxx_disable_acb(ha); 2362 if (rval != QLA_SUCCESS) 2363 goto exit_free_acb; 2364 2365 if (!ha->saved_acb) 2366 ha->saved_acb = kzalloc(acb_len, GFP_KERNEL); 2367 2368 if (!ha->saved_acb) { 2369 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 2370 __func__); 2371 rval = QLA_ERROR; 2372 goto exit_free_acb; 2373 } 2374 memcpy(ha->saved_acb, acb, acb_len); 2375 break; 2376 case ACB_CONFIG_SET: 2377 2378 if (!ha->saved_acb) { 2379 ql4_printk(KERN_ERR, ha, "%s: Can't set ACB, Saved ACB not available\n", 2380 __func__); 2381 rval = QLA_ERROR; 2382 goto exit_free_acb; 2383 } 2384 2385 memcpy(acb, ha->saved_acb, acb_len); 2386 2387 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 2388 if (rval != QLA_SUCCESS) 2389 goto exit_free_acb; 2390 2391 break; 2392 default: 2393 ql4_printk(KERN_ERR, ha, "%s: Invalid ACB Configuration\n", 2394 __func__); 2395 } 2396 2397 exit_free_acb: 2398 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), acb, 2399 acb_dma); 2400 exit_config_acb: 2401 if ((acb_config == ACB_CONFIG_SET) && ha->saved_acb) { 2402 kfree(ha->saved_acb); 2403 ha->saved_acb = NULL; 2404 } 2405 DEBUG2(ql4_printk(KERN_INFO, ha, 2406 "%s %s\n", __func__, 2407 rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 2408 return rval; 2409 } 2410 2411 int qla4_83xx_get_port_config(struct scsi_qla_host *ha, uint32_t *config) 2412 { 2413 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2414 uint32_t mbox_sts[MBOX_REG_COUNT]; 2415 int status; 2416 2417 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2418 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2419 2420 mbox_cmd[0] = MBOX_CMD_GET_PORT_CONFIG; 2421 2422 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 2423 mbox_cmd, mbox_sts); 2424 if (status == QLA_SUCCESS) 2425 *config = mbox_sts[1]; 2426 else 2427 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__, 2428 mbox_sts[0]); 2429 2430 return status; 2431 } 2432 2433 int qla4_83xx_set_port_config(struct scsi_qla_host *ha, uint32_t *config) 2434 { 2435 uint32_t mbox_cmd[MBOX_REG_COUNT]; 2436 uint32_t mbox_sts[MBOX_REG_COUNT]; 2437 int status; 2438 2439 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2440 memset(&mbox_sts, 0, sizeof(mbox_sts)); 2441 2442 mbox_cmd[0] = MBOX_CMD_SET_PORT_CONFIG; 2443 mbox_cmd[1] = *config; 2444 2445 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT, 2446 mbox_cmd, mbox_sts); 2447 if (status != QLA_SUCCESS) 2448 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__, 2449 mbox_sts[0]); 2450 2451 return status; 2452 } 2453