1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic Fibre Channel HBA Driver 4 * Copyright (c) 2003-2014 QLogic Corporation 5 */ 6 #include "qla_def.h" 7 #include "qla_target.h" 8 #include "qla_gbl.h" 9 10 #include <linux/delay.h> 11 #include <linux/slab.h> 12 #include <linux/cpu.h> 13 #include <linux/t10-pi.h> 14 #include <scsi/scsi_tcq.h> 15 #include <scsi/scsi_bsg_fc.h> 16 #include <scsi/scsi_eh.h> 17 #include <scsi/fc/fc_fs.h> 18 #include <linux/nvme-fc-driver.h> 19 20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 24 sts_entry_t *); 25 static void qla27xx_process_purex_fpin(struct scsi_qla_host *vha, 26 struct purex_item *item); 27 static struct purex_item *qla24xx_alloc_purex_item(scsi_qla_host_t *vha, 28 uint16_t size); 29 static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, 30 void *pkt); 31 static struct purex_item *qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, 32 void **pkt, struct rsp_que **rsp); 33 34 static void 35 qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item) 36 { 37 void *pkt = &item->iocb; 38 uint16_t pkt_size = item->size; 39 40 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508d, 41 "%s: Enter\n", __func__); 42 43 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508e, 44 "-------- ELS REQ -------\n"); 45 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x508f, 46 pkt, pkt_size); 47 48 fc_host_fpin_rcv(vha->host, pkt_size, (char *)pkt); 49 } 50 51 const char *const port_state_str[] = { 52 "Unknown", 53 "UNCONFIGURED", 54 "DEAD", 55 "LOST", 56 "ONLINE" 57 }; 58 59 static void 60 qla24xx_process_abts(struct scsi_qla_host *vha, struct purex_item *pkt) 61 { 62 struct abts_entry_24xx *abts = 63 (struct abts_entry_24xx *)&pkt->iocb; 64 struct qla_hw_data *ha = vha->hw; 65 struct els_entry_24xx *rsp_els; 66 struct abts_entry_24xx *abts_rsp; 67 dma_addr_t dma; 68 uint32_t fctl; 69 int rval; 70 71 ql_dbg(ql_dbg_init, vha, 0x0286, "%s: entered.\n", __func__); 72 73 ql_log(ql_log_warn, vha, 0x0287, 74 "Processing ABTS xchg=%#x oxid=%#x rxid=%#x seqid=%#x seqcnt=%#x\n", 75 abts->rx_xch_addr_to_abort, abts->ox_id, abts->rx_id, 76 abts->seq_id, abts->seq_cnt); 77 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0287, 78 "-------- ABTS RCV -------\n"); 79 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0287, 80 (uint8_t *)abts, sizeof(*abts)); 81 82 rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els), &dma, 83 GFP_KERNEL); 84 if (!rsp_els) { 85 ql_log(ql_log_warn, vha, 0x0287, 86 "Failed allocate dma buffer ABTS/ELS RSP.\n"); 87 return; 88 } 89 90 /* terminate exchange */ 91 rsp_els->entry_type = ELS_IOCB_TYPE; 92 rsp_els->entry_count = 1; 93 rsp_els->nport_handle = cpu_to_le16(~0); 94 rsp_els->rx_xchg_address = abts->rx_xch_addr_to_abort; 95 rsp_els->control_flags = cpu_to_le16(EPD_RX_XCHG); 96 ql_dbg(ql_dbg_init, vha, 0x0283, 97 "Sending ELS Response to terminate exchange %#x...\n", 98 abts->rx_xch_addr_to_abort); 99 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0283, 100 "-------- ELS RSP -------\n"); 101 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0283, 102 (uint8_t *)rsp_els, sizeof(*rsp_els)); 103 rval = qla2x00_issue_iocb(vha, rsp_els, dma, 0); 104 if (rval) { 105 ql_log(ql_log_warn, vha, 0x0288, 106 "%s: iocb failed to execute -> %x\n", __func__, rval); 107 } else if (rsp_els->comp_status) { 108 ql_log(ql_log_warn, vha, 0x0289, 109 "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n", 110 __func__, rsp_els->comp_status, 111 rsp_els->error_subcode_1, rsp_els->error_subcode_2); 112 } else { 113 ql_dbg(ql_dbg_init, vha, 0x028a, 114 "%s: abort exchange done.\n", __func__); 115 } 116 117 /* send ABTS response */ 118 abts_rsp = (void *)rsp_els; 119 memset(abts_rsp, 0, sizeof(*abts_rsp)); 120 abts_rsp->entry_type = ABTS_RSP_TYPE; 121 abts_rsp->entry_count = 1; 122 abts_rsp->nport_handle = abts->nport_handle; 123 abts_rsp->vp_idx = abts->vp_idx; 124 abts_rsp->sof_type = abts->sof_type & 0xf0; 125 abts_rsp->rx_xch_addr = abts->rx_xch_addr; 126 abts_rsp->d_id[0] = abts->s_id[0]; 127 abts_rsp->d_id[1] = abts->s_id[1]; 128 abts_rsp->d_id[2] = abts->s_id[2]; 129 abts_rsp->r_ctl = FC_ROUTING_BLD | FC_R_CTL_BLD_BA_ACC; 130 abts_rsp->s_id[0] = abts->d_id[0]; 131 abts_rsp->s_id[1] = abts->d_id[1]; 132 abts_rsp->s_id[2] = abts->d_id[2]; 133 abts_rsp->cs_ctl = abts->cs_ctl; 134 /* include flipping bit23 in fctl */ 135 fctl = ~(abts->f_ctl[2] | 0x7F) << 16 | 136 FC_F_CTL_LAST_SEQ | FC_F_CTL_END_SEQ | FC_F_CTL_SEQ_INIT; 137 abts_rsp->f_ctl[0] = fctl >> 0 & 0xff; 138 abts_rsp->f_ctl[1] = fctl >> 8 & 0xff; 139 abts_rsp->f_ctl[2] = fctl >> 16 & 0xff; 140 abts_rsp->type = FC_TYPE_BLD; 141 abts_rsp->rx_id = abts->rx_id; 142 abts_rsp->ox_id = abts->ox_id; 143 abts_rsp->payload.ba_acc.aborted_rx_id = abts->rx_id; 144 abts_rsp->payload.ba_acc.aborted_ox_id = abts->ox_id; 145 abts_rsp->payload.ba_acc.high_seq_cnt = cpu_to_le16(~0); 146 abts_rsp->rx_xch_addr_to_abort = abts->rx_xch_addr_to_abort; 147 ql_dbg(ql_dbg_init, vha, 0x028b, 148 "Sending BA ACC response to ABTS %#x...\n", 149 abts->rx_xch_addr_to_abort); 150 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x028b, 151 "-------- ELS RSP -------\n"); 152 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x028b, 153 (uint8_t *)abts_rsp, sizeof(*abts_rsp)); 154 rval = qla2x00_issue_iocb(vha, abts_rsp, dma, 0); 155 if (rval) { 156 ql_log(ql_log_warn, vha, 0x028c, 157 "%s: iocb failed to execute -> %x\n", __func__, rval); 158 } else if (abts_rsp->comp_status) { 159 ql_log(ql_log_warn, vha, 0x028d, 160 "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n", 161 __func__, abts_rsp->comp_status, 162 abts_rsp->payload.error.subcode1, 163 abts_rsp->payload.error.subcode2); 164 } else { 165 ql_dbg(ql_dbg_init, vha, 0x028ea, 166 "%s: done.\n", __func__); 167 } 168 169 dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els), rsp_els, dma); 170 } 171 172 /** 173 * __qla_consume_iocb - this routine is used to tell fw driver has processed 174 * or consumed the head IOCB along with the continuation IOCB's from the 175 * provided respond queue. 176 * @vha: host adapter pointer 177 * @pkt: pointer to current packet. On return, this pointer shall move 178 * to the next packet. 179 * @rsp: respond queue pointer. 180 * 181 * it is assumed pkt is the head iocb, not the continuation iocbk 182 */ 183 void __qla_consume_iocb(struct scsi_qla_host *vha, 184 void **pkt, struct rsp_que **rsp) 185 { 186 struct rsp_que *rsp_q = *rsp; 187 response_t *new_pkt; 188 uint16_t entry_count_remaining; 189 struct purex_entry_24xx *purex = *pkt; 190 191 entry_count_remaining = purex->entry_count; 192 while (entry_count_remaining > 0) { 193 new_pkt = rsp_q->ring_ptr; 194 *pkt = new_pkt; 195 196 rsp_q->ring_index++; 197 if (rsp_q->ring_index == rsp_q->length) { 198 rsp_q->ring_index = 0; 199 rsp_q->ring_ptr = rsp_q->ring; 200 } else { 201 rsp_q->ring_ptr++; 202 } 203 204 new_pkt->signature = RESPONSE_PROCESSED; 205 /* flush signature */ 206 wmb(); 207 --entry_count_remaining; 208 } 209 } 210 211 /** 212 * __qla_copy_purex_to_buffer - extract ELS payload from Purex IOCB 213 * and save to provided buffer 214 * @vha: host adapter pointer 215 * @pkt: pointer Purex IOCB 216 * @rsp: respond queue 217 * @buf: extracted ELS payload copy here 218 * @buf_len: buffer length 219 */ 220 int __qla_copy_purex_to_buffer(struct scsi_qla_host *vha, 221 void **pkt, struct rsp_que **rsp, u8 *buf, u32 buf_len) 222 { 223 struct purex_entry_24xx *purex = *pkt; 224 struct rsp_que *rsp_q = *rsp; 225 sts_cont_entry_t *new_pkt; 226 uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0; 227 uint16_t buffer_copy_offset = 0; 228 uint16_t entry_count_remaining; 229 u16 tpad; 230 231 entry_count_remaining = purex->entry_count; 232 total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF) 233 - PURX_ELS_HEADER_SIZE; 234 235 /* 236 * end of payload may not end in 4bytes boundary. Need to 237 * round up / pad for room to swap, before saving data 238 */ 239 tpad = roundup(total_bytes, 4); 240 241 if (buf_len < tpad) { 242 ql_dbg(ql_dbg_async, vha, 0x5084, 243 "%s buffer is too small %d < %d\n", 244 __func__, buf_len, tpad); 245 __qla_consume_iocb(vha, pkt, rsp); 246 return -EIO; 247 } 248 249 pending_bytes = total_bytes = tpad; 250 no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ? 251 sizeof(purex->els_frame_payload) : pending_bytes; 252 253 memcpy(buf, &purex->els_frame_payload[0], no_bytes); 254 buffer_copy_offset += no_bytes; 255 pending_bytes -= no_bytes; 256 --entry_count_remaining; 257 258 ((response_t *)purex)->signature = RESPONSE_PROCESSED; 259 /* flush signature */ 260 wmb(); 261 262 do { 263 while ((total_bytes > 0) && (entry_count_remaining > 0)) { 264 new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr; 265 *pkt = new_pkt; 266 267 if (new_pkt->entry_type != STATUS_CONT_TYPE) { 268 ql_log(ql_log_warn, vha, 0x507a, 269 "Unexpected IOCB type, partial data 0x%x\n", 270 buffer_copy_offset); 271 break; 272 } 273 274 rsp_q->ring_index++; 275 if (rsp_q->ring_index == rsp_q->length) { 276 rsp_q->ring_index = 0; 277 rsp_q->ring_ptr = rsp_q->ring; 278 } else { 279 rsp_q->ring_ptr++; 280 } 281 no_bytes = (pending_bytes > sizeof(new_pkt->data)) ? 282 sizeof(new_pkt->data) : pending_bytes; 283 if ((buffer_copy_offset + no_bytes) <= total_bytes) { 284 memcpy((buf + buffer_copy_offset), new_pkt->data, 285 no_bytes); 286 buffer_copy_offset += no_bytes; 287 pending_bytes -= no_bytes; 288 --entry_count_remaining; 289 } else { 290 ql_log(ql_log_warn, vha, 0x5044, 291 "Attempt to copy more that we got, optimizing..%x\n", 292 buffer_copy_offset); 293 memcpy((buf + buffer_copy_offset), new_pkt->data, 294 total_bytes - buffer_copy_offset); 295 } 296 297 ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED; 298 /* flush signature */ 299 wmb(); 300 } 301 302 if (pending_bytes != 0 || entry_count_remaining != 0) { 303 ql_log(ql_log_fatal, vha, 0x508b, 304 "Dropping partial Data, underrun bytes = 0x%x, entry cnts 0x%x\n", 305 total_bytes, entry_count_remaining); 306 return -EIO; 307 } 308 } while (entry_count_remaining > 0); 309 310 be32_to_cpu_array((u32 *)buf, (__be32 *)buf, total_bytes >> 2); 311 312 return 0; 313 } 314 315 /** 316 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 317 * @irq: interrupt number 318 * @dev_id: SCSI driver HA context 319 * 320 * Called by system whenever the host adapter generates an interrupt. 321 * 322 * Returns handled flag. 323 */ 324 irqreturn_t 325 qla2100_intr_handler(int irq, void *dev_id) 326 { 327 scsi_qla_host_t *vha; 328 struct qla_hw_data *ha; 329 struct device_reg_2xxx __iomem *reg; 330 int status; 331 unsigned long iter; 332 uint16_t hccr; 333 uint16_t mb[8]; 334 struct rsp_que *rsp; 335 unsigned long flags; 336 337 rsp = (struct rsp_que *) dev_id; 338 if (!rsp) { 339 ql_log(ql_log_info, NULL, 0x505d, 340 "%s: NULL response queue pointer.\n", __func__); 341 return (IRQ_NONE); 342 } 343 344 ha = rsp->hw; 345 reg = &ha->iobase->isp; 346 status = 0; 347 348 spin_lock_irqsave(&ha->hardware_lock, flags); 349 vha = pci_get_drvdata(ha->pdev); 350 for (iter = 50; iter--; ) { 351 hccr = rd_reg_word(®->hccr); 352 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 353 break; 354 if (hccr & HCCR_RISC_PAUSE) { 355 if (pci_channel_offline(ha->pdev)) 356 break; 357 358 /* 359 * Issue a "HARD" reset in order for the RISC interrupt 360 * bit to be cleared. Schedule a big hammer to get 361 * out of the RISC PAUSED state. 362 */ 363 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 364 rd_reg_word(®->hccr); 365 366 ha->isp_ops->fw_dump(vha); 367 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 368 break; 369 } else if ((rd_reg_word(®->istatus) & ISR_RISC_INT) == 0) 370 break; 371 372 if (rd_reg_word(®->semaphore) & BIT_0) { 373 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); 374 rd_reg_word(®->hccr); 375 376 /* Get mailbox data. */ 377 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 378 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 379 qla2x00_mbx_completion(vha, mb[0]); 380 status |= MBX_INTERRUPT; 381 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 382 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 383 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 384 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 385 qla2x00_async_event(vha, rsp, mb); 386 } else { 387 /*EMPTY*/ 388 ql_dbg(ql_dbg_async, vha, 0x5025, 389 "Unrecognized interrupt type (%d).\n", 390 mb[0]); 391 } 392 /* Release mailbox registers. */ 393 wrt_reg_word(®->semaphore, 0); 394 rd_reg_word(®->semaphore); 395 } else { 396 qla2x00_process_response_queue(rsp); 397 398 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); 399 rd_reg_word(®->hccr); 400 } 401 } 402 qla2x00_handle_mbx_completion(ha, status); 403 spin_unlock_irqrestore(&ha->hardware_lock, flags); 404 405 return (IRQ_HANDLED); 406 } 407 408 bool 409 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 410 { 411 /* Check for PCI disconnection */ 412 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 413 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 414 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 415 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 416 qla_schedule_eeh_work(vha); 417 } 418 return true; 419 } else 420 return false; 421 } 422 423 bool 424 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 425 { 426 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 427 } 428 429 /** 430 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 431 * @irq: interrupt number 432 * @dev_id: SCSI driver HA context 433 * 434 * Called by system whenever the host adapter generates an interrupt. 435 * 436 * Returns handled flag. 437 */ 438 irqreturn_t 439 qla2300_intr_handler(int irq, void *dev_id) 440 { 441 scsi_qla_host_t *vha; 442 struct device_reg_2xxx __iomem *reg; 443 int status; 444 unsigned long iter; 445 uint32_t stat; 446 uint16_t hccr; 447 uint16_t mb[8]; 448 struct rsp_que *rsp; 449 struct qla_hw_data *ha; 450 unsigned long flags; 451 452 rsp = (struct rsp_que *) dev_id; 453 if (!rsp) { 454 ql_log(ql_log_info, NULL, 0x5058, 455 "%s: NULL response queue pointer.\n", __func__); 456 return (IRQ_NONE); 457 } 458 459 ha = rsp->hw; 460 reg = &ha->iobase->isp; 461 status = 0; 462 463 spin_lock_irqsave(&ha->hardware_lock, flags); 464 vha = pci_get_drvdata(ha->pdev); 465 for (iter = 50; iter--; ) { 466 stat = rd_reg_dword(®->u.isp2300.host_status); 467 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 468 break; 469 if (stat & HSR_RISC_PAUSED) { 470 if (unlikely(pci_channel_offline(ha->pdev))) 471 break; 472 473 hccr = rd_reg_word(®->hccr); 474 475 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 476 ql_log(ql_log_warn, vha, 0x5026, 477 "Parity error -- HCCR=%x, Dumping " 478 "firmware.\n", hccr); 479 else 480 ql_log(ql_log_warn, vha, 0x5027, 481 "RISC paused -- HCCR=%x, Dumping " 482 "firmware.\n", hccr); 483 484 /* 485 * Issue a "HARD" reset in order for the RISC 486 * interrupt bit to be cleared. Schedule a big 487 * hammer to get out of the RISC PAUSED state. 488 */ 489 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 490 rd_reg_word(®->hccr); 491 492 ha->isp_ops->fw_dump(vha); 493 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 494 break; 495 } else if ((stat & HSR_RISC_INT) == 0) 496 break; 497 498 switch (stat & 0xff) { 499 case 0x1: 500 case 0x2: 501 case 0x10: 502 case 0x11: 503 qla2x00_mbx_completion(vha, MSW(stat)); 504 status |= MBX_INTERRUPT; 505 506 /* Release mailbox registers. */ 507 wrt_reg_word(®->semaphore, 0); 508 break; 509 case 0x12: 510 mb[0] = MSW(stat); 511 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 512 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 513 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 514 qla2x00_async_event(vha, rsp, mb); 515 break; 516 case 0x13: 517 qla2x00_process_response_queue(rsp); 518 break; 519 case 0x15: 520 mb[0] = MBA_CMPLT_1_16BIT; 521 mb[1] = MSW(stat); 522 qla2x00_async_event(vha, rsp, mb); 523 break; 524 case 0x16: 525 mb[0] = MBA_SCSI_COMPLETION; 526 mb[1] = MSW(stat); 527 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 528 qla2x00_async_event(vha, rsp, mb); 529 break; 530 default: 531 ql_dbg(ql_dbg_async, vha, 0x5028, 532 "Unrecognized interrupt type (%d).\n", stat & 0xff); 533 break; 534 } 535 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); 536 rd_reg_word_relaxed(®->hccr); 537 } 538 qla2x00_handle_mbx_completion(ha, status); 539 spin_unlock_irqrestore(&ha->hardware_lock, flags); 540 541 return (IRQ_HANDLED); 542 } 543 544 /** 545 * qla2x00_mbx_completion() - Process mailbox command completions. 546 * @vha: SCSI driver HA context 547 * @mb0: Mailbox0 register 548 */ 549 static void 550 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 551 { 552 uint16_t cnt; 553 uint32_t mboxes; 554 __le16 __iomem *wptr; 555 struct qla_hw_data *ha = vha->hw; 556 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 557 558 /* Read all mbox registers? */ 559 WARN_ON_ONCE(ha->mbx_count > 32); 560 mboxes = (1ULL << ha->mbx_count) - 1; 561 if (!ha->mcp) 562 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 563 else 564 mboxes = ha->mcp->in_mb; 565 566 /* Load return mailbox registers. */ 567 ha->flags.mbox_int = 1; 568 ha->mailbox_out[0] = mb0; 569 mboxes >>= 1; 570 wptr = MAILBOX_REG(ha, reg, 1); 571 572 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 573 if (IS_QLA2200(ha) && cnt == 8) 574 wptr = MAILBOX_REG(ha, reg, 8); 575 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 576 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 577 else if (mboxes & BIT_0) 578 ha->mailbox_out[cnt] = rd_reg_word(wptr); 579 580 wptr++; 581 mboxes >>= 1; 582 } 583 } 584 585 static void 586 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 587 { 588 static char *event[] = 589 { "Complete", "Request Notification", "Time Extension" }; 590 int rval; 591 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 592 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 593 __le16 __iomem *wptr; 594 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 595 596 /* Seed data -- mailbox1 -> mailbox7. */ 597 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 598 wptr = ®24->mailbox1; 599 else if (IS_QLA8044(vha->hw)) 600 wptr = ®82->mailbox_out[1]; 601 else 602 return; 603 604 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 605 mb[cnt] = rd_reg_word(wptr); 606 607 ql_dbg(ql_dbg_async, vha, 0x5021, 608 "Inter-Driver Communication %s -- " 609 "%04x %04x %04x %04x %04x %04x %04x.\n", 610 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 611 mb[4], mb[5], mb[6]); 612 switch (aen) { 613 /* Handle IDC Error completion case. */ 614 case MBA_IDC_COMPLETE: 615 if (mb[1] >> 15) { 616 vha->hw->flags.idc_compl_status = 1; 617 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 618 complete(&vha->hw->dcbx_comp); 619 } 620 break; 621 622 case MBA_IDC_NOTIFY: 623 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 624 timeout = (descr >> 8) & 0xf; 625 ql_dbg(ql_dbg_async, vha, 0x5022, 626 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 627 vha->host_no, event[aen & 0xff], timeout); 628 629 if (!timeout) 630 return; 631 rval = qla2x00_post_idc_ack_work(vha, mb); 632 if (rval != QLA_SUCCESS) 633 ql_log(ql_log_warn, vha, 0x5023, 634 "IDC failed to post ACK.\n"); 635 break; 636 case MBA_IDC_TIME_EXT: 637 vha->hw->idc_extend_tmo = descr; 638 ql_dbg(ql_dbg_async, vha, 0x5087, 639 "%lu Inter-Driver Communication %s -- " 640 "Extend timeout by=%d.\n", 641 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 642 break; 643 } 644 } 645 646 #define LS_UNKNOWN 2 647 const char * 648 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 649 { 650 static const char *const link_speeds[] = { 651 "1", "2", "?", "4", "8", "16", "32", "64", "10" 652 }; 653 #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1) 654 655 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 656 return link_speeds[0]; 657 else if (speed == 0x13) 658 return link_speeds[QLA_LAST_SPEED]; 659 else if (speed < QLA_LAST_SPEED) 660 return link_speeds[speed]; 661 else 662 return link_speeds[LS_UNKNOWN]; 663 } 664 665 static void 666 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 667 { 668 struct qla_hw_data *ha = vha->hw; 669 670 /* 671 * 8200 AEN Interpretation: 672 * mb[0] = AEN code 673 * mb[1] = AEN Reason code 674 * mb[2] = LSW of Peg-Halt Status-1 Register 675 * mb[6] = MSW of Peg-Halt Status-1 Register 676 * mb[3] = LSW of Peg-Halt Status-2 register 677 * mb[7] = MSW of Peg-Halt Status-2 register 678 * mb[4] = IDC Device-State Register value 679 * mb[5] = IDC Driver-Presence Register value 680 */ 681 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 682 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 683 mb[0], mb[1], mb[2], mb[6]); 684 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 685 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 686 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 687 688 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 689 IDC_HEARTBEAT_FAILURE)) { 690 ha->flags.nic_core_hung = 1; 691 ql_log(ql_log_warn, vha, 0x5060, 692 "83XX: F/W Error Reported: Check if reset required.\n"); 693 694 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 695 uint32_t protocol_engine_id, fw_err_code, err_level; 696 697 /* 698 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 699 * - PEG-Halt Status-1 Register: 700 * (LSW = mb[2], MSW = mb[6]) 701 * Bits 0-7 = protocol-engine ID 702 * Bits 8-28 = f/w error code 703 * Bits 29-31 = Error-level 704 * Error-level 0x1 = Non-Fatal error 705 * Error-level 0x2 = Recoverable Fatal error 706 * Error-level 0x4 = UnRecoverable Fatal error 707 * - PEG-Halt Status-2 Register: 708 * (LSW = mb[3], MSW = mb[7]) 709 */ 710 protocol_engine_id = (mb[2] & 0xff); 711 fw_err_code = (((mb[2] & 0xff00) >> 8) | 712 ((mb[6] & 0x1fff) << 8)); 713 err_level = ((mb[6] & 0xe000) >> 13); 714 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 715 "Register: protocol_engine_id=0x%x " 716 "fw_err_code=0x%x err_level=0x%x.\n", 717 protocol_engine_id, fw_err_code, err_level); 718 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 719 "Register: 0x%x%x.\n", mb[7], mb[3]); 720 if (err_level == ERR_LEVEL_NON_FATAL) { 721 ql_log(ql_log_warn, vha, 0x5063, 722 "Not a fatal error, f/w has recovered itself.\n"); 723 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 724 ql_log(ql_log_fatal, vha, 0x5064, 725 "Recoverable Fatal error: Chip reset " 726 "required.\n"); 727 qla83xx_schedule_work(vha, 728 QLA83XX_NIC_CORE_RESET); 729 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 730 ql_log(ql_log_fatal, vha, 0x5065, 731 "Unrecoverable Fatal error: Set FAILED " 732 "state, reboot required.\n"); 733 qla83xx_schedule_work(vha, 734 QLA83XX_NIC_CORE_UNRECOVERABLE); 735 } 736 } 737 738 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 739 uint16_t peg_fw_state, nw_interface_link_up; 740 uint16_t nw_interface_signal_detect, sfp_status; 741 uint16_t htbt_counter, htbt_monitor_enable; 742 uint16_t sfp_additional_info, sfp_multirate; 743 uint16_t sfp_tx_fault, link_speed, dcbx_status; 744 745 /* 746 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 747 * - PEG-to-FC Status Register: 748 * (LSW = mb[2], MSW = mb[6]) 749 * Bits 0-7 = Peg-Firmware state 750 * Bit 8 = N/W Interface Link-up 751 * Bit 9 = N/W Interface signal detected 752 * Bits 10-11 = SFP Status 753 * SFP Status 0x0 = SFP+ transceiver not expected 754 * SFP Status 0x1 = SFP+ transceiver not present 755 * SFP Status 0x2 = SFP+ transceiver invalid 756 * SFP Status 0x3 = SFP+ transceiver present and 757 * valid 758 * Bits 12-14 = Heartbeat Counter 759 * Bit 15 = Heartbeat Monitor Enable 760 * Bits 16-17 = SFP Additional Info 761 * SFP info 0x0 = Unregocnized transceiver for 762 * Ethernet 763 * SFP info 0x1 = SFP+ brand validation failed 764 * SFP info 0x2 = SFP+ speed validation failed 765 * SFP info 0x3 = SFP+ access error 766 * Bit 18 = SFP Multirate 767 * Bit 19 = SFP Tx Fault 768 * Bits 20-22 = Link Speed 769 * Bits 23-27 = Reserved 770 * Bits 28-30 = DCBX Status 771 * DCBX Status 0x0 = DCBX Disabled 772 * DCBX Status 0x1 = DCBX Enabled 773 * DCBX Status 0x2 = DCBX Exchange error 774 * Bit 31 = Reserved 775 */ 776 peg_fw_state = (mb[2] & 0x00ff); 777 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 778 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 779 sfp_status = ((mb[2] & 0x0c00) >> 10); 780 htbt_counter = ((mb[2] & 0x7000) >> 12); 781 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 782 sfp_additional_info = (mb[6] & 0x0003); 783 sfp_multirate = ((mb[6] & 0x0004) >> 2); 784 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 785 link_speed = ((mb[6] & 0x0070) >> 4); 786 dcbx_status = ((mb[6] & 0x7000) >> 12); 787 788 ql_log(ql_log_warn, vha, 0x5066, 789 "Peg-to-Fc Status Register:\n" 790 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 791 "nw_interface_signal_detect=0x%x" 792 "\nsfp_statis=0x%x.\n ", peg_fw_state, 793 nw_interface_link_up, nw_interface_signal_detect, 794 sfp_status); 795 ql_log(ql_log_warn, vha, 0x5067, 796 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 797 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", 798 htbt_counter, htbt_monitor_enable, 799 sfp_additional_info, sfp_multirate); 800 ql_log(ql_log_warn, vha, 0x5068, 801 "sfp_tx_fault=0x%x, link_state=0x%x, " 802 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 803 dcbx_status); 804 805 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 806 } 807 808 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 809 ql_log(ql_log_warn, vha, 0x5069, 810 "Heartbeat Failure encountered, chip reset " 811 "required.\n"); 812 813 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 814 } 815 } 816 817 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 818 ql_log(ql_log_info, vha, 0x506a, 819 "IDC Device-State changed = 0x%x.\n", mb[4]); 820 if (ha->flags.nic_core_reset_owner) 821 return; 822 qla83xx_schedule_work(vha, MBA_IDC_AEN); 823 } 824 } 825 826 int 827 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 828 { 829 struct qla_hw_data *ha = vha->hw; 830 scsi_qla_host_t *vp; 831 uint32_t vp_did; 832 unsigned long flags; 833 int ret = 0; 834 835 if (!ha->num_vhosts) 836 return ret; 837 838 spin_lock_irqsave(&ha->vport_slock, flags); 839 list_for_each_entry(vp, &ha->vp_list, list) { 840 vp_did = vp->d_id.b24; 841 if (vp_did == rscn_entry) { 842 ret = 1; 843 break; 844 } 845 } 846 spin_unlock_irqrestore(&ha->vport_slock, flags); 847 848 return ret; 849 } 850 851 fc_port_t * 852 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 853 { 854 fc_port_t *f, *tf; 855 856 f = tf = NULL; 857 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 858 if (f->loop_id == loop_id) 859 return f; 860 return NULL; 861 } 862 863 fc_port_t * 864 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 865 { 866 fc_port_t *f, *tf; 867 868 f = tf = NULL; 869 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 870 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 871 if (incl_deleted) 872 return f; 873 else if (f->deleted == 0) 874 return f; 875 } 876 } 877 return NULL; 878 } 879 880 fc_port_t * 881 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 882 u8 incl_deleted) 883 { 884 fc_port_t *f, *tf; 885 886 f = tf = NULL; 887 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 888 if (f->d_id.b24 == id->b24) { 889 if (incl_deleted) 890 return f; 891 else if (f->deleted == 0) 892 return f; 893 } 894 } 895 return NULL; 896 } 897 898 /* Shall be called only on supported adapters. */ 899 static void 900 qla27xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 901 { 902 struct qla_hw_data *ha = vha->hw; 903 bool reset_isp_needed = false; 904 905 ql_log(ql_log_warn, vha, 0x02f0, 906 "MPI Heartbeat stop. MPI reset is%s needed. " 907 "MB0[%xh] MB1[%xh] MB2[%xh] MB3[%xh]\n", 908 mb[1] & BIT_8 ? "" : " not", 909 mb[0], mb[1], mb[2], mb[3]); 910 911 if ((mb[1] & BIT_8) == 0) 912 return; 913 914 ql_log(ql_log_warn, vha, 0x02f1, 915 "MPI Heartbeat stop. FW dump needed\n"); 916 917 if (ql2xfulldump_on_mpifail) { 918 ha->isp_ops->fw_dump(vha); 919 reset_isp_needed = true; 920 } 921 922 ha->isp_ops->mpi_fw_dump(vha, 1); 923 924 if (reset_isp_needed) { 925 vha->hw->flags.fw_init_done = 0; 926 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 927 qla2xxx_wake_dpc(vha); 928 } 929 } 930 931 static struct purex_item * 932 qla24xx_alloc_purex_item(scsi_qla_host_t *vha, uint16_t size) 933 { 934 struct purex_item *item = NULL; 935 uint8_t item_hdr_size = sizeof(*item); 936 937 if (size > QLA_DEFAULT_PAYLOAD_SIZE) { 938 item = kzalloc(item_hdr_size + 939 (size - QLA_DEFAULT_PAYLOAD_SIZE), GFP_ATOMIC); 940 } else { 941 if (atomic_inc_return(&vha->default_item.in_use) == 1) { 942 item = &vha->default_item; 943 goto initialize_purex_header; 944 } else { 945 item = kzalloc(item_hdr_size, GFP_ATOMIC); 946 } 947 } 948 if (!item) { 949 ql_log(ql_log_warn, vha, 0x5092, 950 ">> Failed allocate purex list item.\n"); 951 952 return NULL; 953 } 954 955 initialize_purex_header: 956 item->vha = vha; 957 item->size = size; 958 return item; 959 } 960 961 static void 962 qla24xx_queue_purex_item(scsi_qla_host_t *vha, struct purex_item *pkt, 963 void (*process_item)(struct scsi_qla_host *vha, 964 struct purex_item *pkt)) 965 { 966 struct purex_list *list = &vha->purex_list; 967 ulong flags; 968 969 pkt->process_item = process_item; 970 971 spin_lock_irqsave(&list->lock, flags); 972 list_add_tail(&pkt->list, &list->head); 973 spin_unlock_irqrestore(&list->lock, flags); 974 975 set_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags); 976 } 977 978 /** 979 * qla24xx_copy_std_pkt() - Copy over purex ELS which is 980 * contained in a single IOCB. 981 * purex packet. 982 * @vha: SCSI driver HA context 983 * @pkt: ELS packet 984 */ 985 static struct purex_item 986 *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, void *pkt) 987 { 988 struct purex_item *item; 989 990 item = qla24xx_alloc_purex_item(vha, 991 QLA_DEFAULT_PAYLOAD_SIZE); 992 if (!item) 993 return item; 994 995 memcpy(&item->iocb, pkt, sizeof(item->iocb)); 996 return item; 997 } 998 999 /** 1000 * qla27xx_copy_fpin_pkt() - Copy over fpin packets that can 1001 * span over multiple IOCBs. 1002 * @vha: SCSI driver HA context 1003 * @pkt: ELS packet 1004 * @rsp: Response queue 1005 */ 1006 static struct purex_item * 1007 qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, void **pkt, 1008 struct rsp_que **rsp) 1009 { 1010 struct purex_entry_24xx *purex = *pkt; 1011 struct rsp_que *rsp_q = *rsp; 1012 sts_cont_entry_t *new_pkt; 1013 uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0; 1014 uint16_t buffer_copy_offset = 0; 1015 uint16_t entry_count, entry_count_remaining; 1016 struct purex_item *item; 1017 void *fpin_pkt = NULL; 1018 1019 total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF) 1020 - PURX_ELS_HEADER_SIZE; 1021 pending_bytes = total_bytes; 1022 entry_count = entry_count_remaining = purex->entry_count; 1023 no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ? 1024 sizeof(purex->els_frame_payload) : pending_bytes; 1025 ql_log(ql_log_info, vha, 0x509a, 1026 "FPIN ELS, frame_size 0x%x, entry count %d\n", 1027 total_bytes, entry_count); 1028 1029 item = qla24xx_alloc_purex_item(vha, total_bytes); 1030 if (!item) 1031 return item; 1032 1033 fpin_pkt = &item->iocb; 1034 1035 memcpy(fpin_pkt, &purex->els_frame_payload[0], no_bytes); 1036 buffer_copy_offset += no_bytes; 1037 pending_bytes -= no_bytes; 1038 --entry_count_remaining; 1039 1040 ((response_t *)purex)->signature = RESPONSE_PROCESSED; 1041 wmb(); 1042 1043 do { 1044 while ((total_bytes > 0) && (entry_count_remaining > 0)) { 1045 if (rsp_q->ring_ptr->signature == RESPONSE_PROCESSED) { 1046 ql_dbg(ql_dbg_async, vha, 0x5084, 1047 "Ran out of IOCBs, partial data 0x%x\n", 1048 buffer_copy_offset); 1049 cpu_relax(); 1050 continue; 1051 } 1052 1053 new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr; 1054 *pkt = new_pkt; 1055 1056 if (new_pkt->entry_type != STATUS_CONT_TYPE) { 1057 ql_log(ql_log_warn, vha, 0x507a, 1058 "Unexpected IOCB type, partial data 0x%x\n", 1059 buffer_copy_offset); 1060 break; 1061 } 1062 1063 rsp_q->ring_index++; 1064 if (rsp_q->ring_index == rsp_q->length) { 1065 rsp_q->ring_index = 0; 1066 rsp_q->ring_ptr = rsp_q->ring; 1067 } else { 1068 rsp_q->ring_ptr++; 1069 } 1070 no_bytes = (pending_bytes > sizeof(new_pkt->data)) ? 1071 sizeof(new_pkt->data) : pending_bytes; 1072 if ((buffer_copy_offset + no_bytes) <= total_bytes) { 1073 memcpy(((uint8_t *)fpin_pkt + 1074 buffer_copy_offset), new_pkt->data, 1075 no_bytes); 1076 buffer_copy_offset += no_bytes; 1077 pending_bytes -= no_bytes; 1078 --entry_count_remaining; 1079 } else { 1080 ql_log(ql_log_warn, vha, 0x5044, 1081 "Attempt to copy more that we got, optimizing..%x\n", 1082 buffer_copy_offset); 1083 memcpy(((uint8_t *)fpin_pkt + 1084 buffer_copy_offset), new_pkt->data, 1085 total_bytes - buffer_copy_offset); 1086 } 1087 1088 ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED; 1089 wmb(); 1090 } 1091 1092 if (pending_bytes != 0 || entry_count_remaining != 0) { 1093 ql_log(ql_log_fatal, vha, 0x508b, 1094 "Dropping partial FPIN, underrun bytes = 0x%x, entry cnts 0x%x\n", 1095 total_bytes, entry_count_remaining); 1096 qla24xx_free_purex_item(item); 1097 return NULL; 1098 } 1099 } while (entry_count_remaining > 0); 1100 host_to_fcp_swap((uint8_t *)&item->iocb, total_bytes); 1101 return item; 1102 } 1103 1104 /** 1105 * qla2x00_async_event() - Process aynchronous events. 1106 * @vha: SCSI driver HA context 1107 * @rsp: response queue 1108 * @mb: Mailbox registers (0 - 3) 1109 */ 1110 void 1111 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 1112 { 1113 uint16_t handle_cnt; 1114 uint16_t cnt, mbx; 1115 uint32_t handles[5]; 1116 struct qla_hw_data *ha = vha->hw; 1117 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1118 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 1119 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 1120 uint32_t rscn_entry, host_pid; 1121 unsigned long flags; 1122 fc_port_t *fcport = NULL; 1123 1124 if (!vha->hw->flags.fw_started) 1125 return; 1126 1127 /* Setup to process RIO completion. */ 1128 handle_cnt = 0; 1129 if (IS_CNA_CAPABLE(ha)) 1130 goto skip_rio; 1131 switch (mb[0]) { 1132 case MBA_SCSI_COMPLETION: 1133 handles[0] = make_handle(mb[2], mb[1]); 1134 handle_cnt = 1; 1135 break; 1136 case MBA_CMPLT_1_16BIT: 1137 handles[0] = mb[1]; 1138 handle_cnt = 1; 1139 mb[0] = MBA_SCSI_COMPLETION; 1140 break; 1141 case MBA_CMPLT_2_16BIT: 1142 handles[0] = mb[1]; 1143 handles[1] = mb[2]; 1144 handle_cnt = 2; 1145 mb[0] = MBA_SCSI_COMPLETION; 1146 break; 1147 case MBA_CMPLT_3_16BIT: 1148 handles[0] = mb[1]; 1149 handles[1] = mb[2]; 1150 handles[2] = mb[3]; 1151 handle_cnt = 3; 1152 mb[0] = MBA_SCSI_COMPLETION; 1153 break; 1154 case MBA_CMPLT_4_16BIT: 1155 handles[0] = mb[1]; 1156 handles[1] = mb[2]; 1157 handles[2] = mb[3]; 1158 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 1159 handle_cnt = 4; 1160 mb[0] = MBA_SCSI_COMPLETION; 1161 break; 1162 case MBA_CMPLT_5_16BIT: 1163 handles[0] = mb[1]; 1164 handles[1] = mb[2]; 1165 handles[2] = mb[3]; 1166 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 1167 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 1168 handle_cnt = 5; 1169 mb[0] = MBA_SCSI_COMPLETION; 1170 break; 1171 case MBA_CMPLT_2_32BIT: 1172 handles[0] = make_handle(mb[2], mb[1]); 1173 handles[1] = make_handle(RD_MAILBOX_REG(ha, reg, 7), 1174 RD_MAILBOX_REG(ha, reg, 6)); 1175 handle_cnt = 2; 1176 mb[0] = MBA_SCSI_COMPLETION; 1177 break; 1178 default: 1179 break; 1180 } 1181 skip_rio: 1182 switch (mb[0]) { 1183 case MBA_SCSI_COMPLETION: /* Fast Post */ 1184 if (!vha->flags.online) 1185 break; 1186 1187 for (cnt = 0; cnt < handle_cnt; cnt++) 1188 qla2x00_process_completed_request(vha, rsp->req, 1189 handles[cnt]); 1190 break; 1191 1192 case MBA_RESET: /* Reset */ 1193 ql_dbg(ql_dbg_async, vha, 0x5002, 1194 "Asynchronous RESET.\n"); 1195 1196 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1197 break; 1198 1199 case MBA_SYSTEM_ERR: /* System Error */ 1200 mbx = 0; 1201 1202 vha->hw_err_cnt++; 1203 1204 if (IS_QLA81XX(ha) || IS_QLA83XX(ha) || 1205 IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1206 u16 m[4]; 1207 1208 m[0] = rd_reg_word(®24->mailbox4); 1209 m[1] = rd_reg_word(®24->mailbox5); 1210 m[2] = rd_reg_word(®24->mailbox6); 1211 mbx = m[3] = rd_reg_word(®24->mailbox7); 1212 1213 ql_log(ql_log_warn, vha, 0x5003, 1214 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh mbx4=%xh mbx5=%xh mbx6=%xh mbx7=%xh.\n", 1215 mb[1], mb[2], mb[3], m[0], m[1], m[2], m[3]); 1216 } else 1217 ql_log(ql_log_warn, vha, 0x5003, 1218 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n ", 1219 mb[1], mb[2], mb[3]); 1220 1221 if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) && 1222 rd_reg_word(®24->mailbox7) & BIT_8) 1223 ha->isp_ops->mpi_fw_dump(vha, 1); 1224 ha->isp_ops->fw_dump(vha); 1225 ha->flags.fw_init_done = 0; 1226 QLA_FW_STOPPED(ha); 1227 1228 if (IS_FWI2_CAPABLE(ha)) { 1229 if (mb[1] == 0 && mb[2] == 0) { 1230 ql_log(ql_log_fatal, vha, 0x5004, 1231 "Unrecoverable Hardware Error: adapter " 1232 "marked OFFLINE!\n"); 1233 vha->flags.online = 0; 1234 vha->device_flags |= DFLG_DEV_FAILED; 1235 } else { 1236 /* Check to see if MPI timeout occurred */ 1237 if ((mbx & MBX_3) && (ha->port_no == 0)) 1238 set_bit(MPI_RESET_NEEDED, 1239 &vha->dpc_flags); 1240 1241 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1242 } 1243 } else if (mb[1] == 0) { 1244 ql_log(ql_log_fatal, vha, 0x5005, 1245 "Unrecoverable Hardware Error: adapter marked " 1246 "OFFLINE!\n"); 1247 vha->flags.online = 0; 1248 vha->device_flags |= DFLG_DEV_FAILED; 1249 } else 1250 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1251 break; 1252 1253 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 1254 ql_log(ql_log_warn, vha, 0x5006, 1255 "ISP Request Transfer Error (%x).\n", mb[1]); 1256 1257 vha->hw_err_cnt++; 1258 1259 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1260 break; 1261 1262 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 1263 ql_log(ql_log_warn, vha, 0x5007, 1264 "ISP Response Transfer Error (%x).\n", mb[1]); 1265 1266 vha->hw_err_cnt++; 1267 1268 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1269 break; 1270 1271 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 1272 ql_dbg(ql_dbg_async, vha, 0x5008, 1273 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 1274 break; 1275 1276 case MBA_LOOP_INIT_ERR: 1277 ql_log(ql_log_warn, vha, 0x5090, 1278 "LOOP INIT ERROR (%x).\n", mb[1]); 1279 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1280 break; 1281 1282 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 1283 ha->flags.lip_ae = 1; 1284 1285 ql_dbg(ql_dbg_async, vha, 0x5009, 1286 "LIP occurred (%x).\n", mb[1]); 1287 1288 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1289 atomic_set(&vha->loop_state, LOOP_DOWN); 1290 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1291 qla2x00_mark_all_devices_lost(vha); 1292 } 1293 1294 if (vha->vp_idx) { 1295 atomic_set(&vha->vp_state, VP_FAILED); 1296 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1297 } 1298 1299 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 1300 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 1301 1302 vha->flags.management_server_logged_in = 0; 1303 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 1304 break; 1305 1306 case MBA_LOOP_UP: /* Loop Up Event */ 1307 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1308 ha->link_data_rate = PORT_SPEED_1GB; 1309 else 1310 ha->link_data_rate = mb[1]; 1311 1312 ql_log(ql_log_info, vha, 0x500a, 1313 "LOOP UP detected (%s Gbps).\n", 1314 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 1315 1316 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1317 if (mb[2] & BIT_0) 1318 ql_log(ql_log_info, vha, 0x11a0, 1319 "FEC=enabled (link up).\n"); 1320 } 1321 1322 vha->flags.management_server_logged_in = 0; 1323 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 1324 1325 if (vha->link_down_time < vha->hw->port_down_retry_count) { 1326 vha->short_link_down_cnt++; 1327 vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 1328 } 1329 1330 break; 1331 1332 case MBA_LOOP_DOWN: /* Loop Down Event */ 1333 SAVE_TOPO(ha); 1334 ha->flags.lip_ae = 0; 1335 ha->current_topology = 0; 1336 vha->link_down_time = 0; 1337 1338 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 1339 ? rd_reg_word(®24->mailbox4) : 0; 1340 mbx = (IS_P3P_TYPE(ha)) ? rd_reg_word(®82->mailbox_out[4]) 1341 : mbx; 1342 ql_log(ql_log_info, vha, 0x500b, 1343 "LOOP DOWN detected (%x %x %x %x).\n", 1344 mb[1], mb[2], mb[3], mbx); 1345 1346 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1347 atomic_set(&vha->loop_state, LOOP_DOWN); 1348 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1349 /* 1350 * In case of loop down, restore WWPN from 1351 * NVRAM in case of FA-WWPN capable ISP 1352 * Restore for Physical Port only 1353 */ 1354 if (!vha->vp_idx) { 1355 if (ha->flags.fawwpn_enabled && 1356 (ha->current_topology == ISP_CFG_F)) { 1357 void *wwpn = ha->init_cb->port_name; 1358 1359 memcpy(vha->port_name, wwpn, WWN_SIZE); 1360 fc_host_port_name(vha->host) = 1361 wwn_to_u64(vha->port_name); 1362 ql_dbg(ql_dbg_init + ql_dbg_verbose, 1363 vha, 0x00d8, "LOOP DOWN detected," 1364 "restore WWPN %016llx\n", 1365 wwn_to_u64(vha->port_name)); 1366 } 1367 1368 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 1369 } 1370 1371 vha->device_flags |= DFLG_NO_CABLE; 1372 qla2x00_mark_all_devices_lost(vha); 1373 } 1374 1375 if (vha->vp_idx) { 1376 atomic_set(&vha->vp_state, VP_FAILED); 1377 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1378 } 1379 1380 vha->flags.management_server_logged_in = 0; 1381 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1382 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 1383 break; 1384 1385 case MBA_LIP_RESET: /* LIP reset occurred */ 1386 ql_dbg(ql_dbg_async, vha, 0x500c, 1387 "LIP reset occurred (%x).\n", mb[1]); 1388 1389 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1390 atomic_set(&vha->loop_state, LOOP_DOWN); 1391 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1392 qla2x00_mark_all_devices_lost(vha); 1393 } 1394 1395 if (vha->vp_idx) { 1396 atomic_set(&vha->vp_state, VP_FAILED); 1397 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1398 } 1399 1400 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1401 1402 ha->operating_mode = LOOP; 1403 vha->flags.management_server_logged_in = 0; 1404 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 1405 break; 1406 1407 /* case MBA_DCBX_COMPLETE: */ 1408 case MBA_POINT_TO_POINT: /* Point-to-Point */ 1409 ha->flags.lip_ae = 0; 1410 1411 if (IS_QLA2100(ha)) 1412 break; 1413 1414 if (IS_CNA_CAPABLE(ha)) { 1415 ql_dbg(ql_dbg_async, vha, 0x500d, 1416 "DCBX Completed -- %04x %04x %04x.\n", 1417 mb[1], mb[2], mb[3]); 1418 if (ha->notify_dcbx_comp && !vha->vp_idx) 1419 complete(&ha->dcbx_comp); 1420 1421 } else 1422 ql_dbg(ql_dbg_async, vha, 0x500e, 1423 "Asynchronous P2P MODE received.\n"); 1424 1425 /* 1426 * Until there's a transition from loop down to loop up, treat 1427 * this as loop down only. 1428 */ 1429 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1430 atomic_set(&vha->loop_state, LOOP_DOWN); 1431 if (!atomic_read(&vha->loop_down_timer)) 1432 atomic_set(&vha->loop_down_timer, 1433 LOOP_DOWN_TIME); 1434 if (!N2N_TOPO(ha)) 1435 qla2x00_mark_all_devices_lost(vha); 1436 } 1437 1438 if (vha->vp_idx) { 1439 atomic_set(&vha->vp_state, VP_FAILED); 1440 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1441 } 1442 1443 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 1444 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1445 1446 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 1447 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 1448 1449 vha->flags.management_server_logged_in = 0; 1450 break; 1451 1452 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 1453 if (IS_QLA2100(ha)) 1454 break; 1455 1456 ql_dbg(ql_dbg_async, vha, 0x500f, 1457 "Configuration change detected: value=%x.\n", mb[1]); 1458 1459 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1460 atomic_set(&vha->loop_state, LOOP_DOWN); 1461 if (!atomic_read(&vha->loop_down_timer)) 1462 atomic_set(&vha->loop_down_timer, 1463 LOOP_DOWN_TIME); 1464 qla2x00_mark_all_devices_lost(vha); 1465 } 1466 1467 if (vha->vp_idx) { 1468 atomic_set(&vha->vp_state, VP_FAILED); 1469 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1470 } 1471 1472 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1473 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1474 break; 1475 1476 case MBA_PORT_UPDATE: /* Port database update */ 1477 /* 1478 * Handle only global and vn-port update events 1479 * 1480 * Relevant inputs: 1481 * mb[1] = N_Port handle of changed port 1482 * OR 0xffff for global event 1483 * mb[2] = New login state 1484 * 7 = Port logged out 1485 * mb[3] = LSB is vp_idx, 0xff = all vps 1486 * 1487 * Skip processing if: 1488 * Event is global, vp_idx is NOT all vps, 1489 * vp_idx does not match 1490 * Event is not global, vp_idx does not match 1491 */ 1492 if (IS_QLA2XXX_MIDTYPE(ha) && 1493 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 1494 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 1495 break; 1496 1497 if (mb[2] == 0x7) { 1498 ql_dbg(ql_dbg_async, vha, 0x5010, 1499 "Port %s %04x %04x %04x.\n", 1500 mb[1] == 0xffff ? "unavailable" : "logout", 1501 mb[1], mb[2], mb[3]); 1502 1503 if (mb[1] == 0xffff) 1504 goto global_port_update; 1505 1506 if (mb[1] == NPH_SNS_LID(ha)) { 1507 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1508 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1509 break; 1510 } 1511 1512 /* use handle_cnt for loop id/nport handle */ 1513 if (IS_FWI2_CAPABLE(ha)) 1514 handle_cnt = NPH_SNS; 1515 else 1516 handle_cnt = SIMPLE_NAME_SERVER; 1517 if (mb[1] == handle_cnt) { 1518 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1519 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1520 break; 1521 } 1522 1523 /* Port logout */ 1524 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1525 if (!fcport) 1526 break; 1527 if (atomic_read(&fcport->state) != FCS_ONLINE) 1528 break; 1529 ql_dbg(ql_dbg_async, vha, 0x508a, 1530 "Marking port lost loopid=%04x portid=%06x.\n", 1531 fcport->loop_id, fcport->d_id.b24); 1532 if (qla_ini_mode_enabled(vha)) { 1533 fcport->logout_on_delete = 0; 1534 qlt_schedule_sess_for_deletion(fcport); 1535 } 1536 break; 1537 1538 global_port_update: 1539 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1540 atomic_set(&vha->loop_state, LOOP_DOWN); 1541 atomic_set(&vha->loop_down_timer, 1542 LOOP_DOWN_TIME); 1543 vha->device_flags |= DFLG_NO_CABLE; 1544 qla2x00_mark_all_devices_lost(vha); 1545 } 1546 1547 if (vha->vp_idx) { 1548 atomic_set(&vha->vp_state, VP_FAILED); 1549 fc_vport_set_state(vha->fc_vport, 1550 FC_VPORT_FAILED); 1551 qla2x00_mark_all_devices_lost(vha); 1552 } 1553 1554 vha->flags.management_server_logged_in = 0; 1555 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1556 break; 1557 } 1558 1559 /* 1560 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1561 * event etc. earlier indicating loop is down) then process 1562 * it. Otherwise ignore it and Wait for RSCN to come in. 1563 */ 1564 atomic_set(&vha->loop_down_timer, 0); 1565 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1566 !ha->flags.n2n_ae && 1567 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1568 ql_dbg(ql_dbg_async, vha, 0x5011, 1569 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1570 mb[1], mb[2], mb[3]); 1571 break; 1572 } 1573 1574 ql_dbg(ql_dbg_async, vha, 0x5012, 1575 "Port database changed %04x %04x %04x.\n", 1576 mb[1], mb[2], mb[3]); 1577 1578 /* 1579 * Mark all devices as missing so we will login again. 1580 */ 1581 atomic_set(&vha->loop_state, LOOP_UP); 1582 vha->scan.scan_retry = 0; 1583 1584 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1585 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1586 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1587 break; 1588 1589 case MBA_RSCN_UPDATE: /* State Change Registration */ 1590 /* Check if the Vport has issued a SCR */ 1591 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1592 break; 1593 /* Only handle SCNs for our Vport index. */ 1594 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1595 break; 1596 1597 ql_log(ql_log_warn, vha, 0x5013, 1598 "RSCN database changed -- %04x %04x %04x.\n", 1599 mb[1], mb[2], mb[3]); 1600 1601 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1602 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1603 | vha->d_id.b.al_pa; 1604 if (rscn_entry == host_pid) { 1605 ql_dbg(ql_dbg_async, vha, 0x5014, 1606 "Ignoring RSCN update to local host " 1607 "port ID (%06x).\n", host_pid); 1608 break; 1609 } 1610 1611 /* Ignore reserved bits from RSCN-payload. */ 1612 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1613 1614 /* Skip RSCNs for virtual ports on the same physical port */ 1615 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1616 break; 1617 1618 atomic_set(&vha->loop_down_timer, 0); 1619 vha->flags.management_server_logged_in = 0; 1620 { 1621 struct event_arg ea; 1622 1623 memset(&ea, 0, sizeof(ea)); 1624 ea.id.b24 = rscn_entry; 1625 ea.id.b.rsvd_1 = rscn_entry >> 24; 1626 qla2x00_handle_rscn(vha, &ea); 1627 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1628 } 1629 break; 1630 case MBA_CONGN_NOTI_RECV: 1631 if (!ha->flags.scm_enabled || 1632 mb[1] != QLA_CON_PRIMITIVE_RECEIVED) 1633 break; 1634 1635 if (mb[2] == QLA_CONGESTION_ARB_WARNING) { 1636 ql_dbg(ql_dbg_async, vha, 0x509b, 1637 "Congestion Warning %04x %04x.\n", mb[1], mb[2]); 1638 } else if (mb[2] == QLA_CONGESTION_ARB_ALARM) { 1639 ql_log(ql_log_warn, vha, 0x509b, 1640 "Congestion Alarm %04x %04x.\n", mb[1], mb[2]); 1641 } 1642 break; 1643 /* case MBA_RIO_RESPONSE: */ 1644 case MBA_ZIO_RESPONSE: 1645 ql_dbg(ql_dbg_async, vha, 0x5015, 1646 "[R|Z]IO update completion.\n"); 1647 1648 if (IS_FWI2_CAPABLE(ha)) 1649 qla24xx_process_response_queue(vha, rsp); 1650 else 1651 qla2x00_process_response_queue(rsp); 1652 break; 1653 1654 case MBA_DISCARD_RND_FRAME: 1655 ql_dbg(ql_dbg_async, vha, 0x5016, 1656 "Discard RND Frame -- %04x %04x %04x.\n", 1657 mb[1], mb[2], mb[3]); 1658 vha->interface_err_cnt++; 1659 break; 1660 1661 case MBA_TRACE_NOTIFICATION: 1662 ql_dbg(ql_dbg_async, vha, 0x5017, 1663 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1664 break; 1665 1666 case MBA_ISP84XX_ALERT: 1667 ql_dbg(ql_dbg_async, vha, 0x5018, 1668 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1669 mb[1], mb[2], mb[3]); 1670 1671 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1672 switch (mb[1]) { 1673 case A84_PANIC_RECOVERY: 1674 ql_log(ql_log_info, vha, 0x5019, 1675 "Alert 84XX: panic recovery %04x %04x.\n", 1676 mb[2], mb[3]); 1677 break; 1678 case A84_OP_LOGIN_COMPLETE: 1679 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1680 ql_log(ql_log_info, vha, 0x501a, 1681 "Alert 84XX: firmware version %x.\n", 1682 ha->cs84xx->op_fw_version); 1683 break; 1684 case A84_DIAG_LOGIN_COMPLETE: 1685 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1686 ql_log(ql_log_info, vha, 0x501b, 1687 "Alert 84XX: diagnostic firmware version %x.\n", 1688 ha->cs84xx->diag_fw_version); 1689 break; 1690 case A84_GOLD_LOGIN_COMPLETE: 1691 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1692 ha->cs84xx->fw_update = 1; 1693 ql_log(ql_log_info, vha, 0x501c, 1694 "Alert 84XX: gold firmware version %x.\n", 1695 ha->cs84xx->gold_fw_version); 1696 break; 1697 default: 1698 ql_log(ql_log_warn, vha, 0x501d, 1699 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1700 mb[1], mb[2], mb[3]); 1701 } 1702 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1703 break; 1704 case MBA_DCBX_START: 1705 ql_dbg(ql_dbg_async, vha, 0x501e, 1706 "DCBX Started -- %04x %04x %04x.\n", 1707 mb[1], mb[2], mb[3]); 1708 break; 1709 case MBA_DCBX_PARAM_UPDATE: 1710 ql_dbg(ql_dbg_async, vha, 0x501f, 1711 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1712 mb[1], mb[2], mb[3]); 1713 break; 1714 case MBA_FCF_CONF_ERR: 1715 ql_dbg(ql_dbg_async, vha, 0x5020, 1716 "FCF Configuration Error -- %04x %04x %04x.\n", 1717 mb[1], mb[2], mb[3]); 1718 break; 1719 case MBA_IDC_NOTIFY: 1720 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1721 mb[4] = rd_reg_word(®24->mailbox4); 1722 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1723 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1724 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1725 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1726 /* 1727 * Extend loop down timer since port is active. 1728 */ 1729 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1730 atomic_set(&vha->loop_down_timer, 1731 LOOP_DOWN_TIME); 1732 qla2xxx_wake_dpc(vha); 1733 } 1734 } 1735 fallthrough; 1736 case MBA_IDC_COMPLETE: 1737 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1738 complete(&ha->lb_portup_comp); 1739 fallthrough; 1740 case MBA_IDC_TIME_EXT: 1741 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1742 IS_QLA8044(ha)) 1743 qla81xx_idc_event(vha, mb[0], mb[1]); 1744 break; 1745 1746 case MBA_IDC_AEN: 1747 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1748 vha->hw_err_cnt++; 1749 qla27xx_handle_8200_aen(vha, mb); 1750 } else if (IS_QLA83XX(ha)) { 1751 mb[4] = rd_reg_word(®24->mailbox4); 1752 mb[5] = rd_reg_word(®24->mailbox5); 1753 mb[6] = rd_reg_word(®24->mailbox6); 1754 mb[7] = rd_reg_word(®24->mailbox7); 1755 qla83xx_handle_8200_aen(vha, mb); 1756 } else { 1757 ql_dbg(ql_dbg_async, vha, 0x5052, 1758 "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n", 1759 mb[0], mb[1], mb[2], mb[3]); 1760 } 1761 break; 1762 1763 case MBA_DPORT_DIAGNOSTICS: 1764 ql_dbg(ql_dbg_async, vha, 0x5052, 1765 "D-Port Diagnostics: %04x %04x %04x %04x\n", 1766 mb[0], mb[1], mb[2], mb[3]); 1767 memcpy(vha->dport_data, mb, sizeof(vha->dport_data)); 1768 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1769 static char *results[] = { 1770 "start", "done(pass)", "done(error)", "undefined" }; 1771 static char *types[] = { 1772 "none", "dynamic", "static", "other" }; 1773 uint result = mb[1] >> 0 & 0x3; 1774 uint type = mb[1] >> 6 & 0x3; 1775 uint sw = mb[1] >> 15 & 0x1; 1776 ql_dbg(ql_dbg_async, vha, 0x5052, 1777 "D-Port Diagnostics: result=%s type=%s [sw=%u]\n", 1778 results[result], types[type], sw); 1779 if (result == 2) { 1780 static char *reasons[] = { 1781 "reserved", "unexpected reject", 1782 "unexpected phase", "retry exceeded", 1783 "timed out", "not supported", 1784 "user stopped" }; 1785 uint reason = mb[2] >> 0 & 0xf; 1786 uint phase = mb[2] >> 12 & 0xf; 1787 ql_dbg(ql_dbg_async, vha, 0x5052, 1788 "D-Port Diagnostics: reason=%s phase=%u \n", 1789 reason < 7 ? reasons[reason] : "other", 1790 phase >> 1); 1791 } 1792 } 1793 break; 1794 1795 case MBA_TEMPERATURE_ALERT: 1796 ql_dbg(ql_dbg_async, vha, 0x505e, 1797 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1798 break; 1799 1800 case MBA_TRANS_INSERT: 1801 ql_dbg(ql_dbg_async, vha, 0x5091, 1802 "Transceiver Insertion: %04x\n", mb[1]); 1803 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 1804 break; 1805 1806 case MBA_TRANS_REMOVE: 1807 ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Removal\n"); 1808 break; 1809 1810 default: 1811 ql_dbg(ql_dbg_async, vha, 0x5057, 1812 "Unknown AEN:%04x %04x %04x %04x\n", 1813 mb[0], mb[1], mb[2], mb[3]); 1814 } 1815 1816 qlt_async_event(mb[0], vha, mb); 1817 1818 if (!vha->vp_idx && ha->num_vhosts) 1819 qla2x00_alert_all_vps(rsp, mb); 1820 } 1821 1822 /** 1823 * qla2x00_process_completed_request() - Process a Fast Post response. 1824 * @vha: SCSI driver HA context 1825 * @req: request queue 1826 * @index: SRB index 1827 */ 1828 void 1829 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1830 struct req_que *req, uint32_t index) 1831 { 1832 srb_t *sp; 1833 struct qla_hw_data *ha = vha->hw; 1834 1835 /* Validate handle. */ 1836 if (index >= req->num_outstanding_cmds) { 1837 ql_log(ql_log_warn, vha, 0x3014, 1838 "Invalid SCSI command index (%x).\n", index); 1839 1840 if (IS_P3P_TYPE(ha)) 1841 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1842 else 1843 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1844 return; 1845 } 1846 1847 sp = req->outstanding_cmds[index]; 1848 if (sp) { 1849 /* Free outstanding command slot. */ 1850 req->outstanding_cmds[index] = NULL; 1851 1852 /* Save ISP completion status */ 1853 sp->done(sp, DID_OK << 16); 1854 } else { 1855 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1856 1857 if (IS_P3P_TYPE(ha)) 1858 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1859 else 1860 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1861 } 1862 } 1863 1864 srb_t * 1865 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1866 struct req_que *req, void *iocb) 1867 { 1868 struct qla_hw_data *ha = vha->hw; 1869 sts_entry_t *pkt = iocb; 1870 srb_t *sp; 1871 uint16_t index; 1872 1873 if (pkt->handle == QLA_SKIP_HANDLE) 1874 return NULL; 1875 1876 index = LSW(pkt->handle); 1877 if (index >= req->num_outstanding_cmds) { 1878 ql_log(ql_log_warn, vha, 0x5031, 1879 "%s: Invalid command index (%x) type %8ph.\n", 1880 func, index, iocb); 1881 if (IS_P3P_TYPE(ha)) 1882 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1883 else 1884 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1885 return NULL; 1886 } 1887 sp = req->outstanding_cmds[index]; 1888 if (!sp) { 1889 ql_log(ql_log_warn, vha, 0x5032, 1890 "%s: Invalid completion handle (%x) -- timed-out.\n", 1891 func, index); 1892 return NULL; 1893 } 1894 if (sp->handle != index) { 1895 ql_log(ql_log_warn, vha, 0x5033, 1896 "%s: SRB handle (%x) mismatch %x.\n", func, 1897 sp->handle, index); 1898 return NULL; 1899 } 1900 1901 req->outstanding_cmds[index] = NULL; 1902 return sp; 1903 } 1904 1905 static void 1906 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1907 struct mbx_entry *mbx) 1908 { 1909 const char func[] = "MBX-IOCB"; 1910 const char *type; 1911 fc_port_t *fcport; 1912 srb_t *sp; 1913 struct srb_iocb *lio; 1914 uint16_t *data; 1915 uint16_t status; 1916 1917 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1918 if (!sp) 1919 return; 1920 1921 lio = &sp->u.iocb_cmd; 1922 type = sp->name; 1923 fcport = sp->fcport; 1924 data = lio->u.logio.data; 1925 1926 data[0] = MBS_COMMAND_ERROR; 1927 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1928 QLA_LOGIO_LOGIN_RETRIED : 0; 1929 if (mbx->entry_status) { 1930 ql_dbg(ql_dbg_async, vha, 0x5043, 1931 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1932 "entry-status=%x status=%x state-flag=%x " 1933 "status-flags=%x.\n", type, sp->handle, 1934 fcport->d_id.b.domain, fcport->d_id.b.area, 1935 fcport->d_id.b.al_pa, mbx->entry_status, 1936 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1937 le16_to_cpu(mbx->status_flags)); 1938 1939 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1940 mbx, sizeof(*mbx)); 1941 1942 goto logio_done; 1943 } 1944 1945 status = le16_to_cpu(mbx->status); 1946 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1947 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1948 status = 0; 1949 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1950 ql_dbg(ql_dbg_async, vha, 0x5045, 1951 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1952 type, sp->handle, fcport->d_id.b.domain, 1953 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1954 le16_to_cpu(mbx->mb1)); 1955 1956 data[0] = MBS_COMMAND_COMPLETE; 1957 if (sp->type == SRB_LOGIN_CMD) { 1958 fcport->port_type = FCT_TARGET; 1959 if (le16_to_cpu(mbx->mb1) & BIT_0) 1960 fcport->port_type = FCT_INITIATOR; 1961 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1962 fcport->flags |= FCF_FCP2_DEVICE; 1963 } 1964 goto logio_done; 1965 } 1966 1967 data[0] = le16_to_cpu(mbx->mb0); 1968 switch (data[0]) { 1969 case MBS_PORT_ID_USED: 1970 data[1] = le16_to_cpu(mbx->mb1); 1971 break; 1972 case MBS_LOOP_ID_USED: 1973 break; 1974 default: 1975 data[0] = MBS_COMMAND_ERROR; 1976 break; 1977 } 1978 1979 ql_log(ql_log_warn, vha, 0x5046, 1980 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1981 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1982 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1983 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1984 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1985 le16_to_cpu(mbx->mb7)); 1986 1987 logio_done: 1988 sp->done(sp, 0); 1989 } 1990 1991 static void 1992 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1993 struct mbx_24xx_entry *pkt) 1994 { 1995 const char func[] = "MBX-IOCB2"; 1996 struct qla_hw_data *ha = vha->hw; 1997 srb_t *sp; 1998 struct srb_iocb *si; 1999 u16 sz, i; 2000 int res; 2001 2002 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2003 if (!sp) 2004 return; 2005 2006 if (sp->type == SRB_SCSI_CMD || 2007 sp->type == SRB_NVME_CMD || 2008 sp->type == SRB_TM_CMD) { 2009 ql_log(ql_log_warn, vha, 0x509d, 2010 "Inconsistent event entry type %d\n", sp->type); 2011 if (IS_P3P_TYPE(ha)) 2012 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2013 else 2014 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2015 return; 2016 } 2017 2018 si = &sp->u.iocb_cmd; 2019 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 2020 2021 for (i = 0; i < sz; i++) 2022 si->u.mbx.in_mb[i] = pkt->mb[i]; 2023 2024 res = (si->u.mbx.in_mb[0] & MBS_MASK); 2025 2026 sp->done(sp, res); 2027 } 2028 2029 static void 2030 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2031 struct nack_to_isp *pkt) 2032 { 2033 const char func[] = "nack"; 2034 srb_t *sp; 2035 int res = 0; 2036 2037 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2038 if (!sp) 2039 return; 2040 2041 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 2042 res = QLA_FUNCTION_FAILED; 2043 2044 sp->done(sp, res); 2045 } 2046 2047 static void 2048 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 2049 sts_entry_t *pkt, int iocb_type) 2050 { 2051 const char func[] = "CT_IOCB"; 2052 const char *type; 2053 srb_t *sp; 2054 struct bsg_job *bsg_job; 2055 struct fc_bsg_reply *bsg_reply; 2056 uint16_t comp_status; 2057 int res = 0; 2058 2059 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2060 if (!sp) 2061 return; 2062 2063 switch (sp->type) { 2064 case SRB_CT_CMD: 2065 bsg_job = sp->u.bsg_job; 2066 bsg_reply = bsg_job->reply; 2067 2068 type = "ct pass-through"; 2069 2070 comp_status = le16_to_cpu(pkt->comp_status); 2071 2072 /* 2073 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 2074 * fc payload to the caller 2075 */ 2076 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 2077 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2078 2079 if (comp_status != CS_COMPLETE) { 2080 if (comp_status == CS_DATA_UNDERRUN) { 2081 res = DID_OK << 16; 2082 bsg_reply->reply_payload_rcv_len = 2083 le16_to_cpu(pkt->rsp_info_len); 2084 2085 ql_log(ql_log_warn, vha, 0x5048, 2086 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 2087 type, comp_status, 2088 bsg_reply->reply_payload_rcv_len); 2089 } else { 2090 ql_log(ql_log_warn, vha, 0x5049, 2091 "CT pass-through-%s error comp_status=0x%x.\n", 2092 type, comp_status); 2093 res = DID_ERROR << 16; 2094 bsg_reply->reply_payload_rcv_len = 0; 2095 } 2096 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 2097 pkt, sizeof(*pkt)); 2098 } else { 2099 res = DID_OK << 16; 2100 bsg_reply->reply_payload_rcv_len = 2101 bsg_job->reply_payload.payload_len; 2102 bsg_job->reply_len = 0; 2103 } 2104 break; 2105 case SRB_CT_PTHRU_CMD: 2106 /* 2107 * borrowing sts_entry_24xx.comp_status. 2108 * same location as ct_entry_24xx.comp_status 2109 */ 2110 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 2111 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 2112 sp->name); 2113 break; 2114 } 2115 2116 sp->done(sp, res); 2117 } 2118 2119 static void 2120 qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req, 2121 struct sts_entry_24xx *pkt, int iocb_type) 2122 { 2123 struct els_sts_entry_24xx *ese = (struct els_sts_entry_24xx *)pkt; 2124 const char func[] = "ELS_CT_IOCB"; 2125 const char *type; 2126 srb_t *sp; 2127 struct bsg_job *bsg_job; 2128 struct fc_bsg_reply *bsg_reply; 2129 uint16_t comp_status; 2130 uint32_t fw_status[3]; 2131 int res, logit = 1; 2132 struct srb_iocb *els; 2133 uint n; 2134 scsi_qla_host_t *vha; 2135 struct els_sts_entry_24xx *e = (struct els_sts_entry_24xx *)pkt; 2136 2137 sp = qla2x00_get_sp_from_handle(v, func, req, pkt); 2138 if (!sp) 2139 return; 2140 bsg_job = sp->u.bsg_job; 2141 vha = sp->vha; 2142 2143 type = NULL; 2144 2145 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 2146 fw_status[1] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1); 2147 fw_status[2] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2); 2148 2149 switch (sp->type) { 2150 case SRB_ELS_CMD_RPT: 2151 case SRB_ELS_CMD_HST: 2152 type = "rpt hst"; 2153 break; 2154 case SRB_ELS_CMD_HST_NOLOGIN: 2155 type = "els"; 2156 { 2157 struct els_entry_24xx *els = (void *)pkt; 2158 struct qla_bsg_auth_els_request *p = 2159 (struct qla_bsg_auth_els_request *)bsg_job->request; 2160 2161 ql_dbg(ql_dbg_user, vha, 0x700f, 2162 "%s %s. portid=%02x%02x%02x status %x xchg %x bsg ptr %p\n", 2163 __func__, sc_to_str(p->e.sub_cmd), 2164 e->d_id[2], e->d_id[1], e->d_id[0], 2165 comp_status, p->e.extra_rx_xchg_address, bsg_job); 2166 2167 if (!(le16_to_cpu(els->control_flags) & ECF_PAYLOAD_DESCR_MASK)) { 2168 if (sp->remap.remapped) { 2169 n = sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 2170 bsg_job->reply_payload.sg_cnt, 2171 sp->remap.rsp.buf, 2172 sp->remap.rsp.len); 2173 ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x700e, 2174 "%s: SG copied %x of %x\n", 2175 __func__, n, sp->remap.rsp.len); 2176 } else { 2177 ql_dbg(ql_dbg_user, vha, 0x700f, 2178 "%s: NOT REMAPPED (error)...!!!\n", 2179 __func__); 2180 } 2181 } 2182 } 2183 break; 2184 case SRB_CT_CMD: 2185 type = "ct pass-through"; 2186 break; 2187 case SRB_ELS_DCMD: 2188 type = "Driver ELS logo"; 2189 if (iocb_type != ELS_IOCB_TYPE) { 2190 ql_dbg(ql_dbg_user, vha, 0x5047, 2191 "Completing %s: (%p) type=%d.\n", 2192 type, sp, sp->type); 2193 sp->done(sp, 0); 2194 return; 2195 } 2196 break; 2197 case SRB_CT_PTHRU_CMD: 2198 /* borrowing sts_entry_24xx.comp_status. 2199 same location as ct_entry_24xx.comp_status 2200 */ 2201 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 2202 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 2203 sp->name); 2204 sp->done(sp, res); 2205 return; 2206 default: 2207 ql_dbg(ql_dbg_user, vha, 0x503e, 2208 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 2209 return; 2210 } 2211 2212 if (iocb_type == ELS_IOCB_TYPE) { 2213 els = &sp->u.iocb_cmd; 2214 els->u.els_plogi.fw_status[0] = cpu_to_le32(fw_status[0]); 2215 els->u.els_plogi.fw_status[1] = cpu_to_le32(fw_status[1]); 2216 els->u.els_plogi.fw_status[2] = cpu_to_le32(fw_status[2]); 2217 els->u.els_plogi.comp_status = cpu_to_le16(fw_status[0]); 2218 if (comp_status == CS_COMPLETE) { 2219 res = DID_OK << 16; 2220 } else { 2221 if (comp_status == CS_DATA_UNDERRUN) { 2222 res = DID_OK << 16; 2223 els->u.els_plogi.len = cpu_to_le16(le32_to_cpu( 2224 ese->total_byte_count)); 2225 2226 if (sp->remap.remapped && 2227 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_ACC) { 2228 ql_dbg(ql_dbg_user, vha, 0x503f, 2229 "%s IOCB Done LS_ACC %02x%02x%02x -> %02x%02x%02x", 2230 __func__, e->s_id[0], e->s_id[2], e->s_id[1], 2231 e->d_id[2], e->d_id[1], e->d_id[0]); 2232 logit = 0; 2233 } 2234 2235 } else if (comp_status == CS_PORT_LOGGED_OUT) { 2236 els->u.els_plogi.len = 0; 2237 res = DID_IMM_RETRY << 16; 2238 } else { 2239 els->u.els_plogi.len = 0; 2240 res = DID_ERROR << 16; 2241 } 2242 2243 if (logit) { 2244 if (sp->remap.remapped && 2245 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_RJT) { 2246 ql_dbg(ql_dbg_user, vha, 0x503f, 2247 "%s IOCB Done LS_RJT hdl=%x comp_status=0x%x\n", 2248 type, sp->handle, comp_status); 2249 2250 ql_dbg(ql_dbg_user, vha, 0x503f, 2251 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", 2252 fw_status[1], fw_status[2], 2253 le32_to_cpu(((struct els_sts_entry_24xx *) 2254 pkt)->total_byte_count), 2255 e->s_id[0], e->s_id[2], e->s_id[1], 2256 e->d_id[2], e->d_id[1], e->d_id[0]); 2257 } else { 2258 ql_log(ql_log_info, vha, 0x503f, 2259 "%s IOCB Done hdl=%x comp_status=0x%x\n", 2260 type, sp->handle, comp_status); 2261 ql_log(ql_log_info, vha, 0x503f, 2262 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", 2263 fw_status[1], fw_status[2], 2264 le32_to_cpu(((struct els_sts_entry_24xx *) 2265 pkt)->total_byte_count), 2266 e->s_id[0], e->s_id[2], e->s_id[1], 2267 e->d_id[2], e->d_id[1], e->d_id[0]); 2268 } 2269 } 2270 } 2271 goto els_ct_done; 2272 } 2273 2274 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 2275 * fc payload to the caller 2276 */ 2277 bsg_job = sp->u.bsg_job; 2278 bsg_reply = bsg_job->reply; 2279 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 2280 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 2281 2282 if (comp_status != CS_COMPLETE) { 2283 if (comp_status == CS_DATA_UNDERRUN) { 2284 res = DID_OK << 16; 2285 bsg_reply->reply_payload_rcv_len = 2286 le32_to_cpu(ese->total_byte_count); 2287 2288 ql_dbg(ql_dbg_user, vha, 0x503f, 2289 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 2290 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 2291 type, sp->handle, comp_status, fw_status[1], fw_status[2], 2292 le32_to_cpu(ese->total_byte_count)); 2293 } else { 2294 ql_dbg(ql_dbg_user, vha, 0x5040, 2295 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 2296 "error subcode 1=0x%x error subcode 2=0x%x.\n", 2297 type, sp->handle, comp_status, 2298 le32_to_cpu(ese->error_subcode_1), 2299 le32_to_cpu(ese->error_subcode_2)); 2300 res = DID_ERROR << 16; 2301 bsg_reply->reply_payload_rcv_len = 0; 2302 } 2303 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 2304 fw_status, sizeof(fw_status)); 2305 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 2306 pkt, sizeof(*pkt)); 2307 } 2308 else { 2309 res = DID_OK << 16; 2310 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 2311 bsg_job->reply_len = 0; 2312 } 2313 els_ct_done: 2314 2315 sp->done(sp, res); 2316 } 2317 2318 static void 2319 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 2320 struct logio_entry_24xx *logio) 2321 { 2322 const char func[] = "LOGIO-IOCB"; 2323 const char *type; 2324 fc_port_t *fcport; 2325 srb_t *sp; 2326 struct srb_iocb *lio; 2327 uint16_t *data; 2328 uint32_t iop[2]; 2329 int logit = 1; 2330 2331 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 2332 if (!sp) 2333 return; 2334 2335 lio = &sp->u.iocb_cmd; 2336 type = sp->name; 2337 fcport = sp->fcport; 2338 data = lio->u.logio.data; 2339 2340 data[0] = MBS_COMMAND_ERROR; 2341 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 2342 QLA_LOGIO_LOGIN_RETRIED : 0; 2343 if (logio->entry_status) { 2344 ql_log(ql_log_warn, fcport->vha, 0x5034, 2345 "Async-%s error entry - %8phC hdl=%x" 2346 "portid=%02x%02x%02x entry-status=%x.\n", 2347 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 2348 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2349 logio->entry_status); 2350 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 2351 logio, sizeof(*logio)); 2352 2353 goto logio_done; 2354 } 2355 2356 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 2357 ql_dbg(ql_dbg_async, sp->vha, 0x5036, 2358 "Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n", 2359 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2360 le32_to_cpu(logio->io_parameter[0])); 2361 2362 vha->hw->exch_starvation = 0; 2363 data[0] = MBS_COMMAND_COMPLETE; 2364 2365 if (sp->type == SRB_PRLI_CMD) { 2366 lio->u.logio.iop[0] = 2367 le32_to_cpu(logio->io_parameter[0]); 2368 lio->u.logio.iop[1] = 2369 le32_to_cpu(logio->io_parameter[1]); 2370 goto logio_done; 2371 } 2372 2373 if (sp->type != SRB_LOGIN_CMD) 2374 goto logio_done; 2375 2376 lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[5]); 2377 if (le32_to_cpu(logio->io_parameter[5]) & LIO_COMM_FEAT_FCSP) 2378 fcport->flags |= FCF_FCSP_DEVICE; 2379 2380 iop[0] = le32_to_cpu(logio->io_parameter[0]); 2381 if (iop[0] & BIT_4) { 2382 fcport->port_type = FCT_TARGET; 2383 if (iop[0] & BIT_8) 2384 fcport->flags |= FCF_FCP2_DEVICE; 2385 } else if (iop[0] & BIT_5) 2386 fcport->port_type = FCT_INITIATOR; 2387 2388 if (iop[0] & BIT_7) 2389 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 2390 2391 if (logio->io_parameter[7] || logio->io_parameter[8]) 2392 fcport->supported_classes |= FC_COS_CLASS2; 2393 if (logio->io_parameter[9] || logio->io_parameter[10]) 2394 fcport->supported_classes |= FC_COS_CLASS3; 2395 2396 goto logio_done; 2397 } 2398 2399 iop[0] = le32_to_cpu(logio->io_parameter[0]); 2400 iop[1] = le32_to_cpu(logio->io_parameter[1]); 2401 lio->u.logio.iop[0] = iop[0]; 2402 lio->u.logio.iop[1] = iop[1]; 2403 switch (iop[0]) { 2404 case LSC_SCODE_PORTID_USED: 2405 data[0] = MBS_PORT_ID_USED; 2406 data[1] = LSW(iop[1]); 2407 logit = 0; 2408 break; 2409 case LSC_SCODE_NPORT_USED: 2410 data[0] = MBS_LOOP_ID_USED; 2411 logit = 0; 2412 break; 2413 case LSC_SCODE_CMD_FAILED: 2414 if (iop[1] == 0x0606) { 2415 /* 2416 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 2417 * Target side acked. 2418 */ 2419 data[0] = MBS_COMMAND_COMPLETE; 2420 goto logio_done; 2421 } 2422 data[0] = MBS_COMMAND_ERROR; 2423 break; 2424 case LSC_SCODE_NOXCB: 2425 vha->hw->exch_starvation++; 2426 if (vha->hw->exch_starvation > 5) { 2427 ql_log(ql_log_warn, vha, 0xd046, 2428 "Exchange starvation. Resetting RISC\n"); 2429 2430 vha->hw->exch_starvation = 0; 2431 2432 if (IS_P3P_TYPE(vha->hw)) 2433 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2434 else 2435 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2436 qla2xxx_wake_dpc(vha); 2437 } 2438 fallthrough; 2439 default: 2440 data[0] = MBS_COMMAND_ERROR; 2441 break; 2442 } 2443 2444 if (logit) 2445 ql_log(ql_log_warn, sp->vha, 0x5037, "Async-%s failed: " 2446 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", 2447 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2448 le16_to_cpu(logio->comp_status), 2449 le32_to_cpu(logio->io_parameter[0]), 2450 le32_to_cpu(logio->io_parameter[1])); 2451 else 2452 ql_dbg(ql_dbg_disc, sp->vha, 0x5037, "Async-%s failed: " 2453 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", 2454 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2455 le16_to_cpu(logio->comp_status), 2456 le32_to_cpu(logio->io_parameter[0]), 2457 le32_to_cpu(logio->io_parameter[1])); 2458 2459 logio_done: 2460 sp->done(sp, 0); 2461 } 2462 2463 static void 2464 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 2465 { 2466 const char func[] = "TMF-IOCB"; 2467 const char *type; 2468 fc_port_t *fcport; 2469 srb_t *sp; 2470 struct srb_iocb *iocb; 2471 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2472 u16 comp_status; 2473 2474 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 2475 if (!sp) 2476 return; 2477 2478 comp_status = le16_to_cpu(sts->comp_status); 2479 iocb = &sp->u.iocb_cmd; 2480 type = sp->name; 2481 fcport = sp->fcport; 2482 iocb->u.tmf.data = QLA_SUCCESS; 2483 2484 if (sts->entry_status) { 2485 ql_log(ql_log_warn, fcport->vha, 0x5038, 2486 "Async-%s error - hdl=%x entry-status(%x).\n", 2487 type, sp->handle, sts->entry_status); 2488 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2489 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 2490 ql_log(ql_log_warn, fcport->vha, 0x5039, 2491 "Async-%s error - hdl=%x completion status(%x).\n", 2492 type, sp->handle, comp_status); 2493 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2494 } else if ((le16_to_cpu(sts->scsi_status) & 2495 SS_RESPONSE_INFO_LEN_VALID)) { 2496 if (le32_to_cpu(sts->rsp_data_len) < 4) { 2497 ql_log(ql_log_warn, fcport->vha, 0x503b, 2498 "Async-%s error - hdl=%x not enough response(%d).\n", 2499 type, sp->handle, sts->rsp_data_len); 2500 } else if (sts->data[3]) { 2501 ql_log(ql_log_warn, fcport->vha, 0x503c, 2502 "Async-%s error - hdl=%x response(%x).\n", 2503 type, sp->handle, sts->data[3]); 2504 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2505 } 2506 } 2507 2508 switch (comp_status) { 2509 case CS_PORT_LOGGED_OUT: 2510 case CS_PORT_CONFIG_CHG: 2511 case CS_PORT_BUSY: 2512 case CS_INCOMPLETE: 2513 case CS_PORT_UNAVAILABLE: 2514 case CS_TIMEOUT: 2515 case CS_RESET: 2516 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2517 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2518 "-Port to be marked lost on fcport=%02x%02x%02x, current port state= %s comp_status %x.\n", 2519 fcport->d_id.b.domain, fcport->d_id.b.area, 2520 fcport->d_id.b.al_pa, 2521 port_state_str[FCS_ONLINE], 2522 comp_status); 2523 2524 qlt_schedule_sess_for_deletion(fcport); 2525 } 2526 break; 2527 2528 default: 2529 break; 2530 } 2531 2532 if (iocb->u.tmf.data != QLA_SUCCESS) 2533 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, 2534 sts, sizeof(*sts)); 2535 2536 sp->done(sp, 0); 2537 } 2538 2539 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2540 void *tsk, srb_t *sp) 2541 { 2542 fc_port_t *fcport; 2543 struct srb_iocb *iocb; 2544 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2545 uint16_t state_flags; 2546 struct nvmefc_fcp_req *fd; 2547 uint16_t ret = QLA_SUCCESS; 2548 __le16 comp_status = sts->comp_status; 2549 int logit = 0; 2550 2551 iocb = &sp->u.iocb_cmd; 2552 fcport = sp->fcport; 2553 iocb->u.nvme.comp_status = comp_status; 2554 state_flags = le16_to_cpu(sts->state_flags); 2555 fd = iocb->u.nvme.desc; 2556 2557 if (unlikely(iocb->u.nvme.aen_op)) 2558 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 2559 else 2560 sp->qpair->cmd_completion_cnt++; 2561 2562 if (unlikely(comp_status != CS_COMPLETE)) 2563 logit = 1; 2564 2565 fd->transferred_length = fd->payload_length - 2566 le32_to_cpu(sts->residual_len); 2567 2568 /* 2569 * State flags: Bit 6 and 0. 2570 * If 0 is set, we don't care about 6. 2571 * both cases resp was dma'd to host buffer 2572 * if both are 0, that is good path case. 2573 * if six is set and 0 is clear, we need to 2574 * copy resp data from status iocb to resp buffer. 2575 */ 2576 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 2577 iocb->u.nvme.rsp_pyld_len = 0; 2578 } else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) == 2579 (SF_FCP_RSP_DMA | SF_NVME_ERSP)) { 2580 /* Response already DMA'd to fd->rspaddr. */ 2581 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; 2582 } else if ((state_flags & SF_FCP_RSP_DMA)) { 2583 /* 2584 * Non-zero value in first 12 bytes of NVMe_RSP IU, treat this 2585 * as an error. 2586 */ 2587 iocb->u.nvme.rsp_pyld_len = 0; 2588 fd->transferred_length = 0; 2589 ql_dbg(ql_dbg_io, fcport->vha, 0x307a, 2590 "Unexpected values in NVMe_RSP IU.\n"); 2591 logit = 1; 2592 } else if (state_flags & SF_NVME_ERSP) { 2593 uint32_t *inbuf, *outbuf; 2594 uint16_t iter; 2595 2596 inbuf = (uint32_t *)&sts->nvme_ersp_data; 2597 outbuf = (uint32_t *)fd->rspaddr; 2598 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; 2599 if (unlikely(le16_to_cpu(iocb->u.nvme.rsp_pyld_len) > 2600 sizeof(struct nvme_fc_ersp_iu))) { 2601 if (ql_mask_match(ql_dbg_io)) { 2602 WARN_ONCE(1, "Unexpected response payload length %u.\n", 2603 iocb->u.nvme.rsp_pyld_len); 2604 ql_log(ql_log_warn, fcport->vha, 0x5100, 2605 "Unexpected response payload length %u.\n", 2606 iocb->u.nvme.rsp_pyld_len); 2607 } 2608 iocb->u.nvme.rsp_pyld_len = 2609 cpu_to_le16(sizeof(struct nvme_fc_ersp_iu)); 2610 } 2611 iter = le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >> 2; 2612 for (; iter; iter--) 2613 *outbuf++ = swab32(*inbuf++); 2614 } 2615 2616 if (state_flags & SF_NVME_ERSP) { 2617 struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr; 2618 u32 tgt_xfer_len; 2619 2620 tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len); 2621 if (fd->transferred_length != tgt_xfer_len) { 2622 ql_log(ql_log_warn, fcport->vha, 0x3079, 2623 "Dropped frame(s) detected (sent/rcvd=%u/%u).\n", 2624 tgt_xfer_len, fd->transferred_length); 2625 logit = 1; 2626 } else if (le16_to_cpu(comp_status) == CS_DATA_UNDERRUN) { 2627 /* 2628 * Do not log if this is just an underflow and there 2629 * is no data loss. 2630 */ 2631 logit = 0; 2632 } 2633 } 2634 2635 if (unlikely(logit)) 2636 ql_log(ql_log_warn, fcport->vha, 0x5060, 2637 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 2638 sp->name, sp->handle, comp_status, 2639 fd->transferred_length, le32_to_cpu(sts->residual_len), 2640 sts->ox_id); 2641 2642 /* 2643 * If transport error then Failure (HBA rejects request) 2644 * otherwise transport will handle. 2645 */ 2646 switch (le16_to_cpu(comp_status)) { 2647 case CS_COMPLETE: 2648 break; 2649 2650 case CS_RESET: 2651 case CS_PORT_UNAVAILABLE: 2652 case CS_PORT_LOGGED_OUT: 2653 fcport->nvme_flag |= NVME_FLAG_RESETTING; 2654 fallthrough; 2655 case CS_ABORTED: 2656 case CS_PORT_BUSY: 2657 fd->transferred_length = 0; 2658 iocb->u.nvme.rsp_pyld_len = 0; 2659 ret = QLA_ABORTED; 2660 break; 2661 case CS_DATA_UNDERRUN: 2662 break; 2663 default: 2664 ret = QLA_FUNCTION_FAILED; 2665 break; 2666 } 2667 sp->done(sp, ret); 2668 } 2669 2670 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 2671 struct vp_ctrl_entry_24xx *vce) 2672 { 2673 const char func[] = "CTRLVP-IOCB"; 2674 srb_t *sp; 2675 int rval = QLA_SUCCESS; 2676 2677 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 2678 if (!sp) 2679 return; 2680 2681 if (vce->entry_status != 0) { 2682 ql_dbg(ql_dbg_vport, vha, 0x10c4, 2683 "%s: Failed to complete IOCB -- error status (%x)\n", 2684 sp->name, vce->entry_status); 2685 rval = QLA_FUNCTION_FAILED; 2686 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 2687 ql_dbg(ql_dbg_vport, vha, 0x10c5, 2688 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 2689 sp->name, le16_to_cpu(vce->comp_status), 2690 le16_to_cpu(vce->vp_idx_failed)); 2691 rval = QLA_FUNCTION_FAILED; 2692 } else { 2693 ql_dbg(ql_dbg_vport, vha, 0x10c6, 2694 "Done %s.\n", __func__); 2695 } 2696 2697 sp->rc = rval; 2698 sp->done(sp, rval); 2699 } 2700 2701 /* Process a single response queue entry. */ 2702 static void qla2x00_process_response_entry(struct scsi_qla_host *vha, 2703 struct rsp_que *rsp, 2704 sts_entry_t *pkt) 2705 { 2706 sts21_entry_t *sts21_entry; 2707 sts22_entry_t *sts22_entry; 2708 uint16_t handle_cnt; 2709 uint16_t cnt; 2710 2711 switch (pkt->entry_type) { 2712 case STATUS_TYPE: 2713 qla2x00_status_entry(vha, rsp, pkt); 2714 break; 2715 case STATUS_TYPE_21: 2716 sts21_entry = (sts21_entry_t *)pkt; 2717 handle_cnt = sts21_entry->handle_count; 2718 for (cnt = 0; cnt < handle_cnt; cnt++) 2719 qla2x00_process_completed_request(vha, rsp->req, 2720 sts21_entry->handle[cnt]); 2721 break; 2722 case STATUS_TYPE_22: 2723 sts22_entry = (sts22_entry_t *)pkt; 2724 handle_cnt = sts22_entry->handle_count; 2725 for (cnt = 0; cnt < handle_cnt; cnt++) 2726 qla2x00_process_completed_request(vha, rsp->req, 2727 sts22_entry->handle[cnt]); 2728 break; 2729 case STATUS_CONT_TYPE: 2730 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2731 break; 2732 case MBX_IOCB_TYPE: 2733 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt); 2734 break; 2735 case CT_IOCB_TYPE: 2736 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2737 break; 2738 default: 2739 /* Type Not Supported. */ 2740 ql_log(ql_log_warn, vha, 0x504a, 2741 "Received unknown response pkt type %x entry status=%x.\n", 2742 pkt->entry_type, pkt->entry_status); 2743 break; 2744 } 2745 } 2746 2747 /** 2748 * qla2x00_process_response_queue() - Process response queue entries. 2749 * @rsp: response queue 2750 */ 2751 void 2752 qla2x00_process_response_queue(struct rsp_que *rsp) 2753 { 2754 struct scsi_qla_host *vha; 2755 struct qla_hw_data *ha = rsp->hw; 2756 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2757 sts_entry_t *pkt; 2758 2759 vha = pci_get_drvdata(ha->pdev); 2760 2761 if (!vha->flags.online) 2762 return; 2763 2764 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2765 pkt = (sts_entry_t *)rsp->ring_ptr; 2766 2767 rsp->ring_index++; 2768 if (rsp->ring_index == rsp->length) { 2769 rsp->ring_index = 0; 2770 rsp->ring_ptr = rsp->ring; 2771 } else { 2772 rsp->ring_ptr++; 2773 } 2774 2775 if (pkt->entry_status != 0) { 2776 qla2x00_error_entry(vha, rsp, pkt); 2777 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2778 wmb(); 2779 continue; 2780 } 2781 2782 qla2x00_process_response_entry(vha, rsp, pkt); 2783 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2784 wmb(); 2785 } 2786 2787 /* Adjust ring index */ 2788 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2789 } 2790 2791 static inline void 2792 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2793 uint32_t sense_len, struct rsp_que *rsp, int res) 2794 { 2795 struct scsi_qla_host *vha = sp->vha; 2796 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2797 uint32_t track_sense_len; 2798 2799 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2800 sense_len = SCSI_SENSE_BUFFERSIZE; 2801 2802 SET_CMD_SENSE_LEN(sp, sense_len); 2803 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2804 track_sense_len = sense_len; 2805 2806 if (sense_len > par_sense_len) 2807 sense_len = par_sense_len; 2808 2809 memcpy(cp->sense_buffer, sense_data, sense_len); 2810 2811 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2812 track_sense_len -= sense_len; 2813 SET_CMD_SENSE_LEN(sp, track_sense_len); 2814 2815 if (track_sense_len != 0) { 2816 rsp->status_srb = sp; 2817 cp->result = res; 2818 } 2819 2820 if (sense_len) { 2821 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2822 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2823 sp->vha->host_no, cp->device->id, cp->device->lun, 2824 cp); 2825 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2826 cp->sense_buffer, sense_len); 2827 } 2828 } 2829 2830 struct scsi_dif_tuple { 2831 __be16 guard; /* Checksum */ 2832 __be16 app_tag; /* APPL identifier */ 2833 __be32 ref_tag; /* Target LBA or indirect LBA */ 2834 }; 2835 2836 /* 2837 * Checks the guard or meta-data for the type of error 2838 * detected by the HBA. In case of errors, we set the 2839 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2840 * to indicate to the kernel that the HBA detected error. 2841 */ 2842 static inline int 2843 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2844 { 2845 struct scsi_qla_host *vha = sp->vha; 2846 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2847 uint8_t *ap = &sts24->data[12]; 2848 uint8_t *ep = &sts24->data[20]; 2849 uint32_t e_ref_tag, a_ref_tag; 2850 uint16_t e_app_tag, a_app_tag; 2851 uint16_t e_guard, a_guard; 2852 2853 /* 2854 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2855 * would make guard field appear at offset 2 2856 */ 2857 a_guard = get_unaligned_le16(ap + 2); 2858 a_app_tag = get_unaligned_le16(ap + 0); 2859 a_ref_tag = get_unaligned_le32(ap + 4); 2860 e_guard = get_unaligned_le16(ep + 2); 2861 e_app_tag = get_unaligned_le16(ep + 0); 2862 e_ref_tag = get_unaligned_le32(ep + 4); 2863 2864 ql_dbg(ql_dbg_io, vha, 0x3023, 2865 "iocb(s) %p Returned STATUS.\n", sts24); 2866 2867 ql_dbg(ql_dbg_io, vha, 0x3024, 2868 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2869 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2870 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2871 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2872 a_app_tag, e_app_tag, a_guard, e_guard); 2873 2874 /* 2875 * Ignore sector if: 2876 * For type 3: ref & app tag is all 'f's 2877 * For type 0,1,2: app tag is all 'f's 2878 */ 2879 if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) && 2880 (scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 || 2881 a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) { 2882 uint32_t blocks_done, resid; 2883 sector_t lba_s = scsi_get_lba(cmd); 2884 2885 /* 2TB boundary case covered automatically with this */ 2886 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2887 2888 resid = scsi_bufflen(cmd) - (blocks_done * 2889 cmd->device->sector_size); 2890 2891 scsi_set_resid(cmd, resid); 2892 cmd->result = DID_OK << 16; 2893 2894 /* Update protection tag */ 2895 if (scsi_prot_sg_count(cmd)) { 2896 uint32_t i, j = 0, k = 0, num_ent; 2897 struct scatterlist *sg; 2898 struct t10_pi_tuple *spt; 2899 2900 /* Patch the corresponding protection tags */ 2901 scsi_for_each_prot_sg(cmd, sg, 2902 scsi_prot_sg_count(cmd), i) { 2903 num_ent = sg_dma_len(sg) / 8; 2904 if (k + num_ent < blocks_done) { 2905 k += num_ent; 2906 continue; 2907 } 2908 j = blocks_done - k - 1; 2909 k = blocks_done; 2910 break; 2911 } 2912 2913 if (k != blocks_done) { 2914 ql_log(ql_log_warn, vha, 0x302f, 2915 "unexpected tag values tag:lba=%x:%llx)\n", 2916 e_ref_tag, (unsigned long long)lba_s); 2917 return 1; 2918 } 2919 2920 spt = page_address(sg_page(sg)) + sg->offset; 2921 spt += j; 2922 2923 spt->app_tag = T10_PI_APP_ESCAPE; 2924 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2925 spt->ref_tag = T10_PI_REF_ESCAPE; 2926 } 2927 2928 return 0; 2929 } 2930 2931 /* check guard */ 2932 if (e_guard != a_guard) { 2933 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1); 2934 set_host_byte(cmd, DID_ABORT); 2935 return 1; 2936 } 2937 2938 /* check ref tag */ 2939 if (e_ref_tag != a_ref_tag) { 2940 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3); 2941 set_host_byte(cmd, DID_ABORT); 2942 return 1; 2943 } 2944 2945 /* check appl tag */ 2946 if (e_app_tag != a_app_tag) { 2947 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2); 2948 set_host_byte(cmd, DID_ABORT); 2949 return 1; 2950 } 2951 2952 return 1; 2953 } 2954 2955 static void 2956 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2957 struct req_que *req, uint32_t index) 2958 { 2959 struct qla_hw_data *ha = vha->hw; 2960 srb_t *sp; 2961 uint16_t comp_status; 2962 uint16_t scsi_status; 2963 uint16_t thread_id; 2964 uint32_t rval = EXT_STATUS_OK; 2965 struct bsg_job *bsg_job = NULL; 2966 struct fc_bsg_request *bsg_request; 2967 struct fc_bsg_reply *bsg_reply; 2968 sts_entry_t *sts = pkt; 2969 struct sts_entry_24xx *sts24 = pkt; 2970 2971 /* Validate handle. */ 2972 if (index >= req->num_outstanding_cmds) { 2973 ql_log(ql_log_warn, vha, 0x70af, 2974 "Invalid SCSI completion handle 0x%x.\n", index); 2975 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2976 return; 2977 } 2978 2979 sp = req->outstanding_cmds[index]; 2980 if (!sp) { 2981 ql_log(ql_log_warn, vha, 0x70b0, 2982 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2983 req->id, index); 2984 2985 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2986 return; 2987 } 2988 2989 /* Free outstanding command slot. */ 2990 req->outstanding_cmds[index] = NULL; 2991 bsg_job = sp->u.bsg_job; 2992 bsg_request = bsg_job->request; 2993 bsg_reply = bsg_job->reply; 2994 2995 if (IS_FWI2_CAPABLE(ha)) { 2996 comp_status = le16_to_cpu(sts24->comp_status); 2997 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2998 } else { 2999 comp_status = le16_to_cpu(sts->comp_status); 3000 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 3001 } 3002 3003 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 3004 switch (comp_status) { 3005 case CS_COMPLETE: 3006 if (scsi_status == 0) { 3007 bsg_reply->reply_payload_rcv_len = 3008 bsg_job->reply_payload.payload_len; 3009 vha->qla_stats.input_bytes += 3010 bsg_reply->reply_payload_rcv_len; 3011 vha->qla_stats.input_requests++; 3012 rval = EXT_STATUS_OK; 3013 } 3014 goto done; 3015 3016 case CS_DATA_OVERRUN: 3017 ql_dbg(ql_dbg_user, vha, 0x70b1, 3018 "Command completed with data overrun thread_id=%d\n", 3019 thread_id); 3020 rval = EXT_STATUS_DATA_OVERRUN; 3021 break; 3022 3023 case CS_DATA_UNDERRUN: 3024 ql_dbg(ql_dbg_user, vha, 0x70b2, 3025 "Command completed with data underrun thread_id=%d\n", 3026 thread_id); 3027 rval = EXT_STATUS_DATA_UNDERRUN; 3028 break; 3029 case CS_BIDIR_RD_OVERRUN: 3030 ql_dbg(ql_dbg_user, vha, 0x70b3, 3031 "Command completed with read data overrun thread_id=%d\n", 3032 thread_id); 3033 rval = EXT_STATUS_DATA_OVERRUN; 3034 break; 3035 3036 case CS_BIDIR_RD_WR_OVERRUN: 3037 ql_dbg(ql_dbg_user, vha, 0x70b4, 3038 "Command completed with read and write data overrun " 3039 "thread_id=%d\n", thread_id); 3040 rval = EXT_STATUS_DATA_OVERRUN; 3041 break; 3042 3043 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 3044 ql_dbg(ql_dbg_user, vha, 0x70b5, 3045 "Command completed with read data over and write data " 3046 "underrun thread_id=%d\n", thread_id); 3047 rval = EXT_STATUS_DATA_OVERRUN; 3048 break; 3049 3050 case CS_BIDIR_RD_UNDERRUN: 3051 ql_dbg(ql_dbg_user, vha, 0x70b6, 3052 "Command completed with read data underrun " 3053 "thread_id=%d\n", thread_id); 3054 rval = EXT_STATUS_DATA_UNDERRUN; 3055 break; 3056 3057 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 3058 ql_dbg(ql_dbg_user, vha, 0x70b7, 3059 "Command completed with read data under and write data " 3060 "overrun thread_id=%d\n", thread_id); 3061 rval = EXT_STATUS_DATA_UNDERRUN; 3062 break; 3063 3064 case CS_BIDIR_RD_WR_UNDERRUN: 3065 ql_dbg(ql_dbg_user, vha, 0x70b8, 3066 "Command completed with read and write data underrun " 3067 "thread_id=%d\n", thread_id); 3068 rval = EXT_STATUS_DATA_UNDERRUN; 3069 break; 3070 3071 case CS_BIDIR_DMA: 3072 ql_dbg(ql_dbg_user, vha, 0x70b9, 3073 "Command completed with data DMA error thread_id=%d\n", 3074 thread_id); 3075 rval = EXT_STATUS_DMA_ERR; 3076 break; 3077 3078 case CS_TIMEOUT: 3079 ql_dbg(ql_dbg_user, vha, 0x70ba, 3080 "Command completed with timeout thread_id=%d\n", 3081 thread_id); 3082 rval = EXT_STATUS_TIMEOUT; 3083 break; 3084 default: 3085 ql_dbg(ql_dbg_user, vha, 0x70bb, 3086 "Command completed with completion status=0x%x " 3087 "thread_id=%d\n", comp_status, thread_id); 3088 rval = EXT_STATUS_ERR; 3089 break; 3090 } 3091 bsg_reply->reply_payload_rcv_len = 0; 3092 3093 done: 3094 /* Return the vendor specific reply to API */ 3095 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 3096 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 3097 /* Always return DID_OK, bsg will send the vendor specific response 3098 * in this case only */ 3099 sp->done(sp, DID_OK << 16); 3100 3101 } 3102 3103 /** 3104 * qla2x00_status_entry() - Process a Status IOCB entry. 3105 * @vha: SCSI driver HA context 3106 * @rsp: response queue 3107 * @pkt: Entry pointer 3108 */ 3109 static void 3110 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 3111 { 3112 srb_t *sp; 3113 fc_port_t *fcport; 3114 struct scsi_cmnd *cp; 3115 sts_entry_t *sts = pkt; 3116 struct sts_entry_24xx *sts24 = pkt; 3117 uint16_t comp_status; 3118 uint16_t scsi_status; 3119 uint16_t ox_id; 3120 uint8_t lscsi_status; 3121 int32_t resid; 3122 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 3123 fw_resid_len; 3124 uint8_t *rsp_info, *sense_data; 3125 struct qla_hw_data *ha = vha->hw; 3126 uint32_t handle; 3127 uint16_t que; 3128 struct req_que *req; 3129 int logit = 1; 3130 int res = 0; 3131 uint16_t state_flags = 0; 3132 uint16_t sts_qual = 0; 3133 3134 if (IS_FWI2_CAPABLE(ha)) { 3135 comp_status = le16_to_cpu(sts24->comp_status); 3136 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 3137 state_flags = le16_to_cpu(sts24->state_flags); 3138 } else { 3139 comp_status = le16_to_cpu(sts->comp_status); 3140 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 3141 } 3142 handle = (uint32_t) LSW(sts->handle); 3143 que = MSW(sts->handle); 3144 req = ha->req_q_map[que]; 3145 3146 /* Check for invalid queue pointer */ 3147 if (req == NULL || 3148 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 3149 ql_dbg(ql_dbg_io, vha, 0x3059, 3150 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 3151 "que=%u.\n", sts->handle, req, que); 3152 return; 3153 } 3154 3155 /* Validate handle. */ 3156 if (handle < req->num_outstanding_cmds) { 3157 sp = req->outstanding_cmds[handle]; 3158 if (!sp) { 3159 ql_dbg(ql_dbg_io, vha, 0x3075, 3160 "%s(%ld): Already returned command for status handle (0x%x).\n", 3161 __func__, vha->host_no, sts->handle); 3162 return; 3163 } 3164 } else { 3165 ql_dbg(ql_dbg_io, vha, 0x3017, 3166 "Invalid status handle, out of range (0x%x).\n", 3167 sts->handle); 3168 3169 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 3170 if (IS_P3P_TYPE(ha)) 3171 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 3172 else 3173 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3174 qla2xxx_wake_dpc(vha); 3175 } 3176 return; 3177 } 3178 qla_put_iocbs(sp->qpair, &sp->iores); 3179 3180 if (sp->cmd_type != TYPE_SRB) { 3181 req->outstanding_cmds[handle] = NULL; 3182 ql_dbg(ql_dbg_io, vha, 0x3015, 3183 "Unknown sp->cmd_type %x %p).\n", 3184 sp->cmd_type, sp); 3185 return; 3186 } 3187 3188 /* NVME completion. */ 3189 if (sp->type == SRB_NVME_CMD) { 3190 req->outstanding_cmds[handle] = NULL; 3191 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 3192 return; 3193 } 3194 3195 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 3196 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 3197 return; 3198 } 3199 3200 /* Task Management completion. */ 3201 if (sp->type == SRB_TM_CMD) { 3202 qla24xx_tm_iocb_entry(vha, req, pkt); 3203 return; 3204 } 3205 3206 /* Fast path completion. */ 3207 qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24); 3208 sp->qpair->cmd_completion_cnt++; 3209 3210 if (comp_status == CS_COMPLETE && scsi_status == 0) { 3211 qla2x00_process_completed_request(vha, req, handle); 3212 3213 return; 3214 } 3215 3216 req->outstanding_cmds[handle] = NULL; 3217 cp = GET_CMD_SP(sp); 3218 if (cp == NULL) { 3219 ql_dbg(ql_dbg_io, vha, 0x3018, 3220 "Command already returned (0x%x/%p).\n", 3221 sts->handle, sp); 3222 3223 return; 3224 } 3225 3226 lscsi_status = scsi_status & STATUS_MASK; 3227 3228 fcport = sp->fcport; 3229 3230 ox_id = 0; 3231 sense_len = par_sense_len = rsp_info_len = resid_len = 3232 fw_resid_len = 0; 3233 if (IS_FWI2_CAPABLE(ha)) { 3234 if (scsi_status & SS_SENSE_LEN_VALID) 3235 sense_len = le32_to_cpu(sts24->sense_len); 3236 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 3237 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 3238 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 3239 resid_len = le32_to_cpu(sts24->rsp_residual_count); 3240 if (comp_status == CS_DATA_UNDERRUN) 3241 fw_resid_len = le32_to_cpu(sts24->residual_len); 3242 rsp_info = sts24->data; 3243 sense_data = sts24->data; 3244 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 3245 ox_id = le16_to_cpu(sts24->ox_id); 3246 par_sense_len = sizeof(sts24->data); 3247 sts_qual = le16_to_cpu(sts24->status_qualifier); 3248 } else { 3249 if (scsi_status & SS_SENSE_LEN_VALID) 3250 sense_len = le16_to_cpu(sts->req_sense_length); 3251 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 3252 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 3253 resid_len = le32_to_cpu(sts->residual_length); 3254 rsp_info = sts->rsp_info; 3255 sense_data = sts->req_sense_data; 3256 par_sense_len = sizeof(sts->req_sense_data); 3257 } 3258 3259 /* Check for any FCP transport errors. */ 3260 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 3261 /* Sense data lies beyond any FCP RESPONSE data. */ 3262 if (IS_FWI2_CAPABLE(ha)) { 3263 sense_data += rsp_info_len; 3264 par_sense_len -= rsp_info_len; 3265 } 3266 if (rsp_info_len > 3 && rsp_info[3]) { 3267 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 3268 "FCP I/O protocol failure (0x%x/0x%x).\n", 3269 rsp_info_len, rsp_info[3]); 3270 3271 res = DID_BUS_BUSY << 16; 3272 goto out; 3273 } 3274 } 3275 3276 /* Check for overrun. */ 3277 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 3278 scsi_status & SS_RESIDUAL_OVER) 3279 comp_status = CS_DATA_OVERRUN; 3280 3281 /* 3282 * Check retry_delay_timer value if we receive a busy or 3283 * queue full. 3284 */ 3285 if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL || 3286 lscsi_status == SAM_STAT_BUSY)) 3287 qla2x00_set_retry_delay_timestamp(fcport, sts_qual); 3288 3289 /* 3290 * Based on Host and scsi status generate status code for Linux 3291 */ 3292 switch (comp_status) { 3293 case CS_COMPLETE: 3294 case CS_QUEUE_FULL: 3295 if (scsi_status == 0) { 3296 res = DID_OK << 16; 3297 break; 3298 } 3299 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 3300 resid = resid_len; 3301 scsi_set_resid(cp, resid); 3302 3303 if (!lscsi_status && 3304 ((unsigned)(scsi_bufflen(cp) - resid) < 3305 cp->underflow)) { 3306 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 3307 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 3308 resid, scsi_bufflen(cp)); 3309 3310 res = DID_ERROR << 16; 3311 break; 3312 } 3313 } 3314 res = DID_OK << 16 | lscsi_status; 3315 3316 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 3317 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 3318 "QUEUE FULL detected.\n"); 3319 break; 3320 } 3321 logit = 0; 3322 if (lscsi_status != SS_CHECK_CONDITION) 3323 break; 3324 3325 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 3326 if (!(scsi_status & SS_SENSE_LEN_VALID)) 3327 break; 3328 3329 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 3330 rsp, res); 3331 break; 3332 3333 case CS_DATA_UNDERRUN: 3334 /* Use F/W calculated residual length. */ 3335 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 3336 scsi_set_resid(cp, resid); 3337 if (scsi_status & SS_RESIDUAL_UNDER) { 3338 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 3339 ql_log(ql_log_warn, fcport->vha, 0x301d, 3340 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 3341 resid, scsi_bufflen(cp)); 3342 3343 vha->interface_err_cnt++; 3344 3345 res = DID_ERROR << 16 | lscsi_status; 3346 goto check_scsi_status; 3347 } 3348 3349 if (!lscsi_status && 3350 ((unsigned)(scsi_bufflen(cp) - resid) < 3351 cp->underflow)) { 3352 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 3353 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 3354 resid, scsi_bufflen(cp)); 3355 3356 res = DID_ERROR << 16; 3357 break; 3358 } 3359 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 3360 lscsi_status != SAM_STAT_BUSY) { 3361 /* 3362 * scsi status of task set and busy are considered to be 3363 * task not completed. 3364 */ 3365 3366 ql_log(ql_log_warn, fcport->vha, 0x301f, 3367 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 3368 resid, scsi_bufflen(cp)); 3369 3370 vha->interface_err_cnt++; 3371 3372 res = DID_ERROR << 16 | lscsi_status; 3373 goto check_scsi_status; 3374 } else { 3375 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 3376 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 3377 scsi_status, lscsi_status); 3378 } 3379 3380 res = DID_OK << 16 | lscsi_status; 3381 logit = 0; 3382 3383 check_scsi_status: 3384 /* 3385 * Check to see if SCSI Status is non zero. If so report SCSI 3386 * Status. 3387 */ 3388 if (lscsi_status != 0) { 3389 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 3390 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 3391 "QUEUE FULL detected.\n"); 3392 logit = 1; 3393 break; 3394 } 3395 if (lscsi_status != SS_CHECK_CONDITION) 3396 break; 3397 3398 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 3399 if (!(scsi_status & SS_SENSE_LEN_VALID)) 3400 break; 3401 3402 qla2x00_handle_sense(sp, sense_data, par_sense_len, 3403 sense_len, rsp, res); 3404 } 3405 break; 3406 3407 case CS_PORT_LOGGED_OUT: 3408 case CS_PORT_CONFIG_CHG: 3409 case CS_PORT_BUSY: 3410 case CS_INCOMPLETE: 3411 case CS_PORT_UNAVAILABLE: 3412 case CS_TIMEOUT: 3413 case CS_RESET: 3414 3415 /* 3416 * We are going to have the fc class block the rport 3417 * while we try to recover so instruct the mid layer 3418 * to requeue until the class decides how to handle this. 3419 */ 3420 res = DID_TRANSPORT_DISRUPTED << 16; 3421 3422 if (comp_status == CS_TIMEOUT) { 3423 if (IS_FWI2_CAPABLE(ha)) 3424 break; 3425 else if ((le16_to_cpu(sts->status_flags) & 3426 SF_LOGOUT_SENT) == 0) 3427 break; 3428 } 3429 3430 if (atomic_read(&fcport->state) == FCS_ONLINE) { 3431 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 3432 "Port to be marked lost on fcport=%02x%02x%02x, current " 3433 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 3434 fcport->d_id.b.area, fcport->d_id.b.al_pa, 3435 port_state_str[FCS_ONLINE], 3436 comp_status); 3437 3438 qlt_schedule_sess_for_deletion(fcport); 3439 } 3440 3441 break; 3442 3443 case CS_ABORTED: 3444 res = DID_RESET << 16; 3445 break; 3446 3447 case CS_DIF_ERROR: 3448 logit = qla2x00_handle_dif_error(sp, sts24); 3449 res = cp->result; 3450 break; 3451 3452 case CS_TRANSPORT: 3453 res = DID_ERROR << 16; 3454 vha->hw_err_cnt++; 3455 3456 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 3457 break; 3458 3459 if (state_flags & BIT_4) 3460 scmd_printk(KERN_WARNING, cp, 3461 "Unsupported device '%s' found.\n", 3462 cp->device->vendor); 3463 break; 3464 3465 case CS_DMA: 3466 ql_log(ql_log_info, fcport->vha, 0x3022, 3467 "CS_DMA error: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%06x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 3468 comp_status, scsi_status, res, vha->host_no, 3469 cp->device->id, cp->device->lun, fcport->d_id.b24, 3470 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 3471 resid_len, fw_resid_len, sp, cp); 3472 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 3473 pkt, sizeof(*sts24)); 3474 res = DID_ERROR << 16; 3475 vha->hw_err_cnt++; 3476 break; 3477 default: 3478 res = DID_ERROR << 16; 3479 break; 3480 } 3481 3482 out: 3483 if (logit) 3484 ql_log(ql_log_warn, fcport->vha, 0x3022, 3485 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 3486 comp_status, scsi_status, res, vha->host_no, 3487 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 3488 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 3489 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 3490 resid_len, fw_resid_len, sp, cp); 3491 3492 if (rsp->status_srb == NULL) 3493 sp->done(sp, res); 3494 } 3495 3496 /** 3497 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 3498 * @rsp: response queue 3499 * @pkt: Entry pointer 3500 * 3501 * Extended sense data. 3502 */ 3503 static void 3504 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 3505 { 3506 uint8_t sense_sz = 0; 3507 struct qla_hw_data *ha = rsp->hw; 3508 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 3509 srb_t *sp = rsp->status_srb; 3510 struct scsi_cmnd *cp; 3511 uint32_t sense_len; 3512 uint8_t *sense_ptr; 3513 3514 if (!sp || !GET_CMD_SENSE_LEN(sp)) 3515 return; 3516 3517 sense_len = GET_CMD_SENSE_LEN(sp); 3518 sense_ptr = GET_CMD_SENSE_PTR(sp); 3519 3520 cp = GET_CMD_SP(sp); 3521 if (cp == NULL) { 3522 ql_log(ql_log_warn, vha, 0x3025, 3523 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 3524 3525 rsp->status_srb = NULL; 3526 return; 3527 } 3528 3529 if (sense_len > sizeof(pkt->data)) 3530 sense_sz = sizeof(pkt->data); 3531 else 3532 sense_sz = sense_len; 3533 3534 /* Move sense data. */ 3535 if (IS_FWI2_CAPABLE(ha)) 3536 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 3537 memcpy(sense_ptr, pkt->data, sense_sz); 3538 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 3539 sense_ptr, sense_sz); 3540 3541 sense_len -= sense_sz; 3542 sense_ptr += sense_sz; 3543 3544 SET_CMD_SENSE_PTR(sp, sense_ptr); 3545 SET_CMD_SENSE_LEN(sp, sense_len); 3546 3547 /* Place command on done queue. */ 3548 if (sense_len == 0) { 3549 rsp->status_srb = NULL; 3550 sp->done(sp, cp->result); 3551 } 3552 } 3553 3554 /** 3555 * qla2x00_error_entry() - Process an error entry. 3556 * @vha: SCSI driver HA context 3557 * @rsp: response queue 3558 * @pkt: Entry pointer 3559 * return : 1=allow further error analysis. 0=no additional error analysis. 3560 */ 3561 static int 3562 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 3563 { 3564 srb_t *sp; 3565 struct qla_hw_data *ha = vha->hw; 3566 const char func[] = "ERROR-IOCB"; 3567 uint16_t que = MSW(pkt->handle); 3568 struct req_que *req = NULL; 3569 int res = DID_ERROR << 16; 3570 3571 ql_dbg(ql_dbg_async, vha, 0x502a, 3572 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 3573 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 3574 3575 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 3576 goto fatal; 3577 3578 req = ha->req_q_map[que]; 3579 3580 if (pkt->entry_status & RF_BUSY) 3581 res = DID_BUS_BUSY << 16; 3582 3583 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 3584 return 0; 3585 3586 switch (pkt->entry_type) { 3587 case NOTIFY_ACK_TYPE: 3588 case STATUS_TYPE: 3589 case STATUS_CONT_TYPE: 3590 case LOGINOUT_PORT_IOCB_TYPE: 3591 case CT_IOCB_TYPE: 3592 case ELS_IOCB_TYPE: 3593 case ABORT_IOCB_TYPE: 3594 case MBX_IOCB_TYPE: 3595 default: 3596 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3597 if (sp) { 3598 qla_put_iocbs(sp->qpair, &sp->iores); 3599 sp->done(sp, res); 3600 return 0; 3601 } 3602 break; 3603 3604 case SA_UPDATE_IOCB_TYPE: 3605 case ABTS_RESP_24XX: 3606 case CTIO_TYPE7: 3607 case CTIO_CRC2: 3608 return 1; 3609 } 3610 fatal: 3611 ql_log(ql_log_warn, vha, 0x5030, 3612 "Error entry - invalid handle/queue (%04x).\n", que); 3613 return 0; 3614 } 3615 3616 /** 3617 * qla24xx_mbx_completion() - Process mailbox command completions. 3618 * @vha: SCSI driver HA context 3619 * @mb0: Mailbox0 register 3620 */ 3621 static void 3622 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 3623 { 3624 uint16_t cnt; 3625 uint32_t mboxes; 3626 __le16 __iomem *wptr; 3627 struct qla_hw_data *ha = vha->hw; 3628 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3629 3630 /* Read all mbox registers? */ 3631 WARN_ON_ONCE(ha->mbx_count > 32); 3632 mboxes = (1ULL << ha->mbx_count) - 1; 3633 if (!ha->mcp) 3634 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 3635 else 3636 mboxes = ha->mcp->in_mb; 3637 3638 /* Load return mailbox registers. */ 3639 ha->flags.mbox_int = 1; 3640 ha->mailbox_out[0] = mb0; 3641 mboxes >>= 1; 3642 wptr = ®->mailbox1; 3643 3644 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 3645 if (mboxes & BIT_0) 3646 ha->mailbox_out[cnt] = rd_reg_word(wptr); 3647 3648 mboxes >>= 1; 3649 wptr++; 3650 } 3651 } 3652 3653 static void 3654 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 3655 struct abort_entry_24xx *pkt) 3656 { 3657 const char func[] = "ABT_IOCB"; 3658 srb_t *sp; 3659 srb_t *orig_sp = NULL; 3660 struct srb_iocb *abt; 3661 3662 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3663 if (!sp) 3664 return; 3665 3666 abt = &sp->u.iocb_cmd; 3667 abt->u.abt.comp_status = pkt->comp_status; 3668 orig_sp = sp->cmd_sp; 3669 /* Need to pass original sp */ 3670 if (orig_sp) 3671 qla_nvme_abort_process_comp_status(pkt, orig_sp); 3672 3673 sp->done(sp, 0); 3674 } 3675 3676 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 3677 struct pt_ls4_request *pkt, struct req_que *req) 3678 { 3679 srb_t *sp; 3680 const char func[] = "LS4_IOCB"; 3681 uint16_t comp_status; 3682 3683 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3684 if (!sp) 3685 return; 3686 3687 comp_status = le16_to_cpu(pkt->status); 3688 sp->done(sp, comp_status); 3689 } 3690 3691 /** 3692 * qla_chk_cont_iocb_avail - check for all continuation iocbs are available 3693 * before iocb processing can start. 3694 * @vha: host adapter pointer 3695 * @rsp: respond queue 3696 * @pkt: head iocb describing how many continuation iocb 3697 * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived. 3698 */ 3699 static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha, 3700 struct rsp_que *rsp, response_t *pkt) 3701 { 3702 int start_pkt_ring_index, end_pkt_ring_index, n_ring_index; 3703 response_t *end_pkt; 3704 int rc = 0; 3705 u32 rsp_q_in; 3706 3707 if (pkt->entry_count == 1) 3708 return rc; 3709 3710 /* ring_index was pre-increment. set it back to current pkt */ 3711 if (rsp->ring_index == 0) 3712 start_pkt_ring_index = rsp->length - 1; 3713 else 3714 start_pkt_ring_index = rsp->ring_index - 1; 3715 3716 if ((start_pkt_ring_index + pkt->entry_count) >= rsp->length) 3717 end_pkt_ring_index = start_pkt_ring_index + pkt->entry_count - 3718 rsp->length - 1; 3719 else 3720 end_pkt_ring_index = start_pkt_ring_index + pkt->entry_count - 1; 3721 3722 end_pkt = rsp->ring + end_pkt_ring_index; 3723 3724 /* next pkt = end_pkt + 1 */ 3725 n_ring_index = end_pkt_ring_index + 1; 3726 if (n_ring_index >= rsp->length) 3727 n_ring_index = 0; 3728 3729 rsp_q_in = rsp->qpair->use_shadow_reg ? *rsp->in_ptr : 3730 rd_reg_dword(rsp->rsp_q_in); 3731 3732 /* rsp_q_in is either wrapped or pointing beyond endpkt */ 3733 if ((rsp_q_in < start_pkt_ring_index && rsp_q_in < n_ring_index) || 3734 rsp_q_in >= n_ring_index) 3735 /* all IOCBs arrived. */ 3736 rc = 0; 3737 else 3738 rc = -EIO; 3739 3740 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x5091, 3741 "%s - ring %p pkt %p end pkt %p entry count %#x rsp_q_in %d rc %d\n", 3742 __func__, rsp->ring, pkt, end_pkt, pkt->entry_count, 3743 rsp_q_in, rc); 3744 3745 return rc; 3746 } 3747 3748 /** 3749 * qla24xx_process_response_queue() - Process response queue entries. 3750 * @vha: SCSI driver HA context 3751 * @rsp: response queue 3752 */ 3753 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 3754 struct rsp_que *rsp) 3755 { 3756 struct sts_entry_24xx *pkt; 3757 struct qla_hw_data *ha = vha->hw; 3758 struct purex_entry_24xx *purex_entry; 3759 struct purex_item *pure_item; 3760 3761 if (!ha->flags.fw_started) 3762 return; 3763 3764 if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) { 3765 rsp->qpair->rcv_intr = 1; 3766 qla_cpu_update(rsp->qpair, smp_processor_id()); 3767 } 3768 3769 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 3770 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 3771 3772 rsp->ring_index++; 3773 if (rsp->ring_index == rsp->length) { 3774 rsp->ring_index = 0; 3775 rsp->ring_ptr = rsp->ring; 3776 } else { 3777 rsp->ring_ptr++; 3778 } 3779 3780 if (pkt->entry_status != 0) { 3781 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 3782 goto process_err; 3783 3784 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3785 wmb(); 3786 continue; 3787 } 3788 process_err: 3789 3790 switch (pkt->entry_type) { 3791 case STATUS_TYPE: 3792 qla2x00_status_entry(vha, rsp, pkt); 3793 break; 3794 case STATUS_CONT_TYPE: 3795 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 3796 break; 3797 case VP_RPT_ID_IOCB_TYPE: 3798 qla24xx_report_id_acquisition(vha, 3799 (struct vp_rpt_id_entry_24xx *)pkt); 3800 break; 3801 case LOGINOUT_PORT_IOCB_TYPE: 3802 qla24xx_logio_entry(vha, rsp->req, 3803 (struct logio_entry_24xx *)pkt); 3804 break; 3805 case CT_IOCB_TYPE: 3806 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 3807 break; 3808 case ELS_IOCB_TYPE: 3809 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 3810 break; 3811 case ABTS_RECV_24XX: 3812 if (qla_ini_mode_enabled(vha)) { 3813 pure_item = qla24xx_copy_std_pkt(vha, pkt); 3814 if (!pure_item) 3815 break; 3816 qla24xx_queue_purex_item(vha, pure_item, 3817 qla24xx_process_abts); 3818 break; 3819 } 3820 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || 3821 IS_QLA28XX(ha)) { 3822 /* ensure that the ATIO queue is empty */ 3823 qlt_handle_abts_recv(vha, rsp, 3824 (response_t *)pkt); 3825 break; 3826 } else { 3827 qlt_24xx_process_atio_queue(vha, 1); 3828 } 3829 fallthrough; 3830 case ABTS_RESP_24XX: 3831 case CTIO_TYPE7: 3832 case CTIO_CRC2: 3833 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3834 break; 3835 case PT_LS4_REQUEST: 3836 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3837 rsp->req); 3838 break; 3839 case NOTIFY_ACK_TYPE: 3840 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3841 qlt_response_pkt_all_vps(vha, rsp, 3842 (response_t *)pkt); 3843 else 3844 qla24xxx_nack_iocb_entry(vha, rsp->req, 3845 (struct nack_to_isp *)pkt); 3846 break; 3847 case MARKER_TYPE: 3848 /* Do nothing in this case, this check is to prevent it 3849 * from falling into default case 3850 */ 3851 break; 3852 case ABORT_IOCB_TYPE: 3853 qla24xx_abort_iocb_entry(vha, rsp->req, 3854 (struct abort_entry_24xx *)pkt); 3855 break; 3856 case MBX_IOCB_TYPE: 3857 qla24xx_mbx_iocb_entry(vha, rsp->req, 3858 (struct mbx_24xx_entry *)pkt); 3859 break; 3860 case VP_CTRL_IOCB_TYPE: 3861 qla_ctrlvp_completed(vha, rsp->req, 3862 (struct vp_ctrl_entry_24xx *)pkt); 3863 break; 3864 case PUREX_IOCB_TYPE: 3865 purex_entry = (void *)pkt; 3866 switch (purex_entry->els_frame_payload[3]) { 3867 case ELS_RDP: 3868 pure_item = qla24xx_copy_std_pkt(vha, pkt); 3869 if (!pure_item) 3870 break; 3871 qla24xx_queue_purex_item(vha, pure_item, 3872 qla24xx_process_purex_rdp); 3873 break; 3874 case ELS_FPIN: 3875 if (!vha->hw->flags.scm_enabled) { 3876 ql_log(ql_log_warn, vha, 0x5094, 3877 "SCM not active for this port\n"); 3878 break; 3879 } 3880 pure_item = qla27xx_copy_fpin_pkt(vha, 3881 (void **)&pkt, &rsp); 3882 if (!pure_item) 3883 break; 3884 qla24xx_queue_purex_item(vha, pure_item, 3885 qla27xx_process_purex_fpin); 3886 break; 3887 3888 case ELS_AUTH_ELS: 3889 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt)) { 3890 ql_dbg(ql_dbg_init, vha, 0x5091, 3891 "Defer processing ELS opcode %#x...\n", 3892 purex_entry->els_frame_payload[3]); 3893 return; 3894 } 3895 qla24xx_auth_els(vha, (void **)&pkt, &rsp); 3896 break; 3897 default: 3898 ql_log(ql_log_warn, vha, 0x509c, 3899 "Discarding ELS Request opcode 0x%x\n", 3900 purex_entry->els_frame_payload[3]); 3901 } 3902 break; 3903 case SA_UPDATE_IOCB_TYPE: 3904 qla28xx_sa_update_iocb_entry(vha, rsp->req, 3905 (struct sa_update_28xx *)pkt); 3906 break; 3907 3908 default: 3909 /* Type Not Supported. */ 3910 ql_dbg(ql_dbg_async, vha, 0x5042, 3911 "Received unknown response pkt type 0x%x entry status=%x.\n", 3912 pkt->entry_type, pkt->entry_status); 3913 break; 3914 } 3915 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3916 wmb(); 3917 } 3918 3919 /* Adjust ring index */ 3920 if (IS_P3P_TYPE(ha)) { 3921 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3922 3923 wrt_reg_dword(®->rsp_q_out[0], rsp->ring_index); 3924 } else { 3925 wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index); 3926 } 3927 } 3928 3929 static void 3930 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3931 { 3932 int rval; 3933 uint32_t cnt; 3934 struct qla_hw_data *ha = vha->hw; 3935 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3936 3937 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3938 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3939 return; 3940 3941 rval = QLA_SUCCESS; 3942 wrt_reg_dword(®->iobase_addr, 0x7C00); 3943 rd_reg_dword(®->iobase_addr); 3944 wrt_reg_dword(®->iobase_window, 0x0001); 3945 for (cnt = 10000; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && 3946 rval == QLA_SUCCESS; cnt--) { 3947 if (cnt) { 3948 wrt_reg_dword(®->iobase_window, 0x0001); 3949 udelay(10); 3950 } else 3951 rval = QLA_FUNCTION_TIMEOUT; 3952 } 3953 if (rval == QLA_SUCCESS) 3954 goto next_test; 3955 3956 rval = QLA_SUCCESS; 3957 wrt_reg_dword(®->iobase_window, 0x0003); 3958 for (cnt = 100; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && 3959 rval == QLA_SUCCESS; cnt--) { 3960 if (cnt) { 3961 wrt_reg_dword(®->iobase_window, 0x0003); 3962 udelay(10); 3963 } else 3964 rval = QLA_FUNCTION_TIMEOUT; 3965 } 3966 if (rval != QLA_SUCCESS) 3967 goto done; 3968 3969 next_test: 3970 if (rd_reg_dword(®->iobase_c8) & BIT_3) 3971 ql_log(ql_log_info, vha, 0x504c, 3972 "Additional code -- 0x55AA.\n"); 3973 3974 done: 3975 wrt_reg_dword(®->iobase_window, 0x0000); 3976 rd_reg_dword(®->iobase_window); 3977 } 3978 3979 /** 3980 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3981 * @irq: interrupt number 3982 * @dev_id: SCSI driver HA context 3983 * 3984 * Called by system whenever the host adapter generates an interrupt. 3985 * 3986 * Returns handled flag. 3987 */ 3988 irqreturn_t 3989 qla24xx_intr_handler(int irq, void *dev_id) 3990 { 3991 scsi_qla_host_t *vha; 3992 struct qla_hw_data *ha; 3993 struct device_reg_24xx __iomem *reg; 3994 int status; 3995 unsigned long iter; 3996 uint32_t stat; 3997 uint32_t hccr; 3998 uint16_t mb[8]; 3999 struct rsp_que *rsp; 4000 unsigned long flags; 4001 bool process_atio = false; 4002 4003 rsp = (struct rsp_que *) dev_id; 4004 if (!rsp) { 4005 ql_log(ql_log_info, NULL, 0x5059, 4006 "%s: NULL response queue pointer.\n", __func__); 4007 return IRQ_NONE; 4008 } 4009 4010 ha = rsp->hw; 4011 reg = &ha->iobase->isp24; 4012 status = 0; 4013 4014 if (unlikely(pci_channel_offline(ha->pdev))) 4015 return IRQ_HANDLED; 4016 4017 spin_lock_irqsave(&ha->hardware_lock, flags); 4018 vha = pci_get_drvdata(ha->pdev); 4019 for (iter = 50; iter--; ) { 4020 stat = rd_reg_dword(®->host_status); 4021 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 4022 break; 4023 if (stat & HSRX_RISC_PAUSED) { 4024 if (unlikely(pci_channel_offline(ha->pdev))) 4025 break; 4026 4027 hccr = rd_reg_dword(®->hccr); 4028 4029 ql_log(ql_log_warn, vha, 0x504b, 4030 "RISC paused -- HCCR=%x, Dumping firmware.\n", 4031 hccr); 4032 4033 qla2xxx_check_risc_status(vha); 4034 4035 ha->isp_ops->fw_dump(vha); 4036 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 4037 break; 4038 } else if ((stat & HSRX_RISC_INT) == 0) 4039 break; 4040 4041 switch (stat & 0xff) { 4042 case INTR_ROM_MB_SUCCESS: 4043 case INTR_ROM_MB_FAILED: 4044 case INTR_MB_SUCCESS: 4045 case INTR_MB_FAILED: 4046 qla24xx_mbx_completion(vha, MSW(stat)); 4047 status |= MBX_INTERRUPT; 4048 4049 break; 4050 case INTR_ASYNC_EVENT: 4051 mb[0] = MSW(stat); 4052 mb[1] = rd_reg_word(®->mailbox1); 4053 mb[2] = rd_reg_word(®->mailbox2); 4054 mb[3] = rd_reg_word(®->mailbox3); 4055 qla2x00_async_event(vha, rsp, mb); 4056 break; 4057 case INTR_RSP_QUE_UPDATE: 4058 case INTR_RSP_QUE_UPDATE_83XX: 4059 qla24xx_process_response_queue(vha, rsp); 4060 break; 4061 case INTR_ATIO_QUE_UPDATE_27XX: 4062 case INTR_ATIO_QUE_UPDATE: 4063 process_atio = true; 4064 break; 4065 case INTR_ATIO_RSP_QUE_UPDATE: 4066 process_atio = true; 4067 qla24xx_process_response_queue(vha, rsp); 4068 break; 4069 default: 4070 ql_dbg(ql_dbg_async, vha, 0x504f, 4071 "Unrecognized interrupt type (%d).\n", stat * 0xff); 4072 break; 4073 } 4074 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4075 rd_reg_dword_relaxed(®->hccr); 4076 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 4077 ndelay(3500); 4078 } 4079 qla2x00_handle_mbx_completion(ha, status); 4080 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4081 4082 if (process_atio) { 4083 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 4084 qlt_24xx_process_atio_queue(vha, 0); 4085 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 4086 } 4087 4088 return IRQ_HANDLED; 4089 } 4090 4091 static irqreturn_t 4092 qla24xx_msix_rsp_q(int irq, void *dev_id) 4093 { 4094 struct qla_hw_data *ha; 4095 struct rsp_que *rsp; 4096 struct device_reg_24xx __iomem *reg; 4097 struct scsi_qla_host *vha; 4098 unsigned long flags; 4099 4100 rsp = (struct rsp_que *) dev_id; 4101 if (!rsp) { 4102 ql_log(ql_log_info, NULL, 0x505a, 4103 "%s: NULL response queue pointer.\n", __func__); 4104 return IRQ_NONE; 4105 } 4106 ha = rsp->hw; 4107 reg = &ha->iobase->isp24; 4108 4109 spin_lock_irqsave(&ha->hardware_lock, flags); 4110 4111 vha = pci_get_drvdata(ha->pdev); 4112 qla24xx_process_response_queue(vha, rsp); 4113 if (!ha->flags.disable_msix_handshake) { 4114 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4115 rd_reg_dword_relaxed(®->hccr); 4116 } 4117 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4118 4119 return IRQ_HANDLED; 4120 } 4121 4122 static irqreturn_t 4123 qla24xx_msix_default(int irq, void *dev_id) 4124 { 4125 scsi_qla_host_t *vha; 4126 struct qla_hw_data *ha; 4127 struct rsp_que *rsp; 4128 struct device_reg_24xx __iomem *reg; 4129 int status; 4130 uint32_t stat; 4131 uint32_t hccr; 4132 uint16_t mb[8]; 4133 unsigned long flags; 4134 bool process_atio = false; 4135 4136 rsp = (struct rsp_que *) dev_id; 4137 if (!rsp) { 4138 ql_log(ql_log_info, NULL, 0x505c, 4139 "%s: NULL response queue pointer.\n", __func__); 4140 return IRQ_NONE; 4141 } 4142 ha = rsp->hw; 4143 reg = &ha->iobase->isp24; 4144 status = 0; 4145 4146 spin_lock_irqsave(&ha->hardware_lock, flags); 4147 vha = pci_get_drvdata(ha->pdev); 4148 do { 4149 stat = rd_reg_dword(®->host_status); 4150 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 4151 break; 4152 if (stat & HSRX_RISC_PAUSED) { 4153 if (unlikely(pci_channel_offline(ha->pdev))) 4154 break; 4155 4156 hccr = rd_reg_dword(®->hccr); 4157 4158 ql_log(ql_log_info, vha, 0x5050, 4159 "RISC paused -- HCCR=%x, Dumping firmware.\n", 4160 hccr); 4161 4162 qla2xxx_check_risc_status(vha); 4163 vha->hw_err_cnt++; 4164 4165 ha->isp_ops->fw_dump(vha); 4166 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 4167 break; 4168 } else if ((stat & HSRX_RISC_INT) == 0) 4169 break; 4170 4171 switch (stat & 0xff) { 4172 case INTR_ROM_MB_SUCCESS: 4173 case INTR_ROM_MB_FAILED: 4174 case INTR_MB_SUCCESS: 4175 case INTR_MB_FAILED: 4176 qla24xx_mbx_completion(vha, MSW(stat)); 4177 status |= MBX_INTERRUPT; 4178 4179 break; 4180 case INTR_ASYNC_EVENT: 4181 mb[0] = MSW(stat); 4182 mb[1] = rd_reg_word(®->mailbox1); 4183 mb[2] = rd_reg_word(®->mailbox2); 4184 mb[3] = rd_reg_word(®->mailbox3); 4185 qla2x00_async_event(vha, rsp, mb); 4186 break; 4187 case INTR_RSP_QUE_UPDATE: 4188 case INTR_RSP_QUE_UPDATE_83XX: 4189 qla24xx_process_response_queue(vha, rsp); 4190 break; 4191 case INTR_ATIO_QUE_UPDATE_27XX: 4192 case INTR_ATIO_QUE_UPDATE: 4193 process_atio = true; 4194 break; 4195 case INTR_ATIO_RSP_QUE_UPDATE: 4196 process_atio = true; 4197 qla24xx_process_response_queue(vha, rsp); 4198 break; 4199 default: 4200 ql_dbg(ql_dbg_async, vha, 0x5051, 4201 "Unrecognized interrupt type (%d).\n", stat & 0xff); 4202 break; 4203 } 4204 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4205 } while (0); 4206 qla2x00_handle_mbx_completion(ha, status); 4207 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4208 4209 if (process_atio) { 4210 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 4211 qlt_24xx_process_atio_queue(vha, 0); 4212 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 4213 } 4214 4215 return IRQ_HANDLED; 4216 } 4217 4218 irqreturn_t 4219 qla2xxx_msix_rsp_q(int irq, void *dev_id) 4220 { 4221 struct qla_hw_data *ha; 4222 struct qla_qpair *qpair; 4223 4224 qpair = dev_id; 4225 if (!qpair) { 4226 ql_log(ql_log_info, NULL, 0x505b, 4227 "%s: NULL response queue pointer.\n", __func__); 4228 return IRQ_NONE; 4229 } 4230 ha = qpair->hw; 4231 4232 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); 4233 4234 return IRQ_HANDLED; 4235 } 4236 4237 irqreturn_t 4238 qla2xxx_msix_rsp_q_hs(int irq, void *dev_id) 4239 { 4240 struct qla_hw_data *ha; 4241 struct qla_qpair *qpair; 4242 struct device_reg_24xx __iomem *reg; 4243 unsigned long flags; 4244 4245 qpair = dev_id; 4246 if (!qpair) { 4247 ql_log(ql_log_info, NULL, 0x505b, 4248 "%s: NULL response queue pointer.\n", __func__); 4249 return IRQ_NONE; 4250 } 4251 ha = qpair->hw; 4252 4253 reg = &ha->iobase->isp24; 4254 spin_lock_irqsave(&ha->hardware_lock, flags); 4255 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4256 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4257 4258 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); 4259 4260 return IRQ_HANDLED; 4261 } 4262 4263 /* Interrupt handling helpers. */ 4264 4265 struct qla_init_msix_entry { 4266 const char *name; 4267 irq_handler_t handler; 4268 }; 4269 4270 static const struct qla_init_msix_entry msix_entries[] = { 4271 { "default", qla24xx_msix_default }, 4272 { "rsp_q", qla24xx_msix_rsp_q }, 4273 { "atio_q", qla83xx_msix_atio_q }, 4274 { "qpair_multiq", qla2xxx_msix_rsp_q }, 4275 { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs }, 4276 }; 4277 4278 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 4279 { "qla2xxx (default)", qla82xx_msix_default }, 4280 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 4281 }; 4282 4283 static int 4284 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 4285 { 4286 int i, ret; 4287 struct qla_msix_entry *qentry; 4288 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4289 int min_vecs = QLA_BASE_VECTORS; 4290 struct irq_affinity desc = { 4291 .pre_vectors = QLA_BASE_VECTORS, 4292 }; 4293 4294 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 4295 IS_ATIO_MSIX_CAPABLE(ha)) { 4296 desc.pre_vectors++; 4297 min_vecs++; 4298 } 4299 4300 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 4301 /* user wants to control IRQ setting for target mode */ 4302 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 4303 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), 4304 PCI_IRQ_MSIX); 4305 } else 4306 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 4307 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), 4308 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 4309 &desc); 4310 4311 if (ret < 0) { 4312 ql_log(ql_log_fatal, vha, 0x00c7, 4313 "MSI-X: Failed to enable support, " 4314 "giving up -- %d/%d.\n", 4315 ha->msix_count, ret); 4316 goto msix_out; 4317 } else if (ret < ha->msix_count) { 4318 ql_log(ql_log_info, vha, 0x00c6, 4319 "MSI-X: Using %d vectors\n", ret); 4320 ha->msix_count = ret; 4321 /* Recalculate queue values */ 4322 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 4323 ha->max_req_queues = ha->msix_count - 1; 4324 4325 /* ATIOQ needs 1 vector. That's 1 less QPair */ 4326 if (QLA_TGT_MODE_ENABLED()) 4327 ha->max_req_queues--; 4328 4329 ha->max_rsp_queues = ha->max_req_queues; 4330 4331 ha->max_qpairs = ha->max_req_queues - 1; 4332 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 4333 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 4334 } 4335 } 4336 vha->irq_offset = desc.pre_vectors; 4337 ha->msix_entries = kcalloc(ha->msix_count, 4338 sizeof(struct qla_msix_entry), 4339 GFP_KERNEL); 4340 if (!ha->msix_entries) { 4341 ql_log(ql_log_fatal, vha, 0x00c8, 4342 "Failed to allocate memory for ha->msix_entries.\n"); 4343 ret = -ENOMEM; 4344 goto free_irqs; 4345 } 4346 ha->flags.msix_enabled = 1; 4347 4348 for (i = 0; i < ha->msix_count; i++) { 4349 qentry = &ha->msix_entries[i]; 4350 qentry->vector = pci_irq_vector(ha->pdev, i); 4351 qentry->entry = i; 4352 qentry->have_irq = 0; 4353 qentry->in_use = 0; 4354 qentry->handle = NULL; 4355 } 4356 4357 /* Enable MSI-X vectors for the base queue */ 4358 for (i = 0; i < QLA_BASE_VECTORS; i++) { 4359 qentry = &ha->msix_entries[i]; 4360 qentry->handle = rsp; 4361 rsp->msix = qentry; 4362 scnprintf(qentry->name, sizeof(qentry->name), 4363 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 4364 if (IS_P3P_TYPE(ha)) 4365 ret = request_irq(qentry->vector, 4366 qla82xx_msix_entries[i].handler, 4367 0, qla82xx_msix_entries[i].name, rsp); 4368 else 4369 ret = request_irq(qentry->vector, 4370 msix_entries[i].handler, 4371 0, qentry->name, rsp); 4372 if (ret) 4373 goto msix_register_fail; 4374 qentry->have_irq = 1; 4375 qentry->in_use = 1; 4376 } 4377 4378 /* 4379 * If target mode is enable, also request the vector for the ATIO 4380 * queue. 4381 */ 4382 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 4383 IS_ATIO_MSIX_CAPABLE(ha)) { 4384 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 4385 rsp->msix = qentry; 4386 qentry->handle = rsp; 4387 scnprintf(qentry->name, sizeof(qentry->name), 4388 "qla2xxx%lu_%s", vha->host_no, 4389 msix_entries[QLA_ATIO_VECTOR].name); 4390 qentry->in_use = 1; 4391 ret = request_irq(qentry->vector, 4392 msix_entries[QLA_ATIO_VECTOR].handler, 4393 0, qentry->name, rsp); 4394 qentry->have_irq = 1; 4395 } 4396 4397 msix_register_fail: 4398 if (ret) { 4399 ql_log(ql_log_fatal, vha, 0x00cb, 4400 "MSI-X: unable to register handler -- %x/%d.\n", 4401 qentry->vector, ret); 4402 qla2x00_free_irqs(vha); 4403 ha->mqenable = 0; 4404 goto msix_out; 4405 } 4406 4407 /* Enable MSI-X vector for response queue update for queue 0 */ 4408 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 4409 if (ha->msixbase && ha->mqiobase && 4410 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 4411 ql2xmqsupport)) 4412 ha->mqenable = 1; 4413 } else 4414 if (ha->mqiobase && 4415 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 4416 ql2xmqsupport)) 4417 ha->mqenable = 1; 4418 ql_dbg(ql_dbg_multiq, vha, 0xc005, 4419 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 4420 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 4421 ql_dbg(ql_dbg_init, vha, 0x0055, 4422 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 4423 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 4424 4425 msix_out: 4426 return ret; 4427 4428 free_irqs: 4429 pci_free_irq_vectors(ha->pdev); 4430 goto msix_out; 4431 } 4432 4433 int 4434 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 4435 { 4436 int ret = QLA_FUNCTION_FAILED; 4437 device_reg_t *reg = ha->iobase; 4438 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4439 4440 /* If possible, enable MSI-X. */ 4441 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 4442 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 4443 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) 4444 goto skip_msi; 4445 4446 if (ql2xenablemsix == 2) 4447 goto skip_msix; 4448 4449 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 4450 (ha->pdev->subsystem_device == 0x7040 || 4451 ha->pdev->subsystem_device == 0x7041 || 4452 ha->pdev->subsystem_device == 0x1705)) { 4453 ql_log(ql_log_warn, vha, 0x0034, 4454 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 4455 ha->pdev->subsystem_vendor, 4456 ha->pdev->subsystem_device); 4457 goto skip_msi; 4458 } 4459 4460 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 4461 ql_log(ql_log_warn, vha, 0x0035, 4462 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 4463 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 4464 goto skip_msix; 4465 } 4466 4467 ret = qla24xx_enable_msix(ha, rsp); 4468 if (!ret) { 4469 ql_dbg(ql_dbg_init, vha, 0x0036, 4470 "MSI-X: Enabled (0x%X, 0x%X).\n", 4471 ha->chip_revision, ha->fw_attributes); 4472 goto clear_risc_ints; 4473 } 4474 4475 skip_msix: 4476 4477 ql_log(ql_log_info, vha, 0x0037, 4478 "Falling back-to MSI mode -- ret=%d.\n", ret); 4479 4480 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 4481 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 4482 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 4483 goto skip_msi; 4484 4485 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 4486 if (ret > 0) { 4487 ql_dbg(ql_dbg_init, vha, 0x0038, 4488 "MSI: Enabled.\n"); 4489 ha->flags.msi_enabled = 1; 4490 } else 4491 ql_log(ql_log_warn, vha, 0x0039, 4492 "Falling back-to INTa mode -- ret=%d.\n", ret); 4493 skip_msi: 4494 4495 /* Skip INTx on ISP82xx. */ 4496 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 4497 return QLA_FUNCTION_FAILED; 4498 4499 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 4500 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 4501 QLA2XXX_DRIVER_NAME, rsp); 4502 if (ret) { 4503 ql_log(ql_log_warn, vha, 0x003a, 4504 "Failed to reserve interrupt %d already in use.\n", 4505 ha->pdev->irq); 4506 goto fail; 4507 } else if (!ha->flags.msi_enabled) { 4508 ql_dbg(ql_dbg_init, vha, 0x0125, 4509 "INTa mode: Enabled.\n"); 4510 ha->flags.mr_intr_valid = 1; 4511 /* Set max_qpair to 0, as MSI-X and MSI in not enabled */ 4512 ha->max_qpairs = 0; 4513 } 4514 4515 clear_risc_ints: 4516 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 4517 goto fail; 4518 4519 spin_lock_irq(&ha->hardware_lock); 4520 wrt_reg_word(®->isp.semaphore, 0); 4521 spin_unlock_irq(&ha->hardware_lock); 4522 4523 fail: 4524 return ret; 4525 } 4526 4527 void 4528 qla2x00_free_irqs(scsi_qla_host_t *vha) 4529 { 4530 struct qla_hw_data *ha = vha->hw; 4531 struct rsp_que *rsp; 4532 struct qla_msix_entry *qentry; 4533 int i; 4534 4535 /* 4536 * We need to check that ha->rsp_q_map is valid in case we are called 4537 * from a probe failure context. 4538 */ 4539 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 4540 goto free_irqs; 4541 rsp = ha->rsp_q_map[0]; 4542 4543 if (ha->flags.msix_enabled) { 4544 for (i = 0; i < ha->msix_count; i++) { 4545 qentry = &ha->msix_entries[i]; 4546 if (qentry->have_irq) { 4547 irq_set_affinity_notifier(qentry->vector, NULL); 4548 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 4549 } 4550 } 4551 kfree(ha->msix_entries); 4552 ha->msix_entries = NULL; 4553 ha->flags.msix_enabled = 0; 4554 ql_dbg(ql_dbg_init, vha, 0x0042, 4555 "Disabled MSI-X.\n"); 4556 } else { 4557 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 4558 } 4559 4560 free_irqs: 4561 pci_free_irq_vectors(ha->pdev); 4562 } 4563 4564 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 4565 struct qla_msix_entry *msix, int vector_type) 4566 { 4567 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 4568 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4569 int ret; 4570 4571 scnprintf(msix->name, sizeof(msix->name), 4572 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 4573 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 4574 if (ret) { 4575 ql_log(ql_log_fatal, vha, 0x00e6, 4576 "MSI-X: Unable to register handler -- %x/%d.\n", 4577 msix->vector, ret); 4578 return ret; 4579 } 4580 msix->have_irq = 1; 4581 msix->handle = qpair; 4582 return ret; 4583 } 4584