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 [FCS_UNKNOWN] = "Unknown", 53 [FCS_UNCONFIGURED] = "UNCONFIGURED", 54 [FCS_DEVICE_DEAD] = "DEAD", 55 [FCS_DEVICE_LOST] = "LOST", 56 [FCS_ONLINE] = "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 ql_dbg(ql_dbg_disc, vha, 0x911e, 2237 "%s %d schedule session deletion\n", 2238 __func__, __LINE__); 2239 2240 els->u.els_plogi.len = 0; 2241 res = DID_IMM_RETRY << 16; 2242 qlt_schedule_sess_for_deletion(sp->fcport); 2243 } else { 2244 els->u.els_plogi.len = 0; 2245 res = DID_ERROR << 16; 2246 } 2247 2248 if (logit) { 2249 if (sp->remap.remapped && 2250 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_RJT) { 2251 ql_dbg(ql_dbg_user, vha, 0x503f, 2252 "%s IOCB Done LS_RJT hdl=%x comp_status=0x%x\n", 2253 type, sp->handle, comp_status); 2254 2255 ql_dbg(ql_dbg_user, vha, 0x503f, 2256 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", 2257 fw_status[1], fw_status[2], 2258 le32_to_cpu(((struct els_sts_entry_24xx *) 2259 pkt)->total_byte_count), 2260 e->s_id[0], e->s_id[2], e->s_id[1], 2261 e->d_id[2], e->d_id[1], e->d_id[0]); 2262 } else { 2263 ql_log(ql_log_info, vha, 0x503f, 2264 "%s IOCB Done hdl=%x comp_status=0x%x\n", 2265 type, sp->handle, comp_status); 2266 ql_log(ql_log_info, vha, 0x503f, 2267 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", 2268 fw_status[1], fw_status[2], 2269 le32_to_cpu(((struct els_sts_entry_24xx *) 2270 pkt)->total_byte_count), 2271 e->s_id[0], e->s_id[2], e->s_id[1], 2272 e->d_id[2], e->d_id[1], e->d_id[0]); 2273 } 2274 } 2275 } 2276 goto els_ct_done; 2277 } 2278 2279 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 2280 * fc payload to the caller 2281 */ 2282 bsg_job = sp->u.bsg_job; 2283 bsg_reply = bsg_job->reply; 2284 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 2285 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 2286 2287 if (comp_status != CS_COMPLETE) { 2288 if (comp_status == CS_DATA_UNDERRUN) { 2289 res = DID_OK << 16; 2290 bsg_reply->reply_payload_rcv_len = 2291 le32_to_cpu(ese->total_byte_count); 2292 2293 ql_dbg(ql_dbg_user, vha, 0x503f, 2294 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 2295 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 2296 type, sp->handle, comp_status, fw_status[1], fw_status[2], 2297 le32_to_cpu(ese->total_byte_count)); 2298 } else { 2299 ql_dbg(ql_dbg_user, vha, 0x5040, 2300 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 2301 "error subcode 1=0x%x error subcode 2=0x%x.\n", 2302 type, sp->handle, comp_status, 2303 le32_to_cpu(ese->error_subcode_1), 2304 le32_to_cpu(ese->error_subcode_2)); 2305 res = DID_ERROR << 16; 2306 bsg_reply->reply_payload_rcv_len = 0; 2307 } 2308 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 2309 fw_status, sizeof(fw_status)); 2310 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 2311 pkt, sizeof(*pkt)); 2312 } 2313 else { 2314 res = DID_OK << 16; 2315 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 2316 bsg_job->reply_len = 0; 2317 } 2318 els_ct_done: 2319 2320 sp->done(sp, res); 2321 } 2322 2323 static void 2324 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 2325 struct logio_entry_24xx *logio) 2326 { 2327 const char func[] = "LOGIO-IOCB"; 2328 const char *type; 2329 fc_port_t *fcport; 2330 srb_t *sp; 2331 struct srb_iocb *lio; 2332 uint16_t *data; 2333 uint32_t iop[2]; 2334 int logit = 1; 2335 2336 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 2337 if (!sp) 2338 return; 2339 2340 lio = &sp->u.iocb_cmd; 2341 type = sp->name; 2342 fcport = sp->fcport; 2343 data = lio->u.logio.data; 2344 2345 data[0] = MBS_COMMAND_ERROR; 2346 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 2347 QLA_LOGIO_LOGIN_RETRIED : 0; 2348 if (logio->entry_status) { 2349 ql_log(ql_log_warn, fcport->vha, 0x5034, 2350 "Async-%s error entry - %8phC hdl=%x" 2351 "portid=%02x%02x%02x entry-status=%x.\n", 2352 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 2353 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2354 logio->entry_status); 2355 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 2356 logio, sizeof(*logio)); 2357 2358 goto logio_done; 2359 } 2360 2361 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 2362 ql_dbg(ql_dbg_async, sp->vha, 0x5036, 2363 "Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n", 2364 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2365 le32_to_cpu(logio->io_parameter[0])); 2366 2367 vha->hw->exch_starvation = 0; 2368 data[0] = MBS_COMMAND_COMPLETE; 2369 2370 if (sp->type == SRB_PRLI_CMD) { 2371 lio->u.logio.iop[0] = 2372 le32_to_cpu(logio->io_parameter[0]); 2373 lio->u.logio.iop[1] = 2374 le32_to_cpu(logio->io_parameter[1]); 2375 goto logio_done; 2376 } 2377 2378 if (sp->type != SRB_LOGIN_CMD) 2379 goto logio_done; 2380 2381 lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[5]); 2382 if (le32_to_cpu(logio->io_parameter[5]) & LIO_COMM_FEAT_FCSP) 2383 fcport->flags |= FCF_FCSP_DEVICE; 2384 2385 iop[0] = le32_to_cpu(logio->io_parameter[0]); 2386 if (iop[0] & BIT_4) { 2387 fcport->port_type = FCT_TARGET; 2388 if (iop[0] & BIT_8) 2389 fcport->flags |= FCF_FCP2_DEVICE; 2390 } else if (iop[0] & BIT_5) 2391 fcport->port_type = FCT_INITIATOR; 2392 2393 if (iop[0] & BIT_7) 2394 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 2395 2396 if (logio->io_parameter[7] || logio->io_parameter[8]) 2397 fcport->supported_classes |= FC_COS_CLASS2; 2398 if (logio->io_parameter[9] || logio->io_parameter[10]) 2399 fcport->supported_classes |= FC_COS_CLASS3; 2400 2401 goto logio_done; 2402 } 2403 2404 iop[0] = le32_to_cpu(logio->io_parameter[0]); 2405 iop[1] = le32_to_cpu(logio->io_parameter[1]); 2406 lio->u.logio.iop[0] = iop[0]; 2407 lio->u.logio.iop[1] = iop[1]; 2408 switch (iop[0]) { 2409 case LSC_SCODE_PORTID_USED: 2410 data[0] = MBS_PORT_ID_USED; 2411 data[1] = LSW(iop[1]); 2412 logit = 0; 2413 break; 2414 case LSC_SCODE_NPORT_USED: 2415 data[0] = MBS_LOOP_ID_USED; 2416 logit = 0; 2417 break; 2418 case LSC_SCODE_CMD_FAILED: 2419 if (iop[1] == 0x0606) { 2420 /* 2421 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 2422 * Target side acked. 2423 */ 2424 data[0] = MBS_COMMAND_COMPLETE; 2425 goto logio_done; 2426 } 2427 data[0] = MBS_COMMAND_ERROR; 2428 break; 2429 case LSC_SCODE_NOXCB: 2430 vha->hw->exch_starvation++; 2431 if (vha->hw->exch_starvation > 5) { 2432 ql_log(ql_log_warn, vha, 0xd046, 2433 "Exchange starvation. Resetting RISC\n"); 2434 2435 vha->hw->exch_starvation = 0; 2436 2437 if (IS_P3P_TYPE(vha->hw)) 2438 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2439 else 2440 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2441 qla2xxx_wake_dpc(vha); 2442 } 2443 fallthrough; 2444 default: 2445 data[0] = MBS_COMMAND_ERROR; 2446 break; 2447 } 2448 2449 if (logit) 2450 ql_log(ql_log_warn, sp->vha, 0x5037, "Async-%s failed: " 2451 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", 2452 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2453 le16_to_cpu(logio->comp_status), 2454 le32_to_cpu(logio->io_parameter[0]), 2455 le32_to_cpu(logio->io_parameter[1])); 2456 else 2457 ql_dbg(ql_dbg_disc, sp->vha, 0x5037, "Async-%s failed: " 2458 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", 2459 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2460 le16_to_cpu(logio->comp_status), 2461 le32_to_cpu(logio->io_parameter[0]), 2462 le32_to_cpu(logio->io_parameter[1])); 2463 2464 logio_done: 2465 sp->done(sp, 0); 2466 } 2467 2468 static void 2469 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 2470 { 2471 const char func[] = "TMF-IOCB"; 2472 const char *type; 2473 fc_port_t *fcport; 2474 srb_t *sp; 2475 struct srb_iocb *iocb; 2476 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2477 u16 comp_status; 2478 2479 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 2480 if (!sp) 2481 return; 2482 2483 comp_status = le16_to_cpu(sts->comp_status); 2484 iocb = &sp->u.iocb_cmd; 2485 type = sp->name; 2486 fcport = sp->fcport; 2487 iocb->u.tmf.data = QLA_SUCCESS; 2488 2489 if (sts->entry_status) { 2490 ql_log(ql_log_warn, fcport->vha, 0x5038, 2491 "Async-%s error - hdl=%x entry-status(%x).\n", 2492 type, sp->handle, sts->entry_status); 2493 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2494 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 2495 ql_log(ql_log_warn, fcport->vha, 0x5039, 2496 "Async-%s error - hdl=%x completion status(%x).\n", 2497 type, sp->handle, comp_status); 2498 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2499 } else if ((le16_to_cpu(sts->scsi_status) & 2500 SS_RESPONSE_INFO_LEN_VALID)) { 2501 host_to_fcp_swap(sts->data, sizeof(sts->data)); 2502 if (le32_to_cpu(sts->rsp_data_len) < 4) { 2503 ql_log(ql_log_warn, fcport->vha, 0x503b, 2504 "Async-%s error - hdl=%x not enough response(%d).\n", 2505 type, sp->handle, sts->rsp_data_len); 2506 } else if (sts->data[3]) { 2507 ql_log(ql_log_warn, fcport->vha, 0x503c, 2508 "Async-%s error - hdl=%x response(%x).\n", 2509 type, sp->handle, sts->data[3]); 2510 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2511 } 2512 } 2513 2514 switch (comp_status) { 2515 case CS_PORT_LOGGED_OUT: 2516 case CS_PORT_CONFIG_CHG: 2517 case CS_PORT_BUSY: 2518 case CS_INCOMPLETE: 2519 case CS_PORT_UNAVAILABLE: 2520 case CS_TIMEOUT: 2521 case CS_RESET: 2522 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2523 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2524 "-Port to be marked lost on fcport=%02x%02x%02x, current port state= %s comp_status %x.\n", 2525 fcport->d_id.b.domain, fcport->d_id.b.area, 2526 fcport->d_id.b.al_pa, 2527 port_state_str[FCS_ONLINE], 2528 comp_status); 2529 2530 qlt_schedule_sess_for_deletion(fcport); 2531 } 2532 break; 2533 2534 default: 2535 break; 2536 } 2537 2538 if (iocb->u.tmf.data != QLA_SUCCESS) 2539 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, 2540 sts, sizeof(*sts)); 2541 2542 sp->done(sp, 0); 2543 } 2544 2545 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2546 void *tsk, srb_t *sp) 2547 { 2548 fc_port_t *fcport; 2549 struct srb_iocb *iocb; 2550 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2551 uint16_t state_flags; 2552 struct nvmefc_fcp_req *fd; 2553 uint16_t ret = QLA_SUCCESS; 2554 __le16 comp_status = sts->comp_status; 2555 int logit = 0; 2556 2557 iocb = &sp->u.iocb_cmd; 2558 fcport = sp->fcport; 2559 iocb->u.nvme.comp_status = comp_status; 2560 state_flags = le16_to_cpu(sts->state_flags); 2561 fd = iocb->u.nvme.desc; 2562 2563 if (unlikely(iocb->u.nvme.aen_op)) 2564 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 2565 else 2566 sp->qpair->cmd_completion_cnt++; 2567 2568 if (unlikely(comp_status != CS_COMPLETE)) 2569 logit = 1; 2570 2571 fd->transferred_length = fd->payload_length - 2572 le32_to_cpu(sts->residual_len); 2573 2574 /* 2575 * State flags: Bit 6 and 0. 2576 * If 0 is set, we don't care about 6. 2577 * both cases resp was dma'd to host buffer 2578 * if both are 0, that is good path case. 2579 * if six is set and 0 is clear, we need to 2580 * copy resp data from status iocb to resp buffer. 2581 */ 2582 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 2583 iocb->u.nvme.rsp_pyld_len = 0; 2584 } else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) == 2585 (SF_FCP_RSP_DMA | SF_NVME_ERSP)) { 2586 /* Response already DMA'd to fd->rspaddr. */ 2587 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; 2588 } else if ((state_flags & SF_FCP_RSP_DMA)) { 2589 /* 2590 * Non-zero value in first 12 bytes of NVMe_RSP IU, treat this 2591 * as an error. 2592 */ 2593 iocb->u.nvme.rsp_pyld_len = 0; 2594 fd->transferred_length = 0; 2595 ql_dbg(ql_dbg_io, fcport->vha, 0x307a, 2596 "Unexpected values in NVMe_RSP IU.\n"); 2597 logit = 1; 2598 } else if (state_flags & SF_NVME_ERSP) { 2599 uint32_t *inbuf, *outbuf; 2600 uint16_t iter; 2601 2602 inbuf = (uint32_t *)&sts->nvme_ersp_data; 2603 outbuf = (uint32_t *)fd->rspaddr; 2604 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; 2605 if (unlikely(le16_to_cpu(iocb->u.nvme.rsp_pyld_len) > 2606 sizeof(struct nvme_fc_ersp_iu))) { 2607 if (ql_mask_match(ql_dbg_io)) { 2608 WARN_ONCE(1, "Unexpected response payload length %u.\n", 2609 iocb->u.nvme.rsp_pyld_len); 2610 ql_log(ql_log_warn, fcport->vha, 0x5100, 2611 "Unexpected response payload length %u.\n", 2612 iocb->u.nvme.rsp_pyld_len); 2613 } 2614 iocb->u.nvme.rsp_pyld_len = 2615 cpu_to_le16(sizeof(struct nvme_fc_ersp_iu)); 2616 } 2617 iter = le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >> 2; 2618 for (; iter; iter--) 2619 *outbuf++ = swab32(*inbuf++); 2620 } 2621 2622 if (state_flags & SF_NVME_ERSP) { 2623 struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr; 2624 u32 tgt_xfer_len; 2625 2626 tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len); 2627 if (fd->transferred_length != tgt_xfer_len) { 2628 ql_log(ql_log_warn, fcport->vha, 0x3079, 2629 "Dropped frame(s) detected (sent/rcvd=%u/%u).\n", 2630 tgt_xfer_len, fd->transferred_length); 2631 logit = 1; 2632 } else if (le16_to_cpu(comp_status) == CS_DATA_UNDERRUN) { 2633 /* 2634 * Do not log if this is just an underflow and there 2635 * is no data loss. 2636 */ 2637 logit = 0; 2638 } 2639 } 2640 2641 if (unlikely(logit)) 2642 ql_log(ql_dbg_io, fcport->vha, 0x5060, 2643 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 2644 sp->name, sp->handle, comp_status, 2645 fd->transferred_length, le32_to_cpu(sts->residual_len), 2646 sts->ox_id); 2647 2648 /* 2649 * If transport error then Failure (HBA rejects request) 2650 * otherwise transport will handle. 2651 */ 2652 switch (le16_to_cpu(comp_status)) { 2653 case CS_COMPLETE: 2654 break; 2655 2656 case CS_RESET: 2657 case CS_PORT_UNAVAILABLE: 2658 case CS_PORT_LOGGED_OUT: 2659 fcport->nvme_flag |= NVME_FLAG_RESETTING; 2660 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2661 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2662 "Port to be marked lost on fcport=%06x, current " 2663 "port state= %s comp_status %x.\n", 2664 fcport->d_id.b24, port_state_str[FCS_ONLINE], 2665 comp_status); 2666 2667 qlt_schedule_sess_for_deletion(fcport); 2668 } 2669 fallthrough; 2670 case CS_ABORTED: 2671 case CS_PORT_BUSY: 2672 fd->transferred_length = 0; 2673 iocb->u.nvme.rsp_pyld_len = 0; 2674 ret = QLA_ABORTED; 2675 break; 2676 case CS_DATA_UNDERRUN: 2677 break; 2678 default: 2679 ret = QLA_FUNCTION_FAILED; 2680 break; 2681 } 2682 sp->done(sp, ret); 2683 } 2684 2685 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 2686 struct vp_ctrl_entry_24xx *vce) 2687 { 2688 const char func[] = "CTRLVP-IOCB"; 2689 srb_t *sp; 2690 int rval = QLA_SUCCESS; 2691 2692 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 2693 if (!sp) 2694 return; 2695 2696 if (vce->entry_status != 0) { 2697 ql_dbg(ql_dbg_vport, vha, 0x10c4, 2698 "%s: Failed to complete IOCB -- error status (%x)\n", 2699 sp->name, vce->entry_status); 2700 rval = QLA_FUNCTION_FAILED; 2701 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 2702 ql_dbg(ql_dbg_vport, vha, 0x10c5, 2703 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 2704 sp->name, le16_to_cpu(vce->comp_status), 2705 le16_to_cpu(vce->vp_idx_failed)); 2706 rval = QLA_FUNCTION_FAILED; 2707 } else { 2708 ql_dbg(ql_dbg_vport, vha, 0x10c6, 2709 "Done %s.\n", __func__); 2710 } 2711 2712 sp->rc = rval; 2713 sp->done(sp, rval); 2714 } 2715 2716 /* Process a single response queue entry. */ 2717 static void qla2x00_process_response_entry(struct scsi_qla_host *vha, 2718 struct rsp_que *rsp, 2719 sts_entry_t *pkt) 2720 { 2721 sts21_entry_t *sts21_entry; 2722 sts22_entry_t *sts22_entry; 2723 uint16_t handle_cnt; 2724 uint16_t cnt; 2725 2726 switch (pkt->entry_type) { 2727 case STATUS_TYPE: 2728 qla2x00_status_entry(vha, rsp, pkt); 2729 break; 2730 case STATUS_TYPE_21: 2731 sts21_entry = (sts21_entry_t *)pkt; 2732 handle_cnt = sts21_entry->handle_count; 2733 for (cnt = 0; cnt < handle_cnt; cnt++) 2734 qla2x00_process_completed_request(vha, rsp->req, 2735 sts21_entry->handle[cnt]); 2736 break; 2737 case STATUS_TYPE_22: 2738 sts22_entry = (sts22_entry_t *)pkt; 2739 handle_cnt = sts22_entry->handle_count; 2740 for (cnt = 0; cnt < handle_cnt; cnt++) 2741 qla2x00_process_completed_request(vha, rsp->req, 2742 sts22_entry->handle[cnt]); 2743 break; 2744 case STATUS_CONT_TYPE: 2745 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2746 break; 2747 case MBX_IOCB_TYPE: 2748 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt); 2749 break; 2750 case CT_IOCB_TYPE: 2751 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2752 break; 2753 default: 2754 /* Type Not Supported. */ 2755 ql_log(ql_log_warn, vha, 0x504a, 2756 "Received unknown response pkt type %x entry status=%x.\n", 2757 pkt->entry_type, pkt->entry_status); 2758 break; 2759 } 2760 } 2761 2762 /** 2763 * qla2x00_process_response_queue() - Process response queue entries. 2764 * @rsp: response queue 2765 */ 2766 void 2767 qla2x00_process_response_queue(struct rsp_que *rsp) 2768 { 2769 struct scsi_qla_host *vha; 2770 struct qla_hw_data *ha = rsp->hw; 2771 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2772 sts_entry_t *pkt; 2773 2774 vha = pci_get_drvdata(ha->pdev); 2775 2776 if (!vha->flags.online) 2777 return; 2778 2779 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2780 pkt = (sts_entry_t *)rsp->ring_ptr; 2781 2782 rsp->ring_index++; 2783 if (rsp->ring_index == rsp->length) { 2784 rsp->ring_index = 0; 2785 rsp->ring_ptr = rsp->ring; 2786 } else { 2787 rsp->ring_ptr++; 2788 } 2789 2790 if (pkt->entry_status != 0) { 2791 qla2x00_error_entry(vha, rsp, pkt); 2792 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2793 wmb(); 2794 continue; 2795 } 2796 2797 qla2x00_process_response_entry(vha, rsp, pkt); 2798 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2799 wmb(); 2800 } 2801 2802 /* Adjust ring index */ 2803 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2804 } 2805 2806 static inline void 2807 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2808 uint32_t sense_len, struct rsp_que *rsp, int res) 2809 { 2810 struct scsi_qla_host *vha = sp->vha; 2811 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2812 uint32_t track_sense_len; 2813 2814 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2815 sense_len = SCSI_SENSE_BUFFERSIZE; 2816 2817 SET_CMD_SENSE_LEN(sp, sense_len); 2818 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2819 track_sense_len = sense_len; 2820 2821 if (sense_len > par_sense_len) 2822 sense_len = par_sense_len; 2823 2824 memcpy(cp->sense_buffer, sense_data, sense_len); 2825 2826 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2827 track_sense_len -= sense_len; 2828 SET_CMD_SENSE_LEN(sp, track_sense_len); 2829 2830 if (track_sense_len != 0) { 2831 rsp->status_srb = sp; 2832 cp->result = res; 2833 } 2834 2835 if (sense_len) { 2836 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2837 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2838 sp->vha->host_no, cp->device->id, cp->device->lun, 2839 cp); 2840 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2841 cp->sense_buffer, sense_len); 2842 } 2843 } 2844 2845 struct scsi_dif_tuple { 2846 __be16 guard; /* Checksum */ 2847 __be16 app_tag; /* APPL identifier */ 2848 __be32 ref_tag; /* Target LBA or indirect LBA */ 2849 }; 2850 2851 /* 2852 * Checks the guard or meta-data for the type of error 2853 * detected by the HBA. In case of errors, we set the 2854 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2855 * to indicate to the kernel that the HBA detected error. 2856 */ 2857 static inline int 2858 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2859 { 2860 struct scsi_qla_host *vha = sp->vha; 2861 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2862 uint8_t *ap = &sts24->data[12]; 2863 uint8_t *ep = &sts24->data[20]; 2864 uint32_t e_ref_tag, a_ref_tag; 2865 uint16_t e_app_tag, a_app_tag; 2866 uint16_t e_guard, a_guard; 2867 2868 /* 2869 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2870 * would make guard field appear at offset 2 2871 */ 2872 a_guard = get_unaligned_le16(ap + 2); 2873 a_app_tag = get_unaligned_le16(ap + 0); 2874 a_ref_tag = get_unaligned_le32(ap + 4); 2875 e_guard = get_unaligned_le16(ep + 2); 2876 e_app_tag = get_unaligned_le16(ep + 0); 2877 e_ref_tag = get_unaligned_le32(ep + 4); 2878 2879 ql_dbg(ql_dbg_io, vha, 0x3023, 2880 "iocb(s) %p Returned STATUS.\n", sts24); 2881 2882 ql_dbg(ql_dbg_io, vha, 0x3024, 2883 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2884 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2885 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2886 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2887 a_app_tag, e_app_tag, a_guard, e_guard); 2888 2889 /* 2890 * Ignore sector if: 2891 * For type 3: ref & app tag is all 'f's 2892 * For type 0,1,2: app tag is all 'f's 2893 */ 2894 if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) && 2895 (scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 || 2896 a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) { 2897 uint32_t blocks_done, resid; 2898 sector_t lba_s = scsi_get_lba(cmd); 2899 2900 /* 2TB boundary case covered automatically with this */ 2901 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2902 2903 resid = scsi_bufflen(cmd) - (blocks_done * 2904 cmd->device->sector_size); 2905 2906 scsi_set_resid(cmd, resid); 2907 cmd->result = DID_OK << 16; 2908 2909 /* Update protection tag */ 2910 if (scsi_prot_sg_count(cmd)) { 2911 uint32_t i, j = 0, k = 0, num_ent; 2912 struct scatterlist *sg; 2913 struct t10_pi_tuple *spt; 2914 2915 /* Patch the corresponding protection tags */ 2916 scsi_for_each_prot_sg(cmd, sg, 2917 scsi_prot_sg_count(cmd), i) { 2918 num_ent = sg_dma_len(sg) / 8; 2919 if (k + num_ent < blocks_done) { 2920 k += num_ent; 2921 continue; 2922 } 2923 j = blocks_done - k - 1; 2924 k = blocks_done; 2925 break; 2926 } 2927 2928 if (k != blocks_done) { 2929 ql_log(ql_log_warn, vha, 0x302f, 2930 "unexpected tag values tag:lba=%x:%llx)\n", 2931 e_ref_tag, (unsigned long long)lba_s); 2932 return 1; 2933 } 2934 2935 spt = page_address(sg_page(sg)) + sg->offset; 2936 spt += j; 2937 2938 spt->app_tag = T10_PI_APP_ESCAPE; 2939 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2940 spt->ref_tag = T10_PI_REF_ESCAPE; 2941 } 2942 2943 return 0; 2944 } 2945 2946 /* check guard */ 2947 if (e_guard != a_guard) { 2948 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1); 2949 set_host_byte(cmd, DID_ABORT); 2950 return 1; 2951 } 2952 2953 /* check ref tag */ 2954 if (e_ref_tag != a_ref_tag) { 2955 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3); 2956 set_host_byte(cmd, DID_ABORT); 2957 return 1; 2958 } 2959 2960 /* check appl tag */ 2961 if (e_app_tag != a_app_tag) { 2962 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2); 2963 set_host_byte(cmd, DID_ABORT); 2964 return 1; 2965 } 2966 2967 return 1; 2968 } 2969 2970 static void 2971 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2972 struct req_que *req, uint32_t index) 2973 { 2974 struct qla_hw_data *ha = vha->hw; 2975 srb_t *sp; 2976 uint16_t comp_status; 2977 uint16_t scsi_status; 2978 uint16_t thread_id; 2979 uint32_t rval = EXT_STATUS_OK; 2980 struct bsg_job *bsg_job = NULL; 2981 struct fc_bsg_request *bsg_request; 2982 struct fc_bsg_reply *bsg_reply; 2983 sts_entry_t *sts = pkt; 2984 struct sts_entry_24xx *sts24 = pkt; 2985 2986 /* Validate handle. */ 2987 if (index >= req->num_outstanding_cmds) { 2988 ql_log(ql_log_warn, vha, 0x70af, 2989 "Invalid SCSI completion handle 0x%x.\n", index); 2990 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2991 return; 2992 } 2993 2994 sp = req->outstanding_cmds[index]; 2995 if (!sp) { 2996 ql_log(ql_log_warn, vha, 0x70b0, 2997 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2998 req->id, index); 2999 3000 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3001 return; 3002 } 3003 3004 /* Free outstanding command slot. */ 3005 req->outstanding_cmds[index] = NULL; 3006 bsg_job = sp->u.bsg_job; 3007 bsg_request = bsg_job->request; 3008 bsg_reply = bsg_job->reply; 3009 3010 if (IS_FWI2_CAPABLE(ha)) { 3011 comp_status = le16_to_cpu(sts24->comp_status); 3012 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 3013 } else { 3014 comp_status = le16_to_cpu(sts->comp_status); 3015 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 3016 } 3017 3018 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 3019 switch (comp_status) { 3020 case CS_COMPLETE: 3021 if (scsi_status == 0) { 3022 bsg_reply->reply_payload_rcv_len = 3023 bsg_job->reply_payload.payload_len; 3024 vha->qla_stats.input_bytes += 3025 bsg_reply->reply_payload_rcv_len; 3026 vha->qla_stats.input_requests++; 3027 rval = EXT_STATUS_OK; 3028 } 3029 goto done; 3030 3031 case CS_DATA_OVERRUN: 3032 ql_dbg(ql_dbg_user, vha, 0x70b1, 3033 "Command completed with data overrun thread_id=%d\n", 3034 thread_id); 3035 rval = EXT_STATUS_DATA_OVERRUN; 3036 break; 3037 3038 case CS_DATA_UNDERRUN: 3039 ql_dbg(ql_dbg_user, vha, 0x70b2, 3040 "Command completed with data underrun thread_id=%d\n", 3041 thread_id); 3042 rval = EXT_STATUS_DATA_UNDERRUN; 3043 break; 3044 case CS_BIDIR_RD_OVERRUN: 3045 ql_dbg(ql_dbg_user, vha, 0x70b3, 3046 "Command completed with read data overrun thread_id=%d\n", 3047 thread_id); 3048 rval = EXT_STATUS_DATA_OVERRUN; 3049 break; 3050 3051 case CS_BIDIR_RD_WR_OVERRUN: 3052 ql_dbg(ql_dbg_user, vha, 0x70b4, 3053 "Command completed with read and write data overrun " 3054 "thread_id=%d\n", thread_id); 3055 rval = EXT_STATUS_DATA_OVERRUN; 3056 break; 3057 3058 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 3059 ql_dbg(ql_dbg_user, vha, 0x70b5, 3060 "Command completed with read data over and write data " 3061 "underrun thread_id=%d\n", thread_id); 3062 rval = EXT_STATUS_DATA_OVERRUN; 3063 break; 3064 3065 case CS_BIDIR_RD_UNDERRUN: 3066 ql_dbg(ql_dbg_user, vha, 0x70b6, 3067 "Command completed with read data underrun " 3068 "thread_id=%d\n", thread_id); 3069 rval = EXT_STATUS_DATA_UNDERRUN; 3070 break; 3071 3072 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 3073 ql_dbg(ql_dbg_user, vha, 0x70b7, 3074 "Command completed with read data under and write data " 3075 "overrun thread_id=%d\n", thread_id); 3076 rval = EXT_STATUS_DATA_UNDERRUN; 3077 break; 3078 3079 case CS_BIDIR_RD_WR_UNDERRUN: 3080 ql_dbg(ql_dbg_user, vha, 0x70b8, 3081 "Command completed with read and write data underrun " 3082 "thread_id=%d\n", thread_id); 3083 rval = EXT_STATUS_DATA_UNDERRUN; 3084 break; 3085 3086 case CS_BIDIR_DMA: 3087 ql_dbg(ql_dbg_user, vha, 0x70b9, 3088 "Command completed with data DMA error thread_id=%d\n", 3089 thread_id); 3090 rval = EXT_STATUS_DMA_ERR; 3091 break; 3092 3093 case CS_TIMEOUT: 3094 ql_dbg(ql_dbg_user, vha, 0x70ba, 3095 "Command completed with timeout thread_id=%d\n", 3096 thread_id); 3097 rval = EXT_STATUS_TIMEOUT; 3098 break; 3099 default: 3100 ql_dbg(ql_dbg_user, vha, 0x70bb, 3101 "Command completed with completion status=0x%x " 3102 "thread_id=%d\n", comp_status, thread_id); 3103 rval = EXT_STATUS_ERR; 3104 break; 3105 } 3106 bsg_reply->reply_payload_rcv_len = 0; 3107 3108 done: 3109 /* Return the vendor specific reply to API */ 3110 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 3111 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 3112 /* Always return DID_OK, bsg will send the vendor specific response 3113 * in this case only */ 3114 sp->done(sp, DID_OK << 16); 3115 3116 } 3117 3118 /** 3119 * qla2x00_status_entry() - Process a Status IOCB entry. 3120 * @vha: SCSI driver HA context 3121 * @rsp: response queue 3122 * @pkt: Entry pointer 3123 */ 3124 static void 3125 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 3126 { 3127 srb_t *sp; 3128 fc_port_t *fcport; 3129 struct scsi_cmnd *cp; 3130 sts_entry_t *sts = pkt; 3131 struct sts_entry_24xx *sts24 = pkt; 3132 uint16_t comp_status; 3133 uint16_t scsi_status; 3134 uint16_t ox_id; 3135 uint8_t lscsi_status; 3136 int32_t resid; 3137 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 3138 fw_resid_len; 3139 uint8_t *rsp_info, *sense_data; 3140 struct qla_hw_data *ha = vha->hw; 3141 uint32_t handle; 3142 uint16_t que; 3143 struct req_que *req; 3144 int logit = 1; 3145 int res = 0; 3146 uint16_t state_flags = 0; 3147 uint16_t sts_qual = 0; 3148 3149 if (IS_FWI2_CAPABLE(ha)) { 3150 comp_status = le16_to_cpu(sts24->comp_status); 3151 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 3152 state_flags = le16_to_cpu(sts24->state_flags); 3153 } else { 3154 comp_status = le16_to_cpu(sts->comp_status); 3155 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 3156 } 3157 handle = (uint32_t) LSW(sts->handle); 3158 que = MSW(sts->handle); 3159 req = ha->req_q_map[que]; 3160 3161 /* Check for invalid queue pointer */ 3162 if (req == NULL || 3163 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 3164 ql_dbg(ql_dbg_io, vha, 0x3059, 3165 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 3166 "que=%u.\n", sts->handle, req, que); 3167 return; 3168 } 3169 3170 /* Validate handle. */ 3171 if (handle < req->num_outstanding_cmds) { 3172 sp = req->outstanding_cmds[handle]; 3173 if (!sp) { 3174 ql_dbg(ql_dbg_io, vha, 0x3075, 3175 "%s(%ld): Already returned command for status handle (0x%x).\n", 3176 __func__, vha->host_no, sts->handle); 3177 return; 3178 } 3179 } else { 3180 ql_dbg(ql_dbg_io, vha, 0x3017, 3181 "Invalid status handle, out of range (0x%x).\n", 3182 sts->handle); 3183 3184 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 3185 if (IS_P3P_TYPE(ha)) 3186 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 3187 else 3188 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3189 qla2xxx_wake_dpc(vha); 3190 } 3191 return; 3192 } 3193 qla_put_iocbs(sp->qpair, &sp->iores); 3194 3195 if (sp->cmd_type != TYPE_SRB) { 3196 req->outstanding_cmds[handle] = NULL; 3197 ql_dbg(ql_dbg_io, vha, 0x3015, 3198 "Unknown sp->cmd_type %x %p).\n", 3199 sp->cmd_type, sp); 3200 return; 3201 } 3202 3203 /* NVME completion. */ 3204 if (sp->type == SRB_NVME_CMD) { 3205 req->outstanding_cmds[handle] = NULL; 3206 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 3207 return; 3208 } 3209 3210 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 3211 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 3212 return; 3213 } 3214 3215 /* Task Management completion. */ 3216 if (sp->type == SRB_TM_CMD) { 3217 qla24xx_tm_iocb_entry(vha, req, pkt); 3218 return; 3219 } 3220 3221 /* Fast path completion. */ 3222 qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24); 3223 sp->qpair->cmd_completion_cnt++; 3224 3225 if (comp_status == CS_COMPLETE && scsi_status == 0) { 3226 qla2x00_process_completed_request(vha, req, handle); 3227 3228 return; 3229 } 3230 3231 req->outstanding_cmds[handle] = NULL; 3232 cp = GET_CMD_SP(sp); 3233 if (cp == NULL) { 3234 ql_dbg(ql_dbg_io, vha, 0x3018, 3235 "Command already returned (0x%x/%p).\n", 3236 sts->handle, sp); 3237 3238 return; 3239 } 3240 3241 lscsi_status = scsi_status & STATUS_MASK; 3242 3243 fcport = sp->fcport; 3244 3245 ox_id = 0; 3246 sense_len = par_sense_len = rsp_info_len = resid_len = 3247 fw_resid_len = 0; 3248 if (IS_FWI2_CAPABLE(ha)) { 3249 if (scsi_status & SS_SENSE_LEN_VALID) 3250 sense_len = le32_to_cpu(sts24->sense_len); 3251 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 3252 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 3253 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 3254 resid_len = le32_to_cpu(sts24->rsp_residual_count); 3255 if (comp_status == CS_DATA_UNDERRUN) 3256 fw_resid_len = le32_to_cpu(sts24->residual_len); 3257 rsp_info = sts24->data; 3258 sense_data = sts24->data; 3259 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 3260 ox_id = le16_to_cpu(sts24->ox_id); 3261 par_sense_len = sizeof(sts24->data); 3262 sts_qual = le16_to_cpu(sts24->status_qualifier); 3263 } else { 3264 if (scsi_status & SS_SENSE_LEN_VALID) 3265 sense_len = le16_to_cpu(sts->req_sense_length); 3266 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 3267 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 3268 resid_len = le32_to_cpu(sts->residual_length); 3269 rsp_info = sts->rsp_info; 3270 sense_data = sts->req_sense_data; 3271 par_sense_len = sizeof(sts->req_sense_data); 3272 } 3273 3274 /* Check for any FCP transport errors. */ 3275 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 3276 /* Sense data lies beyond any FCP RESPONSE data. */ 3277 if (IS_FWI2_CAPABLE(ha)) { 3278 sense_data += rsp_info_len; 3279 par_sense_len -= rsp_info_len; 3280 } 3281 if (rsp_info_len > 3 && rsp_info[3]) { 3282 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 3283 "FCP I/O protocol failure (0x%x/0x%x).\n", 3284 rsp_info_len, rsp_info[3]); 3285 3286 res = DID_BUS_BUSY << 16; 3287 goto out; 3288 } 3289 } 3290 3291 /* Check for overrun. */ 3292 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 3293 scsi_status & SS_RESIDUAL_OVER) 3294 comp_status = CS_DATA_OVERRUN; 3295 3296 /* 3297 * Check retry_delay_timer value if we receive a busy or 3298 * queue full. 3299 */ 3300 if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL || 3301 lscsi_status == SAM_STAT_BUSY)) 3302 qla2x00_set_retry_delay_timestamp(fcport, sts_qual); 3303 3304 /* 3305 * Based on Host and scsi status generate status code for Linux 3306 */ 3307 switch (comp_status) { 3308 case CS_COMPLETE: 3309 case CS_QUEUE_FULL: 3310 if (scsi_status == 0) { 3311 res = DID_OK << 16; 3312 break; 3313 } 3314 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 3315 resid = resid_len; 3316 scsi_set_resid(cp, resid); 3317 3318 if (!lscsi_status && 3319 ((unsigned)(scsi_bufflen(cp) - resid) < 3320 cp->underflow)) { 3321 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 3322 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 3323 resid, scsi_bufflen(cp)); 3324 3325 res = DID_ERROR << 16; 3326 break; 3327 } 3328 } 3329 res = DID_OK << 16 | lscsi_status; 3330 3331 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 3332 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 3333 "QUEUE FULL detected.\n"); 3334 break; 3335 } 3336 logit = 0; 3337 if (lscsi_status != SS_CHECK_CONDITION) 3338 break; 3339 3340 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 3341 if (!(scsi_status & SS_SENSE_LEN_VALID)) 3342 break; 3343 3344 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 3345 rsp, res); 3346 break; 3347 3348 case CS_DATA_UNDERRUN: 3349 /* Use F/W calculated residual length. */ 3350 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 3351 scsi_set_resid(cp, resid); 3352 if (scsi_status & SS_RESIDUAL_UNDER) { 3353 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 3354 ql_log(ql_log_warn, fcport->vha, 0x301d, 3355 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 3356 resid, scsi_bufflen(cp)); 3357 3358 vha->interface_err_cnt++; 3359 3360 res = DID_ERROR << 16 | lscsi_status; 3361 goto check_scsi_status; 3362 } 3363 3364 if (!lscsi_status && 3365 ((unsigned)(scsi_bufflen(cp) - resid) < 3366 cp->underflow)) { 3367 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 3368 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 3369 resid, scsi_bufflen(cp)); 3370 3371 res = DID_ERROR << 16; 3372 break; 3373 } 3374 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 3375 lscsi_status != SAM_STAT_BUSY) { 3376 /* 3377 * scsi status of task set and busy are considered to be 3378 * task not completed. 3379 */ 3380 3381 ql_log(ql_log_warn, fcport->vha, 0x301f, 3382 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 3383 resid, scsi_bufflen(cp)); 3384 3385 vha->interface_err_cnt++; 3386 3387 res = DID_ERROR << 16 | lscsi_status; 3388 goto check_scsi_status; 3389 } else { 3390 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 3391 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 3392 scsi_status, lscsi_status); 3393 } 3394 3395 res = DID_OK << 16 | lscsi_status; 3396 logit = 0; 3397 3398 check_scsi_status: 3399 /* 3400 * Check to see if SCSI Status is non zero. If so report SCSI 3401 * Status. 3402 */ 3403 if (lscsi_status != 0) { 3404 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 3405 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 3406 "QUEUE FULL detected.\n"); 3407 logit = 1; 3408 break; 3409 } 3410 if (lscsi_status != SS_CHECK_CONDITION) 3411 break; 3412 3413 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 3414 if (!(scsi_status & SS_SENSE_LEN_VALID)) 3415 break; 3416 3417 qla2x00_handle_sense(sp, sense_data, par_sense_len, 3418 sense_len, rsp, res); 3419 } 3420 break; 3421 3422 case CS_PORT_LOGGED_OUT: 3423 case CS_PORT_CONFIG_CHG: 3424 case CS_PORT_BUSY: 3425 case CS_INCOMPLETE: 3426 case CS_PORT_UNAVAILABLE: 3427 case CS_TIMEOUT: 3428 case CS_RESET: 3429 3430 /* 3431 * We are going to have the fc class block the rport 3432 * while we try to recover so instruct the mid layer 3433 * to requeue until the class decides how to handle this. 3434 */ 3435 res = DID_TRANSPORT_DISRUPTED << 16; 3436 3437 if (comp_status == CS_TIMEOUT) { 3438 if (IS_FWI2_CAPABLE(ha)) 3439 break; 3440 else if ((le16_to_cpu(sts->status_flags) & 3441 SF_LOGOUT_SENT) == 0) 3442 break; 3443 } 3444 3445 if (atomic_read(&fcport->state) == FCS_ONLINE) { 3446 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 3447 "Port to be marked lost on fcport=%02x%02x%02x, current " 3448 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 3449 fcport->d_id.b.area, fcport->d_id.b.al_pa, 3450 port_state_str[FCS_ONLINE], 3451 comp_status); 3452 3453 qlt_schedule_sess_for_deletion(fcport); 3454 } 3455 3456 break; 3457 3458 case CS_ABORTED: 3459 res = DID_RESET << 16; 3460 break; 3461 3462 case CS_DIF_ERROR: 3463 logit = qla2x00_handle_dif_error(sp, sts24); 3464 res = cp->result; 3465 break; 3466 3467 case CS_TRANSPORT: 3468 res = DID_ERROR << 16; 3469 vha->hw_err_cnt++; 3470 3471 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 3472 break; 3473 3474 if (state_flags & BIT_4) 3475 scmd_printk(KERN_WARNING, cp, 3476 "Unsupported device '%s' found.\n", 3477 cp->device->vendor); 3478 break; 3479 3480 case CS_DMA: 3481 ql_log(ql_log_info, fcport->vha, 0x3022, 3482 "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", 3483 comp_status, scsi_status, res, vha->host_no, 3484 cp->device->id, cp->device->lun, fcport->d_id.b24, 3485 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 3486 resid_len, fw_resid_len, sp, cp); 3487 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 3488 pkt, sizeof(*sts24)); 3489 res = DID_ERROR << 16; 3490 vha->hw_err_cnt++; 3491 break; 3492 default: 3493 res = DID_ERROR << 16; 3494 break; 3495 } 3496 3497 out: 3498 if (logit) 3499 ql_log(ql_dbg_io, fcport->vha, 0x3022, 3500 "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", 3501 comp_status, scsi_status, res, vha->host_no, 3502 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 3503 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 3504 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 3505 resid_len, fw_resid_len, sp, cp); 3506 3507 if (rsp->status_srb == NULL) 3508 sp->done(sp, res); 3509 } 3510 3511 /** 3512 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 3513 * @rsp: response queue 3514 * @pkt: Entry pointer 3515 * 3516 * Extended sense data. 3517 */ 3518 static void 3519 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 3520 { 3521 uint8_t sense_sz = 0; 3522 struct qla_hw_data *ha = rsp->hw; 3523 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 3524 srb_t *sp = rsp->status_srb; 3525 struct scsi_cmnd *cp; 3526 uint32_t sense_len; 3527 uint8_t *sense_ptr; 3528 3529 if (!sp || !GET_CMD_SENSE_LEN(sp)) 3530 return; 3531 3532 sense_len = GET_CMD_SENSE_LEN(sp); 3533 sense_ptr = GET_CMD_SENSE_PTR(sp); 3534 3535 cp = GET_CMD_SP(sp); 3536 if (cp == NULL) { 3537 ql_log(ql_log_warn, vha, 0x3025, 3538 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 3539 3540 rsp->status_srb = NULL; 3541 return; 3542 } 3543 3544 if (sense_len > sizeof(pkt->data)) 3545 sense_sz = sizeof(pkt->data); 3546 else 3547 sense_sz = sense_len; 3548 3549 /* Move sense data. */ 3550 if (IS_FWI2_CAPABLE(ha)) 3551 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 3552 memcpy(sense_ptr, pkt->data, sense_sz); 3553 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 3554 sense_ptr, sense_sz); 3555 3556 sense_len -= sense_sz; 3557 sense_ptr += sense_sz; 3558 3559 SET_CMD_SENSE_PTR(sp, sense_ptr); 3560 SET_CMD_SENSE_LEN(sp, sense_len); 3561 3562 /* Place command on done queue. */ 3563 if (sense_len == 0) { 3564 rsp->status_srb = NULL; 3565 sp->done(sp, cp->result); 3566 } 3567 } 3568 3569 /** 3570 * qla2x00_error_entry() - Process an error entry. 3571 * @vha: SCSI driver HA context 3572 * @rsp: response queue 3573 * @pkt: Entry pointer 3574 * return : 1=allow further error analysis. 0=no additional error analysis. 3575 */ 3576 static int 3577 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 3578 { 3579 srb_t *sp; 3580 struct qla_hw_data *ha = vha->hw; 3581 const char func[] = "ERROR-IOCB"; 3582 uint16_t que = MSW(pkt->handle); 3583 struct req_que *req = NULL; 3584 int res = DID_ERROR << 16; 3585 3586 ql_dbg(ql_dbg_async, vha, 0x502a, 3587 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 3588 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 3589 3590 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 3591 goto fatal; 3592 3593 req = ha->req_q_map[que]; 3594 3595 if (pkt->entry_status & RF_BUSY) 3596 res = DID_BUS_BUSY << 16; 3597 3598 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 3599 return 0; 3600 3601 switch (pkt->entry_type) { 3602 case NOTIFY_ACK_TYPE: 3603 case STATUS_TYPE: 3604 case STATUS_CONT_TYPE: 3605 case LOGINOUT_PORT_IOCB_TYPE: 3606 case CT_IOCB_TYPE: 3607 case ELS_IOCB_TYPE: 3608 case ABORT_IOCB_TYPE: 3609 case MBX_IOCB_TYPE: 3610 default: 3611 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3612 if (sp) { 3613 qla_put_iocbs(sp->qpair, &sp->iores); 3614 sp->done(sp, res); 3615 return 0; 3616 } 3617 break; 3618 3619 case SA_UPDATE_IOCB_TYPE: 3620 case ABTS_RESP_24XX: 3621 case CTIO_TYPE7: 3622 case CTIO_CRC2: 3623 return 1; 3624 } 3625 fatal: 3626 ql_log(ql_log_warn, vha, 0x5030, 3627 "Error entry - invalid handle/queue (%04x).\n", que); 3628 return 0; 3629 } 3630 3631 /** 3632 * qla24xx_mbx_completion() - Process mailbox command completions. 3633 * @vha: SCSI driver HA context 3634 * @mb0: Mailbox0 register 3635 */ 3636 static void 3637 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 3638 { 3639 uint16_t cnt; 3640 uint32_t mboxes; 3641 __le16 __iomem *wptr; 3642 struct qla_hw_data *ha = vha->hw; 3643 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3644 3645 /* Read all mbox registers? */ 3646 WARN_ON_ONCE(ha->mbx_count > 32); 3647 mboxes = (1ULL << ha->mbx_count) - 1; 3648 if (!ha->mcp) 3649 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 3650 else 3651 mboxes = ha->mcp->in_mb; 3652 3653 /* Load return mailbox registers. */ 3654 ha->flags.mbox_int = 1; 3655 ha->mailbox_out[0] = mb0; 3656 mboxes >>= 1; 3657 wptr = ®->mailbox1; 3658 3659 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 3660 if (mboxes & BIT_0) 3661 ha->mailbox_out[cnt] = rd_reg_word(wptr); 3662 3663 mboxes >>= 1; 3664 wptr++; 3665 } 3666 } 3667 3668 static void 3669 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 3670 struct abort_entry_24xx *pkt) 3671 { 3672 const char func[] = "ABT_IOCB"; 3673 srb_t *sp; 3674 srb_t *orig_sp = NULL; 3675 struct srb_iocb *abt; 3676 3677 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3678 if (!sp) 3679 return; 3680 3681 abt = &sp->u.iocb_cmd; 3682 abt->u.abt.comp_status = pkt->comp_status; 3683 orig_sp = sp->cmd_sp; 3684 /* Need to pass original sp */ 3685 if (orig_sp) 3686 qla_nvme_abort_process_comp_status(pkt, orig_sp); 3687 3688 sp->done(sp, 0); 3689 } 3690 3691 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 3692 struct pt_ls4_request *pkt, struct req_que *req) 3693 { 3694 srb_t *sp; 3695 const char func[] = "LS4_IOCB"; 3696 uint16_t comp_status; 3697 3698 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3699 if (!sp) 3700 return; 3701 3702 comp_status = le16_to_cpu(pkt->status); 3703 sp->done(sp, comp_status); 3704 } 3705 3706 /** 3707 * qla_chk_cont_iocb_avail - check for all continuation iocbs are available 3708 * before iocb processing can start. 3709 * @vha: host adapter pointer 3710 * @rsp: respond queue 3711 * @pkt: head iocb describing how many continuation iocb 3712 * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived. 3713 */ 3714 static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha, 3715 struct rsp_que *rsp, response_t *pkt) 3716 { 3717 int start_pkt_ring_index, end_pkt_ring_index, n_ring_index; 3718 response_t *end_pkt; 3719 int rc = 0; 3720 u32 rsp_q_in; 3721 3722 if (pkt->entry_count == 1) 3723 return rc; 3724 3725 /* ring_index was pre-increment. set it back to current pkt */ 3726 if (rsp->ring_index == 0) 3727 start_pkt_ring_index = rsp->length - 1; 3728 else 3729 start_pkt_ring_index = rsp->ring_index - 1; 3730 3731 if ((start_pkt_ring_index + pkt->entry_count) >= rsp->length) 3732 end_pkt_ring_index = start_pkt_ring_index + pkt->entry_count - 3733 rsp->length - 1; 3734 else 3735 end_pkt_ring_index = start_pkt_ring_index + pkt->entry_count - 1; 3736 3737 end_pkt = rsp->ring + end_pkt_ring_index; 3738 3739 /* next pkt = end_pkt + 1 */ 3740 n_ring_index = end_pkt_ring_index + 1; 3741 if (n_ring_index >= rsp->length) 3742 n_ring_index = 0; 3743 3744 rsp_q_in = rsp->qpair->use_shadow_reg ? *rsp->in_ptr : 3745 rd_reg_dword(rsp->rsp_q_in); 3746 3747 /* rsp_q_in is either wrapped or pointing beyond endpkt */ 3748 if ((rsp_q_in < start_pkt_ring_index && rsp_q_in < n_ring_index) || 3749 rsp_q_in >= n_ring_index) 3750 /* all IOCBs arrived. */ 3751 rc = 0; 3752 else 3753 rc = -EIO; 3754 3755 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x5091, 3756 "%s - ring %p pkt %p end pkt %p entry count %#x rsp_q_in %d rc %d\n", 3757 __func__, rsp->ring, pkt, end_pkt, pkt->entry_count, 3758 rsp_q_in, rc); 3759 3760 return rc; 3761 } 3762 3763 /** 3764 * qla24xx_process_response_queue() - Process response queue entries. 3765 * @vha: SCSI driver HA context 3766 * @rsp: response queue 3767 */ 3768 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 3769 struct rsp_que *rsp) 3770 { 3771 struct sts_entry_24xx *pkt; 3772 struct qla_hw_data *ha = vha->hw; 3773 struct purex_entry_24xx *purex_entry; 3774 struct purex_item *pure_item; 3775 3776 if (!ha->flags.fw_started) 3777 return; 3778 3779 if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) { 3780 rsp->qpair->rcv_intr = 1; 3781 qla_cpu_update(rsp->qpair, smp_processor_id()); 3782 } 3783 3784 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 3785 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 3786 3787 rsp->ring_index++; 3788 if (rsp->ring_index == rsp->length) { 3789 rsp->ring_index = 0; 3790 rsp->ring_ptr = rsp->ring; 3791 } else { 3792 rsp->ring_ptr++; 3793 } 3794 3795 if (pkt->entry_status != 0) { 3796 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 3797 goto process_err; 3798 3799 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3800 wmb(); 3801 continue; 3802 } 3803 process_err: 3804 3805 switch (pkt->entry_type) { 3806 case STATUS_TYPE: 3807 qla2x00_status_entry(vha, rsp, pkt); 3808 break; 3809 case STATUS_CONT_TYPE: 3810 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 3811 break; 3812 case VP_RPT_ID_IOCB_TYPE: 3813 qla24xx_report_id_acquisition(vha, 3814 (struct vp_rpt_id_entry_24xx *)pkt); 3815 break; 3816 case LOGINOUT_PORT_IOCB_TYPE: 3817 qla24xx_logio_entry(vha, rsp->req, 3818 (struct logio_entry_24xx *)pkt); 3819 break; 3820 case CT_IOCB_TYPE: 3821 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 3822 break; 3823 case ELS_IOCB_TYPE: 3824 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 3825 break; 3826 case ABTS_RECV_24XX: 3827 if (qla_ini_mode_enabled(vha)) { 3828 pure_item = qla24xx_copy_std_pkt(vha, pkt); 3829 if (!pure_item) 3830 break; 3831 qla24xx_queue_purex_item(vha, pure_item, 3832 qla24xx_process_abts); 3833 break; 3834 } 3835 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || 3836 IS_QLA28XX(ha)) { 3837 /* ensure that the ATIO queue is empty */ 3838 qlt_handle_abts_recv(vha, rsp, 3839 (response_t *)pkt); 3840 break; 3841 } else { 3842 qlt_24xx_process_atio_queue(vha, 1); 3843 } 3844 fallthrough; 3845 case ABTS_RESP_24XX: 3846 case CTIO_TYPE7: 3847 case CTIO_CRC2: 3848 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3849 break; 3850 case PT_LS4_REQUEST: 3851 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3852 rsp->req); 3853 break; 3854 case NOTIFY_ACK_TYPE: 3855 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3856 qlt_response_pkt_all_vps(vha, rsp, 3857 (response_t *)pkt); 3858 else 3859 qla24xxx_nack_iocb_entry(vha, rsp->req, 3860 (struct nack_to_isp *)pkt); 3861 break; 3862 case MARKER_TYPE: 3863 /* Do nothing in this case, this check is to prevent it 3864 * from falling into default case 3865 */ 3866 break; 3867 case ABORT_IOCB_TYPE: 3868 qla24xx_abort_iocb_entry(vha, rsp->req, 3869 (struct abort_entry_24xx *)pkt); 3870 break; 3871 case MBX_IOCB_TYPE: 3872 qla24xx_mbx_iocb_entry(vha, rsp->req, 3873 (struct mbx_24xx_entry *)pkt); 3874 break; 3875 case VP_CTRL_IOCB_TYPE: 3876 qla_ctrlvp_completed(vha, rsp->req, 3877 (struct vp_ctrl_entry_24xx *)pkt); 3878 break; 3879 case PUREX_IOCB_TYPE: 3880 purex_entry = (void *)pkt; 3881 switch (purex_entry->els_frame_payload[3]) { 3882 case ELS_RDP: 3883 pure_item = qla24xx_copy_std_pkt(vha, pkt); 3884 if (!pure_item) 3885 break; 3886 qla24xx_queue_purex_item(vha, pure_item, 3887 qla24xx_process_purex_rdp); 3888 break; 3889 case ELS_FPIN: 3890 if (!vha->hw->flags.scm_enabled) { 3891 ql_log(ql_log_warn, vha, 0x5094, 3892 "SCM not active for this port\n"); 3893 break; 3894 } 3895 pure_item = qla27xx_copy_fpin_pkt(vha, 3896 (void **)&pkt, &rsp); 3897 if (!pure_item) 3898 break; 3899 qla24xx_queue_purex_item(vha, pure_item, 3900 qla27xx_process_purex_fpin); 3901 break; 3902 3903 case ELS_AUTH_ELS: 3904 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt)) { 3905 ql_dbg(ql_dbg_init, vha, 0x5091, 3906 "Defer processing ELS opcode %#x...\n", 3907 purex_entry->els_frame_payload[3]); 3908 return; 3909 } 3910 qla24xx_auth_els(vha, (void **)&pkt, &rsp); 3911 break; 3912 default: 3913 ql_log(ql_log_warn, vha, 0x509c, 3914 "Discarding ELS Request opcode 0x%x\n", 3915 purex_entry->els_frame_payload[3]); 3916 } 3917 break; 3918 case SA_UPDATE_IOCB_TYPE: 3919 qla28xx_sa_update_iocb_entry(vha, rsp->req, 3920 (struct sa_update_28xx *)pkt); 3921 break; 3922 3923 default: 3924 /* Type Not Supported. */ 3925 ql_dbg(ql_dbg_async, vha, 0x5042, 3926 "Received unknown response pkt type 0x%x entry status=%x.\n", 3927 pkt->entry_type, pkt->entry_status); 3928 break; 3929 } 3930 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3931 wmb(); 3932 } 3933 3934 /* Adjust ring index */ 3935 if (IS_P3P_TYPE(ha)) { 3936 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3937 3938 wrt_reg_dword(®->rsp_q_out[0], rsp->ring_index); 3939 } else { 3940 wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index); 3941 } 3942 } 3943 3944 static void 3945 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3946 { 3947 int rval; 3948 uint32_t cnt; 3949 struct qla_hw_data *ha = vha->hw; 3950 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3951 3952 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3953 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3954 return; 3955 3956 rval = QLA_SUCCESS; 3957 wrt_reg_dword(®->iobase_addr, 0x7C00); 3958 rd_reg_dword(®->iobase_addr); 3959 wrt_reg_dword(®->iobase_window, 0x0001); 3960 for (cnt = 10000; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && 3961 rval == QLA_SUCCESS; cnt--) { 3962 if (cnt) { 3963 wrt_reg_dword(®->iobase_window, 0x0001); 3964 udelay(10); 3965 } else 3966 rval = QLA_FUNCTION_TIMEOUT; 3967 } 3968 if (rval == QLA_SUCCESS) 3969 goto next_test; 3970 3971 rval = QLA_SUCCESS; 3972 wrt_reg_dword(®->iobase_window, 0x0003); 3973 for (cnt = 100; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && 3974 rval == QLA_SUCCESS; cnt--) { 3975 if (cnt) { 3976 wrt_reg_dword(®->iobase_window, 0x0003); 3977 udelay(10); 3978 } else 3979 rval = QLA_FUNCTION_TIMEOUT; 3980 } 3981 if (rval != QLA_SUCCESS) 3982 goto done; 3983 3984 next_test: 3985 if (rd_reg_dword(®->iobase_c8) & BIT_3) 3986 ql_log(ql_log_info, vha, 0x504c, 3987 "Additional code -- 0x55AA.\n"); 3988 3989 done: 3990 wrt_reg_dword(®->iobase_window, 0x0000); 3991 rd_reg_dword(®->iobase_window); 3992 } 3993 3994 /** 3995 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3996 * @irq: interrupt number 3997 * @dev_id: SCSI driver HA context 3998 * 3999 * Called by system whenever the host adapter generates an interrupt. 4000 * 4001 * Returns handled flag. 4002 */ 4003 irqreturn_t 4004 qla24xx_intr_handler(int irq, void *dev_id) 4005 { 4006 scsi_qla_host_t *vha; 4007 struct qla_hw_data *ha; 4008 struct device_reg_24xx __iomem *reg; 4009 int status; 4010 unsigned long iter; 4011 uint32_t stat; 4012 uint32_t hccr; 4013 uint16_t mb[8]; 4014 struct rsp_que *rsp; 4015 unsigned long flags; 4016 bool process_atio = false; 4017 4018 rsp = (struct rsp_que *) dev_id; 4019 if (!rsp) { 4020 ql_log(ql_log_info, NULL, 0x5059, 4021 "%s: NULL response queue pointer.\n", __func__); 4022 return IRQ_NONE; 4023 } 4024 4025 ha = rsp->hw; 4026 reg = &ha->iobase->isp24; 4027 status = 0; 4028 4029 if (unlikely(pci_channel_offline(ha->pdev))) 4030 return IRQ_HANDLED; 4031 4032 spin_lock_irqsave(&ha->hardware_lock, flags); 4033 vha = pci_get_drvdata(ha->pdev); 4034 for (iter = 50; iter--; ) { 4035 stat = rd_reg_dword(®->host_status); 4036 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 4037 break; 4038 if (stat & HSRX_RISC_PAUSED) { 4039 if (unlikely(pci_channel_offline(ha->pdev))) 4040 break; 4041 4042 hccr = rd_reg_dword(®->hccr); 4043 4044 ql_log(ql_log_warn, vha, 0x504b, 4045 "RISC paused -- HCCR=%x, Dumping firmware.\n", 4046 hccr); 4047 4048 qla2xxx_check_risc_status(vha); 4049 4050 ha->isp_ops->fw_dump(vha); 4051 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 4052 break; 4053 } else if ((stat & HSRX_RISC_INT) == 0) 4054 break; 4055 4056 switch (stat & 0xff) { 4057 case INTR_ROM_MB_SUCCESS: 4058 case INTR_ROM_MB_FAILED: 4059 case INTR_MB_SUCCESS: 4060 case INTR_MB_FAILED: 4061 qla24xx_mbx_completion(vha, MSW(stat)); 4062 status |= MBX_INTERRUPT; 4063 4064 break; 4065 case INTR_ASYNC_EVENT: 4066 mb[0] = MSW(stat); 4067 mb[1] = rd_reg_word(®->mailbox1); 4068 mb[2] = rd_reg_word(®->mailbox2); 4069 mb[3] = rd_reg_word(®->mailbox3); 4070 qla2x00_async_event(vha, rsp, mb); 4071 break; 4072 case INTR_RSP_QUE_UPDATE: 4073 case INTR_RSP_QUE_UPDATE_83XX: 4074 qla24xx_process_response_queue(vha, rsp); 4075 break; 4076 case INTR_ATIO_QUE_UPDATE_27XX: 4077 case INTR_ATIO_QUE_UPDATE: 4078 process_atio = true; 4079 break; 4080 case INTR_ATIO_RSP_QUE_UPDATE: 4081 process_atio = true; 4082 qla24xx_process_response_queue(vha, rsp); 4083 break; 4084 default: 4085 ql_dbg(ql_dbg_async, vha, 0x504f, 4086 "Unrecognized interrupt type (%d).\n", stat * 0xff); 4087 break; 4088 } 4089 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4090 rd_reg_dword_relaxed(®->hccr); 4091 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 4092 ndelay(3500); 4093 } 4094 qla2x00_handle_mbx_completion(ha, status); 4095 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4096 4097 if (process_atio) { 4098 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 4099 qlt_24xx_process_atio_queue(vha, 0); 4100 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 4101 } 4102 4103 return IRQ_HANDLED; 4104 } 4105 4106 static irqreturn_t 4107 qla24xx_msix_rsp_q(int irq, void *dev_id) 4108 { 4109 struct qla_hw_data *ha; 4110 struct rsp_que *rsp; 4111 struct device_reg_24xx __iomem *reg; 4112 struct scsi_qla_host *vha; 4113 unsigned long flags; 4114 4115 rsp = (struct rsp_que *) dev_id; 4116 if (!rsp) { 4117 ql_log(ql_log_info, NULL, 0x505a, 4118 "%s: NULL response queue pointer.\n", __func__); 4119 return IRQ_NONE; 4120 } 4121 ha = rsp->hw; 4122 reg = &ha->iobase->isp24; 4123 4124 spin_lock_irqsave(&ha->hardware_lock, flags); 4125 4126 vha = pci_get_drvdata(ha->pdev); 4127 qla24xx_process_response_queue(vha, rsp); 4128 if (!ha->flags.disable_msix_handshake) { 4129 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4130 rd_reg_dword_relaxed(®->hccr); 4131 } 4132 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4133 4134 return IRQ_HANDLED; 4135 } 4136 4137 static irqreturn_t 4138 qla24xx_msix_default(int irq, void *dev_id) 4139 { 4140 scsi_qla_host_t *vha; 4141 struct qla_hw_data *ha; 4142 struct rsp_que *rsp; 4143 struct device_reg_24xx __iomem *reg; 4144 int status; 4145 uint32_t stat; 4146 uint32_t hccr; 4147 uint16_t mb[8]; 4148 unsigned long flags; 4149 bool process_atio = false; 4150 4151 rsp = (struct rsp_que *) dev_id; 4152 if (!rsp) { 4153 ql_log(ql_log_info, NULL, 0x505c, 4154 "%s: NULL response queue pointer.\n", __func__); 4155 return IRQ_NONE; 4156 } 4157 ha = rsp->hw; 4158 reg = &ha->iobase->isp24; 4159 status = 0; 4160 4161 spin_lock_irqsave(&ha->hardware_lock, flags); 4162 vha = pci_get_drvdata(ha->pdev); 4163 do { 4164 stat = rd_reg_dword(®->host_status); 4165 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 4166 break; 4167 if (stat & HSRX_RISC_PAUSED) { 4168 if (unlikely(pci_channel_offline(ha->pdev))) 4169 break; 4170 4171 hccr = rd_reg_dword(®->hccr); 4172 4173 ql_log(ql_log_info, vha, 0x5050, 4174 "RISC paused -- HCCR=%x, Dumping firmware.\n", 4175 hccr); 4176 4177 qla2xxx_check_risc_status(vha); 4178 vha->hw_err_cnt++; 4179 4180 ha->isp_ops->fw_dump(vha); 4181 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 4182 break; 4183 } else if ((stat & HSRX_RISC_INT) == 0) 4184 break; 4185 4186 switch (stat & 0xff) { 4187 case INTR_ROM_MB_SUCCESS: 4188 case INTR_ROM_MB_FAILED: 4189 case INTR_MB_SUCCESS: 4190 case INTR_MB_FAILED: 4191 qla24xx_mbx_completion(vha, MSW(stat)); 4192 status |= MBX_INTERRUPT; 4193 4194 break; 4195 case INTR_ASYNC_EVENT: 4196 mb[0] = MSW(stat); 4197 mb[1] = rd_reg_word(®->mailbox1); 4198 mb[2] = rd_reg_word(®->mailbox2); 4199 mb[3] = rd_reg_word(®->mailbox3); 4200 qla2x00_async_event(vha, rsp, mb); 4201 break; 4202 case INTR_RSP_QUE_UPDATE: 4203 case INTR_RSP_QUE_UPDATE_83XX: 4204 qla24xx_process_response_queue(vha, rsp); 4205 break; 4206 case INTR_ATIO_QUE_UPDATE_27XX: 4207 case INTR_ATIO_QUE_UPDATE: 4208 process_atio = true; 4209 break; 4210 case INTR_ATIO_RSP_QUE_UPDATE: 4211 process_atio = true; 4212 qla24xx_process_response_queue(vha, rsp); 4213 break; 4214 default: 4215 ql_dbg(ql_dbg_async, vha, 0x5051, 4216 "Unrecognized interrupt type (%d).\n", stat & 0xff); 4217 break; 4218 } 4219 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4220 } while (0); 4221 qla2x00_handle_mbx_completion(ha, status); 4222 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4223 4224 if (process_atio) { 4225 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 4226 qlt_24xx_process_atio_queue(vha, 0); 4227 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 4228 } 4229 4230 return IRQ_HANDLED; 4231 } 4232 4233 irqreturn_t 4234 qla2xxx_msix_rsp_q(int irq, void *dev_id) 4235 { 4236 struct qla_hw_data *ha; 4237 struct qla_qpair *qpair; 4238 4239 qpair = dev_id; 4240 if (!qpair) { 4241 ql_log(ql_log_info, NULL, 0x505b, 4242 "%s: NULL response queue pointer.\n", __func__); 4243 return IRQ_NONE; 4244 } 4245 ha = qpair->hw; 4246 4247 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); 4248 4249 return IRQ_HANDLED; 4250 } 4251 4252 irqreturn_t 4253 qla2xxx_msix_rsp_q_hs(int irq, void *dev_id) 4254 { 4255 struct qla_hw_data *ha; 4256 struct qla_qpair *qpair; 4257 struct device_reg_24xx __iomem *reg; 4258 unsigned long flags; 4259 4260 qpair = dev_id; 4261 if (!qpair) { 4262 ql_log(ql_log_info, NULL, 0x505b, 4263 "%s: NULL response queue pointer.\n", __func__); 4264 return IRQ_NONE; 4265 } 4266 ha = qpair->hw; 4267 4268 reg = &ha->iobase->isp24; 4269 spin_lock_irqsave(&ha->hardware_lock, flags); 4270 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4271 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4272 4273 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); 4274 4275 return IRQ_HANDLED; 4276 } 4277 4278 /* Interrupt handling helpers. */ 4279 4280 struct qla_init_msix_entry { 4281 const char *name; 4282 irq_handler_t handler; 4283 }; 4284 4285 static const struct qla_init_msix_entry msix_entries[] = { 4286 { "default", qla24xx_msix_default }, 4287 { "rsp_q", qla24xx_msix_rsp_q }, 4288 { "atio_q", qla83xx_msix_atio_q }, 4289 { "qpair_multiq", qla2xxx_msix_rsp_q }, 4290 { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs }, 4291 }; 4292 4293 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 4294 { "qla2xxx (default)", qla82xx_msix_default }, 4295 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 4296 }; 4297 4298 static int 4299 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 4300 { 4301 int i, ret; 4302 struct qla_msix_entry *qentry; 4303 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4304 int min_vecs = QLA_BASE_VECTORS; 4305 struct irq_affinity desc = { 4306 .pre_vectors = QLA_BASE_VECTORS, 4307 }; 4308 4309 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 4310 IS_ATIO_MSIX_CAPABLE(ha)) { 4311 desc.pre_vectors++; 4312 min_vecs++; 4313 } 4314 4315 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 4316 /* user wants to control IRQ setting for target mode */ 4317 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 4318 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), 4319 PCI_IRQ_MSIX); 4320 } else 4321 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 4322 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), 4323 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 4324 &desc); 4325 4326 if (ret < 0) { 4327 ql_log(ql_log_fatal, vha, 0x00c7, 4328 "MSI-X: Failed to enable support, " 4329 "giving up -- %d/%d.\n", 4330 ha->msix_count, ret); 4331 goto msix_out; 4332 } else if (ret < ha->msix_count) { 4333 ql_log(ql_log_info, vha, 0x00c6, 4334 "MSI-X: Using %d vectors\n", ret); 4335 ha->msix_count = ret; 4336 /* Recalculate queue values */ 4337 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 4338 ha->max_req_queues = ha->msix_count - 1; 4339 4340 /* ATIOQ needs 1 vector. That's 1 less QPair */ 4341 if (QLA_TGT_MODE_ENABLED()) 4342 ha->max_req_queues--; 4343 4344 ha->max_rsp_queues = ha->max_req_queues; 4345 4346 ha->max_qpairs = ha->max_req_queues - 1; 4347 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 4348 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 4349 } 4350 } 4351 vha->irq_offset = desc.pre_vectors; 4352 ha->msix_entries = kcalloc(ha->msix_count, 4353 sizeof(struct qla_msix_entry), 4354 GFP_KERNEL); 4355 if (!ha->msix_entries) { 4356 ql_log(ql_log_fatal, vha, 0x00c8, 4357 "Failed to allocate memory for ha->msix_entries.\n"); 4358 ret = -ENOMEM; 4359 goto free_irqs; 4360 } 4361 ha->flags.msix_enabled = 1; 4362 4363 for (i = 0; i < ha->msix_count; i++) { 4364 qentry = &ha->msix_entries[i]; 4365 qentry->vector = pci_irq_vector(ha->pdev, i); 4366 qentry->entry = i; 4367 qentry->have_irq = 0; 4368 qentry->in_use = 0; 4369 qentry->handle = NULL; 4370 } 4371 4372 /* Enable MSI-X vectors for the base queue */ 4373 for (i = 0; i < QLA_BASE_VECTORS; i++) { 4374 qentry = &ha->msix_entries[i]; 4375 qentry->handle = rsp; 4376 rsp->msix = qentry; 4377 scnprintf(qentry->name, sizeof(qentry->name), 4378 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 4379 if (IS_P3P_TYPE(ha)) 4380 ret = request_irq(qentry->vector, 4381 qla82xx_msix_entries[i].handler, 4382 0, qla82xx_msix_entries[i].name, rsp); 4383 else 4384 ret = request_irq(qentry->vector, 4385 msix_entries[i].handler, 4386 0, qentry->name, rsp); 4387 if (ret) 4388 goto msix_register_fail; 4389 qentry->have_irq = 1; 4390 qentry->in_use = 1; 4391 } 4392 4393 /* 4394 * If target mode is enable, also request the vector for the ATIO 4395 * queue. 4396 */ 4397 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 4398 IS_ATIO_MSIX_CAPABLE(ha)) { 4399 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 4400 rsp->msix = qentry; 4401 qentry->handle = rsp; 4402 scnprintf(qentry->name, sizeof(qentry->name), 4403 "qla2xxx%lu_%s", vha->host_no, 4404 msix_entries[QLA_ATIO_VECTOR].name); 4405 qentry->in_use = 1; 4406 ret = request_irq(qentry->vector, 4407 msix_entries[QLA_ATIO_VECTOR].handler, 4408 0, qentry->name, rsp); 4409 qentry->have_irq = 1; 4410 } 4411 4412 msix_register_fail: 4413 if (ret) { 4414 ql_log(ql_log_fatal, vha, 0x00cb, 4415 "MSI-X: unable to register handler -- %x/%d.\n", 4416 qentry->vector, ret); 4417 qla2x00_free_irqs(vha); 4418 ha->mqenable = 0; 4419 goto msix_out; 4420 } 4421 4422 /* Enable MSI-X vector for response queue update for queue 0 */ 4423 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 4424 if (ha->msixbase && ha->mqiobase && 4425 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 4426 ql2xmqsupport)) 4427 ha->mqenable = 1; 4428 } else 4429 if (ha->mqiobase && 4430 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 4431 ql2xmqsupport)) 4432 ha->mqenable = 1; 4433 ql_dbg(ql_dbg_multiq, vha, 0xc005, 4434 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 4435 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 4436 ql_dbg(ql_dbg_init, vha, 0x0055, 4437 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 4438 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 4439 4440 msix_out: 4441 return ret; 4442 4443 free_irqs: 4444 pci_free_irq_vectors(ha->pdev); 4445 goto msix_out; 4446 } 4447 4448 int 4449 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 4450 { 4451 int ret = QLA_FUNCTION_FAILED; 4452 device_reg_t *reg = ha->iobase; 4453 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4454 4455 /* If possible, enable MSI-X. */ 4456 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 4457 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 4458 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) 4459 goto skip_msi; 4460 4461 if (ql2xenablemsix == 2) 4462 goto skip_msix; 4463 4464 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 4465 (ha->pdev->subsystem_device == 0x7040 || 4466 ha->pdev->subsystem_device == 0x7041 || 4467 ha->pdev->subsystem_device == 0x1705)) { 4468 ql_log(ql_log_warn, vha, 0x0034, 4469 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 4470 ha->pdev->subsystem_vendor, 4471 ha->pdev->subsystem_device); 4472 goto skip_msi; 4473 } 4474 4475 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 4476 ql_log(ql_log_warn, vha, 0x0035, 4477 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 4478 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 4479 goto skip_msix; 4480 } 4481 4482 ret = qla24xx_enable_msix(ha, rsp); 4483 if (!ret) { 4484 ql_dbg(ql_dbg_init, vha, 0x0036, 4485 "MSI-X: Enabled (0x%X, 0x%X).\n", 4486 ha->chip_revision, ha->fw_attributes); 4487 goto clear_risc_ints; 4488 } 4489 4490 skip_msix: 4491 4492 ql_log(ql_log_info, vha, 0x0037, 4493 "Falling back-to MSI mode -- ret=%d.\n", ret); 4494 4495 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 4496 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 4497 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 4498 goto skip_msi; 4499 4500 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 4501 if (ret > 0) { 4502 ql_dbg(ql_dbg_init, vha, 0x0038, 4503 "MSI: Enabled.\n"); 4504 ha->flags.msi_enabled = 1; 4505 } else 4506 ql_log(ql_log_warn, vha, 0x0039, 4507 "Falling back-to INTa mode -- ret=%d.\n", ret); 4508 skip_msi: 4509 4510 /* Skip INTx on ISP82xx. */ 4511 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 4512 return QLA_FUNCTION_FAILED; 4513 4514 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 4515 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 4516 QLA2XXX_DRIVER_NAME, rsp); 4517 if (ret) { 4518 ql_log(ql_log_warn, vha, 0x003a, 4519 "Failed to reserve interrupt %d already in use.\n", 4520 ha->pdev->irq); 4521 goto fail; 4522 } else if (!ha->flags.msi_enabled) { 4523 ql_dbg(ql_dbg_init, vha, 0x0125, 4524 "INTa mode: Enabled.\n"); 4525 ha->flags.mr_intr_valid = 1; 4526 /* Set max_qpair to 0, as MSI-X and MSI in not enabled */ 4527 ha->max_qpairs = 0; 4528 } 4529 4530 clear_risc_ints: 4531 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 4532 goto fail; 4533 4534 spin_lock_irq(&ha->hardware_lock); 4535 wrt_reg_word(®->isp.semaphore, 0); 4536 spin_unlock_irq(&ha->hardware_lock); 4537 4538 fail: 4539 return ret; 4540 } 4541 4542 void 4543 qla2x00_free_irqs(scsi_qla_host_t *vha) 4544 { 4545 struct qla_hw_data *ha = vha->hw; 4546 struct rsp_que *rsp; 4547 struct qla_msix_entry *qentry; 4548 int i; 4549 4550 /* 4551 * We need to check that ha->rsp_q_map is valid in case we are called 4552 * from a probe failure context. 4553 */ 4554 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 4555 goto free_irqs; 4556 rsp = ha->rsp_q_map[0]; 4557 4558 if (ha->flags.msix_enabled) { 4559 for (i = 0; i < ha->msix_count; i++) { 4560 qentry = &ha->msix_entries[i]; 4561 if (qentry->have_irq) { 4562 irq_set_affinity_notifier(qentry->vector, NULL); 4563 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 4564 } 4565 } 4566 kfree(ha->msix_entries); 4567 ha->msix_entries = NULL; 4568 ha->flags.msix_enabled = 0; 4569 ql_dbg(ql_dbg_init, vha, 0x0042, 4570 "Disabled MSI-X.\n"); 4571 } else { 4572 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 4573 } 4574 4575 free_irqs: 4576 pci_free_irq_vectors(ha->pdev); 4577 } 4578 4579 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 4580 struct qla_msix_entry *msix, int vector_type) 4581 { 4582 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 4583 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4584 int ret; 4585 4586 scnprintf(msix->name, sizeof(msix->name), 4587 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 4588 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 4589 if (ret) { 4590 ql_log(ql_log_fatal, vha, 0x00e6, 4591 "MSI-X: Unable to register handler -- %x/%d.\n", 4592 msix->vector, ret); 4593 return ret; 4594 } 4595 msix->have_irq = 1; 4596 msix->handle = qpair; 4597 return ret; 4598 } 4599