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, 0); 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 ql_log(ql_log_warn, vha, 0x50ff, 1126 "Dropping AEN - %04x %04x %04x %04x.\n", 1127 mb[0], mb[1], mb[2], mb[3]); 1128 return; 1129 } 1130 1131 /* Setup to process RIO completion. */ 1132 handle_cnt = 0; 1133 if (IS_CNA_CAPABLE(ha)) 1134 goto skip_rio; 1135 switch (mb[0]) { 1136 case MBA_SCSI_COMPLETION: 1137 handles[0] = make_handle(mb[2], mb[1]); 1138 handle_cnt = 1; 1139 break; 1140 case MBA_CMPLT_1_16BIT: 1141 handles[0] = mb[1]; 1142 handle_cnt = 1; 1143 mb[0] = MBA_SCSI_COMPLETION; 1144 break; 1145 case MBA_CMPLT_2_16BIT: 1146 handles[0] = mb[1]; 1147 handles[1] = mb[2]; 1148 handle_cnt = 2; 1149 mb[0] = MBA_SCSI_COMPLETION; 1150 break; 1151 case MBA_CMPLT_3_16BIT: 1152 handles[0] = mb[1]; 1153 handles[1] = mb[2]; 1154 handles[2] = mb[3]; 1155 handle_cnt = 3; 1156 mb[0] = MBA_SCSI_COMPLETION; 1157 break; 1158 case MBA_CMPLT_4_16BIT: 1159 handles[0] = mb[1]; 1160 handles[1] = mb[2]; 1161 handles[2] = mb[3]; 1162 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 1163 handle_cnt = 4; 1164 mb[0] = MBA_SCSI_COMPLETION; 1165 break; 1166 case MBA_CMPLT_5_16BIT: 1167 handles[0] = mb[1]; 1168 handles[1] = mb[2]; 1169 handles[2] = mb[3]; 1170 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 1171 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 1172 handle_cnt = 5; 1173 mb[0] = MBA_SCSI_COMPLETION; 1174 break; 1175 case MBA_CMPLT_2_32BIT: 1176 handles[0] = make_handle(mb[2], mb[1]); 1177 handles[1] = make_handle(RD_MAILBOX_REG(ha, reg, 7), 1178 RD_MAILBOX_REG(ha, reg, 6)); 1179 handle_cnt = 2; 1180 mb[0] = MBA_SCSI_COMPLETION; 1181 break; 1182 default: 1183 break; 1184 } 1185 skip_rio: 1186 switch (mb[0]) { 1187 case MBA_SCSI_COMPLETION: /* Fast Post */ 1188 if (!vha->flags.online) 1189 break; 1190 1191 for (cnt = 0; cnt < handle_cnt; cnt++) 1192 qla2x00_process_completed_request(vha, rsp->req, 1193 handles[cnt]); 1194 break; 1195 1196 case MBA_RESET: /* Reset */ 1197 ql_dbg(ql_dbg_async, vha, 0x5002, 1198 "Asynchronous RESET.\n"); 1199 1200 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1201 break; 1202 1203 case MBA_SYSTEM_ERR: /* System Error */ 1204 mbx = 0; 1205 1206 vha->hw_err_cnt++; 1207 1208 if (IS_QLA81XX(ha) || IS_QLA83XX(ha) || 1209 IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1210 u16 m[4]; 1211 1212 m[0] = rd_reg_word(®24->mailbox4); 1213 m[1] = rd_reg_word(®24->mailbox5); 1214 m[2] = rd_reg_word(®24->mailbox6); 1215 mbx = m[3] = rd_reg_word(®24->mailbox7); 1216 1217 ql_log(ql_log_warn, vha, 0x5003, 1218 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh mbx4=%xh mbx5=%xh mbx6=%xh mbx7=%xh.\n", 1219 mb[1], mb[2], mb[3], m[0], m[1], m[2], m[3]); 1220 } else 1221 ql_log(ql_log_warn, vha, 0x5003, 1222 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n ", 1223 mb[1], mb[2], mb[3]); 1224 1225 if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) && 1226 rd_reg_word(®24->mailbox7) & BIT_8) 1227 ha->isp_ops->mpi_fw_dump(vha, 1); 1228 ha->isp_ops->fw_dump(vha); 1229 ha->flags.fw_init_done = 0; 1230 QLA_FW_STOPPED(ha); 1231 1232 if (IS_FWI2_CAPABLE(ha)) { 1233 if (mb[1] == 0 && mb[2] == 0) { 1234 ql_log(ql_log_fatal, vha, 0x5004, 1235 "Unrecoverable Hardware Error: adapter " 1236 "marked OFFLINE!\n"); 1237 vha->flags.online = 0; 1238 vha->device_flags |= DFLG_DEV_FAILED; 1239 } else { 1240 /* Check to see if MPI timeout occurred */ 1241 if ((mbx & MBX_3) && (ha->port_no == 0)) 1242 set_bit(MPI_RESET_NEEDED, 1243 &vha->dpc_flags); 1244 1245 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1246 } 1247 } else if (mb[1] == 0) { 1248 ql_log(ql_log_fatal, vha, 0x5005, 1249 "Unrecoverable Hardware Error: adapter marked " 1250 "OFFLINE!\n"); 1251 vha->flags.online = 0; 1252 vha->device_flags |= DFLG_DEV_FAILED; 1253 } else 1254 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1255 break; 1256 1257 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 1258 ql_log(ql_log_warn, vha, 0x5006, 1259 "ISP Request Transfer Error (%x).\n", mb[1]); 1260 1261 vha->hw_err_cnt++; 1262 1263 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1264 break; 1265 1266 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 1267 ql_log(ql_log_warn, vha, 0x5007, 1268 "ISP Response Transfer Error (%x).\n", mb[1]); 1269 1270 vha->hw_err_cnt++; 1271 1272 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1273 break; 1274 1275 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 1276 ql_dbg(ql_dbg_async, vha, 0x5008, 1277 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 1278 break; 1279 1280 case MBA_LOOP_INIT_ERR: 1281 ql_log(ql_log_warn, vha, 0x5090, 1282 "LOOP INIT ERROR (%x).\n", mb[1]); 1283 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1284 break; 1285 1286 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 1287 ha->flags.lip_ae = 1; 1288 1289 ql_dbg(ql_dbg_async, vha, 0x5009, 1290 "LIP occurred (%x).\n", mb[1]); 1291 1292 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1293 atomic_set(&vha->loop_state, LOOP_DOWN); 1294 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1295 qla2x00_mark_all_devices_lost(vha); 1296 } 1297 1298 if (vha->vp_idx) { 1299 atomic_set(&vha->vp_state, VP_FAILED); 1300 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1301 } 1302 1303 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 1304 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 1305 1306 vha->flags.management_server_logged_in = 0; 1307 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 1308 break; 1309 1310 case MBA_LOOP_UP: /* Loop Up Event */ 1311 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1312 ha->link_data_rate = PORT_SPEED_1GB; 1313 else 1314 ha->link_data_rate = mb[1]; 1315 1316 ql_log(ql_log_info, vha, 0x500a, 1317 "LOOP UP detected (%s Gbps).\n", 1318 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 1319 1320 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1321 if (mb[2] & BIT_0) 1322 ql_log(ql_log_info, vha, 0x11a0, 1323 "FEC=enabled (link up).\n"); 1324 } 1325 1326 vha->flags.management_server_logged_in = 0; 1327 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 1328 1329 if (vha->link_down_time < vha->hw->port_down_retry_count) { 1330 vha->short_link_down_cnt++; 1331 vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 1332 } 1333 1334 break; 1335 1336 case MBA_LOOP_DOWN: /* Loop Down Event */ 1337 SAVE_TOPO(ha); 1338 ha->flags.lip_ae = 0; 1339 ha->current_topology = 0; 1340 vha->link_down_time = 0; 1341 1342 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 1343 ? rd_reg_word(®24->mailbox4) : 0; 1344 mbx = (IS_P3P_TYPE(ha)) ? rd_reg_word(®82->mailbox_out[4]) 1345 : mbx; 1346 ql_log(ql_log_info, vha, 0x500b, 1347 "LOOP DOWN detected (%x %x %x %x).\n", 1348 mb[1], mb[2], mb[3], mbx); 1349 1350 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1351 atomic_set(&vha->loop_state, LOOP_DOWN); 1352 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1353 /* 1354 * In case of loop down, restore WWPN from 1355 * NVRAM in case of FA-WWPN capable ISP 1356 * Restore for Physical Port only 1357 */ 1358 if (!vha->vp_idx) { 1359 if (ha->flags.fawwpn_enabled && 1360 (ha->current_topology == ISP_CFG_F)) { 1361 memcpy(vha->port_name, ha->port_name, WWN_SIZE); 1362 fc_host_port_name(vha->host) = 1363 wwn_to_u64(vha->port_name); 1364 ql_dbg(ql_dbg_init + ql_dbg_verbose, 1365 vha, 0x00d8, "LOOP DOWN detected," 1366 "restore WWPN %016llx\n", 1367 wwn_to_u64(vha->port_name)); 1368 } 1369 1370 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 1371 } 1372 1373 vha->device_flags |= DFLG_NO_CABLE; 1374 qla2x00_mark_all_devices_lost(vha); 1375 } 1376 1377 if (vha->vp_idx) { 1378 atomic_set(&vha->vp_state, VP_FAILED); 1379 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1380 } 1381 1382 vha->flags.management_server_logged_in = 0; 1383 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1384 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 1385 break; 1386 1387 case MBA_LIP_RESET: /* LIP reset occurred */ 1388 ql_dbg(ql_dbg_async, vha, 0x500c, 1389 "LIP reset occurred (%x).\n", mb[1]); 1390 1391 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1392 atomic_set(&vha->loop_state, LOOP_DOWN); 1393 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1394 qla2x00_mark_all_devices_lost(vha); 1395 } 1396 1397 if (vha->vp_idx) { 1398 atomic_set(&vha->vp_state, VP_FAILED); 1399 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1400 } 1401 1402 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1403 1404 ha->operating_mode = LOOP; 1405 vha->flags.management_server_logged_in = 0; 1406 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 1407 break; 1408 1409 /* case MBA_DCBX_COMPLETE: */ 1410 case MBA_POINT_TO_POINT: /* Point-to-Point */ 1411 ha->flags.lip_ae = 0; 1412 1413 if (IS_QLA2100(ha)) 1414 break; 1415 1416 if (IS_CNA_CAPABLE(ha)) { 1417 ql_dbg(ql_dbg_async, vha, 0x500d, 1418 "DCBX Completed -- %04x %04x %04x.\n", 1419 mb[1], mb[2], mb[3]); 1420 if (ha->notify_dcbx_comp && !vha->vp_idx) 1421 complete(&ha->dcbx_comp); 1422 1423 } else 1424 ql_dbg(ql_dbg_async, vha, 0x500e, 1425 "Asynchronous P2P MODE received.\n"); 1426 1427 /* 1428 * Until there's a transition from loop down to loop up, treat 1429 * this as loop down only. 1430 */ 1431 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1432 atomic_set(&vha->loop_state, LOOP_DOWN); 1433 if (!atomic_read(&vha->loop_down_timer)) 1434 atomic_set(&vha->loop_down_timer, 1435 LOOP_DOWN_TIME); 1436 if (!N2N_TOPO(ha)) 1437 qla2x00_mark_all_devices_lost(vha); 1438 } 1439 1440 if (vha->vp_idx) { 1441 atomic_set(&vha->vp_state, VP_FAILED); 1442 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1443 } 1444 1445 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 1446 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1447 1448 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 1449 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 1450 1451 vha->flags.management_server_logged_in = 0; 1452 break; 1453 1454 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 1455 if (IS_QLA2100(ha)) 1456 break; 1457 1458 ql_dbg(ql_dbg_async, vha, 0x500f, 1459 "Configuration change detected: value=%x.\n", mb[1]); 1460 1461 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1462 atomic_set(&vha->loop_state, LOOP_DOWN); 1463 if (!atomic_read(&vha->loop_down_timer)) 1464 atomic_set(&vha->loop_down_timer, 1465 LOOP_DOWN_TIME); 1466 qla2x00_mark_all_devices_lost(vha); 1467 } 1468 1469 if (vha->vp_idx) { 1470 atomic_set(&vha->vp_state, VP_FAILED); 1471 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1472 } 1473 1474 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1475 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1476 break; 1477 1478 case MBA_PORT_UPDATE: /* Port database update */ 1479 /* 1480 * Handle only global and vn-port update events 1481 * 1482 * Relevant inputs: 1483 * mb[1] = N_Port handle of changed port 1484 * OR 0xffff for global event 1485 * mb[2] = New login state 1486 * 7 = Port logged out 1487 * mb[3] = LSB is vp_idx, 0xff = all vps 1488 * 1489 * Skip processing if: 1490 * Event is global, vp_idx is NOT all vps, 1491 * vp_idx does not match 1492 * Event is not global, vp_idx does not match 1493 */ 1494 if (IS_QLA2XXX_MIDTYPE(ha) && 1495 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 1496 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 1497 break; 1498 1499 if (mb[2] == 0x7) { 1500 ql_dbg(ql_dbg_async, vha, 0x5010, 1501 "Port %s %04x %04x %04x.\n", 1502 mb[1] == 0xffff ? "unavailable" : "logout", 1503 mb[1], mb[2], mb[3]); 1504 1505 if (mb[1] == 0xffff) 1506 goto global_port_update; 1507 1508 if (mb[1] == NPH_SNS_LID(ha)) { 1509 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1510 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1511 break; 1512 } 1513 1514 /* use handle_cnt for loop id/nport handle */ 1515 if (IS_FWI2_CAPABLE(ha)) 1516 handle_cnt = NPH_SNS; 1517 else 1518 handle_cnt = SIMPLE_NAME_SERVER; 1519 if (mb[1] == handle_cnt) { 1520 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1521 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1522 break; 1523 } 1524 1525 /* Port logout */ 1526 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1527 if (!fcport) 1528 break; 1529 if (atomic_read(&fcport->state) != FCS_ONLINE) 1530 break; 1531 ql_dbg(ql_dbg_async, vha, 0x508a, 1532 "Marking port lost loopid=%04x portid=%06x.\n", 1533 fcport->loop_id, fcport->d_id.b24); 1534 if (qla_ini_mode_enabled(vha)) { 1535 fcport->logout_on_delete = 0; 1536 qlt_schedule_sess_for_deletion(fcport); 1537 } 1538 break; 1539 1540 global_port_update: 1541 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1542 atomic_set(&vha->loop_state, LOOP_DOWN); 1543 atomic_set(&vha->loop_down_timer, 1544 LOOP_DOWN_TIME); 1545 vha->device_flags |= DFLG_NO_CABLE; 1546 qla2x00_mark_all_devices_lost(vha); 1547 } 1548 1549 if (vha->vp_idx) { 1550 atomic_set(&vha->vp_state, VP_FAILED); 1551 fc_vport_set_state(vha->fc_vport, 1552 FC_VPORT_FAILED); 1553 qla2x00_mark_all_devices_lost(vha); 1554 } 1555 1556 vha->flags.management_server_logged_in = 0; 1557 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1558 break; 1559 } 1560 1561 /* 1562 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1563 * event etc. earlier indicating loop is down) then process 1564 * it. Otherwise ignore it and Wait for RSCN to come in. 1565 */ 1566 atomic_set(&vha->loop_down_timer, 0); 1567 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1568 !ha->flags.n2n_ae && 1569 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1570 ql_dbg(ql_dbg_async, vha, 0x5011, 1571 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1572 mb[1], mb[2], mb[3]); 1573 break; 1574 } 1575 1576 ql_dbg(ql_dbg_async, vha, 0x5012, 1577 "Port database changed %04x %04x %04x.\n", 1578 mb[1], mb[2], mb[3]); 1579 1580 /* 1581 * Mark all devices as missing so we will login again. 1582 */ 1583 atomic_set(&vha->loop_state, LOOP_UP); 1584 vha->scan.scan_retry = 0; 1585 1586 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1587 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1588 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1589 break; 1590 1591 case MBA_RSCN_UPDATE: /* State Change Registration */ 1592 /* Check if the Vport has issued a SCR */ 1593 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1594 break; 1595 /* Only handle SCNs for our Vport index. */ 1596 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1597 break; 1598 1599 ql_log(ql_log_warn, vha, 0x5013, 1600 "RSCN database changed -- %04x %04x %04x.\n", 1601 mb[1], mb[2], mb[3]); 1602 1603 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1604 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1605 | vha->d_id.b.al_pa; 1606 if (rscn_entry == host_pid) { 1607 ql_dbg(ql_dbg_async, vha, 0x5014, 1608 "Ignoring RSCN update to local host " 1609 "port ID (%06x).\n", host_pid); 1610 break; 1611 } 1612 1613 /* Ignore reserved bits from RSCN-payload. */ 1614 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1615 1616 /* Skip RSCNs for virtual ports on the same physical port */ 1617 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1618 break; 1619 1620 atomic_set(&vha->loop_down_timer, 0); 1621 vha->flags.management_server_logged_in = 0; 1622 { 1623 struct event_arg ea; 1624 1625 memset(&ea, 0, sizeof(ea)); 1626 ea.id.b24 = rscn_entry; 1627 ea.id.b.rsvd_1 = rscn_entry >> 24; 1628 qla2x00_handle_rscn(vha, &ea); 1629 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1630 } 1631 break; 1632 case MBA_CONGN_NOTI_RECV: 1633 if (!ha->flags.scm_enabled || 1634 mb[1] != QLA_CON_PRIMITIVE_RECEIVED) 1635 break; 1636 1637 if (mb[2] == QLA_CONGESTION_ARB_WARNING) { 1638 ql_dbg(ql_dbg_async, vha, 0x509b, 1639 "Congestion Warning %04x %04x.\n", mb[1], mb[2]); 1640 } else if (mb[2] == QLA_CONGESTION_ARB_ALARM) { 1641 ql_log(ql_log_warn, vha, 0x509b, 1642 "Congestion Alarm %04x %04x.\n", mb[1], mb[2]); 1643 } 1644 break; 1645 /* case MBA_RIO_RESPONSE: */ 1646 case MBA_ZIO_RESPONSE: 1647 ql_dbg(ql_dbg_async, vha, 0x5015, 1648 "[R|Z]IO update completion.\n"); 1649 1650 if (IS_FWI2_CAPABLE(ha)) 1651 qla24xx_process_response_queue(vha, rsp); 1652 else 1653 qla2x00_process_response_queue(rsp); 1654 break; 1655 1656 case MBA_DISCARD_RND_FRAME: 1657 ql_dbg(ql_dbg_async, vha, 0x5016, 1658 "Discard RND Frame -- %04x %04x %04x.\n", 1659 mb[1], mb[2], mb[3]); 1660 vha->interface_err_cnt++; 1661 break; 1662 1663 case MBA_TRACE_NOTIFICATION: 1664 ql_dbg(ql_dbg_async, vha, 0x5017, 1665 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1666 break; 1667 1668 case MBA_ISP84XX_ALERT: 1669 ql_dbg(ql_dbg_async, vha, 0x5018, 1670 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1671 mb[1], mb[2], mb[3]); 1672 1673 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1674 switch (mb[1]) { 1675 case A84_PANIC_RECOVERY: 1676 ql_log(ql_log_info, vha, 0x5019, 1677 "Alert 84XX: panic recovery %04x %04x.\n", 1678 mb[2], mb[3]); 1679 break; 1680 case A84_OP_LOGIN_COMPLETE: 1681 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1682 ql_log(ql_log_info, vha, 0x501a, 1683 "Alert 84XX: firmware version %x.\n", 1684 ha->cs84xx->op_fw_version); 1685 break; 1686 case A84_DIAG_LOGIN_COMPLETE: 1687 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1688 ql_log(ql_log_info, vha, 0x501b, 1689 "Alert 84XX: diagnostic firmware version %x.\n", 1690 ha->cs84xx->diag_fw_version); 1691 break; 1692 case A84_GOLD_LOGIN_COMPLETE: 1693 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1694 ha->cs84xx->fw_update = 1; 1695 ql_log(ql_log_info, vha, 0x501c, 1696 "Alert 84XX: gold firmware version %x.\n", 1697 ha->cs84xx->gold_fw_version); 1698 break; 1699 default: 1700 ql_log(ql_log_warn, vha, 0x501d, 1701 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1702 mb[1], mb[2], mb[3]); 1703 } 1704 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1705 break; 1706 case MBA_DCBX_START: 1707 ql_dbg(ql_dbg_async, vha, 0x501e, 1708 "DCBX Started -- %04x %04x %04x.\n", 1709 mb[1], mb[2], mb[3]); 1710 break; 1711 case MBA_DCBX_PARAM_UPDATE: 1712 ql_dbg(ql_dbg_async, vha, 0x501f, 1713 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1714 mb[1], mb[2], mb[3]); 1715 break; 1716 case MBA_FCF_CONF_ERR: 1717 ql_dbg(ql_dbg_async, vha, 0x5020, 1718 "FCF Configuration Error -- %04x %04x %04x.\n", 1719 mb[1], mb[2], mb[3]); 1720 break; 1721 case MBA_IDC_NOTIFY: 1722 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1723 mb[4] = rd_reg_word(®24->mailbox4); 1724 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1725 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1726 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1727 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1728 /* 1729 * Extend loop down timer since port is active. 1730 */ 1731 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1732 atomic_set(&vha->loop_down_timer, 1733 LOOP_DOWN_TIME); 1734 qla2xxx_wake_dpc(vha); 1735 } 1736 } 1737 fallthrough; 1738 case MBA_IDC_COMPLETE: 1739 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1740 complete(&ha->lb_portup_comp); 1741 fallthrough; 1742 case MBA_IDC_TIME_EXT: 1743 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1744 IS_QLA8044(ha)) 1745 qla81xx_idc_event(vha, mb[0], mb[1]); 1746 break; 1747 1748 case MBA_IDC_AEN: 1749 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1750 vha->hw_err_cnt++; 1751 qla27xx_handle_8200_aen(vha, mb); 1752 } else if (IS_QLA83XX(ha)) { 1753 mb[4] = rd_reg_word(®24->mailbox4); 1754 mb[5] = rd_reg_word(®24->mailbox5); 1755 mb[6] = rd_reg_word(®24->mailbox6); 1756 mb[7] = rd_reg_word(®24->mailbox7); 1757 qla83xx_handle_8200_aen(vha, mb); 1758 } else { 1759 ql_dbg(ql_dbg_async, vha, 0x5052, 1760 "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n", 1761 mb[0], mb[1], mb[2], mb[3]); 1762 } 1763 break; 1764 1765 case MBA_DPORT_DIAGNOSTICS: 1766 if ((mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_NOERR || 1767 (mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_ERR) 1768 vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS; 1769 ql_dbg(ql_dbg_async, vha, 0x5052, 1770 "D-Port Diagnostics: %04x %04x %04x %04x\n", 1771 mb[0], mb[1], mb[2], mb[3]); 1772 memcpy(vha->dport_data, mb, sizeof(vha->dport_data)); 1773 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1774 static char *results[] = { 1775 "start", "done(pass)", "done(error)", "undefined" }; 1776 static char *types[] = { 1777 "none", "dynamic", "static", "other" }; 1778 uint result = mb[1] >> 0 & 0x3; 1779 uint type = mb[1] >> 6 & 0x3; 1780 uint sw = mb[1] >> 15 & 0x1; 1781 ql_dbg(ql_dbg_async, vha, 0x5052, 1782 "D-Port Diagnostics: result=%s type=%s [sw=%u]\n", 1783 results[result], types[type], sw); 1784 if (result == 2) { 1785 static char *reasons[] = { 1786 "reserved", "unexpected reject", 1787 "unexpected phase", "retry exceeded", 1788 "timed out", "not supported", 1789 "user stopped" }; 1790 uint reason = mb[2] >> 0 & 0xf; 1791 uint phase = mb[2] >> 12 & 0xf; 1792 ql_dbg(ql_dbg_async, vha, 0x5052, 1793 "D-Port Diagnostics: reason=%s phase=%u \n", 1794 reason < 7 ? reasons[reason] : "other", 1795 phase >> 1); 1796 } 1797 } 1798 break; 1799 1800 case MBA_TEMPERATURE_ALERT: 1801 ql_dbg(ql_dbg_async, vha, 0x505e, 1802 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1803 break; 1804 1805 case MBA_TRANS_INSERT: 1806 ql_dbg(ql_dbg_async, vha, 0x5091, 1807 "Transceiver Insertion: %04x\n", mb[1]); 1808 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 1809 break; 1810 1811 case MBA_TRANS_REMOVE: 1812 ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Removal\n"); 1813 break; 1814 1815 default: 1816 ql_dbg(ql_dbg_async, vha, 0x5057, 1817 "Unknown AEN:%04x %04x %04x %04x\n", 1818 mb[0], mb[1], mb[2], mb[3]); 1819 } 1820 1821 qlt_async_event(mb[0], vha, mb); 1822 1823 if (!vha->vp_idx && ha->num_vhosts) 1824 qla2x00_alert_all_vps(rsp, mb); 1825 } 1826 1827 /** 1828 * qla2x00_process_completed_request() - Process a Fast Post response. 1829 * @vha: SCSI driver HA context 1830 * @req: request queue 1831 * @index: SRB index 1832 */ 1833 void 1834 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1835 struct req_que *req, uint32_t index) 1836 { 1837 srb_t *sp; 1838 struct qla_hw_data *ha = vha->hw; 1839 1840 /* Validate handle. */ 1841 if (index >= req->num_outstanding_cmds) { 1842 ql_log(ql_log_warn, vha, 0x3014, 1843 "Invalid SCSI command index (%x).\n", index); 1844 1845 if (IS_P3P_TYPE(ha)) 1846 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1847 else 1848 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1849 return; 1850 } 1851 1852 sp = req->outstanding_cmds[index]; 1853 if (sp) { 1854 /* Free outstanding command slot. */ 1855 req->outstanding_cmds[index] = NULL; 1856 1857 /* Save ISP completion status */ 1858 sp->done(sp, DID_OK << 16); 1859 } else { 1860 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1861 1862 if (IS_P3P_TYPE(ha)) 1863 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1864 else 1865 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1866 } 1867 } 1868 1869 static srb_t * 1870 qla_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1871 struct req_que *req, void *iocb, u16 *ret_index) 1872 { 1873 struct qla_hw_data *ha = vha->hw; 1874 sts_entry_t *pkt = iocb; 1875 srb_t *sp; 1876 uint16_t index; 1877 1878 if (pkt->handle == QLA_SKIP_HANDLE) 1879 return NULL; 1880 1881 index = LSW(pkt->handle); 1882 if (index >= req->num_outstanding_cmds) { 1883 ql_log(ql_log_warn, vha, 0x5031, 1884 "%s: Invalid command index (%x) type %8ph.\n", 1885 func, index, iocb); 1886 if (IS_P3P_TYPE(ha)) 1887 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1888 else 1889 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1890 return NULL; 1891 } 1892 sp = req->outstanding_cmds[index]; 1893 if (!sp) { 1894 ql_log(ql_log_warn, vha, 0x5032, 1895 "%s: Invalid completion handle (%x) -- timed-out.\n", 1896 func, index); 1897 return NULL; 1898 } 1899 if (sp->handle != index) { 1900 ql_log(ql_log_warn, vha, 0x5033, 1901 "%s: SRB handle (%x) mismatch %x.\n", func, 1902 sp->handle, index); 1903 return NULL; 1904 } 1905 1906 *ret_index = index; 1907 qla_put_fw_resources(sp->qpair, &sp->iores); 1908 return sp; 1909 } 1910 1911 srb_t * 1912 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1913 struct req_que *req, void *iocb) 1914 { 1915 uint16_t index; 1916 srb_t *sp; 1917 1918 sp = qla_get_sp_from_handle(vha, func, req, iocb, &index); 1919 if (sp) 1920 req->outstanding_cmds[index] = NULL; 1921 1922 return sp; 1923 } 1924 1925 static void 1926 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1927 struct mbx_entry *mbx) 1928 { 1929 const char func[] = "MBX-IOCB"; 1930 const char *type; 1931 fc_port_t *fcport; 1932 srb_t *sp; 1933 struct srb_iocb *lio; 1934 uint16_t *data; 1935 uint16_t status; 1936 1937 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1938 if (!sp) 1939 return; 1940 1941 lio = &sp->u.iocb_cmd; 1942 type = sp->name; 1943 fcport = sp->fcport; 1944 data = lio->u.logio.data; 1945 1946 data[0] = MBS_COMMAND_ERROR; 1947 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1948 QLA_LOGIO_LOGIN_RETRIED : 0; 1949 if (mbx->entry_status) { 1950 ql_dbg(ql_dbg_async, vha, 0x5043, 1951 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1952 "entry-status=%x status=%x state-flag=%x " 1953 "status-flags=%x.\n", type, sp->handle, 1954 fcport->d_id.b.domain, fcport->d_id.b.area, 1955 fcport->d_id.b.al_pa, mbx->entry_status, 1956 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1957 le16_to_cpu(mbx->status_flags)); 1958 1959 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1960 mbx, sizeof(*mbx)); 1961 1962 goto logio_done; 1963 } 1964 1965 status = le16_to_cpu(mbx->status); 1966 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1967 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1968 status = 0; 1969 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1970 ql_dbg(ql_dbg_async, vha, 0x5045, 1971 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1972 type, sp->handle, fcport->d_id.b.domain, 1973 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1974 le16_to_cpu(mbx->mb1)); 1975 1976 data[0] = MBS_COMMAND_COMPLETE; 1977 if (sp->type == SRB_LOGIN_CMD) { 1978 fcport->port_type = FCT_TARGET; 1979 if (le16_to_cpu(mbx->mb1) & BIT_0) 1980 fcport->port_type = FCT_INITIATOR; 1981 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1982 fcport->flags |= FCF_FCP2_DEVICE; 1983 } 1984 goto logio_done; 1985 } 1986 1987 data[0] = le16_to_cpu(mbx->mb0); 1988 switch (data[0]) { 1989 case MBS_PORT_ID_USED: 1990 data[1] = le16_to_cpu(mbx->mb1); 1991 break; 1992 case MBS_LOOP_ID_USED: 1993 break; 1994 default: 1995 data[0] = MBS_COMMAND_ERROR; 1996 break; 1997 } 1998 1999 ql_log(ql_log_warn, vha, 0x5046, 2000 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 2001 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 2002 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 2003 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 2004 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 2005 le16_to_cpu(mbx->mb7)); 2006 2007 logio_done: 2008 sp->done(sp, 0); 2009 } 2010 2011 static void 2012 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2013 struct mbx_24xx_entry *pkt) 2014 { 2015 const char func[] = "MBX-IOCB2"; 2016 struct qla_hw_data *ha = vha->hw; 2017 srb_t *sp; 2018 struct srb_iocb *si; 2019 u16 sz, i; 2020 int res; 2021 2022 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2023 if (!sp) 2024 return; 2025 2026 if (sp->type == SRB_SCSI_CMD || 2027 sp->type == SRB_NVME_CMD || 2028 sp->type == SRB_TM_CMD) { 2029 ql_log(ql_log_warn, vha, 0x509d, 2030 "Inconsistent event entry type %d\n", sp->type); 2031 if (IS_P3P_TYPE(ha)) 2032 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2033 else 2034 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2035 return; 2036 } 2037 2038 si = &sp->u.iocb_cmd; 2039 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 2040 2041 for (i = 0; i < sz; i++) 2042 si->u.mbx.in_mb[i] = pkt->mb[i]; 2043 2044 res = (si->u.mbx.in_mb[0] & MBS_MASK); 2045 2046 sp->done(sp, res); 2047 } 2048 2049 static void 2050 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2051 struct nack_to_isp *pkt) 2052 { 2053 const char func[] = "nack"; 2054 srb_t *sp; 2055 int res = 0; 2056 2057 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2058 if (!sp) 2059 return; 2060 2061 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 2062 res = QLA_FUNCTION_FAILED; 2063 2064 sp->done(sp, res); 2065 } 2066 2067 static void 2068 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 2069 sts_entry_t *pkt, int iocb_type) 2070 { 2071 const char func[] = "CT_IOCB"; 2072 const char *type; 2073 srb_t *sp; 2074 struct bsg_job *bsg_job; 2075 struct fc_bsg_reply *bsg_reply; 2076 uint16_t comp_status; 2077 int res = 0; 2078 2079 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2080 if (!sp) 2081 return; 2082 2083 switch (sp->type) { 2084 case SRB_CT_CMD: 2085 bsg_job = sp->u.bsg_job; 2086 bsg_reply = bsg_job->reply; 2087 2088 type = "ct pass-through"; 2089 2090 comp_status = le16_to_cpu(pkt->comp_status); 2091 2092 /* 2093 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 2094 * fc payload to the caller 2095 */ 2096 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 2097 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2098 2099 if (comp_status != CS_COMPLETE) { 2100 if (comp_status == CS_DATA_UNDERRUN) { 2101 res = DID_OK << 16; 2102 bsg_reply->reply_payload_rcv_len = 2103 le16_to_cpu(pkt->rsp_info_len); 2104 2105 ql_log(ql_log_warn, vha, 0x5048, 2106 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 2107 type, comp_status, 2108 bsg_reply->reply_payload_rcv_len); 2109 } else { 2110 ql_log(ql_log_warn, vha, 0x5049, 2111 "CT pass-through-%s error comp_status=0x%x.\n", 2112 type, comp_status); 2113 res = DID_ERROR << 16; 2114 bsg_reply->reply_payload_rcv_len = 0; 2115 } 2116 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 2117 pkt, sizeof(*pkt)); 2118 } else { 2119 res = DID_OK << 16; 2120 bsg_reply->reply_payload_rcv_len = 2121 bsg_job->reply_payload.payload_len; 2122 bsg_job->reply_len = 0; 2123 } 2124 break; 2125 case SRB_CT_PTHRU_CMD: 2126 /* 2127 * borrowing sts_entry_24xx.comp_status. 2128 * same location as ct_entry_24xx.comp_status 2129 */ 2130 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 2131 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 2132 sp->name); 2133 break; 2134 } 2135 2136 sp->done(sp, res); 2137 } 2138 2139 static void 2140 qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req, 2141 struct sts_entry_24xx *pkt, int iocb_type) 2142 { 2143 struct els_sts_entry_24xx *ese = (struct els_sts_entry_24xx *)pkt; 2144 const char func[] = "ELS_CT_IOCB"; 2145 const char *type; 2146 srb_t *sp; 2147 struct bsg_job *bsg_job; 2148 struct fc_bsg_reply *bsg_reply; 2149 uint16_t comp_status; 2150 uint32_t fw_status[3]; 2151 int res, logit = 1; 2152 struct srb_iocb *els; 2153 uint n; 2154 scsi_qla_host_t *vha; 2155 struct els_sts_entry_24xx *e = (struct els_sts_entry_24xx *)pkt; 2156 2157 sp = qla2x00_get_sp_from_handle(v, func, req, pkt); 2158 if (!sp) 2159 return; 2160 bsg_job = sp->u.bsg_job; 2161 vha = sp->vha; 2162 2163 type = NULL; 2164 2165 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 2166 fw_status[1] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1); 2167 fw_status[2] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2); 2168 2169 switch (sp->type) { 2170 case SRB_ELS_CMD_RPT: 2171 case SRB_ELS_CMD_HST: 2172 type = "rpt hst"; 2173 break; 2174 case SRB_ELS_CMD_HST_NOLOGIN: 2175 type = "els"; 2176 { 2177 struct els_entry_24xx *els = (void *)pkt; 2178 struct qla_bsg_auth_els_request *p = 2179 (struct qla_bsg_auth_els_request *)bsg_job->request; 2180 2181 ql_dbg(ql_dbg_user, vha, 0x700f, 2182 "%s %s. portid=%02x%02x%02x status %x xchg %x bsg ptr %p\n", 2183 __func__, sc_to_str(p->e.sub_cmd), 2184 e->d_id[2], e->d_id[1], e->d_id[0], 2185 comp_status, p->e.extra_rx_xchg_address, bsg_job); 2186 2187 if (!(le16_to_cpu(els->control_flags) & ECF_PAYLOAD_DESCR_MASK)) { 2188 if (sp->remap.remapped) { 2189 n = sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 2190 bsg_job->reply_payload.sg_cnt, 2191 sp->remap.rsp.buf, 2192 sp->remap.rsp.len); 2193 ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x700e, 2194 "%s: SG copied %x of %x\n", 2195 __func__, n, sp->remap.rsp.len); 2196 } else { 2197 ql_dbg(ql_dbg_user, vha, 0x700f, 2198 "%s: NOT REMAPPED (error)...!!!\n", 2199 __func__); 2200 } 2201 } 2202 } 2203 break; 2204 case SRB_CT_CMD: 2205 type = "ct pass-through"; 2206 break; 2207 case SRB_ELS_DCMD: 2208 type = "Driver ELS logo"; 2209 if (iocb_type != ELS_IOCB_TYPE) { 2210 ql_dbg(ql_dbg_user, vha, 0x5047, 2211 "Completing %s: (%p) type=%d.\n", 2212 type, sp, sp->type); 2213 sp->done(sp, 0); 2214 return; 2215 } 2216 break; 2217 case SRB_CT_PTHRU_CMD: 2218 /* borrowing sts_entry_24xx.comp_status. 2219 same location as ct_entry_24xx.comp_status 2220 */ 2221 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 2222 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 2223 sp->name); 2224 sp->done(sp, res); 2225 return; 2226 default: 2227 ql_dbg(ql_dbg_user, vha, 0x503e, 2228 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 2229 return; 2230 } 2231 2232 if (iocb_type == ELS_IOCB_TYPE) { 2233 els = &sp->u.iocb_cmd; 2234 els->u.els_plogi.fw_status[0] = cpu_to_le32(fw_status[0]); 2235 els->u.els_plogi.fw_status[1] = cpu_to_le32(fw_status[1]); 2236 els->u.els_plogi.fw_status[2] = cpu_to_le32(fw_status[2]); 2237 els->u.els_plogi.comp_status = cpu_to_le16(fw_status[0]); 2238 if (comp_status == CS_COMPLETE) { 2239 res = DID_OK << 16; 2240 } else { 2241 if (comp_status == CS_DATA_UNDERRUN) { 2242 res = DID_OK << 16; 2243 els->u.els_plogi.len = cpu_to_le16(le32_to_cpu( 2244 ese->total_byte_count)); 2245 2246 if (sp->remap.remapped && 2247 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_ACC) { 2248 ql_dbg(ql_dbg_user, vha, 0x503f, 2249 "%s IOCB Done LS_ACC %02x%02x%02x -> %02x%02x%02x", 2250 __func__, e->s_id[0], e->s_id[2], e->s_id[1], 2251 e->d_id[2], e->d_id[1], e->d_id[0]); 2252 logit = 0; 2253 } 2254 2255 } else if (comp_status == CS_PORT_LOGGED_OUT) { 2256 ql_dbg(ql_dbg_disc, vha, 0x911e, 2257 "%s %d schedule session deletion\n", 2258 __func__, __LINE__); 2259 2260 els->u.els_plogi.len = 0; 2261 res = DID_IMM_RETRY << 16; 2262 qlt_schedule_sess_for_deletion(sp->fcport); 2263 } else { 2264 els->u.els_plogi.len = 0; 2265 res = DID_ERROR << 16; 2266 } 2267 2268 if (sp->remap.remapped && 2269 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_RJT) { 2270 if (logit) { 2271 ql_dbg(ql_dbg_user, vha, 0x503f, 2272 "%s IOCB Done LS_RJT hdl=%x comp_status=0x%x\n", 2273 type, sp->handle, comp_status); 2274 2275 ql_dbg(ql_dbg_user, vha, 0x503f, 2276 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", 2277 fw_status[1], fw_status[2], 2278 le32_to_cpu(((struct els_sts_entry_24xx *) 2279 pkt)->total_byte_count), 2280 e->s_id[0], e->s_id[2], e->s_id[1], 2281 e->d_id[2], e->d_id[1], e->d_id[0]); 2282 } 2283 if (sp->fcport && sp->fcport->flags & FCF_FCSP_DEVICE && 2284 sp->type == SRB_ELS_CMD_HST_NOLOGIN) { 2285 ql_dbg(ql_dbg_edif, vha, 0x911e, 2286 "%s rcv reject. Sched delete\n", __func__); 2287 qlt_schedule_sess_for_deletion(sp->fcport); 2288 } 2289 } else if (logit) { 2290 ql_log(ql_log_info, vha, 0x503f, 2291 "%s IOCB Done hdl=%x comp_status=0x%x\n", 2292 type, sp->handle, comp_status); 2293 ql_log(ql_log_info, vha, 0x503f, 2294 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", 2295 fw_status[1], fw_status[2], 2296 le32_to_cpu(((struct els_sts_entry_24xx *) 2297 pkt)->total_byte_count), 2298 e->s_id[0], e->s_id[2], e->s_id[1], 2299 e->d_id[2], e->d_id[1], e->d_id[0]); 2300 } 2301 } 2302 goto els_ct_done; 2303 } 2304 2305 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 2306 * fc payload to the caller 2307 */ 2308 bsg_job = sp->u.bsg_job; 2309 bsg_reply = bsg_job->reply; 2310 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 2311 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 2312 2313 if (comp_status != CS_COMPLETE) { 2314 if (comp_status == CS_DATA_UNDERRUN) { 2315 res = DID_OK << 16; 2316 bsg_reply->reply_payload_rcv_len = 2317 le32_to_cpu(ese->total_byte_count); 2318 2319 ql_dbg(ql_dbg_user, vha, 0x503f, 2320 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 2321 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 2322 type, sp->handle, comp_status, fw_status[1], fw_status[2], 2323 le32_to_cpu(ese->total_byte_count)); 2324 } else { 2325 ql_dbg(ql_dbg_user, vha, 0x5040, 2326 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 2327 "error subcode 1=0x%x error subcode 2=0x%x.\n", 2328 type, sp->handle, comp_status, 2329 le32_to_cpu(ese->error_subcode_1), 2330 le32_to_cpu(ese->error_subcode_2)); 2331 res = DID_ERROR << 16; 2332 bsg_reply->reply_payload_rcv_len = 0; 2333 } 2334 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 2335 fw_status, sizeof(fw_status)); 2336 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 2337 pkt, sizeof(*pkt)); 2338 } 2339 else { 2340 res = DID_OK << 16; 2341 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 2342 bsg_job->reply_len = 0; 2343 } 2344 els_ct_done: 2345 2346 sp->done(sp, res); 2347 } 2348 2349 static void 2350 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 2351 struct logio_entry_24xx *logio) 2352 { 2353 const char func[] = "LOGIO-IOCB"; 2354 const char *type; 2355 fc_port_t *fcport; 2356 srb_t *sp; 2357 struct srb_iocb *lio; 2358 uint16_t *data; 2359 uint32_t iop[2]; 2360 int logit = 1; 2361 2362 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 2363 if (!sp) 2364 return; 2365 2366 lio = &sp->u.iocb_cmd; 2367 type = sp->name; 2368 fcport = sp->fcport; 2369 data = lio->u.logio.data; 2370 2371 data[0] = MBS_COMMAND_ERROR; 2372 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 2373 QLA_LOGIO_LOGIN_RETRIED : 0; 2374 if (logio->entry_status) { 2375 ql_log(ql_log_warn, fcport->vha, 0x5034, 2376 "Async-%s error entry - %8phC hdl=%x" 2377 "portid=%02x%02x%02x entry-status=%x.\n", 2378 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 2379 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2380 logio->entry_status); 2381 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 2382 logio, sizeof(*logio)); 2383 2384 goto logio_done; 2385 } 2386 2387 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 2388 ql_dbg(ql_dbg_async, sp->vha, 0x5036, 2389 "Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n", 2390 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2391 le32_to_cpu(logio->io_parameter[0])); 2392 2393 vha->hw->exch_starvation = 0; 2394 data[0] = MBS_COMMAND_COMPLETE; 2395 2396 if (sp->type == SRB_PRLI_CMD) { 2397 lio->u.logio.iop[0] = 2398 le32_to_cpu(logio->io_parameter[0]); 2399 lio->u.logio.iop[1] = 2400 le32_to_cpu(logio->io_parameter[1]); 2401 goto logio_done; 2402 } 2403 2404 if (sp->type != SRB_LOGIN_CMD) 2405 goto logio_done; 2406 2407 lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[5]); 2408 if (le32_to_cpu(logio->io_parameter[5]) & LIO_COMM_FEAT_FCSP) 2409 fcport->flags |= FCF_FCSP_DEVICE; 2410 2411 iop[0] = le32_to_cpu(logio->io_parameter[0]); 2412 if (iop[0] & BIT_4) { 2413 fcport->port_type = FCT_TARGET; 2414 if (iop[0] & BIT_8) 2415 fcport->flags |= FCF_FCP2_DEVICE; 2416 } else if (iop[0] & BIT_5) 2417 fcport->port_type = FCT_INITIATOR; 2418 2419 if (iop[0] & BIT_7) 2420 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 2421 2422 if (logio->io_parameter[7] || logio->io_parameter[8]) 2423 fcport->supported_classes |= FC_COS_CLASS2; 2424 if (logio->io_parameter[9] || logio->io_parameter[10]) 2425 fcport->supported_classes |= FC_COS_CLASS3; 2426 2427 goto logio_done; 2428 } 2429 2430 iop[0] = le32_to_cpu(logio->io_parameter[0]); 2431 iop[1] = le32_to_cpu(logio->io_parameter[1]); 2432 lio->u.logio.iop[0] = iop[0]; 2433 lio->u.logio.iop[1] = iop[1]; 2434 switch (iop[0]) { 2435 case LSC_SCODE_PORTID_USED: 2436 data[0] = MBS_PORT_ID_USED; 2437 data[1] = LSW(iop[1]); 2438 logit = 0; 2439 break; 2440 case LSC_SCODE_NPORT_USED: 2441 data[0] = MBS_LOOP_ID_USED; 2442 logit = 0; 2443 break; 2444 case LSC_SCODE_CMD_FAILED: 2445 if (iop[1] == 0x0606) { 2446 /* 2447 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 2448 * Target side acked. 2449 */ 2450 data[0] = MBS_COMMAND_COMPLETE; 2451 goto logio_done; 2452 } 2453 data[0] = MBS_COMMAND_ERROR; 2454 break; 2455 case LSC_SCODE_NOXCB: 2456 vha->hw->exch_starvation++; 2457 if (vha->hw->exch_starvation > 5) { 2458 ql_log(ql_log_warn, vha, 0xd046, 2459 "Exchange starvation. Resetting RISC\n"); 2460 2461 vha->hw->exch_starvation = 0; 2462 2463 if (IS_P3P_TYPE(vha->hw)) 2464 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2465 else 2466 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2467 qla2xxx_wake_dpc(vha); 2468 } 2469 fallthrough; 2470 default: 2471 data[0] = MBS_COMMAND_ERROR; 2472 break; 2473 } 2474 2475 if (logit) 2476 ql_log(ql_log_warn, sp->vha, 0x5037, "Async-%s failed: " 2477 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", 2478 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2479 le16_to_cpu(logio->comp_status), 2480 le32_to_cpu(logio->io_parameter[0]), 2481 le32_to_cpu(logio->io_parameter[1])); 2482 else 2483 ql_dbg(ql_dbg_disc, sp->vha, 0x5037, "Async-%s failed: " 2484 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", 2485 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2486 le16_to_cpu(logio->comp_status), 2487 le32_to_cpu(logio->io_parameter[0]), 2488 le32_to_cpu(logio->io_parameter[1])); 2489 2490 logio_done: 2491 sp->done(sp, 0); 2492 } 2493 2494 static void 2495 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 2496 { 2497 const char func[] = "TMF-IOCB"; 2498 const char *type; 2499 fc_port_t *fcport; 2500 srb_t *sp; 2501 struct srb_iocb *iocb; 2502 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2503 u16 comp_status; 2504 2505 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 2506 if (!sp) 2507 return; 2508 2509 comp_status = le16_to_cpu(sts->comp_status); 2510 iocb = &sp->u.iocb_cmd; 2511 type = sp->name; 2512 fcport = sp->fcport; 2513 iocb->u.tmf.data = QLA_SUCCESS; 2514 2515 if (sts->entry_status) { 2516 ql_log(ql_log_warn, fcport->vha, 0x5038, 2517 "Async-%s error - hdl=%x entry-status(%x).\n", 2518 type, sp->handle, sts->entry_status); 2519 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2520 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 2521 ql_log(ql_log_warn, fcport->vha, 0x5039, 2522 "Async-%s error - hdl=%x completion status(%x).\n", 2523 type, sp->handle, comp_status); 2524 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2525 } else if ((le16_to_cpu(sts->scsi_status) & 2526 SS_RESPONSE_INFO_LEN_VALID)) { 2527 host_to_fcp_swap(sts->data, sizeof(sts->data)); 2528 if (le32_to_cpu(sts->rsp_data_len) < 4) { 2529 ql_log(ql_log_warn, fcport->vha, 0x503b, 2530 "Async-%s error - hdl=%x not enough response(%d).\n", 2531 type, sp->handle, sts->rsp_data_len); 2532 } else if (sts->data[3]) { 2533 ql_log(ql_log_warn, fcport->vha, 0x503c, 2534 "Async-%s error - hdl=%x response(%x).\n", 2535 type, sp->handle, sts->data[3]); 2536 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2537 } 2538 } 2539 2540 switch (comp_status) { 2541 case CS_PORT_LOGGED_OUT: 2542 case CS_PORT_CONFIG_CHG: 2543 case CS_PORT_BUSY: 2544 case CS_INCOMPLETE: 2545 case CS_PORT_UNAVAILABLE: 2546 case CS_RESET: 2547 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2548 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2549 "-Port to be marked lost on fcport=%02x%02x%02x, current port state= %s comp_status %x.\n", 2550 fcport->d_id.b.domain, fcport->d_id.b.area, 2551 fcport->d_id.b.al_pa, 2552 port_state_str[FCS_ONLINE], 2553 comp_status); 2554 2555 qlt_schedule_sess_for_deletion(fcport); 2556 } 2557 break; 2558 2559 default: 2560 break; 2561 } 2562 2563 if (iocb->u.tmf.data != QLA_SUCCESS) 2564 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, 2565 sts, sizeof(*sts)); 2566 2567 sp->done(sp, 0); 2568 } 2569 2570 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2571 void *tsk, srb_t *sp) 2572 { 2573 fc_port_t *fcport; 2574 struct srb_iocb *iocb; 2575 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2576 uint16_t state_flags; 2577 struct nvmefc_fcp_req *fd; 2578 uint16_t ret = QLA_SUCCESS; 2579 __le16 comp_status = sts->comp_status; 2580 int logit = 0; 2581 2582 iocb = &sp->u.iocb_cmd; 2583 fcport = sp->fcport; 2584 iocb->u.nvme.comp_status = comp_status; 2585 state_flags = le16_to_cpu(sts->state_flags); 2586 fd = iocb->u.nvme.desc; 2587 2588 if (unlikely(iocb->u.nvme.aen_op)) 2589 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 2590 else 2591 sp->qpair->cmd_completion_cnt++; 2592 2593 if (unlikely(comp_status != CS_COMPLETE)) 2594 logit = 1; 2595 2596 fd->transferred_length = fd->payload_length - 2597 le32_to_cpu(sts->residual_len); 2598 2599 /* 2600 * State flags: Bit 6 and 0. 2601 * If 0 is set, we don't care about 6. 2602 * both cases resp was dma'd to host buffer 2603 * if both are 0, that is good path case. 2604 * if six is set and 0 is clear, we need to 2605 * copy resp data from status iocb to resp buffer. 2606 */ 2607 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 2608 iocb->u.nvme.rsp_pyld_len = 0; 2609 } else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) == 2610 (SF_FCP_RSP_DMA | SF_NVME_ERSP)) { 2611 /* Response already DMA'd to fd->rspaddr. */ 2612 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; 2613 } else if ((state_flags & SF_FCP_RSP_DMA)) { 2614 /* 2615 * Non-zero value in first 12 bytes of NVMe_RSP IU, treat this 2616 * as an error. 2617 */ 2618 iocb->u.nvme.rsp_pyld_len = 0; 2619 fd->transferred_length = 0; 2620 ql_dbg(ql_dbg_io, fcport->vha, 0x307a, 2621 "Unexpected values in NVMe_RSP IU.\n"); 2622 logit = 1; 2623 } else if (state_flags & SF_NVME_ERSP) { 2624 uint32_t *inbuf, *outbuf; 2625 uint16_t iter; 2626 2627 inbuf = (uint32_t *)&sts->nvme_ersp_data; 2628 outbuf = (uint32_t *)fd->rspaddr; 2629 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; 2630 if (unlikely(le16_to_cpu(iocb->u.nvme.rsp_pyld_len) > 2631 sizeof(struct nvme_fc_ersp_iu))) { 2632 if (ql_mask_match(ql_dbg_io)) { 2633 WARN_ONCE(1, "Unexpected response payload length %u.\n", 2634 iocb->u.nvme.rsp_pyld_len); 2635 ql_log(ql_log_warn, fcport->vha, 0x5100, 2636 "Unexpected response payload length %u.\n", 2637 iocb->u.nvme.rsp_pyld_len); 2638 } 2639 iocb->u.nvme.rsp_pyld_len = 2640 cpu_to_le16(sizeof(struct nvme_fc_ersp_iu)); 2641 } 2642 iter = le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >> 2; 2643 for (; iter; iter--) 2644 *outbuf++ = swab32(*inbuf++); 2645 } 2646 2647 if (state_flags & SF_NVME_ERSP) { 2648 struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr; 2649 u32 tgt_xfer_len; 2650 2651 tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len); 2652 if (fd->transferred_length != tgt_xfer_len) { 2653 ql_log(ql_log_warn, fcport->vha, 0x3079, 2654 "Dropped frame(s) detected (sent/rcvd=%u/%u).\n", 2655 tgt_xfer_len, fd->transferred_length); 2656 logit = 1; 2657 } else if (le16_to_cpu(comp_status) == CS_DATA_UNDERRUN) { 2658 /* 2659 * Do not log if this is just an underflow and there 2660 * is no data loss. 2661 */ 2662 logit = 0; 2663 } 2664 } 2665 2666 if (unlikely(logit)) 2667 ql_dbg(ql_dbg_io, fcport->vha, 0x5060, 2668 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 2669 sp->name, sp->handle, comp_status, 2670 fd->transferred_length, le32_to_cpu(sts->residual_len), 2671 sts->ox_id); 2672 2673 /* 2674 * If transport error then Failure (HBA rejects request) 2675 * otherwise transport will handle. 2676 */ 2677 switch (le16_to_cpu(comp_status)) { 2678 case CS_COMPLETE: 2679 break; 2680 2681 case CS_RESET: 2682 case CS_PORT_UNAVAILABLE: 2683 case CS_PORT_LOGGED_OUT: 2684 fcport->nvme_flag |= NVME_FLAG_RESETTING; 2685 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2686 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2687 "Port to be marked lost on fcport=%06x, current " 2688 "port state= %s comp_status %x.\n", 2689 fcport->d_id.b24, port_state_str[FCS_ONLINE], 2690 comp_status); 2691 2692 qlt_schedule_sess_for_deletion(fcport); 2693 } 2694 fallthrough; 2695 case CS_ABORTED: 2696 case CS_PORT_BUSY: 2697 fd->transferred_length = 0; 2698 iocb->u.nvme.rsp_pyld_len = 0; 2699 ret = QLA_ABORTED; 2700 break; 2701 case CS_DATA_UNDERRUN: 2702 break; 2703 default: 2704 ret = QLA_FUNCTION_FAILED; 2705 break; 2706 } 2707 sp->done(sp, ret); 2708 } 2709 2710 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 2711 struct vp_ctrl_entry_24xx *vce) 2712 { 2713 const char func[] = "CTRLVP-IOCB"; 2714 srb_t *sp; 2715 int rval = QLA_SUCCESS; 2716 2717 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 2718 if (!sp) 2719 return; 2720 2721 if (vce->entry_status != 0) { 2722 ql_dbg(ql_dbg_vport, vha, 0x10c4, 2723 "%s: Failed to complete IOCB -- error status (%x)\n", 2724 sp->name, vce->entry_status); 2725 rval = QLA_FUNCTION_FAILED; 2726 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 2727 ql_dbg(ql_dbg_vport, vha, 0x10c5, 2728 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 2729 sp->name, le16_to_cpu(vce->comp_status), 2730 le16_to_cpu(vce->vp_idx_failed)); 2731 rval = QLA_FUNCTION_FAILED; 2732 } else { 2733 ql_dbg(ql_dbg_vport, vha, 0x10c6, 2734 "Done %s.\n", __func__); 2735 } 2736 2737 sp->rc = rval; 2738 sp->done(sp, rval); 2739 } 2740 2741 /* Process a single response queue entry. */ 2742 static void qla2x00_process_response_entry(struct scsi_qla_host *vha, 2743 struct rsp_que *rsp, 2744 sts_entry_t *pkt) 2745 { 2746 sts21_entry_t *sts21_entry; 2747 sts22_entry_t *sts22_entry; 2748 uint16_t handle_cnt; 2749 uint16_t cnt; 2750 2751 switch (pkt->entry_type) { 2752 case STATUS_TYPE: 2753 qla2x00_status_entry(vha, rsp, pkt); 2754 break; 2755 case STATUS_TYPE_21: 2756 sts21_entry = (sts21_entry_t *)pkt; 2757 handle_cnt = sts21_entry->handle_count; 2758 for (cnt = 0; cnt < handle_cnt; cnt++) 2759 qla2x00_process_completed_request(vha, rsp->req, 2760 sts21_entry->handle[cnt]); 2761 break; 2762 case STATUS_TYPE_22: 2763 sts22_entry = (sts22_entry_t *)pkt; 2764 handle_cnt = sts22_entry->handle_count; 2765 for (cnt = 0; cnt < handle_cnt; cnt++) 2766 qla2x00_process_completed_request(vha, rsp->req, 2767 sts22_entry->handle[cnt]); 2768 break; 2769 case STATUS_CONT_TYPE: 2770 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2771 break; 2772 case MBX_IOCB_TYPE: 2773 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt); 2774 break; 2775 case CT_IOCB_TYPE: 2776 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2777 break; 2778 default: 2779 /* Type Not Supported. */ 2780 ql_log(ql_log_warn, vha, 0x504a, 2781 "Received unknown response pkt type %x entry status=%x.\n", 2782 pkt->entry_type, pkt->entry_status); 2783 break; 2784 } 2785 } 2786 2787 /** 2788 * qla2x00_process_response_queue() - Process response queue entries. 2789 * @rsp: response queue 2790 */ 2791 void 2792 qla2x00_process_response_queue(struct rsp_que *rsp) 2793 { 2794 struct scsi_qla_host *vha; 2795 struct qla_hw_data *ha = rsp->hw; 2796 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2797 sts_entry_t *pkt; 2798 2799 vha = pci_get_drvdata(ha->pdev); 2800 2801 if (!vha->flags.online) 2802 return; 2803 2804 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2805 pkt = (sts_entry_t *)rsp->ring_ptr; 2806 2807 rsp->ring_index++; 2808 if (rsp->ring_index == rsp->length) { 2809 rsp->ring_index = 0; 2810 rsp->ring_ptr = rsp->ring; 2811 } else { 2812 rsp->ring_ptr++; 2813 } 2814 2815 if (pkt->entry_status != 0) { 2816 qla2x00_error_entry(vha, rsp, pkt); 2817 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2818 wmb(); 2819 continue; 2820 } 2821 2822 qla2x00_process_response_entry(vha, rsp, pkt); 2823 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2824 wmb(); 2825 } 2826 2827 /* Adjust ring index */ 2828 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2829 } 2830 2831 static inline void 2832 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2833 uint32_t sense_len, struct rsp_que *rsp, int res) 2834 { 2835 struct scsi_qla_host *vha = sp->vha; 2836 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2837 uint32_t track_sense_len; 2838 2839 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2840 sense_len = SCSI_SENSE_BUFFERSIZE; 2841 2842 SET_CMD_SENSE_LEN(sp, sense_len); 2843 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2844 track_sense_len = sense_len; 2845 2846 if (sense_len > par_sense_len) 2847 sense_len = par_sense_len; 2848 2849 memcpy(cp->sense_buffer, sense_data, sense_len); 2850 2851 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2852 track_sense_len -= sense_len; 2853 SET_CMD_SENSE_LEN(sp, track_sense_len); 2854 2855 if (track_sense_len != 0) { 2856 rsp->status_srb = sp; 2857 cp->result = res; 2858 } 2859 2860 if (sense_len) { 2861 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2862 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2863 sp->vha->host_no, cp->device->id, cp->device->lun, 2864 cp); 2865 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2866 cp->sense_buffer, sense_len); 2867 } 2868 } 2869 2870 struct scsi_dif_tuple { 2871 __be16 guard; /* Checksum */ 2872 __be16 app_tag; /* APPL identifier */ 2873 __be32 ref_tag; /* Target LBA or indirect LBA */ 2874 }; 2875 2876 /* 2877 * Checks the guard or meta-data for the type of error 2878 * detected by the HBA. In case of errors, we set the 2879 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2880 * to indicate to the kernel that the HBA detected error. 2881 */ 2882 static inline int 2883 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2884 { 2885 struct scsi_qla_host *vha = sp->vha; 2886 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2887 uint8_t *ap = &sts24->data[12]; 2888 uint8_t *ep = &sts24->data[20]; 2889 uint32_t e_ref_tag, a_ref_tag; 2890 uint16_t e_app_tag, a_app_tag; 2891 uint16_t e_guard, a_guard; 2892 2893 /* 2894 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2895 * would make guard field appear at offset 2 2896 */ 2897 a_guard = get_unaligned_le16(ap + 2); 2898 a_app_tag = get_unaligned_le16(ap + 0); 2899 a_ref_tag = get_unaligned_le32(ap + 4); 2900 e_guard = get_unaligned_le16(ep + 2); 2901 e_app_tag = get_unaligned_le16(ep + 0); 2902 e_ref_tag = get_unaligned_le32(ep + 4); 2903 2904 ql_dbg(ql_dbg_io, vha, 0x3023, 2905 "iocb(s) %p Returned STATUS.\n", sts24); 2906 2907 ql_dbg(ql_dbg_io, vha, 0x3024, 2908 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2909 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2910 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2911 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2912 a_app_tag, e_app_tag, a_guard, e_guard); 2913 2914 /* 2915 * Ignore sector if: 2916 * For type 3: ref & app tag is all 'f's 2917 * For type 0,1,2: app tag is all 'f's 2918 */ 2919 if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) && 2920 (scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 || 2921 a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) { 2922 uint32_t blocks_done, resid; 2923 sector_t lba_s = scsi_get_lba(cmd); 2924 2925 /* 2TB boundary case covered automatically with this */ 2926 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2927 2928 resid = scsi_bufflen(cmd) - (blocks_done * 2929 cmd->device->sector_size); 2930 2931 scsi_set_resid(cmd, resid); 2932 cmd->result = DID_OK << 16; 2933 2934 /* Update protection tag */ 2935 if (scsi_prot_sg_count(cmd)) { 2936 uint32_t i, j = 0, k = 0, num_ent; 2937 struct scatterlist *sg; 2938 struct t10_pi_tuple *spt; 2939 2940 /* Patch the corresponding protection tags */ 2941 scsi_for_each_prot_sg(cmd, sg, 2942 scsi_prot_sg_count(cmd), i) { 2943 num_ent = sg_dma_len(sg) / 8; 2944 if (k + num_ent < blocks_done) { 2945 k += num_ent; 2946 continue; 2947 } 2948 j = blocks_done - k - 1; 2949 k = blocks_done; 2950 break; 2951 } 2952 2953 if (k != blocks_done) { 2954 ql_log(ql_log_warn, vha, 0x302f, 2955 "unexpected tag values tag:lba=%x:%llx)\n", 2956 e_ref_tag, (unsigned long long)lba_s); 2957 return 1; 2958 } 2959 2960 spt = page_address(sg_page(sg)) + sg->offset; 2961 spt += j; 2962 2963 spt->app_tag = T10_PI_APP_ESCAPE; 2964 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2965 spt->ref_tag = T10_PI_REF_ESCAPE; 2966 } 2967 2968 return 0; 2969 } 2970 2971 /* check guard */ 2972 if (e_guard != a_guard) { 2973 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1); 2974 set_host_byte(cmd, DID_ABORT); 2975 return 1; 2976 } 2977 2978 /* check ref tag */ 2979 if (e_ref_tag != a_ref_tag) { 2980 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3); 2981 set_host_byte(cmd, DID_ABORT); 2982 return 1; 2983 } 2984 2985 /* check appl tag */ 2986 if (e_app_tag != a_app_tag) { 2987 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2); 2988 set_host_byte(cmd, DID_ABORT); 2989 return 1; 2990 } 2991 2992 return 1; 2993 } 2994 2995 static void 2996 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2997 struct req_que *req, uint32_t index) 2998 { 2999 struct qla_hw_data *ha = vha->hw; 3000 srb_t *sp; 3001 uint16_t comp_status; 3002 uint16_t scsi_status; 3003 uint16_t thread_id; 3004 uint32_t rval = EXT_STATUS_OK; 3005 struct bsg_job *bsg_job = NULL; 3006 struct fc_bsg_request *bsg_request; 3007 struct fc_bsg_reply *bsg_reply; 3008 sts_entry_t *sts = pkt; 3009 struct sts_entry_24xx *sts24 = pkt; 3010 3011 /* Validate handle. */ 3012 if (index >= req->num_outstanding_cmds) { 3013 ql_log(ql_log_warn, vha, 0x70af, 3014 "Invalid SCSI completion handle 0x%x.\n", index); 3015 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3016 return; 3017 } 3018 3019 sp = req->outstanding_cmds[index]; 3020 if (!sp) { 3021 ql_log(ql_log_warn, vha, 0x70b0, 3022 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 3023 req->id, index); 3024 3025 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3026 return; 3027 } 3028 3029 /* Free outstanding command slot. */ 3030 req->outstanding_cmds[index] = NULL; 3031 bsg_job = sp->u.bsg_job; 3032 bsg_request = bsg_job->request; 3033 bsg_reply = bsg_job->reply; 3034 3035 if (IS_FWI2_CAPABLE(ha)) { 3036 comp_status = le16_to_cpu(sts24->comp_status); 3037 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 3038 } else { 3039 comp_status = le16_to_cpu(sts->comp_status); 3040 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 3041 } 3042 3043 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 3044 switch (comp_status) { 3045 case CS_COMPLETE: 3046 if (scsi_status == 0) { 3047 bsg_reply->reply_payload_rcv_len = 3048 bsg_job->reply_payload.payload_len; 3049 vha->qla_stats.input_bytes += 3050 bsg_reply->reply_payload_rcv_len; 3051 vha->qla_stats.input_requests++; 3052 rval = EXT_STATUS_OK; 3053 } 3054 goto done; 3055 3056 case CS_DATA_OVERRUN: 3057 ql_dbg(ql_dbg_user, vha, 0x70b1, 3058 "Command completed with data overrun thread_id=%d\n", 3059 thread_id); 3060 rval = EXT_STATUS_DATA_OVERRUN; 3061 break; 3062 3063 case CS_DATA_UNDERRUN: 3064 ql_dbg(ql_dbg_user, vha, 0x70b2, 3065 "Command completed with data underrun thread_id=%d\n", 3066 thread_id); 3067 rval = EXT_STATUS_DATA_UNDERRUN; 3068 break; 3069 case CS_BIDIR_RD_OVERRUN: 3070 ql_dbg(ql_dbg_user, vha, 0x70b3, 3071 "Command completed with read data overrun thread_id=%d\n", 3072 thread_id); 3073 rval = EXT_STATUS_DATA_OVERRUN; 3074 break; 3075 3076 case CS_BIDIR_RD_WR_OVERRUN: 3077 ql_dbg(ql_dbg_user, vha, 0x70b4, 3078 "Command completed with read and write data overrun " 3079 "thread_id=%d\n", thread_id); 3080 rval = EXT_STATUS_DATA_OVERRUN; 3081 break; 3082 3083 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 3084 ql_dbg(ql_dbg_user, vha, 0x70b5, 3085 "Command completed with read data over and write data " 3086 "underrun thread_id=%d\n", thread_id); 3087 rval = EXT_STATUS_DATA_OVERRUN; 3088 break; 3089 3090 case CS_BIDIR_RD_UNDERRUN: 3091 ql_dbg(ql_dbg_user, vha, 0x70b6, 3092 "Command completed with read data underrun " 3093 "thread_id=%d\n", thread_id); 3094 rval = EXT_STATUS_DATA_UNDERRUN; 3095 break; 3096 3097 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 3098 ql_dbg(ql_dbg_user, vha, 0x70b7, 3099 "Command completed with read data under and write data " 3100 "overrun thread_id=%d\n", thread_id); 3101 rval = EXT_STATUS_DATA_UNDERRUN; 3102 break; 3103 3104 case CS_BIDIR_RD_WR_UNDERRUN: 3105 ql_dbg(ql_dbg_user, vha, 0x70b8, 3106 "Command completed with read and write data underrun " 3107 "thread_id=%d\n", thread_id); 3108 rval = EXT_STATUS_DATA_UNDERRUN; 3109 break; 3110 3111 case CS_BIDIR_DMA: 3112 ql_dbg(ql_dbg_user, vha, 0x70b9, 3113 "Command completed with data DMA error thread_id=%d\n", 3114 thread_id); 3115 rval = EXT_STATUS_DMA_ERR; 3116 break; 3117 3118 case CS_TIMEOUT: 3119 ql_dbg(ql_dbg_user, vha, 0x70ba, 3120 "Command completed with timeout thread_id=%d\n", 3121 thread_id); 3122 rval = EXT_STATUS_TIMEOUT; 3123 break; 3124 default: 3125 ql_dbg(ql_dbg_user, vha, 0x70bb, 3126 "Command completed with completion status=0x%x " 3127 "thread_id=%d\n", comp_status, thread_id); 3128 rval = EXT_STATUS_ERR; 3129 break; 3130 } 3131 bsg_reply->reply_payload_rcv_len = 0; 3132 3133 done: 3134 /* Return the vendor specific reply to API */ 3135 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 3136 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 3137 /* Always return DID_OK, bsg will send the vendor specific response 3138 * in this case only */ 3139 sp->done(sp, DID_OK << 16); 3140 3141 } 3142 3143 /** 3144 * qla2x00_status_entry() - Process a Status IOCB entry. 3145 * @vha: SCSI driver HA context 3146 * @rsp: response queue 3147 * @pkt: Entry pointer 3148 */ 3149 static void 3150 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 3151 { 3152 srb_t *sp; 3153 fc_port_t *fcport; 3154 struct scsi_cmnd *cp; 3155 sts_entry_t *sts = pkt; 3156 struct sts_entry_24xx *sts24 = pkt; 3157 uint16_t comp_status; 3158 uint16_t scsi_status; 3159 uint16_t ox_id; 3160 uint8_t lscsi_status; 3161 int32_t resid; 3162 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 3163 fw_resid_len; 3164 uint8_t *rsp_info, *sense_data; 3165 struct qla_hw_data *ha = vha->hw; 3166 uint32_t handle; 3167 uint16_t que; 3168 struct req_que *req; 3169 int logit = 1; 3170 int res = 0; 3171 uint16_t state_flags = 0; 3172 uint16_t sts_qual = 0; 3173 3174 if (IS_FWI2_CAPABLE(ha)) { 3175 comp_status = le16_to_cpu(sts24->comp_status); 3176 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 3177 state_flags = le16_to_cpu(sts24->state_flags); 3178 } else { 3179 comp_status = le16_to_cpu(sts->comp_status); 3180 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 3181 } 3182 handle = (uint32_t) LSW(sts->handle); 3183 que = MSW(sts->handle); 3184 req = ha->req_q_map[que]; 3185 3186 /* Check for invalid queue pointer */ 3187 if (req == NULL || 3188 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 3189 ql_dbg(ql_dbg_io, vha, 0x3059, 3190 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 3191 "que=%u.\n", sts->handle, req, que); 3192 return; 3193 } 3194 3195 /* Validate handle. */ 3196 if (handle < req->num_outstanding_cmds) { 3197 sp = req->outstanding_cmds[handle]; 3198 if (!sp) { 3199 ql_dbg(ql_dbg_io, vha, 0x3075, 3200 "%s(%ld): Already returned command for status handle (0x%x).\n", 3201 __func__, vha->host_no, sts->handle); 3202 return; 3203 } 3204 } else { 3205 ql_dbg(ql_dbg_io, vha, 0x3017, 3206 "Invalid status handle, out of range (0x%x).\n", 3207 sts->handle); 3208 3209 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 3210 if (IS_P3P_TYPE(ha)) 3211 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 3212 else 3213 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3214 qla2xxx_wake_dpc(vha); 3215 } 3216 return; 3217 } 3218 qla_put_fw_resources(sp->qpair, &sp->iores); 3219 3220 if (sp->cmd_type != TYPE_SRB) { 3221 req->outstanding_cmds[handle] = NULL; 3222 ql_dbg(ql_dbg_io, vha, 0x3015, 3223 "Unknown sp->cmd_type %x %p).\n", 3224 sp->cmd_type, sp); 3225 return; 3226 } 3227 3228 /* NVME completion. */ 3229 if (sp->type == SRB_NVME_CMD) { 3230 req->outstanding_cmds[handle] = NULL; 3231 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 3232 return; 3233 } 3234 3235 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 3236 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 3237 return; 3238 } 3239 3240 /* Task Management completion. */ 3241 if (sp->type == SRB_TM_CMD) { 3242 qla24xx_tm_iocb_entry(vha, req, pkt); 3243 return; 3244 } 3245 3246 /* Fast path completion. */ 3247 qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24); 3248 sp->qpair->cmd_completion_cnt++; 3249 3250 if (comp_status == CS_COMPLETE && scsi_status == 0) { 3251 qla2x00_process_completed_request(vha, req, handle); 3252 3253 return; 3254 } 3255 3256 cp = GET_CMD_SP(sp); 3257 if (cp == NULL) { 3258 ql_dbg(ql_dbg_io, vha, 0x3018, 3259 "Command already returned (0x%x/%p).\n", 3260 sts->handle, sp); 3261 3262 req->outstanding_cmds[handle] = NULL; 3263 return; 3264 } 3265 3266 lscsi_status = scsi_status & STATUS_MASK; 3267 3268 fcport = sp->fcport; 3269 3270 ox_id = 0; 3271 sense_len = par_sense_len = rsp_info_len = resid_len = 3272 fw_resid_len = 0; 3273 if (IS_FWI2_CAPABLE(ha)) { 3274 if (scsi_status & SS_SENSE_LEN_VALID) 3275 sense_len = le32_to_cpu(sts24->sense_len); 3276 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 3277 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 3278 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 3279 resid_len = le32_to_cpu(sts24->rsp_residual_count); 3280 if (comp_status == CS_DATA_UNDERRUN) 3281 fw_resid_len = le32_to_cpu(sts24->residual_len); 3282 rsp_info = sts24->data; 3283 sense_data = sts24->data; 3284 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 3285 ox_id = le16_to_cpu(sts24->ox_id); 3286 par_sense_len = sizeof(sts24->data); 3287 sts_qual = le16_to_cpu(sts24->status_qualifier); 3288 } else { 3289 if (scsi_status & SS_SENSE_LEN_VALID) 3290 sense_len = le16_to_cpu(sts->req_sense_length); 3291 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 3292 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 3293 resid_len = le32_to_cpu(sts->residual_length); 3294 rsp_info = sts->rsp_info; 3295 sense_data = sts->req_sense_data; 3296 par_sense_len = sizeof(sts->req_sense_data); 3297 } 3298 3299 /* Check for any FCP transport errors. */ 3300 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 3301 /* Sense data lies beyond any FCP RESPONSE data. */ 3302 if (IS_FWI2_CAPABLE(ha)) { 3303 sense_data += rsp_info_len; 3304 par_sense_len -= rsp_info_len; 3305 } 3306 if (rsp_info_len > 3 && rsp_info[3]) { 3307 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 3308 "FCP I/O protocol failure (0x%x/0x%x).\n", 3309 rsp_info_len, rsp_info[3]); 3310 3311 res = DID_BUS_BUSY << 16; 3312 goto out; 3313 } 3314 } 3315 3316 /* Check for overrun. */ 3317 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 3318 scsi_status & SS_RESIDUAL_OVER) 3319 comp_status = CS_DATA_OVERRUN; 3320 3321 /* 3322 * Check retry_delay_timer value if we receive a busy or 3323 * queue full. 3324 */ 3325 if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL || 3326 lscsi_status == SAM_STAT_BUSY)) 3327 qla2x00_set_retry_delay_timestamp(fcport, sts_qual); 3328 3329 /* 3330 * Based on Host and scsi status generate status code for Linux 3331 */ 3332 switch (comp_status) { 3333 case CS_COMPLETE: 3334 case CS_QUEUE_FULL: 3335 if (scsi_status == 0) { 3336 res = DID_OK << 16; 3337 break; 3338 } 3339 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 3340 resid = resid_len; 3341 scsi_set_resid(cp, resid); 3342 3343 if (!lscsi_status && 3344 ((unsigned)(scsi_bufflen(cp) - resid) < 3345 cp->underflow)) { 3346 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 3347 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 3348 resid, scsi_bufflen(cp)); 3349 3350 res = DID_ERROR << 16; 3351 break; 3352 } 3353 } 3354 res = DID_OK << 16 | lscsi_status; 3355 3356 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 3357 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 3358 "QUEUE FULL detected.\n"); 3359 break; 3360 } 3361 logit = 0; 3362 if (lscsi_status != SS_CHECK_CONDITION) 3363 break; 3364 3365 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 3366 if (!(scsi_status & SS_SENSE_LEN_VALID)) 3367 break; 3368 3369 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 3370 rsp, res); 3371 break; 3372 3373 case CS_DATA_UNDERRUN: 3374 /* Use F/W calculated residual length. */ 3375 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 3376 scsi_set_resid(cp, resid); 3377 if (scsi_status & SS_RESIDUAL_UNDER) { 3378 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 3379 ql_log(ql_log_warn, fcport->vha, 0x301d, 3380 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 3381 resid, scsi_bufflen(cp)); 3382 3383 res = DID_ERROR << 16 | lscsi_status; 3384 goto check_scsi_status; 3385 } 3386 3387 if (!lscsi_status && 3388 ((unsigned)(scsi_bufflen(cp) - resid) < 3389 cp->underflow)) { 3390 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 3391 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 3392 resid, scsi_bufflen(cp)); 3393 3394 res = DID_ERROR << 16; 3395 break; 3396 } 3397 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 3398 lscsi_status != SAM_STAT_BUSY) { 3399 /* 3400 * scsi status of task set and busy are considered to be 3401 * task not completed. 3402 */ 3403 3404 ql_log(ql_log_warn, fcport->vha, 0x301f, 3405 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 3406 resid, scsi_bufflen(cp)); 3407 3408 vha->interface_err_cnt++; 3409 3410 res = DID_ERROR << 16 | lscsi_status; 3411 goto check_scsi_status; 3412 } else { 3413 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 3414 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 3415 scsi_status, lscsi_status); 3416 } 3417 3418 res = DID_OK << 16 | lscsi_status; 3419 logit = 0; 3420 3421 check_scsi_status: 3422 /* 3423 * Check to see if SCSI Status is non zero. If so report SCSI 3424 * Status. 3425 */ 3426 if (lscsi_status != 0) { 3427 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 3428 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 3429 "QUEUE FULL detected.\n"); 3430 logit = 1; 3431 break; 3432 } 3433 if (lscsi_status != SS_CHECK_CONDITION) 3434 break; 3435 3436 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 3437 if (!(scsi_status & SS_SENSE_LEN_VALID)) 3438 break; 3439 3440 qla2x00_handle_sense(sp, sense_data, par_sense_len, 3441 sense_len, rsp, res); 3442 } 3443 break; 3444 3445 case CS_PORT_LOGGED_OUT: 3446 case CS_PORT_CONFIG_CHG: 3447 case CS_PORT_BUSY: 3448 case CS_INCOMPLETE: 3449 case CS_PORT_UNAVAILABLE: 3450 case CS_TIMEOUT: 3451 case CS_RESET: 3452 case CS_EDIF_INV_REQ: 3453 3454 /* 3455 * We are going to have the fc class block the rport 3456 * while we try to recover so instruct the mid layer 3457 * to requeue until the class decides how to handle this. 3458 */ 3459 res = DID_TRANSPORT_DISRUPTED << 16; 3460 3461 if (comp_status == CS_TIMEOUT) { 3462 if (IS_FWI2_CAPABLE(ha)) 3463 break; 3464 else if ((le16_to_cpu(sts->status_flags) & 3465 SF_LOGOUT_SENT) == 0) 3466 break; 3467 } 3468 3469 if (atomic_read(&fcport->state) == FCS_ONLINE) { 3470 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 3471 "Port to be marked lost on fcport=%02x%02x%02x, current " 3472 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 3473 fcport->d_id.b.area, fcport->d_id.b.al_pa, 3474 port_state_str[FCS_ONLINE], 3475 comp_status); 3476 3477 qlt_schedule_sess_for_deletion(fcport); 3478 } 3479 3480 break; 3481 3482 case CS_ABORTED: 3483 res = DID_RESET << 16; 3484 break; 3485 3486 case CS_DIF_ERROR: 3487 logit = qla2x00_handle_dif_error(sp, sts24); 3488 res = cp->result; 3489 break; 3490 3491 case CS_TRANSPORT: 3492 res = DID_ERROR << 16; 3493 vha->hw_err_cnt++; 3494 3495 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 3496 break; 3497 3498 if (state_flags & BIT_4) 3499 scmd_printk(KERN_WARNING, cp, 3500 "Unsupported device '%s' found.\n", 3501 cp->device->vendor); 3502 break; 3503 3504 case CS_DMA: 3505 ql_log(ql_log_info, fcport->vha, 0x3022, 3506 "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", 3507 comp_status, scsi_status, res, vha->host_no, 3508 cp->device->id, cp->device->lun, fcport->d_id.b24, 3509 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 3510 resid_len, fw_resid_len, sp, cp); 3511 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 3512 pkt, sizeof(*sts24)); 3513 res = DID_ERROR << 16; 3514 vha->hw_err_cnt++; 3515 break; 3516 default: 3517 res = DID_ERROR << 16; 3518 break; 3519 } 3520 3521 out: 3522 if (logit) 3523 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 3524 "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", 3525 comp_status, scsi_status, res, vha->host_no, 3526 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 3527 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 3528 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 3529 resid_len, fw_resid_len, sp, cp); 3530 3531 if (rsp->status_srb == NULL) 3532 sp->done(sp, res); 3533 3534 /* for io's, clearing of outstanding_cmds[handle] means scsi_done was called */ 3535 req->outstanding_cmds[handle] = NULL; 3536 } 3537 3538 /** 3539 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 3540 * @rsp: response queue 3541 * @pkt: Entry pointer 3542 * 3543 * Extended sense data. 3544 */ 3545 static void 3546 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 3547 { 3548 uint8_t sense_sz = 0; 3549 struct qla_hw_data *ha = rsp->hw; 3550 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 3551 srb_t *sp = rsp->status_srb; 3552 struct scsi_cmnd *cp; 3553 uint32_t sense_len; 3554 uint8_t *sense_ptr; 3555 3556 if (!sp || !GET_CMD_SENSE_LEN(sp)) 3557 return; 3558 3559 sense_len = GET_CMD_SENSE_LEN(sp); 3560 sense_ptr = GET_CMD_SENSE_PTR(sp); 3561 3562 cp = GET_CMD_SP(sp); 3563 if (cp == NULL) { 3564 ql_log(ql_log_warn, vha, 0x3025, 3565 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 3566 3567 rsp->status_srb = NULL; 3568 return; 3569 } 3570 3571 if (sense_len > sizeof(pkt->data)) 3572 sense_sz = sizeof(pkt->data); 3573 else 3574 sense_sz = sense_len; 3575 3576 /* Move sense data. */ 3577 if (IS_FWI2_CAPABLE(ha)) 3578 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 3579 memcpy(sense_ptr, pkt->data, sense_sz); 3580 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 3581 sense_ptr, sense_sz); 3582 3583 sense_len -= sense_sz; 3584 sense_ptr += sense_sz; 3585 3586 SET_CMD_SENSE_PTR(sp, sense_ptr); 3587 SET_CMD_SENSE_LEN(sp, sense_len); 3588 3589 /* Place command on done queue. */ 3590 if (sense_len == 0) { 3591 rsp->status_srb = NULL; 3592 sp->done(sp, cp->result); 3593 } 3594 } 3595 3596 /** 3597 * qla2x00_error_entry() - Process an error entry. 3598 * @vha: SCSI driver HA context 3599 * @rsp: response queue 3600 * @pkt: Entry pointer 3601 * return : 1=allow further error analysis. 0=no additional error analysis. 3602 */ 3603 static int 3604 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 3605 { 3606 srb_t *sp; 3607 struct qla_hw_data *ha = vha->hw; 3608 const char func[] = "ERROR-IOCB"; 3609 uint16_t que = MSW(pkt->handle); 3610 struct req_que *req = NULL; 3611 int res = DID_ERROR << 16; 3612 u16 index; 3613 3614 ql_dbg(ql_dbg_async, vha, 0x502a, 3615 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 3616 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 3617 3618 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 3619 goto fatal; 3620 3621 req = ha->req_q_map[que]; 3622 3623 if (pkt->entry_status & RF_BUSY) 3624 res = DID_BUS_BUSY << 16; 3625 3626 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 3627 return 0; 3628 3629 switch (pkt->entry_type) { 3630 case NOTIFY_ACK_TYPE: 3631 case STATUS_CONT_TYPE: 3632 case LOGINOUT_PORT_IOCB_TYPE: 3633 case CT_IOCB_TYPE: 3634 case ELS_IOCB_TYPE: 3635 case ABORT_IOCB_TYPE: 3636 case MBX_IOCB_TYPE: 3637 default: 3638 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3639 if (sp) { 3640 sp->done(sp, res); 3641 return 0; 3642 } 3643 break; 3644 3645 case SA_UPDATE_IOCB_TYPE: 3646 case ABTS_RESP_24XX: 3647 case CTIO_TYPE7: 3648 case CTIO_CRC2: 3649 return 1; 3650 case STATUS_TYPE: 3651 sp = qla_get_sp_from_handle(vha, func, req, pkt, &index); 3652 if (sp) { 3653 sp->done(sp, res); 3654 req->outstanding_cmds[index] = NULL; 3655 return 0; 3656 } 3657 break; 3658 } 3659 fatal: 3660 ql_log(ql_log_warn, vha, 0x5030, 3661 "Error entry - invalid handle/queue (%04x).\n", que); 3662 return 0; 3663 } 3664 3665 /** 3666 * qla24xx_mbx_completion() - Process mailbox command completions. 3667 * @vha: SCSI driver HA context 3668 * @mb0: Mailbox0 register 3669 */ 3670 static void 3671 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 3672 { 3673 uint16_t cnt; 3674 uint32_t mboxes; 3675 __le16 __iomem *wptr; 3676 struct qla_hw_data *ha = vha->hw; 3677 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3678 3679 /* Read all mbox registers? */ 3680 WARN_ON_ONCE(ha->mbx_count > 32); 3681 mboxes = (1ULL << ha->mbx_count) - 1; 3682 if (!ha->mcp) 3683 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 3684 else 3685 mboxes = ha->mcp->in_mb; 3686 3687 /* Load return mailbox registers. */ 3688 ha->flags.mbox_int = 1; 3689 ha->mailbox_out[0] = mb0; 3690 mboxes >>= 1; 3691 wptr = ®->mailbox1; 3692 3693 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 3694 if (mboxes & BIT_0) 3695 ha->mailbox_out[cnt] = rd_reg_word(wptr); 3696 3697 mboxes >>= 1; 3698 wptr++; 3699 } 3700 } 3701 3702 static void 3703 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 3704 struct abort_entry_24xx *pkt) 3705 { 3706 const char func[] = "ABT_IOCB"; 3707 srb_t *sp; 3708 srb_t *orig_sp = NULL; 3709 struct srb_iocb *abt; 3710 3711 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3712 if (!sp) 3713 return; 3714 3715 abt = &sp->u.iocb_cmd; 3716 abt->u.abt.comp_status = pkt->comp_status; 3717 orig_sp = sp->cmd_sp; 3718 /* Need to pass original sp */ 3719 if (orig_sp) 3720 qla_nvme_abort_process_comp_status(pkt, orig_sp); 3721 3722 sp->done(sp, 0); 3723 } 3724 3725 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 3726 struct pt_ls4_request *pkt, struct req_que *req) 3727 { 3728 srb_t *sp; 3729 const char func[] = "LS4_IOCB"; 3730 uint16_t comp_status; 3731 3732 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3733 if (!sp) 3734 return; 3735 3736 comp_status = le16_to_cpu(pkt->status); 3737 sp->done(sp, comp_status); 3738 } 3739 3740 /** 3741 * qla_chk_cont_iocb_avail - check for all continuation iocbs are available 3742 * before iocb processing can start. 3743 * @vha: host adapter pointer 3744 * @rsp: respond queue 3745 * @pkt: head iocb describing how many continuation iocb 3746 * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived. 3747 */ 3748 static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha, 3749 struct rsp_que *rsp, response_t *pkt, u32 rsp_q_in) 3750 { 3751 int start_pkt_ring_index; 3752 u32 iocb_cnt = 0; 3753 int rc = 0; 3754 3755 if (pkt->entry_count == 1) 3756 return rc; 3757 3758 /* ring_index was pre-increment. set it back to current pkt */ 3759 if (rsp->ring_index == 0) 3760 start_pkt_ring_index = rsp->length - 1; 3761 else 3762 start_pkt_ring_index = rsp->ring_index - 1; 3763 3764 if (rsp_q_in < start_pkt_ring_index) 3765 /* q in ptr is wrapped */ 3766 iocb_cnt = rsp->length - start_pkt_ring_index + rsp_q_in; 3767 else 3768 iocb_cnt = rsp_q_in - start_pkt_ring_index; 3769 3770 if (iocb_cnt < pkt->entry_count) 3771 rc = -EIO; 3772 3773 ql_dbg(ql_dbg_init, vha, 0x5091, 3774 "%s - ring %p pkt %p entry count %d iocb_cnt %d rsp_q_in %d rc %d\n", 3775 __func__, rsp->ring, pkt, pkt->entry_count, iocb_cnt, rsp_q_in, rc); 3776 3777 return rc; 3778 } 3779 3780 static void qla_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 3781 struct mrk_entry_24xx *pkt) 3782 { 3783 const char func[] = "MRK-IOCB"; 3784 srb_t *sp; 3785 int res = QLA_SUCCESS; 3786 3787 if (!IS_FWI2_CAPABLE(vha->hw)) 3788 return; 3789 3790 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3791 if (!sp) 3792 return; 3793 3794 if (pkt->entry_status) { 3795 ql_dbg(ql_dbg_taskm, vha, 0x8025, "marker failure.\n"); 3796 res = QLA_COMMAND_ERROR; 3797 } 3798 sp->u.iocb_cmd.u.tmf.data = res; 3799 sp->done(sp, res); 3800 } 3801 3802 /** 3803 * qla24xx_process_response_queue() - Process response queue entries. 3804 * @vha: SCSI driver HA context 3805 * @rsp: response queue 3806 */ 3807 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 3808 struct rsp_que *rsp) 3809 { 3810 struct sts_entry_24xx *pkt; 3811 struct qla_hw_data *ha = vha->hw; 3812 struct purex_entry_24xx *purex_entry; 3813 struct purex_item *pure_item; 3814 u16 rsp_in = 0, cur_ring_index; 3815 int is_shadow_hba; 3816 3817 if (!ha->flags.fw_started) 3818 return; 3819 3820 if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) { 3821 rsp->qpair->rcv_intr = 1; 3822 3823 if (!rsp->qpair->cpu_mapped) 3824 qla_cpu_update(rsp->qpair, raw_smp_processor_id()); 3825 } 3826 3827 #define __update_rsp_in(_is_shadow_hba, _rsp, _rsp_in) \ 3828 do { \ 3829 _rsp_in = _is_shadow_hba ? *(_rsp)->in_ptr : \ 3830 rd_reg_dword_relaxed((_rsp)->rsp_q_in); \ 3831 } while (0) 3832 3833 is_shadow_hba = IS_SHADOW_REG_CAPABLE(ha); 3834 3835 __update_rsp_in(is_shadow_hba, rsp, rsp_in); 3836 3837 while (rsp->ring_index != rsp_in && 3838 rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 3839 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 3840 cur_ring_index = rsp->ring_index; 3841 3842 rsp->ring_index++; 3843 if (rsp->ring_index == rsp->length) { 3844 rsp->ring_index = 0; 3845 rsp->ring_ptr = rsp->ring; 3846 } else { 3847 rsp->ring_ptr++; 3848 } 3849 3850 if (pkt->entry_status != 0) { 3851 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 3852 goto process_err; 3853 3854 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3855 wmb(); 3856 continue; 3857 } 3858 process_err: 3859 3860 switch (pkt->entry_type) { 3861 case STATUS_TYPE: 3862 qla2x00_status_entry(vha, rsp, pkt); 3863 break; 3864 case STATUS_CONT_TYPE: 3865 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 3866 break; 3867 case VP_RPT_ID_IOCB_TYPE: 3868 qla24xx_report_id_acquisition(vha, 3869 (struct vp_rpt_id_entry_24xx *)pkt); 3870 break; 3871 case LOGINOUT_PORT_IOCB_TYPE: 3872 qla24xx_logio_entry(vha, rsp->req, 3873 (struct logio_entry_24xx *)pkt); 3874 break; 3875 case CT_IOCB_TYPE: 3876 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 3877 break; 3878 case ELS_IOCB_TYPE: 3879 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 3880 break; 3881 case ABTS_RECV_24XX: 3882 if (qla_ini_mode_enabled(vha)) { 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_abts); 3888 break; 3889 } 3890 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || 3891 IS_QLA28XX(ha)) { 3892 /* ensure that the ATIO queue is empty */ 3893 qlt_handle_abts_recv(vha, rsp, 3894 (response_t *)pkt); 3895 break; 3896 } else { 3897 qlt_24xx_process_atio_queue(vha, 1); 3898 } 3899 fallthrough; 3900 case ABTS_RESP_24XX: 3901 case CTIO_TYPE7: 3902 case CTIO_CRC2: 3903 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3904 break; 3905 case PT_LS4_REQUEST: 3906 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3907 rsp->req); 3908 break; 3909 case NOTIFY_ACK_TYPE: 3910 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3911 qlt_response_pkt_all_vps(vha, rsp, 3912 (response_t *)pkt); 3913 else 3914 qla24xxx_nack_iocb_entry(vha, rsp->req, 3915 (struct nack_to_isp *)pkt); 3916 break; 3917 case MARKER_TYPE: 3918 qla_marker_iocb_entry(vha, rsp->req, (struct mrk_entry_24xx *)pkt); 3919 break; 3920 case ABORT_IOCB_TYPE: 3921 qla24xx_abort_iocb_entry(vha, rsp->req, 3922 (struct abort_entry_24xx *)pkt); 3923 break; 3924 case MBX_IOCB_TYPE: 3925 qla24xx_mbx_iocb_entry(vha, rsp->req, 3926 (struct mbx_24xx_entry *)pkt); 3927 break; 3928 case VP_CTRL_IOCB_TYPE: 3929 qla_ctrlvp_completed(vha, rsp->req, 3930 (struct vp_ctrl_entry_24xx *)pkt); 3931 break; 3932 case PUREX_IOCB_TYPE: 3933 purex_entry = (void *)pkt; 3934 switch (purex_entry->els_frame_payload[3]) { 3935 case ELS_RDP: 3936 pure_item = qla24xx_copy_std_pkt(vha, pkt); 3937 if (!pure_item) 3938 break; 3939 qla24xx_queue_purex_item(vha, pure_item, 3940 qla24xx_process_purex_rdp); 3941 break; 3942 case ELS_FPIN: 3943 if (!vha->hw->flags.scm_enabled) { 3944 ql_log(ql_log_warn, vha, 0x5094, 3945 "SCM not active for this port\n"); 3946 break; 3947 } 3948 pure_item = qla27xx_copy_fpin_pkt(vha, 3949 (void **)&pkt, &rsp); 3950 __update_rsp_in(is_shadow_hba, rsp, rsp_in); 3951 if (!pure_item) 3952 break; 3953 qla24xx_queue_purex_item(vha, pure_item, 3954 qla27xx_process_purex_fpin); 3955 break; 3956 3957 case ELS_AUTH_ELS: 3958 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt, rsp_in)) { 3959 /* 3960 * ring_ptr and ring_index were 3961 * pre-incremented above. Reset them 3962 * back to current. Wait for next 3963 * interrupt with all IOCBs to arrive 3964 * and re-process. 3965 */ 3966 rsp->ring_ptr = (response_t *)pkt; 3967 rsp->ring_index = cur_ring_index; 3968 3969 ql_dbg(ql_dbg_init, vha, 0x5091, 3970 "Defer processing ELS opcode %#x...\n", 3971 purex_entry->els_frame_payload[3]); 3972 return; 3973 } 3974 qla24xx_auth_els(vha, (void **)&pkt, &rsp); 3975 break; 3976 default: 3977 ql_log(ql_log_warn, vha, 0x509c, 3978 "Discarding ELS Request opcode 0x%x\n", 3979 purex_entry->els_frame_payload[3]); 3980 } 3981 break; 3982 case SA_UPDATE_IOCB_TYPE: 3983 qla28xx_sa_update_iocb_entry(vha, rsp->req, 3984 (struct sa_update_28xx *)pkt); 3985 break; 3986 3987 default: 3988 /* Type Not Supported. */ 3989 ql_dbg(ql_dbg_async, vha, 0x5042, 3990 "Received unknown response pkt type 0x%x entry status=%x.\n", 3991 pkt->entry_type, pkt->entry_status); 3992 break; 3993 } 3994 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3995 wmb(); 3996 } 3997 3998 /* Adjust ring index */ 3999 if (IS_P3P_TYPE(ha)) { 4000 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 4001 4002 wrt_reg_dword(®->rsp_q_out[0], rsp->ring_index); 4003 } else { 4004 wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index); 4005 } 4006 } 4007 4008 static void 4009 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 4010 { 4011 int rval; 4012 uint32_t cnt; 4013 struct qla_hw_data *ha = vha->hw; 4014 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 4015 4016 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 4017 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 4018 return; 4019 4020 rval = QLA_SUCCESS; 4021 wrt_reg_dword(®->iobase_addr, 0x7C00); 4022 rd_reg_dword(®->iobase_addr); 4023 wrt_reg_dword(®->iobase_window, 0x0001); 4024 for (cnt = 10000; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && 4025 rval == QLA_SUCCESS; cnt--) { 4026 if (cnt) { 4027 wrt_reg_dword(®->iobase_window, 0x0001); 4028 udelay(10); 4029 } else 4030 rval = QLA_FUNCTION_TIMEOUT; 4031 } 4032 if (rval == QLA_SUCCESS) 4033 goto next_test; 4034 4035 rval = QLA_SUCCESS; 4036 wrt_reg_dword(®->iobase_window, 0x0003); 4037 for (cnt = 100; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && 4038 rval == QLA_SUCCESS; cnt--) { 4039 if (cnt) { 4040 wrt_reg_dword(®->iobase_window, 0x0003); 4041 udelay(10); 4042 } else 4043 rval = QLA_FUNCTION_TIMEOUT; 4044 } 4045 if (rval != QLA_SUCCESS) 4046 goto done; 4047 4048 next_test: 4049 if (rd_reg_dword(®->iobase_c8) & BIT_3) 4050 ql_log(ql_log_info, vha, 0x504c, 4051 "Additional code -- 0x55AA.\n"); 4052 4053 done: 4054 wrt_reg_dword(®->iobase_window, 0x0000); 4055 rd_reg_dword(®->iobase_window); 4056 } 4057 4058 /** 4059 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 4060 * @irq: interrupt number 4061 * @dev_id: SCSI driver HA context 4062 * 4063 * Called by system whenever the host adapter generates an interrupt. 4064 * 4065 * Returns handled flag. 4066 */ 4067 irqreturn_t 4068 qla24xx_intr_handler(int irq, void *dev_id) 4069 { 4070 scsi_qla_host_t *vha; 4071 struct qla_hw_data *ha; 4072 struct device_reg_24xx __iomem *reg; 4073 int status; 4074 unsigned long iter; 4075 uint32_t stat; 4076 uint32_t hccr; 4077 uint16_t mb[8]; 4078 struct rsp_que *rsp; 4079 unsigned long flags; 4080 bool process_atio = false; 4081 4082 rsp = (struct rsp_que *) dev_id; 4083 if (!rsp) { 4084 ql_log(ql_log_info, NULL, 0x5059, 4085 "%s: NULL response queue pointer.\n", __func__); 4086 return IRQ_NONE; 4087 } 4088 4089 ha = rsp->hw; 4090 reg = &ha->iobase->isp24; 4091 status = 0; 4092 4093 if (unlikely(pci_channel_offline(ha->pdev))) 4094 return IRQ_HANDLED; 4095 4096 spin_lock_irqsave(&ha->hardware_lock, flags); 4097 vha = pci_get_drvdata(ha->pdev); 4098 for (iter = 50; iter--; ) { 4099 stat = rd_reg_dword(®->host_status); 4100 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 4101 break; 4102 if (stat & HSRX_RISC_PAUSED) { 4103 if (unlikely(pci_channel_offline(ha->pdev))) 4104 break; 4105 4106 hccr = rd_reg_dword(®->hccr); 4107 4108 ql_log(ql_log_warn, vha, 0x504b, 4109 "RISC paused -- HCCR=%x, Dumping firmware.\n", 4110 hccr); 4111 4112 qla2xxx_check_risc_status(vha); 4113 4114 ha->isp_ops->fw_dump(vha); 4115 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 4116 break; 4117 } else if ((stat & HSRX_RISC_INT) == 0) 4118 break; 4119 4120 switch (stat & 0xff) { 4121 case INTR_ROM_MB_SUCCESS: 4122 case INTR_ROM_MB_FAILED: 4123 case INTR_MB_SUCCESS: 4124 case INTR_MB_FAILED: 4125 qla24xx_mbx_completion(vha, MSW(stat)); 4126 status |= MBX_INTERRUPT; 4127 4128 break; 4129 case INTR_ASYNC_EVENT: 4130 mb[0] = MSW(stat); 4131 mb[1] = rd_reg_word(®->mailbox1); 4132 mb[2] = rd_reg_word(®->mailbox2); 4133 mb[3] = rd_reg_word(®->mailbox3); 4134 qla2x00_async_event(vha, rsp, mb); 4135 break; 4136 case INTR_RSP_QUE_UPDATE: 4137 case INTR_RSP_QUE_UPDATE_83XX: 4138 qla24xx_process_response_queue(vha, rsp); 4139 break; 4140 case INTR_ATIO_QUE_UPDATE_27XX: 4141 case INTR_ATIO_QUE_UPDATE: 4142 process_atio = true; 4143 break; 4144 case INTR_ATIO_RSP_QUE_UPDATE: 4145 process_atio = true; 4146 qla24xx_process_response_queue(vha, rsp); 4147 break; 4148 default: 4149 ql_dbg(ql_dbg_async, vha, 0x504f, 4150 "Unrecognized interrupt type (%d).\n", stat * 0xff); 4151 break; 4152 } 4153 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4154 rd_reg_dword_relaxed(®->hccr); 4155 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 4156 ndelay(3500); 4157 } 4158 qla2x00_handle_mbx_completion(ha, status); 4159 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4160 4161 if (process_atio) { 4162 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 4163 qlt_24xx_process_atio_queue(vha, 0); 4164 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 4165 } 4166 4167 return IRQ_HANDLED; 4168 } 4169 4170 static irqreturn_t 4171 qla24xx_msix_rsp_q(int irq, void *dev_id) 4172 { 4173 struct qla_hw_data *ha; 4174 struct rsp_que *rsp; 4175 struct device_reg_24xx __iomem *reg; 4176 struct scsi_qla_host *vha; 4177 unsigned long flags; 4178 4179 rsp = (struct rsp_que *) dev_id; 4180 if (!rsp) { 4181 ql_log(ql_log_info, NULL, 0x505a, 4182 "%s: NULL response queue pointer.\n", __func__); 4183 return IRQ_NONE; 4184 } 4185 ha = rsp->hw; 4186 reg = &ha->iobase->isp24; 4187 4188 spin_lock_irqsave(&ha->hardware_lock, flags); 4189 4190 vha = pci_get_drvdata(ha->pdev); 4191 qla24xx_process_response_queue(vha, rsp); 4192 if (!ha->flags.disable_msix_handshake) { 4193 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4194 rd_reg_dword_relaxed(®->hccr); 4195 } 4196 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4197 4198 return IRQ_HANDLED; 4199 } 4200 4201 static irqreturn_t 4202 qla24xx_msix_default(int irq, void *dev_id) 4203 { 4204 scsi_qla_host_t *vha; 4205 struct qla_hw_data *ha; 4206 struct rsp_que *rsp; 4207 struct device_reg_24xx __iomem *reg; 4208 int status; 4209 uint32_t stat; 4210 uint32_t hccr; 4211 uint16_t mb[8]; 4212 unsigned long flags; 4213 bool process_atio = false; 4214 4215 rsp = (struct rsp_que *) dev_id; 4216 if (!rsp) { 4217 ql_log(ql_log_info, NULL, 0x505c, 4218 "%s: NULL response queue pointer.\n", __func__); 4219 return IRQ_NONE; 4220 } 4221 ha = rsp->hw; 4222 reg = &ha->iobase->isp24; 4223 status = 0; 4224 4225 spin_lock_irqsave(&ha->hardware_lock, flags); 4226 vha = pci_get_drvdata(ha->pdev); 4227 do { 4228 stat = rd_reg_dword(®->host_status); 4229 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 4230 break; 4231 if (stat & HSRX_RISC_PAUSED) { 4232 if (unlikely(pci_channel_offline(ha->pdev))) 4233 break; 4234 4235 hccr = rd_reg_dword(®->hccr); 4236 4237 ql_log(ql_log_info, vha, 0x5050, 4238 "RISC paused -- HCCR=%x, Dumping firmware.\n", 4239 hccr); 4240 4241 qla2xxx_check_risc_status(vha); 4242 vha->hw_err_cnt++; 4243 4244 ha->isp_ops->fw_dump(vha); 4245 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 4246 break; 4247 } else if ((stat & HSRX_RISC_INT) == 0) 4248 break; 4249 4250 switch (stat & 0xff) { 4251 case INTR_ROM_MB_SUCCESS: 4252 case INTR_ROM_MB_FAILED: 4253 case INTR_MB_SUCCESS: 4254 case INTR_MB_FAILED: 4255 qla24xx_mbx_completion(vha, MSW(stat)); 4256 status |= MBX_INTERRUPT; 4257 4258 break; 4259 case INTR_ASYNC_EVENT: 4260 mb[0] = MSW(stat); 4261 mb[1] = rd_reg_word(®->mailbox1); 4262 mb[2] = rd_reg_word(®->mailbox2); 4263 mb[3] = rd_reg_word(®->mailbox3); 4264 qla2x00_async_event(vha, rsp, mb); 4265 break; 4266 case INTR_RSP_QUE_UPDATE: 4267 case INTR_RSP_QUE_UPDATE_83XX: 4268 qla24xx_process_response_queue(vha, rsp); 4269 break; 4270 case INTR_ATIO_QUE_UPDATE_27XX: 4271 case INTR_ATIO_QUE_UPDATE: 4272 process_atio = true; 4273 break; 4274 case INTR_ATIO_RSP_QUE_UPDATE: 4275 process_atio = true; 4276 qla24xx_process_response_queue(vha, rsp); 4277 break; 4278 default: 4279 ql_dbg(ql_dbg_async, vha, 0x5051, 4280 "Unrecognized interrupt type (%d).\n", stat & 0xff); 4281 break; 4282 } 4283 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4284 } while (0); 4285 qla2x00_handle_mbx_completion(ha, status); 4286 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4287 4288 if (process_atio) { 4289 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 4290 qlt_24xx_process_atio_queue(vha, 0); 4291 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 4292 } 4293 4294 return IRQ_HANDLED; 4295 } 4296 4297 irqreturn_t 4298 qla2xxx_msix_rsp_q(int irq, void *dev_id) 4299 { 4300 struct qla_hw_data *ha; 4301 struct qla_qpair *qpair; 4302 4303 qpair = dev_id; 4304 if (!qpair) { 4305 ql_log(ql_log_info, NULL, 0x505b, 4306 "%s: NULL response queue pointer.\n", __func__); 4307 return IRQ_NONE; 4308 } 4309 ha = qpair->hw; 4310 4311 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); 4312 4313 return IRQ_HANDLED; 4314 } 4315 4316 irqreturn_t 4317 qla2xxx_msix_rsp_q_hs(int irq, void *dev_id) 4318 { 4319 struct qla_hw_data *ha; 4320 struct qla_qpair *qpair; 4321 struct device_reg_24xx __iomem *reg; 4322 unsigned long flags; 4323 4324 qpair = dev_id; 4325 if (!qpair) { 4326 ql_log(ql_log_info, NULL, 0x505b, 4327 "%s: NULL response queue pointer.\n", __func__); 4328 return IRQ_NONE; 4329 } 4330 ha = qpair->hw; 4331 4332 reg = &ha->iobase->isp24; 4333 spin_lock_irqsave(&ha->hardware_lock, flags); 4334 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4335 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4336 4337 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); 4338 4339 return IRQ_HANDLED; 4340 } 4341 4342 /* Interrupt handling helpers. */ 4343 4344 struct qla_init_msix_entry { 4345 const char *name; 4346 irq_handler_t handler; 4347 }; 4348 4349 static const struct qla_init_msix_entry msix_entries[] = { 4350 { "default", qla24xx_msix_default }, 4351 { "rsp_q", qla24xx_msix_rsp_q }, 4352 { "atio_q", qla83xx_msix_atio_q }, 4353 { "qpair_multiq", qla2xxx_msix_rsp_q }, 4354 { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs }, 4355 }; 4356 4357 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 4358 { "qla2xxx (default)", qla82xx_msix_default }, 4359 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 4360 }; 4361 4362 static int 4363 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 4364 { 4365 int i, ret; 4366 struct qla_msix_entry *qentry; 4367 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4368 int min_vecs = QLA_BASE_VECTORS; 4369 struct irq_affinity desc = { 4370 .pre_vectors = QLA_BASE_VECTORS, 4371 }; 4372 4373 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 4374 IS_ATIO_MSIX_CAPABLE(ha)) { 4375 desc.pre_vectors++; 4376 min_vecs++; 4377 } 4378 4379 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 4380 /* user wants to control IRQ setting for target mode */ 4381 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 4382 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), 4383 PCI_IRQ_MSIX); 4384 } else 4385 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 4386 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), 4387 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 4388 &desc); 4389 4390 if (ret < 0) { 4391 ql_log(ql_log_fatal, vha, 0x00c7, 4392 "MSI-X: Failed to enable support, " 4393 "giving up -- %d/%d.\n", 4394 ha->msix_count, ret); 4395 goto msix_out; 4396 } else if (ret < ha->msix_count) { 4397 ql_log(ql_log_info, vha, 0x00c6, 4398 "MSI-X: Using %d vectors\n", ret); 4399 ha->msix_count = ret; 4400 /* Recalculate queue values */ 4401 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 4402 ha->max_req_queues = ha->msix_count - 1; 4403 4404 /* ATIOQ needs 1 vector. That's 1 less QPair */ 4405 if (QLA_TGT_MODE_ENABLED()) 4406 ha->max_req_queues--; 4407 4408 ha->max_rsp_queues = ha->max_req_queues; 4409 4410 ha->max_qpairs = ha->max_req_queues - 1; 4411 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 4412 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 4413 } 4414 } 4415 vha->irq_offset = desc.pre_vectors; 4416 ha->msix_entries = kcalloc(ha->msix_count, 4417 sizeof(struct qla_msix_entry), 4418 GFP_KERNEL); 4419 if (!ha->msix_entries) { 4420 ql_log(ql_log_fatal, vha, 0x00c8, 4421 "Failed to allocate memory for ha->msix_entries.\n"); 4422 ret = -ENOMEM; 4423 goto free_irqs; 4424 } 4425 ha->flags.msix_enabled = 1; 4426 4427 for (i = 0; i < ha->msix_count; i++) { 4428 qentry = &ha->msix_entries[i]; 4429 qentry->vector = pci_irq_vector(ha->pdev, i); 4430 qentry->vector_base0 = i; 4431 qentry->entry = i; 4432 qentry->have_irq = 0; 4433 qentry->in_use = 0; 4434 qentry->handle = NULL; 4435 } 4436 4437 /* Enable MSI-X vectors for the base queue */ 4438 for (i = 0; i < QLA_BASE_VECTORS; i++) { 4439 qentry = &ha->msix_entries[i]; 4440 qentry->handle = rsp; 4441 rsp->msix = qentry; 4442 scnprintf(qentry->name, sizeof(qentry->name), 4443 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 4444 if (IS_P3P_TYPE(ha)) 4445 ret = request_irq(qentry->vector, 4446 qla82xx_msix_entries[i].handler, 4447 0, qla82xx_msix_entries[i].name, rsp); 4448 else 4449 ret = request_irq(qentry->vector, 4450 msix_entries[i].handler, 4451 0, qentry->name, rsp); 4452 if (ret) 4453 goto msix_register_fail; 4454 qentry->have_irq = 1; 4455 qentry->in_use = 1; 4456 } 4457 4458 /* 4459 * If target mode is enable, also request the vector for the ATIO 4460 * queue. 4461 */ 4462 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 4463 IS_ATIO_MSIX_CAPABLE(ha)) { 4464 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 4465 rsp->msix = qentry; 4466 qentry->handle = rsp; 4467 scnprintf(qentry->name, sizeof(qentry->name), 4468 "qla2xxx%lu_%s", vha->host_no, 4469 msix_entries[QLA_ATIO_VECTOR].name); 4470 qentry->in_use = 1; 4471 ret = request_irq(qentry->vector, 4472 msix_entries[QLA_ATIO_VECTOR].handler, 4473 0, qentry->name, rsp); 4474 qentry->have_irq = 1; 4475 } 4476 4477 msix_register_fail: 4478 if (ret) { 4479 ql_log(ql_log_fatal, vha, 0x00cb, 4480 "MSI-X: unable to register handler -- %x/%d.\n", 4481 qentry->vector, ret); 4482 qla2x00_free_irqs(vha); 4483 ha->mqenable = 0; 4484 goto msix_out; 4485 } 4486 4487 /* Enable MSI-X vector for response queue update for queue 0 */ 4488 if (IS_MQUE_CAPABLE(ha) && 4489 (ha->msixbase && ha->mqiobase && ha->max_qpairs)) 4490 ha->mqenable = 1; 4491 else 4492 ha->mqenable = 0; 4493 4494 ql_dbg(ql_dbg_multiq, vha, 0xc005, 4495 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 4496 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 4497 ql_dbg(ql_dbg_init, vha, 0x0055, 4498 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 4499 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 4500 4501 msix_out: 4502 return ret; 4503 4504 free_irqs: 4505 pci_free_irq_vectors(ha->pdev); 4506 goto msix_out; 4507 } 4508 4509 int 4510 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 4511 { 4512 int ret = QLA_FUNCTION_FAILED; 4513 device_reg_t *reg = ha->iobase; 4514 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4515 4516 /* If possible, enable MSI-X. */ 4517 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 4518 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 4519 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) 4520 goto skip_msi; 4521 4522 if (ql2xenablemsix == 2) 4523 goto skip_msix; 4524 4525 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 4526 (ha->pdev->subsystem_device == 0x7040 || 4527 ha->pdev->subsystem_device == 0x7041 || 4528 ha->pdev->subsystem_device == 0x1705)) { 4529 ql_log(ql_log_warn, vha, 0x0034, 4530 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 4531 ha->pdev->subsystem_vendor, 4532 ha->pdev->subsystem_device); 4533 goto skip_msi; 4534 } 4535 4536 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 4537 ql_log(ql_log_warn, vha, 0x0035, 4538 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 4539 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 4540 goto skip_msix; 4541 } 4542 4543 ret = qla24xx_enable_msix(ha, rsp); 4544 if (!ret) { 4545 ql_dbg(ql_dbg_init, vha, 0x0036, 4546 "MSI-X: Enabled (0x%X, 0x%X).\n", 4547 ha->chip_revision, ha->fw_attributes); 4548 goto clear_risc_ints; 4549 } 4550 4551 skip_msix: 4552 4553 ql_log(ql_log_info, vha, 0x0037, 4554 "Falling back-to MSI mode -- ret=%d.\n", ret); 4555 4556 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 4557 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 4558 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 4559 goto skip_msi; 4560 4561 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 4562 if (ret > 0) { 4563 ql_dbg(ql_dbg_init, vha, 0x0038, 4564 "MSI: Enabled.\n"); 4565 ha->flags.msi_enabled = 1; 4566 } else 4567 ql_log(ql_log_warn, vha, 0x0039, 4568 "Falling back-to INTa mode -- ret=%d.\n", ret); 4569 skip_msi: 4570 4571 /* Skip INTx on ISP82xx. */ 4572 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 4573 return QLA_FUNCTION_FAILED; 4574 4575 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 4576 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 4577 QLA2XXX_DRIVER_NAME, rsp); 4578 if (ret) { 4579 ql_log(ql_log_warn, vha, 0x003a, 4580 "Failed to reserve interrupt %d already in use.\n", 4581 ha->pdev->irq); 4582 goto fail; 4583 } else if (!ha->flags.msi_enabled) { 4584 ql_dbg(ql_dbg_init, vha, 0x0125, 4585 "INTa mode: Enabled.\n"); 4586 ha->flags.mr_intr_valid = 1; 4587 /* Set max_qpair to 0, as MSI-X and MSI in not enabled */ 4588 ha->max_qpairs = 0; 4589 } 4590 4591 clear_risc_ints: 4592 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 4593 goto fail; 4594 4595 spin_lock_irq(&ha->hardware_lock); 4596 wrt_reg_word(®->isp.semaphore, 0); 4597 spin_unlock_irq(&ha->hardware_lock); 4598 4599 fail: 4600 return ret; 4601 } 4602 4603 void 4604 qla2x00_free_irqs(scsi_qla_host_t *vha) 4605 { 4606 struct qla_hw_data *ha = vha->hw; 4607 struct rsp_que *rsp; 4608 struct qla_msix_entry *qentry; 4609 int i; 4610 4611 /* 4612 * We need to check that ha->rsp_q_map is valid in case we are called 4613 * from a probe failure context. 4614 */ 4615 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 4616 goto free_irqs; 4617 rsp = ha->rsp_q_map[0]; 4618 4619 if (ha->flags.msix_enabled) { 4620 for (i = 0; i < ha->msix_count; i++) { 4621 qentry = &ha->msix_entries[i]; 4622 if (qentry->have_irq) { 4623 irq_set_affinity_notifier(qentry->vector, NULL); 4624 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 4625 } 4626 } 4627 kfree(ha->msix_entries); 4628 ha->msix_entries = NULL; 4629 ha->flags.msix_enabled = 0; 4630 ql_dbg(ql_dbg_init, vha, 0x0042, 4631 "Disabled MSI-X.\n"); 4632 } else { 4633 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 4634 } 4635 4636 free_irqs: 4637 pci_free_irq_vectors(ha->pdev); 4638 } 4639 4640 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 4641 struct qla_msix_entry *msix, int vector_type) 4642 { 4643 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 4644 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4645 int ret; 4646 4647 scnprintf(msix->name, sizeof(msix->name), 4648 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 4649 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 4650 if (ret) { 4651 ql_log(ql_log_fatal, vha, 0x00e6, 4652 "MSI-X: Unable to register handler -- %x/%d.\n", 4653 msix->vector, ret); 4654 return ret; 4655 } 4656 msix->have_irq = 1; 4657 msix->handle = qpair; 4658 qla_mapq_init_qp_cpu_map(ha, msix, qpair); 4659 return ret; 4660 } 4661