1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2014 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_target.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 26 const char *const port_state_str[] = { 27 "Unknown", 28 "UNCONFIGURED", 29 "DEAD", 30 "LOST", 31 "ONLINE" 32 }; 33 34 static void qla24xx_purex_iocb(scsi_qla_host_t *vha, void *pkt, 35 void (*process_item)(struct scsi_qla_host *vha, void *pkt)) 36 { 37 struct purex_list *list = &vha->purex_list; 38 struct purex_item *item; 39 ulong flags; 40 41 item = kzalloc(sizeof(*item), GFP_KERNEL); 42 if (!item) { 43 ql_log(ql_log_warn, vha, 0x5092, 44 ">> Failed allocate purex list item.\n"); 45 return; 46 } 47 48 item->vha = vha; 49 item->process_item = process_item; 50 memcpy(&item->iocb, pkt, sizeof(item->iocb)); 51 52 spin_lock_irqsave(&list->lock, flags); 53 list_add_tail(&item->list, &list->head); 54 spin_unlock_irqrestore(&list->lock, flags); 55 56 set_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags); 57 } 58 59 static void 60 qla24xx_process_abts(struct scsi_qla_host *vha, void *pkt) 61 { 62 struct abts_entry_24xx *abts = pkt; 63 struct qla_hw_data *ha = vha->hw; 64 struct els_entry_24xx *rsp_els; 65 struct abts_entry_24xx *abts_rsp; 66 dma_addr_t dma; 67 uint32_t fctl; 68 int rval; 69 70 ql_dbg(ql_dbg_init, vha, 0x0286, "%s: entered.\n", __func__); 71 72 ql_log(ql_log_warn, vha, 0x0287, 73 "Processing ABTS xchg=%#x oxid=%#x rxid=%#x seqid=%#x seqcnt=%#x\n", 74 abts->rx_xch_addr_to_abort, abts->ox_id, abts->rx_id, 75 abts->seq_id, abts->seq_cnt); 76 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0287, 77 "-------- ABTS RCV -------\n"); 78 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0287, 79 (uint8_t *)abts, sizeof(*abts)); 80 81 rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els), &dma, 82 GFP_KERNEL); 83 if (!rsp_els) { 84 ql_log(ql_log_warn, vha, 0x0287, 85 "Failed allocate dma buffer ABTS/ELS RSP.\n"); 86 return; 87 } 88 89 /* terminate exchange */ 90 memset(rsp_els, 0, sizeof(*rsp_els)); 91 rsp_els->entry_type = ELS_IOCB_TYPE; 92 rsp_els->entry_count = 1; 93 rsp_els->nport_handle = ~0; 94 rsp_els->rx_xchg_address = abts->rx_xch_addr_to_abort; 95 rsp_els->control_flags = 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 = ~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 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 174 * @irq: interrupt number 175 * @dev_id: SCSI driver HA context 176 * 177 * Called by system whenever the host adapter generates an interrupt. 178 * 179 * Returns handled flag. 180 */ 181 irqreturn_t 182 qla2100_intr_handler(int irq, void *dev_id) 183 { 184 scsi_qla_host_t *vha; 185 struct qla_hw_data *ha; 186 struct device_reg_2xxx __iomem *reg; 187 int status; 188 unsigned long iter; 189 uint16_t hccr; 190 uint16_t mb[8]; 191 struct rsp_que *rsp; 192 unsigned long flags; 193 194 rsp = (struct rsp_que *) dev_id; 195 if (!rsp) { 196 ql_log(ql_log_info, NULL, 0x505d, 197 "%s: NULL response queue pointer.\n", __func__); 198 return (IRQ_NONE); 199 } 200 201 ha = rsp->hw; 202 reg = &ha->iobase->isp; 203 status = 0; 204 205 spin_lock_irqsave(&ha->hardware_lock, flags); 206 vha = pci_get_drvdata(ha->pdev); 207 for (iter = 50; iter--; ) { 208 hccr = RD_REG_WORD(®->hccr); 209 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 210 break; 211 if (hccr & HCCR_RISC_PAUSE) { 212 if (pci_channel_offline(ha->pdev)) 213 break; 214 215 /* 216 * Issue a "HARD" reset in order for the RISC interrupt 217 * bit to be cleared. Schedule a big hammer to get 218 * out of the RISC PAUSED state. 219 */ 220 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 221 RD_REG_WORD(®->hccr); 222 223 ha->isp_ops->fw_dump(vha, 1); 224 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 225 break; 226 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 227 break; 228 229 if (RD_REG_WORD(®->semaphore) & BIT_0) { 230 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 231 RD_REG_WORD(®->hccr); 232 233 /* Get mailbox data. */ 234 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 235 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 236 qla2x00_mbx_completion(vha, mb[0]); 237 status |= MBX_INTERRUPT; 238 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 239 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 240 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 241 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 242 qla2x00_async_event(vha, rsp, mb); 243 } else { 244 /*EMPTY*/ 245 ql_dbg(ql_dbg_async, vha, 0x5025, 246 "Unrecognized interrupt type (%d).\n", 247 mb[0]); 248 } 249 /* Release mailbox registers. */ 250 WRT_REG_WORD(®->semaphore, 0); 251 RD_REG_WORD(®->semaphore); 252 } else { 253 qla2x00_process_response_queue(rsp); 254 255 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 256 RD_REG_WORD(®->hccr); 257 } 258 } 259 qla2x00_handle_mbx_completion(ha, status); 260 spin_unlock_irqrestore(&ha->hardware_lock, flags); 261 262 return (IRQ_HANDLED); 263 } 264 265 bool 266 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 267 { 268 /* Check for PCI disconnection */ 269 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 270 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 271 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 272 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 273 /* 274 * Schedule this (only once) on the default system 275 * workqueue so that all the adapter workqueues and the 276 * DPC thread can be shutdown cleanly. 277 */ 278 schedule_work(&vha->hw->board_disable); 279 } 280 return true; 281 } else 282 return false; 283 } 284 285 bool 286 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 287 { 288 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 289 } 290 291 /** 292 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 293 * @irq: interrupt number 294 * @dev_id: SCSI driver HA context 295 * 296 * Called by system whenever the host adapter generates an interrupt. 297 * 298 * Returns handled flag. 299 */ 300 irqreturn_t 301 qla2300_intr_handler(int irq, void *dev_id) 302 { 303 scsi_qla_host_t *vha; 304 struct device_reg_2xxx __iomem *reg; 305 int status; 306 unsigned long iter; 307 uint32_t stat; 308 uint16_t hccr; 309 uint16_t mb[8]; 310 struct rsp_que *rsp; 311 struct qla_hw_data *ha; 312 unsigned long flags; 313 314 rsp = (struct rsp_que *) dev_id; 315 if (!rsp) { 316 ql_log(ql_log_info, NULL, 0x5058, 317 "%s: NULL response queue pointer.\n", __func__); 318 return (IRQ_NONE); 319 } 320 321 ha = rsp->hw; 322 reg = &ha->iobase->isp; 323 status = 0; 324 325 spin_lock_irqsave(&ha->hardware_lock, flags); 326 vha = pci_get_drvdata(ha->pdev); 327 for (iter = 50; iter--; ) { 328 stat = RD_REG_DWORD(®->u.isp2300.host_status); 329 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 330 break; 331 if (stat & HSR_RISC_PAUSED) { 332 if (unlikely(pci_channel_offline(ha->pdev))) 333 break; 334 335 hccr = RD_REG_WORD(®->hccr); 336 337 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 338 ql_log(ql_log_warn, vha, 0x5026, 339 "Parity error -- HCCR=%x, Dumping " 340 "firmware.\n", hccr); 341 else 342 ql_log(ql_log_warn, vha, 0x5027, 343 "RISC paused -- HCCR=%x, Dumping " 344 "firmware.\n", hccr); 345 346 /* 347 * Issue a "HARD" reset in order for the RISC 348 * interrupt bit to be cleared. Schedule a big 349 * hammer to get out of the RISC PAUSED state. 350 */ 351 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 352 RD_REG_WORD(®->hccr); 353 354 ha->isp_ops->fw_dump(vha, 1); 355 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 356 break; 357 } else if ((stat & HSR_RISC_INT) == 0) 358 break; 359 360 switch (stat & 0xff) { 361 case 0x1: 362 case 0x2: 363 case 0x10: 364 case 0x11: 365 qla2x00_mbx_completion(vha, MSW(stat)); 366 status |= MBX_INTERRUPT; 367 368 /* Release mailbox registers. */ 369 WRT_REG_WORD(®->semaphore, 0); 370 break; 371 case 0x12: 372 mb[0] = MSW(stat); 373 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 374 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 375 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 376 qla2x00_async_event(vha, rsp, mb); 377 break; 378 case 0x13: 379 qla2x00_process_response_queue(rsp); 380 break; 381 case 0x15: 382 mb[0] = MBA_CMPLT_1_16BIT; 383 mb[1] = MSW(stat); 384 qla2x00_async_event(vha, rsp, mb); 385 break; 386 case 0x16: 387 mb[0] = MBA_SCSI_COMPLETION; 388 mb[1] = MSW(stat); 389 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 390 qla2x00_async_event(vha, rsp, mb); 391 break; 392 default: 393 ql_dbg(ql_dbg_async, vha, 0x5028, 394 "Unrecognized interrupt type (%d).\n", stat & 0xff); 395 break; 396 } 397 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 398 RD_REG_WORD_RELAXED(®->hccr); 399 } 400 qla2x00_handle_mbx_completion(ha, status); 401 spin_unlock_irqrestore(&ha->hardware_lock, flags); 402 403 return (IRQ_HANDLED); 404 } 405 406 /** 407 * qla2x00_mbx_completion() - Process mailbox command completions. 408 * @vha: SCSI driver HA context 409 * @mb0: Mailbox0 register 410 */ 411 static void 412 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 413 { 414 uint16_t cnt; 415 uint32_t mboxes; 416 uint16_t __iomem *wptr; 417 struct qla_hw_data *ha = vha->hw; 418 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 419 420 /* Read all mbox registers? */ 421 WARN_ON_ONCE(ha->mbx_count > 32); 422 mboxes = (1ULL << ha->mbx_count) - 1; 423 if (!ha->mcp) 424 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 425 else 426 mboxes = ha->mcp->in_mb; 427 428 /* Load return mailbox registers. */ 429 ha->flags.mbox_int = 1; 430 ha->mailbox_out[0] = mb0; 431 mboxes >>= 1; 432 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 433 434 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 435 if (IS_QLA2200(ha) && cnt == 8) 436 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 437 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 438 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 439 else if (mboxes & BIT_0) 440 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 441 442 wptr++; 443 mboxes >>= 1; 444 } 445 } 446 447 static void 448 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 449 { 450 static char *event[] = 451 { "Complete", "Request Notification", "Time Extension" }; 452 int rval; 453 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 454 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 455 uint16_t __iomem *wptr; 456 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 457 458 /* Seed data -- mailbox1 -> mailbox7. */ 459 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 460 wptr = (uint16_t __iomem *)®24->mailbox1; 461 else if (IS_QLA8044(vha->hw)) 462 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 463 else 464 return; 465 466 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 467 mb[cnt] = RD_REG_WORD(wptr); 468 469 ql_dbg(ql_dbg_async, vha, 0x5021, 470 "Inter-Driver Communication %s -- " 471 "%04x %04x %04x %04x %04x %04x %04x.\n", 472 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 473 mb[4], mb[5], mb[6]); 474 switch (aen) { 475 /* Handle IDC Error completion case. */ 476 case MBA_IDC_COMPLETE: 477 if (mb[1] >> 15) { 478 vha->hw->flags.idc_compl_status = 1; 479 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 480 complete(&vha->hw->dcbx_comp); 481 } 482 break; 483 484 case MBA_IDC_NOTIFY: 485 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 486 timeout = (descr >> 8) & 0xf; 487 ql_dbg(ql_dbg_async, vha, 0x5022, 488 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 489 vha->host_no, event[aen & 0xff], timeout); 490 491 if (!timeout) 492 return; 493 rval = qla2x00_post_idc_ack_work(vha, mb); 494 if (rval != QLA_SUCCESS) 495 ql_log(ql_log_warn, vha, 0x5023, 496 "IDC failed to post ACK.\n"); 497 break; 498 case MBA_IDC_TIME_EXT: 499 vha->hw->idc_extend_tmo = descr; 500 ql_dbg(ql_dbg_async, vha, 0x5087, 501 "%lu Inter-Driver Communication %s -- " 502 "Extend timeout by=%d.\n", 503 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 504 break; 505 } 506 } 507 508 #define LS_UNKNOWN 2 509 const char * 510 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 511 { 512 static const char *const link_speeds[] = { 513 "1", "2", "?", "4", "8", "16", "32", "10" 514 }; 515 #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1) 516 517 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 518 return link_speeds[0]; 519 else if (speed == 0x13) 520 return link_speeds[QLA_LAST_SPEED]; 521 else if (speed < QLA_LAST_SPEED) 522 return link_speeds[speed]; 523 else 524 return link_speeds[LS_UNKNOWN]; 525 } 526 527 static void 528 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 529 { 530 struct qla_hw_data *ha = vha->hw; 531 532 /* 533 * 8200 AEN Interpretation: 534 * mb[0] = AEN code 535 * mb[1] = AEN Reason code 536 * mb[2] = LSW of Peg-Halt Status-1 Register 537 * mb[6] = MSW of Peg-Halt Status-1 Register 538 * mb[3] = LSW of Peg-Halt Status-2 register 539 * mb[7] = MSW of Peg-Halt Status-2 register 540 * mb[4] = IDC Device-State Register value 541 * mb[5] = IDC Driver-Presence Register value 542 */ 543 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 544 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 545 mb[0], mb[1], mb[2], mb[6]); 546 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 547 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 548 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 549 550 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 551 IDC_HEARTBEAT_FAILURE)) { 552 ha->flags.nic_core_hung = 1; 553 ql_log(ql_log_warn, vha, 0x5060, 554 "83XX: F/W Error Reported: Check if reset required.\n"); 555 556 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 557 uint32_t protocol_engine_id, fw_err_code, err_level; 558 559 /* 560 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 561 * - PEG-Halt Status-1 Register: 562 * (LSW = mb[2], MSW = mb[6]) 563 * Bits 0-7 = protocol-engine ID 564 * Bits 8-28 = f/w error code 565 * Bits 29-31 = Error-level 566 * Error-level 0x1 = Non-Fatal error 567 * Error-level 0x2 = Recoverable Fatal error 568 * Error-level 0x4 = UnRecoverable Fatal error 569 * - PEG-Halt Status-2 Register: 570 * (LSW = mb[3], MSW = mb[7]) 571 */ 572 protocol_engine_id = (mb[2] & 0xff); 573 fw_err_code = (((mb[2] & 0xff00) >> 8) | 574 ((mb[6] & 0x1fff) << 8)); 575 err_level = ((mb[6] & 0xe000) >> 13); 576 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 577 "Register: protocol_engine_id=0x%x " 578 "fw_err_code=0x%x err_level=0x%x.\n", 579 protocol_engine_id, fw_err_code, err_level); 580 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 581 "Register: 0x%x%x.\n", mb[7], mb[3]); 582 if (err_level == ERR_LEVEL_NON_FATAL) { 583 ql_log(ql_log_warn, vha, 0x5063, 584 "Not a fatal error, f/w has recovered itself.\n"); 585 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 586 ql_log(ql_log_fatal, vha, 0x5064, 587 "Recoverable Fatal error: Chip reset " 588 "required.\n"); 589 qla83xx_schedule_work(vha, 590 QLA83XX_NIC_CORE_RESET); 591 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 592 ql_log(ql_log_fatal, vha, 0x5065, 593 "Unrecoverable Fatal error: Set FAILED " 594 "state, reboot required.\n"); 595 qla83xx_schedule_work(vha, 596 QLA83XX_NIC_CORE_UNRECOVERABLE); 597 } 598 } 599 600 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 601 uint16_t peg_fw_state, nw_interface_link_up; 602 uint16_t nw_interface_signal_detect, sfp_status; 603 uint16_t htbt_counter, htbt_monitor_enable; 604 uint16_t sfp_additional_info, sfp_multirate; 605 uint16_t sfp_tx_fault, link_speed, dcbx_status; 606 607 /* 608 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 609 * - PEG-to-FC Status Register: 610 * (LSW = mb[2], MSW = mb[6]) 611 * Bits 0-7 = Peg-Firmware state 612 * Bit 8 = N/W Interface Link-up 613 * Bit 9 = N/W Interface signal detected 614 * Bits 10-11 = SFP Status 615 * SFP Status 0x0 = SFP+ transceiver not expected 616 * SFP Status 0x1 = SFP+ transceiver not present 617 * SFP Status 0x2 = SFP+ transceiver invalid 618 * SFP Status 0x3 = SFP+ transceiver present and 619 * valid 620 * Bits 12-14 = Heartbeat Counter 621 * Bit 15 = Heartbeat Monitor Enable 622 * Bits 16-17 = SFP Additional Info 623 * SFP info 0x0 = Unregocnized transceiver for 624 * Ethernet 625 * SFP info 0x1 = SFP+ brand validation failed 626 * SFP info 0x2 = SFP+ speed validation failed 627 * SFP info 0x3 = SFP+ access error 628 * Bit 18 = SFP Multirate 629 * Bit 19 = SFP Tx Fault 630 * Bits 20-22 = Link Speed 631 * Bits 23-27 = Reserved 632 * Bits 28-30 = DCBX Status 633 * DCBX Status 0x0 = DCBX Disabled 634 * DCBX Status 0x1 = DCBX Enabled 635 * DCBX Status 0x2 = DCBX Exchange error 636 * Bit 31 = Reserved 637 */ 638 peg_fw_state = (mb[2] & 0x00ff); 639 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 640 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 641 sfp_status = ((mb[2] & 0x0c00) >> 10); 642 htbt_counter = ((mb[2] & 0x7000) >> 12); 643 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 644 sfp_additional_info = (mb[6] & 0x0003); 645 sfp_multirate = ((mb[6] & 0x0004) >> 2); 646 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 647 link_speed = ((mb[6] & 0x0070) >> 4); 648 dcbx_status = ((mb[6] & 0x7000) >> 12); 649 650 ql_log(ql_log_warn, vha, 0x5066, 651 "Peg-to-Fc Status Register:\n" 652 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 653 "nw_interface_signal_detect=0x%x" 654 "\nsfp_statis=0x%x.\n ", peg_fw_state, 655 nw_interface_link_up, nw_interface_signal_detect, 656 sfp_status); 657 ql_log(ql_log_warn, vha, 0x5067, 658 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 659 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", 660 htbt_counter, htbt_monitor_enable, 661 sfp_additional_info, sfp_multirate); 662 ql_log(ql_log_warn, vha, 0x5068, 663 "sfp_tx_fault=0x%x, link_state=0x%x, " 664 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 665 dcbx_status); 666 667 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 668 } 669 670 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 671 ql_log(ql_log_warn, vha, 0x5069, 672 "Heartbeat Failure encountered, chip reset " 673 "required.\n"); 674 675 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 676 } 677 } 678 679 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 680 ql_log(ql_log_info, vha, 0x506a, 681 "IDC Device-State changed = 0x%x.\n", mb[4]); 682 if (ha->flags.nic_core_reset_owner) 683 return; 684 qla83xx_schedule_work(vha, MBA_IDC_AEN); 685 } 686 } 687 688 int 689 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 690 { 691 struct qla_hw_data *ha = vha->hw; 692 scsi_qla_host_t *vp; 693 uint32_t vp_did; 694 unsigned long flags; 695 int ret = 0; 696 697 if (!ha->num_vhosts) 698 return ret; 699 700 spin_lock_irqsave(&ha->vport_slock, flags); 701 list_for_each_entry(vp, &ha->vp_list, list) { 702 vp_did = vp->d_id.b24; 703 if (vp_did == rscn_entry) { 704 ret = 1; 705 break; 706 } 707 } 708 spin_unlock_irqrestore(&ha->vport_slock, flags); 709 710 return ret; 711 } 712 713 fc_port_t * 714 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 715 { 716 fc_port_t *f, *tf; 717 718 f = tf = NULL; 719 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 720 if (f->loop_id == loop_id) 721 return f; 722 return NULL; 723 } 724 725 fc_port_t * 726 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 727 { 728 fc_port_t *f, *tf; 729 730 f = tf = NULL; 731 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 732 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 733 if (incl_deleted) 734 return f; 735 else if (f->deleted == 0) 736 return f; 737 } 738 } 739 return NULL; 740 } 741 742 fc_port_t * 743 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 744 u8 incl_deleted) 745 { 746 fc_port_t *f, *tf; 747 748 f = tf = NULL; 749 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 750 if (f->d_id.b24 == id->b24) { 751 if (incl_deleted) 752 return f; 753 else if (f->deleted == 0) 754 return f; 755 } 756 } 757 return NULL; 758 } 759 760 /** 761 * qla2x00_async_event() - Process aynchronous events. 762 * @vha: SCSI driver HA context 763 * @rsp: response queue 764 * @mb: Mailbox registers (0 - 3) 765 */ 766 void 767 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 768 { 769 uint16_t handle_cnt; 770 uint16_t cnt, mbx; 771 uint32_t handles[5]; 772 struct qla_hw_data *ha = vha->hw; 773 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 774 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 775 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 776 uint32_t rscn_entry, host_pid; 777 unsigned long flags; 778 fc_port_t *fcport = NULL; 779 780 if (!vha->hw->flags.fw_started) 781 return; 782 783 /* Setup to process RIO completion. */ 784 handle_cnt = 0; 785 if (IS_CNA_CAPABLE(ha)) 786 goto skip_rio; 787 switch (mb[0]) { 788 case MBA_SCSI_COMPLETION: 789 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 790 handle_cnt = 1; 791 break; 792 case MBA_CMPLT_1_16BIT: 793 handles[0] = mb[1]; 794 handle_cnt = 1; 795 mb[0] = MBA_SCSI_COMPLETION; 796 break; 797 case MBA_CMPLT_2_16BIT: 798 handles[0] = mb[1]; 799 handles[1] = mb[2]; 800 handle_cnt = 2; 801 mb[0] = MBA_SCSI_COMPLETION; 802 break; 803 case MBA_CMPLT_3_16BIT: 804 handles[0] = mb[1]; 805 handles[1] = mb[2]; 806 handles[2] = mb[3]; 807 handle_cnt = 3; 808 mb[0] = MBA_SCSI_COMPLETION; 809 break; 810 case MBA_CMPLT_4_16BIT: 811 handles[0] = mb[1]; 812 handles[1] = mb[2]; 813 handles[2] = mb[3]; 814 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 815 handle_cnt = 4; 816 mb[0] = MBA_SCSI_COMPLETION; 817 break; 818 case MBA_CMPLT_5_16BIT: 819 handles[0] = mb[1]; 820 handles[1] = mb[2]; 821 handles[2] = mb[3]; 822 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 823 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 824 handle_cnt = 5; 825 mb[0] = MBA_SCSI_COMPLETION; 826 break; 827 case MBA_CMPLT_2_32BIT: 828 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 829 handles[1] = le32_to_cpu( 830 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 831 RD_MAILBOX_REG(ha, reg, 6)); 832 handle_cnt = 2; 833 mb[0] = MBA_SCSI_COMPLETION; 834 break; 835 default: 836 break; 837 } 838 skip_rio: 839 switch (mb[0]) { 840 case MBA_SCSI_COMPLETION: /* Fast Post */ 841 if (!vha->flags.online) 842 break; 843 844 for (cnt = 0; cnt < handle_cnt; cnt++) 845 qla2x00_process_completed_request(vha, rsp->req, 846 handles[cnt]); 847 break; 848 849 case MBA_RESET: /* Reset */ 850 ql_dbg(ql_dbg_async, vha, 0x5002, 851 "Asynchronous RESET.\n"); 852 853 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 854 break; 855 856 case MBA_SYSTEM_ERR: /* System Error */ 857 mbx = 0; 858 if (IS_QLA81XX(ha) || IS_QLA83XX(ha) || 859 IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 860 u16 m[4]; 861 862 m[0] = RD_REG_WORD(®24->mailbox4); 863 m[1] = RD_REG_WORD(®24->mailbox5); 864 m[2] = RD_REG_WORD(®24->mailbox6); 865 mbx = m[3] = RD_REG_WORD(®24->mailbox7); 866 867 ql_log(ql_log_warn, vha, 0x5003, 868 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh mbx4=%xh mbx5=%xh mbx6=%xh mbx7=%xh.\n", 869 mb[1], mb[2], mb[3], m[0], m[1], m[2], m[3]); 870 } else 871 ql_log(ql_log_warn, vha, 0x5003, 872 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n ", 873 mb[1], mb[2], mb[3]); 874 875 ha->fw_dump_mpi = 876 (IS_QLA27XX(ha) || IS_QLA28XX(ha)) && 877 RD_REG_WORD(®24->mailbox7) & BIT_8; 878 ha->isp_ops->fw_dump(vha, 1); 879 ha->flags.fw_init_done = 0; 880 QLA_FW_STOPPED(ha); 881 882 if (IS_FWI2_CAPABLE(ha)) { 883 if (mb[1] == 0 && mb[2] == 0) { 884 ql_log(ql_log_fatal, vha, 0x5004, 885 "Unrecoverable Hardware Error: adapter " 886 "marked OFFLINE!\n"); 887 vha->flags.online = 0; 888 vha->device_flags |= DFLG_DEV_FAILED; 889 } else { 890 /* Check to see if MPI timeout occurred */ 891 if ((mbx & MBX_3) && (ha->port_no == 0)) 892 set_bit(MPI_RESET_NEEDED, 893 &vha->dpc_flags); 894 895 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 896 } 897 } else if (mb[1] == 0) { 898 ql_log(ql_log_fatal, vha, 0x5005, 899 "Unrecoverable Hardware Error: adapter marked " 900 "OFFLINE!\n"); 901 vha->flags.online = 0; 902 vha->device_flags |= DFLG_DEV_FAILED; 903 } else 904 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 905 break; 906 907 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 908 ql_log(ql_log_warn, vha, 0x5006, 909 "ISP Request Transfer Error (%x).\n", mb[1]); 910 911 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 912 break; 913 914 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 915 ql_log(ql_log_warn, vha, 0x5007, 916 "ISP Response Transfer Error (%x).\n", mb[1]); 917 918 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 919 break; 920 921 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 922 ql_dbg(ql_dbg_async, vha, 0x5008, 923 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 924 break; 925 926 case MBA_LOOP_INIT_ERR: 927 ql_log(ql_log_warn, vha, 0x5090, 928 "LOOP INIT ERROR (%x).\n", mb[1]); 929 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 930 break; 931 932 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 933 ha->flags.lip_ae = 1; 934 935 ql_dbg(ql_dbg_async, vha, 0x5009, 936 "LIP occurred (%x).\n", mb[1]); 937 938 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 939 atomic_set(&vha->loop_state, LOOP_DOWN); 940 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 941 qla2x00_mark_all_devices_lost(vha); 942 } 943 944 if (vha->vp_idx) { 945 atomic_set(&vha->vp_state, VP_FAILED); 946 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 947 } 948 949 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 950 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 951 952 vha->flags.management_server_logged_in = 0; 953 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 954 break; 955 956 case MBA_LOOP_UP: /* Loop Up Event */ 957 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 958 ha->link_data_rate = PORT_SPEED_1GB; 959 else 960 ha->link_data_rate = mb[1]; 961 962 ql_log(ql_log_info, vha, 0x500a, 963 "LOOP UP detected (%s Gbps).\n", 964 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 965 966 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 967 if (mb[2] & BIT_0) 968 ql_log(ql_log_info, vha, 0x11a0, 969 "FEC=enabled (link up).\n"); 970 } 971 972 vha->flags.management_server_logged_in = 0; 973 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 974 975 break; 976 977 case MBA_LOOP_DOWN: /* Loop Down Event */ 978 SAVE_TOPO(ha); 979 ha->flags.lip_ae = 0; 980 ha->current_topology = 0; 981 982 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 983 ? RD_REG_WORD(®24->mailbox4) : 0; 984 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 985 : mbx; 986 ql_log(ql_log_info, vha, 0x500b, 987 "LOOP DOWN detected (%x %x %x %x).\n", 988 mb[1], mb[2], mb[3], mbx); 989 990 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 991 atomic_set(&vha->loop_state, LOOP_DOWN); 992 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 993 /* 994 * In case of loop down, restore WWPN from 995 * NVRAM in case of FA-WWPN capable ISP 996 * Restore for Physical Port only 997 */ 998 if (!vha->vp_idx) { 999 if (ha->flags.fawwpn_enabled && 1000 (ha->current_topology == ISP_CFG_F)) { 1001 void *wwpn = ha->init_cb->port_name; 1002 1003 memcpy(vha->port_name, wwpn, WWN_SIZE); 1004 fc_host_port_name(vha->host) = 1005 wwn_to_u64(vha->port_name); 1006 ql_dbg(ql_dbg_init + ql_dbg_verbose, 1007 vha, 0x00d8, "LOOP DOWN detected," 1008 "restore WWPN %016llx\n", 1009 wwn_to_u64(vha->port_name)); 1010 } 1011 1012 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 1013 } 1014 1015 vha->device_flags |= DFLG_NO_CABLE; 1016 qla2x00_mark_all_devices_lost(vha); 1017 } 1018 1019 if (vha->vp_idx) { 1020 atomic_set(&vha->vp_state, VP_FAILED); 1021 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1022 } 1023 1024 vha->flags.management_server_logged_in = 0; 1025 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1026 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 1027 break; 1028 1029 case MBA_LIP_RESET: /* LIP reset occurred */ 1030 ql_dbg(ql_dbg_async, vha, 0x500c, 1031 "LIP reset occurred (%x).\n", mb[1]); 1032 1033 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1034 atomic_set(&vha->loop_state, LOOP_DOWN); 1035 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1036 qla2x00_mark_all_devices_lost(vha); 1037 } 1038 1039 if (vha->vp_idx) { 1040 atomic_set(&vha->vp_state, VP_FAILED); 1041 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1042 } 1043 1044 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1045 1046 ha->operating_mode = LOOP; 1047 vha->flags.management_server_logged_in = 0; 1048 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 1049 break; 1050 1051 /* case MBA_DCBX_COMPLETE: */ 1052 case MBA_POINT_TO_POINT: /* Point-to-Point */ 1053 ha->flags.lip_ae = 0; 1054 1055 if (IS_QLA2100(ha)) 1056 break; 1057 1058 if (IS_CNA_CAPABLE(ha)) { 1059 ql_dbg(ql_dbg_async, vha, 0x500d, 1060 "DCBX Completed -- %04x %04x %04x.\n", 1061 mb[1], mb[2], mb[3]); 1062 if (ha->notify_dcbx_comp && !vha->vp_idx) 1063 complete(&ha->dcbx_comp); 1064 1065 } else 1066 ql_dbg(ql_dbg_async, vha, 0x500e, 1067 "Asynchronous P2P MODE received.\n"); 1068 1069 /* 1070 * Until there's a transition from loop down to loop up, treat 1071 * this as loop down only. 1072 */ 1073 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1074 atomic_set(&vha->loop_state, LOOP_DOWN); 1075 if (!atomic_read(&vha->loop_down_timer)) 1076 atomic_set(&vha->loop_down_timer, 1077 LOOP_DOWN_TIME); 1078 if (!N2N_TOPO(ha)) 1079 qla2x00_mark_all_devices_lost(vha); 1080 } 1081 1082 if (vha->vp_idx) { 1083 atomic_set(&vha->vp_state, VP_FAILED); 1084 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1085 } 1086 1087 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 1088 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1089 1090 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 1091 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 1092 1093 vha->flags.management_server_logged_in = 0; 1094 break; 1095 1096 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 1097 if (IS_QLA2100(ha)) 1098 break; 1099 1100 ql_dbg(ql_dbg_async, vha, 0x500f, 1101 "Configuration change detected: value=%x.\n", mb[1]); 1102 1103 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1104 atomic_set(&vha->loop_state, LOOP_DOWN); 1105 if (!atomic_read(&vha->loop_down_timer)) 1106 atomic_set(&vha->loop_down_timer, 1107 LOOP_DOWN_TIME); 1108 qla2x00_mark_all_devices_lost(vha); 1109 } 1110 1111 if (vha->vp_idx) { 1112 atomic_set(&vha->vp_state, VP_FAILED); 1113 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1114 } 1115 1116 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1117 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1118 break; 1119 1120 case MBA_PORT_UPDATE: /* Port database update */ 1121 /* 1122 * Handle only global and vn-port update events 1123 * 1124 * Relevant inputs: 1125 * mb[1] = N_Port handle of changed port 1126 * OR 0xffff for global event 1127 * mb[2] = New login state 1128 * 7 = Port logged out 1129 * mb[3] = LSB is vp_idx, 0xff = all vps 1130 * 1131 * Skip processing if: 1132 * Event is global, vp_idx is NOT all vps, 1133 * vp_idx does not match 1134 * Event is not global, vp_idx does not match 1135 */ 1136 if (IS_QLA2XXX_MIDTYPE(ha) && 1137 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 1138 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 1139 break; 1140 1141 if (mb[2] == 0x7) { 1142 ql_dbg(ql_dbg_async, vha, 0x5010, 1143 "Port %s %04x %04x %04x.\n", 1144 mb[1] == 0xffff ? "unavailable" : "logout", 1145 mb[1], mb[2], mb[3]); 1146 1147 if (mb[1] == 0xffff) 1148 goto global_port_update; 1149 1150 if (mb[1] == NPH_SNS_LID(ha)) { 1151 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1152 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1153 break; 1154 } 1155 1156 /* use handle_cnt for loop id/nport handle */ 1157 if (IS_FWI2_CAPABLE(ha)) 1158 handle_cnt = NPH_SNS; 1159 else 1160 handle_cnt = SIMPLE_NAME_SERVER; 1161 if (mb[1] == handle_cnt) { 1162 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1163 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1164 break; 1165 } 1166 1167 /* Port logout */ 1168 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1169 if (!fcport) 1170 break; 1171 if (atomic_read(&fcport->state) != FCS_ONLINE) 1172 break; 1173 ql_dbg(ql_dbg_async, vha, 0x508a, 1174 "Marking port lost loopid=%04x portid=%06x.\n", 1175 fcport->loop_id, fcport->d_id.b24); 1176 if (qla_ini_mode_enabled(vha)) { 1177 fcport->logout_on_delete = 0; 1178 qlt_schedule_sess_for_deletion(fcport); 1179 } 1180 break; 1181 1182 global_port_update: 1183 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1184 atomic_set(&vha->loop_state, LOOP_DOWN); 1185 atomic_set(&vha->loop_down_timer, 1186 LOOP_DOWN_TIME); 1187 vha->device_flags |= DFLG_NO_CABLE; 1188 qla2x00_mark_all_devices_lost(vha); 1189 } 1190 1191 if (vha->vp_idx) { 1192 atomic_set(&vha->vp_state, VP_FAILED); 1193 fc_vport_set_state(vha->fc_vport, 1194 FC_VPORT_FAILED); 1195 qla2x00_mark_all_devices_lost(vha); 1196 } 1197 1198 vha->flags.management_server_logged_in = 0; 1199 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1200 break; 1201 } 1202 1203 /* 1204 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1205 * event etc. earlier indicating loop is down) then process 1206 * it. Otherwise ignore it and Wait for RSCN to come in. 1207 */ 1208 atomic_set(&vha->loop_down_timer, 0); 1209 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1210 !ha->flags.n2n_ae && 1211 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1212 ql_dbg(ql_dbg_async, vha, 0x5011, 1213 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1214 mb[1], mb[2], mb[3]); 1215 break; 1216 } 1217 1218 ql_dbg(ql_dbg_async, vha, 0x5012, 1219 "Port database changed %04x %04x %04x.\n", 1220 mb[1], mb[2], mb[3]); 1221 1222 /* 1223 * Mark all devices as missing so we will login again. 1224 */ 1225 atomic_set(&vha->loop_state, LOOP_UP); 1226 vha->scan.scan_retry = 0; 1227 1228 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1229 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1230 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1231 break; 1232 1233 case MBA_RSCN_UPDATE: /* State Change Registration */ 1234 /* Check if the Vport has issued a SCR */ 1235 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1236 break; 1237 /* Only handle SCNs for our Vport index. */ 1238 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1239 break; 1240 1241 ql_dbg(ql_dbg_async, vha, 0x5013, 1242 "RSCN database changed -- %04x %04x %04x.\n", 1243 mb[1], mb[2], mb[3]); 1244 1245 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1246 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1247 | vha->d_id.b.al_pa; 1248 if (rscn_entry == host_pid) { 1249 ql_dbg(ql_dbg_async, vha, 0x5014, 1250 "Ignoring RSCN update to local host " 1251 "port ID (%06x).\n", host_pid); 1252 break; 1253 } 1254 1255 /* Ignore reserved bits from RSCN-payload. */ 1256 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1257 1258 /* Skip RSCNs for virtual ports on the same physical port */ 1259 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1260 break; 1261 1262 atomic_set(&vha->loop_down_timer, 0); 1263 vha->flags.management_server_logged_in = 0; 1264 { 1265 struct event_arg ea; 1266 1267 memset(&ea, 0, sizeof(ea)); 1268 ea.id.b24 = rscn_entry; 1269 ea.id.b.rsvd_1 = rscn_entry >> 24; 1270 qla2x00_handle_rscn(vha, &ea); 1271 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1272 } 1273 break; 1274 /* case MBA_RIO_RESPONSE: */ 1275 case MBA_ZIO_RESPONSE: 1276 ql_dbg(ql_dbg_async, vha, 0x5015, 1277 "[R|Z]IO update completion.\n"); 1278 1279 if (IS_FWI2_CAPABLE(ha)) 1280 qla24xx_process_response_queue(vha, rsp); 1281 else 1282 qla2x00_process_response_queue(rsp); 1283 break; 1284 1285 case MBA_DISCARD_RND_FRAME: 1286 ql_dbg(ql_dbg_async, vha, 0x5016, 1287 "Discard RND Frame -- %04x %04x %04x.\n", 1288 mb[1], mb[2], mb[3]); 1289 break; 1290 1291 case MBA_TRACE_NOTIFICATION: 1292 ql_dbg(ql_dbg_async, vha, 0x5017, 1293 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1294 break; 1295 1296 case MBA_ISP84XX_ALERT: 1297 ql_dbg(ql_dbg_async, vha, 0x5018, 1298 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1299 mb[1], mb[2], mb[3]); 1300 1301 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1302 switch (mb[1]) { 1303 case A84_PANIC_RECOVERY: 1304 ql_log(ql_log_info, vha, 0x5019, 1305 "Alert 84XX: panic recovery %04x %04x.\n", 1306 mb[2], mb[3]); 1307 break; 1308 case A84_OP_LOGIN_COMPLETE: 1309 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1310 ql_log(ql_log_info, vha, 0x501a, 1311 "Alert 84XX: firmware version %x.\n", 1312 ha->cs84xx->op_fw_version); 1313 break; 1314 case A84_DIAG_LOGIN_COMPLETE: 1315 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1316 ql_log(ql_log_info, vha, 0x501b, 1317 "Alert 84XX: diagnostic firmware version %x.\n", 1318 ha->cs84xx->diag_fw_version); 1319 break; 1320 case A84_GOLD_LOGIN_COMPLETE: 1321 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1322 ha->cs84xx->fw_update = 1; 1323 ql_log(ql_log_info, vha, 0x501c, 1324 "Alert 84XX: gold firmware version %x.\n", 1325 ha->cs84xx->gold_fw_version); 1326 break; 1327 default: 1328 ql_log(ql_log_warn, vha, 0x501d, 1329 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1330 mb[1], mb[2], mb[3]); 1331 } 1332 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1333 break; 1334 case MBA_DCBX_START: 1335 ql_dbg(ql_dbg_async, vha, 0x501e, 1336 "DCBX Started -- %04x %04x %04x.\n", 1337 mb[1], mb[2], mb[3]); 1338 break; 1339 case MBA_DCBX_PARAM_UPDATE: 1340 ql_dbg(ql_dbg_async, vha, 0x501f, 1341 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1342 mb[1], mb[2], mb[3]); 1343 break; 1344 case MBA_FCF_CONF_ERR: 1345 ql_dbg(ql_dbg_async, vha, 0x5020, 1346 "FCF Configuration Error -- %04x %04x %04x.\n", 1347 mb[1], mb[2], mb[3]); 1348 break; 1349 case MBA_IDC_NOTIFY: 1350 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1351 mb[4] = RD_REG_WORD(®24->mailbox4); 1352 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1353 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1354 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1355 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1356 /* 1357 * Extend loop down timer since port is active. 1358 */ 1359 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1360 atomic_set(&vha->loop_down_timer, 1361 LOOP_DOWN_TIME); 1362 qla2xxx_wake_dpc(vha); 1363 } 1364 } 1365 /* fall through */ 1366 case MBA_IDC_COMPLETE: 1367 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1368 complete(&ha->lb_portup_comp); 1369 /* Fallthru */ 1370 case MBA_IDC_TIME_EXT: 1371 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1372 IS_QLA8044(ha)) 1373 qla81xx_idc_event(vha, mb[0], mb[1]); 1374 break; 1375 1376 case MBA_IDC_AEN: 1377 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1378 ha->flags.fw_init_done = 0; 1379 ql_log(ql_log_warn, vha, 0xffff, 1380 "MPI Heartbeat stop. Chip reset needed. MB0[%xh] MB1[%xh] MB2[%xh] MB3[%xh]\n", 1381 mb[0], mb[1], mb[2], mb[3]); 1382 1383 if ((mb[1] & BIT_8) || 1384 (mb[2] & BIT_8)) { 1385 ql_log(ql_log_warn, vha, 0xd013, 1386 "MPI Heartbeat stop. FW dump needed\n"); 1387 ha->fw_dump_mpi = 1; 1388 ha->isp_ops->fw_dump(vha, 1); 1389 } 1390 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1391 qla2xxx_wake_dpc(vha); 1392 } else if (IS_QLA83XX(ha)) { 1393 mb[4] = RD_REG_WORD(®24->mailbox4); 1394 mb[5] = RD_REG_WORD(®24->mailbox5); 1395 mb[6] = RD_REG_WORD(®24->mailbox6); 1396 mb[7] = RD_REG_WORD(®24->mailbox7); 1397 qla83xx_handle_8200_aen(vha, mb); 1398 } else { 1399 ql_dbg(ql_dbg_async, vha, 0x5052, 1400 "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n", 1401 mb[0], mb[1], mb[2], mb[3]); 1402 } 1403 break; 1404 1405 case MBA_DPORT_DIAGNOSTICS: 1406 ql_dbg(ql_dbg_async, vha, 0x5052, 1407 "D-Port Diagnostics: %04x %04x %04x %04x\n", 1408 mb[0], mb[1], mb[2], mb[3]); 1409 memcpy(vha->dport_data, mb, sizeof(vha->dport_data)); 1410 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1411 static char *results[] = { 1412 "start", "done(pass)", "done(error)", "undefined" }; 1413 static char *types[] = { 1414 "none", "dynamic", "static", "other" }; 1415 uint result = mb[1] >> 0 & 0x3; 1416 uint type = mb[1] >> 6 & 0x3; 1417 uint sw = mb[1] >> 15 & 0x1; 1418 ql_dbg(ql_dbg_async, vha, 0x5052, 1419 "D-Port Diagnostics: result=%s type=%s [sw=%u]\n", 1420 results[result], types[type], sw); 1421 if (result == 2) { 1422 static char *reasons[] = { 1423 "reserved", "unexpected reject", 1424 "unexpected phase", "retry exceeded", 1425 "timed out", "not supported", 1426 "user stopped" }; 1427 uint reason = mb[2] >> 0 & 0xf; 1428 uint phase = mb[2] >> 12 & 0xf; 1429 ql_dbg(ql_dbg_async, vha, 0x5052, 1430 "D-Port Diagnostics: reason=%s phase=%u \n", 1431 reason < 7 ? reasons[reason] : "other", 1432 phase >> 1); 1433 } 1434 } 1435 break; 1436 1437 case MBA_TEMPERATURE_ALERT: 1438 ql_dbg(ql_dbg_async, vha, 0x505e, 1439 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1440 if (mb[1] == 0x12) 1441 schedule_work(&ha->board_disable); 1442 break; 1443 1444 case MBA_TRANS_INSERT: 1445 ql_dbg(ql_dbg_async, vha, 0x5091, 1446 "Transceiver Insertion: %04x\n", mb[1]); 1447 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 1448 break; 1449 1450 case MBA_TRANS_REMOVE: 1451 ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Removal\n"); 1452 break; 1453 1454 default: 1455 ql_dbg(ql_dbg_async, vha, 0x5057, 1456 "Unknown AEN:%04x %04x %04x %04x\n", 1457 mb[0], mb[1], mb[2], mb[3]); 1458 } 1459 1460 qlt_async_event(mb[0], vha, mb); 1461 1462 if (!vha->vp_idx && ha->num_vhosts) 1463 qla2x00_alert_all_vps(rsp, mb); 1464 } 1465 1466 /** 1467 * qla2x00_process_completed_request() - Process a Fast Post response. 1468 * @vha: SCSI driver HA context 1469 * @req: request queue 1470 * @index: SRB index 1471 */ 1472 void 1473 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1474 struct req_que *req, uint32_t index) 1475 { 1476 srb_t *sp; 1477 struct qla_hw_data *ha = vha->hw; 1478 1479 /* Validate handle. */ 1480 if (index >= req->num_outstanding_cmds) { 1481 ql_log(ql_log_warn, vha, 0x3014, 1482 "Invalid SCSI command index (%x).\n", index); 1483 1484 if (IS_P3P_TYPE(ha)) 1485 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1486 else 1487 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1488 return; 1489 } 1490 1491 sp = req->outstanding_cmds[index]; 1492 if (sp) { 1493 /* Free outstanding command slot. */ 1494 req->outstanding_cmds[index] = NULL; 1495 1496 /* Save ISP completion status */ 1497 sp->done(sp, DID_OK << 16); 1498 } else { 1499 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1500 1501 if (IS_P3P_TYPE(ha)) 1502 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1503 else 1504 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1505 } 1506 } 1507 1508 srb_t * 1509 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1510 struct req_que *req, void *iocb) 1511 { 1512 struct qla_hw_data *ha = vha->hw; 1513 sts_entry_t *pkt = iocb; 1514 srb_t *sp = NULL; 1515 uint16_t index; 1516 1517 index = LSW(pkt->handle); 1518 if (index >= req->num_outstanding_cmds) { 1519 ql_log(ql_log_warn, vha, 0x5031, 1520 "Invalid command index (%x) type %8ph.\n", 1521 index, iocb); 1522 if (IS_P3P_TYPE(ha)) 1523 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1524 else 1525 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1526 goto done; 1527 } 1528 sp = req->outstanding_cmds[index]; 1529 if (!sp) { 1530 ql_log(ql_log_warn, vha, 0x5032, 1531 "Invalid completion handle (%x) -- timed-out.\n", index); 1532 return sp; 1533 } 1534 if (sp->handle != index) { 1535 ql_log(ql_log_warn, vha, 0x5033, 1536 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1537 return NULL; 1538 } 1539 1540 req->outstanding_cmds[index] = NULL; 1541 1542 done: 1543 return sp; 1544 } 1545 1546 static void 1547 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1548 struct mbx_entry *mbx) 1549 { 1550 const char func[] = "MBX-IOCB"; 1551 const char *type; 1552 fc_port_t *fcport; 1553 srb_t *sp; 1554 struct srb_iocb *lio; 1555 uint16_t *data; 1556 uint16_t status; 1557 1558 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1559 if (!sp) 1560 return; 1561 1562 lio = &sp->u.iocb_cmd; 1563 type = sp->name; 1564 fcport = sp->fcport; 1565 data = lio->u.logio.data; 1566 1567 data[0] = MBS_COMMAND_ERROR; 1568 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1569 QLA_LOGIO_LOGIN_RETRIED : 0; 1570 if (mbx->entry_status) { 1571 ql_dbg(ql_dbg_async, vha, 0x5043, 1572 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1573 "entry-status=%x status=%x state-flag=%x " 1574 "status-flags=%x.\n", type, sp->handle, 1575 fcport->d_id.b.domain, fcport->d_id.b.area, 1576 fcport->d_id.b.al_pa, mbx->entry_status, 1577 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1578 le16_to_cpu(mbx->status_flags)); 1579 1580 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1581 mbx, sizeof(*mbx)); 1582 1583 goto logio_done; 1584 } 1585 1586 status = le16_to_cpu(mbx->status); 1587 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1588 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1589 status = 0; 1590 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1591 ql_dbg(ql_dbg_async, vha, 0x5045, 1592 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1593 type, sp->handle, fcport->d_id.b.domain, 1594 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1595 le16_to_cpu(mbx->mb1)); 1596 1597 data[0] = MBS_COMMAND_COMPLETE; 1598 if (sp->type == SRB_LOGIN_CMD) { 1599 fcport->port_type = FCT_TARGET; 1600 if (le16_to_cpu(mbx->mb1) & BIT_0) 1601 fcport->port_type = FCT_INITIATOR; 1602 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1603 fcport->flags |= FCF_FCP2_DEVICE; 1604 } 1605 goto logio_done; 1606 } 1607 1608 data[0] = le16_to_cpu(mbx->mb0); 1609 switch (data[0]) { 1610 case MBS_PORT_ID_USED: 1611 data[1] = le16_to_cpu(mbx->mb1); 1612 break; 1613 case MBS_LOOP_ID_USED: 1614 break; 1615 default: 1616 data[0] = MBS_COMMAND_ERROR; 1617 break; 1618 } 1619 1620 ql_log(ql_log_warn, vha, 0x5046, 1621 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1622 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1623 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1624 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1625 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1626 le16_to_cpu(mbx->mb7)); 1627 1628 logio_done: 1629 sp->done(sp, 0); 1630 } 1631 1632 static void 1633 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1634 struct mbx_24xx_entry *pkt) 1635 { 1636 const char func[] = "MBX-IOCB2"; 1637 srb_t *sp; 1638 struct srb_iocb *si; 1639 u16 sz, i; 1640 int res; 1641 1642 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1643 if (!sp) 1644 return; 1645 1646 si = &sp->u.iocb_cmd; 1647 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1648 1649 for (i = 0; i < sz; i++) 1650 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1651 1652 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1653 1654 sp->done(sp, res); 1655 } 1656 1657 static void 1658 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1659 struct nack_to_isp *pkt) 1660 { 1661 const char func[] = "nack"; 1662 srb_t *sp; 1663 int res = 0; 1664 1665 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1666 if (!sp) 1667 return; 1668 1669 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1670 res = QLA_FUNCTION_FAILED; 1671 1672 sp->done(sp, res); 1673 } 1674 1675 static void 1676 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1677 sts_entry_t *pkt, int iocb_type) 1678 { 1679 const char func[] = "CT_IOCB"; 1680 const char *type; 1681 srb_t *sp; 1682 struct bsg_job *bsg_job; 1683 struct fc_bsg_reply *bsg_reply; 1684 uint16_t comp_status; 1685 int res = 0; 1686 1687 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1688 if (!sp) 1689 return; 1690 1691 switch (sp->type) { 1692 case SRB_CT_CMD: 1693 bsg_job = sp->u.bsg_job; 1694 bsg_reply = bsg_job->reply; 1695 1696 type = "ct pass-through"; 1697 1698 comp_status = le16_to_cpu(pkt->comp_status); 1699 1700 /* 1701 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1702 * fc payload to the caller 1703 */ 1704 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1705 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1706 1707 if (comp_status != CS_COMPLETE) { 1708 if (comp_status == CS_DATA_UNDERRUN) { 1709 res = DID_OK << 16; 1710 bsg_reply->reply_payload_rcv_len = 1711 le16_to_cpu(pkt->rsp_info_len); 1712 1713 ql_log(ql_log_warn, vha, 0x5048, 1714 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1715 type, comp_status, 1716 bsg_reply->reply_payload_rcv_len); 1717 } else { 1718 ql_log(ql_log_warn, vha, 0x5049, 1719 "CT pass-through-%s error comp_status=0x%x.\n", 1720 type, comp_status); 1721 res = DID_ERROR << 16; 1722 bsg_reply->reply_payload_rcv_len = 0; 1723 } 1724 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1725 pkt, sizeof(*pkt)); 1726 } else { 1727 res = DID_OK << 16; 1728 bsg_reply->reply_payload_rcv_len = 1729 bsg_job->reply_payload.payload_len; 1730 bsg_job->reply_len = 0; 1731 } 1732 break; 1733 case SRB_CT_PTHRU_CMD: 1734 /* 1735 * borrowing sts_entry_24xx.comp_status. 1736 * same location as ct_entry_24xx.comp_status 1737 */ 1738 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1739 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1740 sp->name); 1741 break; 1742 } 1743 1744 sp->done(sp, res); 1745 } 1746 1747 static void 1748 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1749 struct sts_entry_24xx *pkt, int iocb_type) 1750 { 1751 const char func[] = "ELS_CT_IOCB"; 1752 const char *type; 1753 srb_t *sp; 1754 struct bsg_job *bsg_job; 1755 struct fc_bsg_reply *bsg_reply; 1756 uint16_t comp_status; 1757 uint32_t fw_status[3]; 1758 int res; 1759 struct srb_iocb *els; 1760 1761 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1762 if (!sp) 1763 return; 1764 1765 type = NULL; 1766 switch (sp->type) { 1767 case SRB_ELS_CMD_RPT: 1768 case SRB_ELS_CMD_HST: 1769 type = "els"; 1770 break; 1771 case SRB_CT_CMD: 1772 type = "ct pass-through"; 1773 break; 1774 case SRB_ELS_DCMD: 1775 type = "Driver ELS logo"; 1776 if (iocb_type != ELS_IOCB_TYPE) { 1777 ql_dbg(ql_dbg_user, vha, 0x5047, 1778 "Completing %s: (%p) type=%d.\n", 1779 type, sp, sp->type); 1780 sp->done(sp, 0); 1781 return; 1782 } 1783 break; 1784 case SRB_CT_PTHRU_CMD: 1785 /* borrowing sts_entry_24xx.comp_status. 1786 same location as ct_entry_24xx.comp_status 1787 */ 1788 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 1789 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1790 sp->name); 1791 sp->done(sp, res); 1792 return; 1793 default: 1794 ql_dbg(ql_dbg_user, vha, 0x503e, 1795 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1796 return; 1797 } 1798 1799 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1800 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1); 1801 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2); 1802 1803 if (iocb_type == ELS_IOCB_TYPE) { 1804 els = &sp->u.iocb_cmd; 1805 els->u.els_plogi.fw_status[0] = fw_status[0]; 1806 els->u.els_plogi.fw_status[1] = fw_status[1]; 1807 els->u.els_plogi.fw_status[2] = fw_status[2]; 1808 els->u.els_plogi.comp_status = fw_status[0]; 1809 if (comp_status == CS_COMPLETE) { 1810 res = DID_OK << 16; 1811 } else { 1812 if (comp_status == CS_DATA_UNDERRUN) { 1813 res = DID_OK << 16; 1814 els->u.els_plogi.len = 1815 le16_to_cpu(((struct els_sts_entry_24xx *) 1816 pkt)->total_byte_count); 1817 } else { 1818 els->u.els_plogi.len = 0; 1819 res = DID_ERROR << 16; 1820 } 1821 } 1822 ql_dbg(ql_dbg_user, vha, 0x503f, 1823 "ELS IOCB Done -%s error hdl=%x comp_status=0x%x error subcode 1=0x%x error subcode 2=0x%x total_byte=0x%x\n", 1824 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1825 le16_to_cpu(((struct els_sts_entry_24xx *) 1826 pkt)->total_byte_count)); 1827 goto els_ct_done; 1828 } 1829 1830 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1831 * fc payload to the caller 1832 */ 1833 bsg_job = sp->u.bsg_job; 1834 bsg_reply = bsg_job->reply; 1835 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1836 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1837 1838 if (comp_status != CS_COMPLETE) { 1839 if (comp_status == CS_DATA_UNDERRUN) { 1840 res = DID_OK << 16; 1841 bsg_reply->reply_payload_rcv_len = 1842 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1843 1844 ql_dbg(ql_dbg_user, vha, 0x503f, 1845 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1846 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1847 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1848 le16_to_cpu(((struct els_sts_entry_24xx *) 1849 pkt)->total_byte_count)); 1850 } else { 1851 ql_dbg(ql_dbg_user, vha, 0x5040, 1852 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1853 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1854 type, sp->handle, comp_status, 1855 le16_to_cpu(((struct els_sts_entry_24xx *) 1856 pkt)->error_subcode_1), 1857 le16_to_cpu(((struct els_sts_entry_24xx *) 1858 pkt)->error_subcode_2)); 1859 res = DID_ERROR << 16; 1860 bsg_reply->reply_payload_rcv_len = 0; 1861 } 1862 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 1863 fw_status, sizeof(fw_status)); 1864 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1865 pkt, sizeof(*pkt)); 1866 } 1867 else { 1868 res = DID_OK << 16; 1869 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1870 bsg_job->reply_len = 0; 1871 } 1872 els_ct_done: 1873 1874 sp->done(sp, res); 1875 } 1876 1877 static void 1878 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1879 struct logio_entry_24xx *logio) 1880 { 1881 const char func[] = "LOGIO-IOCB"; 1882 const char *type; 1883 fc_port_t *fcport; 1884 srb_t *sp; 1885 struct srb_iocb *lio; 1886 uint16_t *data; 1887 uint32_t iop[2]; 1888 1889 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1890 if (!sp) 1891 return; 1892 1893 lio = &sp->u.iocb_cmd; 1894 type = sp->name; 1895 fcport = sp->fcport; 1896 data = lio->u.logio.data; 1897 1898 data[0] = MBS_COMMAND_ERROR; 1899 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1900 QLA_LOGIO_LOGIN_RETRIED : 0; 1901 if (logio->entry_status) { 1902 ql_log(ql_log_warn, fcport->vha, 0x5034, 1903 "Async-%s error entry - %8phC hdl=%x" 1904 "portid=%02x%02x%02x entry-status=%x.\n", 1905 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1906 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1907 logio->entry_status); 1908 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1909 logio, sizeof(*logio)); 1910 1911 goto logio_done; 1912 } 1913 1914 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1915 ql_dbg(ql_dbg_async, sp->vha, 0x5036, 1916 "Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n", 1917 type, sp->handle, fcport->d_id.b24, fcport->port_name, 1918 le32_to_cpu(logio->io_parameter[0])); 1919 1920 vha->hw->exch_starvation = 0; 1921 data[0] = MBS_COMMAND_COMPLETE; 1922 1923 if (sp->type == SRB_PRLI_CMD) { 1924 lio->u.logio.iop[0] = 1925 le32_to_cpu(logio->io_parameter[0]); 1926 lio->u.logio.iop[1] = 1927 le32_to_cpu(logio->io_parameter[1]); 1928 goto logio_done; 1929 } 1930 1931 if (sp->type != SRB_LOGIN_CMD) 1932 goto logio_done; 1933 1934 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1935 if (iop[0] & BIT_4) { 1936 fcport->port_type = FCT_TARGET; 1937 if (iop[0] & BIT_8) 1938 fcport->flags |= FCF_FCP2_DEVICE; 1939 } else if (iop[0] & BIT_5) 1940 fcport->port_type = FCT_INITIATOR; 1941 1942 if (iop[0] & BIT_7) 1943 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1944 1945 if (logio->io_parameter[7] || logio->io_parameter[8]) 1946 fcport->supported_classes |= FC_COS_CLASS2; 1947 if (logio->io_parameter[9] || logio->io_parameter[10]) 1948 fcport->supported_classes |= FC_COS_CLASS3; 1949 1950 goto logio_done; 1951 } 1952 1953 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1954 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1955 lio->u.logio.iop[0] = iop[0]; 1956 lio->u.logio.iop[1] = iop[1]; 1957 switch (iop[0]) { 1958 case LSC_SCODE_PORTID_USED: 1959 data[0] = MBS_PORT_ID_USED; 1960 data[1] = LSW(iop[1]); 1961 break; 1962 case LSC_SCODE_NPORT_USED: 1963 data[0] = MBS_LOOP_ID_USED; 1964 break; 1965 case LSC_SCODE_CMD_FAILED: 1966 if (iop[1] == 0x0606) { 1967 /* 1968 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1969 * Target side acked. 1970 */ 1971 data[0] = MBS_COMMAND_COMPLETE; 1972 goto logio_done; 1973 } 1974 data[0] = MBS_COMMAND_ERROR; 1975 break; 1976 case LSC_SCODE_NOXCB: 1977 vha->hw->exch_starvation++; 1978 if (vha->hw->exch_starvation > 5) { 1979 ql_log(ql_log_warn, vha, 0xd046, 1980 "Exchange starvation. Resetting RISC\n"); 1981 1982 vha->hw->exch_starvation = 0; 1983 1984 if (IS_P3P_TYPE(vha->hw)) 1985 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1986 else 1987 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1988 qla2xxx_wake_dpc(vha); 1989 } 1990 /* fall through */ 1991 default: 1992 data[0] = MBS_COMMAND_ERROR; 1993 break; 1994 } 1995 1996 ql_dbg(ql_dbg_async, sp->vha, 0x5037, 1997 "Async-%s failed: handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", 1998 type, sp->handle, fcport->d_id.b24, fcport->port_name, 1999 le16_to_cpu(logio->comp_status), 2000 le32_to_cpu(logio->io_parameter[0]), 2001 le32_to_cpu(logio->io_parameter[1])); 2002 2003 logio_done: 2004 sp->done(sp, 0); 2005 } 2006 2007 static void 2008 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 2009 { 2010 const char func[] = "TMF-IOCB"; 2011 const char *type; 2012 fc_port_t *fcport; 2013 srb_t *sp; 2014 struct srb_iocb *iocb; 2015 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2016 2017 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 2018 if (!sp) 2019 return; 2020 2021 iocb = &sp->u.iocb_cmd; 2022 type = sp->name; 2023 fcport = sp->fcport; 2024 iocb->u.tmf.data = QLA_SUCCESS; 2025 2026 if (sts->entry_status) { 2027 ql_log(ql_log_warn, fcport->vha, 0x5038, 2028 "Async-%s error - hdl=%x entry-status(%x).\n", 2029 type, sp->handle, sts->entry_status); 2030 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2031 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 2032 ql_log(ql_log_warn, fcport->vha, 0x5039, 2033 "Async-%s error - hdl=%x completion status(%x).\n", 2034 type, sp->handle, sts->comp_status); 2035 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2036 } else if ((le16_to_cpu(sts->scsi_status) & 2037 SS_RESPONSE_INFO_LEN_VALID)) { 2038 if (le32_to_cpu(sts->rsp_data_len) < 4) { 2039 ql_log(ql_log_warn, fcport->vha, 0x503b, 2040 "Async-%s error - hdl=%x not enough response(%d).\n", 2041 type, sp->handle, sts->rsp_data_len); 2042 } else if (sts->data[3]) { 2043 ql_log(ql_log_warn, fcport->vha, 0x503c, 2044 "Async-%s error - hdl=%x response(%x).\n", 2045 type, sp->handle, sts->data[3]); 2046 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2047 } 2048 } 2049 2050 if (iocb->u.tmf.data != QLA_SUCCESS) 2051 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, 2052 sts, sizeof(*sts)); 2053 2054 sp->done(sp, 0); 2055 } 2056 2057 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2058 void *tsk, srb_t *sp) 2059 { 2060 fc_port_t *fcport; 2061 struct srb_iocb *iocb; 2062 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2063 uint16_t state_flags; 2064 struct nvmefc_fcp_req *fd; 2065 uint16_t ret = QLA_SUCCESS; 2066 uint16_t comp_status = le16_to_cpu(sts->comp_status); 2067 int logit = 0; 2068 2069 iocb = &sp->u.iocb_cmd; 2070 fcport = sp->fcport; 2071 iocb->u.nvme.comp_status = comp_status; 2072 state_flags = le16_to_cpu(sts->state_flags); 2073 fd = iocb->u.nvme.desc; 2074 2075 if (unlikely(iocb->u.nvme.aen_op)) 2076 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 2077 2078 if (unlikely(comp_status != CS_COMPLETE)) 2079 logit = 1; 2080 2081 fd->transferred_length = fd->payload_length - 2082 le32_to_cpu(sts->residual_len); 2083 2084 /* 2085 * State flags: Bit 6 and 0. 2086 * If 0 is set, we don't care about 6. 2087 * both cases resp was dma'd to host buffer 2088 * if both are 0, that is good path case. 2089 * if six is set and 0 is clear, we need to 2090 * copy resp data from status iocb to resp buffer. 2091 */ 2092 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 2093 iocb->u.nvme.rsp_pyld_len = 0; 2094 } else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) == 2095 (SF_FCP_RSP_DMA | SF_NVME_ERSP)) { 2096 /* Response already DMA'd to fd->rspaddr. */ 2097 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 2098 } else if ((state_flags & SF_FCP_RSP_DMA)) { 2099 /* 2100 * Non-zero value in first 12 bytes of NVMe_RSP IU, treat this 2101 * as an error. 2102 */ 2103 iocb->u.nvme.rsp_pyld_len = 0; 2104 fd->transferred_length = 0; 2105 ql_dbg(ql_dbg_io, fcport->vha, 0x307a, 2106 "Unexpected values in NVMe_RSP IU.\n"); 2107 logit = 1; 2108 } else if (state_flags & SF_NVME_ERSP) { 2109 uint32_t *inbuf, *outbuf; 2110 uint16_t iter; 2111 2112 inbuf = (uint32_t *)&sts->nvme_ersp_data; 2113 outbuf = (uint32_t *)fd->rspaddr; 2114 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 2115 if (unlikely(iocb->u.nvme.rsp_pyld_len > 2116 sizeof(struct nvme_fc_ersp_iu))) { 2117 if (ql_mask_match(ql_dbg_io)) { 2118 WARN_ONCE(1, "Unexpected response payload length %u.\n", 2119 iocb->u.nvme.rsp_pyld_len); 2120 ql_log(ql_log_warn, fcport->vha, 0x5100, 2121 "Unexpected response payload length %u.\n", 2122 iocb->u.nvme.rsp_pyld_len); 2123 } 2124 iocb->u.nvme.rsp_pyld_len = 2125 sizeof(struct nvme_fc_ersp_iu); 2126 } 2127 iter = iocb->u.nvme.rsp_pyld_len >> 2; 2128 for (; iter; iter--) 2129 *outbuf++ = swab32(*inbuf++); 2130 } 2131 2132 if (state_flags & SF_NVME_ERSP) { 2133 struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr; 2134 u32 tgt_xfer_len; 2135 2136 tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len); 2137 if (fd->transferred_length != tgt_xfer_len) { 2138 ql_dbg(ql_dbg_io, fcport->vha, 0x3079, 2139 "Dropped frame(s) detected (sent/rcvd=%u/%u).\n", 2140 tgt_xfer_len, fd->transferred_length); 2141 logit = 1; 2142 } else if (comp_status == CS_DATA_UNDERRUN) { 2143 /* 2144 * Do not log if this is just an underflow and there 2145 * is no data loss. 2146 */ 2147 logit = 0; 2148 } 2149 } 2150 2151 if (unlikely(logit)) 2152 ql_log(ql_log_warn, fcport->vha, 0x5060, 2153 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 2154 sp->name, sp->handle, comp_status, 2155 fd->transferred_length, le32_to_cpu(sts->residual_len), 2156 sts->ox_id); 2157 2158 /* 2159 * If transport error then Failure (HBA rejects request) 2160 * otherwise transport will handle. 2161 */ 2162 switch (comp_status) { 2163 case CS_COMPLETE: 2164 break; 2165 2166 case CS_RESET: 2167 case CS_PORT_UNAVAILABLE: 2168 case CS_PORT_LOGGED_OUT: 2169 fcport->nvme_flag |= NVME_FLAG_RESETTING; 2170 /* fall through */ 2171 case CS_ABORTED: 2172 case CS_PORT_BUSY: 2173 fd->transferred_length = 0; 2174 iocb->u.nvme.rsp_pyld_len = 0; 2175 ret = QLA_ABORTED; 2176 break; 2177 case CS_DATA_UNDERRUN: 2178 break; 2179 default: 2180 ret = QLA_FUNCTION_FAILED; 2181 break; 2182 } 2183 sp->done(sp, ret); 2184 } 2185 2186 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 2187 struct vp_ctrl_entry_24xx *vce) 2188 { 2189 const char func[] = "CTRLVP-IOCB"; 2190 srb_t *sp; 2191 int rval = QLA_SUCCESS; 2192 2193 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 2194 if (!sp) 2195 return; 2196 2197 if (vce->entry_status != 0) { 2198 ql_dbg(ql_dbg_vport, vha, 0x10c4, 2199 "%s: Failed to complete IOCB -- error status (%x)\n", 2200 sp->name, vce->entry_status); 2201 rval = QLA_FUNCTION_FAILED; 2202 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 2203 ql_dbg(ql_dbg_vport, vha, 0x10c5, 2204 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 2205 sp->name, le16_to_cpu(vce->comp_status), 2206 le16_to_cpu(vce->vp_idx_failed)); 2207 rval = QLA_FUNCTION_FAILED; 2208 } else { 2209 ql_dbg(ql_dbg_vport, vha, 0x10c6, 2210 "Done %s.\n", __func__); 2211 } 2212 2213 sp->rc = rval; 2214 sp->done(sp, rval); 2215 } 2216 2217 /* Process a single response queue entry. */ 2218 static void qla2x00_process_response_entry(struct scsi_qla_host *vha, 2219 struct rsp_que *rsp, 2220 sts_entry_t *pkt) 2221 { 2222 sts21_entry_t *sts21_entry; 2223 sts22_entry_t *sts22_entry; 2224 uint16_t handle_cnt; 2225 uint16_t cnt; 2226 2227 switch (pkt->entry_type) { 2228 case STATUS_TYPE: 2229 qla2x00_status_entry(vha, rsp, pkt); 2230 break; 2231 case STATUS_TYPE_21: 2232 sts21_entry = (sts21_entry_t *)pkt; 2233 handle_cnt = sts21_entry->handle_count; 2234 for (cnt = 0; cnt < handle_cnt; cnt++) 2235 qla2x00_process_completed_request(vha, rsp->req, 2236 sts21_entry->handle[cnt]); 2237 break; 2238 case STATUS_TYPE_22: 2239 sts22_entry = (sts22_entry_t *)pkt; 2240 handle_cnt = sts22_entry->handle_count; 2241 for (cnt = 0; cnt < handle_cnt; cnt++) 2242 qla2x00_process_completed_request(vha, rsp->req, 2243 sts22_entry->handle[cnt]); 2244 break; 2245 case STATUS_CONT_TYPE: 2246 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2247 break; 2248 case MBX_IOCB_TYPE: 2249 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt); 2250 break; 2251 case CT_IOCB_TYPE: 2252 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2253 break; 2254 default: 2255 /* Type Not Supported. */ 2256 ql_log(ql_log_warn, vha, 0x504a, 2257 "Received unknown response pkt type %x entry status=%x.\n", 2258 pkt->entry_type, pkt->entry_status); 2259 break; 2260 } 2261 } 2262 2263 /** 2264 * qla2x00_process_response_queue() - Process response queue entries. 2265 * @rsp: response queue 2266 */ 2267 void 2268 qla2x00_process_response_queue(struct rsp_que *rsp) 2269 { 2270 struct scsi_qla_host *vha; 2271 struct qla_hw_data *ha = rsp->hw; 2272 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2273 sts_entry_t *pkt; 2274 2275 vha = pci_get_drvdata(ha->pdev); 2276 2277 if (!vha->flags.online) 2278 return; 2279 2280 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2281 pkt = (sts_entry_t *)rsp->ring_ptr; 2282 2283 rsp->ring_index++; 2284 if (rsp->ring_index == rsp->length) { 2285 rsp->ring_index = 0; 2286 rsp->ring_ptr = rsp->ring; 2287 } else { 2288 rsp->ring_ptr++; 2289 } 2290 2291 if (pkt->entry_status != 0) { 2292 qla2x00_error_entry(vha, rsp, pkt); 2293 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2294 wmb(); 2295 continue; 2296 } 2297 2298 qla2x00_process_response_entry(vha, rsp, pkt); 2299 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2300 wmb(); 2301 } 2302 2303 /* Adjust ring index */ 2304 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2305 } 2306 2307 static inline void 2308 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2309 uint32_t sense_len, struct rsp_que *rsp, int res) 2310 { 2311 struct scsi_qla_host *vha = sp->vha; 2312 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2313 uint32_t track_sense_len; 2314 2315 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2316 sense_len = SCSI_SENSE_BUFFERSIZE; 2317 2318 SET_CMD_SENSE_LEN(sp, sense_len); 2319 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2320 track_sense_len = sense_len; 2321 2322 if (sense_len > par_sense_len) 2323 sense_len = par_sense_len; 2324 2325 memcpy(cp->sense_buffer, sense_data, sense_len); 2326 2327 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2328 track_sense_len -= sense_len; 2329 SET_CMD_SENSE_LEN(sp, track_sense_len); 2330 2331 if (track_sense_len != 0) { 2332 rsp->status_srb = sp; 2333 cp->result = res; 2334 } 2335 2336 if (sense_len) { 2337 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2338 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2339 sp->vha->host_no, cp->device->id, cp->device->lun, 2340 cp); 2341 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2342 cp->sense_buffer, sense_len); 2343 } 2344 } 2345 2346 struct scsi_dif_tuple { 2347 __be16 guard; /* Checksum */ 2348 __be16 app_tag; /* APPL identifier */ 2349 __be32 ref_tag; /* Target LBA or indirect LBA */ 2350 }; 2351 2352 /* 2353 * Checks the guard or meta-data for the type of error 2354 * detected by the HBA. In case of errors, we set the 2355 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2356 * to indicate to the kernel that the HBA detected error. 2357 */ 2358 static inline int 2359 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2360 { 2361 struct scsi_qla_host *vha = sp->vha; 2362 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2363 uint8_t *ap = &sts24->data[12]; 2364 uint8_t *ep = &sts24->data[20]; 2365 uint32_t e_ref_tag, a_ref_tag; 2366 uint16_t e_app_tag, a_app_tag; 2367 uint16_t e_guard, a_guard; 2368 2369 /* 2370 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2371 * would make guard field appear at offset 2 2372 */ 2373 a_guard = get_unaligned_le16(ap + 2); 2374 a_app_tag = get_unaligned_le16(ap + 0); 2375 a_ref_tag = get_unaligned_le32(ap + 4); 2376 e_guard = get_unaligned_le16(ep + 2); 2377 e_app_tag = get_unaligned_le16(ep + 0); 2378 e_ref_tag = get_unaligned_le32(ep + 4); 2379 2380 ql_dbg(ql_dbg_io, vha, 0x3023, 2381 "iocb(s) %p Returned STATUS.\n", sts24); 2382 2383 ql_dbg(ql_dbg_io, vha, 0x3024, 2384 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2385 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2386 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2387 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2388 a_app_tag, e_app_tag, a_guard, e_guard); 2389 2390 /* 2391 * Ignore sector if: 2392 * For type 3: ref & app tag is all 'f's 2393 * For type 0,1,2: app tag is all 'f's 2394 */ 2395 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2396 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2397 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2398 uint32_t blocks_done, resid; 2399 sector_t lba_s = scsi_get_lba(cmd); 2400 2401 /* 2TB boundary case covered automatically with this */ 2402 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2403 2404 resid = scsi_bufflen(cmd) - (blocks_done * 2405 cmd->device->sector_size); 2406 2407 scsi_set_resid(cmd, resid); 2408 cmd->result = DID_OK << 16; 2409 2410 /* Update protection tag */ 2411 if (scsi_prot_sg_count(cmd)) { 2412 uint32_t i, j = 0, k = 0, num_ent; 2413 struct scatterlist *sg; 2414 struct t10_pi_tuple *spt; 2415 2416 /* Patch the corresponding protection tags */ 2417 scsi_for_each_prot_sg(cmd, sg, 2418 scsi_prot_sg_count(cmd), i) { 2419 num_ent = sg_dma_len(sg) / 8; 2420 if (k + num_ent < blocks_done) { 2421 k += num_ent; 2422 continue; 2423 } 2424 j = blocks_done - k - 1; 2425 k = blocks_done; 2426 break; 2427 } 2428 2429 if (k != blocks_done) { 2430 ql_log(ql_log_warn, vha, 0x302f, 2431 "unexpected tag values tag:lba=%x:%llx)\n", 2432 e_ref_tag, (unsigned long long)lba_s); 2433 return 1; 2434 } 2435 2436 spt = page_address(sg_page(sg)) + sg->offset; 2437 spt += j; 2438 2439 spt->app_tag = T10_PI_APP_ESCAPE; 2440 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2441 spt->ref_tag = T10_PI_REF_ESCAPE; 2442 } 2443 2444 return 0; 2445 } 2446 2447 /* check guard */ 2448 if (e_guard != a_guard) { 2449 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2450 0x10, 0x1); 2451 set_driver_byte(cmd, DRIVER_SENSE); 2452 set_host_byte(cmd, DID_ABORT); 2453 cmd->result |= SAM_STAT_CHECK_CONDITION; 2454 return 1; 2455 } 2456 2457 /* check ref tag */ 2458 if (e_ref_tag != a_ref_tag) { 2459 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2460 0x10, 0x3); 2461 set_driver_byte(cmd, DRIVER_SENSE); 2462 set_host_byte(cmd, DID_ABORT); 2463 cmd->result |= SAM_STAT_CHECK_CONDITION; 2464 return 1; 2465 } 2466 2467 /* check appl tag */ 2468 if (e_app_tag != a_app_tag) { 2469 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2470 0x10, 0x2); 2471 set_driver_byte(cmd, DRIVER_SENSE); 2472 set_host_byte(cmd, DID_ABORT); 2473 cmd->result |= SAM_STAT_CHECK_CONDITION; 2474 return 1; 2475 } 2476 2477 return 1; 2478 } 2479 2480 static void 2481 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2482 struct req_que *req, uint32_t index) 2483 { 2484 struct qla_hw_data *ha = vha->hw; 2485 srb_t *sp; 2486 uint16_t comp_status; 2487 uint16_t scsi_status; 2488 uint16_t thread_id; 2489 uint32_t rval = EXT_STATUS_OK; 2490 struct bsg_job *bsg_job = NULL; 2491 struct fc_bsg_request *bsg_request; 2492 struct fc_bsg_reply *bsg_reply; 2493 sts_entry_t *sts = pkt; 2494 struct sts_entry_24xx *sts24 = pkt; 2495 2496 /* Validate handle. */ 2497 if (index >= req->num_outstanding_cmds) { 2498 ql_log(ql_log_warn, vha, 0x70af, 2499 "Invalid SCSI completion handle 0x%x.\n", index); 2500 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2501 return; 2502 } 2503 2504 sp = req->outstanding_cmds[index]; 2505 if (!sp) { 2506 ql_log(ql_log_warn, vha, 0x70b0, 2507 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2508 req->id, index); 2509 2510 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2511 return; 2512 } 2513 2514 /* Free outstanding command slot. */ 2515 req->outstanding_cmds[index] = NULL; 2516 bsg_job = sp->u.bsg_job; 2517 bsg_request = bsg_job->request; 2518 bsg_reply = bsg_job->reply; 2519 2520 if (IS_FWI2_CAPABLE(ha)) { 2521 comp_status = le16_to_cpu(sts24->comp_status); 2522 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2523 } else { 2524 comp_status = le16_to_cpu(sts->comp_status); 2525 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2526 } 2527 2528 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2529 switch (comp_status) { 2530 case CS_COMPLETE: 2531 if (scsi_status == 0) { 2532 bsg_reply->reply_payload_rcv_len = 2533 bsg_job->reply_payload.payload_len; 2534 vha->qla_stats.input_bytes += 2535 bsg_reply->reply_payload_rcv_len; 2536 vha->qla_stats.input_requests++; 2537 rval = EXT_STATUS_OK; 2538 } 2539 goto done; 2540 2541 case CS_DATA_OVERRUN: 2542 ql_dbg(ql_dbg_user, vha, 0x70b1, 2543 "Command completed with data overrun thread_id=%d\n", 2544 thread_id); 2545 rval = EXT_STATUS_DATA_OVERRUN; 2546 break; 2547 2548 case CS_DATA_UNDERRUN: 2549 ql_dbg(ql_dbg_user, vha, 0x70b2, 2550 "Command completed with data underrun thread_id=%d\n", 2551 thread_id); 2552 rval = EXT_STATUS_DATA_UNDERRUN; 2553 break; 2554 case CS_BIDIR_RD_OVERRUN: 2555 ql_dbg(ql_dbg_user, vha, 0x70b3, 2556 "Command completed with read data overrun thread_id=%d\n", 2557 thread_id); 2558 rval = EXT_STATUS_DATA_OVERRUN; 2559 break; 2560 2561 case CS_BIDIR_RD_WR_OVERRUN: 2562 ql_dbg(ql_dbg_user, vha, 0x70b4, 2563 "Command completed with read and write data overrun " 2564 "thread_id=%d\n", thread_id); 2565 rval = EXT_STATUS_DATA_OVERRUN; 2566 break; 2567 2568 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2569 ql_dbg(ql_dbg_user, vha, 0x70b5, 2570 "Command completed with read data over and write data " 2571 "underrun thread_id=%d\n", thread_id); 2572 rval = EXT_STATUS_DATA_OVERRUN; 2573 break; 2574 2575 case CS_BIDIR_RD_UNDERRUN: 2576 ql_dbg(ql_dbg_user, vha, 0x70b6, 2577 "Command completed with read data underrun " 2578 "thread_id=%d\n", thread_id); 2579 rval = EXT_STATUS_DATA_UNDERRUN; 2580 break; 2581 2582 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2583 ql_dbg(ql_dbg_user, vha, 0x70b7, 2584 "Command completed with read data under and write data " 2585 "overrun thread_id=%d\n", thread_id); 2586 rval = EXT_STATUS_DATA_UNDERRUN; 2587 break; 2588 2589 case CS_BIDIR_RD_WR_UNDERRUN: 2590 ql_dbg(ql_dbg_user, vha, 0x70b8, 2591 "Command completed with read and write data underrun " 2592 "thread_id=%d\n", thread_id); 2593 rval = EXT_STATUS_DATA_UNDERRUN; 2594 break; 2595 2596 case CS_BIDIR_DMA: 2597 ql_dbg(ql_dbg_user, vha, 0x70b9, 2598 "Command completed with data DMA error thread_id=%d\n", 2599 thread_id); 2600 rval = EXT_STATUS_DMA_ERR; 2601 break; 2602 2603 case CS_TIMEOUT: 2604 ql_dbg(ql_dbg_user, vha, 0x70ba, 2605 "Command completed with timeout thread_id=%d\n", 2606 thread_id); 2607 rval = EXT_STATUS_TIMEOUT; 2608 break; 2609 default: 2610 ql_dbg(ql_dbg_user, vha, 0x70bb, 2611 "Command completed with completion status=0x%x " 2612 "thread_id=%d\n", comp_status, thread_id); 2613 rval = EXT_STATUS_ERR; 2614 break; 2615 } 2616 bsg_reply->reply_payload_rcv_len = 0; 2617 2618 done: 2619 /* Return the vendor specific reply to API */ 2620 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2621 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2622 /* Always return DID_OK, bsg will send the vendor specific response 2623 * in this case only */ 2624 sp->done(sp, DID_OK << 16); 2625 2626 } 2627 2628 /** 2629 * qla2x00_status_entry() - Process a Status IOCB entry. 2630 * @vha: SCSI driver HA context 2631 * @rsp: response queue 2632 * @pkt: Entry pointer 2633 */ 2634 static void 2635 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2636 { 2637 srb_t *sp; 2638 fc_port_t *fcport; 2639 struct scsi_cmnd *cp; 2640 sts_entry_t *sts = pkt; 2641 struct sts_entry_24xx *sts24 = pkt; 2642 uint16_t comp_status; 2643 uint16_t scsi_status; 2644 uint16_t ox_id; 2645 uint8_t lscsi_status; 2646 int32_t resid; 2647 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2648 fw_resid_len; 2649 uint8_t *rsp_info, *sense_data; 2650 struct qla_hw_data *ha = vha->hw; 2651 uint32_t handle; 2652 uint16_t que; 2653 struct req_que *req; 2654 int logit = 1; 2655 int res = 0; 2656 uint16_t state_flags = 0; 2657 uint16_t retry_delay = 0; 2658 2659 if (IS_FWI2_CAPABLE(ha)) { 2660 comp_status = le16_to_cpu(sts24->comp_status); 2661 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2662 state_flags = le16_to_cpu(sts24->state_flags); 2663 } else { 2664 comp_status = le16_to_cpu(sts->comp_status); 2665 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2666 } 2667 handle = (uint32_t) LSW(sts->handle); 2668 que = MSW(sts->handle); 2669 req = ha->req_q_map[que]; 2670 2671 /* Check for invalid queue pointer */ 2672 if (req == NULL || 2673 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2674 ql_dbg(ql_dbg_io, vha, 0x3059, 2675 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2676 "que=%u.\n", sts->handle, req, que); 2677 return; 2678 } 2679 2680 /* Validate handle. */ 2681 if (handle < req->num_outstanding_cmds) { 2682 sp = req->outstanding_cmds[handle]; 2683 if (!sp) { 2684 ql_dbg(ql_dbg_io, vha, 0x3075, 2685 "%s(%ld): Already returned command for status handle (0x%x).\n", 2686 __func__, vha->host_no, sts->handle); 2687 return; 2688 } 2689 } else { 2690 ql_dbg(ql_dbg_io, vha, 0x3017, 2691 "Invalid status handle, out of range (0x%x).\n", 2692 sts->handle); 2693 2694 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2695 if (IS_P3P_TYPE(ha)) 2696 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2697 else 2698 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2699 qla2xxx_wake_dpc(vha); 2700 } 2701 return; 2702 } 2703 2704 if (sp->cmd_type != TYPE_SRB) { 2705 req->outstanding_cmds[handle] = NULL; 2706 ql_dbg(ql_dbg_io, vha, 0x3015, 2707 "Unknown sp->cmd_type %x %p).\n", 2708 sp->cmd_type, sp); 2709 return; 2710 } 2711 2712 /* NVME completion. */ 2713 if (sp->type == SRB_NVME_CMD) { 2714 req->outstanding_cmds[handle] = NULL; 2715 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 2716 return; 2717 } 2718 2719 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2720 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2721 return; 2722 } 2723 2724 /* Task Management completion. */ 2725 if (sp->type == SRB_TM_CMD) { 2726 qla24xx_tm_iocb_entry(vha, req, pkt); 2727 return; 2728 } 2729 2730 /* Fast path completion. */ 2731 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2732 qla2x00_process_completed_request(vha, req, handle); 2733 2734 return; 2735 } 2736 2737 req->outstanding_cmds[handle] = NULL; 2738 cp = GET_CMD_SP(sp); 2739 if (cp == NULL) { 2740 ql_dbg(ql_dbg_io, vha, 0x3018, 2741 "Command already returned (0x%x/%p).\n", 2742 sts->handle, sp); 2743 2744 return; 2745 } 2746 2747 lscsi_status = scsi_status & STATUS_MASK; 2748 2749 fcport = sp->fcport; 2750 2751 ox_id = 0; 2752 sense_len = par_sense_len = rsp_info_len = resid_len = 2753 fw_resid_len = 0; 2754 if (IS_FWI2_CAPABLE(ha)) { 2755 if (scsi_status & SS_SENSE_LEN_VALID) 2756 sense_len = le32_to_cpu(sts24->sense_len); 2757 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2758 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2759 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2760 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2761 if (comp_status == CS_DATA_UNDERRUN) 2762 fw_resid_len = le32_to_cpu(sts24->residual_len); 2763 rsp_info = sts24->data; 2764 sense_data = sts24->data; 2765 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2766 ox_id = le16_to_cpu(sts24->ox_id); 2767 par_sense_len = sizeof(sts24->data); 2768 /* Valid values of the retry delay timer are 0x1-0xffef */ 2769 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { 2770 retry_delay = sts24->retry_delay & 0x3fff; 2771 ql_dbg(ql_dbg_io, sp->vha, 0x3033, 2772 "%s: scope=%#x retry_delay=%#x\n", __func__, 2773 sts24->retry_delay >> 14, retry_delay); 2774 } 2775 } else { 2776 if (scsi_status & SS_SENSE_LEN_VALID) 2777 sense_len = le16_to_cpu(sts->req_sense_length); 2778 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2779 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2780 resid_len = le32_to_cpu(sts->residual_length); 2781 rsp_info = sts->rsp_info; 2782 sense_data = sts->req_sense_data; 2783 par_sense_len = sizeof(sts->req_sense_data); 2784 } 2785 2786 /* Check for any FCP transport errors. */ 2787 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2788 /* Sense data lies beyond any FCP RESPONSE data. */ 2789 if (IS_FWI2_CAPABLE(ha)) { 2790 sense_data += rsp_info_len; 2791 par_sense_len -= rsp_info_len; 2792 } 2793 if (rsp_info_len > 3 && rsp_info[3]) { 2794 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2795 "FCP I/O protocol failure (0x%x/0x%x).\n", 2796 rsp_info_len, rsp_info[3]); 2797 2798 res = DID_BUS_BUSY << 16; 2799 goto out; 2800 } 2801 } 2802 2803 /* Check for overrun. */ 2804 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2805 scsi_status & SS_RESIDUAL_OVER) 2806 comp_status = CS_DATA_OVERRUN; 2807 2808 /* 2809 * Check retry_delay_timer value if we receive a busy or 2810 * queue full. 2811 */ 2812 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2813 lscsi_status == SAM_STAT_BUSY) 2814 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2815 2816 /* 2817 * Based on Host and scsi status generate status code for Linux 2818 */ 2819 switch (comp_status) { 2820 case CS_COMPLETE: 2821 case CS_QUEUE_FULL: 2822 if (scsi_status == 0) { 2823 res = DID_OK << 16; 2824 break; 2825 } 2826 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2827 resid = resid_len; 2828 scsi_set_resid(cp, resid); 2829 2830 if (!lscsi_status && 2831 ((unsigned)(scsi_bufflen(cp) - resid) < 2832 cp->underflow)) { 2833 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2834 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2835 resid, scsi_bufflen(cp)); 2836 2837 res = DID_ERROR << 16; 2838 break; 2839 } 2840 } 2841 res = DID_OK << 16 | lscsi_status; 2842 2843 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2844 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2845 "QUEUE FULL detected.\n"); 2846 break; 2847 } 2848 logit = 0; 2849 if (lscsi_status != SS_CHECK_CONDITION) 2850 break; 2851 2852 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2853 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2854 break; 2855 2856 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2857 rsp, res); 2858 break; 2859 2860 case CS_DATA_UNDERRUN: 2861 /* Use F/W calculated residual length. */ 2862 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2863 scsi_set_resid(cp, resid); 2864 if (scsi_status & SS_RESIDUAL_UNDER) { 2865 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2866 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2867 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2868 resid, scsi_bufflen(cp)); 2869 2870 res = DID_ERROR << 16 | lscsi_status; 2871 goto check_scsi_status; 2872 } 2873 2874 if (!lscsi_status && 2875 ((unsigned)(scsi_bufflen(cp) - resid) < 2876 cp->underflow)) { 2877 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2878 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2879 resid, scsi_bufflen(cp)); 2880 2881 res = DID_ERROR << 16; 2882 break; 2883 } 2884 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2885 lscsi_status != SAM_STAT_BUSY) { 2886 /* 2887 * scsi status of task set and busy are considered to be 2888 * task not completed. 2889 */ 2890 2891 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2892 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2893 resid, scsi_bufflen(cp)); 2894 2895 res = DID_ERROR << 16 | lscsi_status; 2896 goto check_scsi_status; 2897 } else { 2898 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2899 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2900 scsi_status, lscsi_status); 2901 } 2902 2903 res = DID_OK << 16 | lscsi_status; 2904 logit = 0; 2905 2906 check_scsi_status: 2907 /* 2908 * Check to see if SCSI Status is non zero. If so report SCSI 2909 * Status. 2910 */ 2911 if (lscsi_status != 0) { 2912 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2913 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2914 "QUEUE FULL detected.\n"); 2915 logit = 1; 2916 break; 2917 } 2918 if (lscsi_status != SS_CHECK_CONDITION) 2919 break; 2920 2921 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2922 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2923 break; 2924 2925 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2926 sense_len, rsp, res); 2927 } 2928 break; 2929 2930 case CS_PORT_LOGGED_OUT: 2931 case CS_PORT_CONFIG_CHG: 2932 case CS_PORT_BUSY: 2933 case CS_INCOMPLETE: 2934 case CS_PORT_UNAVAILABLE: 2935 case CS_TIMEOUT: 2936 case CS_RESET: 2937 2938 /* 2939 * We are going to have the fc class block the rport 2940 * while we try to recover so instruct the mid layer 2941 * to requeue until the class decides how to handle this. 2942 */ 2943 res = DID_TRANSPORT_DISRUPTED << 16; 2944 2945 if (comp_status == CS_TIMEOUT) { 2946 if (IS_FWI2_CAPABLE(ha)) 2947 break; 2948 else if ((le16_to_cpu(sts->status_flags) & 2949 SF_LOGOUT_SENT) == 0) 2950 break; 2951 } 2952 2953 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2954 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2955 "Port to be marked lost on fcport=%02x%02x%02x, current " 2956 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2957 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2958 port_state_str[FCS_ONLINE], 2959 comp_status); 2960 2961 qlt_schedule_sess_for_deletion(fcport); 2962 } 2963 2964 break; 2965 2966 case CS_ABORTED: 2967 res = DID_RESET << 16; 2968 break; 2969 2970 case CS_DIF_ERROR: 2971 logit = qla2x00_handle_dif_error(sp, sts24); 2972 res = cp->result; 2973 break; 2974 2975 case CS_TRANSPORT: 2976 res = DID_ERROR << 16; 2977 2978 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2979 break; 2980 2981 if (state_flags & BIT_4) 2982 scmd_printk(KERN_WARNING, cp, 2983 "Unsupported device '%s' found.\n", 2984 cp->device->vendor); 2985 break; 2986 2987 case CS_DMA: 2988 ql_log(ql_log_info, fcport->vha, 0x3022, 2989 "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", 2990 comp_status, scsi_status, res, vha->host_no, 2991 cp->device->id, cp->device->lun, fcport->d_id.b24, 2992 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2993 resid_len, fw_resid_len, sp, cp); 2994 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 2995 pkt, sizeof(*sts24)); 2996 res = DID_ERROR << 16; 2997 break; 2998 default: 2999 res = DID_ERROR << 16; 3000 break; 3001 } 3002 3003 out: 3004 if (logit) 3005 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 3006 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 3007 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 3008 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 3009 comp_status, scsi_status, res, vha->host_no, 3010 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 3011 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 3012 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 3013 resid_len, fw_resid_len, sp, cp); 3014 3015 if (rsp->status_srb == NULL) 3016 sp->done(sp, res); 3017 } 3018 3019 /** 3020 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 3021 * @rsp: response queue 3022 * @pkt: Entry pointer 3023 * 3024 * Extended sense data. 3025 */ 3026 static void 3027 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 3028 { 3029 uint8_t sense_sz = 0; 3030 struct qla_hw_data *ha = rsp->hw; 3031 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 3032 srb_t *sp = rsp->status_srb; 3033 struct scsi_cmnd *cp; 3034 uint32_t sense_len; 3035 uint8_t *sense_ptr; 3036 3037 if (!sp || !GET_CMD_SENSE_LEN(sp)) 3038 return; 3039 3040 sense_len = GET_CMD_SENSE_LEN(sp); 3041 sense_ptr = GET_CMD_SENSE_PTR(sp); 3042 3043 cp = GET_CMD_SP(sp); 3044 if (cp == NULL) { 3045 ql_log(ql_log_warn, vha, 0x3025, 3046 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 3047 3048 rsp->status_srb = NULL; 3049 return; 3050 } 3051 3052 if (sense_len > sizeof(pkt->data)) 3053 sense_sz = sizeof(pkt->data); 3054 else 3055 sense_sz = sense_len; 3056 3057 /* Move sense data. */ 3058 if (IS_FWI2_CAPABLE(ha)) 3059 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 3060 memcpy(sense_ptr, pkt->data, sense_sz); 3061 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 3062 sense_ptr, sense_sz); 3063 3064 sense_len -= sense_sz; 3065 sense_ptr += sense_sz; 3066 3067 SET_CMD_SENSE_PTR(sp, sense_ptr); 3068 SET_CMD_SENSE_LEN(sp, sense_len); 3069 3070 /* Place command on done queue. */ 3071 if (sense_len == 0) { 3072 rsp->status_srb = NULL; 3073 sp->done(sp, cp->result); 3074 } 3075 } 3076 3077 /** 3078 * qla2x00_error_entry() - Process an error entry. 3079 * @vha: SCSI driver HA context 3080 * @rsp: response queue 3081 * @pkt: Entry pointer 3082 * return : 1=allow further error analysis. 0=no additional error analysis. 3083 */ 3084 static int 3085 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 3086 { 3087 srb_t *sp; 3088 struct qla_hw_data *ha = vha->hw; 3089 const char func[] = "ERROR-IOCB"; 3090 uint16_t que = MSW(pkt->handle); 3091 struct req_que *req = NULL; 3092 int res = DID_ERROR << 16; 3093 3094 ql_dbg(ql_dbg_async, vha, 0x502a, 3095 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 3096 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 3097 3098 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 3099 goto fatal; 3100 3101 req = ha->req_q_map[que]; 3102 3103 if (pkt->entry_status & RF_BUSY) 3104 res = DID_BUS_BUSY << 16; 3105 3106 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 3107 return 0; 3108 3109 switch (pkt->entry_type) { 3110 case NOTIFY_ACK_TYPE: 3111 case STATUS_TYPE: 3112 case STATUS_CONT_TYPE: 3113 case LOGINOUT_PORT_IOCB_TYPE: 3114 case CT_IOCB_TYPE: 3115 case ELS_IOCB_TYPE: 3116 case ABORT_IOCB_TYPE: 3117 case MBX_IOCB_TYPE: 3118 default: 3119 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3120 if (sp) { 3121 sp->done(sp, res); 3122 return 0; 3123 } 3124 break; 3125 3126 case ABTS_RESP_24XX: 3127 case CTIO_TYPE7: 3128 case CTIO_CRC2: 3129 return 1; 3130 } 3131 fatal: 3132 ql_log(ql_log_warn, vha, 0x5030, 3133 "Error entry - invalid handle/queue (%04x).\n", que); 3134 return 0; 3135 } 3136 3137 /** 3138 * qla24xx_mbx_completion() - Process mailbox command completions. 3139 * @vha: SCSI driver HA context 3140 * @mb0: Mailbox0 register 3141 */ 3142 static void 3143 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 3144 { 3145 uint16_t cnt; 3146 uint32_t mboxes; 3147 uint16_t __iomem *wptr; 3148 struct qla_hw_data *ha = vha->hw; 3149 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3150 3151 /* Read all mbox registers? */ 3152 WARN_ON_ONCE(ha->mbx_count > 32); 3153 mboxes = (1ULL << ha->mbx_count) - 1; 3154 if (!ha->mcp) 3155 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 3156 else 3157 mboxes = ha->mcp->in_mb; 3158 3159 /* Load return mailbox registers. */ 3160 ha->flags.mbox_int = 1; 3161 ha->mailbox_out[0] = mb0; 3162 mboxes >>= 1; 3163 wptr = (uint16_t __iomem *)®->mailbox1; 3164 3165 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 3166 if (mboxes & BIT_0) 3167 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 3168 3169 mboxes >>= 1; 3170 wptr++; 3171 } 3172 } 3173 3174 static void 3175 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 3176 struct abort_entry_24xx *pkt) 3177 { 3178 const char func[] = "ABT_IOCB"; 3179 srb_t *sp; 3180 struct srb_iocb *abt; 3181 3182 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3183 if (!sp) 3184 return; 3185 3186 abt = &sp->u.iocb_cmd; 3187 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 3188 sp->done(sp, 0); 3189 } 3190 3191 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 3192 struct pt_ls4_request *pkt, struct req_que *req) 3193 { 3194 srb_t *sp; 3195 const char func[] = "LS4_IOCB"; 3196 uint16_t comp_status; 3197 3198 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3199 if (!sp) 3200 return; 3201 3202 comp_status = le16_to_cpu(pkt->status); 3203 sp->done(sp, comp_status); 3204 } 3205 3206 /** 3207 * qla24xx_process_response_queue() - Process response queue entries. 3208 * @vha: SCSI driver HA context 3209 * @rsp: response queue 3210 */ 3211 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 3212 struct rsp_que *rsp) 3213 { 3214 struct sts_entry_24xx *pkt; 3215 struct qla_hw_data *ha = vha->hw; 3216 3217 if (!ha->flags.fw_started) 3218 return; 3219 3220 if (rsp->qpair->cpuid != smp_processor_id()) 3221 qla_cpu_update(rsp->qpair, smp_processor_id()); 3222 3223 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 3224 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 3225 3226 rsp->ring_index++; 3227 if (rsp->ring_index == rsp->length) { 3228 rsp->ring_index = 0; 3229 rsp->ring_ptr = rsp->ring; 3230 } else { 3231 rsp->ring_ptr++; 3232 } 3233 3234 if (pkt->entry_status != 0) { 3235 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 3236 goto process_err; 3237 3238 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3239 wmb(); 3240 continue; 3241 } 3242 process_err: 3243 3244 switch (pkt->entry_type) { 3245 case STATUS_TYPE: 3246 qla2x00_status_entry(vha, rsp, pkt); 3247 break; 3248 case STATUS_CONT_TYPE: 3249 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 3250 break; 3251 case VP_RPT_ID_IOCB_TYPE: 3252 qla24xx_report_id_acquisition(vha, 3253 (struct vp_rpt_id_entry_24xx *)pkt); 3254 break; 3255 case LOGINOUT_PORT_IOCB_TYPE: 3256 qla24xx_logio_entry(vha, rsp->req, 3257 (struct logio_entry_24xx *)pkt); 3258 break; 3259 case CT_IOCB_TYPE: 3260 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 3261 break; 3262 case ELS_IOCB_TYPE: 3263 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 3264 break; 3265 case ABTS_RECV_24XX: 3266 if (qla_ini_mode_enabled(vha)) { 3267 qla24xx_purex_iocb(vha, pkt, 3268 qla24xx_process_abts); 3269 break; 3270 } 3271 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || 3272 IS_QLA28XX(ha)) { 3273 /* ensure that the ATIO queue is empty */ 3274 qlt_handle_abts_recv(vha, rsp, 3275 (response_t *)pkt); 3276 break; 3277 } else { 3278 qlt_24xx_process_atio_queue(vha, 1); 3279 } 3280 /* fall through */ 3281 case ABTS_RESP_24XX: 3282 case CTIO_TYPE7: 3283 case CTIO_CRC2: 3284 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3285 break; 3286 case PT_LS4_REQUEST: 3287 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3288 rsp->req); 3289 break; 3290 case NOTIFY_ACK_TYPE: 3291 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3292 qlt_response_pkt_all_vps(vha, rsp, 3293 (response_t *)pkt); 3294 else 3295 qla24xxx_nack_iocb_entry(vha, rsp->req, 3296 (struct nack_to_isp *)pkt); 3297 break; 3298 case MARKER_TYPE: 3299 /* Do nothing in this case, this check is to prevent it 3300 * from falling into default case 3301 */ 3302 break; 3303 case ABORT_IOCB_TYPE: 3304 qla24xx_abort_iocb_entry(vha, rsp->req, 3305 (struct abort_entry_24xx *)pkt); 3306 break; 3307 case MBX_IOCB_TYPE: 3308 qla24xx_mbx_iocb_entry(vha, rsp->req, 3309 (struct mbx_24xx_entry *)pkt); 3310 break; 3311 case VP_CTRL_IOCB_TYPE: 3312 qla_ctrlvp_completed(vha, rsp->req, 3313 (struct vp_ctrl_entry_24xx *)pkt); 3314 break; 3315 case PUREX_IOCB_TYPE: 3316 { 3317 struct purex_entry_24xx *purex = (void *)pkt; 3318 3319 if (purex->els_frame_payload[3] != ELS_COMMAND_RDP) { 3320 ql_dbg(ql_dbg_init, vha, 0x5091, 3321 "Discarding ELS Request opcode %#x...\n", 3322 purex->els_frame_payload[3]); 3323 break; 3324 } 3325 qla24xx_purex_iocb(vha, pkt, qla24xx_process_purex_rdp); 3326 break; 3327 } 3328 default: 3329 /* Type Not Supported. */ 3330 ql_dbg(ql_dbg_async, vha, 0x5042, 3331 "Received unknown response pkt type %x " 3332 "entry status=%x.\n", 3333 pkt->entry_type, pkt->entry_status); 3334 break; 3335 } 3336 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3337 wmb(); 3338 } 3339 3340 /* Adjust ring index */ 3341 if (IS_P3P_TYPE(ha)) { 3342 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3343 3344 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 3345 } else { 3346 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 3347 } 3348 } 3349 3350 static void 3351 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3352 { 3353 int rval; 3354 uint32_t cnt; 3355 struct qla_hw_data *ha = vha->hw; 3356 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3357 3358 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3359 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3360 return; 3361 3362 rval = QLA_SUCCESS; 3363 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 3364 RD_REG_DWORD(®->iobase_addr); 3365 WRT_REG_DWORD(®->iobase_window, 0x0001); 3366 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3367 rval == QLA_SUCCESS; cnt--) { 3368 if (cnt) { 3369 WRT_REG_DWORD(®->iobase_window, 0x0001); 3370 udelay(10); 3371 } else 3372 rval = QLA_FUNCTION_TIMEOUT; 3373 } 3374 if (rval == QLA_SUCCESS) 3375 goto next_test; 3376 3377 rval = QLA_SUCCESS; 3378 WRT_REG_DWORD(®->iobase_window, 0x0003); 3379 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3380 rval == QLA_SUCCESS; cnt--) { 3381 if (cnt) { 3382 WRT_REG_DWORD(®->iobase_window, 0x0003); 3383 udelay(10); 3384 } else 3385 rval = QLA_FUNCTION_TIMEOUT; 3386 } 3387 if (rval != QLA_SUCCESS) 3388 goto done; 3389 3390 next_test: 3391 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3392 ql_log(ql_log_info, vha, 0x504c, 3393 "Additional code -- 0x55AA.\n"); 3394 3395 done: 3396 WRT_REG_DWORD(®->iobase_window, 0x0000); 3397 RD_REG_DWORD(®->iobase_window); 3398 } 3399 3400 /** 3401 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3402 * @irq: interrupt number 3403 * @dev_id: SCSI driver HA context 3404 * 3405 * Called by system whenever the host adapter generates an interrupt. 3406 * 3407 * Returns handled flag. 3408 */ 3409 irqreturn_t 3410 qla24xx_intr_handler(int irq, void *dev_id) 3411 { 3412 scsi_qla_host_t *vha; 3413 struct qla_hw_data *ha; 3414 struct device_reg_24xx __iomem *reg; 3415 int status; 3416 unsigned long iter; 3417 uint32_t stat; 3418 uint32_t hccr; 3419 uint16_t mb[8]; 3420 struct rsp_que *rsp; 3421 unsigned long flags; 3422 bool process_atio = false; 3423 3424 rsp = (struct rsp_que *) dev_id; 3425 if (!rsp) { 3426 ql_log(ql_log_info, NULL, 0x5059, 3427 "%s: NULL response queue pointer.\n", __func__); 3428 return IRQ_NONE; 3429 } 3430 3431 ha = rsp->hw; 3432 reg = &ha->iobase->isp24; 3433 status = 0; 3434 3435 if (unlikely(pci_channel_offline(ha->pdev))) 3436 return IRQ_HANDLED; 3437 3438 spin_lock_irqsave(&ha->hardware_lock, flags); 3439 vha = pci_get_drvdata(ha->pdev); 3440 for (iter = 50; iter--; ) { 3441 stat = RD_REG_DWORD(®->host_status); 3442 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3443 break; 3444 if (stat & HSRX_RISC_PAUSED) { 3445 if (unlikely(pci_channel_offline(ha->pdev))) 3446 break; 3447 3448 hccr = RD_REG_DWORD(®->hccr); 3449 3450 ql_log(ql_log_warn, vha, 0x504b, 3451 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3452 hccr); 3453 3454 qla2xxx_check_risc_status(vha); 3455 3456 ha->isp_ops->fw_dump(vha, 1); 3457 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3458 break; 3459 } else if ((stat & HSRX_RISC_INT) == 0) 3460 break; 3461 3462 switch (stat & 0xff) { 3463 case INTR_ROM_MB_SUCCESS: 3464 case INTR_ROM_MB_FAILED: 3465 case INTR_MB_SUCCESS: 3466 case INTR_MB_FAILED: 3467 qla24xx_mbx_completion(vha, MSW(stat)); 3468 status |= MBX_INTERRUPT; 3469 3470 break; 3471 case INTR_ASYNC_EVENT: 3472 mb[0] = MSW(stat); 3473 mb[1] = RD_REG_WORD(®->mailbox1); 3474 mb[2] = RD_REG_WORD(®->mailbox2); 3475 mb[3] = RD_REG_WORD(®->mailbox3); 3476 qla2x00_async_event(vha, rsp, mb); 3477 break; 3478 case INTR_RSP_QUE_UPDATE: 3479 case INTR_RSP_QUE_UPDATE_83XX: 3480 qla24xx_process_response_queue(vha, rsp); 3481 break; 3482 case INTR_ATIO_QUE_UPDATE_27XX: 3483 case INTR_ATIO_QUE_UPDATE: 3484 process_atio = true; 3485 break; 3486 case INTR_ATIO_RSP_QUE_UPDATE: 3487 process_atio = true; 3488 qla24xx_process_response_queue(vha, rsp); 3489 break; 3490 default: 3491 ql_dbg(ql_dbg_async, vha, 0x504f, 3492 "Unrecognized interrupt type (%d).\n", stat * 0xff); 3493 break; 3494 } 3495 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3496 RD_REG_DWORD_RELAXED(®->hccr); 3497 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 3498 ndelay(3500); 3499 } 3500 qla2x00_handle_mbx_completion(ha, status); 3501 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3502 3503 if (process_atio) { 3504 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3505 qlt_24xx_process_atio_queue(vha, 0); 3506 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3507 } 3508 3509 return IRQ_HANDLED; 3510 } 3511 3512 static irqreturn_t 3513 qla24xx_msix_rsp_q(int irq, void *dev_id) 3514 { 3515 struct qla_hw_data *ha; 3516 struct rsp_que *rsp; 3517 struct device_reg_24xx __iomem *reg; 3518 struct scsi_qla_host *vha; 3519 unsigned long flags; 3520 3521 rsp = (struct rsp_que *) dev_id; 3522 if (!rsp) { 3523 ql_log(ql_log_info, NULL, 0x505a, 3524 "%s: NULL response queue pointer.\n", __func__); 3525 return IRQ_NONE; 3526 } 3527 ha = rsp->hw; 3528 reg = &ha->iobase->isp24; 3529 3530 spin_lock_irqsave(&ha->hardware_lock, flags); 3531 3532 vha = pci_get_drvdata(ha->pdev); 3533 qla24xx_process_response_queue(vha, rsp); 3534 if (!ha->flags.disable_msix_handshake) { 3535 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3536 RD_REG_DWORD_RELAXED(®->hccr); 3537 } 3538 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3539 3540 return IRQ_HANDLED; 3541 } 3542 3543 static irqreturn_t 3544 qla24xx_msix_default(int irq, void *dev_id) 3545 { 3546 scsi_qla_host_t *vha; 3547 struct qla_hw_data *ha; 3548 struct rsp_que *rsp; 3549 struct device_reg_24xx __iomem *reg; 3550 int status; 3551 uint32_t stat; 3552 uint32_t hccr; 3553 uint16_t mb[8]; 3554 unsigned long flags; 3555 bool process_atio = false; 3556 3557 rsp = (struct rsp_que *) dev_id; 3558 if (!rsp) { 3559 ql_log(ql_log_info, NULL, 0x505c, 3560 "%s: NULL response queue pointer.\n", __func__); 3561 return IRQ_NONE; 3562 } 3563 ha = rsp->hw; 3564 reg = &ha->iobase->isp24; 3565 status = 0; 3566 3567 spin_lock_irqsave(&ha->hardware_lock, flags); 3568 vha = pci_get_drvdata(ha->pdev); 3569 do { 3570 stat = RD_REG_DWORD(®->host_status); 3571 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3572 break; 3573 if (stat & HSRX_RISC_PAUSED) { 3574 if (unlikely(pci_channel_offline(ha->pdev))) 3575 break; 3576 3577 hccr = RD_REG_DWORD(®->hccr); 3578 3579 ql_log(ql_log_info, vha, 0x5050, 3580 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3581 hccr); 3582 3583 qla2xxx_check_risc_status(vha); 3584 3585 ha->isp_ops->fw_dump(vha, 1); 3586 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3587 break; 3588 } else if ((stat & HSRX_RISC_INT) == 0) 3589 break; 3590 3591 switch (stat & 0xff) { 3592 case INTR_ROM_MB_SUCCESS: 3593 case INTR_ROM_MB_FAILED: 3594 case INTR_MB_SUCCESS: 3595 case INTR_MB_FAILED: 3596 qla24xx_mbx_completion(vha, MSW(stat)); 3597 status |= MBX_INTERRUPT; 3598 3599 break; 3600 case INTR_ASYNC_EVENT: 3601 mb[0] = MSW(stat); 3602 mb[1] = RD_REG_WORD(®->mailbox1); 3603 mb[2] = RD_REG_WORD(®->mailbox2); 3604 mb[3] = RD_REG_WORD(®->mailbox3); 3605 qla2x00_async_event(vha, rsp, mb); 3606 break; 3607 case INTR_RSP_QUE_UPDATE: 3608 case INTR_RSP_QUE_UPDATE_83XX: 3609 qla24xx_process_response_queue(vha, rsp); 3610 break; 3611 case INTR_ATIO_QUE_UPDATE_27XX: 3612 case INTR_ATIO_QUE_UPDATE: 3613 process_atio = true; 3614 break; 3615 case INTR_ATIO_RSP_QUE_UPDATE: 3616 process_atio = true; 3617 qla24xx_process_response_queue(vha, rsp); 3618 break; 3619 default: 3620 ql_dbg(ql_dbg_async, vha, 0x5051, 3621 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3622 break; 3623 } 3624 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3625 } while (0); 3626 qla2x00_handle_mbx_completion(ha, status); 3627 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3628 3629 if (process_atio) { 3630 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3631 qlt_24xx_process_atio_queue(vha, 0); 3632 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3633 } 3634 3635 return IRQ_HANDLED; 3636 } 3637 3638 irqreturn_t 3639 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3640 { 3641 struct qla_hw_data *ha; 3642 struct qla_qpair *qpair; 3643 3644 qpair = dev_id; 3645 if (!qpair) { 3646 ql_log(ql_log_info, NULL, 0x505b, 3647 "%s: NULL response queue pointer.\n", __func__); 3648 return IRQ_NONE; 3649 } 3650 ha = qpair->hw; 3651 3652 queue_work(ha->wq, &qpair->q_work); 3653 3654 return IRQ_HANDLED; 3655 } 3656 3657 irqreturn_t 3658 qla2xxx_msix_rsp_q_hs(int irq, void *dev_id) 3659 { 3660 struct qla_hw_data *ha; 3661 struct qla_qpair *qpair; 3662 struct device_reg_24xx __iomem *reg; 3663 unsigned long flags; 3664 3665 qpair = dev_id; 3666 if (!qpair) { 3667 ql_log(ql_log_info, NULL, 0x505b, 3668 "%s: NULL response queue pointer.\n", __func__); 3669 return IRQ_NONE; 3670 } 3671 ha = qpair->hw; 3672 3673 reg = &ha->iobase->isp24; 3674 spin_lock_irqsave(&ha->hardware_lock, flags); 3675 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3676 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3677 3678 queue_work(ha->wq, &qpair->q_work); 3679 3680 return IRQ_HANDLED; 3681 } 3682 3683 /* Interrupt handling helpers. */ 3684 3685 struct qla_init_msix_entry { 3686 const char *name; 3687 irq_handler_t handler; 3688 }; 3689 3690 static const struct qla_init_msix_entry msix_entries[] = { 3691 { "default", qla24xx_msix_default }, 3692 { "rsp_q", qla24xx_msix_rsp_q }, 3693 { "atio_q", qla83xx_msix_atio_q }, 3694 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3695 { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs }, 3696 }; 3697 3698 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3699 { "qla2xxx (default)", qla82xx_msix_default }, 3700 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3701 }; 3702 3703 static int 3704 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3705 { 3706 int i, ret; 3707 struct qla_msix_entry *qentry; 3708 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3709 int min_vecs = QLA_BASE_VECTORS; 3710 struct irq_affinity desc = { 3711 .pre_vectors = QLA_BASE_VECTORS, 3712 }; 3713 3714 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3715 IS_ATIO_MSIX_CAPABLE(ha)) { 3716 desc.pre_vectors++; 3717 min_vecs++; 3718 } 3719 3720 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 3721 /* user wants to control IRQ setting for target mode */ 3722 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3723 ha->msix_count, PCI_IRQ_MSIX); 3724 } else 3725 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3726 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3727 &desc); 3728 3729 if (ret < 0) { 3730 ql_log(ql_log_fatal, vha, 0x00c7, 3731 "MSI-X: Failed to enable support, " 3732 "giving up -- %d/%d.\n", 3733 ha->msix_count, ret); 3734 goto msix_out; 3735 } else if (ret < ha->msix_count) { 3736 ql_log(ql_log_info, vha, 0x00c6, 3737 "MSI-X: Using %d vectors\n", ret); 3738 ha->msix_count = ret; 3739 /* Recalculate queue values */ 3740 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 3741 ha->max_req_queues = ha->msix_count - 1; 3742 3743 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3744 if (QLA_TGT_MODE_ENABLED()) 3745 ha->max_req_queues--; 3746 3747 ha->max_rsp_queues = ha->max_req_queues; 3748 3749 ha->max_qpairs = ha->max_req_queues - 1; 3750 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3751 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3752 } 3753 } 3754 vha->irq_offset = desc.pre_vectors; 3755 ha->msix_entries = kcalloc(ha->msix_count, 3756 sizeof(struct qla_msix_entry), 3757 GFP_KERNEL); 3758 if (!ha->msix_entries) { 3759 ql_log(ql_log_fatal, vha, 0x00c8, 3760 "Failed to allocate memory for ha->msix_entries.\n"); 3761 ret = -ENOMEM; 3762 goto free_irqs; 3763 } 3764 ha->flags.msix_enabled = 1; 3765 3766 for (i = 0; i < ha->msix_count; i++) { 3767 qentry = &ha->msix_entries[i]; 3768 qentry->vector = pci_irq_vector(ha->pdev, i); 3769 qentry->entry = i; 3770 qentry->have_irq = 0; 3771 qentry->in_use = 0; 3772 qentry->handle = NULL; 3773 } 3774 3775 /* Enable MSI-X vectors for the base queue */ 3776 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3777 qentry = &ha->msix_entries[i]; 3778 qentry->handle = rsp; 3779 rsp->msix = qentry; 3780 scnprintf(qentry->name, sizeof(qentry->name), 3781 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3782 if (IS_P3P_TYPE(ha)) 3783 ret = request_irq(qentry->vector, 3784 qla82xx_msix_entries[i].handler, 3785 0, qla82xx_msix_entries[i].name, rsp); 3786 else 3787 ret = request_irq(qentry->vector, 3788 msix_entries[i].handler, 3789 0, qentry->name, rsp); 3790 if (ret) 3791 goto msix_register_fail; 3792 qentry->have_irq = 1; 3793 qentry->in_use = 1; 3794 } 3795 3796 /* 3797 * If target mode is enable, also request the vector for the ATIO 3798 * queue. 3799 */ 3800 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3801 IS_ATIO_MSIX_CAPABLE(ha)) { 3802 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3803 rsp->msix = qentry; 3804 qentry->handle = rsp; 3805 scnprintf(qentry->name, sizeof(qentry->name), 3806 "qla2xxx%lu_%s", vha->host_no, 3807 msix_entries[QLA_ATIO_VECTOR].name); 3808 qentry->in_use = 1; 3809 ret = request_irq(qentry->vector, 3810 msix_entries[QLA_ATIO_VECTOR].handler, 3811 0, qentry->name, rsp); 3812 qentry->have_irq = 1; 3813 } 3814 3815 msix_register_fail: 3816 if (ret) { 3817 ql_log(ql_log_fatal, vha, 0x00cb, 3818 "MSI-X: unable to register handler -- %x/%d.\n", 3819 qentry->vector, ret); 3820 qla2x00_free_irqs(vha); 3821 ha->mqenable = 0; 3822 goto msix_out; 3823 } 3824 3825 /* Enable MSI-X vector for response queue update for queue 0 */ 3826 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 3827 if (ha->msixbase && ha->mqiobase && 3828 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3829 ql2xmqsupport)) 3830 ha->mqenable = 1; 3831 } else 3832 if (ha->mqiobase && 3833 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3834 ql2xmqsupport)) 3835 ha->mqenable = 1; 3836 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3837 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3838 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3839 ql_dbg(ql_dbg_init, vha, 0x0055, 3840 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3841 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3842 3843 msix_out: 3844 return ret; 3845 3846 free_irqs: 3847 pci_free_irq_vectors(ha->pdev); 3848 goto msix_out; 3849 } 3850 3851 int 3852 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3853 { 3854 int ret = QLA_FUNCTION_FAILED; 3855 device_reg_t *reg = ha->iobase; 3856 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3857 3858 /* If possible, enable MSI-X. */ 3859 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 3860 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 3861 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) 3862 goto skip_msi; 3863 3864 if (ql2xenablemsix == 2) 3865 goto skip_msix; 3866 3867 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3868 (ha->pdev->subsystem_device == 0x7040 || 3869 ha->pdev->subsystem_device == 0x7041 || 3870 ha->pdev->subsystem_device == 0x1705)) { 3871 ql_log(ql_log_warn, vha, 0x0034, 3872 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3873 ha->pdev->subsystem_vendor, 3874 ha->pdev->subsystem_device); 3875 goto skip_msi; 3876 } 3877 3878 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3879 ql_log(ql_log_warn, vha, 0x0035, 3880 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3881 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3882 goto skip_msix; 3883 } 3884 3885 ret = qla24xx_enable_msix(ha, rsp); 3886 if (!ret) { 3887 ql_dbg(ql_dbg_init, vha, 0x0036, 3888 "MSI-X: Enabled (0x%X, 0x%X).\n", 3889 ha->chip_revision, ha->fw_attributes); 3890 goto clear_risc_ints; 3891 } 3892 3893 skip_msix: 3894 3895 ql_log(ql_log_info, vha, 0x0037, 3896 "Falling back-to MSI mode -- ret=%d.\n", ret); 3897 3898 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3899 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3900 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3901 goto skip_msi; 3902 3903 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3904 if (ret > 0) { 3905 ql_dbg(ql_dbg_init, vha, 0x0038, 3906 "MSI: Enabled.\n"); 3907 ha->flags.msi_enabled = 1; 3908 } else 3909 ql_log(ql_log_warn, vha, 0x0039, 3910 "Falling back-to INTa mode -- ret=%d.\n", ret); 3911 skip_msi: 3912 3913 /* Skip INTx on ISP82xx. */ 3914 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3915 return QLA_FUNCTION_FAILED; 3916 3917 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3918 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3919 QLA2XXX_DRIVER_NAME, rsp); 3920 if (ret) { 3921 ql_log(ql_log_warn, vha, 0x003a, 3922 "Failed to reserve interrupt %d already in use.\n", 3923 ha->pdev->irq); 3924 goto fail; 3925 } else if (!ha->flags.msi_enabled) { 3926 ql_dbg(ql_dbg_init, vha, 0x0125, 3927 "INTa mode: Enabled.\n"); 3928 ha->flags.mr_intr_valid = 1; 3929 } 3930 3931 clear_risc_ints: 3932 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3933 goto fail; 3934 3935 spin_lock_irq(&ha->hardware_lock); 3936 WRT_REG_WORD(®->isp.semaphore, 0); 3937 spin_unlock_irq(&ha->hardware_lock); 3938 3939 fail: 3940 return ret; 3941 } 3942 3943 void 3944 qla2x00_free_irqs(scsi_qla_host_t *vha) 3945 { 3946 struct qla_hw_data *ha = vha->hw; 3947 struct rsp_que *rsp; 3948 struct qla_msix_entry *qentry; 3949 int i; 3950 3951 /* 3952 * We need to check that ha->rsp_q_map is valid in case we are called 3953 * from a probe failure context. 3954 */ 3955 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3956 goto free_irqs; 3957 rsp = ha->rsp_q_map[0]; 3958 3959 if (ha->flags.msix_enabled) { 3960 for (i = 0; i < ha->msix_count; i++) { 3961 qentry = &ha->msix_entries[i]; 3962 if (qentry->have_irq) { 3963 irq_set_affinity_notifier(qentry->vector, NULL); 3964 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3965 } 3966 } 3967 kfree(ha->msix_entries); 3968 ha->msix_entries = NULL; 3969 ha->flags.msix_enabled = 0; 3970 ql_dbg(ql_dbg_init, vha, 0x0042, 3971 "Disabled MSI-X.\n"); 3972 } else { 3973 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3974 } 3975 3976 free_irqs: 3977 pci_free_irq_vectors(ha->pdev); 3978 } 3979 3980 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3981 struct qla_msix_entry *msix, int vector_type) 3982 { 3983 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3984 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3985 int ret; 3986 3987 scnprintf(msix->name, sizeof(msix->name), 3988 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3989 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3990 if (ret) { 3991 ql_log(ql_log_fatal, vha, 0x00e6, 3992 "MSI-X: Unable to register handler -- %x/%d.\n", 3993 msix->vector, ret); 3994 return ret; 3995 } 3996 msix->have_irq = 1; 3997 msix->handle = qpair; 3998 return ret; 3999 } 4000