1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic Fibre Channel HBA Driver 4 * Copyright (c) 2003-2014 QLogic Corporation 5 */ 6 #include "qla_def.h" 7 #include "qla_target.h" 8 #include "qla_gbl.h" 9 10 #include <linux/delay.h> 11 #include <linux/slab.h> 12 #include <linux/cpu.h> 13 #include <linux/t10-pi.h> 14 #include <scsi/scsi_tcq.h> 15 #include <scsi/scsi_bsg_fc.h> 16 #include <scsi/scsi_eh.h> 17 #include <scsi/fc/fc_fs.h> 18 #include <linux/nvme-fc-driver.h> 19 20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 24 sts_entry_t *); 25 static void qla27xx_process_purex_fpin(struct scsi_qla_host *vha, 26 struct purex_item *item); 27 static struct purex_item *qla24xx_alloc_purex_item(scsi_qla_host_t *vha, 28 uint16_t size); 29 static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, 30 void *pkt); 31 static struct purex_item *qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, 32 void **pkt, struct rsp_que **rsp); 33 34 static void qla27xx_process_purex_fpin(struct scsi_qla_host * vha,struct purex_item * item)35 qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item) 36 { 37 void *pkt = &item->iocb; 38 uint16_t pkt_size = item->size; 39 40 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508d, 41 "%s: Enter\n", __func__); 42 43 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508e, 44 "-------- ELS REQ -------\n"); 45 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x508f, 46 pkt, pkt_size); 47 48 fc_host_fpin_rcv(vha->host, pkt_size, (char *)pkt, 0); 49 } 50 51 const char *const port_state_str[] = { 52 [FCS_UNKNOWN] = "Unknown", 53 [FCS_UNCONFIGURED] = "UNCONFIGURED", 54 [FCS_DEVICE_DEAD] = "DEAD", 55 [FCS_DEVICE_LOST] = "LOST", 56 [FCS_ONLINE] = "ONLINE" 57 }; 58 59 #define SFP_DISABLE_LASER_INITIATED 0x15 /* Sub code of 8070 AEN */ 60 #define SFP_ENABLE_LASER_INITIATED 0x16 /* Sub code of 8070 AEN */ 61 display_Laser_info(scsi_qla_host_t * vha,u16 mb1,u16 mb2,u16 mb3)62 static inline void display_Laser_info(scsi_qla_host_t *vha, 63 u16 mb1, u16 mb2, u16 mb3) { 64 65 if (mb1 == SFP_DISABLE_LASER_INITIATED) 66 ql_log(ql_log_warn, vha, 0xf0a2, 67 "SFP temperature (%d C) reached/exceeded the threshold (%d C). Laser is disabled.\n", 68 mb3, mb2); 69 if (mb1 == SFP_ENABLE_LASER_INITIATED) 70 ql_log(ql_log_warn, vha, 0xf0a3, 71 "SFP temperature (%d C) reached normal operating level. Laser is enabled.\n", 72 mb3); 73 } 74 75 static void qla24xx_process_abts(struct scsi_qla_host * vha,struct purex_item * pkt)76 qla24xx_process_abts(struct scsi_qla_host *vha, struct purex_item *pkt) 77 { 78 struct abts_entry_24xx *abts = 79 (struct abts_entry_24xx *)&pkt->iocb; 80 struct qla_hw_data *ha = vha->hw; 81 struct els_entry_24xx *rsp_els; 82 struct abts_entry_24xx *abts_rsp; 83 dma_addr_t dma; 84 uint32_t fctl; 85 int rval; 86 87 ql_dbg(ql_dbg_init, vha, 0x0286, "%s: entered.\n", __func__); 88 89 ql_log(ql_log_warn, vha, 0x0287, 90 "Processing ABTS xchg=%#x oxid=%#x rxid=%#x seqid=%#x seqcnt=%#x\n", 91 abts->rx_xch_addr_to_abort, abts->ox_id, abts->rx_id, 92 abts->seq_id, abts->seq_cnt); 93 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0287, 94 "-------- ABTS RCV -------\n"); 95 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0287, 96 (uint8_t *)abts, sizeof(*abts)); 97 98 rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els), &dma, 99 GFP_KERNEL); 100 if (!rsp_els) { 101 ql_log(ql_log_warn, vha, 0x0287, 102 "Failed allocate dma buffer ABTS/ELS RSP.\n"); 103 return; 104 } 105 106 /* terminate exchange */ 107 rsp_els->entry_type = ELS_IOCB_TYPE; 108 rsp_els->entry_count = 1; 109 rsp_els->nport_handle = cpu_to_le16(~0); 110 rsp_els->rx_xchg_address = abts->rx_xch_addr_to_abort; 111 rsp_els->control_flags = cpu_to_le16(EPD_RX_XCHG); 112 ql_dbg(ql_dbg_init, vha, 0x0283, 113 "Sending ELS Response to terminate exchange %#x...\n", 114 abts->rx_xch_addr_to_abort); 115 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0283, 116 "-------- ELS RSP -------\n"); 117 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0283, 118 (uint8_t *)rsp_els, sizeof(*rsp_els)); 119 rval = qla2x00_issue_iocb(vha, rsp_els, dma, 0); 120 if (rval) { 121 ql_log(ql_log_warn, vha, 0x0288, 122 "%s: iocb failed to execute -> %x\n", __func__, rval); 123 } else if (rsp_els->comp_status) { 124 ql_log(ql_log_warn, vha, 0x0289, 125 "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n", 126 __func__, rsp_els->comp_status, 127 rsp_els->error_subcode_1, rsp_els->error_subcode_2); 128 } else { 129 ql_dbg(ql_dbg_init, vha, 0x028a, 130 "%s: abort exchange done.\n", __func__); 131 } 132 133 /* send ABTS response */ 134 abts_rsp = (void *)rsp_els; 135 memset(abts_rsp, 0, sizeof(*abts_rsp)); 136 abts_rsp->entry_type = ABTS_RSP_TYPE; 137 abts_rsp->entry_count = 1; 138 abts_rsp->nport_handle = abts->nport_handle; 139 abts_rsp->vp_idx = abts->vp_idx; 140 abts_rsp->sof_type = abts->sof_type & 0xf0; 141 abts_rsp->rx_xch_addr = abts->rx_xch_addr; 142 abts_rsp->d_id[0] = abts->s_id[0]; 143 abts_rsp->d_id[1] = abts->s_id[1]; 144 abts_rsp->d_id[2] = abts->s_id[2]; 145 abts_rsp->r_ctl = FC_ROUTING_BLD | FC_R_CTL_BLD_BA_ACC; 146 abts_rsp->s_id[0] = abts->d_id[0]; 147 abts_rsp->s_id[1] = abts->d_id[1]; 148 abts_rsp->s_id[2] = abts->d_id[2]; 149 abts_rsp->cs_ctl = abts->cs_ctl; 150 /* include flipping bit23 in fctl */ 151 fctl = ~(abts->f_ctl[2] | 0x7F) << 16 | 152 FC_F_CTL_LAST_SEQ | FC_F_CTL_END_SEQ | FC_F_CTL_SEQ_INIT; 153 abts_rsp->f_ctl[0] = fctl >> 0 & 0xff; 154 abts_rsp->f_ctl[1] = fctl >> 8 & 0xff; 155 abts_rsp->f_ctl[2] = fctl >> 16 & 0xff; 156 abts_rsp->type = FC_TYPE_BLD; 157 abts_rsp->rx_id = abts->rx_id; 158 abts_rsp->ox_id = abts->ox_id; 159 abts_rsp->payload.ba_acc.aborted_rx_id = abts->rx_id; 160 abts_rsp->payload.ba_acc.aborted_ox_id = abts->ox_id; 161 abts_rsp->payload.ba_acc.high_seq_cnt = cpu_to_le16(~0); 162 abts_rsp->rx_xch_addr_to_abort = abts->rx_xch_addr_to_abort; 163 ql_dbg(ql_dbg_init, vha, 0x028b, 164 "Sending BA ACC response to ABTS %#x...\n", 165 abts->rx_xch_addr_to_abort); 166 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x028b, 167 "-------- ELS RSP -------\n"); 168 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x028b, 169 (uint8_t *)abts_rsp, sizeof(*abts_rsp)); 170 rval = qla2x00_issue_iocb(vha, abts_rsp, dma, 0); 171 if (rval) { 172 ql_log(ql_log_warn, vha, 0x028c, 173 "%s: iocb failed to execute -> %x\n", __func__, rval); 174 } else if (abts_rsp->comp_status) { 175 ql_log(ql_log_warn, vha, 0x028d, 176 "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n", 177 __func__, abts_rsp->comp_status, 178 abts_rsp->payload.error.subcode1, 179 abts_rsp->payload.error.subcode2); 180 } else { 181 ql_dbg(ql_dbg_init, vha, 0x028ea, 182 "%s: done.\n", __func__); 183 } 184 185 dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els), rsp_els, dma); 186 } 187 188 /** 189 * __qla_consume_iocb - this routine is used to tell fw driver has processed 190 * or consumed the head IOCB along with the continuation IOCB's from the 191 * provided respond queue. 192 * @vha: host adapter pointer 193 * @pkt: pointer to current packet. On return, this pointer shall move 194 * to the next packet. 195 * @rsp: respond queue pointer. 196 * 197 * it is assumed pkt is the head iocb, not the continuation iocbk 198 */ __qla_consume_iocb(struct scsi_qla_host * vha,void ** pkt,struct rsp_que ** rsp)199 void __qla_consume_iocb(struct scsi_qla_host *vha, 200 void **pkt, struct rsp_que **rsp) 201 { 202 struct rsp_que *rsp_q = *rsp; 203 response_t *new_pkt; 204 uint16_t entry_count_remaining; 205 struct purex_entry_24xx *purex = *pkt; 206 207 entry_count_remaining = purex->entry_count; 208 while (entry_count_remaining > 0) { 209 new_pkt = rsp_q->ring_ptr; 210 *pkt = new_pkt; 211 212 rsp_q->ring_index++; 213 if (rsp_q->ring_index == rsp_q->length) { 214 rsp_q->ring_index = 0; 215 rsp_q->ring_ptr = rsp_q->ring; 216 } else { 217 rsp_q->ring_ptr++; 218 } 219 220 new_pkt->signature = RESPONSE_PROCESSED; 221 /* flush signature */ 222 wmb(); 223 --entry_count_remaining; 224 } 225 } 226 227 /** 228 * __qla_copy_purex_to_buffer - extract ELS payload from Purex IOCB 229 * and save to provided buffer 230 * @vha: host adapter pointer 231 * @pkt: pointer Purex IOCB 232 * @rsp: respond queue 233 * @buf: extracted ELS payload copy here 234 * @buf_len: buffer length 235 */ __qla_copy_purex_to_buffer(struct scsi_qla_host * vha,void ** pkt,struct rsp_que ** rsp,u8 * buf,u32 buf_len)236 int __qla_copy_purex_to_buffer(struct scsi_qla_host *vha, 237 void **pkt, struct rsp_que **rsp, u8 *buf, u32 buf_len) 238 { 239 struct purex_entry_24xx *purex = *pkt; 240 struct rsp_que *rsp_q = *rsp; 241 sts_cont_entry_t *new_pkt; 242 uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0; 243 uint16_t buffer_copy_offset = 0; 244 uint16_t entry_count_remaining; 245 u16 tpad; 246 247 entry_count_remaining = purex->entry_count; 248 total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF) 249 - PURX_ELS_HEADER_SIZE; 250 251 /* 252 * end of payload may not end in 4bytes boundary. Need to 253 * round up / pad for room to swap, before saving data 254 */ 255 tpad = roundup(total_bytes, 4); 256 257 if (buf_len < tpad) { 258 ql_dbg(ql_dbg_async, vha, 0x5084, 259 "%s buffer is too small %d < %d\n", 260 __func__, buf_len, tpad); 261 __qla_consume_iocb(vha, pkt, rsp); 262 return -EIO; 263 } 264 265 pending_bytes = total_bytes = tpad; 266 no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ? 267 sizeof(purex->els_frame_payload) : pending_bytes; 268 269 memcpy(buf, &purex->els_frame_payload[0], no_bytes); 270 buffer_copy_offset += no_bytes; 271 pending_bytes -= no_bytes; 272 --entry_count_remaining; 273 274 ((response_t *)purex)->signature = RESPONSE_PROCESSED; 275 /* flush signature */ 276 wmb(); 277 278 do { 279 while ((total_bytes > 0) && (entry_count_remaining > 0)) { 280 new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr; 281 *pkt = new_pkt; 282 283 if (new_pkt->entry_type != STATUS_CONT_TYPE) { 284 ql_log(ql_log_warn, vha, 0x507a, 285 "Unexpected IOCB type, partial data 0x%x\n", 286 buffer_copy_offset); 287 break; 288 } 289 290 rsp_q->ring_index++; 291 if (rsp_q->ring_index == rsp_q->length) { 292 rsp_q->ring_index = 0; 293 rsp_q->ring_ptr = rsp_q->ring; 294 } else { 295 rsp_q->ring_ptr++; 296 } 297 no_bytes = (pending_bytes > sizeof(new_pkt->data)) ? 298 sizeof(new_pkt->data) : pending_bytes; 299 if ((buffer_copy_offset + no_bytes) <= total_bytes) { 300 memcpy((buf + buffer_copy_offset), new_pkt->data, 301 no_bytes); 302 buffer_copy_offset += no_bytes; 303 pending_bytes -= no_bytes; 304 --entry_count_remaining; 305 } else { 306 ql_log(ql_log_warn, vha, 0x5044, 307 "Attempt to copy more that we got, optimizing..%x\n", 308 buffer_copy_offset); 309 memcpy((buf + buffer_copy_offset), new_pkt->data, 310 total_bytes - buffer_copy_offset); 311 } 312 313 ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED; 314 /* flush signature */ 315 wmb(); 316 } 317 318 if (pending_bytes != 0 || entry_count_remaining != 0) { 319 ql_log(ql_log_fatal, vha, 0x508b, 320 "Dropping partial Data, underrun bytes = 0x%x, entry cnts 0x%x\n", 321 total_bytes, entry_count_remaining); 322 return -EIO; 323 } 324 } while (entry_count_remaining > 0); 325 326 be32_to_cpu_array((u32 *)buf, (__be32 *)buf, total_bytes >> 2); 327 328 return 0; 329 } 330 331 /** 332 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 333 * @irq: interrupt number 334 * @dev_id: SCSI driver HA context 335 * 336 * Called by system whenever the host adapter generates an interrupt. 337 * 338 * Returns handled flag. 339 */ 340 irqreturn_t qla2100_intr_handler(int irq,void * dev_id)341 qla2100_intr_handler(int irq, void *dev_id) 342 { 343 scsi_qla_host_t *vha; 344 struct qla_hw_data *ha; 345 struct device_reg_2xxx __iomem *reg; 346 int status; 347 unsigned long iter; 348 uint16_t hccr; 349 uint16_t mb[8]; 350 struct rsp_que *rsp; 351 unsigned long flags; 352 353 rsp = (struct rsp_que *) dev_id; 354 if (!rsp) { 355 ql_log(ql_log_info, NULL, 0x505d, 356 "%s: NULL response queue pointer.\n", __func__); 357 return (IRQ_NONE); 358 } 359 360 ha = rsp->hw; 361 reg = &ha->iobase->isp; 362 status = 0; 363 364 spin_lock_irqsave(&ha->hardware_lock, flags); 365 vha = pci_get_drvdata(ha->pdev); 366 for (iter = 50; iter--; ) { 367 hccr = rd_reg_word(®->hccr); 368 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 369 break; 370 if (hccr & HCCR_RISC_PAUSE) { 371 if (pci_channel_offline(ha->pdev)) 372 break; 373 374 /* 375 * Issue a "HARD" reset in order for the RISC interrupt 376 * bit to be cleared. Schedule a big hammer to get 377 * out of the RISC PAUSED state. 378 */ 379 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 380 rd_reg_word(®->hccr); 381 382 ha->isp_ops->fw_dump(vha); 383 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 384 break; 385 } else if ((rd_reg_word(®->istatus) & ISR_RISC_INT) == 0) 386 break; 387 388 if (rd_reg_word(®->semaphore) & BIT_0) { 389 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); 390 rd_reg_word(®->hccr); 391 392 /* Get mailbox data. */ 393 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 394 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 395 qla2x00_mbx_completion(vha, mb[0]); 396 status |= MBX_INTERRUPT; 397 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 398 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 399 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 400 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 401 qla2x00_async_event(vha, rsp, mb); 402 } else { 403 /*EMPTY*/ 404 ql_dbg(ql_dbg_async, vha, 0x5025, 405 "Unrecognized interrupt type (%d).\n", 406 mb[0]); 407 } 408 /* Release mailbox registers. */ 409 wrt_reg_word(®->semaphore, 0); 410 rd_reg_word(®->semaphore); 411 } else { 412 qla2x00_process_response_queue(rsp); 413 414 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); 415 rd_reg_word(®->hccr); 416 } 417 } 418 qla2x00_handle_mbx_completion(ha, status); 419 spin_unlock_irqrestore(&ha->hardware_lock, flags); 420 421 return (IRQ_HANDLED); 422 } 423 424 bool qla2x00_check_reg32_for_disconnect(scsi_qla_host_t * vha,uint32_t reg)425 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 426 { 427 /* Check for PCI disconnection */ 428 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 429 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 430 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 431 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 432 qla_schedule_eeh_work(vha); 433 } 434 return true; 435 } else 436 return false; 437 } 438 439 bool qla2x00_check_reg16_for_disconnect(scsi_qla_host_t * vha,uint16_t reg)440 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 441 { 442 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 443 } 444 445 /** 446 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 447 * @irq: interrupt number 448 * @dev_id: SCSI driver HA context 449 * 450 * Called by system whenever the host adapter generates an interrupt. 451 * 452 * Returns handled flag. 453 */ 454 irqreturn_t qla2300_intr_handler(int irq,void * dev_id)455 qla2300_intr_handler(int irq, void *dev_id) 456 { 457 scsi_qla_host_t *vha; 458 struct device_reg_2xxx __iomem *reg; 459 int status; 460 unsigned long iter; 461 uint32_t stat; 462 uint16_t hccr; 463 uint16_t mb[8]; 464 struct rsp_que *rsp; 465 struct qla_hw_data *ha; 466 unsigned long flags; 467 468 rsp = (struct rsp_que *) dev_id; 469 if (!rsp) { 470 ql_log(ql_log_info, NULL, 0x5058, 471 "%s: NULL response queue pointer.\n", __func__); 472 return (IRQ_NONE); 473 } 474 475 ha = rsp->hw; 476 reg = &ha->iobase->isp; 477 status = 0; 478 479 spin_lock_irqsave(&ha->hardware_lock, flags); 480 vha = pci_get_drvdata(ha->pdev); 481 for (iter = 50; iter--; ) { 482 stat = rd_reg_dword(®->u.isp2300.host_status); 483 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 484 break; 485 if (stat & HSR_RISC_PAUSED) { 486 if (unlikely(pci_channel_offline(ha->pdev))) 487 break; 488 489 hccr = rd_reg_word(®->hccr); 490 491 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 492 ql_log(ql_log_warn, vha, 0x5026, 493 "Parity error -- HCCR=%x, Dumping " 494 "firmware.\n", hccr); 495 else 496 ql_log(ql_log_warn, vha, 0x5027, 497 "RISC paused -- HCCR=%x, Dumping " 498 "firmware.\n", hccr); 499 500 /* 501 * Issue a "HARD" reset in order for the RISC 502 * interrupt bit to be cleared. Schedule a big 503 * hammer to get out of the RISC PAUSED state. 504 */ 505 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 506 rd_reg_word(®->hccr); 507 508 ha->isp_ops->fw_dump(vha); 509 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 510 break; 511 } else if ((stat & HSR_RISC_INT) == 0) 512 break; 513 514 switch (stat & 0xff) { 515 case 0x1: 516 case 0x2: 517 case 0x10: 518 case 0x11: 519 qla2x00_mbx_completion(vha, MSW(stat)); 520 status |= MBX_INTERRUPT; 521 522 /* Release mailbox registers. */ 523 wrt_reg_word(®->semaphore, 0); 524 break; 525 case 0x12: 526 mb[0] = MSW(stat); 527 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 528 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 529 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 530 qla2x00_async_event(vha, rsp, mb); 531 break; 532 case 0x13: 533 qla2x00_process_response_queue(rsp); 534 break; 535 case 0x15: 536 mb[0] = MBA_CMPLT_1_16BIT; 537 mb[1] = MSW(stat); 538 qla2x00_async_event(vha, rsp, mb); 539 break; 540 case 0x16: 541 mb[0] = MBA_SCSI_COMPLETION; 542 mb[1] = MSW(stat); 543 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 544 qla2x00_async_event(vha, rsp, mb); 545 break; 546 default: 547 ql_dbg(ql_dbg_async, vha, 0x5028, 548 "Unrecognized interrupt type (%d).\n", stat & 0xff); 549 break; 550 } 551 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); 552 rd_reg_word_relaxed(®->hccr); 553 } 554 qla2x00_handle_mbx_completion(ha, status); 555 spin_unlock_irqrestore(&ha->hardware_lock, flags); 556 557 return (IRQ_HANDLED); 558 } 559 560 /** 561 * qla2x00_mbx_completion() - Process mailbox command completions. 562 * @vha: SCSI driver HA context 563 * @mb0: Mailbox0 register 564 */ 565 static void qla2x00_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)566 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 567 { 568 uint16_t cnt; 569 uint32_t mboxes; 570 __le16 __iomem *wptr; 571 struct qla_hw_data *ha = vha->hw; 572 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 573 574 /* Read all mbox registers? */ 575 WARN_ON_ONCE(ha->mbx_count > 32); 576 mboxes = (1ULL << ha->mbx_count) - 1; 577 if (!ha->mcp) 578 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 579 else 580 mboxes = ha->mcp->in_mb; 581 582 /* Load return mailbox registers. */ 583 ha->flags.mbox_int = 1; 584 ha->mailbox_out[0] = mb0; 585 mboxes >>= 1; 586 wptr = MAILBOX_REG(ha, reg, 1); 587 588 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 589 if (IS_QLA2200(ha) && cnt == 8) 590 wptr = MAILBOX_REG(ha, reg, 8); 591 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 592 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 593 else if (mboxes & BIT_0) 594 ha->mailbox_out[cnt] = rd_reg_word(wptr); 595 596 wptr++; 597 mboxes >>= 1; 598 } 599 } 600 601 static void qla81xx_idc_event(scsi_qla_host_t * vha,uint16_t aen,uint16_t descr)602 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 603 { 604 static char *event[] = 605 { "Complete", "Request Notification", "Time Extension" }; 606 int rval; 607 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 608 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 609 __le16 __iomem *wptr; 610 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 611 612 /* Seed data -- mailbox1 -> mailbox7. */ 613 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 614 wptr = ®24->mailbox1; 615 else if (IS_QLA8044(vha->hw)) 616 wptr = ®82->mailbox_out[1]; 617 else 618 return; 619 620 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 621 mb[cnt] = rd_reg_word(wptr); 622 623 ql_dbg(ql_dbg_async, vha, 0x5021, 624 "Inter-Driver Communication %s -- " 625 "%04x %04x %04x %04x %04x %04x %04x.\n", 626 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 627 mb[4], mb[5], mb[6]); 628 switch (aen) { 629 /* Handle IDC Error completion case. */ 630 case MBA_IDC_COMPLETE: 631 if (mb[1] >> 15) { 632 vha->hw->flags.idc_compl_status = 1; 633 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 634 complete(&vha->hw->dcbx_comp); 635 } 636 break; 637 638 case MBA_IDC_NOTIFY: 639 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 640 timeout = (descr >> 8) & 0xf; 641 ql_dbg(ql_dbg_async, vha, 0x5022, 642 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 643 vha->host_no, event[aen & 0xff], timeout); 644 645 if (!timeout) 646 return; 647 rval = qla2x00_post_idc_ack_work(vha, mb); 648 if (rval != QLA_SUCCESS) 649 ql_log(ql_log_warn, vha, 0x5023, 650 "IDC failed to post ACK.\n"); 651 break; 652 case MBA_IDC_TIME_EXT: 653 vha->hw->idc_extend_tmo = descr; 654 ql_dbg(ql_dbg_async, vha, 0x5087, 655 "%lu Inter-Driver Communication %s -- " 656 "Extend timeout by=%d.\n", 657 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 658 break; 659 } 660 } 661 662 #define LS_UNKNOWN 2 663 const char * qla2x00_get_link_speed_str(struct qla_hw_data * ha,uint16_t speed)664 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 665 { 666 static const char *const link_speeds[] = { 667 "1", "2", "?", "4", "8", "16", "32", "64", "10" 668 }; 669 #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1) 670 671 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 672 return link_speeds[0]; 673 else if (speed == 0x13) 674 return link_speeds[QLA_LAST_SPEED]; 675 else if (speed < QLA_LAST_SPEED) 676 return link_speeds[speed]; 677 else 678 return link_speeds[LS_UNKNOWN]; 679 } 680 681 static void qla83xx_handle_8200_aen(scsi_qla_host_t * vha,uint16_t * mb)682 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 683 { 684 struct qla_hw_data *ha = vha->hw; 685 686 /* 687 * 8200 AEN Interpretation: 688 * mb[0] = AEN code 689 * mb[1] = AEN Reason code 690 * mb[2] = LSW of Peg-Halt Status-1 Register 691 * mb[6] = MSW of Peg-Halt Status-1 Register 692 * mb[3] = LSW of Peg-Halt Status-2 register 693 * mb[7] = MSW of Peg-Halt Status-2 register 694 * mb[4] = IDC Device-State Register value 695 * mb[5] = IDC Driver-Presence Register value 696 */ 697 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 698 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 699 mb[0], mb[1], mb[2], mb[6]); 700 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 701 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 702 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 703 704 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 705 IDC_HEARTBEAT_FAILURE)) { 706 ha->flags.nic_core_hung = 1; 707 ql_log(ql_log_warn, vha, 0x5060, 708 "83XX: F/W Error Reported: Check if reset required.\n"); 709 710 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 711 uint32_t protocol_engine_id, fw_err_code, err_level; 712 713 /* 714 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 715 * - PEG-Halt Status-1 Register: 716 * (LSW = mb[2], MSW = mb[6]) 717 * Bits 0-7 = protocol-engine ID 718 * Bits 8-28 = f/w error code 719 * Bits 29-31 = Error-level 720 * Error-level 0x1 = Non-Fatal error 721 * Error-level 0x2 = Recoverable Fatal error 722 * Error-level 0x4 = UnRecoverable Fatal error 723 * - PEG-Halt Status-2 Register: 724 * (LSW = mb[3], MSW = mb[7]) 725 */ 726 protocol_engine_id = (mb[2] & 0xff); 727 fw_err_code = (((mb[2] & 0xff00) >> 8) | 728 ((mb[6] & 0x1fff) << 8)); 729 err_level = ((mb[6] & 0xe000) >> 13); 730 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 731 "Register: protocol_engine_id=0x%x " 732 "fw_err_code=0x%x err_level=0x%x.\n", 733 protocol_engine_id, fw_err_code, err_level); 734 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 735 "Register: 0x%x%x.\n", mb[7], mb[3]); 736 if (err_level == ERR_LEVEL_NON_FATAL) { 737 ql_log(ql_log_warn, vha, 0x5063, 738 "Not a fatal error, f/w has recovered itself.\n"); 739 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 740 ql_log(ql_log_fatal, vha, 0x5064, 741 "Recoverable Fatal error: Chip reset " 742 "required.\n"); 743 qla83xx_schedule_work(vha, 744 QLA83XX_NIC_CORE_RESET); 745 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 746 ql_log(ql_log_fatal, vha, 0x5065, 747 "Unrecoverable Fatal error: Set FAILED " 748 "state, reboot required.\n"); 749 qla83xx_schedule_work(vha, 750 QLA83XX_NIC_CORE_UNRECOVERABLE); 751 } 752 } 753 754 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 755 uint16_t peg_fw_state, nw_interface_link_up; 756 uint16_t nw_interface_signal_detect, sfp_status; 757 uint16_t htbt_counter, htbt_monitor_enable; 758 uint16_t sfp_additional_info, sfp_multirate; 759 uint16_t sfp_tx_fault, link_speed, dcbx_status; 760 761 /* 762 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 763 * - PEG-to-FC Status Register: 764 * (LSW = mb[2], MSW = mb[6]) 765 * Bits 0-7 = Peg-Firmware state 766 * Bit 8 = N/W Interface Link-up 767 * Bit 9 = N/W Interface signal detected 768 * Bits 10-11 = SFP Status 769 * SFP Status 0x0 = SFP+ transceiver not expected 770 * SFP Status 0x1 = SFP+ transceiver not present 771 * SFP Status 0x2 = SFP+ transceiver invalid 772 * SFP Status 0x3 = SFP+ transceiver present and 773 * valid 774 * Bits 12-14 = Heartbeat Counter 775 * Bit 15 = Heartbeat Monitor Enable 776 * Bits 16-17 = SFP Additional Info 777 * SFP info 0x0 = Unregocnized transceiver for 778 * Ethernet 779 * SFP info 0x1 = SFP+ brand validation failed 780 * SFP info 0x2 = SFP+ speed validation failed 781 * SFP info 0x3 = SFP+ access error 782 * Bit 18 = SFP Multirate 783 * Bit 19 = SFP Tx Fault 784 * Bits 20-22 = Link Speed 785 * Bits 23-27 = Reserved 786 * Bits 28-30 = DCBX Status 787 * DCBX Status 0x0 = DCBX Disabled 788 * DCBX Status 0x1 = DCBX Enabled 789 * DCBX Status 0x2 = DCBX Exchange error 790 * Bit 31 = Reserved 791 */ 792 peg_fw_state = (mb[2] & 0x00ff); 793 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 794 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 795 sfp_status = ((mb[2] & 0x0c00) >> 10); 796 htbt_counter = ((mb[2] & 0x7000) >> 12); 797 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 798 sfp_additional_info = (mb[6] & 0x0003); 799 sfp_multirate = ((mb[6] & 0x0004) >> 2); 800 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 801 link_speed = ((mb[6] & 0x0070) >> 4); 802 dcbx_status = ((mb[6] & 0x7000) >> 12); 803 804 ql_log(ql_log_warn, vha, 0x5066, 805 "Peg-to-Fc Status Register:\n" 806 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 807 "nw_interface_signal_detect=0x%x" 808 "\nsfp_statis=0x%x.\n ", peg_fw_state, 809 nw_interface_link_up, nw_interface_signal_detect, 810 sfp_status); 811 ql_log(ql_log_warn, vha, 0x5067, 812 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 813 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", 814 htbt_counter, htbt_monitor_enable, 815 sfp_additional_info, sfp_multirate); 816 ql_log(ql_log_warn, vha, 0x5068, 817 "sfp_tx_fault=0x%x, link_state=0x%x, " 818 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 819 dcbx_status); 820 821 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 822 } 823 824 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 825 ql_log(ql_log_warn, vha, 0x5069, 826 "Heartbeat Failure encountered, chip reset " 827 "required.\n"); 828 829 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 830 } 831 } 832 833 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 834 ql_log(ql_log_info, vha, 0x506a, 835 "IDC Device-State changed = 0x%x.\n", mb[4]); 836 if (ha->flags.nic_core_reset_owner) 837 return; 838 qla83xx_schedule_work(vha, MBA_IDC_AEN); 839 } 840 } 841 842 /** 843 * qla27xx_copy_multiple_pkt() - Copy over purex/purls packets that can 844 * span over multiple IOCBs. 845 * @vha: SCSI driver HA context 846 * @pkt: ELS packet 847 * @rsp: Response queue 848 * @is_purls: True, for Unsolicited Received FC-NVMe LS rsp IOCB 849 * false, for Unsolicited Received ELS IOCB 850 * @byte_order: True, to change the byte ordering of iocb payload 851 */ 852 struct purex_item * qla27xx_copy_multiple_pkt(struct scsi_qla_host * vha,void ** pkt,struct rsp_que ** rsp,bool is_purls,bool byte_order)853 qla27xx_copy_multiple_pkt(struct scsi_qla_host *vha, void **pkt, 854 struct rsp_que **rsp, bool is_purls, 855 bool byte_order) 856 { 857 struct purex_entry_24xx *purex = NULL; 858 struct pt_ls4_rx_unsol *purls = NULL; 859 struct rsp_que *rsp_q = *rsp; 860 sts_cont_entry_t *new_pkt; 861 uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0; 862 uint16_t buffer_copy_offset = 0, payload_size = 0; 863 uint16_t entry_count, entry_count_remaining; 864 struct purex_item *item; 865 void *iocb_pkt = NULL; 866 867 if (is_purls) { 868 purls = *pkt; 869 total_bytes = (le16_to_cpu(purls->frame_size) & 0x0FFF) - 870 PURX_ELS_HEADER_SIZE; 871 entry_count = entry_count_remaining = purls->entry_count; 872 payload_size = sizeof(purls->payload); 873 } else { 874 purex = *pkt; 875 total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF) - 876 PURX_ELS_HEADER_SIZE; 877 entry_count = entry_count_remaining = purex->entry_count; 878 payload_size = sizeof(purex->els_frame_payload); 879 } 880 881 pending_bytes = total_bytes; 882 no_bytes = (pending_bytes > payload_size) ? payload_size : 883 pending_bytes; 884 ql_dbg(ql_dbg_async, vha, 0x509a, 885 "%s LS, frame_size 0x%x, entry count %d\n", 886 (is_purls ? "PURLS" : "FPIN"), total_bytes, entry_count); 887 888 item = qla24xx_alloc_purex_item(vha, total_bytes); 889 if (!item) 890 return item; 891 892 iocb_pkt = &item->iocb; 893 894 if (is_purls) 895 memcpy(iocb_pkt, &purls->payload[0], no_bytes); 896 else 897 memcpy(iocb_pkt, &purex->els_frame_payload[0], no_bytes); 898 buffer_copy_offset += no_bytes; 899 pending_bytes -= no_bytes; 900 --entry_count_remaining; 901 902 if (is_purls) 903 ((response_t *)purls)->signature = RESPONSE_PROCESSED; 904 else 905 ((response_t *)purex)->signature = RESPONSE_PROCESSED; 906 wmb(); 907 908 do { 909 while ((total_bytes > 0) && (entry_count_remaining > 0)) { 910 if (rsp_q->ring_ptr->signature == RESPONSE_PROCESSED) { 911 ql_dbg(ql_dbg_async, vha, 0x5084, 912 "Ran out of IOCBs, partial data 0x%x\n", 913 buffer_copy_offset); 914 cpu_relax(); 915 continue; 916 } 917 918 new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr; 919 *pkt = new_pkt; 920 921 if (new_pkt->entry_type != STATUS_CONT_TYPE) { 922 ql_log(ql_log_warn, vha, 0x507a, 923 "Unexpected IOCB type, partial data 0x%x\n", 924 buffer_copy_offset); 925 break; 926 } 927 928 rsp_q->ring_index++; 929 if (rsp_q->ring_index == rsp_q->length) { 930 rsp_q->ring_index = 0; 931 rsp_q->ring_ptr = rsp_q->ring; 932 } else { 933 rsp_q->ring_ptr++; 934 } 935 no_bytes = (pending_bytes > sizeof(new_pkt->data)) ? 936 sizeof(new_pkt->data) : pending_bytes; 937 if ((buffer_copy_offset + no_bytes) <= total_bytes) { 938 memcpy(((uint8_t *)iocb_pkt + buffer_copy_offset), 939 new_pkt->data, no_bytes); 940 buffer_copy_offset += no_bytes; 941 pending_bytes -= no_bytes; 942 --entry_count_remaining; 943 } else { 944 ql_log(ql_log_warn, vha, 0x5044, 945 "Attempt to copy more that we got, optimizing..%x\n", 946 buffer_copy_offset); 947 memcpy(((uint8_t *)iocb_pkt + buffer_copy_offset), 948 new_pkt->data, 949 total_bytes - buffer_copy_offset); 950 } 951 952 ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED; 953 wmb(); 954 } 955 956 if (pending_bytes != 0 || entry_count_remaining != 0) { 957 ql_log(ql_log_fatal, vha, 0x508b, 958 "Dropping partial FPIN, underrun bytes = 0x%x, entry cnts 0x%x\n", 959 total_bytes, entry_count_remaining); 960 qla24xx_free_purex_item(item); 961 return NULL; 962 } 963 } while (entry_count_remaining > 0); 964 965 if (byte_order) 966 host_to_fcp_swap((uint8_t *)&item->iocb, total_bytes); 967 968 return item; 969 } 970 971 int qla2x00_is_a_vp_did(scsi_qla_host_t * vha,uint32_t rscn_entry)972 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 973 { 974 struct qla_hw_data *ha = vha->hw; 975 scsi_qla_host_t *vp; 976 uint32_t vp_did; 977 unsigned long flags; 978 int ret = 0; 979 980 if (!ha->num_vhosts) 981 return ret; 982 983 spin_lock_irqsave(&ha->vport_slock, flags); 984 list_for_each_entry(vp, &ha->vp_list, list) { 985 vp_did = vp->d_id.b24; 986 if (vp_did == rscn_entry) { 987 ret = 1; 988 break; 989 } 990 } 991 spin_unlock_irqrestore(&ha->vport_slock, flags); 992 993 return ret; 994 } 995 996 fc_port_t * qla2x00_find_fcport_by_loopid(scsi_qla_host_t * vha,uint16_t loop_id)997 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 998 { 999 fc_port_t *f, *tf; 1000 1001 f = tf = NULL; 1002 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 1003 if (f->loop_id == loop_id) 1004 return f; 1005 return NULL; 1006 } 1007 1008 fc_port_t * qla2x00_find_fcport_by_wwpn(scsi_qla_host_t * vha,u8 * wwpn,u8 incl_deleted)1009 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 1010 { 1011 fc_port_t *f, *tf; 1012 1013 f = tf = NULL; 1014 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 1015 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 1016 if (incl_deleted) 1017 return f; 1018 else if (f->deleted == 0) 1019 return f; 1020 } 1021 } 1022 return NULL; 1023 } 1024 1025 fc_port_t * qla2x00_find_fcport_by_nportid(scsi_qla_host_t * vha,port_id_t * id,u8 incl_deleted)1026 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 1027 u8 incl_deleted) 1028 { 1029 fc_port_t *f, *tf; 1030 1031 f = tf = NULL; 1032 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 1033 if (f->d_id.b24 == id->b24) { 1034 if (incl_deleted) 1035 return f; 1036 else if (f->deleted == 0) 1037 return f; 1038 } 1039 } 1040 return NULL; 1041 } 1042 1043 /* Shall be called only on supported adapters. */ 1044 static void qla27xx_handle_8200_aen(scsi_qla_host_t * vha,uint16_t * mb)1045 qla27xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 1046 { 1047 struct qla_hw_data *ha = vha->hw; 1048 bool reset_isp_needed = false; 1049 1050 ql_log(ql_log_warn, vha, 0x02f0, 1051 "MPI Heartbeat stop. MPI reset is%s needed. " 1052 "MB0[%xh] MB1[%xh] MB2[%xh] MB3[%xh]\n", 1053 mb[1] & BIT_8 ? "" : " not", 1054 mb[0], mb[1], mb[2], mb[3]); 1055 1056 if ((mb[1] & BIT_8) == 0) 1057 return; 1058 1059 ql_log(ql_log_warn, vha, 0x02f1, 1060 "MPI Heartbeat stop. FW dump needed\n"); 1061 1062 if (ql2xfulldump_on_mpifail) { 1063 ha->isp_ops->fw_dump(vha); 1064 reset_isp_needed = true; 1065 } 1066 1067 ha->isp_ops->mpi_fw_dump(vha, 1); 1068 1069 if (reset_isp_needed) { 1070 vha->hw->flags.fw_init_done = 0; 1071 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1072 qla2xxx_wake_dpc(vha); 1073 } 1074 } 1075 1076 static struct purex_item * qla24xx_alloc_purex_item(scsi_qla_host_t * vha,uint16_t size)1077 qla24xx_alloc_purex_item(scsi_qla_host_t *vha, uint16_t size) 1078 { 1079 struct purex_item *item = NULL; 1080 uint8_t item_hdr_size = sizeof(*item); 1081 1082 if (size > QLA_DEFAULT_PAYLOAD_SIZE) { 1083 item = kzalloc(item_hdr_size + 1084 (size - QLA_DEFAULT_PAYLOAD_SIZE), GFP_ATOMIC); 1085 } else { 1086 if (atomic_inc_return(&vha->default_item.in_use) == 1) { 1087 item = &vha->default_item; 1088 goto initialize_purex_header; 1089 } else { 1090 item = kzalloc(item_hdr_size, GFP_ATOMIC); 1091 } 1092 } 1093 if (!item) { 1094 ql_log(ql_log_warn, vha, 0x5092, 1095 ">> Failed allocate purex list item.\n"); 1096 1097 return NULL; 1098 } 1099 1100 initialize_purex_header: 1101 item->vha = vha; 1102 item->size = size; 1103 return item; 1104 } 1105 1106 void qla24xx_queue_purex_item(scsi_qla_host_t * vha,struct purex_item * pkt,void (* process_item)(struct scsi_qla_host * vha,struct purex_item * pkt))1107 qla24xx_queue_purex_item(scsi_qla_host_t *vha, struct purex_item *pkt, 1108 void (*process_item)(struct scsi_qla_host *vha, 1109 struct purex_item *pkt)) 1110 { 1111 struct purex_list *list = &vha->purex_list; 1112 ulong flags; 1113 1114 pkt->process_item = process_item; 1115 1116 spin_lock_irqsave(&list->lock, flags); 1117 list_add_tail(&pkt->list, &list->head); 1118 spin_unlock_irqrestore(&list->lock, flags); 1119 1120 set_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags); 1121 } 1122 1123 /** 1124 * qla24xx_copy_std_pkt() - Copy over purex ELS which is 1125 * contained in a single IOCB. 1126 * purex packet. 1127 * @vha: SCSI driver HA context 1128 * @pkt: ELS packet 1129 */ 1130 static struct purex_item qla24xx_copy_std_pkt(struct scsi_qla_host * vha,void * pkt)1131 *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, void *pkt) 1132 { 1133 struct purex_item *item; 1134 1135 item = qla24xx_alloc_purex_item(vha, 1136 QLA_DEFAULT_PAYLOAD_SIZE); 1137 if (!item) 1138 return item; 1139 1140 memcpy(&item->iocb, pkt, sizeof(item->iocb)); 1141 return item; 1142 } 1143 1144 /** 1145 * qla27xx_copy_fpin_pkt() - Copy over fpin packets that can 1146 * span over multiple IOCBs. 1147 * @vha: SCSI driver HA context 1148 * @pkt: ELS packet 1149 * @rsp: Response queue 1150 */ 1151 static struct purex_item * qla27xx_copy_fpin_pkt(struct scsi_qla_host * vha,void ** pkt,struct rsp_que ** rsp)1152 qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, void **pkt, 1153 struct rsp_que **rsp) 1154 { 1155 struct purex_entry_24xx *purex = *pkt; 1156 struct rsp_que *rsp_q = *rsp; 1157 sts_cont_entry_t *new_pkt; 1158 uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0; 1159 uint16_t buffer_copy_offset = 0; 1160 uint16_t entry_count, entry_count_remaining; 1161 struct purex_item *item; 1162 void *fpin_pkt = NULL; 1163 1164 total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF) 1165 - PURX_ELS_HEADER_SIZE; 1166 pending_bytes = total_bytes; 1167 entry_count = entry_count_remaining = purex->entry_count; 1168 no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ? 1169 sizeof(purex->els_frame_payload) : pending_bytes; 1170 ql_log(ql_log_info, vha, 0x509a, 1171 "FPIN ELS, frame_size 0x%x, entry count %d\n", 1172 total_bytes, entry_count); 1173 1174 item = qla24xx_alloc_purex_item(vha, total_bytes); 1175 if (!item) 1176 return item; 1177 1178 fpin_pkt = &item->iocb; 1179 1180 memcpy(fpin_pkt, &purex->els_frame_payload[0], no_bytes); 1181 buffer_copy_offset += no_bytes; 1182 pending_bytes -= no_bytes; 1183 --entry_count_remaining; 1184 1185 ((response_t *)purex)->signature = RESPONSE_PROCESSED; 1186 wmb(); 1187 1188 do { 1189 while ((total_bytes > 0) && (entry_count_remaining > 0)) { 1190 if (rsp_q->ring_ptr->signature == RESPONSE_PROCESSED) { 1191 ql_dbg(ql_dbg_async, vha, 0x5084, 1192 "Ran out of IOCBs, partial data 0x%x\n", 1193 buffer_copy_offset); 1194 cpu_relax(); 1195 continue; 1196 } 1197 1198 new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr; 1199 *pkt = new_pkt; 1200 1201 if (new_pkt->entry_type != STATUS_CONT_TYPE) { 1202 ql_log(ql_log_warn, vha, 0x507a, 1203 "Unexpected IOCB type, partial data 0x%x\n", 1204 buffer_copy_offset); 1205 break; 1206 } 1207 1208 rsp_q->ring_index++; 1209 if (rsp_q->ring_index == rsp_q->length) { 1210 rsp_q->ring_index = 0; 1211 rsp_q->ring_ptr = rsp_q->ring; 1212 } else { 1213 rsp_q->ring_ptr++; 1214 } 1215 no_bytes = (pending_bytes > sizeof(new_pkt->data)) ? 1216 sizeof(new_pkt->data) : pending_bytes; 1217 if ((buffer_copy_offset + no_bytes) <= total_bytes) { 1218 memcpy(((uint8_t *)fpin_pkt + 1219 buffer_copy_offset), new_pkt->data, 1220 no_bytes); 1221 buffer_copy_offset += no_bytes; 1222 pending_bytes -= no_bytes; 1223 --entry_count_remaining; 1224 } else { 1225 ql_log(ql_log_warn, vha, 0x5044, 1226 "Attempt to copy more that we got, optimizing..%x\n", 1227 buffer_copy_offset); 1228 memcpy(((uint8_t *)fpin_pkt + 1229 buffer_copy_offset), new_pkt->data, 1230 total_bytes - buffer_copy_offset); 1231 } 1232 1233 ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED; 1234 wmb(); 1235 } 1236 1237 if (pending_bytes != 0 || entry_count_remaining != 0) { 1238 ql_log(ql_log_fatal, vha, 0x508b, 1239 "Dropping partial FPIN, underrun bytes = 0x%x, entry cnts 0x%x\n", 1240 total_bytes, entry_count_remaining); 1241 qla24xx_free_purex_item(item); 1242 return NULL; 1243 } 1244 } while (entry_count_remaining > 0); 1245 host_to_fcp_swap((uint8_t *)&item->iocb, total_bytes); 1246 return item; 1247 } 1248 1249 /** 1250 * qla2x00_async_event() - Process aynchronous events. 1251 * @vha: SCSI driver HA context 1252 * @rsp: response queue 1253 * @mb: Mailbox registers (0 - 3) 1254 */ 1255 void qla2x00_async_event(scsi_qla_host_t * vha,struct rsp_que * rsp,uint16_t * mb)1256 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 1257 { 1258 uint16_t handle_cnt; 1259 uint16_t cnt, mbx; 1260 uint32_t handles[5]; 1261 struct qla_hw_data *ha = vha->hw; 1262 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1263 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 1264 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 1265 uint32_t rscn_entry, host_pid; 1266 unsigned long flags; 1267 fc_port_t *fcport = NULL; 1268 1269 if (!vha->hw->flags.fw_started) { 1270 ql_log(ql_log_warn, vha, 0x50ff, 1271 "Dropping AEN - %04x %04x %04x %04x.\n", 1272 mb[0], mb[1], mb[2], mb[3]); 1273 return; 1274 } 1275 1276 /* Setup to process RIO completion. */ 1277 handle_cnt = 0; 1278 if (IS_CNA_CAPABLE(ha)) 1279 goto skip_rio; 1280 switch (mb[0]) { 1281 case MBA_SCSI_COMPLETION: 1282 handles[0] = make_handle(mb[2], mb[1]); 1283 handle_cnt = 1; 1284 break; 1285 case MBA_CMPLT_1_16BIT: 1286 handles[0] = mb[1]; 1287 handle_cnt = 1; 1288 mb[0] = MBA_SCSI_COMPLETION; 1289 break; 1290 case MBA_CMPLT_2_16BIT: 1291 handles[0] = mb[1]; 1292 handles[1] = mb[2]; 1293 handle_cnt = 2; 1294 mb[0] = MBA_SCSI_COMPLETION; 1295 break; 1296 case MBA_CMPLT_3_16BIT: 1297 handles[0] = mb[1]; 1298 handles[1] = mb[2]; 1299 handles[2] = mb[3]; 1300 handle_cnt = 3; 1301 mb[0] = MBA_SCSI_COMPLETION; 1302 break; 1303 case MBA_CMPLT_4_16BIT: 1304 handles[0] = mb[1]; 1305 handles[1] = mb[2]; 1306 handles[2] = mb[3]; 1307 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 1308 handle_cnt = 4; 1309 mb[0] = MBA_SCSI_COMPLETION; 1310 break; 1311 case MBA_CMPLT_5_16BIT: 1312 handles[0] = mb[1]; 1313 handles[1] = mb[2]; 1314 handles[2] = mb[3]; 1315 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 1316 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 1317 handle_cnt = 5; 1318 mb[0] = MBA_SCSI_COMPLETION; 1319 break; 1320 case MBA_CMPLT_2_32BIT: 1321 handles[0] = make_handle(mb[2], mb[1]); 1322 handles[1] = make_handle(RD_MAILBOX_REG(ha, reg, 7), 1323 RD_MAILBOX_REG(ha, reg, 6)); 1324 handle_cnt = 2; 1325 mb[0] = MBA_SCSI_COMPLETION; 1326 break; 1327 default: 1328 break; 1329 } 1330 skip_rio: 1331 switch (mb[0]) { 1332 case MBA_SCSI_COMPLETION: /* Fast Post */ 1333 if (!vha->flags.online) 1334 break; 1335 1336 for (cnt = 0; cnt < handle_cnt; cnt++) 1337 qla2x00_process_completed_request(vha, rsp->req, 1338 handles[cnt]); 1339 break; 1340 1341 case MBA_RESET: /* Reset */ 1342 ql_dbg(ql_dbg_async, vha, 0x5002, 1343 "Asynchronous RESET.\n"); 1344 1345 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1346 break; 1347 1348 case MBA_SYSTEM_ERR: /* System Error */ 1349 mbx = 0; 1350 1351 vha->hw_err_cnt++; 1352 1353 if (IS_QLA81XX(ha) || IS_QLA83XX(ha) || 1354 IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1355 u16 m[4]; 1356 1357 m[0] = rd_reg_word(®24->mailbox4); 1358 m[1] = rd_reg_word(®24->mailbox5); 1359 m[2] = rd_reg_word(®24->mailbox6); 1360 mbx = m[3] = rd_reg_word(®24->mailbox7); 1361 1362 ql_log(ql_log_warn, vha, 0x5003, 1363 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh mbx4=%xh mbx5=%xh mbx6=%xh mbx7=%xh.\n", 1364 mb[1], mb[2], mb[3], m[0], m[1], m[2], m[3]); 1365 } else 1366 ql_log(ql_log_warn, vha, 0x5003, 1367 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n ", 1368 mb[1], mb[2], mb[3]); 1369 1370 if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) && 1371 rd_reg_word(®24->mailbox7) & BIT_8) 1372 ha->isp_ops->mpi_fw_dump(vha, 1); 1373 ha->isp_ops->fw_dump(vha); 1374 ha->flags.fw_init_done = 0; 1375 QLA_FW_STOPPED(ha); 1376 1377 if (IS_FWI2_CAPABLE(ha)) { 1378 if (mb[1] == 0 && mb[2] == 0) { 1379 ql_log(ql_log_fatal, vha, 0x5004, 1380 "Unrecoverable Hardware Error: adapter " 1381 "marked OFFLINE!\n"); 1382 vha->flags.online = 0; 1383 vha->device_flags |= DFLG_DEV_FAILED; 1384 } else { 1385 /* Check to see if MPI timeout occurred */ 1386 if ((mbx & MBX_3) && (ha->port_no == 0)) 1387 set_bit(MPI_RESET_NEEDED, 1388 &vha->dpc_flags); 1389 1390 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1391 } 1392 } else if (mb[1] == 0) { 1393 ql_log(ql_log_fatal, vha, 0x5005, 1394 "Unrecoverable Hardware Error: adapter marked " 1395 "OFFLINE!\n"); 1396 vha->flags.online = 0; 1397 vha->device_flags |= DFLG_DEV_FAILED; 1398 } else 1399 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1400 break; 1401 1402 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 1403 ql_log(ql_log_warn, vha, 0x5006, 1404 "ISP Request Transfer Error (%x).\n", mb[1]); 1405 1406 vha->hw_err_cnt++; 1407 1408 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1409 break; 1410 1411 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 1412 ql_log(ql_log_warn, vha, 0x5007, 1413 "ISP Response Transfer Error (%x).\n", mb[1]); 1414 1415 vha->hw_err_cnt++; 1416 1417 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1418 break; 1419 1420 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 1421 ql_dbg(ql_dbg_async, vha, 0x5008, 1422 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 1423 break; 1424 1425 case MBA_LOOP_INIT_ERR: 1426 ql_log(ql_log_warn, vha, 0x5090, 1427 "LOOP INIT ERROR (%x).\n", mb[1]); 1428 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1429 break; 1430 1431 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 1432 ha->flags.lip_ae = 1; 1433 1434 ql_dbg(ql_dbg_async, vha, 0x5009, 1435 "LIP occurred (%x).\n", mb[1]); 1436 1437 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1438 atomic_set(&vha->loop_state, LOOP_DOWN); 1439 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1440 qla2x00_mark_all_devices_lost(vha); 1441 } 1442 1443 if (vha->vp_idx) { 1444 atomic_set(&vha->vp_state, VP_FAILED); 1445 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1446 } 1447 1448 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 1449 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 1450 1451 vha->flags.management_server_logged_in = 0; 1452 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 1453 break; 1454 1455 case MBA_LOOP_UP: /* Loop Up Event */ 1456 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1457 ha->link_data_rate = PORT_SPEED_1GB; 1458 else 1459 ha->link_data_rate = mb[1]; 1460 1461 ql_log(ql_log_info, vha, 0x500a, 1462 "LOOP UP detected (%s Gbps).\n", 1463 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 1464 1465 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1466 if (mb[2] & BIT_0) 1467 ql_log(ql_log_info, vha, 0x11a0, 1468 "FEC=enabled (link up).\n"); 1469 } 1470 1471 vha->flags.management_server_logged_in = 0; 1472 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 1473 1474 if (vha->link_down_time < vha->hw->port_down_retry_count) { 1475 vha->short_link_down_cnt++; 1476 vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 1477 } 1478 1479 break; 1480 1481 case MBA_LOOP_DOWN: /* Loop Down Event */ 1482 SAVE_TOPO(ha); 1483 ha->flags.lip_ae = 0; 1484 ha->current_topology = 0; 1485 vha->link_down_time = 0; 1486 1487 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 1488 ? rd_reg_word(®24->mailbox4) : 0; 1489 mbx = (IS_P3P_TYPE(ha)) ? rd_reg_word(®82->mailbox_out[4]) 1490 : mbx; 1491 ql_log(ql_log_info, vha, 0x500b, 1492 "LOOP DOWN detected (%x %x %x %x).\n", 1493 mb[1], mb[2], mb[3], mbx); 1494 1495 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1496 atomic_set(&vha->loop_state, LOOP_DOWN); 1497 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1498 /* 1499 * In case of loop down, restore WWPN from 1500 * NVRAM in case of FA-WWPN capable ISP 1501 * Restore for Physical Port only 1502 */ 1503 if (!vha->vp_idx) { 1504 if (ha->flags.fawwpn_enabled && 1505 (ha->current_topology == ISP_CFG_F)) { 1506 memcpy(vha->port_name, ha->port_name, WWN_SIZE); 1507 fc_host_port_name(vha->host) = 1508 wwn_to_u64(vha->port_name); 1509 ql_dbg(ql_dbg_init + ql_dbg_verbose, 1510 vha, 0x00d8, "LOOP DOWN detected," 1511 "restore WWPN %016llx\n", 1512 wwn_to_u64(vha->port_name)); 1513 } 1514 1515 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 1516 } 1517 1518 vha->device_flags |= DFLG_NO_CABLE; 1519 qla2x00_mark_all_devices_lost(vha); 1520 } 1521 1522 if (vha->vp_idx) { 1523 atomic_set(&vha->vp_state, VP_FAILED); 1524 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1525 } 1526 1527 vha->flags.management_server_logged_in = 0; 1528 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1529 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 1530 break; 1531 1532 case MBA_LIP_RESET: /* LIP reset occurred */ 1533 ql_dbg(ql_dbg_async, vha, 0x500c, 1534 "LIP reset occurred (%x).\n", mb[1]); 1535 1536 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1537 atomic_set(&vha->loop_state, LOOP_DOWN); 1538 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1539 qla2x00_mark_all_devices_lost(vha); 1540 } 1541 1542 if (vha->vp_idx) { 1543 atomic_set(&vha->vp_state, VP_FAILED); 1544 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1545 } 1546 1547 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1548 1549 ha->operating_mode = LOOP; 1550 vha->flags.management_server_logged_in = 0; 1551 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 1552 break; 1553 1554 /* case MBA_DCBX_COMPLETE: */ 1555 case MBA_POINT_TO_POINT: /* Point-to-Point */ 1556 ha->flags.lip_ae = 0; 1557 1558 if (IS_QLA2100(ha)) 1559 break; 1560 1561 if (IS_CNA_CAPABLE(ha)) { 1562 ql_dbg(ql_dbg_async, vha, 0x500d, 1563 "DCBX Completed -- %04x %04x %04x.\n", 1564 mb[1], mb[2], mb[3]); 1565 if (ha->notify_dcbx_comp && !vha->vp_idx) 1566 complete(&ha->dcbx_comp); 1567 1568 } else 1569 ql_dbg(ql_dbg_async, vha, 0x500e, 1570 "Asynchronous P2P MODE received.\n"); 1571 1572 /* 1573 * Until there's a transition from loop down to loop up, treat 1574 * this as loop down only. 1575 */ 1576 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1577 atomic_set(&vha->loop_state, LOOP_DOWN); 1578 if (!atomic_read(&vha->loop_down_timer)) 1579 atomic_set(&vha->loop_down_timer, 1580 LOOP_DOWN_TIME); 1581 if (!N2N_TOPO(ha)) 1582 qla2x00_mark_all_devices_lost(vha); 1583 } 1584 1585 if (vha->vp_idx) { 1586 atomic_set(&vha->vp_state, VP_FAILED); 1587 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1588 } 1589 1590 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 1591 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 1592 1593 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 1594 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 1595 1596 vha->flags.management_server_logged_in = 0; 1597 break; 1598 1599 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 1600 if (IS_QLA2100(ha)) 1601 break; 1602 1603 ql_dbg(ql_dbg_async, vha, 0x500f, 1604 "Configuration change detected: value=%x.\n", mb[1]); 1605 1606 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1607 atomic_set(&vha->loop_state, LOOP_DOWN); 1608 if (!atomic_read(&vha->loop_down_timer)) 1609 atomic_set(&vha->loop_down_timer, 1610 LOOP_DOWN_TIME); 1611 qla2x00_mark_all_devices_lost(vha); 1612 } 1613 1614 if (vha->vp_idx) { 1615 atomic_set(&vha->vp_state, VP_FAILED); 1616 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 1617 } 1618 1619 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1620 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1621 break; 1622 1623 case MBA_PORT_UPDATE: /* Port database update */ 1624 /* 1625 * Handle only global and vn-port update events 1626 * 1627 * Relevant inputs: 1628 * mb[1] = N_Port handle of changed port 1629 * OR 0xffff for global event 1630 * mb[2] = New login state 1631 * 7 = Port logged out 1632 * mb[3] = LSB is vp_idx, 0xff = all vps 1633 * 1634 * Skip processing if: 1635 * Event is global, vp_idx is NOT all vps, 1636 * vp_idx does not match 1637 * Event is not global, vp_idx does not match 1638 */ 1639 if (IS_QLA2XXX_MIDTYPE(ha) && 1640 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 1641 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 1642 break; 1643 1644 if (mb[2] == 0x7) { 1645 ql_dbg(ql_dbg_async, vha, 0x5010, 1646 "Port %s %04x %04x %04x.\n", 1647 mb[1] == 0xffff ? "unavailable" : "logout", 1648 mb[1], mb[2], mb[3]); 1649 1650 if (mb[1] == 0xffff) 1651 goto global_port_update; 1652 1653 if (mb[1] == NPH_SNS_LID(ha)) { 1654 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1655 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1656 break; 1657 } 1658 1659 /* use handle_cnt for loop id/nport handle */ 1660 if (IS_FWI2_CAPABLE(ha)) 1661 handle_cnt = NPH_SNS; 1662 else 1663 handle_cnt = SIMPLE_NAME_SERVER; 1664 if (mb[1] == handle_cnt) { 1665 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1666 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1667 break; 1668 } 1669 1670 /* Port logout */ 1671 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1672 if (!fcport) 1673 break; 1674 if (atomic_read(&fcport->state) != FCS_ONLINE) 1675 break; 1676 ql_dbg(ql_dbg_async, vha, 0x508a, 1677 "Marking port lost loopid=%04x portid=%06x.\n", 1678 fcport->loop_id, fcport->d_id.b24); 1679 if (qla_ini_mode_enabled(vha)) { 1680 fcport->logout_on_delete = 0; 1681 qlt_schedule_sess_for_deletion(fcport); 1682 } 1683 break; 1684 1685 global_port_update: 1686 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1687 atomic_set(&vha->loop_state, LOOP_DOWN); 1688 atomic_set(&vha->loop_down_timer, 1689 LOOP_DOWN_TIME); 1690 vha->device_flags |= DFLG_NO_CABLE; 1691 qla2x00_mark_all_devices_lost(vha); 1692 } 1693 1694 if (vha->vp_idx) { 1695 atomic_set(&vha->vp_state, VP_FAILED); 1696 fc_vport_set_state(vha->fc_vport, 1697 FC_VPORT_FAILED); 1698 qla2x00_mark_all_devices_lost(vha); 1699 } 1700 1701 vha->flags.management_server_logged_in = 0; 1702 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1703 break; 1704 } 1705 1706 /* 1707 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1708 * event etc. earlier indicating loop is down) then process 1709 * it. Otherwise ignore it and Wait for RSCN to come in. 1710 */ 1711 atomic_set(&vha->loop_down_timer, 0); 1712 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1713 !ha->flags.n2n_ae && 1714 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1715 ql_dbg(ql_dbg_async, vha, 0x5011, 1716 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1717 mb[1], mb[2], mb[3]); 1718 break; 1719 } 1720 1721 ql_dbg(ql_dbg_async, vha, 0x5012, 1722 "Port database changed %04x %04x %04x.\n", 1723 mb[1], mb[2], mb[3]); 1724 1725 /* 1726 * Mark all devices as missing so we will login again. 1727 */ 1728 atomic_set(&vha->loop_state, LOOP_UP); 1729 vha->scan.scan_retry = 0; 1730 1731 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1732 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1733 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1734 break; 1735 1736 case MBA_RSCN_UPDATE: /* State Change Registration */ 1737 /* Check if the Vport has issued a SCR */ 1738 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1739 break; 1740 /* Only handle SCNs for our Vport index. */ 1741 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1742 break; 1743 1744 ql_log(ql_log_warn, vha, 0x5013, 1745 "RSCN database changed -- %04x %04x %04x.\n", 1746 mb[1], mb[2], mb[3]); 1747 1748 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1749 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1750 | vha->d_id.b.al_pa; 1751 if (rscn_entry == host_pid) { 1752 ql_dbg(ql_dbg_async, vha, 0x5014, 1753 "Ignoring RSCN update to local host " 1754 "port ID (%06x).\n", host_pid); 1755 break; 1756 } 1757 1758 /* Ignore reserved bits from RSCN-payload. */ 1759 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1760 1761 /* Skip RSCNs for virtual ports on the same physical port */ 1762 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1763 break; 1764 1765 atomic_set(&vha->loop_down_timer, 0); 1766 vha->flags.management_server_logged_in = 0; 1767 { 1768 struct event_arg ea; 1769 1770 memset(&ea, 0, sizeof(ea)); 1771 ea.id.b24 = rscn_entry; 1772 ea.id.b.rsvd_1 = rscn_entry >> 24; 1773 qla2x00_handle_rscn(vha, &ea); 1774 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1775 } 1776 break; 1777 case MBA_CONGN_NOTI_RECV: 1778 if (!ha->flags.scm_enabled || 1779 mb[1] != QLA_CON_PRIMITIVE_RECEIVED) 1780 break; 1781 1782 if (mb[2] == QLA_CONGESTION_ARB_WARNING) { 1783 ql_dbg(ql_dbg_async, vha, 0x509b, 1784 "Congestion Warning %04x %04x.\n", mb[1], mb[2]); 1785 } else if (mb[2] == QLA_CONGESTION_ARB_ALARM) { 1786 ql_log(ql_log_warn, vha, 0x509b, 1787 "Congestion Alarm %04x %04x.\n", mb[1], mb[2]); 1788 } 1789 break; 1790 /* case MBA_RIO_RESPONSE: */ 1791 case MBA_ZIO_RESPONSE: 1792 ql_dbg(ql_dbg_async, vha, 0x5015, 1793 "[R|Z]IO update completion.\n"); 1794 1795 if (IS_FWI2_CAPABLE(ha)) 1796 qla24xx_process_response_queue(vha, rsp); 1797 else 1798 qla2x00_process_response_queue(rsp); 1799 break; 1800 1801 case MBA_DISCARD_RND_FRAME: 1802 ql_dbg(ql_dbg_async, vha, 0x5016, 1803 "Discard RND Frame -- %04x %04x %04x.\n", 1804 mb[1], mb[2], mb[3]); 1805 vha->interface_err_cnt++; 1806 break; 1807 1808 case MBA_TRACE_NOTIFICATION: 1809 ql_dbg(ql_dbg_async, vha, 0x5017, 1810 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1811 break; 1812 1813 case MBA_ISP84XX_ALERT: 1814 ql_dbg(ql_dbg_async, vha, 0x5018, 1815 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1816 mb[1], mb[2], mb[3]); 1817 1818 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1819 switch (mb[1]) { 1820 case A84_PANIC_RECOVERY: 1821 ql_log(ql_log_info, vha, 0x5019, 1822 "Alert 84XX: panic recovery %04x %04x.\n", 1823 mb[2], mb[3]); 1824 break; 1825 case A84_OP_LOGIN_COMPLETE: 1826 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1827 ql_log(ql_log_info, vha, 0x501a, 1828 "Alert 84XX: firmware version %x.\n", 1829 ha->cs84xx->op_fw_version); 1830 break; 1831 case A84_DIAG_LOGIN_COMPLETE: 1832 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1833 ql_log(ql_log_info, vha, 0x501b, 1834 "Alert 84XX: diagnostic firmware version %x.\n", 1835 ha->cs84xx->diag_fw_version); 1836 break; 1837 case A84_GOLD_LOGIN_COMPLETE: 1838 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1839 ha->cs84xx->fw_update = 1; 1840 ql_log(ql_log_info, vha, 0x501c, 1841 "Alert 84XX: gold firmware version %x.\n", 1842 ha->cs84xx->gold_fw_version); 1843 break; 1844 default: 1845 ql_log(ql_log_warn, vha, 0x501d, 1846 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1847 mb[1], mb[2], mb[3]); 1848 } 1849 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1850 break; 1851 case MBA_DCBX_START: 1852 ql_dbg(ql_dbg_async, vha, 0x501e, 1853 "DCBX Started -- %04x %04x %04x.\n", 1854 mb[1], mb[2], mb[3]); 1855 break; 1856 case MBA_DCBX_PARAM_UPDATE: 1857 ql_dbg(ql_dbg_async, vha, 0x501f, 1858 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1859 mb[1], mb[2], mb[3]); 1860 break; 1861 case MBA_FCF_CONF_ERR: 1862 ql_dbg(ql_dbg_async, vha, 0x5020, 1863 "FCF Configuration Error -- %04x %04x %04x.\n", 1864 mb[1], mb[2], mb[3]); 1865 break; 1866 case MBA_IDC_NOTIFY: 1867 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1868 mb[4] = rd_reg_word(®24->mailbox4); 1869 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1870 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1871 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1872 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1873 /* 1874 * Extend loop down timer since port is active. 1875 */ 1876 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1877 atomic_set(&vha->loop_down_timer, 1878 LOOP_DOWN_TIME); 1879 qla2xxx_wake_dpc(vha); 1880 } 1881 } 1882 fallthrough; 1883 case MBA_IDC_COMPLETE: 1884 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1885 complete(&ha->lb_portup_comp); 1886 fallthrough; 1887 case MBA_IDC_TIME_EXT: 1888 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1889 IS_QLA8044(ha)) 1890 qla81xx_idc_event(vha, mb[0], mb[1]); 1891 break; 1892 1893 case MBA_IDC_AEN: 1894 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1895 vha->hw_err_cnt++; 1896 qla27xx_handle_8200_aen(vha, mb); 1897 } else if (IS_QLA83XX(ha)) { 1898 mb[4] = rd_reg_word(®24->mailbox4); 1899 mb[5] = rd_reg_word(®24->mailbox5); 1900 mb[6] = rd_reg_word(®24->mailbox6); 1901 mb[7] = rd_reg_word(®24->mailbox7); 1902 qla83xx_handle_8200_aen(vha, mb); 1903 } else { 1904 ql_dbg(ql_dbg_async, vha, 0x5052, 1905 "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n", 1906 mb[0], mb[1], mb[2], mb[3]); 1907 } 1908 break; 1909 1910 case MBA_DPORT_DIAGNOSTICS: 1911 if ((mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_NOERR || 1912 (mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_ERR) 1913 vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS; 1914 ql_dbg(ql_dbg_async, vha, 0x5052, 1915 "D-Port Diagnostics: %04x %04x %04x %04x\n", 1916 mb[0], mb[1], mb[2], mb[3]); 1917 memcpy(vha->dport_data, mb, sizeof(vha->dport_data)); 1918 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1919 static char *results[] = { 1920 "start", "done(pass)", "done(error)", "undefined" }; 1921 static char *types[] = { 1922 "none", "dynamic", "static", "other" }; 1923 uint result = mb[1] >> 0 & 0x3; 1924 uint type = mb[1] >> 6 & 0x3; 1925 uint sw = mb[1] >> 15 & 0x1; 1926 ql_dbg(ql_dbg_async, vha, 0x5052, 1927 "D-Port Diagnostics: result=%s type=%s [sw=%u]\n", 1928 results[result], types[type], sw); 1929 if (result == 2) { 1930 static char *reasons[] = { 1931 "reserved", "unexpected reject", 1932 "unexpected phase", "retry exceeded", 1933 "timed out", "not supported", 1934 "user stopped" }; 1935 uint reason = mb[2] >> 0 & 0xf; 1936 uint phase = mb[2] >> 12 & 0xf; 1937 ql_dbg(ql_dbg_async, vha, 0x5052, 1938 "D-Port Diagnostics: reason=%s phase=%u \n", 1939 reason < 7 ? reasons[reason] : "other", 1940 phase >> 1); 1941 } 1942 } 1943 break; 1944 1945 case MBA_TEMPERATURE_ALERT: 1946 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) 1947 display_Laser_info(vha, mb[1], mb[2], mb[3]); 1948 ql_dbg(ql_dbg_async, vha, 0x505e, 1949 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1950 break; 1951 1952 case MBA_TRANS_INSERT: 1953 ql_dbg(ql_dbg_async, vha, 0x5091, 1954 "Transceiver Insertion: %04x\n", mb[1]); 1955 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 1956 break; 1957 1958 case MBA_TRANS_REMOVE: 1959 ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Removal\n"); 1960 break; 1961 1962 default: 1963 ql_dbg(ql_dbg_async, vha, 0x5057, 1964 "Unknown AEN:%04x %04x %04x %04x\n", 1965 mb[0], mb[1], mb[2], mb[3]); 1966 } 1967 1968 qlt_async_event(mb[0], vha, mb); 1969 1970 if (!vha->vp_idx && ha->num_vhosts) 1971 qla2x00_alert_all_vps(rsp, mb); 1972 } 1973 1974 /** 1975 * qla2x00_process_completed_request() - Process a Fast Post response. 1976 * @vha: SCSI driver HA context 1977 * @req: request queue 1978 * @index: SRB index 1979 */ 1980 void qla2x00_process_completed_request(struct scsi_qla_host * vha,struct req_que * req,uint32_t index)1981 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1982 struct req_que *req, uint32_t index) 1983 { 1984 srb_t *sp; 1985 struct qla_hw_data *ha = vha->hw; 1986 1987 /* Validate handle. */ 1988 if (index >= req->num_outstanding_cmds) { 1989 ql_log(ql_log_warn, vha, 0x3014, 1990 "Invalid SCSI command index (%x).\n", index); 1991 1992 if (IS_P3P_TYPE(ha)) 1993 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1994 else 1995 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1996 return; 1997 } 1998 1999 sp = req->outstanding_cmds[index]; 2000 if (sp) { 2001 /* Free outstanding command slot. */ 2002 req->outstanding_cmds[index] = NULL; 2003 2004 /* Save ISP completion status */ 2005 sp->done(sp, DID_OK << 16); 2006 } else { 2007 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 2008 2009 if (IS_P3P_TYPE(ha)) 2010 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2011 else 2012 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2013 } 2014 } 2015 2016 static srb_t * qla_get_sp_from_handle(scsi_qla_host_t * vha,const char * func,struct req_que * req,void * iocb,u16 * ret_index)2017 qla_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 2018 struct req_que *req, void *iocb, u16 *ret_index) 2019 { 2020 struct qla_hw_data *ha = vha->hw; 2021 sts_entry_t *pkt = iocb; 2022 srb_t *sp; 2023 uint16_t index; 2024 2025 if (pkt->handle == QLA_SKIP_HANDLE) 2026 return NULL; 2027 2028 index = LSW(pkt->handle); 2029 if (index >= req->num_outstanding_cmds) { 2030 ql_log(ql_log_warn, vha, 0x5031, 2031 "%s: Invalid command index (%x) type %8ph.\n", 2032 func, index, iocb); 2033 if (IS_P3P_TYPE(ha)) 2034 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2035 else 2036 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2037 return NULL; 2038 } 2039 sp = req->outstanding_cmds[index]; 2040 if (!sp) { 2041 ql_log(ql_log_warn, vha, 0x5032, 2042 "%s: Invalid completion handle (%x) -- timed-out.\n", 2043 func, index); 2044 return NULL; 2045 } 2046 if (sp->handle != index) { 2047 ql_log(ql_log_warn, vha, 0x5033, 2048 "%s: SRB handle (%x) mismatch %x.\n", func, 2049 sp->handle, index); 2050 return NULL; 2051 } 2052 2053 *ret_index = index; 2054 qla_put_fw_resources(sp->qpair, &sp->iores); 2055 return sp; 2056 } 2057 2058 srb_t * qla2x00_get_sp_from_handle(scsi_qla_host_t * vha,const char * func,struct req_que * req,void * iocb)2059 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 2060 struct req_que *req, void *iocb) 2061 { 2062 uint16_t index; 2063 srb_t *sp; 2064 2065 sp = qla_get_sp_from_handle(vha, func, req, iocb, &index); 2066 if (sp) 2067 req->outstanding_cmds[index] = NULL; 2068 2069 return sp; 2070 } 2071 2072 static void qla2x00_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_entry * mbx)2073 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2074 struct mbx_entry *mbx) 2075 { 2076 const char func[] = "MBX-IOCB"; 2077 const char *type; 2078 fc_port_t *fcport; 2079 srb_t *sp; 2080 struct srb_iocb *lio; 2081 uint16_t *data; 2082 uint16_t status; 2083 2084 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 2085 if (!sp) 2086 return; 2087 2088 lio = &sp->u.iocb_cmd; 2089 type = sp->name; 2090 fcport = sp->fcport; 2091 data = lio->u.logio.data; 2092 2093 data[0] = MBS_COMMAND_ERROR; 2094 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 2095 QLA_LOGIO_LOGIN_RETRIED : 0; 2096 if (mbx->entry_status) { 2097 ql_dbg(ql_dbg_async, vha, 0x5043, 2098 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 2099 "entry-status=%x status=%x state-flag=%x " 2100 "status-flags=%x.\n", type, sp->handle, 2101 fcport->d_id.b.domain, fcport->d_id.b.area, 2102 fcport->d_id.b.al_pa, mbx->entry_status, 2103 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 2104 le16_to_cpu(mbx->status_flags)); 2105 2106 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 2107 mbx, sizeof(*mbx)); 2108 2109 goto logio_done; 2110 } 2111 2112 status = le16_to_cpu(mbx->status); 2113 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 2114 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 2115 status = 0; 2116 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 2117 ql_dbg(ql_dbg_async, vha, 0x5045, 2118 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 2119 type, sp->handle, fcport->d_id.b.domain, 2120 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2121 le16_to_cpu(mbx->mb1)); 2122 2123 data[0] = MBS_COMMAND_COMPLETE; 2124 if (sp->type == SRB_LOGIN_CMD) { 2125 fcport->port_type = FCT_TARGET; 2126 if (le16_to_cpu(mbx->mb1) & BIT_0) 2127 fcport->port_type = FCT_INITIATOR; 2128 else if (le16_to_cpu(mbx->mb1) & BIT_1) 2129 fcport->flags |= FCF_FCP2_DEVICE; 2130 } 2131 goto logio_done; 2132 } 2133 2134 data[0] = le16_to_cpu(mbx->mb0); 2135 switch (data[0]) { 2136 case MBS_PORT_ID_USED: 2137 data[1] = le16_to_cpu(mbx->mb1); 2138 break; 2139 case MBS_LOOP_ID_USED: 2140 break; 2141 default: 2142 data[0] = MBS_COMMAND_ERROR; 2143 break; 2144 } 2145 2146 ql_log(ql_log_warn, vha, 0x5046, 2147 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 2148 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 2149 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 2150 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 2151 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 2152 le16_to_cpu(mbx->mb7)); 2153 2154 logio_done: 2155 sp->done(sp, 0); 2156 } 2157 2158 static void qla24xx_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_24xx_entry * pkt)2159 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2160 struct mbx_24xx_entry *pkt) 2161 { 2162 const char func[] = "MBX-IOCB2"; 2163 struct qla_hw_data *ha = vha->hw; 2164 srb_t *sp; 2165 struct srb_iocb *si; 2166 u16 sz, i; 2167 int res; 2168 2169 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2170 if (!sp) 2171 return; 2172 2173 if (sp->type == SRB_SCSI_CMD || 2174 sp->type == SRB_NVME_CMD || 2175 sp->type == SRB_TM_CMD) { 2176 ql_log(ql_log_warn, vha, 0x509d, 2177 "Inconsistent event entry type %d\n", sp->type); 2178 if (IS_P3P_TYPE(ha)) 2179 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2180 else 2181 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2182 return; 2183 } 2184 2185 si = &sp->u.iocb_cmd; 2186 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 2187 2188 for (i = 0; i < sz; i++) 2189 si->u.mbx.in_mb[i] = pkt->mb[i]; 2190 2191 res = (si->u.mbx.in_mb[0] & MBS_MASK); 2192 2193 sp->done(sp, res); 2194 } 2195 2196 static void qla24xxx_nack_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct nack_to_isp * pkt)2197 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2198 struct nack_to_isp *pkt) 2199 { 2200 const char func[] = "nack"; 2201 srb_t *sp; 2202 int res = 0; 2203 2204 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2205 if (!sp) 2206 return; 2207 2208 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 2209 res = QLA_FUNCTION_FAILED; 2210 2211 sp->done(sp, res); 2212 } 2213 2214 static void qla2x00_ct_entry(scsi_qla_host_t * vha,struct req_que * req,sts_entry_t * pkt,int iocb_type)2215 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 2216 sts_entry_t *pkt, int iocb_type) 2217 { 2218 const char func[] = "CT_IOCB"; 2219 const char *type; 2220 srb_t *sp; 2221 struct bsg_job *bsg_job; 2222 struct fc_bsg_reply *bsg_reply; 2223 uint16_t comp_status; 2224 int res = 0; 2225 2226 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2227 if (!sp) 2228 return; 2229 2230 switch (sp->type) { 2231 case SRB_CT_CMD: 2232 bsg_job = sp->u.bsg_job; 2233 bsg_reply = bsg_job->reply; 2234 2235 type = "ct pass-through"; 2236 2237 comp_status = le16_to_cpu(pkt->comp_status); 2238 2239 /* 2240 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 2241 * fc payload to the caller 2242 */ 2243 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 2244 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2245 2246 if (comp_status != CS_COMPLETE) { 2247 if (comp_status == CS_DATA_UNDERRUN) { 2248 res = DID_OK << 16; 2249 bsg_reply->reply_payload_rcv_len = 2250 le16_to_cpu(pkt->rsp_info_len); 2251 2252 ql_log(ql_log_warn, vha, 0x5048, 2253 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 2254 type, comp_status, 2255 bsg_reply->reply_payload_rcv_len); 2256 } else { 2257 ql_log(ql_log_warn, vha, 0x5049, 2258 "CT pass-through-%s error comp_status=0x%x.\n", 2259 type, comp_status); 2260 res = DID_ERROR << 16; 2261 bsg_reply->reply_payload_rcv_len = 0; 2262 } 2263 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 2264 pkt, sizeof(*pkt)); 2265 } else { 2266 res = DID_OK << 16; 2267 bsg_reply->reply_payload_rcv_len = 2268 bsg_job->reply_payload.payload_len; 2269 bsg_job->reply_len = 0; 2270 } 2271 break; 2272 case SRB_CT_PTHRU_CMD: 2273 /* 2274 * borrowing sts_entry_24xx.comp_status. 2275 * same location as ct_entry_24xx.comp_status 2276 */ 2277 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 2278 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 2279 sp->name); 2280 break; 2281 } 2282 2283 sp->done(sp, res); 2284 } 2285 2286 static void qla24xx_els_ct_entry(scsi_qla_host_t * v,struct req_que * req,struct sts_entry_24xx * pkt,int iocb_type)2287 qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req, 2288 struct sts_entry_24xx *pkt, int iocb_type) 2289 { 2290 struct els_sts_entry_24xx *ese = (struct els_sts_entry_24xx *)pkt; 2291 const char func[] = "ELS_CT_IOCB"; 2292 const char *type; 2293 srb_t *sp; 2294 struct bsg_job *bsg_job; 2295 struct fc_bsg_reply *bsg_reply; 2296 uint16_t comp_status; 2297 uint32_t fw_status[3]; 2298 int res, logit = 1; 2299 struct srb_iocb *els; 2300 uint n; 2301 scsi_qla_host_t *vha; 2302 struct els_sts_entry_24xx *e = (struct els_sts_entry_24xx *)pkt; 2303 2304 sp = qla2x00_get_sp_from_handle(v, func, req, pkt); 2305 if (!sp) 2306 return; 2307 bsg_job = sp->u.bsg_job; 2308 vha = sp->vha; 2309 2310 type = NULL; 2311 2312 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 2313 fw_status[1] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1); 2314 fw_status[2] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2); 2315 2316 switch (sp->type) { 2317 case SRB_ELS_CMD_RPT: 2318 case SRB_ELS_CMD_HST: 2319 type = "rpt hst"; 2320 break; 2321 case SRB_ELS_CMD_HST_NOLOGIN: 2322 type = "els"; 2323 { 2324 struct els_entry_24xx *els = (void *)pkt; 2325 struct qla_bsg_auth_els_request *p = 2326 (struct qla_bsg_auth_els_request *)bsg_job->request; 2327 2328 ql_dbg(ql_dbg_user, vha, 0x700f, 2329 "%s %s. portid=%02x%02x%02x status %x xchg %x bsg ptr %p\n", 2330 __func__, sc_to_str(p->e.sub_cmd), 2331 e->d_id[2], e->d_id[1], e->d_id[0], 2332 comp_status, p->e.extra_rx_xchg_address, bsg_job); 2333 2334 if (!(le16_to_cpu(els->control_flags) & ECF_PAYLOAD_DESCR_MASK)) { 2335 if (sp->remap.remapped) { 2336 n = sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 2337 bsg_job->reply_payload.sg_cnt, 2338 sp->remap.rsp.buf, 2339 sp->remap.rsp.len); 2340 ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x700e, 2341 "%s: SG copied %x of %x\n", 2342 __func__, n, sp->remap.rsp.len); 2343 } else { 2344 ql_dbg(ql_dbg_user, vha, 0x700f, 2345 "%s: NOT REMAPPED (error)...!!!\n", 2346 __func__); 2347 } 2348 } 2349 } 2350 break; 2351 case SRB_CT_CMD: 2352 type = "ct pass-through"; 2353 break; 2354 case SRB_ELS_DCMD: 2355 type = "Driver ELS logo"; 2356 if (iocb_type != ELS_IOCB_TYPE) { 2357 ql_dbg(ql_dbg_user, vha, 0x5047, 2358 "Completing %s: (%p) type=%d.\n", 2359 type, sp, sp->type); 2360 sp->done(sp, 0); 2361 return; 2362 } 2363 break; 2364 case SRB_CT_PTHRU_CMD: 2365 /* borrowing sts_entry_24xx.comp_status. 2366 same location as ct_entry_24xx.comp_status 2367 */ 2368 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 2369 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 2370 sp->name); 2371 sp->done(sp, res); 2372 return; 2373 default: 2374 ql_dbg(ql_dbg_user, vha, 0x503e, 2375 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 2376 return; 2377 } 2378 2379 if (iocb_type == ELS_IOCB_TYPE) { 2380 els = &sp->u.iocb_cmd; 2381 els->u.els_plogi.fw_status[0] = cpu_to_le32(fw_status[0]); 2382 els->u.els_plogi.fw_status[1] = cpu_to_le32(fw_status[1]); 2383 els->u.els_plogi.fw_status[2] = cpu_to_le32(fw_status[2]); 2384 els->u.els_plogi.comp_status = cpu_to_le16(fw_status[0]); 2385 if (comp_status == CS_COMPLETE) { 2386 res = DID_OK << 16; 2387 } else { 2388 if (comp_status == CS_DATA_UNDERRUN) { 2389 res = DID_OK << 16; 2390 els->u.els_plogi.len = cpu_to_le16(le32_to_cpu( 2391 ese->total_byte_count)); 2392 2393 if (sp->remap.remapped && 2394 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_ACC) { 2395 ql_dbg(ql_dbg_user, vha, 0x503f, 2396 "%s IOCB Done LS_ACC %02x%02x%02x -> %02x%02x%02x", 2397 __func__, e->s_id[0], e->s_id[2], e->s_id[1], 2398 e->d_id[2], e->d_id[1], e->d_id[0]); 2399 logit = 0; 2400 } 2401 2402 } else if (comp_status == CS_PORT_LOGGED_OUT) { 2403 ql_dbg(ql_dbg_disc, vha, 0x911e, 2404 "%s %d schedule session deletion\n", 2405 __func__, __LINE__); 2406 2407 els->u.els_plogi.len = 0; 2408 res = DID_IMM_RETRY << 16; 2409 qlt_schedule_sess_for_deletion(sp->fcport); 2410 } else { 2411 els->u.els_plogi.len = 0; 2412 res = DID_ERROR << 16; 2413 } 2414 2415 if (sp->remap.remapped && 2416 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_RJT) { 2417 if (logit) { 2418 ql_dbg(ql_dbg_user, vha, 0x503f, 2419 "%s IOCB Done LS_RJT hdl=%x comp_status=0x%x\n", 2420 type, sp->handle, comp_status); 2421 2422 ql_dbg(ql_dbg_user, vha, 0x503f, 2423 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", 2424 fw_status[1], fw_status[2], 2425 le32_to_cpu(((struct els_sts_entry_24xx *) 2426 pkt)->total_byte_count), 2427 e->s_id[0], e->s_id[2], e->s_id[1], 2428 e->d_id[2], e->d_id[1], e->d_id[0]); 2429 } 2430 if (sp->fcport && sp->fcport->flags & FCF_FCSP_DEVICE && 2431 sp->type == SRB_ELS_CMD_HST_NOLOGIN) { 2432 ql_dbg(ql_dbg_edif, vha, 0x911e, 2433 "%s rcv reject. Sched delete\n", __func__); 2434 qlt_schedule_sess_for_deletion(sp->fcport); 2435 } 2436 } else if (logit) { 2437 ql_log(ql_log_info, vha, 0x503f, 2438 "%s IOCB Done hdl=%x comp_status=0x%x\n", 2439 type, sp->handle, comp_status); 2440 ql_log(ql_log_info, vha, 0x503f, 2441 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", 2442 fw_status[1], fw_status[2], 2443 le32_to_cpu(((struct els_sts_entry_24xx *) 2444 pkt)->total_byte_count), 2445 e->s_id[0], e->s_id[2], e->s_id[1], 2446 e->d_id[2], e->d_id[1], e->d_id[0]); 2447 } 2448 } 2449 goto els_ct_done; 2450 } 2451 2452 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 2453 * fc payload to the caller 2454 */ 2455 bsg_job = sp->u.bsg_job; 2456 bsg_reply = bsg_job->reply; 2457 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 2458 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 2459 2460 if (comp_status != CS_COMPLETE) { 2461 if (comp_status == CS_DATA_UNDERRUN) { 2462 res = DID_OK << 16; 2463 bsg_reply->reply_payload_rcv_len = 2464 le32_to_cpu(ese->total_byte_count); 2465 2466 ql_dbg(ql_dbg_user, vha, 0x503f, 2467 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 2468 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 2469 type, sp->handle, comp_status, fw_status[1], fw_status[2], 2470 le32_to_cpu(ese->total_byte_count)); 2471 } else { 2472 ql_dbg(ql_dbg_user, vha, 0x5040, 2473 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 2474 "error subcode 1=0x%x error subcode 2=0x%x.\n", 2475 type, sp->handle, comp_status, 2476 le32_to_cpu(ese->error_subcode_1), 2477 le32_to_cpu(ese->error_subcode_2)); 2478 res = DID_ERROR << 16; 2479 bsg_reply->reply_payload_rcv_len = 0; 2480 } 2481 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 2482 fw_status, sizeof(fw_status)); 2483 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 2484 pkt, sizeof(*pkt)); 2485 } 2486 else { 2487 res = DID_OK << 16; 2488 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 2489 bsg_job->reply_len = 0; 2490 } 2491 els_ct_done: 2492 2493 sp->done(sp, res); 2494 } 2495 2496 static void qla24xx_logio_entry(scsi_qla_host_t * vha,struct req_que * req,struct logio_entry_24xx * logio)2497 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 2498 struct logio_entry_24xx *logio) 2499 { 2500 const char func[] = "LOGIO-IOCB"; 2501 const char *type; 2502 fc_port_t *fcport; 2503 srb_t *sp; 2504 struct srb_iocb *lio; 2505 uint16_t *data; 2506 uint32_t iop[2]; 2507 int logit = 1; 2508 2509 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 2510 if (!sp) 2511 return; 2512 2513 lio = &sp->u.iocb_cmd; 2514 type = sp->name; 2515 fcport = sp->fcport; 2516 data = lio->u.logio.data; 2517 2518 data[0] = MBS_COMMAND_ERROR; 2519 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 2520 QLA_LOGIO_LOGIN_RETRIED : 0; 2521 if (logio->entry_status) { 2522 ql_log(ql_log_warn, fcport->vha, 0x5034, 2523 "Async-%s error entry - %8phC hdl=%x" 2524 "portid=%02x%02x%02x entry-status=%x.\n", 2525 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 2526 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2527 logio->entry_status); 2528 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 2529 logio, sizeof(*logio)); 2530 2531 goto logio_done; 2532 } 2533 2534 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 2535 ql_dbg(ql_dbg_async, sp->vha, 0x5036, 2536 "Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n", 2537 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2538 le32_to_cpu(logio->io_parameter[0])); 2539 2540 vha->hw->exch_starvation = 0; 2541 data[0] = MBS_COMMAND_COMPLETE; 2542 2543 if (sp->type == SRB_PRLI_CMD) { 2544 lio->u.logio.iop[0] = 2545 le32_to_cpu(logio->io_parameter[0]); 2546 lio->u.logio.iop[1] = 2547 le32_to_cpu(logio->io_parameter[1]); 2548 goto logio_done; 2549 } 2550 2551 if (sp->type != SRB_LOGIN_CMD) 2552 goto logio_done; 2553 2554 lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[5]); 2555 if (le32_to_cpu(logio->io_parameter[5]) & LIO_COMM_FEAT_FCSP) 2556 fcport->flags |= FCF_FCSP_DEVICE; 2557 2558 iop[0] = le32_to_cpu(logio->io_parameter[0]); 2559 if (iop[0] & BIT_4) { 2560 fcport->port_type = FCT_TARGET; 2561 if (iop[0] & BIT_8) 2562 fcport->flags |= FCF_FCP2_DEVICE; 2563 } else if (iop[0] & BIT_5) 2564 fcport->port_type = FCT_INITIATOR; 2565 2566 if (iop[0] & BIT_7) 2567 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 2568 2569 if (logio->io_parameter[7] || logio->io_parameter[8]) 2570 fcport->supported_classes |= FC_COS_CLASS2; 2571 if (logio->io_parameter[9] || logio->io_parameter[10]) 2572 fcport->supported_classes |= FC_COS_CLASS3; 2573 2574 goto logio_done; 2575 } 2576 2577 iop[0] = le32_to_cpu(logio->io_parameter[0]); 2578 iop[1] = le32_to_cpu(logio->io_parameter[1]); 2579 lio->u.logio.iop[0] = iop[0]; 2580 lio->u.logio.iop[1] = iop[1]; 2581 switch (iop[0]) { 2582 case LSC_SCODE_PORTID_USED: 2583 data[0] = MBS_PORT_ID_USED; 2584 data[1] = LSW(iop[1]); 2585 logit = 0; 2586 break; 2587 case LSC_SCODE_NPORT_USED: 2588 data[0] = MBS_LOOP_ID_USED; 2589 logit = 0; 2590 break; 2591 case LSC_SCODE_CMD_FAILED: 2592 if (iop[1] == 0x0606) { 2593 /* 2594 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 2595 * Target side acked. 2596 */ 2597 data[0] = MBS_COMMAND_COMPLETE; 2598 goto logio_done; 2599 } 2600 data[0] = MBS_COMMAND_ERROR; 2601 break; 2602 case LSC_SCODE_NOXCB: 2603 vha->hw->exch_starvation++; 2604 if (vha->hw->exch_starvation > 5) { 2605 ql_log(ql_log_warn, vha, 0xd046, 2606 "Exchange starvation. Resetting RISC\n"); 2607 2608 vha->hw->exch_starvation = 0; 2609 2610 if (IS_P3P_TYPE(vha->hw)) 2611 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2612 else 2613 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2614 qla2xxx_wake_dpc(vha); 2615 } 2616 fallthrough; 2617 default: 2618 data[0] = MBS_COMMAND_ERROR; 2619 break; 2620 } 2621 2622 if (logit) 2623 ql_log(ql_log_warn, sp->vha, 0x5037, "Async-%s failed: " 2624 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", 2625 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2626 le16_to_cpu(logio->comp_status), 2627 le32_to_cpu(logio->io_parameter[0]), 2628 le32_to_cpu(logio->io_parameter[1])); 2629 else 2630 ql_dbg(ql_dbg_disc, sp->vha, 0x5037, "Async-%s failed: " 2631 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", 2632 type, sp->handle, fcport->d_id.b24, fcport->port_name, 2633 le16_to_cpu(logio->comp_status), 2634 le32_to_cpu(logio->io_parameter[0]), 2635 le32_to_cpu(logio->io_parameter[1])); 2636 2637 logio_done: 2638 sp->done(sp, 0); 2639 } 2640 2641 static void qla24xx_tm_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk)2642 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 2643 { 2644 const char func[] = "TMF-IOCB"; 2645 const char *type; 2646 fc_port_t *fcport; 2647 srb_t *sp; 2648 struct srb_iocb *iocb; 2649 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2650 u16 comp_status; 2651 2652 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 2653 if (!sp) 2654 return; 2655 2656 comp_status = le16_to_cpu(sts->comp_status); 2657 iocb = &sp->u.iocb_cmd; 2658 type = sp->name; 2659 fcport = sp->fcport; 2660 iocb->u.tmf.data = QLA_SUCCESS; 2661 2662 if (sts->entry_status) { 2663 ql_log(ql_log_warn, fcport->vha, 0x5038, 2664 "Async-%s error - hdl=%x entry-status(%x).\n", 2665 type, sp->handle, sts->entry_status); 2666 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2667 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 2668 ql_log(ql_log_warn, fcport->vha, 0x5039, 2669 "Async-%s error - hdl=%x completion status(%x).\n", 2670 type, sp->handle, comp_status); 2671 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2672 } else if ((le16_to_cpu(sts->scsi_status) & 2673 SS_RESPONSE_INFO_LEN_VALID)) { 2674 host_to_fcp_swap(sts->data, sizeof(sts->data)); 2675 if (le32_to_cpu(sts->rsp_data_len) < 4) { 2676 ql_log(ql_log_warn, fcport->vha, 0x503b, 2677 "Async-%s error - hdl=%x not enough response(%d).\n", 2678 type, sp->handle, sts->rsp_data_len); 2679 } else if (sts->data[3]) { 2680 ql_log(ql_log_warn, fcport->vha, 0x503c, 2681 "Async-%s error - hdl=%x response(%x).\n", 2682 type, sp->handle, sts->data[3]); 2683 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 2684 } 2685 } 2686 2687 switch (comp_status) { 2688 case CS_PORT_LOGGED_OUT: 2689 case CS_PORT_CONFIG_CHG: 2690 case CS_PORT_BUSY: 2691 case CS_INCOMPLETE: 2692 case CS_PORT_UNAVAILABLE: 2693 case CS_RESET: 2694 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2695 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2696 "-Port to be marked lost on fcport=%02x%02x%02x, current port state= %s comp_status %x.\n", 2697 fcport->d_id.b.domain, fcport->d_id.b.area, 2698 fcport->d_id.b.al_pa, 2699 port_state_str[FCS_ONLINE], 2700 comp_status); 2701 2702 qlt_schedule_sess_for_deletion(fcport); 2703 } 2704 break; 2705 2706 default: 2707 break; 2708 } 2709 2710 if (iocb->u.tmf.data != QLA_SUCCESS) 2711 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, 2712 sts, sizeof(*sts)); 2713 2714 sp->done(sp, 0); 2715 } 2716 qla24xx_nvme_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk,srb_t * sp)2717 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2718 void *tsk, srb_t *sp) 2719 { 2720 fc_port_t *fcport; 2721 struct srb_iocb *iocb; 2722 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 2723 uint16_t state_flags; 2724 struct nvmefc_fcp_req *fd; 2725 uint16_t ret = QLA_SUCCESS; 2726 __le16 comp_status = sts->comp_status; 2727 int logit = 0; 2728 2729 iocb = &sp->u.iocb_cmd; 2730 fcport = sp->fcport; 2731 iocb->u.nvme.comp_status = comp_status; 2732 state_flags = le16_to_cpu(sts->state_flags); 2733 fd = iocb->u.nvme.desc; 2734 2735 if (unlikely(iocb->u.nvme.aen_op)) 2736 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 2737 else 2738 sp->qpair->cmd_completion_cnt++; 2739 2740 if (unlikely(comp_status != CS_COMPLETE)) 2741 logit = 1; 2742 2743 fd->transferred_length = fd->payload_length - 2744 le32_to_cpu(sts->residual_len); 2745 2746 /* 2747 * State flags: Bit 6 and 0. 2748 * If 0 is set, we don't care about 6. 2749 * both cases resp was dma'd to host buffer 2750 * if both are 0, that is good path case. 2751 * if six is set and 0 is clear, we need to 2752 * copy resp data from status iocb to resp buffer. 2753 */ 2754 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 2755 iocb->u.nvme.rsp_pyld_len = 0; 2756 } else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) == 2757 (SF_FCP_RSP_DMA | SF_NVME_ERSP)) { 2758 /* Response already DMA'd to fd->rspaddr. */ 2759 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; 2760 } else if ((state_flags & SF_FCP_RSP_DMA)) { 2761 /* 2762 * Non-zero value in first 12 bytes of NVMe_RSP IU, treat this 2763 * as an error. 2764 */ 2765 iocb->u.nvme.rsp_pyld_len = 0; 2766 fd->transferred_length = 0; 2767 ql_dbg(ql_dbg_io, fcport->vha, 0x307a, 2768 "Unexpected values in NVMe_RSP IU.\n"); 2769 logit = 1; 2770 } else if (state_flags & SF_NVME_ERSP) { 2771 uint32_t *inbuf, *outbuf; 2772 uint16_t iter; 2773 2774 inbuf = (uint32_t *)&sts->nvme_ersp_data; 2775 outbuf = (uint32_t *)fd->rspaddr; 2776 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; 2777 if (unlikely(le16_to_cpu(iocb->u.nvme.rsp_pyld_len) > 2778 sizeof(struct nvme_fc_ersp_iu))) { 2779 if (ql_mask_match(ql_dbg_io)) { 2780 WARN_ONCE(1, "Unexpected response payload length %u.\n", 2781 iocb->u.nvme.rsp_pyld_len); 2782 ql_log(ql_log_warn, fcport->vha, 0x5100, 2783 "Unexpected response payload length %u.\n", 2784 iocb->u.nvme.rsp_pyld_len); 2785 } 2786 iocb->u.nvme.rsp_pyld_len = 2787 cpu_to_le16(sizeof(struct nvme_fc_ersp_iu)); 2788 } 2789 iter = le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >> 2; 2790 for (; iter; iter--) 2791 *outbuf++ = swab32(*inbuf++); 2792 } 2793 2794 if (state_flags & SF_NVME_ERSP) { 2795 struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr; 2796 u32 tgt_xfer_len; 2797 2798 tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len); 2799 if (fd->transferred_length != tgt_xfer_len) { 2800 ql_log(ql_log_warn, fcport->vha, 0x3079, 2801 "Dropped frame(s) detected (sent/rcvd=%u/%u).\n", 2802 tgt_xfer_len, fd->transferred_length); 2803 logit = 1; 2804 } else if (le16_to_cpu(comp_status) == CS_DATA_UNDERRUN) { 2805 /* 2806 * Do not log if this is just an underflow and there 2807 * is no data loss. 2808 */ 2809 logit = 0; 2810 } 2811 } 2812 2813 if (unlikely(logit)) 2814 ql_dbg(ql_dbg_io, fcport->vha, 0x5060, 2815 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 2816 sp->name, sp->handle, comp_status, 2817 fd->transferred_length, le32_to_cpu(sts->residual_len), 2818 sts->ox_id); 2819 2820 /* 2821 * If transport error then Failure (HBA rejects request) 2822 * otherwise transport will handle. 2823 */ 2824 switch (le16_to_cpu(comp_status)) { 2825 case CS_COMPLETE: 2826 break; 2827 2828 case CS_RESET: 2829 case CS_PORT_UNAVAILABLE: 2830 case CS_PORT_LOGGED_OUT: 2831 fcport->nvme_flag |= NVME_FLAG_RESETTING; 2832 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2833 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2834 "Port to be marked lost on fcport=%06x, current " 2835 "port state= %s comp_status %x.\n", 2836 fcport->d_id.b24, port_state_str[FCS_ONLINE], 2837 comp_status); 2838 2839 qlt_schedule_sess_for_deletion(fcport); 2840 } 2841 fallthrough; 2842 case CS_ABORTED: 2843 case CS_PORT_BUSY: 2844 fd->transferred_length = 0; 2845 iocb->u.nvme.rsp_pyld_len = 0; 2846 ret = QLA_ABORTED; 2847 break; 2848 case CS_DATA_UNDERRUN: 2849 break; 2850 default: 2851 ret = QLA_FUNCTION_FAILED; 2852 break; 2853 } 2854 sp->done(sp, ret); 2855 } 2856 qla_ctrlvp_completed(scsi_qla_host_t * vha,struct req_que * req,struct vp_ctrl_entry_24xx * vce)2857 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 2858 struct vp_ctrl_entry_24xx *vce) 2859 { 2860 const char func[] = "CTRLVP-IOCB"; 2861 srb_t *sp; 2862 int rval = QLA_SUCCESS; 2863 2864 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 2865 if (!sp) 2866 return; 2867 2868 if (vce->entry_status != 0) { 2869 ql_dbg(ql_dbg_vport, vha, 0x10c4, 2870 "%s: Failed to complete IOCB -- error status (%x)\n", 2871 sp->name, vce->entry_status); 2872 rval = QLA_FUNCTION_FAILED; 2873 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 2874 ql_dbg(ql_dbg_vport, vha, 0x10c5, 2875 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 2876 sp->name, le16_to_cpu(vce->comp_status), 2877 le16_to_cpu(vce->vp_idx_failed)); 2878 rval = QLA_FUNCTION_FAILED; 2879 } else { 2880 ql_dbg(ql_dbg_vport, vha, 0x10c6, 2881 "Done %s.\n", __func__); 2882 } 2883 2884 sp->rc = rval; 2885 sp->done(sp, rval); 2886 } 2887 2888 /* Process a single response queue entry. */ qla2x00_process_response_entry(struct scsi_qla_host * vha,struct rsp_que * rsp,sts_entry_t * pkt)2889 static void qla2x00_process_response_entry(struct scsi_qla_host *vha, 2890 struct rsp_que *rsp, 2891 sts_entry_t *pkt) 2892 { 2893 sts21_entry_t *sts21_entry; 2894 sts22_entry_t *sts22_entry; 2895 uint16_t handle_cnt; 2896 uint16_t cnt; 2897 2898 switch (pkt->entry_type) { 2899 case STATUS_TYPE: 2900 qla2x00_status_entry(vha, rsp, pkt); 2901 break; 2902 case STATUS_TYPE_21: 2903 sts21_entry = (sts21_entry_t *)pkt; 2904 handle_cnt = sts21_entry->handle_count; 2905 for (cnt = 0; cnt < handle_cnt; cnt++) 2906 qla2x00_process_completed_request(vha, rsp->req, 2907 sts21_entry->handle[cnt]); 2908 break; 2909 case STATUS_TYPE_22: 2910 sts22_entry = (sts22_entry_t *)pkt; 2911 handle_cnt = sts22_entry->handle_count; 2912 for (cnt = 0; cnt < handle_cnt; cnt++) 2913 qla2x00_process_completed_request(vha, rsp->req, 2914 sts22_entry->handle[cnt]); 2915 break; 2916 case STATUS_CONT_TYPE: 2917 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2918 break; 2919 case MBX_IOCB_TYPE: 2920 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt); 2921 break; 2922 case CT_IOCB_TYPE: 2923 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2924 break; 2925 default: 2926 /* Type Not Supported. */ 2927 ql_log(ql_log_warn, vha, 0x504a, 2928 "Received unknown response pkt type %x entry status=%x.\n", 2929 pkt->entry_type, pkt->entry_status); 2930 break; 2931 } 2932 } 2933 2934 /** 2935 * qla2x00_process_response_queue() - Process response queue entries. 2936 * @rsp: response queue 2937 */ 2938 void qla2x00_process_response_queue(struct rsp_que * rsp)2939 qla2x00_process_response_queue(struct rsp_que *rsp) 2940 { 2941 struct scsi_qla_host *vha; 2942 struct qla_hw_data *ha = rsp->hw; 2943 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2944 sts_entry_t *pkt; 2945 2946 vha = pci_get_drvdata(ha->pdev); 2947 2948 if (!vha->flags.online) 2949 return; 2950 2951 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2952 pkt = (sts_entry_t *)rsp->ring_ptr; 2953 2954 rsp->ring_index++; 2955 if (rsp->ring_index == rsp->length) { 2956 rsp->ring_index = 0; 2957 rsp->ring_ptr = rsp->ring; 2958 } else { 2959 rsp->ring_ptr++; 2960 } 2961 2962 if (pkt->entry_status != 0) { 2963 qla2x00_error_entry(vha, rsp, pkt); 2964 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2965 wmb(); 2966 continue; 2967 } 2968 2969 qla2x00_process_response_entry(vha, rsp, pkt); 2970 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2971 wmb(); 2972 } 2973 2974 /* Adjust ring index */ 2975 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2976 } 2977 2978 static inline void qla2x00_handle_sense(srb_t * sp,uint8_t * sense_data,uint32_t par_sense_len,uint32_t sense_len,struct rsp_que * rsp,int res)2979 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2980 uint32_t sense_len, struct rsp_que *rsp, int res) 2981 { 2982 struct scsi_qla_host *vha = sp->vha; 2983 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2984 uint32_t track_sense_len; 2985 2986 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2987 sense_len = SCSI_SENSE_BUFFERSIZE; 2988 2989 SET_CMD_SENSE_LEN(sp, sense_len); 2990 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2991 track_sense_len = sense_len; 2992 2993 if (sense_len > par_sense_len) 2994 sense_len = par_sense_len; 2995 2996 memcpy(cp->sense_buffer, sense_data, sense_len); 2997 2998 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2999 track_sense_len -= sense_len; 3000 SET_CMD_SENSE_LEN(sp, track_sense_len); 3001 3002 if (track_sense_len != 0) { 3003 rsp->status_srb = sp; 3004 cp->result = res; 3005 } 3006 3007 if (sense_len) { 3008 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 3009 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 3010 sp->vha->host_no, cp->device->id, cp->device->lun, 3011 cp); 3012 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 3013 cp->sense_buffer, sense_len); 3014 } 3015 } 3016 3017 struct scsi_dif_tuple { 3018 __be16 guard; /* Checksum */ 3019 __be16 app_tag; /* APPL identifier */ 3020 __be32 ref_tag; /* Target LBA or indirect LBA */ 3021 }; 3022 3023 /* 3024 * Checks the guard or meta-data for the type of error 3025 * detected by the HBA. In case of errors, we set the 3026 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 3027 * to indicate to the kernel that the HBA detected error. 3028 */ 3029 static inline int qla2x00_handle_dif_error(srb_t * sp,struct sts_entry_24xx * sts24)3030 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 3031 { 3032 struct scsi_qla_host *vha = sp->vha; 3033 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 3034 uint8_t *ap = &sts24->data[12]; 3035 uint8_t *ep = &sts24->data[20]; 3036 uint32_t e_ref_tag, a_ref_tag; 3037 uint16_t e_app_tag, a_app_tag; 3038 uint16_t e_guard, a_guard; 3039 3040 /* 3041 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 3042 * would make guard field appear at offset 2 3043 */ 3044 a_guard = get_unaligned_le16(ap + 2); 3045 a_app_tag = get_unaligned_le16(ap + 0); 3046 a_ref_tag = get_unaligned_le32(ap + 4); 3047 e_guard = get_unaligned_le16(ep + 2); 3048 e_app_tag = get_unaligned_le16(ep + 0); 3049 e_ref_tag = get_unaligned_le32(ep + 4); 3050 3051 ql_dbg(ql_dbg_io, vha, 0x3023, 3052 "iocb(s) %p Returned STATUS.\n", sts24); 3053 3054 ql_dbg(ql_dbg_io, vha, 0x3024, 3055 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 3056 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 3057 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 3058 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 3059 a_app_tag, e_app_tag, a_guard, e_guard); 3060 3061 /* 3062 * Ignore sector if: 3063 * For type 3: ref & app tag is all 'f's 3064 * For type 0,1,2: app tag is all 'f's 3065 */ 3066 if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) && 3067 (scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 || 3068 a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) { 3069 uint32_t blocks_done, resid; 3070 sector_t lba_s = scsi_get_lba(cmd); 3071 3072 /* 2TB boundary case covered automatically with this */ 3073 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 3074 3075 resid = scsi_bufflen(cmd) - (blocks_done * 3076 cmd->device->sector_size); 3077 3078 scsi_set_resid(cmd, resid); 3079 cmd->result = DID_OK << 16; 3080 3081 /* Update protection tag */ 3082 if (scsi_prot_sg_count(cmd)) { 3083 uint32_t i, j = 0, k = 0, num_ent; 3084 struct scatterlist *sg; 3085 struct t10_pi_tuple *spt; 3086 3087 /* Patch the corresponding protection tags */ 3088 scsi_for_each_prot_sg(cmd, sg, 3089 scsi_prot_sg_count(cmd), i) { 3090 num_ent = sg_dma_len(sg) / 8; 3091 if (k + num_ent < blocks_done) { 3092 k += num_ent; 3093 continue; 3094 } 3095 j = blocks_done - k - 1; 3096 k = blocks_done; 3097 break; 3098 } 3099 3100 if (k != blocks_done) { 3101 ql_log(ql_log_warn, vha, 0x302f, 3102 "unexpected tag values tag:lba=%x:%llx)\n", 3103 e_ref_tag, (unsigned long long)lba_s); 3104 return 1; 3105 } 3106 3107 spt = page_address(sg_page(sg)) + sg->offset; 3108 spt += j; 3109 3110 spt->app_tag = T10_PI_APP_ESCAPE; 3111 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 3112 spt->ref_tag = T10_PI_REF_ESCAPE; 3113 } 3114 3115 return 0; 3116 } 3117 3118 /* check guard */ 3119 if (e_guard != a_guard) { 3120 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1); 3121 set_host_byte(cmd, DID_ABORT); 3122 return 1; 3123 } 3124 3125 /* check ref tag */ 3126 if (e_ref_tag != a_ref_tag) { 3127 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3); 3128 set_host_byte(cmd, DID_ABORT); 3129 return 1; 3130 } 3131 3132 /* check appl tag */ 3133 if (e_app_tag != a_app_tag) { 3134 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2); 3135 set_host_byte(cmd, DID_ABORT); 3136 return 1; 3137 } 3138 3139 return 1; 3140 } 3141 3142 static void qla25xx_process_bidir_status_iocb(scsi_qla_host_t * vha,void * pkt,struct req_que * req,uint32_t index)3143 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 3144 struct req_que *req, uint32_t index) 3145 { 3146 struct qla_hw_data *ha = vha->hw; 3147 srb_t *sp; 3148 uint16_t comp_status; 3149 uint16_t scsi_status; 3150 uint16_t thread_id; 3151 uint32_t rval = EXT_STATUS_OK; 3152 struct bsg_job *bsg_job = NULL; 3153 struct fc_bsg_request *bsg_request; 3154 struct fc_bsg_reply *bsg_reply; 3155 sts_entry_t *sts = pkt; 3156 struct sts_entry_24xx *sts24 = pkt; 3157 3158 /* Validate handle. */ 3159 if (index >= req->num_outstanding_cmds) { 3160 ql_log(ql_log_warn, vha, 0x70af, 3161 "Invalid SCSI completion handle 0x%x.\n", index); 3162 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3163 return; 3164 } 3165 3166 sp = req->outstanding_cmds[index]; 3167 if (!sp) { 3168 ql_log(ql_log_warn, vha, 0x70b0, 3169 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 3170 req->id, index); 3171 3172 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3173 return; 3174 } 3175 3176 /* Free outstanding command slot. */ 3177 req->outstanding_cmds[index] = NULL; 3178 bsg_job = sp->u.bsg_job; 3179 bsg_request = bsg_job->request; 3180 bsg_reply = bsg_job->reply; 3181 3182 if (IS_FWI2_CAPABLE(ha)) { 3183 comp_status = le16_to_cpu(sts24->comp_status); 3184 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 3185 } else { 3186 comp_status = le16_to_cpu(sts->comp_status); 3187 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 3188 } 3189 3190 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 3191 switch (comp_status) { 3192 case CS_COMPLETE: 3193 if (scsi_status == 0) { 3194 bsg_reply->reply_payload_rcv_len = 3195 bsg_job->reply_payload.payload_len; 3196 vha->qla_stats.input_bytes += 3197 bsg_reply->reply_payload_rcv_len; 3198 vha->qla_stats.input_requests++; 3199 rval = EXT_STATUS_OK; 3200 } 3201 goto done; 3202 3203 case CS_DATA_OVERRUN: 3204 ql_dbg(ql_dbg_user, vha, 0x70b1, 3205 "Command completed with data overrun thread_id=%d\n", 3206 thread_id); 3207 rval = EXT_STATUS_DATA_OVERRUN; 3208 break; 3209 3210 case CS_DATA_UNDERRUN: 3211 ql_dbg(ql_dbg_user, vha, 0x70b2, 3212 "Command completed with data underrun thread_id=%d\n", 3213 thread_id); 3214 rval = EXT_STATUS_DATA_UNDERRUN; 3215 break; 3216 case CS_BIDIR_RD_OVERRUN: 3217 ql_dbg(ql_dbg_user, vha, 0x70b3, 3218 "Command completed with read data overrun thread_id=%d\n", 3219 thread_id); 3220 rval = EXT_STATUS_DATA_OVERRUN; 3221 break; 3222 3223 case CS_BIDIR_RD_WR_OVERRUN: 3224 ql_dbg(ql_dbg_user, vha, 0x70b4, 3225 "Command completed with read and write data overrun " 3226 "thread_id=%d\n", thread_id); 3227 rval = EXT_STATUS_DATA_OVERRUN; 3228 break; 3229 3230 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 3231 ql_dbg(ql_dbg_user, vha, 0x70b5, 3232 "Command completed with read data over and write data " 3233 "underrun thread_id=%d\n", thread_id); 3234 rval = EXT_STATUS_DATA_OVERRUN; 3235 break; 3236 3237 case CS_BIDIR_RD_UNDERRUN: 3238 ql_dbg(ql_dbg_user, vha, 0x70b6, 3239 "Command completed with read data underrun " 3240 "thread_id=%d\n", thread_id); 3241 rval = EXT_STATUS_DATA_UNDERRUN; 3242 break; 3243 3244 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 3245 ql_dbg(ql_dbg_user, vha, 0x70b7, 3246 "Command completed with read data under and write data " 3247 "overrun thread_id=%d\n", thread_id); 3248 rval = EXT_STATUS_DATA_UNDERRUN; 3249 break; 3250 3251 case CS_BIDIR_RD_WR_UNDERRUN: 3252 ql_dbg(ql_dbg_user, vha, 0x70b8, 3253 "Command completed with read and write data underrun " 3254 "thread_id=%d\n", thread_id); 3255 rval = EXT_STATUS_DATA_UNDERRUN; 3256 break; 3257 3258 case CS_BIDIR_DMA: 3259 ql_dbg(ql_dbg_user, vha, 0x70b9, 3260 "Command completed with data DMA error thread_id=%d\n", 3261 thread_id); 3262 rval = EXT_STATUS_DMA_ERR; 3263 break; 3264 3265 case CS_TIMEOUT: 3266 ql_dbg(ql_dbg_user, vha, 0x70ba, 3267 "Command completed with timeout thread_id=%d\n", 3268 thread_id); 3269 rval = EXT_STATUS_TIMEOUT; 3270 break; 3271 default: 3272 ql_dbg(ql_dbg_user, vha, 0x70bb, 3273 "Command completed with completion status=0x%x " 3274 "thread_id=%d\n", comp_status, thread_id); 3275 rval = EXT_STATUS_ERR; 3276 break; 3277 } 3278 bsg_reply->reply_payload_rcv_len = 0; 3279 3280 done: 3281 /* Return the vendor specific reply to API */ 3282 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 3283 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 3284 /* Always return DID_OK, bsg will send the vendor specific response 3285 * in this case only */ 3286 sp->done(sp, DID_OK << 16); 3287 3288 } 3289 3290 /** 3291 * qla2x00_status_entry() - Process a Status IOCB entry. 3292 * @vha: SCSI driver HA context 3293 * @rsp: response queue 3294 * @pkt: Entry pointer 3295 */ 3296 static void qla2x00_status_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,void * pkt)3297 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 3298 { 3299 srb_t *sp; 3300 fc_port_t *fcport; 3301 struct scsi_cmnd *cp; 3302 sts_entry_t *sts = pkt; 3303 struct sts_entry_24xx *sts24 = pkt; 3304 uint16_t comp_status; 3305 uint16_t scsi_status; 3306 uint16_t ox_id; 3307 uint8_t lscsi_status; 3308 int32_t resid; 3309 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 3310 fw_resid_len; 3311 uint8_t *rsp_info, *sense_data; 3312 struct qla_hw_data *ha = vha->hw; 3313 uint32_t handle; 3314 uint16_t que; 3315 struct req_que *req; 3316 int logit = 1; 3317 int res = 0; 3318 uint16_t state_flags = 0; 3319 uint16_t sts_qual = 0; 3320 3321 if (IS_FWI2_CAPABLE(ha)) { 3322 comp_status = le16_to_cpu(sts24->comp_status); 3323 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 3324 state_flags = le16_to_cpu(sts24->state_flags); 3325 } else { 3326 comp_status = le16_to_cpu(sts->comp_status); 3327 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 3328 } 3329 handle = (uint32_t) LSW(sts->handle); 3330 que = MSW(sts->handle); 3331 req = ha->req_q_map[que]; 3332 3333 /* Check for invalid queue pointer */ 3334 if (req == NULL || 3335 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 3336 ql_dbg(ql_dbg_io, vha, 0x3059, 3337 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 3338 "que=%u.\n", sts->handle, req, que); 3339 return; 3340 } 3341 3342 /* Validate handle. */ 3343 if (handle < req->num_outstanding_cmds) { 3344 sp = req->outstanding_cmds[handle]; 3345 if (!sp) { 3346 ql_dbg(ql_dbg_io, vha, 0x3075, 3347 "%s(%ld): Already returned command for status handle (0x%x).\n", 3348 __func__, vha->host_no, sts->handle); 3349 return; 3350 } 3351 } else { 3352 ql_dbg(ql_dbg_io, vha, 0x3017, 3353 "Invalid status handle, out of range (0x%x).\n", 3354 sts->handle); 3355 3356 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 3357 if (IS_P3P_TYPE(ha)) 3358 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 3359 else 3360 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3361 qla2xxx_wake_dpc(vha); 3362 } 3363 return; 3364 } 3365 qla_put_fw_resources(sp->qpair, &sp->iores); 3366 3367 if (sp->cmd_type != TYPE_SRB) { 3368 req->outstanding_cmds[handle] = NULL; 3369 ql_dbg(ql_dbg_io, vha, 0x3015, 3370 "Unknown sp->cmd_type %x %p).\n", 3371 sp->cmd_type, sp); 3372 return; 3373 } 3374 3375 /* NVME completion. */ 3376 if (sp->type == SRB_NVME_CMD) { 3377 req->outstanding_cmds[handle] = NULL; 3378 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 3379 return; 3380 } 3381 3382 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 3383 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 3384 return; 3385 } 3386 3387 /* Task Management completion. */ 3388 if (sp->type == SRB_TM_CMD) { 3389 qla24xx_tm_iocb_entry(vha, req, pkt); 3390 return; 3391 } 3392 3393 /* Fast path completion. */ 3394 qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24); 3395 sp->qpair->cmd_completion_cnt++; 3396 3397 if (comp_status == CS_COMPLETE && scsi_status == 0) { 3398 qla2x00_process_completed_request(vha, req, handle); 3399 3400 return; 3401 } 3402 3403 cp = GET_CMD_SP(sp); 3404 if (cp == NULL) { 3405 ql_dbg(ql_dbg_io, vha, 0x3018, 3406 "Command already returned (0x%x/%p).\n", 3407 sts->handle, sp); 3408 3409 req->outstanding_cmds[handle] = NULL; 3410 return; 3411 } 3412 3413 lscsi_status = scsi_status & STATUS_MASK; 3414 3415 fcport = sp->fcport; 3416 3417 ox_id = 0; 3418 sense_len = par_sense_len = rsp_info_len = resid_len = 3419 fw_resid_len = 0; 3420 if (IS_FWI2_CAPABLE(ha)) { 3421 if (scsi_status & SS_SENSE_LEN_VALID) 3422 sense_len = le32_to_cpu(sts24->sense_len); 3423 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 3424 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 3425 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 3426 resid_len = le32_to_cpu(sts24->rsp_residual_count); 3427 if (comp_status == CS_DATA_UNDERRUN) 3428 fw_resid_len = le32_to_cpu(sts24->residual_len); 3429 rsp_info = sts24->data; 3430 sense_data = sts24->data; 3431 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 3432 ox_id = le16_to_cpu(sts24->ox_id); 3433 par_sense_len = sizeof(sts24->data); 3434 sts_qual = le16_to_cpu(sts24->status_qualifier); 3435 } else { 3436 if (scsi_status & SS_SENSE_LEN_VALID) 3437 sense_len = le16_to_cpu(sts->req_sense_length); 3438 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 3439 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 3440 resid_len = le32_to_cpu(sts->residual_length); 3441 rsp_info = sts->rsp_info; 3442 sense_data = sts->req_sense_data; 3443 par_sense_len = sizeof(sts->req_sense_data); 3444 } 3445 3446 /* Check for any FCP transport errors. */ 3447 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 3448 /* Sense data lies beyond any FCP RESPONSE data. */ 3449 if (IS_FWI2_CAPABLE(ha)) { 3450 sense_data += rsp_info_len; 3451 par_sense_len -= rsp_info_len; 3452 } 3453 if (rsp_info_len > 3 && rsp_info[3]) { 3454 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 3455 "FCP I/O protocol failure (0x%x/0x%x).\n", 3456 rsp_info_len, rsp_info[3]); 3457 3458 res = DID_BUS_BUSY << 16; 3459 goto out; 3460 } 3461 } 3462 3463 /* Check for overrun. */ 3464 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 3465 scsi_status & SS_RESIDUAL_OVER) 3466 comp_status = CS_DATA_OVERRUN; 3467 3468 /* 3469 * Check retry_delay_timer value if we receive a busy or 3470 * queue full. 3471 */ 3472 if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL || 3473 lscsi_status == SAM_STAT_BUSY)) 3474 qla2x00_set_retry_delay_timestamp(fcport, sts_qual); 3475 3476 /* 3477 * Based on Host and scsi status generate status code for Linux 3478 */ 3479 switch (comp_status) { 3480 case CS_COMPLETE: 3481 case CS_QUEUE_FULL: 3482 if (scsi_status == 0) { 3483 res = DID_OK << 16; 3484 break; 3485 } 3486 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 3487 resid = resid_len; 3488 scsi_set_resid(cp, resid); 3489 3490 if (!lscsi_status && 3491 ((unsigned)(scsi_bufflen(cp) - resid) < 3492 cp->underflow)) { 3493 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 3494 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 3495 resid, scsi_bufflen(cp)); 3496 3497 res = DID_ERROR << 16; 3498 break; 3499 } 3500 } 3501 res = DID_OK << 16 | lscsi_status; 3502 3503 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 3504 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 3505 "QUEUE FULL detected.\n"); 3506 break; 3507 } 3508 logit = 0; 3509 if (lscsi_status != SS_CHECK_CONDITION) 3510 break; 3511 3512 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 3513 if (!(scsi_status & SS_SENSE_LEN_VALID)) 3514 break; 3515 3516 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 3517 rsp, res); 3518 break; 3519 3520 case CS_DATA_UNDERRUN: 3521 /* Use F/W calculated residual length. */ 3522 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 3523 scsi_set_resid(cp, resid); 3524 if (scsi_status & SS_RESIDUAL_UNDER) { 3525 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 3526 ql_log(ql_log_warn, fcport->vha, 0x301d, 3527 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 3528 resid, scsi_bufflen(cp)); 3529 3530 res = DID_ERROR << 16 | lscsi_status; 3531 goto check_scsi_status; 3532 } 3533 3534 if (!lscsi_status && 3535 ((unsigned)(scsi_bufflen(cp) - resid) < 3536 cp->underflow)) { 3537 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 3538 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 3539 resid, scsi_bufflen(cp)); 3540 3541 res = DID_ERROR << 16; 3542 break; 3543 } 3544 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 3545 lscsi_status != SAM_STAT_BUSY) { 3546 /* 3547 * scsi status of task set and busy are considered to be 3548 * task not completed. 3549 */ 3550 3551 ql_log(ql_log_warn, fcport->vha, 0x301f, 3552 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 3553 resid, scsi_bufflen(cp)); 3554 3555 vha->interface_err_cnt++; 3556 3557 res = DID_ERROR << 16 | lscsi_status; 3558 goto check_scsi_status; 3559 } else { 3560 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 3561 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 3562 scsi_status, lscsi_status); 3563 } 3564 3565 res = DID_OK << 16 | lscsi_status; 3566 logit = 0; 3567 3568 check_scsi_status: 3569 /* 3570 * Check to see if SCSI Status is non zero. If so report SCSI 3571 * Status. 3572 */ 3573 if (lscsi_status != 0) { 3574 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 3575 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 3576 "QUEUE FULL detected.\n"); 3577 logit = 1; 3578 break; 3579 } 3580 if (lscsi_status != SS_CHECK_CONDITION) 3581 break; 3582 3583 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 3584 if (!(scsi_status & SS_SENSE_LEN_VALID)) 3585 break; 3586 3587 qla2x00_handle_sense(sp, sense_data, par_sense_len, 3588 sense_len, rsp, res); 3589 } 3590 break; 3591 3592 case CS_PORT_LOGGED_OUT: 3593 case CS_PORT_CONFIG_CHG: 3594 case CS_PORT_BUSY: 3595 case CS_INCOMPLETE: 3596 case CS_PORT_UNAVAILABLE: 3597 case CS_TIMEOUT: 3598 case CS_RESET: 3599 case CS_EDIF_INV_REQ: 3600 3601 /* 3602 * We are going to have the fc class block the rport 3603 * while we try to recover so instruct the mid layer 3604 * to requeue until the class decides how to handle this. 3605 */ 3606 res = DID_TRANSPORT_DISRUPTED << 16; 3607 3608 if (comp_status == CS_TIMEOUT) { 3609 if (IS_FWI2_CAPABLE(ha)) 3610 break; 3611 else if ((le16_to_cpu(sts->status_flags) & 3612 SF_LOGOUT_SENT) == 0) 3613 break; 3614 } 3615 3616 if (atomic_read(&fcport->state) == FCS_ONLINE) { 3617 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 3618 "Port to be marked lost on fcport=%02x%02x%02x, current " 3619 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 3620 fcport->d_id.b.area, fcport->d_id.b.al_pa, 3621 port_state_str[FCS_ONLINE], 3622 comp_status); 3623 3624 qlt_schedule_sess_for_deletion(fcport); 3625 } 3626 3627 break; 3628 3629 case CS_ABORTED: 3630 res = DID_RESET << 16; 3631 break; 3632 3633 case CS_DIF_ERROR: 3634 logit = qla2x00_handle_dif_error(sp, sts24); 3635 res = cp->result; 3636 break; 3637 3638 case CS_TRANSPORT: 3639 res = DID_ERROR << 16; 3640 vha->hw_err_cnt++; 3641 3642 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 3643 break; 3644 3645 if (state_flags & BIT_4) 3646 scmd_printk(KERN_WARNING, cp, 3647 "Unsupported device '%s' found.\n", 3648 cp->device->vendor); 3649 break; 3650 3651 case CS_DMA: 3652 ql_log(ql_log_info, fcport->vha, 0x3022, 3653 "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", 3654 comp_status, scsi_status, res, vha->host_no, 3655 cp->device->id, cp->device->lun, fcport->d_id.b24, 3656 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 3657 resid_len, fw_resid_len, sp, cp); 3658 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 3659 pkt, sizeof(*sts24)); 3660 res = DID_ERROR << 16; 3661 vha->hw_err_cnt++; 3662 break; 3663 default: 3664 res = DID_ERROR << 16; 3665 break; 3666 } 3667 3668 out: 3669 if (logit) 3670 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 3671 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 3672 comp_status, scsi_status, res, vha->host_no, 3673 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 3674 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 3675 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 3676 resid_len, fw_resid_len, sp, cp); 3677 3678 if (rsp->status_srb == NULL) 3679 sp->done(sp, res); 3680 3681 /* for io's, clearing of outstanding_cmds[handle] means scsi_done was called */ 3682 req->outstanding_cmds[handle] = NULL; 3683 } 3684 3685 /** 3686 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 3687 * @rsp: response queue 3688 * @pkt: Entry pointer 3689 * 3690 * Extended sense data. 3691 */ 3692 static void qla2x00_status_cont_entry(struct rsp_que * rsp,sts_cont_entry_t * pkt)3693 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 3694 { 3695 uint8_t sense_sz = 0; 3696 struct qla_hw_data *ha = rsp->hw; 3697 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 3698 srb_t *sp = rsp->status_srb; 3699 struct scsi_cmnd *cp; 3700 uint32_t sense_len; 3701 uint8_t *sense_ptr; 3702 3703 if (!sp || !GET_CMD_SENSE_LEN(sp)) 3704 return; 3705 3706 sense_len = GET_CMD_SENSE_LEN(sp); 3707 sense_ptr = GET_CMD_SENSE_PTR(sp); 3708 3709 cp = GET_CMD_SP(sp); 3710 if (cp == NULL) { 3711 ql_log(ql_log_warn, vha, 0x3025, 3712 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 3713 3714 rsp->status_srb = NULL; 3715 return; 3716 } 3717 3718 if (sense_len > sizeof(pkt->data)) 3719 sense_sz = sizeof(pkt->data); 3720 else 3721 sense_sz = sense_len; 3722 3723 /* Move sense data. */ 3724 if (IS_FWI2_CAPABLE(ha)) 3725 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 3726 memcpy(sense_ptr, pkt->data, sense_sz); 3727 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 3728 sense_ptr, sense_sz); 3729 3730 sense_len -= sense_sz; 3731 sense_ptr += sense_sz; 3732 3733 SET_CMD_SENSE_PTR(sp, sense_ptr); 3734 SET_CMD_SENSE_LEN(sp, sense_len); 3735 3736 /* Place command on done queue. */ 3737 if (sense_len == 0) { 3738 rsp->status_srb = NULL; 3739 sp->done(sp, cp->result); 3740 } 3741 } 3742 3743 /** 3744 * qla2x00_error_entry() - Process an error entry. 3745 * @vha: SCSI driver HA context 3746 * @rsp: response queue 3747 * @pkt: Entry pointer 3748 * return : 1=allow further error analysis. 0=no additional error analysis. 3749 */ 3750 static int qla2x00_error_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,sts_entry_t * pkt)3751 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 3752 { 3753 srb_t *sp; 3754 struct qla_hw_data *ha = vha->hw; 3755 const char func[] = "ERROR-IOCB"; 3756 uint16_t que = MSW(pkt->handle); 3757 struct req_que *req = NULL; 3758 int res = DID_ERROR << 16; 3759 u16 index; 3760 3761 ql_dbg(ql_dbg_async, vha, 0x502a, 3762 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 3763 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 3764 3765 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 3766 goto fatal; 3767 3768 req = ha->req_q_map[que]; 3769 3770 if (pkt->entry_status & RF_BUSY) 3771 res = DID_BUS_BUSY << 16; 3772 3773 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 3774 return 0; 3775 3776 switch (pkt->entry_type) { 3777 case NOTIFY_ACK_TYPE: 3778 case STATUS_CONT_TYPE: 3779 case LOGINOUT_PORT_IOCB_TYPE: 3780 case CT_IOCB_TYPE: 3781 case ELS_IOCB_TYPE: 3782 case ABORT_IOCB_TYPE: 3783 case MBX_IOCB_TYPE: 3784 default: 3785 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3786 if (sp) { 3787 sp->done(sp, res); 3788 return 0; 3789 } 3790 break; 3791 3792 case SA_UPDATE_IOCB_TYPE: 3793 case ABTS_RESP_24XX: 3794 case CTIO_TYPE7: 3795 case CTIO_CRC2: 3796 return 1; 3797 case STATUS_TYPE: 3798 sp = qla_get_sp_from_handle(vha, func, req, pkt, &index); 3799 if (sp) { 3800 sp->done(sp, res); 3801 req->outstanding_cmds[index] = NULL; 3802 return 0; 3803 } 3804 break; 3805 } 3806 fatal: 3807 ql_log(ql_log_warn, vha, 0x5030, 3808 "Error entry - invalid handle/queue (%04x).\n", que); 3809 return 0; 3810 } 3811 3812 /** 3813 * qla24xx_mbx_completion() - Process mailbox command completions. 3814 * @vha: SCSI driver HA context 3815 * @mb0: Mailbox0 register 3816 */ 3817 static void qla24xx_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)3818 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 3819 { 3820 uint16_t cnt; 3821 uint32_t mboxes; 3822 __le16 __iomem *wptr; 3823 struct qla_hw_data *ha = vha->hw; 3824 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3825 3826 /* Read all mbox registers? */ 3827 WARN_ON_ONCE(ha->mbx_count > 32); 3828 mboxes = (1ULL << ha->mbx_count) - 1; 3829 if (!ha->mcp) 3830 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 3831 else 3832 mboxes = ha->mcp->in_mb; 3833 3834 /* Load return mailbox registers. */ 3835 ha->flags.mbox_int = 1; 3836 ha->mailbox_out[0] = mb0; 3837 mboxes >>= 1; 3838 wptr = ®->mailbox1; 3839 3840 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 3841 if (mboxes & BIT_0) 3842 ha->mailbox_out[cnt] = rd_reg_word(wptr); 3843 3844 mboxes >>= 1; 3845 wptr++; 3846 } 3847 } 3848 3849 static void qla24xx_abort_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct abort_entry_24xx * pkt)3850 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 3851 struct abort_entry_24xx *pkt) 3852 { 3853 const char func[] = "ABT_IOCB"; 3854 srb_t *sp; 3855 srb_t *orig_sp = NULL; 3856 struct srb_iocb *abt; 3857 3858 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3859 if (!sp) 3860 return; 3861 3862 abt = &sp->u.iocb_cmd; 3863 abt->u.abt.comp_status = pkt->comp_status; 3864 orig_sp = sp->cmd_sp; 3865 /* Need to pass original sp */ 3866 if (orig_sp) 3867 qla_nvme_abort_process_comp_status(pkt, orig_sp); 3868 3869 sp->done(sp, 0); 3870 } 3871 qla24xx_nvme_ls4_iocb(struct scsi_qla_host * vha,struct pt_ls4_request * pkt,struct req_que * req)3872 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 3873 struct pt_ls4_request *pkt, struct req_que *req) 3874 { 3875 srb_t *sp; 3876 const char func[] = "LS4_IOCB"; 3877 uint16_t comp_status; 3878 3879 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3880 if (!sp) 3881 return; 3882 3883 comp_status = le16_to_cpu(pkt->status); 3884 sp->done(sp, comp_status); 3885 } 3886 3887 /** 3888 * qla_chk_cont_iocb_avail - check for all continuation iocbs are available 3889 * before iocb processing can start. 3890 * @vha: host adapter pointer 3891 * @rsp: respond queue 3892 * @pkt: head iocb describing how many continuation iocb 3893 * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived. 3894 */ qla_chk_cont_iocb_avail(struct scsi_qla_host * vha,struct rsp_que * rsp,response_t * pkt,u32 rsp_q_in)3895 static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha, 3896 struct rsp_que *rsp, response_t *pkt, u32 rsp_q_in) 3897 { 3898 int start_pkt_ring_index; 3899 u32 iocb_cnt = 0; 3900 int rc = 0; 3901 3902 if (pkt->entry_count == 1) 3903 return rc; 3904 3905 /* ring_index was pre-increment. set it back to current pkt */ 3906 if (rsp->ring_index == 0) 3907 start_pkt_ring_index = rsp->length - 1; 3908 else 3909 start_pkt_ring_index = rsp->ring_index - 1; 3910 3911 if (rsp_q_in < start_pkt_ring_index) 3912 /* q in ptr is wrapped */ 3913 iocb_cnt = rsp->length - start_pkt_ring_index + rsp_q_in; 3914 else 3915 iocb_cnt = rsp_q_in - start_pkt_ring_index; 3916 3917 if (iocb_cnt < pkt->entry_count) 3918 rc = -EIO; 3919 3920 ql_dbg(ql_dbg_init, vha, 0x5091, 3921 "%s - ring %p pkt %p entry count %d iocb_cnt %d rsp_q_in %d rc %d\n", 3922 __func__, rsp->ring, pkt, pkt->entry_count, iocb_cnt, rsp_q_in, rc); 3923 3924 return rc; 3925 } 3926 qla_marker_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mrk_entry_24xx * pkt)3927 static void qla_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 3928 struct mrk_entry_24xx *pkt) 3929 { 3930 const char func[] = "MRK-IOCB"; 3931 srb_t *sp; 3932 int res = QLA_SUCCESS; 3933 3934 if (!IS_FWI2_CAPABLE(vha->hw)) 3935 return; 3936 3937 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 3938 if (!sp) 3939 return; 3940 3941 if (pkt->entry_status) { 3942 ql_dbg(ql_dbg_taskm, vha, 0x8025, "marker failure.\n"); 3943 res = QLA_COMMAND_ERROR; 3944 } 3945 sp->u.iocb_cmd.u.tmf.data = res; 3946 sp->done(sp, res); 3947 } 3948 3949 /** 3950 * qla24xx_process_response_queue() - Process response queue entries. 3951 * @vha: SCSI driver HA context 3952 * @rsp: response queue 3953 */ qla24xx_process_response_queue(struct scsi_qla_host * vha,struct rsp_que * rsp)3954 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 3955 struct rsp_que *rsp) 3956 { 3957 struct sts_entry_24xx *pkt; 3958 struct qla_hw_data *ha = vha->hw; 3959 struct purex_entry_24xx *purex_entry; 3960 struct purex_item *pure_item; 3961 struct pt_ls4_rx_unsol *p; 3962 u16 rsp_in = 0, cur_ring_index; 3963 int is_shadow_hba; 3964 3965 if (!ha->flags.fw_started) 3966 return; 3967 3968 if (rsp->qpair->cpuid != raw_smp_processor_id() || !rsp->qpair->rcv_intr) { 3969 rsp->qpair->rcv_intr = 1; 3970 3971 if (!rsp->qpair->cpu_mapped) 3972 qla_cpu_update(rsp->qpair, raw_smp_processor_id()); 3973 } 3974 3975 #define __update_rsp_in(_is_shadow_hba, _rsp, _rsp_in) \ 3976 do { \ 3977 _rsp_in = _is_shadow_hba ? *(_rsp)->in_ptr : \ 3978 rd_reg_dword_relaxed((_rsp)->rsp_q_in); \ 3979 } while (0) 3980 3981 is_shadow_hba = IS_SHADOW_REG_CAPABLE(ha); 3982 3983 __update_rsp_in(is_shadow_hba, rsp, rsp_in); 3984 3985 while (rsp->ring_index != rsp_in && 3986 rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 3987 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 3988 cur_ring_index = rsp->ring_index; 3989 3990 rsp->ring_index++; 3991 if (rsp->ring_index == rsp->length) { 3992 rsp->ring_index = 0; 3993 rsp->ring_ptr = rsp->ring; 3994 } else { 3995 rsp->ring_ptr++; 3996 } 3997 3998 if (pkt->entry_status != 0) { 3999 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 4000 goto process_err; 4001 4002 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 4003 wmb(); 4004 continue; 4005 } 4006 process_err: 4007 4008 switch (pkt->entry_type) { 4009 case STATUS_TYPE: 4010 qla2x00_status_entry(vha, rsp, pkt); 4011 break; 4012 case STATUS_CONT_TYPE: 4013 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 4014 break; 4015 case VP_RPT_ID_IOCB_TYPE: 4016 qla24xx_report_id_acquisition(vha, 4017 (struct vp_rpt_id_entry_24xx *)pkt); 4018 break; 4019 case LOGINOUT_PORT_IOCB_TYPE: 4020 qla24xx_logio_entry(vha, rsp->req, 4021 (struct logio_entry_24xx *)pkt); 4022 break; 4023 case CT_IOCB_TYPE: 4024 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 4025 break; 4026 case ELS_IOCB_TYPE: 4027 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 4028 break; 4029 case ABTS_RECV_24XX: 4030 if (qla_ini_mode_enabled(vha)) { 4031 pure_item = qla24xx_copy_std_pkt(vha, pkt); 4032 if (!pure_item) 4033 break; 4034 qla24xx_queue_purex_item(vha, pure_item, 4035 qla24xx_process_abts); 4036 break; 4037 } 4038 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || 4039 IS_QLA28XX(ha)) { 4040 /* ensure that the ATIO queue is empty */ 4041 qlt_handle_abts_recv(vha, rsp, 4042 (response_t *)pkt); 4043 break; 4044 } else { 4045 qlt_24xx_process_atio_queue(vha, 1); 4046 } 4047 fallthrough; 4048 case ABTS_RESP_24XX: 4049 case CTIO_TYPE7: 4050 case CTIO_CRC2: 4051 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 4052 break; 4053 case PT_LS4_REQUEST: 4054 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 4055 rsp->req); 4056 break; 4057 case NOTIFY_ACK_TYPE: 4058 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 4059 qlt_response_pkt_all_vps(vha, rsp, 4060 (response_t *)pkt); 4061 else 4062 qla24xxx_nack_iocb_entry(vha, rsp->req, 4063 (struct nack_to_isp *)pkt); 4064 break; 4065 case MARKER_TYPE: 4066 qla_marker_iocb_entry(vha, rsp->req, (struct mrk_entry_24xx *)pkt); 4067 break; 4068 case ABORT_IOCB_TYPE: 4069 qla24xx_abort_iocb_entry(vha, rsp->req, 4070 (struct abort_entry_24xx *)pkt); 4071 break; 4072 case MBX_IOCB_TYPE: 4073 qla24xx_mbx_iocb_entry(vha, rsp->req, 4074 (struct mbx_24xx_entry *)pkt); 4075 break; 4076 case VP_CTRL_IOCB_TYPE: 4077 qla_ctrlvp_completed(vha, rsp->req, 4078 (struct vp_ctrl_entry_24xx *)pkt); 4079 break; 4080 case PUREX_IOCB_TYPE: 4081 purex_entry = (void *)pkt; 4082 switch (purex_entry->els_frame_payload[3]) { 4083 case ELS_RDP: 4084 pure_item = qla24xx_copy_std_pkt(vha, pkt); 4085 if (!pure_item) 4086 break; 4087 qla24xx_queue_purex_item(vha, pure_item, 4088 qla24xx_process_purex_rdp); 4089 break; 4090 case ELS_FPIN: 4091 if (!vha->hw->flags.scm_enabled) { 4092 ql_log(ql_log_warn, vha, 0x5094, 4093 "SCM not active for this port\n"); 4094 break; 4095 } 4096 pure_item = qla27xx_copy_fpin_pkt(vha, 4097 (void **)&pkt, &rsp); 4098 __update_rsp_in(is_shadow_hba, rsp, rsp_in); 4099 if (!pure_item) 4100 break; 4101 qla24xx_queue_purex_item(vha, pure_item, 4102 qla27xx_process_purex_fpin); 4103 break; 4104 4105 case ELS_AUTH_ELS: 4106 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt, rsp_in)) { 4107 /* 4108 * ring_ptr and ring_index were 4109 * pre-incremented above. Reset them 4110 * back to current. Wait for next 4111 * interrupt with all IOCBs to arrive 4112 * and re-process. 4113 */ 4114 rsp->ring_ptr = (response_t *)pkt; 4115 rsp->ring_index = cur_ring_index; 4116 4117 ql_dbg(ql_dbg_init, vha, 0x5091, 4118 "Defer processing ELS opcode %#x...\n", 4119 purex_entry->els_frame_payload[3]); 4120 return; 4121 } 4122 qla24xx_auth_els(vha, (void **)&pkt, &rsp); 4123 break; 4124 default: 4125 ql_log(ql_log_warn, vha, 0x509c, 4126 "Discarding ELS Request opcode 0x%x\n", 4127 purex_entry->els_frame_payload[3]); 4128 } 4129 break; 4130 case SA_UPDATE_IOCB_TYPE: 4131 qla28xx_sa_update_iocb_entry(vha, rsp->req, 4132 (struct sa_update_28xx *)pkt); 4133 break; 4134 case PT_LS4_UNSOL: 4135 p = (void *)pkt; 4136 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt, rsp_in)) { 4137 rsp->ring_ptr = (response_t *)pkt; 4138 rsp->ring_index = cur_ring_index; 4139 4140 ql_dbg(ql_dbg_init, vha, 0x2124, 4141 "Defer processing UNSOL LS req opcode %#x...\n", 4142 p->payload[0]); 4143 return; 4144 } 4145 qla2xxx_process_purls_iocb((void **)&pkt, &rsp); 4146 break; 4147 default: 4148 /* Type Not Supported. */ 4149 ql_dbg(ql_dbg_async, vha, 0x5042, 4150 "Received unknown response pkt type 0x%x entry status=%x.\n", 4151 pkt->entry_type, pkt->entry_status); 4152 break; 4153 } 4154 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 4155 wmb(); 4156 } 4157 4158 /* Adjust ring index */ 4159 if (IS_P3P_TYPE(ha)) { 4160 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 4161 4162 wrt_reg_dword(®->rsp_q_out[0], rsp->ring_index); 4163 } else { 4164 wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index); 4165 } 4166 } 4167 4168 static void qla2xxx_check_risc_status(scsi_qla_host_t * vha)4169 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 4170 { 4171 int rval; 4172 uint32_t cnt; 4173 struct qla_hw_data *ha = vha->hw; 4174 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 4175 4176 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 4177 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 4178 return; 4179 4180 rval = QLA_SUCCESS; 4181 wrt_reg_dword(®->iobase_addr, 0x7C00); 4182 rd_reg_dword(®->iobase_addr); 4183 wrt_reg_dword(®->iobase_window, 0x0001); 4184 for (cnt = 10000; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && 4185 rval == QLA_SUCCESS; cnt--) { 4186 if (cnt) { 4187 wrt_reg_dword(®->iobase_window, 0x0001); 4188 udelay(10); 4189 } else 4190 rval = QLA_FUNCTION_TIMEOUT; 4191 } 4192 if (rval == QLA_SUCCESS) 4193 goto next_test; 4194 4195 rval = QLA_SUCCESS; 4196 wrt_reg_dword(®->iobase_window, 0x0003); 4197 for (cnt = 100; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && 4198 rval == QLA_SUCCESS; cnt--) { 4199 if (cnt) { 4200 wrt_reg_dword(®->iobase_window, 0x0003); 4201 udelay(10); 4202 } else 4203 rval = QLA_FUNCTION_TIMEOUT; 4204 } 4205 if (rval != QLA_SUCCESS) 4206 goto done; 4207 4208 next_test: 4209 if (rd_reg_dword(®->iobase_c8) & BIT_3) 4210 ql_log(ql_log_info, vha, 0x504c, 4211 "Additional code -- 0x55AA.\n"); 4212 4213 done: 4214 wrt_reg_dword(®->iobase_window, 0x0000); 4215 rd_reg_dword(®->iobase_window); 4216 } 4217 4218 /** 4219 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 4220 * @irq: interrupt number 4221 * @dev_id: SCSI driver HA context 4222 * 4223 * Called by system whenever the host adapter generates an interrupt. 4224 * 4225 * Returns handled flag. 4226 */ 4227 irqreturn_t qla24xx_intr_handler(int irq,void * dev_id)4228 qla24xx_intr_handler(int irq, void *dev_id) 4229 { 4230 scsi_qla_host_t *vha; 4231 struct qla_hw_data *ha; 4232 struct device_reg_24xx __iomem *reg; 4233 int status; 4234 unsigned long iter; 4235 uint32_t stat; 4236 uint32_t hccr; 4237 uint16_t mb[8]; 4238 struct rsp_que *rsp; 4239 unsigned long flags; 4240 bool process_atio = false; 4241 4242 rsp = (struct rsp_que *) dev_id; 4243 if (!rsp) { 4244 ql_log(ql_log_info, NULL, 0x5059, 4245 "%s: NULL response queue pointer.\n", __func__); 4246 return IRQ_NONE; 4247 } 4248 4249 ha = rsp->hw; 4250 reg = &ha->iobase->isp24; 4251 status = 0; 4252 4253 if (unlikely(pci_channel_offline(ha->pdev))) 4254 return IRQ_HANDLED; 4255 4256 spin_lock_irqsave(&ha->hardware_lock, flags); 4257 vha = pci_get_drvdata(ha->pdev); 4258 for (iter = 50; iter--; ) { 4259 stat = rd_reg_dword(®->host_status); 4260 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 4261 break; 4262 if (stat & HSRX_RISC_PAUSED) { 4263 if (unlikely(pci_channel_offline(ha->pdev))) 4264 break; 4265 4266 hccr = rd_reg_dword(®->hccr); 4267 4268 ql_log(ql_log_warn, vha, 0x504b, 4269 "RISC paused -- HCCR=%x, Dumping firmware.\n", 4270 hccr); 4271 4272 qla2xxx_check_risc_status(vha); 4273 4274 ha->isp_ops->fw_dump(vha); 4275 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 4276 break; 4277 } else if ((stat & HSRX_RISC_INT) == 0) 4278 break; 4279 4280 switch (stat & 0xff) { 4281 case INTR_ROM_MB_SUCCESS: 4282 case INTR_ROM_MB_FAILED: 4283 case INTR_MB_SUCCESS: 4284 case INTR_MB_FAILED: 4285 qla24xx_mbx_completion(vha, MSW(stat)); 4286 status |= MBX_INTERRUPT; 4287 4288 break; 4289 case INTR_ASYNC_EVENT: 4290 mb[0] = MSW(stat); 4291 mb[1] = rd_reg_word(®->mailbox1); 4292 mb[2] = rd_reg_word(®->mailbox2); 4293 mb[3] = rd_reg_word(®->mailbox3); 4294 qla2x00_async_event(vha, rsp, mb); 4295 break; 4296 case INTR_RSP_QUE_UPDATE: 4297 case INTR_RSP_QUE_UPDATE_83XX: 4298 qla24xx_process_response_queue(vha, rsp); 4299 break; 4300 case INTR_ATIO_QUE_UPDATE_27XX: 4301 case INTR_ATIO_QUE_UPDATE: 4302 process_atio = true; 4303 break; 4304 case INTR_ATIO_RSP_QUE_UPDATE: 4305 process_atio = true; 4306 qla24xx_process_response_queue(vha, rsp); 4307 break; 4308 default: 4309 ql_dbg(ql_dbg_async, vha, 0x504f, 4310 "Unrecognized interrupt type (%d).\n", stat * 0xff); 4311 break; 4312 } 4313 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4314 rd_reg_dword_relaxed(®->hccr); 4315 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 4316 ndelay(3500); 4317 } 4318 qla2x00_handle_mbx_completion(ha, status); 4319 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4320 4321 if (process_atio) { 4322 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 4323 qlt_24xx_process_atio_queue(vha, 0); 4324 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 4325 } 4326 4327 return IRQ_HANDLED; 4328 } 4329 4330 static irqreturn_t qla24xx_msix_rsp_q(int irq,void * dev_id)4331 qla24xx_msix_rsp_q(int irq, void *dev_id) 4332 { 4333 struct qla_hw_data *ha; 4334 struct rsp_que *rsp; 4335 struct device_reg_24xx __iomem *reg; 4336 struct scsi_qla_host *vha; 4337 unsigned long flags; 4338 4339 rsp = (struct rsp_que *) dev_id; 4340 if (!rsp) { 4341 ql_log(ql_log_info, NULL, 0x505a, 4342 "%s: NULL response queue pointer.\n", __func__); 4343 return IRQ_NONE; 4344 } 4345 ha = rsp->hw; 4346 reg = &ha->iobase->isp24; 4347 4348 spin_lock_irqsave(&ha->hardware_lock, flags); 4349 4350 vha = pci_get_drvdata(ha->pdev); 4351 qla24xx_process_response_queue(vha, rsp); 4352 if (!ha->flags.disable_msix_handshake) { 4353 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4354 rd_reg_dword_relaxed(®->hccr); 4355 } 4356 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4357 4358 return IRQ_HANDLED; 4359 } 4360 4361 static irqreturn_t qla24xx_msix_default(int irq,void * dev_id)4362 qla24xx_msix_default(int irq, void *dev_id) 4363 { 4364 scsi_qla_host_t *vha; 4365 struct qla_hw_data *ha; 4366 struct rsp_que *rsp; 4367 struct device_reg_24xx __iomem *reg; 4368 int status; 4369 uint32_t stat; 4370 uint32_t hccr; 4371 uint16_t mb[8]; 4372 unsigned long flags; 4373 bool process_atio = false; 4374 4375 rsp = (struct rsp_que *) dev_id; 4376 if (!rsp) { 4377 ql_log(ql_log_info, NULL, 0x505c, 4378 "%s: NULL response queue pointer.\n", __func__); 4379 return IRQ_NONE; 4380 } 4381 ha = rsp->hw; 4382 reg = &ha->iobase->isp24; 4383 status = 0; 4384 4385 spin_lock_irqsave(&ha->hardware_lock, flags); 4386 vha = pci_get_drvdata(ha->pdev); 4387 do { 4388 stat = rd_reg_dword(®->host_status); 4389 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 4390 break; 4391 if (stat & HSRX_RISC_PAUSED) { 4392 if (unlikely(pci_channel_offline(ha->pdev))) 4393 break; 4394 4395 hccr = rd_reg_dword(®->hccr); 4396 4397 ql_log(ql_log_info, vha, 0x5050, 4398 "RISC paused -- HCCR=%x, Dumping firmware.\n", 4399 hccr); 4400 4401 qla2xxx_check_risc_status(vha); 4402 vha->hw_err_cnt++; 4403 4404 ha->isp_ops->fw_dump(vha); 4405 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 4406 break; 4407 } else if ((stat & HSRX_RISC_INT) == 0) 4408 break; 4409 4410 switch (stat & 0xff) { 4411 case INTR_ROM_MB_SUCCESS: 4412 case INTR_ROM_MB_FAILED: 4413 case INTR_MB_SUCCESS: 4414 case INTR_MB_FAILED: 4415 qla24xx_mbx_completion(vha, MSW(stat)); 4416 status |= MBX_INTERRUPT; 4417 4418 break; 4419 case INTR_ASYNC_EVENT: 4420 mb[0] = MSW(stat); 4421 mb[1] = rd_reg_word(®->mailbox1); 4422 mb[2] = rd_reg_word(®->mailbox2); 4423 mb[3] = rd_reg_word(®->mailbox3); 4424 qla2x00_async_event(vha, rsp, mb); 4425 break; 4426 case INTR_RSP_QUE_UPDATE: 4427 case INTR_RSP_QUE_UPDATE_83XX: 4428 qla24xx_process_response_queue(vha, rsp); 4429 break; 4430 case INTR_ATIO_QUE_UPDATE_27XX: 4431 case INTR_ATIO_QUE_UPDATE: 4432 process_atio = true; 4433 break; 4434 case INTR_ATIO_RSP_QUE_UPDATE: 4435 process_atio = true; 4436 qla24xx_process_response_queue(vha, rsp); 4437 break; 4438 default: 4439 ql_dbg(ql_dbg_async, vha, 0x5051, 4440 "Unrecognized interrupt type (%d).\n", stat & 0xff); 4441 break; 4442 } 4443 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4444 } while (0); 4445 qla2x00_handle_mbx_completion(ha, status); 4446 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4447 4448 if (process_atio) { 4449 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 4450 qlt_24xx_process_atio_queue(vha, 0); 4451 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 4452 } 4453 4454 return IRQ_HANDLED; 4455 } 4456 4457 irqreturn_t qla2xxx_msix_rsp_q(int irq,void * dev_id)4458 qla2xxx_msix_rsp_q(int irq, void *dev_id) 4459 { 4460 struct qla_hw_data *ha; 4461 struct qla_qpair *qpair; 4462 4463 qpair = dev_id; 4464 if (!qpair) { 4465 ql_log(ql_log_info, NULL, 0x505b, 4466 "%s: NULL response queue pointer.\n", __func__); 4467 return IRQ_NONE; 4468 } 4469 ha = qpair->hw; 4470 4471 queue_work(ha->wq, &qpair->q_work); 4472 4473 return IRQ_HANDLED; 4474 } 4475 4476 irqreturn_t qla2xxx_msix_rsp_q_hs(int irq,void * dev_id)4477 qla2xxx_msix_rsp_q_hs(int irq, void *dev_id) 4478 { 4479 struct qla_hw_data *ha; 4480 struct qla_qpair *qpair; 4481 struct device_reg_24xx __iomem *reg; 4482 unsigned long flags; 4483 4484 qpair = dev_id; 4485 if (!qpair) { 4486 ql_log(ql_log_info, NULL, 0x505b, 4487 "%s: NULL response queue pointer.\n", __func__); 4488 return IRQ_NONE; 4489 } 4490 ha = qpair->hw; 4491 4492 reg = &ha->iobase->isp24; 4493 spin_lock_irqsave(&ha->hardware_lock, flags); 4494 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); 4495 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4496 4497 queue_work(ha->wq, &qpair->q_work); 4498 4499 return IRQ_HANDLED; 4500 } 4501 4502 /* Interrupt handling helpers. */ 4503 4504 struct qla_init_msix_entry { 4505 const char *name; 4506 irq_handler_t handler; 4507 }; 4508 4509 static const struct qla_init_msix_entry msix_entries[] = { 4510 { "default", qla24xx_msix_default }, 4511 { "rsp_q", qla24xx_msix_rsp_q }, 4512 { "atio_q", qla83xx_msix_atio_q }, 4513 { "qpair_multiq", qla2xxx_msix_rsp_q }, 4514 { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs }, 4515 }; 4516 4517 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 4518 { "qla2xxx (default)", qla82xx_msix_default }, 4519 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 4520 }; 4521 4522 static int qla24xx_enable_msix(struct qla_hw_data * ha,struct rsp_que * rsp)4523 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 4524 { 4525 int i, ret; 4526 struct qla_msix_entry *qentry; 4527 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4528 int min_vecs = QLA_BASE_VECTORS; 4529 struct irq_affinity desc = { 4530 .pre_vectors = QLA_BASE_VECTORS, 4531 }; 4532 4533 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 4534 IS_ATIO_MSIX_CAPABLE(ha)) { 4535 desc.pre_vectors++; 4536 min_vecs++; 4537 } 4538 4539 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 4540 /* user wants to control IRQ setting for target mode */ 4541 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 4542 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), 4543 PCI_IRQ_MSIX); 4544 } else 4545 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 4546 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), 4547 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 4548 &desc); 4549 4550 if (ret < 0) { 4551 ql_log(ql_log_fatal, vha, 0x00c7, 4552 "MSI-X: Failed to enable support, " 4553 "giving up -- %d/%d.\n", 4554 ha->msix_count, ret); 4555 goto msix_out; 4556 } else if (ret < ha->msix_count) { 4557 ql_log(ql_log_info, vha, 0x00c6, 4558 "MSI-X: Using %d vectors\n", ret); 4559 ha->msix_count = ret; 4560 /* Recalculate queue values */ 4561 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 4562 ha->max_req_queues = ha->msix_count - 1; 4563 4564 /* ATIOQ needs 1 vector. That's 1 less QPair */ 4565 if (QLA_TGT_MODE_ENABLED()) 4566 ha->max_req_queues--; 4567 4568 ha->max_rsp_queues = ha->max_req_queues; 4569 4570 ha->max_qpairs = ha->max_req_queues - 1; 4571 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 4572 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 4573 } 4574 } 4575 vha->irq_offset = desc.pre_vectors; 4576 ha->msix_entries = kcalloc(ha->msix_count, 4577 sizeof(struct qla_msix_entry), 4578 GFP_KERNEL); 4579 if (!ha->msix_entries) { 4580 ql_log(ql_log_fatal, vha, 0x00c8, 4581 "Failed to allocate memory for ha->msix_entries.\n"); 4582 ret = -ENOMEM; 4583 goto free_irqs; 4584 } 4585 ha->flags.msix_enabled = 1; 4586 4587 for (i = 0; i < ha->msix_count; i++) { 4588 qentry = &ha->msix_entries[i]; 4589 qentry->vector = pci_irq_vector(ha->pdev, i); 4590 qentry->vector_base0 = i; 4591 qentry->entry = i; 4592 qentry->have_irq = 0; 4593 qentry->in_use = 0; 4594 qentry->handle = NULL; 4595 } 4596 4597 /* Enable MSI-X vectors for the base queue */ 4598 for (i = 0; i < QLA_BASE_VECTORS; i++) { 4599 qentry = &ha->msix_entries[i]; 4600 qentry->handle = rsp; 4601 rsp->msix = qentry; 4602 scnprintf(qentry->name, sizeof(qentry->name), 4603 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 4604 if (IS_P3P_TYPE(ha)) 4605 ret = request_irq(qentry->vector, 4606 qla82xx_msix_entries[i].handler, 4607 0, qla82xx_msix_entries[i].name, rsp); 4608 else 4609 ret = request_irq(qentry->vector, 4610 msix_entries[i].handler, 4611 0, qentry->name, rsp); 4612 if (ret) 4613 goto msix_register_fail; 4614 qentry->have_irq = 1; 4615 qentry->in_use = 1; 4616 } 4617 4618 /* 4619 * If target mode is enable, also request the vector for the ATIO 4620 * queue. 4621 */ 4622 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 4623 IS_ATIO_MSIX_CAPABLE(ha)) { 4624 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 4625 rsp->msix = qentry; 4626 qentry->handle = rsp; 4627 scnprintf(qentry->name, sizeof(qentry->name), 4628 "qla2xxx%lu_%s", vha->host_no, 4629 msix_entries[QLA_ATIO_VECTOR].name); 4630 qentry->in_use = 1; 4631 ret = request_irq(qentry->vector, 4632 msix_entries[QLA_ATIO_VECTOR].handler, 4633 0, qentry->name, rsp); 4634 qentry->have_irq = 1; 4635 } 4636 4637 msix_register_fail: 4638 if (ret) { 4639 ql_log(ql_log_fatal, vha, 0x00cb, 4640 "MSI-X: unable to register handler -- %x/%d.\n", 4641 qentry->vector, ret); 4642 qla2x00_free_irqs(vha); 4643 ha->mqenable = 0; 4644 goto msix_out; 4645 } 4646 4647 /* Enable MSI-X vector for response queue update for queue 0 */ 4648 if (IS_MQUE_CAPABLE(ha) && 4649 (ha->msixbase && ha->mqiobase && ha->max_qpairs)) 4650 ha->mqenable = 1; 4651 else 4652 ha->mqenable = 0; 4653 4654 ql_dbg(ql_dbg_multiq, vha, 0xc005, 4655 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 4656 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 4657 ql_dbg(ql_dbg_init, vha, 0x0055, 4658 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 4659 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 4660 4661 msix_out: 4662 return ret; 4663 4664 free_irqs: 4665 pci_free_irq_vectors(ha->pdev); 4666 goto msix_out; 4667 } 4668 4669 int qla2x00_request_irqs(struct qla_hw_data * ha,struct rsp_que * rsp)4670 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 4671 { 4672 int ret = QLA_FUNCTION_FAILED; 4673 device_reg_t *reg = ha->iobase; 4674 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4675 4676 /* If possible, enable MSI-X. */ 4677 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 4678 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 4679 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) 4680 goto skip_msi; 4681 4682 if (ql2xenablemsix == 2) 4683 goto skip_msix; 4684 4685 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 4686 (ha->pdev->subsystem_device == 0x7040 || 4687 ha->pdev->subsystem_device == 0x7041 || 4688 ha->pdev->subsystem_device == 0x1705)) { 4689 ql_log(ql_log_warn, vha, 0x0034, 4690 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 4691 ha->pdev->subsystem_vendor, 4692 ha->pdev->subsystem_device); 4693 goto skip_msi; 4694 } 4695 4696 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 4697 ql_log(ql_log_warn, vha, 0x0035, 4698 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 4699 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 4700 goto skip_msix; 4701 } 4702 4703 ret = qla24xx_enable_msix(ha, rsp); 4704 if (!ret) { 4705 ql_dbg(ql_dbg_init, vha, 0x0036, 4706 "MSI-X: Enabled (0x%X, 0x%X).\n", 4707 ha->chip_revision, ha->fw_attributes); 4708 goto clear_risc_ints; 4709 } 4710 4711 skip_msix: 4712 4713 ql_log(ql_log_info, vha, 0x0037, 4714 "Falling back-to MSI mode -- ret=%d.\n", ret); 4715 4716 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 4717 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 4718 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 4719 goto skip_msi; 4720 4721 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 4722 if (ret > 0) { 4723 ql_dbg(ql_dbg_init, vha, 0x0038, 4724 "MSI: Enabled.\n"); 4725 ha->flags.msi_enabled = 1; 4726 } else 4727 ql_log(ql_log_warn, vha, 0x0039, 4728 "Falling back-to INTa mode -- ret=%d.\n", ret); 4729 skip_msi: 4730 4731 /* Skip INTx on ISP82xx. */ 4732 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 4733 return QLA_FUNCTION_FAILED; 4734 4735 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 4736 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 4737 QLA2XXX_DRIVER_NAME, rsp); 4738 if (ret) { 4739 ql_log(ql_log_warn, vha, 0x003a, 4740 "Failed to reserve interrupt %d already in use.\n", 4741 ha->pdev->irq); 4742 goto fail; 4743 } else if (!ha->flags.msi_enabled) { 4744 ql_dbg(ql_dbg_init, vha, 0x0125, 4745 "INTa mode: Enabled.\n"); 4746 ha->flags.mr_intr_valid = 1; 4747 /* Set max_qpair to 0, as MSI-X and MSI in not enabled */ 4748 ha->max_qpairs = 0; 4749 } 4750 4751 clear_risc_ints: 4752 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 4753 goto fail; 4754 4755 spin_lock_irq(&ha->hardware_lock); 4756 wrt_reg_word(®->isp.semaphore, 0); 4757 spin_unlock_irq(&ha->hardware_lock); 4758 4759 fail: 4760 return ret; 4761 } 4762 4763 void qla2x00_free_irqs(scsi_qla_host_t * vha)4764 qla2x00_free_irqs(scsi_qla_host_t *vha) 4765 { 4766 struct qla_hw_data *ha = vha->hw; 4767 struct rsp_que *rsp; 4768 struct qla_msix_entry *qentry; 4769 int i; 4770 4771 /* 4772 * We need to check that ha->rsp_q_map is valid in case we are called 4773 * from a probe failure context. 4774 */ 4775 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 4776 goto free_irqs; 4777 rsp = ha->rsp_q_map[0]; 4778 4779 if (ha->flags.msix_enabled) { 4780 for (i = 0; i < ha->msix_count; i++) { 4781 qentry = &ha->msix_entries[i]; 4782 if (qentry->have_irq) { 4783 irq_set_affinity_notifier(qentry->vector, NULL); 4784 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 4785 } 4786 } 4787 kfree(ha->msix_entries); 4788 ha->msix_entries = NULL; 4789 ha->flags.msix_enabled = 0; 4790 ql_dbg(ql_dbg_init, vha, 0x0042, 4791 "Disabled MSI-X.\n"); 4792 } else { 4793 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 4794 } 4795 4796 free_irqs: 4797 pci_free_irq_vectors(ha->pdev); 4798 } 4799 qla25xx_request_irq(struct qla_hw_data * ha,struct qla_qpair * qpair,struct qla_msix_entry * msix,int vector_type)4800 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 4801 struct qla_msix_entry *msix, int vector_type) 4802 { 4803 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 4804 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 4805 int ret; 4806 4807 scnprintf(msix->name, sizeof(msix->name), 4808 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 4809 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 4810 if (ret) { 4811 ql_log(ql_log_fatal, vha, 0x00e6, 4812 "MSI-X: Unable to register handler -- %x/%d.\n", 4813 msix->vector, ret); 4814 return ret; 4815 } 4816 msix->have_irq = 1; 4817 msix->handle = qpair; 4818 qla_mapq_init_qp_cpu_map(ha, msix, qpair); 4819 return ret; 4820 } 4821