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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * QLogic Fibre Channel HBA Driver4 * Copyright (c) 2003-2014 QLogic Corporation5 */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 20static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);21static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);22static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);23static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,24 sts_entry_t *);25static void qla27xx_process_purex_fpin(struct scsi_qla_host *vha,26 struct purex_item *item);27static struct purex_item *qla24xx_alloc_purex_item(scsi_qla_host_t *vha,28 uint16_t size);29static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha,30 void *pkt);31static struct purex_item *qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha,32 void **pkt, struct rsp_que **rsp);33 34static void35qla27xx_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 51const 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 62static 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 75static void76qla24xx_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 processed190 * or consumed the head IOCB along with the continuation IOCB's from the191 * provided respond queue.192 * @vha: host adapter pointer193 * @pkt: pointer to current packet. On return, this pointer shall move194 * to the next packet.195 * @rsp: respond queue pointer.196 *197 * it is assumed pkt is the head iocb, not the continuation iocbk198 */199void __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 IOCB229 * and save to provided buffer230 * @vha: host adapter pointer231 * @pkt: pointer Purex IOCB232 * @rsp: respond queue233 * @buf: extracted ELS payload copy here234 * @buf_len: buffer length235 */236int __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 to253 * round up / pad for room to swap, before saving data254 */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 number334 * @dev_id: SCSI driver HA context335 *336 * Called by system whenever the host adapter generates an interrupt.337 *338 * Returns handled flag.339 */340irqreturn_t341qla2100_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 interrupt376 * bit to be cleared. Schedule a big hammer to get377 * 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 424bool425qla2x00_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 } else436 return false;437}438 439bool440qla2x00_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 number448 * @dev_id: SCSI driver HA context449 *450 * Called by system whenever the host adapter generates an interrupt.451 *452 * Returns handled flag.453 */454irqreturn_t455qla2300_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 else496 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 RISC502 * interrupt bit to be cleared. Schedule a big503 * 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 context563 * @mb0: Mailbox0 register564 */565static void566qla2x00_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 else580 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 601static void602qla81xx_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 else618 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 2663const char *664qla2x00_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 else678 return link_speeds[LS_UNKNOWN];679}680 681static void682qla83xx_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 code689 * mb[1] = AEN Reason code690 * mb[2] = LSW of Peg-Halt Status-1 Register691 * mb[6] = MSW of Peg-Halt Status-1 Register692 * mb[3] = LSW of Peg-Halt Status-2 register693 * mb[7] = MSW of Peg-Halt Status-2 register694 * mb[4] = IDC Device-State Register value695 * mb[5] = IDC Driver-Presence Register value696 */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 ID718 * Bits 8-28 = f/w error code719 * Bits 29-31 = Error-level720 * Error-level 0x1 = Non-Fatal error721 * Error-level 0x2 = Recoverable Fatal error722 * Error-level 0x4 = UnRecoverable Fatal error723 * - 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 state766 * Bit 8 = N/W Interface Link-up767 * Bit 9 = N/W Interface signal detected768 * Bits 10-11 = SFP Status769 * SFP Status 0x0 = SFP+ transceiver not expected770 * SFP Status 0x1 = SFP+ transceiver not present771 * SFP Status 0x2 = SFP+ transceiver invalid772 * SFP Status 0x3 = SFP+ transceiver present and773 * valid774 * Bits 12-14 = Heartbeat Counter775 * Bit 15 = Heartbeat Monitor Enable776 * Bits 16-17 = SFP Additional Info777 * SFP info 0x0 = Unregocnized transceiver for778 * Ethernet779 * SFP info 0x1 = SFP+ brand validation failed780 * SFP info 0x2 = SFP+ speed validation failed781 * SFP info 0x3 = SFP+ access error782 * Bit 18 = SFP Multirate783 * Bit 19 = SFP Tx Fault784 * Bits 20-22 = Link Speed785 * Bits 23-27 = Reserved786 * Bits 28-30 = DCBX Status787 * DCBX Status 0x0 = DCBX Disabled788 * DCBX Status 0x1 = DCBX Enabled789 * DCBX Status 0x2 = DCBX Exchange error790 * Bit 31 = Reserved791 */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 can844 * span over multiple IOCBs.845 * @vha: SCSI driver HA context846 * @pkt: ELS packet847 * @rsp: Response queue848 * @is_purls: True, for Unsolicited Received FC-NVMe LS rsp IOCB849 * false, for Unsolicited Received ELS IOCB850 * @byte_order: True, to change the byte ordering of iocb payload851 */852struct purex_item *853qla27xx_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 else897 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 else905 ((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 971int972qla2x00_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 996fc_port_t *997qla2x00_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 1008fc_port_t *1009qla2x00_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 1025fc_port_t *1026qla2x00_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. */1044static void1045qla27xx_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 1076static struct purex_item *1077qla24xx_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 1100initialize_purex_header:1101 item->vha = vha;1102 item->size = size;1103 return item;1104}1105 1106void1107qla24xx_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 is1125 * contained in a single IOCB.1126 * purex packet.1127 * @vha: SCSI driver HA context1128 * @pkt: ELS packet1129 */1130static struct purex_item1131*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 can1146 * span over multiple IOCBs.1147 * @vha: SCSI driver HA context1148 * @pkt: ELS packet1149 * @rsp: Response queue1150 */1151static struct purex_item *1152qla27xx_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 context1252 * @rsp: response queue1253 * @mb: Mailbox registers (0 - 3)1254 */1255void1256qla2x00_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 }1330skip_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 } else1366 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 } else1399 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 else1459 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 from1500 * NVRAM in case of FA-WWPN capable ISP1501 * Restore for Physical Port only1502 */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 } else1569 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, treat1574 * 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 events1626 *1627 * Relevant inputs:1628 * mb[1] = N_Port handle of changed port1629 * OR 0xffff for global event1630 * mb[2] = New login state1631 * 7 = Port logged out1632 * mb[3] = LSB is vp_idx, 0xff = all vps1633 *1634 * Skip processing if:1635 * Event is global, vp_idx is NOT all vps,1636 * vp_idx does not match1637 * Event is not global, vp_idx does not match1638 */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 else1663 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 1685global_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_RESET1708 * event etc. earlier indicating loop is down) then process1709 * 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 else1798 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 context1977 * @req: request queue1978 * @index: SRB index1979 */1980void1981qla2x00_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 else1995 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 else2012 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);2013 }2014}2015 2016static srb_t *2017qla_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 else2036 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 2058srb_t *2059qla2x00_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 2072static void2073qla2x00_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 2154logio_done:2155 sp->done(sp, 0);2156}2157 2158static void2159qla24xx_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 else2181 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 2196static void2197qla24xxx_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 2214static void2215qla2x00_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/CT2241 * fc payload to the caller2242 */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_status2276 */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 2286static void2287qla24xx_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_status2367 */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/CT2453 * fc payload to the caller2454 */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 }2491els_ct_done:2492 2493 sp->done(sp, res);2494}2495 2496static void2497qla24xx_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 else2613 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 else2630 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 2637logio_done:2638 sp->done(sp, 0);2639}2640 2641static void2642qla24xx_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 2717static 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 else2738 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 buffer2750 * if both are 0, that is good path case.2751 * if six is set and 0 is clear, we need to2752 * 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 this2763 * 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 there2807 * 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 2857static 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. */2889static 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 queue2937 */2938void2939qla2x00_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 2978static inline void2979qla2x00_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/*3018 * Checks the guard or meta-data for the type of error3019 * detected by the HBA. In case of errors, we set the3020 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST3021 * to indicate to the kernel that the HBA detected error.3022 */3023static inline int3024qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)3025{3026 struct scsi_qla_host *vha = sp->vha;3027 struct scsi_cmnd *cmd = GET_CMD_SP(sp);3028 uint8_t *ap = &sts24->data[12];3029 uint8_t *ep = &sts24->data[20];3030 uint32_t e_ref_tag, a_ref_tag;3031 uint16_t e_app_tag, a_app_tag;3032 uint16_t e_guard, a_guard;3033 3034 /*3035 * swab32 of the "data" field in the beginning of qla2x00_status_entry()3036 * would make guard field appear at offset 23037 */3038 a_guard = get_unaligned_le16(ap + 2);3039 a_app_tag = get_unaligned_le16(ap + 0);3040 a_ref_tag = get_unaligned_le32(ap + 4);3041 e_guard = get_unaligned_le16(ep + 2);3042 e_app_tag = get_unaligned_le16(ep + 0);3043 e_ref_tag = get_unaligned_le32(ep + 4);3044 3045 ql_dbg(ql_dbg_io, vha, 0x3023,3046 "iocb(s) %p Returned STATUS.\n", sts24);3047 3048 ql_dbg(ql_dbg_io, vha, 0x3024,3049 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"3050 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"3051 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",3052 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,3053 a_app_tag, e_app_tag, a_guard, e_guard);3054 3055 /*3056 * Ignore sector if:3057 * For type 3: ref & app tag is all 'f's3058 * For type 0,1,2: app tag is all 'f's3059 */3060 if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) &&3061 (scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 ||3062 a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) {3063 uint32_t blocks_done, resid;3064 sector_t lba_s = scsi_get_lba(cmd);3065 3066 /* 2TB boundary case covered automatically with this */3067 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;3068 3069 resid = scsi_bufflen(cmd) - (blocks_done *3070 cmd->device->sector_size);3071 3072 scsi_set_resid(cmd, resid);3073 cmd->result = DID_OK << 16;3074 3075 /* Update protection tag */3076 if (scsi_prot_sg_count(cmd)) {3077 uint32_t i, j = 0, k = 0, num_ent;3078 struct scatterlist *sg;3079 struct t10_pi_tuple *spt;3080 3081 /* Patch the corresponding protection tags */3082 scsi_for_each_prot_sg(cmd, sg,3083 scsi_prot_sg_count(cmd), i) {3084 num_ent = sg_dma_len(sg) / 8;3085 if (k + num_ent < blocks_done) {3086 k += num_ent;3087 continue;3088 }3089 j = blocks_done - k - 1;3090 k = blocks_done;3091 break;3092 }3093 3094 if (k != blocks_done) {3095 ql_log(ql_log_warn, vha, 0x302f,3096 "unexpected tag values tag:lba=%x:%llx)\n",3097 e_ref_tag, (unsigned long long)lba_s);3098 return 1;3099 }3100 3101 spt = page_address(sg_page(sg)) + sg->offset;3102 spt += j;3103 3104 spt->app_tag = T10_PI_APP_ESCAPE;3105 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)3106 spt->ref_tag = T10_PI_REF_ESCAPE;3107 }3108 3109 return 0;3110 }3111 3112 /* check guard */3113 if (e_guard != a_guard) {3114 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1);3115 set_host_byte(cmd, DID_ABORT);3116 return 1;3117 }3118 3119 /* check ref tag */3120 if (e_ref_tag != a_ref_tag) {3121 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3);3122 set_host_byte(cmd, DID_ABORT);3123 return 1;3124 }3125 3126 /* check appl tag */3127 if (e_app_tag != a_app_tag) {3128 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2);3129 set_host_byte(cmd, DID_ABORT);3130 return 1;3131 }3132 3133 return 1;3134}3135 3136static void3137qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,3138 struct req_que *req, uint32_t index)3139{3140 struct qla_hw_data *ha = vha->hw;3141 srb_t *sp;3142 uint16_t comp_status;3143 uint16_t scsi_status;3144 uint16_t thread_id;3145 uint32_t rval = EXT_STATUS_OK;3146 struct bsg_job *bsg_job = NULL;3147 struct fc_bsg_request *bsg_request;3148 struct fc_bsg_reply *bsg_reply;3149 sts_entry_t *sts = pkt;3150 struct sts_entry_24xx *sts24 = pkt;3151 3152 /* Validate handle. */3153 if (index >= req->num_outstanding_cmds) {3154 ql_log(ql_log_warn, vha, 0x70af,3155 "Invalid SCSI completion handle 0x%x.\n", index);3156 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);3157 return;3158 }3159 3160 sp = req->outstanding_cmds[index];3161 if (!sp) {3162 ql_log(ql_log_warn, vha, 0x70b0,3163 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",3164 req->id, index);3165 3166 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);3167 return;3168 }3169 3170 /* Free outstanding command slot. */3171 req->outstanding_cmds[index] = NULL;3172 bsg_job = sp->u.bsg_job;3173 bsg_request = bsg_job->request;3174 bsg_reply = bsg_job->reply;3175 3176 if (IS_FWI2_CAPABLE(ha)) {3177 comp_status = le16_to_cpu(sts24->comp_status);3178 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;3179 } else {3180 comp_status = le16_to_cpu(sts->comp_status);3181 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;3182 }3183 3184 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];3185 switch (comp_status) {3186 case CS_COMPLETE:3187 if (scsi_status == 0) {3188 bsg_reply->reply_payload_rcv_len =3189 bsg_job->reply_payload.payload_len;3190 vha->qla_stats.input_bytes +=3191 bsg_reply->reply_payload_rcv_len;3192 vha->qla_stats.input_requests++;3193 rval = EXT_STATUS_OK;3194 }3195 goto done;3196 3197 case CS_DATA_OVERRUN:3198 ql_dbg(ql_dbg_user, vha, 0x70b1,3199 "Command completed with data overrun thread_id=%d\n",3200 thread_id);3201 rval = EXT_STATUS_DATA_OVERRUN;3202 break;3203 3204 case CS_DATA_UNDERRUN:3205 ql_dbg(ql_dbg_user, vha, 0x70b2,3206 "Command completed with data underrun thread_id=%d\n",3207 thread_id);3208 rval = EXT_STATUS_DATA_UNDERRUN;3209 break;3210 case CS_BIDIR_RD_OVERRUN:3211 ql_dbg(ql_dbg_user, vha, 0x70b3,3212 "Command completed with read data overrun thread_id=%d\n",3213 thread_id);3214 rval = EXT_STATUS_DATA_OVERRUN;3215 break;3216 3217 case CS_BIDIR_RD_WR_OVERRUN:3218 ql_dbg(ql_dbg_user, vha, 0x70b4,3219 "Command completed with read and write data overrun "3220 "thread_id=%d\n", thread_id);3221 rval = EXT_STATUS_DATA_OVERRUN;3222 break;3223 3224 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:3225 ql_dbg(ql_dbg_user, vha, 0x70b5,3226 "Command completed with read data over and write data "3227 "underrun thread_id=%d\n", thread_id);3228 rval = EXT_STATUS_DATA_OVERRUN;3229 break;3230 3231 case CS_BIDIR_RD_UNDERRUN:3232 ql_dbg(ql_dbg_user, vha, 0x70b6,3233 "Command completed with read data underrun "3234 "thread_id=%d\n", thread_id);3235 rval = EXT_STATUS_DATA_UNDERRUN;3236 break;3237 3238 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:3239 ql_dbg(ql_dbg_user, vha, 0x70b7,3240 "Command completed with read data under and write data "3241 "overrun thread_id=%d\n", thread_id);3242 rval = EXT_STATUS_DATA_UNDERRUN;3243 break;3244 3245 case CS_BIDIR_RD_WR_UNDERRUN:3246 ql_dbg(ql_dbg_user, vha, 0x70b8,3247 "Command completed with read and write data underrun "3248 "thread_id=%d\n", thread_id);3249 rval = EXT_STATUS_DATA_UNDERRUN;3250 break;3251 3252 case CS_BIDIR_DMA:3253 ql_dbg(ql_dbg_user, vha, 0x70b9,3254 "Command completed with data DMA error thread_id=%d\n",3255 thread_id);3256 rval = EXT_STATUS_DMA_ERR;3257 break;3258 3259 case CS_TIMEOUT:3260 ql_dbg(ql_dbg_user, vha, 0x70ba,3261 "Command completed with timeout thread_id=%d\n",3262 thread_id);3263 rval = EXT_STATUS_TIMEOUT;3264 break;3265 default:3266 ql_dbg(ql_dbg_user, vha, 0x70bb,3267 "Command completed with completion status=0x%x "3268 "thread_id=%d\n", comp_status, thread_id);3269 rval = EXT_STATUS_ERR;3270 break;3271 }3272 bsg_reply->reply_payload_rcv_len = 0;3273 3274done:3275 /* Return the vendor specific reply to API */3276 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;3277 bsg_job->reply_len = sizeof(struct fc_bsg_reply);3278 /* Always return DID_OK, bsg will send the vendor specific response3279 * in this case only */3280 sp->done(sp, DID_OK << 16);3281 3282}3283 3284/**3285 * qla2x00_status_entry() - Process a Status IOCB entry.3286 * @vha: SCSI driver HA context3287 * @rsp: response queue3288 * @pkt: Entry pointer3289 */3290static void3291qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)3292{3293 srb_t *sp;3294 fc_port_t *fcport;3295 struct scsi_cmnd *cp;3296 sts_entry_t *sts = pkt;3297 struct sts_entry_24xx *sts24 = pkt;3298 uint16_t comp_status;3299 uint16_t scsi_status;3300 uint16_t ox_id;3301 uint8_t lscsi_status;3302 int32_t resid;3303 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,3304 fw_resid_len;3305 uint8_t *rsp_info, *sense_data;3306 struct qla_hw_data *ha = vha->hw;3307 uint32_t handle;3308 uint16_t que;3309 struct req_que *req;3310 int logit = 1;3311 int res = 0;3312 uint16_t state_flags = 0;3313 uint16_t sts_qual = 0;3314 3315 if (IS_FWI2_CAPABLE(ha)) {3316 comp_status = le16_to_cpu(sts24->comp_status);3317 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;3318 state_flags = le16_to_cpu(sts24->state_flags);3319 } else {3320 comp_status = le16_to_cpu(sts->comp_status);3321 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;3322 }3323 handle = (uint32_t) LSW(sts->handle);3324 que = MSW(sts->handle);3325 req = ha->req_q_map[que];3326 3327 /* Check for invalid queue pointer */3328 if (req == NULL ||3329 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {3330 ql_dbg(ql_dbg_io, vha, 0x3059,3331 "Invalid status handle (0x%x): Bad req pointer. req=%p, "3332 "que=%u.\n", sts->handle, req, que);3333 return;3334 }3335 3336 /* Validate handle. */3337 if (handle < req->num_outstanding_cmds) {3338 sp = req->outstanding_cmds[handle];3339 if (!sp) {3340 ql_dbg(ql_dbg_io, vha, 0x3075,3341 "%s(%ld): Already returned command for status handle (0x%x).\n",3342 __func__, vha->host_no, sts->handle);3343 return;3344 }3345 } else {3346 ql_dbg(ql_dbg_io, vha, 0x3017,3347 "Invalid status handle, out of range (0x%x).\n",3348 sts->handle);3349 3350 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {3351 if (IS_P3P_TYPE(ha))3352 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);3353 else3354 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);3355 qla2xxx_wake_dpc(vha);3356 }3357 return;3358 }3359 qla_put_fw_resources(sp->qpair, &sp->iores);3360 3361 if (sp->cmd_type != TYPE_SRB) {3362 req->outstanding_cmds[handle] = NULL;3363 ql_dbg(ql_dbg_io, vha, 0x3015,3364 "Unknown sp->cmd_type %x %p).\n",3365 sp->cmd_type, sp);3366 return;3367 }3368 3369 /* NVME completion. */3370 if (sp->type == SRB_NVME_CMD) {3371 req->outstanding_cmds[handle] = NULL;3372 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);3373 return;3374 }3375 3376 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {3377 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);3378 return;3379 }3380 3381 /* Task Management completion. */3382 if (sp->type == SRB_TM_CMD) {3383 qla24xx_tm_iocb_entry(vha, req, pkt);3384 return;3385 }3386 3387 /* Fast path completion. */3388 qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24);3389 sp->qpair->cmd_completion_cnt++;3390 3391 if (comp_status == CS_COMPLETE && scsi_status == 0) {3392 qla2x00_process_completed_request(vha, req, handle);3393 3394 return;3395 }3396 3397 cp = GET_CMD_SP(sp);3398 if (cp == NULL) {3399 ql_dbg(ql_dbg_io, vha, 0x3018,3400 "Command already returned (0x%x/%p).\n",3401 sts->handle, sp);3402 3403 req->outstanding_cmds[handle] = NULL;3404 return;3405 }3406 3407 lscsi_status = scsi_status & STATUS_MASK;3408 3409 fcport = sp->fcport;3410 3411 ox_id = 0;3412 sense_len = par_sense_len = rsp_info_len = resid_len =3413 fw_resid_len = 0;3414 if (IS_FWI2_CAPABLE(ha)) {3415 if (scsi_status & SS_SENSE_LEN_VALID)3416 sense_len = le32_to_cpu(sts24->sense_len);3417 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)3418 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);3419 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))3420 resid_len = le32_to_cpu(sts24->rsp_residual_count);3421 if (comp_status == CS_DATA_UNDERRUN)3422 fw_resid_len = le32_to_cpu(sts24->residual_len);3423 rsp_info = sts24->data;3424 sense_data = sts24->data;3425 host_to_fcp_swap(sts24->data, sizeof(sts24->data));3426 ox_id = le16_to_cpu(sts24->ox_id);3427 par_sense_len = sizeof(sts24->data);3428 sts_qual = le16_to_cpu(sts24->status_qualifier);3429 } else {3430 if (scsi_status & SS_SENSE_LEN_VALID)3431 sense_len = le16_to_cpu(sts->req_sense_length);3432 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)3433 rsp_info_len = le16_to_cpu(sts->rsp_info_len);3434 resid_len = le32_to_cpu(sts->residual_length);3435 rsp_info = sts->rsp_info;3436 sense_data = sts->req_sense_data;3437 par_sense_len = sizeof(sts->req_sense_data);3438 }3439 3440 /* Check for any FCP transport errors. */3441 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {3442 /* Sense data lies beyond any FCP RESPONSE data. */3443 if (IS_FWI2_CAPABLE(ha)) {3444 sense_data += rsp_info_len;3445 par_sense_len -= rsp_info_len;3446 }3447 if (rsp_info_len > 3 && rsp_info[3]) {3448 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,3449 "FCP I/O protocol failure (0x%x/0x%x).\n",3450 rsp_info_len, rsp_info[3]);3451 3452 res = DID_BUS_BUSY << 16;3453 goto out;3454 }3455 }3456 3457 /* Check for overrun. */3458 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&3459 scsi_status & SS_RESIDUAL_OVER)3460 comp_status = CS_DATA_OVERRUN;3461 3462 /*3463 * Check retry_delay_timer value if we receive a busy or3464 * queue full.3465 */3466 if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL ||3467 lscsi_status == SAM_STAT_BUSY))3468 qla2x00_set_retry_delay_timestamp(fcport, sts_qual);3469 3470 /*3471 * Based on Host and scsi status generate status code for Linux3472 */3473 switch (comp_status) {3474 case CS_COMPLETE:3475 case CS_QUEUE_FULL:3476 if (scsi_status == 0) {3477 res = DID_OK << 16;3478 break;3479 }3480 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {3481 resid = resid_len;3482 scsi_set_resid(cp, resid);3483 3484 if (!lscsi_status &&3485 ((unsigned)(scsi_bufflen(cp) - resid) <3486 cp->underflow)) {3487 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,3488 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",3489 resid, scsi_bufflen(cp));3490 3491 res = DID_ERROR << 16;3492 break;3493 }3494 }3495 res = DID_OK << 16 | lscsi_status;3496 3497 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {3498 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,3499 "QUEUE FULL detected.\n");3500 break;3501 }3502 logit = 0;3503 if (lscsi_status != SS_CHECK_CONDITION)3504 break;3505 3506 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);3507 if (!(scsi_status & SS_SENSE_LEN_VALID))3508 break;3509 3510 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,3511 rsp, res);3512 break;3513 3514 case CS_DATA_UNDERRUN:3515 /* Use F/W calculated residual length. */3516 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;3517 scsi_set_resid(cp, resid);3518 if (scsi_status & SS_RESIDUAL_UNDER) {3519 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {3520 ql_log(ql_log_warn, fcport->vha, 0x301d,3521 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",3522 resid, scsi_bufflen(cp));3523 3524 res = DID_ERROR << 16 | lscsi_status;3525 goto check_scsi_status;3526 }3527 3528 if (!lscsi_status &&3529 ((unsigned)(scsi_bufflen(cp) - resid) <3530 cp->underflow)) {3531 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,3532 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",3533 resid, scsi_bufflen(cp));3534 3535 res = DID_ERROR << 16;3536 break;3537 }3538 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&3539 lscsi_status != SAM_STAT_BUSY) {3540 /*3541 * scsi status of task set and busy are considered to be3542 * task not completed.3543 */3544 3545 ql_log(ql_log_warn, fcport->vha, 0x301f,3546 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",3547 resid, scsi_bufflen(cp));3548 3549 vha->interface_err_cnt++;3550 3551 res = DID_ERROR << 16 | lscsi_status;3552 goto check_scsi_status;3553 } else {3554 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,3555 "scsi_status: 0x%x, lscsi_status: 0x%x\n",3556 scsi_status, lscsi_status);3557 }3558 3559 res = DID_OK << 16 | lscsi_status;3560 logit = 0;3561 3562check_scsi_status:3563 /*3564 * Check to see if SCSI Status is non zero. If so report SCSI3565 * Status.3566 */3567 if (lscsi_status != 0) {3568 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {3569 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,3570 "QUEUE FULL detected.\n");3571 logit = 1;3572 break;3573 }3574 if (lscsi_status != SS_CHECK_CONDITION)3575 break;3576 3577 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);3578 if (!(scsi_status & SS_SENSE_LEN_VALID))3579 break;3580 3581 qla2x00_handle_sense(sp, sense_data, par_sense_len,3582 sense_len, rsp, res);3583 }3584 break;3585 3586 case CS_PORT_LOGGED_OUT:3587 case CS_PORT_CONFIG_CHG:3588 case CS_PORT_BUSY:3589 case CS_INCOMPLETE:3590 case CS_PORT_UNAVAILABLE:3591 case CS_TIMEOUT:3592 case CS_RESET:3593 case CS_EDIF_INV_REQ:3594 3595 /*3596 * We are going to have the fc class block the rport3597 * while we try to recover so instruct the mid layer3598 * to requeue until the class decides how to handle this.3599 */3600 res = DID_TRANSPORT_DISRUPTED << 16;3601 3602 if (comp_status == CS_TIMEOUT) {3603 if (IS_FWI2_CAPABLE(ha))3604 break;3605 else if ((le16_to_cpu(sts->status_flags) &3606 SF_LOGOUT_SENT) == 0)3607 break;3608 }3609 3610 if (atomic_read(&fcport->state) == FCS_ONLINE) {3611 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,3612 "Port to be marked lost on fcport=%02x%02x%02x, current "3613 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,3614 fcport->d_id.b.area, fcport->d_id.b.al_pa,3615 port_state_str[FCS_ONLINE],3616 comp_status);3617 3618 qlt_schedule_sess_for_deletion(fcport);3619 }3620 3621 break;3622 3623 case CS_ABORTED:3624 res = DID_RESET << 16;3625 break;3626 3627 case CS_DIF_ERROR:3628 logit = qla2x00_handle_dif_error(sp, sts24);3629 res = cp->result;3630 break;3631 3632 case CS_TRANSPORT:3633 res = DID_ERROR << 16;3634 vha->hw_err_cnt++;3635 3636 if (!IS_PI_SPLIT_DET_CAPABLE(ha))3637 break;3638 3639 if (state_flags & BIT_4)3640 scmd_printk(KERN_WARNING, cp,3641 "Unsupported device '%s' found.\n",3642 cp->device->vendor);3643 break;3644 3645 case CS_DMA:3646 ql_log(ql_log_info, fcport->vha, 0x3022,3647 "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",3648 comp_status, scsi_status, res, vha->host_no,3649 cp->device->id, cp->device->lun, fcport->d_id.b24,3650 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len,3651 resid_len, fw_resid_len, sp, cp);3652 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee,3653 pkt, sizeof(*sts24));3654 res = DID_ERROR << 16;3655 vha->hw_err_cnt++;3656 break;3657 default:3658 res = DID_ERROR << 16;3659 break;3660 }3661 3662out:3663 if (logit)3664 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,3665 "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",3666 comp_status, scsi_status, res, vha->host_no,3667 cp->device->id, cp->device->lun, fcport->d_id.b.domain,3668 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,3669 cp->cmnd, scsi_bufflen(cp), rsp_info_len,3670 resid_len, fw_resid_len, sp, cp);3671 3672 if (rsp->status_srb == NULL)3673 sp->done(sp, res);3674 3675 /* for io's, clearing of outstanding_cmds[handle] means scsi_done was called */3676 req->outstanding_cmds[handle] = NULL;3677}3678 3679/**3680 * qla2x00_status_cont_entry() - Process a Status Continuations entry.3681 * @rsp: response queue3682 * @pkt: Entry pointer3683 *3684 * Extended sense data.3685 */3686static void3687qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)3688{3689 uint8_t sense_sz = 0;3690 struct qla_hw_data *ha = rsp->hw;3691 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);3692 srb_t *sp = rsp->status_srb;3693 struct scsi_cmnd *cp;3694 uint32_t sense_len;3695 uint8_t *sense_ptr;3696 3697 if (!sp || !GET_CMD_SENSE_LEN(sp))3698 return;3699 3700 sense_len = GET_CMD_SENSE_LEN(sp);3701 sense_ptr = GET_CMD_SENSE_PTR(sp);3702 3703 cp = GET_CMD_SP(sp);3704 if (cp == NULL) {3705 ql_log(ql_log_warn, vha, 0x3025,3706 "cmd is NULL: already returned to OS (sp=%p).\n", sp);3707 3708 rsp->status_srb = NULL;3709 return;3710 }3711 3712 if (sense_len > sizeof(pkt->data))3713 sense_sz = sizeof(pkt->data);3714 else3715 sense_sz = sense_len;3716 3717 /* Move sense data. */3718 if (IS_FWI2_CAPABLE(ha))3719 host_to_fcp_swap(pkt->data, sizeof(pkt->data));3720 memcpy(sense_ptr, pkt->data, sense_sz);3721 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,3722 sense_ptr, sense_sz);3723 3724 sense_len -= sense_sz;3725 sense_ptr += sense_sz;3726 3727 SET_CMD_SENSE_PTR(sp, sense_ptr);3728 SET_CMD_SENSE_LEN(sp, sense_len);3729 3730 /* Place command on done queue. */3731 if (sense_len == 0) {3732 rsp->status_srb = NULL;3733 sp->done(sp, cp->result);3734 }3735}3736 3737/**3738 * qla2x00_error_entry() - Process an error entry.3739 * @vha: SCSI driver HA context3740 * @rsp: response queue3741 * @pkt: Entry pointer3742 * return : 1=allow further error analysis. 0=no additional error analysis.3743 */3744static int3745qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)3746{3747 srb_t *sp;3748 struct qla_hw_data *ha = vha->hw;3749 const char func[] = "ERROR-IOCB";3750 uint16_t que = MSW(pkt->handle);3751 struct req_que *req = NULL;3752 int res = DID_ERROR << 16;3753 u16 index;3754 3755 ql_dbg(ql_dbg_async, vha, 0x502a,3756 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",3757 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);3758 3759 if (que >= ha->max_req_queues || !ha->req_q_map[que])3760 goto fatal;3761 3762 req = ha->req_q_map[que];3763 3764 if (pkt->entry_status & RF_BUSY)3765 res = DID_BUS_BUSY << 16;3766 3767 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)3768 return 0;3769 3770 switch (pkt->entry_type) {3771 case NOTIFY_ACK_TYPE:3772 case STATUS_CONT_TYPE:3773 case LOGINOUT_PORT_IOCB_TYPE:3774 case CT_IOCB_TYPE:3775 case ELS_IOCB_TYPE:3776 case ABORT_IOCB_TYPE:3777 case MBX_IOCB_TYPE:3778 default:3779 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);3780 if (sp) {3781 sp->done(sp, res);3782 return 0;3783 }3784 break;3785 3786 case SA_UPDATE_IOCB_TYPE:3787 case ABTS_RESP_24XX:3788 case CTIO_TYPE7:3789 case CTIO_CRC2:3790 return 1;3791 case STATUS_TYPE:3792 sp = qla_get_sp_from_handle(vha, func, req, pkt, &index);3793 if (sp) {3794 sp->done(sp, res);3795 req->outstanding_cmds[index] = NULL;3796 return 0;3797 }3798 break;3799 }3800fatal:3801 ql_log(ql_log_warn, vha, 0x5030,3802 "Error entry - invalid handle/queue (%04x).\n", que);3803 return 0;3804}3805 3806/**3807 * qla24xx_mbx_completion() - Process mailbox command completions.3808 * @vha: SCSI driver HA context3809 * @mb0: Mailbox0 register3810 */3811static void3812qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)3813{3814 uint16_t cnt;3815 uint32_t mboxes;3816 __le16 __iomem *wptr;3817 struct qla_hw_data *ha = vha->hw;3818 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;3819 3820 /* Read all mbox registers? */3821 WARN_ON_ONCE(ha->mbx_count > 32);3822 mboxes = (1ULL << ha->mbx_count) - 1;3823 if (!ha->mcp)3824 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");3825 else3826 mboxes = ha->mcp->in_mb;3827 3828 /* Load return mailbox registers. */3829 ha->flags.mbox_int = 1;3830 ha->mailbox_out[0] = mb0;3831 mboxes >>= 1;3832 wptr = ®->mailbox1;3833 3834 for (cnt = 1; cnt < ha->mbx_count; cnt++) {3835 if (mboxes & BIT_0)3836 ha->mailbox_out[cnt] = rd_reg_word(wptr);3837 3838 mboxes >>= 1;3839 wptr++;3840 }3841}3842 3843static void3844qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,3845 struct abort_entry_24xx *pkt)3846{3847 const char func[] = "ABT_IOCB";3848 srb_t *sp;3849 srb_t *orig_sp = NULL;3850 struct srb_iocb *abt;3851 3852 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);3853 if (!sp)3854 return;3855 3856 abt = &sp->u.iocb_cmd;3857 abt->u.abt.comp_status = pkt->comp_status;3858 orig_sp = sp->cmd_sp;3859 /* Need to pass original sp */3860 if (orig_sp)3861 qla_nvme_abort_process_comp_status(pkt, orig_sp);3862 3863 sp->done(sp, 0);3864}3865 3866void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,3867 struct pt_ls4_request *pkt, struct req_que *req)3868{3869 srb_t *sp;3870 const char func[] = "LS4_IOCB";3871 uint16_t comp_status;3872 3873 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);3874 if (!sp)3875 return;3876 3877 comp_status = le16_to_cpu(pkt->status);3878 sp->done(sp, comp_status);3879}3880 3881/**3882 * qla_chk_cont_iocb_avail - check for all continuation iocbs are available3883 * before iocb processing can start.3884 * @vha: host adapter pointer3885 * @rsp: respond queue3886 * @pkt: head iocb describing how many continuation iocb3887 * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived.3888 */3889static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha,3890 struct rsp_que *rsp, response_t *pkt, u32 rsp_q_in)3891{3892 int start_pkt_ring_index;3893 u32 iocb_cnt = 0;3894 int rc = 0;3895 3896 if (pkt->entry_count == 1)3897 return rc;3898 3899 /* ring_index was pre-increment. set it back to current pkt */3900 if (rsp->ring_index == 0)3901 start_pkt_ring_index = rsp->length - 1;3902 else3903 start_pkt_ring_index = rsp->ring_index - 1;3904 3905 if (rsp_q_in < start_pkt_ring_index)3906 /* q in ptr is wrapped */3907 iocb_cnt = rsp->length - start_pkt_ring_index + rsp_q_in;3908 else3909 iocb_cnt = rsp_q_in - start_pkt_ring_index;3910 3911 if (iocb_cnt < pkt->entry_count)3912 rc = -EIO;3913 3914 ql_dbg(ql_dbg_init, vha, 0x5091,3915 "%s - ring %p pkt %p entry count %d iocb_cnt %d rsp_q_in %d rc %d\n",3916 __func__, rsp->ring, pkt, pkt->entry_count, iocb_cnt, rsp_q_in, rc);3917 3918 return rc;3919}3920 3921static void qla_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,3922 struct mrk_entry_24xx *pkt)3923{3924 const char func[] = "MRK-IOCB";3925 srb_t *sp;3926 int res = QLA_SUCCESS;3927 3928 if (!IS_FWI2_CAPABLE(vha->hw))3929 return;3930 3931 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);3932 if (!sp)3933 return;3934 3935 if (pkt->entry_status) {3936 ql_dbg(ql_dbg_taskm, vha, 0x8025, "marker failure.\n");3937 res = QLA_COMMAND_ERROR;3938 }3939 sp->u.iocb_cmd.u.tmf.data = res;3940 sp->done(sp, res);3941}3942 3943/**3944 * qla24xx_process_response_queue() - Process response queue entries.3945 * @vha: SCSI driver HA context3946 * @rsp: response queue3947 */3948void qla24xx_process_response_queue(struct scsi_qla_host *vha,3949 struct rsp_que *rsp)3950{3951 struct sts_entry_24xx *pkt;3952 struct qla_hw_data *ha = vha->hw;3953 struct purex_entry_24xx *purex_entry;3954 struct purex_item *pure_item;3955 struct pt_ls4_rx_unsol *p;3956 u16 rsp_in = 0, cur_ring_index;3957 int is_shadow_hba;3958 3959 if (!ha->flags.fw_started)3960 return;3961 3962 if (rsp->qpair->cpuid != raw_smp_processor_id() || !rsp->qpair->rcv_intr) {3963 rsp->qpair->rcv_intr = 1;3964 3965 if (!rsp->qpair->cpu_mapped)3966 qla_cpu_update(rsp->qpair, raw_smp_processor_id());3967 }3968 3969#define __update_rsp_in(_is_shadow_hba, _rsp, _rsp_in) \3970 do { \3971 _rsp_in = _is_shadow_hba ? *(_rsp)->in_ptr : \3972 rd_reg_dword_relaxed((_rsp)->rsp_q_in); \3973 } while (0)3974 3975 is_shadow_hba = IS_SHADOW_REG_CAPABLE(ha);3976 3977 __update_rsp_in(is_shadow_hba, rsp, rsp_in);3978 3979 while (rsp->ring_index != rsp_in &&3980 rsp->ring_ptr->signature != RESPONSE_PROCESSED) {3981 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;3982 cur_ring_index = rsp->ring_index;3983 3984 rsp->ring_index++;3985 if (rsp->ring_index == rsp->length) {3986 rsp->ring_index = 0;3987 rsp->ring_ptr = rsp->ring;3988 } else {3989 rsp->ring_ptr++;3990 }3991 3992 if (pkt->entry_status != 0) {3993 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))3994 goto process_err;3995 3996 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;3997 wmb();3998 continue;3999 }4000process_err:4001 4002 switch (pkt->entry_type) {4003 case STATUS_TYPE:4004 qla2x00_status_entry(vha, rsp, pkt);4005 break;4006 case STATUS_CONT_TYPE:4007 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);4008 break;4009 case VP_RPT_ID_IOCB_TYPE:4010 qla24xx_report_id_acquisition(vha,4011 (struct vp_rpt_id_entry_24xx *)pkt);4012 break;4013 case LOGINOUT_PORT_IOCB_TYPE:4014 qla24xx_logio_entry(vha, rsp->req,4015 (struct logio_entry_24xx *)pkt);4016 break;4017 case CT_IOCB_TYPE:4018 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);4019 break;4020 case ELS_IOCB_TYPE:4021 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);4022 break;4023 case ABTS_RECV_24XX:4024 if (qla_ini_mode_enabled(vha)) {4025 pure_item = qla24xx_copy_std_pkt(vha, pkt);4026 if (!pure_item)4027 break;4028 qla24xx_queue_purex_item(vha, pure_item,4029 qla24xx_process_abts);4030 break;4031 }4032 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||4033 IS_QLA28XX(ha)) {4034 /* ensure that the ATIO queue is empty */4035 qlt_handle_abts_recv(vha, rsp,4036 (response_t *)pkt);4037 break;4038 } else {4039 qlt_24xx_process_atio_queue(vha, 1);4040 }4041 fallthrough;4042 case ABTS_RESP_24XX:4043 case CTIO_TYPE7:4044 case CTIO_CRC2:4045 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);4046 break;4047 case PT_LS4_REQUEST:4048 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,4049 rsp->req);4050 break;4051 case NOTIFY_ACK_TYPE:4052 if (pkt->handle == QLA_TGT_SKIP_HANDLE)4053 qlt_response_pkt_all_vps(vha, rsp,4054 (response_t *)pkt);4055 else4056 qla24xxx_nack_iocb_entry(vha, rsp->req,4057 (struct nack_to_isp *)pkt);4058 break;4059 case MARKER_TYPE:4060 qla_marker_iocb_entry(vha, rsp->req, (struct mrk_entry_24xx *)pkt);4061 break;4062 case ABORT_IOCB_TYPE:4063 qla24xx_abort_iocb_entry(vha, rsp->req,4064 (struct abort_entry_24xx *)pkt);4065 break;4066 case MBX_IOCB_TYPE:4067 qla24xx_mbx_iocb_entry(vha, rsp->req,4068 (struct mbx_24xx_entry *)pkt);4069 break;4070 case VP_CTRL_IOCB_TYPE:4071 qla_ctrlvp_completed(vha, rsp->req,4072 (struct vp_ctrl_entry_24xx *)pkt);4073 break;4074 case PUREX_IOCB_TYPE:4075 purex_entry = (void *)pkt;4076 switch (purex_entry->els_frame_payload[3]) {4077 case ELS_RDP:4078 pure_item = qla24xx_copy_std_pkt(vha, pkt);4079 if (!pure_item)4080 break;4081 qla24xx_queue_purex_item(vha, pure_item,4082 qla24xx_process_purex_rdp);4083 break;4084 case ELS_FPIN:4085 if (!vha->hw->flags.scm_enabled) {4086 ql_log(ql_log_warn, vha, 0x5094,4087 "SCM not active for this port\n");4088 break;4089 }4090 pure_item = qla27xx_copy_fpin_pkt(vha,4091 (void **)&pkt, &rsp);4092 __update_rsp_in(is_shadow_hba, rsp, rsp_in);4093 if (!pure_item)4094 break;4095 qla24xx_queue_purex_item(vha, pure_item,4096 qla27xx_process_purex_fpin);4097 break;4098 4099 case ELS_AUTH_ELS:4100 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt, rsp_in)) {4101 /*4102 * ring_ptr and ring_index were4103 * pre-incremented above. Reset them4104 * back to current. Wait for next4105 * interrupt with all IOCBs to arrive4106 * and re-process.4107 */4108 rsp->ring_ptr = (response_t *)pkt;4109 rsp->ring_index = cur_ring_index;4110 4111 ql_dbg(ql_dbg_init, vha, 0x5091,4112 "Defer processing ELS opcode %#x...\n",4113 purex_entry->els_frame_payload[3]);4114 return;4115 }4116 qla24xx_auth_els(vha, (void **)&pkt, &rsp);4117 break;4118 default:4119 ql_log(ql_log_warn, vha, 0x509c,4120 "Discarding ELS Request opcode 0x%x\n",4121 purex_entry->els_frame_payload[3]);4122 }4123 break;4124 case SA_UPDATE_IOCB_TYPE:4125 qla28xx_sa_update_iocb_entry(vha, rsp->req,4126 (struct sa_update_28xx *)pkt);4127 break;4128 case PT_LS4_UNSOL:4129 p = (void *)pkt;4130 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt, rsp_in)) {4131 rsp->ring_ptr = (response_t *)pkt;4132 rsp->ring_index = cur_ring_index;4133 4134 ql_dbg(ql_dbg_init, vha, 0x2124,4135 "Defer processing UNSOL LS req opcode %#x...\n",4136 p->payload[0]);4137 return;4138 }4139 qla2xxx_process_purls_iocb((void **)&pkt, &rsp);4140 break;4141 default:4142 /* Type Not Supported. */4143 ql_dbg(ql_dbg_async, vha, 0x5042,4144 "Received unknown response pkt type 0x%x entry status=%x.\n",4145 pkt->entry_type, pkt->entry_status);4146 break;4147 }4148 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;4149 wmb();4150 }4151 4152 /* Adjust ring index */4153 if (IS_P3P_TYPE(ha)) {4154 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;4155 4156 wrt_reg_dword(®->rsp_q_out[0], rsp->ring_index);4157 } else {4158 wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index);4159 }4160}4161 4162static void4163qla2xxx_check_risc_status(scsi_qla_host_t *vha)4164{4165 int rval;4166 uint32_t cnt;4167 struct qla_hw_data *ha = vha->hw;4168 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;4169 4170 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&4171 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))4172 return;4173 4174 rval = QLA_SUCCESS;4175 wrt_reg_dword(®->iobase_addr, 0x7C00);4176 rd_reg_dword(®->iobase_addr);4177 wrt_reg_dword(®->iobase_window, 0x0001);4178 for (cnt = 10000; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 &&4179 rval == QLA_SUCCESS; cnt--) {4180 if (cnt) {4181 wrt_reg_dword(®->iobase_window, 0x0001);4182 udelay(10);4183 } else4184 rval = QLA_FUNCTION_TIMEOUT;4185 }4186 if (rval == QLA_SUCCESS)4187 goto next_test;4188 4189 rval = QLA_SUCCESS;4190 wrt_reg_dword(®->iobase_window, 0x0003);4191 for (cnt = 100; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 &&4192 rval == QLA_SUCCESS; cnt--) {4193 if (cnt) {4194 wrt_reg_dword(®->iobase_window, 0x0003);4195 udelay(10);4196 } else4197 rval = QLA_FUNCTION_TIMEOUT;4198 }4199 if (rval != QLA_SUCCESS)4200 goto done;4201 4202next_test:4203 if (rd_reg_dword(®->iobase_c8) & BIT_3)4204 ql_log(ql_log_info, vha, 0x504c,4205 "Additional code -- 0x55AA.\n");4206 4207done:4208 wrt_reg_dword(®->iobase_window, 0x0000);4209 rd_reg_dword(®->iobase_window);4210}4211 4212/**4213 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.4214 * @irq: interrupt number4215 * @dev_id: SCSI driver HA context4216 *4217 * Called by system whenever the host adapter generates an interrupt.4218 *4219 * Returns handled flag.4220 */4221irqreturn_t4222qla24xx_intr_handler(int irq, void *dev_id)4223{4224 scsi_qla_host_t *vha;4225 struct qla_hw_data *ha;4226 struct device_reg_24xx __iomem *reg;4227 int status;4228 unsigned long iter;4229 uint32_t stat;4230 uint32_t hccr;4231 uint16_t mb[8];4232 struct rsp_que *rsp;4233 unsigned long flags;4234 bool process_atio = false;4235 4236 rsp = (struct rsp_que *) dev_id;4237 if (!rsp) {4238 ql_log(ql_log_info, NULL, 0x5059,4239 "%s: NULL response queue pointer.\n", __func__);4240 return IRQ_NONE;4241 }4242 4243 ha = rsp->hw;4244 reg = &ha->iobase->isp24;4245 status = 0;4246 4247 if (unlikely(pci_channel_offline(ha->pdev)))4248 return IRQ_HANDLED;4249 4250 spin_lock_irqsave(&ha->hardware_lock, flags);4251 vha = pci_get_drvdata(ha->pdev);4252 for (iter = 50; iter--; ) {4253 stat = rd_reg_dword(®->host_status);4254 if (qla2x00_check_reg32_for_disconnect(vha, stat))4255 break;4256 if (stat & HSRX_RISC_PAUSED) {4257 if (unlikely(pci_channel_offline(ha->pdev)))4258 break;4259 4260 hccr = rd_reg_dword(®->hccr);4261 4262 ql_log(ql_log_warn, vha, 0x504b,4263 "RISC paused -- HCCR=%x, Dumping firmware.\n",4264 hccr);4265 4266 qla2xxx_check_risc_status(vha);4267 4268 ha->isp_ops->fw_dump(vha);4269 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);4270 break;4271 } else if ((stat & HSRX_RISC_INT) == 0)4272 break;4273 4274 switch (stat & 0xff) {4275 case INTR_ROM_MB_SUCCESS:4276 case INTR_ROM_MB_FAILED:4277 case INTR_MB_SUCCESS:4278 case INTR_MB_FAILED:4279 qla24xx_mbx_completion(vha, MSW(stat));4280 status |= MBX_INTERRUPT;4281 4282 break;4283 case INTR_ASYNC_EVENT:4284 mb[0] = MSW(stat);4285 mb[1] = rd_reg_word(®->mailbox1);4286 mb[2] = rd_reg_word(®->mailbox2);4287 mb[3] = rd_reg_word(®->mailbox3);4288 qla2x00_async_event(vha, rsp, mb);4289 break;4290 case INTR_RSP_QUE_UPDATE:4291 case INTR_RSP_QUE_UPDATE_83XX:4292 qla24xx_process_response_queue(vha, rsp);4293 break;4294 case INTR_ATIO_QUE_UPDATE_27XX:4295 case INTR_ATIO_QUE_UPDATE:4296 process_atio = true;4297 break;4298 case INTR_ATIO_RSP_QUE_UPDATE:4299 process_atio = true;4300 qla24xx_process_response_queue(vha, rsp);4301 break;4302 default:4303 ql_dbg(ql_dbg_async, vha, 0x504f,4304 "Unrecognized interrupt type (%d).\n", stat * 0xff);4305 break;4306 }4307 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);4308 rd_reg_dword_relaxed(®->hccr);4309 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))4310 ndelay(3500);4311 }4312 qla2x00_handle_mbx_completion(ha, status);4313 spin_unlock_irqrestore(&ha->hardware_lock, flags);4314 4315 if (process_atio) {4316 spin_lock_irqsave(&ha->tgt.atio_lock, flags);4317 qlt_24xx_process_atio_queue(vha, 0);4318 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);4319 }4320 4321 return IRQ_HANDLED;4322}4323 4324static irqreturn_t4325qla24xx_msix_rsp_q(int irq, void *dev_id)4326{4327 struct qla_hw_data *ha;4328 struct rsp_que *rsp;4329 struct device_reg_24xx __iomem *reg;4330 struct scsi_qla_host *vha;4331 unsigned long flags;4332 4333 rsp = (struct rsp_que *) dev_id;4334 if (!rsp) {4335 ql_log(ql_log_info, NULL, 0x505a,4336 "%s: NULL response queue pointer.\n", __func__);4337 return IRQ_NONE;4338 }4339 ha = rsp->hw;4340 reg = &ha->iobase->isp24;4341 4342 spin_lock_irqsave(&ha->hardware_lock, flags);4343 4344 vha = pci_get_drvdata(ha->pdev);4345 qla24xx_process_response_queue(vha, rsp);4346 if (!ha->flags.disable_msix_handshake) {4347 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);4348 rd_reg_dword_relaxed(®->hccr);4349 }4350 spin_unlock_irqrestore(&ha->hardware_lock, flags);4351 4352 return IRQ_HANDLED;4353}4354 4355static irqreturn_t4356qla24xx_msix_default(int irq, void *dev_id)4357{4358 scsi_qla_host_t *vha;4359 struct qla_hw_data *ha;4360 struct rsp_que *rsp;4361 struct device_reg_24xx __iomem *reg;4362 int status;4363 uint32_t stat;4364 uint32_t hccr;4365 uint16_t mb[8];4366 unsigned long flags;4367 bool process_atio = false;4368 4369 rsp = (struct rsp_que *) dev_id;4370 if (!rsp) {4371 ql_log(ql_log_info, NULL, 0x505c,4372 "%s: NULL response queue pointer.\n", __func__);4373 return IRQ_NONE;4374 }4375 ha = rsp->hw;4376 reg = &ha->iobase->isp24;4377 status = 0;4378 4379 spin_lock_irqsave(&ha->hardware_lock, flags);4380 vha = pci_get_drvdata(ha->pdev);4381 do {4382 stat = rd_reg_dword(®->host_status);4383 if (qla2x00_check_reg32_for_disconnect(vha, stat))4384 break;4385 if (stat & HSRX_RISC_PAUSED) {4386 if (unlikely(pci_channel_offline(ha->pdev)))4387 break;4388 4389 hccr = rd_reg_dword(®->hccr);4390 4391 ql_log(ql_log_info, vha, 0x5050,4392 "RISC paused -- HCCR=%x, Dumping firmware.\n",4393 hccr);4394 4395 qla2xxx_check_risc_status(vha);4396 vha->hw_err_cnt++;4397 4398 ha->isp_ops->fw_dump(vha);4399 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);4400 break;4401 } else if ((stat & HSRX_RISC_INT) == 0)4402 break;4403 4404 switch (stat & 0xff) {4405 case INTR_ROM_MB_SUCCESS:4406 case INTR_ROM_MB_FAILED:4407 case INTR_MB_SUCCESS:4408 case INTR_MB_FAILED:4409 qla24xx_mbx_completion(vha, MSW(stat));4410 status |= MBX_INTERRUPT;4411 4412 break;4413 case INTR_ASYNC_EVENT:4414 mb[0] = MSW(stat);4415 mb[1] = rd_reg_word(®->mailbox1);4416 mb[2] = rd_reg_word(®->mailbox2);4417 mb[3] = rd_reg_word(®->mailbox3);4418 qla2x00_async_event(vha, rsp, mb);4419 break;4420 case INTR_RSP_QUE_UPDATE:4421 case INTR_RSP_QUE_UPDATE_83XX:4422 qla24xx_process_response_queue(vha, rsp);4423 break;4424 case INTR_ATIO_QUE_UPDATE_27XX:4425 case INTR_ATIO_QUE_UPDATE:4426 process_atio = true;4427 break;4428 case INTR_ATIO_RSP_QUE_UPDATE:4429 process_atio = true;4430 qla24xx_process_response_queue(vha, rsp);4431 break;4432 default:4433 ql_dbg(ql_dbg_async, vha, 0x5051,4434 "Unrecognized interrupt type (%d).\n", stat & 0xff);4435 break;4436 }4437 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);4438 } while (0);4439 qla2x00_handle_mbx_completion(ha, status);4440 spin_unlock_irqrestore(&ha->hardware_lock, flags);4441 4442 if (process_atio) {4443 spin_lock_irqsave(&ha->tgt.atio_lock, flags);4444 qlt_24xx_process_atio_queue(vha, 0);4445 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);4446 }4447 4448 return IRQ_HANDLED;4449}4450 4451irqreturn_t4452qla2xxx_msix_rsp_q(int irq, void *dev_id)4453{4454 struct qla_hw_data *ha;4455 struct qla_qpair *qpair;4456 4457 qpair = dev_id;4458 if (!qpair) {4459 ql_log(ql_log_info, NULL, 0x505b,4460 "%s: NULL response queue pointer.\n", __func__);4461 return IRQ_NONE;4462 }4463 ha = qpair->hw;4464 4465 queue_work(ha->wq, &qpair->q_work);4466 4467 return IRQ_HANDLED;4468}4469 4470irqreturn_t4471qla2xxx_msix_rsp_q_hs(int irq, void *dev_id)4472{4473 struct qla_hw_data *ha;4474 struct qla_qpair *qpair;4475 struct device_reg_24xx __iomem *reg;4476 unsigned long flags;4477 4478 qpair = dev_id;4479 if (!qpair) {4480 ql_log(ql_log_info, NULL, 0x505b,4481 "%s: NULL response queue pointer.\n", __func__);4482 return IRQ_NONE;4483 }4484 ha = qpair->hw;4485 4486 reg = &ha->iobase->isp24;4487 spin_lock_irqsave(&ha->hardware_lock, flags);4488 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);4489 spin_unlock_irqrestore(&ha->hardware_lock, flags);4490 4491 queue_work(ha->wq, &qpair->q_work);4492 4493 return IRQ_HANDLED;4494}4495 4496/* Interrupt handling helpers. */4497 4498struct qla_init_msix_entry {4499 const char *name;4500 irq_handler_t handler;4501};4502 4503static const struct qla_init_msix_entry msix_entries[] = {4504 { "default", qla24xx_msix_default },4505 { "rsp_q", qla24xx_msix_rsp_q },4506 { "atio_q", qla83xx_msix_atio_q },4507 { "qpair_multiq", qla2xxx_msix_rsp_q },4508 { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs },4509};4510 4511static const struct qla_init_msix_entry qla82xx_msix_entries[] = {4512 { "qla2xxx (default)", qla82xx_msix_default },4513 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },4514};4515 4516static int4517qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)4518{4519 int i, ret;4520 struct qla_msix_entry *qentry;4521 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);4522 int min_vecs = QLA_BASE_VECTORS;4523 struct irq_affinity desc = {4524 .pre_vectors = QLA_BASE_VECTORS,4525 };4526 4527 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&4528 IS_ATIO_MSIX_CAPABLE(ha)) {4529 desc.pre_vectors++;4530 min_vecs++;4531 }4532 4533 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) {4534 /* user wants to control IRQ setting for target mode */4535 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,4536 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),4537 PCI_IRQ_MSIX);4538 } else4539 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,4540 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),4541 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,4542 &desc);4543 4544 if (ret < 0) {4545 ql_log(ql_log_fatal, vha, 0x00c7,4546 "MSI-X: Failed to enable support, "4547 "giving up -- %d/%d.\n",4548 ha->msix_count, ret);4549 goto msix_out;4550 } else if (ret < ha->msix_count) {4551 ql_log(ql_log_info, vha, 0x00c6,4552 "MSI-X: Using %d vectors\n", ret);4553 ha->msix_count = ret;4554 /* Recalculate queue values */4555 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {4556 ha->max_req_queues = ha->msix_count - 1;4557 4558 /* ATIOQ needs 1 vector. That's 1 less QPair */4559 if (QLA_TGT_MODE_ENABLED())4560 ha->max_req_queues--;4561 4562 ha->max_rsp_queues = ha->max_req_queues;4563 4564 ha->max_qpairs = ha->max_req_queues - 1;4565 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,4566 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);4567 }4568 }4569 vha->irq_offset = desc.pre_vectors;4570 ha->msix_entries = kcalloc(ha->msix_count,4571 sizeof(struct qla_msix_entry),4572 GFP_KERNEL);4573 if (!ha->msix_entries) {4574 ql_log(ql_log_fatal, vha, 0x00c8,4575 "Failed to allocate memory for ha->msix_entries.\n");4576 ret = -ENOMEM;4577 goto free_irqs;4578 }4579 ha->flags.msix_enabled = 1;4580 4581 for (i = 0; i < ha->msix_count; i++) {4582 qentry = &ha->msix_entries[i];4583 qentry->vector = pci_irq_vector(ha->pdev, i);4584 qentry->vector_base0 = i;4585 qentry->entry = i;4586 qentry->have_irq = 0;4587 qentry->in_use = 0;4588 qentry->handle = NULL;4589 }4590 4591 /* Enable MSI-X vectors for the base queue */4592 for (i = 0; i < QLA_BASE_VECTORS; i++) {4593 qentry = &ha->msix_entries[i];4594 qentry->handle = rsp;4595 rsp->msix = qentry;4596 scnprintf(qentry->name, sizeof(qentry->name),4597 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);4598 if (IS_P3P_TYPE(ha))4599 ret = request_irq(qentry->vector,4600 qla82xx_msix_entries[i].handler,4601 0, qla82xx_msix_entries[i].name, rsp);4602 else4603 ret = request_irq(qentry->vector,4604 msix_entries[i].handler,4605 0, qentry->name, rsp);4606 if (ret)4607 goto msix_register_fail;4608 qentry->have_irq = 1;4609 qentry->in_use = 1;4610 }4611 4612 /*4613 * If target mode is enable, also request the vector for the ATIO4614 * queue.4615 */4616 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&4617 IS_ATIO_MSIX_CAPABLE(ha)) {4618 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];4619 rsp->msix = qentry;4620 qentry->handle = rsp;4621 scnprintf(qentry->name, sizeof(qentry->name),4622 "qla2xxx%lu_%s", vha->host_no,4623 msix_entries[QLA_ATIO_VECTOR].name);4624 qentry->in_use = 1;4625 ret = request_irq(qentry->vector,4626 msix_entries[QLA_ATIO_VECTOR].handler,4627 0, qentry->name, rsp);4628 qentry->have_irq = 1;4629 }4630 4631msix_register_fail:4632 if (ret) {4633 ql_log(ql_log_fatal, vha, 0x00cb,4634 "MSI-X: unable to register handler -- %x/%d.\n",4635 qentry->vector, ret);4636 qla2x00_free_irqs(vha);4637 ha->mqenable = 0;4638 goto msix_out;4639 }4640 4641 /* Enable MSI-X vector for response queue update for queue 0 */4642 if (IS_MQUE_CAPABLE(ha) &&4643 (ha->msixbase && ha->mqiobase && ha->max_qpairs))4644 ha->mqenable = 1;4645 else4646 ha->mqenable = 0;4647 4648 ql_dbg(ql_dbg_multiq, vha, 0xc005,4649 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",4650 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);4651 ql_dbg(ql_dbg_init, vha, 0x0055,4652 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",4653 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);4654 4655msix_out:4656 return ret;4657 4658free_irqs:4659 pci_free_irq_vectors(ha->pdev);4660 goto msix_out;4661}4662 4663int4664qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)4665{4666 int ret = QLA_FUNCTION_FAILED;4667 device_reg_t *reg = ha->iobase;4668 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);4669 4670 /* If possible, enable MSI-X. */4671 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&4672 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&4673 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)))4674 goto skip_msi;4675 4676 if (ql2xenablemsix == 2)4677 goto skip_msix;4678 4679 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&4680 (ha->pdev->subsystem_device == 0x7040 ||4681 ha->pdev->subsystem_device == 0x7041 ||4682 ha->pdev->subsystem_device == 0x1705)) {4683 ql_log(ql_log_warn, vha, 0x0034,4684 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",4685 ha->pdev->subsystem_vendor,4686 ha->pdev->subsystem_device);4687 goto skip_msi;4688 }4689 4690 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {4691 ql_log(ql_log_warn, vha, 0x0035,4692 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",4693 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);4694 goto skip_msix;4695 }4696 4697 ret = qla24xx_enable_msix(ha, rsp);4698 if (!ret) {4699 ql_dbg(ql_dbg_init, vha, 0x0036,4700 "MSI-X: Enabled (0x%X, 0x%X).\n",4701 ha->chip_revision, ha->fw_attributes);4702 goto clear_risc_ints;4703 }4704 4705skip_msix:4706 4707 ql_log(ql_log_info, vha, 0x0037,4708 "Falling back-to MSI mode -- ret=%d.\n", ret);4709 4710 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&4711 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&4712 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))4713 goto skip_msi;4714 4715 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);4716 if (ret > 0) {4717 ql_dbg(ql_dbg_init, vha, 0x0038,4718 "MSI: Enabled.\n");4719 ha->flags.msi_enabled = 1;4720 } else4721 ql_log(ql_log_warn, vha, 0x0039,4722 "Falling back-to INTa mode -- ret=%d.\n", ret);4723skip_msi:4724 4725 /* Skip INTx on ISP82xx. */4726 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))4727 return QLA_FUNCTION_FAILED;4728 4729 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,4730 ha->flags.msi_enabled ? 0 : IRQF_SHARED,4731 QLA2XXX_DRIVER_NAME, rsp);4732 if (ret) {4733 ql_log(ql_log_warn, vha, 0x003a,4734 "Failed to reserve interrupt %d already in use.\n",4735 ha->pdev->irq);4736 goto fail;4737 } else if (!ha->flags.msi_enabled) {4738 ql_dbg(ql_dbg_init, vha, 0x0125,4739 "INTa mode: Enabled.\n");4740 ha->flags.mr_intr_valid = 1;4741 /* Set max_qpair to 0, as MSI-X and MSI in not enabled */4742 ha->max_qpairs = 0;4743 }4744 4745clear_risc_ints:4746 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))4747 goto fail;4748 4749 spin_lock_irq(&ha->hardware_lock);4750 wrt_reg_word(®->isp.semaphore, 0);4751 spin_unlock_irq(&ha->hardware_lock);4752 4753fail:4754 return ret;4755}4756 4757void4758qla2x00_free_irqs(scsi_qla_host_t *vha)4759{4760 struct qla_hw_data *ha = vha->hw;4761 struct rsp_que *rsp;4762 struct qla_msix_entry *qentry;4763 int i;4764 4765 /*4766 * We need to check that ha->rsp_q_map is valid in case we are called4767 * from a probe failure context.4768 */4769 if (!ha->rsp_q_map || !ha->rsp_q_map[0])4770 goto free_irqs;4771 rsp = ha->rsp_q_map[0];4772 4773 if (ha->flags.msix_enabled) {4774 for (i = 0; i < ha->msix_count; i++) {4775 qentry = &ha->msix_entries[i];4776 if (qentry->have_irq) {4777 irq_set_affinity_notifier(qentry->vector, NULL);4778 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);4779 }4780 }4781 kfree(ha->msix_entries);4782 ha->msix_entries = NULL;4783 ha->flags.msix_enabled = 0;4784 ql_dbg(ql_dbg_init, vha, 0x0042,4785 "Disabled MSI-X.\n");4786 } else {4787 free_irq(pci_irq_vector(ha->pdev, 0), rsp);4788 }4789 4790free_irqs:4791 pci_free_irq_vectors(ha->pdev);4792}4793 4794int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,4795 struct qla_msix_entry *msix, int vector_type)4796{4797 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];4798 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);4799 int ret;4800 4801 scnprintf(msix->name, sizeof(msix->name),4802 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);4803 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);4804 if (ret) {4805 ql_log(ql_log_fatal, vha, 0x00e6,4806 "MSI-X: Unable to register handler -- %x/%d.\n",4807 msix->vector, ret);4808 return ret;4809 }4810 msix->have_irq = 1;4811 msix->handle = qpair;4812 qla_mapq_init_qp_cpu_map(ha, msix, qpair);4813 return ret;4814}4815