| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Andrew Vasquez | 4866 | 20.65% | 68 | 17.75% |
| Quinn Tran | 3472 | 14.73% | 58 | 15.14% |
| James Bottomley | 2853 | 12.11% | 4 | 1.04% |
| Joe Carnuccio | 1460 | 6.20% | 19 | 4.96% |
| Saurav Kashyap | 1296 | 5.50% | 11 | 2.87% |
| Arun Easi | 1170 | 4.96% | 22 | 5.74% |
| Anirban Chakraborty | 1106 | 4.69% | 10 | 2.61% |
| Shyam Sundar | 988 | 4.19% | 5 | 1.31% |
| Giridhar Malavali | 945 | 4.01% | 18 | 4.70% |
| Chad Dupuis | 849 | 3.60% | 29 | 7.57% |
| Santosh Vernekar | 713 | 3.03% | 5 | 1.31% |
| Duane Grigsby | 585 | 2.48% | 5 | 1.31% |
| Bart Van Assche | 419 | 1.78% | 22 | 5.74% |
| Michael Hernandez | 337 | 1.43% | 4 | 1.04% |
| Seokmann Ju | 316 | 1.34% | 5 | 1.31% |
| Madhuranath Iyengar | 258 | 1.09% | 4 | 1.04% |
| Harish Zunjarrao | 203 | 0.86% | 1 | 0.26% |
| Harihara Kadayam | 200 | 0.85% | 1 | 0.26% |
| Himanshu Madhani | 186 | 0.79% | 11 | 2.87% |
| Armen Baloyan | 170 | 0.72% | 2 | 0.52% |
| Lalit Chandivade | 162 | 0.69% | 3 | 0.78% |
| Darren Trapp | 123 | 0.52% | 4 | 1.04% |
| Nicholas Bellinger | 102 | 0.43% | 1 | 0.26% |
| Johannes Thumshirn | 86 | 0.36% | 5 | 1.31% |
| Sawan Chandak | 86 | 0.36% | 6 | 1.57% |
| Daniel Wagner | 79 | 0.34% | 3 | 0.78% |
| Joe Lawrence | 63 | 0.27% | 4 | 1.04% |
| Bikash Hazarika | 59 | 0.25% | 3 | 0.78% |
| Sarang Radke | 55 | 0.23% | 2 | 0.52% |
| Gleb Chesnokov | 39 | 0.17% | 2 | 0.52% |
| Ravi Anand | 38 | 0.16% | 2 | 0.52% |
| Christoph Hellwig | 34 | 0.14% | 6 | 1.57% |
| gurinder.shergill@hp.com | 27 | 0.11% | 1 | 0.26% |
| FUJITA Tomonori | 25 | 0.11% | 2 | 0.52% |
| Atul Deshmukh | 20 | 0.08% | 1 | 0.26% |
| Ben Hutchings | 20 | 0.08% | 1 | 0.26% |
| Alexander Gordeev | 19 | 0.08% | 1 | 0.26% |
| Xiaotian Feng | 18 | 0.08% | 1 | 0.26% |
| Shreyas Deodhar | 15 | 0.06% | 1 | 0.26% |
| Thadeu Lima de Souza Cascardo | 10 | 0.04% | 1 | 0.26% |
| Hannes Reinecke | 10 | 0.04% | 2 | 0.52% |
| Gustavo A. R. Silva | 10 | 0.04% | 1 | 0.26% |
| Roman Bolshakov | 8 | 0.03% | 1 | 0.26% |
| Ming Lei | 8 | 0.03% | 1 | 0.26% |
| Randy Dunlap | 6 | 0.03% | 1 | 0.26% |
| Colin Ian King | 5 | 0.02% | 2 | 0.52% |
| Kees Cook | 5 | 0.02% | 1 | 0.26% |
| Nicolas Iooss | 5 | 0.02% | 2 | 0.52% |
| Huacai Chen | 4 | 0.02% | 1 | 0.26% |
| Dmitriy Monakhov | 4 | 0.02% | 1 | 0.26% |
| Milan P. Gandhi | 3 | 0.01% | 1 | 0.26% |
| Björn Helgaas | 3 | 0.01% | 1 | 0.26% |
| Jeff Garzik | 3 | 0.01% | 1 | 0.26% |
| Anil Gurumurthy | 3 | 0.01% | 1 | 0.26% |
| Masanari Iida | 3 | 0.01% | 2 | 0.52% |
| Justin P. Mattock | 2 | 0.01% | 1 | 0.26% |
| Linus Torvalds (pre-git) | 2 | 0.01% | 1 | 0.26% |
| Muneendra Kumar M | 2 | 0.01% | 1 | 0.26% |
| Li Yang | 2 | 0.01% | 1 | 0.26% |
| Thomas Gleixner | 2 | 0.01% | 1 | 0.26% |
| Lucas De Marchi | 1 | 0.00% | 1 | 0.26% |
| Al Viro | 1 | 0.00% | 1 | 0.26% |
| Michael Christie | 1 | 0.00% | 1 | 0.26% |
| Linus Torvalds | 1 | 0.00% | 1 | 0.26% |
| Joe Perches | 1 | 0.00% | 1 | 0.26% |
| Total | 23567 | 383 |
// SPDX-License-Identifier: GPL-2.0-only /* * QLogic Fibre Channel HBA Driver * Copyright (c) 2003-2014 QLogic Corporation */ #include "qla_def.h" #include "qla_target.h" #include "qla_gbl.h" #include <linux/delay.h> #include <linux/slab.h> #include <linux/cpu.h> #include <linux/t10-pi.h> #include <scsi/scsi_tcq.h> #include <scsi/scsi_bsg_fc.h> #include <scsi/scsi_eh.h> #include <scsi/fc/fc_fs.h> #include <linux/nvme-fc-driver.h> static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, sts_entry_t *); static void qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item); static struct purex_item *qla24xx_alloc_purex_item(scsi_qla_host_t *vha, uint16_t size); static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, void *pkt); static struct purex_item *qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, void **pkt, struct rsp_que **rsp); static void qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item) { void *pkt = &item->iocb; uint16_t pkt_size = item->size; ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508d, "%s: Enter\n", __func__); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508e, "-------- ELS REQ -------\n"); ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x508f, pkt, pkt_size); fc_host_fpin_rcv(vha->host, pkt_size, (char *)pkt, 0); } const char *const port_state_str[] = { [FCS_UNKNOWN] = "Unknown", [FCS_UNCONFIGURED] = "UNCONFIGURED", [FCS_DEVICE_DEAD] = "DEAD", [FCS_DEVICE_LOST] = "LOST", [FCS_ONLINE] = "ONLINE" }; static void qla24xx_process_abts(struct scsi_qla_host *vha, struct purex_item *pkt) { struct abts_entry_24xx *abts = (struct abts_entry_24xx *)&pkt->iocb; struct qla_hw_data *ha = vha->hw; struct els_entry_24xx *rsp_els; struct abts_entry_24xx *abts_rsp; dma_addr_t dma; uint32_t fctl; int rval; ql_dbg(ql_dbg_init, vha, 0x0286, "%s: entered.\n", __func__); ql_log(ql_log_warn, vha, 0x0287, "Processing ABTS xchg=%#x oxid=%#x rxid=%#x seqid=%#x seqcnt=%#x\n", abts->rx_xch_addr_to_abort, abts->ox_id, abts->rx_id, abts->seq_id, abts->seq_cnt); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0287, "-------- ABTS RCV -------\n"); ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0287, (uint8_t *)abts, sizeof(*abts)); rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els), &dma, GFP_KERNEL); if (!rsp_els) { ql_log(ql_log_warn, vha, 0x0287, "Failed allocate dma buffer ABTS/ELS RSP.\n"); return; } /* terminate exchange */ rsp_els->entry_type = ELS_IOCB_TYPE; rsp_els->entry_count = 1; rsp_els->nport_handle = cpu_to_le16(~0); rsp_els->rx_xchg_address = abts->rx_xch_addr_to_abort; rsp_els->control_flags = cpu_to_le16(EPD_RX_XCHG); ql_dbg(ql_dbg_init, vha, 0x0283, "Sending ELS Response to terminate exchange %#x...\n", abts->rx_xch_addr_to_abort); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0283, "-------- ELS RSP -------\n"); ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0283, (uint8_t *)rsp_els, sizeof(*rsp_els)); rval = qla2x00_issue_iocb(vha, rsp_els, dma, 0); if (rval) { ql_log(ql_log_warn, vha, 0x0288, "%s: iocb failed to execute -> %x\n", __func__, rval); } else if (rsp_els->comp_status) { ql_log(ql_log_warn, vha, 0x0289, "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n", __func__, rsp_els->comp_status, rsp_els->error_subcode_1, rsp_els->error_subcode_2); } else { ql_dbg(ql_dbg_init, vha, 0x028a, "%s: abort exchange done.\n", __func__); } /* send ABTS response */ abts_rsp = (void *)rsp_els; memset(abts_rsp, 0, sizeof(*abts_rsp)); abts_rsp->entry_type = ABTS_RSP_TYPE; abts_rsp->entry_count = 1; abts_rsp->nport_handle = abts->nport_handle; abts_rsp->vp_idx = abts->vp_idx; abts_rsp->sof_type = abts->sof_type & 0xf0; abts_rsp->rx_xch_addr = abts->rx_xch_addr; abts_rsp->d_id[0] = abts->s_id[0]; abts_rsp->d_id[1] = abts->s_id[1]; abts_rsp->d_id[2] = abts->s_id[2]; abts_rsp->r_ctl = FC_ROUTING_BLD | FC_R_CTL_BLD_BA_ACC; abts_rsp->s_id[0] = abts->d_id[0]; abts_rsp->s_id[1] = abts->d_id[1]; abts_rsp->s_id[2] = abts->d_id[2]; abts_rsp->cs_ctl = abts->cs_ctl; /* include flipping bit23 in fctl */ fctl = ~(abts->f_ctl[2] | 0x7F) << 16 | FC_F_CTL_LAST_SEQ | FC_F_CTL_END_SEQ | FC_F_CTL_SEQ_INIT; abts_rsp->f_ctl[0] = fctl >> 0 & 0xff; abts_rsp->f_ctl[1] = fctl >> 8 & 0xff; abts_rsp->f_ctl[2] = fctl >> 16 & 0xff; abts_rsp->type = FC_TYPE_BLD; abts_rsp->rx_id = abts->rx_id; abts_rsp->ox_id = abts->ox_id; abts_rsp->payload.ba_acc.aborted_rx_id = abts->rx_id; abts_rsp->payload.ba_acc.aborted_ox_id = abts->ox_id; abts_rsp->payload.ba_acc.high_seq_cnt = cpu_to_le16(~0); abts_rsp->rx_xch_addr_to_abort = abts->rx_xch_addr_to_abort; ql_dbg(ql_dbg_init, vha, 0x028b, "Sending BA ACC response to ABTS %#x...\n", abts->rx_xch_addr_to_abort); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x028b, "-------- ELS RSP -------\n"); ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x028b, (uint8_t *)abts_rsp, sizeof(*abts_rsp)); rval = qla2x00_issue_iocb(vha, abts_rsp, dma, 0); if (rval) { ql_log(ql_log_warn, vha, 0x028c, "%s: iocb failed to execute -> %x\n", __func__, rval); } else if (abts_rsp->comp_status) { ql_log(ql_log_warn, vha, 0x028d, "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n", __func__, abts_rsp->comp_status, abts_rsp->payload.error.subcode1, abts_rsp->payload.error.subcode2); } else { ql_dbg(ql_dbg_init, vha, 0x028ea, "%s: done.\n", __func__); } dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els), rsp_els, dma); } /** * __qla_consume_iocb - this routine is used to tell fw driver has processed * or consumed the head IOCB along with the continuation IOCB's from the * provided respond queue. * @vha: host adapter pointer * @pkt: pointer to current packet. On return, this pointer shall move * to the next packet. * @rsp: respond queue pointer. * * it is assumed pkt is the head iocb, not the continuation iocbk */ void __qla_consume_iocb(struct scsi_qla_host *vha, void **pkt, struct rsp_que **rsp) { struct rsp_que *rsp_q = *rsp; response_t *new_pkt; uint16_t entry_count_remaining; struct purex_entry_24xx *purex = *pkt; entry_count_remaining = purex->entry_count; while (entry_count_remaining > 0) { new_pkt = rsp_q->ring_ptr; *pkt = new_pkt; rsp_q->ring_index++; if (rsp_q->ring_index == rsp_q->length) { rsp_q->ring_index = 0; rsp_q->ring_ptr = rsp_q->ring; } else { rsp_q->ring_ptr++; } new_pkt->signature = RESPONSE_PROCESSED; /* flush signature */ wmb(); --entry_count_remaining; } } /** * __qla_copy_purex_to_buffer - extract ELS payload from Purex IOCB * and save to provided buffer * @vha: host adapter pointer * @pkt: pointer Purex IOCB * @rsp: respond queue * @buf: extracted ELS payload copy here * @buf_len: buffer length */ int __qla_copy_purex_to_buffer(struct scsi_qla_host *vha, void **pkt, struct rsp_que **rsp, u8 *buf, u32 buf_len) { struct purex_entry_24xx *purex = *pkt; struct rsp_que *rsp_q = *rsp; sts_cont_entry_t *new_pkt; uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0; uint16_t buffer_copy_offset = 0; uint16_t entry_count_remaining; u16 tpad; entry_count_remaining = purex->entry_count; total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF) - PURX_ELS_HEADER_SIZE; /* * end of payload may not end in 4bytes boundary. Need to * round up / pad for room to swap, before saving data */ tpad = roundup(total_bytes, 4); if (buf_len < tpad) { ql_dbg(ql_dbg_async, vha, 0x5084, "%s buffer is too small %d < %d\n", __func__, buf_len, tpad); __qla_consume_iocb(vha, pkt, rsp); return -EIO; } pending_bytes = total_bytes = tpad; no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ? sizeof(purex->els_frame_payload) : pending_bytes; memcpy(buf, &purex->els_frame_payload[0], no_bytes); buffer_copy_offset += no_bytes; pending_bytes -= no_bytes; --entry_count_remaining; ((response_t *)purex)->signature = RESPONSE_PROCESSED; /* flush signature */ wmb(); do { while ((total_bytes > 0) && (entry_count_remaining > 0)) { new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr; *pkt = new_pkt; if (new_pkt->entry_type != STATUS_CONT_TYPE) { ql_log(ql_log_warn, vha, 0x507a, "Unexpected IOCB type, partial data 0x%x\n", buffer_copy_offset); break; } rsp_q->ring_index++; if (rsp_q->ring_index == rsp_q->length) { rsp_q->ring_index = 0; rsp_q->ring_ptr = rsp_q->ring; } else { rsp_q->ring_ptr++; } no_bytes = (pending_bytes > sizeof(new_pkt->data)) ? sizeof(new_pkt->data) : pending_bytes; if ((buffer_copy_offset + no_bytes) <= total_bytes) { memcpy((buf + buffer_copy_offset), new_pkt->data, no_bytes); buffer_copy_offset += no_bytes; pending_bytes -= no_bytes; --entry_count_remaining; } else { ql_log(ql_log_warn, vha, 0x5044, "Attempt to copy more that we got, optimizing..%x\n", buffer_copy_offset); memcpy((buf + buffer_copy_offset), new_pkt->data, total_bytes - buffer_copy_offset); } ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED; /* flush signature */ wmb(); } if (pending_bytes != 0 || entry_count_remaining != 0) { ql_log(ql_log_fatal, vha, 0x508b, "Dropping partial Data, underrun bytes = 0x%x, entry cnts 0x%x\n", total_bytes, entry_count_remaining); return -EIO; } } while (entry_count_remaining > 0); be32_to_cpu_array((u32 *)buf, (__be32 *)buf, total_bytes >> 2); return 0; } /** * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. * @irq: interrupt number * @dev_id: SCSI driver HA context * * Called by system whenever the host adapter generates an interrupt. * * Returns handled flag. */ irqreturn_t qla2100_intr_handler(int irq, void *dev_id) { scsi_qla_host_t *vha; struct qla_hw_data *ha; struct device_reg_2xxx __iomem *reg; int status; unsigned long iter; uint16_t hccr; uint16_t mb[8]; struct rsp_que *rsp; unsigned long flags; rsp = (struct rsp_que *) dev_id; if (!rsp) { ql_log(ql_log_info, NULL, 0x505d, "%s: NULL response queue pointer.\n", __func__); return (IRQ_NONE); } ha = rsp->hw; reg = &ha->iobase->isp; status = 0; spin_lock_irqsave(&ha->hardware_lock, flags); vha = pci_get_drvdata(ha->pdev); for (iter = 50; iter--; ) { hccr = rd_reg_word(®->hccr); if (qla2x00_check_reg16_for_disconnect(vha, hccr)) break; if (hccr & HCCR_RISC_PAUSE) { if (pci_channel_offline(ha->pdev)) break; /* * Issue a "HARD" reset in order for the RISC interrupt * bit to be cleared. Schedule a big hammer to get * out of the RISC PAUSED state. */ wrt_reg_word(®->hccr, HCCR_RESET_RISC); rd_reg_word(®->hccr); ha->isp_ops->fw_dump(vha); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; } else if ((rd_reg_word(®->istatus) & ISR_RISC_INT) == 0) break; if (rd_reg_word(®->semaphore) & BIT_0) { wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); rd_reg_word(®->hccr); /* Get mailbox data. */ mb[0] = RD_MAILBOX_REG(ha, reg, 0); if (mb[0] > 0x3fff && mb[0] < 0x8000) { qla2x00_mbx_completion(vha, mb[0]); status |= MBX_INTERRUPT; } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { mb[1] = RD_MAILBOX_REG(ha, reg, 1); mb[2] = RD_MAILBOX_REG(ha, reg, 2); mb[3] = RD_MAILBOX_REG(ha, reg, 3); qla2x00_async_event(vha, rsp, mb); } else { /*EMPTY*/ ql_dbg(ql_dbg_async, vha, 0x5025, "Unrecognized interrupt type (%d).\n", mb[0]); } /* Release mailbox registers. */ wrt_reg_word(®->semaphore, 0); rd_reg_word(®->semaphore); } else { qla2x00_process_response_queue(rsp); wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); rd_reg_word(®->hccr); } } qla2x00_handle_mbx_completion(ha, status); spin_unlock_irqrestore(&ha->hardware_lock, flags); return (IRQ_HANDLED); } bool qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) { /* Check for PCI disconnection */ if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { qla_schedule_eeh_work(vha); } return true; } else return false; } bool qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) { return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); } /** * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. * @irq: interrupt number * @dev_id: SCSI driver HA context * * Called by system whenever the host adapter generates an interrupt. * * Returns handled flag. */ irqreturn_t qla2300_intr_handler(int irq, void *dev_id) { scsi_qla_host_t *vha; struct device_reg_2xxx __iomem *reg; int status; unsigned long iter; uint32_t stat; uint16_t hccr; uint16_t mb[8]; struct rsp_que *rsp; struct qla_hw_data *ha; unsigned long flags; rsp = (struct rsp_que *) dev_id; if (!rsp) { ql_log(ql_log_info, NULL, 0x5058, "%s: NULL response queue pointer.\n", __func__); return (IRQ_NONE); } ha = rsp->hw; reg = &ha->iobase->isp; status = 0; spin_lock_irqsave(&ha->hardware_lock, flags); vha = pci_get_drvdata(ha->pdev); for (iter = 50; iter--; ) { stat = rd_reg_dword(®->u.isp2300.host_status); if (qla2x00_check_reg32_for_disconnect(vha, stat)) break; if (stat & HSR_RISC_PAUSED) { if (unlikely(pci_channel_offline(ha->pdev))) break; hccr = rd_reg_word(®->hccr); if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) ql_log(ql_log_warn, vha, 0x5026, "Parity error -- HCCR=%x, Dumping " "firmware.\n", hccr); else ql_log(ql_log_warn, vha, 0x5027, "RISC paused -- HCCR=%x, Dumping " "firmware.\n", hccr); /* * Issue a "HARD" reset in order for the RISC * interrupt bit to be cleared. Schedule a big * hammer to get out of the RISC PAUSED state. */ wrt_reg_word(®->hccr, HCCR_RESET_RISC); rd_reg_word(®->hccr); ha->isp_ops->fw_dump(vha); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; } else if ((stat & HSR_RISC_INT) == 0) break; switch (stat & 0xff) { case 0x1: case 0x2: case 0x10: case 0x11: qla2x00_mbx_completion(vha, MSW(stat)); status |= MBX_INTERRUPT; /* Release mailbox registers. */ wrt_reg_word(®->semaphore, 0); break; case 0x12: mb[0] = MSW(stat); mb[1] = RD_MAILBOX_REG(ha, reg, 1); mb[2] = RD_MAILBOX_REG(ha, reg, 2); mb[3] = RD_MAILBOX_REG(ha, reg, 3); qla2x00_async_event(vha, rsp, mb); break; case 0x13: qla2x00_process_response_queue(rsp); break; case 0x15: mb[0] = MBA_CMPLT_1_16BIT; mb[1] = MSW(stat); qla2x00_async_event(vha, rsp, mb); break; case 0x16: mb[0] = MBA_SCSI_COMPLETION; mb[1] = MSW(stat); mb[2] = RD_MAILBOX_REG(ha, reg, 2); qla2x00_async_event(vha, rsp, mb); break; default: ql_dbg(ql_dbg_async, vha, 0x5028, "Unrecognized interrupt type (%d).\n", stat & 0xff); break; } wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); rd_reg_word_relaxed(®->hccr); } qla2x00_handle_mbx_completion(ha, status); spin_unlock_irqrestore(&ha->hardware_lock, flags); return (IRQ_HANDLED); } /** * qla2x00_mbx_completion() - Process mailbox command completions. * @vha: SCSI driver HA context * @mb0: Mailbox0 register */ static void qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) { uint16_t cnt; uint32_t mboxes; __le16 __iomem *wptr; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; /* Read all mbox registers? */ WARN_ON_ONCE(ha->mbx_count > 32); mboxes = (1ULL << ha->mbx_count) - 1; if (!ha->mcp) ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); else mboxes = ha->mcp->in_mb; /* Load return mailbox registers. */ ha->flags.mbox_int = 1; ha->mailbox_out[0] = mb0; mboxes >>= 1; wptr = MAILBOX_REG(ha, reg, 1); for (cnt = 1; cnt < ha->mbx_count; cnt++) { if (IS_QLA2200(ha) && cnt == 8) wptr = MAILBOX_REG(ha, reg, 8); if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); else if (mboxes & BIT_0) ha->mailbox_out[cnt] = rd_reg_word(wptr); wptr++; mboxes >>= 1; } } static void qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) { static char *event[] = { "Complete", "Request Notification", "Time Extension" }; int rval; struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; __le16 __iomem *wptr; uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; /* Seed data -- mailbox1 -> mailbox7. */ if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) wptr = ®24->mailbox1; else if (IS_QLA8044(vha->hw)) wptr = ®82->mailbox_out[1]; else return; for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) mb[cnt] = rd_reg_word(wptr); ql_dbg(ql_dbg_async, vha, 0x5021, "Inter-Driver Communication %s -- " "%04x %04x %04x %04x %04x %04x %04x.\n", event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6]); switch (aen) { /* Handle IDC Error completion case. */ case MBA_IDC_COMPLETE: if (mb[1] >> 15) { vha->hw->flags.idc_compl_status = 1; if (vha->hw->notify_dcbx_comp && !vha->vp_idx) complete(&vha->hw->dcbx_comp); } break; case MBA_IDC_NOTIFY: /* Acknowledgement needed? [Notify && non-zero timeout]. */ timeout = (descr >> 8) & 0xf; ql_dbg(ql_dbg_async, vha, 0x5022, "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout); if (!timeout) return; rval = qla2x00_post_idc_ack_work(vha, mb); if (rval != QLA_SUCCESS) ql_log(ql_log_warn, vha, 0x5023, "IDC failed to post ACK.\n"); break; case MBA_IDC_TIME_EXT: vha->hw->idc_extend_tmo = descr; ql_dbg(ql_dbg_async, vha, 0x5087, "%lu Inter-Driver Communication %s -- " "Extend timeout by=%d.\n", vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); break; } } #define LS_UNKNOWN 2 const char * qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) { static const char *const link_speeds[] = { "1", "2", "?", "4", "8", "16", "32", "64", "10" }; #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1) if (IS_QLA2100(ha) || IS_QLA2200(ha)) return link_speeds[0]; else if (speed == 0x13) return link_speeds[QLA_LAST_SPEED]; else if (speed < QLA_LAST_SPEED) return link_speeds[speed]; else return link_speeds[LS_UNKNOWN]; } static void qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) { struct qla_hw_data *ha = vha->hw; /* * 8200 AEN Interpretation: * mb[0] = AEN code * mb[1] = AEN Reason code * mb[2] = LSW of Peg-Halt Status-1 Register * mb[6] = MSW of Peg-Halt Status-1 Register * mb[3] = LSW of Peg-Halt Status-2 register * mb[7] = MSW of Peg-Halt Status-2 register * mb[4] = IDC Device-State Register value * mb[5] = IDC Driver-Presence Register value */ ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", mb[0], mb[1], mb[2], mb[6]); ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | IDC_HEARTBEAT_FAILURE)) { ha->flags.nic_core_hung = 1; ql_log(ql_log_warn, vha, 0x5060, "83XX: F/W Error Reported: Check if reset required.\n"); if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { uint32_t protocol_engine_id, fw_err_code, err_level; /* * IDC_PEG_HALT_STATUS_CHANGE interpretation: * - PEG-Halt Status-1 Register: * (LSW = mb[2], MSW = mb[6]) * Bits 0-7 = protocol-engine ID * Bits 8-28 = f/w error code * Bits 29-31 = Error-level * Error-level 0x1 = Non-Fatal error * Error-level 0x2 = Recoverable Fatal error * Error-level 0x4 = UnRecoverable Fatal error * - PEG-Halt Status-2 Register: * (LSW = mb[3], MSW = mb[7]) */ protocol_engine_id = (mb[2] & 0xff); fw_err_code = (((mb[2] & 0xff00) >> 8) | ((mb[6] & 0x1fff) << 8)); err_level = ((mb[6] & 0xe000) >> 13); ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " "Register: protocol_engine_id=0x%x " "fw_err_code=0x%x err_level=0x%x.\n", protocol_engine_id, fw_err_code, err_level); ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " "Register: 0x%x%x.\n", mb[7], mb[3]); if (err_level == ERR_LEVEL_NON_FATAL) { ql_log(ql_log_warn, vha, 0x5063, "Not a fatal error, f/w has recovered itself.\n"); } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { ql_log(ql_log_fatal, vha, 0x5064, "Recoverable Fatal error: Chip reset " "required.\n"); qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { ql_log(ql_log_fatal, vha, 0x5065, "Unrecoverable Fatal error: Set FAILED " "state, reboot required.\n"); qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_UNRECOVERABLE); } } if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { uint16_t peg_fw_state, nw_interface_link_up; uint16_t nw_interface_signal_detect, sfp_status; uint16_t htbt_counter, htbt_monitor_enable; uint16_t sfp_additional_info, sfp_multirate; uint16_t sfp_tx_fault, link_speed, dcbx_status; /* * IDC_NIC_FW_REPORTED_FAILURE interpretation: * - PEG-to-FC Status Register: * (LSW = mb[2], MSW = mb[6]) * Bits 0-7 = Peg-Firmware state * Bit 8 = N/W Interface Link-up * Bit 9 = N/W Interface signal detected * Bits 10-11 = SFP Status * SFP Status 0x0 = SFP+ transceiver not expected * SFP Status 0x1 = SFP+ transceiver not present * SFP Status 0x2 = SFP+ transceiver invalid * SFP Status 0x3 = SFP+ transceiver present and * valid * Bits 12-14 = Heartbeat Counter * Bit 15 = Heartbeat Monitor Enable * Bits 16-17 = SFP Additional Info * SFP info 0x0 = Unregocnized transceiver for * Ethernet * SFP info 0x1 = SFP+ brand validation failed * SFP info 0x2 = SFP+ speed validation failed * SFP info 0x3 = SFP+ access error * Bit 18 = SFP Multirate * Bit 19 = SFP Tx Fault * Bits 20-22 = Link Speed * Bits 23-27 = Reserved * Bits 28-30 = DCBX Status * DCBX Status 0x0 = DCBX Disabled * DCBX Status 0x1 = DCBX Enabled * DCBX Status 0x2 = DCBX Exchange error * Bit 31 = Reserved */ peg_fw_state = (mb[2] & 0x00ff); nw_interface_link_up = ((mb[2] & 0x0100) >> 8); nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); sfp_status = ((mb[2] & 0x0c00) >> 10); htbt_counter = ((mb[2] & 0x7000) >> 12); htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); sfp_additional_info = (mb[6] & 0x0003); sfp_multirate = ((mb[6] & 0x0004) >> 2); sfp_tx_fault = ((mb[6] & 0x0008) >> 3); link_speed = ((mb[6] & 0x0070) >> 4); dcbx_status = ((mb[6] & 0x7000) >> 12); ql_log(ql_log_warn, vha, 0x5066, "Peg-to-Fc Status Register:\n" "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " "nw_interface_signal_detect=0x%x" "\nsfp_statis=0x%x.\n ", peg_fw_state, nw_interface_link_up, nw_interface_signal_detect, sfp_status); ql_log(ql_log_warn, vha, 0x5067, "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", htbt_counter, htbt_monitor_enable, sfp_additional_info, sfp_multirate); ql_log(ql_log_warn, vha, 0x5068, "sfp_tx_fault=0x%x, link_state=0x%x, " "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, dcbx_status); qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); } if (mb[1] & IDC_HEARTBEAT_FAILURE) { ql_log(ql_log_warn, vha, 0x5069, "Heartbeat Failure encountered, chip reset " "required.\n"); qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); } } if (mb[1] & IDC_DEVICE_STATE_CHANGE) { ql_log(ql_log_info, vha, 0x506a, "IDC Device-State changed = 0x%x.\n", mb[4]); if (ha->flags.nic_core_reset_owner) return; qla83xx_schedule_work(vha, MBA_IDC_AEN); } } int qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) { struct qla_hw_data *ha = vha->hw; scsi_qla_host_t *vp; uint32_t vp_did; unsigned long flags; int ret = 0; if (!ha->num_vhosts) return ret; spin_lock_irqsave(&ha->vport_slock, flags); list_for_each_entry(vp, &ha->vp_list, list) { vp_did = vp->d_id.b24; if (vp_did == rscn_entry) { ret = 1; break; } } spin_unlock_irqrestore(&ha->vport_slock, flags); return ret; } fc_port_t * qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) { fc_port_t *f, *tf; f = tf = NULL; list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) if (f->loop_id == loop_id) return f; return NULL; } fc_port_t * qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) { fc_port_t *f, *tf; f = tf = NULL; list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { if (incl_deleted) return f; else if (f->deleted == 0) return f; } } return NULL; } fc_port_t * qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, u8 incl_deleted) { fc_port_t *f, *tf; f = tf = NULL; list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { if (f->d_id.b24 == id->b24) { if (incl_deleted) return f; else if (f->deleted == 0) return f; } } return NULL; } /* Shall be called only on supported adapters. */ static void qla27xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) { struct qla_hw_data *ha = vha->hw; bool reset_isp_needed = false; ql_log(ql_log_warn, vha, 0x02f0, "MPI Heartbeat stop. MPI reset is%s needed. " "MB0[%xh] MB1[%xh] MB2[%xh] MB3[%xh]\n", mb[1] & BIT_8 ? "" : " not", mb[0], mb[1], mb[2], mb[3]); if ((mb[1] & BIT_8) == 0) return; ql_log(ql_log_warn, vha, 0x02f1, "MPI Heartbeat stop. FW dump needed\n"); if (ql2xfulldump_on_mpifail) { ha->isp_ops->fw_dump(vha); reset_isp_needed = true; } ha->isp_ops->mpi_fw_dump(vha, 1); if (reset_isp_needed) { vha->hw->flags.fw_init_done = 0; set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); } } static struct purex_item * qla24xx_alloc_purex_item(scsi_qla_host_t *vha, uint16_t size) { struct purex_item *item = NULL; uint8_t item_hdr_size = sizeof(*item); if (size > QLA_DEFAULT_PAYLOAD_SIZE) { item = kzalloc(item_hdr_size + (size - QLA_DEFAULT_PAYLOAD_SIZE), GFP_ATOMIC); } else { if (atomic_inc_return(&vha->default_item.in_use) == 1) { item = &vha->default_item; goto initialize_purex_header; } else { item = kzalloc(item_hdr_size, GFP_ATOMIC); } } if (!item) { ql_log(ql_log_warn, vha, 0x5092, ">> Failed allocate purex list item.\n"); return NULL; } initialize_purex_header: item->vha = vha; item->size = size; return item; } static void qla24xx_queue_purex_item(scsi_qla_host_t *vha, struct purex_item *pkt, void (*process_item)(struct scsi_qla_host *vha, struct purex_item *pkt)) { struct purex_list *list = &vha->purex_list; ulong flags; pkt->process_item = process_item; spin_lock_irqsave(&list->lock, flags); list_add_tail(&pkt->list, &list->head); spin_unlock_irqrestore(&list->lock, flags); set_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags); } /** * qla24xx_copy_std_pkt() - Copy over purex ELS which is * contained in a single IOCB. * purex packet. * @vha: SCSI driver HA context * @pkt: ELS packet */ static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, void *pkt) { struct purex_item *item; item = qla24xx_alloc_purex_item(vha, QLA_DEFAULT_PAYLOAD_SIZE); if (!item) return item; memcpy(&item->iocb, pkt, sizeof(item->iocb)); return item; } /** * qla27xx_copy_fpin_pkt() - Copy over fpin packets that can * span over multiple IOCBs. * @vha: SCSI driver HA context * @pkt: ELS packet * @rsp: Response queue */ static struct purex_item * qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, void **pkt, struct rsp_que **rsp) { struct purex_entry_24xx *purex = *pkt; struct rsp_que *rsp_q = *rsp; sts_cont_entry_t *new_pkt; uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0; uint16_t buffer_copy_offset = 0; uint16_t entry_count, entry_count_remaining; struct purex_item *item; void *fpin_pkt = NULL; total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF) - PURX_ELS_HEADER_SIZE; pending_bytes = total_bytes; entry_count = entry_count_remaining = purex->entry_count; no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ? sizeof(purex->els_frame_payload) : pending_bytes; ql_log(ql_log_info, vha, 0x509a, "FPIN ELS, frame_size 0x%x, entry count %d\n", total_bytes, entry_count); item = qla24xx_alloc_purex_item(vha, total_bytes); if (!item) return item; fpin_pkt = &item->iocb; memcpy(fpin_pkt, &purex->els_frame_payload[0], no_bytes); buffer_copy_offset += no_bytes; pending_bytes -= no_bytes; --entry_count_remaining; ((response_t *)purex)->signature = RESPONSE_PROCESSED; wmb(); do { while ((total_bytes > 0) && (entry_count_remaining > 0)) { if (rsp_q->ring_ptr->signature == RESPONSE_PROCESSED) { ql_dbg(ql_dbg_async, vha, 0x5084, "Ran out of IOCBs, partial data 0x%x\n", buffer_copy_offset); cpu_relax(); continue; } new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr; *pkt = new_pkt; if (new_pkt->entry_type != STATUS_CONT_TYPE) { ql_log(ql_log_warn, vha, 0x507a, "Unexpected IOCB type, partial data 0x%x\n", buffer_copy_offset); break; } rsp_q->ring_index++; if (rsp_q->ring_index == rsp_q->length) { rsp_q->ring_index = 0; rsp_q->ring_ptr = rsp_q->ring; } else { rsp_q->ring_ptr++; } no_bytes = (pending_bytes > sizeof(new_pkt->data)) ? sizeof(new_pkt->data) : pending_bytes; if ((buffer_copy_offset + no_bytes) <= total_bytes) { memcpy(((uint8_t *)fpin_pkt + buffer_copy_offset), new_pkt->data, no_bytes); buffer_copy_offset += no_bytes; pending_bytes -= no_bytes; --entry_count_remaining; } else { ql_log(ql_log_warn, vha, 0x5044, "Attempt to copy more that we got, optimizing..%x\n", buffer_copy_offset); memcpy(((uint8_t *)fpin_pkt + buffer_copy_offset), new_pkt->data, total_bytes - buffer_copy_offset); } ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED; wmb(); } if (pending_bytes != 0 || entry_count_remaining != 0) { ql_log(ql_log_fatal, vha, 0x508b, "Dropping partial FPIN, underrun bytes = 0x%x, entry cnts 0x%x\n", total_bytes, entry_count_remaining); qla24xx_free_purex_item(item); return NULL; } } while (entry_count_remaining > 0); host_to_fcp_swap((uint8_t *)&item->iocb, total_bytes); return item; } /** * qla2x00_async_event() - Process aynchronous events. * @vha: SCSI driver HA context * @rsp: response queue * @mb: Mailbox registers (0 - 3) */ void qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) { uint16_t handle_cnt; uint16_t cnt, mbx; uint32_t handles[5]; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; uint32_t rscn_entry, host_pid; unsigned long flags; fc_port_t *fcport = NULL; if (!vha->hw->flags.fw_started) return; /* Setup to process RIO completion. */ handle_cnt = 0; if (IS_CNA_CAPABLE(ha)) goto skip_rio; switch (mb[0]) { case MBA_SCSI_COMPLETION: handles[0] = make_handle(mb[2], mb[1]); handle_cnt = 1; break; case MBA_CMPLT_1_16BIT: handles[0] = mb[1]; handle_cnt = 1; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_2_16BIT: handles[0] = mb[1]; handles[1] = mb[2]; handle_cnt = 2; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_3_16BIT: handles[0] = mb[1]; handles[1] = mb[2]; handles[2] = mb[3]; handle_cnt = 3; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_4_16BIT: handles[0] = mb[1]; handles[1] = mb[2]; handles[2] = mb[3]; handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); handle_cnt = 4; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_5_16BIT: handles[0] = mb[1]; handles[1] = mb[2]; handles[2] = mb[3]; handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); handle_cnt = 5; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_2_32BIT: handles[0] = make_handle(mb[2], mb[1]); handles[1] = make_handle(RD_MAILBOX_REG(ha, reg, 7), RD_MAILBOX_REG(ha, reg, 6)); handle_cnt = 2; mb[0] = MBA_SCSI_COMPLETION; break; default: break; } skip_rio: switch (mb[0]) { case MBA_SCSI_COMPLETION: /* Fast Post */ if (!vha->flags.online) break; for (cnt = 0; cnt < handle_cnt; cnt++) qla2x00_process_completed_request(vha, rsp->req, handles[cnt]); break; case MBA_RESET: /* Reset */ ql_dbg(ql_dbg_async, vha, 0x5002, "Asynchronous RESET.\n"); set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); break; case MBA_SYSTEM_ERR: /* System Error */ mbx = 0; vha->hw_err_cnt++; if (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { u16 m[4]; m[0] = rd_reg_word(®24->mailbox4); m[1] = rd_reg_word(®24->mailbox5); m[2] = rd_reg_word(®24->mailbox6); mbx = m[3] = rd_reg_word(®24->mailbox7); ql_log(ql_log_warn, vha, 0x5003, "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh mbx4=%xh mbx5=%xh mbx6=%xh mbx7=%xh.\n", mb[1], mb[2], mb[3], m[0], m[1], m[2], m[3]); } else ql_log(ql_log_warn, vha, 0x5003, "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n ", mb[1], mb[2], mb[3]); if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) && rd_reg_word(®24->mailbox7) & BIT_8) ha->isp_ops->mpi_fw_dump(vha, 1); ha->isp_ops->fw_dump(vha); ha->flags.fw_init_done = 0; QLA_FW_STOPPED(ha); if (IS_FWI2_CAPABLE(ha)) { if (mb[1] == 0 && mb[2] == 0) { ql_log(ql_log_fatal, vha, 0x5004, "Unrecoverable Hardware Error: adapter " "marked OFFLINE!\n"); vha->flags.online = 0; vha->device_flags |= DFLG_DEV_FAILED; } else { /* Check to see if MPI timeout occurred */ if ((mbx & MBX_3) && (ha->port_no == 0)) set_bit(MPI_RESET_NEEDED, &vha->dpc_flags); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); } } else if (mb[1] == 0) { ql_log(ql_log_fatal, vha, 0x5005, "Unrecoverable Hardware Error: adapter marked " "OFFLINE!\n"); vha->flags.online = 0; vha->device_flags |= DFLG_DEV_FAILED; } else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ ql_log(ql_log_warn, vha, 0x5006, "ISP Request Transfer Error (%x).\n", mb[1]); vha->hw_err_cnt++; set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ ql_log(ql_log_warn, vha, 0x5007, "ISP Response Transfer Error (%x).\n", mb[1]); vha->hw_err_cnt++; set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ ql_dbg(ql_dbg_async, vha, 0x5008, "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); break; case MBA_LOOP_INIT_ERR: ql_log(ql_log_warn, vha, 0x5090, "LOOP INIT ERROR (%x).\n", mb[1]); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ ha->flags.lip_ae = 1; ql_dbg(ql_dbg_async, vha, 0x5009, "LIP occurred (%x).\n", mb[1]); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); qla2x00_mark_all_devices_lost(vha); } if (vha->vp_idx) { atomic_set(&vha->vp_state, VP_FAILED); fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); } set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); vha->flags.management_server_logged_in = 0; qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); break; case MBA_LOOP_UP: /* Loop Up Event */ if (IS_QLA2100(ha) || IS_QLA2200(ha)) ha->link_data_rate = PORT_SPEED_1GB; else ha->link_data_rate = mb[1]; ql_log(ql_log_info, vha, 0x500a, "LOOP UP detected (%s Gbps).\n", qla2x00_get_link_speed_str(ha, ha->link_data_rate)); if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { if (mb[2] & BIT_0) ql_log(ql_log_info, vha, 0x11a0, "FEC=enabled (link up).\n"); } vha->flags.management_server_logged_in = 0; qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); if (vha->link_down_time < vha->hw->port_down_retry_count) { vha->short_link_down_cnt++; vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; } break; case MBA_LOOP_DOWN: /* Loop Down Event */ SAVE_TOPO(ha); ha->flags.lip_ae = 0; ha->current_topology = 0; vha->link_down_time = 0; mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) ? rd_reg_word(®24->mailbox4) : 0; mbx = (IS_P3P_TYPE(ha)) ? rd_reg_word(®82->mailbox_out[4]) : mbx; ql_log(ql_log_info, vha, 0x500b, "LOOP DOWN detected (%x %x %x %x).\n", mb[1], mb[2], mb[3], mbx); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); /* * In case of loop down, restore WWPN from * NVRAM in case of FA-WWPN capable ISP * Restore for Physical Port only */ if (!vha->vp_idx) { if (ha->flags.fawwpn_enabled && (ha->current_topology == ISP_CFG_F)) { memcpy(vha->port_name, ha->port_name, WWN_SIZE); fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x00d8, "LOOP DOWN detected," "restore WWPN %016llx\n", wwn_to_u64(vha->port_name)); } clear_bit(VP_CONFIG_OK, &vha->vp_flags); } vha->device_flags |= DFLG_NO_CABLE; qla2x00_mark_all_devices_lost(vha); } if (vha->vp_idx) { atomic_set(&vha->vp_state, VP_FAILED); fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); } vha->flags.management_server_logged_in = 0; ha->link_data_rate = PORT_SPEED_UNKNOWN; qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); break; case MBA_LIP_RESET: /* LIP reset occurred */ ql_dbg(ql_dbg_async, vha, 0x500c, "LIP reset occurred (%x).\n", mb[1]); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); qla2x00_mark_all_devices_lost(vha); } if (vha->vp_idx) { atomic_set(&vha->vp_state, VP_FAILED); fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); } set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); ha->operating_mode = LOOP; vha->flags.management_server_logged_in = 0; qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); break; /* case MBA_DCBX_COMPLETE: */ case MBA_POINT_TO_POINT: /* Point-to-Point */ ha->flags.lip_ae = 0; if (IS_QLA2100(ha)) break; if (IS_CNA_CAPABLE(ha)) { ql_dbg(ql_dbg_async, vha, 0x500d, "DCBX Completed -- %04x %04x %04x.\n", mb[1], mb[2], mb[3]); if (ha->notify_dcbx_comp && !vha->vp_idx) complete(&ha->dcbx_comp); } else ql_dbg(ql_dbg_async, vha, 0x500e, "Asynchronous P2P MODE received.\n"); /* * Until there's a transition from loop down to loop up, treat * this as loop down only. */ if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); if (!atomic_read(&vha->loop_down_timer)) atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); if (!N2N_TOPO(ha)) qla2x00_mark_all_devices_lost(vha); } if (vha->vp_idx) { atomic_set(&vha->vp_state, VP_FAILED); fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); } if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); vha->flags.management_server_logged_in = 0; break; case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ if (IS_QLA2100(ha)) break; ql_dbg(ql_dbg_async, vha, 0x500f, "Configuration change detected: value=%x.\n", mb[1]); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); if (!atomic_read(&vha->loop_down_timer)) atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); qla2x00_mark_all_devices_lost(vha); } if (vha->vp_idx) { atomic_set(&vha->vp_state, VP_FAILED); fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); } set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); break; case MBA_PORT_UPDATE: /* Port database update */ /* * Handle only global and vn-port update events * * Relevant inputs: * mb[1] = N_Port handle of changed port * OR 0xffff for global event * mb[2] = New login state * 7 = Port logged out * mb[3] = LSB is vp_idx, 0xff = all vps * * Skip processing if: * Event is global, vp_idx is NOT all vps, * vp_idx does not match * Event is not global, vp_idx does not match */ if (IS_QLA2XXX_MIDTYPE(ha) && ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) break; if (mb[2] == 0x7) { ql_dbg(ql_dbg_async, vha, 0x5010, "Port %s %04x %04x %04x.\n", mb[1] == 0xffff ? "unavailable" : "logout", mb[1], mb[2], mb[3]); if (mb[1] == 0xffff) goto global_port_update; if (mb[1] == NPH_SNS_LID(ha)) { set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); break; } /* use handle_cnt for loop id/nport handle */ if (IS_FWI2_CAPABLE(ha)) handle_cnt = NPH_SNS; else handle_cnt = SIMPLE_NAME_SERVER; if (mb[1] == handle_cnt) { set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); break; } /* Port logout */ fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); if (!fcport) break; if (atomic_read(&fcport->state) != FCS_ONLINE) break; ql_dbg(ql_dbg_async, vha, 0x508a, "Marking port lost loopid=%04x portid=%06x.\n", fcport->loop_id, fcport->d_id.b24); if (qla_ini_mode_enabled(vha)) { fcport->logout_on_delete = 0; qlt_schedule_sess_for_deletion(fcport); } break; global_port_update: if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); vha->device_flags |= DFLG_NO_CABLE; qla2x00_mark_all_devices_lost(vha); } if (vha->vp_idx) { atomic_set(&vha->vp_state, VP_FAILED); fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); qla2x00_mark_all_devices_lost(vha); } vha->flags.management_server_logged_in = 0; ha->link_data_rate = PORT_SPEED_UNKNOWN; break; } /* * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET * event etc. earlier indicating loop is down) then process * it. Otherwise ignore it and Wait for RSCN to come in. */ atomic_set(&vha->loop_down_timer, 0); if (atomic_read(&vha->loop_state) != LOOP_DOWN && !ha->flags.n2n_ae && atomic_read(&vha->loop_state) != LOOP_DEAD) { ql_dbg(ql_dbg_async, vha, 0x5011, "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", mb[1], mb[2], mb[3]); break; } ql_dbg(ql_dbg_async, vha, 0x5012, "Port database changed %04x %04x %04x.\n", mb[1], mb[2], mb[3]); /* * Mark all devices as missing so we will login again. */ atomic_set(&vha->loop_state, LOOP_UP); vha->scan.scan_retry = 0; set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); set_bit(VP_CONFIG_OK, &vha->vp_flags); break; case MBA_RSCN_UPDATE: /* State Change Registration */ /* Check if the Vport has issued a SCR */ if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) break; /* Only handle SCNs for our Vport index. */ if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) break; ql_log(ql_log_warn, vha, 0x5013, "RSCN database changed -- %04x %04x %04x.\n", mb[1], mb[2], mb[3]); rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) | vha->d_id.b.al_pa; if (rscn_entry == host_pid) { ql_dbg(ql_dbg_async, vha, 0x5014, "Ignoring RSCN update to local host " "port ID (%06x).\n", host_pid); break; } /* Ignore reserved bits from RSCN-payload. */ rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; /* Skip RSCNs for virtual ports on the same physical port */ if (qla2x00_is_a_vp_did(vha, rscn_entry)) break; atomic_set(&vha->loop_down_timer, 0); vha->flags.management_server_logged_in = 0; { struct event_arg ea; memset(&ea, 0, sizeof(ea)); ea.id.b24 = rscn_entry; ea.id.b.rsvd_1 = rscn_entry >> 24; qla2x00_handle_rscn(vha, &ea); qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); } break; case MBA_CONGN_NOTI_RECV: if (!ha->flags.scm_enabled || mb[1] != QLA_CON_PRIMITIVE_RECEIVED) break; if (mb[2] == QLA_CONGESTION_ARB_WARNING) { ql_dbg(ql_dbg_async, vha, 0x509b, "Congestion Warning %04x %04x.\n", mb[1], mb[2]); } else if (mb[2] == QLA_CONGESTION_ARB_ALARM) { ql_log(ql_log_warn, vha, 0x509b, "Congestion Alarm %04x %04x.\n", mb[1], mb[2]); } break; /* case MBA_RIO_RESPONSE: */ case MBA_ZIO_RESPONSE: ql_dbg(ql_dbg_async, vha, 0x5015, "[R|Z]IO update completion.\n"); if (IS_FWI2_CAPABLE(ha)) qla24xx_process_response_queue(vha, rsp); else qla2x00_process_response_queue(rsp); break; case MBA_DISCARD_RND_FRAME: ql_dbg(ql_dbg_async, vha, 0x5016, "Discard RND Frame -- %04x %04x %04x.\n", mb[1], mb[2], mb[3]); vha->interface_err_cnt++; break; case MBA_TRACE_NOTIFICATION: ql_dbg(ql_dbg_async, vha, 0x5017, "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); break; case MBA_ISP84XX_ALERT: ql_dbg(ql_dbg_async, vha, 0x5018, "ISP84XX Alert Notification -- %04x %04x %04x.\n", mb[1], mb[2], mb[3]); spin_lock_irqsave(&ha->cs84xx->access_lock, flags); switch (mb[1]) { case A84_PANIC_RECOVERY: ql_log(ql_log_info, vha, 0x5019, "Alert 84XX: panic recovery %04x %04x.\n", mb[2], mb[3]); break; case A84_OP_LOGIN_COMPLETE: ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; ql_log(ql_log_info, vha, 0x501a, "Alert 84XX: firmware version %x.\n", ha->cs84xx->op_fw_version); break; case A84_DIAG_LOGIN_COMPLETE: ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; ql_log(ql_log_info, vha, 0x501b, "Alert 84XX: diagnostic firmware version %x.\n", ha->cs84xx->diag_fw_version); break; case A84_GOLD_LOGIN_COMPLETE: ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; ha->cs84xx->fw_update = 1; ql_log(ql_log_info, vha, 0x501c, "Alert 84XX: gold firmware version %x.\n", ha->cs84xx->gold_fw_version); break; default: ql_log(ql_log_warn, vha, 0x501d, "Alert 84xx: Invalid Alert %04x %04x %04x.\n", mb[1], mb[2], mb[3]); } spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); break; case MBA_DCBX_START: ql_dbg(ql_dbg_async, vha, 0x501e, "DCBX Started -- %04x %04x %04x.\n", mb[1], mb[2], mb[3]); break; case MBA_DCBX_PARAM_UPDATE: ql_dbg(ql_dbg_async, vha, 0x501f, "DCBX Parameters Updated -- %04x %04x %04x.\n", mb[1], mb[2], mb[3]); break; case MBA_FCF_CONF_ERR: ql_dbg(ql_dbg_async, vha, 0x5020, "FCF Configuration Error -- %04x %04x %04x.\n", mb[1], mb[2], mb[3]); break; case MBA_IDC_NOTIFY: if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { mb[4] = rd_reg_word(®24->mailbox4); if (((mb[2] & 0x7fff) == MBC_PORT_RESET || (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); /* * Extend loop down timer since port is active. */ if (atomic_read(&vha->loop_state) == LOOP_DOWN) atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); qla2xxx_wake_dpc(vha); } } fallthrough; case MBA_IDC_COMPLETE: if (ha->notify_lb_portup_comp && !vha->vp_idx) complete(&ha->lb_portup_comp); fallthrough; case MBA_IDC_TIME_EXT: if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || IS_QLA8044(ha)) qla81xx_idc_event(vha, mb[0], mb[1]); break; case MBA_IDC_AEN: if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { vha->hw_err_cnt++; qla27xx_handle_8200_aen(vha, mb); } else if (IS_QLA83XX(ha)) { mb[4] = rd_reg_word(®24->mailbox4); mb[5] = rd_reg_word(®24->mailbox5); mb[6] = rd_reg_word(®24->mailbox6); mb[7] = rd_reg_word(®24->mailbox7); qla83xx_handle_8200_aen(vha, mb); } else { ql_dbg(ql_dbg_async, vha, 0x5052, "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n", mb[0], mb[1], mb[2], mb[3]); } break; case MBA_DPORT_DIAGNOSTICS: if ((mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_NOERR || (mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_ERR) vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS; ql_dbg(ql_dbg_async, vha, 0x5052, "D-Port Diagnostics: %04x %04x %04x %04x\n", mb[0], mb[1], mb[2], mb[3]); memcpy(vha->dport_data, mb, sizeof(vha->dport_data)); if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { static char *results[] = { "start", "done(pass)", "done(error)", "undefined" }; static char *types[] = { "none", "dynamic", "static", "other" }; uint result = mb[1] >> 0 & 0x3; uint type = mb[1] >> 6 & 0x3; uint sw = mb[1] >> 15 & 0x1; ql_dbg(ql_dbg_async, vha, 0x5052, "D-Port Diagnostics: result=%s type=%s [sw=%u]\n", results[result], types[type], sw); if (result == 2) { static char *reasons[] = { "reserved", "unexpected reject", "unexpected phase", "retry exceeded", "timed out", "not supported", "user stopped" }; uint reason = mb[2] >> 0 & 0xf; uint phase = mb[2] >> 12 & 0xf; ql_dbg(ql_dbg_async, vha, 0x5052, "D-Port Diagnostics: reason=%s phase=%u \n", reason < 7 ? reasons[reason] : "other", phase >> 1); } } break; case MBA_TEMPERATURE_ALERT: ql_dbg(ql_dbg_async, vha, 0x505e, "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); break; case MBA_TRANS_INSERT: ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Insertion: %04x\n", mb[1]); set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); break; case MBA_TRANS_REMOVE: ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Removal\n"); break; default: ql_dbg(ql_dbg_async, vha, 0x5057, "Unknown AEN:%04x %04x %04x %04x\n", mb[0], mb[1], mb[2], mb[3]); } qlt_async_event(mb[0], vha, mb); if (!vha->vp_idx && ha->num_vhosts) qla2x00_alert_all_vps(rsp, mb); } /** * qla2x00_process_completed_request() - Process a Fast Post response. * @vha: SCSI driver HA context * @req: request queue * @index: SRB index */ void qla2x00_process_completed_request(struct scsi_qla_host *vha, struct req_que *req, uint32_t index) { srb_t *sp; struct qla_hw_data *ha = vha->hw; /* Validate handle. */ if (index >= req->num_outstanding_cmds) { ql_log(ql_log_warn, vha, 0x3014, "Invalid SCSI command index (%x).\n", index); if (IS_P3P_TYPE(ha)) set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); return; } sp = req->outstanding_cmds[index]; if (sp) { /* Free outstanding command slot. */ req->outstanding_cmds[index] = NULL; /* Save ISP completion status */ sp->done(sp, DID_OK << 16); } else { ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); if (IS_P3P_TYPE(ha)) set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); } } static srb_t * qla_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, struct req_que *req, void *iocb, u16 *ret_index) { struct qla_hw_data *ha = vha->hw; sts_entry_t *pkt = iocb; srb_t *sp; uint16_t index; if (pkt->handle == QLA_SKIP_HANDLE) return NULL; index = LSW(pkt->handle); if (index >= req->num_outstanding_cmds) { ql_log(ql_log_warn, vha, 0x5031, "%s: Invalid command index (%x) type %8ph.\n", func, index, iocb); if (IS_P3P_TYPE(ha)) set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); return NULL; } sp = req->outstanding_cmds[index]; if (!sp) { ql_log(ql_log_warn, vha, 0x5032, "%s: Invalid completion handle (%x) -- timed-out.\n", func, index); return NULL; } if (sp->handle != index) { ql_log(ql_log_warn, vha, 0x5033, "%s: SRB handle (%x) mismatch %x.\n", func, sp->handle, index); return NULL; } *ret_index = index; qla_put_fw_resources(sp->qpair, &sp->iores); return sp; } srb_t * qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, struct req_que *req, void *iocb) { uint16_t index; srb_t *sp; sp = qla_get_sp_from_handle(vha, func, req, iocb, &index); if (sp) req->outstanding_cmds[index] = NULL; return sp; } static void qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct mbx_entry *mbx) { const char func[] = "MBX-IOCB"; const char *type; fc_port_t *fcport; srb_t *sp; struct srb_iocb *lio; uint16_t *data; uint16_t status; sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); if (!sp) return; lio = &sp->u.iocb_cmd; type = sp->name; fcport = sp->fcport; data = lio->u.logio.data; data[0] = MBS_COMMAND_ERROR; data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? QLA_LOGIO_LOGIN_RETRIED : 0; if (mbx->entry_status) { ql_dbg(ql_dbg_async, vha, 0x5043, "Async-%s error entry - hdl=%x portid=%02x%02x%02x " "entry-status=%x status=%x state-flag=%x " "status-flags=%x.\n", type, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, mbx->entry_status, le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), le16_to_cpu(mbx->status_flags)); ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, mbx, sizeof(*mbx)); goto logio_done; } status = le16_to_cpu(mbx->status); if (status == 0x30 && sp->type == SRB_LOGIN_CMD && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) status = 0; if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { ql_dbg(ql_dbg_async, vha, 0x5045, "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", type, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, le16_to_cpu(mbx->mb1)); data[0] = MBS_COMMAND_COMPLETE; if (sp->type == SRB_LOGIN_CMD) { fcport->port_type = FCT_TARGET; if (le16_to_cpu(mbx->mb1) & BIT_0) fcport->port_type = FCT_INITIATOR; else if (le16_to_cpu(mbx->mb1) & BIT_1) fcport->flags |= FCF_FCP2_DEVICE; } goto logio_done; } data[0] = le16_to_cpu(mbx->mb0); switch (data[0]) { case MBS_PORT_ID_USED: data[1] = le16_to_cpu(mbx->mb1); break; case MBS_LOOP_ID_USED: break; default: data[0] = MBS_COMMAND_ERROR; break; } ql_log(ql_log_warn, vha, 0x5046, "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), le16_to_cpu(mbx->mb7)); logio_done: sp->done(sp, 0); } static void qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct mbx_24xx_entry *pkt) { const char func[] = "MBX-IOCB2"; struct qla_hw_data *ha = vha->hw; srb_t *sp; struct srb_iocb *si; u16 sz, i; int res; sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (!sp) return; if (sp->type == SRB_SCSI_CMD || sp->type == SRB_NVME_CMD || sp->type == SRB_TM_CMD) { ql_log(ql_log_warn, vha, 0x509d, "Inconsistent event entry type %d\n", sp->type); if (IS_P3P_TYPE(ha)) set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); return; } si = &sp->u.iocb_cmd; sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); for (i = 0; i < sz; i++) si->u.mbx.in_mb[i] = pkt->mb[i]; res = (si->u.mbx.in_mb[0] & MBS_MASK); sp->done(sp, res); } static void qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct nack_to_isp *pkt) { const char func[] = "nack"; srb_t *sp; int res = 0; sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (!sp) return; if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) res = QLA_FUNCTION_FAILED; sp->done(sp, res); } static void qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, sts_entry_t *pkt, int iocb_type) { const char func[] = "CT_IOCB"; const char *type; srb_t *sp; struct bsg_job *bsg_job; struct fc_bsg_reply *bsg_reply; uint16_t comp_status; int res = 0; sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (!sp) return; switch (sp->type) { case SRB_CT_CMD: bsg_job = sp->u.bsg_job; bsg_reply = bsg_job->reply; type = "ct pass-through"; comp_status = le16_to_cpu(pkt->comp_status); /* * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT * fc payload to the caller */ bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; bsg_job->reply_len = sizeof(struct fc_bsg_reply); if (comp_status != CS_COMPLETE) { if (comp_status == CS_DATA_UNDERRUN) { res = DID_OK << 16; bsg_reply->reply_payload_rcv_len = le16_to_cpu(pkt->rsp_info_len); ql_log(ql_log_warn, vha, 0x5048, "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", type, comp_status, bsg_reply->reply_payload_rcv_len); } else { ql_log(ql_log_warn, vha, 0x5049, "CT pass-through-%s error comp_status=0x%x.\n", type, comp_status); res = DID_ERROR << 16; bsg_reply->reply_payload_rcv_len = 0; } ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, pkt, sizeof(*pkt)); } else { res = DID_OK << 16; bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; bsg_job->reply_len = 0; } break; case SRB_CT_PTHRU_CMD: /* * borrowing sts_entry_24xx.comp_status. * same location as ct_entry_24xx.comp_status */ res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, sp->name); break; } sp->done(sp, res); } static void qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req, struct sts_entry_24xx *pkt, int iocb_type) { struct els_sts_entry_24xx *ese = (struct els_sts_entry_24xx *)pkt; const char func[] = "ELS_CT_IOCB"; const char *type; srb_t *sp; struct bsg_job *bsg_job; struct fc_bsg_reply *bsg_reply; uint16_t comp_status; uint32_t fw_status[3]; int res, logit = 1; struct srb_iocb *els; uint n; scsi_qla_host_t *vha; struct els_sts_entry_24xx *e = (struct els_sts_entry_24xx *)pkt; sp = qla2x00_get_sp_from_handle(v, func, req, pkt); if (!sp) return; bsg_job = sp->u.bsg_job; vha = sp->vha; type = NULL; comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); fw_status[1] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1); fw_status[2] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2); switch (sp->type) { case SRB_ELS_CMD_RPT: case SRB_ELS_CMD_HST: type = "rpt hst"; break; case SRB_ELS_CMD_HST_NOLOGIN: type = "els"; { struct els_entry_24xx *els = (void *)pkt; struct qla_bsg_auth_els_request *p = (struct qla_bsg_auth_els_request *)bsg_job->request; ql_dbg(ql_dbg_user, vha, 0x700f, "%s %s. portid=%02x%02x%02x status %x xchg %x bsg ptr %p\n", __func__, sc_to_str(p->e.sub_cmd), e->d_id[2], e->d_id[1], e->d_id[0], comp_status, p->e.extra_rx_xchg_address, bsg_job); if (!(le16_to_cpu(els->control_flags) & ECF_PAYLOAD_DESCR_MASK)) { if (sp->remap.remapped) { n = sg_copy_from_buffer(bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt, sp->remap.rsp.buf, sp->remap.rsp.len); ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x700e, "%s: SG copied %x of %x\n", __func__, n, sp->remap.rsp.len); } else { ql_dbg(ql_dbg_user, vha, 0x700f, "%s: NOT REMAPPED (error)...!!!\n", __func__); } } } break; case SRB_CT_CMD: type = "ct pass-through"; break; case SRB_ELS_DCMD: type = "Driver ELS logo"; if (iocb_type != ELS_IOCB_TYPE) { ql_dbg(ql_dbg_user, vha, 0x5047, "Completing %s: (%p) type=%d.\n", type, sp, sp->type); sp->done(sp, 0); return; } break; case SRB_CT_PTHRU_CMD: /* borrowing sts_entry_24xx.comp_status. same location as ct_entry_24xx.comp_status */ res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, sp->name); sp->done(sp, res); return; default: ql_dbg(ql_dbg_user, vha, 0x503e, "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); return; } if (iocb_type == ELS_IOCB_TYPE) { els = &sp->u.iocb_cmd; els->u.els_plogi.fw_status[0] = cpu_to_le32(fw_status[0]); els->u.els_plogi.fw_status[1] = cpu_to_le32(fw_status[1]); els->u.els_plogi.fw_status[2] = cpu_to_le32(fw_status[2]); els->u.els_plogi.comp_status = cpu_to_le16(fw_status[0]); if (comp_status == CS_COMPLETE) { res = DID_OK << 16; } else { if (comp_status == CS_DATA_UNDERRUN) { res = DID_OK << 16; els->u.els_plogi.len = cpu_to_le16(le32_to_cpu( ese->total_byte_count)); if (sp->remap.remapped && ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_ACC) { ql_dbg(ql_dbg_user, vha, 0x503f, "%s IOCB Done LS_ACC %02x%02x%02x -> %02x%02x%02x", __func__, e->s_id[0], e->s_id[2], e->s_id[1], e->d_id[2], e->d_id[1], e->d_id[0]); logit = 0; } } else if (comp_status == CS_PORT_LOGGED_OUT) { ql_dbg(ql_dbg_disc, vha, 0x911e, "%s %d schedule session deletion\n", __func__, __LINE__); els->u.els_plogi.len = 0; res = DID_IMM_RETRY << 16; qlt_schedule_sess_for_deletion(sp->fcport); } else { els->u.els_plogi.len = 0; res = DID_ERROR << 16; } if (sp->remap.remapped && ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_RJT) { if (logit) { ql_dbg(ql_dbg_user, vha, 0x503f, "%s IOCB Done LS_RJT hdl=%x comp_status=0x%x\n", type, sp->handle, comp_status); ql_dbg(ql_dbg_user, vha, 0x503f, "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", fw_status[1], fw_status[2], le32_to_cpu(((struct els_sts_entry_24xx *) pkt)->total_byte_count), e->s_id[0], e->s_id[2], e->s_id[1], e->d_id[2], e->d_id[1], e->d_id[0]); } if (sp->fcport && sp->fcport->flags & FCF_FCSP_DEVICE && sp->type == SRB_ELS_CMD_HST_NOLOGIN) { ql_dbg(ql_dbg_edif, vha, 0x911e, "%s rcv reject. Sched delete\n", __func__); qlt_schedule_sess_for_deletion(sp->fcport); } } else if (logit) { ql_log(ql_log_info, vha, 0x503f, "%s IOCB Done hdl=%x comp_status=0x%x\n", type, sp->handle, comp_status); ql_log(ql_log_info, vha, 0x503f, "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n", fw_status[1], fw_status[2], le32_to_cpu(((struct els_sts_entry_24xx *) pkt)->total_byte_count), e->s_id[0], e->s_id[2], e->s_id[1], e->d_id[2], e->d_id[1], e->d_id[0]); } } goto els_ct_done; } /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT * fc payload to the caller */ bsg_job = sp->u.bsg_job; bsg_reply = bsg_job->reply; bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); if (comp_status != CS_COMPLETE) { if (comp_status == CS_DATA_UNDERRUN) { res = DID_OK << 16; bsg_reply->reply_payload_rcv_len = le32_to_cpu(ese->total_byte_count); ql_dbg(ql_dbg_user, vha, 0x503f, "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", type, sp->handle, comp_status, fw_status[1], fw_status[2], le32_to_cpu(ese->total_byte_count)); } else { ql_dbg(ql_dbg_user, vha, 0x5040, "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " "error subcode 1=0x%x error subcode 2=0x%x.\n", type, sp->handle, comp_status, le32_to_cpu(ese->error_subcode_1), le32_to_cpu(ese->error_subcode_2)); res = DID_ERROR << 16; bsg_reply->reply_payload_rcv_len = 0; } memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), fw_status, sizeof(fw_status)); ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, pkt, sizeof(*pkt)); } else { res = DID_OK << 16; bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; bsg_job->reply_len = 0; } els_ct_done: sp->done(sp, res); } static void qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, struct logio_entry_24xx *logio) { const char func[] = "LOGIO-IOCB"; const char *type; fc_port_t *fcport; srb_t *sp; struct srb_iocb *lio; uint16_t *data; uint32_t iop[2]; int logit = 1; sp = qla2x00_get_sp_from_handle(vha, func, req, logio); if (!sp) return; lio = &sp->u.iocb_cmd; type = sp->name; fcport = sp->fcport; data = lio->u.logio.data; data[0] = MBS_COMMAND_ERROR; data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? QLA_LOGIO_LOGIN_RETRIED : 0; if (logio->entry_status) { ql_log(ql_log_warn, fcport->vha, 0x5034, "Async-%s error entry - %8phC hdl=%x" "portid=%02x%02x%02x entry-status=%x.\n", type, fcport->port_name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, logio->entry_status); ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, logio, sizeof(*logio)); goto logio_done; } if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { ql_dbg(ql_dbg_async, sp->vha, 0x5036, "Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n", type, sp->handle, fcport->d_id.b24, fcport->port_name, le32_to_cpu(logio->io_parameter[0])); vha->hw->exch_starvation = 0; data[0] = MBS_COMMAND_COMPLETE; if (sp->type == SRB_PRLI_CMD) { lio->u.logio.iop[0] = le32_to_cpu(logio->io_parameter[0]); lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[1]); goto logio_done; } if (sp->type != SRB_LOGIN_CMD) goto logio_done; lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[5]); if (le32_to_cpu(logio->io_parameter[5]) & LIO_COMM_FEAT_FCSP) fcport->flags |= FCF_FCSP_DEVICE; iop[0] = le32_to_cpu(logio->io_parameter[0]); if (iop[0] & BIT_4) { fcport->port_type = FCT_TARGET; if (iop[0] & BIT_8) fcport->flags |= FCF_FCP2_DEVICE; } else if (iop[0] & BIT_5) fcport->port_type = FCT_INITIATOR; if (iop[0] & BIT_7) fcport->flags |= FCF_CONF_COMP_SUPPORTED; if (logio->io_parameter[7] || logio->io_parameter[8]) fcport->supported_classes |= FC_COS_CLASS2; if (logio->io_parameter[9] || logio->io_parameter[10]) fcport->supported_classes |= FC_COS_CLASS3; goto logio_done; } iop[0] = le32_to_cpu(logio->io_parameter[0]); iop[1] = le32_to_cpu(logio->io_parameter[1]); lio->u.logio.iop[0] = iop[0]; lio->u.logio.iop[1] = iop[1]; switch (iop[0]) { case LSC_SCODE_PORTID_USED: data[0] = MBS_PORT_ID_USED; data[1] = LSW(iop[1]); logit = 0; break; case LSC_SCODE_NPORT_USED: data[0] = MBS_LOOP_ID_USED; logit = 0; break; case LSC_SCODE_CMD_FAILED: if (iop[1] == 0x0606) { /* * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, * Target side acked. */ data[0] = MBS_COMMAND_COMPLETE; goto logio_done; } data[0] = MBS_COMMAND_ERROR; break; case LSC_SCODE_NOXCB: vha->hw->exch_starvation++; if (vha->hw->exch_starvation > 5) { ql_log(ql_log_warn, vha, 0xd046, "Exchange starvation. Resetting RISC\n"); vha->hw->exch_starvation = 0; if (IS_P3P_TYPE(vha->hw)) set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); } fallthrough; default: data[0] = MBS_COMMAND_ERROR; break; } if (logit) ql_log(ql_log_warn, sp->vha, 0x5037, "Async-%s failed: " "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", type, sp->handle, fcport->d_id.b24, fcport->port_name, le16_to_cpu(logio->comp_status), le32_to_cpu(logio->io_parameter[0]), le32_to_cpu(logio->io_parameter[1])); else ql_dbg(ql_dbg_disc, sp->vha, 0x5037, "Async-%s failed: " "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n", type, sp->handle, fcport->d_id.b24, fcport->port_name, le16_to_cpu(logio->comp_status), le32_to_cpu(logio->io_parameter[0]), le32_to_cpu(logio->io_parameter[1])); logio_done: sp->done(sp, 0); } static void qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) { const char func[] = "TMF-IOCB"; const char *type; fc_port_t *fcport; srb_t *sp; struct srb_iocb *iocb; struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; u16 comp_status; sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); if (!sp) return; comp_status = le16_to_cpu(sts->comp_status); iocb = &sp->u.iocb_cmd; type = sp->name; fcport = sp->fcport; iocb->u.tmf.data = QLA_SUCCESS; if (sts->entry_status) { ql_log(ql_log_warn, fcport->vha, 0x5038, "Async-%s error - hdl=%x entry-status(%x).\n", type, sp->handle, sts->entry_status); iocb->u.tmf.data = QLA_FUNCTION_FAILED; } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { ql_log(ql_log_warn, fcport->vha, 0x5039, "Async-%s error - hdl=%x completion status(%x).\n", type, sp->handle, comp_status); iocb->u.tmf.data = QLA_FUNCTION_FAILED; } else if ((le16_to_cpu(sts->scsi_status) & SS_RESPONSE_INFO_LEN_VALID)) { host_to_fcp_swap(sts->data, sizeof(sts->data)); if (le32_to_cpu(sts->rsp_data_len) < 4) { ql_log(ql_log_warn, fcport->vha, 0x503b, "Async-%s error - hdl=%x not enough response(%d).\n", type, sp->handle, sts->rsp_data_len); } else if (sts->data[3]) { ql_log(ql_log_warn, fcport->vha, 0x503c, "Async-%s error - hdl=%x response(%x).\n", type, sp->handle, sts->data[3]); iocb->u.tmf.data = QLA_FUNCTION_FAILED; } } switch (comp_status) { case CS_PORT_LOGGED_OUT: case CS_PORT_CONFIG_CHG: case CS_PORT_BUSY: case CS_INCOMPLETE: case CS_PORT_UNAVAILABLE: case CS_TIMEOUT: case CS_RESET: if (atomic_read(&fcport->state) == FCS_ONLINE) { ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, "-Port to be marked lost on fcport=%02x%02x%02x, current port state= %s comp_status %x.\n", fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, port_state_str[FCS_ONLINE], comp_status); qlt_schedule_sess_for_deletion(fcport); } break; default: break; } if (iocb->u.tmf.data != QLA_SUCCESS) ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, sts, sizeof(*sts)); sp->done(sp, 0); } static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk, srb_t *sp) { fc_port_t *fcport; struct srb_iocb *iocb; struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; uint16_t state_flags; struct nvmefc_fcp_req *fd; uint16_t ret = QLA_SUCCESS; __le16 comp_status = sts->comp_status; int logit = 0; iocb = &sp->u.iocb_cmd; fcport = sp->fcport; iocb->u.nvme.comp_status = comp_status; state_flags = le16_to_cpu(sts->state_flags); fd = iocb->u.nvme.desc; if (unlikely(iocb->u.nvme.aen_op)) atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); else sp->qpair->cmd_completion_cnt++; if (unlikely(comp_status != CS_COMPLETE)) logit = 1; fd->transferred_length = fd->payload_length - le32_to_cpu(sts->residual_len); /* * State flags: Bit 6 and 0. * If 0 is set, we don't care about 6. * both cases resp was dma'd to host buffer * if both are 0, that is good path case. * if six is set and 0 is clear, we need to * copy resp data from status iocb to resp buffer. */ if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { iocb->u.nvme.rsp_pyld_len = 0; } else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) == (SF_FCP_RSP_DMA | SF_NVME_ERSP)) { /* Response already DMA'd to fd->rspaddr. */ iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; } else if ((state_flags & SF_FCP_RSP_DMA)) { /* * Non-zero value in first 12 bytes of NVMe_RSP IU, treat this * as an error. */ iocb->u.nvme.rsp_pyld_len = 0; fd->transferred_length = 0; ql_dbg(ql_dbg_io, fcport->vha, 0x307a, "Unexpected values in NVMe_RSP IU.\n"); logit = 1; } else if (state_flags & SF_NVME_ERSP) { uint32_t *inbuf, *outbuf; uint16_t iter; inbuf = (uint32_t *)&sts->nvme_ersp_data; outbuf = (uint32_t *)fd->rspaddr; iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len; if (unlikely(le16_to_cpu(iocb->u.nvme.rsp_pyld_len) > sizeof(struct nvme_fc_ersp_iu))) { if (ql_mask_match(ql_dbg_io)) { WARN_ONCE(1, "Unexpected response payload length %u.\n", iocb->u.nvme.rsp_pyld_len); ql_log(ql_log_warn, fcport->vha, 0x5100, "Unexpected response payload length %u.\n", iocb->u.nvme.rsp_pyld_len); } iocb->u.nvme.rsp_pyld_len = cpu_to_le16(sizeof(struct nvme_fc_ersp_iu)); } iter = le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >> 2; for (; iter; iter--) *outbuf++ = swab32(*inbuf++); } if (state_flags & SF_NVME_ERSP) { struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr; u32 tgt_xfer_len; tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len); if (fd->transferred_length != tgt_xfer_len) { ql_log(ql_log_warn, fcport->vha, 0x3079, "Dropped frame(s) detected (sent/rcvd=%u/%u).\n", tgt_xfer_len, fd->transferred_length); logit = 1; } else if (le16_to_cpu(comp_status) == CS_DATA_UNDERRUN) { /* * Do not log if this is just an underflow and there * is no data loss. */ logit = 0; } } if (unlikely(logit)) ql_dbg(ql_dbg_io, fcport->vha, 0x5060, "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", sp->name, sp->handle, comp_status, fd->transferred_length, le32_to_cpu(sts->residual_len), sts->ox_id); /* * If transport error then Failure (HBA rejects request) * otherwise transport will handle. */ switch (le16_to_cpu(comp_status)) { case CS_COMPLETE: break; case CS_RESET: case CS_PORT_UNAVAILABLE: case CS_PORT_LOGGED_OUT: fcport->nvme_flag |= NVME_FLAG_RESETTING; if (atomic_read(&fcport->state) == FCS_ONLINE) { ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, "Port to be marked lost on fcport=%06x, current " "port state= %s comp_status %x.\n", fcport->d_id.b24, port_state_str[FCS_ONLINE], comp_status); qlt_schedule_sess_for_deletion(fcport); } fallthrough; case CS_ABORTED: case CS_PORT_BUSY: fd->transferred_length = 0; iocb->u.nvme.rsp_pyld_len = 0; ret = QLA_ABORTED; break; case CS_DATA_UNDERRUN: break; default: ret = QLA_FUNCTION_FAILED; break; } sp->done(sp, ret); } static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, struct vp_ctrl_entry_24xx *vce) { const char func[] = "CTRLVP-IOCB"; srb_t *sp; int rval = QLA_SUCCESS; sp = qla2x00_get_sp_from_handle(vha, func, req, vce); if (!sp) return; if (vce->entry_status != 0) { ql_dbg(ql_dbg_vport, vha, 0x10c4, "%s: Failed to complete IOCB -- error status (%x)\n", sp->name, vce->entry_status); rval = QLA_FUNCTION_FAILED; } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { ql_dbg(ql_dbg_vport, vha, 0x10c5, "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", sp->name, le16_to_cpu(vce->comp_status), le16_to_cpu(vce->vp_idx_failed)); rval = QLA_FUNCTION_FAILED; } else { ql_dbg(ql_dbg_vport, vha, 0x10c6, "Done %s.\n", __func__); } sp->rc = rval; sp->done(sp, rval); } /* Process a single response queue entry. */ static void qla2x00_process_response_entry(struct scsi_qla_host *vha, struct rsp_que *rsp, sts_entry_t *pkt) { sts21_entry_t *sts21_entry; sts22_entry_t *sts22_entry; uint16_t handle_cnt; uint16_t cnt; switch (pkt->entry_type) { case STATUS_TYPE: qla2x00_status_entry(vha, rsp, pkt); break; case STATUS_TYPE_21: sts21_entry = (sts21_entry_t *)pkt; handle_cnt = sts21_entry->handle_count; for (cnt = 0; cnt < handle_cnt; cnt++) qla2x00_process_completed_request(vha, rsp->req, sts21_entry->handle[cnt]); break; case STATUS_TYPE_22: sts22_entry = (sts22_entry_t *)pkt; handle_cnt = sts22_entry->handle_count; for (cnt = 0; cnt < handle_cnt; cnt++) qla2x00_process_completed_request(vha, rsp->req, sts22_entry->handle[cnt]); break; case STATUS_CONT_TYPE: qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); break; case MBX_IOCB_TYPE: qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt); break; case CT_IOCB_TYPE: qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); break; default: /* Type Not Supported. */ ql_log(ql_log_warn, vha, 0x504a, "Received unknown response pkt type %x entry status=%x.\n", pkt->entry_type, pkt->entry_status); break; } } /** * qla2x00_process_response_queue() - Process response queue entries. * @rsp: response queue */ void qla2x00_process_response_queue(struct rsp_que *rsp) { struct scsi_qla_host *vha; struct qla_hw_data *ha = rsp->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; sts_entry_t *pkt; vha = pci_get_drvdata(ha->pdev); if (!vha->flags.online) return; while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { pkt = (sts_entry_t *)rsp->ring_ptr; rsp->ring_index++; if (rsp->ring_index == rsp->length) { rsp->ring_index = 0; rsp->ring_ptr = rsp->ring; } else { rsp->ring_ptr++; } if (pkt->entry_status != 0) { qla2x00_error_entry(vha, rsp, pkt); ((response_t *)pkt)->signature = RESPONSE_PROCESSED; wmb(); continue; } qla2x00_process_response_entry(vha, rsp, pkt); ((response_t *)pkt)->signature = RESPONSE_PROCESSED; wmb(); } /* Adjust ring index */ wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); } static inline void qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, uint32_t sense_len, struct rsp_que *rsp, int res) { struct scsi_qla_host *vha = sp->vha; struct scsi_cmnd *cp = GET_CMD_SP(sp); uint32_t track_sense_len; if (sense_len >= SCSI_SENSE_BUFFERSIZE) sense_len = SCSI_SENSE_BUFFERSIZE; SET_CMD_SENSE_LEN(sp, sense_len); SET_CMD_SENSE_PTR(sp, cp->sense_buffer); track_sense_len = sense_len; if (sense_len > par_sense_len) sense_len = par_sense_len; memcpy(cp->sense_buffer, sense_data, sense_len); SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); track_sense_len -= sense_len; SET_CMD_SENSE_LEN(sp, track_sense_len); if (track_sense_len != 0) { rsp->status_srb = sp; cp->result = res; } if (sense_len) { ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", sp->vha->host_no, cp->device->id, cp->device->lun, cp); ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, cp->sense_buffer, sense_len); } } struct scsi_dif_tuple { __be16 guard; /* Checksum */ __be16 app_tag; /* APPL identifier */ __be32 ref_tag; /* Target LBA or indirect LBA */ }; /* * Checks the guard or meta-data for the type of error * detected by the HBA. In case of errors, we set the * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST * to indicate to the kernel that the HBA detected error. */ static inline int qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) { struct scsi_qla_host *vha = sp->vha; struct scsi_cmnd *cmd = GET_CMD_SP(sp); uint8_t *ap = &sts24->data[12]; uint8_t *ep = &sts24->data[20]; uint32_t e_ref_tag, a_ref_tag; uint16_t e_app_tag, a_app_tag; uint16_t e_guard, a_guard; /* * swab32 of the "data" field in the beginning of qla2x00_status_entry() * would make guard field appear at offset 2 */ a_guard = get_unaligned_le16(ap + 2); a_app_tag = get_unaligned_le16(ap + 0); a_ref_tag = get_unaligned_le32(ap + 4); e_guard = get_unaligned_le16(ep + 2); e_app_tag = get_unaligned_le16(ep + 0); e_ref_tag = get_unaligned_le32(ep + 4); ql_dbg(ql_dbg_io, vha, 0x3023, "iocb(s) %p Returned STATUS.\n", sts24); ql_dbg(ql_dbg_io, vha, 0x3024, "DIF ERROR in cmd 0x%x lba 0x%llx act ref" " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, a_app_tag, e_app_tag, a_guard, e_guard); /* * Ignore sector if: * For type 3: ref & app tag is all 'f's * For type 0,1,2: app tag is all 'f's */ if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) && (scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 || a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) { uint32_t blocks_done, resid; sector_t lba_s = scsi_get_lba(cmd); /* 2TB boundary case covered automatically with this */ blocks_done = e_ref_tag - (uint32_t)lba_s + 1; resid = scsi_bufflen(cmd) - (blocks_done * cmd->device->sector_size); scsi_set_resid(cmd, resid); cmd->result = DID_OK << 16; /* Update protection tag */ if (scsi_prot_sg_count(cmd)) { uint32_t i, j = 0, k = 0, num_ent; struct scatterlist *sg; struct t10_pi_tuple *spt; /* Patch the corresponding protection tags */ scsi_for_each_prot_sg(cmd, sg, scsi_prot_sg_count(cmd), i) { num_ent = sg_dma_len(sg) / 8; if (k + num_ent < blocks_done) { k += num_ent; continue; } j = blocks_done - k - 1; k = blocks_done; break; } if (k != blocks_done) { ql_log(ql_log_warn, vha, 0x302f, "unexpected tag values tag:lba=%x:%llx)\n", e_ref_tag, (unsigned long long)lba_s); return 1; } spt = page_address(sg_page(sg)) + sg->offset; spt += j; spt->app_tag = T10_PI_APP_ESCAPE; if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) spt->ref_tag = T10_PI_REF_ESCAPE; } return 0; } /* check guard */ if (e_guard != a_guard) { scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1); set_host_byte(cmd, DID_ABORT); return 1; } /* check ref tag */ if (e_ref_tag != a_ref_tag) { scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3); set_host_byte(cmd, DID_ABORT); return 1; } /* check appl tag */ if (e_app_tag != a_app_tag) { scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2); set_host_byte(cmd, DID_ABORT); return 1; } return 1; } static void qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, struct req_que *req, uint32_t index) { struct qla_hw_data *ha = vha->hw; srb_t *sp; uint16_t comp_status; uint16_t scsi_status; uint16_t thread_id; uint32_t rval = EXT_STATUS_OK; struct bsg_job *bsg_job = NULL; struct fc_bsg_request *bsg_request; struct fc_bsg_reply *bsg_reply; sts_entry_t *sts = pkt; struct sts_entry_24xx *sts24 = pkt; /* Validate handle. */ if (index >= req->num_outstanding_cmds) { ql_log(ql_log_warn, vha, 0x70af, "Invalid SCSI completion handle 0x%x.\n", index); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); return; } sp = req->outstanding_cmds[index]; if (!sp) { ql_log(ql_log_warn, vha, 0x70b0, "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", req->id, index); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); return; } /* Free outstanding command slot. */ req->outstanding_cmds[index] = NULL; bsg_job = sp->u.bsg_job; bsg_request = bsg_job->request; bsg_reply = bsg_job->reply; if (IS_FWI2_CAPABLE(ha)) { comp_status = le16_to_cpu(sts24->comp_status); scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; } else { comp_status = le16_to_cpu(sts->comp_status); scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; } thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; switch (comp_status) { case CS_COMPLETE: if (scsi_status == 0) { bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; vha->qla_stats.input_bytes += bsg_reply->reply_payload_rcv_len; vha->qla_stats.input_requests++; rval = EXT_STATUS_OK; } goto done; case CS_DATA_OVERRUN: ql_dbg(ql_dbg_user, vha, 0x70b1, "Command completed with data overrun thread_id=%d\n", thread_id); rval = EXT_STATUS_DATA_OVERRUN; break; case CS_DATA_UNDERRUN: ql_dbg(ql_dbg_user, vha, 0x70b2, "Command completed with data underrun thread_id=%d\n", thread_id); rval = EXT_STATUS_DATA_UNDERRUN; break; case CS_BIDIR_RD_OVERRUN: ql_dbg(ql_dbg_user, vha, 0x70b3, "Command completed with read data overrun thread_id=%d\n", thread_id); rval = EXT_STATUS_DATA_OVERRUN; break; case CS_BIDIR_RD_WR_OVERRUN: ql_dbg(ql_dbg_user, vha, 0x70b4, "Command completed with read and write data overrun " "thread_id=%d\n", thread_id); rval = EXT_STATUS_DATA_OVERRUN; break; case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: ql_dbg(ql_dbg_user, vha, 0x70b5, "Command completed with read data over and write data " "underrun thread_id=%d\n", thread_id); rval = EXT_STATUS_DATA_OVERRUN; break; case CS_BIDIR_RD_UNDERRUN: ql_dbg(ql_dbg_user, vha, 0x70b6, "Command completed with read data underrun " "thread_id=%d\n", thread_id); rval = EXT_STATUS_DATA_UNDERRUN; break; case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: ql_dbg(ql_dbg_user, vha, 0x70b7, "Command completed with read data under and write data " "overrun thread_id=%d\n", thread_id); rval = EXT_STATUS_DATA_UNDERRUN; break; case CS_BIDIR_RD_WR_UNDERRUN: ql_dbg(ql_dbg_user, vha, 0x70b8, "Command completed with read and write data underrun " "thread_id=%d\n", thread_id); rval = EXT_STATUS_DATA_UNDERRUN; break; case CS_BIDIR_DMA: ql_dbg(ql_dbg_user, vha, 0x70b9, "Command completed with data DMA error thread_id=%d\n", thread_id); rval = EXT_STATUS_DMA_ERR; break; case CS_TIMEOUT: ql_dbg(ql_dbg_user, vha, 0x70ba, "Command completed with timeout thread_id=%d\n", thread_id); rval = EXT_STATUS_TIMEOUT; break; default: ql_dbg(ql_dbg_user, vha, 0x70bb, "Command completed with completion status=0x%x " "thread_id=%d\n", comp_status, thread_id); rval = EXT_STATUS_ERR; break; } bsg_reply->reply_payload_rcv_len = 0; done: /* Return the vendor specific reply to API */ bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; bsg_job->reply_len = sizeof(struct fc_bsg_reply); /* Always return DID_OK, bsg will send the vendor specific response * in this case only */ sp->done(sp, DID_OK << 16); } /** * qla2x00_status_entry() - Process a Status IOCB entry. * @vha: SCSI driver HA context * @rsp: response queue * @pkt: Entry pointer */ static void qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) { srb_t *sp; fc_port_t *fcport; struct scsi_cmnd *cp; sts_entry_t *sts = pkt; struct sts_entry_24xx *sts24 = pkt; uint16_t comp_status; uint16_t scsi_status; uint16_t ox_id; uint8_t lscsi_status; int32_t resid; uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, fw_resid_len; uint8_t *rsp_info, *sense_data; struct qla_hw_data *ha = vha->hw; uint32_t handle; uint16_t que; struct req_que *req; int logit = 1; int res = 0; uint16_t state_flags = 0; uint16_t sts_qual = 0; if (IS_FWI2_CAPABLE(ha)) { comp_status = le16_to_cpu(sts24->comp_status); scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; state_flags = le16_to_cpu(sts24->state_flags); } else { comp_status = le16_to_cpu(sts->comp_status); scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; } handle = (uint32_t) LSW(sts->handle); que = MSW(sts->handle); req = ha->req_q_map[que]; /* Check for invalid queue pointer */ if (req == NULL || que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { ql_dbg(ql_dbg_io, vha, 0x3059, "Invalid status handle (0x%x): Bad req pointer. req=%p, " "que=%u.\n", sts->handle, req, que); return; } /* Validate handle. */ if (handle < req->num_outstanding_cmds) { sp = req->outstanding_cmds[handle]; if (!sp) { ql_dbg(ql_dbg_io, vha, 0x3075, "%s(%ld): Already returned command for status handle (0x%x).\n", __func__, vha->host_no, sts->handle); return; } } else { ql_dbg(ql_dbg_io, vha, 0x3017, "Invalid status handle, out of range (0x%x).\n", sts->handle); if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { if (IS_P3P_TYPE(ha)) set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); } return; } qla_put_fw_resources(sp->qpair, &sp->iores); if (sp->cmd_type != TYPE_SRB) { req->outstanding_cmds[handle] = NULL; ql_dbg(ql_dbg_io, vha, 0x3015, "Unknown sp->cmd_type %x %p).\n", sp->cmd_type, sp); return; } /* NVME completion. */ if (sp->type == SRB_NVME_CMD) { req->outstanding_cmds[handle] = NULL; qla24xx_nvme_iocb_entry(vha, req, pkt, sp); return; } if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); return; } /* Task Management completion. */ if (sp->type == SRB_TM_CMD) { qla24xx_tm_iocb_entry(vha, req, pkt); return; } /* Fast path completion. */ qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24); sp->qpair->cmd_completion_cnt++; if (comp_status == CS_COMPLETE && scsi_status == 0) { qla2x00_process_completed_request(vha, req, handle); return; } cp = GET_CMD_SP(sp); if (cp == NULL) { ql_dbg(ql_dbg_io, vha, 0x3018, "Command already returned (0x%x/%p).\n", sts->handle, sp); req->outstanding_cmds[handle] = NULL; return; } lscsi_status = scsi_status & STATUS_MASK; fcport = sp->fcport; ox_id = 0; sense_len = par_sense_len = rsp_info_len = resid_len = fw_resid_len = 0; if (IS_FWI2_CAPABLE(ha)) { if (scsi_status & SS_SENSE_LEN_VALID) sense_len = le32_to_cpu(sts24->sense_len); if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) rsp_info_len = le32_to_cpu(sts24->rsp_data_len); if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) resid_len = le32_to_cpu(sts24->rsp_residual_count); if (comp_status == CS_DATA_UNDERRUN) fw_resid_len = le32_to_cpu(sts24->residual_len); rsp_info = sts24->data; sense_data = sts24->data; host_to_fcp_swap(sts24->data, sizeof(sts24->data)); ox_id = le16_to_cpu(sts24->ox_id); par_sense_len = sizeof(sts24->data); sts_qual = le16_to_cpu(sts24->status_qualifier); } else { if (scsi_status & SS_SENSE_LEN_VALID) sense_len = le16_to_cpu(sts->req_sense_length); if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) rsp_info_len = le16_to_cpu(sts->rsp_info_len); resid_len = le32_to_cpu(sts->residual_length); rsp_info = sts->rsp_info; sense_data = sts->req_sense_data; par_sense_len = sizeof(sts->req_sense_data); } /* Check for any FCP transport errors. */ if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { /* Sense data lies beyond any FCP RESPONSE data. */ if (IS_FWI2_CAPABLE(ha)) { sense_data += rsp_info_len; par_sense_len -= rsp_info_len; } if (rsp_info_len > 3 && rsp_info[3]) { ql_dbg(ql_dbg_io, fcport->vha, 0x3019, "FCP I/O protocol failure (0x%x/0x%x).\n", rsp_info_len, rsp_info[3]); res = DID_BUS_BUSY << 16; goto out; } } /* Check for overrun. */ if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && scsi_status & SS_RESIDUAL_OVER) comp_status = CS_DATA_OVERRUN; /* * Check retry_delay_timer value if we receive a busy or * queue full. */ if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL || lscsi_status == SAM_STAT_BUSY)) qla2x00_set_retry_delay_timestamp(fcport, sts_qual); /* * Based on Host and scsi status generate status code for Linux */ switch (comp_status) { case CS_COMPLETE: case CS_QUEUE_FULL: if (scsi_status == 0) { res = DID_OK << 16; break; } if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { resid = resid_len; scsi_set_resid(cp, resid); if (!lscsi_status && ((unsigned)(scsi_bufflen(cp) - resid) < cp->underflow)) { ql_dbg(ql_dbg_io, fcport->vha, 0x301a, "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", resid, scsi_bufflen(cp)); res = DID_ERROR << 16; break; } } res = DID_OK << 16 | lscsi_status; if (lscsi_status == SAM_STAT_TASK_SET_FULL) { ql_dbg(ql_dbg_io, fcport->vha, 0x301b, "QUEUE FULL detected.\n"); break; } logit = 0; if (lscsi_status != SS_CHECK_CONDITION) break; memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); if (!(scsi_status & SS_SENSE_LEN_VALID)) break; qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, rsp, res); break; case CS_DATA_UNDERRUN: /* Use F/W calculated residual length. */ resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; scsi_set_resid(cp, resid); if (scsi_status & SS_RESIDUAL_UNDER) { if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { ql_log(ql_log_warn, fcport->vha, 0x301d, "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", resid, scsi_bufflen(cp)); res = DID_ERROR << 16 | lscsi_status; goto check_scsi_status; } if (!lscsi_status && ((unsigned)(scsi_bufflen(cp) - resid) < cp->underflow)) { ql_dbg(ql_dbg_io, fcport->vha, 0x301e, "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", resid, scsi_bufflen(cp)); res = DID_ERROR << 16; break; } } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && lscsi_status != SAM_STAT_BUSY) { /* * scsi status of task set and busy are considered to be * task not completed. */ ql_log(ql_log_warn, fcport->vha, 0x301f, "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", resid, scsi_bufflen(cp)); vha->interface_err_cnt++; res = DID_ERROR << 16 | lscsi_status; goto check_scsi_status; } else { ql_dbg(ql_dbg_io, fcport->vha, 0x3030, "scsi_status: 0x%x, lscsi_status: 0x%x\n", scsi_status, lscsi_status); } res = DID_OK << 16 | lscsi_status; logit = 0; check_scsi_status: /* * Check to see if SCSI Status is non zero. If so report SCSI * Status. */ if (lscsi_status != 0) { if (lscsi_status == SAM_STAT_TASK_SET_FULL) { ql_dbg(ql_dbg_io, fcport->vha, 0x3020, "QUEUE FULL detected.\n"); logit = 1; break; } if (lscsi_status != SS_CHECK_CONDITION) break; memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); if (!(scsi_status & SS_SENSE_LEN_VALID)) break; qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, rsp, res); } break; case CS_PORT_LOGGED_OUT: case CS_PORT_CONFIG_CHG: case CS_PORT_BUSY: case CS_INCOMPLETE: case CS_PORT_UNAVAILABLE: case CS_TIMEOUT: case CS_RESET: case CS_EDIF_INV_REQ: /* * We are going to have the fc class block the rport * while we try to recover so instruct the mid layer * to requeue until the class decides how to handle this. */ res = DID_TRANSPORT_DISRUPTED << 16; if (comp_status == CS_TIMEOUT) { if (IS_FWI2_CAPABLE(ha)) break; else if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT) == 0) break; } if (atomic_read(&fcport->state) == FCS_ONLINE) { ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, "Port to be marked lost on fcport=%02x%02x%02x, current " "port state= %s comp_status %x.\n", fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, port_state_str[FCS_ONLINE], comp_status); qlt_schedule_sess_for_deletion(fcport); } break; case CS_ABORTED: res = DID_RESET << 16; break; case CS_DIF_ERROR: logit = qla2x00_handle_dif_error(sp, sts24); res = cp->result; break; case CS_TRANSPORT: res = DID_ERROR << 16; vha->hw_err_cnt++; if (!IS_PI_SPLIT_DET_CAPABLE(ha)) break; if (state_flags & BIT_4) scmd_printk(KERN_WARNING, cp, "Unsupported device '%s' found.\n", cp->device->vendor); break; case CS_DMA: ql_log(ql_log_info, fcport->vha, 0x3022, "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", comp_status, scsi_status, res, vha->host_no, cp->device->id, cp->device->lun, fcport->d_id.b24, ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, resid_len, fw_resid_len, sp, cp); ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, pkt, sizeof(*sts24)); res = DID_ERROR << 16; vha->hw_err_cnt++; break; default: res = DID_ERROR << 16; break; } out: if (logit) ql_dbg(ql_dbg_io, fcport->vha, 0x3022, "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", comp_status, scsi_status, res, vha->host_no, cp->device->id, cp->device->lun, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, resid_len, fw_resid_len, sp, cp); if (rsp->status_srb == NULL) sp->done(sp, res); /* for io's, clearing of outstanding_cmds[handle] means scsi_done was called */ req->outstanding_cmds[handle] = NULL; } /** * qla2x00_status_cont_entry() - Process a Status Continuations entry. * @rsp: response queue * @pkt: Entry pointer * * Extended sense data. */ static void qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) { uint8_t sense_sz = 0; struct qla_hw_data *ha = rsp->hw; struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); srb_t *sp = rsp->status_srb; struct scsi_cmnd *cp; uint32_t sense_len; uint8_t *sense_ptr; if (!sp || !GET_CMD_SENSE_LEN(sp)) return; sense_len = GET_CMD_SENSE_LEN(sp); sense_ptr = GET_CMD_SENSE_PTR(sp); cp = GET_CMD_SP(sp); if (cp == NULL) { ql_log(ql_log_warn, vha, 0x3025, "cmd is NULL: already returned to OS (sp=%p).\n", sp); rsp->status_srb = NULL; return; } if (sense_len > sizeof(pkt->data)) sense_sz = sizeof(pkt->data); else sense_sz = sense_len; /* Move sense data. */ if (IS_FWI2_CAPABLE(ha)) host_to_fcp_swap(pkt->data, sizeof(pkt->data)); memcpy(sense_ptr, pkt->data, sense_sz); ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, sense_ptr, sense_sz); sense_len -= sense_sz; sense_ptr += sense_sz; SET_CMD_SENSE_PTR(sp, sense_ptr); SET_CMD_SENSE_LEN(sp, sense_len); /* Place command on done queue. */ if (sense_len == 0) { rsp->status_srb = NULL; sp->done(sp, cp->result); } } /** * qla2x00_error_entry() - Process an error entry. * @vha: SCSI driver HA context * @rsp: response queue * @pkt: Entry pointer * return : 1=allow further error analysis. 0=no additional error analysis. */ static int qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) { srb_t *sp; struct qla_hw_data *ha = vha->hw; const char func[] = "ERROR-IOCB"; uint16_t que = MSW(pkt->handle); struct req_que *req = NULL; int res = DID_ERROR << 16; u16 index; ql_dbg(ql_dbg_async, vha, 0x502a, "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); if (que >= ha->max_req_queues || !ha->req_q_map[que]) goto fatal; req = ha->req_q_map[que]; if (pkt->entry_status & RF_BUSY) res = DID_BUS_BUSY << 16; if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) return 0; switch (pkt->entry_type) { case NOTIFY_ACK_TYPE: case STATUS_CONT_TYPE: case LOGINOUT_PORT_IOCB_TYPE: case CT_IOCB_TYPE: case ELS_IOCB_TYPE: case ABORT_IOCB_TYPE: case MBX_IOCB_TYPE: default: sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (sp) { sp->done(sp, res); return 0; } break; case SA_UPDATE_IOCB_TYPE: case ABTS_RESP_24XX: case CTIO_TYPE7: case CTIO_CRC2: return 1; case STATUS_TYPE: sp = qla_get_sp_from_handle(vha, func, req, pkt, &index); if (sp) { sp->done(sp, res); req->outstanding_cmds[index] = NULL; return 0; } break; } fatal: ql_log(ql_log_warn, vha, 0x5030, "Error entry - invalid handle/queue (%04x).\n", que); return 0; } /** * qla24xx_mbx_completion() - Process mailbox command completions. * @vha: SCSI driver HA context * @mb0: Mailbox0 register */ static void qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) { uint16_t cnt; uint32_t mboxes; __le16 __iomem *wptr; struct qla_hw_data *ha = vha->hw; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; /* Read all mbox registers? */ WARN_ON_ONCE(ha->mbx_count > 32); mboxes = (1ULL << ha->mbx_count) - 1; if (!ha->mcp) ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); else mboxes = ha->mcp->in_mb; /* Load return mailbox registers. */ ha->flags.mbox_int = 1; ha->mailbox_out[0] = mb0; mboxes >>= 1; wptr = ®->mailbox1; for (cnt = 1; cnt < ha->mbx_count; cnt++) { if (mboxes & BIT_0) ha->mailbox_out[cnt] = rd_reg_word(wptr); mboxes >>= 1; wptr++; } } static void qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct abort_entry_24xx *pkt) { const char func[] = "ABT_IOCB"; srb_t *sp; srb_t *orig_sp = NULL; struct srb_iocb *abt; sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (!sp) return; abt = &sp->u.iocb_cmd; abt->u.abt.comp_status = pkt->comp_status; orig_sp = sp->cmd_sp; /* Need to pass original sp */ if (orig_sp) qla_nvme_abort_process_comp_status(pkt, orig_sp); sp->done(sp, 0); } void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, struct pt_ls4_request *pkt, struct req_que *req) { srb_t *sp; const char func[] = "LS4_IOCB"; uint16_t comp_status; sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (!sp) return; comp_status = le16_to_cpu(pkt->status); sp->done(sp, comp_status); } /** * qla_chk_cont_iocb_avail - check for all continuation iocbs are available * before iocb processing can start. * @vha: host adapter pointer * @rsp: respond queue * @pkt: head iocb describing how many continuation iocb * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived. */ static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha, struct rsp_que *rsp, response_t *pkt, u32 rsp_q_in) { int start_pkt_ring_index; u32 iocb_cnt = 0; int rc = 0; if (pkt->entry_count == 1) return rc; /* ring_index was pre-increment. set it back to current pkt */ if (rsp->ring_index == 0) start_pkt_ring_index = rsp->length - 1; else start_pkt_ring_index = rsp->ring_index - 1; if (rsp_q_in < start_pkt_ring_index) /* q in ptr is wrapped */ iocb_cnt = rsp->length - start_pkt_ring_index + rsp_q_in; else iocb_cnt = rsp_q_in - start_pkt_ring_index; if (iocb_cnt < pkt->entry_count) rc = -EIO; ql_dbg(ql_dbg_init, vha, 0x5091, "%s - ring %p pkt %p entry count %d iocb_cnt %d rsp_q_in %d rc %d\n", __func__, rsp->ring, pkt, pkt->entry_count, iocb_cnt, rsp_q_in, rc); return rc; } static void qla_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct mrk_entry_24xx *pkt) { const char func[] = "MRK-IOCB"; srb_t *sp; int res = QLA_SUCCESS; if (!IS_FWI2_CAPABLE(vha->hw)) return; sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (!sp) return; if (pkt->entry_status) { ql_dbg(ql_dbg_taskm, vha, 0x8025, "marker failure.\n"); res = QLA_COMMAND_ERROR; } sp->u.iocb_cmd.u.tmf.data = res; sp->done(sp, res); } /** * qla24xx_process_response_queue() - Process response queue entries. * @vha: SCSI driver HA context * @rsp: response queue */ void qla24xx_process_response_queue(struct scsi_qla_host *vha, struct rsp_que *rsp) { struct sts_entry_24xx *pkt; struct qla_hw_data *ha = vha->hw; struct purex_entry_24xx *purex_entry; struct purex_item *pure_item; u16 rsp_in = 0, cur_ring_index; int is_shadow_hba; if (!ha->flags.fw_started) return; if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) { rsp->qpair->rcv_intr = 1; if (!rsp->qpair->cpu_mapped) qla_cpu_update(rsp->qpair, raw_smp_processor_id()); } #define __update_rsp_in(_is_shadow_hba, _rsp, _rsp_in) \ do { \ _rsp_in = _is_shadow_hba ? *(_rsp)->in_ptr : \ rd_reg_dword_relaxed((_rsp)->rsp_q_in); \ } while (0) is_shadow_hba = IS_SHADOW_REG_CAPABLE(ha); __update_rsp_in(is_shadow_hba, rsp, rsp_in); while (rsp->ring_index != rsp_in && rsp->ring_ptr->signature != RESPONSE_PROCESSED) { pkt = (struct sts_entry_24xx *)rsp->ring_ptr; cur_ring_index = rsp->ring_index; rsp->ring_index++; if (rsp->ring_index == rsp->length) { rsp->ring_index = 0; rsp->ring_ptr = rsp->ring; } else { rsp->ring_ptr++; } if (pkt->entry_status != 0) { if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) goto process_err; ((response_t *)pkt)->signature = RESPONSE_PROCESSED; wmb(); continue; } process_err: switch (pkt->entry_type) { case STATUS_TYPE: qla2x00_status_entry(vha, rsp, pkt); break; case STATUS_CONT_TYPE: qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); break; case VP_RPT_ID_IOCB_TYPE: qla24xx_report_id_acquisition(vha, (struct vp_rpt_id_entry_24xx *)pkt); break; case LOGINOUT_PORT_IOCB_TYPE: qla24xx_logio_entry(vha, rsp->req, (struct logio_entry_24xx *)pkt); break; case CT_IOCB_TYPE: qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); break; case ELS_IOCB_TYPE: qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); break; case ABTS_RECV_24XX: if (qla_ini_mode_enabled(vha)) { pure_item = qla24xx_copy_std_pkt(vha, pkt); if (!pure_item) break; qla24xx_queue_purex_item(vha, pure_item, qla24xx_process_abts); break; } if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { /* ensure that the ATIO queue is empty */ qlt_handle_abts_recv(vha, rsp, (response_t *)pkt); break; } else { qlt_24xx_process_atio_queue(vha, 1); } fallthrough; case ABTS_RESP_24XX: case CTIO_TYPE7: case CTIO_CRC2: qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); break; case PT_LS4_REQUEST: qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, rsp->req); break; case NOTIFY_ACK_TYPE: if (pkt->handle == QLA_TGT_SKIP_HANDLE) qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); else qla24xxx_nack_iocb_entry(vha, rsp->req, (struct nack_to_isp *)pkt); break; case MARKER_TYPE: qla_marker_iocb_entry(vha, rsp->req, (struct mrk_entry_24xx *)pkt); break; case ABORT_IOCB_TYPE: qla24xx_abort_iocb_entry(vha, rsp->req, (struct abort_entry_24xx *)pkt); break; case MBX_IOCB_TYPE: qla24xx_mbx_iocb_entry(vha, rsp->req, (struct mbx_24xx_entry *)pkt); break; case VP_CTRL_IOCB_TYPE: qla_ctrlvp_completed(vha, rsp->req, (struct vp_ctrl_entry_24xx *)pkt); break; case PUREX_IOCB_TYPE: purex_entry = (void *)pkt; switch (purex_entry->els_frame_payload[3]) { case ELS_RDP: pure_item = qla24xx_copy_std_pkt(vha, pkt); if (!pure_item) break; qla24xx_queue_purex_item(vha, pure_item, qla24xx_process_purex_rdp); break; case ELS_FPIN: if (!vha->hw->flags.scm_enabled) { ql_log(ql_log_warn, vha, 0x5094, "SCM not active for this port\n"); break; } pure_item = qla27xx_copy_fpin_pkt(vha, (void **)&pkt, &rsp); __update_rsp_in(is_shadow_hba, rsp, rsp_in); if (!pure_item) break; qla24xx_queue_purex_item(vha, pure_item, qla27xx_process_purex_fpin); break; case ELS_AUTH_ELS: if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt, rsp_in)) { /* * ring_ptr and ring_index were * pre-incremented above. Reset them * back to current. Wait for next * interrupt with all IOCBs to arrive * and re-process. */ rsp->ring_ptr = (response_t *)pkt; rsp->ring_index = cur_ring_index; ql_dbg(ql_dbg_init, vha, 0x5091, "Defer processing ELS opcode %#x...\n", purex_entry->els_frame_payload[3]); return; } qla24xx_auth_els(vha, (void **)&pkt, &rsp); break; default: ql_log(ql_log_warn, vha, 0x509c, "Discarding ELS Request opcode 0x%x\n", purex_entry->els_frame_payload[3]); } break; case SA_UPDATE_IOCB_TYPE: qla28xx_sa_update_iocb_entry(vha, rsp->req, (struct sa_update_28xx *)pkt); break; default: /* Type Not Supported. */ ql_dbg(ql_dbg_async, vha, 0x5042, "Received unknown response pkt type 0x%x entry status=%x.\n", pkt->entry_type, pkt->entry_status); break; } ((response_t *)pkt)->signature = RESPONSE_PROCESSED; wmb(); } /* Adjust ring index */ if (IS_P3P_TYPE(ha)) { struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; wrt_reg_dword(®->rsp_q_out[0], rsp->ring_index); } else { wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index); } } static void qla2xxx_check_risc_status(scsi_qla_host_t *vha) { int rval; uint32_t cnt; struct qla_hw_data *ha = vha->hw; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) return; rval = QLA_SUCCESS; wrt_reg_dword(®->iobase_addr, 0x7C00); rd_reg_dword(®->iobase_addr); wrt_reg_dword(®->iobase_window, 0x0001); for (cnt = 10000; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && rval == QLA_SUCCESS; cnt--) { if (cnt) { wrt_reg_dword(®->iobase_window, 0x0001); udelay(10); } else rval = QLA_FUNCTION_TIMEOUT; } if (rval == QLA_SUCCESS) goto next_test; rval = QLA_SUCCESS; wrt_reg_dword(®->iobase_window, 0x0003); for (cnt = 100; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 && rval == QLA_SUCCESS; cnt--) { if (cnt) { wrt_reg_dword(®->iobase_window, 0x0003); udelay(10); } else rval = QLA_FUNCTION_TIMEOUT; } if (rval != QLA_SUCCESS) goto done; next_test: if (rd_reg_dword(®->iobase_c8) & BIT_3) ql_log(ql_log_info, vha, 0x504c, "Additional code -- 0x55AA.\n"); done: wrt_reg_dword(®->iobase_window, 0x0000); rd_reg_dword(®->iobase_window); } /** * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. * @irq: interrupt number * @dev_id: SCSI driver HA context * * Called by system whenever the host adapter generates an interrupt. * * Returns handled flag. */ irqreturn_t qla24xx_intr_handler(int irq, void *dev_id) { scsi_qla_host_t *vha; struct qla_hw_data *ha; struct device_reg_24xx __iomem *reg; int status; unsigned long iter; uint32_t stat; uint32_t hccr; uint16_t mb[8]; struct rsp_que *rsp; unsigned long flags; bool process_atio = false; rsp = (struct rsp_que *) dev_id; if (!rsp) { ql_log(ql_log_info, NULL, 0x5059, "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; reg = &ha->iobase->isp24; status = 0; if (unlikely(pci_channel_offline(ha->pdev))) return IRQ_HANDLED; spin_lock_irqsave(&ha->hardware_lock, flags); vha = pci_get_drvdata(ha->pdev); for (iter = 50; iter--; ) { stat = rd_reg_dword(®->host_status); if (qla2x00_check_reg32_for_disconnect(vha, stat)) break; if (stat & HSRX_RISC_PAUSED) { if (unlikely(pci_channel_offline(ha->pdev))) break; hccr = rd_reg_dword(®->hccr); ql_log(ql_log_warn, vha, 0x504b, "RISC paused -- HCCR=%x, Dumping firmware.\n", hccr); qla2xxx_check_risc_status(vha); ha->isp_ops->fw_dump(vha); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; } else if ((stat & HSRX_RISC_INT) == 0) break; switch (stat & 0xff) { case INTR_ROM_MB_SUCCESS: case INTR_ROM_MB_FAILED: case INTR_MB_SUCCESS: case INTR_MB_FAILED: qla24xx_mbx_completion(vha, MSW(stat)); status |= MBX_INTERRUPT; break; case INTR_ASYNC_EVENT: mb[0] = MSW(stat); mb[1] = rd_reg_word(®->mailbox1); mb[2] = rd_reg_word(®->mailbox2); mb[3] = rd_reg_word(®->mailbox3); qla2x00_async_event(vha, rsp, mb); break; case INTR_RSP_QUE_UPDATE: case INTR_RSP_QUE_UPDATE_83XX: qla24xx_process_response_queue(vha, rsp); break; case INTR_ATIO_QUE_UPDATE_27XX: case INTR_ATIO_QUE_UPDATE: process_atio = true; break; case INTR_ATIO_RSP_QUE_UPDATE: process_atio = true; qla24xx_process_response_queue(vha, rsp); break; default: ql_dbg(ql_dbg_async, vha, 0x504f, "Unrecognized interrupt type (%d).\n", stat * 0xff); break; } wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); rd_reg_dword_relaxed(®->hccr); if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) ndelay(3500); } qla2x00_handle_mbx_completion(ha, status); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (process_atio) { spin_lock_irqsave(&ha->tgt.atio_lock, flags); qlt_24xx_process_atio_queue(vha, 0); spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); } return IRQ_HANDLED; } static irqreturn_t qla24xx_msix_rsp_q(int irq, void *dev_id) { struct qla_hw_data *ha; struct rsp_que *rsp; struct device_reg_24xx __iomem *reg; struct scsi_qla_host *vha; unsigned long flags; rsp = (struct rsp_que *) dev_id; if (!rsp) { ql_log(ql_log_info, NULL, 0x505a, "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; reg = &ha->iobase->isp24; spin_lock_irqsave(&ha->hardware_lock, flags); vha = pci_get_drvdata(ha->pdev); qla24xx_process_response_queue(vha, rsp); if (!ha->flags.disable_msix_handshake) { wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); rd_reg_dword_relaxed(®->hccr); } spin_unlock_irqrestore(&ha->hardware_lock, flags); return IRQ_HANDLED; } static irqreturn_t qla24xx_msix_default(int irq, void *dev_id) { scsi_qla_host_t *vha; struct qla_hw_data *ha; struct rsp_que *rsp; struct device_reg_24xx __iomem *reg; int status; uint32_t stat; uint32_t hccr; uint16_t mb[8]; unsigned long flags; bool process_atio = false; rsp = (struct rsp_que *) dev_id; if (!rsp) { ql_log(ql_log_info, NULL, 0x505c, "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; reg = &ha->iobase->isp24; status = 0; spin_lock_irqsave(&ha->hardware_lock, flags); vha = pci_get_drvdata(ha->pdev); do { stat = rd_reg_dword(®->host_status); if (qla2x00_check_reg32_for_disconnect(vha, stat)) break; if (stat & HSRX_RISC_PAUSED) { if (unlikely(pci_channel_offline(ha->pdev))) break; hccr = rd_reg_dword(®->hccr); ql_log(ql_log_info, vha, 0x5050, "RISC paused -- HCCR=%x, Dumping firmware.\n", hccr); qla2xxx_check_risc_status(vha); vha->hw_err_cnt++; ha->isp_ops->fw_dump(vha); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; } else if ((stat & HSRX_RISC_INT) == 0) break; switch (stat & 0xff) { case INTR_ROM_MB_SUCCESS: case INTR_ROM_MB_FAILED: case INTR_MB_SUCCESS: case INTR_MB_FAILED: qla24xx_mbx_completion(vha, MSW(stat)); status |= MBX_INTERRUPT; break; case INTR_ASYNC_EVENT: mb[0] = MSW(stat); mb[1] = rd_reg_word(®->mailbox1); mb[2] = rd_reg_word(®->mailbox2); mb[3] = rd_reg_word(®->mailbox3); qla2x00_async_event(vha, rsp, mb); break; case INTR_RSP_QUE_UPDATE: case INTR_RSP_QUE_UPDATE_83XX: qla24xx_process_response_queue(vha, rsp); break; case INTR_ATIO_QUE_UPDATE_27XX: case INTR_ATIO_QUE_UPDATE: process_atio = true; break; case INTR_ATIO_RSP_QUE_UPDATE: process_atio = true; qla24xx_process_response_queue(vha, rsp); break; default: ql_dbg(ql_dbg_async, vha, 0x5051, "Unrecognized interrupt type (%d).\n", stat & 0xff); break; } wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); } while (0); qla2x00_handle_mbx_completion(ha, status); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (process_atio) { spin_lock_irqsave(&ha->tgt.atio_lock, flags); qlt_24xx_process_atio_queue(vha, 0); spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); } return IRQ_HANDLED; } irqreturn_t qla2xxx_msix_rsp_q(int irq, void *dev_id) { struct qla_hw_data *ha; struct qla_qpair *qpair; qpair = dev_id; if (!qpair) { ql_log(ql_log_info, NULL, 0x505b, "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = qpair->hw; queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); return IRQ_HANDLED; } irqreturn_t qla2xxx_msix_rsp_q_hs(int irq, void *dev_id) { struct qla_hw_data *ha; struct qla_qpair *qpair; struct device_reg_24xx __iomem *reg; unsigned long flags; qpair = dev_id; if (!qpair) { ql_log(ql_log_info, NULL, 0x505b, "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = qpair->hw; reg = &ha->iobase->isp24; spin_lock_irqsave(&ha->hardware_lock, flags); wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); spin_unlock_irqrestore(&ha->hardware_lock, flags); queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); return IRQ_HANDLED; } /* Interrupt handling helpers. */ struct qla_init_msix_entry { const char *name; irq_handler_t handler; }; static const struct qla_init_msix_entry msix_entries[] = { { "default", qla24xx_msix_default }, { "rsp_q", qla24xx_msix_rsp_q }, { "atio_q", qla83xx_msix_atio_q }, { "qpair_multiq", qla2xxx_msix_rsp_q }, { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs }, }; static const struct qla_init_msix_entry qla82xx_msix_entries[] = { { "qla2xxx (default)", qla82xx_msix_default }, { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, }; static int qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) { int i, ret; struct qla_msix_entry *qentry; scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); int min_vecs = QLA_BASE_VECTORS; struct irq_affinity desc = { .pre_vectors = QLA_BASE_VECTORS, }; if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && IS_ATIO_MSIX_CAPABLE(ha)) { desc.pre_vectors++; min_vecs++; } if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { /* user wants to control IRQ setting for target mode */ ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), PCI_IRQ_MSIX); } else ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)), PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, &desc); if (ret < 0) { ql_log(ql_log_fatal, vha, 0x00c7, "MSI-X: Failed to enable support, " "giving up -- %d/%d.\n", ha->msix_count, ret); goto msix_out; } else if (ret < ha->msix_count) { ql_log(ql_log_info, vha, 0x00c6, "MSI-X: Using %d vectors\n", ret); ha->msix_count = ret; /* Recalculate queue values */ if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { ha->max_req_queues = ha->msix_count - 1; /* ATIOQ needs 1 vector. That's 1 less QPair */ if (QLA_TGT_MODE_ENABLED()) ha->max_req_queues--; ha->max_rsp_queues = ha->max_req_queues; ha->max_qpairs = ha->max_req_queues - 1; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); } } vha->irq_offset = desc.pre_vectors; ha->msix_entries = kcalloc(ha->msix_count, sizeof(struct qla_msix_entry), GFP_KERNEL); if (!ha->msix_entries) { ql_log(ql_log_fatal, vha, 0x00c8, "Failed to allocate memory for ha->msix_entries.\n"); ret = -ENOMEM; goto free_irqs; } ha->flags.msix_enabled = 1; for (i = 0; i < ha->msix_count; i++) { qentry = &ha->msix_entries[i]; qentry->vector = pci_irq_vector(ha->pdev, i); qentry->vector_base0 = i; qentry->entry = i; qentry->have_irq = 0; qentry->in_use = 0; qentry->handle = NULL; } /* Enable MSI-X vectors for the base queue */ for (i = 0; i < QLA_BASE_VECTORS; i++) { qentry = &ha->msix_entries[i]; qentry->handle = rsp; rsp->msix = qentry; scnprintf(qentry->name, sizeof(qentry->name), "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); if (IS_P3P_TYPE(ha)) ret = request_irq(qentry->vector, qla82xx_msix_entries[i].handler, 0, qla82xx_msix_entries[i].name, rsp); else ret = request_irq(qentry->vector, msix_entries[i].handler, 0, qentry->name, rsp); if (ret) goto msix_register_fail; qentry->have_irq = 1; qentry->in_use = 1; } /* * If target mode is enable, also request the vector for the ATIO * queue. */ if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && IS_ATIO_MSIX_CAPABLE(ha)) { qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; rsp->msix = qentry; qentry->handle = rsp; scnprintf(qentry->name, sizeof(qentry->name), "qla2xxx%lu_%s", vha->host_no, msix_entries[QLA_ATIO_VECTOR].name); qentry->in_use = 1; ret = request_irq(qentry->vector, msix_entries[QLA_ATIO_VECTOR].handler, 0, qentry->name, rsp); qentry->have_irq = 1; } msix_register_fail: if (ret) { ql_log(ql_log_fatal, vha, 0x00cb, "MSI-X: unable to register handler -- %x/%d.\n", qentry->vector, ret); qla2x00_free_irqs(vha); ha->mqenable = 0; goto msix_out; } /* Enable MSI-X vector for response queue update for queue 0 */ if (IS_MQUE_CAPABLE(ha) && (ha->msixbase && ha->mqiobase && ha->max_qpairs)) ha->mqenable = 1; else ha->mqenable = 0; ql_dbg(ql_dbg_multiq, vha, 0xc005, "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); ql_dbg(ql_dbg_init, vha, 0x0055, "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); msix_out: return ret; free_irqs: pci_free_irq_vectors(ha->pdev); goto msix_out; } int qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) { int ret = QLA_FUNCTION_FAILED; device_reg_t *reg = ha->iobase; scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); /* If possible, enable MSI-X. */ if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) goto skip_msi; if (ql2xenablemsix == 2) goto skip_msix; if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && (ha->pdev->subsystem_device == 0x7040 || ha->pdev->subsystem_device == 0x7041 || ha->pdev->subsystem_device == 0x1705)) { ql_log(ql_log_warn, vha, 0x0034, "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", ha->pdev->subsystem_vendor, ha->pdev->subsystem_device); goto skip_msi; } if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { ql_log(ql_log_warn, vha, 0x0035, "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); goto skip_msix; } ret = qla24xx_enable_msix(ha, rsp); if (!ret) { ql_dbg(ql_dbg_init, vha, 0x0036, "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision, ha->fw_attributes); goto clear_risc_ints; } skip_msix: ql_log(ql_log_info, vha, 0x0037, "Falling back-to MSI mode -- ret=%d.\n", ret); if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) goto skip_msi; ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); if (ret > 0) { ql_dbg(ql_dbg_init, vha, 0x0038, "MSI: Enabled.\n"); ha->flags.msi_enabled = 1; } else ql_log(ql_log_warn, vha, 0x0039, "Falling back-to INTa mode -- ret=%d.\n", ret); skip_msi: /* Skip INTx on ISP82xx. */ if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) return QLA_FUNCTION_FAILED; ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, ha->flags.msi_enabled ? 0 : IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp); if (ret) { ql_log(ql_log_warn, vha, 0x003a, "Failed to reserve interrupt %d already in use.\n", ha->pdev->irq); goto fail; } else if (!ha->flags.msi_enabled) { ql_dbg(ql_dbg_init, vha, 0x0125, "INTa mode: Enabled.\n"); ha->flags.mr_intr_valid = 1; /* Set max_qpair to 0, as MSI-X and MSI in not enabled */ ha->max_qpairs = 0; } clear_risc_ints: if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) goto fail; spin_lock_irq(&ha->hardware_lock); wrt_reg_word(®->isp.semaphore, 0); spin_unlock_irq(&ha->hardware_lock); fail: return ret; } void qla2x00_free_irqs(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; struct rsp_que *rsp; struct qla_msix_entry *qentry; int i; /* * We need to check that ha->rsp_q_map is valid in case we are called * from a probe failure context. */ if (!ha->rsp_q_map || !ha->rsp_q_map[0]) goto free_irqs; rsp = ha->rsp_q_map[0]; if (ha->flags.msix_enabled) { for (i = 0; i < ha->msix_count; i++) { qentry = &ha->msix_entries[i]; if (qentry->have_irq) { irq_set_affinity_notifier(qentry->vector, NULL); free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); } } kfree(ha->msix_entries); ha->msix_entries = NULL; ha->flags.msix_enabled = 0; ql_dbg(ql_dbg_init, vha, 0x0042, "Disabled MSI-X.\n"); } else { free_irq(pci_irq_vector(ha->pdev, 0), rsp); } free_irqs: pci_free_irq_vectors(ha->pdev); } int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, struct qla_msix_entry *msix, int vector_type) { const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); int ret; scnprintf(msix->name, sizeof(msix->name), "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); if (ret) { ql_log(ql_log_fatal, vha, 0x00e6, "MSI-X: Unable to register handler -- %x/%d.\n", msix->vector, ret); return ret; } msix->have_irq = 1; msix->handle = qpair; qla_mapq_init_qp_cpu_map(ha, msix, qpair); return ret; }
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