diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_isr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 294 |
1 files changed, 254 insertions, 40 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index e40705d38cea..8a78d395bbc8 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -31,6 +31,143 @@ const char *const port_state_str[] = { "ONLINE" }; +static void qla24xx_purex_iocb(scsi_qla_host_t *vha, void *pkt, + void (*process_item)(struct scsi_qla_host *vha, void *pkt)) +{ + struct purex_list *list = &vha->purex_list; + struct purex_item *item; + ulong flags; + + item = kzalloc(sizeof(*item), GFP_KERNEL); + if (!item) { + ql_log(ql_log_warn, vha, 0x5092, + ">> Failed allocate purex list item.\n"); + return; + } + + item->vha = vha; + item->process_item = process_item; + memcpy(&item->iocb, pkt, sizeof(item->iocb)); + + spin_lock_irqsave(&list->lock, flags); + list_add_tail(&item->list, &list->head); + spin_unlock_irqrestore(&list->lock, flags); + + set_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags); +} + +static void +qla24xx_process_abts(struct scsi_qla_host *vha, void *pkt) +{ + struct abts_entry_24xx *abts = pkt; + 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 = ~0; + rsp_els->rx_xchg_address = abts->rx_xch_addr_to_abort; + rsp_els->control_flags = 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 = ~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); +} + /** * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. * @irq: interrupt number @@ -716,12 +853,24 @@ skip_rio: break; case MBA_SYSTEM_ERR: /* System Error */ - mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || - IS_QLA28XX(ha)) ? - RD_REG_WORD(®24->mailbox7) : 0; - ql_log(ql_log_warn, vha, 0x5003, - "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " - "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); + mbx = 0; + 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]); + ha->fw_dump_mpi = (IS_QLA27XX(ha) || IS_QLA28XX(ha)) && RD_REG_WORD(®24->mailbox7) & BIT_8; @@ -813,13 +962,15 @@ skip_rio: "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 (AUTO_DETECT_SFP_SUPPORT(vha)) { - set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); - qla2xxx_wake_dpc(vha); - } break; case MBA_LOOP_DOWN: /* Loop Down Event */ @@ -1254,6 +1405,7 @@ global_port_update: 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" }; @@ -1291,6 +1443,11 @@ global_port_update: 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: @@ -1754,11 +1911,9 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, } if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { - ql_dbg(ql_dbg_async, fcport->vha, 0x5036, - "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " - "iop0=%x.\n", type, fcport->port_name, sp->handle, - fcport->d_id.b.domain, - fcport->d_id.b.area, fcport->d_id.b.al_pa, + 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; @@ -1837,11 +1992,9 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, break; } - ql_dbg(ql_dbg_async, fcport->vha, 0x5037, - "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " - "iop0=%x iop1=%x.\n", type, fcport->port_name, - sp->handle, fcport->d_id.b.domain, - fcport->d_id.b.area, fcport->d_id.b.al_pa, + ql_dbg(ql_dbg_async, 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])); @@ -1910,6 +2063,7 @@ static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct nvmefc_fcp_req *fd; uint16_t ret = QLA_SUCCESS; uint16_t comp_status = le16_to_cpu(sts->comp_status); + int logit = 0; iocb = &sp->u.iocb_cmd; fcport = sp->fcport; @@ -1920,6 +2074,12 @@ static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, if (unlikely(iocb->u.nvme.aen_op)) atomic_dec(&sp->vha->hw->nvme_active_aen_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. @@ -1930,8 +2090,20 @@ static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, */ 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)) { + } 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 = le16_to_cpu(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; @@ -1954,16 +2126,28 @@ static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, iter = iocb->u.nvme.rsp_pyld_len >> 2; for (; iter; iter--) *outbuf++ = swab32(*inbuf++); - } else { /* unhandled case */ - ql_log(ql_log_warn, fcport->vha, 0x503a, - "NVME-%s error. Unhandled state_flags of %x\n", - sp->name, state_flags); } - fd->transferred_length = fd->payload_length - - le32_to_cpu(sts->residual_len); + if (state_flags & SF_NVME_ERSP) { + struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr; + u32 tgt_xfer_len; - if (unlikely(comp_status != CS_COMPLETE)) + tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len); + if (fd->transferred_length != tgt_xfer_len) { + ql_dbg(ql_dbg_io, fcport->vha, 0x3079, + "Dropped frame(s) detected (sent/rcvd=%u/%u).\n", + tgt_xfer_len, fd->transferred_length); + logit = 1; + } else if (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_log(ql_log_warn, 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, @@ -2516,11 +2700,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) return; } - if (sp->abort) - sp->aborted = 1; - else - sp->completed = 1; - if (sp->cmd_type != TYPE_SRB) { req->outstanding_cmds[handle] = NULL; ql_dbg(ql_dbg_io, vha, 0x3015, @@ -3083,6 +3262,11 @@ process_err: qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); break; case ABTS_RECV_24XX: + if (qla_ini_mode_enabled(vha)) { + qla24xx_purex_iocb(vha, pkt, + qla24xx_process_abts); + break; + } if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { /* ensure that the ATIO queue is empty */ @@ -3127,6 +3311,19 @@ process_err: qla_ctrlvp_completed(vha, rsp->req, (struct vp_ctrl_entry_24xx *)pkt); break; + case PUREX_IOCB_TYPE: + { + struct purex_entry_24xx *purex = (void *)pkt; + + if (purex->els_frame_payload[3] != ELS_COMMAND_RDP) { + ql_dbg(ql_dbg_init, vha, 0x5091, + "Discarding ELS Request opcode %#x...\n", + purex->els_frame_payload[3]); + break; + } + qla24xx_purex_iocb(vha, pkt, qla24xx_process_purex_rdp); + break; + } default: /* Type Not Supported. */ ql_dbg(ql_dbg_async, vha, 0x5042, @@ -3442,6 +3639,25 @@ 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(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; @@ -3453,13 +3669,10 @@ qla2xxx_msix_rsp_q(int irq, void *dev_id) } ha = qpair->hw; - /* Clear the interrupt, if enabled, for this response queue */ - if (unlikely(!ha->flags.disable_msix_handshake)) { - 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); - } + 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(ha->wq, &qpair->q_work); @@ -3478,6 +3691,7 @@ static const struct qla_init_msix_entry msix_entries[] = { { "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[] = { |