| /* |
| * QLogic Fibre Channel HBA Driver |
| * Copyright (c) 2003-2011 QLogic Corporation |
| * |
| * See LICENSE.qla2xxx for copyright and licensing details. |
| */ |
| #include "qla_def.h" |
| |
| #include <linux/delay.h> |
| #include <linux/slab.h> |
| #include <scsi/scsi_tcq.h> |
| #include <scsi/scsi_bsg_fc.h> |
| #include <scsi/scsi_eh.h> |
| |
| static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); |
| static void qla2x00_process_completed_request(struct scsi_qla_host *, |
| struct req_que *, uint32_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 void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, |
| sts_entry_t *); |
| |
| /** |
| * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. |
| * @irq: |
| * @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[4]; |
| struct rsp_que *rsp; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| printk(KERN_INFO |
| "%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 (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, 1); |
| 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); |
| } |
| } |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
| (status & MBX_INTERRUPT) && ha->flags.mbox_int) { |
| set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
| complete(&ha->mbx_intr_comp); |
| } |
| |
| return (IRQ_HANDLED); |
| } |
| |
| /** |
| * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. |
| * @irq: |
| * @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[4]; |
| struct rsp_que *rsp; |
| struct qla_hw_data *ha; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| printk(KERN_INFO |
| "%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 (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, 1); |
| 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); |
| } |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
| (status & MBX_INTERRUPT) && ha->flags.mbox_int) { |
| set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
| complete(&ha->mbx_intr_comp); |
| } |
| |
| return (IRQ_HANDLED); |
| } |
| |
| /** |
| * qla2x00_mbx_completion() - Process mailbox command completions. |
| * @ha: 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; |
| uint16_t __iomem *wptr; |
| struct qla_hw_data *ha = vha->hw; |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| |
| /* Read all mbox registers? */ |
| mboxes = (1 << ha->mbx_count) - 1; |
| if (!ha->mcp) |
| ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERRROR.\n"); |
| else |
| mboxes = ha->mcp->in_mb; |
| |
| /* Load return mailbox registers. */ |
| ha->flags.mbox_int = 1; |
| ha->mailbox_out[0] = mb0; |
| mboxes >>= 1; |
| wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); |
| |
| for (cnt = 1; cnt < ha->mbx_count; cnt++) { |
| if (IS_QLA2200(ha) && cnt == 8) |
| wptr = (uint16_t __iomem *)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; |
| uint16_t __iomem *wptr; |
| uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; |
| |
| /* Seed data -- mailbox1 -> mailbox7. */ |
| wptr = (uint16_t __iomem *)®24->mailbox1; |
| 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]); |
| |
| /* Acknowledgement needed? [Notify && non-zero timeout]. */ |
| timeout = (descr >> 8) & 0xf; |
| if (aen != MBA_IDC_NOTIFY || !timeout) |
| return; |
| |
| ql_dbg(ql_dbg_async, vha, 0x5022, |
| "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", |
| vha->host_no, event[aen & 0xff], timeout); |
| |
| 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"); |
| } |
| |
| /** |
| * qla2x00_async_event() - Process aynchronous events. |
| * @ha: SCSI driver HA context |
| * @mb: Mailbox registers (0 - 3) |
| */ |
| void |
| qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) |
| { |
| #define LS_UNKNOWN 2 |
| static char *link_speeds[] = { "1", "2", "?", "4", "8", "16", "10" }; |
| char *link_speed; |
| 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; |
| uint8_t rscn_queue_index; |
| unsigned long flags; |
| |
| /* 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] = le32_to_cpu((uint32_t)((mb[2] << 16) | 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] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); |
| handles[1] = le32_to_cpu( |
| ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | |
| 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 = (IS_QLA81XX(ha) || IS_QLA83XX(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); |
| |
| ha->isp_ops->fw_dump(vha, 1); |
| |
| 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->flags.port0)) |
| 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]); |
| |
| 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.\n"); |
| |
| 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.\n"); |
| break; |
| |
| case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ |
| 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, 1); |
| } |
| |
| 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)) { |
| link_speed = link_speeds[0]; |
| ha->link_data_rate = PORT_SPEED_1GB; |
| } else { |
| link_speed = link_speeds[LS_UNKNOWN]; |
| if (mb[1] < 6) |
| link_speed = link_speeds[mb[1]]; |
| else if (mb[1] == 0x13) |
| link_speed = link_speeds[6]; |
| ha->link_data_rate = mb[1]; |
| } |
| |
| ql_dbg(ql_dbg_async, vha, 0x500a, |
| "LOOP UP detected (%s Gbps).\n", link_speed); |
| |
| vha->flags.management_server_logged_in = 0; |
| qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); |
| break; |
| |
| case MBA_LOOP_DOWN: /* Loop Down Event */ |
| mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) |
| ? RD_REG_WORD(®24->mailbox4) : 0; |
| mbx = IS_QLA82XX(ha) ? RD_REG_WORD(®82->mailbox_out[4]) : mbx; |
| ql_dbg(ql_dbg_async, 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); |
| vha->device_flags |= DFLG_NO_CABLE; |
| qla2x00_mark_all_devices_lost(vha, 1); |
| } |
| |
| 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, 1); |
| } |
| |
| 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 */ |
| if (IS_QLA2100(ha)) |
| break; |
| |
| if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA8031(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) |
| 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); |
| qla2x00_mark_all_devices_lost(vha, 1); |
| } |
| |
| 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); |
| |
| ha->flags.gpsc_supported = 1; |
| 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, 1); |
| } |
| |
| 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; |
| |
| /* Global event -- port logout or port unavailable. */ |
| if (mb[1] == 0xffff && mb[2] == 0x7) { |
| ql_dbg(ql_dbg_async, vha, 0x5010, |
| "Port unavailable %04x %04x %04x.\n", |
| mb[1], mb[2], mb[3]); |
| |
| 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, 1); |
| } |
| |
| 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, 1); |
| } |
| |
| 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 && |
| 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); |
| |
| qla2x00_mark_all_devices_lost(vha, 1); |
| |
| vha->flags.rscn_queue_overflow = 1; |
| |
| set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_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_dbg(ql_dbg_async, 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]; |
| rscn_queue_index = vha->rscn_in_ptr + 1; |
| if (rscn_queue_index == MAX_RSCN_COUNT) |
| rscn_queue_index = 0; |
| if (rscn_queue_index != vha->rscn_out_ptr) { |
| vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; |
| vha->rscn_in_ptr = rscn_queue_index; |
| } else { |
| vha->flags.rscn_queue_overflow = 1; |
| } |
| |
| atomic_set(&vha->loop_down_timer, 0); |
| vha->flags.management_server_logged_in = 0; |
| |
| set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| set_bit(RSCN_UPDATE, &vha->dpc_flags); |
| qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); |
| 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]); |
| 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_COMPLETE: |
| case MBA_IDC_NOTIFY: |
| case MBA_IDC_TIME_EXT: |
| qla81xx_idc_event(vha, mb[0], mb[1]); |
| break; |
| default: |
| ql_dbg(ql_dbg_async, vha, 0x5057, |
| "Unknown AEN:%04x %04x %04x %04x\n", |
| mb[0], mb[1], mb[2], mb[3]); |
| } |
| |
| if (!vha->vp_idx && ha->num_vhosts) |
| qla2x00_alert_all_vps(rsp, mb); |
| } |
| |
| /** |
| * qla2x00_process_completed_request() - Process a Fast Post response. |
| * @ha: SCSI driver HA context |
| * @index: SRB index |
| */ |
| static 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 >= MAX_OUTSTANDING_COMMANDS) { |
| ql_log(ql_log_warn, vha, 0x3014, |
| "Invalid SCSI command index (%x).\n", index); |
| |
| if (IS_QLA82XX(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->cmd->result = DID_OK << 16; |
| qla2x00_sp_compl(ha, sp); |
| } else { |
| ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); |
| |
| if (IS_QLA82XX(ha)) |
| set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| } |
| } |
| |
| static srb_t * |
| qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, |
| struct req_que *req, void *iocb) |
| { |
| struct qla_hw_data *ha = vha->hw; |
| sts_entry_t *pkt = iocb; |
| srb_t *sp = NULL; |
| uint16_t index; |
| |
| index = LSW(pkt->handle); |
| if (index >= MAX_OUTSTANDING_COMMANDS) { |
| ql_log(ql_log_warn, vha, 0x5031, |
| "Invalid command index (%x).\n", index); |
| if (IS_QLA82XX(ha)) |
| set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| goto done; |
| } |
| sp = req->outstanding_cmds[index]; |
| if (!sp) { |
| ql_log(ql_log_warn, vha, 0x5032, |
| "Invalid completion handle (%x) -- timed-out.\n", index); |
| return sp; |
| } |
| if (sp->handle != index) { |
| ql_log(ql_log_warn, vha, 0x5033, |
| "SRB handle (%x) mismatch %x.\n", sp->handle, index); |
| return NULL; |
| } |
| |
| req->outstanding_cmds[index] = NULL; |
| |
| done: |
| 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; |
| struct srb_ctx *ctx; |
| uint16_t *data; |
| uint16_t status; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); |
| if (!sp) |
| return; |
| |
| ctx = sp->ctx; |
| lio = ctx->u.iocb_cmd; |
| type = ctx->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, |
| (uint8_t *)mbx, sizeof(*mbx)); |
| |
| goto logio_done; |
| } |
| |
| status = le16_to_cpu(mbx->status); |
| if (status == 0x30 && ctx->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 (ctx->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: |
| lio->done(sp); |
| } |
| |
| 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; |
| struct qla_hw_data *ha = vha->hw; |
| srb_t *sp; |
| struct srb_ctx *sp_bsg; |
| struct fc_bsg_job *bsg_job; |
| uint16_t comp_status; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (!sp) |
| return; |
| |
| sp_bsg = sp->ctx; |
| bsg_job = sp_bsg->u.bsg_job; |
| |
| type = NULL; |
| switch (sp_bsg->type) { |
| case SRB_CT_CMD: |
| type = "ct pass-through"; |
| break; |
| default: |
| ql_log(ql_log_warn, vha, 0x5047, |
| "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); |
| return; |
| } |
| |
| 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_job->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) { |
| bsg_job->reply->result = DID_OK << 16; |
| bsg_job->reply->reply_payload_rcv_len = |
| le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); |
| |
| ql_log(ql_log_warn, vha, 0x5048, |
| "CT pass-through-%s error " |
| "comp_status-status=0x%x total_byte = 0x%x.\n", |
| type, comp_status, |
| bsg_job->reply->reply_payload_rcv_len); |
| } else { |
| ql_log(ql_log_warn, vha, 0x5049, |
| "CT pass-through-%s error " |
| "comp_status-status=0x%x.\n", type, comp_status); |
| bsg_job->reply->result = DID_ERROR << 16; |
| bsg_job->reply->reply_payload_rcv_len = 0; |
| } |
| ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, |
| (uint8_t *)pkt, sizeof(*pkt)); |
| } else { |
| bsg_job->reply->result = DID_OK << 16; |
| bsg_job->reply->reply_payload_rcv_len = |
| bsg_job->reply_payload.payload_len; |
| bsg_job->reply_len = 0; |
| } |
| |
| dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, |
| bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); |
| |
| dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, |
| bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); |
| |
| if (sp_bsg->type == SRB_ELS_CMD_HST || sp_bsg->type == SRB_CT_CMD) |
| kfree(sp->fcport); |
| |
| kfree(sp->ctx); |
| mempool_free(sp, ha->srb_mempool); |
| bsg_job->job_done(bsg_job); |
| } |
| |
| static void |
| qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, |
| struct sts_entry_24xx *pkt, int iocb_type) |
| { |
| const char func[] = "ELS_CT_IOCB"; |
| const char *type; |
| struct qla_hw_data *ha = vha->hw; |
| srb_t *sp; |
| struct srb_ctx *sp_bsg; |
| struct fc_bsg_job *bsg_job; |
| uint16_t comp_status; |
| uint32_t fw_status[3]; |
| uint8_t* fw_sts_ptr; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (!sp) |
| return; |
| sp_bsg = sp->ctx; |
| bsg_job = sp_bsg->u.bsg_job; |
| |
| type = NULL; |
| switch (sp_bsg->type) { |
| case SRB_ELS_CMD_RPT: |
| case SRB_ELS_CMD_HST: |
| type = "els"; |
| break; |
| case SRB_CT_CMD: |
| type = "ct pass-through"; |
| break; |
| default: |
| ql_log(ql_log_warn, vha, 0x503e, |
| "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); |
| return; |
| } |
| |
| comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); |
| fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); |
| fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); |
| |
| /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT |
| * fc payload to the caller |
| */ |
| bsg_job->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) { |
| bsg_job->reply->result = DID_OK << 16; |
| bsg_job->reply->reply_payload_rcv_len = |
| le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count); |
| |
| ql_log(ql_log_info, 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], |
| le16_to_cpu(((struct els_sts_entry_24xx *) |
| pkt)->total_byte_count)); |
| fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); |
| memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); |
| } |
| else { |
| ql_log(ql_log_info, 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, |
| le16_to_cpu(((struct els_sts_entry_24xx *) |
| pkt)->error_subcode_1), |
| le16_to_cpu(((struct els_sts_entry_24xx *) |
| pkt)->error_subcode_2)); |
| bsg_job->reply->result = DID_ERROR << 16; |
| bsg_job->reply->reply_payload_rcv_len = 0; |
| fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); |
| memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); |
| } |
| ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5056, |
| (uint8_t *)pkt, sizeof(*pkt)); |
| } |
| else { |
| bsg_job->reply->result = DID_OK << 16; |
| bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; |
| bsg_job->reply_len = 0; |
| } |
| |
| dma_unmap_sg(&ha->pdev->dev, |
| bsg_job->request_payload.sg_list, |
| bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); |
| dma_unmap_sg(&ha->pdev->dev, |
| bsg_job->reply_payload.sg_list, |
| bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); |
| if ((sp_bsg->type == SRB_ELS_CMD_HST) || |
| (sp_bsg->type == SRB_CT_CMD)) |
| kfree(sp->fcport); |
| kfree(sp->ctx); |
| mempool_free(sp, ha->srb_mempool); |
| bsg_job->job_done(bsg_job); |
| } |
| |
| 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; |
| struct srb_ctx *ctx; |
| uint16_t *data; |
| uint32_t iop[2]; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, logio); |
| if (!sp) |
| return; |
| |
| ctx = sp->ctx; |
| lio = ctx->u.iocb_cmd; |
| type = ctx->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, vha, 0x5034, |
| "Async-%s error entry - hdl=%x" |
| "portid=%02x%02x%02x entry-status=%x.\n", |
| type, 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, |
| (uint8_t *)logio, sizeof(*logio)); |
| |
| goto logio_done; |
| } |
| |
| if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { |
| ql_dbg(ql_dbg_async, vha, 0x5036, |
| "Async-%s complete - hdl=%x portid=%02x%02x%02x " |
| "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| le32_to_cpu(logio->io_parameter[0])); |
| |
| data[0] = MBS_COMMAND_COMPLETE; |
| if (ctx->type != SRB_LOGIN_CMD) |
| goto logio_done; |
| |
| 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 (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]); |
| switch (iop[0]) { |
| case LSC_SCODE_PORTID_USED: |
| data[0] = MBS_PORT_ID_USED; |
| data[1] = LSW(iop[1]); |
| break; |
| case LSC_SCODE_NPORT_USED: |
| data[0] = MBS_LOOP_ID_USED; |
| break; |
| default: |
| data[0] = MBS_COMMAND_ERROR; |
| break; |
| } |
| |
| ql_dbg(ql_dbg_async, vha, 0x5037, |
| "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " |
| "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, |
| fcport->d_id.b.area, fcport->d_id.b.al_pa, |
| le16_to_cpu(logio->comp_status), |
| le32_to_cpu(logio->io_parameter[0]), |
| le32_to_cpu(logio->io_parameter[1])); |
| |
| logio_done: |
| lio->done(sp); |
| } |
| |
| static void |
| qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, |
| struct tsk_mgmt_entry *tsk) |
| { |
| const char func[] = "TMF-IOCB"; |
| const char *type; |
| fc_port_t *fcport; |
| srb_t *sp; |
| struct srb_iocb *iocb; |
| struct srb_ctx *ctx; |
| struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; |
| int error = 1; |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); |
| if (!sp) |
| return; |
| |
| ctx = sp->ctx; |
| iocb = ctx->u.iocb_cmd; |
| type = ctx->name; |
| fcport = sp->fcport; |
| |
| if (sts->entry_status) { |
| ql_log(ql_log_warn, vha, 0x5038, |
| "Async-%s error - hdl=%x entry-status(%x).\n", |
| type, sp->handle, sts->entry_status); |
| } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { |
| ql_log(ql_log_warn, vha, 0x5039, |
| "Async-%s error - hdl=%x completion status(%x).\n", |
| type, sp->handle, sts->comp_status); |
| } else if (!(le16_to_cpu(sts->scsi_status) & |
| SS_RESPONSE_INFO_LEN_VALID)) { |
| ql_log(ql_log_warn, vha, 0x503a, |
| "Async-%s error - hdl=%x no response info(%x).\n", |
| type, sp->handle, sts->scsi_status); |
| } else if (le32_to_cpu(sts->rsp_data_len) < 4) { |
| ql_log(ql_log_warn, 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, vha, 0x503c, |
| "Async-%s error - hdl=%x response(%x).\n", |
| type, sp->handle, sts->data[3]); |
| } else { |
| error = 0; |
| } |
| |
| if (error) { |
| iocb->u.tmf.data = error; |
| ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, |
| (uint8_t *)sts, sizeof(*sts)); |
| } |
| |
| iocb->done(sp); |
| } |
| |
| /** |
| * qla2x00_process_response_queue() - Process response queue entries. |
| * @ha: SCSI driver HA context |
| */ |
| 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; |
| uint16_t handle_cnt; |
| uint16_t cnt; |
| |
| 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; |
| } |
| |
| switch (pkt->entry_type) { |
| case STATUS_TYPE: |
| qla2x00_status_entry(vha, rsp, pkt); |
| break; |
| case STATUS_TYPE_21: |
| handle_cnt = ((sts21_entry_t *)pkt)->handle_count; |
| for (cnt = 0; cnt < handle_cnt; cnt++) { |
| qla2x00_process_completed_request(vha, rsp->req, |
| ((sts21_entry_t *)pkt)->handle[cnt]); |
| } |
| break; |
| case STATUS_TYPE_22: |
| handle_cnt = ((sts22_entry_t *)pkt)->handle_count; |
| for (cnt = 0; cnt < handle_cnt; cnt++) { |
| qla2x00_process_completed_request(vha, rsp->req, |
| ((sts22_entry_t *)pkt)->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; |
| } |
| ((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) |
| { |
| struct scsi_qla_host *vha = sp->fcport->vha; |
| struct scsi_cmnd *cp = sp->cmd; |
| |
| if (sense_len >= SCSI_SENSE_BUFFERSIZE) |
| sense_len = SCSI_SENSE_BUFFERSIZE; |
| |
| sp->request_sense_length = sense_len; |
| sp->request_sense_ptr = cp->sense_buffer; |
| if (sp->request_sense_length > par_sense_len) |
| sense_len = par_sense_len; |
| |
| memcpy(cp->sense_buffer, sense_data, sense_len); |
| |
| sp->request_sense_ptr += sense_len; |
| sp->request_sense_length -= sense_len; |
| if (sp->request_sense_length != 0) |
| rsp->status_srb = sp; |
| |
| if (sense_len) { |
| ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, |
| "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n", |
| sp->fcport->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 identifer */ |
| __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->fcport->vha; |
| struct scsi_cmnd *cmd = sp->cmd; |
| 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 = le16_to_cpu(*(uint16_t *)(ap + 2)); |
| a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); |
| a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); |
| e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); |
| e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); |
| e_ref_tag = le32_to_cpu(*(uint32_t *)(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 == 0xffff) && |
| ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || |
| (a_ref_tag == 0xffffffff))) { |
| 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 sd_dif_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 = 0xffff; |
| if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) |
| spt->ref_tag = 0xffffffff; |
| } |
| |
| return 0; |
| } |
| |
| /* check guard */ |
| if (e_guard != a_guard) { |
| scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
| 0x10, 0x1); |
| set_driver_byte(cmd, DRIVER_SENSE); |
| set_host_byte(cmd, DID_ABORT); |
| cmd->result |= SAM_STAT_CHECK_CONDITION << 1; |
| return 1; |
| } |
| |
| /* check ref tag */ |
| if (e_ref_tag != a_ref_tag) { |
| scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
| 0x10, 0x3); |
| set_driver_byte(cmd, DRIVER_SENSE); |
| set_host_byte(cmd, DID_ABORT); |
| cmd->result |= SAM_STAT_CHECK_CONDITION << 1; |
| return 1; |
| } |
| |
| /* check appl tag */ |
| if (e_app_tag != a_app_tag) { |
| scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, |
| 0x10, 0x2); |
| set_driver_byte(cmd, DRIVER_SENSE); |
| set_host_byte(cmd, DID_ABORT); |
| cmd->result |= SAM_STAT_CHECK_CONDITION << 1; |
| return 1; |
| } |
| |
| return 1; |
| } |
| |
| /** |
| * qla2x00_status_entry() - Process a Status IOCB entry. |
| * @ha: SCSI driver HA context |
| * @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; |
| struct sts_entry_24xx *sts24; |
| 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; |
| |
| sts = (sts_entry_t *) pkt; |
| sts24 = (struct sts_entry_24xx *) pkt; |
| 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; |
| } |
| handle = (uint32_t) LSW(sts->handle); |
| que = MSW(sts->handle); |
| req = ha->req_q_map[que]; |
| |
| /* Fast path completion. */ |
| if (comp_status == CS_COMPLETE && scsi_status == 0) { |
| qla2x00_process_completed_request(vha, req, handle); |
| |
| return; |
| } |
| |
| /* Validate handle. */ |
| if (handle < MAX_OUTSTANDING_COMMANDS) { |
| sp = req->outstanding_cmds[handle]; |
| req->outstanding_cmds[handle] = NULL; |
| } else |
| sp = NULL; |
| |
| if (sp == NULL) { |
| ql_dbg(ql_dbg_io, vha, 0x3017, |
| "Invalid status handle (0x%x).\n", sts->handle); |
| |
| if (IS_QLA82XX(ha)) |
| set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| qla2xxx_wake_dpc(vha); |
| return; |
| } |
| cp = sp->cmd; |
| if (cp == NULL) { |
| ql_dbg(ql_dbg_io, vha, 0x3018, |
| "Command already returned (0x%x/%p).\n", |
| sts->handle, sp); |
| |
| 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); |
| } 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, vha, 0x3019, |
| "FCP I/O protocol failure (0x%x/0x%x).\n", |
| rsp_info_len, rsp_info[3]); |
| |
| cp->result = 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; |
| |
| /* |
| * 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) { |
| cp->result = 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, vha, 0x301a, |
| "Mid-layer underflow " |
| "detected (0x%x of 0x%x bytes).\n", |
| resid, scsi_bufflen(cp)); |
| |
| cp->result = DID_ERROR << 16; |
| break; |
| } |
| } |
| cp->result = DID_OK << 16 | lscsi_status; |
| |
| if (lscsi_status == SAM_STAT_TASK_SET_FULL) { |
| ql_dbg(ql_dbg_io, 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); |
| 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_dbg(ql_dbg_io, vha, 0x301d, |
| "Dropped frame(s) detected " |
| "(0x%x of 0x%x bytes).\n", |
| resid, scsi_bufflen(cp)); |
| |
| cp->result = DID_ERROR << 16 | lscsi_status; |
| goto check_scsi_status; |
| } |
| |
| if (!lscsi_status && |
| ((unsigned)(scsi_bufflen(cp) - resid) < |
| cp->underflow)) { |
| ql_dbg(ql_dbg_io, vha, 0x301e, |
| "Mid-layer underflow " |
| "detected (0x%x of 0x%x bytes).\n", |
| resid, scsi_bufflen(cp)); |
| |
| cp->result = DID_ERROR << 16; |
| break; |
| } |
| } else { |
| ql_dbg(ql_dbg_io, vha, 0x301f, |
| "Dropped frame(s) detected (0x%x " |
| "of 0x%x bytes).\n", resid, scsi_bufflen(cp)); |
| |
| cp->result = DID_ERROR << 16 | lscsi_status; |
| goto check_scsi_status; |
| } |
| |
| cp->result = 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, 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); |
| } |
| 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: |
| |
| /* |
| * 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. |
| */ |
| cp->result = 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; |
| } |
| |
| ql_dbg(ql_dbg_io, vha, 0x3021, |
| "Port down status: port-state=0x%x.\n", |
| atomic_read(&fcport->state)); |
| |
| if (atomic_read(&fcport->state) == FCS_ONLINE) |
| qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); |
| break; |
| |
| case CS_ABORTED: |
| cp->result = DID_RESET << 16; |
| break; |
| |
| case CS_DIF_ERROR: |
| logit = qla2x00_handle_dif_error(sp, sts24); |
| break; |
| default: |
| cp->result = DID_ERROR << 16; |
| break; |
| } |
| |
| out: |
| if (logit) |
| ql_dbg(ql_dbg_io, vha, 0x3022, |
| "FCP command status: 0x%x-0x%x (0x%x) " |
| "nexus=%ld:%d:%d portid=%02x%02x%02x oxid=0x%x " |
| "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x " |
| "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n", |
| comp_status, scsi_status, cp->result, 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[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], |
| cp->cmnd[4], cp->cmnd[5], cp->cmnd[6], cp->cmnd[7], |
| cp->cmnd[8], cp->cmnd[9], scsi_bufflen(cp), rsp_info_len, |
| resid_len, fw_resid_len); |
| |
| if (rsp->status_srb == NULL) |
| qla2x00_sp_compl(ha, sp); |
| } |
| |
| /** |
| * qla2x00_status_cont_entry() - Process a Status Continuations entry. |
| * @ha: SCSI driver HA context |
| * @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; |
| |
| if (sp != NULL && sp->request_sense_length != 0) { |
| cp = sp->cmd; |
| 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 (sp->request_sense_length > sizeof(pkt->data)) { |
| sense_sz = sizeof(pkt->data); |
| } else { |
| sense_sz = sp->request_sense_length; |
| } |
| |
| /* Move sense data. */ |
| if (IS_FWI2_CAPABLE(ha)) |
| host_to_fcp_swap(pkt->data, sizeof(pkt->data)); |
| memcpy(sp->request_sense_ptr, pkt->data, sense_sz); |
| ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, |
| sp->request_sense_ptr, sense_sz); |
| |
| sp->request_sense_ptr += sense_sz; |
| sp->request_sense_length -= sense_sz; |
| |
| /* Place command on done queue. */ |
| if (sp->request_sense_length == 0) { |
| rsp->status_srb = NULL; |
| qla2x00_sp_compl(ha, sp); |
| } |
| } |
| } |
| |
| static int |
| qla2x00_free_sp_ctx(scsi_qla_host_t *vha, srb_t *sp) |
| { |
| struct qla_hw_data *ha = vha->hw; |
| struct srb_ctx *ctx; |
| |
| if (!sp->ctx) |
| return 1; |
| |
| ctx = sp->ctx; |
| |
| if (ctx->type == SRB_LOGIN_CMD || |
| ctx->type == SRB_LOGOUT_CMD || |
| ctx->type == SRB_TM_CMD) { |
| ctx->u.iocb_cmd->done(sp); |
| return 0; |
| } else if (ctx->type == SRB_ADISC_CMD) { |
| ctx->u.iocb_cmd->free(sp); |
| return 0; |
| } else { |
| struct fc_bsg_job *bsg_job; |
| |
| bsg_job = ctx->u.bsg_job; |
| if (ctx->type == SRB_ELS_CMD_HST || |
| ctx->type == SRB_CT_CMD) |
| kfree(sp->fcport); |
| |
| bsg_job->reply->reply_data.ctels_reply.status = |
| FC_CTELS_STATUS_OK; |
| bsg_job->reply->result = DID_ERROR << 16; |
| bsg_job->reply->reply_payload_rcv_len = 0; |
| kfree(sp->ctx); |
| mempool_free(sp, ha->srb_mempool); |
| bsg_job->job_done(bsg_job); |
| return 0; |
| } |
| return 1; |
| } |
| |
| /** |
| * qla2x00_error_entry() - Process an error entry. |
| * @ha: SCSI driver HA context |
| * @pkt: Entry pointer |
| */ |
| static void |
| 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 = ha->req_q_map[que]; |
| |
| if (pkt->entry_status & RF_INV_E_ORDER) |
| ql_dbg(ql_dbg_async, vha, 0x502a, |
| "Invalid Entry Order.\n"); |
| else if (pkt->entry_status & RF_INV_E_COUNT) |
| ql_dbg(ql_dbg_async, vha, 0x502b, |
| "Invalid Entry Count.\n"); |
| else if (pkt->entry_status & RF_INV_E_PARAM) |
| ql_dbg(ql_dbg_async, vha, 0x502c, |
| "Invalid Entry Parameter.\n"); |
| else if (pkt->entry_status & RF_INV_E_TYPE) |
| ql_dbg(ql_dbg_async, vha, 0x502d, |
| "Invalid Entry Type.\n"); |
| else if (pkt->entry_status & RF_BUSY) |
| ql_dbg(ql_dbg_async, vha, 0x502e, |
| "Busy.\n"); |
| else |
| ql_dbg(ql_dbg_async, vha, 0x502f, |
| "UNKNOWN flag error.\n"); |
| |
| sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); |
| if (sp) { |
| if (qla2x00_free_sp_ctx(vha, sp)) { |
| if (pkt->entry_status & |
| (RF_INV_E_ORDER | RF_INV_E_COUNT | |
| RF_INV_E_PARAM | RF_INV_E_TYPE)) { |
| sp->cmd->result = DID_ERROR << 16; |
| } else if (pkt->entry_status & RF_BUSY) { |
| sp->cmd->result = DID_BUS_BUSY << 16; |
| } else { |
| sp->cmd->result = DID_ERROR << 16; |
| } |
| qla2x00_sp_compl(ha, sp); |
| } |
| } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == |
| COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7 |
| || pkt->entry_type == COMMAND_TYPE_6) { |
| ql_log(ql_log_warn, vha, 0x5030, |
| "Error entry - invalid handle.\n"); |
| |
| if (IS_QLA82XX(ha)) |
| set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); |
| else |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| qla2xxx_wake_dpc(vha); |
| } |
| } |
| |
| /** |
| * qla24xx_mbx_completion() - Process mailbox command completions. |
| * @ha: 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; |
| uint16_t __iomem *wptr; |
| struct qla_hw_data *ha = vha->hw; |
| struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| |
| /* Read all mbox registers? */ |
| mboxes = (1 << ha->mbx_count) - 1; |
| if (!ha->mcp) |
| ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERRROR.\n"); |
| else |
| mboxes = ha->mcp->in_mb; |
| |
| /* Load return mailbox registers. */ |
| ha->flags.mbox_int = 1; |
| ha->mailbox_out[0] = mb0; |
| mboxes >>= 1; |
| wptr = (uint16_t __iomem *)®->mailbox1; |
| |
| for (cnt = 1; cnt < ha->mbx_count; cnt++) { |
| if (mboxes & BIT_0) |
| ha->mailbox_out[cnt] = RD_REG_WORD(wptr); |
| |
| mboxes >>= 1; |
| wptr++; |
| } |
| } |
| |
| /** |
| * qla24xx_process_response_queue() - Process response queue entries. |
| * @ha: SCSI driver HA context |
| */ |
| 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; |
| |
| if (!vha->flags.online) |
| return; |
| |
| while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { |
| pkt = (struct sts_entry_24xx *)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, (sts_entry_t *) pkt); |
| ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| wmb(); |
| continue; |
| } |
| |
| 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 TSK_MGMT_IOCB_TYPE: |
| qla24xx_tm_iocb_entry(vha, rsp->req, |
| (struct tsk_mgmt_entry *)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 MARKER_TYPE: |
| /* Do nothing in this case, this check is to prevent it |
| * from falling into default case |
| */ |
| break; |
| default: |
| /* Type Not Supported. */ |
| ql_dbg(ql_dbg_async, vha, 0x5042, |
| "Received unknown response pkt type %x " |
| "entry status=%x.\n", |
| pkt->entry_type, pkt->entry_status); |
| break; |
| } |
| ((response_t *)pkt)->signature = RESPONSE_PROCESSED; |
| wmb(); |
| } |
| |
| /* Adjust ring index */ |
| if (IS_QLA82XX(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)) |
| 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; |
| |
| 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: |
| * @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[4]; |
| struct rsp_que *rsp; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| printk(KERN_INFO |
| "%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 (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, 1); |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| } else if ((stat & HSRX_RISC_INT) == 0) |
| break; |
| |
| switch (stat & 0xff) { |
| case 0x1: |
| case 0x2: |
| case 0x10: |
| case 0x11: |
| qla24xx_mbx_completion(vha, MSW(stat)); |
| status |= MBX_INTERRUPT; |
| |
| break; |
| case 0x12: |
| 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 0x13: |
| case 0x14: |
| 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); |
| } |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
| (status & MBX_INTERRUPT) && ha->flags.mbox_int) { |
| set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
| complete(&ha->mbx_intr_comp); |
| } |
| |
| 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) { |
| printk(KERN_INFO |
| "%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 |
| qla25xx_msix_rsp_q(int irq, void *dev_id) |
| { |
| struct qla_hw_data *ha; |
| struct rsp_que *rsp; |
| struct device_reg_24xx __iomem *reg; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| printk(KERN_INFO |
| "%s(): NULL response queue pointer.\n", __func__); |
| return IRQ_NONE; |
| } |
| ha = rsp->hw; |
| |
| /* Clear the interrupt, if enabled, for this response queue */ |
| if (!ha->flags.disable_msix_handshake) { |
| reg = &ha->iobase->isp24; |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); |
| RD_REG_DWORD_RELAXED(®->hccr); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); |
| |
| 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[4]; |
| unsigned long flags; |
| |
| rsp = (struct rsp_que *) dev_id; |
| if (!rsp) { |
| printk(KERN_INFO |
| "%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 (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); |
| |
| ha->isp_ops->fw_dump(vha, 1); |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| break; |
| } else if ((stat & HSRX_RISC_INT) == 0) |
| break; |
| |
| switch (stat & 0xff) { |
| case 0x1: |
| case 0x2: |
| case 0x10: |
| case 0x11: |
| qla24xx_mbx_completion(vha, MSW(stat)); |
| status |= MBX_INTERRUPT; |
| |
| break; |
| case 0x12: |
| 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 0x13: |
| case 0x14: |
| 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); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
| (status & MBX_INTERRUPT) && ha->flags.mbox_int) { |
| set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
| complete(&ha->mbx_intr_comp); |
| } |
| return IRQ_HANDLED; |
| } |
| |
| /* Interrupt handling helpers. */ |
| |
| struct qla_init_msix_entry { |
| const char *name; |
| irq_handler_t handler; |
| }; |
| |
| static struct qla_init_msix_entry msix_entries[3] = { |
| { "qla2xxx (default)", qla24xx_msix_default }, |
| { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, |
| { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, |
| }; |
| |
| static struct qla_init_msix_entry qla82xx_msix_entries[2] = { |
| { "qla2xxx (default)", qla82xx_msix_default }, |
| { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, |
| }; |
| |
| static void |
| qla24xx_disable_msix(struct qla_hw_data *ha) |
| { |
| int i; |
| struct qla_msix_entry *qentry; |
| scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
| |
| for (i = 0; i < ha->msix_count; i++) { |
| qentry = &ha->msix_entries[i]; |
| if (qentry->have_irq) |
| free_irq(qentry->vector, qentry->rsp); |
| } |
| pci_disable_msix(ha->pdev); |
| kfree(ha->msix_entries); |
| ha->msix_entries = NULL; |
| ha->flags.msix_enabled = 0; |
| ql_dbg(ql_dbg_init, vha, 0x0042, |
| "Disabled the MSI.\n"); |
| } |
| |
| static int |
| qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) |
| { |
| #define MIN_MSIX_COUNT 2 |
| int i, ret; |
| struct msix_entry *entries; |
| struct qla_msix_entry *qentry; |
| scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
| |
| entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, |
| GFP_KERNEL); |
| if (!entries) { |
| ql_log(ql_log_warn, vha, 0x00bc, |
| "Failed to allocate memory for msix_entry.\n"); |
| return -ENOMEM; |
| } |
| |
| for (i = 0; i < ha->msix_count; i++) |
| entries[i].entry = i; |
| |
| ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
| if (ret) { |
| if (ret < MIN_MSIX_COUNT) |
| goto msix_failed; |
| |
| ql_log(ql_log_warn, vha, 0x00c6, |
| "MSI-X: Failed to enable support " |
| "-- %d/%d\n Retry with %d vectors.\n", |
| ha->msix_count, ret, ret); |
| ha->msix_count = ret; |
| ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); |
| if (ret) { |
| msix_failed: |
| 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; |
| } |
| ha->max_rsp_queues = ha->msix_count - 1; |
| } |
| ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * |
| ha->msix_count, 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 msix_out; |
| } |
| ha->flags.msix_enabled = 1; |
| |
| for (i = 0; i < ha->msix_count; i++) { |
| qentry = &ha->msix_entries[i]; |
| qentry->vector = entries[i].vector; |
| qentry->entry = entries[i].entry; |
| qentry->have_irq = 0; |
| qentry->rsp = NULL; |
| } |
| |
| /* Enable MSI-X vectors for the base queue */ |
| for (i = 0; i < 2; i++) { |
| qentry = &ha->msix_entries[i]; |
| if (IS_QLA82XX(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, msix_entries[i].name, rsp); |
| } |
| if (ret) { |
| ql_log(ql_log_fatal, vha, 0x00cb, |
| "MSI-X: unable to register handler -- %x/%d.\n", |
| qentry->vector, ret); |
| qla24xx_disable_msix(ha); |
| ha->mqenable = 0; |
| goto msix_out; |
| } |
| qentry->have_irq = 1; |
| qentry->rsp = rsp; |
| rsp->msix = qentry; |
| } |
| |
| /* Enable MSI-X vector for response queue update for queue 0 */ |
| if (IS_QLA83XX(ha)) { |
| if (ha->msixbase && ha->mqiobase && |
| (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
| ha->mqenable = 1; |
| } else |
| if (ha->mqiobase |
| && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) |
| ha->mqenable = 1; |
| 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: |
| kfree(entries); |
| return ret; |
| } |
| |
| int |
| qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) |
| { |
| int ret; |
| device_reg_t __iomem *reg = ha->iobase; |
| scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
| |
| /* If possible, enable MSI-X. */ |
| if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
| !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha)) |
| goto skip_msi; |
| |
| 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; |
| } |
| ql_log(ql_log_info, vha, 0x0037, |
| "MSI-X Falling back-to MSI mode -%d.\n", ret); |
| skip_msix: |
| |
| if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && |
| !IS_QLA8001(ha)) |
| goto skip_msi; |
| |
| ret = pci_enable_msi(ha->pdev); |
| if (!ret) { |
| ql_dbg(ql_dbg_init, vha, 0x0038, |
| "MSI: Enabled.\n"); |
| ha->flags.msi_enabled = 1; |
| } else |
| ql_log(ql_log_warn, vha, 0x0039, |
| "MSI-X; Falling back-to INTa mode -- %d.\n", ret); |
| skip_msi: |
| |
| 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; |
| } |
| |
| clear_risc_ints: |
| |
| /* |
| * FIXME: Noted that 8014s were being dropped during NK testing. |
| * Timing deltas during MSI-X/INTa transitions? |
| */ |
| if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA83XX(ha)) |
| goto fail; |
| spin_lock_irq(&ha->hardware_lock); |
| if (IS_FWI2_CAPABLE(ha)) { |
| WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); |
| WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); |
| } else { |
| WRT_REG_WORD(®->isp.semaphore, 0); |
| WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); |
| WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); |
| } |
| 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 = ha->rsp_q_map[0]; |
| |
| if (ha->flags.msix_enabled) |
| qla24xx_disable_msix(ha); |
| else if (ha->flags.msi_enabled) { |
| free_irq(ha->pdev->irq, rsp); |
| pci_disable_msi(ha->pdev); |
| } else |
| free_irq(ha->pdev->irq, rsp); |
| } |
| |
| |
| int qla25xx_request_irq(struct rsp_que *rsp) |
| { |
| struct qla_hw_data *ha = rsp->hw; |
| struct qla_init_msix_entry *intr = &msix_entries[2]; |
| struct qla_msix_entry *msix = rsp->msix; |
| scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); |
| int ret; |
| |
| ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); |
| 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->rsp = rsp; |
| return ret; |
| } |