diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 155 |
1 files changed, 109 insertions, 46 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index f0ec13d48bf3..2c6c2cd5a0d0 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -59,6 +59,7 @@ static struct rom_cmd { { MBC_IOCB_COMMAND_A64 }, { MBC_GET_ADAPTER_LOOP_ID }, { MBC_READ_SFP }, + { MBC_GET_RNID_PARAMS }, }; static int is_rom_cmd(uint16_t cmd) @@ -110,6 +111,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) unsigned long wait_time; struct qla_hw_data *ha = vha->hw; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + u32 chip_reset; ql_dbg(ql_dbg_mbx, vha, 0x1000, "Entered %s.\n", __func__); @@ -140,7 +142,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) rval = QLA_SUCCESS; abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); - + chip_reset = ha->chip_reset; if (ha->flags.pci_channel_io_perm_failure) { ql_log(ql_log_warn, vha, 0x1003, @@ -167,6 +169,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) return QLA_FUNCTION_TIMEOUT; } + atomic_inc(&ha->num_pend_mbx_stage1); /* * Wait for active mailbox commands to finish by waiting at most tov * seconds. This is to serialize actual issuing of mailbox cmds during @@ -177,8 +180,14 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) ql_log(ql_log_warn, vha, 0xd035, "Cmd access timeout, cmd=0x%x, Exiting.\n", mcp->mb[0]); + atomic_dec(&ha->num_pend_mbx_stage1); return QLA_FUNCTION_TIMEOUT; } + atomic_dec(&ha->num_pend_mbx_stage1); + if (ha->flags.purge_mbox || chip_reset != ha->chip_reset) { + rval = QLA_ABORTED; + goto premature_exit; + } ha->flags.mbox_busy = 1; /* Save mailbox command for debug */ @@ -189,6 +198,13 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) spin_lock_irqsave(&ha->hardware_lock, flags); + if (ha->flags.purge_mbox || chip_reset != ha->chip_reset) { + rval = QLA_ABORTED; + ha->flags.mbox_busy = 0; + spin_unlock_irqrestore(&ha->hardware_lock, flags); + goto premature_exit; + } + /* Load mailbox registers. */ if (IS_P3P_TYPE(ha)) optr = (uint16_t __iomem *)®->isp82.mailbox_in[0]; @@ -231,7 +247,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) "jiffies=%lx.\n", jiffies); /* Wait for mbx cmd completion until timeout */ - + atomic_inc(&ha->num_pend_mbx_stage2); if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) { set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); @@ -241,6 +257,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) spin_unlock_irqrestore(&ha->hardware_lock, flags); ha->flags.mbox_busy = 0; + atomic_dec(&ha->num_pend_mbx_stage2); ql_dbg(ql_dbg_mbx, vha, 0x1010, "Pending mailbox timeout, exiting.\n"); rval = QLA_FUNCTION_TIMEOUT; @@ -254,6 +271,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) spin_unlock_irqrestore(&ha->hardware_lock, flags); wait_time = jiffies; + atomic_inc(&ha->num_pend_mbx_stage3); if (!wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ)) { ql_dbg(ql_dbg_mbx, vha, 0x117a, @@ -261,7 +279,17 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) spin_lock_irqsave(&ha->hardware_lock, flags); clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); spin_unlock_irqrestore(&ha->hardware_lock, flags); + + } else if (ha->flags.purge_mbox || + chip_reset != ha->chip_reset) { + ha->flags.mbox_busy = 0; + atomic_dec(&ha->num_pend_mbx_stage2); + atomic_dec(&ha->num_pend_mbx_stage3); + rval = QLA_ABORTED; + goto premature_exit; } + atomic_dec(&ha->num_pend_mbx_stage3); + if (time_after(jiffies, wait_time + 5 * HZ)) ql_log(ql_log_warn, vha, 0x1015, "cmd=0x%x, waited %d msecs\n", command, jiffies_to_msecs(jiffies - wait_time)); @@ -275,6 +303,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) spin_unlock_irqrestore(&ha->hardware_lock, flags); ha->flags.mbox_busy = 0; + atomic_dec(&ha->num_pend_mbx_stage2); ql_dbg(ql_dbg_mbx, vha, 0x1012, "Pending mailbox timeout, exiting.\n"); rval = QLA_FUNCTION_TIMEOUT; @@ -289,6 +318,14 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */ while (!ha->flags.mbox_int) { + if (ha->flags.purge_mbox || + chip_reset != ha->chip_reset) { + ha->flags.mbox_busy = 0; + atomic_dec(&ha->num_pend_mbx_stage2); + rval = QLA_ABORTED; + goto premature_exit; + } + if (time_after(jiffies, wait_time)) break; @@ -312,6 +349,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) "Waited %d sec.\n", (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ)); } + atomic_dec(&ha->num_pend_mbx_stage2); /* Check whether we timed out */ if (ha->flags.mbox_int) { @@ -390,7 +428,8 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) /* Capture FW dump only, if PCI device active */ if (!pci_channel_offline(vha->hw->pdev)) { pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); - if (w == 0xffff || ictrl == 0xffffffff) { + if (w == 0xffff || ictrl == 0xffffffff || + (chip_reset != ha->chip_reset)) { /* This is special case if there is unload * of driver happening and if PCI device go * into bad state due to PCI error condition @@ -497,7 +536,11 @@ premature_exit: complete(&ha->mbx_cmd_comp); mbx_done: - if (rval) { + if (rval == QLA_ABORTED) { + ql_log(ql_log_info, vha, 0xd035, + "Chip Reset in progress. Purging Mbox cmd=0x%x.\n", + mcp->mb[0]); + } else if (rval) { if (ql2xextended_error_logging & (ql_dbg_disc|ql_dbg_mbx)) { pr_warn("%s [%s]-%04x:%ld: **** Failed", QL_MSGHDR, dev_name(&ha->pdev->dev), 0x1020+0x800, @@ -2177,7 +2220,10 @@ qla2x00_lip_reset(scsi_qla_host_t *vha) mcp->out_mb = MBX_2|MBX_1|MBX_0; } else if (IS_FWI2_CAPABLE(vha->hw)) { mcp->mb[0] = MBC_LIP_FULL_LOGIN; - mcp->mb[1] = BIT_6; + if (N2N_TOPO(vha->hw)) + mcp->mb[1] = BIT_4; /* re-init */ + else + mcp->mb[1] = BIT_6; /* LIP */ mcp->mb[2] = 0; mcp->mb[3] = vha->hw->loop_reset_delay; mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0; @@ -3797,30 +3843,68 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, "Format 1: WWPN %8phC.\n", vha->port_name); - /* N2N. direct connect */ - if (IS_QLA27XX(ha) && - ((rptid_entry->u.f1.flags>>1) & 0x7) == 2) { - /* if our portname is higher then initiate N2N login */ - if (wwn_to_u64(vha->port_name) > - wwn_to_u64(rptid_entry->u.f1.port_name)) { - // ??? qlt_update_host_map(vha, id); - vha->n2n_id = 0x1; - ql_dbg(ql_dbg_async, vha, 0x5075, - "Format 1: Setting n2n_update_needed for id %d\n", - vha->n2n_id); + switch (rptid_entry->u.f1.flags & TOPO_MASK) { + case TOPO_N2N: + ha->current_topology = ISP_CFG_N; + spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); + fcport = qla2x00_find_fcport_by_wwpn(vha, + rptid_entry->u.f1.port_name, 1); + spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); + + if (fcport) { + fcport->plogi_nack_done_deadline = jiffies + HZ; + fcport->dm_login_expire = jiffies + 3*HZ; + fcport->scan_state = QLA_FCPORT_FOUND; + switch (fcport->disc_state) { + case DSC_DELETED: + set_bit(RELOGIN_NEEDED, + &vha->dpc_flags); + break; + case DSC_DELETE_PEND: + break; + default: + qlt_schedule_sess_for_deletion(fcport); + break; + } } else { - ql_dbg(ql_dbg_async, vha, 0x5075, - "Format 1: Remote login - Waiting for WWPN %8phC.\n", - rptid_entry->u.f1.port_name); + id.b24 = 0; + if (wwn_to_u64(vha->port_name) > + wwn_to_u64(rptid_entry->u.f1.port_name)) { + vha->d_id.b24 = 0; + vha->d_id.b.al_pa = 1; + ha->flags.n2n_bigger = 1; + + id.b.al_pa = 2; + ql_dbg(ql_dbg_async, vha, 0x5075, + "Format 1: assign local id %x remote id %x\n", + vha->d_id.b24, id.b24); + } else { + ql_dbg(ql_dbg_async, vha, 0x5075, + "Format 1: Remote login - Waiting for WWPN %8phC.\n", + rptid_entry->u.f1.port_name); + ha->flags.n2n_bigger = 0; + } + qla24xx_post_newsess_work(vha, &id, + rptid_entry->u.f1.port_name, + rptid_entry->u.f1.node_name, + NULL, + FC4_TYPE_UNKNOWN); } - memcpy(vha->n2n_port_name, rptid_entry->u.f1.port_name, - WWN_SIZE); + /* if our portname is higher then initiate N2N login */ + set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags); - set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); - set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); ha->flags.n2n_ae = 1; return; + break; + case TOPO_FL: + ha->current_topology = ISP_CFG_FL; + break; + case TOPO_F: + ha->current_topology = ISP_CFG_F; + break; + default: + break; } ha->flags.gpsc_supported = 1; @@ -3909,30 +3993,9 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, rptid_entry->u.f2.port_name, 1); if (fcport) { + fcport->login_retry = vha->hw->login_retry_count; fcport->plogi_nack_done_deadline = jiffies + HZ; fcport->scan_state = QLA_FCPORT_FOUND; - switch (fcport->disc_state) { - case DSC_DELETED: - ql_dbg(ql_dbg_disc, vha, 0x210d, - "%s %d %8phC login\n", - __func__, __LINE__, fcport->port_name); - qla24xx_fcport_handle_login(vha, fcport); - break; - case DSC_DELETE_PEND: - break; - default: - qlt_schedule_sess_for_deletion(fcport); - break; - } - } else { - id.b.al_pa = rptid_entry->u.f2.remote_nport_id[0]; - id.b.area = rptid_entry->u.f2.remote_nport_id[1]; - id.b.domain = rptid_entry->u.f2.remote_nport_id[2]; - qla24xx_post_newsess_work(vha, &id, - rptid_entry->u.f2.port_name, - rptid_entry->u.f2.node_name, - NULL, - FC4_TYPE_UNKNOWN); } } } @@ -4663,7 +4726,7 @@ qla24xx_get_port_login_templ(scsi_qla_host_t *vha, dma_addr_t buf_dma, "Done %s.\n", __func__); bp = (uint32_t *) buf; for (i = 0; i < (bufsiz-4)/4; i++, bp++) - *bp = cpu_to_be32(*bp); + *bp = le32_to_cpu(*bp); } return rval; |