/* * QLogic Fibre Channel HBA Driver * Copyright (c) 2003-2012 QLogic Corporation * * See LICENSE.qla2xxx for copyright and licensing details. */ #include "qla_def.h" #include #include #include #include #include #include #include #include #include #include #include #include "qla_target.h" /* * Driver version */ char qla2x00_version_str[40]; static int apidev_major; /* * SRB allocation cache */ static struct kmem_cache *srb_cachep; /* * CT6 CTX allocation cache */ static struct kmem_cache *ctx_cachep; /* * error level for logging */ int ql_errlev = ql_log_all; int ql2xenableclass2; module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR); MODULE_PARM_DESC(ql2xenableclass2, "Specify if Class 2 operations are supported from the very " "beginning. Default is 0 - class 2 not supported."); int ql2xlogintimeout = 20; module_param(ql2xlogintimeout, int, S_IRUGO); MODULE_PARM_DESC(ql2xlogintimeout, "Login timeout value in seconds."); int qlport_down_retry; module_param(qlport_down_retry, int, S_IRUGO); MODULE_PARM_DESC(qlport_down_retry, "Maximum number of command retries to a port that returns " "a PORT-DOWN status."); int ql2xplogiabsentdevice; module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xplogiabsentdevice, "Option to enable PLOGI to devices that are not present after " "a Fabric scan. This is needed for several broken switches. " "Default is 0 - no PLOGI. 1 - perfom PLOGI."); int ql2xloginretrycount = 0; module_param(ql2xloginretrycount, int, S_IRUGO); MODULE_PARM_DESC(ql2xloginretrycount, "Specify an alternate value for the NVRAM login retry count."); int ql2xallocfwdump = 1; module_param(ql2xallocfwdump, int, S_IRUGO); MODULE_PARM_DESC(ql2xallocfwdump, "Option to enable allocation of memory for a firmware dump " "during HBA initialization. Memory allocation requirements " "vary by ISP type. Default is 1 - allocate memory."); int ql2xextended_error_logging; module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xextended_error_logging, "Option to enable extended error logging,\n" "\t\tDefault is 0 - no logging. 0x40000000 - Module Init & Probe.\n" "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n" "\t\t0x08000000 - IO tracing. 0x04000000 - DPC Thread.\n" "\t\t0x02000000 - Async events. 0x01000000 - Timer routines.\n" "\t\t0x00800000 - User space. 0x00400000 - Task Management.\n" "\t\t0x00200000 - AER/EEH. 0x00100000 - Multi Q.\n" "\t\t0x00080000 - P3P Specific. 0x00040000 - Virtual Port.\n" "\t\t0x00020000 - Buffer Dump. 0x00010000 - Misc.\n" "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n" "\t\t0x1e400000 - Preferred value for capturing essential " "debug information (equivalent to old " "ql2xextended_error_logging=1).\n" "\t\tDo LOGICAL OR of the value to enable more than one level"); int ql2xshiftctondsd = 6; module_param(ql2xshiftctondsd, int, S_IRUGO); MODULE_PARM_DESC(ql2xshiftctondsd, "Set to control shifting of command type processing " "based on total number of SG elements."); static void qla2x00_free_device(scsi_qla_host_t *); int ql2xfdmienable=1; module_param(ql2xfdmienable, int, S_IRUGO); MODULE_PARM_DESC(ql2xfdmienable, "Enables FDMI registrations. " "0 - no FDMI. Default is 1 - perform FDMI."); #define MAX_Q_DEPTH 32 static int ql2xmaxqdepth = MAX_Q_DEPTH; module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xmaxqdepth, "Maximum queue depth to report for target devices."); /* Do not change the value of this after module load */ int ql2xenabledif = 0; module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xenabledif, " Enable T10-CRC-DIF " " Default is 0 - No DIF Support. 1 - Enable it" ", 2 - Enable DIF for all types, except Type 0."); int ql2xenablehba_err_chk = 2; module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xenablehba_err_chk, " Enable T10-CRC-DIF Error isolation by HBA:\n" " Default is 1.\n" " 0 -- Error isolation disabled\n" " 1 -- Error isolation enabled only for DIX Type 0\n" " 2 -- Error isolation enabled for all Types\n"); int ql2xiidmaenable=1; module_param(ql2xiidmaenable, int, S_IRUGO); MODULE_PARM_DESC(ql2xiidmaenable, "Enables iIDMA settings " "Default is 1 - perform iIDMA. 0 - no iIDMA."); int ql2xmaxqueues = 1; module_param(ql2xmaxqueues, int, S_IRUGO); MODULE_PARM_DESC(ql2xmaxqueues, "Enables MQ settings " "Default is 1 for single queue. Set it to number " "of queues in MQ mode."); int ql2xmultique_tag; module_param(ql2xmultique_tag, int, S_IRUGO); MODULE_PARM_DESC(ql2xmultique_tag, "Enables CPU affinity settings for the driver " "Default is 0 for no affinity of request and response IO. " "Set it to 1 to turn on the cpu affinity."); int ql2xfwloadbin; module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xfwloadbin, "Option to specify location from which to load ISP firmware:.\n" " 2 -- load firmware via the request_firmware() (hotplug).\n" " interface.\n" " 1 -- load firmware from flash.\n" " 0 -- use default semantics.\n"); int ql2xetsenable; module_param(ql2xetsenable, int, S_IRUGO); MODULE_PARM_DESC(ql2xetsenable, "Enables firmware ETS burst." "Default is 0 - skip ETS enablement."); int ql2xdbwr = 1; module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xdbwr, "Option to specify scheme for request queue posting.\n" " 0 -- Regular doorbell.\n" " 1 -- CAMRAM doorbell (faster).\n"); int ql2xtargetreset = 1; module_param(ql2xtargetreset, int, S_IRUGO); MODULE_PARM_DESC(ql2xtargetreset, "Enable target reset." "Default is 1 - use hw defaults."); int ql2xgffidenable; module_param(ql2xgffidenable, int, S_IRUGO); MODULE_PARM_DESC(ql2xgffidenable, "Enables GFF_ID checks of port type. " "Default is 0 - Do not use GFF_ID information."); int ql2xasynctmfenable; module_param(ql2xasynctmfenable, int, S_IRUGO); MODULE_PARM_DESC(ql2xasynctmfenable, "Enables issue of TM IOCBs asynchronously via IOCB mechanism" "Default is 0 - Issue TM IOCBs via mailbox mechanism."); int ql2xdontresethba; module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xdontresethba, "Option to specify reset behaviour.\n" " 0 (Default) -- Reset on failure.\n" " 1 -- Do not reset on failure.\n"); uint ql2xmaxlun = MAX_LUNS; module_param(ql2xmaxlun, uint, S_IRUGO); MODULE_PARM_DESC(ql2xmaxlun, "Defines the maximum LU number to register with the SCSI " "midlayer. Default is 65535."); int ql2xmdcapmask = 0x1F; module_param(ql2xmdcapmask, int, S_IRUGO); MODULE_PARM_DESC(ql2xmdcapmask, "Set the Minidump driver capture mask level. " "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F."); int ql2xmdenable = 1; module_param(ql2xmdenable, int, S_IRUGO); MODULE_PARM_DESC(ql2xmdenable, "Enable/disable MiniDump. " "0 - MiniDump disabled. " "1 (Default) - MiniDump enabled."); /* * SCSI host template entry points */ static int qla2xxx_slave_configure(struct scsi_device * device); static int qla2xxx_slave_alloc(struct scsi_device *); static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); static void qla2xxx_scan_start(struct Scsi_Host *); static void qla2xxx_slave_destroy(struct scsi_device *); static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); static int qla2xxx_eh_abort(struct scsi_cmnd *); static int qla2xxx_eh_device_reset(struct scsi_cmnd *); static int qla2xxx_eh_target_reset(struct scsi_cmnd *); static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); static int qla2xxx_eh_host_reset(struct scsi_cmnd *); static int qla2x00_change_queue_depth(struct scsi_device *, int, int); static int qla2x00_change_queue_type(struct scsi_device *, int); struct scsi_host_template qla2xxx_driver_template = { .module = THIS_MODULE, .name = QLA2XXX_DRIVER_NAME, .queuecommand = qla2xxx_queuecommand, .eh_abort_handler = qla2xxx_eh_abort, .eh_device_reset_handler = qla2xxx_eh_device_reset, .eh_target_reset_handler = qla2xxx_eh_target_reset, .eh_bus_reset_handler = qla2xxx_eh_bus_reset, .eh_host_reset_handler = qla2xxx_eh_host_reset, .slave_configure = qla2xxx_slave_configure, .slave_alloc = qla2xxx_slave_alloc, .slave_destroy = qla2xxx_slave_destroy, .scan_finished = qla2xxx_scan_finished, .scan_start = qla2xxx_scan_start, .change_queue_depth = qla2x00_change_queue_depth, .change_queue_type = qla2x00_change_queue_type, .this_id = -1, .cmd_per_lun = 3, .use_clustering = ENABLE_CLUSTERING, .sg_tablesize = SG_ALL, .max_sectors = 0xFFFF, .shost_attrs = qla2x00_host_attrs, .supported_mode = MODE_INITIATOR, }; static struct scsi_transport_template *qla2xxx_transport_template = NULL; struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; /* TODO Convert to inlines * * Timer routines */ __inline__ void qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval) { init_timer(&vha->timer); vha->timer.expires = jiffies + interval * HZ; vha->timer.data = (unsigned long)vha; vha->timer.function = (void (*)(unsigned long))func; add_timer(&vha->timer); vha->timer_active = 1; } static inline void qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval) { /* Currently used for 82XX only. */ if (vha->device_flags & DFLG_DEV_FAILED) { ql_dbg(ql_dbg_timer, vha, 0x600d, "Device in a failed state, returning.\n"); return; } mod_timer(&vha->timer, jiffies + interval * HZ); } static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *vha) { del_timer_sync(&vha->timer); vha->timer_active = 0; } static int qla2x00_do_dpc(void *data); static void qla2x00_rst_aen(scsi_qla_host_t *); static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t, struct req_que **, struct rsp_que **); static void qla2x00_free_fw_dump(struct qla_hw_data *); static void qla2x00_mem_free(struct qla_hw_data *); /* -------------------------------------------------------------------------- */ static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req, struct rsp_que *rsp) { scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues, GFP_KERNEL); if (!ha->req_q_map) { ql_log(ql_log_fatal, vha, 0x003b, "Unable to allocate memory for request queue ptrs.\n"); goto fail_req_map; } ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues, GFP_KERNEL); if (!ha->rsp_q_map) { ql_log(ql_log_fatal, vha, 0x003c, "Unable to allocate memory for response queue ptrs.\n"); goto fail_rsp_map; } /* * Make sure we record at least the request and response queue zero in * case we need to free them if part of the probe fails. */ ha->rsp_q_map[0] = rsp; ha->req_q_map[0] = req; set_bit(0, ha->rsp_qid_map); set_bit(0, ha->req_qid_map); return 1; fail_rsp_map: kfree(ha->req_q_map); ha->req_q_map = NULL; fail_req_map: return -ENOMEM; } static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) { if (req && req->ring) dma_free_coherent(&ha->pdev->dev, (req->length + 1) * sizeof(request_t), req->ring, req->dma); kfree(req); req = NULL; } static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) { if (rsp && rsp->ring) dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) * sizeof(response_t), rsp->ring, rsp->dma); kfree(rsp); rsp = NULL; } static void qla2x00_free_queues(struct qla_hw_data *ha) { struct req_que *req; struct rsp_que *rsp; int cnt; for (cnt = 0; cnt < ha->max_req_queues; cnt++) { req = ha->req_q_map[cnt]; qla2x00_free_req_que(ha, req); } kfree(ha->req_q_map); ha->req_q_map = NULL; for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) { rsp = ha->rsp_q_map[cnt]; qla2x00_free_rsp_que(ha, rsp); } kfree(ha->rsp_q_map); ha->rsp_q_map = NULL; } static int qla25xx_setup_mode(struct scsi_qla_host *vha) { uint16_t options = 0; int ques, req, ret; struct qla_hw_data *ha = vha->hw; if (!(ha->fw_attributes & BIT_6)) { ql_log(ql_log_warn, vha, 0x00d8, "Firmware is not multi-queue capable.\n"); goto fail; } if (ql2xmultique_tag) { /* create a request queue for IO */ options |= BIT_7; req = qla25xx_create_req_que(ha, options, 0, 0, -1, QLA_DEFAULT_QUE_QOS); if (!req) { ql_log(ql_log_warn, vha, 0x00e0, "Failed to create request queue.\n"); goto fail; } ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1); vha->req = ha->req_q_map[req]; options |= BIT_1; for (ques = 1; ques < ha->max_rsp_queues; ques++) { ret = qla25xx_create_rsp_que(ha, options, 0, 0, req); if (!ret) { ql_log(ql_log_warn, vha, 0x00e8, "Failed to create response queue.\n"); goto fail2; } } ha->flags.cpu_affinity_enabled = 1; ql_dbg(ql_dbg_multiq, vha, 0xc007, "CPU affinity mode enalbed, " "no. of response queues:%d no. of request queues:%d.\n", ha->max_rsp_queues, ha->max_req_queues); ql_dbg(ql_dbg_init, vha, 0x00e9, "CPU affinity mode enalbed, " "no. of response queues:%d no. of request queues:%d.\n", ha->max_rsp_queues, ha->max_req_queues); } return 0; fail2: qla25xx_delete_queues(vha); destroy_workqueue(ha->wq); ha->wq = NULL; vha->req = ha->req_q_map[0]; fail: ha->mqenable = 0; kfree(ha->req_q_map); kfree(ha->rsp_q_map); ha->max_req_queues = ha->max_rsp_queues = 1; return 1; } static char * qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str) { struct qla_hw_data *ha = vha->hw; static char *pci_bus_modes[] = { "33", "66", "100", "133", }; uint16_t pci_bus; strcpy(str, "PCI"); pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; if (pci_bus) { strcat(str, "-X ("); strcat(str, pci_bus_modes[pci_bus]); } else { pci_bus = (ha->pci_attr & BIT_8) >> 8; strcat(str, " ("); strcat(str, pci_bus_modes[pci_bus]); } strcat(str, " MHz)"); return (str); } static char * qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str) { static char *pci_bus_modes[] = { "33", "66", "100", "133", }; struct qla_hw_data *ha = vha->hw; uint32_t pci_bus; int pcie_reg; pcie_reg = pci_pcie_cap(ha->pdev); if (pcie_reg) { char lwstr[6]; uint16_t pcie_lstat, lspeed, lwidth; pcie_reg += PCI_EXP_LNKCAP; pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); lwidth = (pcie_lstat & (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; strcpy(str, "PCIe ("); if (lspeed == 1) strcat(str, "2.5GT/s "); else if (lspeed == 2) strcat(str, "5.0GT/s "); else strcat(str, " "); snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); strcat(str, lwstr); return str; } strcpy(str, "PCI"); pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; if (pci_bus == 0 || pci_bus == 8) { strcat(str, " ("); strcat(str, pci_bus_modes[pci_bus >> 3]); } else { strcat(str, "-X "); if (pci_bus & BIT_2) strcat(str, "Mode 2"); else strcat(str, "Mode 1"); strcat(str, " ("); strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); } strcat(str, " MHz)"); return str; } static char * qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str) { char un_str[10]; struct qla_hw_data *ha = vha->hw; sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, ha->fw_minor_version, ha->fw_subminor_version); if (ha->fw_attributes & BIT_9) { strcat(str, "FLX"); return (str); } switch (ha->fw_attributes & 0xFF) { case 0x7: strcat(str, "EF"); break; case 0x17: strcat(str, "TP"); break; case 0x37: strcat(str, "IP"); break; case 0x77: strcat(str, "VI"); break; default: sprintf(un_str, "(%x)", ha->fw_attributes); strcat(str, un_str); break; } if (ha->fw_attributes & 0x100) strcat(str, "X"); return (str); } static char * qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str) { struct qla_hw_data *ha = vha->hw; sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version, ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes); return str; } void qla2x00_sp_free_dma(void *vha, void *ptr) { srb_t *sp = (srb_t *)ptr; struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct qla_hw_data *ha = sp->fcport->vha->hw; void *ctx = GET_CMD_CTX_SP(sp); if (sp->flags & SRB_DMA_VALID) { scsi_dma_unmap(cmd); sp->flags &= ~SRB_DMA_VALID; } if (sp->flags & SRB_CRC_PROT_DMA_VALID) { dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), scsi_prot_sg_count(cmd), cmd->sc_data_direction); sp->flags &= ~SRB_CRC_PROT_DMA_VALID; } if (sp->flags & SRB_CRC_CTX_DSD_VALID) { /* List assured to be having elements */ qla2x00_clean_dsd_pool(ha, sp); sp->flags &= ~SRB_CRC_CTX_DSD_VALID; } if (sp->flags & SRB_CRC_CTX_DMA_VALID) { dma_pool_free(ha->dl_dma_pool, ctx, ((struct crc_context *)ctx)->crc_ctx_dma); sp->flags &= ~SRB_CRC_CTX_DMA_VALID; } if (sp->flags & SRB_FCP_CMND_DMA_VALID) { struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx; dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd, ctx1->fcp_cmnd_dma); list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list); ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt; ha->gbl_dsd_avail += ctx1->dsd_use_cnt; mempool_free(ctx1, ha->ctx_mempool); ctx1 = NULL; } CMD_SP(cmd) = NULL; mempool_free(sp, ha->srb_mempool); } static void qla2x00_sp_compl(void *data, void *ptr, int res) { struct qla_hw_data *ha = (struct qla_hw_data *)data; srb_t *sp = (srb_t *)ptr; struct scsi_cmnd *cmd = GET_CMD_SP(sp); cmd->result = res; if (atomic_read(&sp->ref_count) == 0) { ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015, "SP reference-count to ZERO -- sp=%p cmd=%p.\n", sp, GET_CMD_SP(sp)); if (ql2xextended_error_logging & ql_dbg_io) BUG(); return; } if (!atomic_dec_and_test(&sp->ref_count)) return; qla2x00_sp_free_dma(ha, sp); cmd->scsi_done(cmd); } static int qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) { scsi_qla_host_t *vha = shost_priv(host); fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); srb_t *sp; int rval; if (ha->flags.eeh_busy) { if (ha->flags.pci_channel_io_perm_failure) { ql_dbg(ql_dbg_aer, vha, 0x9010, "PCI Channel IO permanent failure, exiting " "cmd=%p.\n", cmd); cmd->result = DID_NO_CONNECT << 16; } else { ql_dbg(ql_dbg_aer, vha, 0x9011, "EEH_Busy, Requeuing the cmd=%p.\n", cmd); cmd->result = DID_REQUEUE << 16; } goto qc24_fail_command; } rval = fc_remote_port_chkready(rport); if (rval) { cmd->result = rval; ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003, "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n", cmd, rval); goto qc24_fail_command; } if (!vha->flags.difdix_supported && scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { ql_dbg(ql_dbg_io, vha, 0x3004, "DIF Cap not reg, fail DIF capable cmd's:%p.\n", cmd); cmd->result = DID_NO_CONNECT << 16; goto qc24_fail_command; } if (!fcport) { cmd->result = DID_NO_CONNECT << 16; goto qc24_fail_command; } if (atomic_read(&fcport->state) != FCS_ONLINE) { if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || atomic_read(&base_vha->loop_state) == LOOP_DEAD) { ql_dbg(ql_dbg_io, vha, 0x3005, "Returning DNC, fcport_state=%d loop_state=%d.\n", atomic_read(&fcport->state), atomic_read(&base_vha->loop_state)); cmd->result = DID_NO_CONNECT << 16; goto qc24_fail_command; } goto qc24_target_busy; } sp = qla2x00_get_sp(base_vha, fcport, GFP_ATOMIC); if (!sp) goto qc24_host_busy; sp->u.scmd.cmd = cmd; sp->type = SRB_SCSI_CMD; atomic_set(&sp->ref_count, 1); CMD_SP(cmd) = (void *)sp; sp->free = qla2x00_sp_free_dma; sp->done = qla2x00_sp_compl; rval = ha->isp_ops->start_scsi(sp); if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_io, vha, 0x3013, "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd); goto qc24_host_busy_free_sp; } return 0; qc24_host_busy_free_sp: qla2x00_sp_free_dma(ha, sp); qc24_host_busy: return SCSI_MLQUEUE_HOST_BUSY; qc24_target_busy: return SCSI_MLQUEUE_TARGET_BUSY; qc24_fail_command: cmd->scsi_done(cmd); return 0; } /* * qla2x00_eh_wait_on_command * Waits for the command to be returned by the Firmware for some * max time. * * Input: * cmd = Scsi Command to wait on. * * Return: * Not Found : 0 * Found : 1 */ static int qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) { #define ABORT_POLLING_PERIOD 1000 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) unsigned long wait_iter = ABORT_WAIT_ITER; scsi_qla_host_t *vha = shost_priv(cmd->device->host); struct qla_hw_data *ha = vha->hw; int ret = QLA_SUCCESS; if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) { ql_dbg(ql_dbg_taskm, vha, 0x8005, "Return:eh_wait.\n"); return ret; } while (CMD_SP(cmd) && wait_iter--) { msleep(ABORT_POLLING_PERIOD); } if (CMD_SP(cmd)) ret = QLA_FUNCTION_FAILED; return ret; } /* * qla2x00_wait_for_hba_online * Wait till the HBA is online after going through * <= MAX_RETRIES_OF_ISP_ABORT or * finally HBA is disabled ie marked offline * * Input: * ha - pointer to host adapter structure * * Note: * Does context switching-Release SPIN_LOCK * (if any) before calling this routine. * * Return: * Success (Adapter is online) : 0 * Failed (Adapter is offline/disabled) : 1 */ int qla2x00_wait_for_hba_online(scsi_qla_host_t *vha) { int return_status; unsigned long wait_online; struct qla_hw_data *ha = vha->hw; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || ha->dpc_active) && time_before(jiffies, wait_online)) { msleep(1000); } if (base_vha->flags.online) return_status = QLA_SUCCESS; else return_status = QLA_FUNCTION_FAILED; return (return_status); } /* * qla2x00_wait_for_reset_ready * Wait till the HBA is online after going through * <= MAX_RETRIES_OF_ISP_ABORT or * finally HBA is disabled ie marked offline or flash * operations are in progress. * * Input: * ha - pointer to host adapter structure * * Note: * Does context switching-Release SPIN_LOCK * (if any) before calling this routine. * * Return: * Success (Adapter is online/no flash ops) : 0 * Failed (Adapter is offline/disabled/flash ops in progress) : 1 */ static int qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha) { int return_status; unsigned long wait_online; struct qla_hw_data *ha = vha->hw; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || ha->optrom_state != QLA_SWAITING || ha->dpc_active) && time_before(jiffies, wait_online)) msleep(1000); if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING) return_status = QLA_SUCCESS; else return_status = QLA_FUNCTION_FAILED; ql_dbg(ql_dbg_taskm, vha, 0x8019, "%s return status=%d.\n", __func__, return_status); return return_status; } int qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha) { int return_status; unsigned long wait_reset; struct qla_hw_data *ha = vha->hw; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || ha->dpc_active) && time_before(jiffies, wait_reset)) { msleep(1000); if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) && ha->flags.chip_reset_done) break; } if (ha->flags.chip_reset_done) return_status = QLA_SUCCESS; else return_status = QLA_FUNCTION_FAILED; return return_status; } static void sp_get(struct srb *sp) { atomic_inc(&sp->ref_count); } /************************************************************************** * qla2xxx_eh_abort * * Description: * The abort function will abort the specified command. * * Input: * cmd = Linux SCSI command packet to be aborted. * * Returns: * Either SUCCESS or FAILED. * * Note: * Only return FAILED if command not returned by firmware. **************************************************************************/ static int qla2xxx_eh_abort(struct scsi_cmnd *cmd) { scsi_qla_host_t *vha = shost_priv(cmd->device->host); srb_t *sp; int ret; unsigned int id, lun; unsigned long flags; int wait = 0; struct qla_hw_data *ha = vha->hw; if (!CMD_SP(cmd)) return SUCCESS; ret = fc_block_scsi_eh(cmd); if (ret != 0) return ret; ret = SUCCESS; id = cmd->device->id; lun = cmd->device->lun; spin_lock_irqsave(&ha->hardware_lock, flags); sp = (srb_t *) CMD_SP(cmd); if (!sp) { spin_unlock_irqrestore(&ha->hardware_lock, flags); return SUCCESS; } ql_dbg(ql_dbg_taskm, vha, 0x8002, "Aborting from RISC nexus=%ld:%d:%d sp=%p cmd=%p\n", vha->host_no, id, lun, sp, cmd); /* Get a reference to the sp and drop the lock.*/ sp_get(sp); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (ha->isp_ops->abort_command(sp)) { ret = FAILED; ql_dbg(ql_dbg_taskm, vha, 0x8003, "Abort command mbx failed cmd=%p.\n", cmd); } else { ql_dbg(ql_dbg_taskm, vha, 0x8004, "Abort command mbx success cmd=%p.\n", cmd); wait = 1; } spin_lock_irqsave(&ha->hardware_lock, flags); sp->done(ha, sp, 0); spin_unlock_irqrestore(&ha->hardware_lock, flags); /* Did the command return during mailbox execution? */ if (ret == FAILED && !CMD_SP(cmd)) ret = SUCCESS; /* Wait for the command to be returned. */ if (wait) { if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x8006, "Abort handler timed out cmd=%p.\n", cmd); ret = FAILED; } } ql_log(ql_log_info, vha, 0x801c, "Abort command issued nexus=%ld:%d:%d -- %d %x.\n", vha->host_no, id, lun, wait, ret); return ret; } int qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, unsigned int l, enum nexus_wait_type type) { int cnt, match, status; unsigned long flags; struct qla_hw_data *ha = vha->hw; struct req_que *req; srb_t *sp; struct scsi_cmnd *cmd; status = QLA_SUCCESS; spin_lock_irqsave(&ha->hardware_lock, flags); req = vha->req; for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { sp = req->outstanding_cmds[cnt]; if (!sp) continue; if (sp->type != SRB_SCSI_CMD) continue; if (vha->vp_idx != sp->fcport->vha->vp_idx) continue; match = 0; cmd = GET_CMD_SP(sp); switch (type) { case WAIT_HOST: match = 1; break; case WAIT_TARGET: match = cmd->device->id == t; break; case WAIT_LUN: match = (cmd->device->id == t && cmd->device->lun == l); break; } if (!match) continue; spin_unlock_irqrestore(&ha->hardware_lock, flags); status = qla2x00_eh_wait_on_command(cmd); spin_lock_irqsave(&ha->hardware_lock, flags); } spin_unlock_irqrestore(&ha->hardware_lock, flags); return status; } static char *reset_errors[] = { "HBA not online", "HBA not ready", "Task management failed", "Waiting for command completions", }; static int __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int)) { scsi_qla_host_t *vha = shost_priv(cmd->device->host); fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; int err; if (!fcport) { return FAILED; } err = fc_block_scsi_eh(cmd); if (err != 0) return err; ql_log(ql_log_info, vha, 0x8009, "%s RESET ISSUED nexus=%ld:%d:%d cmd=%p.\n", name, vha->host_no, cmd->device->id, cmd->device->lun, cmd); err = 0; if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x800a, "Wait for hba online failed for cmd=%p.\n", cmd); goto eh_reset_failed; } err = 2; if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x800c, "do_reset failed for cmd=%p.\n", cmd); goto eh_reset_failed; } err = 3; if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, cmd->device->lun, type) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x800d, "wait for pending cmds failed for cmd=%p.\n", cmd); goto eh_reset_failed; } ql_log(ql_log_info, vha, 0x800e, "%s RESET SUCCEEDED nexus:%ld:%d:%d cmd=%p.\n", name, vha->host_no, cmd->device->id, cmd->device->lun, cmd); return SUCCESS; eh_reset_failed: ql_log(ql_log_info, vha, 0x800f, "%s RESET FAILED: %s nexus=%ld:%d:%d cmd=%p.\n", name, reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun, cmd); return FAILED; } static int qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *vha = shost_priv(cmd->device->host); struct qla_hw_data *ha = vha->hw; return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd, ha->isp_ops->lun_reset); } static int qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *vha = shost_priv(cmd->device->host); struct qla_hw_data *ha = vha->hw; return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd, ha->isp_ops->target_reset); } /************************************************************************** * qla2xxx_eh_bus_reset * * Description: * The bus reset function will reset the bus and abort any executing * commands. * * Input: * cmd = Linux SCSI command packet of the command that cause the * bus reset. * * Returns: * SUCCESS/FAILURE (defined as macro in scsi.h). * **************************************************************************/ static int qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *vha = shost_priv(cmd->device->host); fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; int ret = FAILED; unsigned int id, lun; id = cmd->device->id; lun = cmd->device->lun; if (!fcport) { return ret; } ret = fc_block_scsi_eh(cmd); if (ret != 0) return ret; ret = FAILED; ql_log(ql_log_info, vha, 0x8012, "BUS RESET ISSUED nexus=%ld:%d:%d.\n", vha->host_no, id, lun); if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { ql_log(ql_log_fatal, vha, 0x8013, "Wait for hba online failed board disabled.\n"); goto eh_bus_reset_done; } if (qla2x00_loop_reset(vha) == QLA_SUCCESS) ret = SUCCESS; if (ret == FAILED) goto eh_bus_reset_done; /* Flush outstanding commands. */ if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x8014, "Wait for pending commands failed.\n"); ret = FAILED; } eh_bus_reset_done: ql_log(ql_log_warn, vha, 0x802b, "BUS RESET %s nexus=%ld:%d:%d.\n", (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun); return ret; } /************************************************************************** * qla2xxx_eh_host_reset * * Description: * The reset function will reset the Adapter. * * Input: * cmd = Linux SCSI command packet of the command that cause the * adapter reset. * * Returns: * Either SUCCESS or FAILED. * * Note: **************************************************************************/ static int qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *vha = shost_priv(cmd->device->host); struct qla_hw_data *ha = vha->hw; int ret = FAILED; unsigned int id, lun; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); id = cmd->device->id; lun = cmd->device->lun; ql_log(ql_log_info, vha, 0x8018, "ADAPTER RESET ISSUED nexus=%ld:%d:%d.\n", vha->host_no, id, lun); if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS) goto eh_host_reset_lock; if (vha != base_vha) { if (qla2x00_vp_abort_isp(vha)) goto eh_host_reset_lock; } else { if (IS_QLA82XX(vha->hw)) { if (!qla82xx_fcoe_ctx_reset(vha)) { /* Ctx reset success */ ret = SUCCESS; goto eh_host_reset_lock; } /* fall thru if ctx reset failed */ } if (ha->wq) flush_workqueue(ha->wq); set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); if (ha->isp_ops->abort_isp(base_vha)) { clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); /* failed. schedule dpc to try */ set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x802a, "wait for hba online failed.\n"); goto eh_host_reset_lock; } } clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); } /* Waiting for command to be returned to OS.*/ if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) == QLA_SUCCESS) ret = SUCCESS; eh_host_reset_lock: ql_log(ql_log_info, vha, 0x8017, "ADAPTER RESET %s nexus=%ld:%d:%d.\n", (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun); return ret; } /* * qla2x00_loop_reset * Issue loop reset. * * Input: * ha = adapter block pointer. * * Returns: * 0 = success */ int qla2x00_loop_reset(scsi_qla_host_t *vha) { int ret; struct fc_port *fcport; struct qla_hw_data *ha = vha->hw; if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) { list_for_each_entry(fcport, &vha->vp_fcports, list) { if (fcport->port_type != FCT_TARGET) continue; ret = ha->isp_ops->target_reset(fcport, 0, 0); if (ret != QLA_SUCCESS) { ql_dbg(ql_dbg_taskm, vha, 0x802c, "Bus Reset failed: Target Reset=%d " "d_id=%x.\n", ret, fcport->d_id.b24); } } } if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) { ret = qla2x00_full_login_lip(vha); if (ret != QLA_SUCCESS) { ql_dbg(ql_dbg_taskm, vha, 0x802d, "full_login_lip=%d.\n", ret); } atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); qla2x00_mark_all_devices_lost(vha, 0); } if (ha->flags.enable_lip_reset) { ret = qla2x00_lip_reset(vha); if (ret != QLA_SUCCESS) ql_dbg(ql_dbg_taskm, vha, 0x802e, "lip_reset failed (%d).\n", ret); } /* Issue marker command only when we are going to start the I/O */ vha->marker_needed = 1; return QLA_SUCCESS; } void qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) { int que, cnt; unsigned long flags; srb_t *sp; struct qla_hw_data *ha = vha->hw; struct req_que *req; spin_lock_irqsave(&ha->hardware_lock, flags); for (que = 0; que < ha->max_req_queues; que++) { req = ha->req_q_map[que]; if (!req) continue; for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { sp = req->outstanding_cmds[cnt]; if (sp) { req->outstanding_cmds[cnt] = NULL; sp->done(vha, sp, res); } } } spin_unlock_irqrestore(&ha->hardware_lock, flags); } static int qla2xxx_slave_alloc(struct scsi_device *sdev) { struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); if (!rport || fc_remote_port_chkready(rport)) return -ENXIO; sdev->hostdata = *(fc_port_t **)rport->dd_data; return 0; } static int qla2xxx_slave_configure(struct scsi_device *sdev) { scsi_qla_host_t *vha = shost_priv(sdev->host); struct req_que *req = vha->req; if (sdev->tagged_supported) scsi_activate_tcq(sdev, req->max_q_depth); else scsi_deactivate_tcq(sdev, req->max_q_depth); return 0; } static void qla2xxx_slave_destroy(struct scsi_device *sdev) { sdev->hostdata = NULL; } static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth) { fc_port_t *fcport = (struct fc_port *) sdev->hostdata; if (!scsi_track_queue_full(sdev, qdepth)) return; ql_dbg(ql_dbg_io, fcport->vha, 0x3029, "Queue depth adjusted-down to %d for nexus=%ld:%d:%d.\n", sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun); } static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth) { fc_port_t *fcport = sdev->hostdata; struct scsi_qla_host *vha = fcport->vha; struct req_que *req = NULL; req = vha->req; if (!req) return; if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth) return; if (sdev->ordered_tags) scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth); else scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth); ql_dbg(ql_dbg_io, vha, 0x302a, "Queue depth adjusted-up to %d for nexus=%ld:%d:%d.\n", sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun); } static int qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) { switch (reason) { case SCSI_QDEPTH_DEFAULT: scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); break; case SCSI_QDEPTH_QFULL: qla2x00_handle_queue_full(sdev, qdepth); break; case SCSI_QDEPTH_RAMP_UP: qla2x00_adjust_sdev_qdepth_up(sdev, qdepth); break; default: return -EOPNOTSUPP; } return sdev->queue_depth; } static int qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) { if (sdev->tagged_supported) { scsi_set_tag_type(sdev, tag_type); if (tag_type) scsi_activate_tcq(sdev, sdev->queue_depth); else scsi_deactivate_tcq(sdev, sdev->queue_depth); } else tag_type = 0; return tag_type; } /** * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. * @ha: HA context * * At exit, the @ha's flags.enable_64bit_addressing set to indicated * supported addressing method. */ static void qla2x00_config_dma_addressing(struct qla_hw_data *ha) { /* Assume a 32bit DMA mask. */ ha->flags.enable_64bit_addressing = 0; if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) { /* Any upper-dword bits set? */ if (MSD(dma_get_required_mask(&ha->pdev->dev)) && !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { /* Ok, a 64bit DMA mask is applicable. */ ha->flags.enable_64bit_addressing = 1; ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; return; } } dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32)); pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32)); } static void qla2x00_enable_intrs(struct qla_hw_data *ha) { unsigned long flags = 0; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; spin_lock_irqsave(&ha->hardware_lock, flags); ha->interrupts_on = 1; /* enable risc and host interrupts */ WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); RD_REG_WORD(®->ictrl); spin_unlock_irqrestore(&ha->hardware_lock, flags); } static void qla2x00_disable_intrs(struct qla_hw_data *ha) { unsigned long flags = 0; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; spin_lock_irqsave(&ha->hardware_lock, flags); ha->interrupts_on = 0; /* disable risc and host interrupts */ WRT_REG_WORD(®->ictrl, 0); RD_REG_WORD(®->ictrl); spin_unlock_irqrestore(&ha->hardware_lock, flags); } static void qla24xx_enable_intrs(struct qla_hw_data *ha) { unsigned long flags = 0; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; spin_lock_irqsave(&ha->hardware_lock, flags); ha->interrupts_on = 1; WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); RD_REG_DWORD(®->ictrl); spin_unlock_irqrestore(&ha->hardware_lock, flags); } static void qla24xx_disable_intrs(struct qla_hw_data *ha) { unsigned long flags = 0; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; if (IS_NOPOLLING_TYPE(ha)) return; spin_lock_irqsave(&ha->hardware_lock, flags); ha->interrupts_on = 0; WRT_REG_DWORD(®->ictrl, 0); RD_REG_DWORD(®->ictrl); spin_unlock_irqrestore(&ha->hardware_lock, flags); } static int qla2x00_iospace_config(struct qla_hw_data *ha) { resource_size_t pio; uint16_t msix; int cpus; if (pci_request_selected_regions(ha->pdev, ha->bars, QLA2XXX_DRIVER_NAME)) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0011, "Failed to reserve PIO/MMIO regions (%s), aborting.\n", pci_name(ha->pdev)); goto iospace_error_exit; } if (!(ha->bars & 1)) goto skip_pio; /* We only need PIO for Flash operations on ISP2312 v2 chips. */ pio = pci_resource_start(ha->pdev, 0); if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { ql_log_pci(ql_log_warn, ha->pdev, 0x0012, "Invalid pci I/O region size (%s).\n", pci_name(ha->pdev)); pio = 0; } } else { ql_log_pci(ql_log_warn, ha->pdev, 0x0013, "Region #0 no a PIO resource (%s).\n", pci_name(ha->pdev)); pio = 0; } ha->pio_address = pio; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014, "PIO address=%llu.\n", (unsigned long long)ha->pio_address); skip_pio: /* Use MMIO operations for all accesses. */ if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0015, "Region #1 not an MMIO resource (%s), aborting.\n", pci_name(ha->pdev)); goto iospace_error_exit; } if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0016, "Invalid PCI mem region size (%s), aborting.\n", pci_name(ha->pdev)); goto iospace_error_exit; } ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); if (!ha->iobase) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0017, "Cannot remap MMIO (%s), aborting.\n", pci_name(ha->pdev)); goto iospace_error_exit; } /* Determine queue resources */ ha->max_req_queues = ha->max_rsp_queues = 1; if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) || (ql2xmaxqueues > 1 && ql2xmultique_tag) || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))) goto mqiobase_exit; ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3), pci_resource_len(ha->pdev, 3)); if (ha->mqiobase) { ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018, "MQIO Base=%p.\n", ha->mqiobase); /* Read MSIX vector size of the board */ pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix); ha->msix_count = msix; /* Max queues are bounded by available msix vectors */ /* queue 0 uses two msix vectors */ if (ql2xmultique_tag) { cpus = num_online_cpus(); ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ? (cpus + 1) : (ha->msix_count - 1); ha->max_req_queues = 2; } else if (ql2xmaxqueues > 1) { ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ? QLA_MQ_SIZE : ql2xmaxqueues; ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008, "QoS mode set, max no of request queues:%d.\n", ha->max_req_queues); ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019, "QoS mode set, max no of request queues:%d.\n", ha->max_req_queues); } ql_log_pci(ql_log_info, ha->pdev, 0x001a, "MSI-X vector count: %d.\n", msix); } else ql_log_pci(ql_log_info, ha->pdev, 0x001b, "BAR 3 not enabled.\n"); mqiobase_exit: ha->msix_count = ha->max_rsp_queues + 1; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c, "MSIX Count:%d.\n", ha->msix_count); return (0); iospace_error_exit: return (-ENOMEM); } static int qla83xx_iospace_config(struct qla_hw_data *ha) { uint16_t msix; int cpus; if (pci_request_selected_regions(ha->pdev, ha->bars, QLA2XXX_DRIVER_NAME)) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0117, "Failed to reserve PIO/MMIO regions (%s), aborting.\n", pci_name(ha->pdev)); goto iospace_error_exit; } /* Use MMIO operations for all accesses. */ if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { ql_log_pci(ql_log_warn, ha->pdev, 0x0118, "Invalid pci I/O region size (%s).\n", pci_name(ha->pdev)); goto iospace_error_exit; } if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { ql_log_pci(ql_log_warn, ha->pdev, 0x0119, "Invalid PCI mem region size (%s), aborting\n", pci_name(ha->pdev)); goto iospace_error_exit; } ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN); if (!ha->iobase) { ql_log_pci(ql_log_fatal, ha->pdev, 0x011a, "Cannot remap MMIO (%s), aborting.\n", pci_name(ha->pdev)); goto iospace_error_exit; } /* 64bit PCI BAR - BAR2 will correspoond to region 4 */ /* 83XX 26XX always use MQ type access for queues * - mbar 2, a.k.a region 4 */ ha->max_req_queues = ha->max_rsp_queues = 1; ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4), pci_resource_len(ha->pdev, 4)); if (!ha->mqiobase) { ql_log_pci(ql_log_fatal, ha->pdev, 0x011d, "BAR2/region4 not enabled\n"); goto mqiobase_exit; } ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2), pci_resource_len(ha->pdev, 2)); if (ha->msixbase) { /* Read MSIX vector size of the board */ pci_read_config_word(ha->pdev, QLA_83XX_PCI_MSIX_CONTROL, &msix); ha->msix_count = msix; /* Max queues are bounded by available msix vectors */ /* queue 0 uses two msix vectors */ if (ql2xmultique_tag) { cpus = num_online_cpus(); ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ? (cpus + 1) : (ha->msix_count - 1); ha->max_req_queues = 2; } else if (ql2xmaxqueues > 1) { ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ? QLA_MQ_SIZE : ql2xmaxqueues; ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c, "QoS mode set, max no of request queues:%d.\n", ha->max_req_queues); ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b, "QoS mode set, max no of request queues:%d.\n", ha->max_req_queues); } ql_log_pci(ql_log_info, ha->pdev, 0x011c, "MSI-X vector count: %d.\n", msix); } else ql_log_pci(ql_log_info, ha->pdev, 0x011e, "BAR 1 not enabled.\n"); mqiobase_exit: ha->msix_count = ha->max_rsp_queues + 1; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f, "MSIX Count:%d.\n", ha->msix_count); return 0; iospace_error_exit: return -ENOMEM; } static struct isp_operations qla2100_isp_ops = { .pci_config = qla2100_pci_config, .reset_chip = qla2x00_reset_chip, .chip_diag = qla2x00_chip_diag, .config_rings = qla2x00_config_rings, .reset_adapter = qla2x00_reset_adapter, .nvram_config = qla2x00_nvram_config, .update_fw_options = qla2x00_update_fw_options, .load_risc = qla2x00_load_risc, .pci_info_str = qla2x00_pci_info_str, .fw_version_str = qla2x00_fw_version_str, .intr_handler = qla2100_intr_handler, .enable_intrs = qla2x00_enable_intrs, .disable_intrs = qla2x00_disable_intrs, .abort_command = qla2x00_abort_command, .target_reset = qla2x00_abort_target, .lun_reset = qla2x00_lun_reset, .fabric_login = qla2x00_login_fabric, .fabric_logout = qla2x00_fabric_logout, .calc_req_entries = qla2x00_calc_iocbs_32, .build_iocbs = qla2x00_build_scsi_iocbs_32, .prep_ms_iocb = qla2x00_prep_ms_iocb, .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, .read_nvram = qla2x00_read_nvram_data, .write_nvram = qla2x00_write_nvram_data, .fw_dump = qla2100_fw_dump, .beacon_on = NULL, .beacon_off = NULL, .beacon_blink = NULL, .read_optrom = qla2x00_read_optrom_data, .write_optrom = qla2x00_write_optrom_data, .get_flash_version = qla2x00_get_flash_version, .start_scsi = qla2x00_start_scsi, .abort_isp = qla2x00_abort_isp, .iospace_config = qla2x00_iospace_config, }; static struct isp_operations qla2300_isp_ops = { .pci_config = qla2300_pci_config, .reset_chip = qla2x00_reset_chip, .chip_diag = qla2x00_chip_diag, .config_rings = qla2x00_config_rings, .reset_adapter = qla2x00_reset_adapter, .nvram_config = qla2x00_nvram_config, .update_fw_options = qla2x00_update_fw_options, .load_risc = qla2x00_load_risc, .pci_info_str = qla2x00_pci_info_str, .fw_version_str = qla2x00_fw_version_str, .intr_handler = qla2300_intr_handler, .enable_intrs = qla2x00_enable_intrs, .disable_intrs = qla2x00_disable_intrs, .abort_command = qla2x00_abort_command, .target_reset = qla2x00_abort_target, .lun_reset = qla2x00_lun_reset, .fabric_login = qla2x00_login_fabric, .fabric_logout = qla2x00_fabric_logout, .calc_req_entries = qla2x00_calc_iocbs_32, .build_iocbs = qla2x00_build_scsi_iocbs_32, .prep_ms_iocb = qla2x00_prep_ms_iocb, .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, .read_nvram = qla2x00_read_nvram_data, .write_nvram = qla2x00_write_nvram_data, .fw_dump = qla2300_fw_dump, .beacon_on = qla2x00_beacon_on, .beacon_off = qla2x00_beacon_off, .beacon_blink = qla2x00_beacon_blink, .read_optrom = qla2x00_read_optrom_data, .write_optrom = qla2x00_write_optrom_data, .get_flash_version = qla2x00_get_flash_version, .start_scsi = qla2x00_start_scsi, .abort_isp = qla2x00_abort_isp, .iospace_config = qla2x00_iospace_config, }; static struct isp_operations qla24xx_isp_ops = { .pci_config = qla24xx_pci_config, .reset_chip = qla24xx_reset_chip, .chip_diag = qla24xx_chip_diag, .config_rings = qla24xx_config_rings, .reset_adapter = qla24xx_reset_adapter, .nvram_config = qla24xx_nvram_config, .update_fw_options = qla24xx_update_fw_options, .load_risc = qla24xx_load_risc, .pci_info_str = qla24xx_pci_info_str, .fw_version_str = qla24xx_fw_version_str, .intr_handler = qla24xx_intr_handler, .enable_intrs = qla24xx_enable_intrs, .disable_intrs = qla24xx_disable_intrs, .abort_command = qla24xx_abort_command, .target_reset = qla24xx_abort_target, .lun_reset = qla24xx_lun_reset, .fabric_login = qla24xx_login_fabric, .fabric_logout = qla24xx_fabric_logout, .calc_req_entries = NULL, .build_iocbs = NULL, .prep_ms_iocb = qla24xx_prep_ms_iocb, .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, .read_nvram = qla24xx_read_nvram_data, .write_nvram = qla24xx_write_nvram_data, .fw_dump = qla24xx_fw_dump, .beacon_on = qla24xx_beacon_on, .beacon_off = qla24xx_beacon_off, .beacon_blink = qla24xx_beacon_blink, .read_optrom = qla24xx_read_optrom_data, .write_optrom = qla24xx_write_optrom_data, .get_flash_version = qla24xx_get_flash_version, .start_scsi = qla24xx_start_scsi, .abort_isp = qla2x00_abort_isp, .iospace_config = qla2x00_iospace_config, }; static struct isp_operations qla25xx_isp_ops = { .pci_config = qla25xx_pci_config, .reset_chip = qla24xx_reset_chip, .chip_diag = qla24xx_chip_diag, .config_rings = qla24xx_config_rings, .reset_adapter = qla24xx_reset_adapter, .nvram_config = qla24xx_nvram_config, .update_fw_options = qla24xx_update_fw_options, .load_risc = qla24xx_load_risc, .pci_info_str = qla24xx_pci_info_str, .fw_version_str = qla24xx_fw_version_str, .intr_handler = qla24xx_intr_handler, .enable_intrs = qla24xx_enable_intrs, .disable_intrs = qla24xx_disable_intrs, .abort_command = qla24xx_abort_command, .target_reset = qla24xx_abort_target, .lun_reset = qla24xx_lun_reset, .fabric_login = qla24xx_login_fabric, .fabric_logout = qla24xx_fabric_logout, .calc_req_entries = NULL, .build_iocbs = NULL, .prep_ms_iocb = qla24xx_prep_ms_iocb, .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, .read_nvram = qla25xx_read_nvram_data, .write_nvram = qla25xx_write_nvram_data, .fw_dump = qla25xx_fw_dump, .beacon_on = qla24xx_beacon_on, .beacon_off = qla24xx_beacon_off, .beacon_blink = qla24xx_beacon_blink, .read_optrom = qla25xx_read_optrom_data, .write_optrom = qla24xx_write_optrom_data, .get_flash_version = qla24xx_get_flash_version, .start_scsi = qla24xx_dif_start_scsi, .abort_isp = qla2x00_abort_isp, .iospace_config = qla2x00_iospace_config, }; static struct isp_operations qla81xx_isp_ops = { .pci_config = qla25xx_pci_config, .reset_chip = qla24xx_reset_chip, .chip_diag = qla24xx_chip_diag, .config_rings = qla24xx_config_rings, .reset_adapter = qla24xx_reset_adapter, .nvram_config = qla81xx_nvram_config, .update_fw_options = qla81xx_update_fw_options, .load_risc = qla81xx_load_risc, .pci_info_str = qla24xx_pci_info_str, .fw_version_str = qla24xx_fw_version_str, .intr_handler = qla24xx_intr_handler, .enable_intrs = qla24xx_enable_intrs, .disable_intrs = qla24xx_disable_intrs, .abort_command = qla24xx_abort_command, .target_reset = qla24xx_abort_target, .lun_reset = qla24xx_lun_reset, .fabric_login = qla24xx_login_fabric, .fabric_logout = qla24xx_fabric_logout, .calc_req_entries = NULL, .build_iocbs = NULL, .prep_ms_iocb = qla24xx_prep_ms_iocb, .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, .read_nvram = NULL, .write_nvram = NULL, .fw_dump = qla81xx_fw_dump, .beacon_on = qla24xx_beacon_on, .beacon_off = qla24xx_beacon_off, .beacon_blink = qla83xx_beacon_blink, .read_optrom = qla25xx_read_optrom_data, .write_optrom = qla24xx_write_optrom_data, .get_flash_version = qla24xx_get_flash_version, .start_scsi = qla24xx_dif_start_scsi, .abort_isp = qla2x00_abort_isp, .iospace_config = qla2x00_iospace_config, }; static struct isp_operations qla82xx_isp_ops = { .pci_config = qla82xx_pci_config, .reset_chip = qla82xx_reset_chip, .chip_diag = qla24xx_chip_diag, .config_rings = qla82xx_config_rings, .reset_adapter = qla24xx_reset_adapter, .nvram_config = qla81xx_nvram_config, .update_fw_options = qla24xx_update_fw_options, .load_risc = qla82xx_load_risc, .pci_info_str = qla24xx_pci_info_str, .fw_version_str = qla24xx_fw_version_str, .intr_handler = qla82xx_intr_handler, .enable_intrs = qla82xx_enable_intrs, .disable_intrs = qla82xx_disable_intrs, .abort_command = qla24xx_abort_command, .target_reset = qla24xx_abort_target, .lun_reset = qla24xx_lun_reset, .fabric_login = qla24xx_login_fabric, .fabric_logout = qla24xx_fabric_logout, .calc_req_entries = NULL, .build_iocbs = NULL, .prep_ms_iocb = qla24xx_prep_ms_iocb, .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, .read_nvram = qla24xx_read_nvram_data, .write_nvram = qla24xx_write_nvram_data, .fw_dump = qla24xx_fw_dump, .beacon_on = qla82xx_beacon_on, .beacon_off = qla82xx_beacon_off, .beacon_blink = NULL, .read_optrom = qla82xx_read_optrom_data, .write_optrom = qla82xx_write_optrom_data, .get_flash_version = qla24xx_get_flash_version, .start_scsi = qla82xx_start_scsi, .abort_isp = qla82xx_abort_isp, .iospace_config = qla82xx_iospace_config, }; static struct isp_operations qla83xx_isp_ops = { .pci_config = qla25xx_pci_config, .reset_chip = qla24xx_reset_chip, .chip_diag = qla24xx_chip_diag, .config_rings = qla24xx_config_rings, .reset_adapter = qla24xx_reset_adapter, .nvram_config = qla81xx_nvram_config, .update_fw_options = qla81xx_update_fw_options, .load_risc = qla81xx_load_risc, .pci_info_str = qla24xx_pci_info_str, .fw_version_str = qla24xx_fw_version_str, .intr_handler = qla24xx_intr_handler, .enable_intrs = qla24xx_enable_intrs, .disable_intrs = qla24xx_disable_intrs, .abort_command = qla24xx_abort_command, .target_reset = qla24xx_abort_target, .lun_reset = qla24xx_lun_reset, .fabric_login = qla24xx_login_fabric, .fabric_logout = qla24xx_fabric_logout, .calc_req_entries = NULL, .build_iocbs = NULL, .prep_ms_iocb = qla24xx_prep_ms_iocb, .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, .read_nvram = NULL, .write_nvram = NULL, .fw_dump = qla83xx_fw_dump, .beacon_on = qla24xx_beacon_on, .beacon_off = qla24xx_beacon_off, .beacon_blink = qla83xx_beacon_blink, .read_optrom = qla25xx_read_optrom_data, .write_optrom = qla24xx_write_optrom_data, .get_flash_version = qla24xx_get_flash_version, .start_scsi = qla24xx_dif_start_scsi, .abort_isp = qla2x00_abort_isp, .iospace_config = qla83xx_iospace_config, }; static inline void qla2x00_set_isp_flags(struct qla_hw_data *ha) { ha->device_type = DT_EXTENDED_IDS; switch (ha->pdev->device) { case PCI_DEVICE_ID_QLOGIC_ISP2100: ha->device_type |= DT_ISP2100; ha->device_type &= ~DT_EXTENDED_IDS; ha->fw_srisc_address = RISC_START_ADDRESS_2100; break; case PCI_DEVICE_ID_QLOGIC_ISP2200: ha->device_type |= DT_ISP2200; ha->device_type &= ~DT_EXTENDED_IDS; ha->fw_srisc_address = RISC_START_ADDRESS_2100; break; case PCI_DEVICE_ID_QLOGIC_ISP2300: ha->device_type |= DT_ISP2300; ha->device_type |= DT_ZIO_SUPPORTED; ha->fw_srisc_address = RISC_START_ADDRESS_2300; break; case PCI_DEVICE_ID_QLOGIC_ISP2312: ha->device_type |= DT_ISP2312; ha->device_type |= DT_ZIO_SUPPORTED; ha->fw_srisc_address = RISC_START_ADDRESS_2300; break; case PCI_DEVICE_ID_QLOGIC_ISP2322: ha->device_type |= DT_ISP2322; ha->device_type |= DT_ZIO_SUPPORTED; if (ha->pdev->subsystem_vendor == 0x1028 && ha->pdev->subsystem_device == 0x0170) ha->device_type |= DT_OEM_001; ha->fw_srisc_address = RISC_START_ADDRESS_2300; break; case PCI_DEVICE_ID_QLOGIC_ISP6312: ha->device_type |= DT_ISP6312; ha->fw_srisc_address = RISC_START_ADDRESS_2300; break; case PCI_DEVICE_ID_QLOGIC_ISP6322: ha->device_type |= DT_ISP6322; ha->fw_srisc_address = RISC_START_ADDRESS_2300; break; case PCI_DEVICE_ID_QLOGIC_ISP2422: ha->device_type |= DT_ISP2422; ha->device_type |= DT_ZIO_SUPPORTED; ha->device_type |= DT_FWI2; ha->device_type |= DT_IIDMA; ha->fw_srisc_address = RISC_START_ADDRESS_2400; break; case PCI_DEVICE_ID_QLOGIC_ISP2432: ha->device_type |= DT_ISP2432; ha->device_type |= DT_ZIO_SUPPORTED; ha->device_type |= DT_FWI2; ha->device_type |= DT_IIDMA; ha->fw_srisc_address = RISC_START_ADDRESS_2400; break; case PCI_DEVICE_ID_QLOGIC_ISP8432: ha->device_type |= DT_ISP8432; ha->device_type |= DT_ZIO_SUPPORTED; ha->device_type |= DT_FWI2; ha->device_type |= DT_IIDMA; ha->fw_srisc_address = RISC_START_ADDRESS_2400; break; case PCI_DEVICE_ID_QLOGIC_ISP5422: ha->device_type |= DT_ISP5422; ha->device_type |= DT_FWI2; ha->fw_srisc_address = RISC_START_ADDRESS_2400; break; case PCI_DEVICE_ID_QLOGIC_ISP5432: ha->device_type |= DT_ISP5432; ha->device_type |= DT_FWI2; ha->fw_srisc_address = RISC_START_ADDRESS_2400; break; case PCI_DEVICE_ID_QLOGIC_ISP2532: ha->device_type |= DT_ISP2532; ha->device_type |= DT_ZIO_SUPPORTED; ha->device_type |= DT_FWI2; ha->device_type |= DT_IIDMA; ha->fw_srisc_address = RISC_START_ADDRESS_2400; break; case PCI_DEVICE_ID_QLOGIC_ISP8001: ha->device_type |= DT_ISP8001; ha->device_type |= DT_ZIO_SUPPORTED; ha->device_type |= DT_FWI2; ha->device_type |= DT_IIDMA; ha->fw_srisc_address = RISC_START_ADDRESS_2400; break; case PCI_DEVICE_ID_QLOGIC_ISP8021: ha->device_type |= DT_ISP8021; ha->device_type |= DT_ZIO_SUPPORTED; ha->device_type |= DT_FWI2; ha->fw_srisc_address = RISC_START_ADDRESS_2400; /* Initialize 82XX ISP flags */ qla82xx_init_flags(ha); break; case PCI_DEVICE_ID_QLOGIC_ISP2031: ha->device_type |= DT_ISP2031; ha->device_type |= DT_ZIO_SUPPORTED; ha->device_type |= DT_FWI2; ha->device_type |= DT_IIDMA; ha->device_type |= DT_T10_PI; ha->fw_srisc_address = RISC_START_ADDRESS_2400; break; case PCI_DEVICE_ID_QLOGIC_ISP8031: ha->device_type |= DT_ISP8031; ha->device_type |= DT_ZIO_SUPPORTED; ha->device_type |= DT_FWI2; ha->device_type |= DT_IIDMA; ha->device_type |= DT_T10_PI; ha->fw_srisc_address = RISC_START_ADDRESS_2400; break; } if (IS_QLA82XX(ha)) ha->port_no = !(ha->portnum & 1); else /* Get adapter physical port no from interrupt pin register. */ pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no); if (ha->port_no & 1) ha->flags.port0 = 1; else ha->flags.port0 = 0; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b, "device_type=0x%x port=%d fw_srisc_address=0x%x.\n", ha->device_type, ha->flags.port0, ha->fw_srisc_address); } static void qla2xxx_scan_start(struct Scsi_Host *shost) { scsi_qla_host_t *vha = shost_priv(shost); if (vha->hw->flags.running_gold_fw) return; set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); set_bit(RSCN_UPDATE, &vha->dpc_flags); set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags); } static int qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) { scsi_qla_host_t *vha = shost_priv(shost); if (!vha->host) return 1; if (time > vha->hw->loop_reset_delay * HZ) return 1; return atomic_read(&vha->loop_state) == LOOP_READY; } /* * PCI driver interface */ static int __devinit qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) { int ret = -ENODEV; struct Scsi_Host *host; scsi_qla_host_t *base_vha = NULL; struct qla_hw_data *ha; char pci_info[30]; char fw_str[30], wq_name[30]; struct scsi_host_template *sht; int bars, mem_only = 0; uint16_t req_length = 0, rsp_length = 0; struct req_que *req = NULL; struct rsp_que *rsp = NULL; bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); sht = &qla2xxx_driver_template; if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031) { bars = pci_select_bars(pdev, IORESOURCE_MEM); mem_only = 1; ql_dbg_pci(ql_dbg_init, pdev, 0x0007, "Mem only adapter.\n"); } ql_dbg_pci(ql_dbg_init, pdev, 0x0008, "Bars=%d.\n", bars); if (mem_only) { if (pci_enable_device_mem(pdev)) goto probe_out; } else { if (pci_enable_device(pdev)) goto probe_out; } /* This may fail but that's ok */ pci_enable_pcie_error_reporting(pdev); ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL); if (!ha) { ql_log_pci(ql_log_fatal, pdev, 0x0009, "Unable to allocate memory for ha.\n"); goto probe_out; } ql_dbg_pci(ql_dbg_init, pdev, 0x000a, "Memory allocated for ha=%p.\n", ha); ha->pdev = pdev; ha->tgt.enable_class_2 = ql2xenableclass2; /* Clear our data area */ ha->bars = bars; ha->mem_only = mem_only; spin_lock_init(&ha->hardware_lock); spin_lock_init(&ha->vport_slock); mutex_init(&ha->selflogin_lock); /* Set ISP-type information. */ qla2x00_set_isp_flags(ha); /* Set EEH reset type to fundamental if required by hba */ if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) pdev->needs_freset = 1; ha->prev_topology = 0; ha->init_cb_size = sizeof(init_cb_t); ha->link_data_rate = PORT_SPEED_UNKNOWN; ha->optrom_size = OPTROM_SIZE_2300; /* Assign ISP specific operations. */ if (IS_QLA2100(ha)) { ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; req_length = REQUEST_ENTRY_CNT_2100; rsp_length = RESPONSE_ENTRY_CNT_2100; ha->max_loop_id = SNS_LAST_LOOP_ID_2100; ha->gid_list_info_size = 4; ha->flash_conf_off = ~0; ha->flash_data_off = ~0; ha->nvram_conf_off = ~0; ha->nvram_data_off = ~0; ha->isp_ops = &qla2100_isp_ops; } else if (IS_QLA2200(ha)) { ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; ha->mbx_count = MAILBOX_REGISTER_COUNT_2200; req_length = REQUEST_ENTRY_CNT_2200; rsp_length = RESPONSE_ENTRY_CNT_2100; ha->max_loop_id = SNS_LAST_LOOP_ID_2100; ha->gid_list_info_size = 4; ha->flash_conf_off = ~0; ha->flash_data_off = ~0; ha->nvram_conf_off = ~0; ha->nvram_data_off = ~0; ha->isp_ops = &qla2100_isp_ops; } else if (IS_QLA23XX(ha)) { ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_2200; rsp_length = RESPONSE_ENTRY_CNT_2300; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->gid_list_info_size = 6; if (IS_QLA2322(ha) || IS_QLA6322(ha)) ha->optrom_size = OPTROM_SIZE_2322; ha->flash_conf_off = ~0; ha->flash_data_off = ~0; ha->nvram_conf_off = ~0; ha->nvram_data_off = ~0; ha->isp_ops = &qla2300_isp_ops; } else if (IS_QLA24XX_TYPE(ha)) { ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; rsp_length = RESPONSE_ENTRY_CNT_2300; ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->init_cb_size = sizeof(struct mid_init_cb_24xx); ha->gid_list_info_size = 8; ha->optrom_size = OPTROM_SIZE_24XX; ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX; ha->isp_ops = &qla24xx_isp_ops; ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; ha->flash_data_off = FARX_ACCESS_FLASH_DATA; ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; } else if (IS_QLA25XX(ha)) { ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; rsp_length = RESPONSE_ENTRY_CNT_2300; ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->init_cb_size = sizeof(struct mid_init_cb_24xx); ha->gid_list_info_size = 8; ha->optrom_size = OPTROM_SIZE_25XX; ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; ha->isp_ops = &qla25xx_isp_ops; ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; ha->flash_data_off = FARX_ACCESS_FLASH_DATA; ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; } else if (IS_QLA81XX(ha)) { ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; rsp_length = RESPONSE_ENTRY_CNT_2300; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->init_cb_size = sizeof(struct mid_init_cb_81xx); ha->gid_list_info_size = 8; ha->optrom_size = OPTROM_SIZE_81XX; ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; ha->isp_ops = &qla81xx_isp_ops; ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; ha->nvram_conf_off = ~0; ha->nvram_data_off = ~0; } else if (IS_QLA82XX(ha)) { ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_82XX; rsp_length = RESPONSE_ENTRY_CNT_82XX; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->init_cb_size = sizeof(struct mid_init_cb_81xx); ha->gid_list_info_size = 8; ha->optrom_size = OPTROM_SIZE_82XX; ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; ha->isp_ops = &qla82xx_isp_ops; ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; ha->flash_data_off = FARX_ACCESS_FLASH_DATA; ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; } else if (IS_QLA83XX(ha)) { ha->portnum = PCI_FUNC(ha->pdev->devfn); ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; rsp_length = RESPONSE_ENTRY_CNT_2300; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->init_cb_size = sizeof(struct mid_init_cb_81xx); ha->gid_list_info_size = 8; ha->optrom_size = OPTROM_SIZE_83XX; ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; ha->isp_ops = &qla83xx_isp_ops; ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; ha->nvram_conf_off = ~0; ha->nvram_data_off = ~0; } ql_dbg_pci(ql_dbg_init, pdev, 0x001e, "mbx_count=%d, req_length=%d, " "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, " "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, " "max_fibre_devices=%d.\n", ha->mbx_count, req_length, rsp_length, ha->max_loop_id, ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size, ha->nvram_npiv_size, ha->max_fibre_devices); ql_dbg_pci(ql_dbg_init, pdev, 0x001f, "isp_ops=%p, flash_conf_off=%d, " "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n", ha->isp_ops, ha->flash_conf_off, ha->flash_data_off, ha->nvram_conf_off, ha->nvram_data_off); /* Configure PCI I/O space */ ret = ha->isp_ops->iospace_config(ha); if (ret) goto probe_hw_failed; ql_log_pci(ql_log_info, pdev, 0x001d, "Found an ISP%04X irq %d iobase 0x%p.\n", pdev->device, pdev->irq, ha->iobase); mutex_init(&ha->vport_lock); init_completion(&ha->mbx_cmd_comp); complete(&ha->mbx_cmd_comp); init_completion(&ha->mbx_intr_comp); init_completion(&ha->dcbx_comp); set_bit(0, (unsigned long *) ha->vp_idx_map); qla2x00_config_dma_addressing(ha); ql_dbg_pci(ql_dbg_init, pdev, 0x0020, "64 Bit addressing is %s.\n", ha->flags.enable_64bit_addressing ? "enable" : "disable"); ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp); if (!ret) { ql_log_pci(ql_log_fatal, pdev, 0x0031, "Failed to allocate memory for adapter, aborting.\n"); goto probe_hw_failed; } req->max_q_depth = MAX_Q_DEPTH; if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) req->max_q_depth = ql2xmaxqdepth; base_vha = qla2x00_create_host(sht, ha); if (!base_vha) { ret = -ENOMEM; qla2x00_mem_free(ha); qla2x00_free_req_que(ha, req); qla2x00_free_rsp_que(ha, rsp); goto probe_hw_failed; } pci_set_drvdata(pdev, base_vha); host = base_vha->host; base_vha->req = req; host->can_queue = req->length + 128; if (IS_QLA2XXX_MIDTYPE(ha)) base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx; else base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER + base_vha->vp_idx; /* Set the SG table size based on ISP type */ if (!IS_FWI2_CAPABLE(ha)) { if (IS_QLA2100(ha)) host->sg_tablesize = 32; } else { if (!IS_QLA82XX(ha)) host->sg_tablesize = QLA_SG_ALL; } ql_dbg(ql_dbg_init, base_vha, 0x0032, "can_queue=%d, req=%p, " "mgmt_svr_loop_id=%d, sg_tablesize=%d.\n", host->can_queue, base_vha->req, base_vha->mgmt_svr_loop_id, host->sg_tablesize); host->max_id = ha->max_fibre_devices; host->this_id = 255; host->cmd_per_lun = 3; host->unique_id = host->host_no; if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) host->max_cmd_len = 32; else host->max_cmd_len = MAX_CMDSZ; host->max_channel = MAX_BUSES - 1; host->max_lun = ql2xmaxlun; host->transportt = qla2xxx_transport_template; sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC); ql_dbg(ql_dbg_init, base_vha, 0x0033, "max_id=%d this_id=%d " "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d " "max_lun=%d transportt=%p, vendor_id=%llu.\n", host->max_id, host->this_id, host->cmd_per_lun, host->unique_id, host->max_cmd_len, host->max_channel, host->max_lun, host->transportt, sht->vendor_id); que_init: /* Alloc arrays of request and response ring ptrs */ if (!qla2x00_alloc_queues(ha, req, rsp)) { ql_log(ql_log_fatal, base_vha, 0x003d, "Failed to allocate memory for queue pointers..." "aborting.\n"); goto probe_init_failed; } qlt_probe_one_stage1(base_vha, ha); /* Set up the irqs */ ret = qla2x00_request_irqs(ha, rsp); if (ret) goto probe_init_failed; pci_save_state(pdev); /* Assign back pointers */ rsp->req = req; req->rsp = rsp; /* FWI2-capable only. */ req->req_q_in = &ha->iobase->isp24.req_q_in; req->req_q_out = &ha->iobase->isp24.req_q_out; rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in; rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out; if (ha->mqenable || IS_QLA83XX(ha)) { req->req_q_in = &ha->mqiobase->isp25mq.req_q_in; req->req_q_out = &ha->mqiobase->isp25mq.req_q_out; rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in; rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out; } if (IS_QLA82XX(ha)) { req->req_q_out = &ha->iobase->isp82.req_q_out[0]; rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0]; rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0]; } ql_dbg(ql_dbg_multiq, base_vha, 0xc009, "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n", ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp); ql_dbg(ql_dbg_multiq, base_vha, 0xc00a, "req->req_q_in=%p req->req_q_out=%p " "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n", req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out); ql_dbg(ql_dbg_init, base_vha, 0x003e, "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n", ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp); ql_dbg(ql_dbg_init, base_vha, 0x003f, "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n", req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out); if (qla2x00_initialize_adapter(base_vha)) { ql_log(ql_log_fatal, base_vha, 0x00d6, "Failed to initialize adapter - Adapter flags %x.\n", base_vha->device_flags); if (IS_QLA82XX(ha)) { qla82xx_idc_lock(ha); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_FAILED); qla82xx_idc_unlock(ha); ql_log(ql_log_fatal, base_vha, 0x00d7, "HW State: FAILED.\n"); } ret = -ENODEV; goto probe_failed; } if (ha->mqenable) { if (qla25xx_setup_mode(base_vha)) { ql_log(ql_log_warn, base_vha, 0x00ec, "Failed to create queues, falling back to single queue mode.\n"); goto que_init; } } if (ha->flags.running_gold_fw) goto skip_dpc; /* * Startup the kernel thread for this host adapter */ ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, "%s_dpc", base_vha->host_str); if (IS_ERR(ha->dpc_thread)) { ql_log(ql_log_fatal, base_vha, 0x00ed, "Failed to start DPC thread.\n"); ret = PTR_ERR(ha->dpc_thread); goto probe_failed; } ql_dbg(ql_dbg_init, base_vha, 0x00ee, "DPC thread started successfully.\n"); /* * If we're not coming up in initiator mode, we might sit for * a while without waking up the dpc thread, which leads to a * stuck process warning. So just kick the dpc once here and * let the kthread start (and go back to sleep in qla2x00_do_dpc). */ qla2xxx_wake_dpc(base_vha); if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) { sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no); ha->dpc_lp_wq = create_singlethread_workqueue(wq_name); INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen); sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no); ha->dpc_hp_wq = create_singlethread_workqueue(wq_name); INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work); INIT_WORK(&ha->idc_state_handler, qla83xx_idc_state_handler_work); INIT_WORK(&ha->nic_core_unrecoverable, qla83xx_nic_core_unrecoverable_work); } skip_dpc: list_add_tail(&base_vha->list, &ha->vp_list); base_vha->host->irq = ha->pdev->irq; /* Initialized the timer */ qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL); ql_dbg(ql_dbg_init, base_vha, 0x00ef, "Started qla2x00_timer with " "interval=%d.\n", WATCH_INTERVAL); ql_dbg(ql_dbg_init, base_vha, 0x00f0, "Detected hba at address=%p.\n", ha); if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { if (ha->fw_attributes & BIT_4) { int prot = 0; base_vha->flags.difdix_supported = 1; ql_dbg(ql_dbg_init, base_vha, 0x00f1, "Registering for DIF/DIX type 1 and 3 protection.\n"); if (ql2xenabledif == 1) prot = SHOST_DIX_TYPE0_PROTECTION; scsi_host_set_prot(host, prot | SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION | SHOST_DIX_TYPE2_PROTECTION | SHOST_DIX_TYPE3_PROTECTION); scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC); } else base_vha->flags.difdix_supported = 0; } ha->isp_ops->enable_intrs(ha); ret = scsi_add_host(host, &pdev->dev); if (ret) goto probe_failed; base_vha->flags.init_done = 1; base_vha->flags.online = 1; ql_dbg(ql_dbg_init, base_vha, 0x00f2, "Init done and hba is online.\n"); if (qla_ini_mode_enabled(base_vha)) scsi_scan_host(host); else ql_dbg(ql_dbg_init, base_vha, 0x0122, "skipping scsi_scan_host() for non-initiator port\n"); qla2x00_alloc_sysfs_attr(base_vha); qla2x00_init_host_attr(base_vha); qla2x00_dfs_setup(base_vha); ql_log(ql_log_info, base_vha, 0x00fb, "QLogic %s - %s.\n", ha->model_number, ha->model_desc ? ha->model_desc : ""); ql_log(ql_log_info, base_vha, 0x00fc, "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n", pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no, ha->isp_ops->fw_version_str(base_vha, fw_str)); qlt_add_target(ha, base_vha); return 0; probe_init_failed: qla2x00_free_req_que(ha, req); ha->req_q_map[0] = NULL; clear_bit(0, ha->req_qid_map); qla2x00_free_rsp_que(ha, rsp); ha->rsp_q_map[0] = NULL; clear_bit(0, ha->rsp_qid_map); ha->max_req_queues = ha->max_rsp_queues = 0; probe_failed: if (base_vha->timer_active) qla2x00_stop_timer(base_vha); base_vha->flags.online = 0; if (ha->dpc_thread) { struct task_struct *t = ha->dpc_thread; ha->dpc_thread = NULL; kthread_stop(t); } qla2x00_free_device(base_vha); scsi_host_put(base_vha->host); probe_hw_failed: if (IS_QLA82XX(ha)) { qla82xx_idc_lock(ha); qla82xx_clear_drv_active(ha); qla82xx_idc_unlock(ha); iounmap((device_reg_t __iomem *)ha->nx_pcibase); if (!ql2xdbwr) iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr); } else { if (ha->iobase) iounmap(ha->iobase); } pci_release_selected_regions(ha->pdev, ha->bars); kfree(ha); ha = NULL; probe_out: pci_disable_device(pdev); return ret; } static void qla2x00_stop_dpc_thread(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; struct task_struct *t = ha->dpc_thread; if (ha->dpc_thread == NULL) return; /* * qla2xxx_wake_dpc checks for ->dpc_thread * so we need to zero it out. */ ha->dpc_thread = NULL; kthread_stop(t); } static void qla2x00_shutdown(struct pci_dev *pdev) { scsi_qla_host_t *vha; struct qla_hw_data *ha; vha = pci_get_drvdata(pdev); ha = vha->hw; /* Turn-off FCE trace */ if (ha->flags.fce_enabled) { qla2x00_disable_fce_trace(vha, NULL, NULL); ha->flags.fce_enabled = 0; } /* Turn-off EFT trace */ if (ha->eft) qla2x00_disable_eft_trace(vha); /* Stop currently executing firmware. */ qla2x00_try_to_stop_firmware(vha); /* Turn adapter off line */ vha->flags.online = 0; /* turn-off interrupts on the card */ if (ha->interrupts_on) { vha->flags.init_done = 0; ha->isp_ops->disable_intrs(ha); } qla2x00_free_irqs(vha); qla2x00_free_fw_dump(ha); } static void qla2x00_remove_one(struct pci_dev *pdev) { scsi_qla_host_t *base_vha, *vha; struct qla_hw_data *ha; unsigned long flags; /* * If the PCI device is disabled that means that probe failed and any * resources should be have cleaned up on probe exit. */ if (!atomic_read(&pdev->enable_cnt)) return; base_vha = pci_get_drvdata(pdev); ha = base_vha->hw; ha->flags.host_shutting_down = 1; mutex_lock(&ha->vport_lock); while (ha->cur_vport_count) { struct Scsi_Host *scsi_host; spin_lock_irqsave(&ha->vport_slock, flags); BUG_ON(base_vha->list.next == &ha->vp_list); /* This assumes first entry in ha->vp_list is always base vha */ vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list); scsi_host = scsi_host_get(vha->host); spin_unlock_irqrestore(&ha->vport_slock, flags); mutex_unlock(&ha->vport_lock); fc_vport_terminate(vha->fc_vport); scsi_host_put(vha->host); mutex_lock(&ha->vport_lock); } mutex_unlock(&ha->vport_lock); if (IS_QLA8031(ha)) { ql_dbg(ql_dbg_p3p, base_vha, 0xb07e, "Clearing fcoe driver presence.\n"); if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS) ql_dbg(ql_dbg_p3p, base_vha, 0xb079, "Error while clearing DRV-Presence.\n"); } set_bit(UNLOADING, &base_vha->dpc_flags); qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); qla2x00_dfs_remove(base_vha); qla84xx_put_chip(base_vha); /* Disable timer */ if (base_vha->timer_active) qla2x00_stop_timer(base_vha); base_vha->flags.online = 0; /* Flush the work queue and remove it */ if (ha->wq) { flush_workqueue(ha->wq); destroy_workqueue(ha->wq); ha->wq = NULL; } /* Cancel all work and destroy DPC workqueues */ if (ha->dpc_lp_wq) { cancel_work_sync(&ha->idc_aen); destroy_workqueue(ha->dpc_lp_wq); ha->dpc_lp_wq = NULL; } if (ha->dpc_hp_wq) { cancel_work_sync(&ha->nic_core_reset); cancel_work_sync(&ha->idc_state_handler); cancel_work_sync(&ha->nic_core_unrecoverable); destroy_workqueue(ha->dpc_hp_wq); ha->dpc_hp_wq = NULL; } /* Kill the kernel thread for this host */ if (ha->dpc_thread) { struct task_struct *t = ha->dpc_thread; /* * qla2xxx_wake_dpc checks for ->dpc_thread * so we need to zero it out. */ ha->dpc_thread = NULL; kthread_stop(t); } qlt_remove_target(ha, base_vha); qla2x00_free_sysfs_attr(base_vha); fc_remove_host(base_vha->host); scsi_remove_host(base_vha->host); qla2x00_free_device(base_vha); scsi_host_put(base_vha->host); if (IS_QLA82XX(ha)) { qla82xx_idc_lock(ha); qla82xx_clear_drv_active(ha); qla82xx_idc_unlock(ha); iounmap((device_reg_t __iomem *)ha->nx_pcibase); if (!ql2xdbwr) iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr); } else { if (ha->iobase) iounmap(ha->iobase); if (ha->mqiobase) iounmap(ha->mqiobase); if (IS_QLA83XX(ha) && ha->msixbase) iounmap(ha->msixbase); } pci_release_selected_regions(ha->pdev, ha->bars); kfree(ha); ha = NULL; pci_disable_pcie_error_reporting(pdev); pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); } static void qla2x00_free_device(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); /* Disable timer */ if (vha->timer_active) qla2x00_stop_timer(vha); qla2x00_stop_dpc_thread(vha); qla25xx_delete_queues(vha); if (ha->flags.fce_enabled) qla2x00_disable_fce_trace(vha, NULL, NULL); if (ha->eft) qla2x00_disable_eft_trace(vha); /* Stop currently executing firmware. */ qla2x00_try_to_stop_firmware(vha); vha->flags.online = 0; /* turn-off interrupts on the card */ if (ha->interrupts_on) { vha->flags.init_done = 0; ha->isp_ops->disable_intrs(ha); } qla2x00_free_irqs(vha); qla2x00_free_fcports(vha); qla2x00_mem_free(ha); qla82xx_md_free(vha); qla2x00_free_queues(ha); } void qla2x00_free_fcports(struct scsi_qla_host *vha) { fc_port_t *fcport, *tfcport; list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) { list_del(&fcport->list); qla2x00_clear_loop_id(fcport); kfree(fcport); fcport = NULL; } } static inline void qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport, int defer) { struct fc_rport *rport; scsi_qla_host_t *base_vha; unsigned long flags; if (!fcport->rport) return; rport = fcport->rport; if (defer) { base_vha = pci_get_drvdata(vha->hw->pdev); spin_lock_irqsave(vha->host->host_lock, flags); fcport->drport = rport; spin_unlock_irqrestore(vha->host->host_lock, flags); set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); qla2xxx_wake_dpc(base_vha); } else { fc_remote_port_delete(rport); qlt_fc_port_deleted(vha, fcport); } } /* * qla2x00_mark_device_lost Updates fcport state when device goes offline. * * Input: ha = adapter block pointer. fcport = port structure pointer. * * Return: None. * * Context: */ void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport, int do_login, int defer) { if (atomic_read(&fcport->state) == FCS_ONLINE && vha->vp_idx == fcport->vha->vp_idx) { qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); qla2x00_schedule_rport_del(vha, fcport, defer); } /* * We may need to retry the login, so don't change the state of the * port but do the retries. */ if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); if (!do_login) return; if (fcport->login_retry == 0) { fcport->login_retry = vha->hw->login_retry_count; set_bit(RELOGIN_NEEDED, &vha->dpc_flags); ql_dbg(ql_dbg_disc, vha, 0x2067, "Port login retry " "%02x%02x%02x%02x%02x%02x%02x%02x, " "id = 0x%04x retry cnt=%d.\n", fcport->port_name[0], fcport->port_name[1], fcport->port_name[2], fcport->port_name[3], fcport->port_name[4], fcport->port_name[5], fcport->port_name[6], fcport->port_name[7], fcport->loop_id, fcport->login_retry); } } /* * qla2x00_mark_all_devices_lost * Updates fcport state when device goes offline. * * Input: * ha = adapter block pointer. * fcport = port structure pointer. * * Return: * None. * * Context: */ void qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer) { fc_port_t *fcport; list_for_each_entry(fcport, &vha->vp_fcports, list) { if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx) continue; /* * No point in marking the device as lost, if the device is * already DEAD. */ if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) continue; if (atomic_read(&fcport->state) == FCS_ONLINE) { qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); if (defer) qla2x00_schedule_rport_del(vha, fcport, defer); else if (vha->vp_idx == fcport->vha->vp_idx) qla2x00_schedule_rport_del(vha, fcport, defer); } } } /* * qla2x00_mem_alloc * Allocates adapter memory. * * Returns: * 0 = success. * !0 = failure. */ static int qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, struct req_que **req, struct rsp_que **rsp) { char name[16]; ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL); if (!ha->init_cb) goto fail; if (qlt_mem_alloc(ha) < 0) goto fail_free_init_cb; ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL); if (!ha->gid_list) goto fail_free_tgt_mem; ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); if (!ha->srb_mempool) goto fail_free_gid_list; if (IS_QLA82XX(ha)) { /* Allocate cache for CT6 Ctx. */ if (!ctx_cachep) { ctx_cachep = kmem_cache_create("qla2xxx_ctx", sizeof(struct ct6_dsd), 0, SLAB_HWCACHE_ALIGN, NULL); if (!ctx_cachep) goto fail_free_gid_list; } ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ, ctx_cachep); if (!ha->ctx_mempool) goto fail_free_srb_mempool; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021, "ctx_cachep=%p ctx_mempool=%p.\n", ctx_cachep, ha->ctx_mempool); } /* Get memory for cached NVRAM */ ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); if (!ha->nvram) goto fail_free_ctx_mempool; snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME, ha->pdev->device); ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, DMA_POOL_SIZE, 8, 0); if (!ha->s_dma_pool) goto fail_free_nvram; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022, "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n", ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool); if (IS_QLA82XX(ha) || ql2xenabledif) { ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev, DSD_LIST_DMA_POOL_SIZE, 8, 0); if (!ha->dl_dma_pool) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0023, "Failed to allocate memory for dl_dma_pool.\n"); goto fail_s_dma_pool; } ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev, FCP_CMND_DMA_POOL_SIZE, 8, 0); if (!ha->fcp_cmnd_dma_pool) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0024, "Failed to allocate memory for fcp_cmnd_dma_pool.\n"); goto fail_dl_dma_pool; } ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025, "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n", ha->dl_dma_pool, ha->fcp_cmnd_dma_pool); } /* Allocate memory for SNS commands */ if (IS_QLA2100(ha) || IS_QLA2200(ha)) { /* Get consistent memory allocated for SNS commands */ ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL); if (!ha->sns_cmd) goto fail_dma_pool; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026, "sns_cmd: %p.\n", ha->sns_cmd); } else { /* Get consistent memory allocated for MS IOCB */ ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &ha->ms_iocb_dma); if (!ha->ms_iocb) goto fail_dma_pool; /* Get consistent memory allocated for CT SNS commands */ ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL); if (!ha->ct_sns) goto fail_free_ms_iocb; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027, "ms_iocb=%p ct_sns=%p.\n", ha->ms_iocb, ha->ct_sns); } /* Allocate memory for request ring */ *req = kzalloc(sizeof(struct req_que), GFP_KERNEL); if (!*req) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0028, "Failed to allocate memory for req.\n"); goto fail_req; } (*req)->length = req_len; (*req)->ring = dma_alloc_coherent(&ha->pdev->dev, ((*req)->length + 1) * sizeof(request_t), &(*req)->dma, GFP_KERNEL); if (!(*req)->ring) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0029, "Failed to allocate memory for req_ring.\n"); goto fail_req_ring; } /* Allocate memory for response ring */ *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); if (!*rsp) { ql_log_pci(ql_log_fatal, ha->pdev, 0x002a, "Failed to allocate memory for rsp.\n"); goto fail_rsp; } (*rsp)->hw = ha; (*rsp)->length = rsp_len; (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev, ((*rsp)->length + 1) * sizeof(response_t), &(*rsp)->dma, GFP_KERNEL); if (!(*rsp)->ring) { ql_log_pci(ql_log_fatal, ha->pdev, 0x002b, "Failed to allocate memory for rsp_ring.\n"); goto fail_rsp_ring; } (*req)->rsp = *rsp; (*rsp)->req = *req; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c, "req=%p req->length=%d req->ring=%p rsp=%p " "rsp->length=%d rsp->ring=%p.\n", *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length, (*rsp)->ring); /* Allocate memory for NVRAM data for vports */ if (ha->nvram_npiv_size) { ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) * ha->nvram_npiv_size, GFP_KERNEL); if (!ha->npiv_info) { ql_log_pci(ql_log_fatal, ha->pdev, 0x002d, "Failed to allocate memory for npiv_info.\n"); goto fail_npiv_info; } } else ha->npiv_info = NULL; /* Get consistent memory allocated for EX-INIT-CB. */ if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)) { ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &ha->ex_init_cb_dma); if (!ha->ex_init_cb) goto fail_ex_init_cb; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e, "ex_init_cb=%p.\n", ha->ex_init_cb); } INIT_LIST_HEAD(&ha->gbl_dsd_list); /* Get consistent memory allocated for Async Port-Database. */ if (!IS_FWI2_CAPABLE(ha)) { ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &ha->async_pd_dma); if (!ha->async_pd) goto fail_async_pd; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f, "async_pd=%p.\n", ha->async_pd); } INIT_LIST_HEAD(&ha->vp_list); /* Allocate memory for our loop_id bitmap */ ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long), GFP_KERNEL); if (!ha->loop_id_map) goto fail_async_pd; else { qla2x00_set_reserved_loop_ids(ha); ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123, "loop_id_map=%p. \n", ha->loop_id_map); } return 1; fail_async_pd: dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma); fail_ex_init_cb: kfree(ha->npiv_info); fail_npiv_info: dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) * sizeof(response_t), (*rsp)->ring, (*rsp)->dma); (*rsp)->ring = NULL; (*rsp)->dma = 0; fail_rsp_ring: kfree(*rsp); fail_rsp: dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) * sizeof(request_t), (*req)->ring, (*req)->dma); (*req)->ring = NULL; (*req)->dma = 0; fail_req_ring: kfree(*req); fail_req: dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), ha->ct_sns, ha->ct_sns_dma); ha->ct_sns = NULL; ha->ct_sns_dma = 0; fail_free_ms_iocb: dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); ha->ms_iocb = NULL; ha->ms_iocb_dma = 0; fail_dma_pool: if (IS_QLA82XX(ha) || ql2xenabledif) { dma_pool_destroy(ha->fcp_cmnd_dma_pool); ha->fcp_cmnd_dma_pool = NULL; } fail_dl_dma_pool: if (IS_QLA82XX(ha) || ql2xenabledif) { dma_pool_destroy(ha->dl_dma_pool); ha->dl_dma_pool = NULL; } fail_s_dma_pool: dma_pool_destroy(ha->s_dma_pool); ha->s_dma_pool = NULL; fail_free_nvram: kfree(ha->nvram); ha->nvram = NULL; fail_free_ctx_mempool: mempool_destroy(ha->ctx_mempool); ha->ctx_mempool = NULL; fail_free_srb_mempool: mempool_destroy(ha->srb_mempool); ha->srb_mempool = NULL; fail_free_gid_list: dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), ha->gid_list, ha->gid_list_dma); ha->gid_list = NULL; ha->gid_list_dma = 0; fail_free_tgt_mem: qlt_mem_free(ha); fail_free_init_cb: dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb, ha->init_cb_dma); ha->init_cb = NULL; ha->init_cb_dma = 0; fail: ql_log(ql_log_fatal, NULL, 0x0030, "Memory allocation failure.\n"); return -ENOMEM; } /* * qla2x00_free_fw_dump * Frees fw dump stuff. * * Input: * ha = adapter block pointer. */ static void qla2x00_free_fw_dump(struct qla_hw_data *ha) { if (ha->fce) dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce, ha->fce_dma); if (ha->fw_dump) { if (ha->eft) dma_free_coherent(&ha->pdev->dev, ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); vfree(ha->fw_dump); } ha->fce = NULL; ha->fce_dma = 0; ha->eft = NULL; ha->eft_dma = 0; ha->fw_dump = NULL; ha->fw_dumped = 0; ha->fw_dump_reading = 0; } /* * qla2x00_mem_free * Frees all adapter allocated memory. * * Input: * ha = adapter block pointer. */ static void qla2x00_mem_free(struct qla_hw_data *ha) { qla2x00_free_fw_dump(ha); if (ha->mctp_dump) dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump, ha->mctp_dump_dma); if (ha->srb_mempool) mempool_destroy(ha->srb_mempool); if (ha->dcbx_tlv) dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE, ha->dcbx_tlv, ha->dcbx_tlv_dma); if (ha->xgmac_data) dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE, ha->xgmac_data, ha->xgmac_data_dma); if (ha->sns_cmd) dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), ha->sns_cmd, ha->sns_cmd_dma); if (ha->ct_sns) dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), ha->ct_sns, ha->ct_sns_dma); if (ha->sfp_data) dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); if (ha->ms_iocb) dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); if (ha->ex_init_cb) dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma); if (ha->async_pd) dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma); if (ha->s_dma_pool) dma_pool_destroy(ha->s_dma_pool); if (ha->gid_list) dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), ha->gid_list, ha->gid_list_dma); if (IS_QLA82XX(ha)) { if (!list_empty(&ha->gbl_dsd_list)) { struct dsd_dma *dsd_ptr, *tdsd_ptr; /* clean up allocated prev pool */ list_for_each_entry_safe(dsd_ptr, tdsd_ptr, &ha->gbl_dsd_list, list) { dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma); list_del(&dsd_ptr->list); kfree(dsd_ptr); } } } if (ha->dl_dma_pool) dma_pool_destroy(ha->dl_dma_pool); if (ha->fcp_cmnd_dma_pool) dma_pool_destroy(ha->fcp_cmnd_dma_pool); if (ha->ctx_mempool) mempool_destroy(ha->ctx_mempool); qlt_mem_free(ha); if (ha->init_cb) dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb, ha->init_cb_dma); vfree(ha->optrom_buffer); kfree(ha->nvram); kfree(ha->npiv_info); kfree(ha->swl); kfree(ha->loop_id_map); ha->srb_mempool = NULL; ha->ctx_mempool = NULL; ha->sns_cmd = NULL; ha->sns_cmd_dma = 0; ha->ct_sns = NULL; ha->ct_sns_dma = 0; ha->ms_iocb = NULL; ha->ms_iocb_dma = 0; ha->init_cb = NULL; ha->init_cb_dma = 0; ha->ex_init_cb = NULL; ha->ex_init_cb_dma = 0; ha->async_pd = NULL; ha->async_pd_dma = 0; ha->s_dma_pool = NULL; ha->dl_dma_pool = NULL; ha->fcp_cmnd_dma_pool = NULL; ha->gid_list = NULL; ha->gid_list_dma = 0; ha->tgt.atio_ring = NULL; ha->tgt.atio_dma = 0; ha->tgt.tgt_vp_map = NULL; } struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, struct qla_hw_data *ha) { struct Scsi_Host *host; struct scsi_qla_host *vha = NULL; host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); if (host == NULL) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0107, "Failed to allocate host from the scsi layer, aborting.\n"); goto fail; } /* Clear our data area */ vha = shost_priv(host); memset(vha, 0, sizeof(scsi_qla_host_t)); vha->host = host; vha->host_no = host->host_no; vha->hw = ha; INIT_LIST_HEAD(&vha->vp_fcports); INIT_LIST_HEAD(&vha->work_list); INIT_LIST_HEAD(&vha->list); spin_lock_init(&vha->work_lock); sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no); ql_dbg(ql_dbg_init, vha, 0x0041, "Allocated the host=%p hw=%p vha=%p dev_name=%s", vha->host, vha->hw, vha, dev_name(&(ha->pdev->dev))); return vha; fail: return vha; } static struct qla_work_evt * qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type) { struct qla_work_evt *e; uint8_t bail; QLA_VHA_MARK_BUSY(vha, bail); if (bail) return NULL; e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC); if (!e) { QLA_VHA_MARK_NOT_BUSY(vha); return NULL; } INIT_LIST_HEAD(&e->list); e->type = type; e->flags = QLA_EVT_FLAG_FREE; return e; } static int qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e) { unsigned long flags; spin_lock_irqsave(&vha->work_lock, flags); list_add_tail(&e->list, &vha->work_list); spin_unlock_irqrestore(&vha->work_lock, flags); qla2xxx_wake_dpc(vha); return QLA_SUCCESS; } int qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code, u32 data) { struct qla_work_evt *e; e = qla2x00_alloc_work(vha, QLA_EVT_AEN); if (!e) return QLA_FUNCTION_FAILED; e->u.aen.code = code; e->u.aen.data = data; return qla2x00_post_work(vha, e); } int qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb) { struct qla_work_evt *e; e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK); if (!e) return QLA_FUNCTION_FAILED; memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t)); return qla2x00_post_work(vha, e); } #define qla2x00_post_async_work(name, type) \ int qla2x00_post_async_##name##_work( \ struct scsi_qla_host *vha, \ fc_port_t *fcport, uint16_t *data) \ { \ struct qla_work_evt *e; \ \ e = qla2x00_alloc_work(vha, type); \ if (!e) \ return QLA_FUNCTION_FAILED; \ \ e->u.logio.fcport = fcport; \ if (data) { \ e->u.logio.data[0] = data[0]; \ e->u.logio.data[1] = data[1]; \ } \ return qla2x00_post_work(vha, e); \ } qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN); qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE); qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT); qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE); qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC); qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE); int qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code) { struct qla_work_evt *e; e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT); if (!e) return QLA_FUNCTION_FAILED; e->u.uevent.code = code; return qla2x00_post_work(vha, e); } static void qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code) { char event_string[40]; char *envp[] = { event_string, NULL }; switch (code) { case QLA_UEVENT_CODE_FW_DUMP: snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld", vha->host_no); break; default: /* do nothing */ break; } kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp); } void qla2x00_do_work(struct scsi_qla_host *vha) { struct qla_work_evt *e, *tmp; unsigned long flags; LIST_HEAD(work); spin_lock_irqsave(&vha->work_lock, flags); list_splice_init(&vha->work_list, &work); spin_unlock_irqrestore(&vha->work_lock, flags); list_for_each_entry_safe(e, tmp, &work, list) { list_del_init(&e->list); switch (e->type) { case QLA_EVT_AEN: fc_host_post_event(vha->host, fc_get_event_number(), e->u.aen.code, e->u.aen.data); break; case QLA_EVT_IDC_ACK: qla81xx_idc_ack(vha, e->u.idc_ack.mb); break; case QLA_EVT_ASYNC_LOGIN: qla2x00_async_login(vha, e->u.logio.fcport, e->u.logio.data); break; case QLA_EVT_ASYNC_LOGIN_DONE: qla2x00_async_login_done(vha, e->u.logio.fcport, e->u.logio.data); break; case QLA_EVT_ASYNC_LOGOUT: qla2x00_async_logout(vha, e->u.logio.fcport); break; case QLA_EVT_ASYNC_LOGOUT_DONE: qla2x00_async_logout_done(vha, e->u.logio.fcport, e->u.logio.data); break; case QLA_EVT_ASYNC_ADISC: qla2x00_async_adisc(vha, e->u.logio.fcport, e->u.logio.data); break; case QLA_EVT_ASYNC_ADISC_DONE: qla2x00_async_adisc_done(vha, e->u.logio.fcport, e->u.logio.data); break; case QLA_EVT_UEVENT: qla2x00_uevent_emit(vha, e->u.uevent.code); break; } if (e->flags & QLA_EVT_FLAG_FREE) kfree(e); /* For each work completed decrement vha ref count */ QLA_VHA_MARK_NOT_BUSY(vha); } } /* Relogins all the fcports of a vport * Context: dpc thread */ void qla2x00_relogin(struct scsi_qla_host *vha) { fc_port_t *fcport; int status; uint16_t next_loopid = 0; struct qla_hw_data *ha = vha->hw; uint16_t data[2]; list_for_each_entry(fcport, &vha->vp_fcports, list) { /* * If the port is not ONLINE then try to login * to it if we haven't run out of retries. */ if (atomic_read(&fcport->state) != FCS_ONLINE && fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) { fcport->login_retry--; if (fcport->flags & FCF_FABRIC_DEVICE) { if (fcport->flags & FCF_FCP2_DEVICE) ha->isp_ops->fabric_logout(vha, fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); if (fcport->loop_id == FC_NO_LOOP_ID) { fcport->loop_id = next_loopid = ha->min_external_loopid; status = qla2x00_find_new_loop_id( vha, fcport); if (status != QLA_SUCCESS) { /* Ran out of IDs to use */ break; } } if (IS_ALOGIO_CAPABLE(ha)) { fcport->flags |= FCF_ASYNC_SENT; data[0] = 0; data[1] = QLA_LOGIO_LOGIN_RETRIED; status = qla2x00_post_async_login_work( vha, fcport, data); if (status == QLA_SUCCESS) continue; /* Attempt a retry. */ status = 1; } else { status = qla2x00_fabric_login(vha, fcport, &next_loopid); if (status == QLA_SUCCESS) { int status2; uint8_t opts; opts = 0; if (fcport->flags & FCF_FCP2_DEVICE) opts |= BIT_1; status2 = qla2x00_get_port_database( vha, fcport, opts); if (status2 != QLA_SUCCESS) status = 1; } } } else status = qla2x00_local_device_login(vha, fcport); if (status == QLA_SUCCESS) { fcport->old_loop_id = fcport->loop_id; ql_dbg(ql_dbg_disc, vha, 0x2003, "Port login OK: logged in ID 0x%x.\n", fcport->loop_id); qla2x00_update_fcport(vha, fcport); } else if (status == 1) { set_bit(RELOGIN_NEEDED, &vha->dpc_flags); /* retry the login again */ ql_dbg(ql_dbg_disc, vha, 0x2007, "Retrying %d login again loop_id 0x%x.\n", fcport->login_retry, fcport->loop_id); } else { fcport->login_retry = 0; } if (fcport->login_retry == 0 && status != QLA_SUCCESS) qla2x00_clear_loop_id(fcport); } if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; } } /* Schedule work on any of the dpc-workqueues */ void qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code) { struct qla_hw_data *ha = base_vha->hw; switch (work_code) { case MBA_IDC_AEN: /* 0x8200 */ if (ha->dpc_lp_wq) queue_work(ha->dpc_lp_wq, &ha->idc_aen); break; case QLA83XX_NIC_CORE_RESET: /* 0x1 */ if (!ha->flags.nic_core_reset_hdlr_active) { if (ha->dpc_hp_wq) queue_work(ha->dpc_hp_wq, &ha->nic_core_reset); } else ql_dbg(ql_dbg_p3p, base_vha, 0xb05e, "NIC Core reset is already active. Skip " "scheduling it again.\n"); break; case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */ if (ha->dpc_hp_wq) queue_work(ha->dpc_hp_wq, &ha->idc_state_handler); break; case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */ if (ha->dpc_hp_wq) queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable); break; default: ql_log(ql_log_warn, base_vha, 0xb05f, "Unknow work-code=0x%x.\n", work_code); } return; } /* Work: Perform NIC Core Unrecoverable state handling */ void qla83xx_nic_core_unrecoverable_work(struct work_struct *work) { struct qla_hw_data *ha = container_of(work, struct qla_hw_data, nic_core_reset); scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); uint32_t dev_state = 0; qla83xx_idc_lock(base_vha, 0); qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); qla83xx_reset_ownership(base_vha); if (ha->flags.nic_core_reset_owner) { ha->flags.nic_core_reset_owner = 0; qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED); ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n"); qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER); } qla83xx_idc_unlock(base_vha, 0); } /* Work: Execute IDC state handler */ void qla83xx_idc_state_handler_work(struct work_struct *work) { struct qla_hw_data *ha = container_of(work, struct qla_hw_data, nic_core_reset); scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); uint32_t dev_state = 0; qla83xx_idc_lock(base_vha, 0); qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); if (dev_state == QLA8XXX_DEV_FAILED || dev_state == QLA8XXX_DEV_NEED_QUIESCENT) qla83xx_idc_state_handler(base_vha); qla83xx_idc_unlock(base_vha, 0); } int qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha) { int rval = QLA_SUCCESS; unsigned long heart_beat_wait = jiffies + (1 * HZ); uint32_t heart_beat_counter1, heart_beat_counter2; do { if (time_after(jiffies, heart_beat_wait)) { ql_dbg(ql_dbg_p3p, base_vha, 0xb07c, "Nic Core f/w is not alive.\n"); rval = QLA_FUNCTION_FAILED; break; } qla83xx_idc_lock(base_vha, 0); qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT, &heart_beat_counter1); qla83xx_idc_unlock(base_vha, 0); msleep(100); qla83xx_idc_lock(base_vha, 0); qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT, &heart_beat_counter2); qla83xx_idc_unlock(base_vha, 0); } while (heart_beat_counter1 == heart_beat_counter2); return rval; } /* Work: Perform NIC Core Reset handling */ void qla83xx_nic_core_reset_work(struct work_struct *work) { struct qla_hw_data *ha = container_of(work, struct qla_hw_data, nic_core_reset); scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); uint32_t dev_state = 0; if (IS_QLA2031(ha)) { if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS) ql_log(ql_log_warn, base_vha, 0xb081, "Failed to dump mctp\n"); return; } if (!ha->flags.nic_core_reset_hdlr_active) { if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) { qla83xx_idc_lock(base_vha, 0); qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); qla83xx_idc_unlock(base_vha, 0); if (dev_state != QLA8XXX_DEV_NEED_RESET) { ql_dbg(ql_dbg_p3p, base_vha, 0xb07a, "Nic Core f/w is alive.\n"); return; } } ha->flags.nic_core_reset_hdlr_active = 1; if (qla83xx_nic_core_reset(base_vha)) { /* NIC Core reset failed. */ ql_dbg(ql_dbg_p3p, base_vha, 0xb061, "NIC Core reset failed.\n"); } ha->flags.nic_core_reset_hdlr_active = 0; } } /* Work: Handle 8200 IDC aens */ void qla83xx_service_idc_aen(struct work_struct *work) { struct qla_hw_data *ha = container_of(work, struct qla_hw_data, idc_aen); scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); uint32_t dev_state, idc_control; qla83xx_idc_lock(base_vha, 0); qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control); qla83xx_idc_unlock(base_vha, 0); if (dev_state == QLA8XXX_DEV_NEED_RESET) { if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) { ql_dbg(ql_dbg_p3p, base_vha, 0xb062, "Application requested NIC Core Reset.\n"); qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET); } else if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) { ql_dbg(ql_dbg_p3p, base_vha, 0xb07b, "Other protocol driver requested NIC Core Reset.\n"); qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET); } } else if (dev_state == QLA8XXX_DEV_FAILED || dev_state == QLA8XXX_DEV_NEED_QUIESCENT) { qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER); } } static void qla83xx_wait_logic(void) { int i; /* Yield CPU */ if (!in_interrupt()) { /* * Wait about 200ms before retrying again. * This controls the number of retries for single * lock operation. */ msleep(100); schedule(); } else { for (i = 0; i < 20; i++) cpu_relax(); /* This a nop instr on i386 */ } } int qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha) { int rval; uint32_t data; uint32_t idc_lck_rcvry_stage_mask = 0x3; uint32_t idc_lck_rcvry_owner_mask = 0x3c; struct qla_hw_data *ha = base_vha->hw; rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data); if (rval) return rval; if ((data & idc_lck_rcvry_stage_mask) > 0) { return QLA_SUCCESS; } else { data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2); rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, data); if (rval) return rval; msleep(200); rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data); if (rval) return rval; if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) { data &= (IDC_LOCK_RECOVERY_STAGE2 | ~(idc_lck_rcvry_stage_mask)); rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, data); if (rval) return rval; /* Forcefully perform IDC UnLock */ rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data); if (rval) return rval; /* Clear lock-id by setting 0xff */ rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff); if (rval) return rval; /* Clear lock-recovery by setting 0x0 */ rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, 0x0); if (rval) return rval; } else return QLA_SUCCESS; } return rval; } int qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha) { int rval = QLA_SUCCESS; uint32_t o_drv_lockid, n_drv_lockid; unsigned long lock_recovery_timeout; lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT; retry_lockid: rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid); if (rval) goto exit; /* MAX wait time before forcing IDC Lock recovery = 2 secs */ if (time_after_eq(jiffies, lock_recovery_timeout)) { if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS) return QLA_SUCCESS; else return QLA_FUNCTION_FAILED; } rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid); if (rval) goto exit; if (o_drv_lockid == n_drv_lockid) { qla83xx_wait_logic(); goto retry_lockid; } else return QLA_SUCCESS; exit: return rval; } void qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id) { uint16_t options = (requester_id << 15) | BIT_6; uint32_t data; struct qla_hw_data *ha = base_vha->hw; /* IDC-lock implementation using driver-lock/lock-id remote registers */ retry_lock: if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data) == QLA_SUCCESS) { if (data) { /* Setting lock-id to our function-number */ qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, ha->portnum); } else { ql_dbg(ql_dbg_p3p, base_vha, 0xb063, "Failed to acquire IDC lock. retrying...\n"); /* Retry/Perform IDC-Lock recovery */ if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) { qla83xx_wait_logic(); goto retry_lock; } else ql_log(ql_log_warn, base_vha, 0xb075, "IDC Lock recovery FAILED.\n"); } } return; /* XXX: IDC-lock implementation using access-control mbx */ retry_lock2: if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) { ql_dbg(ql_dbg_p3p, base_vha, 0xb072, "Failed to acquire IDC lock. retrying...\n"); /* Retry/Perform IDC-Lock recovery */ if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) { qla83xx_wait_logic(); goto retry_lock2; } else ql_log(ql_log_warn, base_vha, 0xb076, "IDC Lock recovery FAILED.\n"); } return; } void qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id) { uint16_t options = (requester_id << 15) | BIT_7, retry; uint32_t data; struct qla_hw_data *ha = base_vha->hw; /* IDC-unlock implementation using driver-unlock/lock-id * remote registers */ retry = 0; retry_unlock: if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data) == QLA_SUCCESS) { if (data == ha->portnum) { qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data); /* Clearing lock-id by setting 0xff */ qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff); } else if (retry < 10) { /* SV: XXX: IDC unlock retrying needed here? */ /* Retry for IDC-unlock */ qla83xx_wait_logic(); retry++; ql_dbg(ql_dbg_p3p, base_vha, 0xb064, "Failed to release IDC lock, retyring=%d\n", retry); goto retry_unlock; } } else if (retry < 10) { /* Retry for IDC-unlock */ qla83xx_wait_logic(); retry++; ql_dbg(ql_dbg_p3p, base_vha, 0xb065, "Failed to read drv-lockid, retyring=%d\n", retry); goto retry_unlock; } return; /* XXX: IDC-unlock implementation using access-control mbx */ retry = 0; retry_unlock2: if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) { if (retry < 10) { /* Retry for IDC-unlock */ qla83xx_wait_logic(); retry++; ql_dbg(ql_dbg_p3p, base_vha, 0xb066, "Failed to release IDC lock, retyring=%d\n", retry); goto retry_unlock2; } } return; } int __qla83xx_set_drv_presence(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; struct qla_hw_data *ha = vha->hw; uint32_t drv_presence; rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); if (rval == QLA_SUCCESS) { drv_presence |= (1 << ha->portnum); rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE, drv_presence); } return rval; } int qla83xx_set_drv_presence(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; qla83xx_idc_lock(vha, 0); rval = __qla83xx_set_drv_presence(vha); qla83xx_idc_unlock(vha, 0); return rval; } int __qla83xx_clear_drv_presence(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; struct qla_hw_data *ha = vha->hw; uint32_t drv_presence; rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); if (rval == QLA_SUCCESS) { drv_presence &= ~(1 << ha->portnum); rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE, drv_presence); } return rval; } int qla83xx_clear_drv_presence(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; qla83xx_idc_lock(vha, 0); rval = __qla83xx_clear_drv_presence(vha); qla83xx_idc_unlock(vha, 0); return rval; } void qla83xx_need_reset_handler(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; uint32_t drv_ack, drv_presence; unsigned long ack_timeout; /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */ ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ); while (1) { qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack); qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); if (drv_ack == drv_presence) break; if (time_after_eq(jiffies, ack_timeout)) { ql_log(ql_log_warn, vha, 0xb067, "RESET ACK TIMEOUT! drv_presence=0x%x " "drv_ack=0x%x\n", drv_presence, drv_ack); /* * The function(s) which did not ack in time are forced * to withdraw any further participation in the IDC * reset. */ if (drv_ack != drv_presence) qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE, drv_ack); break; } qla83xx_idc_unlock(vha, 0); msleep(1000); qla83xx_idc_lock(vha, 0); } qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD); ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n"); } int qla83xx_device_bootstrap(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; uint32_t idc_control; qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING); ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n"); /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */ __qla83xx_get_idc_control(vha, &idc_control); idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET; __qla83xx_set_idc_control(vha, 0); qla83xx_idc_unlock(vha, 0); rval = qla83xx_restart_nic_firmware(vha); qla83xx_idc_lock(vha, 0); if (rval != QLA_SUCCESS) { ql_log(ql_log_fatal, vha, 0xb06a, "Failed to restart NIC f/w.\n"); qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED); ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n"); } else { ql_dbg(ql_dbg_p3p, vha, 0xb06c, "Success in restarting nic f/w.\n"); qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY); ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n"); } return rval; } /* Assumes idc_lock always held on entry */ int qla83xx_idc_state_handler(scsi_qla_host_t *base_vha) { struct qla_hw_data *ha = base_vha->hw; int rval = QLA_SUCCESS; unsigned long dev_init_timeout; uint32_t dev_state; /* Wait for MAX-INIT-TIMEOUT for the device to go ready */ dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ); while (1) { if (time_after_eq(jiffies, dev_init_timeout)) { ql_log(ql_log_warn, base_vha, 0xb06e, "Initialization TIMEOUT!\n"); /* Init timeout. Disable further NIC Core * communication. */ qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED); ql_log(ql_log_info, base_vha, 0xb06f, "HW State: FAILED.\n"); } qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); switch (dev_state) { case QLA8XXX_DEV_READY: if (ha->flags.nic_core_reset_owner) qla83xx_idc_audit(base_vha, IDC_AUDIT_COMPLETION); ha->flags.nic_core_reset_owner = 0; ql_dbg(ql_dbg_p3p, base_vha, 0xb070, "Reset_owner reset by 0x%x.\n", ha->portnum); goto exit; case QLA8XXX_DEV_COLD: if (ha->flags.nic_core_reset_owner) rval = qla83xx_device_bootstrap(base_vha); else { /* Wait for AEN to change device-state */ qla83xx_idc_unlock(base_vha, 0); msleep(1000); qla83xx_idc_lock(base_vha, 0); } break; case QLA8XXX_DEV_INITIALIZING: /* Wait for AEN to change device-state */ qla83xx_idc_unlock(base_vha, 0); msleep(1000); qla83xx_idc_lock(base_vha, 0); break; case QLA8XXX_DEV_NEED_RESET: if (!ql2xdontresethba && ha->flags.nic_core_reset_owner) qla83xx_need_reset_handler(base_vha); else { /* Wait for AEN to change device-state */ qla83xx_idc_unlock(base_vha, 0); msleep(1000); qla83xx_idc_lock(base_vha, 0); } /* reset timeout value after need reset handler */ dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ); break; case QLA8XXX_DEV_NEED_QUIESCENT: /* XXX: DEBUG for now */ qla83xx_idc_unlock(base_vha, 0); msleep(1000); qla83xx_idc_lock(base_vha, 0); break; case QLA8XXX_DEV_QUIESCENT: /* XXX: DEBUG for now */ if (ha->flags.quiesce_owner) goto exit; qla83xx_idc_unlock(base_vha, 0); msleep(1000); qla83xx_idc_lock(base_vha, 0); dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ); break; case QLA8XXX_DEV_FAILED: if (ha->flags.nic_core_reset_owner) qla83xx_idc_audit(base_vha, IDC_AUDIT_COMPLETION); ha->flags.nic_core_reset_owner = 0; __qla83xx_clear_drv_presence(base_vha); qla83xx_idc_unlock(base_vha, 0); qla8xxx_dev_failed_handler(base_vha); rval = QLA_FUNCTION_FAILED; qla83xx_idc_lock(base_vha, 0); goto exit; case QLA8XXX_BAD_VALUE: qla83xx_idc_unlock(base_vha, 0); msleep(1000); qla83xx_idc_lock(base_vha, 0); break; default: ql_log(ql_log_warn, base_vha, 0xb071, "Unknow Device State: %x.\n", dev_state); qla83xx_idc_unlock(base_vha, 0); qla8xxx_dev_failed_handler(base_vha); rval = QLA_FUNCTION_FAILED; qla83xx_idc_lock(base_vha, 0); goto exit; } } exit: return rval; } /************************************************************************** * qla2x00_do_dpc * This kernel thread is a task that is schedule by the interrupt handler * to perform the background processing for interrupts. * * Notes: * This task always run in the context of a kernel thread. It * is kick-off by the driver's detect code and starts up * up one per adapter. It immediately goes to sleep and waits for * some fibre event. When either the interrupt handler or * the timer routine detects a event it will one of the task * bits then wake us up. **************************************************************************/ static int qla2x00_do_dpc(void *data) { int rval; scsi_qla_host_t *base_vha; struct qla_hw_data *ha; ha = (struct qla_hw_data *)data; base_vha = pci_get_drvdata(ha->pdev); set_user_nice(current, -20); set_current_state(TASK_INTERRUPTIBLE); while (!kthread_should_stop()) { ql_dbg(ql_dbg_dpc, base_vha, 0x4000, "DPC handler sleeping.\n"); schedule(); __set_current_state(TASK_RUNNING); if (!base_vha->flags.init_done || ha->flags.mbox_busy) goto end_loop; if (ha->flags.eeh_busy) { ql_dbg(ql_dbg_dpc, base_vha, 0x4003, "eeh_busy=%d.\n", ha->flags.eeh_busy); goto end_loop; } ha->dpc_active = 1; ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001, "DPC handler waking up, dpc_flags=0x%lx.\n", base_vha->dpc_flags); qla2x00_do_work(base_vha); if (IS_QLA82XX(ha)) { if (test_and_clear_bit(ISP_UNRECOVERABLE, &base_vha->dpc_flags)) { qla82xx_idc_lock(ha); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_FAILED); qla82xx_idc_unlock(ha); ql_log(ql_log_info, base_vha, 0x4004, "HW State: FAILED.\n"); qla82xx_device_state_handler(base_vha); continue; } if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED, &base_vha->dpc_flags)) { ql_dbg(ql_dbg_dpc, base_vha, 0x4005, "FCoE context reset scheduled.\n"); if (!(test_and_set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags))) { if (qla82xx_fcoe_ctx_reset(base_vha)) { /* FCoE-ctx reset failed. * Escalate to chip-reset */ set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); } clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); } ql_dbg(ql_dbg_dpc, base_vha, 0x4006, "FCoE context reset end.\n"); } } if (test_and_clear_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) { ql_dbg(ql_dbg_dpc, base_vha, 0x4007, "ISP abort scheduled.\n"); if (!(test_and_set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags))) { if (ha->isp_ops->abort_isp(base_vha)) { /* failed. retry later */ set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); } clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); } ql_dbg(ql_dbg_dpc, base_vha, 0x4008, "ISP abort end.\n"); } if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) { qla2x00_update_fcports(base_vha); clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); } if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) { int ret; ret = qla2x00_send_change_request(base_vha, 0x3, 0); if (ret != QLA_SUCCESS) ql_log(ql_log_warn, base_vha, 0x121, "Failed to enable receiving of RSCN " "requests: 0x%x.\n", ret); clear_bit(SCR_PENDING, &base_vha->dpc_flags); } if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) { ql_dbg(ql_dbg_dpc, base_vha, 0x4009, "Quiescence mode scheduled.\n"); if (IS_QLA82XX(ha)) { qla82xx_device_state_handler(base_vha); clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags); if (!ha->flags.quiesce_owner) { qla2x00_perform_loop_resync(base_vha); qla82xx_idc_lock(ha); qla82xx_clear_qsnt_ready(base_vha); qla82xx_idc_unlock(ha); } } else { clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags); qla2x00_quiesce_io(base_vha); } ql_dbg(ql_dbg_dpc, base_vha, 0x400a, "Quiescence mode end.\n"); } if (test_and_clear_bit(RESET_MARKER_NEEDED, &base_vha->dpc_flags) && (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) { ql_dbg(ql_dbg_dpc, base_vha, 0x400b, "Reset marker scheduled.\n"); qla2x00_rst_aen(base_vha); clear_bit(RESET_ACTIVE, &base_vha->dpc_flags); ql_dbg(ql_dbg_dpc, base_vha, 0x400c, "Reset marker end.\n"); } /* Retry each device up to login retry count */ if ((test_and_clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags)) && !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) && atomic_read(&base_vha->loop_state) != LOOP_DOWN) { ql_dbg(ql_dbg_dpc, base_vha, 0x400d, "Relogin scheduled.\n"); qla2x00_relogin(base_vha); ql_dbg(ql_dbg_dpc, base_vha, 0x400e, "Relogin end.\n"); } if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags)) { ql_dbg(ql_dbg_dpc, base_vha, 0x400f, "Loop resync scheduled.\n"); if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &base_vha->dpc_flags))) { rval = qla2x00_loop_resync(base_vha); clear_bit(LOOP_RESYNC_ACTIVE, &base_vha->dpc_flags); } ql_dbg(ql_dbg_dpc, base_vha, 0x4010, "Loop resync end.\n"); } if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) && atomic_read(&base_vha->loop_state) == LOOP_READY) { clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags); qla2xxx_flash_npiv_conf(base_vha); } if (!ha->interrupts_on) ha->isp_ops->enable_intrs(ha); if (test_and_clear_bit(BEACON_BLINK_NEEDED, &base_vha->dpc_flags)) ha->isp_ops->beacon_blink(base_vha); qla2x00_do_dpc_all_vps(base_vha); ha->dpc_active = 0; end_loop: set_current_state(TASK_INTERRUPTIBLE); } /* End of while(1) */ __set_current_state(TASK_RUNNING); ql_dbg(ql_dbg_dpc, base_vha, 0x4011, "DPC handler exiting.\n"); /* * Make sure that nobody tries to wake us up again. */ ha->dpc_active = 0; /* Cleanup any residual CTX SRBs. */ qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); return 0; } void qla2xxx_wake_dpc(struct scsi_qla_host *vha) { struct qla_hw_data *ha = vha->hw; struct task_struct *t = ha->dpc_thread; if (!test_bit(UNLOADING, &vha->dpc_flags) && t) wake_up_process(t); } /* * qla2x00_rst_aen * Processes asynchronous reset. * * Input: * ha = adapter block pointer. */ static void qla2x00_rst_aen(scsi_qla_host_t *vha) { if (vha->flags.online && !vha->flags.reset_active && !atomic_read(&vha->loop_down_timer) && !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) { do { clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); /* * Issue marker command only when we are going to start * the I/O. */ vha->marker_needed = 1; } while (!atomic_read(&vha->loop_down_timer) && (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags))); } } /************************************************************************** * qla2x00_timer * * Description: * One second timer * * Context: Interrupt ***************************************************************************/ void qla2x00_timer(scsi_qla_host_t *vha) { unsigned long cpu_flags = 0; int start_dpc = 0; int index; srb_t *sp; uint16_t w; struct qla_hw_data *ha = vha->hw; struct req_que *req; if (ha->flags.eeh_busy) { ql_dbg(ql_dbg_timer, vha, 0x6000, "EEH = %d, restarting timer.\n", ha->flags.eeh_busy); qla2x00_restart_timer(vha, WATCH_INTERVAL); return; } /* Hardware read to raise pending EEH errors during mailbox waits. */ if (!pci_channel_offline(ha->pdev)) pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); /* Make sure qla82xx_watchdog is run only for physical port */ if (!vha->vp_idx && IS_QLA82XX(ha)) { if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) start_dpc++; qla82xx_watchdog(vha); } /* Loop down handler. */ if (atomic_read(&vha->loop_down_timer) > 0 && !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) && !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags)) && vha->flags.online) { if (atomic_read(&vha->loop_down_timer) == vha->loop_down_abort_time) { ql_log(ql_log_info, vha, 0x6008, "Loop down - aborting the queues before time expires.\n"); if (!IS_QLA2100(ha) && vha->link_down_timeout) atomic_set(&vha->loop_state, LOOP_DEAD); /* * Schedule an ISP abort to return any FCP2-device * commands. */ /* NPIV - scan physical port only */ if (!vha->vp_idx) { spin_lock_irqsave(&ha->hardware_lock, cpu_flags); req = ha->req_q_map[0]; for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { fc_port_t *sfcp; sp = req->outstanding_cmds[index]; if (!sp) continue; if (sp->type != SRB_SCSI_CMD) continue; sfcp = sp->fcport; if (!(sfcp->flags & FCF_FCP2_DEVICE)) continue; if (IS_QLA82XX(ha)) set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; } spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags); } start_dpc++; } /* if the loop has been down for 4 minutes, reinit adapter */ if (atomic_dec_and_test(&vha->loop_down_timer) != 0) { if (!(vha->device_flags & DFLG_NO_CABLE)) { ql_log(ql_log_warn, vha, 0x6009, "Loop down - aborting ISP.\n"); if (IS_QLA82XX(ha)) set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); } } ql_dbg(ql_dbg_timer, vha, 0x600a, "Loop down - seconds remaining %d.\n", atomic_read(&vha->loop_down_timer)); } /* Check if beacon LED needs to be blinked for physical host only */ if (!vha->vp_idx && (ha->beacon_blink_led == 1)) { /* There is no beacon_blink function for ISP82xx */ if (!IS_QLA82XX(ha)) { set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags); start_dpc++; } } /* Process any deferred work. */ if (!list_empty(&vha->work_list)) start_dpc++; /* Schedule the DPC routine if needed */ if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) || test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) || start_dpc || test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) || test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) || test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) || test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || test_bit(VP_DPC_NEEDED, &vha->dpc_flags) || test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) { ql_dbg(ql_dbg_timer, vha, 0x600b, "isp_abort_needed=%d loop_resync_needed=%d " "fcport_update_needed=%d start_dpc=%d " "reset_marker_needed=%d", test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags), test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags), test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags), start_dpc, test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)); ql_dbg(ql_dbg_timer, vha, 0x600c, "beacon_blink_needed=%d isp_unrecoverable=%d " "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d " "relogin_needed=%d.\n", test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags), test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags), test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags), test_bit(VP_DPC_NEEDED, &vha->dpc_flags), test_bit(RELOGIN_NEEDED, &vha->dpc_flags)); qla2xxx_wake_dpc(vha); } qla2x00_restart_timer(vha, WATCH_INTERVAL); } /* Firmware interface routines. */ #define FW_BLOBS 10 #define FW_ISP21XX 0 #define FW_ISP22XX 1 #define FW_ISP2300 2 #define FW_ISP2322 3 #define FW_ISP24XX 4 #define FW_ISP25XX 5 #define FW_ISP81XX 6 #define FW_ISP82XX 7 #define FW_ISP2031 8 #define FW_ISP8031 9 #define FW_FILE_ISP21XX "ql2100_fw.bin" #define FW_FILE_ISP22XX "ql2200_fw.bin" #define FW_FILE_ISP2300 "ql2300_fw.bin" #define FW_FILE_ISP2322 "ql2322_fw.bin" #define FW_FILE_ISP24XX "ql2400_fw.bin" #define FW_FILE_ISP25XX "ql2500_fw.bin" #define FW_FILE_ISP81XX "ql8100_fw.bin" #define FW_FILE_ISP82XX "ql8200_fw.bin" #define FW_FILE_ISP2031 "ql2600_fw.bin" #define FW_FILE_ISP8031 "ql8300_fw.bin" static DEFINE_MUTEX(qla_fw_lock); static struct fw_blob qla_fw_blobs[FW_BLOBS] = { { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, { .name = FW_FILE_ISP24XX, }, { .name = FW_FILE_ISP25XX, }, { .name = FW_FILE_ISP81XX, }, { .name = FW_FILE_ISP82XX, }, { .name = FW_FILE_ISP2031, }, { .name = FW_FILE_ISP8031, }, }; struct fw_blob * qla2x00_request_firmware(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; struct fw_blob *blob; if (IS_QLA2100(ha)) { blob = &qla_fw_blobs[FW_ISP21XX]; } else if (IS_QLA2200(ha)) { blob = &qla_fw_blobs[FW_ISP22XX]; } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { blob = &qla_fw_blobs[FW_ISP2300]; } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { blob = &qla_fw_blobs[FW_ISP2322]; } else if (IS_QLA24XX_TYPE(ha)) { blob = &qla_fw_blobs[FW_ISP24XX]; } else if (IS_QLA25XX(ha)) { blob = &qla_fw_blobs[FW_ISP25XX]; } else if (IS_QLA81XX(ha)) { blob = &qla_fw_blobs[FW_ISP81XX]; } else if (IS_QLA82XX(ha)) { blob = &qla_fw_blobs[FW_ISP82XX]; } else if (IS_QLA2031(ha)) { blob = &qla_fw_blobs[FW_ISP2031]; } else if (IS_QLA8031(ha)) { blob = &qla_fw_blobs[FW_ISP8031]; } else { return NULL; } mutex_lock(&qla_fw_lock); if (blob->fw) goto out; if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { ql_log(ql_log_warn, vha, 0x0063, "Failed to load firmware image (%s).\n", blob->name); blob->fw = NULL; blob = NULL; goto out; } out: mutex_unlock(&qla_fw_lock); return blob; } static void qla2x00_release_firmware(void) { int idx; mutex_lock(&qla_fw_lock); for (idx = 0; idx < FW_BLOBS; idx++) release_firmware(qla_fw_blobs[idx].fw); mutex_unlock(&qla_fw_lock); } static pci_ers_result_t qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) { scsi_qla_host_t *vha = pci_get_drvdata(pdev); struct qla_hw_data *ha = vha->hw; ql_dbg(ql_dbg_aer, vha, 0x9000, "PCI error detected, state %x.\n", state); switch (state) { case pci_channel_io_normal: ha->flags.eeh_busy = 0; return PCI_ERS_RESULT_CAN_RECOVER; case pci_channel_io_frozen: ha->flags.eeh_busy = 1; /* For ISP82XX complete any pending mailbox cmd */ if (IS_QLA82XX(ha)) { ha->flags.isp82xx_fw_hung = 1; ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n"); qla82xx_clear_pending_mbx(vha); } qla2x00_free_irqs(vha); pci_disable_device(pdev); /* Return back all IOs */ qla2x00_abort_all_cmds(vha, DID_RESET << 16); return PCI_ERS_RESULT_NEED_RESET; case pci_channel_io_perm_failure: ha->flags.pci_channel_io_perm_failure = 1; qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); return PCI_ERS_RESULT_DISCONNECT; } return PCI_ERS_RESULT_NEED_RESET; } static pci_ers_result_t qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) { int risc_paused = 0; uint32_t stat; unsigned long flags; scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); struct qla_hw_data *ha = base_vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; if (IS_QLA82XX(ha)) return PCI_ERS_RESULT_RECOVERED; spin_lock_irqsave(&ha->hardware_lock, flags); if (IS_QLA2100(ha) || IS_QLA2200(ha)){ stat = RD_REG_DWORD(®->hccr); if (stat & HCCR_RISC_PAUSE) risc_paused = 1; } else if (IS_QLA23XX(ha)) { stat = RD_REG_DWORD(®->u.isp2300.host_status); if (stat & HSR_RISC_PAUSED) risc_paused = 1; } else if (IS_FWI2_CAPABLE(ha)) { stat = RD_REG_DWORD(®24->host_status); if (stat & HSRX_RISC_PAUSED) risc_paused = 1; } spin_unlock_irqrestore(&ha->hardware_lock, flags); if (risc_paused) { ql_log(ql_log_info, base_vha, 0x9003, "RISC paused -- mmio_enabled, Dumping firmware.\n"); ha->isp_ops->fw_dump(base_vha, 0); return PCI_ERS_RESULT_NEED_RESET; } else return PCI_ERS_RESULT_RECOVERED; } uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha) { uint32_t rval = QLA_FUNCTION_FAILED; uint32_t drv_active = 0; struct qla_hw_data *ha = base_vha->hw; int fn; struct pci_dev *other_pdev = NULL; ql_dbg(ql_dbg_aer, base_vha, 0x9006, "Entered %s.\n", __func__); set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); if (base_vha->flags.online) { /* Abort all outstanding commands, * so as to be requeued later */ qla2x00_abort_isp_cleanup(base_vha); } fn = PCI_FUNC(ha->pdev->devfn); while (fn > 0) { fn--; ql_dbg(ql_dbg_aer, base_vha, 0x9007, "Finding pci device at function = 0x%x.\n", fn); other_pdev = pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), fn)); if (!other_pdev) continue; if (atomic_read(&other_pdev->enable_cnt)) { ql_dbg(ql_dbg_aer, base_vha, 0x9008, "Found PCI func available and enable at 0x%x.\n", fn); pci_dev_put(other_pdev); break; } pci_dev_put(other_pdev); } if (!fn) { /* Reset owner */ ql_dbg(ql_dbg_aer, base_vha, 0x9009, "This devfn is reset owner = 0x%x.\n", ha->pdev->devfn); qla82xx_idc_lock(ha); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_INITIALIZING); qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION); drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); ql_dbg(ql_dbg_aer, base_vha, 0x900a, "drv_active = 0x%x.\n", drv_active); qla82xx_idc_unlock(ha); /* Reset if device is not already reset * drv_active would be 0 if a reset has already been done */ if (drv_active) rval = qla82xx_start_firmware(base_vha); else rval = QLA_SUCCESS; qla82xx_idc_lock(ha); if (rval != QLA_SUCCESS) { ql_log(ql_log_info, base_vha, 0x900b, "HW State: FAILED.\n"); qla82xx_clear_drv_active(ha); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_FAILED); } else { ql_log(ql_log_info, base_vha, 0x900c, "HW State: READY.\n"); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_READY); qla82xx_idc_unlock(ha); ha->flags.isp82xx_fw_hung = 0; rval = qla82xx_restart_isp(base_vha); qla82xx_idc_lock(ha); /* Clear driver state register */ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0); qla82xx_set_drv_active(base_vha); } qla82xx_idc_unlock(ha); } else { ql_dbg(ql_dbg_aer, base_vha, 0x900d, "This devfn is not reset owner = 0x%x.\n", ha->pdev->devfn); if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) == QLA8XXX_DEV_READY)) { ha->flags.isp82xx_fw_hung = 0; rval = qla82xx_restart_isp(base_vha); qla82xx_idc_lock(ha); qla82xx_set_drv_active(base_vha); qla82xx_idc_unlock(ha); } } clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); return rval; } static pci_ers_result_t qla2xxx_pci_slot_reset(struct pci_dev *pdev) { pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); struct qla_hw_data *ha = base_vha->hw; struct rsp_que *rsp; int rc, retries = 10; ql_dbg(ql_dbg_aer, base_vha, 0x9004, "Slot Reset.\n"); /* Workaround: qla2xxx driver which access hardware earlier * needs error state to be pci_channel_io_online. * Otherwise mailbox command timesout. */ pdev->error_state = pci_channel_io_normal; pci_restore_state(pdev); /* pci_restore_state() clears the saved_state flag of the device * save restored state which resets saved_state flag */ pci_save_state(pdev); if (ha->mem_only) rc = pci_enable_device_mem(pdev); else rc = pci_enable_device(pdev); if (rc) { ql_log(ql_log_warn, base_vha, 0x9005, "Can't re-enable PCI device after reset.\n"); goto exit_slot_reset; } rsp = ha->rsp_q_map[0]; if (qla2x00_request_irqs(ha, rsp)) goto exit_slot_reset; if (ha->isp_ops->pci_config(base_vha)) goto exit_slot_reset; if (IS_QLA82XX(ha)) { if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) { ret = PCI_ERS_RESULT_RECOVERED; goto exit_slot_reset; } else goto exit_slot_reset; } while (ha->flags.mbox_busy && retries--) msleep(1000); set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS) ret = PCI_ERS_RESULT_RECOVERED; clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); exit_slot_reset: ql_dbg(ql_dbg_aer, base_vha, 0x900e, "slot_reset return %x.\n", ret); return ret; } static void qla2xxx_pci_resume(struct pci_dev *pdev) { scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); struct qla_hw_data *ha = base_vha->hw; int ret; ql_dbg(ql_dbg_aer, base_vha, 0x900f, "pci_resume.\n"); ret = qla2x00_wait_for_hba_online(base_vha); if (ret != QLA_SUCCESS) { ql_log(ql_log_fatal, base_vha, 0x9002, "The device failed to resume I/O from slot/link_reset.\n"); } pci_cleanup_aer_uncorrect_error_status(pdev); ha->flags.eeh_busy = 0; } static struct pci_error_handlers qla2xxx_err_handler = { .error_detected = qla2xxx_pci_error_detected, .mmio_enabled = qla2xxx_pci_mmio_enabled, .slot_reset = qla2xxx_pci_slot_reset, .resume = qla2xxx_pci_resume, }; static struct pci_device_id qla2xxx_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) }, { 0 }, }; MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); static struct pci_driver qla2xxx_pci_driver = { .name = QLA2XXX_DRIVER_NAME, .driver = { .owner = THIS_MODULE, }, .id_table = qla2xxx_pci_tbl, .probe = qla2x00_probe_one, .remove = qla2x00_remove_one, .shutdown = qla2x00_shutdown, .err_handler = &qla2xxx_err_handler, }; static struct file_operations apidev_fops = { .owner = THIS_MODULE, .llseek = noop_llseek, }; /** * qla2x00_module_init - Module initialization. **/ static int __init qla2x00_module_init(void) { int ret = 0; /* Allocate cache for SRBs. */ srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, SLAB_HWCACHE_ALIGN, NULL); if (srb_cachep == NULL) { ql_log(ql_log_fatal, NULL, 0x0001, "Unable to allocate SRB cache...Failing load!.\n"); return -ENOMEM; } /* Initialize target kmem_cache and mem_pools */ ret = qlt_init(); if (ret < 0) { kmem_cache_destroy(srb_cachep); return ret; } else if (ret > 0) { /* * If initiator mode is explictly disabled by qlt_init(), * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from * performing scsi_scan_target() during LOOP UP event. */ qla2xxx_transport_functions.disable_target_scan = 1; qla2xxx_transport_vport_functions.disable_target_scan = 1; } /* Derive version string. */ strcpy(qla2x00_version_str, QLA2XXX_VERSION); if (ql2xextended_error_logging) strcat(qla2x00_version_str, "-debug"); qla2xxx_transport_template = fc_attach_transport(&qla2xxx_transport_functions); if (!qla2xxx_transport_template) { kmem_cache_destroy(srb_cachep); ql_log(ql_log_fatal, NULL, 0x0002, "fc_attach_transport failed...Failing load!.\n"); qlt_exit(); return -ENODEV; } apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops); if (apidev_major < 0) { ql_log(ql_log_fatal, NULL, 0x0003, "Unable to register char device %s.\n", QLA2XXX_APIDEV); } qla2xxx_transport_vport_template = fc_attach_transport(&qla2xxx_transport_vport_functions); if (!qla2xxx_transport_vport_template) { kmem_cache_destroy(srb_cachep); qlt_exit(); fc_release_transport(qla2xxx_transport_template); ql_log(ql_log_fatal, NULL, 0x0004, "fc_attach_transport vport failed...Failing load!.\n"); return -ENODEV; } ql_log(ql_log_info, NULL, 0x0005, "QLogic Fibre Channel HBA Driver: %s.\n", qla2x00_version_str); ret = pci_register_driver(&qla2xxx_pci_driver); if (ret) { kmem_cache_destroy(srb_cachep); qlt_exit(); fc_release_transport(qla2xxx_transport_template); fc_release_transport(qla2xxx_transport_vport_template); ql_log(ql_log_fatal, NULL, 0x0006, "pci_register_driver failed...ret=%d Failing load!.\n", ret); } return ret; } /** * qla2x00_module_exit - Module cleanup. **/ static void __exit qla2x00_module_exit(void) { unregister_chrdev(apidev_major, QLA2XXX_APIDEV); pci_unregister_driver(&qla2xxx_pci_driver); qla2x00_release_firmware(); kmem_cache_destroy(srb_cachep); qlt_exit(); if (ctx_cachep) kmem_cache_destroy(ctx_cachep); fc_release_transport(qla2xxx_transport_template); fc_release_transport(qla2xxx_transport_vport_template); } module_init(qla2x00_module_init); module_exit(qla2x00_module_exit); MODULE_AUTHOR("QLogic Corporation"); MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(QLA2XXX_VERSION); MODULE_FIRMWARE(FW_FILE_ISP21XX); MODULE_FIRMWARE(FW_FILE_ISP22XX); MODULE_FIRMWARE(FW_FILE_ISP2300); MODULE_FIRMWARE(FW_FILE_ISP2322); MODULE_FIRMWARE(FW_FILE_ISP24XX); MODULE_FIRMWARE(FW_FILE_ISP25XX);