| /* |
| * QLogic Fibre Channel HBA Driver |
| * Copyright (c) 2003-2010 QLogic Corporation |
| * |
| * See LICENSE.qla2xxx for copyright and licensing details. |
| */ |
| #include "qla_def.h" |
| |
| #include <linux/moduleparam.h> |
| #include <linux/vmalloc.h> |
| #include <linux/delay.h> |
| #include <linux/kthread.h> |
| #include <linux/mutex.h> |
| #include <linux/kobject.h> |
| #include <linux/slab.h> |
| |
| #include <scsi/scsi_tcq.h> |
| #include <scsi/scsicam.h> |
| #include <scsi/scsi_transport.h> |
| #include <scsi/scsi_transport_fc.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; |
| |
| int ql2xlogintimeout = 20; |
| module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xlogintimeout, |
| "Login timeout value in seconds."); |
| |
| int qlport_down_retry; |
| module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); |
| 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|S_IRUSR); |
| MODULE_PARM_DESC(ql2xloginretrycount, |
| "Specify an alternate value for the NVRAM login retry count."); |
| |
| int ql2xallocfwdump = 1; |
| module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR); |
| 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, " |
| "Default is 0 - no logging. 1 - log errors."); |
| |
| int ql2xshiftctondsd = 6; |
| module_param(ql2xshiftctondsd, int, S_IRUGO|S_IRUSR); |
| 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|S_IRUSR); |
| 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 = 1; |
| 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"); |
| |
| int ql2xenablehba_err_chk; |
| module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR); |
| MODULE_PARM_DESC(ql2xenablehba_err_chk, |
| " Enable T10-CRC-DIF Error isolation by HBA" |
| " Default is 0 - Error isolation disabled, 1 - Enable it"); |
| |
| int ql2xiidmaenable=1; |
| module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xiidmaenable, |
| "Enables iIDMA settings " |
| "Default is 1 - perform iIDMA. 0 - no iIDMA."); |
| |
| int ql2xmaxqueues = 1; |
| module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR); |
| 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|S_IRUSR); |
| 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_IRUSR); |
| 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|S_IRUSR); |
| MODULE_PARM_DESC(ql2xetsenable, |
| "Enables firmware ETS burst." |
| "Default is 0 - skip ETS enablement."); |
| |
| int ql2xdbwr = 1; |
| module_param(ql2xdbwr, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xdbwr, |
| "Option to specify scheme for request queue posting\n" |
| " 0 -- Regular doorbell.\n" |
| " 1 -- CAMRAM doorbell (faster).\n"); |
| |
| int ql2xdontresethba; |
| module_param(ql2xdontresethba, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xdontresethba, |
| "Option to specify reset behaviour\n" |
| " 0 (Default) -- Reset on failure.\n" |
| " 1 -- Do not reset on failure.\n"); |
| |
| int ql2xtargetreset = 1; |
| module_param(ql2xtargetreset, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xtargetreset, |
| "Enable target reset." |
| "Default is 1 - use hw defaults."); |
| |
| |
| int ql2xasynctmfenable; |
| module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xasynctmfenable, |
| "Enables issue of TM IOCBs asynchronously via IOCB mechanism" |
| "Default is 0 - Issue TM IOCBs via mailbox mechanism."); |
| /* |
| * 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_cmnd *cmd, |
| void (*fn)(struct scsi_cmnd *)); |
| 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, |
| }; |
| |
| 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) |
| 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_mem_free(struct qla_hw_data *); |
| static void qla2x00_sp_free_dma(srb_t *); |
| |
| /* -------------------------------------------------------------------------- */ |
| static int qla2x00_alloc_queues(struct qla_hw_data *ha) |
| { |
| ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues, |
| GFP_KERNEL); |
| if (!ha->req_q_map) { |
| qla_printk(KERN_WARNING, ha, |
| "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) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to allocate memory for response queue ptrs\n"); |
| goto fail_rsp_map; |
| } |
| 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)) { |
| qla_printk(KERN_INFO, ha, |
| "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) { |
| qla_printk(KERN_WARNING, ha, |
| "Can't create request queue\n"); |
| goto fail; |
| } |
| ha->wq = create_workqueue("qla2xxx_wq"); |
| 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) { |
| qla_printk(KERN_WARNING, ha, |
| "Response Queue create failed\n"); |
| goto fail2; |
| } |
| } |
| ha->flags.cpu_affinity_enabled = 1; |
| |
| DEBUG2(qla_printk(KERN_INFO, ha, |
| "CPU affinity mode enabled, 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; |
| 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_find_capability(ha->pdev, PCI_CAP_ID_EXP); |
| if (pcie_reg) { |
| char lwstr[6]; |
| uint16_t pcie_lstat, lspeed, lwidth; |
| |
| pcie_reg += 0x12; |
| 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, "<unknown> "); |
| 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; |
| } |
| |
| static inline srb_t * |
| qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport, |
| struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
| { |
| srb_t *sp; |
| struct qla_hw_data *ha = vha->hw; |
| |
| sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); |
| if (!sp) |
| return sp; |
| |
| atomic_set(&sp->ref_count, 1); |
| sp->fcport = fcport; |
| sp->cmd = cmd; |
| sp->flags = 0; |
| CMD_SP(cmd) = (void *)sp; |
| cmd->scsi_done = done; |
| sp->ctx = NULL; |
| |
| return sp; |
| } |
| |
| static int |
| qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
| { |
| scsi_qla_host_t *vha = shost_priv(cmd->device->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) |
| cmd->result = DID_NO_CONNECT << 16; |
| else |
| cmd->result = DID_REQUEUE << 16; |
| goto qc24_fail_command; |
| } |
| |
| rval = fc_remote_port_chkready(rport); |
| if (rval) { |
| cmd->result = rval; |
| goto qc24_fail_command; |
| } |
| |
| /* Close window on fcport/rport state-transitioning. */ |
| if (fcport->drport) |
| goto qc24_target_busy; |
| |
| if (!vha->flags.difdix_supported && |
| scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { |
| DEBUG2(qla_printk(KERN_ERR, ha, |
| "DIF Cap Not Reg, fail DIF capable cmd's:%x\n", |
| cmd->cmnd[0])); |
| 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) { |
| cmd->result = DID_NO_CONNECT << 16; |
| goto qc24_fail_command; |
| } |
| goto qc24_target_busy; |
| } |
| |
| spin_unlock_irq(vha->host->host_lock); |
| |
| sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done); |
| if (!sp) |
| goto qc24_host_busy_lock; |
| |
| rval = ha->isp_ops->start_scsi(sp); |
| if (rval != QLA_SUCCESS) |
| goto qc24_host_busy_free_sp; |
| |
| spin_lock_irq(vha->host->host_lock); |
| |
| return 0; |
| |
| qc24_host_busy_free_sp: |
| qla2x00_sp_free_dma(sp); |
| mempool_free(sp, ha->srb_mempool); |
| |
| qc24_host_busy_lock: |
| spin_lock_irq(vha->host->host_lock); |
| return SCSI_MLQUEUE_HOST_BUSY; |
| |
| qc24_target_busy: |
| return SCSI_MLQUEUE_TARGET_BUSY; |
| |
| qc24_fail_command: |
| 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) { |
| DEBUG17(qla_printk(KERN_WARNING, ha, "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 |
| */ |
| 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; |
| |
| DEBUG2(printk("%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; |
| } |
| |
| /* |
| * qla2x00_wait_for_loop_ready |
| * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop |
| * to be in LOOP_READY state. |
| * Input: |
| * ha - pointer to host adapter structure |
| * |
| * Note: |
| * Does context switching-Release SPIN_LOCK |
| * (if any) before calling this routine. |
| * |
| * |
| * Return: |
| * Success (LOOP_READY) : 0 |
| * Failed (LOOP_NOT_READY) : 1 |
| */ |
| static inline int |
| qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha) |
| { |
| int return_status = QLA_SUCCESS; |
| unsigned long loop_timeout ; |
| struct qla_hw_data *ha = vha->hw; |
| scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); |
| |
| /* wait for 5 min at the max for loop to be ready */ |
| loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
| |
| while ((!atomic_read(&base_vha->loop_down_timer) && |
| atomic_read(&base_vha->loop_state) == LOOP_DOWN) || |
| atomic_read(&base_vha->loop_state) != LOOP_READY) { |
| if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) { |
| return_status = QLA_FUNCTION_FAILED; |
| break; |
| } |
| msleep(1000); |
| if (time_after_eq(jiffies, loop_timeout)) { |
| return_status = QLA_FUNCTION_FAILED; |
| break; |
| } |
| } |
| 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, i; |
| unsigned int id, lun; |
| unsigned long serial; |
| unsigned long flags; |
| int wait = 0; |
| struct qla_hw_data *ha = vha->hw; |
| struct req_que *req = vha->req; |
| srb_t *spt; |
| int got_ref = 0; |
| |
| fc_block_scsi_eh(cmd); |
| |
| if (!CMD_SP(cmd)) |
| return SUCCESS; |
| |
| ret = SUCCESS; |
| |
| id = cmd->device->id; |
| lun = cmd->device->lun; |
| serial = cmd->serial_number; |
| spt = (srb_t *) CMD_SP(cmd); |
| if (!spt) |
| return SUCCESS; |
| |
| /* Check active list for command command. */ |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
| sp = req->outstanding_cmds[i]; |
| |
| if (sp == NULL) |
| continue; |
| if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) && |
| !IS_PROT_IO(sp)) |
| continue; |
| if (sp->cmd != cmd) |
| continue; |
| |
| DEBUG2(printk("%s(%ld): aborting sp %p from RISC." |
| " pid=%ld.\n", __func__, vha->host_no, sp, serial)); |
| |
| /* Get a reference to the sp and drop the lock.*/ |
| sp_get(sp); |
| got_ref++; |
| |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| if (ha->isp_ops->abort_command(sp)) { |
| DEBUG2(printk("%s(%ld): abort_command " |
| "mbx failed.\n", __func__, vha->host_no)); |
| ret = FAILED; |
| } else { |
| DEBUG3(printk("%s(%ld): abort_command " |
| "mbx success.\n", __func__, vha->host_no)); |
| wait = 1; |
| } |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| break; |
| } |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| /* Wait for the command to be returned. */ |
| if (wait) { |
| if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) { |
| qla_printk(KERN_ERR, ha, |
| "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
| "%x.\n", vha->host_no, id, lun, serial, ret); |
| ret = FAILED; |
| } |
| } |
| |
| if (got_ref) |
| qla2x00_sp_compl(ha, sp); |
| |
| qla_printk(KERN_INFO, ha, |
| "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", |
| vha->host_no, id, lun, wait, serial, 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; |
| |
| 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->ctx) && !IS_PROT_IO(sp)) |
| continue; |
| if (vha->vp_idx != sp->fcport->vha->vp_idx) |
| continue; |
| match = 0; |
| switch (type) { |
| case WAIT_HOST: |
| match = 1; |
| break; |
| case WAIT_TARGET: |
| match = sp->cmd->device->id == t; |
| break; |
| case WAIT_LUN: |
| match = (sp->cmd->device->id == t && |
| sp->cmd->device->lun == l); |
| break; |
| } |
| if (!match) |
| continue; |
| |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| status = qla2x00_eh_wait_on_command(sp->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; |
| |
| fc_block_scsi_eh(cmd); |
| |
| if (!fcport) |
| return FAILED; |
| |
| qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n", |
| vha->host_no, cmd->device->id, cmd->device->lun, name); |
| |
| err = 0; |
| if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) |
| goto eh_reset_failed; |
| err = 1; |
| if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) |
| goto eh_reset_failed; |
| err = 2; |
| if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1) |
| != QLA_SUCCESS) |
| goto eh_reset_failed; |
| err = 3; |
| if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, |
| cmd->device->lun, type) != QLA_SUCCESS) |
| goto eh_reset_failed; |
| |
| qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n", |
| vha->host_no, cmd->device->id, cmd->device->lun, name); |
| |
| return SUCCESS; |
| |
| eh_reset_failed: |
| qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n" |
| , vha->host_no, cmd->device->id, cmd->device->lun, name, |
| reset_errors[err]); |
| 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; |
| unsigned long serial; |
| |
| fc_block_scsi_eh(cmd); |
| |
| id = cmd->device->id; |
| lun = cmd->device->lun; |
| serial = cmd->serial_number; |
| |
| if (!fcport) |
| return ret; |
| |
| qla_printk(KERN_INFO, vha->hw, |
| "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun); |
| |
| if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { |
| DEBUG2(printk("%s failed:board disabled\n",__func__)); |
| goto eh_bus_reset_done; |
| } |
| |
| if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) { |
| 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) |
| ret = FAILED; |
| |
| eh_bus_reset_done: |
| qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__, |
| (ret == FAILED) ? "failed" : "succeded"); |
| |
| 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); |
| fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| struct qla_hw_data *ha = vha->hw; |
| int ret = FAILED; |
| unsigned int id, lun; |
| unsigned long serial; |
| scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); |
| |
| fc_block_scsi_eh(cmd); |
| |
| id = cmd->device->id; |
| lun = cmd->device->lun; |
| serial = cmd->serial_number; |
| |
| if (!fcport) |
| return ret; |
| |
| qla_printk(KERN_INFO, ha, |
| "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun); |
| |
| if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS) |
| goto eh_host_reset_lock; |
| |
| /* |
| * Fixme-may be dpc thread is active and processing |
| * loop_resync,so wait a while for it to |
| * be completed and then issue big hammer.Otherwise |
| * it may cause I/O failure as big hammer marks the |
| * devices as lost kicking of the port_down_timer |
| * while dpc is stuck for the mailbox to complete. |
| */ |
| qla2x00_wait_for_loop_ready(vha); |
| 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) |
| 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: |
| qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
| (ret == FAILED) ? "failed" : "succeded"); |
| |
| 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) { |
| DEBUG2_3(printk("%s(%ld): bus_reset failed: " |
| "target_reset=%d d_id=%x.\n", __func__, |
| vha->host_no, ret, fcport->d_id.b24)); |
| } |
| } |
| } |
| |
| if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) { |
| ret = qla2x00_full_login_lip(vha); |
| if (ret != QLA_SUCCESS) { |
| DEBUG2_3(printk("%s(%ld): failed: " |
| "full_login_lip=%d.\n", __func__, vha->host_no, |
| ret)); |
| } |
| atomic_set(&vha->loop_state, LOOP_DOWN); |
| atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); |
| qla2x00_mark_all_devices_lost(vha, 0); |
| qla2x00_wait_for_loop_ready(vha); |
| } |
| |
| if (ha->flags.enable_lip_reset) { |
| ret = qla2x00_lip_reset(vha); |
| if (ret != QLA_SUCCESS) { |
| DEBUG2_3(printk("%s(%ld): failed: " |
| "lip_reset=%d.\n", __func__, vha->host_no, ret)); |
| } else |
| qla2x00_wait_for_loop_ready(vha); |
| } |
| |
| /* 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 srb_ctx *ctx; |
| 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; |
| if (!sp->ctx || |
| (sp->flags & SRB_FCP_CMND_DMA_VALID) || |
| IS_PROT_IO(sp)) { |
| sp->cmd->result = res; |
| qla2x00_sp_compl(ha, sp); |
| } else { |
| ctx = sp->ctx; |
| if (ctx->type == SRB_LOGIN_CMD || |
| ctx->type == SRB_LOGOUT_CMD) { |
| ctx->u.iocb_cmd->free(sp); |
| } else { |
| struct fc_bsg_job *bsg_job = |
| ctx->u.bsg_job; |
| if (bsg_job->request->msgcode |
| == FC_BSG_HST_CT) |
| kfree(sp->fcport); |
| bsg_job->req->errors = 0; |
| bsg_job->reply->result = res; |
| bsg_job->job_done(bsg_job); |
| kfree(sp->ctx); |
| mempool_free(sp, |
| ha->srb_mempool); |
| } |
| } |
| } |
| } |
| } |
| 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 qla_hw_data *ha = vha->hw; |
| struct fc_rport *rport = starget_to_rport(sdev->sdev_target); |
| 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); |
| |
| rport->dev_loss_tmo = ha->port_down_retry_count; |
| |
| 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; |
| |
| DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, |
| "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", |
| fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
| sdev->queue_depth)); |
| } |
| |
| 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 qla_hw_data *ha = vha->hw; |
| 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); |
| |
| DEBUG2(qla_printk(KERN_INFO, ha, |
| "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", |
| fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
| sdev->queue_depth)); |
| } |
| |
| 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 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, |
| }; |
| |
| 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, |
| }; |
| |
| 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, |
| }; |
| |
| 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, |
| }; |
| |
| 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 = 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, |
| }; |
| |
| 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 = qla82xx_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 = qla24xx_beacon_on, |
| .beacon_off = qla24xx_beacon_off, |
| .beacon_blink = qla24xx_beacon_blink, |
| .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, |
| }; |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| static int |
| qla2x00_iospace_config(struct qla_hw_data *ha) |
| { |
| resource_size_t pio; |
| uint16_t msix; |
| int cpus; |
| |
| if (IS_QLA82XX(ha)) |
| return qla82xx_iospace_config(ha); |
| |
| if (pci_request_selected_regions(ha->pdev, ha->bars, |
| QLA2XXX_DRIVER_NAME)) { |
| qla_printk(KERN_WARNING, ha, |
| "Failed to reserve PIO/MMIO regions (%s)\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) { |
| qla_printk(KERN_WARNING, ha, |
| "Invalid PCI I/O region size (%s)...\n", |
| pci_name(ha->pdev)); |
| pio = 0; |
| } |
| } else { |
| qla_printk(KERN_WARNING, ha, |
| "region #0 not a PIO resource (%s)...\n", |
| pci_name(ha->pdev)); |
| pio = 0; |
| } |
| ha->pio_address = pio; |
| |
| skip_pio: |
| /* Use MMIO operations for all accesses. */ |
| if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { |
| qla_printk(KERN_ERR, ha, |
| "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) { |
| qla_printk(KERN_ERR, ha, |
| "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) { |
| qla_printk(KERN_ERR, ha, |
| "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) { |
| /* 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; |
| DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no" |
| " of request queues:%d\n", ha->max_req_queues)); |
| } |
| qla_printk(KERN_INFO, ha, |
| "MSI-X vector count: %d\n", msix); |
| } else |
| qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n"); |
| |
| mqiobase_exit: |
| ha->msix_count = ha->max_rsp_queues + 1; |
| return (0); |
| |
| iospace_error_exit: |
| return (-ENOMEM); |
| } |
| |
| 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]; |
| struct scsi_host_template *sht; |
| int bars, max_id, 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) { |
| bars = pci_select_bars(pdev, IORESOURCE_MEM); |
| mem_only = 1; |
| } |
| |
| 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) { |
| DEBUG(printk("Unable to allocate memory for ha\n")); |
| goto probe_out; |
| } |
| ha->pdev = pdev; |
| |
| /* Clear our data area */ |
| ha->bars = bars; |
| ha->mem_only = mem_only; |
| spin_lock_init(&ha->hardware_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; |
| } |
| |
| /* Configure PCI I/O space */ |
| ret = qla2x00_iospace_config(ha); |
| if (ret) |
| goto probe_hw_failed; |
| |
| qla_printk(KERN_INFO, ha, |
| "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
| ha->iobase); |
| |
| 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. */ |
| max_id = MAX_TARGETS_2200; |
| if (IS_QLA2100(ha)) { |
| max_id = MAX_TARGETS_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->mbx_count = MAILBOX_REGISTER_COUNT; |
| 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->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->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_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->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_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->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->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->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; |
| } |
| |
| 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); |
| ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp); |
| if (!ret) { |
| qla_printk(KERN_WARNING, ha, |
| "[ERROR] Failed to allocate memory for adapter\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) { |
| qla_printk(KERN_WARNING, ha, |
| "[ERROR] Failed to allocate memory for scsi_host\n"); |
| |
| 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; |
| if (IS_QLA2100(ha)) |
| host->sg_tablesize = 32; |
| host->max_id = max_id; |
| host->this_id = 255; |
| host->cmd_per_lun = 3; |
| host->unique_id = host->host_no; |
| host->max_cmd_len = MAX_CMDSZ; |
| host->max_channel = MAX_BUSES - 1; |
| host->max_lun = MAX_LUNS; |
| host->transportt = qla2xxx_transport_template; |
| sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC); |
| |
| /* Set up the irqs */ |
| ret = qla2x00_request_irqs(ha, rsp); |
| if (ret) |
| goto probe_init_failed; |
| |
| pci_save_state(pdev); |
| |
| /* Alloc arrays of request and response ring ptrs */ |
| que_init: |
| if (!qla2x00_alloc_queues(ha)) { |
| qla_printk(KERN_WARNING, ha, |
| "[ERROR] Failed to allocate memory for queue" |
| " pointers\n"); |
| goto probe_init_failed; |
| } |
| |
| ha->rsp_q_map[0] = rsp; |
| ha->req_q_map[0] = req; |
| rsp->req = req; |
| req->rsp = rsp; |
| set_bit(0, ha->req_qid_map); |
| set_bit(0, ha->rsp_qid_map); |
| /* 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) { |
| 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]; |
| } |
| |
| if (qla2x00_initialize_adapter(base_vha)) { |
| qla_printk(KERN_WARNING, ha, |
| "Failed to initialize adapter\n"); |
| |
| DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " |
| "Adapter flags %x.\n", |
| base_vha->host_no, base_vha->device_flags)); |
| |
| if (IS_QLA82XX(ha)) { |
| qla82xx_idc_lock(ha); |
| qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, |
| QLA82XX_DEV_FAILED); |
| qla82xx_idc_unlock(ha); |
| qla_printk(KERN_INFO, ha, "HW State: FAILED\n"); |
| } |
| |
| ret = -ENODEV; |
| goto probe_failed; |
| } |
| |
| if (ha->mqenable) { |
| if (qla25xx_setup_mode(base_vha)) { |
| qla_printk(KERN_WARNING, ha, |
| "Can't 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)) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to start DPC thread!\n"); |
| ret = PTR_ERR(ha->dpc_thread); |
| goto probe_failed; |
| } |
| |
| 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); |
| |
| DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", |
| base_vha->host_no, ha)); |
| |
| if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) { |
| if (ha->fw_attributes & BIT_4) { |
| base_vha->flags.difdix_supported = 1; |
| DEBUG18(qla_printk(KERN_INFO, ha, |
| "Registering for DIF/DIX type 1 and 3" |
| " protection.\n")); |
| scsi_host_set_prot(host, |
| SHOST_DIF_TYPE1_PROTECTION |
| | SHOST_DIF_TYPE3_PROTECTION |
| | SHOST_DIX_TYPE1_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; |
| |
| scsi_scan_host(host); |
| |
| qla2x00_alloc_sysfs_attr(base_vha); |
| |
| qla2x00_init_host_attr(base_vha); |
| |
| qla2x00_dfs_setup(base_vha); |
| |
| qla_printk(KERN_INFO, ha, "\n" |
| " QLogic Fibre Channel HBA Driver: %s\n" |
| " QLogic %s - %s\n" |
| " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
| qla2x00_version_str, ha->model_number, |
| ha->model_desc ? ha->model_desc : "", 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)); |
| |
| return 0; |
| |
| probe_init_failed: |
| qla2x00_free_req_que(ha, req); |
| qla2x00_free_rsp_que(ha, rsp); |
| 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_remove_one(struct pci_dev *pdev) |
| { |
| scsi_qla_host_t *base_vha, *vha, *temp; |
| struct qla_hw_data *ha; |
| |
| base_vha = pci_get_drvdata(pdev); |
| ha = base_vha->hw; |
| |
| list_for_each_entry_safe(vha, temp, &ha->vp_list, list) { |
| if (vha && vha->fc_vport) |
| fc_vport_terminate(vha->fc_vport); |
| } |
| |
| 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; |
| } |
| |
| /* 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); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| |
| /* 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); |
| } |
| |
| 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); |
| |
| 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); |
| 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; |
| |
| if (!fcport->rport) |
| return; |
| |
| rport = fcport->rport; |
| if (defer) { |
| base_vha = pci_get_drvdata(vha->hw->pdev); |
| spin_lock_irq(vha->host->host_lock); |
| fcport->drport = rport; |
| spin_unlock_irq(vha->host->host_lock); |
| set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); |
| qla2xxx_wake_dpc(base_vha); |
| } else |
| fc_remote_port_delete(rport); |
| } |
| |
| /* |
| * 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->vp_idx) { |
| atomic_set(&fcport->state, 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) |
| atomic_set(&fcport->state, 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); |
| |
| DEBUG(printk("scsi(%ld): Port login retry: " |
| "%02x%02x%02x%02x%02x%02x%02x%02x, " |
| "id = 0x%04x retry cnt=%d\n", |
| vha->host_no, |
| 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->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) { |
| if (defer) |
| qla2x00_schedule_rport_del(vha, fcport, defer); |
| else if (vha->vp_idx == fcport->vp_idx) |
| qla2x00_schedule_rport_del(vha, fcport, defer); |
| } |
| atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| } |
| } |
| |
| /* |
| * 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; |
| |
| ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, |
| &ha->gid_list_dma, GFP_KERNEL); |
| if (!ha->gid_list) |
| goto fail_free_init_cb; |
| |
| 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; |
| } |
| |
| /* 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; |
| |
| 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) { |
| qla_printk(KERN_WARNING, ha, |
| "Memory Allocation failed - 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) { |
| qla_printk(KERN_WARNING, ha, |
| "Memory Allocation failed - fcp_cmnd_dma_pool\n"); |
| goto fail_dl_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; |
| } 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; |
| } |
| |
| /* Allocate memory for request ring */ |
| *req = kzalloc(sizeof(struct req_que), GFP_KERNEL); |
| if (!*req) { |
| DEBUG(printk("Unable 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) { |
| DEBUG(printk("Unable 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) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable 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) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to allocate memory for rsp_ring\n"); |
| goto fail_rsp_ring; |
| } |
| (*req)->rsp = *rsp; |
| (*rsp)->req = *req; |
| /* 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) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable 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_QLA8XXX_TYPE(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; |
| } |
| |
| 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; |
| } |
| |
| INIT_LIST_HEAD(&ha->vp_list); |
| 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, GID_LIST_SIZE, ha->gid_list, |
| ha->gid_list_dma); |
| ha->gid_list = NULL; |
| ha->gid_list_dma = 0; |
| 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: |
| DEBUG(printk("%s: Memory allocation failure\n", __func__)); |
| return -ENOMEM; |
| } |
| |
| /* |
| * qla2x00_mem_free |
| * Frees all adapter allocated memory. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| */ |
| static void |
| qla2x00_mem_free(struct qla_hw_data *ha) |
| { |
| if (ha->srb_mempool) |
| mempool_destroy(ha->srb_mempool); |
| |
| 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); |
| } |
| |
| 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->edc_data) |
| dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_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, GID_LIST_SIZE, 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); |
| |
| 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); |
| |
| ha->srb_mempool = NULL; |
| ha->ctx_mempool = NULL; |
| ha->eft = NULL; |
| ha->eft_dma = 0; |
| 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->fw_dump = NULL; |
| ha->fw_dumped = 0; |
| ha->fw_dump_reading = 0; |
| } |
| |
| 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) { |
| printk(KERN_WARNING |
| "qla2xxx: Couldn't allocate host from scsi layer!\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); |
| 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; |
| |
| e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC); |
| if (!e) |
| 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); |
| } |
| } |
| |
| /* 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 (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); |
| } else |
| status = qla2x00_local_device_login(vha, |
| fcport); |
| |
| if (status == QLA_SUCCESS) { |
| fcport->old_loop_id = fcport->loop_id; |
| |
| DEBUG(printk("scsi(%ld): port login OK: logged " |
| "in ID 0x%x\n", vha->host_no, fcport->loop_id)); |
| |
| qla2x00_update_fcport(vha, fcport); |
| |
| } else if (status == 1) { |
| set_bit(RELOGIN_NEEDED, &vha->dpc_flags); |
| /* retry the login again */ |
| DEBUG(printk("scsi(%ld): Retrying" |
| " %d login again loop_id 0x%x\n", |
| vha->host_no, fcport->login_retry, |
| fcport->loop_id)); |
| } else { |
| fcport->login_retry = 0; |
| } |
| |
| if (fcport->login_retry == 0 && status != QLA_SUCCESS) |
| fcport->loop_id = FC_NO_LOOP_ID; |
| } |
| if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) |
| break; |
| } |
| } |
| |
| /************************************************************************** |
| * 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); |
| |
| while (!kthread_should_stop()) { |
| DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
| |
| set_current_state(TASK_INTERRUPTIBLE); |
| schedule(); |
| __set_current_state(TASK_RUNNING); |
| |
| DEBUG3(printk("qla2x00: DPC handler waking up\n")); |
| |
| /* Initialization not yet finished. Don't do anything yet. */ |
| if (!base_vha->flags.init_done) |
| continue; |
| |
| if (ha->flags.eeh_busy) { |
| DEBUG17(qla_printk(KERN_WARNING, ha, |
| "qla2x00_do_dpc: dpc_flags: %lx\n", |
| base_vha->dpc_flags)); |
| continue; |
| } |
| |
| DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no)); |
| |
| ha->dpc_active = 1; |
| |
| if (ha->flags.mbox_busy) { |
| ha->dpc_active = 0; |
| continue; |
| } |
| |
| 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, |
| QLA82XX_DEV_FAILED); |
| qla82xx_idc_unlock(ha); |
| qla_printk(KERN_INFO, ha, |
| "HW State: FAILED\n"); |
| qla82xx_device_state_handler(base_vha); |
| continue; |
| } |
| |
| if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED, |
| &base_vha->dpc_flags)) { |
| |
| DEBUG(printk(KERN_INFO |
| "scsi(%ld): dpc: sched " |
| "qla82xx_fcoe_ctx_reset ha = %p\n", |
| base_vha->host_no, ha)); |
| 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); |
| } |
| |
| DEBUG(printk("scsi(%ld): dpc:" |
| " qla82xx_fcoe_ctx_reset end\n", |
| base_vha->host_no)); |
| } |
| } |
| |
| if (test_and_clear_bit(ISP_ABORT_NEEDED, |
| &base_vha->dpc_flags)) { |
| |
| DEBUG(printk("scsi(%ld): dpc: sched " |
| "qla2x00_abort_isp ha = %p\n", |
| base_vha->host_no, ha)); |
| 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); |
| } |
| |
| DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", |
| base_vha->host_no)); |
| } |
| |
| 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_and_clear_bit(RESET_MARKER_NEEDED, |
| &base_vha->dpc_flags) && |
| (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) { |
| |
| DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", |
| base_vha->host_no)); |
| |
| qla2x00_rst_aen(base_vha); |
| clear_bit(RESET_ACTIVE, &base_vha->dpc_flags); |
| } |
| |
| /* 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) { |
| |
| DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", |
| base_vha->host_no)); |
| qla2x00_relogin(base_vha); |
| |
| DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", |
| base_vha->host_no)); |
| } |
| |
| if (test_and_clear_bit(LOOP_RESYNC_NEEDED, |
| &base_vha->dpc_flags)) { |
| |
| DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", |
| base_vha->host_no)); |
| |
| 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); |
| } |
| |
| DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", |
| base_vha->host_no)); |
| } |
| |
| 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 of while(1) */ |
| |
| DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no)); |
| |
| /* |
| * 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))); |
| } |
| } |
| |
| static void |
| qla2x00_sp_free_dma(srb_t *sp) |
| { |
| struct scsi_cmnd *cmd = sp->cmd; |
| struct qla_hw_data *ha = sp->fcport->vha->hw; |
| |
| 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, sp->ctx, |
| ((struct crc_context *)sp->ctx)->crc_ctx_dma); |
| sp->flags &= ~SRB_CRC_CTX_DMA_VALID; |
| } |
| |
| CMD_SP(cmd) = NULL; |
| } |
| |
| void |
| qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp) |
| { |
| struct scsi_cmnd *cmd = sp->cmd; |
| |
| qla2x00_sp_free_dma(sp); |
| |
| if (sp->flags & SRB_FCP_CMND_DMA_VALID) { |
| struct ct6_dsd *ctx = sp->ctx; |
| dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, |
| ctx->fcp_cmnd_dma); |
| list_splice(&ctx->dsd_list, &ha->gbl_dsd_list); |
| ha->gbl_dsd_inuse -= ctx->dsd_use_cnt; |
| ha->gbl_dsd_avail += ctx->dsd_use_cnt; |
| mempool_free(sp->ctx, ha->ctx_mempool); |
| sp->ctx = NULL; |
| } |
| |
| mempool_free(sp, ha->srb_mempool); |
| cmd->scsi_done(cmd); |
| } |
| |
| void |
| qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp) |
| { |
| if (atomic_read(&sp->ref_count) == 0) { |
| DEBUG2(qla_printk(KERN_WARNING, ha, |
| "SP reference-count to ZERO -- sp=%p\n", sp)); |
| DEBUG2(BUG()); |
| return; |
| } |
| if (!atomic_dec_and_test(&sp->ref_count)) |
| return; |
| qla2x00_sp_final_compl(ha, sp); |
| } |
| |
| /************************************************************************** |
| * qla2x00_timer |
| * |
| * Description: |
| * One second timer |
| * |
| * Context: Interrupt |
| ***************************************************************************/ |
| void |
| qla2x00_timer(scsi_qla_host_t *vha) |
| { |
| unsigned long cpu_flags = 0; |
| fc_port_t *fcport; |
| int start_dpc = 0; |
| int index; |
| srb_t *sp; |
| int t; |
| uint16_t w; |
| struct qla_hw_data *ha = vha->hw; |
| struct req_que *req; |
| |
| if (IS_QLA82XX(ha)) |
| qla82xx_watchdog(vha); |
| |
| /* 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); |
| /* |
| * Ports - Port down timer. |
| * |
| * Whenever, a port is in the LOST state we start decrementing its port |
| * down timer every second until it reaches zero. Once it reaches zero |
| * the port it marked DEAD. |
| */ |
| t = 0; |
| list_for_each_entry(fcport, &vha->vp_fcports, list) { |
| if (fcport->port_type != FCT_TARGET) |
| continue; |
| |
| if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { |
| |
| if (atomic_read(&fcport->port_down_timer) == 0) |
| continue; |
| |
| if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
| atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
| |
| DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
| "%d remaining\n", |
| vha->host_no, |
| t, atomic_read(&fcport->port_down_timer))); |
| } |
| t++; |
| } /* End of for fcport */ |
| |
| |
| /* Loop down handler. */ |
| if (atomic_read(&vha->loop_down_timer) > 0 && |
| !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) |
| && vha->flags.online) { |
| |
| if (atomic_read(&vha->loop_down_timer) == |
| vha->loop_down_abort_time) { |
| |
| DEBUG(printk("scsi(%ld): Loop Down - aborting the " |
| "queues before time expire\n", |
| vha->host_no)); |
| |
| 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->ctx && !IS_PROT_IO(sp)) |
| continue; |
| sfcp = sp->fcport; |
| if (!(sfcp->flags & FCF_FCP2_DEVICE)) |
| continue; |
| |
| 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)) { |
| DEBUG(printk("scsi(%ld): Loop down - " |
| "aborting ISP.\n", |
| vha->host_no)); |
| qla_printk(KERN_WARNING, ha, |
| "Loop down - aborting ISP.\n"); |
| |
| set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| } |
| } |
| DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
| vha->host_no, |
| atomic_read(&vha->loop_down_timer))); |
| } |
| |
| /* Check if beacon LED needs to be blinked */ |
| if (ha->beacon_blink_led == 1) { |
| 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))) |
| qla2xxx_wake_dpc(vha); |
| |
| qla2x00_restart_timer(vha, WATCH_INTERVAL); |
| } |
| |
| /* Firmware interface routines. */ |
| |
| #define FW_BLOBS 8 |
| #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_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" |
| |
| 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, }, |
| }; |
| |
| struct fw_blob * |
| qla2x00_request_firmware(scsi_qla_host_t *vha) |
| { |
| struct qla_hw_data *ha = vha->hw; |
| struct fw_blob *blob; |
| |
| blob = NULL; |
| 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]; |
| } |
| |
| mutex_lock(&qla_fw_lock); |
| if (blob->fw) |
| goto out; |
| |
| if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { |
| DEBUG2(printk("scsi(%ld): Failed to load firmware image " |
| "(%s).\n", vha->host_no, 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++) |
| if (qla_fw_blobs[idx].fw) |
| 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; |
| |
| DEBUG2(qla_printk(KERN_WARNING, ha, "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; |
| qla2x00_free_irqs(vha); |
| pci_disable_device(pdev); |
| 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; |
| |
| 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) { |
| qla_printk(KERN_INFO, ha, "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; |
| } |
| |
| 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; |
| |
| DEBUG17(qla_printk(KERN_WARNING, ha, "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) { |
| qla_printk(KERN_WARNING, ha, |
| "Can't re-enable PCI device after reset.\n"); |
| return ret; |
| } |
| |
| rsp = ha->rsp_q_map[0]; |
| if (qla2x00_request_irqs(ha, rsp)) |
| return ret; |
| |
| if (ha->isp_ops->pci_config(base_vha)) |
| return ret; |
| |
| 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); |
| |
| |
| DEBUG17(qla_printk(KERN_WARNING, ha, |
| "slot_reset-return:ret=%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; |
| |
| DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n")); |
| |
| ret = qla2x00_wait_for_hba_online(base_vha); |
| if (ret != QLA_SUCCESS) { |
| qla_printk(KERN_ERR, ha, |
| "the device failed to resume I/O " |
| "from slot/link_reset"); |
| } |
| |
| 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_ISP8001) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) }, |
| { 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, |
| .err_handler = &qla2xxx_err_handler, |
| }; |
| |
| static struct file_operations apidev_fops = { |
| .owner = THIS_MODULE, |
| }; |
| |
| /** |
| * 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) { |
| printk(KERN_ERR |
| "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); |
| return -ENOMEM; |
| } |
| |
| /* 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); |
| return -ENODEV; |
| } |
| |
| apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops); |
| if (apidev_major < 0) { |
| printk(KERN_WARNING "qla2xxx: 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); |
| fc_release_transport(qla2xxx_transport_template); |
| return -ENODEV; |
| } |
| |
| printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n", |
| qla2x00_version_str); |
| ret = pci_register_driver(&qla2xxx_pci_driver); |
| if (ret) { |
| kmem_cache_destroy(srb_cachep); |
| fc_release_transport(qla2xxx_transport_template); |
| fc_release_transport(qla2xxx_transport_vport_template); |
| } |
| 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); |
| 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); |