|  | /* | 
|  | * QLogic Fibre Channel HBA Driver | 
|  | * Copyright (c)  2003-2014 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> | 
|  |  | 
|  | #include "qla_target.h" | 
|  |  | 
|  | /* | 
|  | * Driver version | 
|  | */ | 
|  | char qla2x00_version_str[40]; | 
|  |  | 
|  | static int apidev_major; | 
|  |  | 
|  | /* | 
|  | * SRB allocation cache | 
|  | */ | 
|  | static struct kmem_cache *srb_cachep; | 
|  |  | 
|  | /* | 
|  | * CT6 CTX allocation cache | 
|  | */ | 
|  | static struct kmem_cache *ctx_cachep; | 
|  | /* | 
|  | * error level for logging | 
|  | */ | 
|  | int ql_errlev = ql_log_all; | 
|  |  | 
|  | static int ql2xenableclass2; | 
|  | module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR); | 
|  | MODULE_PARM_DESC(ql2xenableclass2, | 
|  | "Specify if Class 2 operations are supported from the very " | 
|  | "beginning. Default is 0 - class 2 not supported."); | 
|  |  | 
|  |  | 
|  | int ql2xlogintimeout = 20; | 
|  | module_param(ql2xlogintimeout, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xlogintimeout, | 
|  | "Login timeout value in seconds."); | 
|  |  | 
|  | int qlport_down_retry; | 
|  | module_param(qlport_down_retry, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(qlport_down_retry, | 
|  | "Maximum number of command retries to a port that returns " | 
|  | "a PORT-DOWN status."); | 
|  |  | 
|  | int ql2xplogiabsentdevice; | 
|  | module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); | 
|  | MODULE_PARM_DESC(ql2xplogiabsentdevice, | 
|  | "Option to enable PLOGI to devices that are not present after " | 
|  | "a Fabric scan.  This is needed for several broken switches. " | 
|  | "Default is 0 - no PLOGI. 1 - perfom PLOGI."); | 
|  |  | 
|  | int ql2xloginretrycount = 0; | 
|  | module_param(ql2xloginretrycount, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xloginretrycount, | 
|  | "Specify an alternate value for the NVRAM login retry count."); | 
|  |  | 
|  | int ql2xallocfwdump = 1; | 
|  | module_param(ql2xallocfwdump, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xallocfwdump, | 
|  | "Option to enable allocation of memory for a firmware dump " | 
|  | "during HBA initialization.  Memory allocation requirements " | 
|  | "vary by ISP type.  Default is 1 - allocate memory."); | 
|  |  | 
|  | int ql2xextended_error_logging; | 
|  | module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); | 
|  | MODULE_PARM_DESC(ql2xextended_error_logging, | 
|  | "Option to enable extended error logging,\n" | 
|  | "\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n" | 
|  | "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n" | 
|  | "\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n" | 
|  | "\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n" | 
|  | "\t\t0x00800000 - User space.    0x00400000 - Task Management.\n" | 
|  | "\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n" | 
|  | "\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n" | 
|  | "\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n" | 
|  | "\t\t0x00008000 - Verbose.       0x00004000 - Target.\n" | 
|  | "\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n" | 
|  | "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n" | 
|  | "\t\t0x1e400000 - Preferred value for capturing essential " | 
|  | "debug information (equivalent to old " | 
|  | "ql2xextended_error_logging=1).\n" | 
|  | "\t\tDo LOGICAL OR of the value to enable more than one level"); | 
|  |  | 
|  | int ql2xshiftctondsd = 6; | 
|  | module_param(ql2xshiftctondsd, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xshiftctondsd, | 
|  | "Set to control shifting of command type processing " | 
|  | "based on total number of SG elements."); | 
|  |  | 
|  | int ql2xfdmienable=1; | 
|  | module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR); | 
|  | 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 set for each LUN. " | 
|  | "Default is 32."); | 
|  |  | 
|  | int ql2xenabledif = 2; | 
|  | module_param(ql2xenabledif, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xenabledif, | 
|  | " Enable T10-CRC-DIF:\n" | 
|  | " Default is 2.\n" | 
|  | "  0 -- No DIF Support\n" | 
|  | "  1 -- Enable DIF for all types\n" | 
|  | "  2 -- Enable DIF for all types, except Type 0.\n"); | 
|  |  | 
|  | int ql2xenablehba_err_chk = 2; | 
|  | module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR); | 
|  | MODULE_PARM_DESC(ql2xenablehba_err_chk, | 
|  | " Enable T10-CRC-DIF Error isolation by HBA:\n" | 
|  | " Default is 2.\n" | 
|  | "  0 -- Error isolation disabled\n" | 
|  | "  1 -- Error isolation enabled only for DIX Type 0\n" | 
|  | "  2 -- Error isolation enabled for all Types\n"); | 
|  |  | 
|  | int ql2xiidmaenable=1; | 
|  | module_param(ql2xiidmaenable, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xiidmaenable, | 
|  | "Enables iIDMA settings " | 
|  | "Default is 1 - perform iIDMA. 0 - no iIDMA."); | 
|  |  | 
|  | int ql2xmaxqueues = 1; | 
|  | module_param(ql2xmaxqueues, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xmaxqueues, | 
|  | "Enables MQ settings " | 
|  | "Default is 1 for single queue. Set it to number " | 
|  | "of queues in MQ mode."); | 
|  |  | 
|  | int ql2xmultique_tag; | 
|  | module_param(ql2xmultique_tag, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xmultique_tag, | 
|  | "Enables CPU affinity settings for the driver " | 
|  | "Default is 0 for no affinity of request and response IO. " | 
|  | "Set it to 1 to turn on the cpu affinity."); | 
|  |  | 
|  | int ql2xfwloadbin; | 
|  | module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR); | 
|  | MODULE_PARM_DESC(ql2xfwloadbin, | 
|  | "Option to specify location from which to load ISP firmware:.\n" | 
|  | " 2 -- load firmware via the request_firmware() (hotplug).\n" | 
|  | "      interface.\n" | 
|  | " 1 -- load firmware from flash.\n" | 
|  | " 0 -- use default semantics.\n"); | 
|  |  | 
|  | int ql2xetsenable; | 
|  | module_param(ql2xetsenable, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xetsenable, | 
|  | "Enables firmware ETS burst." | 
|  | "Default is 0 - skip ETS enablement."); | 
|  |  | 
|  | int ql2xdbwr = 1; | 
|  | module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR); | 
|  | MODULE_PARM_DESC(ql2xdbwr, | 
|  | "Option to specify scheme for request queue posting.\n" | 
|  | " 0 -- Regular doorbell.\n" | 
|  | " 1 -- CAMRAM doorbell (faster).\n"); | 
|  |  | 
|  | int ql2xtargetreset = 1; | 
|  | module_param(ql2xtargetreset, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xtargetreset, | 
|  | "Enable target reset." | 
|  | "Default is 1 - use hw defaults."); | 
|  |  | 
|  | int ql2xgffidenable; | 
|  | module_param(ql2xgffidenable, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xgffidenable, | 
|  | "Enables GFF_ID checks of port type. " | 
|  | "Default is 0 - Do not use GFF_ID information."); | 
|  |  | 
|  | int ql2xasynctmfenable; | 
|  | module_param(ql2xasynctmfenable, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xasynctmfenable, | 
|  | "Enables issue of TM IOCBs asynchronously via IOCB mechanism" | 
|  | "Default is 0 - Issue TM IOCBs via mailbox mechanism."); | 
|  |  | 
|  | int ql2xdontresethba; | 
|  | module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR); | 
|  | MODULE_PARM_DESC(ql2xdontresethba, | 
|  | "Option to specify reset behaviour.\n" | 
|  | " 0 (Default) -- Reset on failure.\n" | 
|  | " 1 -- Do not reset on failure.\n"); | 
|  |  | 
|  | uint64_t ql2xmaxlun = MAX_LUNS; | 
|  | module_param(ql2xmaxlun, ullong, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xmaxlun, | 
|  | "Defines the maximum LU number to register with the SCSI " | 
|  | "midlayer. Default is 65535."); | 
|  |  | 
|  | int ql2xmdcapmask = 0x1F; | 
|  | module_param(ql2xmdcapmask, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xmdcapmask, | 
|  | "Set the Minidump driver capture mask level. " | 
|  | "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F."); | 
|  |  | 
|  | int ql2xmdenable = 1; | 
|  | module_param(ql2xmdenable, int, S_IRUGO); | 
|  | MODULE_PARM_DESC(ql2xmdenable, | 
|  | "Enable/disable MiniDump. " | 
|  | "0 - MiniDump disabled. " | 
|  | "1 (Default) - MiniDump enabled."); | 
|  |  | 
|  | /* | 
|  | * SCSI host template entry points | 
|  | */ | 
|  | static int qla2xxx_slave_configure(struct scsi_device * device); | 
|  | static int qla2xxx_slave_alloc(struct scsi_device *); | 
|  | static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); | 
|  | static void qla2xxx_scan_start(struct Scsi_Host *); | 
|  | static void qla2xxx_slave_destroy(struct scsi_device *); | 
|  | static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); | 
|  | static int qla2xxx_eh_abort(struct scsi_cmnd *); | 
|  | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); | 
|  | static int qla2xxx_eh_target_reset(struct scsi_cmnd *); | 
|  | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); | 
|  | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); | 
|  |  | 
|  | static void qla2x00_clear_drv_active(struct qla_hw_data *); | 
|  | static void qla2x00_free_device(scsi_qla_host_t *); | 
|  | static void qla83xx_disable_laser(scsi_qla_host_t *vha); | 
|  |  | 
|  | 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	= scsi_change_queue_depth, | 
|  | .this_id		= -1, | 
|  | .cmd_per_lun		= 3, | 
|  | .use_clustering		= ENABLE_CLUSTERING, | 
|  | .sg_tablesize		= SG_ALL, | 
|  |  | 
|  | .max_sectors		= 0xFFFF, | 
|  | .shost_attrs		= qla2x00_host_attrs, | 
|  |  | 
|  | .supported_mode		= MODE_INITIATOR, | 
|  | .use_blk_tags		= 1, | 
|  | .track_queue_depth	= 1, | 
|  | }; | 
|  |  | 
|  | static struct scsi_transport_template *qla2xxx_transport_template = NULL; | 
|  | struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; | 
|  |  | 
|  | /* TODO Convert to inlines | 
|  | * | 
|  | * Timer routines | 
|  | */ | 
|  |  | 
|  | __inline__ void | 
|  | qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval) | 
|  | { | 
|  | init_timer(&vha->timer); | 
|  | vha->timer.expires = jiffies + interval * HZ; | 
|  | vha->timer.data = (unsigned long)vha; | 
|  | vha->timer.function = (void (*)(unsigned long))func; | 
|  | add_timer(&vha->timer); | 
|  | vha->timer_active = 1; | 
|  | } | 
|  |  | 
|  | static inline void | 
|  | qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval) | 
|  | { | 
|  | /* Currently used for 82XX only. */ | 
|  | if (vha->device_flags & DFLG_DEV_FAILED) { | 
|  | ql_dbg(ql_dbg_timer, vha, 0x600d, | 
|  | "Device in a failed state, returning.\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | mod_timer(&vha->timer, jiffies + interval * HZ); | 
|  | } | 
|  |  | 
|  | static __inline__ void | 
|  | qla2x00_stop_timer(scsi_qla_host_t *vha) | 
|  | { | 
|  | del_timer_sync(&vha->timer); | 
|  | vha->timer_active = 0; | 
|  | } | 
|  |  | 
|  | static int qla2x00_do_dpc(void *data); | 
|  |  | 
|  | static void qla2x00_rst_aen(scsi_qla_host_t *); | 
|  |  | 
|  | static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t, | 
|  | struct req_que **, struct rsp_que **); | 
|  | static void qla2x00_free_fw_dump(struct qla_hw_data *); | 
|  | static void qla2x00_mem_free(struct qla_hw_data *); | 
|  |  | 
|  | /* -------------------------------------------------------------------------- */ | 
|  | static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req, | 
|  | struct rsp_que *rsp) | 
|  | { | 
|  | scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); | 
|  | ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues, | 
|  | GFP_KERNEL); | 
|  | if (!ha->req_q_map) { | 
|  | ql_log(ql_log_fatal, vha, 0x003b, | 
|  | "Unable to allocate memory for request queue ptrs.\n"); | 
|  | goto fail_req_map; | 
|  | } | 
|  |  | 
|  | ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues, | 
|  | GFP_KERNEL); | 
|  | if (!ha->rsp_q_map) { | 
|  | ql_log(ql_log_fatal, vha, 0x003c, | 
|  | "Unable to allocate memory for response queue ptrs.\n"); | 
|  | goto fail_rsp_map; | 
|  | } | 
|  | /* | 
|  | * Make sure we record at least the request and response queue zero in | 
|  | * case we need to free them if part of the probe fails. | 
|  | */ | 
|  | ha->rsp_q_map[0] = rsp; | 
|  | ha->req_q_map[0] = req; | 
|  | set_bit(0, ha->rsp_qid_map); | 
|  | set_bit(0, ha->req_qid_map); | 
|  | return 1; | 
|  |  | 
|  | fail_rsp_map: | 
|  | kfree(ha->req_q_map); | 
|  | ha->req_q_map = NULL; | 
|  | fail_req_map: | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) | 
|  | { | 
|  | if (IS_QLAFX00(ha)) { | 
|  | if (req && req->ring_fx00) | 
|  | dma_free_coherent(&ha->pdev->dev, | 
|  | (req->length_fx00 + 1) * sizeof(request_t), | 
|  | req->ring_fx00, req->dma_fx00); | 
|  | } else if (req && req->ring) | 
|  | dma_free_coherent(&ha->pdev->dev, | 
|  | (req->length + 1) * sizeof(request_t), | 
|  | req->ring, req->dma); | 
|  |  | 
|  | if (req) | 
|  | kfree(req->outstanding_cmds); | 
|  |  | 
|  | kfree(req); | 
|  | req = NULL; | 
|  | } | 
|  |  | 
|  | static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) | 
|  | { | 
|  | if (IS_QLAFX00(ha)) { | 
|  | if (rsp && rsp->ring) | 
|  | dma_free_coherent(&ha->pdev->dev, | 
|  | (rsp->length_fx00 + 1) * sizeof(request_t), | 
|  | rsp->ring_fx00, rsp->dma_fx00); | 
|  | } else if (rsp && rsp->ring) { | 
|  | dma_free_coherent(&ha->pdev->dev, | 
|  | (rsp->length + 1) * sizeof(response_t), | 
|  | rsp->ring, rsp->dma); | 
|  | } | 
|  | kfree(rsp); | 
|  | rsp = NULL; | 
|  | } | 
|  |  | 
|  | static void qla2x00_free_queues(struct qla_hw_data *ha) | 
|  | { | 
|  | struct req_que *req; | 
|  | struct rsp_que *rsp; | 
|  | int cnt; | 
|  |  | 
|  | for (cnt = 0; cnt < ha->max_req_queues; cnt++) { | 
|  | req = ha->req_q_map[cnt]; | 
|  | qla2x00_free_req_que(ha, req); | 
|  | } | 
|  | kfree(ha->req_q_map); | 
|  | ha->req_q_map = NULL; | 
|  |  | 
|  | for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) { | 
|  | rsp = ha->rsp_q_map[cnt]; | 
|  | qla2x00_free_rsp_que(ha, rsp); | 
|  | } | 
|  | kfree(ha->rsp_q_map); | 
|  | ha->rsp_q_map = NULL; | 
|  | } | 
|  |  | 
|  | static int qla25xx_setup_mode(struct scsi_qla_host *vha) | 
|  | { | 
|  | uint16_t options = 0; | 
|  | int ques, req, ret; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  |  | 
|  | if (!(ha->fw_attributes & BIT_6)) { | 
|  | ql_log(ql_log_warn, vha, 0x00d8, | 
|  | "Firmware is not multi-queue capable.\n"); | 
|  | goto fail; | 
|  | } | 
|  | if (ql2xmultique_tag) { | 
|  | /* create a request queue for IO */ | 
|  | options |= BIT_7; | 
|  | req = qla25xx_create_req_que(ha, options, 0, 0, -1, | 
|  | QLA_DEFAULT_QUE_QOS); | 
|  | if (!req) { | 
|  | ql_log(ql_log_warn, vha, 0x00e0, | 
|  | "Failed to create request queue.\n"); | 
|  | goto fail; | 
|  | } | 
|  | ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1); | 
|  | vha->req = ha->req_q_map[req]; | 
|  | options |= BIT_1; | 
|  | for (ques = 1; ques < ha->max_rsp_queues; ques++) { | 
|  | ret = qla25xx_create_rsp_que(ha, options, 0, 0, req); | 
|  | if (!ret) { | 
|  | ql_log(ql_log_warn, vha, 0x00e8, | 
|  | "Failed to create response queue.\n"); | 
|  | goto fail2; | 
|  | } | 
|  | } | 
|  | ha->flags.cpu_affinity_enabled = 1; | 
|  | ql_dbg(ql_dbg_multiq, vha, 0xc007, | 
|  | "CPU affinity mode enabled, " | 
|  | "no. of response queues:%d no. of request queues:%d.\n", | 
|  | ha->max_rsp_queues, ha->max_req_queues); | 
|  | ql_dbg(ql_dbg_init, vha, 0x00e9, | 
|  | "CPU affinity mode 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; | 
|  | vha->req = ha->req_q_map[0]; | 
|  | fail: | 
|  | ha->mqenable = 0; | 
|  | kfree(ha->req_q_map); | 
|  | kfree(ha->rsp_q_map); | 
|  | ha->max_req_queues = ha->max_rsp_queues = 1; | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | static char * | 
|  | qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str) | 
|  | { | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | static char *pci_bus_modes[] = { | 
|  | "33", "66", "100", "133", | 
|  | }; | 
|  | uint16_t pci_bus; | 
|  |  | 
|  | strcpy(str, "PCI"); | 
|  | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; | 
|  | if (pci_bus) { | 
|  | strcat(str, "-X ("); | 
|  | strcat(str, pci_bus_modes[pci_bus]); | 
|  | } else { | 
|  | pci_bus = (ha->pci_attr & BIT_8) >> 8; | 
|  | strcat(str, " ("); | 
|  | strcat(str, pci_bus_modes[pci_bus]); | 
|  | } | 
|  | strcat(str, " MHz)"); | 
|  |  | 
|  | return (str); | 
|  | } | 
|  |  | 
|  | static char * | 
|  | qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str) | 
|  | { | 
|  | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | uint32_t pci_bus; | 
|  |  | 
|  | if (pci_is_pcie(ha->pdev)) { | 
|  | char lwstr[6]; | 
|  | uint32_t lstat, lspeed, lwidth; | 
|  |  | 
|  | pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat); | 
|  | lspeed = lstat & PCI_EXP_LNKCAP_SLS; | 
|  | lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4; | 
|  |  | 
|  | strcpy(str, "PCIe ("); | 
|  | switch (lspeed) { | 
|  | case 1: | 
|  | strcat(str, "2.5GT/s "); | 
|  | break; | 
|  | case 2: | 
|  | strcat(str, "5.0GT/s "); | 
|  | break; | 
|  | case 3: | 
|  | strcat(str, "8.0GT/s "); | 
|  | break; | 
|  | default: | 
|  | strcat(str, "<unknown> "); | 
|  | break; | 
|  | } | 
|  | 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, size_t size) | 
|  | { | 
|  | char un_str[10]; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  |  | 
|  | snprintf(str, size, "%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, size_t size) | 
|  | { | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  |  | 
|  | snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version, | 
|  | ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes); | 
|  | return str; | 
|  | } | 
|  |  | 
|  | void | 
|  | qla2x00_sp_free_dma(void *vha, void *ptr) | 
|  | { | 
|  | srb_t *sp = (srb_t *)ptr; | 
|  | struct scsi_cmnd *cmd = GET_CMD_SP(sp); | 
|  | struct qla_hw_data *ha = sp->fcport->vha->hw; | 
|  | void *ctx = GET_CMD_CTX_SP(sp); | 
|  |  | 
|  | if (sp->flags & SRB_DMA_VALID) { | 
|  | scsi_dma_unmap(cmd); | 
|  | sp->flags &= ~SRB_DMA_VALID; | 
|  | } | 
|  |  | 
|  | if (sp->flags & SRB_CRC_PROT_DMA_VALID) { | 
|  | dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), | 
|  | scsi_prot_sg_count(cmd), cmd->sc_data_direction); | 
|  | sp->flags &= ~SRB_CRC_PROT_DMA_VALID; | 
|  | } | 
|  |  | 
|  | if (sp->flags & SRB_CRC_CTX_DSD_VALID) { | 
|  | /* List assured to be having elements */ | 
|  | qla2x00_clean_dsd_pool(ha, sp, NULL); | 
|  | sp->flags &= ~SRB_CRC_CTX_DSD_VALID; | 
|  | } | 
|  |  | 
|  | if (sp->flags & SRB_CRC_CTX_DMA_VALID) { | 
|  | dma_pool_free(ha->dl_dma_pool, ctx, | 
|  | ((struct crc_context *)ctx)->crc_ctx_dma); | 
|  | sp->flags &= ~SRB_CRC_CTX_DMA_VALID; | 
|  | } | 
|  |  | 
|  | if (sp->flags & SRB_FCP_CMND_DMA_VALID) { | 
|  | struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx; | 
|  |  | 
|  | dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd, | 
|  | ctx1->fcp_cmnd_dma); | 
|  | list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list); | 
|  | ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt; | 
|  | ha->gbl_dsd_avail += ctx1->dsd_use_cnt; | 
|  | mempool_free(ctx1, ha->ctx_mempool); | 
|  | ctx1 = NULL; | 
|  | } | 
|  |  | 
|  | CMD_SP(cmd) = NULL; | 
|  | qla2x00_rel_sp(sp->fcport->vha, sp); | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2x00_sp_compl(void *data, void *ptr, int res) | 
|  | { | 
|  | struct qla_hw_data *ha = (struct qla_hw_data *)data; | 
|  | srb_t *sp = (srb_t *)ptr; | 
|  | struct scsi_cmnd *cmd = GET_CMD_SP(sp); | 
|  |  | 
|  | cmd->result = res; | 
|  |  | 
|  | if (atomic_read(&sp->ref_count) == 0) { | 
|  | ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015, | 
|  | "SP reference-count to ZERO -- sp=%p cmd=%p.\n", | 
|  | sp, GET_CMD_SP(sp)); | 
|  | if (ql2xextended_error_logging & ql_dbg_io) | 
|  | BUG(); | 
|  | return; | 
|  | } | 
|  | if (!atomic_dec_and_test(&sp->ref_count)) | 
|  | return; | 
|  |  | 
|  | qla2x00_sp_free_dma(ha, sp); | 
|  | cmd->scsi_done(cmd); | 
|  | } | 
|  |  | 
|  | /* If we are SP1 here, we need to still take and release the host_lock as SP1 | 
|  | * does not have the changes necessary to avoid taking host->host_lock. | 
|  | */ | 
|  | static int | 
|  | qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(host); | 
|  | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | 
|  | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | 
|  | srb_t *sp; | 
|  | int rval; | 
|  |  | 
|  | if (ha->flags.eeh_busy) { | 
|  | if (ha->flags.pci_channel_io_perm_failure) { | 
|  | ql_dbg(ql_dbg_aer, vha, 0x9010, | 
|  | "PCI Channel IO permanent failure, exiting " | 
|  | "cmd=%p.\n", cmd); | 
|  | cmd->result = DID_NO_CONNECT << 16; | 
|  | } else { | 
|  | ql_dbg(ql_dbg_aer, vha, 0x9011, | 
|  | "EEH_Busy, Requeuing the cmd=%p.\n", cmd); | 
|  | cmd->result = DID_REQUEUE << 16; | 
|  | } | 
|  | goto qc24_fail_command; | 
|  | } | 
|  |  | 
|  | rval = fc_remote_port_chkready(rport); | 
|  | if (rval) { | 
|  | cmd->result = rval; | 
|  | ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003, | 
|  | "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n", | 
|  | cmd, rval); | 
|  | goto qc24_fail_command; | 
|  | } | 
|  |  | 
|  | if (!vha->flags.difdix_supported && | 
|  | scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { | 
|  | ql_dbg(ql_dbg_io, vha, 0x3004, | 
|  | "DIF Cap not reg, fail DIF capable cmd's:%p.\n", | 
|  | cmd); | 
|  | cmd->result = DID_NO_CONNECT << 16; | 
|  | goto qc24_fail_command; | 
|  | } | 
|  |  | 
|  | if (!fcport) { | 
|  | cmd->result = DID_NO_CONNECT << 16; | 
|  | goto qc24_fail_command; | 
|  | } | 
|  |  | 
|  | if (atomic_read(&fcport->state) != FCS_ONLINE) { | 
|  | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || | 
|  | atomic_read(&base_vha->loop_state) == LOOP_DEAD) { | 
|  | ql_dbg(ql_dbg_io, vha, 0x3005, | 
|  | "Returning DNC, fcport_state=%d loop_state=%d.\n", | 
|  | atomic_read(&fcport->state), | 
|  | atomic_read(&base_vha->loop_state)); | 
|  | cmd->result = DID_NO_CONNECT << 16; | 
|  | goto qc24_fail_command; | 
|  | } | 
|  | goto qc24_target_busy; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Return target busy if we've received a non-zero retry_delay_timer | 
|  | * in a FCP_RSP. | 
|  | */ | 
|  | if (fcport->retry_delay_timestamp == 0) { | 
|  | /* retry delay not set */ | 
|  | } else if (time_after(jiffies, fcport->retry_delay_timestamp)) | 
|  | fcport->retry_delay_timestamp = 0; | 
|  | else | 
|  | goto qc24_target_busy; | 
|  |  | 
|  | sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC); | 
|  | if (!sp) | 
|  | goto qc24_host_busy; | 
|  |  | 
|  | sp->u.scmd.cmd = cmd; | 
|  | sp->type = SRB_SCSI_CMD; | 
|  | atomic_set(&sp->ref_count, 1); | 
|  | CMD_SP(cmd) = (void *)sp; | 
|  | sp->free = qla2x00_sp_free_dma; | 
|  | sp->done = qla2x00_sp_compl; | 
|  |  | 
|  | rval = ha->isp_ops->start_scsi(sp); | 
|  | if (rval != QLA_SUCCESS) { | 
|  | ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013, | 
|  | "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd); | 
|  | goto qc24_host_busy_free_sp; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | qc24_host_busy_free_sp: | 
|  | qla2x00_sp_free_dma(ha, sp); | 
|  |  | 
|  | qc24_host_busy: | 
|  | return SCSI_MLQUEUE_HOST_BUSY; | 
|  |  | 
|  | qc24_target_busy: | 
|  | return SCSI_MLQUEUE_TARGET_BUSY; | 
|  |  | 
|  | qc24_fail_command: | 
|  | cmd->scsi_done(cmd); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * qla2x00_eh_wait_on_command | 
|  | *    Waits for the command to be returned by the Firmware for some | 
|  | *    max time. | 
|  | * | 
|  | * Input: | 
|  | *    cmd = Scsi Command to wait on. | 
|  | * | 
|  | * Return: | 
|  | *    Not Found : 0 | 
|  | *    Found : 1 | 
|  | */ | 
|  | static int | 
|  | qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) | 
|  | { | 
|  | #define ABORT_POLLING_PERIOD	1000 | 
|  | #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD)) | 
|  | unsigned long wait_iter = ABORT_WAIT_ITER; | 
|  | scsi_qla_host_t *vha = shost_priv(cmd->device->host); | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | int ret = QLA_SUCCESS; | 
|  |  | 
|  | if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) { | 
|  | ql_dbg(ql_dbg_taskm, vha, 0x8005, | 
|  | "Return:eh_wait.\n"); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | while (CMD_SP(cmd) && wait_iter--) { | 
|  | msleep(ABORT_POLLING_PERIOD); | 
|  | } | 
|  | if (CMD_SP(cmd)) | 
|  | ret = QLA_FUNCTION_FAILED; | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * qla2x00_wait_for_hba_online | 
|  | *    Wait till the HBA is online after going through | 
|  | *    <= MAX_RETRIES_OF_ISP_ABORT  or | 
|  | *    finally HBA is disabled ie marked offline | 
|  | * | 
|  | * Input: | 
|  | *     ha - pointer to host adapter structure | 
|  | * | 
|  | * Note: | 
|  | *    Does context switching-Release SPIN_LOCK | 
|  | *    (if any) before calling this routine. | 
|  | * | 
|  | * Return: | 
|  | *    Success (Adapter is online) : 0 | 
|  | *    Failed  (Adapter is offline/disabled) : 1 | 
|  | */ | 
|  | int | 
|  | qla2x00_wait_for_hba_online(scsi_qla_host_t *vha) | 
|  | { | 
|  | int		return_status; | 
|  | unsigned long	wait_online; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | 
|  |  | 
|  | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); | 
|  | while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || | 
|  | test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || | 
|  | test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || | 
|  | ha->dpc_active) && time_before(jiffies, wait_online)) { | 
|  |  | 
|  | msleep(1000); | 
|  | } | 
|  | if (base_vha->flags.online) | 
|  | return_status = QLA_SUCCESS; | 
|  | else | 
|  | return_status = QLA_FUNCTION_FAILED; | 
|  |  | 
|  | return (return_status); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * qla2x00_wait_for_hba_ready | 
|  | * Wait till the HBA is ready before doing driver unload | 
|  | * | 
|  | * Input: | 
|  | *     ha - pointer to host adapter structure | 
|  | * | 
|  | * Note: | 
|  | *    Does context switching-Release SPIN_LOCK | 
|  | *    (if any) before calling this routine. | 
|  | * | 
|  | */ | 
|  | static void | 
|  | qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha) | 
|  | { | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  |  | 
|  | while (((qla2x00_reset_active(vha)) || ha->dpc_active || | 
|  | ha->flags.mbox_busy) || | 
|  | test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) || | 
|  | test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) | 
|  | msleep(1000); | 
|  | } | 
|  |  | 
|  | int | 
|  | qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha) | 
|  | { | 
|  | int		return_status; | 
|  | unsigned long	wait_reset; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | 
|  |  | 
|  | wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); | 
|  | while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || | 
|  | test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || | 
|  | test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || | 
|  | ha->dpc_active) && time_before(jiffies, wait_reset)) { | 
|  |  | 
|  | msleep(1000); | 
|  |  | 
|  | if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) && | 
|  | ha->flags.chip_reset_done) | 
|  | break; | 
|  | } | 
|  | if (ha->flags.chip_reset_done) | 
|  | return_status = QLA_SUCCESS; | 
|  | else | 
|  | return_status = QLA_FUNCTION_FAILED; | 
|  |  | 
|  | return return_status; | 
|  | } | 
|  |  | 
|  | static void | 
|  | sp_get(struct srb *sp) | 
|  | { | 
|  | atomic_inc(&sp->ref_count); | 
|  | } | 
|  |  | 
|  | /************************************************************************** | 
|  | * qla2xxx_eh_abort | 
|  | * | 
|  | * Description: | 
|  | *    The abort function will abort the specified command. | 
|  | * | 
|  | * Input: | 
|  | *    cmd = Linux SCSI command packet to be aborted. | 
|  | * | 
|  | * Returns: | 
|  | *    Either SUCCESS or FAILED. | 
|  | * | 
|  | * Note: | 
|  | *    Only return FAILED if command not returned by firmware. | 
|  | **************************************************************************/ | 
|  | static int | 
|  | qla2xxx_eh_abort(struct scsi_cmnd *cmd) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(cmd->device->host); | 
|  | srb_t *sp; | 
|  | int ret; | 
|  | unsigned int id; | 
|  | uint64_t lun; | 
|  | unsigned long flags; | 
|  | int rval, wait = 0; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  |  | 
|  | if (!CMD_SP(cmd)) | 
|  | return SUCCESS; | 
|  |  | 
|  | ret = fc_block_scsi_eh(cmd); | 
|  | if (ret != 0) | 
|  | return ret; | 
|  | ret = SUCCESS; | 
|  |  | 
|  | id = cmd->device->id; | 
|  | lun = cmd->device->lun; | 
|  |  | 
|  | spin_lock_irqsave(&ha->hardware_lock, flags); | 
|  | sp = (srb_t *) CMD_SP(cmd); | 
|  | if (!sp) { | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  | return SUCCESS; | 
|  | } | 
|  |  | 
|  | ql_dbg(ql_dbg_taskm, vha, 0x8002, | 
|  | "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p\n", | 
|  | vha->host_no, id, lun, sp, cmd); | 
|  |  | 
|  | /* Get a reference to the sp and drop the lock.*/ | 
|  | sp_get(sp); | 
|  |  | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  | rval = ha->isp_ops->abort_command(sp); | 
|  | if (rval) { | 
|  | if (rval == QLA_FUNCTION_PARAMETER_ERROR) { | 
|  | /* | 
|  | * Decrement the ref_count since we can't find the | 
|  | * command | 
|  | */ | 
|  | atomic_dec(&sp->ref_count); | 
|  | ret = SUCCESS; | 
|  | } else | 
|  | ret = FAILED; | 
|  |  | 
|  | ql_dbg(ql_dbg_taskm, vha, 0x8003, | 
|  | "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval); | 
|  | } else { | 
|  | ql_dbg(ql_dbg_taskm, vha, 0x8004, | 
|  | "Abort command mbx success cmd=%p.\n", cmd); | 
|  | wait = 1; | 
|  | } | 
|  |  | 
|  | spin_lock_irqsave(&ha->hardware_lock, flags); | 
|  | /* | 
|  | * Clear the slot in the oustanding_cmds array if we can't find the | 
|  | * command to reclaim the resources. | 
|  | */ | 
|  | if (rval == QLA_FUNCTION_PARAMETER_ERROR) | 
|  | vha->req->outstanding_cmds[sp->handle] = NULL; | 
|  | sp->done(ha, sp, 0); | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  |  | 
|  | /* Did the command return during mailbox execution? */ | 
|  | if (ret == FAILED && !CMD_SP(cmd)) | 
|  | ret = SUCCESS; | 
|  |  | 
|  | /* Wait for the command to be returned. */ | 
|  | if (wait) { | 
|  | if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) { | 
|  | ql_log(ql_log_warn, vha, 0x8006, | 
|  | "Abort handler timed out cmd=%p.\n", cmd); | 
|  | ret = FAILED; | 
|  | } | 
|  | } | 
|  |  | 
|  | ql_log(ql_log_info, vha, 0x801c, | 
|  | "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n", | 
|  | vha->host_no, id, lun, wait, ret); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | int | 
|  | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, | 
|  | uint64_t l, enum nexus_wait_type type) | 
|  | { | 
|  | int cnt, match, status; | 
|  | unsigned long flags; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | struct req_que *req; | 
|  | srb_t *sp; | 
|  | struct scsi_cmnd *cmd; | 
|  |  | 
|  | status = QLA_SUCCESS; | 
|  |  | 
|  | spin_lock_irqsave(&ha->hardware_lock, flags); | 
|  | req = vha->req; | 
|  | for (cnt = 1; status == QLA_SUCCESS && | 
|  | cnt < req->num_outstanding_cmds; cnt++) { | 
|  | sp = req->outstanding_cmds[cnt]; | 
|  | if (!sp) | 
|  | continue; | 
|  | if (sp->type != SRB_SCSI_CMD) | 
|  | continue; | 
|  | if (vha->vp_idx != sp->fcport->vha->vp_idx) | 
|  | continue; | 
|  | match = 0; | 
|  | cmd = GET_CMD_SP(sp); | 
|  | switch (type) { | 
|  | case WAIT_HOST: | 
|  | match = 1; | 
|  | break; | 
|  | case WAIT_TARGET: | 
|  | match = cmd->device->id == t; | 
|  | break; | 
|  | case WAIT_LUN: | 
|  | match = (cmd->device->id == t && | 
|  | cmd->device->lun == l); | 
|  | break; | 
|  | } | 
|  | if (!match) | 
|  | continue; | 
|  |  | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  | status = qla2x00_eh_wait_on_command(cmd); | 
|  | spin_lock_irqsave(&ha->hardware_lock, flags); | 
|  | } | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  |  | 
|  | return status; | 
|  | } | 
|  |  | 
|  | static char *reset_errors[] = { | 
|  | "HBA not online", | 
|  | "HBA not ready", | 
|  | "Task management failed", | 
|  | "Waiting for command completions", | 
|  | }; | 
|  |  | 
|  | static int | 
|  | __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, | 
|  | struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int)) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(cmd->device->host); | 
|  | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | 
|  | int err; | 
|  |  | 
|  | if (!fcport) { | 
|  | return FAILED; | 
|  | } | 
|  |  | 
|  | err = fc_block_scsi_eh(cmd); | 
|  | if (err != 0) | 
|  | return err; | 
|  |  | 
|  | ql_log(ql_log_info, vha, 0x8009, | 
|  | "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no, | 
|  | cmd->device->id, cmd->device->lun, cmd); | 
|  |  | 
|  | err = 0; | 
|  | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { | 
|  | ql_log(ql_log_warn, vha, 0x800a, | 
|  | "Wait for hba online failed for cmd=%p.\n", cmd); | 
|  | goto eh_reset_failed; | 
|  | } | 
|  | err = 2; | 
|  | if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1) | 
|  | != QLA_SUCCESS) { | 
|  | ql_log(ql_log_warn, vha, 0x800c, | 
|  | "do_reset failed for cmd=%p.\n", cmd); | 
|  | goto eh_reset_failed; | 
|  | } | 
|  | err = 3; | 
|  | if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, | 
|  | cmd->device->lun, type) != QLA_SUCCESS) { | 
|  | ql_log(ql_log_warn, vha, 0x800d, | 
|  | "wait for pending cmds failed for cmd=%p.\n", cmd); | 
|  | goto eh_reset_failed; | 
|  | } | 
|  |  | 
|  | ql_log(ql_log_info, vha, 0x800e, | 
|  | "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name, | 
|  | vha->host_no, cmd->device->id, cmd->device->lun, cmd); | 
|  |  | 
|  | return SUCCESS; | 
|  |  | 
|  | eh_reset_failed: | 
|  | ql_log(ql_log_info, vha, 0x800f, | 
|  | "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name, | 
|  | reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun, | 
|  | cmd); | 
|  | return FAILED; | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(cmd->device->host); | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  |  | 
|  | return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd, | 
|  | ha->isp_ops->lun_reset); | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(cmd->device->host); | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  |  | 
|  | return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd, | 
|  | ha->isp_ops->target_reset); | 
|  | } | 
|  |  | 
|  | /************************************************************************** | 
|  | * qla2xxx_eh_bus_reset | 
|  | * | 
|  | * Description: | 
|  | *    The bus reset function will reset the bus and abort any executing | 
|  | *    commands. | 
|  | * | 
|  | * Input: | 
|  | *    cmd = Linux SCSI command packet of the command that cause the | 
|  | *          bus reset. | 
|  | * | 
|  | * Returns: | 
|  | *    SUCCESS/FAILURE (defined as macro in scsi.h). | 
|  | * | 
|  | **************************************************************************/ | 
|  | static int | 
|  | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(cmd->device->host); | 
|  | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; | 
|  | int ret = FAILED; | 
|  | unsigned int id; | 
|  | uint64_t lun; | 
|  |  | 
|  | id = cmd->device->id; | 
|  | lun = cmd->device->lun; | 
|  |  | 
|  | if (!fcport) { | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | ret = fc_block_scsi_eh(cmd); | 
|  | if (ret != 0) | 
|  | return ret; | 
|  | ret = FAILED; | 
|  |  | 
|  | ql_log(ql_log_info, vha, 0x8012, | 
|  | "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun); | 
|  |  | 
|  | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { | 
|  | ql_log(ql_log_fatal, vha, 0x8013, | 
|  | "Wait for hba online failed board disabled.\n"); | 
|  | goto eh_bus_reset_done; | 
|  | } | 
|  |  | 
|  | if (qla2x00_loop_reset(vha) == QLA_SUCCESS) | 
|  | ret = SUCCESS; | 
|  |  | 
|  | if (ret == FAILED) | 
|  | goto eh_bus_reset_done; | 
|  |  | 
|  | /* Flush outstanding commands. */ | 
|  | if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) != | 
|  | QLA_SUCCESS) { | 
|  | ql_log(ql_log_warn, vha, 0x8014, | 
|  | "Wait for pending commands failed.\n"); | 
|  | ret = FAILED; | 
|  | } | 
|  |  | 
|  | eh_bus_reset_done: | 
|  | ql_log(ql_log_warn, vha, 0x802b, | 
|  | "BUS RESET %s nexus=%ld:%d:%llu.\n", | 
|  | (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | /************************************************************************** | 
|  | * qla2xxx_eh_host_reset | 
|  | * | 
|  | * Description: | 
|  | *    The reset function will reset the Adapter. | 
|  | * | 
|  | * Input: | 
|  | *      cmd = Linux SCSI command packet of the command that cause the | 
|  | *            adapter reset. | 
|  | * | 
|  | * Returns: | 
|  | *      Either SUCCESS or FAILED. | 
|  | * | 
|  | * Note: | 
|  | **************************************************************************/ | 
|  | static int | 
|  | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(cmd->device->host); | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | int ret = FAILED; | 
|  | unsigned int id; | 
|  | uint64_t lun; | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | 
|  |  | 
|  | id = cmd->device->id; | 
|  | lun = cmd->device->lun; | 
|  |  | 
|  | ql_log(ql_log_info, vha, 0x8018, | 
|  | "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun); | 
|  |  | 
|  | /* | 
|  | * No point in issuing another reset if one is active.  Also do not | 
|  | * attempt a reset if we are updating flash. | 
|  | */ | 
|  | if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING) | 
|  | goto eh_host_reset_lock; | 
|  |  | 
|  | if (vha != base_vha) { | 
|  | if (qla2x00_vp_abort_isp(vha)) | 
|  | goto eh_host_reset_lock; | 
|  | } else { | 
|  | if (IS_P3P_TYPE(vha->hw)) { | 
|  | if (!qla82xx_fcoe_ctx_reset(vha)) { | 
|  | /* Ctx reset success */ | 
|  | ret = SUCCESS; | 
|  | goto eh_host_reset_lock; | 
|  | } | 
|  | /* fall thru if ctx reset failed */ | 
|  | } | 
|  | if (ha->wq) | 
|  | flush_workqueue(ha->wq); | 
|  |  | 
|  | set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | 
|  | if (ha->isp_ops->abort_isp(base_vha)) { | 
|  | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | 
|  | /* failed. schedule dpc to try */ | 
|  | set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); | 
|  |  | 
|  | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { | 
|  | ql_log(ql_log_warn, vha, 0x802a, | 
|  | "wait for hba online failed.\n"); | 
|  | goto eh_host_reset_lock; | 
|  | } | 
|  | } | 
|  | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | 
|  | } | 
|  |  | 
|  | /* Waiting for command to be returned to OS.*/ | 
|  | if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) == | 
|  | QLA_SUCCESS) | 
|  | ret = SUCCESS; | 
|  |  | 
|  | eh_host_reset_lock: | 
|  | ql_log(ql_log_info, vha, 0x8017, | 
|  | "ADAPTER RESET %s nexus=%ld:%d:%llu.\n", | 
|  | (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * qla2x00_loop_reset | 
|  | *      Issue loop reset. | 
|  | * | 
|  | * Input: | 
|  | *      ha = adapter block pointer. | 
|  | * | 
|  | * Returns: | 
|  | *      0 = success | 
|  | */ | 
|  | int | 
|  | qla2x00_loop_reset(scsi_qla_host_t *vha) | 
|  | { | 
|  | int ret; | 
|  | struct fc_port *fcport; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  |  | 
|  | if (IS_QLAFX00(ha)) { | 
|  | return qlafx00_loop_reset(vha); | 
|  | } | 
|  |  | 
|  | if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) { | 
|  | list_for_each_entry(fcport, &vha->vp_fcports, list) { | 
|  | if (fcport->port_type != FCT_TARGET) | 
|  | continue; | 
|  |  | 
|  | ret = ha->isp_ops->target_reset(fcport, 0, 0); | 
|  | if (ret != QLA_SUCCESS) { | 
|  | ql_dbg(ql_dbg_taskm, vha, 0x802c, | 
|  | "Bus Reset failed: Reset=%d " | 
|  | "d_id=%x.\n", ret, fcport->d_id.b24); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) { | 
|  | atomic_set(&vha->loop_state, LOOP_DOWN); | 
|  | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); | 
|  | qla2x00_mark_all_devices_lost(vha, 0); | 
|  | ret = qla2x00_full_login_lip(vha); | 
|  | if (ret != QLA_SUCCESS) { | 
|  | ql_dbg(ql_dbg_taskm, vha, 0x802d, | 
|  | "full_login_lip=%d.\n", ret); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (ha->flags.enable_lip_reset) { | 
|  | ret = qla2x00_lip_reset(vha); | 
|  | if (ret != QLA_SUCCESS) | 
|  | ql_dbg(ql_dbg_taskm, vha, 0x802e, | 
|  | "lip_reset failed (%d).\n", ret); | 
|  | } | 
|  |  | 
|  | /* Issue marker command only when we are going to start the I/O */ | 
|  | vha->marker_needed = 1; | 
|  |  | 
|  | return QLA_SUCCESS; | 
|  | } | 
|  |  | 
|  | void | 
|  | qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) | 
|  | { | 
|  | int que, cnt; | 
|  | unsigned long flags; | 
|  | srb_t *sp; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | struct req_que *req; | 
|  |  | 
|  | qlt_host_reset_handler(ha); | 
|  |  | 
|  | 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; | 
|  | if (!req->outstanding_cmds) | 
|  | continue; | 
|  | for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { | 
|  | sp = req->outstanding_cmds[cnt]; | 
|  | if (sp) { | 
|  | req->outstanding_cmds[cnt] = NULL; | 
|  | sp->done(vha, sp, res); | 
|  | } | 
|  | } | 
|  | } | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla2xxx_slave_alloc(struct scsi_device *sdev) | 
|  | { | 
|  | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); | 
|  |  | 
|  | if (!rport || fc_remote_port_chkready(rport)) | 
|  | return -ENXIO; | 
|  |  | 
|  | sdev->hostdata = *(fc_port_t **)rport->dd_data; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla2xxx_slave_configure(struct scsi_device *sdev) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(sdev->host); | 
|  | struct req_que *req = vha->req; | 
|  |  | 
|  | if (IS_T10_PI_CAPABLE(vha->hw)) | 
|  | blk_queue_update_dma_alignment(sdev->request_queue, 0x7); | 
|  |  | 
|  | scsi_change_queue_depth(sdev, req->max_q_depth); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2xxx_slave_destroy(struct scsi_device *sdev) | 
|  | { | 
|  | sdev->hostdata = NULL; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. | 
|  | * @ha: HA context | 
|  | * | 
|  | * At exit, the @ha's flags.enable_64bit_addressing set to indicated | 
|  | * supported addressing method. | 
|  | */ | 
|  | static void | 
|  | qla2x00_config_dma_addressing(struct qla_hw_data *ha) | 
|  | { | 
|  | /* Assume a 32bit DMA mask. */ | 
|  | ha->flags.enable_64bit_addressing = 0; | 
|  |  | 
|  | if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) { | 
|  | /* Any upper-dword bits set? */ | 
|  | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && | 
|  | !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { | 
|  | /* Ok, a 64bit DMA mask is applicable. */ | 
|  | ha->flags.enable_64bit_addressing = 1; | 
|  | ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; | 
|  | ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; | 
|  | return; | 
|  | } | 
|  | } | 
|  |  | 
|  | dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32)); | 
|  | pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32)); | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2x00_enable_intrs(struct qla_hw_data *ha) | 
|  | { | 
|  | unsigned long flags = 0; | 
|  | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | 
|  |  | 
|  | spin_lock_irqsave(&ha->hardware_lock, flags); | 
|  | ha->interrupts_on = 1; | 
|  | /* enable risc and host interrupts */ | 
|  | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); | 
|  | RD_REG_WORD(®->ictrl); | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  |  | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2x00_disable_intrs(struct qla_hw_data *ha) | 
|  | { | 
|  | unsigned long flags = 0; | 
|  | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | 
|  |  | 
|  | spin_lock_irqsave(&ha->hardware_lock, flags); | 
|  | ha->interrupts_on = 0; | 
|  | /* disable risc and host interrupts */ | 
|  | WRT_REG_WORD(®->ictrl, 0); | 
|  | RD_REG_WORD(®->ictrl); | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla24xx_enable_intrs(struct qla_hw_data *ha) | 
|  | { | 
|  | unsigned long flags = 0; | 
|  | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | 
|  |  | 
|  | spin_lock_irqsave(&ha->hardware_lock, flags); | 
|  | ha->interrupts_on = 1; | 
|  | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); | 
|  | RD_REG_DWORD(®->ictrl); | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla24xx_disable_intrs(struct qla_hw_data *ha) | 
|  | { | 
|  | unsigned long flags = 0; | 
|  | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; | 
|  |  | 
|  | if (IS_NOPOLLING_TYPE(ha)) | 
|  | return; | 
|  | spin_lock_irqsave(&ha->hardware_lock, flags); | 
|  | ha->interrupts_on = 0; | 
|  | WRT_REG_DWORD(®->ictrl, 0); | 
|  | RD_REG_DWORD(®->ictrl); | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla2x00_iospace_config(struct qla_hw_data *ha) | 
|  | { | 
|  | resource_size_t pio; | 
|  | uint16_t msix; | 
|  | int cpus; | 
|  |  | 
|  | if (pci_request_selected_regions(ha->pdev, ha->bars, | 
|  | QLA2XXX_DRIVER_NAME)) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0011, | 
|  | "Failed to reserve PIO/MMIO regions (%s), aborting.\n", | 
|  | pci_name(ha->pdev)); | 
|  | goto iospace_error_exit; | 
|  | } | 
|  | if (!(ha->bars & 1)) | 
|  | goto skip_pio; | 
|  |  | 
|  | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ | 
|  | pio = pci_resource_start(ha->pdev, 0); | 
|  | if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { | 
|  | if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { | 
|  | ql_log_pci(ql_log_warn, ha->pdev, 0x0012, | 
|  | "Invalid pci I/O region size (%s).\n", | 
|  | pci_name(ha->pdev)); | 
|  | pio = 0; | 
|  | } | 
|  | } else { | 
|  | ql_log_pci(ql_log_warn, ha->pdev, 0x0013, | 
|  | "Region #0 no a PIO resource (%s).\n", | 
|  | pci_name(ha->pdev)); | 
|  | pio = 0; | 
|  | } | 
|  | ha->pio_address = pio; | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014, | 
|  | "PIO address=%llu.\n", | 
|  | (unsigned long long)ha->pio_address); | 
|  |  | 
|  | skip_pio: | 
|  | /* Use MMIO operations for all accesses. */ | 
|  | if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0015, | 
|  | "Region #1 not an MMIO resource (%s), aborting.\n", | 
|  | pci_name(ha->pdev)); | 
|  | goto iospace_error_exit; | 
|  | } | 
|  | if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0016, | 
|  | "Invalid PCI mem region size (%s), aborting.\n", | 
|  | pci_name(ha->pdev)); | 
|  | goto iospace_error_exit; | 
|  | } | 
|  |  | 
|  | ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); | 
|  | if (!ha->iobase) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0017, | 
|  | "Cannot remap MMIO (%s), aborting.\n", | 
|  | pci_name(ha->pdev)); | 
|  | goto iospace_error_exit; | 
|  | } | 
|  |  | 
|  | /* Determine queue resources */ | 
|  | ha->max_req_queues = ha->max_rsp_queues = 1; | 
|  | if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) || | 
|  | (ql2xmaxqueues > 1 && ql2xmultique_tag) || | 
|  | (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))) | 
|  | goto mqiobase_exit; | 
|  |  | 
|  | ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3), | 
|  | pci_resource_len(ha->pdev, 3)); | 
|  | if (ha->mqiobase) { | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018, | 
|  | "MQIO Base=%p.\n", ha->mqiobase); | 
|  | /* Read MSIX vector size of the board */ | 
|  | pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix); | 
|  | ha->msix_count = msix; | 
|  | /* Max queues are bounded by available msix vectors */ | 
|  | /* queue 0 uses two msix vectors */ | 
|  | if (ql2xmultique_tag) { | 
|  | cpus = num_online_cpus(); | 
|  | ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ? | 
|  | (cpus + 1) : (ha->msix_count - 1); | 
|  | ha->max_req_queues = 2; | 
|  | } else if (ql2xmaxqueues > 1) { | 
|  | ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ? | 
|  | QLA_MQ_SIZE : ql2xmaxqueues; | 
|  | ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008, | 
|  | "QoS mode set, max no of request queues:%d.\n", | 
|  | ha->max_req_queues); | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019, | 
|  | "QoS mode set, max no of request queues:%d.\n", | 
|  | ha->max_req_queues); | 
|  | } | 
|  | ql_log_pci(ql_log_info, ha->pdev, 0x001a, | 
|  | "MSI-X vector count: %d.\n", msix); | 
|  | } else | 
|  | ql_log_pci(ql_log_info, ha->pdev, 0x001b, | 
|  | "BAR 3 not enabled.\n"); | 
|  |  | 
|  | mqiobase_exit: | 
|  | ha->msix_count = ha->max_rsp_queues + 1; | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c, | 
|  | "MSIX Count:%d.\n", ha->msix_count); | 
|  | return (0); | 
|  |  | 
|  | iospace_error_exit: | 
|  | return (-ENOMEM); | 
|  | } | 
|  |  | 
|  |  | 
|  | static int | 
|  | qla83xx_iospace_config(struct qla_hw_data *ha) | 
|  | { | 
|  | uint16_t msix; | 
|  | int cpus; | 
|  |  | 
|  | if (pci_request_selected_regions(ha->pdev, ha->bars, | 
|  | QLA2XXX_DRIVER_NAME)) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0117, | 
|  | "Failed to reserve PIO/MMIO regions (%s), aborting.\n", | 
|  | pci_name(ha->pdev)); | 
|  |  | 
|  | goto iospace_error_exit; | 
|  | } | 
|  |  | 
|  | /* Use MMIO operations for all accesses. */ | 
|  | if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { | 
|  | ql_log_pci(ql_log_warn, ha->pdev, 0x0118, | 
|  | "Invalid pci I/O region size (%s).\n", | 
|  | pci_name(ha->pdev)); | 
|  | goto iospace_error_exit; | 
|  | } | 
|  | if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { | 
|  | ql_log_pci(ql_log_warn, ha->pdev, 0x0119, | 
|  | "Invalid PCI mem region size (%s), aborting\n", | 
|  | pci_name(ha->pdev)); | 
|  | goto iospace_error_exit; | 
|  | } | 
|  |  | 
|  | ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN); | 
|  | if (!ha->iobase) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x011a, | 
|  | "Cannot remap MMIO (%s), aborting.\n", | 
|  | pci_name(ha->pdev)); | 
|  | goto iospace_error_exit; | 
|  | } | 
|  |  | 
|  | /* 64bit PCI BAR - BAR2 will correspoond to region 4 */ | 
|  | /* 83XX 26XX always use MQ type access for queues | 
|  | * - mbar 2, a.k.a region 4 */ | 
|  | ha->max_req_queues = ha->max_rsp_queues = 1; | 
|  | ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4), | 
|  | pci_resource_len(ha->pdev, 4)); | 
|  |  | 
|  | if (!ha->mqiobase) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x011d, | 
|  | "BAR2/region4 not enabled\n"); | 
|  | goto mqiobase_exit; | 
|  | } | 
|  |  | 
|  | ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2), | 
|  | pci_resource_len(ha->pdev, 2)); | 
|  | if (ha->msixbase) { | 
|  | /* Read MSIX vector size of the board */ | 
|  | pci_read_config_word(ha->pdev, | 
|  | QLA_83XX_PCI_MSIX_CONTROL, &msix); | 
|  | ha->msix_count = msix; | 
|  | /* Max queues are bounded by available msix vectors */ | 
|  | /* queue 0 uses two msix vectors */ | 
|  | if (ql2xmultique_tag) { | 
|  | cpus = num_online_cpus(); | 
|  | ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ? | 
|  | (cpus + 1) : (ha->msix_count - 1); | 
|  | ha->max_req_queues = 2; | 
|  | } else if (ql2xmaxqueues > 1) { | 
|  | ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ? | 
|  | QLA_MQ_SIZE : ql2xmaxqueues; | 
|  | ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c, | 
|  | "QoS mode set, max no of request queues:%d.\n", | 
|  | ha->max_req_queues); | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b, | 
|  | "QoS mode set, max no of request queues:%d.\n", | 
|  | ha->max_req_queues); | 
|  | } | 
|  | ql_log_pci(ql_log_info, ha->pdev, 0x011c, | 
|  | "MSI-X vector count: %d.\n", msix); | 
|  | } else | 
|  | ql_log_pci(ql_log_info, ha->pdev, 0x011e, | 
|  | "BAR 1 not enabled.\n"); | 
|  |  | 
|  | mqiobase_exit: | 
|  | ha->msix_count = ha->max_rsp_queues + 1; | 
|  |  | 
|  | qlt_83xx_iospace_config(ha); | 
|  |  | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f, | 
|  | "MSIX Count:%d.\n", ha->msix_count); | 
|  | return 0; | 
|  |  | 
|  | iospace_error_exit: | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | static struct isp_operations qla2100_isp_ops = { | 
|  | .pci_config		= qla2100_pci_config, | 
|  | .reset_chip		= qla2x00_reset_chip, | 
|  | .chip_diag		= qla2x00_chip_diag, | 
|  | .config_rings		= qla2x00_config_rings, | 
|  | .reset_adapter		= qla2x00_reset_adapter, | 
|  | .nvram_config		= qla2x00_nvram_config, | 
|  | .update_fw_options	= qla2x00_update_fw_options, | 
|  | .load_risc		= qla2x00_load_risc, | 
|  | .pci_info_str		= qla2x00_pci_info_str, | 
|  | .fw_version_str		= qla2x00_fw_version_str, | 
|  | .intr_handler		= qla2100_intr_handler, | 
|  | .enable_intrs		= qla2x00_enable_intrs, | 
|  | .disable_intrs		= qla2x00_disable_intrs, | 
|  | .abort_command		= qla2x00_abort_command, | 
|  | .target_reset		= qla2x00_abort_target, | 
|  | .lun_reset		= qla2x00_lun_reset, | 
|  | .fabric_login		= qla2x00_login_fabric, | 
|  | .fabric_logout		= qla2x00_fabric_logout, | 
|  | .calc_req_entries	= qla2x00_calc_iocbs_32, | 
|  | .build_iocbs		= qla2x00_build_scsi_iocbs_32, | 
|  | .prep_ms_iocb		= qla2x00_prep_ms_iocb, | 
|  | .prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb, | 
|  | .read_nvram		= qla2x00_read_nvram_data, | 
|  | .write_nvram		= qla2x00_write_nvram_data, | 
|  | .fw_dump		= qla2100_fw_dump, | 
|  | .beacon_on		= NULL, | 
|  | .beacon_off		= NULL, | 
|  | .beacon_blink		= NULL, | 
|  | .read_optrom		= qla2x00_read_optrom_data, | 
|  | .write_optrom		= qla2x00_write_optrom_data, | 
|  | .get_flash_version	= qla2x00_get_flash_version, | 
|  | .start_scsi		= qla2x00_start_scsi, | 
|  | .abort_isp		= qla2x00_abort_isp, | 
|  | .iospace_config     	= qla2x00_iospace_config, | 
|  | .initialize_adapter	= qla2x00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static struct isp_operations qla2300_isp_ops = { | 
|  | .pci_config		= qla2300_pci_config, | 
|  | .reset_chip		= qla2x00_reset_chip, | 
|  | .chip_diag		= qla2x00_chip_diag, | 
|  | .config_rings		= qla2x00_config_rings, | 
|  | .reset_adapter		= qla2x00_reset_adapter, | 
|  | .nvram_config		= qla2x00_nvram_config, | 
|  | .update_fw_options	= qla2x00_update_fw_options, | 
|  | .load_risc		= qla2x00_load_risc, | 
|  | .pci_info_str		= qla2x00_pci_info_str, | 
|  | .fw_version_str		= qla2x00_fw_version_str, | 
|  | .intr_handler		= qla2300_intr_handler, | 
|  | .enable_intrs		= qla2x00_enable_intrs, | 
|  | .disable_intrs		= qla2x00_disable_intrs, | 
|  | .abort_command		= qla2x00_abort_command, | 
|  | .target_reset		= qla2x00_abort_target, | 
|  | .lun_reset		= qla2x00_lun_reset, | 
|  | .fabric_login		= qla2x00_login_fabric, | 
|  | .fabric_logout		= qla2x00_fabric_logout, | 
|  | .calc_req_entries	= qla2x00_calc_iocbs_32, | 
|  | .build_iocbs		= qla2x00_build_scsi_iocbs_32, | 
|  | .prep_ms_iocb		= qla2x00_prep_ms_iocb, | 
|  | .prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb, | 
|  | .read_nvram		= qla2x00_read_nvram_data, | 
|  | .write_nvram		= qla2x00_write_nvram_data, | 
|  | .fw_dump		= qla2300_fw_dump, | 
|  | .beacon_on		= qla2x00_beacon_on, | 
|  | .beacon_off		= qla2x00_beacon_off, | 
|  | .beacon_blink		= qla2x00_beacon_blink, | 
|  | .read_optrom		= qla2x00_read_optrom_data, | 
|  | .write_optrom		= qla2x00_write_optrom_data, | 
|  | .get_flash_version	= qla2x00_get_flash_version, | 
|  | .start_scsi		= qla2x00_start_scsi, | 
|  | .abort_isp		= qla2x00_abort_isp, | 
|  | .iospace_config		= qla2x00_iospace_config, | 
|  | .initialize_adapter	= qla2x00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static struct isp_operations qla24xx_isp_ops = { | 
|  | .pci_config		= qla24xx_pci_config, | 
|  | .reset_chip		= qla24xx_reset_chip, | 
|  | .chip_diag		= qla24xx_chip_diag, | 
|  | .config_rings		= qla24xx_config_rings, | 
|  | .reset_adapter		= qla24xx_reset_adapter, | 
|  | .nvram_config		= qla24xx_nvram_config, | 
|  | .update_fw_options	= qla24xx_update_fw_options, | 
|  | .load_risc		= qla24xx_load_risc, | 
|  | .pci_info_str		= qla24xx_pci_info_str, | 
|  | .fw_version_str		= qla24xx_fw_version_str, | 
|  | .intr_handler		= qla24xx_intr_handler, | 
|  | .enable_intrs		= qla24xx_enable_intrs, | 
|  | .disable_intrs		= qla24xx_disable_intrs, | 
|  | .abort_command		= qla24xx_abort_command, | 
|  | .target_reset		= qla24xx_abort_target, | 
|  | .lun_reset		= qla24xx_lun_reset, | 
|  | .fabric_login		= qla24xx_login_fabric, | 
|  | .fabric_logout		= qla24xx_fabric_logout, | 
|  | .calc_req_entries	= NULL, | 
|  | .build_iocbs		= NULL, | 
|  | .prep_ms_iocb		= qla24xx_prep_ms_iocb, | 
|  | .prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb, | 
|  | .read_nvram		= qla24xx_read_nvram_data, | 
|  | .write_nvram		= qla24xx_write_nvram_data, | 
|  | .fw_dump		= qla24xx_fw_dump, | 
|  | .beacon_on		= qla24xx_beacon_on, | 
|  | .beacon_off		= qla24xx_beacon_off, | 
|  | .beacon_blink		= qla24xx_beacon_blink, | 
|  | .read_optrom		= qla24xx_read_optrom_data, | 
|  | .write_optrom		= qla24xx_write_optrom_data, | 
|  | .get_flash_version	= qla24xx_get_flash_version, | 
|  | .start_scsi		= qla24xx_start_scsi, | 
|  | .abort_isp		= qla2x00_abort_isp, | 
|  | .iospace_config		= qla2x00_iospace_config, | 
|  | .initialize_adapter	= qla2x00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static struct isp_operations qla25xx_isp_ops = { | 
|  | .pci_config		= qla25xx_pci_config, | 
|  | .reset_chip		= qla24xx_reset_chip, | 
|  | .chip_diag		= qla24xx_chip_diag, | 
|  | .config_rings		= qla24xx_config_rings, | 
|  | .reset_adapter		= qla24xx_reset_adapter, | 
|  | .nvram_config		= qla24xx_nvram_config, | 
|  | .update_fw_options	= qla24xx_update_fw_options, | 
|  | .load_risc		= qla24xx_load_risc, | 
|  | .pci_info_str		= qla24xx_pci_info_str, | 
|  | .fw_version_str		= qla24xx_fw_version_str, | 
|  | .intr_handler		= qla24xx_intr_handler, | 
|  | .enable_intrs		= qla24xx_enable_intrs, | 
|  | .disable_intrs		= qla24xx_disable_intrs, | 
|  | .abort_command		= qla24xx_abort_command, | 
|  | .target_reset		= qla24xx_abort_target, | 
|  | .lun_reset		= qla24xx_lun_reset, | 
|  | .fabric_login		= qla24xx_login_fabric, | 
|  | .fabric_logout		= qla24xx_fabric_logout, | 
|  | .calc_req_entries	= NULL, | 
|  | .build_iocbs		= NULL, | 
|  | .prep_ms_iocb		= qla24xx_prep_ms_iocb, | 
|  | .prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb, | 
|  | .read_nvram		= qla25xx_read_nvram_data, | 
|  | .write_nvram		= qla25xx_write_nvram_data, | 
|  | .fw_dump		= qla25xx_fw_dump, | 
|  | .beacon_on		= qla24xx_beacon_on, | 
|  | .beacon_off		= qla24xx_beacon_off, | 
|  | .beacon_blink		= qla24xx_beacon_blink, | 
|  | .read_optrom		= qla25xx_read_optrom_data, | 
|  | .write_optrom		= qla24xx_write_optrom_data, | 
|  | .get_flash_version	= qla24xx_get_flash_version, | 
|  | .start_scsi		= qla24xx_dif_start_scsi, | 
|  | .abort_isp		= qla2x00_abort_isp, | 
|  | .iospace_config		= qla2x00_iospace_config, | 
|  | .initialize_adapter	= qla2x00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static struct isp_operations qla81xx_isp_ops = { | 
|  | .pci_config		= qla25xx_pci_config, | 
|  | .reset_chip		= qla24xx_reset_chip, | 
|  | .chip_diag		= qla24xx_chip_diag, | 
|  | .config_rings		= qla24xx_config_rings, | 
|  | .reset_adapter		= qla24xx_reset_adapter, | 
|  | .nvram_config		= qla81xx_nvram_config, | 
|  | .update_fw_options	= qla81xx_update_fw_options, | 
|  | .load_risc		= qla81xx_load_risc, | 
|  | .pci_info_str		= qla24xx_pci_info_str, | 
|  | .fw_version_str		= qla24xx_fw_version_str, | 
|  | .intr_handler		= qla24xx_intr_handler, | 
|  | .enable_intrs		= qla24xx_enable_intrs, | 
|  | .disable_intrs		= qla24xx_disable_intrs, | 
|  | .abort_command		= qla24xx_abort_command, | 
|  | .target_reset		= qla24xx_abort_target, | 
|  | .lun_reset		= qla24xx_lun_reset, | 
|  | .fabric_login		= qla24xx_login_fabric, | 
|  | .fabric_logout		= qla24xx_fabric_logout, | 
|  | .calc_req_entries	= NULL, | 
|  | .build_iocbs		= NULL, | 
|  | .prep_ms_iocb		= qla24xx_prep_ms_iocb, | 
|  | .prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb, | 
|  | .read_nvram		= NULL, | 
|  | .write_nvram		= NULL, | 
|  | .fw_dump		= qla81xx_fw_dump, | 
|  | .beacon_on		= qla24xx_beacon_on, | 
|  | .beacon_off		= qla24xx_beacon_off, | 
|  | .beacon_blink		= qla83xx_beacon_blink, | 
|  | .read_optrom		= qla25xx_read_optrom_data, | 
|  | .write_optrom		= qla24xx_write_optrom_data, | 
|  | .get_flash_version	= qla24xx_get_flash_version, | 
|  | .start_scsi		= qla24xx_dif_start_scsi, | 
|  | .abort_isp		= qla2x00_abort_isp, | 
|  | .iospace_config		= qla2x00_iospace_config, | 
|  | .initialize_adapter	= qla2x00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static struct isp_operations qla82xx_isp_ops = { | 
|  | .pci_config		= qla82xx_pci_config, | 
|  | .reset_chip		= qla82xx_reset_chip, | 
|  | .chip_diag		= qla24xx_chip_diag, | 
|  | .config_rings		= qla82xx_config_rings, | 
|  | .reset_adapter		= qla24xx_reset_adapter, | 
|  | .nvram_config		= qla81xx_nvram_config, | 
|  | .update_fw_options	= qla24xx_update_fw_options, | 
|  | .load_risc		= qla82xx_load_risc, | 
|  | .pci_info_str		= qla24xx_pci_info_str, | 
|  | .fw_version_str		= qla24xx_fw_version_str, | 
|  | .intr_handler		= qla82xx_intr_handler, | 
|  | .enable_intrs		= qla82xx_enable_intrs, | 
|  | .disable_intrs		= qla82xx_disable_intrs, | 
|  | .abort_command		= qla24xx_abort_command, | 
|  | .target_reset		= qla24xx_abort_target, | 
|  | .lun_reset		= qla24xx_lun_reset, | 
|  | .fabric_login		= qla24xx_login_fabric, | 
|  | .fabric_logout		= qla24xx_fabric_logout, | 
|  | .calc_req_entries	= NULL, | 
|  | .build_iocbs		= NULL, | 
|  | .prep_ms_iocb		= qla24xx_prep_ms_iocb, | 
|  | .prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb, | 
|  | .read_nvram		= qla24xx_read_nvram_data, | 
|  | .write_nvram		= qla24xx_write_nvram_data, | 
|  | .fw_dump		= qla82xx_fw_dump, | 
|  | .beacon_on		= qla82xx_beacon_on, | 
|  | .beacon_off		= qla82xx_beacon_off, | 
|  | .beacon_blink		= NULL, | 
|  | .read_optrom		= qla82xx_read_optrom_data, | 
|  | .write_optrom		= qla82xx_write_optrom_data, | 
|  | .get_flash_version	= qla82xx_get_flash_version, | 
|  | .start_scsi             = qla82xx_start_scsi, | 
|  | .abort_isp		= qla82xx_abort_isp, | 
|  | .iospace_config     	= qla82xx_iospace_config, | 
|  | .initialize_adapter	= qla2x00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static struct isp_operations qla8044_isp_ops = { | 
|  | .pci_config		= qla82xx_pci_config, | 
|  | .reset_chip		= qla82xx_reset_chip, | 
|  | .chip_diag		= qla24xx_chip_diag, | 
|  | .config_rings		= qla82xx_config_rings, | 
|  | .reset_adapter		= qla24xx_reset_adapter, | 
|  | .nvram_config		= qla81xx_nvram_config, | 
|  | .update_fw_options	= qla24xx_update_fw_options, | 
|  | .load_risc		= qla82xx_load_risc, | 
|  | .pci_info_str		= qla24xx_pci_info_str, | 
|  | .fw_version_str		= qla24xx_fw_version_str, | 
|  | .intr_handler		= qla8044_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		= NULL, | 
|  | .write_nvram		= NULL, | 
|  | .fw_dump		= qla8044_fw_dump, | 
|  | .beacon_on		= qla82xx_beacon_on, | 
|  | .beacon_off		= qla82xx_beacon_off, | 
|  | .beacon_blink		= NULL, | 
|  | .read_optrom		= qla8044_read_optrom_data, | 
|  | .write_optrom		= qla8044_write_optrom_data, | 
|  | .get_flash_version	= qla82xx_get_flash_version, | 
|  | .start_scsi             = qla82xx_start_scsi, | 
|  | .abort_isp		= qla8044_abort_isp, | 
|  | .iospace_config		= qla82xx_iospace_config, | 
|  | .initialize_adapter	= qla2x00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static struct isp_operations qla83xx_isp_ops = { | 
|  | .pci_config		= qla25xx_pci_config, | 
|  | .reset_chip		= qla24xx_reset_chip, | 
|  | .chip_diag		= qla24xx_chip_diag, | 
|  | .config_rings		= qla24xx_config_rings, | 
|  | .reset_adapter		= qla24xx_reset_adapter, | 
|  | .nvram_config		= qla81xx_nvram_config, | 
|  | .update_fw_options	= qla81xx_update_fw_options, | 
|  | .load_risc		= qla81xx_load_risc, | 
|  | .pci_info_str		= qla24xx_pci_info_str, | 
|  | .fw_version_str		= qla24xx_fw_version_str, | 
|  | .intr_handler		= qla24xx_intr_handler, | 
|  | .enable_intrs		= qla24xx_enable_intrs, | 
|  | .disable_intrs		= qla24xx_disable_intrs, | 
|  | .abort_command		= qla24xx_abort_command, | 
|  | .target_reset		= qla24xx_abort_target, | 
|  | .lun_reset		= qla24xx_lun_reset, | 
|  | .fabric_login		= qla24xx_login_fabric, | 
|  | .fabric_logout		= qla24xx_fabric_logout, | 
|  | .calc_req_entries	= NULL, | 
|  | .build_iocbs		= NULL, | 
|  | .prep_ms_iocb		= qla24xx_prep_ms_iocb, | 
|  | .prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb, | 
|  | .read_nvram		= NULL, | 
|  | .write_nvram		= NULL, | 
|  | .fw_dump		= qla83xx_fw_dump, | 
|  | .beacon_on		= qla24xx_beacon_on, | 
|  | .beacon_off		= qla24xx_beacon_off, | 
|  | .beacon_blink		= qla83xx_beacon_blink, | 
|  | .read_optrom		= qla25xx_read_optrom_data, | 
|  | .write_optrom		= qla24xx_write_optrom_data, | 
|  | .get_flash_version	= qla24xx_get_flash_version, | 
|  | .start_scsi		= qla24xx_dif_start_scsi, | 
|  | .abort_isp		= qla2x00_abort_isp, | 
|  | .iospace_config		= qla83xx_iospace_config, | 
|  | .initialize_adapter	= qla2x00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static struct isp_operations qlafx00_isp_ops = { | 
|  | .pci_config		= qlafx00_pci_config, | 
|  | .reset_chip		= qlafx00_soft_reset, | 
|  | .chip_diag		= qlafx00_chip_diag, | 
|  | .config_rings		= qlafx00_config_rings, | 
|  | .reset_adapter		= qlafx00_soft_reset, | 
|  | .nvram_config		= NULL, | 
|  | .update_fw_options	= NULL, | 
|  | .load_risc		= NULL, | 
|  | .pci_info_str		= qlafx00_pci_info_str, | 
|  | .fw_version_str		= qlafx00_fw_version_str, | 
|  | .intr_handler		= qlafx00_intr_handler, | 
|  | .enable_intrs		= qlafx00_enable_intrs, | 
|  | .disable_intrs		= qlafx00_disable_intrs, | 
|  | .abort_command		= qla24xx_async_abort_command, | 
|  | .target_reset		= qlafx00_abort_target, | 
|  | .lun_reset		= qlafx00_lun_reset, | 
|  | .fabric_login		= NULL, | 
|  | .fabric_logout		= NULL, | 
|  | .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		= NULL, | 
|  | .beacon_on		= qla24xx_beacon_on, | 
|  | .beacon_off		= qla24xx_beacon_off, | 
|  | .beacon_blink		= NULL, | 
|  | .read_optrom		= qla24xx_read_optrom_data, | 
|  | .write_optrom		= qla24xx_write_optrom_data, | 
|  | .get_flash_version	= qla24xx_get_flash_version, | 
|  | .start_scsi		= qlafx00_start_scsi, | 
|  | .abort_isp		= qlafx00_abort_isp, | 
|  | .iospace_config		= qlafx00_iospace_config, | 
|  | .initialize_adapter	= qlafx00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static struct isp_operations qla27xx_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		= qla27xx_fwdump, | 
|  | .beacon_on		= qla24xx_beacon_on, | 
|  | .beacon_off		= qla24xx_beacon_off, | 
|  | .beacon_blink		= qla83xx_beacon_blink, | 
|  | .read_optrom		= qla25xx_read_optrom_data, | 
|  | .write_optrom		= qla24xx_write_optrom_data, | 
|  | .get_flash_version	= qla24xx_get_flash_version, | 
|  | .start_scsi		= qla24xx_dif_start_scsi, | 
|  | .abort_isp		= qla2x00_abort_isp, | 
|  | .iospace_config		= qla83xx_iospace_config, | 
|  | .initialize_adapter	= qla2x00_initialize_adapter, | 
|  | }; | 
|  |  | 
|  | static inline void | 
|  | qla2x00_set_isp_flags(struct qla_hw_data *ha) | 
|  | { | 
|  | ha->device_type = DT_EXTENDED_IDS; | 
|  | switch (ha->pdev->device) { | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2100: | 
|  | ha->device_type |= DT_ISP2100; | 
|  | ha->device_type &= ~DT_EXTENDED_IDS; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2100; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2200: | 
|  | ha->device_type |= DT_ISP2200; | 
|  | ha->device_type &= ~DT_EXTENDED_IDS; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2100; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2300: | 
|  | ha->device_type |= DT_ISP2300; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2300; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2312: | 
|  | ha->device_type |= DT_ISP2312; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2300; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2322: | 
|  | ha->device_type |= DT_ISP2322; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | if (ha->pdev->subsystem_vendor == 0x1028 && | 
|  | ha->pdev->subsystem_device == 0x0170) | 
|  | ha->device_type |= DT_OEM_001; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2300; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP6312: | 
|  | ha->device_type |= DT_ISP6312; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2300; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP6322: | 
|  | ha->device_type |= DT_ISP6322; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2300; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2422: | 
|  | ha->device_type |= DT_ISP2422; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->device_type |= DT_IIDMA; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2432: | 
|  | ha->device_type |= DT_ISP2432; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->device_type |= DT_IIDMA; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP8432: | 
|  | ha->device_type |= DT_ISP8432; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->device_type |= DT_IIDMA; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP5422: | 
|  | ha->device_type |= DT_ISP5422; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP5432: | 
|  | ha->device_type |= DT_ISP5432; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2532: | 
|  | ha->device_type |= DT_ISP2532; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->device_type |= DT_IIDMA; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP8001: | 
|  | ha->device_type |= DT_ISP8001; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->device_type |= DT_IIDMA; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP8021: | 
|  | ha->device_type |= DT_ISP8021; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | /* Initialize 82XX ISP flags */ | 
|  | qla82xx_init_flags(ha); | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP8044: | 
|  | ha->device_type |= DT_ISP8044; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | /* Initialize 82XX ISP flags */ | 
|  | qla82xx_init_flags(ha); | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2031: | 
|  | ha->device_type |= DT_ISP2031; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->device_type |= DT_IIDMA; | 
|  | ha->device_type |= DT_T10_PI; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP8031: | 
|  | ha->device_type |= DT_ISP8031; | 
|  | ha->device_type |= DT_ZIO_SUPPORTED; | 
|  | ha->device_type |= DT_FWI2; | 
|  | ha->device_type |= DT_IIDMA; | 
|  | ha->device_type |= DT_T10_PI; | 
|  | ha->fw_srisc_address = RISC_START_ADDRESS_2400; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISPF001: | 
|  | ha->device_type |= DT_ISPFX00; | 
|  | break; | 
|  | case PCI_DEVICE_ID_QLOGIC_ISP2071: | 
|  | ha->device_type |= DT_ISP2071; | 
|  | 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_ISP2271: | 
|  | ha->device_type |= DT_ISP2271; | 
|  | 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; | 
|  | } | 
|  |  | 
|  | 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 (IS_QLA27XX(ha)) | 
|  | ha->port_no--; | 
|  | else | 
|  | ha->port_no = !(ha->port_no & 1); | 
|  | } | 
|  |  | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b, | 
|  | "device_type=0x%x port=%d fw_srisc_address=0x%x.\n", | 
|  | ha->device_type, ha->port_no, ha->fw_srisc_address); | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2xxx_scan_start(struct Scsi_Host *shost) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(shost); | 
|  |  | 
|  | if (vha->hw->flags.running_gold_fw) | 
|  | return; | 
|  |  | 
|  | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); | 
|  | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); | 
|  | set_bit(RSCN_UPDATE, &vha->dpc_flags); | 
|  | set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags); | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) | 
|  | { | 
|  | scsi_qla_host_t *vha = shost_priv(shost); | 
|  |  | 
|  | if (!vha->host) | 
|  | return 1; | 
|  | if (time > vha->hw->loop_reset_delay * HZ) | 
|  | return 1; | 
|  |  | 
|  | return atomic_read(&vha->loop_state) == LOOP_READY; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * PCI driver interface | 
|  | */ | 
|  | static int | 
|  | qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | 
|  | { | 
|  | int	ret = -ENODEV; | 
|  | struct Scsi_Host *host; | 
|  | scsi_qla_host_t *base_vha = NULL; | 
|  | struct qla_hw_data *ha; | 
|  | char pci_info[30]; | 
|  | char fw_str[30], wq_name[30]; | 
|  | struct scsi_host_template *sht; | 
|  | int bars, mem_only = 0; | 
|  | uint16_t req_length = 0, rsp_length = 0; | 
|  | struct req_que *req = NULL; | 
|  | struct rsp_que *rsp = NULL; | 
|  | bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); | 
|  | sht = &qla2xxx_driver_template; | 
|  | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 || | 
|  | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271) { | 
|  | bars = pci_select_bars(pdev, IORESOURCE_MEM); | 
|  | mem_only = 1; | 
|  | ql_dbg_pci(ql_dbg_init, pdev, 0x0007, | 
|  | "Mem only adapter.\n"); | 
|  | } | 
|  | ql_dbg_pci(ql_dbg_init, pdev, 0x0008, | 
|  | "Bars=%d.\n", bars); | 
|  |  | 
|  | if (mem_only) { | 
|  | if (pci_enable_device_mem(pdev)) | 
|  | goto probe_out; | 
|  | } else { | 
|  | if (pci_enable_device(pdev)) | 
|  | goto probe_out; | 
|  | } | 
|  |  | 
|  | /* This may fail but that's ok */ | 
|  | pci_enable_pcie_error_reporting(pdev); | 
|  |  | 
|  | ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL); | 
|  | if (!ha) { | 
|  | ql_log_pci(ql_log_fatal, pdev, 0x0009, | 
|  | "Unable to allocate memory for ha.\n"); | 
|  | goto probe_out; | 
|  | } | 
|  | ql_dbg_pci(ql_dbg_init, pdev, 0x000a, | 
|  | "Memory allocated for ha=%p.\n", ha); | 
|  | ha->pdev = pdev; | 
|  | ha->tgt.enable_class_2 = ql2xenableclass2; | 
|  | INIT_LIST_HEAD(&ha->tgt.q_full_list); | 
|  | spin_lock_init(&ha->tgt.q_full_lock); | 
|  |  | 
|  | /* Clear our data area */ | 
|  | ha->bars = bars; | 
|  | ha->mem_only = mem_only; | 
|  | spin_lock_init(&ha->hardware_lock); | 
|  | spin_lock_init(&ha->vport_slock); | 
|  | mutex_init(&ha->selflogin_lock); | 
|  | mutex_init(&ha->optrom_mutex); | 
|  |  | 
|  | /* 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) || | 
|  | IS_QLA83XX(ha) || IS_QLA27XX(ha)) | 
|  | pdev->needs_freset = 1; | 
|  |  | 
|  | ha->prev_topology = 0; | 
|  | ha->init_cb_size = sizeof(init_cb_t); | 
|  | ha->link_data_rate = PORT_SPEED_UNKNOWN; | 
|  | ha->optrom_size = OPTROM_SIZE_2300; | 
|  |  | 
|  | /* Assign ISP specific operations. */ | 
|  | if (IS_QLA2100(ha)) { | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; | 
|  | req_length = REQUEST_ENTRY_CNT_2100; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_2100; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2100; | 
|  | ha->gid_list_info_size = 4; | 
|  | ha->flash_conf_off = ~0; | 
|  | ha->flash_data_off = ~0; | 
|  | ha->nvram_conf_off = ~0; | 
|  | ha->nvram_data_off = ~0; | 
|  | ha->isp_ops = &qla2100_isp_ops; | 
|  | } else if (IS_QLA2200(ha)) { | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT_2200; | 
|  | req_length = REQUEST_ENTRY_CNT_2200; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_2100; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2100; | 
|  | ha->gid_list_info_size = 4; | 
|  | ha->flash_conf_off = ~0; | 
|  | ha->flash_data_off = ~0; | 
|  | ha->nvram_conf_off = ~0; | 
|  | ha->nvram_data_off = ~0; | 
|  | ha->isp_ops = &qla2100_isp_ops; | 
|  | } else if (IS_QLA23XX(ha)) { | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT; | 
|  | req_length = REQUEST_ENTRY_CNT_2200; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_2300; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | 
|  | ha->gid_list_info_size = 6; | 
|  | if (IS_QLA2322(ha) || IS_QLA6322(ha)) | 
|  | ha->optrom_size = OPTROM_SIZE_2322; | 
|  | ha->flash_conf_off = ~0; | 
|  | ha->flash_data_off = ~0; | 
|  | ha->nvram_conf_off = ~0; | 
|  | ha->nvram_data_off = ~0; | 
|  | ha->isp_ops = &qla2300_isp_ops; | 
|  | } else if (IS_QLA24XX_TYPE(ha)) { | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT; | 
|  | req_length = REQUEST_ENTRY_CNT_24XX; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_2300; | 
|  | ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | 
|  | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); | 
|  | ha->gid_list_info_size = 8; | 
|  | ha->optrom_size = OPTROM_SIZE_24XX; | 
|  | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX; | 
|  | ha->isp_ops = &qla24xx_isp_ops; | 
|  | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; | 
|  | ha->flash_data_off = FARX_ACCESS_FLASH_DATA; | 
|  | ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; | 
|  | ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; | 
|  | } else if (IS_QLA25XX(ha)) { | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT; | 
|  | req_length = REQUEST_ENTRY_CNT_24XX; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_2300; | 
|  | ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | 
|  | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); | 
|  | ha->gid_list_info_size = 8; | 
|  | ha->optrom_size = OPTROM_SIZE_25XX; | 
|  | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; | 
|  | ha->isp_ops = &qla25xx_isp_ops; | 
|  | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; | 
|  | ha->flash_data_off = FARX_ACCESS_FLASH_DATA; | 
|  | ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; | 
|  | ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; | 
|  | } else if (IS_QLA81XX(ha)) { | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT; | 
|  | req_length = REQUEST_ENTRY_CNT_24XX; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_2300; | 
|  | ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | 
|  | ha->init_cb_size = sizeof(struct mid_init_cb_81xx); | 
|  | ha->gid_list_info_size = 8; | 
|  | ha->optrom_size = OPTROM_SIZE_81XX; | 
|  | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; | 
|  | ha->isp_ops = &qla81xx_isp_ops; | 
|  | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; | 
|  | ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; | 
|  | ha->nvram_conf_off = ~0; | 
|  | ha->nvram_data_off = ~0; | 
|  | } else if (IS_QLA82XX(ha)) { | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT; | 
|  | req_length = REQUEST_ENTRY_CNT_82XX; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_82XX; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | 
|  | ha->init_cb_size = sizeof(struct mid_init_cb_81xx); | 
|  | ha->gid_list_info_size = 8; | 
|  | ha->optrom_size = OPTROM_SIZE_82XX; | 
|  | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; | 
|  | ha->isp_ops = &qla82xx_isp_ops; | 
|  | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; | 
|  | ha->flash_data_off = FARX_ACCESS_FLASH_DATA; | 
|  | ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; | 
|  | ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; | 
|  | } else if (IS_QLA8044(ha)) { | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT; | 
|  | req_length = REQUEST_ENTRY_CNT_82XX; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_82XX; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | 
|  | ha->init_cb_size = sizeof(struct mid_init_cb_81xx); | 
|  | ha->gid_list_info_size = 8; | 
|  | ha->optrom_size = OPTROM_SIZE_83XX; | 
|  | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; | 
|  | ha->isp_ops = &qla8044_isp_ops; | 
|  | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; | 
|  | ha->flash_data_off = FARX_ACCESS_FLASH_DATA; | 
|  | ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; | 
|  | ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; | 
|  | } else if (IS_QLA83XX(ha)) { | 
|  | ha->portnum = PCI_FUNC(ha->pdev->devfn); | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT; | 
|  | req_length = REQUEST_ENTRY_CNT_83XX; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_2300; | 
|  | ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | 
|  | ha->init_cb_size = sizeof(struct mid_init_cb_81xx); | 
|  | ha->gid_list_info_size = 8; | 
|  | ha->optrom_size = OPTROM_SIZE_83XX; | 
|  | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; | 
|  | ha->isp_ops = &qla83xx_isp_ops; | 
|  | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; | 
|  | ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; | 
|  | ha->nvram_conf_off = ~0; | 
|  | ha->nvram_data_off = ~0; | 
|  | }  else if (IS_QLAFX00(ha)) { | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00; | 
|  | ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00; | 
|  | req_length = REQUEST_ENTRY_CNT_FX00; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_FX00; | 
|  | ha->isp_ops = &qlafx00_isp_ops; | 
|  | ha->port_down_retry_count = 30; /* default value */ | 
|  | ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL; | 
|  | ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL; | 
|  | ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL; | 
|  | ha->mr.fw_hbt_en = 1; | 
|  | ha->mr.host_info_resend = false; | 
|  | ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL; | 
|  | } else if (IS_QLA27XX(ha)) { | 
|  | ha->portnum = PCI_FUNC(ha->pdev->devfn); | 
|  | ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; | 
|  | ha->mbx_count = MAILBOX_REGISTER_COUNT; | 
|  | req_length = REQUEST_ENTRY_CNT_24XX; | 
|  | rsp_length = RESPONSE_ENTRY_CNT_2300; | 
|  | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; | 
|  | ha->init_cb_size = sizeof(struct mid_init_cb_81xx); | 
|  | ha->gid_list_info_size = 8; | 
|  | ha->optrom_size = OPTROM_SIZE_83XX; | 
|  | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; | 
|  | ha->isp_ops = &qla27xx_isp_ops; | 
|  | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; | 
|  | ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; | 
|  | ha->nvram_conf_off = ~0; | 
|  | ha->nvram_data_off = ~0; | 
|  | } | 
|  |  | 
|  | ql_dbg_pci(ql_dbg_init, pdev, 0x001e, | 
|  | "mbx_count=%d, req_length=%d, " | 
|  | "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, " | 
|  | "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, " | 
|  | "max_fibre_devices=%d.\n", | 
|  | ha->mbx_count, req_length, rsp_length, ha->max_loop_id, | 
|  | ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size, | 
|  | ha->nvram_npiv_size, ha->max_fibre_devices); | 
|  | ql_dbg_pci(ql_dbg_init, pdev, 0x001f, | 
|  | "isp_ops=%p, flash_conf_off=%d, " | 
|  | "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n", | 
|  | ha->isp_ops, ha->flash_conf_off, ha->flash_data_off, | 
|  | ha->nvram_conf_off, ha->nvram_data_off); | 
|  |  | 
|  | /* Configure PCI I/O space */ | 
|  | ret = ha->isp_ops->iospace_config(ha); | 
|  | if (ret) | 
|  | goto iospace_config_failed; | 
|  |  | 
|  | ql_log_pci(ql_log_info, pdev, 0x001d, | 
|  | "Found an ISP%04X irq %d iobase 0x%p.\n", | 
|  | pdev->device, pdev->irq, ha->iobase); | 
|  | mutex_init(&ha->vport_lock); | 
|  | init_completion(&ha->mbx_cmd_comp); | 
|  | complete(&ha->mbx_cmd_comp); | 
|  | init_completion(&ha->mbx_intr_comp); | 
|  | init_completion(&ha->dcbx_comp); | 
|  | init_completion(&ha->lb_portup_comp); | 
|  |  | 
|  | set_bit(0, (unsigned long *) ha->vp_idx_map); | 
|  |  | 
|  | qla2x00_config_dma_addressing(ha); | 
|  | ql_dbg_pci(ql_dbg_init, pdev, 0x0020, | 
|  | "64 Bit addressing is %s.\n", | 
|  | ha->flags.enable_64bit_addressing ? "enable" : | 
|  | "disable"); | 
|  | ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp); | 
|  | if (ret) { | 
|  | ql_log_pci(ql_log_fatal, pdev, 0x0031, | 
|  | "Failed to allocate memory for adapter, aborting.\n"); | 
|  |  | 
|  | goto probe_hw_failed; | 
|  | } | 
|  |  | 
|  | req->max_q_depth = MAX_Q_DEPTH; | 
|  | if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) | 
|  | req->max_q_depth = ql2xmaxqdepth; | 
|  |  | 
|  |  | 
|  | base_vha = qla2x00_create_host(sht, ha); | 
|  | if (!base_vha) { | 
|  | ret = -ENOMEM; | 
|  | qla2x00_mem_free(ha); | 
|  | qla2x00_free_req_que(ha, req); | 
|  | qla2x00_free_rsp_que(ha, rsp); | 
|  | goto probe_hw_failed; | 
|  | } | 
|  |  | 
|  | pci_set_drvdata(pdev, base_vha); | 
|  | set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags); | 
|  |  | 
|  | host = base_vha->host; | 
|  | base_vha->req = req; | 
|  | 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; | 
|  |  | 
|  | /* Setup fcport template structure. */ | 
|  | ha->mr.fcport.vha = base_vha; | 
|  | ha->mr.fcport.port_type = FCT_UNKNOWN; | 
|  | ha->mr.fcport.loop_id = FC_NO_LOOP_ID; | 
|  | qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED); | 
|  | ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED; | 
|  | ha->mr.fcport.scan_state = 1; | 
|  |  | 
|  | /* Set the SG table size based on ISP type */ | 
|  | if (!IS_FWI2_CAPABLE(ha)) { | 
|  | if (IS_QLA2100(ha)) | 
|  | host->sg_tablesize = 32; | 
|  | } else { | 
|  | if (!IS_QLA82XX(ha)) | 
|  | host->sg_tablesize = QLA_SG_ALL; | 
|  | } | 
|  | host->max_id = ha->max_fibre_devices; | 
|  | host->cmd_per_lun = 3; | 
|  | host->unique_id = host->host_no; | 
|  | if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) | 
|  | host->max_cmd_len = 32; | 
|  | else | 
|  | host->max_cmd_len = MAX_CMDSZ; | 
|  | host->max_channel = MAX_BUSES - 1; | 
|  | /* Older HBAs support only 16-bit LUNs */ | 
|  | if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) && | 
|  | ql2xmaxlun > 0xffff) | 
|  | host->max_lun = 0xffff; | 
|  | else | 
|  | host->max_lun = ql2xmaxlun; | 
|  | host->transportt = qla2xxx_transport_template; | 
|  | sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC); | 
|  |  | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x0033, | 
|  | "max_id=%d this_id=%d " | 
|  | "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d " | 
|  | "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id, | 
|  | host->this_id, host->cmd_per_lun, host->unique_id, | 
|  | host->max_cmd_len, host->max_channel, host->max_lun, | 
|  | host->transportt, sht->vendor_id); | 
|  |  | 
|  | que_init: | 
|  | /* Alloc arrays of request and response ring ptrs */ | 
|  | if (!qla2x00_alloc_queues(ha, req, rsp)) { | 
|  | ql_log(ql_log_fatal, base_vha, 0x003d, | 
|  | "Failed to allocate memory for queue pointers..." | 
|  | "aborting.\n"); | 
|  | goto probe_init_failed; | 
|  | } | 
|  |  | 
|  | qlt_probe_one_stage1(base_vha, ha); | 
|  |  | 
|  | /* Set up the irqs */ | 
|  | ret = qla2x00_request_irqs(ha, rsp); | 
|  | if (ret) | 
|  | goto probe_init_failed; | 
|  |  | 
|  | pci_save_state(pdev); | 
|  |  | 
|  | /* Assign back pointers */ | 
|  | rsp->req = req; | 
|  | req->rsp = rsp; | 
|  |  | 
|  | if (IS_QLAFX00(ha)) { | 
|  | ha->rsp_q_map[0] = rsp; | 
|  | ha->req_q_map[0] = req; | 
|  | 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 || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { | 
|  | req->req_q_in = &ha->mqiobase->isp25mq.req_q_in; | 
|  | req->req_q_out = &ha->mqiobase->isp25mq.req_q_out; | 
|  | rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in; | 
|  | rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out; | 
|  | } | 
|  |  | 
|  | if (IS_QLAFX00(ha)) { | 
|  | req->req_q_in = &ha->iobase->ispfx00.req_q_in; | 
|  | req->req_q_out = &ha->iobase->ispfx00.req_q_out; | 
|  | rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in; | 
|  | rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out; | 
|  | } | 
|  |  | 
|  | if (IS_P3P_TYPE(ha)) { | 
|  | req->req_q_out = &ha->iobase->isp82.req_q_out[0]; | 
|  | rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0]; | 
|  | rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0]; | 
|  | } | 
|  |  | 
|  | ql_dbg(ql_dbg_multiq, base_vha, 0xc009, | 
|  | "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n", | 
|  | ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp); | 
|  | ql_dbg(ql_dbg_multiq, base_vha, 0xc00a, | 
|  | "req->req_q_in=%p req->req_q_out=%p " | 
|  | "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n", | 
|  | req->req_q_in, req->req_q_out, | 
|  | rsp->rsp_q_in, rsp->rsp_q_out); | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x003e, | 
|  | "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n", | 
|  | ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp); | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x003f, | 
|  | "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n", | 
|  | req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out); | 
|  |  | 
|  | if (ha->isp_ops->initialize_adapter(base_vha)) { | 
|  | ql_log(ql_log_fatal, base_vha, 0x00d6, | 
|  | "Failed to initialize adapter - Adapter flags %x.\n", | 
|  | base_vha->device_flags); | 
|  |  | 
|  | if (IS_QLA82XX(ha)) { | 
|  | qla82xx_idc_lock(ha); | 
|  | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | 
|  | QLA8XXX_DEV_FAILED); | 
|  | qla82xx_idc_unlock(ha); | 
|  | ql_log(ql_log_fatal, base_vha, 0x00d7, | 
|  | "HW State: FAILED.\n"); | 
|  | } else if (IS_QLA8044(ha)) { | 
|  | qla8044_idc_lock(ha); | 
|  | qla8044_wr_direct(base_vha, | 
|  | QLA8044_CRB_DEV_STATE_INDEX, | 
|  | QLA8XXX_DEV_FAILED); | 
|  | qla8044_idc_unlock(ha); | 
|  | ql_log(ql_log_fatal, base_vha, 0x0150, | 
|  | "HW State: FAILED.\n"); | 
|  | } | 
|  |  | 
|  | ret = -ENODEV; | 
|  | goto probe_failed; | 
|  | } | 
|  |  | 
|  | if (IS_QLAFX00(ha)) | 
|  | host->can_queue = QLAFX00_MAX_CANQUEUE; | 
|  | else | 
|  | host->can_queue = req->num_outstanding_cmds - 10; | 
|  |  | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x0032, | 
|  | "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n", | 
|  | host->can_queue, base_vha->req, | 
|  | base_vha->mgmt_svr_loop_id, host->sg_tablesize); | 
|  |  | 
|  | if (ha->mqenable) { | 
|  | if (qla25xx_setup_mode(base_vha)) { | 
|  | ql_log(ql_log_warn, base_vha, 0x00ec, | 
|  | "Failed to create queues, falling back to single queue mode.\n"); | 
|  | goto que_init; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (ha->flags.running_gold_fw) | 
|  | goto skip_dpc; | 
|  |  | 
|  | /* | 
|  | * Startup the kernel thread for this host adapter | 
|  | */ | 
|  | ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, | 
|  | "%s_dpc", base_vha->host_str); | 
|  | if (IS_ERR(ha->dpc_thread)) { | 
|  | ql_log(ql_log_fatal, base_vha, 0x00ed, | 
|  | "Failed to start DPC thread.\n"); | 
|  | ret = PTR_ERR(ha->dpc_thread); | 
|  | goto probe_failed; | 
|  | } | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x00ee, | 
|  | "DPC thread started successfully.\n"); | 
|  |  | 
|  | /* | 
|  | * If we're not coming up in initiator mode, we might sit for | 
|  | * a while without waking up the dpc thread, which leads to a | 
|  | * stuck process warning.  So just kick the dpc once here and | 
|  | * let the kthread start (and go back to sleep in qla2x00_do_dpc). | 
|  | */ | 
|  | qla2xxx_wake_dpc(base_vha); | 
|  |  | 
|  | INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error); | 
|  |  | 
|  | if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) { | 
|  | sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no); | 
|  | ha->dpc_lp_wq = create_singlethread_workqueue(wq_name); | 
|  | INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen); | 
|  |  | 
|  | sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no); | 
|  | ha->dpc_hp_wq = create_singlethread_workqueue(wq_name); | 
|  | INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work); | 
|  | INIT_WORK(&ha->idc_state_handler, | 
|  | qla83xx_idc_state_handler_work); | 
|  | INIT_WORK(&ha->nic_core_unrecoverable, | 
|  | qla83xx_nic_core_unrecoverable_work); | 
|  | } | 
|  |  | 
|  | skip_dpc: | 
|  | list_add_tail(&base_vha->list, &ha->vp_list); | 
|  | base_vha->host->irq = ha->pdev->irq; | 
|  |  | 
|  | /* Initialized the timer */ | 
|  | qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL); | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x00ef, | 
|  | "Started qla2x00_timer with " | 
|  | "interval=%d.\n", WATCH_INTERVAL); | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x00f0, | 
|  | "Detected hba at address=%p.\n", | 
|  | ha); | 
|  |  | 
|  | if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { | 
|  | if (ha->fw_attributes & BIT_4) { | 
|  | int prot = 0, guard; | 
|  | base_vha->flags.difdix_supported = 1; | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x00f1, | 
|  | "Registering for DIF/DIX type 1 and 3 protection.\n"); | 
|  | if (ql2xenabledif == 1) | 
|  | prot = SHOST_DIX_TYPE0_PROTECTION; | 
|  | scsi_host_set_prot(host, | 
|  | prot | SHOST_DIF_TYPE1_PROTECTION | 
|  | | SHOST_DIF_TYPE2_PROTECTION | 
|  | | SHOST_DIF_TYPE3_PROTECTION | 
|  | | SHOST_DIX_TYPE1_PROTECTION | 
|  | | SHOST_DIX_TYPE2_PROTECTION | 
|  | | SHOST_DIX_TYPE3_PROTECTION); | 
|  |  | 
|  | guard = SHOST_DIX_GUARD_CRC; | 
|  |  | 
|  | if (IS_PI_IPGUARD_CAPABLE(ha) && | 
|  | (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha))) | 
|  | guard |= SHOST_DIX_GUARD_IP; | 
|  |  | 
|  | scsi_host_set_guard(host, guard); | 
|  | } else | 
|  | base_vha->flags.difdix_supported = 0; | 
|  | } | 
|  |  | 
|  | ha->isp_ops->enable_intrs(ha); | 
|  |  | 
|  | if (IS_QLAFX00(ha)) { | 
|  | ret = qlafx00_fx_disc(base_vha, | 
|  | &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO); | 
|  | host->sg_tablesize = (ha->mr.extended_io_enabled) ? | 
|  | QLA_SG_ALL : 128; | 
|  | } | 
|  |  | 
|  | ret = scsi_add_host(host, &pdev->dev); | 
|  | if (ret) | 
|  | goto probe_failed; | 
|  |  | 
|  | base_vha->flags.init_done = 1; | 
|  | base_vha->flags.online = 1; | 
|  | ha->prev_minidump_failed = 0; | 
|  |  | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x00f2, | 
|  | "Init done and hba is online.\n"); | 
|  |  | 
|  | if (qla_ini_mode_enabled(base_vha)) | 
|  | scsi_scan_host(host); | 
|  | else | 
|  | ql_dbg(ql_dbg_init, base_vha, 0x0122, | 
|  | "skipping scsi_scan_host() for non-initiator port\n"); | 
|  |  | 
|  | qla2x00_alloc_sysfs_attr(base_vha); | 
|  |  | 
|  | if (IS_QLAFX00(ha)) { | 
|  | ret = qlafx00_fx_disc(base_vha, | 
|  | &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO); | 
|  |  | 
|  | /* Register system information */ | 
|  | ret =  qlafx00_fx_disc(base_vha, | 
|  | &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO); | 
|  | } | 
|  |  | 
|  | qla2x00_init_host_attr(base_vha); | 
|  |  | 
|  | qla2x00_dfs_setup(base_vha); | 
|  |  | 
|  | ql_log(ql_log_info, base_vha, 0x00fb, | 
|  | "QLogic %s - %s.\n", ha->model_number, ha->model_desc); | 
|  | ql_log(ql_log_info, base_vha, 0x00fc, | 
|  | "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n", | 
|  | pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info), | 
|  | pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-', | 
|  | base_vha->host_no, | 
|  | ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str))); | 
|  |  | 
|  | qlt_add_target(ha, base_vha); | 
|  |  | 
|  | clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags); | 
|  | return 0; | 
|  |  | 
|  | probe_init_failed: | 
|  | qla2x00_free_req_que(ha, req); | 
|  | ha->req_q_map[0] = NULL; | 
|  | clear_bit(0, ha->req_qid_map); | 
|  | qla2x00_free_rsp_que(ha, rsp); | 
|  | ha->rsp_q_map[0] = NULL; | 
|  | clear_bit(0, ha->rsp_qid_map); | 
|  | ha->max_req_queues = ha->max_rsp_queues = 0; | 
|  |  | 
|  | probe_failed: | 
|  | if (base_vha->timer_active) | 
|  | qla2x00_stop_timer(base_vha); | 
|  | base_vha->flags.online = 0; | 
|  | if (ha->dpc_thread) { | 
|  | struct task_struct *t = ha->dpc_thread; | 
|  |  | 
|  | ha->dpc_thread = NULL; | 
|  | kthread_stop(t); | 
|  | } | 
|  |  | 
|  | qla2x00_free_device(base_vha); | 
|  |  | 
|  | scsi_host_put(base_vha->host); | 
|  |  | 
|  | probe_hw_failed: | 
|  | qla2x00_clear_drv_active(ha); | 
|  |  | 
|  | iospace_config_failed: | 
|  | if (IS_P3P_TYPE(ha)) { | 
|  | if (!ha->nx_pcibase) | 
|  | iounmap((device_reg_t *)ha->nx_pcibase); | 
|  | if (!ql2xdbwr) | 
|  | iounmap((device_reg_t *)ha->nxdb_wr_ptr); | 
|  | } else { | 
|  | if (ha->iobase) | 
|  | iounmap(ha->iobase); | 
|  | if (ha->cregbase) | 
|  | iounmap(ha->cregbase); | 
|  | } | 
|  | pci_release_selected_regions(ha->pdev, ha->bars); | 
|  | kfree(ha); | 
|  | ha = NULL; | 
|  |  | 
|  | probe_out: | 
|  | pci_disable_device(pdev); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2x00_shutdown(struct pci_dev *pdev) | 
|  | { | 
|  | scsi_qla_host_t *vha; | 
|  | struct qla_hw_data  *ha; | 
|  |  | 
|  | if (!atomic_read(&pdev->enable_cnt)) | 
|  | return; | 
|  |  | 
|  | vha = pci_get_drvdata(pdev); | 
|  | ha = vha->hw; | 
|  |  | 
|  | /* Notify ISPFX00 firmware */ | 
|  | if (IS_QLAFX00(ha)) | 
|  | qlafx00_driver_shutdown(vha, 20); | 
|  |  | 
|  | /* Turn-off FCE trace */ | 
|  | if (ha->flags.fce_enabled) { | 
|  | qla2x00_disable_fce_trace(vha, NULL, NULL); | 
|  | ha->flags.fce_enabled = 0; | 
|  | } | 
|  |  | 
|  | /* Turn-off EFT trace */ | 
|  | if (ha->eft) | 
|  | qla2x00_disable_eft_trace(vha); | 
|  |  | 
|  | /* Stop currently executing firmware. */ | 
|  | qla2x00_try_to_stop_firmware(vha); | 
|  |  | 
|  | /* Turn adapter off line */ | 
|  | vha->flags.online = 0; | 
|  |  | 
|  | /* turn-off interrupts on the card */ | 
|  | if (ha->interrupts_on) { | 
|  | vha->flags.init_done = 0; | 
|  | ha->isp_ops->disable_intrs(ha); | 
|  | } | 
|  |  | 
|  | qla2x00_free_irqs(vha); | 
|  |  | 
|  | qla2x00_free_fw_dump(ha); | 
|  |  | 
|  | pci_disable_pcie_error_reporting(pdev); | 
|  | pci_disable_device(pdev); | 
|  | } | 
|  |  | 
|  | /* Deletes all the virtual ports for a given ha */ | 
|  | static void | 
|  | qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha) | 
|  | { | 
|  | struct Scsi_Host *scsi_host; | 
|  | scsi_qla_host_t *vha; | 
|  | unsigned long flags; | 
|  |  | 
|  | mutex_lock(&ha->vport_lock); | 
|  | while (ha->cur_vport_count) { | 
|  | spin_lock_irqsave(&ha->vport_slock, flags); | 
|  |  | 
|  | BUG_ON(base_vha->list.next == &ha->vp_list); | 
|  | /* This assumes first entry in ha->vp_list is always base vha */ | 
|  | vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list); | 
|  | scsi_host = scsi_host_get(vha->host); | 
|  |  | 
|  | spin_unlock_irqrestore(&ha->vport_slock, flags); | 
|  | mutex_unlock(&ha->vport_lock); | 
|  |  | 
|  | fc_vport_terminate(vha->fc_vport); | 
|  | scsi_host_put(vha->host); | 
|  |  | 
|  | mutex_lock(&ha->vport_lock); | 
|  | } | 
|  | mutex_unlock(&ha->vport_lock); | 
|  | } | 
|  |  | 
|  | /* Stops all deferred work threads */ | 
|  | static void | 
|  | qla2x00_destroy_deferred_work(struct qla_hw_data *ha) | 
|  | { | 
|  | /* Flush the work queue and remove it */ | 
|  | if (ha->wq) { | 
|  | flush_workqueue(ha->wq); | 
|  | destroy_workqueue(ha->wq); | 
|  | ha->wq = NULL; | 
|  | } | 
|  |  | 
|  | /* Cancel all work and destroy DPC workqueues */ | 
|  | if (ha->dpc_lp_wq) { | 
|  | cancel_work_sync(&ha->idc_aen); | 
|  | destroy_workqueue(ha->dpc_lp_wq); | 
|  | ha->dpc_lp_wq = NULL; | 
|  | } | 
|  |  | 
|  | if (ha->dpc_hp_wq) { | 
|  | cancel_work_sync(&ha->nic_core_reset); | 
|  | cancel_work_sync(&ha->idc_state_handler); | 
|  | cancel_work_sync(&ha->nic_core_unrecoverable); | 
|  | destroy_workqueue(ha->dpc_hp_wq); | 
|  | ha->dpc_hp_wq = NULL; | 
|  | } | 
|  |  | 
|  | /* Kill the kernel thread for this host */ | 
|  | if (ha->dpc_thread) { | 
|  | struct task_struct *t = ha->dpc_thread; | 
|  |  | 
|  | /* | 
|  | * qla2xxx_wake_dpc checks for ->dpc_thread | 
|  | * so we need to zero it out. | 
|  | */ | 
|  | ha->dpc_thread = NULL; | 
|  | kthread_stop(t); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2x00_unmap_iobases(struct qla_hw_data *ha) | 
|  | { | 
|  | if (IS_QLA82XX(ha)) { | 
|  |  | 
|  | iounmap((device_reg_t *)ha->nx_pcibase); | 
|  | if (!ql2xdbwr) | 
|  | iounmap((device_reg_t *)ha->nxdb_wr_ptr); | 
|  | } else { | 
|  | if (ha->iobase) | 
|  | iounmap(ha->iobase); | 
|  |  | 
|  | if (ha->cregbase) | 
|  | iounmap(ha->cregbase); | 
|  |  | 
|  | if (ha->mqiobase) | 
|  | iounmap(ha->mqiobase); | 
|  |  | 
|  | if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase) | 
|  | iounmap(ha->msixbase); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2x00_clear_drv_active(struct qla_hw_data *ha) | 
|  | { | 
|  | if (IS_QLA8044(ha)) { | 
|  | qla8044_idc_lock(ha); | 
|  | qla8044_clear_drv_active(ha); | 
|  | qla8044_idc_unlock(ha); | 
|  | } else if (IS_QLA82XX(ha)) { | 
|  | qla82xx_idc_lock(ha); | 
|  | qla82xx_clear_drv_active(ha); | 
|  | qla82xx_idc_unlock(ha); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2x00_remove_one(struct pci_dev *pdev) | 
|  | { | 
|  | scsi_qla_host_t *base_vha; | 
|  | struct qla_hw_data  *ha; | 
|  |  | 
|  | base_vha = pci_get_drvdata(pdev); | 
|  | ha = base_vha->hw; | 
|  |  | 
|  | /* Indicate device removal to prevent future board_disable and wait | 
|  | * until any pending board_disable has completed. */ | 
|  | set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags); | 
|  | cancel_work_sync(&ha->board_disable); | 
|  |  | 
|  | /* | 
|  | * If the PCI device is disabled then there was a PCI-disconnect and | 
|  | * qla2x00_disable_board_on_pci_error has taken care of most of the | 
|  | * resources. | 
|  | */ | 
|  | if (!atomic_read(&pdev->enable_cnt)) { | 
|  | scsi_host_put(base_vha->host); | 
|  | kfree(ha); | 
|  | pci_set_drvdata(pdev, NULL); | 
|  | return; | 
|  | } | 
|  |  | 
|  | qla2x00_wait_for_hba_ready(base_vha); | 
|  |  | 
|  | set_bit(UNLOADING, &base_vha->dpc_flags); | 
|  |  | 
|  | if (IS_QLAFX00(ha)) | 
|  | qlafx00_driver_shutdown(base_vha, 20); | 
|  |  | 
|  | qla2x00_delete_all_vps(ha, base_vha); | 
|  |  | 
|  | if (IS_QLA8031(ha)) { | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb07e, | 
|  | "Clearing fcoe driver presence.\n"); | 
|  | if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS) | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb079, | 
|  | "Error while clearing DRV-Presence.\n"); | 
|  | } | 
|  |  | 
|  | qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); | 
|  |  | 
|  | qla2x00_dfs_remove(base_vha); | 
|  |  | 
|  | qla84xx_put_chip(base_vha); | 
|  |  | 
|  | /* Laser should be disabled only for ISP2031 */ | 
|  | if (IS_QLA2031(ha)) | 
|  | qla83xx_disable_laser(base_vha); | 
|  |  | 
|  | /* Disable timer */ | 
|  | if (base_vha->timer_active) | 
|  | qla2x00_stop_timer(base_vha); | 
|  |  | 
|  | base_vha->flags.online = 0; | 
|  |  | 
|  | qla2x00_destroy_deferred_work(ha); | 
|  |  | 
|  | qlt_remove_target(ha, base_vha); | 
|  |  | 
|  | qla2x00_free_sysfs_attr(base_vha, true); | 
|  |  | 
|  | fc_remove_host(base_vha->host); | 
|  |  | 
|  | scsi_remove_host(base_vha->host); | 
|  |  | 
|  | qla2x00_free_device(base_vha); | 
|  |  | 
|  | qla2x00_clear_drv_active(ha); | 
|  |  | 
|  | scsi_host_put(base_vha->host); | 
|  |  | 
|  | qla2x00_unmap_iobases(ha); | 
|  |  | 
|  | pci_release_selected_regions(ha->pdev, ha->bars); | 
|  | kfree(ha); | 
|  | ha = NULL; | 
|  |  | 
|  | pci_disable_pcie_error_reporting(pdev); | 
|  |  | 
|  | pci_disable_device(pdev); | 
|  | } | 
|  |  | 
|  | 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); | 
|  |  | 
|  | qla25xx_delete_queues(vha); | 
|  |  | 
|  | if (ha->flags.fce_enabled) | 
|  | qla2x00_disable_fce_trace(vha, NULL, NULL); | 
|  |  | 
|  | if (ha->eft) | 
|  | qla2x00_disable_eft_trace(vha); | 
|  |  | 
|  | /* Stop currently executing firmware. */ | 
|  | qla2x00_try_to_stop_firmware(vha); | 
|  |  | 
|  | vha->flags.online = 0; | 
|  |  | 
|  | /* turn-off interrupts on the card */ | 
|  | if (ha->interrupts_on) { | 
|  | vha->flags.init_done = 0; | 
|  | ha->isp_ops->disable_intrs(ha); | 
|  | } | 
|  |  | 
|  | qla2x00_free_irqs(vha); | 
|  |  | 
|  | qla2x00_free_fcports(vha); | 
|  |  | 
|  | qla2x00_mem_free(ha); | 
|  |  | 
|  | qla82xx_md_free(vha); | 
|  |  | 
|  | qla2x00_free_queues(ha); | 
|  | } | 
|  |  | 
|  | void qla2x00_free_fcports(struct scsi_qla_host *vha) | 
|  | { | 
|  | fc_port_t *fcport, *tfcport; | 
|  |  | 
|  | list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) { | 
|  | list_del(&fcport->list); | 
|  | qla2x00_clear_loop_id(fcport); | 
|  | kfree(fcport); | 
|  | fcport = NULL; | 
|  | } | 
|  | } | 
|  |  | 
|  | static inline void | 
|  | qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport, | 
|  | int defer) | 
|  | { | 
|  | struct fc_rport *rport; | 
|  | scsi_qla_host_t *base_vha; | 
|  | unsigned long flags; | 
|  |  | 
|  | if (!fcport->rport) | 
|  | return; | 
|  |  | 
|  | rport = fcport->rport; | 
|  | if (defer) { | 
|  | base_vha = pci_get_drvdata(vha->hw->pdev); | 
|  | spin_lock_irqsave(vha->host->host_lock, flags); | 
|  | fcport->drport = rport; | 
|  | spin_unlock_irqrestore(vha->host->host_lock, flags); | 
|  | set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); | 
|  | qla2xxx_wake_dpc(base_vha); | 
|  | } else { | 
|  | fc_remote_port_delete(rport); | 
|  | qlt_fc_port_deleted(vha, fcport); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * qla2x00_mark_device_lost Updates fcport state when device goes offline. | 
|  | * | 
|  | * Input: ha = adapter block pointer.  fcport = port structure pointer. | 
|  | * | 
|  | * Return: None. | 
|  | * | 
|  | * Context: | 
|  | */ | 
|  | void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport, | 
|  | int do_login, int defer) | 
|  | { | 
|  | if (IS_QLAFX00(vha->hw)) { | 
|  | qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); | 
|  | qla2x00_schedule_rport_del(vha, fcport, defer); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (atomic_read(&fcport->state) == FCS_ONLINE && | 
|  | vha->vp_idx == fcport->vha->vp_idx) { | 
|  | qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); | 
|  | qla2x00_schedule_rport_del(vha, fcport, defer); | 
|  | } | 
|  | /* | 
|  | * We may need to retry the login, so don't change the state of the | 
|  | * port but do the retries. | 
|  | */ | 
|  | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) | 
|  | qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); | 
|  |  | 
|  | if (!do_login) | 
|  | return; | 
|  |  | 
|  | if (fcport->login_retry == 0) { | 
|  | fcport->login_retry = vha->hw->login_retry_count; | 
|  | set_bit(RELOGIN_NEEDED, &vha->dpc_flags); | 
|  |  | 
|  | ql_dbg(ql_dbg_disc, vha, 0x2067, | 
|  | "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n", | 
|  | fcport->port_name, fcport->loop_id, fcport->login_retry); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * qla2x00_mark_all_devices_lost | 
|  | *	Updates fcport state when device goes offline. | 
|  | * | 
|  | * Input: | 
|  | *	ha = adapter block pointer. | 
|  | *	fcport = port structure pointer. | 
|  | * | 
|  | * Return: | 
|  | *	None. | 
|  | * | 
|  | * Context: | 
|  | */ | 
|  | void | 
|  | qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer) | 
|  | { | 
|  | fc_port_t *fcport; | 
|  |  | 
|  | list_for_each_entry(fcport, &vha->vp_fcports, list) { | 
|  | if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx) | 
|  | continue; | 
|  |  | 
|  | /* | 
|  | * No point in marking the device as lost, if the device is | 
|  | * already DEAD. | 
|  | */ | 
|  | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) | 
|  | continue; | 
|  | if (atomic_read(&fcport->state) == FCS_ONLINE) { | 
|  | qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); | 
|  | if (defer) | 
|  | qla2x00_schedule_rport_del(vha, fcport, defer); | 
|  | else if (vha->vp_idx == fcport->vha->vp_idx) | 
|  | qla2x00_schedule_rport_del(vha, fcport, defer); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * qla2x00_mem_alloc | 
|  | *      Allocates adapter memory. | 
|  | * | 
|  | * Returns: | 
|  | *      0  = success. | 
|  | *      !0  = failure. | 
|  | */ | 
|  | static int | 
|  | qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, | 
|  | struct req_que **req, struct rsp_que **rsp) | 
|  | { | 
|  | char	name[16]; | 
|  |  | 
|  | ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size, | 
|  | &ha->init_cb_dma, GFP_KERNEL); | 
|  | if (!ha->init_cb) | 
|  | goto fail; | 
|  |  | 
|  | if (qlt_mem_alloc(ha) < 0) | 
|  | goto fail_free_init_cb; | 
|  |  | 
|  | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, | 
|  | qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL); | 
|  | if (!ha->gid_list) | 
|  | goto fail_free_tgt_mem; | 
|  |  | 
|  | ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); | 
|  | if (!ha->srb_mempool) | 
|  | goto fail_free_gid_list; | 
|  |  | 
|  | if (IS_P3P_TYPE(ha)) { | 
|  | /* Allocate cache for CT6 Ctx. */ | 
|  | if (!ctx_cachep) { | 
|  | ctx_cachep = kmem_cache_create("qla2xxx_ctx", | 
|  | sizeof(struct ct6_dsd), 0, | 
|  | SLAB_HWCACHE_ALIGN, NULL); | 
|  | if (!ctx_cachep) | 
|  | goto fail_free_gid_list; | 
|  | } | 
|  | ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ, | 
|  | ctx_cachep); | 
|  | if (!ha->ctx_mempool) | 
|  | goto fail_free_srb_mempool; | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021, | 
|  | "ctx_cachep=%p ctx_mempool=%p.\n", | 
|  | ctx_cachep, ha->ctx_mempool); | 
|  | } | 
|  |  | 
|  | /* Get memory for cached NVRAM */ | 
|  | ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); | 
|  | if (!ha->nvram) | 
|  | goto fail_free_ctx_mempool; | 
|  |  | 
|  | snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME, | 
|  | ha->pdev->device); | 
|  | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, | 
|  | DMA_POOL_SIZE, 8, 0); | 
|  | if (!ha->s_dma_pool) | 
|  | goto fail_free_nvram; | 
|  |  | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022, | 
|  | "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n", | 
|  | ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool); | 
|  |  | 
|  | if (IS_P3P_TYPE(ha) || ql2xenabledif) { | 
|  | ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev, | 
|  | DSD_LIST_DMA_POOL_SIZE, 8, 0); | 
|  | if (!ha->dl_dma_pool) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0023, | 
|  | "Failed to allocate memory for dl_dma_pool.\n"); | 
|  | goto fail_s_dma_pool; | 
|  | } | 
|  |  | 
|  | ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev, | 
|  | FCP_CMND_DMA_POOL_SIZE, 8, 0); | 
|  | if (!ha->fcp_cmnd_dma_pool) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0024, | 
|  | "Failed to allocate memory for fcp_cmnd_dma_pool.\n"); | 
|  | goto fail_dl_dma_pool; | 
|  | } | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025, | 
|  | "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n", | 
|  | ha->dl_dma_pool, ha->fcp_cmnd_dma_pool); | 
|  | } | 
|  |  | 
|  | /* Allocate memory for SNS commands */ | 
|  | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | 
|  | /* Get consistent memory allocated for SNS commands */ | 
|  | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, | 
|  | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL); | 
|  | if (!ha->sns_cmd) | 
|  | goto fail_dma_pool; | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026, | 
|  | "sns_cmd: %p.\n", ha->sns_cmd); | 
|  | } else { | 
|  | /* Get consistent memory allocated for MS IOCB */ | 
|  | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | 
|  | &ha->ms_iocb_dma); | 
|  | if (!ha->ms_iocb) | 
|  | goto fail_dma_pool; | 
|  | /* Get consistent memory allocated for CT SNS commands */ | 
|  | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, | 
|  | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL); | 
|  | if (!ha->ct_sns) | 
|  | goto fail_free_ms_iocb; | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027, | 
|  | "ms_iocb=%p ct_sns=%p.\n", | 
|  | ha->ms_iocb, ha->ct_sns); | 
|  | } | 
|  |  | 
|  | /* Allocate memory for request ring */ | 
|  | *req = kzalloc(sizeof(struct req_que), GFP_KERNEL); | 
|  | if (!*req) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0028, | 
|  | "Failed to allocate memory for req.\n"); | 
|  | goto fail_req; | 
|  | } | 
|  | (*req)->length = req_len; | 
|  | (*req)->ring = dma_alloc_coherent(&ha->pdev->dev, | 
|  | ((*req)->length + 1) * sizeof(request_t), | 
|  | &(*req)->dma, GFP_KERNEL); | 
|  | if (!(*req)->ring) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0029, | 
|  | "Failed to allocate memory for req_ring.\n"); | 
|  | goto fail_req_ring; | 
|  | } | 
|  | /* Allocate memory for response ring */ | 
|  | *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | 
|  | if (!*rsp) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x002a, | 
|  | "Failed to allocate memory for rsp.\n"); | 
|  | goto fail_rsp; | 
|  | } | 
|  | (*rsp)->hw = ha; | 
|  | (*rsp)->length = rsp_len; | 
|  | (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev, | 
|  | ((*rsp)->length + 1) * sizeof(response_t), | 
|  | &(*rsp)->dma, GFP_KERNEL); | 
|  | if (!(*rsp)->ring) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x002b, | 
|  | "Failed to allocate memory for rsp_ring.\n"); | 
|  | goto fail_rsp_ring; | 
|  | } | 
|  | (*req)->rsp = *rsp; | 
|  | (*rsp)->req = *req; | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c, | 
|  | "req=%p req->length=%d req->ring=%p rsp=%p " | 
|  | "rsp->length=%d rsp->ring=%p.\n", | 
|  | *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length, | 
|  | (*rsp)->ring); | 
|  | /* Allocate memory for NVRAM data for vports */ | 
|  | if (ha->nvram_npiv_size) { | 
|  | ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) * | 
|  | ha->nvram_npiv_size, GFP_KERNEL); | 
|  | if (!ha->npiv_info) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x002d, | 
|  | "Failed to allocate memory for npiv_info.\n"); | 
|  | goto fail_npiv_info; | 
|  | } | 
|  | } else | 
|  | ha->npiv_info = NULL; | 
|  |  | 
|  | /* Get consistent memory allocated for EX-INIT-CB. */ | 
|  | if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) { | 
|  | ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | 
|  | &ha->ex_init_cb_dma); | 
|  | if (!ha->ex_init_cb) | 
|  | goto fail_ex_init_cb; | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e, | 
|  | "ex_init_cb=%p.\n", ha->ex_init_cb); | 
|  | } | 
|  |  | 
|  | INIT_LIST_HEAD(&ha->gbl_dsd_list); | 
|  |  | 
|  | /* Get consistent memory allocated for Async Port-Database. */ | 
|  | if (!IS_FWI2_CAPABLE(ha)) { | 
|  | ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, | 
|  | &ha->async_pd_dma); | 
|  | if (!ha->async_pd) | 
|  | goto fail_async_pd; | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f, | 
|  | "async_pd=%p.\n", ha->async_pd); | 
|  | } | 
|  |  | 
|  | INIT_LIST_HEAD(&ha->vp_list); | 
|  |  | 
|  | /* Allocate memory for our loop_id bitmap */ | 
|  | ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long), | 
|  | GFP_KERNEL); | 
|  | if (!ha->loop_id_map) | 
|  | goto fail_async_pd; | 
|  | else { | 
|  | qla2x00_set_reserved_loop_ids(ha); | 
|  | ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123, | 
|  | "loop_id_map=%p.\n", ha->loop_id_map); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | fail_async_pd: | 
|  | dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma); | 
|  | fail_ex_init_cb: | 
|  | kfree(ha->npiv_info); | 
|  | fail_npiv_info: | 
|  | dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) * | 
|  | sizeof(response_t), (*rsp)->ring, (*rsp)->dma); | 
|  | (*rsp)->ring = NULL; | 
|  | (*rsp)->dma = 0; | 
|  | fail_rsp_ring: | 
|  | kfree(*rsp); | 
|  | fail_rsp: | 
|  | dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) * | 
|  | sizeof(request_t), (*req)->ring, (*req)->dma); | 
|  | (*req)->ring = NULL; | 
|  | (*req)->dma = 0; | 
|  | fail_req_ring: | 
|  | kfree(*req); | 
|  | fail_req: | 
|  | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | 
|  | ha->ct_sns, ha->ct_sns_dma); | 
|  | ha->ct_sns = NULL; | 
|  | ha->ct_sns_dma = 0; | 
|  | fail_free_ms_iocb: | 
|  | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | 
|  | ha->ms_iocb = NULL; | 
|  | ha->ms_iocb_dma = 0; | 
|  | fail_dma_pool: | 
|  | if (IS_QLA82XX(ha) || ql2xenabledif) { | 
|  | dma_pool_destroy(ha->fcp_cmnd_dma_pool); | 
|  | ha->fcp_cmnd_dma_pool = NULL; | 
|  | } | 
|  | fail_dl_dma_pool: | 
|  | if (IS_QLA82XX(ha) || ql2xenabledif) { | 
|  | dma_pool_destroy(ha->dl_dma_pool); | 
|  | ha->dl_dma_pool = NULL; | 
|  | } | 
|  | fail_s_dma_pool: | 
|  | dma_pool_destroy(ha->s_dma_pool); | 
|  | ha->s_dma_pool = NULL; | 
|  | fail_free_nvram: | 
|  | kfree(ha->nvram); | 
|  | ha->nvram = NULL; | 
|  | fail_free_ctx_mempool: | 
|  | mempool_destroy(ha->ctx_mempool); | 
|  | ha->ctx_mempool = NULL; | 
|  | fail_free_srb_mempool: | 
|  | mempool_destroy(ha->srb_mempool); | 
|  | ha->srb_mempool = NULL; | 
|  | fail_free_gid_list: | 
|  | dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), | 
|  | ha->gid_list, | 
|  | ha->gid_list_dma); | 
|  | ha->gid_list = NULL; | 
|  | ha->gid_list_dma = 0; | 
|  | fail_free_tgt_mem: | 
|  | qlt_mem_free(ha); | 
|  | fail_free_init_cb: | 
|  | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb, | 
|  | ha->init_cb_dma); | 
|  | ha->init_cb = NULL; | 
|  | ha->init_cb_dma = 0; | 
|  | fail: | 
|  | ql_log(ql_log_fatal, NULL, 0x0030, | 
|  | "Memory allocation failure.\n"); | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * qla2x00_free_fw_dump | 
|  | *	Frees fw dump stuff. | 
|  | * | 
|  | * Input: | 
|  | *	ha = adapter block pointer | 
|  | */ | 
|  | static void | 
|  | qla2x00_free_fw_dump(struct qla_hw_data *ha) | 
|  | { | 
|  | if (ha->fce) | 
|  | dma_free_coherent(&ha->pdev->dev, | 
|  | FCE_SIZE, ha->fce, ha->fce_dma); | 
|  |  | 
|  | if (ha->eft) | 
|  | dma_free_coherent(&ha->pdev->dev, | 
|  | EFT_SIZE, ha->eft, ha->eft_dma); | 
|  |  | 
|  | if (ha->fw_dump) | 
|  | vfree(ha->fw_dump); | 
|  | if (ha->fw_dump_template) | 
|  | vfree(ha->fw_dump_template); | 
|  |  | 
|  | ha->fce = NULL; | 
|  | ha->fce_dma = 0; | 
|  | ha->eft = NULL; | 
|  | ha->eft_dma = 0; | 
|  | ha->fw_dumped = 0; | 
|  | ha->fw_dump_cap_flags = 0; | 
|  | ha->fw_dump_reading = 0; | 
|  | ha->fw_dump = NULL; | 
|  | ha->fw_dump_len = 0; | 
|  | ha->fw_dump_template = NULL; | 
|  | ha->fw_dump_template_len = 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * qla2x00_mem_free | 
|  | *      Frees all adapter allocated memory. | 
|  | * | 
|  | * Input: | 
|  | *      ha = adapter block pointer. | 
|  | */ | 
|  | static void | 
|  | qla2x00_mem_free(struct qla_hw_data *ha) | 
|  | { | 
|  | qla2x00_free_fw_dump(ha); | 
|  |  | 
|  | if (ha->mctp_dump) | 
|  | dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump, | 
|  | ha->mctp_dump_dma); | 
|  |  | 
|  | if (ha->srb_mempool) | 
|  | mempool_destroy(ha->srb_mempool); | 
|  |  | 
|  | if (ha->dcbx_tlv) | 
|  | dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE, | 
|  | ha->dcbx_tlv, ha->dcbx_tlv_dma); | 
|  |  | 
|  | if (ha->xgmac_data) | 
|  | dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE, | 
|  | ha->xgmac_data, ha->xgmac_data_dma); | 
|  |  | 
|  | if (ha->sns_cmd) | 
|  | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), | 
|  | ha->sns_cmd, ha->sns_cmd_dma); | 
|  |  | 
|  | if (ha->ct_sns) | 
|  | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), | 
|  | ha->ct_sns, ha->ct_sns_dma); | 
|  |  | 
|  | if (ha->sfp_data) | 
|  | dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); | 
|  |  | 
|  | if (ha->ms_iocb) | 
|  | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); | 
|  |  | 
|  | if (ha->ex_init_cb) | 
|  | dma_pool_free(ha->s_dma_pool, | 
|  | ha->ex_init_cb, ha->ex_init_cb_dma); | 
|  |  | 
|  | if (ha->async_pd) | 
|  | dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma); | 
|  |  | 
|  | if (ha->s_dma_pool) | 
|  | dma_pool_destroy(ha->s_dma_pool); | 
|  |  | 
|  | if (ha->gid_list) | 
|  | dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), | 
|  | ha->gid_list, ha->gid_list_dma); | 
|  |  | 
|  | if (IS_QLA82XX(ha)) { | 
|  | if (!list_empty(&ha->gbl_dsd_list)) { | 
|  | struct dsd_dma *dsd_ptr, *tdsd_ptr; | 
|  |  | 
|  | /* clean up allocated prev pool */ | 
|  | list_for_each_entry_safe(dsd_ptr, | 
|  | tdsd_ptr, &ha->gbl_dsd_list, list) { | 
|  | dma_pool_free(ha->dl_dma_pool, | 
|  | dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma); | 
|  | list_del(&dsd_ptr->list); | 
|  | kfree(dsd_ptr); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (ha->dl_dma_pool) | 
|  | dma_pool_destroy(ha->dl_dma_pool); | 
|  |  | 
|  | if (ha->fcp_cmnd_dma_pool) | 
|  | dma_pool_destroy(ha->fcp_cmnd_dma_pool); | 
|  |  | 
|  | if (ha->ctx_mempool) | 
|  | mempool_destroy(ha->ctx_mempool); | 
|  |  | 
|  | qlt_mem_free(ha); | 
|  |  | 
|  | if (ha->init_cb) | 
|  | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, | 
|  | ha->init_cb, ha->init_cb_dma); | 
|  | vfree(ha->optrom_buffer); | 
|  | kfree(ha->nvram); | 
|  | kfree(ha->npiv_info); | 
|  | kfree(ha->swl); | 
|  | kfree(ha->loop_id_map); | 
|  |  | 
|  | ha->srb_mempool = NULL; | 
|  | ha->ctx_mempool = NULL; | 
|  | ha->sns_cmd = NULL; | 
|  | ha->sns_cmd_dma = 0; | 
|  | ha->ct_sns = NULL; | 
|  | ha->ct_sns_dma = 0; | 
|  | ha->ms_iocb = NULL; | 
|  | ha->ms_iocb_dma = 0; | 
|  | ha->init_cb = NULL; | 
|  | ha->init_cb_dma = 0; | 
|  | ha->ex_init_cb = NULL; | 
|  | ha->ex_init_cb_dma = 0; | 
|  | ha->async_pd = NULL; | 
|  | ha->async_pd_dma = 0; | 
|  |  | 
|  | ha->s_dma_pool = NULL; | 
|  | ha->dl_dma_pool = NULL; | 
|  | ha->fcp_cmnd_dma_pool = NULL; | 
|  |  | 
|  | ha->gid_list = NULL; | 
|  | ha->gid_list_dma = 0; | 
|  |  | 
|  | ha->tgt.atio_ring = NULL; | 
|  | ha->tgt.atio_dma = 0; | 
|  | ha->tgt.tgt_vp_map = NULL; | 
|  | } | 
|  |  | 
|  | struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, | 
|  | struct qla_hw_data *ha) | 
|  | { | 
|  | struct Scsi_Host *host; | 
|  | struct scsi_qla_host *vha = NULL; | 
|  |  | 
|  | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); | 
|  | if (host == NULL) { | 
|  | ql_log_pci(ql_log_fatal, ha->pdev, 0x0107, | 
|  | "Failed to allocate host from the scsi layer, aborting.\n"); | 
|  | goto fail; | 
|  | } | 
|  |  | 
|  | /* Clear our data area */ | 
|  | vha = shost_priv(host); | 
|  | memset(vha, 0, sizeof(scsi_qla_host_t)); | 
|  |  | 
|  | vha->host = host; | 
|  | vha->host_no = host->host_no; | 
|  | vha->hw = ha; | 
|  |  | 
|  | INIT_LIST_HEAD(&vha->vp_fcports); | 
|  | INIT_LIST_HEAD(&vha->work_list); | 
|  | INIT_LIST_HEAD(&vha->list); | 
|  |  | 
|  | spin_lock_init(&vha->work_lock); | 
|  |  | 
|  | sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no); | 
|  | ql_dbg(ql_dbg_init, vha, 0x0041, | 
|  | "Allocated the host=%p hw=%p vha=%p dev_name=%s", | 
|  | vha->host, vha->hw, vha, | 
|  | dev_name(&(ha->pdev->dev))); | 
|  |  | 
|  | return vha; | 
|  |  | 
|  | fail: | 
|  | return vha; | 
|  | } | 
|  |  | 
|  | static struct qla_work_evt * | 
|  | qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type) | 
|  | { | 
|  | struct qla_work_evt *e; | 
|  | uint8_t bail; | 
|  |  | 
|  | QLA_VHA_MARK_BUSY(vha, bail); | 
|  | if (bail) | 
|  | return NULL; | 
|  |  | 
|  | e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC); | 
|  | if (!e) { | 
|  | QLA_VHA_MARK_NOT_BUSY(vha); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | INIT_LIST_HEAD(&e->list); | 
|  | e->type = type; | 
|  | e->flags = QLA_EVT_FLAG_FREE; | 
|  | return e; | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e) | 
|  | { | 
|  | unsigned long flags; | 
|  |  | 
|  | spin_lock_irqsave(&vha->work_lock, flags); | 
|  | list_add_tail(&e->list, &vha->work_list); | 
|  | spin_unlock_irqrestore(&vha->work_lock, flags); | 
|  | qla2xxx_wake_dpc(vha); | 
|  |  | 
|  | return QLA_SUCCESS; | 
|  | } | 
|  |  | 
|  | int | 
|  | qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code, | 
|  | u32 data) | 
|  | { | 
|  | struct qla_work_evt *e; | 
|  |  | 
|  | e = qla2x00_alloc_work(vha, QLA_EVT_AEN); | 
|  | if (!e) | 
|  | return QLA_FUNCTION_FAILED; | 
|  |  | 
|  | e->u.aen.code = code; | 
|  | e->u.aen.data = data; | 
|  | return qla2x00_post_work(vha, e); | 
|  | } | 
|  |  | 
|  | int | 
|  | qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb) | 
|  | { | 
|  | struct qla_work_evt *e; | 
|  |  | 
|  | e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK); | 
|  | if (!e) | 
|  | return QLA_FUNCTION_FAILED; | 
|  |  | 
|  | memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t)); | 
|  | return qla2x00_post_work(vha, e); | 
|  | } | 
|  |  | 
|  | #define qla2x00_post_async_work(name, type)	\ | 
|  | int qla2x00_post_async_##name##_work(		\ | 
|  | struct scsi_qla_host *vha,			\ | 
|  | fc_port_t *fcport, uint16_t *data)		\ | 
|  | {						\ | 
|  | struct qla_work_evt *e;			\ | 
|  | \ | 
|  | e = qla2x00_alloc_work(vha, type);	\ | 
|  | if (!e)					\ | 
|  | return QLA_FUNCTION_FAILED;	\ | 
|  | \ | 
|  | e->u.logio.fcport = fcport;		\ | 
|  | if (data) {				\ | 
|  | e->u.logio.data[0] = data[0];	\ | 
|  | e->u.logio.data[1] = data[1];	\ | 
|  | }					\ | 
|  | return qla2x00_post_work(vha, e);	\ | 
|  | } | 
|  |  | 
|  | qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN); | 
|  | qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE); | 
|  | qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT); | 
|  | qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE); | 
|  | qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC); | 
|  | qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE); | 
|  |  | 
|  | int | 
|  | qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code) | 
|  | { | 
|  | struct qla_work_evt *e; | 
|  |  | 
|  | e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT); | 
|  | if (!e) | 
|  | return QLA_FUNCTION_FAILED; | 
|  |  | 
|  | e->u.uevent.code = code; | 
|  | return qla2x00_post_work(vha, e); | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code) | 
|  | { | 
|  | char event_string[40]; | 
|  | char *envp[] = { event_string, NULL }; | 
|  |  | 
|  | switch (code) { | 
|  | case QLA_UEVENT_CODE_FW_DUMP: | 
|  | snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld", | 
|  | vha->host_no); | 
|  | break; | 
|  | default: | 
|  | /* do nothing */ | 
|  | break; | 
|  | } | 
|  | kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp); | 
|  | } | 
|  |  | 
|  | int | 
|  | qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode, | 
|  | uint32_t *data, int cnt) | 
|  | { | 
|  | struct qla_work_evt *e; | 
|  |  | 
|  | e = qla2x00_alloc_work(vha, QLA_EVT_AENFX); | 
|  | if (!e) | 
|  | return QLA_FUNCTION_FAILED; | 
|  |  | 
|  | e->u.aenfx.evtcode = evtcode; | 
|  | e->u.aenfx.count = cnt; | 
|  | memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt); | 
|  | return qla2x00_post_work(vha, e); | 
|  | } | 
|  |  | 
|  | 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; | 
|  | case QLA_EVT_AENFX: | 
|  | qlafx00_process_aen(vha, e); | 
|  | break; | 
|  | } | 
|  | if (e->flags & QLA_EVT_FLAG_FREE) | 
|  | kfree(e); | 
|  |  | 
|  | /* For each work completed decrement vha ref count */ | 
|  | QLA_VHA_MARK_NOT_BUSY(vha); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Relogins all the fcports of a vport | 
|  | * Context: dpc thread | 
|  | */ | 
|  | void qla2x00_relogin(struct scsi_qla_host *vha) | 
|  | { | 
|  | fc_port_t       *fcport; | 
|  | int status; | 
|  | uint16_t        next_loopid = 0; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | uint16_t data[2]; | 
|  |  | 
|  | list_for_each_entry(fcport, &vha->vp_fcports, list) { | 
|  | /* | 
|  | * If the port is not ONLINE then try to login | 
|  | * to it if we haven't run out of retries. | 
|  | */ | 
|  | if (atomic_read(&fcport->state) != FCS_ONLINE && | 
|  | fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) { | 
|  | fcport->login_retry--; | 
|  | if (fcport->flags & FCF_FABRIC_DEVICE) { | 
|  | if (fcport->flags & FCF_FCP2_DEVICE) | 
|  | ha->isp_ops->fabric_logout(vha, | 
|  | fcport->loop_id, | 
|  | fcport->d_id.b.domain, | 
|  | fcport->d_id.b.area, | 
|  | fcport->d_id.b.al_pa); | 
|  |  | 
|  | if (fcport->loop_id == FC_NO_LOOP_ID) { | 
|  | fcport->loop_id = next_loopid = | 
|  | ha->min_external_loopid; | 
|  | status = qla2x00_find_new_loop_id( | 
|  | vha, fcport); | 
|  | if (status != QLA_SUCCESS) { | 
|  | /* Ran out of IDs to use */ | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (IS_ALOGIO_CAPABLE(ha)) { | 
|  | fcport->flags |= FCF_ASYNC_SENT; | 
|  | data[0] = 0; | 
|  | data[1] = QLA_LOGIO_LOGIN_RETRIED; | 
|  | status = qla2x00_post_async_login_work( | 
|  | vha, fcport, data); | 
|  | if (status == QLA_SUCCESS) | 
|  | continue; | 
|  | /* Attempt a retry. */ | 
|  | status = 1; | 
|  | } else { | 
|  | status = qla2x00_fabric_login(vha, | 
|  | fcport, &next_loopid); | 
|  | if (status ==  QLA_SUCCESS) { | 
|  | int status2; | 
|  | uint8_t opts; | 
|  |  | 
|  | opts = 0; | 
|  | if (fcport->flags & | 
|  | FCF_FCP2_DEVICE) | 
|  | opts |= BIT_1; | 
|  | status2 = | 
|  | qla2x00_get_port_database( | 
|  | vha, fcport, opts); | 
|  | if (status2 != QLA_SUCCESS) | 
|  | status = 1; | 
|  | } | 
|  | } | 
|  | } else | 
|  | status = qla2x00_local_device_login(vha, | 
|  | fcport); | 
|  |  | 
|  | if (status == QLA_SUCCESS) { | 
|  | fcport->old_loop_id = fcport->loop_id; | 
|  |  | 
|  | ql_dbg(ql_dbg_disc, vha, 0x2003, | 
|  | "Port login OK: logged in ID 0x%x.\n", | 
|  | fcport->loop_id); | 
|  |  | 
|  | qla2x00_update_fcport(vha, fcport); | 
|  |  | 
|  | } else if (status == 1) { | 
|  | set_bit(RELOGIN_NEEDED, &vha->dpc_flags); | 
|  | /* retry the login again */ | 
|  | ql_dbg(ql_dbg_disc, vha, 0x2007, | 
|  | "Retrying %d login again loop_id 0x%x.\n", | 
|  | fcport->login_retry, fcport->loop_id); | 
|  | } else { | 
|  | fcport->login_retry = 0; | 
|  | } | 
|  |  | 
|  | if (fcport->login_retry == 0 && status != QLA_SUCCESS) | 
|  | qla2x00_clear_loop_id(fcport); | 
|  | } | 
|  | if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Schedule work on any of the dpc-workqueues */ | 
|  | void | 
|  | qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code) | 
|  | { | 
|  | struct qla_hw_data *ha = base_vha->hw; | 
|  |  | 
|  | switch (work_code) { | 
|  | case MBA_IDC_AEN: /* 0x8200 */ | 
|  | if (ha->dpc_lp_wq) | 
|  | queue_work(ha->dpc_lp_wq, &ha->idc_aen); | 
|  | break; | 
|  |  | 
|  | case QLA83XX_NIC_CORE_RESET: /* 0x1 */ | 
|  | if (!ha->flags.nic_core_reset_hdlr_active) { | 
|  | if (ha->dpc_hp_wq) | 
|  | queue_work(ha->dpc_hp_wq, &ha->nic_core_reset); | 
|  | } else | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb05e, | 
|  | "NIC Core reset is already active. Skip " | 
|  | "scheduling it again.\n"); | 
|  | break; | 
|  | case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */ | 
|  | if (ha->dpc_hp_wq) | 
|  | queue_work(ha->dpc_hp_wq, &ha->idc_state_handler); | 
|  | break; | 
|  | case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */ | 
|  | if (ha->dpc_hp_wq) | 
|  | queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable); | 
|  | break; | 
|  | default: | 
|  | ql_log(ql_log_warn, base_vha, 0xb05f, | 
|  | "Unknown work-code=0x%x.\n", work_code); | 
|  | } | 
|  |  | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* Work: Perform NIC Core Unrecoverable state handling */ | 
|  | void | 
|  | qla83xx_nic_core_unrecoverable_work(struct work_struct *work) | 
|  | { | 
|  | struct qla_hw_data *ha = | 
|  | container_of(work, struct qla_hw_data, nic_core_unrecoverable); | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | 
|  | uint32_t dev_state = 0; | 
|  |  | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); | 
|  | qla83xx_reset_ownership(base_vha); | 
|  | if (ha->flags.nic_core_reset_owner) { | 
|  | ha->flags.nic_core_reset_owner = 0; | 
|  | qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE, | 
|  | QLA8XXX_DEV_FAILED); | 
|  | ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n"); | 
|  | qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER); | 
|  | } | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | } | 
|  |  | 
|  | /* Work: Execute IDC state handler */ | 
|  | void | 
|  | qla83xx_idc_state_handler_work(struct work_struct *work) | 
|  | { | 
|  | struct qla_hw_data *ha = | 
|  | container_of(work, struct qla_hw_data, idc_state_handler); | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | 
|  | uint32_t dev_state = 0; | 
|  |  | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); | 
|  | if (dev_state == QLA8XXX_DEV_FAILED || | 
|  | dev_state == QLA8XXX_DEV_NEED_QUIESCENT) | 
|  | qla83xx_idc_state_handler(base_vha); | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha) | 
|  | { | 
|  | int rval = QLA_SUCCESS; | 
|  | unsigned long heart_beat_wait = jiffies + (1 * HZ); | 
|  | uint32_t heart_beat_counter1, heart_beat_counter2; | 
|  |  | 
|  | do { | 
|  | if (time_after(jiffies, heart_beat_wait)) { | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb07c, | 
|  | "Nic Core f/w is not alive.\n"); | 
|  | rval = QLA_FUNCTION_FAILED; | 
|  | break; | 
|  | } | 
|  |  | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT, | 
|  | &heart_beat_counter1); | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | msleep(100); | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT, | 
|  | &heart_beat_counter2); | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | } while (heart_beat_counter1 == heart_beat_counter2); | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | /* Work: Perform NIC Core Reset handling */ | 
|  | void | 
|  | qla83xx_nic_core_reset_work(struct work_struct *work) | 
|  | { | 
|  | struct qla_hw_data *ha = | 
|  | container_of(work, struct qla_hw_data, nic_core_reset); | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | 
|  | uint32_t dev_state = 0; | 
|  |  | 
|  | if (IS_QLA2031(ha)) { | 
|  | if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS) | 
|  | ql_log(ql_log_warn, base_vha, 0xb081, | 
|  | "Failed to dump mctp\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (!ha->flags.nic_core_reset_hdlr_active) { | 
|  | if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) { | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, | 
|  | &dev_state); | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | if (dev_state != QLA8XXX_DEV_NEED_RESET) { | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb07a, | 
|  | "Nic Core f/w is alive.\n"); | 
|  | return; | 
|  | } | 
|  | } | 
|  |  | 
|  | ha->flags.nic_core_reset_hdlr_active = 1; | 
|  | if (qla83xx_nic_core_reset(base_vha)) { | 
|  | /* NIC Core reset failed. */ | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb061, | 
|  | "NIC Core reset failed.\n"); | 
|  | } | 
|  | ha->flags.nic_core_reset_hdlr_active = 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Work: Handle 8200 IDC aens */ | 
|  | void | 
|  | qla83xx_service_idc_aen(struct work_struct *work) | 
|  | { | 
|  | struct qla_hw_data *ha = | 
|  | container_of(work, struct qla_hw_data, idc_aen); | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | 
|  | uint32_t dev_state, idc_control; | 
|  |  | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control); | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | if (dev_state == QLA8XXX_DEV_NEED_RESET) { | 
|  | if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) { | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb062, | 
|  | "Application requested NIC Core Reset.\n"); | 
|  | qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET); | 
|  | } else if (qla83xx_check_nic_core_fw_alive(base_vha) == | 
|  | QLA_SUCCESS) { | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb07b, | 
|  | "Other protocol driver requested NIC Core Reset.\n"); | 
|  | qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET); | 
|  | } | 
|  | } else if (dev_state == QLA8XXX_DEV_FAILED || | 
|  | dev_state == QLA8XXX_DEV_NEED_QUIESCENT) { | 
|  | qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla83xx_wait_logic(void) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | /* Yield CPU */ | 
|  | if (!in_interrupt()) { | 
|  | /* | 
|  | * Wait about 200ms before retrying again. | 
|  | * This controls the number of retries for single | 
|  | * lock operation. | 
|  | */ | 
|  | msleep(100); | 
|  | schedule(); | 
|  | } else { | 
|  | for (i = 0; i < 20; i++) | 
|  | cpu_relax(); /* This a nop instr on i386 */ | 
|  | } | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha) | 
|  | { | 
|  | int rval; | 
|  | uint32_t data; | 
|  | uint32_t idc_lck_rcvry_stage_mask = 0x3; | 
|  | uint32_t idc_lck_rcvry_owner_mask = 0x3c; | 
|  | struct qla_hw_data *ha = base_vha->hw; | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb086, | 
|  | "Trying force recovery of the IDC lock.\n"); | 
|  |  | 
|  | rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data); | 
|  | if (rval) | 
|  | return rval; | 
|  |  | 
|  | if ((data & idc_lck_rcvry_stage_mask) > 0) { | 
|  | return QLA_SUCCESS; | 
|  | } else { | 
|  | data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2); | 
|  | rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, | 
|  | data); | 
|  | if (rval) | 
|  | return rval; | 
|  |  | 
|  | msleep(200); | 
|  |  | 
|  | rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, | 
|  | &data); | 
|  | if (rval) | 
|  | return rval; | 
|  |  | 
|  | if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) { | 
|  | data &= (IDC_LOCK_RECOVERY_STAGE2 | | 
|  | ~(idc_lck_rcvry_stage_mask)); | 
|  | rval = qla83xx_wr_reg(base_vha, | 
|  | QLA83XX_IDC_LOCK_RECOVERY, data); | 
|  | if (rval) | 
|  | return rval; | 
|  |  | 
|  | /* Forcefully perform IDC UnLock */ | 
|  | rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, | 
|  | &data); | 
|  | if (rval) | 
|  | return rval; | 
|  | /* Clear lock-id by setting 0xff */ | 
|  | rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, | 
|  | 0xff); | 
|  | if (rval) | 
|  | return rval; | 
|  | /* Clear lock-recovery by setting 0x0 */ | 
|  | rval = qla83xx_wr_reg(base_vha, | 
|  | QLA83XX_IDC_LOCK_RECOVERY, 0x0); | 
|  | if (rval) | 
|  | return rval; | 
|  | } else | 
|  | return QLA_SUCCESS; | 
|  | } | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha) | 
|  | { | 
|  | int rval = QLA_SUCCESS; | 
|  | uint32_t o_drv_lockid, n_drv_lockid; | 
|  | unsigned long lock_recovery_timeout; | 
|  |  | 
|  | lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT; | 
|  | retry_lockid: | 
|  | rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid); | 
|  | if (rval) | 
|  | goto exit; | 
|  |  | 
|  | /* MAX wait time before forcing IDC Lock recovery = 2 secs */ | 
|  | if (time_after_eq(jiffies, lock_recovery_timeout)) { | 
|  | if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS) | 
|  | return QLA_SUCCESS; | 
|  | else | 
|  | return QLA_FUNCTION_FAILED; | 
|  | } | 
|  |  | 
|  | rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid); | 
|  | if (rval) | 
|  | goto exit; | 
|  |  | 
|  | if (o_drv_lockid == n_drv_lockid) { | 
|  | qla83xx_wait_logic(); | 
|  | goto retry_lockid; | 
|  | } else | 
|  | return QLA_SUCCESS; | 
|  |  | 
|  | exit: | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | void | 
|  | qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id) | 
|  | { | 
|  | uint16_t options = (requester_id << 15) | BIT_6; | 
|  | uint32_t data; | 
|  | uint32_t lock_owner; | 
|  | struct qla_hw_data *ha = base_vha->hw; | 
|  |  | 
|  | /* IDC-lock implementation using driver-lock/lock-id remote registers */ | 
|  | retry_lock: | 
|  | if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data) | 
|  | == QLA_SUCCESS) { | 
|  | if (data) { | 
|  | /* Setting lock-id to our function-number */ | 
|  | qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, | 
|  | ha->portnum); | 
|  | } else { | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, | 
|  | &lock_owner); | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb063, | 
|  | "Failed to acquire IDC lock, acquired by %d, " | 
|  | "retrying...\n", lock_owner); | 
|  |  | 
|  | /* Retry/Perform IDC-Lock recovery */ | 
|  | if (qla83xx_idc_lock_recovery(base_vha) | 
|  | == QLA_SUCCESS) { | 
|  | qla83xx_wait_logic(); | 
|  | goto retry_lock; | 
|  | } else | 
|  | ql_log(ql_log_warn, base_vha, 0xb075, | 
|  | "IDC Lock recovery FAILED.\n"); | 
|  | } | 
|  |  | 
|  | } | 
|  |  | 
|  | return; | 
|  |  | 
|  | /* XXX: IDC-lock implementation using access-control mbx */ | 
|  | retry_lock2: | 
|  | if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) { | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb072, | 
|  | "Failed to acquire IDC lock. retrying...\n"); | 
|  | /* Retry/Perform IDC-Lock recovery */ | 
|  | if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) { | 
|  | qla83xx_wait_logic(); | 
|  | goto retry_lock2; | 
|  | } else | 
|  | ql_log(ql_log_warn, base_vha, 0xb076, | 
|  | "IDC Lock recovery FAILED.\n"); | 
|  | } | 
|  |  | 
|  | return; | 
|  | } | 
|  |  | 
|  | void | 
|  | qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id) | 
|  | { | 
|  | uint16_t options = (requester_id << 15) | BIT_7, retry; | 
|  | uint32_t data; | 
|  | struct qla_hw_data *ha = base_vha->hw; | 
|  |  | 
|  | /* IDC-unlock implementation using driver-unlock/lock-id | 
|  | * remote registers | 
|  | */ | 
|  | retry = 0; | 
|  | retry_unlock: | 
|  | if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data) | 
|  | == QLA_SUCCESS) { | 
|  | if (data == ha->portnum) { | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data); | 
|  | /* Clearing lock-id by setting 0xff */ | 
|  | qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff); | 
|  | } else if (retry < 10) { | 
|  | /* SV: XXX: IDC unlock retrying needed here? */ | 
|  |  | 
|  | /* Retry for IDC-unlock */ | 
|  | qla83xx_wait_logic(); | 
|  | retry++; | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb064, | 
|  | "Failed to release IDC lock, retyring=%d\n", retry); | 
|  | goto retry_unlock; | 
|  | } | 
|  | } else if (retry < 10) { | 
|  | /* Retry for IDC-unlock */ | 
|  | qla83xx_wait_logic(); | 
|  | retry++; | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb065, | 
|  | "Failed to read drv-lockid, retyring=%d\n", retry); | 
|  | goto retry_unlock; | 
|  | } | 
|  |  | 
|  | return; | 
|  |  | 
|  | /* XXX: IDC-unlock implementation using access-control mbx */ | 
|  | retry = 0; | 
|  | retry_unlock2: | 
|  | if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) { | 
|  | if (retry < 10) { | 
|  | /* Retry for IDC-unlock */ | 
|  | qla83xx_wait_logic(); | 
|  | retry++; | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb066, | 
|  | "Failed to release IDC lock, retyring=%d\n", retry); | 
|  | goto retry_unlock2; | 
|  | } | 
|  | } | 
|  |  | 
|  | return; | 
|  | } | 
|  |  | 
|  | int | 
|  | __qla83xx_set_drv_presence(scsi_qla_host_t *vha) | 
|  | { | 
|  | int rval = QLA_SUCCESS; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | uint32_t drv_presence; | 
|  |  | 
|  | rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); | 
|  | if (rval == QLA_SUCCESS) { | 
|  | drv_presence |= (1 << ha->portnum); | 
|  | rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE, | 
|  | drv_presence); | 
|  | } | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | int | 
|  | qla83xx_set_drv_presence(scsi_qla_host_t *vha) | 
|  | { | 
|  | int rval = QLA_SUCCESS; | 
|  |  | 
|  | qla83xx_idc_lock(vha, 0); | 
|  | rval = __qla83xx_set_drv_presence(vha); | 
|  | qla83xx_idc_unlock(vha, 0); | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | int | 
|  | __qla83xx_clear_drv_presence(scsi_qla_host_t *vha) | 
|  | { | 
|  | int rval = QLA_SUCCESS; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | uint32_t drv_presence; | 
|  |  | 
|  | rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); | 
|  | if (rval == QLA_SUCCESS) { | 
|  | drv_presence &= ~(1 << ha->portnum); | 
|  | rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE, | 
|  | drv_presence); | 
|  | } | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | int | 
|  | qla83xx_clear_drv_presence(scsi_qla_host_t *vha) | 
|  | { | 
|  | int rval = QLA_SUCCESS; | 
|  |  | 
|  | qla83xx_idc_lock(vha, 0); | 
|  | rval = __qla83xx_clear_drv_presence(vha); | 
|  | qla83xx_idc_unlock(vha, 0); | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla83xx_need_reset_handler(scsi_qla_host_t *vha) | 
|  | { | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | uint32_t drv_ack, drv_presence; | 
|  | unsigned long ack_timeout; | 
|  |  | 
|  | /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */ | 
|  | ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ); | 
|  | while (1) { | 
|  | qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack); | 
|  | qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); | 
|  | if ((drv_ack & drv_presence) == drv_presence) | 
|  | break; | 
|  |  | 
|  | if (time_after_eq(jiffies, ack_timeout)) { | 
|  | ql_log(ql_log_warn, vha, 0xb067, | 
|  | "RESET ACK TIMEOUT! drv_presence=0x%x " | 
|  | "drv_ack=0x%x\n", drv_presence, drv_ack); | 
|  | /* | 
|  | * The function(s) which did not ack in time are forced | 
|  | * to withdraw any further participation in the IDC | 
|  | * reset. | 
|  | */ | 
|  | if (drv_ack != drv_presence) | 
|  | qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE, | 
|  | drv_ack); | 
|  | break; | 
|  | } | 
|  |  | 
|  | qla83xx_idc_unlock(vha, 0); | 
|  | msleep(1000); | 
|  | qla83xx_idc_lock(vha, 0); | 
|  | } | 
|  |  | 
|  | qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD); | 
|  | ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n"); | 
|  | } | 
|  |  | 
|  | static int | 
|  | qla83xx_device_bootstrap(scsi_qla_host_t *vha) | 
|  | { | 
|  | int rval = QLA_SUCCESS; | 
|  | uint32_t idc_control; | 
|  |  | 
|  | qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING); | 
|  | ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n"); | 
|  |  | 
|  | /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */ | 
|  | __qla83xx_get_idc_control(vha, &idc_control); | 
|  | idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET; | 
|  | __qla83xx_set_idc_control(vha, 0); | 
|  |  | 
|  | qla83xx_idc_unlock(vha, 0); | 
|  | rval = qla83xx_restart_nic_firmware(vha); | 
|  | qla83xx_idc_lock(vha, 0); | 
|  |  | 
|  | if (rval != QLA_SUCCESS) { | 
|  | ql_log(ql_log_fatal, vha, 0xb06a, | 
|  | "Failed to restart NIC f/w.\n"); | 
|  | qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED); | 
|  | ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n"); | 
|  | } else { | 
|  | ql_dbg(ql_dbg_p3p, vha, 0xb06c, | 
|  | "Success in restarting nic f/w.\n"); | 
|  | qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY); | 
|  | ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n"); | 
|  | } | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | /* Assumes idc_lock always held on entry */ | 
|  | int | 
|  | qla83xx_idc_state_handler(scsi_qla_host_t *base_vha) | 
|  | { | 
|  | struct qla_hw_data *ha = base_vha->hw; | 
|  | int rval = QLA_SUCCESS; | 
|  | unsigned long dev_init_timeout; | 
|  | uint32_t dev_state; | 
|  |  | 
|  | /* Wait for MAX-INIT-TIMEOUT for the device to go ready */ | 
|  | dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ); | 
|  |  | 
|  | while (1) { | 
|  |  | 
|  | if (time_after_eq(jiffies, dev_init_timeout)) { | 
|  | ql_log(ql_log_warn, base_vha, 0xb06e, | 
|  | "Initialization TIMEOUT!\n"); | 
|  | /* Init timeout. Disable further NIC Core | 
|  | * communication. | 
|  | */ | 
|  | qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE, | 
|  | QLA8XXX_DEV_FAILED); | 
|  | ql_log(ql_log_info, base_vha, 0xb06f, | 
|  | "HW State: FAILED.\n"); | 
|  | } | 
|  |  | 
|  | qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); | 
|  | switch (dev_state) { | 
|  | case QLA8XXX_DEV_READY: | 
|  | if (ha->flags.nic_core_reset_owner) | 
|  | qla83xx_idc_audit(base_vha, | 
|  | IDC_AUDIT_COMPLETION); | 
|  | ha->flags.nic_core_reset_owner = 0; | 
|  | ql_dbg(ql_dbg_p3p, base_vha, 0xb070, | 
|  | "Reset_owner reset by 0x%x.\n", | 
|  | ha->portnum); | 
|  | goto exit; | 
|  | case QLA8XXX_DEV_COLD: | 
|  | if (ha->flags.nic_core_reset_owner) | 
|  | rval = qla83xx_device_bootstrap(base_vha); | 
|  | else { | 
|  | /* Wait for AEN to change device-state */ | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | msleep(1000); | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | } | 
|  | break; | 
|  | case QLA8XXX_DEV_INITIALIZING: | 
|  | /* Wait for AEN to change device-state */ | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | msleep(1000); | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | break; | 
|  | case QLA8XXX_DEV_NEED_RESET: | 
|  | if (!ql2xdontresethba && ha->flags.nic_core_reset_owner) | 
|  | qla83xx_need_reset_handler(base_vha); | 
|  | else { | 
|  | /* Wait for AEN to change device-state */ | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | msleep(1000); | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | } | 
|  | /* reset timeout value after need reset handler */ | 
|  | dev_init_timeout = jiffies + | 
|  | (ha->fcoe_dev_init_timeout * HZ); | 
|  | break; | 
|  | case QLA8XXX_DEV_NEED_QUIESCENT: | 
|  | /* XXX: DEBUG for now */ | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | msleep(1000); | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | break; | 
|  | case QLA8XXX_DEV_QUIESCENT: | 
|  | /* XXX: DEBUG for now */ | 
|  | if (ha->flags.quiesce_owner) | 
|  | goto exit; | 
|  |  | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | msleep(1000); | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | dev_init_timeout = jiffies + | 
|  | (ha->fcoe_dev_init_timeout * HZ); | 
|  | break; | 
|  | case QLA8XXX_DEV_FAILED: | 
|  | if (ha->flags.nic_core_reset_owner) | 
|  | qla83xx_idc_audit(base_vha, | 
|  | IDC_AUDIT_COMPLETION); | 
|  | ha->flags.nic_core_reset_owner = 0; | 
|  | __qla83xx_clear_drv_presence(base_vha); | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | qla8xxx_dev_failed_handler(base_vha); | 
|  | rval = QLA_FUNCTION_FAILED; | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | goto exit; | 
|  | case QLA8XXX_BAD_VALUE: | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | msleep(1000); | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | break; | 
|  | default: | 
|  | ql_log(ql_log_warn, base_vha, 0xb071, | 
|  | "Unknown Device State: %x.\n", dev_state); | 
|  | qla83xx_idc_unlock(base_vha, 0); | 
|  | qla8xxx_dev_failed_handler(base_vha); | 
|  | rval = QLA_FUNCTION_FAILED; | 
|  | qla83xx_idc_lock(base_vha, 0); | 
|  | goto exit; | 
|  | } | 
|  | } | 
|  |  | 
|  | exit: | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | void | 
|  | qla2x00_disable_board_on_pci_error(struct work_struct *work) | 
|  | { | 
|  | struct qla_hw_data *ha = container_of(work, struct qla_hw_data, | 
|  | board_disable); | 
|  | struct pci_dev *pdev = ha->pdev; | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); | 
|  |  | 
|  | ql_log(ql_log_warn, base_vha, 0x015b, | 
|  | "Disabling adapter.\n"); | 
|  |  | 
|  | set_bit(UNLOADING, &base_vha->dpc_flags); | 
|  |  | 
|  | qla2x00_delete_all_vps(ha, base_vha); | 
|  |  | 
|  | qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); | 
|  |  | 
|  | qla2x00_dfs_remove(base_vha); | 
|  |  | 
|  | qla84xx_put_chip(base_vha); | 
|  |  | 
|  | if (base_vha->timer_active) | 
|  | qla2x00_stop_timer(base_vha); | 
|  |  | 
|  | base_vha->flags.online = 0; | 
|  |  | 
|  | qla2x00_destroy_deferred_work(ha); | 
|  |  | 
|  | /* | 
|  | * Do not try to stop beacon blink as it will issue a mailbox | 
|  | * command. | 
|  | */ | 
|  | qla2x00_free_sysfs_attr(base_vha, false); | 
|  |  | 
|  | fc_remove_host(base_vha->host); | 
|  |  | 
|  | scsi_remove_host(base_vha->host); | 
|  |  | 
|  | base_vha->flags.init_done = 0; | 
|  | qla25xx_delete_queues(base_vha); | 
|  | qla2x00_free_irqs(base_vha); | 
|  | qla2x00_free_fcports(base_vha); | 
|  | qla2x00_mem_free(ha); | 
|  | qla82xx_md_free(base_vha); | 
|  | qla2x00_free_queues(ha); | 
|  |  | 
|  | qla2x00_unmap_iobases(ha); | 
|  |  | 
|  | pci_release_selected_regions(ha->pdev, ha->bars); | 
|  | pci_disable_pcie_error_reporting(pdev); | 
|  | pci_disable_device(pdev); | 
|  |  | 
|  | /* | 
|  | * Let qla2x00_remove_one cleanup qla_hw_data on device removal. | 
|  | */ | 
|  | } | 
|  |  | 
|  | /************************************************************************** | 
|  | * 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, MIN_NICE); | 
|  |  | 
|  | set_current_state(TASK_INTERRUPTIBLE); | 
|  | while (!kthread_should_stop()) { | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4000, | 
|  | "DPC handler sleeping.\n"); | 
|  |  | 
|  | schedule(); | 
|  |  | 
|  | if (!base_vha->flags.init_done || ha->flags.mbox_busy) | 
|  | goto end_loop; | 
|  |  | 
|  | if (ha->flags.eeh_busy) { | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4003, | 
|  | "eeh_busy=%d.\n", ha->flags.eeh_busy); | 
|  | goto end_loop; | 
|  | } | 
|  |  | 
|  | ha->dpc_active = 1; | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001, | 
|  | "DPC handler waking up, dpc_flags=0x%lx.\n", | 
|  | base_vha->dpc_flags); | 
|  |  | 
|  | qla2x00_do_work(base_vha); | 
|  |  | 
|  | if (IS_P3P_TYPE(ha)) { | 
|  | if (IS_QLA8044(ha)) { | 
|  | if (test_and_clear_bit(ISP_UNRECOVERABLE, | 
|  | &base_vha->dpc_flags)) { | 
|  | qla8044_idc_lock(ha); | 
|  | qla8044_wr_direct(base_vha, | 
|  | QLA8044_CRB_DEV_STATE_INDEX, | 
|  | QLA8XXX_DEV_FAILED); | 
|  | qla8044_idc_unlock(ha); | 
|  | ql_log(ql_log_info, base_vha, 0x4004, | 
|  | "HW State: FAILED.\n"); | 
|  | qla8044_device_state_handler(base_vha); | 
|  | continue; | 
|  | } | 
|  |  | 
|  | } else { | 
|  | if (test_and_clear_bit(ISP_UNRECOVERABLE, | 
|  | &base_vha->dpc_flags)) { | 
|  | qla82xx_idc_lock(ha); | 
|  | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | 
|  | QLA8XXX_DEV_FAILED); | 
|  | qla82xx_idc_unlock(ha); | 
|  | ql_log(ql_log_info, base_vha, 0x0151, | 
|  | "HW State: FAILED.\n"); | 
|  | qla82xx_device_state_handler(base_vha); | 
|  | continue; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED, | 
|  | &base_vha->dpc_flags)) { | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4005, | 
|  | "FCoE context reset scheduled.\n"); | 
|  | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | 
|  | &base_vha->dpc_flags))) { | 
|  | if (qla82xx_fcoe_ctx_reset(base_vha)) { | 
|  | /* FCoE-ctx reset failed. | 
|  | * Escalate to chip-reset | 
|  | */ | 
|  | set_bit(ISP_ABORT_NEEDED, | 
|  | &base_vha->dpc_flags); | 
|  | } | 
|  | clear_bit(ABORT_ISP_ACTIVE, | 
|  | &base_vha->dpc_flags); | 
|  | } | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4006, | 
|  | "FCoE context reset end.\n"); | 
|  | } | 
|  | } else if (IS_QLAFX00(ha)) { | 
|  | if (test_and_clear_bit(ISP_UNRECOVERABLE, | 
|  | &base_vha->dpc_flags)) { | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4020, | 
|  | "Firmware Reset Recovery\n"); | 
|  | if (qlafx00_reset_initialize(base_vha)) { | 
|  | /* Failed. Abort isp later. */ | 
|  | if (!test_bit(UNLOADING, | 
|  | &base_vha->dpc_flags)) { | 
|  | set_bit(ISP_UNRECOVERABLE, | 
|  | &base_vha->dpc_flags); | 
|  | ql_dbg(ql_dbg_dpc, base_vha, | 
|  | 0x4021, | 
|  | "Reset Recovery Failed\n"); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (test_and_clear_bit(FX00_TARGET_SCAN, | 
|  | &base_vha->dpc_flags)) { | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4022, | 
|  | "ISPFx00 Target Scan scheduled\n"); | 
|  | if (qlafx00_rescan_isp(base_vha)) { | 
|  | if (!test_bit(UNLOADING, | 
|  | &base_vha->dpc_flags)) | 
|  | set_bit(ISP_UNRECOVERABLE, | 
|  | &base_vha->dpc_flags); | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x401e, | 
|  | "ISPFx00 Target Scan Failed\n"); | 
|  | } | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x401f, | 
|  | "ISPFx00 Target Scan End\n"); | 
|  | } | 
|  | if (test_and_clear_bit(FX00_HOST_INFO_RESEND, | 
|  | &base_vha->dpc_flags)) { | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4023, | 
|  | "ISPFx00 Host Info resend scheduled\n"); | 
|  | qlafx00_fx_disc(base_vha, | 
|  | &base_vha->hw->mr.fcport, | 
|  | FXDISC_REG_HOST_INFO); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (test_and_clear_bit(ISP_ABORT_NEEDED, | 
|  | &base_vha->dpc_flags)) { | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4007, | 
|  | "ISP abort scheduled.\n"); | 
|  | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, | 
|  | &base_vha->dpc_flags))) { | 
|  |  | 
|  | if (ha->isp_ops->abort_isp(base_vha)) { | 
|  | /* failed. retry later */ | 
|  | set_bit(ISP_ABORT_NEEDED, | 
|  | &base_vha->dpc_flags); | 
|  | } | 
|  | clear_bit(ABORT_ISP_ACTIVE, | 
|  | &base_vha->dpc_flags); | 
|  | } | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4008, | 
|  | "ISP abort end.\n"); | 
|  | } | 
|  |  | 
|  | if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, | 
|  | &base_vha->dpc_flags)) { | 
|  | qla2x00_update_fcports(base_vha); | 
|  | } | 
|  |  | 
|  | if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) { | 
|  | int ret; | 
|  | ret = qla2x00_send_change_request(base_vha, 0x3, 0); | 
|  | if (ret != QLA_SUCCESS) | 
|  | ql_log(ql_log_warn, base_vha, 0x121, | 
|  | "Failed to enable receiving of RSCN " | 
|  | "requests: 0x%x.\n", ret); | 
|  | clear_bit(SCR_PENDING, &base_vha->dpc_flags); | 
|  | } | 
|  |  | 
|  | if (IS_QLAFX00(ha)) | 
|  | goto loop_resync_check; | 
|  |  | 
|  | if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) { | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4009, | 
|  | "Quiescence mode scheduled.\n"); | 
|  | if (IS_P3P_TYPE(ha)) { | 
|  | if (IS_QLA82XX(ha)) | 
|  | qla82xx_device_state_handler(base_vha); | 
|  | if (IS_QLA8044(ha)) | 
|  | qla8044_device_state_handler(base_vha); | 
|  | clear_bit(ISP_QUIESCE_NEEDED, | 
|  | &base_vha->dpc_flags); | 
|  | if (!ha->flags.quiesce_owner) { | 
|  | qla2x00_perform_loop_resync(base_vha); | 
|  | if (IS_QLA82XX(ha)) { | 
|  | qla82xx_idc_lock(ha); | 
|  | qla82xx_clear_qsnt_ready( | 
|  | base_vha); | 
|  | qla82xx_idc_unlock(ha); | 
|  | } else if (IS_QLA8044(ha)) { | 
|  | qla8044_idc_lock(ha); | 
|  | qla8044_clear_qsnt_ready( | 
|  | base_vha); | 
|  | qla8044_idc_unlock(ha); | 
|  | } | 
|  | } | 
|  | } else { | 
|  | clear_bit(ISP_QUIESCE_NEEDED, | 
|  | &base_vha->dpc_flags); | 
|  | qla2x00_quiesce_io(base_vha); | 
|  | } | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x400a, | 
|  | "Quiescence mode end.\n"); | 
|  | } | 
|  |  | 
|  | if (test_and_clear_bit(RESET_MARKER_NEEDED, | 
|  | &base_vha->dpc_flags) && | 
|  | (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) { | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x400b, | 
|  | "Reset marker scheduled.\n"); | 
|  | qla2x00_rst_aen(base_vha); | 
|  | clear_bit(RESET_ACTIVE, &base_vha->dpc_flags); | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x400c, | 
|  | "Reset marker end.\n"); | 
|  | } | 
|  |  | 
|  | /* Retry each device up to login retry count */ | 
|  | if ((test_and_clear_bit(RELOGIN_NEEDED, | 
|  | &base_vha->dpc_flags)) && | 
|  | !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) && | 
|  | atomic_read(&base_vha->loop_state) != LOOP_DOWN) { | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x400d, | 
|  | "Relogin scheduled.\n"); | 
|  | qla2x00_relogin(base_vha); | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x400e, | 
|  | "Relogin end.\n"); | 
|  | } | 
|  | loop_resync_check: | 
|  | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, | 
|  | &base_vha->dpc_flags)) { | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x400f, | 
|  | "Loop resync scheduled.\n"); | 
|  |  | 
|  | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, | 
|  | &base_vha->dpc_flags))) { | 
|  |  | 
|  | rval = qla2x00_loop_resync(base_vha); | 
|  |  | 
|  | clear_bit(LOOP_RESYNC_ACTIVE, | 
|  | &base_vha->dpc_flags); | 
|  | } | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4010, | 
|  | "Loop resync end.\n"); | 
|  | } | 
|  |  | 
|  | if (IS_QLAFX00(ha)) | 
|  | goto intr_on_check; | 
|  |  | 
|  | 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); | 
|  | } | 
|  |  | 
|  | intr_on_check: | 
|  | if (!ha->interrupts_on) | 
|  | ha->isp_ops->enable_intrs(ha); | 
|  |  | 
|  | if (test_and_clear_bit(BEACON_BLINK_NEEDED, | 
|  | &base_vha->dpc_flags)) { | 
|  | if (ha->beacon_blink_led == 1) | 
|  | ha->isp_ops->beacon_blink(base_vha); | 
|  | } | 
|  |  | 
|  | if (!IS_QLAFX00(ha)) | 
|  | qla2x00_do_dpc_all_vps(base_vha); | 
|  |  | 
|  | ha->dpc_active = 0; | 
|  | end_loop: | 
|  | set_current_state(TASK_INTERRUPTIBLE); | 
|  | } /* End of while(1) */ | 
|  | __set_current_state(TASK_RUNNING); | 
|  |  | 
|  | ql_dbg(ql_dbg_dpc, base_vha, 0x4011, | 
|  | "DPC handler exiting.\n"); | 
|  |  | 
|  | /* | 
|  | * Make sure that nobody tries to wake us up again. | 
|  | */ | 
|  | ha->dpc_active = 0; | 
|  |  | 
|  | /* Cleanup any residual CTX SRBs. */ | 
|  | qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | void | 
|  | qla2xxx_wake_dpc(struct scsi_qla_host *vha) | 
|  | { | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | struct task_struct *t = ha->dpc_thread; | 
|  |  | 
|  | if (!test_bit(UNLOADING, &vha->dpc_flags) && t) | 
|  | wake_up_process(t); | 
|  | } | 
|  |  | 
|  | /* | 
|  | *  qla2x00_rst_aen | 
|  | *      Processes asynchronous reset. | 
|  | * | 
|  | * Input: | 
|  | *      ha  = adapter block pointer. | 
|  | */ | 
|  | static void | 
|  | qla2x00_rst_aen(scsi_qla_host_t *vha) | 
|  | { | 
|  | if (vha->flags.online && !vha->flags.reset_active && | 
|  | !atomic_read(&vha->loop_down_timer) && | 
|  | !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) { | 
|  | do { | 
|  | clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); | 
|  |  | 
|  | /* | 
|  | * Issue marker command only when we are going to start | 
|  | * the I/O. | 
|  | */ | 
|  | vha->marker_needed = 1; | 
|  | } while (!atomic_read(&vha->loop_down_timer) && | 
|  | (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags))); | 
|  | } | 
|  | } | 
|  |  | 
|  | /************************************************************************** | 
|  | *   qla2x00_timer | 
|  | * | 
|  | * Description: | 
|  | *   One second timer | 
|  | * | 
|  | * Context: Interrupt | 
|  | ***************************************************************************/ | 
|  | void | 
|  | qla2x00_timer(scsi_qla_host_t *vha) | 
|  | { | 
|  | unsigned long	cpu_flags = 0; | 
|  | int		start_dpc = 0; | 
|  | int		index; | 
|  | srb_t		*sp; | 
|  | uint16_t        w; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | struct req_que *req; | 
|  |  | 
|  | if (ha->flags.eeh_busy) { | 
|  | ql_dbg(ql_dbg_timer, vha, 0x6000, | 
|  | "EEH = %d, restarting timer.\n", | 
|  | ha->flags.eeh_busy); | 
|  | qla2x00_restart_timer(vha, WATCH_INTERVAL); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Hardware read to raise pending EEH errors during mailbox waits. If | 
|  | * the read returns -1 then disable the board. | 
|  | */ | 
|  | if (!pci_channel_offline(ha->pdev)) { | 
|  | pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); | 
|  | qla2x00_check_reg16_for_disconnect(vha, w); | 
|  | } | 
|  |  | 
|  | /* Make sure qla82xx_watchdog is run only for physical port */ | 
|  | if (!vha->vp_idx && IS_P3P_TYPE(ha)) { | 
|  | if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) | 
|  | start_dpc++; | 
|  | if (IS_QLA82XX(ha)) | 
|  | qla82xx_watchdog(vha); | 
|  | else if (IS_QLA8044(ha)) | 
|  | qla8044_watchdog(vha); | 
|  | } | 
|  |  | 
|  | if (!vha->vp_idx && IS_QLAFX00(ha)) | 
|  | qlafx00_timer_routine(vha); | 
|  |  | 
|  | /* Loop down handler. */ | 
|  | if (atomic_read(&vha->loop_down_timer) > 0 && | 
|  | !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) && | 
|  | !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags)) | 
|  | && vha->flags.online) { | 
|  |  | 
|  | if (atomic_read(&vha->loop_down_timer) == | 
|  | vha->loop_down_abort_time) { | 
|  |  | 
|  | ql_log(ql_log_info, vha, 0x6008, | 
|  | "Loop down - aborting the queues before time expires.\n"); | 
|  |  | 
|  | if (!IS_QLA2100(ha) && vha->link_down_timeout) | 
|  | atomic_set(&vha->loop_state, LOOP_DEAD); | 
|  |  | 
|  | /* | 
|  | * Schedule an ISP abort to return any FCP2-device | 
|  | * commands. | 
|  | */ | 
|  | /* NPIV - scan physical port only */ | 
|  | if (!vha->vp_idx) { | 
|  | spin_lock_irqsave(&ha->hardware_lock, | 
|  | cpu_flags); | 
|  | req = ha->req_q_map[0]; | 
|  | for (index = 1; | 
|  | index < req->num_outstanding_cmds; | 
|  | index++) { | 
|  | fc_port_t *sfcp; | 
|  |  | 
|  | sp = req->outstanding_cmds[index]; | 
|  | if (!sp) | 
|  | continue; | 
|  | if (sp->type != SRB_SCSI_CMD) | 
|  | continue; | 
|  | sfcp = sp->fcport; | 
|  | if (!(sfcp->flags & FCF_FCP2_DEVICE)) | 
|  | continue; | 
|  |  | 
|  | if (IS_QLA82XX(ha)) | 
|  | set_bit(FCOE_CTX_RESET_NEEDED, | 
|  | &vha->dpc_flags); | 
|  | else | 
|  | set_bit(ISP_ABORT_NEEDED, | 
|  | &vha->dpc_flags); | 
|  | break; | 
|  | } | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, | 
|  | cpu_flags); | 
|  | } | 
|  | start_dpc++; | 
|  | } | 
|  |  | 
|  | /* if the loop has been down for 4 minutes, reinit adapter */ | 
|  | if (atomic_dec_and_test(&vha->loop_down_timer) != 0) { | 
|  | if (!(vha->device_flags & DFLG_NO_CABLE)) { | 
|  | ql_log(ql_log_warn, vha, 0x6009, | 
|  | "Loop down - aborting ISP.\n"); | 
|  |  | 
|  | if (IS_QLA82XX(ha)) | 
|  | set_bit(FCOE_CTX_RESET_NEEDED, | 
|  | &vha->dpc_flags); | 
|  | else | 
|  | set_bit(ISP_ABORT_NEEDED, | 
|  | &vha->dpc_flags); | 
|  | } | 
|  | } | 
|  | ql_dbg(ql_dbg_timer, vha, 0x600a, | 
|  | "Loop down - seconds remaining %d.\n", | 
|  | atomic_read(&vha->loop_down_timer)); | 
|  | } | 
|  | /* Check if beacon LED needs to be blinked for physical host only */ | 
|  | if (!vha->vp_idx && (ha->beacon_blink_led == 1)) { | 
|  | /* There is no beacon_blink function for ISP82xx */ | 
|  | if (!IS_P3P_TYPE(ha)) { | 
|  | set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags); | 
|  | start_dpc++; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Process any deferred work. */ | 
|  | if (!list_empty(&vha->work_list)) | 
|  | start_dpc++; | 
|  |  | 
|  | /* Schedule the DPC routine if needed */ | 
|  | if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || | 
|  | test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) || | 
|  | test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) || | 
|  | start_dpc || | 
|  | test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) || | 
|  | test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) || | 
|  | test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) || | 
|  | test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || | 
|  | test_bit(VP_DPC_NEEDED, &vha->dpc_flags) || | 
|  | test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) { | 
|  | ql_dbg(ql_dbg_timer, vha, 0x600b, | 
|  | "isp_abort_needed=%d loop_resync_needed=%d " | 
|  | "fcport_update_needed=%d start_dpc=%d " | 
|  | "reset_marker_needed=%d", | 
|  | test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags), | 
|  | test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags), | 
|  | test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags), | 
|  | start_dpc, | 
|  | test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)); | 
|  | ql_dbg(ql_dbg_timer, vha, 0x600c, | 
|  | "beacon_blink_needed=%d isp_unrecoverable=%d " | 
|  | "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d " | 
|  | "relogin_needed=%d.\n", | 
|  | test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags), | 
|  | test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags), | 
|  | test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags), | 
|  | test_bit(VP_DPC_NEEDED, &vha->dpc_flags), | 
|  | test_bit(RELOGIN_NEEDED, &vha->dpc_flags)); | 
|  | qla2xxx_wake_dpc(vha); | 
|  | } | 
|  |  | 
|  | qla2x00_restart_timer(vha, WATCH_INTERVAL); | 
|  | } | 
|  |  | 
|  | /* Firmware interface routines. */ | 
|  |  | 
|  | #define FW_BLOBS	11 | 
|  | #define FW_ISP21XX	0 | 
|  | #define FW_ISP22XX	1 | 
|  | #define FW_ISP2300	2 | 
|  | #define FW_ISP2322	3 | 
|  | #define FW_ISP24XX	4 | 
|  | #define FW_ISP25XX	5 | 
|  | #define FW_ISP81XX	6 | 
|  | #define FW_ISP82XX	7 | 
|  | #define FW_ISP2031	8 | 
|  | #define FW_ISP8031	9 | 
|  | #define FW_ISP27XX	10 | 
|  |  | 
|  | #define FW_FILE_ISP21XX	"ql2100_fw.bin" | 
|  | #define FW_FILE_ISP22XX	"ql2200_fw.bin" | 
|  | #define FW_FILE_ISP2300	"ql2300_fw.bin" | 
|  | #define FW_FILE_ISP2322	"ql2322_fw.bin" | 
|  | #define FW_FILE_ISP24XX	"ql2400_fw.bin" | 
|  | #define FW_FILE_ISP25XX	"ql2500_fw.bin" | 
|  | #define FW_FILE_ISP81XX	"ql8100_fw.bin" | 
|  | #define FW_FILE_ISP82XX	"ql8200_fw.bin" | 
|  | #define FW_FILE_ISP2031	"ql2600_fw.bin" | 
|  | #define FW_FILE_ISP8031	"ql8300_fw.bin" | 
|  | #define FW_FILE_ISP27XX	"ql2700_fw.bin" | 
|  |  | 
|  |  | 
|  | static DEFINE_MUTEX(qla_fw_lock); | 
|  |  | 
|  | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { | 
|  | { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, | 
|  | { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, | 
|  | { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, | 
|  | { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, | 
|  | { .name = FW_FILE_ISP24XX, }, | 
|  | { .name = FW_FILE_ISP25XX, }, | 
|  | { .name = FW_FILE_ISP81XX, }, | 
|  | { .name = FW_FILE_ISP82XX, }, | 
|  | { .name = FW_FILE_ISP2031, }, | 
|  | { .name = FW_FILE_ISP8031, }, | 
|  | { .name = FW_FILE_ISP27XX, }, | 
|  | }; | 
|  |  | 
|  | struct fw_blob * | 
|  | qla2x00_request_firmware(scsi_qla_host_t *vha) | 
|  | { | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | struct fw_blob *blob; | 
|  |  | 
|  | if (IS_QLA2100(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP21XX]; | 
|  | } else if (IS_QLA2200(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP22XX]; | 
|  | } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP2300]; | 
|  | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP2322]; | 
|  | } else if (IS_QLA24XX_TYPE(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP24XX]; | 
|  | } else if (IS_QLA25XX(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP25XX]; | 
|  | } else if (IS_QLA81XX(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP81XX]; | 
|  | } else if (IS_QLA82XX(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP82XX]; | 
|  | } else if (IS_QLA2031(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP2031]; | 
|  | } else if (IS_QLA8031(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP8031]; | 
|  | } else if (IS_QLA27XX(ha)) { | 
|  | blob = &qla_fw_blobs[FW_ISP27XX]; | 
|  | } else { | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | mutex_lock(&qla_fw_lock); | 
|  | if (blob->fw) | 
|  | goto out; | 
|  |  | 
|  | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { | 
|  | ql_log(ql_log_warn, vha, 0x0063, | 
|  | "Failed to load firmware image (%s).\n", blob->name); | 
|  | blob->fw = NULL; | 
|  | blob = NULL; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | out: | 
|  | mutex_unlock(&qla_fw_lock); | 
|  | return blob; | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2x00_release_firmware(void) | 
|  | { | 
|  | int idx; | 
|  |  | 
|  | mutex_lock(&qla_fw_lock); | 
|  | for (idx = 0; idx < FW_BLOBS; idx++) | 
|  | release_firmware(qla_fw_blobs[idx].fw); | 
|  | mutex_unlock(&qla_fw_lock); | 
|  | } | 
|  |  | 
|  | static pci_ers_result_t | 
|  | qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | 
|  | { | 
|  | scsi_qla_host_t *vha = pci_get_drvdata(pdev); | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  |  | 
|  | ql_dbg(ql_dbg_aer, vha, 0x9000, | 
|  | "PCI error detected, state %x.\n", state); | 
|  |  | 
|  | switch (state) { | 
|  | case pci_channel_io_normal: | 
|  | ha->flags.eeh_busy = 0; | 
|  | return PCI_ERS_RESULT_CAN_RECOVER; | 
|  | case pci_channel_io_frozen: | 
|  | ha->flags.eeh_busy = 1; | 
|  | /* For ISP82XX complete any pending mailbox cmd */ | 
|  | if (IS_QLA82XX(ha)) { | 
|  | ha->flags.isp82xx_fw_hung = 1; | 
|  | ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n"); | 
|  | qla82xx_clear_pending_mbx(vha); | 
|  | } | 
|  | qla2x00_free_irqs(vha); | 
|  | pci_disable_device(pdev); | 
|  | /* Return back all IOs */ | 
|  | qla2x00_abort_all_cmds(vha, DID_RESET << 16); | 
|  | return PCI_ERS_RESULT_NEED_RESET; | 
|  | case pci_channel_io_perm_failure: | 
|  | ha->flags.pci_channel_io_perm_failure = 1; | 
|  | qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); | 
|  | return PCI_ERS_RESULT_DISCONNECT; | 
|  | } | 
|  | return PCI_ERS_RESULT_NEED_RESET; | 
|  | } | 
|  |  | 
|  | static pci_ers_result_t | 
|  | qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) | 
|  | { | 
|  | int risc_paused = 0; | 
|  | uint32_t stat; | 
|  | unsigned long flags; | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); | 
|  | struct qla_hw_data *ha = base_vha->hw; | 
|  | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; | 
|  | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; | 
|  |  | 
|  | if (IS_QLA82XX(ha)) | 
|  | return PCI_ERS_RESULT_RECOVERED; | 
|  |  | 
|  | spin_lock_irqsave(&ha->hardware_lock, flags); | 
|  | if (IS_QLA2100(ha) || IS_QLA2200(ha)){ | 
|  | stat = RD_REG_DWORD(®->hccr); | 
|  | if (stat & HCCR_RISC_PAUSE) | 
|  | risc_paused = 1; | 
|  | } else if (IS_QLA23XX(ha)) { | 
|  | stat = RD_REG_DWORD(®->u.isp2300.host_status); | 
|  | if (stat & HSR_RISC_PAUSED) | 
|  | risc_paused = 1; | 
|  | } else if (IS_FWI2_CAPABLE(ha)) { | 
|  | stat = RD_REG_DWORD(®24->host_status); | 
|  | if (stat & HSRX_RISC_PAUSED) | 
|  | risc_paused = 1; | 
|  | } | 
|  | spin_unlock_irqrestore(&ha->hardware_lock, flags); | 
|  |  | 
|  | if (risc_paused) { | 
|  | ql_log(ql_log_info, base_vha, 0x9003, | 
|  | "RISC paused -- mmio_enabled, Dumping firmware.\n"); | 
|  | ha->isp_ops->fw_dump(base_vha, 0); | 
|  |  | 
|  | return PCI_ERS_RESULT_NEED_RESET; | 
|  | } else | 
|  | return PCI_ERS_RESULT_RECOVERED; | 
|  | } | 
|  |  | 
|  | static uint32_t | 
|  | qla82xx_error_recovery(scsi_qla_host_t *base_vha) | 
|  | { | 
|  | uint32_t rval = QLA_FUNCTION_FAILED; | 
|  | uint32_t drv_active = 0; | 
|  | struct qla_hw_data *ha = base_vha->hw; | 
|  | int fn; | 
|  | struct pci_dev *other_pdev = NULL; | 
|  |  | 
|  | ql_dbg(ql_dbg_aer, base_vha, 0x9006, | 
|  | "Entered %s.\n", __func__); | 
|  |  | 
|  | set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | 
|  |  | 
|  | if (base_vha->flags.online) { | 
|  | /* Abort all outstanding commands, | 
|  | * so as to be requeued later */ | 
|  | qla2x00_abort_isp_cleanup(base_vha); | 
|  | } | 
|  |  | 
|  |  | 
|  | fn = PCI_FUNC(ha->pdev->devfn); | 
|  | while (fn > 0) { | 
|  | fn--; | 
|  | ql_dbg(ql_dbg_aer, base_vha, 0x9007, | 
|  | "Finding pci device at function = 0x%x.\n", fn); | 
|  | other_pdev = | 
|  | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), | 
|  | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), | 
|  | fn)); | 
|  |  | 
|  | if (!other_pdev) | 
|  | continue; | 
|  | if (atomic_read(&other_pdev->enable_cnt)) { | 
|  | ql_dbg(ql_dbg_aer, base_vha, 0x9008, | 
|  | "Found PCI func available and enable at 0x%x.\n", | 
|  | fn); | 
|  | pci_dev_put(other_pdev); | 
|  | break; | 
|  | } | 
|  | pci_dev_put(other_pdev); | 
|  | } | 
|  |  | 
|  | if (!fn) { | 
|  | /* Reset owner */ | 
|  | ql_dbg(ql_dbg_aer, base_vha, 0x9009, | 
|  | "This devfn is reset owner = 0x%x.\n", | 
|  | ha->pdev->devfn); | 
|  | qla82xx_idc_lock(ha); | 
|  |  | 
|  | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | 
|  | QLA8XXX_DEV_INITIALIZING); | 
|  |  | 
|  | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, | 
|  | QLA82XX_IDC_VERSION); | 
|  |  | 
|  | drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); | 
|  | ql_dbg(ql_dbg_aer, base_vha, 0x900a, | 
|  | "drv_active = 0x%x.\n", drv_active); | 
|  |  | 
|  | qla82xx_idc_unlock(ha); | 
|  | /* Reset if device is not already reset | 
|  | * drv_active would be 0 if a reset has already been done | 
|  | */ | 
|  | if (drv_active) | 
|  | rval = qla82xx_start_firmware(base_vha); | 
|  | else | 
|  | rval = QLA_SUCCESS; | 
|  | qla82xx_idc_lock(ha); | 
|  |  | 
|  | if (rval != QLA_SUCCESS) { | 
|  | ql_log(ql_log_info, base_vha, 0x900b, | 
|  | "HW State: FAILED.\n"); | 
|  | qla82xx_clear_drv_active(ha); | 
|  | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | 
|  | QLA8XXX_DEV_FAILED); | 
|  | } else { | 
|  | ql_log(ql_log_info, base_vha, 0x900c, | 
|  | "HW State: READY.\n"); | 
|  | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, | 
|  | QLA8XXX_DEV_READY); | 
|  | qla82xx_idc_unlock(ha); | 
|  | ha->flags.isp82xx_fw_hung = 0; | 
|  | rval = qla82xx_restart_isp(base_vha); | 
|  | qla82xx_idc_lock(ha); | 
|  | /* Clear driver state register */ | 
|  | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0); | 
|  | qla82xx_set_drv_active(base_vha); | 
|  | } | 
|  | qla82xx_idc_unlock(ha); | 
|  | } else { | 
|  | ql_dbg(ql_dbg_aer, base_vha, 0x900d, | 
|  | "This devfn is not reset owner = 0x%x.\n", | 
|  | ha->pdev->devfn); | 
|  | if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) == | 
|  | QLA8XXX_DEV_READY)) { | 
|  | ha->flags.isp82xx_fw_hung = 0; | 
|  | rval = qla82xx_restart_isp(base_vha); | 
|  | qla82xx_idc_lock(ha); | 
|  | qla82xx_set_drv_active(base_vha); | 
|  | qla82xx_idc_unlock(ha); | 
|  | } | 
|  | } | 
|  | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | 
|  |  | 
|  | return rval; | 
|  | } | 
|  |  | 
|  | static pci_ers_result_t | 
|  | qla2xxx_pci_slot_reset(struct pci_dev *pdev) | 
|  | { | 
|  | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); | 
|  | struct qla_hw_data *ha = base_vha->hw; | 
|  | struct rsp_que *rsp; | 
|  | int rc, retries = 10; | 
|  |  | 
|  | ql_dbg(ql_dbg_aer, base_vha, 0x9004, | 
|  | "Slot Reset.\n"); | 
|  |  | 
|  | /* Workaround: qla2xxx driver which access hardware earlier | 
|  | * needs error state to be pci_channel_io_online. | 
|  | * Otherwise mailbox command timesout. | 
|  | */ | 
|  | pdev->error_state = pci_channel_io_normal; | 
|  |  | 
|  | pci_restore_state(pdev); | 
|  |  | 
|  | /* pci_restore_state() clears the saved_state flag of the device | 
|  | * save restored state which resets saved_state flag | 
|  | */ | 
|  | pci_save_state(pdev); | 
|  |  | 
|  | if (ha->mem_only) | 
|  | rc = pci_enable_device_mem(pdev); | 
|  | else | 
|  | rc = pci_enable_device(pdev); | 
|  |  | 
|  | if (rc) { | 
|  | ql_log(ql_log_warn, base_vha, 0x9005, | 
|  | "Can't re-enable PCI device after reset.\n"); | 
|  | goto exit_slot_reset; | 
|  | } | 
|  |  | 
|  | rsp = ha->rsp_q_map[0]; | 
|  | if (qla2x00_request_irqs(ha, rsp)) | 
|  | goto exit_slot_reset; | 
|  |  | 
|  | if (ha->isp_ops->pci_config(base_vha)) | 
|  | goto exit_slot_reset; | 
|  |  | 
|  | if (IS_QLA82XX(ha)) { | 
|  | if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) { | 
|  | ret = PCI_ERS_RESULT_RECOVERED; | 
|  | goto exit_slot_reset; | 
|  | } else | 
|  | goto exit_slot_reset; | 
|  | } | 
|  |  | 
|  | while (ha->flags.mbox_busy && retries--) | 
|  | msleep(1000); | 
|  |  | 
|  | set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | 
|  | if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS) | 
|  | ret =  PCI_ERS_RESULT_RECOVERED; | 
|  | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); | 
|  |  | 
|  |  | 
|  | exit_slot_reset: | 
|  | ql_dbg(ql_dbg_aer, base_vha, 0x900e, | 
|  | "slot_reset return %x.\n", ret); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla2xxx_pci_resume(struct pci_dev *pdev) | 
|  | { | 
|  | scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); | 
|  | struct qla_hw_data *ha = base_vha->hw; | 
|  | int ret; | 
|  |  | 
|  | ql_dbg(ql_dbg_aer, base_vha, 0x900f, | 
|  | "pci_resume.\n"); | 
|  |  | 
|  | ret = qla2x00_wait_for_hba_online(base_vha); | 
|  | if (ret != QLA_SUCCESS) { | 
|  | ql_log(ql_log_fatal, base_vha, 0x9002, | 
|  | "The device failed to resume I/O from slot/link_reset.\n"); | 
|  | } | 
|  |  | 
|  | pci_cleanup_aer_uncorrect_error_status(pdev); | 
|  |  | 
|  | ha->flags.eeh_busy = 0; | 
|  | } | 
|  |  | 
|  | static void | 
|  | qla83xx_disable_laser(scsi_qla_host_t *vha) | 
|  | { | 
|  | uint32_t reg, data, fn; | 
|  | struct qla_hw_data *ha = vha->hw; | 
|  | struct device_reg_24xx __iomem *isp_reg = &ha->iobase->isp24; | 
|  |  | 
|  | /* pci func #/port # */ | 
|  | ql_dbg(ql_dbg_init, vha, 0x004b, | 
|  | "Disabling Laser for hba: %p\n", vha); | 
|  |  | 
|  | fn = (RD_REG_DWORD(&isp_reg->ctrl_status) & | 
|  | (BIT_15|BIT_14|BIT_13|BIT_12)); | 
|  |  | 
|  | fn = (fn >> 12); | 
|  |  | 
|  | if (fn & 1) | 
|  | reg = PORT_1_2031; | 
|  | else | 
|  | reg = PORT_0_2031; | 
|  |  | 
|  | data = LASER_OFF_2031; | 
|  |  | 
|  | qla83xx_wr_reg(vha, reg, data); | 
|  | } | 
|  |  | 
|  | static const struct pci_error_handlers qla2xxx_err_handler = { | 
|  | .error_detected = qla2xxx_pci_error_detected, | 
|  | .mmio_enabled = qla2xxx_pci_mmio_enabled, | 
|  | .slot_reset = qla2xxx_pci_slot_reset, | 
|  | .resume = qla2xxx_pci_resume, | 
|  | }; | 
|  |  | 
|  | static struct pci_device_id qla2xxx_pci_tbl[] = { | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) }, | 
|  | { 0 }, | 
|  | }; | 
|  | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); | 
|  |  | 
|  | static struct pci_driver qla2xxx_pci_driver = { | 
|  | .name		= QLA2XXX_DRIVER_NAME, | 
|  | .driver		= { | 
|  | .owner		= THIS_MODULE, | 
|  | }, | 
|  | .id_table	= qla2xxx_pci_tbl, | 
|  | .probe		= qla2x00_probe_one, | 
|  | .remove		= qla2x00_remove_one, | 
|  | .shutdown	= qla2x00_shutdown, | 
|  | .err_handler	= &qla2xxx_err_handler, | 
|  | }; | 
|  |  | 
|  | static const struct file_operations apidev_fops = { | 
|  | .owner = THIS_MODULE, | 
|  | .llseek = noop_llseek, | 
|  | }; | 
|  |  | 
|  | /** | 
|  | * qla2x00_module_init - Module initialization. | 
|  | **/ | 
|  | static int __init | 
|  | qla2x00_module_init(void) | 
|  | { | 
|  | int ret = 0; | 
|  |  | 
|  | /* Allocate cache for SRBs. */ | 
|  | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, | 
|  | SLAB_HWCACHE_ALIGN, NULL); | 
|  | if (srb_cachep == NULL) { | 
|  | ql_log(ql_log_fatal, NULL, 0x0001, | 
|  | "Unable to allocate SRB cache...Failing load!.\n"); | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | /* Initialize target kmem_cache and mem_pools */ | 
|  | ret = qlt_init(); | 
|  | if (ret < 0) { | 
|  | kmem_cache_destroy(srb_cachep); | 
|  | return ret; | 
|  | } else if (ret > 0) { | 
|  | /* | 
|  | * If initiator mode is explictly disabled by qlt_init(), | 
|  | * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from | 
|  | * performing scsi_scan_target() during LOOP UP event. | 
|  | */ | 
|  | qla2xxx_transport_functions.disable_target_scan = 1; | 
|  | qla2xxx_transport_vport_functions.disable_target_scan = 1; | 
|  | } | 
|  |  | 
|  | /* Derive version string. */ | 
|  | strcpy(qla2x00_version_str, QLA2XXX_VERSION); | 
|  | if (ql2xextended_error_logging) | 
|  | strcat(qla2x00_version_str, "-debug"); | 
|  |  | 
|  | qla2xxx_transport_template = | 
|  | fc_attach_transport(&qla2xxx_transport_functions); | 
|  | if (!qla2xxx_transport_template) { | 
|  | kmem_cache_destroy(srb_cachep); | 
|  | ql_log(ql_log_fatal, NULL, 0x0002, | 
|  | "fc_attach_transport failed...Failing load!.\n"); | 
|  | qlt_exit(); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops); | 
|  | if (apidev_major < 0) { | 
|  | ql_log(ql_log_fatal, NULL, 0x0003, | 
|  | "Unable to register char device %s.\n", QLA2XXX_APIDEV); | 
|  | } | 
|  |  | 
|  | qla2xxx_transport_vport_template = | 
|  | fc_attach_transport(&qla2xxx_transport_vport_functions); | 
|  | if (!qla2xxx_transport_vport_template) { | 
|  | kmem_cache_destroy(srb_cachep); | 
|  | qlt_exit(); | 
|  | fc_release_transport(qla2xxx_transport_template); | 
|  | ql_log(ql_log_fatal, NULL, 0x0004, | 
|  | "fc_attach_transport vport failed...Failing load!.\n"); | 
|  | return -ENODEV; | 
|  | } | 
|  | ql_log(ql_log_info, NULL, 0x0005, | 
|  | "QLogic Fibre Channel HBA Driver: %s.\n", | 
|  | qla2x00_version_str); | 
|  | ret = pci_register_driver(&qla2xxx_pci_driver); | 
|  | if (ret) { | 
|  | kmem_cache_destroy(srb_cachep); | 
|  | qlt_exit(); | 
|  | fc_release_transport(qla2xxx_transport_template); | 
|  | fc_release_transport(qla2xxx_transport_vport_template); | 
|  | ql_log(ql_log_fatal, NULL, 0x0006, | 
|  | "pci_register_driver failed...ret=%d Failing load!.\n", | 
|  | ret); | 
|  | } | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * qla2x00_module_exit - Module cleanup. | 
|  | **/ | 
|  | static void __exit | 
|  | qla2x00_module_exit(void) | 
|  | { | 
|  | unregister_chrdev(apidev_major, QLA2XXX_APIDEV); | 
|  | pci_unregister_driver(&qla2xxx_pci_driver); | 
|  | qla2x00_release_firmware(); | 
|  | kmem_cache_destroy(srb_cachep); | 
|  | qlt_exit(); | 
|  | if (ctx_cachep) | 
|  | kmem_cache_destroy(ctx_cachep); | 
|  | fc_release_transport(qla2xxx_transport_template); | 
|  | fc_release_transport(qla2xxx_transport_vport_template); | 
|  | } | 
|  |  | 
|  | module_init(qla2x00_module_init); | 
|  | module_exit(qla2x00_module_exit); | 
|  |  | 
|  | MODULE_AUTHOR("QLogic Corporation"); | 
|  | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); | 
|  | MODULE_LICENSE("GPL"); | 
|  | MODULE_VERSION(QLA2XXX_VERSION); | 
|  | MODULE_FIRMWARE(FW_FILE_ISP21XX); | 
|  | MODULE_FIRMWARE(FW_FILE_ISP22XX); | 
|  | MODULE_FIRMWARE(FW_FILE_ISP2300); | 
|  | MODULE_FIRMWARE(FW_FILE_ISP2322); | 
|  | MODULE_FIRMWARE(FW_FILE_ISP24XX); | 
|  | MODULE_FIRMWARE(FW_FILE_ISP25XX); | 
|  | MODULE_FIRMWARE(FW_FILE_ISP2031); | 
|  | MODULE_FIRMWARE(FW_FILE_ISP8031); | 
|  | MODULE_FIRMWARE(FW_FILE_ISP27XX); |