| /* |
| * QLogic Fibre Channel HBA Driver |
| * Copyright (c) 2003-2008 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 <scsi/scsi_tcq.h> |
| #include <scsi/scsicam.h> |
| #include <scsi/scsi_transport.h> |
| #include <scsi/scsi_transport_fc.h> |
| |
| /* |
| * Driver version |
| */ |
| char qla2x00_version_str[40]; |
| |
| /* |
| * SRB allocation cache |
| */ |
| static struct kmem_cache *srb_cachep; |
| |
| int ql2xlogintimeout = 20; |
| module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xlogintimeout, |
| "Login timeout value in seconds."); |
| |
| int qlport_down_retry; |
| module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(qlport_down_retry, |
| "Maximum number of command retries to a port that returns " |
| "a PORT-DOWN status."); |
| |
| int ql2xplogiabsentdevice; |
| module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); |
| MODULE_PARM_DESC(ql2xplogiabsentdevice, |
| "Option to enable PLOGI to devices that are not present after " |
| "a Fabric scan. This is needed for several broken switches. " |
| "Default is 0 - no PLOGI. 1 - perfom PLOGI."); |
| |
| int ql2xloginretrycount = 0; |
| module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xloginretrycount, |
| "Specify an alternate value for the NVRAM login retry count."); |
| |
| int ql2xallocfwdump = 1; |
| module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xallocfwdump, |
| "Option to enable allocation of memory for a firmware dump " |
| "during HBA initialization. Memory allocation requirements " |
| "vary by ISP type. Default is 1 - allocate memory."); |
| |
| int ql2xextended_error_logging; |
| module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); |
| MODULE_PARM_DESC(ql2xextended_error_logging, |
| "Option to enable extended error logging, " |
| "Default is 0 - no logging. 1 - log errors."); |
| |
| static void qla2x00_free_device(scsi_qla_host_t *); |
| |
| static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); |
| |
| int ql2xfdmienable=1; |
| module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xfdmienable, |
| "Enables FDMI registratons " |
| "Default is 0 - no FDMI. 1 - perfom FDMI."); |
| |
| #define MAX_Q_DEPTH 32 |
| static int ql2xmaxqdepth = MAX_Q_DEPTH; |
| module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); |
| MODULE_PARM_DESC(ql2xmaxqdepth, |
| "Maximum queue depth to report for target devices."); |
| |
| int ql2xqfullrampup = 120; |
| module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR); |
| MODULE_PARM_DESC(ql2xqfullrampup, |
| "Number of seconds to wait to begin to ramp-up the queue " |
| "depth for a device after a queue-full condition has been " |
| "detected. Default is 120 seconds."); |
| |
| int ql2xiidmaenable=1; |
| module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR); |
| MODULE_PARM_DESC(ql2xiidmaenable, |
| "Enables iIDMA settings " |
| "Default is 1 - perform iIDMA. 0 - no iIDMA."); |
| |
| |
| /* |
| * 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 qla2x00_queuecommand(struct scsi_cmnd *cmd, |
| void (*fn)(struct scsi_cmnd *)); |
| static int qla24xx_queuecommand(struct scsi_cmnd *cmd, |
| void (*fn)(struct scsi_cmnd *)); |
| static int qla2xxx_eh_abort(struct scsi_cmnd *); |
| static int qla2xxx_eh_device_reset(struct scsi_cmnd *); |
| static int qla2xxx_eh_target_reset(struct scsi_cmnd *); |
| static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); |
| static int qla2xxx_eh_host_reset(struct scsi_cmnd *); |
| |
| static int qla2x00_change_queue_depth(struct scsi_device *, int); |
| static int qla2x00_change_queue_type(struct scsi_device *, int); |
| |
| static struct scsi_host_template qla2x00_driver_template = { |
| .module = THIS_MODULE, |
| .name = QLA2XXX_DRIVER_NAME, |
| .queuecommand = qla2x00_queuecommand, |
| |
| .eh_abort_handler = qla2xxx_eh_abort, |
| .eh_device_reset_handler = qla2xxx_eh_device_reset, |
| .eh_target_reset_handler = qla2xxx_eh_target_reset, |
| .eh_bus_reset_handler = qla2xxx_eh_bus_reset, |
| .eh_host_reset_handler = qla2xxx_eh_host_reset, |
| |
| .slave_configure = qla2xxx_slave_configure, |
| |
| .slave_alloc = qla2xxx_slave_alloc, |
| .slave_destroy = qla2xxx_slave_destroy, |
| .scan_finished = qla2xxx_scan_finished, |
| .scan_start = qla2xxx_scan_start, |
| .change_queue_depth = qla2x00_change_queue_depth, |
| .change_queue_type = qla2x00_change_queue_type, |
| .this_id = -1, |
| .cmd_per_lun = 3, |
| .use_clustering = ENABLE_CLUSTERING, |
| .sg_tablesize = SG_ALL, |
| |
| /* |
| * The RISC allows for each command to transfer (2^32-1) bytes of data, |
| * which equates to 0x800000 sectors. |
| */ |
| .max_sectors = 0xFFFF, |
| .shost_attrs = qla2x00_host_attrs, |
| }; |
| |
| struct scsi_host_template qla24xx_driver_template = { |
| .module = THIS_MODULE, |
| .name = QLA2XXX_DRIVER_NAME, |
| .queuecommand = qla24xx_queuecommand, |
| |
| .eh_abort_handler = qla2xxx_eh_abort, |
| .eh_device_reset_handler = qla2xxx_eh_device_reset, |
| .eh_target_reset_handler = qla2xxx_eh_target_reset, |
| .eh_bus_reset_handler = qla2xxx_eh_bus_reset, |
| .eh_host_reset_handler = qla2xxx_eh_host_reset, |
| |
| .slave_configure = qla2xxx_slave_configure, |
| |
| .slave_alloc = qla2xxx_slave_alloc, |
| .slave_destroy = qla2xxx_slave_destroy, |
| .scan_finished = qla2xxx_scan_finished, |
| .scan_start = qla2xxx_scan_start, |
| .change_queue_depth = qla2x00_change_queue_depth, |
| .change_queue_type = qla2x00_change_queue_type, |
| .this_id = -1, |
| .cmd_per_lun = 3, |
| .use_clustering = ENABLE_CLUSTERING, |
| .sg_tablesize = SG_ALL, |
| |
| .max_sectors = 0xFFFF, |
| .shost_attrs = qla2x00_host_attrs, |
| }; |
| |
| static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
| struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; |
| |
| /* TODO Convert to inlines |
| * |
| * Timer routines |
| */ |
| |
| __inline__ void |
| qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) |
| { |
| init_timer(&ha->timer); |
| ha->timer.expires = jiffies + interval * HZ; |
| ha->timer.data = (unsigned long)ha; |
| ha->timer.function = (void (*)(unsigned long))func; |
| add_timer(&ha->timer); |
| ha->timer_active = 1; |
| } |
| |
| static inline void |
| qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) |
| { |
| mod_timer(&ha->timer, jiffies + interval * HZ); |
| } |
| |
| static __inline__ void |
| qla2x00_stop_timer(scsi_qla_host_t *ha) |
| { |
| del_timer_sync(&ha->timer); |
| ha->timer_active = 0; |
| } |
| |
| static int qla2x00_do_dpc(void *data); |
| |
| static void qla2x00_rst_aen(scsi_qla_host_t *); |
| |
| static int qla2x00_mem_alloc(scsi_qla_host_t *); |
| static void qla2x00_mem_free(scsi_qla_host_t *ha); |
| static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
| |
| /* -------------------------------------------------------------------------- */ |
| |
| static char * |
| qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
| { |
| 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 *ha, char *str) |
| { |
| static char *pci_bus_modes[] = { "33", "66", "100", "133", }; |
| uint32_t pci_bus; |
| int pcie_reg; |
| |
| pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); |
| if (pcie_reg) { |
| char lwstr[6]; |
| uint16_t pcie_lstat, lspeed, lwidth; |
| |
| pcie_reg += 0x12; |
| pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); |
| lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); |
| lwidth = (pcie_lstat & |
| (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; |
| |
| strcpy(str, "PCIe ("); |
| if (lspeed == 1) |
| strcat(str, "2.5GT/s "); |
| else if (lspeed == 2) |
| strcat(str, "5.0GT/s "); |
| else |
| strcat(str, "<unknown> "); |
| snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); |
| strcat(str, lwstr); |
| |
| return str; |
| } |
| |
| strcpy(str, "PCI"); |
| pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; |
| if (pci_bus == 0 || pci_bus == 8) { |
| strcat(str, " ("); |
| strcat(str, pci_bus_modes[pci_bus >> 3]); |
| } else { |
| strcat(str, "-X "); |
| if (pci_bus & BIT_2) |
| strcat(str, "Mode 2"); |
| else |
| strcat(str, "Mode 1"); |
| strcat(str, " ("); |
| strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); |
| } |
| strcat(str, " MHz)"); |
| |
| return str; |
| } |
| |
| static char * |
| qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
| { |
| char un_str[10]; |
| |
| sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
| ha->fw_minor_version, |
| ha->fw_subminor_version); |
| |
| if (ha->fw_attributes & BIT_9) { |
| strcat(str, "FLX"); |
| return (str); |
| } |
| |
| switch (ha->fw_attributes & 0xFF) { |
| case 0x7: |
| strcat(str, "EF"); |
| break; |
| case 0x17: |
| strcat(str, "TP"); |
| break; |
| case 0x37: |
| strcat(str, "IP"); |
| break; |
| case 0x77: |
| strcat(str, "VI"); |
| break; |
| default: |
| sprintf(un_str, "(%x)", ha->fw_attributes); |
| strcat(str, un_str); |
| break; |
| } |
| if (ha->fw_attributes & 0x100) |
| strcat(str, "X"); |
| |
| return (str); |
| } |
| |
| static char * |
| qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) |
| { |
| sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
| ha->fw_minor_version, |
| ha->fw_subminor_version); |
| |
| if (ha->fw_attributes & BIT_0) |
| strcat(str, "[Class 2] "); |
| if (ha->fw_attributes & BIT_1) |
| strcat(str, "[IP] "); |
| if (ha->fw_attributes & BIT_2) |
| strcat(str, "[Multi-ID] "); |
| if (ha->fw_attributes & BIT_3) |
| strcat(str, "[SB-2] "); |
| if (ha->fw_attributes & BIT_4) |
| strcat(str, "[T10 CRC] "); |
| if (ha->fw_attributes & BIT_5) |
| strcat(str, "[VI] "); |
| if (ha->fw_attributes & BIT_10) |
| strcat(str, "[84XX] "); |
| if (ha->fw_attributes & BIT_13) |
| strcat(str, "[Experimental]"); |
| return str; |
| } |
| |
| static inline srb_t * |
| qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, |
| struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
| { |
| srb_t *sp; |
| |
| sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); |
| if (!sp) |
| return sp; |
| |
| sp->ha = ha; |
| sp->fcport = fcport; |
| sp->cmd = cmd; |
| sp->flags = 0; |
| CMD_SP(cmd) = (void *)sp; |
| cmd->scsi_done = done; |
| |
| return sp; |
| } |
| |
| static int |
| qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
| { |
| scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
| fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
| srb_t *sp; |
| int rval; |
| |
| if (unlikely(pci_channel_offline(ha->pdev))) { |
| cmd->result = DID_REQUEUE << 16; |
| goto qc_fail_command; |
| } |
| |
| rval = fc_remote_port_chkready(rport); |
| if (rval) { |
| cmd->result = rval; |
| goto qc_fail_command; |
| } |
| |
| /* Close window on fcport/rport state-transitioning. */ |
| if (fcport->drport) |
| goto qc_target_busy; |
| |
| if (atomic_read(&fcport->state) != FCS_ONLINE) { |
| if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || |
| atomic_read(&ha->loop_state) == LOOP_DEAD) { |
| cmd->result = DID_NO_CONNECT << 16; |
| goto qc_fail_command; |
| } |
| goto qc_target_busy; |
| } |
| |
| spin_unlock_irq(ha->host->host_lock); |
| |
| sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
| if (!sp) |
| goto qc_host_busy_lock; |
| |
| rval = qla2x00_start_scsi(sp); |
| if (rval != QLA_SUCCESS) |
| goto qc_host_busy_free_sp; |
| |
| spin_lock_irq(ha->host->host_lock); |
| |
| return 0; |
| |
| qc_host_busy_free_sp: |
| qla2x00_sp_free_dma(ha, sp); |
| mempool_free(sp, ha->srb_mempool); |
| |
| qc_host_busy_lock: |
| spin_lock_irq(ha->host->host_lock); |
| return SCSI_MLQUEUE_HOST_BUSY; |
| |
| qc_target_busy: |
| return SCSI_MLQUEUE_TARGET_BUSY; |
| |
| qc_fail_command: |
| done(cmd); |
| |
| return 0; |
| } |
| |
| |
| static int |
| qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
| { |
| scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
| fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
| srb_t *sp; |
| int rval; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| if (unlikely(pci_channel_offline(pha->pdev))) { |
| cmd->result = DID_REQUEUE << 16; |
| goto qc24_fail_command; |
| } |
| |
| rval = fc_remote_port_chkready(rport); |
| if (rval) { |
| cmd->result = rval; |
| goto qc24_fail_command; |
| } |
| |
| /* Close window on fcport/rport state-transitioning. */ |
| if (fcport->drport) |
| goto qc24_target_busy; |
| |
| if (atomic_read(&fcport->state) != FCS_ONLINE) { |
| if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || |
| atomic_read(&pha->loop_state) == LOOP_DEAD) { |
| cmd->result = DID_NO_CONNECT << 16; |
| goto qc24_fail_command; |
| } |
| goto qc24_target_busy; |
| } |
| |
| spin_unlock_irq(ha->host->host_lock); |
| |
| sp = qla2x00_get_new_sp(pha, fcport, cmd, done); |
| if (!sp) |
| goto qc24_host_busy_lock; |
| |
| rval = qla24xx_start_scsi(sp); |
| if (rval != QLA_SUCCESS) |
| goto qc24_host_busy_free_sp; |
| |
| spin_lock_irq(ha->host->host_lock); |
| |
| return 0; |
| |
| qc24_host_busy_free_sp: |
| qla2x00_sp_free_dma(pha, sp); |
| mempool_free(sp, pha->srb_mempool); |
| |
| qc24_host_busy_lock: |
| spin_lock_irq(ha->host->host_lock); |
| return SCSI_MLQUEUE_HOST_BUSY; |
| |
| qc24_target_busy: |
| return SCSI_MLQUEUE_TARGET_BUSY; |
| |
| qc24_fail_command: |
| done(cmd); |
| |
| return 0; |
| } |
| |
| |
| /* |
| * qla2x00_eh_wait_on_command |
| * Waits for the command to be returned by the Firmware for some |
| * max time. |
| * |
| * Input: |
| * ha = actual ha whose done queue will contain the command |
| * returned by firmware. |
| * cmd = Scsi Command to wait on. |
| * flag = Abort/Reset(Bus or Device Reset) |
| * |
| * Return: |
| * Not Found : 0 |
| * Found : 1 |
| */ |
| static int |
| qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) |
| { |
| #define ABORT_POLLING_PERIOD 1000 |
| #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) |
| unsigned long wait_iter = ABORT_WAIT_ITER; |
| int ret = QLA_SUCCESS; |
| |
| while (CMD_SP(cmd)) { |
| msleep(ABORT_POLLING_PERIOD); |
| |
| if (--wait_iter) |
| break; |
| } |
| 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 *ha) |
| { |
| int return_status; |
| unsigned long wait_online; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
| while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) || |
| test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) || |
| test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) || |
| pha->dpc_active) && time_before(jiffies, wait_online)) { |
| |
| msleep(1000); |
| } |
| if (pha->flags.online) |
| return_status = QLA_SUCCESS; |
| else |
| return_status = QLA_FUNCTION_FAILED; |
| |
| return (return_status); |
| } |
| |
| /* |
| * qla2x00_wait_for_loop_ready |
| * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop |
| * to be in LOOP_READY state. |
| * Input: |
| * ha - pointer to host adapter structure |
| * |
| * Note: |
| * Does context switching-Release SPIN_LOCK |
| * (if any) before calling this routine. |
| * |
| * |
| * Return: |
| * Success (LOOP_READY) : 0 |
| * Failed (LOOP_NOT_READY) : 1 |
| */ |
| static inline int |
| qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
| { |
| int return_status = QLA_SUCCESS; |
| unsigned long loop_timeout ; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| /* wait for 5 min at the max for loop to be ready */ |
| loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
| |
| while ((!atomic_read(&pha->loop_down_timer) && |
| atomic_read(&pha->loop_state) == LOOP_DOWN) || |
| atomic_read(&pha->loop_state) != LOOP_READY) { |
| if (atomic_read(&pha->loop_state) == LOOP_DEAD) { |
| return_status = QLA_FUNCTION_FAILED; |
| break; |
| } |
| msleep(1000); |
| if (time_after_eq(jiffies, loop_timeout)) { |
| return_status = QLA_FUNCTION_FAILED; |
| break; |
| } |
| } |
| return (return_status); |
| } |
| |
| void |
| qla2x00_abort_fcport_cmds(fc_port_t *fcport) |
| { |
| int cnt; |
| unsigned long flags; |
| srb_t *sp; |
| scsi_qla_host_t *ha = fcport->ha; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| spin_lock_irqsave(&pha->hardware_lock, flags); |
| for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
| sp = pha->outstanding_cmds[cnt]; |
| if (!sp) |
| continue; |
| if (sp->fcport != fcport) |
| continue; |
| |
| spin_unlock_irqrestore(&pha->hardware_lock, flags); |
| if (ha->isp_ops->abort_command(ha, sp)) { |
| DEBUG2(qla_printk(KERN_WARNING, ha, |
| "Abort failed -- %lx\n", sp->cmd->serial_number)); |
| } else { |
| if (qla2x00_eh_wait_on_command(ha, sp->cmd) != |
| QLA_SUCCESS) |
| DEBUG2(qla_printk(KERN_WARNING, ha, |
| "Abort failed while waiting -- %lx\n", |
| sp->cmd->serial_number)); |
| |
| } |
| spin_lock_irqsave(&pha->hardware_lock, flags); |
| } |
| spin_unlock_irqrestore(&pha->hardware_lock, flags); |
| } |
| |
| static void |
| qla2x00_block_error_handler(struct scsi_cmnd *cmnd) |
| { |
| struct Scsi_Host *shost = cmnd->device->host; |
| struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); |
| unsigned long flags; |
| |
| spin_lock_irqsave(shost->host_lock, flags); |
| while (rport->port_state == FC_PORTSTATE_BLOCKED) { |
| spin_unlock_irqrestore(shost->host_lock, flags); |
| msleep(1000); |
| spin_lock_irqsave(shost->host_lock, flags); |
| } |
| spin_unlock_irqrestore(shost->host_lock, flags); |
| return; |
| } |
| |
| /************************************************************************** |
| * 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 *ha = shost_priv(cmd->device->host); |
| srb_t *sp; |
| int ret, i; |
| unsigned int id, lun; |
| unsigned long serial; |
| unsigned long flags; |
| int wait = 0; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| qla2x00_block_error_handler(cmd); |
| |
| if (!CMD_SP(cmd)) |
| return SUCCESS; |
| |
| ret = SUCCESS; |
| |
| id = cmd->device->id; |
| lun = cmd->device->lun; |
| serial = cmd->serial_number; |
| |
| /* Check active list for command command. */ |
| spin_lock_irqsave(&pha->hardware_lock, flags); |
| for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
| sp = pha->outstanding_cmds[i]; |
| |
| if (sp == NULL) |
| continue; |
| |
| if (sp->cmd != cmd) |
| continue; |
| |
| DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n", |
| __func__, ha->host_no, sp, serial)); |
| |
| spin_unlock_irqrestore(&pha->hardware_lock, flags); |
| if (ha->isp_ops->abort_command(ha, sp)) { |
| DEBUG2(printk("%s(%ld): abort_command " |
| "mbx failed.\n", __func__, ha->host_no)); |
| } else { |
| DEBUG3(printk("%s(%ld): abort_command " |
| "mbx success.\n", __func__, ha->host_no)); |
| wait = 1; |
| } |
| spin_lock_irqsave(&pha->hardware_lock, flags); |
| |
| break; |
| } |
| spin_unlock_irqrestore(&pha->hardware_lock, flags); |
| |
| /* Wait for the command to be returned. */ |
| if (wait) { |
| if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
| qla_printk(KERN_ERR, ha, |
| "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
| "%x.\n", ha->host_no, id, lun, serial, ret); |
| ret = FAILED; |
| } |
| } |
| |
| qla_printk(KERN_INFO, ha, |
| "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", |
| ha->host_no, id, lun, wait, serial, ret); |
| |
| return ret; |
| } |
| |
| enum nexus_wait_type { |
| WAIT_HOST = 0, |
| WAIT_TARGET, |
| WAIT_LUN, |
| }; |
| |
| static int |
| qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t, |
| unsigned int l, enum nexus_wait_type type) |
| { |
| int cnt, match, status; |
| srb_t *sp; |
| unsigned long flags; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| status = QLA_SUCCESS; |
| spin_lock_irqsave(&pha->hardware_lock, flags); |
| for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS; |
| cnt++) { |
| sp = pha->outstanding_cmds[cnt]; |
| if (!sp) |
| continue; |
| |
| if (ha->vp_idx != sp->fcport->ha->vp_idx) |
| continue; |
| match = 0; |
| switch (type) { |
| case WAIT_HOST: |
| match = 1; |
| break; |
| case WAIT_TARGET: |
| match = sp->cmd->device->id == t; |
| break; |
| case WAIT_LUN: |
| match = (sp->cmd->device->id == t && |
| sp->cmd->device->lun == l); |
| break; |
| } |
| if (!match) |
| continue; |
| |
| spin_unlock_irqrestore(&pha->hardware_lock, flags); |
| status = qla2x00_eh_wait_on_command(ha, sp->cmd); |
| spin_lock_irqsave(&pha->hardware_lock, flags); |
| } |
| spin_unlock_irqrestore(&pha->hardware_lock, flags); |
| |
| return status; |
| } |
| |
| static char *reset_errors[] = { |
| "HBA not online", |
| "HBA not ready", |
| "Task management failed", |
| "Waiting for command completions", |
| }; |
| |
| static int |
| __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, |
| struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int)) |
| { |
| scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
| fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| int err; |
| |
| qla2x00_block_error_handler(cmd); |
| |
| if (!fcport) |
| return FAILED; |
| |
| qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n", |
| ha->host_no, cmd->device->id, cmd->device->lun, name); |
| |
| err = 0; |
| if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
| goto eh_reset_failed; |
| err = 1; |
| if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS) |
| goto eh_reset_failed; |
| err = 2; |
| if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS) |
| goto eh_reset_failed; |
| err = 3; |
| if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id, |
| cmd->device->lun, type) != QLA_SUCCESS) |
| goto eh_reset_failed; |
| |
| qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n", |
| ha->host_no, cmd->device->id, cmd->device->lun, name); |
| |
| return SUCCESS; |
| |
| eh_reset_failed: |
| qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n", |
| ha->host_no, cmd->device->id, cmd->device->lun, name, |
| reset_errors[err]); |
| return FAILED; |
| } |
| |
| static int |
| qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) |
| { |
| scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
| |
| 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 *ha = shost_priv(cmd->device->host); |
| |
| 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 *ha = shost_priv(cmd->device->host); |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| int ret = FAILED; |
| unsigned int id, lun; |
| unsigned long serial; |
| |
| qla2x00_block_error_handler(cmd); |
| |
| id = cmd->device->id; |
| lun = cmd->device->lun; |
| serial = cmd->serial_number; |
| |
| if (!fcport) |
| return ret; |
| |
| qla_printk(KERN_INFO, ha, |
| "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
| |
| if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
| DEBUG2(printk("%s failed:board disabled\n",__func__)); |
| goto eh_bus_reset_done; |
| } |
| |
| if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { |
| if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
| ret = SUCCESS; |
| } |
| if (ret == FAILED) |
| goto eh_bus_reset_done; |
| |
| /* Flush outstanding commands. */ |
| if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) != |
| QLA_SUCCESS) |
| ret = FAILED; |
| |
| eh_bus_reset_done: |
| qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
| (ret == FAILED) ? "failed" : "succeded"); |
| |
| return ret; |
| } |
| |
| /************************************************************************** |
| * qla2xxx_eh_host_reset |
| * |
| * Description: |
| * The reset function will reset the Adapter. |
| * |
| * Input: |
| * cmd = Linux SCSI command packet of the command that cause the |
| * adapter reset. |
| * |
| * Returns: |
| * Either SUCCESS or FAILED. |
| * |
| * Note: |
| **************************************************************************/ |
| static int |
| qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) |
| { |
| scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
| fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| int ret = FAILED; |
| unsigned int id, lun; |
| unsigned long serial; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| qla2x00_block_error_handler(cmd); |
| |
| id = cmd->device->id; |
| lun = cmd->device->lun; |
| serial = cmd->serial_number; |
| |
| if (!fcport) |
| return ret; |
| |
| qla_printk(KERN_INFO, ha, |
| "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
| |
| if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
| goto eh_host_reset_lock; |
| |
| /* |
| * Fixme-may be dpc thread is active and processing |
| * loop_resync,so wait a while for it to |
| * be completed and then issue big hammer.Otherwise |
| * it may cause I/O failure as big hammer marks the |
| * devices as lost kicking of the port_down_timer |
| * while dpc is stuck for the mailbox to complete. |
| */ |
| qla2x00_wait_for_loop_ready(ha); |
| set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
| if (qla2x00_abort_isp(pha)) { |
| clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
| /* failed. schedule dpc to try */ |
| set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags); |
| |
| if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
| goto eh_host_reset_lock; |
| } |
| clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
| |
| /* Waiting for our command in done_queue to be returned to OS.*/ |
| if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) == |
| QLA_SUCCESS) |
| ret = SUCCESS; |
| |
| if (ha->parent) |
| qla2x00_vp_abort_isp(ha); |
| |
| eh_host_reset_lock: |
| qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
| (ret == FAILED) ? "failed" : "succeded"); |
| |
| return ret; |
| } |
| |
| /* |
| * qla2x00_loop_reset |
| * Issue loop reset. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * |
| * Returns: |
| * 0 = success |
| */ |
| int |
| qla2x00_loop_reset(scsi_qla_host_t *ha) |
| { |
| int ret; |
| struct fc_port *fcport; |
| |
| if (ha->flags.enable_lip_full_login) { |
| ret = qla2x00_full_login_lip(ha); |
| if (ret != QLA_SUCCESS) { |
| DEBUG2_3(printk("%s(%ld): bus_reset failed: " |
| "full_login_lip=%d.\n", __func__, ha->host_no, |
| ret)); |
| } |
| atomic_set(&ha->loop_state, LOOP_DOWN); |
| atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); |
| qla2x00_mark_all_devices_lost(ha, 0); |
| qla2x00_wait_for_loop_ready(ha); |
| } |
| |
| if (ha->flags.enable_lip_reset) { |
| ret = qla2x00_lip_reset(ha); |
| if (ret != QLA_SUCCESS) { |
| DEBUG2_3(printk("%s(%ld): bus_reset failed: " |
| "lip_reset=%d.\n", __func__, ha->host_no, ret)); |
| } |
| qla2x00_wait_for_loop_ready(ha); |
| } |
| |
| if (ha->flags.enable_target_reset) { |
| list_for_each_entry(fcport, &ha->fcports, list) { |
| if (fcport->port_type != FCT_TARGET) |
| continue; |
| |
| ret = ha->isp_ops->target_reset(fcport, 0); |
| if (ret != QLA_SUCCESS) { |
| DEBUG2_3(printk("%s(%ld): bus_reset failed: " |
| "target_reset=%d d_id=%x.\n", __func__, |
| ha->host_no, ret, fcport->d_id.b24)); |
| } |
| } |
| } |
| |
| /* Issue marker command only when we are going to start the I/O */ |
| ha->marker_needed = 1; |
| |
| return QLA_SUCCESS; |
| } |
| |
| void |
| qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res) |
| { |
| int cnt; |
| unsigned long flags; |
| srb_t *sp; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
| sp = ha->outstanding_cmds[cnt]; |
| if (sp) { |
| ha->outstanding_cmds[cnt] = NULL; |
| sp->cmd->result = res; |
| qla2x00_sp_compl(ha, sp); |
| } |
| } |
| 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 *ha = shost_priv(sdev->host); |
| struct fc_rport *rport = starget_to_rport(sdev->sdev_target); |
| |
| if (sdev->tagged_supported) |
| scsi_activate_tcq(sdev, ha->max_q_depth); |
| else |
| scsi_deactivate_tcq(sdev, ha->max_q_depth); |
| |
| rport->dev_loss_tmo = ha->port_down_retry_count; |
| |
| return 0; |
| } |
| |
| static void |
| qla2xxx_slave_destroy(struct scsi_device *sdev) |
| { |
| sdev->hostdata = NULL; |
| } |
| |
| static int |
| qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) |
| { |
| scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
| return sdev->queue_depth; |
| } |
| |
| static int |
| qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) |
| { |
| if (sdev->tagged_supported) { |
| scsi_set_tag_type(sdev, tag_type); |
| if (tag_type) |
| scsi_activate_tcq(sdev, sdev->queue_depth); |
| else |
| scsi_deactivate_tcq(sdev, sdev->queue_depth); |
| } else |
| tag_type = 0; |
| |
| return tag_type; |
| } |
| |
| /** |
| * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. |
| * @ha: HA context |
| * |
| * At exit, the @ha's flags.enable_64bit_addressing set to indicated |
| * supported addressing method. |
| */ |
| static void |
| qla2x00_config_dma_addressing(scsi_qla_host_t *ha) |
| { |
| /* Assume a 32bit DMA mask. */ |
| ha->flags.enable_64bit_addressing = 0; |
| |
| if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
| /* Any upper-dword bits set? */ |
| if (MSD(dma_get_required_mask(&ha->pdev->dev)) && |
| !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { |
| /* 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_32BIT_MASK); |
| pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); |
| } |
| |
| static void |
| qla2x00_enable_intrs(scsi_qla_host_t *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(scsi_qla_host_t *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(scsi_qla_host_t *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(scsi_qla_host_t *ha) |
| { |
| unsigned long flags = 0; |
| struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| ha->interrupts_on = 0; |
| WRT_REG_DWORD(®->ictrl, 0); |
| RD_REG_DWORD(®->ictrl); |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| } |
| |
| static struct isp_operations qla2100_isp_ops = { |
| .pci_config = qla2100_pci_config, |
| .reset_chip = qla2x00_reset_chip, |
| .chip_diag = qla2x00_chip_diag, |
| .config_rings = qla2x00_config_rings, |
| .reset_adapter = qla2x00_reset_adapter, |
| .nvram_config = qla2x00_nvram_config, |
| .update_fw_options = qla2x00_update_fw_options, |
| .load_risc = qla2x00_load_risc, |
| .pci_info_str = qla2x00_pci_info_str, |
| .fw_version_str = qla2x00_fw_version_str, |
| .intr_handler = qla2100_intr_handler, |
| .enable_intrs = qla2x00_enable_intrs, |
| .disable_intrs = qla2x00_disable_intrs, |
| .abort_command = qla2x00_abort_command, |
| .target_reset = qla2x00_abort_target, |
| .lun_reset = qla2x00_lun_reset, |
| .fabric_login = qla2x00_login_fabric, |
| .fabric_logout = qla2x00_fabric_logout, |
| .calc_req_entries = qla2x00_calc_iocbs_32, |
| .build_iocbs = qla2x00_build_scsi_iocbs_32, |
| .prep_ms_iocb = qla2x00_prep_ms_iocb, |
| .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, |
| .read_nvram = qla2x00_read_nvram_data, |
| .write_nvram = qla2x00_write_nvram_data, |
| .fw_dump = qla2100_fw_dump, |
| .beacon_on = NULL, |
| .beacon_off = NULL, |
| .beacon_blink = NULL, |
| .read_optrom = qla2x00_read_optrom_data, |
| .write_optrom = qla2x00_write_optrom_data, |
| .get_flash_version = qla2x00_get_flash_version, |
| }; |
| |
| 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, |
| }; |
| |
| 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, |
| }; |
| |
| 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, |
| }; |
| |
| static inline void |
| qla2x00_set_isp_flags(scsi_qla_host_t *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; |
| } |
| } |
| |
| static int |
| qla2x00_iospace_config(scsi_qla_host_t *ha) |
| { |
| resource_size_t pio; |
| |
| if (pci_request_selected_regions(ha->pdev, ha->bars, |
| QLA2XXX_DRIVER_NAME)) { |
| qla_printk(KERN_WARNING, ha, |
| "Failed to reserve PIO/MMIO regions (%s)\n", |
| pci_name(ha->pdev)); |
| |
| goto iospace_error_exit; |
| } |
| if (!(ha->bars & 1)) |
| goto skip_pio; |
| |
| /* We only need PIO for Flash operations on ISP2312 v2 chips. */ |
| pio = pci_resource_start(ha->pdev, 0); |
| if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { |
| if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { |
| qla_printk(KERN_WARNING, ha, |
| "Invalid PCI I/O region size (%s)...\n", |
| pci_name(ha->pdev)); |
| pio = 0; |
| } |
| } else { |
| qla_printk(KERN_WARNING, ha, |
| "region #0 not a PIO resource (%s)...\n", |
| pci_name(ha->pdev)); |
| pio = 0; |
| } |
| ha->pio_address = pio; |
| |
| skip_pio: |
| /* Use MMIO operations for all accesses. */ |
| if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { |
| qla_printk(KERN_ERR, ha, |
| "region #1 not an MMIO resource (%s), aborting\n", |
| pci_name(ha->pdev)); |
| goto iospace_error_exit; |
| } |
| if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { |
| qla_printk(KERN_ERR, ha, |
| "Invalid PCI mem region size (%s), aborting\n", |
| pci_name(ha->pdev)); |
| goto iospace_error_exit; |
| } |
| |
| ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); |
| if (!ha->iobase) { |
| qla_printk(KERN_ERR, ha, |
| "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); |
| |
| goto iospace_error_exit; |
| } |
| |
| return (0); |
| |
| iospace_error_exit: |
| return (-ENOMEM); |
| } |
| |
| static void |
| qla2xxx_scan_start(struct Scsi_Host *shost) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| |
| set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
| set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); |
| set_bit(RSCN_UPDATE, &ha->dpc_flags); |
| set_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags); |
| } |
| |
| static int |
| qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) |
| { |
| scsi_qla_host_t *ha = shost_priv(shost); |
| |
| if (!ha->host) |
| return 1; |
| if (time > ha->loop_reset_delay * HZ) |
| return 1; |
| |
| return atomic_read(&ha->loop_state) == LOOP_READY; |
| } |
| |
| /* |
| * PCI driver interface |
| */ |
| static int __devinit |
| qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) |
| { |
| int ret = -ENODEV; |
| struct Scsi_Host *host; |
| scsi_qla_host_t *ha; |
| char pci_info[30]; |
| char fw_str[30]; |
| struct scsi_host_template *sht; |
| int bars, mem_only = 0; |
| |
| bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); |
| sht = &qla2x00_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) { |
| bars = pci_select_bars(pdev, IORESOURCE_MEM); |
| sht = &qla24xx_driver_template; |
| mem_only = 1; |
| } |
| |
| if (mem_only) { |
| if (pci_enable_device_mem(pdev)) |
| goto probe_out; |
| } else { |
| if (pci_enable_device(pdev)) |
| goto probe_out; |
| } |
| |
| if (pci_find_aer_capability(pdev)) |
| if (pci_enable_pcie_error_reporting(pdev)) |
| goto probe_out; |
| |
| host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); |
| if (host == NULL) { |
| printk(KERN_WARNING |
| "qla2xxx: Couldn't allocate host from scsi layer!\n"); |
| goto probe_disable_device; |
| } |
| |
| /* Clear our data area */ |
| ha = shost_priv(host); |
| memset(ha, 0, sizeof(scsi_qla_host_t)); |
| |
| ha->pdev = pdev; |
| ha->host = host; |
| ha->host_no = host->host_no; |
| sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no); |
| ha->parent = NULL; |
| ha->bars = bars; |
| ha->mem_only = mem_only; |
| spin_lock_init(&ha->hardware_lock); |
| |
| /* Set ISP-type information. */ |
| qla2x00_set_isp_flags(ha); |
| |
| /* Configure PCI I/O space */ |
| ret = qla2x00_iospace_config(ha); |
| if (ret) |
| goto probe_failed; |
| |
| qla_printk(KERN_INFO, ha, |
| "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
| ha->iobase); |
| |
| ha->prev_topology = 0; |
| ha->init_cb_size = sizeof(init_cb_t); |
| ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx; |
| ha->link_data_rate = PORT_SPEED_UNKNOWN; |
| ha->optrom_size = OPTROM_SIZE_2300; |
| |
| ha->max_q_depth = MAX_Q_DEPTH; |
| if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) |
| ha->max_q_depth = ql2xmaxqdepth; |
| |
| /* Assign ISP specific operations. */ |
| if (IS_QLA2100(ha)) { |
| host->max_id = MAX_TARGETS_2100; |
| ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
| ha->request_q_length = REQUEST_ENTRY_CNT_2100; |
| ha->response_q_length = RESPONSE_ENTRY_CNT_2100; |
| ha->last_loop_id = SNS_LAST_LOOP_ID_2100; |
| host->sg_tablesize = 32; |
| ha->gid_list_info_size = 4; |
| ha->isp_ops = &qla2100_isp_ops; |
| } else if (IS_QLA2200(ha)) { |
| host->max_id = MAX_TARGETS_2200; |
| ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| ha->request_q_length = REQUEST_ENTRY_CNT_2200; |
| ha->response_q_length = RESPONSE_ENTRY_CNT_2100; |
| ha->last_loop_id = SNS_LAST_LOOP_ID_2100; |
| ha->gid_list_info_size = 4; |
| ha->isp_ops = &qla2100_isp_ops; |
| } else if (IS_QLA23XX(ha)) { |
| host->max_id = MAX_TARGETS_2200; |
| ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| ha->request_q_length = REQUEST_ENTRY_CNT_2200; |
| ha->response_q_length = RESPONSE_ENTRY_CNT_2300; |
| ha->last_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->isp_ops = &qla2300_isp_ops; |
| } else if (IS_QLA24XX_TYPE(ha)) { |
| host->max_id = MAX_TARGETS_2200; |
| ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| ha->request_q_length = REQUEST_ENTRY_CNT_24XX; |
| ha->response_q_length = RESPONSE_ENTRY_CNT_2300; |
| ha->last_loop_id = SNS_LAST_LOOP_ID_2300; |
| ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
| ha->mgmt_svr_loop_id = 10 + ha->vp_idx; |
| ha->gid_list_info_size = 8; |
| ha->optrom_size = OPTROM_SIZE_24XX; |
| ha->isp_ops = &qla24xx_isp_ops; |
| } else if (IS_QLA25XX(ha)) { |
| host->max_id = MAX_TARGETS_2200; |
| ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| ha->request_q_length = REQUEST_ENTRY_CNT_24XX; |
| ha->response_q_length = RESPONSE_ENTRY_CNT_2300; |
| ha->last_loop_id = SNS_LAST_LOOP_ID_2300; |
| ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
| ha->mgmt_svr_loop_id = 10 + ha->vp_idx; |
| ha->gid_list_info_size = 8; |
| ha->optrom_size = OPTROM_SIZE_25XX; |
| ha->isp_ops = &qla25xx_isp_ops; |
| } |
| host->can_queue = ha->request_q_length + 128; |
| |
| mutex_init(&ha->vport_lock); |
| init_completion(&ha->mbx_cmd_comp); |
| complete(&ha->mbx_cmd_comp); |
| init_completion(&ha->mbx_intr_comp); |
| |
| INIT_LIST_HEAD(&ha->list); |
| INIT_LIST_HEAD(&ha->fcports); |
| INIT_LIST_HEAD(&ha->vp_list); |
| INIT_LIST_HEAD(&ha->work_list); |
| |
| set_bit(0, (unsigned long *) ha->vp_idx_map); |
| |
| qla2x00_config_dma_addressing(ha); |
| if (qla2x00_mem_alloc(ha)) { |
| qla_printk(KERN_WARNING, ha, |
| "[ERROR] Failed to allocate memory for adapter\n"); |
| |
| ret = -ENOMEM; |
| goto probe_failed; |
| } |
| |
| if (qla2x00_initialize_adapter(ha)) { |
| qla_printk(KERN_WARNING, ha, |
| "Failed to initialize adapter\n"); |
| |
| DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " |
| "Adapter flags %x.\n", |
| ha->host_no, ha->device_flags)); |
| |
| ret = -ENODEV; |
| goto probe_failed; |
| } |
| |
| /* |
| * Startup the kernel thread for this host adapter |
| */ |
| ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, |
| "%s_dpc", ha->host_str); |
| if (IS_ERR(ha->dpc_thread)) { |
| qla_printk(KERN_WARNING, ha, |
| "Unable to start DPC thread!\n"); |
| ret = PTR_ERR(ha->dpc_thread); |
| goto probe_failed; |
| } |
| |
| host->this_id = 255; |
| host->cmd_per_lun = 3; |
| host->unique_id = host->host_no; |
| host->max_cmd_len = MAX_CMDSZ; |
| host->max_channel = MAX_BUSES - 1; |
| host->max_lun = MAX_LUNS; |
| host->transportt = qla2xxx_transport_template; |
| |
| ret = qla2x00_request_irqs(ha); |
| if (ret) |
| goto probe_failed; |
| |
| /* Initialized the timer */ |
| qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); |
| |
| DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", |
| ha->host_no, ha)); |
| |
| pci_set_drvdata(pdev, ha); |
| |
| ha->flags.init_done = 1; |
| ha->flags.online = 1; |
| |
| ret = scsi_add_host(host, &pdev->dev); |
| if (ret) |
| goto probe_failed; |
| |
| ha->isp_ops->enable_intrs(ha); |
| |
| scsi_scan_host(host); |
| |
| qla2x00_alloc_sysfs_attr(ha); |
| |
| qla2x00_init_host_attr(ha); |
| |
| qla2x00_dfs_setup(ha); |
| |
| qla_printk(KERN_INFO, ha, "\n" |
| " QLogic Fibre Channel HBA Driver: %s\n" |
| " QLogic %s - %s\n" |
| " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
| qla2x00_version_str, ha->model_number, |
| ha->model_desc ? ha->model_desc: "", pdev->device, |
| ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev), |
| ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, |
| ha->isp_ops->fw_version_str(ha, fw_str)); |
| |
| return 0; |
| |
| probe_failed: |
| qla2x00_free_device(ha); |
| |
| scsi_host_put(host); |
| |
| probe_disable_device: |
| pci_disable_device(pdev); |
| |
| probe_out: |
| return ret; |
| } |
| |
| static void |
| qla2x00_remove_one(struct pci_dev *pdev) |
| { |
| scsi_qla_host_t *ha, *vha, *temp; |
| |
| ha = pci_get_drvdata(pdev); |
| |
| list_for_each_entry_safe(vha, temp, &ha->vp_list, vp_list) |
| fc_vport_terminate(vha->fc_vport); |
| |
| set_bit(UNLOADING, &ha->dpc_flags); |
| |
| qla2x00_dfs_remove(ha); |
| |
| qla84xx_put_chip(ha); |
| |
| qla2x00_free_sysfs_attr(ha); |
| |
| fc_remove_host(ha->host); |
| |
| scsi_remove_host(ha->host); |
| |
| qla2x00_free_device(ha); |
| |
| scsi_host_put(ha->host); |
| |
| pci_disable_device(pdev); |
| pci_set_drvdata(pdev, NULL); |
| } |
| |
| static void |
| qla2x00_free_device(scsi_qla_host_t *ha) |
| { |
| qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16); |
| |
| /* Disable timer */ |
| if (ha->timer_active) |
| qla2x00_stop_timer(ha); |
| |
| ha->flags.online = 0; |
| |
| /* 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); |
| } |
| |
| if (ha->flags.fce_enabled) |
| qla2x00_disable_fce_trace(ha, NULL, NULL); |
| |
| if (ha->eft) |
| qla2x00_disable_eft_trace(ha); |
| |
| /* Stop currently executing firmware. */ |
| qla2x00_try_to_stop_firmware(ha); |
| |
| /* turn-off interrupts on the card */ |
| if (ha->interrupts_on) |
| ha->isp_ops->disable_intrs(ha); |
| |
| qla2x00_mem_free(ha); |
| |
| qla2x00_free_irqs(ha); |
| |
| /* release io space registers */ |
| if (ha->iobase) |
| iounmap(ha->iobase); |
| pci_release_selected_regions(ha->pdev, ha->bars); |
| } |
| |
| static inline void |
| qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, |
| int defer) |
| { |
| struct fc_rport *rport; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| if (!fcport->rport) |
| return; |
| |
| rport = fcport->rport; |
| if (defer) { |
| spin_lock_irq(ha->host->host_lock); |
| fcport->drport = rport; |
| spin_unlock_irq(ha->host->host_lock); |
| set_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags); |
| qla2xxx_wake_dpc(pha); |
| } else |
| fc_remote_port_delete(rport); |
| } |
| |
| /* |
| * qla2x00_mark_device_lost Updates fcport state when device goes offline. |
| * |
| * Input: ha = adapter block pointer. fcport = port structure pointer. |
| * |
| * Return: None. |
| * |
| * Context: |
| */ |
| void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, |
| int do_login, int defer) |
| { |
| if (atomic_read(&fcport->state) == FCS_ONLINE && |
| ha->vp_idx == fcport->vp_idx) |
| qla2x00_schedule_rport_del(ha, fcport, defer); |
| |
| /* |
| * We may need to retry the login, so don't change the state of the |
| * port but do the retries. |
| */ |
| if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) |
| atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| |
| if (!do_login) |
| return; |
| |
| if (fcport->login_retry == 0) { |
| fcport->login_retry = ha->login_retry_count; |
| set_bit(RELOGIN_NEEDED, &ha->dpc_flags); |
| |
| DEBUG(printk("scsi(%ld): Port login retry: " |
| "%02x%02x%02x%02x%02x%02x%02x%02x, " |
| "id = 0x%04x retry cnt=%d\n", |
| ha->host_no, |
| fcport->port_name[0], |
| fcport->port_name[1], |
| fcport->port_name[2], |
| fcport->port_name[3], |
| fcport->port_name[4], |
| fcport->port_name[5], |
| fcport->port_name[6], |
| fcport->port_name[7], |
| fcport->loop_id, |
| fcport->login_retry)); |
| } |
| } |
| |
| /* |
| * qla2x00_mark_all_devices_lost |
| * Updates fcport state when device goes offline. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| * fcport = port structure pointer. |
| * |
| * Return: |
| * None. |
| * |
| * Context: |
| */ |
| void |
| qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) |
| { |
| fc_port_t *fcport; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| list_for_each_entry(fcport, &pha->fcports, list) { |
| if (ha->vp_idx != fcport->vp_idx) |
| continue; |
| /* |
| * No point in marking the device as lost, if the device is |
| * already DEAD. |
| */ |
| if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) |
| continue; |
| if (atomic_read(&fcport->state) == FCS_ONLINE) |
| qla2x00_schedule_rport_del(ha, fcport, defer); |
| atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| } |
| } |
| |
| /* |
| * qla2x00_mem_alloc |
| * Allocates adapter memory. |
| * |
| * Returns: |
| * 0 = success. |
| * !0 = failure. |
| */ |
| static int |
| qla2x00_mem_alloc(scsi_qla_host_t *ha) |
| { |
| char name[16]; |
| |
| ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, |
| (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma, |
| GFP_KERNEL); |
| if (!ha->request_ring) |
| goto fail; |
| |
| ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, |
| (ha->response_q_length + 1) * sizeof(response_t), |
| &ha->response_dma, GFP_KERNEL); |
| if (!ha->response_ring) |
| goto fail_free_request_ring; |
| |
| ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, |
| &ha->gid_list_dma, GFP_KERNEL); |
| if (!ha->gid_list) |
| goto fail_free_response_ring; |
| |
| 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_free_gid_list; |
| |
| snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME, |
| ha->host_no); |
| ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, |
| DMA_POOL_SIZE, 8, 0); |
| if (!ha->s_dma_pool) |
| goto fail_free_init_cb; |
| |
| ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); |
| if (!ha->srb_mempool) |
| goto fail_free_s_dma_pool; |
| |
| /* Get memory for cached NVRAM */ |
| ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); |
| if (!ha->nvram) |
| goto fail_free_srb_mempool; |
| |
| /* 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_free_nvram; |
| } 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_free_nvram; |
| |
| /* 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; |
| } |
| |
| return 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_free_nvram: |
| kfree(ha->nvram); |
| ha->nvram = NULL; |
| fail_free_srb_mempool: |
| mempool_destroy(ha->srb_mempool); |
| ha->srb_mempool = NULL; |
| fail_free_s_dma_pool: |
| dma_pool_destroy(ha->s_dma_pool); |
| ha->s_dma_pool = NULL; |
| 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_free_gid_list: |
| dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, |
| ha->gid_list_dma); |
| ha->gid_list = NULL; |
| ha->gid_list_dma = 0; |
| fail_free_response_ring: |
| dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) * |
| sizeof(response_t), ha->response_ring, ha->response_dma); |
| ha->response_ring = NULL; |
| ha->response_dma = 0; |
| fail_free_request_ring: |
| dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) * |
| sizeof(request_t), ha->request_ring, ha->request_dma); |
| ha->request_ring = NULL; |
| ha->request_dma = 0; |
| fail: |
| return -ENOMEM; |
| } |
| |
| /* |
| * qla2x00_mem_free |
| * Frees all adapter allocated memory. |
| * |
| * Input: |
| * ha = adapter block pointer. |
| */ |
| static void |
| qla2x00_mem_free(scsi_qla_host_t *ha) |
| { |
| struct list_head *fcpl, *fcptemp; |
| fc_port_t *fcport; |
| |
| if (ha->srb_mempool) |
| mempool_destroy(ha->srb_mempool); |
| |
| if (ha->fce) |
| dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce, |
| ha->fce_dma); |
| |
| if (ha->fw_dump) { |
| if (ha->eft) |
| dma_free_coherent(&ha->pdev->dev, |
| ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); |
| vfree(ha->fw_dump); |
| } |
| |
| if (ha->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->s_dma_pool) |
| dma_pool_destroy(ha->s_dma_pool); |
| |
| if (ha->init_cb) |
| dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, |
| ha->init_cb, ha->init_cb_dma); |
| |
| if (ha->gid_list) |
| dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, |
| ha->gid_list_dma); |
| |
| if (ha->response_ring) |
| dma_free_coherent(&ha->pdev->dev, |
| (ha->response_q_length + 1) * sizeof(response_t), |
| ha->response_ring, ha->response_dma); |
| |
| if (ha->request_ring) |
| dma_free_coherent(&ha->pdev->dev, |
| (ha->request_q_length + 1) * sizeof(request_t), |
| ha->request_ring, ha->request_dma); |
| |
| ha->srb_mempool = NULL; |
| ha->eft = NULL; |
| ha->eft_dma = 0; |
| ha->sns_cmd = NULL; |
| ha->sns_cmd_dma = 0; |
| ha->ct_sns = NULL; |
| ha->ct_sns_dma = 0; |
| ha->ms_iocb = NULL; |
| ha->ms_iocb_dma = 0; |
| ha->init_cb = NULL; |
| ha->init_cb_dma = 0; |
| |
| ha->s_dma_pool = NULL; |
| |
| ha->gid_list = NULL; |
| ha->gid_list_dma = 0; |
| |
| ha->response_ring = NULL; |
| ha->response_dma = 0; |
| ha->request_ring = NULL; |
| ha->request_dma = 0; |
| |
| list_for_each_safe(fcpl, fcptemp, &ha->fcports) { |
| fcport = list_entry(fcpl, fc_port_t, list); |
| |
| /* fc ports */ |
| list_del_init(&fcport->list); |
| kfree(fcport); |
| } |
| INIT_LIST_HEAD(&ha->fcports); |
| |
| ha->fw_dump = NULL; |
| ha->fw_dumped = 0; |
| ha->fw_dump_reading = 0; |
| |
| vfree(ha->optrom_buffer); |
| kfree(ha->nvram); |
| } |
| |
| static struct qla_work_evt * |
| qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type, |
| int locked) |
| { |
| struct qla_work_evt *e; |
| |
| e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC: |
| GFP_KERNEL); |
| if (!e) |
| return NULL; |
| |
| INIT_LIST_HEAD(&e->list); |
| e->type = type; |
| e->flags = QLA_EVT_FLAG_FREE; |
| return e; |
| } |
| |
| static int |
| qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked) |
| { |
| unsigned long uninitialized_var(flags); |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| if (!locked) |
| spin_lock_irqsave(&pha->hardware_lock, flags); |
| list_add_tail(&e->list, &ha->work_list); |
| qla2xxx_wake_dpc(ha); |
| if (!locked) |
| spin_unlock_irqrestore(&pha->hardware_lock, flags); |
| return QLA_SUCCESS; |
| } |
| |
| int |
| qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code, |
| u32 data) |
| { |
| struct qla_work_evt *e; |
| |
| e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1); |
| if (!e) |
| return QLA_FUNCTION_FAILED; |
| |
| e->u.aen.code = code; |
| e->u.aen.data = data; |
| return qla2x00_post_work(ha, e, 1); |
| } |
| |
| int |
| qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1, |
| uint16_t d2, uint16_t d3) |
| { |
| struct qla_work_evt *e; |
| |
| e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1); |
| if (!e) |
| return QLA_FUNCTION_FAILED; |
| |
| e->u.hwe.code = code; |
| e->u.hwe.d1 = d1; |
| e->u.hwe.d2 = d2; |
| e->u.hwe.d3 = d3; |
| return qla2x00_post_work(ha, e, 1); |
| } |
| |
| static void |
| qla2x00_do_work(struct scsi_qla_host *ha) |
| { |
| struct qla_work_evt *e; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| spin_lock_irq(&pha->hardware_lock); |
| while (!list_empty(&ha->work_list)) { |
| e = list_entry(ha->work_list.next, struct qla_work_evt, list); |
| list_del_init(&e->list); |
| spin_unlock_irq(&pha->hardware_lock); |
| |
| switch (e->type) { |
| case QLA_EVT_AEN: |
| fc_host_post_event(ha->host, fc_get_event_number(), |
| e->u.aen.code, e->u.aen.data); |
| break; |
| case QLA_EVT_HWE_LOG: |
| qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1, |
| e->u.hwe.d2, e->u.hwe.d3); |
| break; |
| } |
| if (e->flags & QLA_EVT_FLAG_FREE) |
| kfree(e); |
| spin_lock_irq(&pha->hardware_lock); |
| } |
| spin_unlock_irq(&pha->hardware_lock); |
| } |
| |
| /************************************************************************** |
| * 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 *ha; |
| fc_port_t *fcport; |
| uint8_t status; |
| uint16_t next_loopid; |
| struct scsi_qla_host *vha; |
| int i; |
| |
| |
| ha = (scsi_qla_host_t *)data; |
| |
| set_user_nice(current, -20); |
| |
| while (!kthread_should_stop()) { |
| DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
| |
| set_current_state(TASK_INTERRUPTIBLE); |
| schedule(); |
| __set_current_state(TASK_RUNNING); |
| |
| DEBUG3(printk("qla2x00: DPC handler waking up\n")); |
| |
| /* Initialization not yet finished. Don't do anything yet. */ |
| if (!ha->flags.init_done) |
| continue; |
| |
| DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); |
| |
| ha->dpc_active = 1; |
| |
| if (ha->flags.mbox_busy) { |
| ha->dpc_active = 0; |
| continue; |
| } |
| |
| qla2x00_do_work(ha); |
| |
| if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { |
| |
| DEBUG(printk("scsi(%ld): dpc: sched " |
| "qla2x00_abort_isp ha = %p\n", |
| ha->host_no, ha)); |
| if (!(test_and_set_bit(ABORT_ISP_ACTIVE, |
| &ha->dpc_flags))) { |
| |
| if (qla2x00_abort_isp(ha)) { |
| /* failed. retry later */ |
| set_bit(ISP_ABORT_NEEDED, |
| &ha->dpc_flags); |
| } |
| clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| } |
| |
| for_each_mapped_vp_idx(ha, i) { |
| list_for_each_entry(vha, &ha->vp_list, |
| vp_list) { |
| if (i == vha->vp_idx) { |
| set_bit(ISP_ABORT_NEEDED, |
| &vha->dpc_flags); |
| break; |
| } |
| } |
| } |
| |
| DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", |
| ha->host_no)); |
| } |
| |
| if (test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) { |
| qla2x00_update_fcports(ha); |
| clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); |
| } |
| |
| if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
| (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { |
| |
| DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", |
| ha->host_no)); |
| |
| qla2x00_rst_aen(ha); |
| clear_bit(RESET_ACTIVE, &ha->dpc_flags); |
| } |
| |
| /* Retry each device up to login retry count */ |
| if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && |
| !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && |
| atomic_read(&ha->loop_state) != LOOP_DOWN) { |
| |
| DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", |
| ha->host_no)); |
| |
| next_loopid = 0; |
| list_for_each_entry(fcport, &ha->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) { |
| |
| if (fcport->flags & FCF_FABRIC_DEVICE) { |
| if (fcport->flags & |
| FCF_TAPE_PRESENT) |
| ha->isp_ops->fabric_logout( |
| ha, fcport->loop_id, |
| fcport->d_id.b.domain, |
| fcport->d_id.b.area, |
| fcport->d_id.b.al_pa); |
| status = qla2x00_fabric_login( |
| ha, fcport, &next_loopid); |
| } else |
| status = |
| qla2x00_local_device_login( |
| ha, fcport); |
| |
| fcport->login_retry--; |
| if (status == QLA_SUCCESS) { |
| fcport->old_loop_id = fcport->loop_id; |
| |
| DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", |
| ha->host_no, fcport->loop_id)); |
| |
| qla2x00_update_fcport(ha, |
| fcport); |
| } else if (status == 1) { |
| set_bit(RELOGIN_NEEDED, &ha->dpc_flags); |
| /* retry the login again */ |
| DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", |
| ha->host_no, |
| fcport->login_retry, fcport->loop_id)); |
| } else { |
| fcport->login_retry = 0; |
| } |
| if (fcport->login_retry == 0 && status != QLA_SUCCESS) |
| fcport->loop_id = FC_NO_LOOP_ID; |
| } |
| if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) |
| break; |
| } |
| DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", |
| ha->host_no)); |
| } |
| |
| if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { |
| |
| DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", |
| ha->host_no)); |
| |
| if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, |
| &ha->dpc_flags))) { |
| |
| rval = qla2x00_loop_resync(ha); |
| |
| clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); |
| } |
| |
| DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", |
| ha->host_no)); |
| } |
| |
| if (test_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags) && |
| atomic_read(&ha->loop_state) == LOOP_READY) { |
| clear_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags); |
| qla2xxx_flash_npiv_conf(ha); |
| } |
| |
| if (!ha->interrupts_on) |
| ha->isp_ops->enable_intrs(ha); |
| |
| if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags)) |
| ha->isp_ops->beacon_blink(ha); |
| |
| qla2x00_do_dpc_all_vps(ha); |
| |
| ha->dpc_active = 0; |
| } /* End of while(1) */ |
| |
| DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); |
| |
| /* |
| * Make sure that nobody tries to wake us up again. |
| */ |
| ha->dpc_active = 0; |
| |
| return 0; |
| } |
| |
| void |
| qla2xxx_wake_dpc(scsi_qla_host_t *ha) |
| { |
| struct task_struct *t = ha->dpc_thread; |
| |
| if (!test_bit(UNLOADING, &ha->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 *ha) |
| { |
| if (ha->flags.online && !ha->flags.reset_active && |
| !atomic_read(&ha->loop_down_timer) && |
| !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { |
| do { |
| clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); |
| |
| /* |
| * Issue marker command only when we are going to start |
| * the I/O. |
| */ |
| ha->marker_needed = 1; |
| } while (!atomic_read(&ha->loop_down_timer) && |
| (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); |
| } |
| } |
| |
| static void |
| qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) |
| { |
| struct scsi_cmnd *cmd = sp->cmd; |
| |
| if (sp->flags & SRB_DMA_VALID) { |
| scsi_dma_unmap(cmd); |
| sp->flags &= ~SRB_DMA_VALID; |
| } |
| CMD_SP(cmd) = NULL; |
| } |
| |
| void |
| qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) |
| { |
| struct scsi_cmnd *cmd = sp->cmd; |
| |
| qla2x00_sp_free_dma(ha, sp); |
| |
| mempool_free(sp, ha->srb_mempool); |
| |
| cmd->scsi_done(cmd); |
| } |
| |
| /************************************************************************** |
| * qla2x00_timer |
| * |
| * Description: |
| * One second timer |
| * |
| * Context: Interrupt |
| ***************************************************************************/ |
| void |
| qla2x00_timer(scsi_qla_host_t *ha) |
| { |
| unsigned long cpu_flags = 0; |
| fc_port_t *fcport; |
| int start_dpc = 0; |
| int index; |
| srb_t *sp; |
| int t; |
| scsi_qla_host_t *pha = to_qla_parent(ha); |
| |
| /* |
| * Ports - Port down timer. |
| * |
| * Whenever, a port is in the LOST state we start decrementing its port |
| * down timer every second until it reaches zero. Once it reaches zero |
| * the port it marked DEAD. |
| */ |
| t = 0; |
| list_for_each_entry(fcport, &ha->fcports, list) { |
| if (fcport->port_type != FCT_TARGET) |
| continue; |
| |
| if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { |
| |
| if (atomic_read(&fcport->port_down_timer) == 0) |
| continue; |
| |
| if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
| atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
| |
| DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
| "%d remaining\n", |
| ha->host_no, |
| t, atomic_read(&fcport->port_down_timer))); |
| } |
| t++; |
| } /* End of for fcport */ |
| |
| |
| /* Loop down handler. */ |
| if (atomic_read(&ha->loop_down_timer) > 0 && |
| !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { |
| |
| if (atomic_read(&ha->loop_down_timer) == |
| ha->loop_down_abort_time) { |
| |
| DEBUG(printk("scsi(%ld): Loop Down - aborting the " |
| "queues before time expire\n", |
| ha->host_no)); |
| |
| if (!IS_QLA2100(ha) && ha->link_down_timeout) |
| atomic_set(&ha->loop_state, LOOP_DEAD); |
| |
| /* Schedule an ISP abort to return any tape commands. */ |
| /* NPIV - scan physical port only */ |
| if (!ha->parent) { |
| spin_lock_irqsave(&ha->hardware_lock, |
| cpu_flags); |
| for (index = 1; |
| index < MAX_OUTSTANDING_COMMANDS; |
| index++) { |
| fc_port_t *sfcp; |
| |
| sp = ha->outstanding_cmds[index]; |
| if (!sp) |
| continue; |
| sfcp = sp->fcport; |
| if (!(sfcp->flags & FCF_TAPE_PRESENT)) |
| continue; |
| |
| set_bit(ISP_ABORT_NEEDED, |
| &ha->dpc_flags); |
| break; |
| } |
| spin_unlock_irqrestore(&ha->hardware_lock, |
| cpu_flags); |
| } |
| set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); |
| start_dpc++; |
| } |
| |
| /* if the loop has been down for 4 minutes, reinit adapter */ |
| if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { |
| DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " |
| "restarting queues.\n", |
| ha->host_no)); |
| |
| set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); |
| start_dpc++; |
| |
| if (!(ha->device_flags & DFLG_NO_CABLE) && |
| !ha->parent) { |
| DEBUG(printk("scsi(%ld): Loop down - " |
| "aborting ISP.\n", |
| ha->host_no)); |
| qla_printk(KERN_WARNING, ha, |
| "Loop down - aborting ISP.\n"); |
| |
| set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
| } |
| } |
| DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
| ha->host_no, |
| atomic_read(&ha->loop_down_timer))); |
| } |
| |
| /* Check if beacon LED needs to be blinked */ |
| if (ha->beacon_blink_led == 1) { |
| set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags); |
| start_dpc++; |
| } |
| |
| /* Process any deferred work. */ |
| if (!list_empty(&ha->work_list)) |
| start_dpc++; |
| |
| /* Schedule the DPC routine if needed */ |
| if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || |
| test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || |
| test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || |
| start_dpc || |
| test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
| test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) || |
| test_bit(VP_DPC_NEEDED, &ha->dpc_flags) || |
| test_bit(RELOGIN_NEEDED, &ha->dpc_flags))) |
| qla2xxx_wake_dpc(pha); |
| |
| qla2x00_restart_timer(ha, WATCH_INTERVAL); |
| } |
| |
| /* Firmware interface routines. */ |
| |
| #define FW_BLOBS 6 |
| #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_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" |
| |
| 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, }, |
| }; |
| |
| struct fw_blob * |
| qla2x00_request_firmware(scsi_qla_host_t *ha) |
| { |
| struct fw_blob *blob; |
| |
| blob = NULL; |
| if (IS_QLA2100(ha)) { |
| blob = &qla_fw_blobs[FW_ISP21XX]; |
| } else if (IS_QLA2200(ha)) { |
| blob = &qla_fw_blobs[FW_ISP22XX]; |
| } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
| blob = &qla_fw_blobs[FW_ISP2300]; |
| } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { |
| blob = &qla_fw_blobs[FW_ISP2322]; |
| } else if (IS_QLA24XX_TYPE(ha)) { |
| blob = &qla_fw_blobs[FW_ISP24XX]; |
| } else if (IS_QLA25XX(ha)) { |
| blob = &qla_fw_blobs[FW_ISP25XX]; |
| } |
| |
| mutex_lock(&qla_fw_lock); |
| if (blob->fw) |
| goto out; |
| |
| if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { |
| DEBUG2(printk("scsi(%ld): Failed to load firmware image " |
| "(%s).\n", ha->host_no, blob->name)); |
| blob->fw = NULL; |
| blob = NULL; |
| goto out; |
| } |
| |
| out: |
| mutex_unlock(&qla_fw_lock); |
| return blob; |
| } |
| |
| static void |
| qla2x00_release_firmware(void) |
| { |
| int idx; |
| |
| mutex_lock(&qla_fw_lock); |
| for (idx = 0; idx < FW_BLOBS; idx++) |
| if (qla_fw_blobs[idx].fw) |
| release_firmware(qla_fw_blobs[idx].fw); |
| mutex_unlock(&qla_fw_lock); |
| } |
| |
| static pci_ers_result_t |
| qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) |
| { |
| switch (state) { |
| case pci_channel_io_normal: |
| return PCI_ERS_RESULT_CAN_RECOVER; |
| case pci_channel_io_frozen: |
| pci_disable_device(pdev); |
| return PCI_ERS_RESULT_NEED_RESET; |
| case pci_channel_io_perm_failure: |
| qla2x00_remove_one(pdev); |
| 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 *ha = pci_get_drvdata(pdev); |
| struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
| |
| spin_lock_irqsave(&ha->hardware_lock, flags); |
| if (IS_QLA2100(ha) || IS_QLA2200(ha)){ |
| stat = RD_REG_DWORD(®->hccr); |
| if (stat & HCCR_RISC_PAUSE) |
| risc_paused = 1; |
| } else if (IS_QLA23XX(ha)) { |
| stat = RD_REG_DWORD(®->u.isp2300.host_status); |
| if (stat & HSR_RISC_PAUSED) |
| risc_paused = 1; |
| } else if (IS_FWI2_CAPABLE(ha)) { |
| stat = RD_REG_DWORD(®24->host_status); |
| if (stat & HSRX_RISC_PAUSED) |
| risc_paused = 1; |
| } |
| spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| |
| if (risc_paused) { |
| qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, " |
| "Dumping firmware!\n"); |
| ha->isp_ops->fw_dump(ha, 0); |
| |
| return PCI_ERS_RESULT_NEED_RESET; |
| } else |
| return PCI_ERS_RESULT_RECOVERED; |
| } |
| |
| static pci_ers_result_t |
| qla2xxx_pci_slot_reset(struct pci_dev *pdev) |
| { |
| pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; |
| scsi_qla_host_t *ha = pci_get_drvdata(pdev); |
| int rc; |
| |
| if (ha->mem_only) |
| rc = pci_enable_device_mem(pdev); |
| else |
| rc = pci_enable_device(pdev); |
| |
| if (rc) { |
| qla_printk(KERN_WARNING, ha, |
| "Can't re-enable PCI device after reset.\n"); |
| |
| return ret; |
| } |
| pci_set_master(pdev); |
| |
| if (ha->isp_ops->pci_config(ha)) |
| return ret; |
| |
| set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| if (qla2x00_abort_isp(ha)== QLA_SUCCESS) |
| ret = PCI_ERS_RESULT_RECOVERED; |
| clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| |
| return ret; |
| } |
| |
| static void |
| qla2xxx_pci_resume(struct pci_dev *pdev) |
| { |
| scsi_qla_host_t *ha = pci_get_drvdata(pdev); |
| int ret; |
| |
| ret = qla2x00_wait_for_hba_online(ha); |
| if (ret != QLA_SUCCESS) { |
| qla_printk(KERN_ERR, ha, |
| "the device failed to resume I/O " |
| "from slot/link_reset"); |
| } |
| pci_cleanup_aer_uncorrect_error_status(pdev); |
| } |
| |
| static struct pci_error_handlers qla2xxx_err_handler = { |
| .error_detected = qla2xxx_pci_error_detected, |
| .mmio_enabled = qla2xxx_pci_mmio_enabled, |
| .slot_reset = qla2xxx_pci_slot_reset, |
| .resume = qla2xxx_pci_resume, |
| }; |
| |
| static struct pci_device_id qla2xxx_pci_tbl[] = { |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, |
| { 0 }, |
| }; |
| MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); |
| |
| static struct pci_driver qla2xxx_pci_driver = { |
| .name = QLA2XXX_DRIVER_NAME, |
| .driver = { |
| .owner = THIS_MODULE, |
| }, |
| .id_table = qla2xxx_pci_tbl, |
| .probe = qla2x00_probe_one, |
| .remove = qla2x00_remove_one, |
| .err_handler = &qla2xxx_err_handler, |
| }; |
| |
| /** |
| * qla2x00_module_init - Module initialization. |
| **/ |
| static int __init |
| qla2x00_module_init(void) |
| { |
| int ret = 0; |
| |
| /* Allocate cache for SRBs. */ |
| srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
| SLAB_HWCACHE_ALIGN, NULL); |
| if (srb_cachep == NULL) { |
| printk(KERN_ERR |
| "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); |
| return -ENOMEM; |
| } |
| |
| /* Derive version string. */ |
| strcpy(qla2x00_version_str, QLA2XXX_VERSION); |
| if (ql2xextended_error_logging) |
| strcat(qla2x00_version_str, "-debug"); |
| |
| qla2xxx_transport_template = |
| fc_attach_transport(&qla2xxx_transport_functions); |
| if (!qla2xxx_transport_template) { |
| kmem_cache_destroy(srb_cachep); |
| return -ENODEV; |
| } |
| qla2xxx_transport_vport_template = |
| fc_attach_transport(&qla2xxx_transport_vport_functions); |
| if (!qla2xxx_transport_vport_template) { |
| kmem_cache_destroy(srb_cachep); |
| fc_release_transport(qla2xxx_transport_template); |
| return -ENODEV; |
| } |
| |
| printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n", |
| qla2x00_version_str); |
| ret = pci_register_driver(&qla2xxx_pci_driver); |
| if (ret) { |
| kmem_cache_destroy(srb_cachep); |
| fc_release_transport(qla2xxx_transport_template); |
| fc_release_transport(qla2xxx_transport_vport_template); |
| } |
| return ret; |
| } |
| |
| /** |
| * qla2x00_module_exit - Module cleanup. |
| **/ |
| static void __exit |
| qla2x00_module_exit(void) |
| { |
| pci_unregister_driver(&qla2xxx_pci_driver); |
| qla2x00_release_firmware(); |
| kmem_cache_destroy(srb_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); |