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- /*
- * QLogic Fibre Channel HBA Driver
- * Copyright (c) 2003-2005 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 <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;
- /*
- * Ioctl related information.
- */
- int num_hosts;
- 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;
- 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.");
- /*
- * 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_bus_reset(struct scsi_cmnd *);
- static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
- static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
- 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_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,
- .use_sg_chaining = ENABLE_SG_CHAINING,
- .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_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,
- .use_sg_chaining = ENABLE_SG_CHAINING,
- .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 uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
- static void qla2x00_mem_free(scsi_qla_host_t *ha);
- static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
- static void qla2x00_free_sp_pool(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, "2.5Gb/s ");
- else if (lspeed == 2)
- strcat(str, "5.0Gb/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_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 (!*(fc_port_t **)rport->dd_data) {
- cmd->result = DID_IMM_RETRY << 16;
- goto qc_fail_command;
- }
- 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_host_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);
- qc_host_busy:
- return SCSI_MLQUEUE_HOST_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(ha->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 (!*(fc_port_t **)rport->dd_data) {
- cmd->result = DID_IMM_RETRY << 16;
- goto qc24_fail_command;
- }
- 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_host_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);
- qc24_host_busy:
- return SCSI_MLQUEUE_HOST_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;
- DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
- 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);
- }
- 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));
- DEBUG3(qla2x00_print_scsi_cmd(cmd));
- 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;
- }
- /**************************************************************************
- * qla2x00_eh_wait_for_pending_target_commands
- *
- * Description:
- * Waits for all the commands to come back from the specified target.
- *
- * Input:
- * ha - pointer to scsi_qla_host structure.
- * t - target
- * Returns:
- * Either SUCCESS or FAILED.
- *
- * Note:
- **************************************************************************/
- static int
- qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
- {
- int cnt;
- int status;
- srb_t *sp;
- struct scsi_cmnd *cmd;
- unsigned long flags;
- scsi_qla_host_t *pha = to_qla_parent(ha);
- status = 0;
- /*
- * Waiting for all commands for the designated target in the active
- * array
- */
- for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
- spin_lock_irqsave(&pha->hardware_lock, flags);
- sp = pha->outstanding_cmds[cnt];
- if (sp) {
- cmd = sp->cmd;
- spin_unlock_irqrestore(&pha->hardware_lock, flags);
- if (cmd->device->id == t &&
- ha->vp_idx == sp->ha->vp_idx) {
- if (!qla2x00_eh_wait_on_command(ha, cmd)) {
- status = 1;
- break;
- }
- }
- } else {
- spin_unlock_irqrestore(&pha->hardware_lock, flags);
- }
- }
- return (status);
- }
- /**************************************************************************
- * qla2xxx_eh_device_reset
- *
- * Description:
- * The device reset function will reset the target and abort any
- * executing commands.
- *
- * NOTE: The use of SP is undefined within this context. Do *NOT*
- * attempt to use this value, even if you determine it is
- * non-null.
- *
- * Input:
- * cmd = Linux SCSI command packet of the command that cause the
- * bus device reset.
- *
- * Returns:
- * SUCCESS/FAILURE (defined as macro in scsi.h).
- *
- **************************************************************************/
- static int
- qla2xxx_eh_device_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;
- 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): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
- if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
- goto eh_dev_reset_done;
- if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
- if (qla2x00_device_reset(ha, fcport) == 0)
- ret = SUCCESS;
- #if defined(LOGOUT_AFTER_DEVICE_RESET)
- if (ret == SUCCESS) {
- if (fcport->flags & FC_FABRIC_DEVICE) {
- ha->isp_ops->fabric_logout(ha, fcport->loop_id);
- qla2x00_mark_device_lost(ha, fcport, 0, 0);
- }
- }
- #endif
- } else {
- DEBUG2(printk(KERN_INFO
- "%s failed: loop not ready\n",__func__));
- }
- if (ret == FAILED) {
- DEBUG3(printk("%s(%ld): device reset failed\n",
- __func__, ha->host_no));
- qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
- __func__);
- goto eh_dev_reset_done;
- }
- /* Flush outstanding commands. */
- if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
- ret = FAILED;
- if (ret == FAILED) {
- DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
- __func__, ha->host_no));
- qla_printk(KERN_INFO, ha,
- "%s: failed while waiting for commands\n", __func__);
- } else
- qla_printk(KERN_INFO, ha,
- "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
- id, lun);
- eh_dev_reset_done:
- return ret;
- }
- /**************************************************************************
- * qla2x00_eh_wait_for_pending_commands
- *
- * Description:
- * Waits for all the commands to come back from the specified host.
- *
- * Input:
- * ha - pointer to scsi_qla_host structure.
- *
- * Returns:
- * 1 : SUCCESS
- * 0 : FAILED
- *
- * Note:
- **************************************************************************/
- static int
- qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
- {
- int cnt;
- int status;
- srb_t *sp;
- struct scsi_cmnd *cmd;
- unsigned long flags;
- status = 1;
- /*
- * Waiting for all commands for the designated target in the active
- * array
- */
- for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
- spin_lock_irqsave(&ha->hardware_lock, flags);
- sp = ha->outstanding_cmds[cnt];
- if (sp) {
- cmd = sp->cmd;
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- status = qla2x00_eh_wait_on_command(ha, cmd);
- if (status == 0)
- break;
- }
- else {
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- }
- }
- return (status);
- }
- /**************************************************************************
- * 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))
- 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))
- 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 = qla2x00_device_reset(ha, fcport);
- 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;
- }
- /*
- * qla2x00_device_reset
- * Issue bus device reset message to the target.
- *
- * Input:
- * ha = adapter block pointer.
- * t = SCSI ID.
- * TARGET_QUEUE_LOCK must be released.
- * ADAPTER_STATE_LOCK must be released.
- *
- * Context:
- * Kernel context.
- */
- static int
- qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
- {
- /* Abort Target command will clear Reservation */
- return ha->isp_ops->abort_target(reset_fcport);
- }
- 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 + 5;
- 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,
- .abort_target = qla2x00_abort_target,
- .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,
- .abort_target = qla2x00_abort_target,
- .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,
- .abort_target = qla24xx_abort_target,
- .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,
- .abort_target = qla24xx_abort_target,
- .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_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);
- }
- 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;
- device_reg_t __iomem *reg;
- struct Scsi_Host *host;
- scsi_qla_host_t *ha;
- unsigned long flags = 0;
- char pci_info[30];
- char fw_str[30];
- struct scsi_host_template *sht;
- int bars;
- 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_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;
- }
- if (pci_enable_device_bars(pdev, bars))
- 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;
- /* 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);
- spin_lock_init(&ha->hardware_lock);
- 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(ha) || IS_QLA54XX(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;
- /* load the F/W, read paramaters, and init the H/W */
- ha->instance = num_hosts;
- init_MUTEX(&ha->vport_sem);
- 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);
- 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 = ha->instance;
- 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));
- ha->isp_ops->disable_intrs(ha);
- spin_lock_irqsave(&ha->hardware_lock, flags);
- reg = ha->iobase;
- if (IS_FWI2_CAPABLE(ha)) {
- WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT);
- WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT);
- } else {
- WRT_REG_WORD(®->isp.semaphore, 0);
- WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT);
- WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT);
- /* Enable proper parity */
- if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
- if (IS_QLA2300(ha))
- /* SRAM parity */
- WRT_REG_WORD(®->isp.hccr,
- (HCCR_ENABLE_PARITY + 0x1));
- else
- /* SRAM, Instruction RAM and GP RAM parity */
- WRT_REG_WORD(®->isp.hccr,
- (HCCR_ENABLE_PARITY + 0x7));
- }
- }
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- ha->isp_ops->enable_intrs(ha);
- pci_set_drvdata(pdev, ha);
- ha->flags.init_done = 1;
- ha->flags.online = 1;
- num_hosts++;
- ret = scsi_add_host(host, &pdev->dev);
- if (ret)
- goto probe_failed;
- 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;
- ha = pci_get_drvdata(pdev);
- qla2x00_dfs_remove(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)
- {
- /* Disable timer */
- if (ha->timer_active)
- qla2x00_stop_timer(ha);
- /* 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);
- ha->flags.online = 0;
- /* 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)
- {
- unsigned long flags;
- struct fc_rport *rport;
- if (!fcport->rport)
- return;
- rport = fcport->rport;
- if (defer) {
- spin_lock_irqsave(&fcport->rport_lock, flags);
- fcport->drport = rport;
- fcport->rport = NULL;
- *(fc_port_t **)rport->dd_data = NULL;
- spin_unlock_irqrestore(&fcport->rport_lock, flags);
- set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
- } else {
- spin_lock_irqsave(&fcport->rport_lock, flags);
- fcport->rport = NULL;
- *(fc_port_t **)rport->dd_data = NULL;
- spin_unlock_irqrestore(&fcport->rport_lock, flags);
- 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 != 0 && 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) {
- if (defer)
- qla2x00_schedule_rport_del(ha, fcport, defer);
- else if (ha->vp_idx == fcport->vp_idx)
- qla2x00_schedule_rport_del(ha, fcport, defer);
- }
- atomic_set(&fcport->state, FCS_DEVICE_LOST);
- }
- if (defer)
- qla2xxx_wake_dpc(ha);
- }
- /*
- * qla2x00_mem_alloc
- * Allocates adapter memory.
- *
- * Returns:
- * 0 = success.
- * 1 = failure.
- */
- static uint8_t
- qla2x00_mem_alloc(scsi_qla_host_t *ha)
- {
- char name[16];
- uint8_t status = 1;
- int retry= 10;
- do {
- /*
- * This will loop only once if everything goes well, else some
- * number of retries will be performed to get around a kernel
- * bug where available mem is not allocated until after a
- * little delay and a retry.
- */
- 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 == NULL) {
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - request_ring\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- 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 == NULL) {
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - response_ring\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
- &ha->gid_list_dma, GFP_KERNEL);
- if (ha->gid_list == NULL) {
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - gid_list\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- /* get consistent memory allocated for init control block */
- ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
- ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
- if (ha->init_cb == NULL) {
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - init_cb\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- memset(ha->init_cb, 0, ha->init_cb_size);
- 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 == NULL) {
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - s_dma_pool\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- if (qla2x00_allocate_sp_pool(ha)) {
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - "
- "qla2x00_allocate_sp_pool()\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- /* 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 == NULL) {
- /* error */
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - sns_cmd\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
- } 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 == NULL) {
- /* error */
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - ms_iocb\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
- /*
- * 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 == NULL) {
- /* error */
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - ct_sns\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
- if (IS_FWI2_CAPABLE(ha)) {
- /*
- * Get consistent memory allocated for SFP
- * block.
- */
- ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
- GFP_KERNEL, &ha->sfp_data_dma);
- if (ha->sfp_data == NULL) {
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - "
- "sfp_data\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
- }
- }
- /* Get memory for cached NVRAM */
- ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
- if (ha->nvram == NULL) {
- /* error */
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - nvram cache\n");
- qla2x00_mem_free(ha);
- msleep(100);
- continue;
- }
- /* Done all allocations without any error. */
- status = 0;
- } while (retry-- && status != 0);
- if (status) {
- printk(KERN_WARNING
- "%s(): **** FAILED ****\n", __func__);
- }
- return(status);
- }
- /*
- * 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 == NULL) {
- /* error */
- DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
- return;
- }
- /* free sp pool */
- qla2x00_free_sp_pool(ha);
- if (ha->fce)
- dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
- ha->fce_dma);
- if (ha->fw_dump) {
- if (ha->eft)
- dma_free_coherent(&ha->pdev->dev,
- ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
- vfree(ha->fw_dump);
- }
- 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->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);
- }
- /*
- * qla2x00_allocate_sp_pool
- * This routine is called during initialization to allocate
- * memory for local srb_t.
- *
- * Input:
- * ha = adapter block pointer.
- *
- * Context:
- * Kernel context.
- */
- static int
- qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
- {
- int rval;
- rval = QLA_SUCCESS;
- ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
- if (ha->srb_mempool == NULL) {
- qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
- rval = QLA_FUNCTION_FAILED;
- }
- return (rval);
- }
- /*
- * This routine frees all adapter allocated memory.
- *
- */
- static void
- qla2x00_free_sp_pool( scsi_qla_host_t *ha)
- {
- if (ha->srb_mempool) {
- mempool_destroy(ha->srb_mempool);
- ha->srb_mempool = NULL;
- }
- }
- /**************************************************************************
- * 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;
- 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;
- }
- 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);
- }
- DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
- ha->host_no));
- }
- if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
- qla2x00_update_fcports(ha);
- if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
- DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
- ha->host_no));
- qla2x00_loop_reset(ha);
- }
- 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)
- 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_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
- atomic_read(&ha->loop_state) != LOOP_DOWN) {
- clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
- DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
- ha->host_no));
- set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
- DEBUG(printk("scsi(%ld): qla2x00_login_retry - 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_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
- DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
- ha->host_no));
- qla2x00_rescan_fcports(ha);
- DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
- "end.\n",
- ha->host_no));
- }
- 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)
- {
- if (ha->dpc_thread)
- wake_up_process(ha->dpc_thread);
- }
- /*
- * 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)) {
- 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++;
- }
- /* 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(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
- test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
- start_dpc ||
- test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
- 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 DECLARE_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(ha) || IS_QLA54XX(ha)) {
- blob = &qla_fw_blobs[FW_ISP24XX];
- } else if (IS_QLA25XX(ha)) {
- blob = &qla_fw_blobs[FW_ISP25XX];
- }
- down(&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:
- up(&qla_fw_lock);
- return blob;
- }
- static void
- qla2x00_release_firmware(void)
- {
- int idx;
- down(&qla_fw_lock);
- for (idx = 0; idx < FW_BLOBS; idx++)
- if (qla_fw_blobs[idx].fw)
- release_firmware(qla_fw_blobs[idx].fw);
- up(&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);
- if (pci_enable_device_bars(pdev, ha->bars)) {
- 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_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\n");
- 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);
|