Lines Matching refs:shost
64 void scsi_eh_wakeup(struct Scsi_Host *shost) in scsi_eh_wakeup() argument
66 lockdep_assert_held(shost->host_lock); in scsi_eh_wakeup()
68 if (scsi_host_busy(shost) == shost->host_failed) { in scsi_eh_wakeup()
69 trace_scsi_eh_wakeup(shost); in scsi_eh_wakeup()
70 wake_up_process(shost->ehandler); in scsi_eh_wakeup()
71 SCSI_LOG_ERROR_RECOVERY(5, shost_printk(KERN_INFO, shost, in scsi_eh_wakeup()
82 void scsi_schedule_eh(struct Scsi_Host *shost) in scsi_schedule_eh() argument
86 spin_lock_irqsave(shost->host_lock, flags); in scsi_schedule_eh()
88 if (scsi_host_set_state(shost, SHOST_RECOVERY) == 0 || in scsi_schedule_eh()
89 scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY) == 0) { in scsi_schedule_eh()
90 shost->host_eh_scheduled++; in scsi_schedule_eh()
91 scsi_eh_wakeup(shost); in scsi_schedule_eh()
94 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_schedule_eh()
98 static int scsi_host_eh_past_deadline(struct Scsi_Host *shost) in scsi_host_eh_past_deadline() argument
100 if (!shost->last_reset || shost->eh_deadline == -1) in scsi_host_eh_past_deadline()
110 if (time_before(jiffies, shost->last_reset + shost->eh_deadline) && in scsi_host_eh_past_deadline()
111 shost->eh_deadline > -1) in scsi_host_eh_past_deadline()
136 static void scsi_eh_complete_abort(struct scsi_cmnd *scmd, struct Scsi_Host *shost) in scsi_eh_complete_abort() argument
140 spin_lock_irqsave(shost->host_lock, flags); in scsi_eh_complete_abort()
146 if (list_empty(&shost->eh_abort_list) && in scsi_eh_complete_abort()
147 list_empty(&shost->eh_cmd_q)) in scsi_eh_complete_abort()
148 if (shost->eh_deadline != -1) in scsi_eh_complete_abort()
149 shost->last_reset = 0; in scsi_eh_complete_abort()
150 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_eh_complete_abort()
230 struct Scsi_Host *shost = sdev->host; in scsi_abort_command() local
244 spin_lock_irqsave(shost->host_lock, flags); in scsi_abort_command()
245 if (shost->eh_deadline != -1 && !shost->last_reset) in scsi_abort_command()
246 shost->last_reset = jiffies; in scsi_abort_command()
248 list_add_tail(&scmd->eh_entry, &shost->eh_abort_list); in scsi_abort_command()
249 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_abort_command()
254 queue_delayed_work(shost->tmf_work_q, &scmd->abort_work, HZ / 100); in scsi_abort_command()
278 struct Scsi_Host *shost = scmd->device->host; in scsi_eh_inc_host_failed() local
281 spin_lock_irqsave(shost->host_lock, flags); in scsi_eh_inc_host_failed()
282 shost->host_failed++; in scsi_eh_inc_host_failed()
283 scsi_eh_wakeup(shost); in scsi_eh_inc_host_failed()
284 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_eh_inc_host_failed()
293 struct Scsi_Host *shost = scmd->device->host; in scsi_eh_scmd_add() local
297 WARN_ON_ONCE(!shost->ehandler); in scsi_eh_scmd_add()
299 spin_lock_irqsave(shost->host_lock, flags); in scsi_eh_scmd_add()
300 if (scsi_host_set_state(shost, SHOST_RECOVERY)) { in scsi_eh_scmd_add()
301 ret = scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY); in scsi_eh_scmd_add()
304 if (shost->eh_deadline != -1 && !shost->last_reset) in scsi_eh_scmd_add()
305 shost->last_reset = jiffies; in scsi_eh_scmd_add()
308 list_add_tail(&scmd->eh_entry, &shost->eh_cmd_q); in scsi_eh_scmd_add()
309 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_eh_scmd_add()
395 static inline void scsi_eh_prt_fail_stats(struct Scsi_Host *shost, in scsi_eh_prt_fail_stats() argument
405 shost_for_each_device(sdev, shost) { in scsi_eh_prt_fail_stats()
418 shost_printk(KERN_INFO, shost, in scsi_eh_prt_fail_stats()
428 SCSI_LOG_ERROR_RECOVERY(2, shost_printk(KERN_INFO, shost, in scsi_eh_prt_fail_stats()
1097 struct Scsi_Host *shost = sdev->host; in scsi_send_eh_cmnd() local
1106 shost->eh_action = &done; in scsi_send_eh_cmnd()
1128 rtn = shost->hostt->queuecommand(shost, scmd); in scsi_send_eh_cmnd()
1149 shost->eh_action = NULL; in scsi_send_eh_cmnd()
1260 struct Scsi_Host *shost; in scsi_eh_get_sense() local
1272 shost = scmd->device->host; in scsi_eh_get_sense()
1273 if (scsi_host_eh_past_deadline(shost)) { in scsi_eh_get_sense()
1451 static int scsi_eh_stu(struct Scsi_Host *shost, in scsi_eh_stu() argument
1458 shost_for_each_device(sdev, shost) { in scsi_eh_stu()
1459 if (scsi_host_eh_past_deadline(shost)) { in scsi_eh_stu()
1517 static int scsi_eh_bus_device_reset(struct Scsi_Host *shost, in scsi_eh_bus_device_reset() argument
1525 shost_for_each_device(sdev, shost) { in scsi_eh_bus_device_reset()
1526 if (scsi_host_eh_past_deadline(shost)) { in scsi_eh_bus_device_reset()
1579 static int scsi_eh_target_reset(struct Scsi_Host *shost, in scsi_eh_target_reset() argument
1593 if (scsi_host_eh_past_deadline(shost)) { in scsi_eh_target_reset()
1598 shost_printk(KERN_INFO, shost, in scsi_eh_target_reset()
1608 shost_printk(KERN_INFO, shost, in scsi_eh_target_reset()
1614 shost_printk(KERN_INFO, shost, in scsi_eh_target_reset()
1641 static int scsi_eh_bus_reset(struct Scsi_Host *shost, in scsi_eh_bus_reset() argument
1657 for (channel = 0; channel <= shost->max_channel; channel++) { in scsi_eh_bus_reset()
1658 if (scsi_host_eh_past_deadline(shost)) { in scsi_eh_bus_reset()
1661 shost_printk(KERN_INFO, shost, in scsi_eh_bus_reset()
1682 shost_printk(KERN_INFO, shost, in scsi_eh_bus_reset()
1699 shost_printk(KERN_INFO, shost, in scsi_eh_bus_reset()
1713 static int scsi_eh_host_reset(struct Scsi_Host *shost, in scsi_eh_host_reset() argument
1726 shost_printk(KERN_INFO, shost, in scsi_eh_host_reset()
1739 shost_printk(KERN_INFO, shost, in scsi_eh_host_reset()
2054 static void scsi_restart_operations(struct Scsi_Host *shost) in scsi_restart_operations() argument
2064 shost_for_each_device(sdev, shost) { in scsi_restart_operations()
2077 shost_printk(KERN_INFO, shost, "waking up host to restart\n")); in scsi_restart_operations()
2079 spin_lock_irqsave(shost->host_lock, flags); in scsi_restart_operations()
2080 if (scsi_host_set_state(shost, SHOST_RUNNING)) in scsi_restart_operations()
2081 if (scsi_host_set_state(shost, SHOST_CANCEL)) in scsi_restart_operations()
2082 BUG_ON(scsi_host_set_state(shost, SHOST_DEL)); in scsi_restart_operations()
2083 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_restart_operations()
2085 wake_up(&shost->host_wait); in scsi_restart_operations()
2093 scsi_run_host_queues(shost); in scsi_restart_operations()
2103 spin_lock_irqsave(shost->host_lock, flags); in scsi_restart_operations()
2104 if (shost->host_eh_scheduled) in scsi_restart_operations()
2105 if (scsi_host_set_state(shost, SHOST_RECOVERY)) in scsi_restart_operations()
2106 WARN_ON(scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY)); in scsi_restart_operations()
2107 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_restart_operations()
2116 void scsi_eh_ready_devs(struct Scsi_Host *shost, in scsi_eh_ready_devs() argument
2120 if (!scsi_eh_stu(shost, work_q, done_q)) in scsi_eh_ready_devs()
2121 if (!scsi_eh_bus_device_reset(shost, work_q, done_q)) in scsi_eh_ready_devs()
2122 if (!scsi_eh_target_reset(shost, work_q, done_q)) in scsi_eh_ready_devs()
2123 if (!scsi_eh_bus_reset(shost, work_q, done_q)) in scsi_eh_ready_devs()
2124 if (!scsi_eh_host_reset(shost, work_q, done_q)) in scsi_eh_ready_devs()
2189 static void scsi_unjam_host(struct Scsi_Host *shost) in scsi_unjam_host() argument
2195 spin_lock_irqsave(shost->host_lock, flags); in scsi_unjam_host()
2196 list_splice_init(&shost->eh_cmd_q, &eh_work_q); in scsi_unjam_host()
2197 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_unjam_host()
2199 SCSI_LOG_ERROR_RECOVERY(1, scsi_eh_prt_fail_stats(shost, &eh_work_q)); in scsi_unjam_host()
2202 scsi_eh_ready_devs(shost, &eh_work_q, &eh_done_q); in scsi_unjam_host()
2204 spin_lock_irqsave(shost->host_lock, flags); in scsi_unjam_host()
2205 if (shost->eh_deadline != -1) in scsi_unjam_host()
2206 shost->last_reset = 0; in scsi_unjam_host()
2207 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_unjam_host()
2221 struct Scsi_Host *shost = data; in scsi_error_handler() local
2240 if ((shost->host_failed == 0 && shost->host_eh_scheduled == 0) || in scsi_error_handler()
2241 shost->host_failed != scsi_host_busy(shost)) { in scsi_error_handler()
2243 shost_printk(KERN_INFO, shost, in scsi_error_handler()
2245 shost->host_no)); in scsi_error_handler()
2252 shost_printk(KERN_INFO, shost, in scsi_error_handler()
2254 shost->host_no, shost->host_eh_scheduled, in scsi_error_handler()
2255 shost->host_failed, in scsi_error_handler()
2256 scsi_host_busy(shost))); in scsi_error_handler()
2263 if (!shost->eh_noresume && scsi_autopm_get_host(shost) != 0) { in scsi_error_handler()
2265 shost_printk(KERN_ERR, shost, in scsi_error_handler()
2267 shost->host_no)); in scsi_error_handler()
2271 if (shost->transportt->eh_strategy_handler) in scsi_error_handler()
2272 shost->transportt->eh_strategy_handler(shost); in scsi_error_handler()
2274 scsi_unjam_host(shost); in scsi_error_handler()
2277 shost->host_failed = 0; in scsi_error_handler()
2286 scsi_restart_operations(shost); in scsi_error_handler()
2287 if (!shost->eh_noresume) in scsi_error_handler()
2288 scsi_autopm_put_host(shost); in scsi_error_handler()
2293 shost_printk(KERN_INFO, shost, in scsi_error_handler()
2295 shost->host_no)); in scsi_error_handler()
2296 shost->ehandler = NULL; in scsi_error_handler()
2321 void scsi_report_bus_reset(struct Scsi_Host *shost, int channel) in scsi_report_bus_reset() argument
2325 __shost_for_each_device(sdev, shost) { in scsi_report_bus_reset()
2354 void scsi_report_device_reset(struct Scsi_Host *shost, int channel, int target) in scsi_report_device_reset() argument
2358 __shost_for_each_device(sdev, shost) { in scsi_report_device_reset()
2375 struct Scsi_Host *shost = dev->host; in scsi_ioctl_reset() local
2388 if (scsi_autopm_get_host(shost) < 0) in scsi_ioctl_reset()
2393 shost->hostt->cmd_size, GFP_KERNEL); in scsi_ioctl_reset()
2409 spin_lock_irqsave(shost->host_lock, flags); in scsi_ioctl_reset()
2410 shost->tmf_in_progress = 1; in scsi_ioctl_reset()
2411 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_ioctl_reset()
2444 spin_lock_irqsave(shost->host_lock, flags); in scsi_ioctl_reset()
2445 shost->tmf_in_progress = 0; in scsi_ioctl_reset()
2446 spin_unlock_irqrestore(shost->host_lock, flags); in scsi_ioctl_reset()
2453 shost_printk(KERN_INFO, shost, in scsi_ioctl_reset()
2456 wake_up(&shost->host_wait); in scsi_ioctl_reset()
2457 scsi_run_host_queues(shost); in scsi_ioctl_reset()
2462 scsi_autopm_put_host(shost); in scsi_ioctl_reset()