scsi/libsas/sas_init.c

357 void sas_prep_resume_ha(struct sas_ha_struct *ha)
361 	set_bit(SAS_HA_REGISTERED, &ha->state);
362 	set_bit(SAS_HA_RESUMING, &ha->state);
365 	for (i = 0; i < ha->num_phys; i++) {
366 		struct asd_sas_phy *phy = ha->sas_phy[i];
374 static int phys_suspended(struct sas_ha_struct *ha)
378 	for (i = 0; i < ha->num_phys; i++) {
379 		struct asd_sas_phy *phy = ha->sas_phy[i];
388 static void sas_resume_insert_broadcast_ha(struct sas_ha_struct *ha)
392 	for (i = 0; i < ha->num_phys; i++) {
393 		struct asd_sas_port *port = ha->sas_port[i];
412 static void _sas_resume_ha(struct sas_ha_struct *ha, bool drain)
423 	i = phys_suspended(ha);
425 		dev_info(ha->dev, "waiting up to 25 seconds for %d phy%s to resume\n",
427 	wait_event_timeout(ha->eh_wait_q, phys_suspended(ha) == 0, tmo);
428 	for (i = 0; i < ha->num_phys; i++) {
429 		struct asd_sas_phy *phy = ha->sas_phy[i];
441 	scsi_unblock_requests(ha->shost);
443 		sas_drain_work(ha);
444 	clear_bit(SAS_HA_RESUMING, &ha->state);
446 	sas_queue_deferred_work(ha);
450 	sas_resume_insert_broadcast_ha(ha);
453 void sas_resume_ha(struct sas_ha_struct *ha)
455 	_sas_resume_ha(ha, true);
460 void sas_resume_ha_no_sync(struct sas_ha_struct *ha)
462 	_sas_resume_ha(ha, false);
466 void sas_suspend_ha(struct sas_ha_struct *ha)
470 	sas_disable_events(ha);
471 	scsi_block_requests(ha->shost);
472 	for (i = 0; i < ha->num_phys; i++) {
473 		struct asd_sas_port *port = ha->sas_port[i];
479 	mutex_lock(&ha->drain_mutex);
480 	__sas_drain_work(ha);
481 	mutex_unlock(&ha->drain_mutex);
524 	struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost);
531 	pm_runtime_get_sync(ha->dev);
537 	spin_lock_irq(&ha->lock);
538 	sas_queue_work(ha, &d->reset_work);
539 	spin_unlock_irq(&ha->lock);
541 	rc = sas_drain_work(ha);
545 	pm_runtime_put_sync(ha->dev);
553 	struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost);
560 	pm_runtime_get_sync(ha->dev);
566 	spin_lock_irq(&ha->lock);
567 	sas_queue_work(ha, &d->enable_work);
568 	spin_unlock_irq(&ha->lock);
570 	rc = sas_drain_work(ha);
574 	pm_runtime_put_sync(ha->dev);
642 	struct sas_ha_struct *sas_ha = phy->ha;
652 	if (atomic_read(&phy->event_nr) > phy->ha->event_thres) {