93 int sas_register_ha(struct sas_ha_struct *sas_ha)  in sas_register_ha()  argument
98 	mutex_init(&sas_ha->disco_mutex);  in sas_register_ha()
99 	spin_lock_init(&sas_ha->phy_port_lock);  in sas_register_ha()
100 	sas_hash_addr(sas_ha->hashed_sas_addr, sas_ha->sas_addr);  in sas_register_ha()
102 	set_bit(SAS_HA_REGISTERED, &sas_ha->state);  in sas_register_ha()
103 	spin_lock_init(&sas_ha->lock);  in sas_register_ha()
104 	mutex_init(&sas_ha->drain_mutex);  in sas_register_ha()
105 	init_waitqueue_head(&sas_ha->eh_wait_q);  in sas_register_ha()
106 	INIT_LIST_HEAD(&sas_ha->defer_q);  in sas_register_ha()
107 	INIT_LIST_HEAD(&sas_ha->eh_dev_q);  in sas_register_ha()
109 	sas_ha->event_thres = SAS_PHY_SHUTDOWN_THRES;  in sas_register_ha()
111 	error = sas_register_phys(sas_ha);  in sas_register_ha()
117 	error = sas_register_ports(sas_ha);  in sas_register_ha()
124 	snprintf(name, sizeof(name), "%s_event_q", dev_name(sas_ha->dev));  in sas_register_ha()
125 	sas_ha->event_q = alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, name);  in sas_register_ha()
126 	if (!sas_ha->event_q)  in sas_register_ha()
129 	snprintf(name, sizeof(name), "%s_disco_q", dev_name(sas_ha->dev));  in sas_register_ha()
130 	sas_ha->disco_q = alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, name);  in sas_register_ha()
131 	if (!sas_ha->disco_q)  in sas_register_ha()
134 	INIT_LIST_HEAD(&sas_ha->eh_done_q);  in sas_register_ha()
135 	INIT_LIST_HEAD(&sas_ha->eh_ata_q);  in sas_register_ha()
140 	destroy_workqueue(sas_ha->event_q);  in sas_register_ha()
142 	sas_unregister_ports(sas_ha);  in sas_register_ha()
149 static void sas_disable_events(struct sas_ha_struct *sas_ha)  in sas_disable_events()  argument
154 	mutex_lock(&sas_ha->drain_mutex);  in sas_disable_events()
155 	spin_lock_irq(&sas_ha->lock);  in sas_disable_events()
156 	clear_bit(SAS_HA_REGISTERED, &sas_ha->state);  in sas_disable_events()
157 	spin_unlock_irq(&sas_ha->lock);  in sas_disable_events()
158 	__sas_drain_work(sas_ha);  in sas_disable_events()
159 	mutex_unlock(&sas_ha->drain_mutex);  in sas_disable_events()
162 int sas_unregister_ha(struct sas_ha_struct *sas_ha)  in sas_unregister_ha()  argument
164 	sas_disable_events(sas_ha);  in sas_unregister_ha()
165 	sas_unregister_ports(sas_ha);  in sas_unregister_ha()
168 	mutex_lock(&sas_ha->drain_mutex);  in sas_unregister_ha()
169 	__sas_drain_work(sas_ha);  in sas_unregister_ha()
170 	mutex_unlock(&sas_ha->drain_mutex);  in sas_unregister_ha()
172 	destroy_workqueue(sas_ha->disco_q);  in sas_unregister_ha()
173 	destroy_workqueue(sas_ha->event_q);  in sas_unregister_ha()
183 		struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);  in sas_get_linkerrors()  local
184 		struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];  in sas_get_linkerrors()
186 			to_sas_internal(sas_ha->shost->transportt);  in sas_get_linkerrors()
232 		struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);  in transport_sas_phy_reset()  local
233 		struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];  in transport_sas_phy_reset()
235 			to_sas_internal(sas_ha->shost->transportt);  in transport_sas_phy_reset()
266 		struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);  in sas_phy_enable()  local
267 		struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];  in sas_phy_enable()
269 			to_sas_internal(sas_ha->shost->transportt);  in sas_phy_enable()
303 		struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);  in sas_phy_reset()  local
304 		struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];  in sas_phy_reset()
306 			to_sas_internal(sas_ha->shost->transportt);  in sas_phy_reset()
339 		struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);  in sas_set_phy_speed()  local
340 		struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];  in sas_set_phy_speed()
342 			to_sas_internal(sas_ha->shost->transportt);  in sas_set_phy_speed()
642 	struct sas_ha_struct *sas_ha = phy->ha;  in sas_alloc_event()  local
644 		to_sas_internal(sas_ha->shost->transportt);  in sas_alloc_event()