39 void sas_init_dev(struct domain_device *dev)  in sas_init_dev()  argument
41 	switch (dev->dev_type) {  in sas_init_dev()
43 		INIT_LIST_HEAD(&dev->ssp_dev.eh_list_node);  in sas_init_dev()
47 		INIT_LIST_HEAD(&dev->ex_dev.children);  in sas_init_dev()
48 		mutex_init(&dev->ex_dev.cmd_mutex);  in sas_init_dev()
70 	struct domain_device *dev;  in sas_get_port_device()  local
73 	dev = sas_alloc_device();  in sas_get_port_device()
74 	if (!dev)  in sas_get_port_device()
80 		sas_put_device(dev);  in sas_get_port_device()
85 	memcpy(dev->frame_rcvd, phy->frame_rcvd, min(sizeof(dev->frame_rcvd),  in sas_get_port_device()
90 	if (dev->frame_rcvd[0] == 0x34 && port->oob_mode == SATA_OOB_MODE) {  in sas_get_port_device()
92 			(struct dev_to_host_fis *) dev->frame_rcvd;  in sas_get_port_device()
96 			dev->dev_type = SAS_SATA_PM;  in sas_get_port_device()
98 			dev->dev_type = SAS_SATA_DEV;  in sas_get_port_device()
99 		dev->tproto = SAS_PROTOCOL_SATA;  in sas_get_port_device()
102 			(struct sas_identify_frame *) dev->frame_rcvd;  in sas_get_port_device()
103 		dev->dev_type = id->dev_type;  in sas_get_port_device()
104 		dev->iproto = id->initiator_bits;  in sas_get_port_device()
105 		dev->tproto = id->target_bits;  in sas_get_port_device()
108 	sas_init_dev(dev);  in sas_get_port_device()
110 	dev->port = port;  in sas_get_port_device()
111 	switch (dev->dev_type) {  in sas_get_port_device()
113 		rc = sas_ata_init(dev);  in sas_get_port_device()
131 		printk("ERROR: Unidentified device type %d\n", dev->dev_type);  in sas_get_port_device()
137 		sas_put_device(dev);  in sas_get_port_device()
142 	memcpy(dev->sas_addr, port->attached_sas_addr, SAS_ADDR_SIZE);  in sas_get_port_device()
143 	sas_fill_in_rphy(dev, rphy);  in sas_get_port_device()
144 	sas_hash_addr(dev->hashed_sas_addr, dev->sas_addr);  in sas_get_port_device()
145 	port->port_dev = dev;  in sas_get_port_device()
146 	dev->linkrate = port->linkrate;  in sas_get_port_device()
147 	dev->min_linkrate = port->linkrate;  in sas_get_port_device()
148 	dev->max_linkrate = port->linkrate;  in sas_get_port_device()
149 	dev->pathways = port->num_phys;  in sas_get_port_device()
154 	sas_device_set_phy(dev, port->port);  in sas_get_port_device()
156 	dev->rphy = rphy;  in sas_get_port_device()
157 	get_device(&dev->rphy->dev);  in sas_get_port_device()
159 	if (dev_is_sata(dev) || dev->dev_type == SAS_END_DEVICE)  in sas_get_port_device()
160 		list_add_tail(&dev->disco_list_node, &port->disco_list);  in sas_get_port_device()
163 		list_add_tail(&dev->dev_list_node, &port->dev_list);  in sas_get_port_device()
169 		sas_phy_set_target(phy, dev);  in sas_get_port_device()
177 int sas_notify_lldd_dev_found(struct domain_device *dev)  in sas_notify_lldd_dev_found()  argument
180 	struct sas_ha_struct *sas_ha = dev->port->ha;  in sas_notify_lldd_dev_found()
187 	res = i->dft->lldd_dev_found(dev);  in sas_notify_lldd_dev_found()
191 		       dev_name(sas_ha->dev),  in sas_notify_lldd_dev_found()
192 		       SAS_ADDR(dev->sas_addr), res);  in sas_notify_lldd_dev_found()
194 	set_bit(SAS_DEV_FOUND, &dev->state);  in sas_notify_lldd_dev_found()
195 	kref_get(&dev->kref);  in sas_notify_lldd_dev_found()
200 void sas_notify_lldd_dev_gone(struct domain_device *dev)  in sas_notify_lldd_dev_gone()  argument
202 	struct sas_ha_struct *sas_ha = dev->port->ha;  in sas_notify_lldd_dev_gone()
209 	if (test_and_clear_bit(SAS_DEV_FOUND, &dev->state)) {  in sas_notify_lldd_dev_gone()
210 		i->dft->lldd_dev_gone(dev);  in sas_notify_lldd_dev_gone()
211 		sas_put_device(dev);  in sas_notify_lldd_dev_gone()
217 	struct domain_device *dev, *n;  in sas_probe_devices()  local
224 	list_for_each_entry(dev, &port->disco_list, disco_list_node) {  in sas_probe_devices()
226 		list_add_tail(&dev->dev_list_node, &port->dev_list);  in sas_probe_devices()
232 	list_for_each_entry_safe(dev, n, &port->disco_list, disco_list_node) {  in sas_probe_devices()
235 		err = sas_rphy_add(dev->rphy);  in sas_probe_devices()
237 			sas_fail_probe(dev, __func__, err);  in sas_probe_devices()
239 			list_del_init(&dev->disco_list_node);  in sas_probe_devices()
246 	struct domain_device *dev;  in sas_suspend_devices()  local
260 	list_for_each_entry(dev, &port->dev_list, dev_list_node)  in sas_suspend_devices()
261 		sas_notify_lldd_dev_gone(dev);  in sas_suspend_devices()
290 int sas_discover_end_dev(struct domain_device *dev)  in sas_discover_end_dev()  argument
294 	res = sas_notify_lldd_dev_found(dev);  in sas_discover_end_dev()
297 	sas_discover_event(dev->port, DISCE_PROBE);  in sas_discover_end_dev()
306 	struct domain_device *dev = container_of(kref, typeof(*dev), kref);  in sas_free_device()  local
308 	put_device(&dev->rphy->dev);  in sas_free_device()
309 	dev->rphy = NULL;  in sas_free_device()
311 	if (dev->parent)  in sas_free_device()
312 		sas_put_device(dev->parent);  in sas_free_device()
314 	sas_port_put_phy(dev->phy);  in sas_free_device()
315 	dev->phy = NULL;  in sas_free_device()
318 	if (dev->dev_type == SAS_EDGE_EXPANDER_DEVICE || dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)  in sas_free_device()
319 		kfree(dev->ex_dev.ex_phy);  in sas_free_device()
321 	if (dev_is_sata(dev) && dev->sata_dev.ap) {  in sas_free_device()
322 		ata_sas_port_destroy(dev->sata_dev.ap);  in sas_free_device()
323 		dev->sata_dev.ap = NULL;  in sas_free_device()
326 	kfree(dev);  in sas_free_device()
329 static void sas_unregister_common_dev(struct asd_sas_port *port, struct domain_device *dev)  in sas_unregister_common_dev()  argument
333 	sas_notify_lldd_dev_gone(dev);  in sas_unregister_common_dev()
334 	if (!dev->parent)  in sas_unregister_common_dev()
335 		dev->port->port_dev = NULL;  in sas_unregister_common_dev()
337 		list_del_init(&dev->siblings);  in sas_unregister_common_dev()
340 	list_del_init(&dev->dev_list_node);  in sas_unregister_common_dev()
341 	if (dev_is_sata(dev))  in sas_unregister_common_dev()
342 		sas_ata_end_eh(dev->sata_dev.ap);  in sas_unregister_common_dev()
346 	if (dev->dev_type == SAS_END_DEVICE &&  in sas_unregister_common_dev()
347 	    !list_empty(&dev->ssp_dev.eh_list_node)) {  in sas_unregister_common_dev()
348 		list_del_init(&dev->ssp_dev.eh_list_node);  in sas_unregister_common_dev()
353 	sas_put_device(dev);  in sas_unregister_common_dev()
358 	struct domain_device *dev, *n;  in sas_destruct_devices()  local
364 	list_for_each_entry_safe(dev, n, &port->destroy_list, disco_list_node) {  in sas_destruct_devices()
365 		list_del_init(&dev->disco_list_node);  in sas_destruct_devices()
367 		sas_remove_children(&dev->rphy->dev);  in sas_destruct_devices()
368 		sas_rphy_delete(dev->rphy);  in sas_destruct_devices()
369 		sas_unregister_common_dev(port, dev);  in sas_destruct_devices()
373 void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev)  in sas_unregister_dev()  argument
375 	if (!test_bit(SAS_DEV_DESTROY, &dev->state) &&  in sas_unregister_dev()
376 	    !list_empty(&dev->disco_list_node)) {  in sas_unregister_dev()
378 		list_del_init(&dev->disco_list_node);  in sas_unregister_dev()
379 		sas_rphy_free(dev->rphy);  in sas_unregister_dev()
380 		sas_unregister_common_dev(port, dev);  in sas_unregister_dev()
384 	if (!test_and_set_bit(SAS_DEV_DESTROY, &dev->state)) {  in sas_unregister_dev()
385 		sas_rphy_unlink(dev->rphy);  in sas_unregister_dev()
386 		list_move_tail(&dev->disco_list_node, &port->destroy_list);  in sas_unregister_dev()
387 		sas_discover_event(dev->port, DISCE_DESTRUCT);  in sas_unregister_dev()
393 	struct domain_device *dev, *n;  in sas_unregister_domain_devices()  local
395 	list_for_each_entry_safe_reverse(dev, n, &port->dev_list, dev_list_node) {  in sas_unregister_domain_devices()
397 			set_bit(SAS_DEV_GONE, &dev->state);  in sas_unregister_domain_devices()
398 		sas_unregister_dev(port, dev);  in sas_unregister_domain_devices()
401 	list_for_each_entry_safe(dev, n, &port->disco_list, disco_list_node)  in sas_unregister_domain_devices()
402 		sas_unregister_dev(port, dev);  in sas_unregister_domain_devices()
408 void sas_device_set_phy(struct domain_device *dev, struct sas_port *port)  in sas_device_set_phy()  argument
413 	if (!dev)  in sas_device_set_phy()
416 	ha = dev->port->ha;  in sas_device_set_phy()
422 		sas_port_put_phy(dev->phy);  in sas_device_set_phy()
423 		dev->phy = new_phy;  in sas_device_set_phy()
441 	struct domain_device *dev;  in sas_discover_domain()  local
454 	dev = port->port_dev;  in sas_discover_domain()
459 	switch (dev->dev_type) {  in sas_discover_domain()
461 		error = sas_discover_end_dev(dev);  in sas_discover_domain()
465 		error = sas_discover_root_expander(dev);  in sas_discover_domain()
470 		error = sas_discover_sata(dev);  in sas_discover_domain()
478 		SAS_DPRINTK("unhandled device %d\n", dev->dev_type);  in sas_discover_domain()
483 		sas_rphy_free(dev->rphy);  in sas_discover_domain()
484 		list_del_init(&dev->disco_list_node);  in sas_discover_domain()
486 		list_del_init(&dev->dev_list_node);  in sas_discover_domain()
489 		sas_put_device(dev);  in sas_discover_domain()