181 scsi_host_free_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd)  in scsi_host_free_command()  argument
183 	struct scsi_host_cmd_pool *pool = shost->cmd_pool;  in scsi_host_free_command()
200 scsi_host_alloc_command(struct Scsi_Host *shost, gfp_t gfp_mask)  in scsi_host_alloc_command()  argument
202 	struct scsi_host_cmd_pool *pool = shost->cmd_pool;  in scsi_host_alloc_command()
214 	if (scsi_host_get_prot(shost) >= SHOST_DIX_TYPE0_PROTECTION) {  in scsi_host_alloc_command()
239 __scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask)  in __scsi_get_command()  argument
241 	struct scsi_cmnd *cmd = scsi_host_alloc_command(shost, gfp_mask);  in __scsi_get_command()
246 		spin_lock_irqsave(&shost->free_list_lock, flags);  in __scsi_get_command()
247 		if (likely(!list_empty(&shost->free_list))) {  in __scsi_get_command()
248 			cmd = list_entry(shost->free_list.next,  in __scsi_get_command()
252 		spin_unlock_irqrestore(&shost->free_list_lock, flags);  in __scsi_get_command()
300 static void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd)  in __scsi_put_command()  argument
304 	if (unlikely(list_empty(&shost->free_list))) {  in __scsi_put_command()
305 		spin_lock_irqsave(&shost->free_list_lock, flags);  in __scsi_put_command()
306 		if (list_empty(&shost->free_list)) {  in __scsi_put_command()
307 			list_add(&cmd->list, &shost->free_list);  in __scsi_put_command()
310 		spin_unlock_irqrestore(&shost->free_list_lock, flags);  in __scsi_put_command()
314 		scsi_host_free_command(shost, cmd);  in __scsi_put_command()
341 scsi_find_host_cmd_pool(struct Scsi_Host *shost)  in scsi_find_host_cmd_pool()  argument
343 	if (shost->hostt->cmd_size)  in scsi_find_host_cmd_pool()
344 		return shost->hostt->cmd_pool;  in scsi_find_host_cmd_pool()
345 	if (shost->unchecked_isa_dma)  in scsi_find_host_cmd_pool()
359 scsi_alloc_host_cmd_pool(struct Scsi_Host *shost)  in scsi_alloc_host_cmd_pool()  argument
361 	struct scsi_host_template *hostt = shost->hostt;  in scsi_alloc_host_cmd_pool()
376 	if (shost->unchecked_isa_dma) {  in scsi_alloc_host_cmd_pool()
388 scsi_get_host_cmd_pool(struct Scsi_Host *shost)  in scsi_get_host_cmd_pool()  argument
390 	struct scsi_host_template *hostt = shost->hostt;  in scsi_get_host_cmd_pool()
399 	pool = scsi_find_host_cmd_pool(shost);  in scsi_get_host_cmd_pool()
401 		pool = scsi_alloc_host_cmd_pool(shost);  in scsi_get_host_cmd_pool()
435 static void scsi_put_host_cmd_pool(struct Scsi_Host *shost)  in scsi_put_host_cmd_pool()  argument
437 	struct scsi_host_template *hostt = shost->hostt;  in scsi_put_host_cmd_pool()
441 	pool = scsi_find_host_cmd_pool(shost);  in scsi_put_host_cmd_pool()
471 int scsi_setup_command_freelist(struct Scsi_Host *shost)  in scsi_setup_command_freelist()  argument
473 	const gfp_t gfp_mask = shost->unchecked_isa_dma ? GFP_DMA : GFP_KERNEL;  in scsi_setup_command_freelist()
476 	spin_lock_init(&shost->free_list_lock);  in scsi_setup_command_freelist()
477 	INIT_LIST_HEAD(&shost->free_list);  in scsi_setup_command_freelist()
479 	shost->cmd_pool = scsi_get_host_cmd_pool(shost);  in scsi_setup_command_freelist()
480 	if (!shost->cmd_pool)  in scsi_setup_command_freelist()
486 	cmd = scsi_host_alloc_command(shost, gfp_mask);  in scsi_setup_command_freelist()
488 		scsi_put_host_cmd_pool(shost);  in scsi_setup_command_freelist()
489 		shost->cmd_pool = NULL;  in scsi_setup_command_freelist()
492 	list_add(&cmd->list, &shost->free_list);  in scsi_setup_command_freelist()
500 void scsi_destroy_command_freelist(struct Scsi_Host *shost)  in scsi_destroy_command_freelist()  argument
506 	if (!shost->cmd_pool)  in scsi_destroy_command_freelist()
509 	while (!list_empty(&shost->free_list)) {  in scsi_destroy_command_freelist()
512 		cmd = list_entry(shost->free_list.next, struct scsi_cmnd, list);  in scsi_destroy_command_freelist()
514 		scsi_host_free_command(shost, cmd);  in scsi_destroy_command_freelist()
516 	shost->cmd_pool = NULL;  in scsi_destroy_command_freelist()
517 	scsi_put_host_cmd_pool(shost);  in scsi_destroy_command_freelist()
610 	struct Scsi_Host *shost = sdev->host;  in scsi_finish_command()  local
620 	if (atomic_read(&shost->host_blocked))  in scsi_finish_command()
621 		atomic_set(&shost->host_blocked, 0);  in scsi_finish_command()
1012 struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *shost,  in __scsi_iterate_devices()  argument
1015 	struct list_head *list = (prev ? &prev->siblings : &shost->__devices);  in __scsi_iterate_devices()
1019 	spin_lock_irqsave(shost->host_lock, flags);  in __scsi_iterate_devices()
1020 	while (list->next != &shost->__devices) {  in __scsi_iterate_devices()
1028 	spin_unlock_irqrestore(shost->host_lock, flags);  in __scsi_iterate_devices()
1049 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in starget_for_each_device()  local
1052 	shost_for_each_device(sdev, shost) {  in starget_for_each_device()
1077 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in __starget_for_each_device()  local
1080 	__shost_for_each_device(sdev, shost) {  in __starget_for_each_device()
1132 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_device_lookup_by_target()  local
1135 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_device_lookup_by_target()
1139 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_device_lookup_by_target()
1161 struct scsi_device *__scsi_device_lookup(struct Scsi_Host *shost,  in __scsi_device_lookup()  argument
1166 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in __scsi_device_lookup()
1187 struct scsi_device *scsi_device_lookup(struct Scsi_Host *shost,  in scsi_device_lookup()  argument
1193 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_device_lookup()
1194 	sdev = __scsi_device_lookup(shost, channel, id, lun);  in scsi_device_lookup()
1197 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_device_lookup()