135 scsi_host_free_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd)  in scsi_host_free_command()  argument
137 	struct scsi_host_cmd_pool *pool = shost->cmd_pool;  in scsi_host_free_command()
154 scsi_host_alloc_command(struct Scsi_Host *shost, gfp_t gfp_mask)  in scsi_host_alloc_command()  argument
156 	struct scsi_host_cmd_pool *pool = shost->cmd_pool;  in scsi_host_alloc_command()
168 	if (scsi_host_get_prot(shost) >= SHOST_DIX_TYPE0_PROTECTION) {  in scsi_host_alloc_command()
193 __scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask)  in __scsi_get_command()  argument
195 	struct scsi_cmnd *cmd = scsi_host_alloc_command(shost, gfp_mask);  in __scsi_get_command()
200 		spin_lock_irqsave(&shost->free_list_lock, flags);  in __scsi_get_command()
201 		if (likely(!list_empty(&shost->free_list))) {  in __scsi_get_command()
202 			cmd = list_entry(shost->free_list.next,  in __scsi_get_command()
206 		spin_unlock_irqrestore(&shost->free_list_lock, flags);  in __scsi_get_command()
254 static void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd)  in __scsi_put_command()  argument
258 	if (unlikely(list_empty(&shost->free_list))) {  in __scsi_put_command()
259 		spin_lock_irqsave(&shost->free_list_lock, flags);  in __scsi_put_command()
260 		if (list_empty(&shost->free_list)) {  in __scsi_put_command()
261 			list_add(&cmd->list, &shost->free_list);  in __scsi_put_command()
264 		spin_unlock_irqrestore(&shost->free_list_lock, flags);  in __scsi_put_command()
268 		scsi_host_free_command(shost, cmd);  in __scsi_put_command()
295 scsi_find_host_cmd_pool(struct Scsi_Host *shost)  in scsi_find_host_cmd_pool()  argument
297 	if (shost->hostt->cmd_size)  in scsi_find_host_cmd_pool()
298 		return shost->hostt->cmd_pool;  in scsi_find_host_cmd_pool()
299 	if (shost->unchecked_isa_dma)  in scsi_find_host_cmd_pool()
313 scsi_alloc_host_cmd_pool(struct Scsi_Host *shost)  in scsi_alloc_host_cmd_pool()  argument
315 	struct scsi_host_template *hostt = shost->hostt;  in scsi_alloc_host_cmd_pool()
330 	if (shost->unchecked_isa_dma) {  in scsi_alloc_host_cmd_pool()
342 scsi_get_host_cmd_pool(struct Scsi_Host *shost)  in scsi_get_host_cmd_pool()  argument
344 	struct scsi_host_template *hostt = shost->hostt;  in scsi_get_host_cmd_pool()
353 	pool = scsi_find_host_cmd_pool(shost);  in scsi_get_host_cmd_pool()
355 		pool = scsi_alloc_host_cmd_pool(shost);  in scsi_get_host_cmd_pool()
389 static void scsi_put_host_cmd_pool(struct Scsi_Host *shost)  in scsi_put_host_cmd_pool()  argument
391 	struct scsi_host_template *hostt = shost->hostt;  in scsi_put_host_cmd_pool()
395 	pool = scsi_find_host_cmd_pool(shost);  in scsi_put_host_cmd_pool()
425 int scsi_setup_command_freelist(struct Scsi_Host *shost)  in scsi_setup_command_freelist()  argument
427 	const gfp_t gfp_mask = shost->unchecked_isa_dma ? GFP_DMA : GFP_KERNEL;  in scsi_setup_command_freelist()
430 	spin_lock_init(&shost->free_list_lock);  in scsi_setup_command_freelist()
431 	INIT_LIST_HEAD(&shost->free_list);  in scsi_setup_command_freelist()
433 	shost->cmd_pool = scsi_get_host_cmd_pool(shost);  in scsi_setup_command_freelist()
434 	if (!shost->cmd_pool)  in scsi_setup_command_freelist()
440 	cmd = scsi_host_alloc_command(shost, gfp_mask);  in scsi_setup_command_freelist()
442 		scsi_put_host_cmd_pool(shost);  in scsi_setup_command_freelist()
443 		shost->cmd_pool = NULL;  in scsi_setup_command_freelist()
446 	list_add(&cmd->list, &shost->free_list);  in scsi_setup_command_freelist()
454 void scsi_destroy_command_freelist(struct Scsi_Host *shost)  in scsi_destroy_command_freelist()  argument
460 	if (!shost->cmd_pool)  in scsi_destroy_command_freelist()
463 	while (!list_empty(&shost->free_list)) {  in scsi_destroy_command_freelist()
466 		cmd = list_entry(shost->free_list.next, struct scsi_cmnd, list);  in scsi_destroy_command_freelist()
468 		scsi_host_free_command(shost, cmd);  in scsi_destroy_command_freelist()
470 	shost->cmd_pool = NULL;  in scsi_destroy_command_freelist()
471 	scsi_put_host_cmd_pool(shost);  in scsi_destroy_command_freelist()
564 	struct Scsi_Host *shost = sdev->host;  in scsi_finish_command()  local
574 	if (atomic_read(&shost->host_blocked))  in scsi_finish_command()
575 		atomic_set(&shost->host_blocked, 0);  in scsi_finish_command()
945 struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *shost,  in __scsi_iterate_devices()  argument
948 	struct list_head *list = (prev ? &prev->siblings : &shost->__devices);  in __scsi_iterate_devices()
952 	spin_lock_irqsave(shost->host_lock, flags);  in __scsi_iterate_devices()
953 	while (list->next != &shost->__devices) {  in __scsi_iterate_devices()
961 	spin_unlock_irqrestore(shost->host_lock, flags);  in __scsi_iterate_devices()
982 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in starget_for_each_device()  local
985 	shost_for_each_device(sdev, shost) {  in starget_for_each_device()
1010 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in __starget_for_each_device()  local
1013 	__shost_for_each_device(sdev, shost) {  in __starget_for_each_device()
1065 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_device_lookup_by_target()  local
1068 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_device_lookup_by_target()
1072 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_device_lookup_by_target()
1094 struct scsi_device *__scsi_device_lookup(struct Scsi_Host *shost,  in __scsi_device_lookup()  argument
1099 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in __scsi_device_lookup()
1120 struct scsi_device *scsi_device_lookup(struct Scsi_Host *shost,  in scsi_device_lookup()  argument
1126 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_device_lookup()
1127 	sdev = __scsi_device_lookup(shost, channel, id, lun);  in scsi_device_lookup()
1130 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_device_lookup()