Cross Reference: /drivers/scsi/scsi.c

Lines Matching refs:shost
210  * @shost:	SCSI host whose pool to allocate from
217 scsi_host_alloc_command(struct Scsi_Host *shost, gfp_t gfp_mask)
221 	cmd = scsi_pool_alloc_command(shost->cmd_pool, gfp_mask);
225 	if (scsi_host_get_prot(shost) >= SHOST_DIX_TYPE0_PROTECTION) {
229 			scsi_pool_free_command(shost->cmd_pool, cmd);
239  * @shost: host to transmit command
245 struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask)
247 	struct scsi_cmnd *cmd = scsi_host_alloc_command(shost, gfp_mask);
252 		spin_lock_irqsave(&shost->free_list_lock, flags);
253 		if (likely(!list_empty(&shost->free_list))) {
254 			cmd = list_entry(shost->free_list.next,
258 		spin_unlock_irqrestore(&shost->free_list_lock, flags);
312  * @shost: dev->host
316 void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd,
322 	spin_lock_irqsave(&shost->free_list_lock, flags);
323 	if (unlikely(list_empty(&shost->free_list))) {
324 		list_add(&cmd->list, &shost->free_list);
327 	spin_unlock_irqrestore(&shost->free_list_lock, flags);
330 		scsi_pool_free_command(shost->cmd_pool, cmd);
471  * @shost: host to allocate the freelist for.
479 int scsi_setup_command_freelist(struct Scsi_Host *shost)
482 	const gfp_t gfp_mask = shost->unchecked_isa_dma ? GFP_DMA : GFP_KERNEL;
484 	spin_lock_init(&shost->free_list_lock);
485 	INIT_LIST_HEAD(&shost->free_list);
487 	shost->cmd_pool = scsi_get_host_cmd_pool(gfp_mask);
489 	if (!shost->cmd_pool)
495 	cmd = scsi_host_alloc_command(shost, gfp_mask);
498 		shost->cmd_pool = NULL;
501 	list_add(&cmd->list, &shost->free_list);
507  * @shost: host whose freelist is going to be destroyed
509 void scsi_destroy_command_freelist(struct Scsi_Host *shost)
515 	if (!shost->cmd_pool)
518 	while (!list_empty(&shost->free_list)) {
521 		cmd = list_entry(shost->free_list.next, struct scsi_cmnd, list);
523 		scsi_pool_free_command(shost->cmd_pool, cmd);
525 	shost->cmd_pool = NULL;
526 	scsi_put_host_cmd_pool(shost->unchecked_isa_dma ? GFP_DMA : GFP_KERNEL);
797 	struct Scsi_Host *shost = sdev->host;
811         shost->host_blocked = 0;
1104 struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *shost,
1107 	struct list_head *list = (prev ? &prev->siblings : &shost->__devices);
1111 	spin_lock_irqsave(shost->host_lock, flags);
1112 	while (list->next != &shost->__devices) {
1120 	spin_unlock_irqrestore(shost->host_lock, flags);
1141 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1144 	shost_for_each_device(sdev, shost) {
1160  * protected by shost->host_lock.
1169 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1172 	__shost_for_each_device(sdev, shost) {
1224 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1227 	spin_lock_irqsave(shost->host_lock, flags);
1231 	spin_unlock_irqrestore(shost->host_lock, flags);
1239  * @shost:	SCSI host pointer
1253 struct scsi_device *__scsi_device_lookup(struct Scsi_Host *shost,
1258 	list_for_each_entry(sdev, &shost->__devices, siblings) {
1270  * @shost:	SCSI host pointer
1279 struct scsi_device *scsi_device_lookup(struct Scsi_Host *shost,
1285 	spin_lock_irqsave(shost->host_lock, flags);
1286 	sdev = __scsi_device_lookup(shost, channel, id, lun);
1289 	spin_unlock_irqrestore(shost->host_lock, flags);