181 scsi_host_free_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd)  in scsi_host_free_command()  argument
185 	if (cmd->prot_sdb)  in scsi_host_free_command()
186 		kmem_cache_free(scsi_sdb_cache, cmd->prot_sdb);  in scsi_host_free_command()
187 	kmem_cache_free(pool->sense_slab, cmd->sense_buffer);  in scsi_host_free_command()
188 	kmem_cache_free(pool->cmd_slab, cmd);  in scsi_host_free_command()
203 	struct scsi_cmnd *cmd;  in scsi_host_alloc_command()  local
205 	cmd = kmem_cache_zalloc(pool->cmd_slab, gfp_mask | pool->gfp_mask);  in scsi_host_alloc_command()
206 	if (!cmd)  in scsi_host_alloc_command()
209 	cmd->sense_buffer = kmem_cache_alloc(pool->sense_slab,  in scsi_host_alloc_command()
211 	if (!cmd->sense_buffer)  in scsi_host_alloc_command()
215 		cmd->prot_sdb = kmem_cache_zalloc(scsi_sdb_cache, gfp_mask);  in scsi_host_alloc_command()
216 		if (!cmd->prot_sdb)  in scsi_host_alloc_command()
220 	return cmd;  in scsi_host_alloc_command()
223 	kmem_cache_free(pool->sense_slab, cmd->sense_buffer);  in scsi_host_alloc_command()
225 	kmem_cache_free(pool->cmd_slab, cmd);  in scsi_host_alloc_command()
241 	struct scsi_cmnd *cmd = scsi_host_alloc_command(shost, gfp_mask);  in __scsi_get_command()  local
243 	if (unlikely(!cmd)) {  in __scsi_get_command()
248 			cmd = list_entry(shost->free_list.next,  in __scsi_get_command()
250 			list_del_init(&cmd->list);  in __scsi_get_command()
254 		if (cmd) {  in __scsi_get_command()
257 			buf = cmd->sense_buffer;  in __scsi_get_command()
258 			prot = cmd->prot_sdb;  in __scsi_get_command()
260 			memset(cmd, 0, sizeof(*cmd));  in __scsi_get_command()
262 			cmd->sense_buffer = buf;  in __scsi_get_command()
263 			cmd->prot_sdb = prot;  in __scsi_get_command()
267 	return cmd;  in __scsi_get_command()
279 	struct scsi_cmnd *cmd = __scsi_get_command(dev->host, gfp_mask);  in scsi_get_command()  local
282 	if (unlikely(cmd == NULL))  in scsi_get_command()
285 	cmd->device = dev;  in scsi_get_command()
286 	INIT_LIST_HEAD(&cmd->list);  in scsi_get_command()
287 	INIT_DELAYED_WORK(&cmd->abort_work, scmd_eh_abort_handler);  in scsi_get_command()
289 	list_add_tail(&cmd->list, &dev->cmd_list);  in scsi_get_command()
291 	cmd->jiffies_at_alloc = jiffies;  in scsi_get_command()
292 	return cmd;  in scsi_get_command()
300 static void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd)  in __scsi_put_command()  argument
307 			list_add(&cmd->list, &shost->free_list);  in __scsi_put_command()
308 			cmd = NULL;  in __scsi_put_command()
313 	if (likely(cmd != NULL))  in __scsi_put_command()
314 		scsi_host_free_command(shost, cmd);  in __scsi_put_command()
325 void scsi_put_command(struct scsi_cmnd *cmd)  in scsi_put_command()  argument
330 	spin_lock_irqsave(&cmd->device->list_lock, flags);  in scsi_put_command()
331 	BUG_ON(list_empty(&cmd->list));  in scsi_put_command()
332 	list_del_init(&cmd->list);  in scsi_put_command()
333 	spin_unlock_irqrestore(&cmd->device->list_lock, flags);  in scsi_put_command()
335 	BUG_ON(delayed_work_pending(&cmd->abort_work));  in scsi_put_command()
337 	__scsi_put_command(cmd->device->host, cmd);  in scsi_put_command()
474 	struct scsi_cmnd *cmd;  in scsi_setup_command_freelist()  local
486 	cmd = scsi_host_alloc_command(shost, gfp_mask);  in scsi_setup_command_freelist()
487 	if (!cmd) {  in scsi_setup_command_freelist()
492 	list_add(&cmd->list, &shost->free_list);  in scsi_setup_command_freelist()
510 		struct scsi_cmnd *cmd;  in scsi_destroy_command_freelist()  local
512 		cmd = list_entry(shost->free_list.next, struct scsi_cmnd, list);  in scsi_destroy_command_freelist()
513 		list_del_init(&cmd->list);  in scsi_destroy_command_freelist()
514 		scsi_host_free_command(shost, cmd);  in scsi_destroy_command_freelist()
521 void scsi_log_send(struct scsi_cmnd *cmd)  in scsi_log_send()  argument
540 			scmd_printk(KERN_INFO, cmd,  in scsi_log_send()
541 				    "Send: scmd 0x%p\n", cmd);  in scsi_log_send()
542 			scsi_print_command(cmd);  in scsi_log_send()
547 void scsi_log_completion(struct scsi_cmnd *cmd, int disposition)  in scsi_log_completion()  argument
566 		if (((level > 0) && (cmd->result || disposition != SUCCESS)) ||  in scsi_log_completion()
568 			scsi_print_result(cmd, "Done", disposition);  in scsi_log_completion()
569 			scsi_print_command(cmd);  in scsi_log_completion()
570 			if (status_byte(cmd->result) & CHECK_CONDITION)  in scsi_log_completion()
571 				scsi_print_sense(cmd);  in scsi_log_completion()
573 				scmd_printk(KERN_INFO, cmd,  in scsi_log_completion()
575 					    atomic_read(&cmd->device->host->host_busy),  in scsi_log_completion()
576 					    cmd->device->host->host_failed);  in scsi_log_completion()
590 void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd *cmd)  in scsi_cmd_get_serial()  argument
592 	cmd->serial_number = host->cmd_serial_number++;  in scsi_cmd_get_serial()
593 	if (cmd->serial_number == 0)   in scsi_cmd_get_serial()
594 		cmd->serial_number = host->cmd_serial_number++;  in scsi_cmd_get_serial()
606 void scsi_finish_command(struct scsi_cmnd *cmd)  in scsi_finish_command()  argument
608 	struct scsi_device *sdev = cmd->device;  in scsi_finish_command()
631 	if (SCSI_SENSE_VALID(cmd))  in scsi_finish_command()
632 		cmd->result |= (DRIVER_SENSE << 24);  in scsi_finish_command()
636 				"(result %x)\n", cmd->result));  in scsi_finish_command()
638 	good_bytes = scsi_bufflen(cmd);  in scsi_finish_command()
639         if (cmd->request->cmd_type != REQ_TYPE_BLOCK_PC) {  in scsi_finish_command()
641 		drv = scsi_cmd_to_driver(cmd);  in scsi_finish_command()
643 			good_bytes = drv->done(cmd);  in scsi_finish_command()
651 			good_bytes -= scsi_get_resid(cmd);  in scsi_finish_command()
653 	scsi_io_completion(cmd, good_bytes);  in scsi_finish_command()
756 	unsigned char cmd[16];  in scsi_vpd_inquiry()  local
761 	cmd[0] = INQUIRY;  in scsi_vpd_inquiry()
762 	cmd[1] = 1;		/* EVPD */  in scsi_vpd_inquiry()
763 	cmd[2] = page;  in scsi_vpd_inquiry()
764 	cmd[3] = len >> 8;  in scsi_vpd_inquiry()
765 	cmd[4] = len & 0xff;  in scsi_vpd_inquiry()
766 	cmd[5] = 0;		/* Control byte */  in scsi_vpd_inquiry()
772 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer,  in scsi_vpd_inquiry()
938 	unsigned char cmd[16];  in scsi_report_opcode()  local
945 	memset(cmd, 0, 16);  in scsi_report_opcode()
946 	cmd[0] = MAINTENANCE_IN;  in scsi_report_opcode()
947 	cmd[1] = MI_REPORT_SUPPORTED_OPERATION_CODES;  in scsi_report_opcode()
948 	cmd[2] = 1;		/* One command format */  in scsi_report_opcode()
949 	cmd[3] = opcode;  in scsi_report_opcode()
950 	put_unaligned_be32(len, &cmd[6]);  in scsi_report_opcode()
953 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,  in scsi_report_opcode()