1 /* SPDX-License-Identifier: GPL-2.0 */
47 				 * originate in the mid-layer) */
84 	/* put union of data structures, for non-simple event types,
90  * struct scsi_vpd - SCSI Vital Product Data
105 	/* the next two are protected by the host->host_lock */
120 	unsigned long queue_ramp_up_period;	/* ramp up period in jiffies */
128 					 * vendor-specific cmd's */
131 	void *hostdata;		/* available to low-level driver */
167 	unsigned tagged_supported:1;	/* Supports SCSI-II tagged queuing */
173 	unsigned use_10_for_rw:1; /* first try 10-byte read / write */
174 	unsigned use_10_for_ms:1; /* first try 10-byte mode sense/select */
205 	unsigned rpm_autosuspend:1;	/* Enable runtime autosuspend at device
249 	to_scsi_device(class_dev->parent)
252 	dev_dbg(&(sdev)->sdev_gendev, fmt, ##a)
270 		if ((scmd)->request->rq_disk)				   \
271 			sdev_dbg((scmd)->device, "[%s] " fmt,		   \
272 				 (scmd)->request->rq_disk->disk_name, ##a);\
274 			sdev_dbg((scmd)->device, fmt, ##a);		   \
324 	void 			*hostdata; /* available to low-level driver */
332 	return to_scsi_target(sdev->sdev_gendev.parent);  in scsi_target()
335 	to_scsi_target(class_dev->parent)
338 	dev_printk(prefix, &(starget)->dev, fmt, ##a)
371  * shost_for_each_device - iterate over all devices of a host
385  * __shost_for_each_device - iterate over all devices of a host (UNLOCKED)
391  * protected by shost->host_lock.
398 	list_for_each_entry((sdev), &((shost)->__devices), siblings)
480 	return device_reprobe(&sdev->sdev_gendev);  in scsi_device_reprobe()
485 	return sdev->channel;  in sdev_channel()
490 	return sdev->id;  in sdev_id()
493 #define scmd_id(scmd) sdev_id((scmd)->device)
494 #define scmd_channel(scmd) sdev_channel((scmd)->device)
501 	return (sdev->sdev_state != SDEV_OFFLINE &&  in scsi_device_online()
502 		sdev->sdev_state != SDEV_TRANSPORT_OFFLINE &&  in scsi_device_online()
503 		sdev->sdev_state != SDEV_DEL);  in scsi_device_online()
507 	return sdev->sdev_state == SDEV_BLOCK ||  in scsi_device_blocked()
508 		sdev->sdev_state == SDEV_CREATED_BLOCK;  in scsi_device_blocked()
512 	return sdev->sdev_state == SDEV_CREATED ||  in scsi_device_created()
513 		sdev->sdev_state == SDEV_CREATED_BLOCK;  in scsi_device_created()
523 	return sdev->sdtr;  in scsi_device_sync()
527 	return sdev->wdtr;  in scsi_device_wide()
531 	return sdev->ppr;  in scsi_device_dt()
535 	if (sdev->inquiry_len < 57)  in scsi_device_dt_only()
537 	return (sdev->inquiry[56] & 0x0c) == 0x04;  in scsi_device_dt_only()
541 	if (sdev->inquiry_len < 57)  in scsi_device_ius()
543 	return sdev->inquiry[56] & 0x01;  in scsi_device_ius()
547 	if (sdev->inquiry_len < 57)  in scsi_device_qas()
549 	return sdev->inquiry[56] & 0x02;  in scsi_device_qas()
553 	return sdev->inquiry ? (sdev->inquiry[6] & (1<<6)) : 1;  in scsi_device_enclosure()
558 	if (sdev->no_dif)  in scsi_device_protection()
561 	return sdev->scsi_level > SCSI_2 && sdev->inquiry[5] & (1<<0);  in scsi_device_protection()
566 	return sdev->inquiry ? (sdev->inquiry[5] >> 4) & 0x3 : 0;  in scsi_device_tpgs()
570  * scsi_device_supports_vpd - test if a device supports VPD pages
575  * SCSI level is at least SPC-3 and 'skip_vpd_pages' is not set.
582 	if (sdev->try_vpd_pages)  in scsi_device_supports_vpd()
585 	 * Although VPD inquiries can go to SCSI-2 type devices,  in scsi_device_supports_vpd()
587 	 * we currently ask for are mandatory for SPC-2 and beyond  in scsi_device_supports_vpd()
589 	if (sdev->scsi_level >= SCSI_SPC_2 && !sdev->skip_vpd_pages)  in scsi_device_supports_vpd()
595 	MODULE_ALIAS("scsi:t-" __stringify(type) "*")
596 #define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x"