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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/scsi/scsi_devinfo.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef _SCSI_SCSI_DEVINFO_H

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#define _SCSI_SCSI_DEVINFO_H

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/*

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 * Flags for SCSI devices that need special treatment

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 */

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/* Only scan LUN 0 */

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#define BLIST_NOLUN		((__force blist_flags_t)(1ULL << 0))

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/* Known to have LUNs, force scanning.

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 * DEPRECATED: Use max_luns=N */

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#define BLIST_FORCELUN		((__force blist_flags_t)(1ULL << 1))

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/* Flag for broken handshaking */

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#define BLIST_BORKEN		((__force blist_flags_t)(1ULL << 2))

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/* unlock by special command */

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#define BLIST_KEY		((__force blist_flags_t)(1ULL << 3))

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/* Do not use LUNs in parallel */

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#define BLIST_SINGLELUN		((__force blist_flags_t)(1ULL << 4))

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/* Buggy Tagged Command Queuing */

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#define BLIST_NOTQ		((__force blist_flags_t)(1ULL << 5))

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/* Non consecutive LUN numbering */

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#define BLIST_SPARSELUN		((__force blist_flags_t)(1ULL << 6))

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/* Avoid LUNS >= 5 */

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#define BLIST_MAX5LUN		((__force blist_flags_t)(1ULL << 7))

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/* Treat as (removable) CD-ROM */

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#define BLIST_ISROM		((__force blist_flags_t)(1ULL << 8))

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/* LUNs past 7 on a SCSI-2 device */

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#define BLIST_LARGELUN		((__force blist_flags_t)(1ULL << 9))

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/* override additional length field */

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#define BLIST_INQUIRY_36	((__force blist_flags_t)(1ULL << 10))

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/* ignore MEDIA CHANGE unit attention after resuming from runtime suspend */

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#define BLIST_IGN_MEDIA_CHANGE	((__force blist_flags_t)(1ULL << 11))

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/* do not do automatic start on add */

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#define BLIST_NOSTARTONADD	((__force blist_flags_t)(1ULL << 12))

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/* do not ask for VPD page size first on some broken targets */

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#define BLIST_NO_VPD_SIZE	((__force blist_flags_t)(1ULL << 13))

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#define __BLIST_UNUSED_14	((__force blist_flags_t)(1ULL << 14))

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#define __BLIST_UNUSED_15	((__force blist_flags_t)(1ULL << 15))

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#define __BLIST_UNUSED_16	((__force blist_flags_t)(1ULL << 16))

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/* try REPORT_LUNS even for SCSI-2 devs (if HBA supports more than 8 LUNs) */

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#define BLIST_REPORTLUN2	((__force blist_flags_t)(1ULL << 17))

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/* don't try REPORT_LUNS scan (SCSI-3 devs) */

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#define BLIST_NOREPORTLUN	((__force blist_flags_t)(1ULL << 18))

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/* don't use PREVENT-ALLOW commands */

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#define BLIST_NOT_LOCKABLE	((__force blist_flags_t)(1ULL << 19))

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/* device is actually for RAID config */

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#define BLIST_NO_ULD_ATTACH	((__force blist_flags_t)(1ULL << 20))

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/* select without ATN */

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#define BLIST_SELECT_NO_ATN	((__force blist_flags_t)(1ULL << 21))

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/* retry HARDWARE_ERROR */

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#define BLIST_RETRY_HWERROR	((__force blist_flags_t)(1ULL << 22))

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/* maximum 512 sector cdb length */

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#define BLIST_MAX_512		((__force blist_flags_t)(1ULL << 23))

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#define __BLIST_UNUSED_24	((__force blist_flags_t)(1ULL << 24))

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/* Disable T10 PI (DIF) */

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#define BLIST_NO_DIF		((__force blist_flags_t)(1ULL << 25))

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/* Ignore SBC-3 VPD pages */

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#define BLIST_SKIP_VPD_PAGES	((__force blist_flags_t)(1ULL << 26))

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#define __BLIST_UNUSED_27	((__force blist_flags_t)(1ULL << 27))

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/* Attempt to read VPD pages */

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#define BLIST_TRY_VPD_PAGES	((__force blist_flags_t)(1ULL << 28))

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/* don't try to issue RSOC */

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#define BLIST_NO_RSOC		((__force blist_flags_t)(1ULL << 29))

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/* maximum 1024 sector cdb length */

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#define BLIST_MAX_1024		((__force blist_flags_t)(1ULL << 30))

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/* Use UNMAP limit for WRITE SAME */

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#define BLIST_UNMAP_LIMIT_WS	((__force blist_flags_t)(1ULL << 31))

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/* Always retry ABORTED_COMMAND with Internal Target Failure */

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#define BLIST_RETRY_ITF		((__force blist_flags_t)(1ULL << 32))

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/* Always retry ABORTED_COMMAND with ASC 0xc1 */

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#define BLIST_RETRY_ASC_C1	((__force blist_flags_t)(1ULL << 33))

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/* Do not query the IO Advice Hints Grouping mode page */

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#define BLIST_SKIP_IO_HINTS	((__force blist_flags_t)(1ULL << 34))

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#define __BLIST_LAST_USED BLIST_SKIP_IO_HINTS

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#define __BLIST_HIGH_UNUSED (~(__BLIST_LAST_USED | \

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			       (__force blist_flags_t) \

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			       ((__force __u64)__BLIST_LAST_USED - 1ULL)))

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#define __BLIST_UNUSED_MASK (__BLIST_UNUSED_14 | \

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			     __BLIST_UNUSED_15 | \

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			     __BLIST_UNUSED_16 | \

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			     __BLIST_UNUSED_24 | \

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			     __BLIST_UNUSED_27 | \

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			     __BLIST_HIGH_UNUSED)

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#endif

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