include/scsi/scsi.h

1 /* SPDX-License-Identifier: GPL-2.0 */
23  * DIX-capable adapters effectively support infinite chaining for the
35  * standard mode-select header prepended to all mode-select commands
40 	__u8 medium;		/* device-specific medium type */
43 	__u8 density;		/* device-specific density code */
54  * The Well Known LUNS (SAM-3) in our int representation of a LUN
67  * scsi_status_is_check_condition - check the status return.
87 #define     EXTENDED_EXTENDED_IDENTIFY      0x02    /* SCSI-I only */
122  *      host_byte   = set by low-level driver to indicate status.
127 #define sense_class(sense)  (((sense) >> 4) & 0x7)  argument
128 #define sense_error(sense)  ((sense) & 0xf)  argument
129 #define sense_valid(sense)  ((sense) & 0x80)  argument
148  *  prior to SCSI-2 (i.e. over 12 years old) this value is (resp[2] + 1)
175  * Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395
192 /** scsi_status_is_good - check the status return.
209 	 * FIXME: bit0 is listed as reserved in SCSI-2, but is  in scsi_status_is_good()
210 	 * significant in SCSI-3.  For now, we follow the SCSI-2  in scsi_status_is_good()
216 		/* Next two "intermediate" statuses are obsolete in SAM-4 */  in scsi_status_is_good()
219 		/* FIXME: this is obsolete in SAM-3 */  in scsi_status_is_good()