2 * Largely written by Julian Elischer (julian@tfs.com)
3 * for TRW Financial Systems.
5 * TRW Financial Systems, in accordance with their agreement with Carnegie
6 * Mellon University, makes this software available to CMU to distribute
7 * or use in any manner that they see fit as long as this message is kept with
8 * the software. For this reason TFS also grants any other persons or
9 * organisations permission to use or modify this software.
11 * TFS supplies this software to be publicly redistributed
12 * on the understanding that TFS is not responsible for the correct
13 * functioning of this software in any circumstances.
15 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
17 * $FreeBSD: src/sys/cam/scsi/scsi_all.h,v 1.14.2.4 2002/10/11 20:38:28 ken Exp $
21 * SCSI general interface description
24 #ifndef _SCSI_SCSI_ALL_H
25 #define _SCSI_SCSI_ALL_H 1
27 #include <sys/cdefs.h>
32 * This is the number of seconds we wait for devices to settle after a SCSI
36 #define SCSI_DELAY 2000
39 * If someone sets this to 0, we assume that they want the minimum
40 * allowable bus settle delay. All devices need _some_ sort of bus settle
41 * delay, so we'll set it to a minimum value of 100ms.
45 #define SCSI_DELAY 100
49 * Make sure the user isn't using seconds instead of milliseconds.
51 #if (SCSI_DELAY < 100)
52 #error "SCSI_DELAY is in milliseconds, not seconds! Please use a larger value"
61 * Define dome bits that are in ALL (or a lot of) scsi commands
63 #define SCSI_CTL_LINK 0x01
64 #define SCSI_CTL_FLAG 0x02
65 #define SCSI_CTL_VENDOR 0xC0
66 #define SCSI_CMD_LUN 0xA0 /* these two should not be needed */
67 #define SCSI_CMD_LUN_SHIFT 5 /* LUN in the cmd is no longer SCSI */
69 #define SCSI_MAX_CDBLEN 16 /*
70 * 16 byte commands are in the
73 #if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN)
74 #error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN"
77 /* 6byte CDBs special case 0 length to be 256 */
78 #define SCSI_CDB6_LEN(len) ((len) == 0 ? 256 : len)
81 * This type defines actions to be taken when a particular sense code is
82 * received. Right now, these flags are only defined to take up 16 bits,
83 * but can be expanded in the future if necessary.
86 SS_NOP = 0x000000, /* Do nothing */
87 SS_RETRY = 0x010000, /* Retry the command */
88 SS_FAIL = 0x020000, /* Bail out */
89 SS_START = 0x030000, /* Send a Start Unit command to the device,
90 * then retry the original command.
92 SS_TUR = 0x040000, /* Send a Test Unit Ready command to the
93 * device, then retry the original command.
95 SS_MANUAL = 0x050000, /*
96 * This error must be handled manually,
97 * i.e. the code must look at the asc and
98 * ascq values and determine the proper
101 SS_TURSTART = 0x060000, /*
102 * Send a Test Unit Ready command to the
103 * device, and if that fails, send a start
111 SSQ_DECREMENT_COUNT = 0x0100, /* Decrement the retry count */
112 SSQ_MANY = 0x0200, /* send lots of recovery commands */
113 SSQ_RANGE = 0x0400, /*
114 * Yes, this is a hack. Basically,
115 * if this flag is set then it
116 * represents an ascq range. The
117 * "correct" way to implement the
118 * ranges might be to add a special
119 * field to the sense code table,
120 * but that would take up a lot of
121 * additional space. This solution
122 * isn't as elegant, but is more
125 SSQ_PRINT_SENSE = 0x0800,
127 } scsi_sense_action_qualifier;
129 /* Mask for error status values */
130 #define SS_ERRMASK 0xff
132 /* The default error action */
133 #define SS_DEF SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO
135 /* Default error action, without an error return value */
136 #define SS_NEDEF SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
138 /* Default error action, without sense printing or an error return value */
139 #define SS_NEPDEF SS_RETRY|SSQ_DECREMENT_COUNT
147 struct scsi_request_sense
156 struct scsi_test_unit_ready
164 struct scsi_send_diag
170 #define SSD_SELFTEST 0x04
173 u_int8_t paramlen[2];
197 struct scsi_mode_sense_6
203 #define SMS_PAGE_CODE 0x3F
204 #define SMS_VENDOR_SPECIFIC_PAGE 0x00
205 #define SMS_DISCONNECT_RECONNECT_PAGE 0x02
206 #define SMS_PERIPHERAL_DEVICE_PAGE 0x09
207 #define SMS_CONTROL_MODE_PAGE 0x0A
208 #define SMS_ALL_PAGES_PAGE 0x3F
209 #define SMS_PAGE_CTRL_MASK 0xC0
210 #define SMS_PAGE_CTRL_CURRENT 0x00
211 #define SMS_PAGE_CTRL_CHANGEABLE 0x40
212 #define SMS_PAGE_CTRL_DEFAULT 0x80
213 #define SMS_PAGE_CTRL_SAVED 0xC0
219 struct scsi_mode_sense_10
222 u_int8_t byte2; /* same bits as small version */
223 u_int8_t page; /* same bits as small version */
229 struct scsi_mode_select_6
240 struct scsi_mode_select_10
243 u_int8_t byte2; /* same bits as small version */
250 * When sending a mode select to a tape drive, the medium type must be 0.
252 struct scsi_mode_hdr_6
255 u_int8_t medium_type;
256 u_int8_t dev_specific;
257 u_int8_t block_descr_len;
260 struct scsi_mode_hdr_10
263 u_int8_t medium_type;
264 u_int8_t dev_specific;
265 u_int8_t reserved[2];
266 u_int8_t block_descr_len[2];
269 struct scsi_mode_block_descr
271 u_int8_t density_code;
272 u_int8_t num_blocks[3];
274 u_int8_t block_len[3];
277 struct scsi_control_page {
279 u_int8_t page_length;
281 #define SCB_RLEC 0x01 /*Report Log Exception Cond*/
282 u_int8_t queue_flags;
283 #define SCP_QUEUE_ALG_MASK 0xF0
284 #define SCP_QUEUE_ALG_RESTRICTED 0x00
285 #define SCP_QUEUE_ALG_UNRESTRICTED 0x10
286 #define SCP_QUEUE_ERR 0x02 /*Queued I/O aborted for CACs*/
287 #define SCP_QUEUE_DQUE 0x01 /*Queued I/O disabled*/
288 u_int8_t eca_and_aen;
289 #define SCP_EECA 0x80 /*Enable Extended CA*/
290 #define SCP_RAENP 0x04 /*Ready AEN Permission*/
291 #define SCP_UAAENP 0x02 /*UA AEN Permission*/
292 #define SCP_EAENP 0x01 /*Error AEN Permission*/
294 u_int8_t aen_holdoff_period[2];
323 #define PR_PREVENT 0x01
324 #define PR_ALLOW 0x00
326 struct scsi_sync_cache
330 u_int8_t begin_lba[4];
332 u_int8_t lb_count[2];
337 struct scsi_changedef
348 struct scsi_read_buffer
352 #define RWB_MODE 0x07
353 #define RWB_MODE_HDR_DATA 0x00
354 #define RWB_MODE_DATA 0x02
355 #define RWB_MODE_DOWNLOAD 0x04
356 #define RWB_MODE_DOWNLOAD_SAVE 0x05
363 struct scsi_write_buffer
377 /* only 5 bits are valid in the MSB address byte */
378 #define SRW_TOPADDR 0x1F
386 #define SRW10_RELADDR 0x01
387 #define SRW10_FUA 0x08
388 #define SRW10_DPO 0x10
399 #define SRW12_RELADDR 0x01
400 #define SRW12_FUA 0x08
401 #define SRW12_DPO 0x10
409 struct scsi_start_stop_unit
413 #define SSS_IMMED 0x01
414 u_int8_t reserved[2];
416 #define SSS_START 0x01
417 #define SSS_LOEJ 0x02
421 #define SC_SCSI_1 0x01
422 #define SC_SCSI_2 0x03
428 #define TEST_UNIT_READY 0x00
429 #define REQUEST_SENSE 0x03
433 #define MODE_SELECT_6 0x15
434 #define MODE_SENSE_6 0x1a
435 #define START_STOP_UNIT 0x1b
436 #define START_STOP 0x1b
439 #define RECEIVE_DIAGNOSTIC 0x1c
440 #define SEND_DIAGNOSTIC 0x1d
441 #define PREVENT_ALLOW 0x1e
442 #define READ_CAPACITY 0x25
444 #define WRITE_10 0x2a
445 #define POSITION_TO_ELEMENT 0x2b
446 #define SYNCHRONIZE_CACHE 0x35
447 #define WRITE_BUFFER 0x3b
448 #define READ_BUFFER 0x3c
449 #define CHANGE_DEFINITION 0x40
450 #define MODE_SELECT_10 0x55
451 #define MODE_SENSE_10 0x5A
452 #define MOVE_MEDIUM 0xa5
454 #define WRITE_12 0xaa
455 #define READ_ELEMENT_STATUS 0xb8
461 #define T_DIRECT 0x00
462 #define T_SEQUENTIAL 0x01
463 #define T_PRINTER 0x02
464 #define T_PROCESSOR 0x03
467 #define T_SCANNER 0x06
468 #define T_OPTICAL 0x07
469 #define T_CHANGER 0x08
473 #define T_STORARRAY 0x0c
474 #define T_ENCLOSURE 0x0d
477 #define T_NODEVICE 0x1F
478 #define T_ANY 0xFF /* Used in Quirk table matches */
484 * This length is the initial inquiry length used by the probe code, as
485 * well as the legnth necessary for scsi_print_inquiry() to function
486 * correctly. If either use requires a different length in the future,
487 * the two values should be de-coupled.
489 #define SHORT_INQUIRY_LENGTH 36
491 struct scsi_inquiry_data
494 #define SID_TYPE(inq_data) ((inq_data)->device & 0x1f)
495 #define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5)
496 #define SID_QUAL_LU_CONNECTED 0x00 /* The specified peripheral device
497 * type is currently connected to
498 * logical unit. If the target cannot
499 * determine whether or not a physical
500 * device is currently connected, it
501 * shall also use this peripheral
502 * qualifier when returning the INQUIRY
503 * data. This peripheral qualifier
504 * does not mean that the device is
505 * ready for access by the initiator.
507 #define SID_QUAL_LU_OFFLINE 0x01 /* The target is capable of supporting
508 * the specified peripheral device type
509 * on this logical unit; however, the
510 * physical device is not currently
511 * connected to this logical unit.
513 #define SID_QUAL_RSVD 0x02
514 #define SID_QUAL_BAD_LU 0x03 /* The target is not capable of
515 * supporting a physical device on
516 * this logical unit. For this
517 * peripheral qualifier the peripheral
518 * device type shall be set to 1Fh to
519 * provide compatibility with previous
520 * versions of SCSI. All other
521 * peripheral device type values are
522 * reserved for this peripheral
525 #define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0)
527 #define SID_QUAL2 0x7F
528 #define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0)
530 #define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07)
532 #define SCSI_REV_CCS 1
535 #define SCSI_REV_SPC2 4
537 #define SID_ECMA 0x38
539 u_int8_t response_format;
540 #define SID_AENC 0x80
541 #define SID_TrmIOP 0x40
542 u_int8_t additional_length;
543 u_int8_t reserved[2];
545 #define SID_SftRe 0x01
546 #define SID_CmdQue 0x02
547 #define SID_Linked 0x08
548 #define SID_Sync 0x10
549 #define SID_WBus16 0x20
550 #define SID_WBus32 0x40
551 #define SID_RelAdr 0x80
552 #define SID_VENDOR_SIZE 8
553 char vendor[SID_VENDOR_SIZE];
554 #define SID_PRODUCT_SIZE 16
555 char product[SID_PRODUCT_SIZE];
556 #define SID_REVISION_SIZE 4
557 char revision[SID_REVISION_SIZE];
559 * The following fields were taken from SCSI Primary Commands - 2
560 * (SPC-2) Revision 14, Dated 11 November 1999
562 #define SID_VENDOR_SPECIFIC_0_SIZE 20
563 u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE];
565 * An extension of SCSI Parallel Specific Values
567 #define SID_SPI_IUS 0x01
568 #define SID_SPI_QAS 0x02
569 #define SID_SPI_CLOCK_ST 0x00
570 #define SID_SPI_CLOCK_DT 0x04
571 #define SID_SPI_CLOCK_DT_ST 0x0C
575 * Version Descriptors, stored 2 byte values.
577 u_int8_t version1[2];
578 u_int8_t version2[2];
579 u_int8_t version3[2];
580 u_int8_t version4[2];
581 u_int8_t version5[2];
582 u_int8_t version6[2];
583 u_int8_t version7[2];
584 u_int8_t version8[2];
586 u_int8_t reserved3[22];
588 #define SID_VENDOR_SPECIFIC_1_SIZE 160
589 u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE];
592 struct scsi_vpd_unit_serial_number
596 #define SVPD_UNIT_SERIAL_NUMBER 0x80
598 u_int8_t length; /* serial number length */
599 #define SVPD_SERIAL_NUM_SIZE 251
600 u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE];
603 struct scsi_read_capacity
612 struct scsi_read_capacity_data
618 struct scsi_sense_data
621 #define SSD_ERRCODE 0x7F
622 #define SSD_CURRENT_ERROR 0x70
623 #define SSD_DEFERRED_ERROR 0x71
624 #define SSD_ERRCODE_VALID 0x80
628 #define SSD_KEY_NO_SENSE 0x00
629 #define SSD_KEY_RECOVERED_ERROR 0x01
630 #define SSD_KEY_NOT_READY 0x02
631 #define SSD_KEY_MEDIUM_ERROR 0x03
632 #define SSD_KEY_HARDWARE_ERROR 0x04
633 #define SSD_KEY_ILLEGAL_REQUEST 0x05
634 #define SSD_KEY_UNIT_ATTENTION 0x06
635 #define SSD_KEY_DATA_PROTECT 0x07
636 #define SSD_KEY_BLANK_CHECK 0x08
637 #define SSD_KEY_Vendor_Specific 0x09
638 #define SSD_KEY_COPY_ABORTED 0x0a
639 #define SSD_KEY_ABORTED_COMMAND 0x0b
640 #define SSD_KEY_EQUAL 0x0c
641 #define SSD_KEY_VOLUME_OVERFLOW 0x0d
642 #define SSD_KEY_MISCOMPARE 0x0e
643 #define SSD_KEY_RESERVED 0x0f
646 #define SSD_FILEMARK 0x80
649 u_int8_t cmd_spec_info[4];
650 u_int8_t add_sense_code;
651 u_int8_t add_sense_code_qual;
653 u_int8_t sense_key_spec[3];
654 #define SSD_SCS_VALID 0x80
655 #define SSD_FIELDPTR_CMD 0x40
656 #define SSD_BITPTR_VALID 0x08
657 #define SSD_BITPTR_VALUE 0x07
658 #define SSD_MIN_SIZE 18
659 u_int8_t extra_bytes[14];
660 #define SSD_FULL_SIZE sizeof(struct scsi_sense_data)
663 struct scsi_mode_header_6
665 u_int8_t data_length; /* Sense data length */
666 u_int8_t medium_type;
668 u_int8_t blk_desc_len;
671 struct scsi_mode_header_10
673 u_int8_t data_length[2];/* Sense data length */
674 u_int8_t medium_type;
677 u_int8_t blk_desc_len[2];
680 struct scsi_mode_page_header
683 u_int8_t page_length;
686 struct scsi_mode_blk_desc
694 #define SCSI_DEFAULT_DENSITY 0x00 /* use 'default' density */
695 #define SCSI_SAME_DENSITY 0x7f /* use 'same' density- >= SCSI-2 only */
699 #define SCSI_STATUS_OK 0x00
700 #define SCSI_STATUS_CHECK_COND 0x02
701 #define SCSI_STATUS_COND_MET 0x04
702 #define SCSI_STATUS_BUSY 0x08
703 #define SCSI_STATUS_INTERMED 0x10
704 #define SCSI_STATUS_INTERMED_COND_MET 0x14
705 #define SCSI_STATUS_RESERV_CONFLICT 0x18
706 #define SCSI_STATUS_CMD_TERMINATED 0x22
707 #define SCSI_STATUS_QUEUE_FULL 0x28
709 struct scsi_inquiry_pattern {
712 #define SIP_MEDIA_REMOVABLE 0x01
713 #define SIP_MEDIA_FIXED 0x02
716 const char *revision;
719 struct scsi_static_inquiry_pattern {
722 char vendor[SID_VENDOR_SIZE+1];
723 char product[SID_PRODUCT_SIZE+1];
724 char revision[SID_REVISION_SIZE+1];
727 struct scsi_sense_quirk_entry {
728 struct scsi_inquiry_pattern inq_pat;
730 struct asc_table_entry *asc_info;
733 struct asc_table_entry {
737 #if !defined(SCSI_NO_SENSE_STRINGS)
742 struct op_table_entry {
748 struct scsi_op_quirk_entry {
749 struct scsi_inquiry_pattern inq_pat;
751 struct op_table_entry *op_table;
762 extern const char *scsi_sense_key_text[];
765 const char * scsi_sense_desc(int asc, int ascq,
766 struct scsi_inquiry_data *inq_data);
767 scsi_sense_action scsi_error_action(int asc, int ascq,
768 struct scsi_inquiry_data *inq_data);
770 void scsi_sense_print(struct ccb_scsiio *csio);
771 int scsi_interpret_sense(union ccb *ccb,
772 u_int32_t sense_flags,
773 u_int32_t *relsim_flags,
774 u_int32_t *reduction,
776 scsi_sense_action error_action);
778 char * scsi_sense_string(struct cam_device *device,
779 struct ccb_scsiio *csio,
780 char *str, int str_len);
781 void scsi_sense_print(struct cam_device *device,
782 struct ccb_scsiio *csio, FILE *ofile);
783 int scsi_interpret_sense(struct cam_device *device,
785 u_int32_t sense_flags,
786 u_int32_t *relsim_flags,
787 u_int32_t *reduction,
789 scsi_sense_action error_action);
792 #define SF_RETRY_UA 0x01
793 #define SF_NO_PRINT 0x02
794 #define SF_QUIET_IR 0x04 /* Be quiet about Illegal Request reponses */
795 #define SF_PRINT_ALWAYS 0x08
796 #define SF_RETRY_SELTO 0x10 /* Retry selection timeouts */
799 const char * scsi_op_desc(u_int16_t opcode,
800 struct scsi_inquiry_data *inq_data);
801 char * scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string,
804 void scsi_print_inquiry(struct scsi_inquiry_data *inq_data);
806 u_int scsi_calc_syncsrate(u_int period_factor);
807 u_int scsi_calc_syncparam(u_int period);
809 void scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries,
810 void (*cbfcnp)(struct cam_periph *,
813 u_int8_t sense_len, u_int32_t timeout);
815 void scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries,
816 void (*cbfcnp)(struct cam_periph *,
818 void *data_ptr, u_int8_t dxfer_len,
819 u_int8_t tag_action, u_int8_t sense_len,
822 void scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries,
823 void (*cbfcnp)(struct cam_periph *, union ccb *),
824 u_int8_t tag_action, u_int8_t *inq_buf,
825 u_int32_t inq_len, int evpd, u_int8_t page_code,
826 u_int8_t sense_len, u_int32_t timeout);
828 void scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries,
829 void (*cbfcnp)(struct cam_periph *,
831 u_int8_t tag_action, int dbd,
832 u_int8_t page_code, u_int8_t page,
833 u_int8_t *param_buf, u_int32_t param_len,
834 u_int8_t sense_len, u_int32_t timeout);
836 void scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries,
837 void (*cbfcnp)(struct cam_periph *,
839 u_int8_t tag_action, int scsi_page_fmt,
840 int save_pages, u_int8_t *param_buf,
841 u_int32_t param_len, u_int8_t sense_len,
844 void scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries,
845 void (*cbfcnp)(struct cam_periph *,
846 union ccb *), u_int8_t tag_action,
847 struct scsi_read_capacity_data *rcap_buf,
848 u_int8_t sense_len, u_int32_t timeout);
850 void scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries,
851 void (*cbfcnp)(struct cam_periph *, union ccb *),
852 u_int8_t tag_action, u_int8_t action,
853 u_int8_t sense_len, u_int32_t timeout);
855 void scsi_synchronize_cache(struct ccb_scsiio *csio,
857 void (*cbfcnp)(struct cam_periph *,
858 union ccb *), u_int8_t tag_action,
859 u_int32_t begin_lba, u_int16_t lb_count,
860 u_int8_t sense_len, u_int32_t timeout);
862 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries,
863 void (*cbfcnp)(struct cam_periph *, union ccb *),
864 u_int8_t tag_action, int readop, u_int8_t byte2,
865 int minimum_cmd_size, u_int32_t lba,
866 u_int32_t block_count, u_int8_t *data_ptr,
867 u_int32_t dxfer_len, u_int8_t sense_len,
870 void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries,
871 void (*cbfcnp)(struct cam_periph *, union ccb *),
872 u_int8_t tag_action, int start, int load_eject,
873 int immediate, u_int8_t sense_len, u_int32_t timeout);
875 int scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry);
876 int scsi_static_inquiry_match(caddr_t inqbuffer,
877 caddr_t table_entry);
879 static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
880 int *error_code, int *sense_key,
881 int *asc, int *ascq);
882 static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes);
883 static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes);
884 static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes);
885 static __inline u_int32_t scsi_2btoul(u_int8_t *bytes);
886 static __inline u_int32_t scsi_3btoul(u_int8_t *bytes);
887 static __inline int32_t scsi_3btol(u_int8_t *bytes);
888 static __inline u_int32_t scsi_4btoul(u_int8_t *bytes);
889 static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header);
890 static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header);
892 static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
893 int *error_code, int *sense_key,
896 *error_code = sense->error_code & SSD_ERRCODE;
897 *sense_key = sense->flags & SSD_KEY;
898 *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0;
899 *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0;
903 scsi_ulto2b(u_int32_t val, u_int8_t *bytes)
906 bytes[0] = (val >> 8) & 0xff;
907 bytes[1] = val & 0xff;
911 scsi_ulto3b(u_int32_t val, u_int8_t *bytes)
914 bytes[0] = (val >> 16) & 0xff;
915 bytes[1] = (val >> 8) & 0xff;
916 bytes[2] = val & 0xff;
920 scsi_ulto4b(u_int32_t val, u_int8_t *bytes)
923 bytes[0] = (val >> 24) & 0xff;
924 bytes[1] = (val >> 16) & 0xff;
925 bytes[2] = (val >> 8) & 0xff;
926 bytes[3] = val & 0xff;
929 static __inline u_int32_t
930 scsi_2btoul(u_int8_t *bytes)
934 rv = (bytes[0] << 8) |
939 static __inline u_int32_t
940 scsi_3btoul(u_int8_t *bytes)
944 rv = (bytes[0] << 16) |
950 static __inline int32_t
951 scsi_3btol(u_int8_t *bytes)
953 u_int32_t rc = scsi_3btoul(bytes);
961 static __inline u_int32_t
962 scsi_4btoul(u_int8_t *bytes)
966 rv = (bytes[0] << 24) |
974 * Given the pointer to a returned mode sense buffer, return a pointer to
975 * the start of the first mode page.
977 static __inline void *
978 find_mode_page_6(struct scsi_mode_header_6 *mode_header)
982 page_start = (void *)((u_int8_t *)&mode_header[1] +
983 mode_header->blk_desc_len);
988 static __inline void *
989 find_mode_page_10(struct scsi_mode_header_10 *mode_header)
993 page_start = (void *)((u_int8_t *)&mode_header[1] +
994 scsi_2btoul(mode_header->blk_desc_len));
1001 #endif /*_SCSI_SCSI_ALL_H*/