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 1.14.2.5 2003/08/24 03:26:37 ken Exp $
18 * $DragonFly: src/sys/bus/cam/scsi/scsi_all.h,v 1.3 2003/12/29 06:42:10 dillon Exp $
22 * SCSI general interface description
25 #ifndef _SCSI_SCSI_ALL_H
26 #define _SCSI_SCSI_ALL_H 1
28 #include <sys/cdefs.h>
33 * This is the number of seconds we wait for devices to settle after a SCSI
37 #define SCSI_DELAY 2000
40 * If someone sets this to 0, we assume that they want the minimum
41 * allowable bus settle delay. All devices need _some_ sort of bus settle
42 * delay, so we'll set it to a minimum value of 100ms.
46 #define SCSI_DELAY 100
50 * Make sure the user isn't using seconds instead of milliseconds.
52 #if (SCSI_DELAY < 100)
53 #error "SCSI_DELAY is in milliseconds, not seconds! Please use a larger value"
62 * Define dome bits that are in ALL (or a lot of) scsi commands
64 #define SCSI_CTL_LINK 0x01
65 #define SCSI_CTL_FLAG 0x02
66 #define SCSI_CTL_VENDOR 0xC0
67 #define SCSI_CMD_LUN 0xA0 /* these two should not be needed */
68 #define SCSI_CMD_LUN_SHIFT 5 /* LUN in the cmd is no longer SCSI */
70 #define SCSI_MAX_CDBLEN 16 /*
71 * 16 byte commands are in the
74 #if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN)
75 #error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN"
78 /* 6byte CDBs special case 0 length to be 256 */
79 #define SCSI_CDB6_LEN(len) ((len) == 0 ? 256 : len)
82 * This type defines actions to be taken when a particular sense code is
83 * received. Right now, these flags are only defined to take up 16 bits,
84 * but can be expanded in the future if necessary.
87 SS_NOP = 0x000000, /* Do nothing */
88 SS_RETRY = 0x010000, /* Retry the command */
89 SS_FAIL = 0x020000, /* Bail out */
90 SS_START = 0x030000, /* Send a Start Unit command to the device,
91 * then retry the original command.
93 SS_TUR = 0x040000, /* Send a Test Unit Ready command to the
94 * device, then retry the original command.
96 SS_MANUAL = 0x050000, /*
97 * This error must be handled manually,
98 * i.e. the code must look at the asc and
99 * ascq values and determine the proper
102 SS_TURSTART = 0x060000, /*
103 * Send a Test Unit Ready command to the
104 * device, and if that fails, send a start
112 SSQ_DECREMENT_COUNT = 0x0100, /* Decrement the retry count */
113 SSQ_MANY = 0x0200, /* send lots of recovery commands */
114 SSQ_RANGE = 0x0400, /*
115 * Yes, this is a hack. Basically,
116 * if this flag is set then it
117 * represents an ascq range. The
118 * "correct" way to implement the
119 * ranges might be to add a special
120 * field to the sense code table,
121 * but that would take up a lot of
122 * additional space. This solution
123 * isn't as elegant, but is more
126 SSQ_PRINT_SENSE = 0x0800,
128 } scsi_sense_action_qualifier;
130 /* Mask for error status values */
131 #define SS_ERRMASK 0xff
133 /* The default error action */
134 #define SS_DEF SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO
136 /* Default error action, without an error return value */
137 #define SS_NEDEF SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
139 /* Default error action, without sense printing or an error return value */
140 #define SS_NEPDEF SS_RETRY|SSQ_DECREMENT_COUNT
148 struct scsi_request_sense
157 struct scsi_test_unit_ready
165 struct scsi_send_diag
171 #define SSD_SELFTEST 0x04
174 u_int8_t paramlen[2];
198 struct scsi_mode_sense_6
204 #define SMS_PAGE_CODE 0x3F
205 #define SMS_VENDOR_SPECIFIC_PAGE 0x00
206 #define SMS_DISCONNECT_RECONNECT_PAGE 0x02
207 #define SMS_PERIPHERAL_DEVICE_PAGE 0x09
208 #define SMS_CONTROL_MODE_PAGE 0x0A
209 #define SMS_ALL_PAGES_PAGE 0x3F
210 #define SMS_PAGE_CTRL_MASK 0xC0
211 #define SMS_PAGE_CTRL_CURRENT 0x00
212 #define SMS_PAGE_CTRL_CHANGEABLE 0x40
213 #define SMS_PAGE_CTRL_DEFAULT 0x80
214 #define SMS_PAGE_CTRL_SAVED 0xC0
220 struct scsi_mode_sense_10
223 u_int8_t byte2; /* same bits as small version */
224 u_int8_t page; /* same bits as small version */
230 struct scsi_mode_select_6
241 struct scsi_mode_select_10
244 u_int8_t byte2; /* same bits as small version */
251 * When sending a mode select to a tape drive, the medium type must be 0.
253 struct scsi_mode_hdr_6
256 u_int8_t medium_type;
257 u_int8_t dev_specific;
258 u_int8_t block_descr_len;
261 struct scsi_mode_hdr_10
264 u_int8_t medium_type;
265 u_int8_t dev_specific;
266 u_int8_t reserved[2];
267 u_int8_t block_descr_len[2];
270 struct scsi_mode_block_descr
272 u_int8_t density_code;
273 u_int8_t num_blocks[3];
275 u_int8_t block_len[3];
278 struct scsi_control_page {
280 u_int8_t page_length;
282 #define SCB_RLEC 0x01 /*Report Log Exception Cond*/
283 u_int8_t queue_flags;
284 #define SCP_QUEUE_ALG_MASK 0xF0
285 #define SCP_QUEUE_ALG_RESTRICTED 0x00
286 #define SCP_QUEUE_ALG_UNRESTRICTED 0x10
287 #define SCP_QUEUE_ERR 0x02 /*Queued I/O aborted for CACs*/
288 #define SCP_QUEUE_DQUE 0x01 /*Queued I/O disabled*/
289 u_int8_t eca_and_aen;
290 #define SCP_EECA 0x80 /*Enable Extended CA*/
291 #define SCP_RAENP 0x04 /*Ready AEN Permission*/
292 #define SCP_UAAENP 0x02 /*UA AEN Permission*/
293 #define SCP_EAENP 0x01 /*Error AEN Permission*/
295 u_int8_t aen_holdoff_period[2];
324 #define PR_PREVENT 0x01
325 #define PR_ALLOW 0x00
327 struct scsi_sync_cache
331 u_int8_t begin_lba[4];
333 u_int8_t lb_count[2];
338 struct scsi_changedef
349 struct scsi_read_buffer
353 #define RWB_MODE 0x07
354 #define RWB_MODE_HDR_DATA 0x00
355 #define RWB_MODE_DATA 0x02
356 #define RWB_MODE_DOWNLOAD 0x04
357 #define RWB_MODE_DOWNLOAD_SAVE 0x05
364 struct scsi_write_buffer
378 /* only 5 bits are valid in the MSB address byte */
379 #define SRW_TOPADDR 0x1F
387 #define SRW10_RELADDR 0x01
388 #define SRW10_FUA 0x08
389 #define SRW10_DPO 0x10
400 #define SRW12_RELADDR 0x01
401 #define SRW12_FUA 0x08
402 #define SRW12_DPO 0x10
410 struct scsi_start_stop_unit
414 #define SSS_IMMED 0x01
415 u_int8_t reserved[2];
417 #define SSS_START 0x01
418 #define SSS_LOEJ 0x02
422 #define SC_SCSI_1 0x01
423 #define SC_SCSI_2 0x03
429 #define TEST_UNIT_READY 0x00
430 #define REQUEST_SENSE 0x03
434 #define MODE_SELECT_6 0x15
435 #define MODE_SENSE_6 0x1a
436 #define START_STOP_UNIT 0x1b
437 #define START_STOP 0x1b
440 #define RECEIVE_DIAGNOSTIC 0x1c
441 #define SEND_DIAGNOSTIC 0x1d
442 #define PREVENT_ALLOW 0x1e
443 #define READ_CAPACITY 0x25
445 #define WRITE_10 0x2a
446 #define POSITION_TO_ELEMENT 0x2b
447 #define SYNCHRONIZE_CACHE 0x35
448 #define WRITE_BUFFER 0x3b
449 #define READ_BUFFER 0x3c
450 #define CHANGE_DEFINITION 0x40
451 #define MODE_SELECT_10 0x55
452 #define MODE_SENSE_10 0x5A
453 #define MOVE_MEDIUM 0xa5
455 #define WRITE_12 0xaa
456 #define READ_ELEMENT_STATUS 0xb8
462 #define T_DIRECT 0x00
463 #define T_SEQUENTIAL 0x01
464 #define T_PRINTER 0x02
465 #define T_PROCESSOR 0x03
468 #define T_SCANNER 0x06
469 #define T_OPTICAL 0x07
470 #define T_CHANGER 0x08
474 #define T_STORARRAY 0x0c
475 #define T_ENCLOSURE 0x0d
478 #define T_NODEVICE 0x1F
479 #define T_ANY 0xFF /* Used in Quirk table matches */
485 * This length is the initial inquiry length used by the probe code, as
486 * well as the legnth necessary for scsi_print_inquiry() to function
487 * correctly. If either use requires a different length in the future,
488 * the two values should be de-coupled.
490 #define SHORT_INQUIRY_LENGTH 36
492 struct scsi_inquiry_data
495 #define SID_TYPE(inq_data) ((inq_data)->device & 0x1f)
496 #define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5)
497 #define SID_QUAL_LU_CONNECTED 0x00 /* The specified peripheral device
498 * type is currently connected to
499 * logical unit. If the target cannot
500 * determine whether or not a physical
501 * device is currently connected, it
502 * shall also use this peripheral
503 * qualifier when returning the INQUIRY
504 * data. This peripheral qualifier
505 * does not mean that the device is
506 * ready for access by the initiator.
508 #define SID_QUAL_LU_OFFLINE 0x01 /* The target is capable of supporting
509 * the specified peripheral device type
510 * on this logical unit; however, the
511 * physical device is not currently
512 * connected to this logical unit.
514 #define SID_QUAL_RSVD 0x02
515 #define SID_QUAL_BAD_LU 0x03 /* The target is not capable of
516 * supporting a physical device on
517 * this logical unit. For this
518 * peripheral qualifier the peripheral
519 * device type shall be set to 1Fh to
520 * provide compatibility with previous
521 * versions of SCSI. All other
522 * peripheral device type values are
523 * reserved for this peripheral
526 #define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0)
528 #define SID_QUAL2 0x7F
529 #define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0)
531 #define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07)
533 #define SCSI_REV_CCS 1
536 #define SCSI_REV_SPC2 4
538 #define SID_ECMA 0x38
540 u_int8_t response_format;
541 #define SID_AENC 0x80
542 #define SID_TrmIOP 0x40
543 u_int8_t additional_length;
544 u_int8_t reserved[2];
546 #define SID_SftRe 0x01
547 #define SID_CmdQue 0x02
548 #define SID_Linked 0x08
549 #define SID_Sync 0x10
550 #define SID_WBus16 0x20
551 #define SID_WBus32 0x40
552 #define SID_RelAdr 0x80
553 #define SID_VENDOR_SIZE 8
554 char vendor[SID_VENDOR_SIZE];
555 #define SID_PRODUCT_SIZE 16
556 char product[SID_PRODUCT_SIZE];
557 #define SID_REVISION_SIZE 4
558 char revision[SID_REVISION_SIZE];
560 * The following fields were taken from SCSI Primary Commands - 2
561 * (SPC-2) Revision 14, Dated 11 November 1999
563 #define SID_VENDOR_SPECIFIC_0_SIZE 20
564 u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE];
566 * An extension of SCSI Parallel Specific Values
568 #define SID_SPI_IUS 0x01
569 #define SID_SPI_QAS 0x02
570 #define SID_SPI_CLOCK_ST 0x00
571 #define SID_SPI_CLOCK_DT 0x04
572 #define SID_SPI_CLOCK_DT_ST 0x0C
576 * Version Descriptors, stored 2 byte values.
578 u_int8_t version1[2];
579 u_int8_t version2[2];
580 u_int8_t version3[2];
581 u_int8_t version4[2];
582 u_int8_t version5[2];
583 u_int8_t version6[2];
584 u_int8_t version7[2];
585 u_int8_t version8[2];
587 u_int8_t reserved3[22];
589 #define SID_VENDOR_SPECIFIC_1_SIZE 160
590 u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE];
593 struct scsi_vpd_unit_serial_number
597 #define SVPD_UNIT_SERIAL_NUMBER 0x80
599 u_int8_t length; /* serial number length */
600 #define SVPD_SERIAL_NUM_SIZE 251
601 u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE];
604 struct scsi_read_capacity
613 struct scsi_read_capacity_data
619 struct scsi_sense_data
622 #define SSD_ERRCODE 0x7F
623 #define SSD_CURRENT_ERROR 0x70
624 #define SSD_DEFERRED_ERROR 0x71
625 #define SSD_ERRCODE_VALID 0x80
629 #define SSD_KEY_NO_SENSE 0x00
630 #define SSD_KEY_RECOVERED_ERROR 0x01
631 #define SSD_KEY_NOT_READY 0x02
632 #define SSD_KEY_MEDIUM_ERROR 0x03
633 #define SSD_KEY_HARDWARE_ERROR 0x04
634 #define SSD_KEY_ILLEGAL_REQUEST 0x05
635 #define SSD_KEY_UNIT_ATTENTION 0x06
636 #define SSD_KEY_DATA_PROTECT 0x07
637 #define SSD_KEY_BLANK_CHECK 0x08
638 #define SSD_KEY_Vendor_Specific 0x09
639 #define SSD_KEY_COPY_ABORTED 0x0a
640 #define SSD_KEY_ABORTED_COMMAND 0x0b
641 #define SSD_KEY_EQUAL 0x0c
642 #define SSD_KEY_VOLUME_OVERFLOW 0x0d
643 #define SSD_KEY_MISCOMPARE 0x0e
644 #define SSD_KEY_RESERVED 0x0f
647 #define SSD_FILEMARK 0x80
650 u_int8_t cmd_spec_info[4];
651 u_int8_t add_sense_code;
652 u_int8_t add_sense_code_qual;
654 u_int8_t sense_key_spec[3];
655 #define SSD_SCS_VALID 0x80
656 #define SSD_FIELDPTR_CMD 0x40
657 #define SSD_BITPTR_VALID 0x08
658 #define SSD_BITPTR_VALUE 0x07
659 #define SSD_MIN_SIZE 18
660 u_int8_t extra_bytes[14];
661 #define SSD_FULL_SIZE sizeof(struct scsi_sense_data)
664 struct scsi_mode_header_6
666 u_int8_t data_length; /* Sense data length */
667 u_int8_t medium_type;
669 u_int8_t blk_desc_len;
672 struct scsi_mode_header_10
674 u_int8_t data_length[2];/* Sense data length */
675 u_int8_t medium_type;
678 u_int8_t blk_desc_len[2];
681 struct scsi_mode_page_header
684 u_int8_t page_length;
687 struct scsi_mode_blk_desc
695 #define SCSI_DEFAULT_DENSITY 0x00 /* use 'default' density */
696 #define SCSI_SAME_DENSITY 0x7f /* use 'same' density- >= SCSI-2 only */
700 #define SCSI_STATUS_OK 0x00
701 #define SCSI_STATUS_CHECK_COND 0x02
702 #define SCSI_STATUS_COND_MET 0x04
703 #define SCSI_STATUS_BUSY 0x08
704 #define SCSI_STATUS_INTERMED 0x10
705 #define SCSI_STATUS_INTERMED_COND_MET 0x14
706 #define SCSI_STATUS_RESERV_CONFLICT 0x18
707 #define SCSI_STATUS_CMD_TERMINATED 0x22
708 #define SCSI_STATUS_QUEUE_FULL 0x28
710 struct scsi_inquiry_pattern {
713 #define SIP_MEDIA_REMOVABLE 0x01
714 #define SIP_MEDIA_FIXED 0x02
717 const char *revision;
720 struct scsi_static_inquiry_pattern {
723 char vendor[SID_VENDOR_SIZE+1];
724 char product[SID_PRODUCT_SIZE+1];
725 char revision[SID_REVISION_SIZE+1];
728 struct scsi_sense_quirk_entry {
729 struct scsi_inquiry_pattern inq_pat;
731 struct asc_table_entry *asc_info;
734 struct asc_table_entry {
738 #if !defined(SCSI_NO_SENSE_STRINGS)
743 struct op_table_entry {
749 struct scsi_op_quirk_entry {
750 struct scsi_inquiry_pattern inq_pat;
752 struct op_table_entry *op_table;
763 extern const char *scsi_sense_key_text[];
766 const char * scsi_sense_desc(int asc, int ascq,
767 struct scsi_inquiry_data *inq_data);
768 scsi_sense_action scsi_error_action(int asc, int ascq,
769 struct scsi_inquiry_data *inq_data);
771 void scsi_sense_print(struct ccb_scsiio *csio);
772 int scsi_interpret_sense(union ccb *ccb,
773 u_int32_t sense_flags,
774 u_int32_t *relsim_flags,
775 u_int32_t *reduction,
777 scsi_sense_action error_action);
779 char * scsi_sense_string(struct cam_device *device,
780 struct ccb_scsiio *csio,
781 char *str, int str_len);
782 void scsi_sense_print(struct cam_device *device,
783 struct ccb_scsiio *csio, FILE *ofile);
784 int scsi_interpret_sense(struct cam_device *device,
786 u_int32_t sense_flags,
787 u_int32_t *relsim_flags,
788 u_int32_t *reduction,
790 scsi_sense_action error_action);
793 #define SF_RETRY_UA 0x01
794 #define SF_NO_PRINT 0x02
795 #define SF_QUIET_IR 0x04 /* Be quiet about Illegal Request reponses */
796 #define SF_PRINT_ALWAYS 0x08
797 #define SF_RETRY_SELTO 0x10 /* Retry selection timeouts */
800 const char * scsi_op_desc(u_int16_t opcode,
801 struct scsi_inquiry_data *inq_data);
802 char * scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string,
805 void scsi_print_inquiry(struct scsi_inquiry_data *inq_data);
807 u_int scsi_calc_syncsrate(u_int period_factor);
808 u_int scsi_calc_syncparam(u_int period);
810 void scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries,
811 void (*cbfcnp)(struct cam_periph *,
814 u_int8_t sense_len, u_int32_t timeout);
816 void scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries,
817 void (*cbfcnp)(struct cam_periph *,
819 void *data_ptr, u_int8_t dxfer_len,
820 u_int8_t tag_action, u_int8_t sense_len,
823 void scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries,
824 void (*cbfcnp)(struct cam_periph *, union ccb *),
825 u_int8_t tag_action, u_int8_t *inq_buf,
826 u_int32_t inq_len, int evpd, u_int8_t page_code,
827 u_int8_t sense_len, u_int32_t timeout);
829 void scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries,
830 void (*cbfcnp)(struct cam_periph *,
832 u_int8_t tag_action, int dbd,
833 u_int8_t page_code, u_int8_t page,
834 u_int8_t *param_buf, u_int32_t param_len,
835 u_int8_t sense_len, u_int32_t timeout);
836 void scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries,
837 void (*cbfcnp)(struct cam_periph *,
839 u_int8_t tag_action, int dbd,
840 u_int8_t page_code, u_int8_t page,
841 u_int8_t *param_buf, u_int32_t param_len,
842 int minimum_cmd_size, u_int8_t sense_len,
845 void scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries,
846 void (*cbfcnp)(struct cam_periph *,
848 u_int8_t tag_action, int scsi_page_fmt,
849 int save_pages, u_int8_t *param_buf,
850 u_int32_t param_len, u_int8_t sense_len,
853 void scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries,
854 void (*cbfcnp)(struct cam_periph *,
856 u_int8_t tag_action, int scsi_page_fmt,
857 int save_pages, u_int8_t *param_buf,
858 u_int32_t param_len, int minimum_cmd_size,
859 u_int8_t sense_len, u_int32_t timeout);
861 void scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries,
862 void (*cbfcnp)(struct cam_periph *,
863 union ccb *), u_int8_t tag_action,
864 struct scsi_read_capacity_data *rcap_buf,
865 u_int8_t sense_len, u_int32_t timeout);
867 void scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries,
868 void (*cbfcnp)(struct cam_periph *, union ccb *),
869 u_int8_t tag_action, u_int8_t action,
870 u_int8_t sense_len, u_int32_t timeout);
872 void scsi_synchronize_cache(struct ccb_scsiio *csio,
874 void (*cbfcnp)(struct cam_periph *,
875 union ccb *), u_int8_t tag_action,
876 u_int32_t begin_lba, u_int16_t lb_count,
877 u_int8_t sense_len, u_int32_t timeout);
879 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries,
880 void (*cbfcnp)(struct cam_periph *, union ccb *),
881 u_int8_t tag_action, int readop, u_int8_t byte2,
882 int minimum_cmd_size, u_int32_t lba,
883 u_int32_t block_count, u_int8_t *data_ptr,
884 u_int32_t dxfer_len, u_int8_t sense_len,
887 void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries,
888 void (*cbfcnp)(struct cam_periph *, union ccb *),
889 u_int8_t tag_action, int start, int load_eject,
890 int immediate, u_int8_t sense_len, u_int32_t timeout);
892 int scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry);
893 int scsi_static_inquiry_match(caddr_t inqbuffer,
894 caddr_t table_entry);
896 static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
897 int *error_code, int *sense_key,
898 int *asc, int *ascq);
899 static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes);
900 static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes);
901 static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes);
902 static __inline u_int32_t scsi_2btoul(u_int8_t *bytes);
903 static __inline u_int32_t scsi_3btoul(u_int8_t *bytes);
904 static __inline int32_t scsi_3btol(u_int8_t *bytes);
905 static __inline u_int32_t scsi_4btoul(u_int8_t *bytes);
906 static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header);
907 static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header);
909 static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
910 int *error_code, int *sense_key,
913 *error_code = sense->error_code & SSD_ERRCODE;
914 *sense_key = sense->flags & SSD_KEY;
915 *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0;
916 *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0;
920 scsi_ulto2b(u_int32_t val, u_int8_t *bytes)
923 bytes[0] = (val >> 8) & 0xff;
924 bytes[1] = val & 0xff;
928 scsi_ulto3b(u_int32_t val, u_int8_t *bytes)
931 bytes[0] = (val >> 16) & 0xff;
932 bytes[1] = (val >> 8) & 0xff;
933 bytes[2] = val & 0xff;
937 scsi_ulto4b(u_int32_t val, u_int8_t *bytes)
940 bytes[0] = (val >> 24) & 0xff;
941 bytes[1] = (val >> 16) & 0xff;
942 bytes[2] = (val >> 8) & 0xff;
943 bytes[3] = val & 0xff;
946 static __inline u_int32_t
947 scsi_2btoul(u_int8_t *bytes)
951 rv = (bytes[0] << 8) |
956 static __inline u_int32_t
957 scsi_3btoul(u_int8_t *bytes)
961 rv = (bytes[0] << 16) |
967 static __inline int32_t
968 scsi_3btol(u_int8_t *bytes)
970 u_int32_t rc = scsi_3btoul(bytes);
978 static __inline u_int32_t
979 scsi_4btoul(u_int8_t *bytes)
983 rv = (bytes[0] << 24) |
991 * Given the pointer to a returned mode sense buffer, return a pointer to
992 * the start of the first mode page.
994 static __inline void *
995 find_mode_page_6(struct scsi_mode_header_6 *mode_header)
999 page_start = (void *)((u_int8_t *)&mode_header[1] +
1000 mode_header->blk_desc_len);
1005 static __inline void *
1006 find_mode_page_10(struct scsi_mode_header_10 *mode_header)
1010 page_start = (void *)((u_int8_t *)&mode_header[1] +
1011 scsi_2btoul(mode_header->blk_desc_len));
1018 #endif /*_SCSI_SCSI_ALL_H*/