root/sys/cam/scsi/scsi_all.c
/*-
 * Implementation of Utility functions for all SCSI device types.
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs.
 * Copyright (c) 1997, 1998, 2003 Kenneth D. Merry.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification, immediately at the beginning of the file.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/param.h>
#include <sys/types.h>
#include <sys/stdint.h>

#ifdef _KERNEL
#include "opt_scsi.h"

#include <sys/systm.h>
#include <sys/libkern.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/sysctl.h>
#include <sys/ctype.h>
#else
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#endif

#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_queue.h>
#include <cam/cam_xpt.h>
#include <cam/scsi/scsi_all.h>
#include <sys/ata.h>
#include <sys/sbuf.h>

#ifdef _KERNEL
#include <cam/cam_periph.h>
#include <cam/cam_xpt_sim.h>
#include <cam/cam_xpt_periph.h>
#include <cam/cam_xpt_internal.h>
#else
#include <camlib.h>
#include <stddef.h>

#ifndef FALSE
#define FALSE   0
#endif /* FALSE */
#ifndef TRUE
#define TRUE    1
#endif /* TRUE */
#define ERESTART        -1              /* restart syscall */
#define EJUSTRETURN     -2              /* don't modify regs, just return */
#endif /* !_KERNEL */

/*
 * This is the default number of milliseconds we wait for devices to settle
 * after a SCSI bus reset.
 */
#ifndef SCSI_DELAY
#define SCSI_DELAY 2000
#endif
/*
 * All devices need _some_ sort of bus settle delay, so we'll set it to
 * a minimum value of 100ms. Note that this is pertinent only for SPI-
 * not transport like Fibre Channel or iSCSI where 'delay' is completely
 * meaningless.
 */
#ifndef SCSI_MIN_DELAY
#define SCSI_MIN_DELAY 100
#endif
/*
 * Make sure the user isn't using seconds instead of milliseconds.
 */
#if (SCSI_DELAY < SCSI_MIN_DELAY && SCSI_DELAY != 0)
#error "SCSI_DELAY is in milliseconds, not seconds!  Please use a larger value"
#endif

int scsi_delay;

static int      ascentrycomp(const void *key, const void *member);
static int      senseentrycomp(const void *key, const void *member);
static void     fetchtableentries(int sense_key, int asc, int ascq,
                                  struct scsi_inquiry_data *,
                                  const struct sense_key_table_entry **,
                                  const struct asc_table_entry **);

#ifdef _KERNEL
static void     init_scsi_delay(void *);
static int      sysctl_scsi_delay(SYSCTL_HANDLER_ARGS);
static int      set_scsi_delay(int delay);
#endif

#if !defined(SCSI_NO_OP_STRINGS)

#define D       (1 << T_DIRECT)
#define T       (1 << T_SEQUENTIAL)
#define L       (1 << T_PRINTER)
#define P       (1 << T_PROCESSOR)
#define W       (1 << T_WORM)
#define R       (1 << T_CDROM)
#define O       (1 << T_OPTICAL)
#define M       (1 << T_CHANGER)
#define A       (1 << T_STORARRAY)
#define E       (1 << T_ENCLOSURE)
#define B       (1 << T_RBC)
#define K       (1 << T_OCRW)
#define V       (1 << T_ADC)
#define F       (1 << T_OSD)
#define S       (1 << T_SCANNER)
#define C       (1 << T_COMM)

#define ALL     (D | T | L | P | W | R | O | M | A | E | B | K | V | F | S | C)

static struct op_table_entry plextor_cd_ops[] = {
        { 0xD8, R, "CD-DA READ" }
};

static struct scsi_op_quirk_entry scsi_op_quirk_table[] = {
        {
                /*
                 * I believe that 0xD8 is the Plextor proprietary command
                 * to read CD-DA data.  I'm not sure which Plextor CDROM
                 * models support the command, though.  I know for sure
                 * that the 4X, 8X, and 12X models do, and presumably the
                 * 12-20X does.  I don't know about any earlier models,
                 * though.  If anyone has any more complete information,
                 * feel free to change this quirk entry.
                 */
                {T_CDROM, SIP_MEDIA_REMOVABLE, "PLEXTOR", "CD-ROM PX*", "*"},
                nitems(plextor_cd_ops),
                plextor_cd_ops
        }
};

static struct op_table_entry scsi_op_codes[] = {
        /*
         * From: http://www.t10.org/lists/op-num.txt
         * Modifications by Kenneth Merry (ken@FreeBSD.ORG)
         *              and Jung-uk Kim (jkim@FreeBSD.org)
         *
         * Note:  order is important in this table, scsi_op_desc() currently
         * depends on the opcodes in the table being in order to save
         * search time.
         * Note:  scanner and comm. devices are carried over from the previous
         * version because they were removed in the latest spec.
         */
        /* File: OP-NUM.TXT
         *
         * SCSI Operation Codes
         * Numeric Sorted Listing
         * as of  5/26/15
         *
         *     D - DIRECT ACCESS DEVICE (SBC-2)                device column key
         *     .T - SEQUENTIAL ACCESS DEVICE (SSC-2)           -----------------
         *     . L - PRINTER DEVICE (SSC)                      M = Mandatory
         *     .  P - PROCESSOR DEVICE (SPC)                   O = Optional
         *     .  .W - WRITE ONCE READ MULTIPLE DEVICE (SBC-2) V = Vendor spec.
         *     .  . R - CD/DVE DEVICE (MMC-3)                  Z = Obsolete
         *     .  .  O - OPTICAL MEMORY DEVICE (SBC-2)
         *     .  .  .M - MEDIA CHANGER DEVICE (SMC-2)
         *     .  .  . A - STORAGE ARRAY DEVICE (SCC-2)
         *     .  .  . .E - ENCLOSURE SERVICES DEVICE (SES)
         *     .  .  .  .B - SIMPLIFIED DIRECT-ACCESS DEVICE (RBC)
         *     .  .  .  . K - OPTICAL CARD READER/WRITER DEVICE (OCRW)
         *     .  .  .  .  V - AUTOMATION/DRIVE INTERFACE (ADC)
         *     .  .  .  .  .F - OBJECT-BASED STORAGE (OSD)
         * OP  DTLPWROMAEBKVF  Description
         * --  --------------  ---------------------------------------------- */
        /* 00  MMMMMMMMMMMMMM  TEST UNIT READY */
        { 0x00, ALL, "TEST UNIT READY" },
        /* 01   M              REWIND */
        { 0x01, T, "REWIND" },
        /* 01  Z V ZZZZ        REZERO UNIT */
        { 0x01, D | W | R | O | M, "REZERO UNIT" },
        /* 02  VVVVVV V */
        /* 03  MMMMMMMMMMOMMM  REQUEST SENSE */
        { 0x03, ALL, "REQUEST SENSE" },
        /* 04  M    OO         FORMAT UNIT */
        { 0x04, D | R | O, "FORMAT UNIT" },
        /* 04   O              FORMAT MEDIUM */
        { 0x04, T, "FORMAT MEDIUM" },
        /* 04    O             FORMAT */
        { 0x04, L, "FORMAT" },
        /* 05  VMVVVV V        READ BLOCK LIMITS */
        { 0x05, T, "READ BLOCK LIMITS" },
        /* 06  VVVVVV V */
        /* 07  OVV O OV        REASSIGN BLOCKS */
        { 0x07, D | W | O, "REASSIGN BLOCKS" },
        /* 07         O        INITIALIZE ELEMENT STATUS */
        { 0x07, M, "INITIALIZE ELEMENT STATUS" },
        /* 08  MOV O OV        READ(6) */
        { 0x08, D | T | W | O, "READ(6)" },
        /* 08     O            RECEIVE */
        { 0x08, P, "RECEIVE" },
        /* 08                  GET MESSAGE(6) */
        { 0x08, C, "GET MESSAGE(6)" },
        /* 09  VVVVVV V */
        /* 0A  OO  O OV        WRITE(6) */
        { 0x0A, D | T | W | O, "WRITE(6)" },
        /* 0A     M            SEND(6) */
        { 0x0A, P, "SEND(6)" },
        /* 0A                  SEND MESSAGE(6) */
        { 0x0A, C, "SEND MESSAGE(6)" },
        /* 0A    M             PRINT */
        { 0x0A, L, "PRINT" },
        /* 0B  Z   ZOZV        SEEK(6) */
        { 0x0B, D | W | R | O, "SEEK(6)" },
        /* 0B   O              SET CAPACITY */
        { 0x0B, T, "SET CAPACITY" },
        /* 0B    O             SLEW AND PRINT */
        { 0x0B, L, "SLEW AND PRINT" },
        /* 0C  VVVVVV V */
        /* 0D  VVVVVV V */
        /* 0E  VVVVVV V */
        /* 0F  VOVVVV V        READ REVERSE(6) */
        { 0x0F, T, "READ REVERSE(6)" },
        /* 10  VM VVV          WRITE FILEMARKS(6) */
        { 0x10, T, "WRITE FILEMARKS(6)" },
        /* 10    O             SYNCHRONIZE BUFFER */
        { 0x10, L, "SYNCHRONIZE BUFFER" },
        /* 11  VMVVVV          SPACE(6) */
        { 0x11, T, "SPACE(6)" },
        /* 12  MMMMMMMMMMMMMM  INQUIRY */
        { 0x12, ALL, "INQUIRY" },
        /* 13  V VVVV */
        /* 13   O              VERIFY(6) */
        { 0x13, T, "VERIFY(6)" },
        /* 14  VOOVVV          RECOVER BUFFERED DATA */
        { 0x14, T | L, "RECOVER BUFFERED DATA" },
        /* 15  OMO O OOOO OO   MODE SELECT(6) */
        { 0x15, ALL & ~(P | R | B | F), "MODE SELECT(6)" },
        /* 16  ZZMZO OOOZ O    RESERVE(6) */
        { 0x16, ALL & ~(R | B | V | F | C), "RESERVE(6)" },
        /* 16         Z        RESERVE ELEMENT(6) */
        { 0x16, M, "RESERVE ELEMENT(6)" },
        /* 17  ZZMZO OOOZ O    RELEASE(6) */
        { 0x17, ALL & ~(R | B | V | F | C), "RELEASE(6)" },
        /* 17         Z        RELEASE ELEMENT(6) */
        { 0x17, M, "RELEASE ELEMENT(6)" },
        /* 18  ZZZZOZO    Z    COPY */
        { 0x18, D | T | L | P | W | R | O | K | S, "COPY" },
        /* 19  VMVVVV          ERASE(6) */
        { 0x19, T, "ERASE(6)" },
        /* 1A  OMO O OOOO OO   MODE SENSE(6) */
        { 0x1A, ALL & ~(P | R | B | F), "MODE SENSE(6)" },
        /* 1B  O   OOO O MO O  START STOP UNIT */
        { 0x1B, D | W | R | O | A | B | K | F, "START STOP UNIT" },
        /* 1B   O          M   LOAD UNLOAD */
        { 0x1B, T | V, "LOAD UNLOAD" },
        /* 1B                  SCAN */
        { 0x1B, S, "SCAN" },
        /* 1B    O             STOP PRINT */
        { 0x1B, L, "STOP PRINT" },
        /* 1B         O        OPEN/CLOSE IMPORT/EXPORT ELEMENT */
        { 0x1B, M, "OPEN/CLOSE IMPORT/EXPORT ELEMENT" },
        /* 1C  OOOOO OOOM OOO  RECEIVE DIAGNOSTIC RESULTS */
        { 0x1C, ALL & ~(R | B), "RECEIVE DIAGNOSTIC RESULTS" },
        /* 1D  MMMMM MMOM MMM  SEND DIAGNOSTIC */
        { 0x1D, ALL & ~(R | B), "SEND DIAGNOSTIC" },
        /* 1E  OO  OOOO   O O  PREVENT ALLOW MEDIUM REMOVAL */
        { 0x1E, D | T | W | R | O | M | K | F, "PREVENT ALLOW MEDIUM REMOVAL" },
        /* 1F */
        /* 20  V   VVV    V */
        /* 21  V   VVV    V */
        /* 22  V   VVV    V */
        /* 23  V   V V    V */
        /* 23       O          READ FORMAT CAPACITIES */
        { 0x23, R, "READ FORMAT CAPACITIES" },
        /* 24  V   VV          SET WINDOW */
        { 0x24, S, "SET WINDOW" },
        /* 25  M   M M   M     READ CAPACITY(10) */
        { 0x25, D | W | O | B, "READ CAPACITY(10)" },
        /* 25       O          READ CAPACITY */
        { 0x25, R, "READ CAPACITY" },
        /* 25             M    READ CARD CAPACITY */
        { 0x25, K, "READ CARD CAPACITY" },
        /* 25                  GET WINDOW */
        { 0x25, S, "GET WINDOW" },
        /* 26  V   VV */
        /* 27  V   VV */
        /* 28  M   MOM   MM    READ(10) */
        { 0x28, D | W | R | O | B | K | S, "READ(10)" },
        /* 28                  GET MESSAGE(10) */
        { 0x28, C, "GET MESSAGE(10)" },
        /* 29  V   VVO         READ GENERATION */
        { 0x29, O, "READ GENERATION" },
        /* 2A  O   MOM   MO    WRITE(10) */
        { 0x2A, D | W | R | O | B | K, "WRITE(10)" },
        /* 2A                  SEND(10) */
        { 0x2A, S, "SEND(10)" },
        /* 2A                  SEND MESSAGE(10) */
        { 0x2A, C, "SEND MESSAGE(10)" },
        /* 2B  Z   OOO    O    SEEK(10) */
        { 0x2B, D | W | R | O | K, "SEEK(10)" },
        /* 2B   O              LOCATE(10) */
        { 0x2B, T, "LOCATE(10)" },
        /* 2B         O        POSITION TO ELEMENT */
        { 0x2B, M, "POSITION TO ELEMENT" },
        /* 2C  V    OO         ERASE(10) */
        { 0x2C, R | O, "ERASE(10)" },
        /* 2D        O         READ UPDATED BLOCK */
        { 0x2D, O, "READ UPDATED BLOCK" },
        /* 2D  V */
        /* 2E  O   OOO   MO    WRITE AND VERIFY(10) */
        { 0x2E, D | W | R | O | B | K, "WRITE AND VERIFY(10)" },
        /* 2F  O   OOO         VERIFY(10) */
        { 0x2F, D | W | R | O, "VERIFY(10)" },
        /* 30  Z   ZZZ         SEARCH DATA HIGH(10) */
        { 0x30, D | W | R | O, "SEARCH DATA HIGH(10)" },
        /* 31  Z   ZZZ         SEARCH DATA EQUAL(10) */
        { 0x31, D | W | R | O, "SEARCH DATA EQUAL(10)" },
        /* 31                  OBJECT POSITION */
        { 0x31, S, "OBJECT POSITION" },
        /* 32  Z   ZZZ         SEARCH DATA LOW(10) */
        { 0x32, D | W | R | O, "SEARCH DATA LOW(10)" },
        /* 33  Z   OZO         SET LIMITS(10) */
        { 0x33, D | W | R | O, "SET LIMITS(10)" },
        /* 34  O   O O    O    PRE-FETCH(10) */
        { 0x34, D | W | O | K, "PRE-FETCH(10)" },
        /* 34   M              READ POSITION */
        { 0x34, T, "READ POSITION" },
        /* 34                  GET DATA BUFFER STATUS */
        { 0x34, S, "GET DATA BUFFER STATUS" },
        /* 35  O   OOO   MO    SYNCHRONIZE CACHE(10) */
        { 0x35, D | W | R | O | B | K, "SYNCHRONIZE CACHE(10)" },
        /* 36  Z   O O    O    LOCK UNLOCK CACHE(10) */
        { 0x36, D | W | O | K, "LOCK UNLOCK CACHE(10)" },
        /* 37  O     O         READ DEFECT DATA(10) */
        { 0x37, D | O, "READ DEFECT DATA(10)" },
        /* 37         O        INITIALIZE ELEMENT STATUS WITH RANGE */
        { 0x37, M, "INITIALIZE ELEMENT STATUS WITH RANGE" },
        /* 38      O O    O    MEDIUM SCAN */
        { 0x38, W | O | K, "MEDIUM SCAN" },
        /* 39  ZZZZOZO    Z    COMPARE */
        { 0x39, D | T | L | P | W | R | O | K | S, "COMPARE" },
        /* 3A  ZZZZOZO    Z    COPY AND VERIFY */
        { 0x3A, D | T | L | P | W | R | O | K | S, "COPY AND VERIFY" },
        /* 3B  OOOOOOOOOOMOOO  WRITE BUFFER */
        { 0x3B, ALL, "WRITE BUFFER" },
        /* 3C  OOOOOOOOOO OOO  READ BUFFER */
        { 0x3C, ALL & ~(B), "READ BUFFER" },
        /* 3D        O         UPDATE BLOCK */
        { 0x3D, O, "UPDATE BLOCK" },
        /* 3E  O   O O         READ LONG(10) */
        { 0x3E, D | W | O, "READ LONG(10)" },
        /* 3F  O   O O         WRITE LONG(10) */
        { 0x3F, D | W | O, "WRITE LONG(10)" },
        /* 40  ZZZZOZOZ        CHANGE DEFINITION */
        { 0x40, D | T | L | P | W | R | O | M | S | C, "CHANGE DEFINITION" },
        /* 41  O               WRITE SAME(10) */
        { 0x41, D, "WRITE SAME(10)" },
        /* 42  O               UNMAP */
        { 0x42, D, "UNMAP" },
        /* 42       O          READ SUB-CHANNEL */
        { 0x42, R, "READ SUB-CHANNEL" },
        /* 43       O          READ TOC/PMA/ATIP */
        { 0x43, R, "READ TOC/PMA/ATIP" },
        /* 44   M          M   REPORT DENSITY SUPPORT */
        { 0x44, T | V, "REPORT DENSITY SUPPORT" },
        /* 44                  READ HEADER */
        /* 45       O          PLAY AUDIO(10) */
        { 0x45, R, "PLAY AUDIO(10)" },
        /* 46       M          GET CONFIGURATION */
        { 0x46, R, "GET CONFIGURATION" },
        /* 47       O          PLAY AUDIO MSF */
        { 0x47, R, "PLAY AUDIO MSF" },
        /* 48  O               SANITIZE */
        { 0x48, D, "SANITIZE" },
        /* 49 */
        /* 4A       M          GET EVENT STATUS NOTIFICATION */
        { 0x4A, R, "GET EVENT STATUS NOTIFICATION" },
        /* 4B       O          PAUSE/RESUME */
        { 0x4B, R, "PAUSE/RESUME" },
        /* 4C  OOOOO OOOO OOO  LOG SELECT */
        { 0x4C, ALL & ~(R | B), "LOG SELECT" },
        /* 4D  OOOOO OOOO OMO  LOG SENSE */
        { 0x4D, ALL & ~(R | B), "LOG SENSE" },
        /* 4E       O          STOP PLAY/SCAN */
        { 0x4E, R, "STOP PLAY/SCAN" },
        /* 4F */
        /* 50  O               XDWRITE(10) */
        { 0x50, D, "XDWRITE(10)" },
        /* 51  O               XPWRITE(10) */
        { 0x51, D, "XPWRITE(10)" },
        /* 51       O          READ DISC INFORMATION */
        { 0x51, R, "READ DISC INFORMATION" },
        /* 52  O               XDREAD(10) */
        { 0x52, D, "XDREAD(10)" },
        /* 52       O          READ TRACK INFORMATION */
        { 0x52, R, "READ TRACK INFORMATION" },
        /* 53  O               XDWRITEREAD(10) */
        { 0x53, D, "XDWRITEREAD(10)" },
        /* 53       O          RESERVE TRACK */
        { 0x53, R, "RESERVE TRACK" },
        /* 54       O          SEND OPC INFORMATION */
        { 0x54, R, "SEND OPC INFORMATION" },
        /* 55  OOO OMOOOOMOMO  MODE SELECT(10) */
        { 0x55, ALL & ~(P), "MODE SELECT(10)" },
        /* 56  ZZMZO OOOZ      RESERVE(10) */
        { 0x56, ALL & ~(R | B | K | V | F | C), "RESERVE(10)" },
        /* 56         Z        RESERVE ELEMENT(10) */
        { 0x56, M, "RESERVE ELEMENT(10)" },
        /* 57  ZZMZO OOOZ      RELEASE(10) */
        { 0x57, ALL & ~(R | B | K | V | F | C), "RELEASE(10)" },
        /* 57         Z        RELEASE ELEMENT(10) */
        { 0x57, M, "RELEASE ELEMENT(10)" },
        /* 58       O          REPAIR TRACK */
        { 0x58, R, "REPAIR TRACK" },
        /* 59 */
        /* 5A  OOO OMOOOOMOMO  MODE SENSE(10) */
        { 0x5A, ALL & ~(P), "MODE SENSE(10)" },
        /* 5B       O          CLOSE TRACK/SESSION */
        { 0x5B, R, "CLOSE TRACK/SESSION" },
        /* 5C       O          READ BUFFER CAPACITY */
        { 0x5C, R, "READ BUFFER CAPACITY" },
        /* 5D       O          SEND CUE SHEET */
        { 0x5D, R, "SEND CUE SHEET" },
        /* 5E  OOOOO OOOO   M  PERSISTENT RESERVE IN */
        { 0x5E, ALL & ~(R | B | K | V | C), "PERSISTENT RESERVE IN" },
        /* 5F  OOOOO OOOO   M  PERSISTENT RESERVE OUT */
        { 0x5F, ALL & ~(R | B | K | V | C), "PERSISTENT RESERVE OUT" },
        /* 7E  OO   O OOOO O   extended CDB */
        { 0x7E, D | T | R | M | A | E | B | V, "extended CDB" },
        /* 7F  O            M  variable length CDB (more than 16 bytes) */
        { 0x7F, D | F, "variable length CDB (more than 16 bytes)" },
        /* 80  Z               XDWRITE EXTENDED(16) */
        { 0x80, D, "XDWRITE EXTENDED(16)" },
        /* 80   M              WRITE FILEMARKS(16) */
        { 0x80, T, "WRITE FILEMARKS(16)" },
        /* 81  Z               REBUILD(16) */
        { 0x81, D, "REBUILD(16)" },
        /* 81   O              READ REVERSE(16) */
        { 0x81, T, "READ REVERSE(16)" },
        /* 82  Z               REGENERATE(16) */
        { 0x82, D, "REGENERATE(16)" },
        /* 82   O              ALLOW OVERWRITE */
        { 0x82, T, "ALLOW OVERWRITE" },
        /* 83  OOOOO O    OO   EXTENDED COPY */
        { 0x83, D | T | L | P | W | O | K | V, "EXTENDED COPY" },
        /* 84  OOOOO O    OO   RECEIVE COPY RESULTS */
        { 0x84, D | T | L | P | W | O | K | V, "RECEIVE COPY RESULTS" },
        /* 85  O    O    O     ATA COMMAND PASS THROUGH(16) */
        { 0x85, D | R | B, "ATA COMMAND PASS THROUGH(16)" },
        /* 86  OO OO OOOOOOO   ACCESS CONTROL IN */
        { 0x86, ALL & ~(L | R | F), "ACCESS CONTROL IN" },
        /* 87  OO OO OOOOOOO   ACCESS CONTROL OUT */
        { 0x87, ALL & ~(L | R | F), "ACCESS CONTROL OUT" },
        /* 88  MM  O O   O     READ(16) */
        { 0x88, D | T | W | O | B, "READ(16)" },
        /* 89  O               COMPARE AND WRITE*/
        { 0x89, D, "COMPARE AND WRITE" },
        /* 8A  OM  O O   O     WRITE(16) */
        { 0x8A, D | T | W | O | B, "WRITE(16)" },
        /* 8B  O               ORWRITE */
        { 0x8B, D, "ORWRITE" },
        /* 8C  OO  O OO  O M   READ ATTRIBUTE */
        { 0x8C, D | T | W | O | M | B | V, "READ ATTRIBUTE" },
        /* 8D  OO  O OO  O O   WRITE ATTRIBUTE */
        { 0x8D, D | T | W | O | M | B | V, "WRITE ATTRIBUTE" },
        /* 8E  O   O O   O     WRITE AND VERIFY(16) */
        { 0x8E, D | W | O | B, "WRITE AND VERIFY(16)" },
        /* 8F  OO  O O   O     VERIFY(16) */
        { 0x8F, D | T | W | O | B, "VERIFY(16)" },
        /* 90  O   O O   O     PRE-FETCH(16) */
        { 0x90, D | W | O | B, "PRE-FETCH(16)" },
        /* 91  O   O O   O     SYNCHRONIZE CACHE(16) */
        { 0x91, D | W | O | B, "SYNCHRONIZE CACHE(16)" },
        /* 91   O              SPACE(16) */
        { 0x91, T, "SPACE(16)" },
        /* 92  Z   O O         LOCK UNLOCK CACHE(16) */
        { 0x92, D | W | O, "LOCK UNLOCK CACHE(16)" },
        /* 92   O              LOCATE(16) */
        { 0x92, T, "LOCATE(16)" },
        /* 93  O               WRITE SAME(16) */
        { 0x93, D, "WRITE SAME(16)" },
        /* 93   M              ERASE(16) */
        { 0x93, T, "ERASE(16)" },
        /* 94  O               ZBC OUT */
        { 0x94, ALL, "ZBC OUT" },
        /* 95  O               ZBC IN */
        { 0x95, ALL, "ZBC IN" },
        /* 96 */
        /* 97 */
        /* 98 */
        /* 99 */
        /* 9A  O               WRITE STREAM(16) */
        { 0x9A, D, "WRITE STREAM(16)" },
        /* 9B  OOOOOOOOOO OOO  READ BUFFER(16) */
        { 0x9B, ALL & ~(B) , "READ BUFFER(16)" },
        /* 9C  O              WRITE ATOMIC(16) */
        { 0x9C, D, "WRITE ATOMIC(16)" },
        /* 9D                  SERVICE ACTION BIDIRECTIONAL */
        { 0x9D, ALL, "SERVICE ACTION BIDIRECTIONAL" },
        /* XXX KDM ALL for this?  op-num.txt defines it for none.. */
        /* 9E                  SERVICE ACTION IN(16) */
        { 0x9E, ALL, "SERVICE ACTION IN(16)" },
        /* 9F              M   SERVICE ACTION OUT(16) */
        { 0x9F, ALL, "SERVICE ACTION OUT(16)" },
        /* A0  MMOOO OMMM OMO  REPORT LUNS */
        { 0xA0, ALL & ~(R | B), "REPORT LUNS" },
        /* A1       O          BLANK */
        { 0xA1, R, "BLANK" },
        /* A1  O         O     ATA COMMAND PASS THROUGH(12) */
        { 0xA1, D | B, "ATA COMMAND PASS THROUGH(12)" },
        /* A2  OO   O      O   SECURITY PROTOCOL IN */
        { 0xA2, D | T | R | V, "SECURITY PROTOCOL IN" },
        /* A3  OOO O OOMOOOM   MAINTENANCE (IN) */
        { 0xA3, ALL & ~(P | R | F), "MAINTENANCE (IN)" },
        /* A3       O          SEND KEY */
        { 0xA3, R, "SEND KEY" },
        /* A4  OOO O OOOOOOO   MAINTENANCE (OUT) */
        { 0xA4, ALL & ~(P | R | F), "MAINTENANCE (OUT)" },
        /* A4       O          REPORT KEY */
        { 0xA4, R, "REPORT KEY" },
        /* A5   O  O OM        MOVE MEDIUM */
        { 0xA5, T | W | O | M, "MOVE MEDIUM" },
        /* A5       O          PLAY AUDIO(12) */
        { 0xA5, R, "PLAY AUDIO(12)" },
        /* A6         O        EXCHANGE MEDIUM */
        { 0xA6, M, "EXCHANGE MEDIUM" },
        /* A6       O          LOAD/UNLOAD C/DVD */
        { 0xA6, R, "LOAD/UNLOAD C/DVD" },
        /* A7  ZZ  O O         MOVE MEDIUM ATTACHED */
        { 0xA7, D | T | W | O, "MOVE MEDIUM ATTACHED" },
        /* A7       O          SET READ AHEAD */
        { 0xA7, R, "SET READ AHEAD" },
        /* A8  O   OOO         READ(12) */
        { 0xA8, D | W | R | O, "READ(12)" },
        /* A8                  GET MESSAGE(12) */
        { 0xA8, C, "GET MESSAGE(12)" },
        /* A9              O   SERVICE ACTION OUT(12) */
        { 0xA9, V, "SERVICE ACTION OUT(12)" },
        /* AA  O   OOO         WRITE(12) */
        { 0xAA, D | W | R | O, "WRITE(12)" },
        /* AA                  SEND MESSAGE(12) */
        { 0xAA, C, "SEND MESSAGE(12)" },
        /* AB       O      O   SERVICE ACTION IN(12) */
        { 0xAB, R | V, "SERVICE ACTION IN(12)" },
        /* AC        O         ERASE(12) */
        { 0xAC, O, "ERASE(12)" },
        /* AC       O          GET PERFORMANCE */
        { 0xAC, R, "GET PERFORMANCE" },
        /* AD       O          READ DVD STRUCTURE */
        { 0xAD, R, "READ DVD STRUCTURE" },
        /* AE  O   O O         WRITE AND VERIFY(12) */
        { 0xAE, D | W | O, "WRITE AND VERIFY(12)" },
        /* AF  O   OZO         VERIFY(12) */
        { 0xAF, D | W | R | O, "VERIFY(12)" },
        /* B0      ZZZ         SEARCH DATA HIGH(12) */
        { 0xB0, W | R | O, "SEARCH DATA HIGH(12)" },
        /* B1      ZZZ         SEARCH DATA EQUAL(12) */
        { 0xB1, W | R | O, "SEARCH DATA EQUAL(12)" },
        /* B2      ZZZ         SEARCH DATA LOW(12) */
        { 0xB2, W | R | O, "SEARCH DATA LOW(12)" },
        /* B3  Z   OZO         SET LIMITS(12) */
        { 0xB3, D | W | R | O, "SET LIMITS(12)" },
        /* B4  ZZ  OZO         READ ELEMENT STATUS ATTACHED */
        { 0xB4, D | T | W | R | O, "READ ELEMENT STATUS ATTACHED" },
        /* B5  OO   O      O   SECURITY PROTOCOL OUT */
        { 0xB5, D | T | R | V, "SECURITY PROTOCOL OUT" },
        /* B5         O        REQUEST VOLUME ELEMENT ADDRESS */
        { 0xB5, M, "REQUEST VOLUME ELEMENT ADDRESS" },
        /* B6         O        SEND VOLUME TAG */
        { 0xB6, M, "SEND VOLUME TAG" },
        /* B6       O          SET STREAMING */
        { 0xB6, R, "SET STREAMING" },
        /* B7  O     O         READ DEFECT DATA(12) */
        { 0xB7, D | O, "READ DEFECT DATA(12)" },
        /* B8   O  OZOM        READ ELEMENT STATUS */
        { 0xB8, T | W | R | O | M, "READ ELEMENT STATUS" },
        /* B9       O          READ CD MSF */
        { 0xB9, R, "READ CD MSF" },
        /* BA  O   O OOMO      REDUNDANCY GROUP (IN) */
        { 0xBA, D | W | O | M | A | E, "REDUNDANCY GROUP (IN)" },
        /* BA       O          SCAN */
        { 0xBA, R, "SCAN" },
        /* BB  O   O OOOO      REDUNDANCY GROUP (OUT) */
        { 0xBB, D | W | O | M | A | E, "REDUNDANCY GROUP (OUT)" },
        /* BB       O          SET CD SPEED */
        { 0xBB, R, "SET CD SPEED" },
        /* BC  O   O OOMO      SPARE (IN) */
        { 0xBC, D | W | O | M | A | E, "SPARE (IN)" },
        /* BD  O   O OOOO      SPARE (OUT) */
        { 0xBD, D | W | O | M | A | E, "SPARE (OUT)" },
        /* BD       O          MECHANISM STATUS */
        { 0xBD, R, "MECHANISM STATUS" },
        /* BE  O   O OOMO      VOLUME SET (IN) */
        { 0xBE, D | W | O | M | A | E, "VOLUME SET (IN)" },
        /* BE       O          READ CD */
        { 0xBE, R, "READ CD" },
        /* BF  O   O OOOO      VOLUME SET (OUT) */
        { 0xBF, D | W | O | M | A | E, "VOLUME SET (OUT)" },
        /* BF       O          SEND DVD STRUCTURE */
        { 0xBF, R, "SEND DVD STRUCTURE" }
};

const char *
scsi_op_desc(uint16_t opcode, struct scsi_inquiry_data *inq_data)
{
        caddr_t match;
        int i, j;
        uint32_t opmask;
        uint16_t pd_type;
        int       num_ops[2];
        struct op_table_entry *table[2];
        int num_tables;

        /*
         * If we've got inquiry data, use it to determine what type of
         * device we're dealing with here.  Otherwise, assume direct
         * access.
         */
        if (inq_data == NULL) {
                pd_type = T_DIRECT;
                match = NULL;
        } else {
                pd_type = SID_TYPE(inq_data);

                match = cam_quirkmatch((caddr_t)inq_data,
                                       (caddr_t)scsi_op_quirk_table,
                                       nitems(scsi_op_quirk_table),
                                       sizeof(*scsi_op_quirk_table),
                                       scsi_inquiry_match);
        }

        if (match != NULL) {
                table[0] = ((struct scsi_op_quirk_entry *)match)->op_table;
                num_ops[0] = ((struct scsi_op_quirk_entry *)match)->num_ops;
                table[1] = scsi_op_codes;
                num_ops[1] = nitems(scsi_op_codes);
                num_tables = 2;
        } else {
                /*
                 * If this is true, we have a vendor specific opcode that
                 * wasn't covered in the quirk table.
                 */
                if ((opcode > 0xBF) || ((opcode > 0x5F) && (opcode < 0x80)))
                        return("Vendor Specific Command");

                table[0] = scsi_op_codes;
                num_ops[0] = nitems(scsi_op_codes);
                num_tables = 1;
        }

        /* RBC is 'Simplified' Direct Access Device */
        if (pd_type == T_RBC)
                pd_type = T_DIRECT;

        /*
         * Host managed drives are direct access for the most part.
         */
        if (pd_type == T_ZBC_HM)
                pd_type = T_DIRECT;

        /* Map NODEVICE to Direct Access Device to handle REPORT LUNS, etc. */
        if (pd_type == T_NODEVICE)
                pd_type = T_DIRECT;

        opmask = 1 << pd_type;

        for (j = 0; j < num_tables; j++) {
                for (i = 0; i < num_ops[j] && table[j][i].opcode <= opcode; i++) {
                        if ((table[j][i].opcode == opcode)
                         && ((table[j][i].opmask & opmask) != 0))
                                return(table[j][i].desc);
                }
        }

        /*
         * If we can't find a match for the command in the table, we just
         * assume it's a vendor specifc command.
         */
        return("Vendor Specific Command");

}

#else /* SCSI_NO_OP_STRINGS */

const char *
scsi_op_desc(uint16_t opcode, struct scsi_inquiry_data *inq_data)
{
        return("");
}

#endif

#if !defined(SCSI_NO_SENSE_STRINGS)
#define SST(asc, ascq, action, desc) \
        asc, ascq, action, desc
#else
const char empty_string[] = "";

#define SST(asc, ascq, action, desc) \
        asc, ascq, action, empty_string
#endif

const struct sense_key_table_entry sense_key_table[] =
{
        { SSD_KEY_NO_SENSE, SS_NOP, "NO SENSE" },
        { SSD_KEY_RECOVERED_ERROR, SS_NOP|SSQ_PRINT_SENSE, "RECOVERED ERROR" },
        { SSD_KEY_NOT_READY, SS_RDEF, "NOT READY" },
        { SSD_KEY_MEDIUM_ERROR, SS_RDEF, "MEDIUM ERROR" },
        { SSD_KEY_HARDWARE_ERROR, SS_RDEF, "HARDWARE FAILURE" },
        { SSD_KEY_ILLEGAL_REQUEST, SS_FATAL|EINVAL, "ILLEGAL REQUEST" },
        { SSD_KEY_UNIT_ATTENTION, SS_FATAL|ENXIO, "UNIT ATTENTION" },
        { SSD_KEY_DATA_PROTECT, SS_FATAL|EACCES, "DATA PROTECT" },
        { SSD_KEY_BLANK_CHECK, SS_FATAL|ENOSPC, "BLANK CHECK" },
        { SSD_KEY_Vendor_Specific, SS_FATAL|EIO, "Vendor Specific" },
        { SSD_KEY_COPY_ABORTED, SS_FATAL|EIO, "COPY ABORTED" },
        { SSD_KEY_ABORTED_COMMAND, SS_RDEF, "ABORTED COMMAND" },
        { SSD_KEY_EQUAL, SS_NOP, "EQUAL" },
        { SSD_KEY_VOLUME_OVERFLOW, SS_FATAL|EIO, "VOLUME OVERFLOW" },
        { SSD_KEY_MISCOMPARE, SS_NOP, "MISCOMPARE" },
        { SSD_KEY_COMPLETED, SS_NOP, "COMPLETED" }
};

static struct asc_table_entry quantum_fireball_entries[] = {
        { SST(0x04, 0x0b, SS_START | SSQ_DECREMENT_COUNT | ENXIO,
             "Logical unit not ready, initializing cmd. required") }
};

static struct asc_table_entry sony_mo_entries[] = {
        { SST(0x04, 0x00, SS_START | SSQ_DECREMENT_COUNT | ENXIO,
             "Logical unit not ready, cause not reportable") }
};

static struct asc_table_entry hgst_entries[] = {
        { SST(0x04, 0xF0, SS_RDEF,
            "Vendor Unique - Logical Unit Not Ready") },
        { SST(0x0A, 0x01, SS_RDEF,
            "Unrecovered Super Certification Log Write Error") },
        { SST(0x0A, 0x02, SS_RDEF,
            "Unrecovered Super Certification Log Read Error") },
        { SST(0x15, 0x03, SS_RDEF,
            "Unrecovered Sector Error") },
        { SST(0x3E, 0x04, SS_RDEF,
            "Unrecovered Self-Test Hard-Cache Test Fail") },
        { SST(0x3E, 0x05, SS_RDEF,
            "Unrecovered Self-Test OTF-Cache Fail") },
        { SST(0x40, 0x00, SS_RDEF,
            "Unrecovered SAT No Buffer Overflow Error") },
        { SST(0x40, 0x01, SS_RDEF,
            "Unrecovered SAT Buffer Overflow Error") },
        { SST(0x40, 0x02, SS_RDEF,
            "Unrecovered SAT No Buffer Overflow With ECS Fault") },
        { SST(0x40, 0x03, SS_RDEF,
            "Unrecovered SAT Buffer Overflow With ECS Fault") },
        { SST(0x40, 0x81, SS_RDEF,
            "DRAM Failure") },
        { SST(0x44, 0x0B, SS_RDEF,
            "Vendor Unique - Internal Target Failure") },
        { SST(0x44, 0xF2, SS_RDEF,
            "Vendor Unique - Internal Target Failure") },
        { SST(0x44, 0xF6, SS_RDEF,
            "Vendor Unique - Internal Target Failure") },
        { SST(0x44, 0xF9, SS_RDEF,
            "Vendor Unique - Internal Target Failure") },
        { SST(0x44, 0xFA, SS_RDEF,
            "Vendor Unique - Internal Target Failure") },
        { SST(0x5D, 0x22, SS_RDEF,
            "Extreme Over-Temperature Warning") },
        { SST(0x5D, 0x50, SS_RDEF,
            "Load/Unload cycle Count Warning") },
        { SST(0x81, 0x00, SS_RDEF,
            "Vendor Unique - Internal Logic Error") },
        { SST(0x85, 0x00, SS_RDEF,
            "Vendor Unique - Internal Key Seed Error") },
};

static struct asc_table_entry seagate_entries[] = {
        { SST(0x04, 0xF0, SS_RDEF,
            "Logical Unit Not Ready, super certify in Progress") },
        { SST(0x08, 0x86, SS_RDEF,
            "Write Fault Data Corruption") },
        { SST(0x09, 0x0D, SS_RDEF,
            "Tracking Failure") },
        { SST(0x09, 0x0E, SS_RDEF,
            "ETF Failure") },
        { SST(0x0B, 0x5D, SS_RDEF,
            "Pre-SMART Warning") },
        { SST(0x0B, 0x85, SS_RDEF,
            "5V Voltage Warning") },
        { SST(0x0B, 0x8C, SS_RDEF,
            "12V Voltage Warning") },
        { SST(0x0C, 0xFF, SS_RDEF,
            "Write Error - Too many error recovery revs") },
        { SST(0x11, 0xFF, SS_RDEF,
            "Unrecovered Read Error - Too many error recovery revs") },
        { SST(0x19, 0x0E, SS_RDEF,
            "Fewer than 1/2 defect list copies") },
        { SST(0x20, 0xF3, SS_RDEF,
            "Illegal CDB linked to skip mask cmd") },
        { SST(0x24, 0xF0, SS_RDEF,
            "Illegal byte in CDB, LBA not matching") },
        { SST(0x24, 0xF1, SS_RDEF,
            "Illegal byte in CDB, LEN not matching") },
        { SST(0x24, 0xF2, SS_RDEF,
            "Mask not matching transfer length") },
        { SST(0x24, 0xF3, SS_RDEF,
            "Drive formatted without plist") },
        { SST(0x26, 0x95, SS_RDEF,
            "Invalid Field Parameter - CAP File") },
        { SST(0x26, 0x96, SS_RDEF,
            "Invalid Field Parameter - RAP File") },
        { SST(0x26, 0x97, SS_RDEF,
            "Invalid Field Parameter - TMS Firmware Tag") },
        { SST(0x26, 0x98, SS_RDEF,
            "Invalid Field Parameter - Check Sum") },
        { SST(0x26, 0x99, SS_RDEF,
            "Invalid Field Parameter - Firmware Tag") },
        { SST(0x29, 0x08, SS_RDEF,
            "Write Log Dump data") },
        { SST(0x29, 0x09, SS_RDEF,
            "Write Log Dump data") },
        { SST(0x29, 0x0A, SS_RDEF,
            "Reserved disk space") },
        { SST(0x29, 0x0B, SS_RDEF,
            "SDBP") },
        { SST(0x29, 0x0C, SS_RDEF,
            "SDBP") },
        { SST(0x31, 0x91, SS_RDEF,
            "Format Corrupted World Wide Name (WWN) is Invalid") },
        { SST(0x32, 0x03, SS_RDEF,
            "Defect List - Length exceeds Command Allocated Length") },
        { SST(0x33, 0x00, SS_RDEF,
            "Flash not ready for access") },
        { SST(0x3F, 0x70, SS_RDEF,
            "Invalid RAP block") },
        { SST(0x3F, 0x71, SS_RDEF,
            "RAP/ETF mismatch") },
        { SST(0x3F, 0x90, SS_RDEF,
            "Invalid CAP block") },
        { SST(0x3F, 0x91, SS_RDEF,
            "World Wide Name (WWN) Mismatch") },
        { SST(0x40, 0x01, SS_RDEF,
            "DRAM Parity Error") },
        { SST(0x40, 0x02, SS_RDEF,
            "DRAM Parity Error") },
        { SST(0x42, 0x0A, SS_RDEF,
            "Loopback Test") },
        { SST(0x42, 0x0B, SS_RDEF,
            "Loopback Test") },
        { SST(0x44, 0xF2, SS_RDEF,
            "Compare error during data integrity check") },
        { SST(0x44, 0xF6, SS_RDEF,
            "Unrecoverable error during data integrity check") },
        { SST(0x47, 0x80, SS_RDEF,
            "Fibre Channel Sequence Error") },
        { SST(0x4E, 0x01, SS_RDEF,
            "Information Unit Too Short") },
        { SST(0x80, 0x00, SS_RDEF,
            "General Firmware Error / Command Timeout") },
        { SST(0x80, 0x01, SS_RDEF,
            "Command Timeout") },
        { SST(0x80, 0x02, SS_RDEF,
            "Command Timeout") },
        { SST(0x80, 0x80, SS_RDEF,
            "FC FIFO Error During Read Transfer") },
        { SST(0x80, 0x81, SS_RDEF,
            "FC FIFO Error During Write Transfer") },
        { SST(0x80, 0x82, SS_RDEF,
            "DISC FIFO Error During Read Transfer") },
        { SST(0x80, 0x83, SS_RDEF,
            "DISC FIFO Error During Write Transfer") },
        { SST(0x80, 0x84, SS_RDEF,
            "LBA Seeded LRC Error on Read") },
        { SST(0x80, 0x85, SS_RDEF,
            "LBA Seeded LRC Error on Write") },
        { SST(0x80, 0x86, SS_RDEF,
            "IOEDC Error on Read") },
        { SST(0x80, 0x87, SS_RDEF,
            "IOEDC Error on Write") },
        { SST(0x80, 0x88, SS_RDEF,
            "Host Parity Check Failed") },
        { SST(0x80, 0x89, SS_RDEF,
            "IOEDC error on read detected by formatter") },
        { SST(0x80, 0x8A, SS_RDEF,
            "Host Parity Errors / Host FIFO Initialization Failed") },
        { SST(0x80, 0x8B, SS_RDEF,
            "Host Parity Errors") },
        { SST(0x80, 0x8C, SS_RDEF,
            "Host Parity Errors") },
        { SST(0x80, 0x8D, SS_RDEF,
            "Host Parity Errors") },
        { SST(0x81, 0x00, SS_RDEF,
            "LA Check Failed") },
        { SST(0x82, 0x00, SS_RDEF,
            "Internal client detected insufficient buffer") },
        { SST(0x84, 0x00, SS_RDEF,
            "Scheduled Diagnostic And Repair") },
};

static struct scsi_sense_quirk_entry sense_quirk_table[] = {
        {
                /*
                 * XXX The Quantum Fireball ST and SE like to return 0x04 0x0b
                 * when they really should return 0x04 0x02.
                 */
                {T_DIRECT, SIP_MEDIA_FIXED, "QUANTUM", "FIREBALL S*", "*"},
                /*num_sense_keys*/0,
                nitems(quantum_fireball_entries),
                /*sense key entries*/NULL,
                quantum_fireball_entries
        },
        {
                /*
                 * This Sony MO drive likes to return 0x04, 0x00 when it
                 * isn't spun up.
                 */
                {T_DIRECT, SIP_MEDIA_REMOVABLE, "SONY", "SMO-*", "*"},
                /*num_sense_keys*/0,
                nitems(sony_mo_entries),
                /*sense key entries*/NULL,
                sony_mo_entries
        },
        {
                /*
                 * HGST vendor-specific error codes
                 */
                {T_DIRECT, SIP_MEDIA_FIXED, "HGST", "*", "*"},
                /*num_sense_keys*/0,
                nitems(hgst_entries),
                /*sense key entries*/NULL,
                hgst_entries
        },
        {
                /*
                 * SEAGATE vendor-specific error codes
                 */
                {T_DIRECT, SIP_MEDIA_FIXED, "SEAGATE", "*", "*"},
                /*num_sense_keys*/0,
                nitems(seagate_entries),
                /*sense key entries*/NULL,
                seagate_entries
        }
};

const u_int sense_quirk_table_size = nitems(sense_quirk_table);

static struct asc_table_entry asc_table[] = {
        /*
         * From: http://www.t10.org/lists/asc-num.txt
         * Modifications by Jung-uk Kim (jkim@FreeBSD.org)
         */
        /*
         * File: ASC-NUM.TXT
         *
         * SCSI ASC/ASCQ Assignments
         * Numeric Sorted Listing
         * as of  Sat Mar 25 2023 at 04:30 (using old columns)
         *
         * D - DIRECT ACCESS DEVICE (SBC-2)                   device column key
         * .T - SEQUENTIAL ACCESS DEVICE (SSC)               -------------------
         * . L - PRINTER DEVICE (SSC)                           blank = reserved
         * .  P - PROCESSOR DEVICE (SPC)                     not blank = allowed
         * .  .W - WRITE ONCE READ MULTIPLE DEVICE (SBC-2)
         * .  . R - CD DEVICE (MMC)
         * .  .  O - OPTICAL MEMORY DEVICE (SBC-2)
         * .  .  .M - MEDIA CHANGER DEVICE (SMC)
         * .  .  . A - STORAGE ARRAY DEVICE (SCC)
         * .  .  .  E - ENCLOSURE SERVICES DEVICE (SES)
         * .  .  .  .B - SIMPLIFIED DIRECT-ACCESS DEVICE (RBC)
         * .  .  .  . K - OPTICAL CARD READER/WRITER DEVICE (OCRW)
         * .  .  .  .  V - AUTOMATION/DRIVE INTERFACE (ADC)
         * .  .  .  .  .F - OBJECT-BASED STORAGE (OSD)
         * DTLPWROMAEBKVF
         * ASC      ASCQ  Action
         * Description
         */
        /* DTLPWROMAEBKVF */
        { SST(0x00, 0x00, SS_NOP,
            "No additional sense information") },
        /*  T             */
        { SST(0x00, 0x01, SS_RDEF,
            "Filemark detected") },
        /*  T             */
        { SST(0x00, 0x02, SS_RDEF,
            "End-of-partition/medium detected") },
        /*  T             */
        { SST(0x00, 0x03, SS_RDEF,
            "Setmark detected") },
        /*  T             */
        { SST(0x00, 0x04, SS_RDEF,
            "Beginning-of-partition/medium detected") },
        /*  TL            */
        { SST(0x00, 0x05, SS_RDEF,
            "End-of-data detected") },
        /* DTLPWROMAEBKVF */
        { SST(0x00, 0x06, SS_RDEF,
            "I/O process terminated") },
        /*  T             */
        { SST(0x00, 0x07, SS_RDEF,      /* XXX TBD */
            "Programmable early warning detected") },
        /*      R         */
        { SST(0x00, 0x11, SS_FATAL | EBUSY,
            "Audio play operation in progress") },
        /*      R         */
        { SST(0x00, 0x12, SS_NOP,
            "Audio play operation paused") },
        /*      R         */
        { SST(0x00, 0x13, SS_NOP,
            "Audio play operation successfully completed") },
        /*      R         */
        { SST(0x00, 0x14, SS_RDEF,
            "Audio play operation stopped due to error") },
        /*      R         */
        { SST(0x00, 0x15, SS_NOP,
            "No current audio status to return") },
        /* DTLPWROMAEBKVF */
        { SST(0x00, 0x16, SS_FATAL | EBUSY,
            "Operation in progress") },
        /* DTL WROMAEBKVF */
        { SST(0x00, 0x17, SS_RDEF,
            "Cleaning requested") },
        /*  T             */
        { SST(0x00, 0x18, SS_RDEF,      /* XXX TBD */
            "Erase operation in progress") },
        /*  T             */
        { SST(0x00, 0x19, SS_RDEF,      /* XXX TBD */
            "Locate operation in progress") },
        /*  T             */
        { SST(0x00, 0x1A, SS_RDEF,      /* XXX TBD */
            "Rewind operation in progress") },
        /*  T             */
        { SST(0x00, 0x1B, SS_RDEF,      /* XXX TBD */
            "Set capacity operation in progress") },
        /*  T             */
        { SST(0x00, 0x1C, SS_RDEF,      /* XXX TBD */
            "Verify operation in progress") },
        /* DT        B    */
        { SST(0x00, 0x1D, SS_NOP,
            "ATA pass through information available") },
        /* DT   R MAEBKV  */
        { SST(0x00, 0x1E, SS_RDEF,      /* XXX TBD */
            "Conflicting SA creation request") },
        /* DT        B    */
        { SST(0x00, 0x1F, SS_RDEF,      /* XXX TBD */
            "Logical unit transitioning to another power condition") },
        /* DT P      B    */
        { SST(0x00, 0x20, SS_NOP,
            "Extended copy information available") },
        /* D              */
        { SST(0x00, 0x21, SS_RDEF,      /* XXX TBD */
            "Atomic command aborted due to ACA") },
        /* D              */
        { SST(0x00, 0x22, SS_RDEF,      /* XXX TBD */
            "Deferred microcode is pending") },
        /* D              */
        { SST(0x00, 0x23, SS_RDEF,      /* XXX TBD */
            "Overlapping atomic command in progress") },
        /* D   W O   BK   */
        { SST(0x01, 0x00, SS_RDEF,
            "No index/sector signal") },
        /* D   WRO   BK   */
        { SST(0x02, 0x00, SS_FATAL | EIO,
            "No seek complete") },
        /* DTL W O   BK   */
        { SST(0x03, 0x00, SS_RDEF,
            "Peripheral device write fault") },
        /*  T             */
        { SST(0x03, 0x01, SS_RDEF,
            "No write current") },
        /*  T             */
        { SST(0x03, 0x02, SS_RDEF,
            "Excessive write errors") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x00, SS_RDEF,
            "Logical unit not ready, cause not reportable") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x01, SS_WAIT | EBUSY,
            "Logical unit is in process of becoming ready") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x02, SS_START | SSQ_DECREMENT_COUNT | ENXIO,
            "Logical unit not ready, initializing command required") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x03, SS_FATAL | ENXIO,
            "Logical unit not ready, manual intervention required") },
        /* DTL  RO   B    */
        { SST(0x04, 0x04, SS_FATAL | EBUSY,
            "Logical unit not ready, format in progress") },
        /* DT  W O A BK F */
        { SST(0x04, 0x05, SS_FATAL | EBUSY,
            "Logical unit not ready, rebuild in progress") },
        /* DT  W O A BK   */
        { SST(0x04, 0x06, SS_FATAL | EBUSY,
            "Logical unit not ready, recalculation in progress") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x07, SS_FATAL | EBUSY,
            "Logical unit not ready, operation in progress") },
        /*      R         */
        { SST(0x04, 0x08, SS_FATAL | EBUSY,
            "Logical unit not ready, long write in progress") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x09, SS_FATAL | EBUSY,
            "Logical unit not ready, self-test in progress") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x0A, SS_WAIT | ENXIO,
            "Logical unit not accessible, asymmetric access state transition")},
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x0B, SS_FATAL | ENXIO,
            "Logical unit not accessible, target port in standby state") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x0C, SS_FATAL | ENXIO,
            "Logical unit not accessible, target port in unavailable state") },
        /*              F */
        { SST(0x04, 0x0D, SS_RDEF,      /* XXX TBD */
            "Logical unit not ready, structure check required") },
        /* DTL WR MAEBKVF */
        { SST(0x04, 0x0E, SS_RDEF,      /* XXX TBD */
            "Logical unit not ready, security session in progress") },
        /* DT  WROM  B    */
        { SST(0x04, 0x10, SS_FATAL | ENODEV,
            "Logical unit not ready, auxiliary memory not accessible") },
        /* DT  WRO AEB VF */
        { SST(0x04, 0x11, SS_WAIT | ENXIO,
            "Logical unit not ready, notify (enable spinup) required") },
        /*        M    V  */
        { SST(0x04, 0x12, SS_FATAL | ENXIO,
            "Logical unit not ready, offline") },
        /* DT   R MAEBKV  */
        { SST(0x04, 0x13, SS_WAIT | EBUSY,
            "Logical unit not ready, SA creation in progress") },
        /* D         B    */
        { SST(0x04, 0x14, SS_WAIT | ENOSPC,
            "Logical unit not ready, space allocation in progress") },
        /*        M       */
        { SST(0x04, 0x15, SS_FATAL | ENXIO,
            "Logical unit not ready, robotics disabled") },
        /*        M       */
        { SST(0x04, 0x16, SS_FATAL | ENXIO,
            "Logical unit not ready, configuration required") },
        /*        M       */
        { SST(0x04, 0x17, SS_FATAL | ENXIO,
            "Logical unit not ready, calibration required") },
        /*        M       */
        { SST(0x04, 0x18, SS_FATAL | ENXIO,
            "Logical unit not ready, a door is open") },
        /*        M       */
        { SST(0x04, 0x19, SS_FATAL | ENODEV,
            "Logical unit not ready, operating in sequential mode") },
        /* DT        B    */
        { SST(0x04, 0x1A, SS_WAIT | EBUSY,
            "Logical unit not ready, START/STOP UNIT command in progress") },
        /* D         B    */
        { SST(0x04, 0x1B, SS_WAIT | EBUSY,
            "Logical unit not ready, sanitize in progress") },
        /* DT     MAEB    */
        { SST(0x04, 0x1C, SS_START | SSQ_DECREMENT_COUNT | ENXIO,
            "Logical unit not ready, additional power use not yet granted") },
        /* D              */
        { SST(0x04, 0x1D, SS_WAIT | EBUSY,
            "Logical unit not ready, configuration in progress") },
        /* D              */
        { SST(0x04, 0x1E, SS_FATAL | ENXIO,
            "Logical unit not ready, microcode activation required") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x1F, SS_FATAL | ENXIO,
            "Logical unit not ready, microcode download required") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x20, SS_FATAL | ENXIO,
            "Logical unit not ready, logical unit reset required") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x21, SS_FATAL | ENXIO,
            "Logical unit not ready, hard reset required") },
        /* DTLPWROMAEBKVF */
        { SST(0x04, 0x22, SS_FATAL | ENXIO,
            "Logical unit not ready, power cycle required") },
        /* D              */
        { SST(0x04, 0x23, SS_FATAL | ENXIO,
            "Logical unit not ready, affiliation required") },
        /* D              */
        { SST(0x04, 0x24, SS_FATAL | EBUSY,
            "Depopulation in progress") },
        /* D              */
        { SST(0x04, 0x25, SS_FATAL | EBUSY,
            "Depopulation restoration in progress") },
        /* DTL WROMAEBKVF */
        { SST(0x05, 0x00, SS_RDEF,
            "Logical unit does not respond to selection") },
        /* D   WROM  BK   */
        { SST(0x06, 0x00, SS_RDEF,
            "No reference position found") },
        /* DTL WROM  BK   */
        { SST(0x07, 0x00, SS_RDEF,
            "Multiple peripheral devices selected") },
        /* DTL WROMAEBKVF */
        { SST(0x08, 0x00, SS_RDEF,
            "Logical unit communication failure") },
        /* DTL WROMAEBKVF */
        { SST(0x08, 0x01, SS_RDEF,
            "Logical unit communication time-out") },
        /* DTL WROMAEBKVF */
        { SST(0x08, 0x02, SS_RDEF,
            "Logical unit communication parity error") },
        /* DT   ROM  BK   */
        { SST(0x08, 0x03, SS_RDEF,
            "Logical unit communication CRC error (Ultra-DMA/32)") },
        /* DTLPWRO    K   */
        { SST(0x08, 0x04, SS_RDEF,      /* XXX TBD */
            "Unreachable copy target") },
        /* DT  WRO   B    */
        { SST(0x09, 0x00, SS_RDEF,
            "Track following error") },
        /*     WRO    K   */
        { SST(0x09, 0x01, SS_RDEF,
            "Tracking servo failure") },
        /*     WRO    K   */
        { SST(0x09, 0x02, SS_RDEF,
            "Focus servo failure") },
        /*     WRO        */
        { SST(0x09, 0x03, SS_RDEF,
            "Spindle servo failure") },
        /* DT  WRO   B    */
        { SST(0x09, 0x04, SS_RDEF,
            "Head select fault") },
        /* DT   RO   B    */
        { SST(0x09, 0x05, SS_RDEF,
            "Vibration induced tracking error") },
        /* DTLPWROMAEBKVF */
        { SST(0x0A, 0x00, SS_FATAL | ENOSPC,
            "Error log overflow") },
        /* DTLPWROMAEBKVF */
        { SST(0x0B, 0x00, SS_NOP | SSQ_PRINT_SENSE,
            "Warning") },
        /* DTLPWROMAEBKVF */
        { SST(0x0B, 0x01, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - specified temperature exceeded") },
        /* DTLPWROMAEBKVF */
        { SST(0x0B, 0x02, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - enclosure degraded") },
        /* DTLPWROMAEBKVF */
        { SST(0x0B, 0x03, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - background self-test failed") },
        /* DTLPWRO AEBKVF */
        { SST(0x0B, 0x04, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - background pre-scan detected medium error") },
        /* DTLPWRO AEBKVF */
        { SST(0x0B, 0x05, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - background medium scan detected medium error") },
        /* DTLPWROMAEBKVF */
        { SST(0x0B, 0x06, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - non-volatile cache now volatile") },
        /* DTLPWROMAEBKVF */
        { SST(0x0B, 0x07, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - degraded power to non-volatile cache") },
        /* DTLPWROMAEBKVF */
        { SST(0x0B, 0x08, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - power loss expected") },
        /* D              */
        { SST(0x0B, 0x09, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - device statistics notification available") },
        /* DTLPWROMAEBKV  */
        { SST(0x0B, 0x0A, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - High critical temperature limit exceeded") },
        /* DTLPWROMAEBKV  */
        { SST(0x0B, 0x0B, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - Low critical temperature limit exceeded") },
        /* DTLPWROMAEBKV  */
        { SST(0x0B, 0x0C, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - High operating temperature limit exceeded") },
        /* DTLPWROMAEBKV  */
        { SST(0x0B, 0x0D, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - Low operating temperature limit exceeded") },
        /* DTLPWROMAEBKV  */
        { SST(0x0B, 0x0E, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - High citical humidity limit exceeded") },
        /* DTLPWROMAEBKV  */
        { SST(0x0B, 0x0F, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - Low citical humidity limit exceeded") },
        /* DTLPWROMAEBKV  */
        { SST(0x0B, 0x10, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - High operating humidity limit exceeded") },
        /* DTLPWROMAEBKV  */
        { SST(0x0B, 0x11, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - Low operating humidity limit exceeded") },
        /* DTLPWROMAEBKVF */
        { SST(0x0B, 0x12, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - Microcode security at risk") },
        /* DTLPWROMAEBKVF */
        { SST(0x0B, 0x13, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - Microcode digital signature validation failure") },
        /* D              */
        { SST(0x0B, 0x14, SS_NOP | SSQ_PRINT_SENSE,
            "Warning - Physical element status change") },
        /*  T   R         */
        { SST(0x0C, 0x00, SS_RDEF,
            "Write error") },
        /*            K   */
        { SST(0x0C, 0x01, SS_NOP | SSQ_PRINT_SENSE,
            "Write error - recovered with auto reallocation") },
        /* D   W O   BK   */
        { SST(0x0C, 0x02, SS_RDEF,
            "Write error - auto reallocation failed") },
        /* D   W O   BK   */
        { SST(0x0C, 0x03, SS_RDEF,
            "Write error - recommend reassignment") },
        /* DT  W O   B    */
        { SST(0x0C, 0x04, SS_RDEF,
            "Compression check miscompare error") },
        /* DT  W O   B    */
        { SST(0x0C, 0x05, SS_RDEF,
            "Data expansion occurred during compression") },
        /* DT  W O   B    */
        { SST(0x0C, 0x06, SS_RDEF,
            "Block not compressible") },
        /*      R         */
        { SST(0x0C, 0x07, SS_RDEF,
            "Write error - recovery needed") },
        /*      R         */
        { SST(0x0C, 0x08, SS_RDEF,
            "Write error - recovery failed") },
        /*      R         */
        { SST(0x0C, 0x09, SS_RDEF,
            "Write error - loss of streaming") },
        /*      R         */
        { SST(0x0C, 0x0A, SS_RDEF,
            "Write error - padding blocks added") },
        /* DT  WROM  B    */
        { SST(0x0C, 0x0B, SS_RDEF,      /* XXX TBD */
            "Auxiliary memory write error") },
        /* DTLPWRO AEBKVF */
        { SST(0x0C, 0x0C, SS_RDEF,      /* XXX TBD */
            "Write error - unexpected unsolicited data") },
        /* DTLPWRO AEBKVF */
        { SST(0x0C, 0x0D, SS_RDEF,      /* XXX TBD */
            "Write error - not enough unsolicited data") },
        /* DT  W O   BK   */
        { SST(0x0C, 0x0E, SS_RDEF,      /* XXX TBD */
            "Multiple write errors") },
        /*      R         */
        { SST(0x0C, 0x0F, SS_RDEF,      /* XXX TBD */
            "Defects in error window") },
        /* D              */
        { SST(0x0C, 0x10, SS_RDEF,      /* XXX TBD */
            "Incomplete multiple atomic write operations") },
        /* D              */
        { SST(0x0C, 0x11, SS_RDEF,      /* XXX TBD */
            "Write error - recovery scan needed") },
        /* D              */
        { SST(0x0C, 0x12, SS_RDEF,      /* XXX TBD */
            "Write error - insufficient zone resources") },
        /* DTLPWRO A  K   */
        { SST(0x0D, 0x00, SS_RDEF,      /* XXX TBD */
            "Error detected by third party temporary initiator") },
        /* DTLPWRO A  K   */
        { SST(0x0D, 0x01, SS_RDEF,      /* XXX TBD */
            "Third party device failure") },
        /* DTLPWRO A  K   */
        { SST(0x0D, 0x02, SS_RDEF,      /* XXX TBD */
            "Copy target device not reachable") },
        /* DTLPWRO A  K   */
        { SST(0x0D, 0x03, SS_RDEF,      /* XXX TBD */
            "Incorrect copy target device type") },
        /* DTLPWRO A  K   */
        { SST(0x0D, 0x04, SS_RDEF,      /* XXX TBD */
            "Copy target device data underrun") },
        /* DTLPWRO A  K   */
        { SST(0x0D, 0x05, SS_RDEF,      /* XXX TBD */
            "Copy target device data overrun") },
        /* DT PWROMAEBK F */
        { SST(0x0E, 0x00, SS_RDEF,      /* XXX TBD */
            "Invalid information unit") },
        /* DT PWROMAEBK F */
        { SST(0x0E, 0x01, SS_RDEF,      /* XXX TBD */
            "Information unit too short") },
        /* DT PWROMAEBK F */
        { SST(0x0E, 0x02, SS_RDEF,      /* XXX TBD */
            "Information unit too long") },
        /* DT P R MAEBK F */
        { SST(0x0E, 0x03, SS_FATAL | EINVAL,
            "Invalid field in command information unit") },
        /* D   W O   BK   */
        { SST(0x10, 0x00, SS_RDEF,
            "ID CRC or ECC error") },
        /* DT  W O        */
        { SST(0x10, 0x01, SS_RDEF,      /* XXX TBD */
            "Logical block guard check failed") },
        /* DT  W O        */
        { SST(0x10, 0x02, SS_RDEF,      /* XXX TBD */
            "Logical block application tag check failed") },
        /* DT  W O        */
        { SST(0x10, 0x03, SS_RDEF,      /* XXX TBD */
            "Logical block reference tag check failed") },
        /*  T             */
        { SST(0x10, 0x04, SS_RDEF,      /* XXX TBD */
            "Logical block protection error on recovered buffer data") },
        /*  T             */
        { SST(0x10, 0x05, SS_RDEF,      /* XXX TBD */
            "Logical block protection method error") },
        /* DT  WRO   BK   */
        { SST(0x11, 0x00, SS_FATAL|EIO,
            "Unrecovered read error") },
        /* DT  WRO   BK   */
        { SST(0x11, 0x01, SS_FATAL|EIO,
            "Read retries exhausted") },
        /* DT  WRO   BK   */
        { SST(0x11, 0x02, SS_FATAL|EIO,
            "Error too long to correct") },
        /* DT  W O   BK   */
        { SST(0x11, 0x03, SS_FATAL|EIO,
            "Multiple read errors") },
        /* D   W O   BK   */
        { SST(0x11, 0x04, SS_FATAL|EIO,
            "Unrecovered read error - auto reallocate failed") },
        /*     WRO   B    */
        { SST(0x11, 0x05, SS_FATAL|EIO,
            "L-EC uncorrectable error") },
        /*     WRO   B    */
        { SST(0x11, 0x06, SS_FATAL|EIO,
            "CIRC unrecovered error") },
        /*     W O   B    */
        { SST(0x11, 0x07, SS_RDEF,
            "Data re-synchronization error") },
        /*  T             */
        { SST(0x11, 0x08, SS_RDEF,
            "Incomplete block read") },
        /*  T             */
        { SST(0x11, 0x09, SS_RDEF,
            "No gap found") },
        /* DT    O   BK   */
        { SST(0x11, 0x0A, SS_RDEF,
            "Miscorrected error") },
        /* D   W O   BK   */
        { SST(0x11, 0x0B, SS_FATAL|EIO,
            "Unrecovered read error - recommend reassignment") },
        /* D   W O   BK   */
        { SST(0x11, 0x0C, SS_FATAL|EIO,
            "Unrecovered read error - recommend rewrite the data") },
        /* DT  WRO   B    */
        { SST(0x11, 0x0D, SS_RDEF,
            "De-compression CRC error") },
        /* DT  WRO   B    */
        { SST(0x11, 0x0E, SS_RDEF,
            "Cannot decompress using declared algorithm") },
        /*      R         */
        { SST(0x11, 0x0F, SS_RDEF,
            "Error reading UPC/EAN number") },
        /*      R         */
        { SST(0x11, 0x10, SS_RDEF,
            "Error reading ISRC number") },
        /*      R         */
        { SST(0x11, 0x11, SS_RDEF,
            "Read error - loss of streaming") },
        /* DT  WROM  B    */
        { SST(0x11, 0x12, SS_RDEF,      /* XXX TBD */
            "Auxiliary memory read error") },
        /* DTLPWRO AEBKVF */
        { SST(0x11, 0x13, SS_RDEF,      /* XXX TBD */
            "Read error - failed retransmission request") },
        /* D              */
        { SST(0x11, 0x14, SS_RDEF,      /* XXX TBD */
            "Read error - LBA marked bad by application client") },
        /* D              */
        { SST(0x11, 0x15, SS_FATAL | EIO,
            "Write after sanitize required") },
        /* D   W O   BK   */
        { SST(0x12, 0x00, SS_RDEF,
            "Address mark not found for ID field") },
        /* D   W O   BK   */
        { SST(0x13, 0x00, SS_RDEF,
            "Address mark not found for data field") },
        /* DTL WRO   BK   */
        { SST(0x14, 0x00, SS_RDEF,
            "Recorded entity not found") },
        /* DT  WRO   BK   */
        { SST(0x14, 0x01, SS_RDEF,
            "Record not found") },
        /*  T             */
        { SST(0x14, 0x02, SS_RDEF,
            "Filemark or setmark not found") },
        /*  T             */
        { SST(0x14, 0x03, SS_RDEF,
            "End-of-data not found") },
        /*  T             */
        { SST(0x14, 0x04, SS_RDEF,
            "Block sequence error") },
        /* DT  W O   BK   */
        { SST(0x14, 0x05, SS_RDEF,
            "Record not found - recommend reassignment") },
        /* DT  W O   BK   */
        { SST(0x14, 0x06, SS_RDEF,
            "Record not found - data auto-reallocated") },
        /*  T             */
        { SST(0x14, 0x07, SS_RDEF,      /* XXX TBD */
            "Locate operation failure") },
        /* DTL WROM  BK   */
        { SST(0x15, 0x00, SS_RDEF,
            "Random positioning error") },
        /* DTL WROM  BK   */
        { SST(0x15, 0x01, SS_RDEF,
            "Mechanical positioning error") },
        /* DT  WRO   BK   */
        { SST(0x15, 0x02, SS_RDEF,
            "Positioning error detected by read of medium") },
        /* D   W O   BK   */
        { SST(0x16, 0x00, SS_RDEF,
            "Data synchronization mark error") },
        /* D   W O   BK   */
        { SST(0x16, 0x01, SS_RDEF,
            "Data sync error - data rewritten") },
        /* D   W O   BK   */
        { SST(0x16, 0x02, SS_RDEF,
            "Data sync error - recommend rewrite") },
        /* D   W O   BK   */
        { SST(0x16, 0x03, SS_NOP | SSQ_PRINT_SENSE,
            "Data sync error - data auto-reallocated") },
        /* D   W O   BK   */
        { SST(0x16, 0x04, SS_RDEF,
            "Data sync error - recommend reassignment") },
        /* DT  WRO   BK   */
        { SST(0x17, 0x00, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with no error correction applied") },
        /* DT  WRO   BK   */
        { SST(0x17, 0x01, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with retries") },
        /* DT  WRO   BK   */
        { SST(0x17, 0x02, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with positive head offset") },
        /* DT  WRO   BK   */
        { SST(0x17, 0x03, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with negative head offset") },
        /*     WRO   B    */
        { SST(0x17, 0x04, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with retries and/or CIRC applied") },
        /* D   WRO   BK   */
        { SST(0x17, 0x05, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data using previous sector ID") },
        /* D   W O   BK   */
        { SST(0x17, 0x06, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data without ECC - data auto-reallocated") },
        /* D   WRO   BK   */
        { SST(0x17, 0x07, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data without ECC - recommend reassignment") },
        /* D   WRO   BK   */
        { SST(0x17, 0x08, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data without ECC - recommend rewrite") },
        /* D   WRO   BK   */
        { SST(0x17, 0x09, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data without ECC - data rewritten") },
        /* DT  WRO   BK   */
        { SST(0x18, 0x00, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with error correction applied") },
        /* D   WRO   BK   */
        { SST(0x18, 0x01, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with error corr. & retries applied") },
        /* D   WRO   BK   */
        { SST(0x18, 0x02, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data - data auto-reallocated") },
        /*      R         */
        { SST(0x18, 0x03, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with CIRC") },
        /*      R         */
        { SST(0x18, 0x04, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with L-EC") },
        /* D   WRO   BK   */
        { SST(0x18, 0x05, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data - recommend reassignment") },
        /* D   WRO   BK   */
        { SST(0x18, 0x06, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data - recommend rewrite") },
        /* D   W O   BK   */
        { SST(0x18, 0x07, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with ECC - data rewritten") },
        /*      R         */
        { SST(0x18, 0x08, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered data with linking") },
        /* D     O    K   */
        { SST(0x19, 0x00, SS_RDEF,
            "Defect list error") },
        /* D     O    K   */
        { SST(0x19, 0x01, SS_RDEF,
            "Defect list not available") },
        /* D     O    K   */
        { SST(0x19, 0x02, SS_RDEF,
            "Defect list error in primary list") },
        /* D     O    K   */
        { SST(0x19, 0x03, SS_RDEF,
            "Defect list error in grown list") },
        /* DTLPWROMAEBKVF */
        { SST(0x1A, 0x00, SS_RDEF,
            "Parameter list length error") },
        /* DTLPWROMAEBKVF */
        { SST(0x1B, 0x00, SS_RDEF,
            "Synchronous data transfer error") },
        /* D     O   BK   */
        { SST(0x1C, 0x00, SS_RDEF,
            "Defect list not found") },
        /* D     O   BK   */
        { SST(0x1C, 0x01, SS_RDEF,
            "Primary defect list not found") },
        /* D     O   BK   */
        { SST(0x1C, 0x02, SS_RDEF,
            "Grown defect list not found") },
        /* DT  WRO   BK   */
        { SST(0x1D, 0x00, SS_FATAL,
            "Miscompare during verify operation") },
        /* D         B    */
        { SST(0x1D, 0x01, SS_RDEF,      /* XXX TBD */
            "Miscomparable verify of unmapped LBA") },
        /* D   W O   BK   */
        { SST(0x1E, 0x00, SS_NOP | SSQ_PRINT_SENSE,
            "Recovered ID with ECC correction") },
        /* D     O    K   */
        { SST(0x1F, 0x00, SS_RDEF,
            "Partial defect list transfer") },
        /* DTLPWROMAEBKVF */
        { SST(0x20, 0x00, SS_FATAL | EINVAL,
            "Invalid command operation code") },
        /* DT PWROMAEBK   */
        { SST(0x20, 0x01, SS_RDEF,      /* XXX TBD */
            "Access denied - initiator pending-enrolled") },
        /* DT PWROMAEBK   */
        { SST(0x20, 0x02, SS_FATAL | EPERM,
            "Access denied - no access rights") },
        /* DT PWROMAEBK   */
        { SST(0x20, 0x03, SS_RDEF,      /* XXX TBD */
            "Access denied - invalid mgmt ID key") },
        /*  T             */
        { SST(0x20, 0x04, SS_RDEF,      /* XXX TBD */
            "Illegal command while in write capable state") },
        /*  T             */
        { SST(0x20, 0x05, SS_RDEF,      /* XXX TBD */
            "Obsolete") },
        /*  T             */
        { SST(0x20, 0x06, SS_RDEF,      /* XXX TBD */
            "Illegal command while in explicit address mode") },
        /*  T             */
        { SST(0x20, 0x07, SS_RDEF,      /* XXX TBD */
            "Illegal command while in implicit address mode") },
        /* DT PWROMAEBK   */
        { SST(0x20, 0x08, SS_RDEF,      /* XXX TBD */
            "Access denied - enrollment conflict") },
        /* DT PWROMAEBK   */
        { SST(0x20, 0x09, SS_RDEF,      /* XXX TBD */
            "Access denied - invalid LU identifier") },
        /* DT PWROMAEBK   */
        { SST(0x20, 0x0A, SS_RDEF,      /* XXX TBD */
            "Access denied - invalid proxy token") },
        /* DT PWROMAEBK   */
        { SST(0x20, 0x0B, SS_RDEF,      /* XXX TBD */
            "Access denied - ACL LUN conflict") },
        /*  T             */
        { SST(0x20, 0x0C, SS_FATAL | EINVAL,
            "Illegal command when not in append-only mode") },
        /* D              */
        { SST(0x20, 0x0D, SS_FATAL | EINVAL,
            "Not an administrative logical unit") },
        /* D              */
        { SST(0x20, 0x0E, SS_FATAL | EINVAL,
            "Not a subsidiary logical unit") },
        /* D              */
        { SST(0x20, 0x0F, SS_FATAL | EINVAL,
            "Not a conglomerate logical unit") },
        /* DT  WRO   BK   */
        { SST(0x21, 0x00, SS_FATAL | EINVAL,
            "Logical block address out of range") },
        /* DT  WROM  BK   */
        { SST(0x21, 0x01, SS_FATAL | EINVAL,
            "Invalid element address") },
        /*      R         */
        { SST(0x21, 0x02, SS_RDEF,      /* XXX TBD */
            "Invalid address for write") },
        /*      R         */
        { SST(0x21, 0x03, SS_RDEF,      /* XXX TBD */
            "Invalid write crossing layer jump") },
        /* D              */
        { SST(0x21, 0x04, SS_RDEF,      /* XXX TBD */
            "Unaligned write command") },
        /* D              */
        { SST(0x21, 0x05, SS_RDEF,      /* XXX TBD */
            "Write boundary violation") },
        /* D              */
        { SST(0x21, 0x06, SS_RDEF,      /* XXX TBD */
            "Attempt to read invalid data") },
        /* D              */
        { SST(0x21, 0x07, SS_RDEF,      /* XXX TBD */
            "Read boundary violation") },
        /* D              */
        { SST(0x21, 0x08, SS_FATAL | EINVAL,
            "Misaligned write command") },
        /* D              */
        { SST(0x21, 0x09, SS_FATAL | EINVAL,
            "Attempt to access gap zone") },
        /* D              */
        { SST(0x22, 0x00, SS_FATAL | EINVAL,
            "Illegal function (use 20 00, 24 00, or 26 00)") },
        /* DT P      B    */
        { SST(0x23, 0x00, SS_FATAL | EINVAL,
            "Invalid token operation, cause not reportable") },
        /* DT P      B    */
        { SST(0x23, 0x01, SS_FATAL | EINVAL,
            "Invalid token operation, unsupported token type") },
        /* DT P      B    */
        { SST(0x23, 0x02, SS_FATAL | EINVAL,
            "Invalid token operation, remote token usage not supported") },
        /* DT P      B    */
        { SST(0x23, 0x03, SS_FATAL | EINVAL,
            "Invalid token operation, remote ROD token creation not supported") },
        /* DT P      B    */
        { SST(0x23, 0x04, SS_FATAL | EINVAL,
            "Invalid token operation, token unknown") },
        /* DT P      B    */
        { SST(0x23, 0x05, SS_FATAL | EINVAL,
            "Invalid token operation, token corrupt") },
        /* DT P      B    */
        { SST(0x23, 0x06, SS_FATAL | EINVAL,
            "Invalid token operation, token revoked") },
        /* DT P      B    */
        { SST(0x23, 0x07, SS_FATAL | EINVAL,
            "Invalid token operation, token expired") },
        /* DT P      B    */
        { SST(0x23, 0x08, SS_FATAL | EINVAL,
            "Invalid token operation, token cancelled") },
        /* DT P      B    */
        { SST(0x23, 0x09, SS_FATAL | EINVAL,
            "Invalid token operation, token deleted") },
        /* DT P      B    */
        { SST(0x23, 0x0A, SS_FATAL | EINVAL,
            "Invalid token operation, invalid token length") },
        /* DTLPWROMAEBKVF */
        { SST(0x24, 0x00, SS_FATAL | EINVAL,
            "Invalid field in CDB") },
        /* DTLPWRO AEBKVF */
        { SST(0x24, 0x01, SS_RDEF,      /* XXX TBD */
            "CDB decryption error") },
        /*  T             */
        { SST(0x24, 0x02, SS_RDEF,      /* XXX TBD */
            "Obsolete") },
        /*  T             */
        { SST(0x24, 0x03, SS_RDEF,      /* XXX TBD */
            "Obsolete") },
        /*              F */
        { SST(0x24, 0x04, SS_RDEF,      /* XXX TBD */
            "Security audit value frozen") },
        /*              F */
        { SST(0x24, 0x05, SS_RDEF,      /* XXX TBD */
            "Security working key frozen") },
        /*              F */
        { SST(0x24, 0x06, SS_RDEF,      /* XXX TBD */
            "NONCE not unique") },
        /*              F */
        { SST(0x24, 0x07, SS_RDEF,      /* XXX TBD */
            "NONCE timestamp out of range") },
        /* DT   R MAEBKV  */
        { SST(0x24, 0x08, SS_RDEF,      /* XXX TBD */
            "Invalid XCDB") },
        /* D              */
        { SST(0x24, 0x09, SS_FATAL | EINVAL,
            "Invalid fast format") },
        /* DTLPWROMAEBKVF */
        { SST(0x25, 0x00, SS_FATAL | ENXIO | SSQ_LOST,
            "Logical unit not supported") },
        /* DTLPWROMAEBKVF */
        { SST(0x26, 0x00, SS_FATAL | EINVAL,
            "Invalid field in parameter list") },
        /* DTLPWROMAEBKVF */
        { SST(0x26, 0x01, SS_FATAL | EINVAL,
            "Parameter not supported") },
        /* DTLPWROMAEBKVF */
        { SST(0x26, 0x02, SS_FATAL | EINVAL,
            "Parameter value invalid") },
        /* DTLPWROMAE K   */
        { SST(0x26, 0x03, SS_FATAL | EINVAL,
            "Threshold parameters not supported") },
        /* DTLPWROMAEBKVF */
        { SST(0x26, 0x04, SS_FATAL | EINVAL,
            "Invalid release of persistent reservation") },
        /* DTLPWRO A BK   */
        { SST(0x26, 0x05, SS_RDEF,      /* XXX TBD */
            "Data decryption error") },
        /* DTLPWRO    K   */
        { SST(0x26, 0x06, SS_FATAL | EINVAL,
            "Too many target descriptors") },
        /* DTLPWRO    K   */
        { SST(0x26, 0x07, SS_FATAL | EINVAL,
            "Unsupported target descriptor type code") },
        /* DTLPWRO    K   */
        { SST(0x26, 0x08, SS_FATAL | EINVAL,
            "Too many segment descriptors") },
        /* DTLPWRO    K   */
        { SST(0x26, 0x09, SS_FATAL | EINVAL,
            "Unsupported segment descriptor type code") },
        /* DTLPWRO    K   */
        { SST(0x26, 0x0A, SS_FATAL | EINVAL,
            "Unexpected inexact segment") },
        /* DTLPWRO    K   */
        { SST(0x26, 0x0B, SS_FATAL | EINVAL,
            "Inline data length exceeded") },
        /* DTLPWRO    K   */
        { SST(0x26, 0x0C, SS_FATAL | EINVAL,
            "Invalid operation for copy source or destination") },
        /* DTLPWRO    K   */
        { SST(0x26, 0x0D, SS_FATAL | EINVAL,
            "Copy segment granularity violation") },
        /* DT PWROMAEBK   */
        { SST(0x26, 0x0E, SS_RDEF,      /* XXX TBD */
            "Invalid parameter while port is enabled") },
        /*              F */
        { SST(0x26, 0x0F, SS_RDEF,      /* XXX TBD */
            "Invalid data-out buffer integrity check value") },
        /*  T             */
        { SST(0x26, 0x10, SS_RDEF,      /* XXX TBD */
            "Data decryption key fail limit reached") },
        /*  T             */
        { SST(0x26, 0x11, SS_RDEF,      /* XXX TBD */
            "Incomplete key-associated data set") },
        /*  T             */
        { SST(0x26, 0x12, SS_RDEF,      /* XXX TBD */
            "Vendor specific key reference not found") },
        /* D              */
        { SST(0x26, 0x13, SS_RDEF,      /* XXX TBD */
            "Application tag mode page is invalid") },
        /*  T             */
        { SST(0x26, 0x14, SS_RDEF,      /* XXX TBD */
            "Tape stream mirroring prevented") },
        /*  T              */
        { SST(0x26, 0x15, SS_FATAL | EINVAL,
            "Copy source or copy destination not authorized") },
        /* D              */
        { SST(0x26, 0x16, SS_FATAL | EINVAL,
            "Fast copy not possible") },
        /* DT  WRO   BK   */
        { SST(0x27, 0x00, SS_FATAL | EACCES,
            "Write protected") },
        /* DT  WRO   BK   */
        { SST(0x27, 0x01, SS_FATAL | EACCES,
            "Hardware write protected") },
        /* DT  WRO   BK   */
        { SST(0x27, 0x02, SS_FATAL | EACCES,
            "Logical unit software write protected") },
        /*  T   R         */
        { SST(0x27, 0x03, SS_FATAL | EACCES,
            "Associated write protect") },
        /*  T   R         */
        { SST(0x27, 0x04, SS_FATAL | EACCES,
            "Persistent write protect") },
        /*  T   R         */
        { SST(0x27, 0x05, SS_FATAL | EACCES,
            "Permanent write protect") },
        /*      R       F */
        { SST(0x27, 0x06, SS_RDEF,      /* XXX TBD */
            "Conditional write protect") },
        /* D         B    */
        { SST(0x27, 0x07, SS_FATAL | ENOSPC,
            "Space allocation failed write protect") },
        /* D              */
        { SST(0x27, 0x08, SS_FATAL | EACCES,
            "Zone is read only") },
        /* DTLPWROMAEBKVF */
        { SST(0x28, 0x00, SS_FATAL | ENXIO,
            "Not ready to ready change, medium may have changed") },
        /* DT  WROM  B    */
        { SST(0x28, 0x01, SS_FATAL | ENXIO,
            "Import or export element accessed") },
        /*      R         */
        { SST(0x28, 0x02, SS_RDEF,      /* XXX TBD */
            "Format-layer may have changed") },
        /*        M       */
        { SST(0x28, 0x03, SS_RDEF,      /* XXX TBD */
            "Import/export element accessed, medium changed") },
        /*
         * XXX JGibbs - All of these should use the same errno, but I don't
         * think ENXIO is the correct choice.  Should we borrow from
         * the networking errnos?  ECONNRESET anyone?
         */
        /* DTLPWROMAEBKVF */
        { SST(0x29, 0x00, SS_FATAL | ENXIO,
            "Power on, reset, or bus device reset occurred") },
        /* DTLPWROMAEBKVF */
        { SST(0x29, 0x01, SS_RDEF,
            "Power on occurred") },
        /* DTLPWROMAEBKVF */
        { SST(0x29, 0x02, SS_RDEF,
            "SCSI bus reset occurred") },
        /* DTLPWROMAEBKVF */
        { SST(0x29, 0x03, SS_RDEF,
            "Bus device reset function occurred") },
        /* DTLPWROMAEBKVF */
        { SST(0x29, 0x04, SS_RDEF,
            "Device internal reset") },
        /* DTLPWROMAEBKVF */
        { SST(0x29, 0x05, SS_RDEF,
            "Transceiver mode changed to single-ended") },
        /* DTLPWROMAEBKVF */
        { SST(0x29, 0x06, SS_RDEF,
            "Transceiver mode changed to LVD") },
        /* DTLPWROMAEBKVF */
        { SST(0x29, 0x07, SS_RDEF,      /* XXX TBD */
            "I_T nexus loss occurred") },
        /* DTL WROMAEBKVF */
        { SST(0x2A, 0x00, SS_RDEF,
            "Parameters changed") },
        /* DTL WROMAEBKVF */
        { SST(0x2A, 0x01, SS_RDEF,
            "Mode parameters changed") },
        /* DTL WROMAE K   */
        { SST(0x2A, 0x02, SS_RDEF,
            "Log parameters changed") },
        /* DTLPWROMAE K   */
        { SST(0x2A, 0x03, SS_RDEF,
            "Reservations preempted") },
        /* DTLPWROMAE     */
        { SST(0x2A, 0x04, SS_RDEF,      /* XXX TBD */
            "Reservations released") },
        /* DTLPWROMAE     */
        { SST(0x2A, 0x05, SS_RDEF,      /* XXX TBD */
            "Registrations preempted") },
        /* DTLPWROMAEBKVF */
        { SST(0x2A, 0x06, SS_RDEF,      /* XXX TBD */
            "Asymmetric access state changed") },
        /* DTLPWROMAEBKVF */
        { SST(0x2A, 0x07, SS_RDEF,      /* XXX TBD */
            "Implicit asymmetric access state transition failed") },
        /* DT  WROMAEBKVF */
        { SST(0x2A, 0x08, SS_RDEF,      /* XXX TBD */
            "Priority changed") },
        /* D              */
        { SST(0x2A, 0x09, SS_RDEF,      /* XXX TBD */
            "Capacity data has changed") },
        /* DT             */
        { SST(0x2A, 0x0A, SS_RDEF,      /* XXX TBD */
            "Error history I_T nexus cleared") },
        /* DT             */
        { SST(0x2A, 0x0B, SS_RDEF,      /* XXX TBD */
            "Error history snapshot released") },
        /*              F */
        { SST(0x2A, 0x0C, SS_RDEF,      /* XXX TBD */
            "Error recovery attributes have changed") },
        /*  T             */
        { SST(0x2A, 0x0D, SS_RDEF,      /* XXX TBD */
            "Data encryption capabilities changed") },
        /* DT     M E  V  */
        { SST(0x2A, 0x10, SS_RDEF,      /* XXX TBD */
            "Timestamp changed") },
        /*  T             */
        { SST(0x2A, 0x11, SS_RDEF,      /* XXX TBD */
            "Data encryption parameters changed by another I_T nexus") },
        /*  T             */
        { SST(0x2A, 0x12, SS_RDEF,      /* XXX TBD */
            "Data encryption parameters changed by vendor specific event") },
        /*  T             */
        { SST(0x2A, 0x13, SS_RDEF,      /* XXX TBD */
            "Data encryption key instance counter has changed") },
        /* DT   R MAEBKV  */
        { SST(0x2A, 0x14, SS_RDEF,      /* XXX TBD */
            "SA creation capabilities data has changed") },
        /*  T     M    V  */
        { SST(0x2A, 0x15, SS_RDEF,      /* XXX TBD */
            "Medium removal prevention preempted") },
        /* D              */
        { SST(0x2A, 0x16, SS_RDEF,      /* XXX TBD */
            "Zone reset write pointer recommended") },
        /* DTLPWRO    K   */
        { SST(0x2B, 0x00, SS_RDEF,
            "Copy cannot execute since host cannot disconnect") },
        /* DTLPWROMAEBKVF */
        { SST(0x2C, 0x00, SS_RDEF,
            "Command sequence error") },
        /*                */
        { SST(0x2C, 0x01, SS_RDEF,
            "Too many windows specified") },
        /*                */
        { SST(0x2C, 0x02, SS_RDEF,
            "Invalid combination of windows specified") },
        /*      R         */
        { SST(0x2C, 0x03, SS_RDEF,
            "Current program area is not empty") },
        /*      R         */
        { SST(0x2C, 0x04, SS_RDEF,
            "Current program area is empty") },
        /*           B    */
        { SST(0x2C, 0x05, SS_RDEF,      /* XXX TBD */
            "Illegal power condition request") },
        /*      R         */
        { SST(0x2C, 0x06, SS_RDEF,      /* XXX TBD */
            "Persistent prevent conflict") },
        /* DTLPWROMAEBKVF */
        { SST(0x2C, 0x07, SS_RDEF,      /* XXX TBD */
            "Previous busy status") },
        /* DTLPWROMAEBKVF */
        { SST(0x2C, 0x08, SS_RDEF,      /* XXX TBD */
            "Previous task set full status") },
        /* DTLPWROM EBKVF */
        { SST(0x2C, 0x09, SS_RDEF,      /* XXX TBD */
            "Previous reservation conflict status") },
        /*              F */
        { SST(0x2C, 0x0A, SS_RDEF,      /* XXX TBD */
            "Partition or collection contains user objects") },
        /*  T             */
        { SST(0x2C, 0x0B, SS_RDEF,      /* XXX TBD */
            "Not reserved") },
        /* D              */
        { SST(0x2C, 0x0C, SS_RDEF,      /* XXX TBD */
            "ORWRITE generation does not match") },
        /* D              */
        { SST(0x2C, 0x0D, SS_RDEF,      /* XXX TBD */
            "Reset write pointer not allowed") },
        /* D              */
        { SST(0x2C, 0x0E, SS_RDEF,      /* XXX TBD */
            "Zone is offline") },
        /* D              */
        { SST(0x2C, 0x0F, SS_RDEF,      /* XXX TBD */
            "Stream not open") },
        /* D              */
        { SST(0x2C, 0x10, SS_RDEF,      /* XXX TBD */
            "Unwritten data in zone") },
        /* D              */
        { SST(0x2C, 0x11, SS_FATAL | EINVAL,
            "Descriptor format sense data required") },
        /* D              */
        { SST(0x2C, 0x12, SS_FATAL | EINVAL,
            "Zone is inactive") },
        /* DTPEROMAEBKVF  */
        { SST(0x2C, 0x13, SS_FATAL | EINVAL,
            "Well known logical unit access required") },
        /*  T             */
        { SST(0x2D, 0x00, SS_RDEF,
            "Overwrite error on update in place") },
        /*      R         */
        { SST(0x2E, 0x00, SS_RDEF,      /* XXX TBD */
            "Insufficient time for operation") },
        /* D              */
        { SST(0x2E, 0x01, SS_RDEF,      /* XXX TBD */
            "Command timeout before processing") },
        /* D              */
        { SST(0x2E, 0x02, SS_RDEF,      /* XXX TBD */
            "Command timeout during processing") },
        /* D              */
        { SST(0x2E, 0x03, SS_RDEF,      /* XXX TBD */
            "Command timeout during processing due to error recovery") },
        /* DTLPWROMAEBKVF */
        { SST(0x2F, 0x00, SS_RDEF,
            "Commands cleared by another initiator") },
        /* D              */
        { SST(0x2F, 0x01, SS_RDEF,      /* XXX TBD */
            "Commands cleared by power loss notification") },
        /* DTLPWROMAEBKVF */
        { SST(0x2F, 0x02, SS_RDEF,      /* XXX TBD */
            "Commands cleared by device server") },
        /* DTLPWROMAEBKVF */
        { SST(0x2F, 0x03, SS_RDEF,      /* XXX TBD */
            "Some commands cleared by queuing layer event") },
        /* DT  WROM  BK   */
        { SST(0x30, 0x00, SS_RDEF,
            "Incompatible medium installed") },
        /* DT  WRO   BK   */
        { SST(0x30, 0x01, SS_RDEF,
            "Cannot read medium - unknown format") },
        /* DT  WRO   BK   */
        { SST(0x30, 0x02, SS_RDEF,
            "Cannot read medium - incompatible format") },
        /* DT   R     K   */
        { SST(0x30, 0x03, SS_RDEF,
            "Cleaning cartridge installed") },
        /* DT  WRO   BK   */
        { SST(0x30, 0x04, SS_RDEF,
            "Cannot write medium - unknown format") },
        /* DT  WRO   BK   */
        { SST(0x30, 0x05, SS_RDEF,
            "Cannot write medium - incompatible format") },
        /* DT  WRO   B    */
        { SST(0x30, 0x06, SS_RDEF,
            "Cannot format medium - incompatible medium") },
        /* DTL WROMAEBKVF */
        { SST(0x30, 0x07, SS_RDEF,
            "Cleaning failure") },
        /*      R         */
        { SST(0x30, 0x08, SS_RDEF,
            "Cannot write - application code mismatch") },
        /*      R         */
        { SST(0x30, 0x09, SS_RDEF,
            "Current session not fixated for append") },
        /* DT  WRO AEBK   */
        { SST(0x30, 0x0A, SS_RDEF,      /* XXX TBD */
            "Cleaning request rejected") },
        /*  T             */
        { SST(0x30, 0x0C, SS_RDEF,      /* XXX TBD */
            "WORM medium - overwrite attempted") },
        /*  T             */
        { SST(0x30, 0x0D, SS_RDEF,      /* XXX TBD */
            "WORM medium - integrity check") },
        /*      R         */
        { SST(0x30, 0x10, SS_RDEF,      /* XXX TBD */
            "Medium not formatted") },
        /*        M       */
        { SST(0x30, 0x11, SS_RDEF,      /* XXX TBD */
            "Incompatible volume type") },
        /*        M       */
        { SST(0x30, 0x12, SS_RDEF,      /* XXX TBD */
            "Incompatible volume qualifier") },
        /*        M       */
        { SST(0x30, 0x13, SS_RDEF,      /* XXX TBD */
            "Cleaning volume expired") },
        /* DT  WRO   BK   */
        { SST(0x31, 0x00, SS_FATAL | ENXIO,
            "Medium format corrupted") },
        /* D L  RO   B    */
        { SST(0x31, 0x01, SS_RDEF,
            "Format command failed") },
        /*      R         */
        { SST(0x31, 0x02, SS_RDEF,      /* XXX TBD */
            "Zoned formatting failed due to spare linking") },
        /* D         B    */
        { SST(0x31, 0x03, SS_FATAL | EIO,
            "SANITIZE command failed") },
        /* D              */
        { SST(0x31, 0x04, SS_FATAL | EIO,
            "Depopulation failed") },
        /* D              */
        { SST(0x31, 0x05, SS_FATAL | EIO,
            "Depopulation restoration failed") },
        /* D   W O   BK   */
        { SST(0x32, 0x00, SS_RDEF,
            "No defect spare location available") },
        /* D   W O   BK   */
        { SST(0x32, 0x01, SS_RDEF,
            "Defect list update failure") },
        /*  T             */
        { SST(0x33, 0x00, SS_RDEF,
            "Tape length error") },
        /* DTLPWROMAEBKVF */
        { SST(0x34, 0x00, SS_RDEF,
            "Enclosure failure") },
        /* DTLPWROMAEBKVF */
        { SST(0x35, 0x00, SS_RDEF,
            "Enclosure services failure") },
        /* DTLPWROMAEBKVF */
        { SST(0x35, 0x01, SS_RDEF,
            "Unsupported enclosure function") },
        /* DTLPWROMAEBKVF */
        { SST(0x35, 0x02, SS_RDEF,
            "Enclosure services unavailable") },
        /* DTLPWROMAEBKVF */
        { SST(0x35, 0x03, SS_RDEF,
            "Enclosure services transfer failure") },
        /* DTLPWROMAEBKVF */
        { SST(0x35, 0x04, SS_RDEF,
            "Enclosure services transfer refused") },
        /* DTL WROMAEBKVF */
        { SST(0x35, 0x05, SS_RDEF,      /* XXX TBD */
            "Enclosure services checksum error") },
        /*   L            */
        { SST(0x36, 0x00, SS_RDEF,
            "Ribbon, ink, or toner failure") },
        /* DTL WROMAEBKVF */
        { SST(0x37, 0x00, SS_RDEF,
            "Rounded parameter") },
        /*           B    */
        { SST(0x38, 0x00, SS_RDEF,      /* XXX TBD */
            "Event status notification") },
        /*           B    */
        { SST(0x38, 0x02, SS_RDEF,      /* XXX TBD */
            "ESN - power management class event") },
        /*           B    */
        { SST(0x38, 0x04, SS_RDEF,      /* XXX TBD */
            "ESN - media class event") },
        /*           B    */
        { SST(0x38, 0x06, SS_RDEF,      /* XXX TBD */
            "ESN - device busy class event") },
        /* D              */
        { SST(0x38, 0x07, SS_RDEF,      /* XXX TBD */
            "Thin provisioning soft threshold reached") },
        /* D              */
        { SST(0x38, 0x08, SS_NOP | SSQ_PRINT_SENSE,
            "Depopulation interrupted") },
        /* DTL WROMAE K   */
        { SST(0x39, 0x00, SS_RDEF,
            "Saving parameters not supported") },
        /* DTL WROM  BK   */
        { SST(0x3A, 0x00, SS_FAIL | ENXIO,
            "Medium not present") },
        /* DT  WROM  BK   */
        { SST(0x3A, 0x01, SS_FAIL | ENXIO,
            "Medium not present - tray closed") },
        /* DT  WROM  BK   */
        { SST(0x3A, 0x02, SS_FAIL | ENXIO,
            "Medium not present - tray open") },
        /* DT  WROM  B    */
        { SST(0x3A, 0x03, SS_RDEF,      /* XXX TBD */
            "Medium not present - loadable") },
        /* DT  WRO   B    */
        { SST(0x3A, 0x04, SS_RDEF,      /* XXX TBD */
            "Medium not present - medium auxiliary memory accessible") },
        /*  TL            */
        { SST(0x3B, 0x00, SS_RDEF,
            "Sequential positioning error") },
        /*  T             */
        { SST(0x3B, 0x01, SS_RDEF,
            "Tape position error at beginning-of-medium") },
        /*  T             */
        { SST(0x3B, 0x02, SS_RDEF,
            "Tape position error at end-of-medium") },
        /*   L            */
        { SST(0x3B, 0x03, SS_RDEF,
            "Tape or electronic vertical forms unit not ready") },
        /*   L            */
        { SST(0x3B, 0x04, SS_RDEF,
            "Slew failure") },
        /*   L            */
        { SST(0x3B, 0x05, SS_RDEF,
            "Paper jam") },
        /*   L            */
        { SST(0x3B, 0x06, SS_RDEF,
            "Failed to sense top-of-form") },
        /*   L            */
        { SST(0x3B, 0x07, SS_RDEF,
            "Failed to sense bottom-of-form") },
        /*  T             */
        { SST(0x3B, 0x08, SS_RDEF,
            "Reposition error") },
        /*                */
        { SST(0x3B, 0x09, SS_RDEF,
            "Read past end of medium") },
        /*                */
        { SST(0x3B, 0x0A, SS_RDEF,
            "Read past beginning of medium") },
        /*                */
        { SST(0x3B, 0x0B, SS_RDEF,
            "Position past end of medium") },
        /*  T             */
        { SST(0x3B, 0x0C, SS_RDEF,
            "Position past beginning of medium") },
        /* DT  WROM  BK   */
        { SST(0x3B, 0x0D, SS_FATAL | ENOSPC,
            "Medium destination element full") },
        /* DT  WROM  BK   */
        { SST(0x3B, 0x0E, SS_RDEF,
            "Medium source element empty") },
        /*      R         */
        { SST(0x3B, 0x0F, SS_RDEF,
            "End of medium reached") },
        /* DT  WROM  BK   */
        { SST(0x3B, 0x11, SS_RDEF,
            "Medium magazine not accessible") },
        /* DT  WROM  BK   */
        { SST(0x3B, 0x12, SS_RDEF,
            "Medium magazine removed") },
        /* DT  WROM  BK   */
        { SST(0x3B, 0x13, SS_RDEF,
            "Medium magazine inserted") },
        /* DT  WROM  BK   */
        { SST(0x3B, 0x14, SS_RDEF,
            "Medium magazine locked") },
        /* DT  WROM  BK   */
        { SST(0x3B, 0x15, SS_RDEF,
            "Medium magazine unlocked") },
        /*      R         */
        { SST(0x3B, 0x16, SS_RDEF,      /* XXX TBD */
            "Mechanical positioning or changer error") },
        /*              F */
        { SST(0x3B, 0x17, SS_RDEF,      /* XXX TBD */
            "Read past end of user object") },
        /*        M       */
        { SST(0x3B, 0x18, SS_RDEF,      /* XXX TBD */
            "Element disabled") },
        /*        M       */
        { SST(0x3B, 0x19, SS_RDEF,      /* XXX TBD */
            "Element enabled") },
        /*        M       */
        { SST(0x3B, 0x1A, SS_RDEF,      /* XXX TBD */
            "Data transfer device removed") },
        /*        M       */
        { SST(0x3B, 0x1B, SS_RDEF,      /* XXX TBD */
            "Data transfer device inserted") },
        /*  T             */
        { SST(0x3B, 0x1C, SS_RDEF,      /* XXX TBD */
            "Too many logical objects on partition to support operation") },
        /*        M       */
        { SST(0x3B, 0x20, SS_RDEF,      /* XXX TBD */
            "Element static information changed") },
        /* DTLPWROMAE K   */
        { SST(0x3D, 0x00, SS_RDEF,
            "Invalid bits in IDENTIFY message") },
        /* DTLPWROMAEBKVF */
        { SST(0x3E, 0x00, SS_RDEF,
            "Logical unit has not self-configured yet") },
        /* DTLPWROMAEBKVF */
        { SST(0x3E, 0x01, SS_RDEF,
            "Logical unit failure") },
        /* DTLPWROMAEBKVF */
        { SST(0x3E, 0x02, SS_RDEF,
            "Timeout on logical unit") },
        /* DTLPWROMAEBKVF */
        { SST(0x3E, 0x03, SS_FATAL | ENXIO,
            "Logical unit failed self-test") },
        /* DTLPWROMAEBKVF */
        { SST(0x3E, 0x04, SS_RDEF,      /* XXX TBD */
            "Logical unit unable to update self-test log") },
        /* DTLPWROMAEBKVF */
        { SST(0x3F, 0x00, SS_RDEF,
            "Target operating conditions have changed") },
        /* DTLPWROMAEBKVF */
        { SST(0x3F, 0x01, SS_RDEF,
            "Microcode has been changed") },
        /* DTLPWROM  BK   */
        { SST(0x3F, 0x02, SS_RDEF,
            "Changed operating definition") },
        /* DTLPWROMAEBKVF */
        { SST(0x3F, 0x03, SS_RDEF,
            "INQUIRY data has changed") },
        /* DT  WROMAEBK   */
        { SST(0x3F, 0x04, SS_RDEF,
            "Component device attached") },
        /* DT  WROMAEBK   */
        { SST(0x3F, 0x05, SS_RDEF,
            "Device identifier changed") },
        /* DT  WROMAEB    */
        { SST(0x3F, 0x06, SS_RDEF,
            "Redundancy group created or modified") },
        /* DT  WROMAEB    */
        { SST(0x3F, 0x07, SS_RDEF,
            "Redundancy group deleted") },
        /* DT  WROMAEB    */
        { SST(0x3F, 0x08, SS_RDEF,
            "Spare created or modified") },
        /* DT  WROMAEB    */
        { SST(0x3F, 0x09, SS_RDEF,
            "Spare deleted") },
        /* DT  WROMAEBK   */
        { SST(0x3F, 0x0A, SS_RDEF,
            "Volume set created or modified") },
        /* DT  WROMAEBK   */
        { SST(0x3F, 0x0B, SS_RDEF,
            "Volume set deleted") },
        /* DT  WROMAEBK   */
        { SST(0x3F, 0x0C, SS_RDEF,
            "Volume set deassigned") },
        /* DT  WROMAEBK   */
        { SST(0x3F, 0x0D, SS_RDEF,
            "Volume set reassigned") },
        /* DTLPWROMAE     */
        { SST(0x3F, 0x0E, SS_RDEF | SSQ_RESCAN ,
            "Reported LUNs data has changed") },
        /* DTLPWROMAEBKVF */
        { SST(0x3F, 0x0F, SS_RDEF,      /* XXX TBD */
            "Echo buffer overwritten") },
        /* DT  WROM  B    */
        { SST(0x3F, 0x10, SS_RDEF,      /* XXX TBD */
            "Medium loadable") },
        /* DT  WROM  B    */
        { SST(0x3F, 0x11, SS_RDEF,      /* XXX TBD */
            "Medium auxiliary memory accessible") },
        /* DTLPWR MAEBK F */
        { SST(0x3F, 0x12, SS_RDEF,      /* XXX TBD */
            "iSCSI IP address added") },
        /* DTLPWR MAEBK F */
        { SST(0x3F, 0x13, SS_RDEF,      /* XXX TBD */
            "iSCSI IP address removed") },
        /* DTLPWR MAEBK F */
        { SST(0x3F, 0x14, SS_RDEF,      /* XXX TBD */
            "iSCSI IP address changed") },
        /* DTLPWR MAEBK   */
        { SST(0x3F, 0x15, SS_RDEF,      /* XXX TBD */
            "Inspect referrals sense descriptors") },
        /* DTLPWROMAEBKVF */
        { SST(0x3F, 0x16, SS_RDEF,      /* XXX TBD */
            "Microcode has been changed without reset") },
        /* D              */
        { SST(0x3F, 0x17, SS_RDEF,      /* XXX TBD */
            "Zone transition to full") },
        /* D              */
        { SST(0x3F, 0x18, SS_RDEF,      /* XXX TBD */
            "Bind completed") },
        /* D              */
        { SST(0x3F, 0x19, SS_RDEF,      /* XXX TBD */
            "Bind redirected") },
        /* D              */
        { SST(0x3F, 0x1A, SS_RDEF,      /* XXX TBD */
            "Subsidiary binding changed") },
        { SST(0x40, 0x00, SS_FATAL | ENXIO,
            "RAM failure") },           /* deprecated - use 40 NN instead */
        /* DTLPWROMAEBKVF */
        { SST(0x40, 0x80, SS_FATAL | ENXIO,
            "Diagnostic failure: ASCQ = Component ID") },
        /* DTLPWROMAEBKVF */
        { SST(0x40, 0xFF, SS_RDEF | SSQ_RANGE,
            NULL) },                    /* Range 0x80->0xFF */
        /* D              */
        { SST(0x41, 0x00, SS_RDEF,
            "Data path failure") },     /* deprecated - use 40 NN instead */
        /* D              */
        { SST(0x42, 0x00, SS_RDEF,
            "Power-on or self-test failure") },
                                        /* deprecated - use 40 NN instead */
        /* DTLPWROMAEBKVF */
        { SST(0x43, 0x00, SS_RDEF,
            "Message error") },
        /* DTLPWROMAEBKVF */
        { SST(0x44, 0x00, SS_FATAL | ENXIO,
            "Internal target failure") },
        /* DT P   MAEBKVF */
        { SST(0x44, 0x01, SS_RDEF,      /* XXX TBD */
            "Persistent reservation information lost") },
        /* DT        B    */
        { SST(0x44, 0x71, SS_RDEF,      /* XXX TBD */
            "ATA device failed set features") },
        /* DTLPWROMAEBKVF */
        { SST(0x45, 0x00, SS_RDEF,
            "Select or reselect failure") },
        /* DTLPWROM  BK   */
        { SST(0x46, 0x00, SS_RDEF,
            "Unsuccessful soft reset") },
        /* DTLPWROMAEBKVF */
        { SST(0x47, 0x00, SS_RDEF,
            "SCSI parity error") },
        /* DTLPWROMAEBKVF */
        { SST(0x47, 0x01, SS_RDEF,      /* XXX TBD */
            "Data phase CRC error detected") },
        /* DTLPWROMAEBKVF */
        { SST(0x47, 0x02, SS_RDEF,      /* XXX TBD */
            "SCSI parity error detected during ST data phase") },
        /* DTLPWROMAEBKVF */
        { SST(0x47, 0x03, SS_RDEF,      /* XXX TBD */
            "Information unit iuCRC error detected") },
        /* DTLPWROMAEBKVF */
        { SST(0x47, 0x04, SS_RDEF,      /* XXX TBD */
            "Asynchronous information protection error detected") },
        /* DTLPWROMAEBKVF */
        { SST(0x47, 0x05, SS_RDEF,      /* XXX TBD */
            "Protocol service CRC error") },
        /* DT     MAEBKVF */
        { SST(0x47, 0x06, SS_RDEF,      /* XXX TBD */
            "PHY test function in progress") },
        /* DT PWROMAEBK   */
        { SST(0x47, 0x7F, SS_RDEF,      /* XXX TBD */
            "Some commands cleared by iSCSI protocol event") },
        /* DTLPWROMAEBKVF */
        { SST(0x48, 0x00, SS_RDEF,
            "Initiator detected error message received") },
        /* DTLPWROMAEBKVF */
        { SST(0x49, 0x00, SS_RDEF,
            "Invalid message error") },
        /* DTLPWROMAEBKVF */
        { SST(0x4A, 0x00, SS_RDEF,
            "Command phase error") },
        /* DTLPWROMAEBKVF */
        { SST(0x4B, 0x00, SS_RDEF,
            "Data phase error") },
        /* DT PWROMAEBK   */
        { SST(0x4B, 0x01, SS_RDEF,      /* XXX TBD */
            "Invalid target port transfer tag received") },
        /* DT PWROMAEBK   */
        { SST(0x4B, 0x02, SS_RDEF,      /* XXX TBD */
            "Too much write data") },
        /* DT PWROMAEBK   */
        { SST(0x4B, 0x03, SS_RDEF,      /* XXX TBD */
            "ACK/NAK timeout") },
        /* DT PWROMAEBK   */
        { SST(0x4B, 0x04, SS_RDEF,      /* XXX TBD */
            "NAK received") },
        /* DT PWROMAEBK   */
        { SST(0x4B, 0x05, SS_RDEF,      /* XXX TBD */
            "Data offset error") },
        /* DT PWROMAEBK   */
        { SST(0x4B, 0x06, SS_RDEF,      /* XXX TBD */
            "Initiator response timeout") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x07, SS_RDEF,      /* XXX TBD */
            "Connection lost") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x08, SS_RDEF,      /* XXX TBD */
            "Data-in buffer overflow - data buffer size") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x09, SS_RDEF,      /* XXX TBD */
            "Data-in buffer overflow - data buffer descriptor area") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x0A, SS_RDEF,      /* XXX TBD */
            "Data-in buffer error") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x0B, SS_RDEF,      /* XXX TBD */
            "Data-out buffer overflow - data buffer size") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x0C, SS_RDEF,      /* XXX TBD */
            "Data-out buffer overflow - data buffer descriptor area") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x0D, SS_RDEF,      /* XXX TBD */
            "Data-out buffer error") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x0E, SS_RDEF,      /* XXX TBD */
            "PCIe fabric error") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x0F, SS_RDEF,      /* XXX TBD */
            "PCIe completion timeout") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x10, SS_RDEF,      /* XXX TBD */
            "PCIe completer abort") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x11, SS_RDEF,      /* XXX TBD */
            "PCIe poisoned TLP received") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x12, SS_RDEF,      /* XXX TBD */
            "PCIe ECRC check failed") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x13, SS_RDEF,      /* XXX TBD */
            "PCIe unsupported request") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x14, SS_RDEF,      /* XXX TBD */
            "PCIe ACS violation") },
        /* DT PWROMAEBK F */
        { SST(0x4B, 0x15, SS_RDEF,      /* XXX TBD */
            "PCIe TLP prefix blocket") },
        /* DTLPWROMAEBKVF */
        { SST(0x4C, 0x00, SS_RDEF,
            "Logical unit failed self-configuration") },
        /* DTLPWROMAEBKVF */
        { SST(0x4D, 0x00, SS_RDEF,
            "Tagged overlapped commands: ASCQ = Queue tag ID") },
        /* DTLPWROMAEBKVF */
        { SST(0x4D, 0xFF, SS_RDEF | SSQ_RANGE,
            NULL) },                    /* Range 0x00->0xFF */
        /* DTLPWROMAEBKVF */
        { SST(0x4E, 0x00, SS_RDEF,
            "Overlapped commands attempted") },
        /*  T             */
        { SST(0x50, 0x00, SS_RDEF,
            "Write append error") },
        /*  T             */
        { SST(0x50, 0x01, SS_RDEF,
            "Write append position error") },
        /*  T             */
        { SST(0x50, 0x02, SS_RDEF,
            "Position error related to timing") },
        /*  T   RO        */
        { SST(0x51, 0x00, SS_RDEF,
            "Erase failure") },
        /*      R         */
        { SST(0x51, 0x01, SS_RDEF,      /* XXX TBD */
            "Erase failure - incomplete erase operation detected") },
        /*  T             */
        { SST(0x52, 0x00, SS_RDEF,
            "Cartridge fault") },
        /* DTL WROM  BK   */
        { SST(0x53, 0x00, SS_RDEF,
            "Media load or eject failed") },
        /*  T             */
        { SST(0x53, 0x01, SS_RDEF,
            "Unload tape failure") },
        /* DT  WROM  BK   */
        { SST(0x53, 0x02, SS_RDEF,
            "Medium removal prevented") },
        /*        M       */
        { SST(0x53, 0x03, SS_RDEF,      /* XXX TBD */
            "Medium removal prevented by data transfer element") },
        /*  T             */
        { SST(0x53, 0x04, SS_RDEF,      /* XXX TBD */
            "Medium thread or unthread failure") },
        /*        M       */
        { SST(0x53, 0x05, SS_RDEF,      /* XXX TBD */
            "Volume identifier invalid") },
        /*  T             */
        { SST(0x53, 0x06, SS_RDEF,      /* XXX TBD */
            "Volume identifier missing") },
        /*        M       */
        { SST(0x53, 0x07, SS_RDEF,      /* XXX TBD */
            "Duplicate volume identifier") },
        /*        M       */
        { SST(0x53, 0x08, SS_RDEF,      /* XXX TBD */
            "Element status unknown") },
        /*        M       */
        { SST(0x53, 0x09, SS_RDEF,      /* XXX TBD */
            "Data transfer device error - load failed") },
        /*        M       */
        { SST(0x53, 0x0A, SS_RDEF,      /* XXX TBD */
            "Data transfer device error - unload failed") },
        /*        M       */
        { SST(0x53, 0x0B, SS_RDEF,      /* XXX TBD */
            "Data transfer device error - unload missing") },
        /*        M       */
        { SST(0x53, 0x0C, SS_RDEF,      /* XXX TBD */
            "Data transfer device error - eject failed") },
        /*        M       */
        { SST(0x53, 0x0D, SS_RDEF,      /* XXX TBD */
            "Data transfer device error - library communication failed") },
        /*    P           */
        { SST(0x54, 0x00, SS_RDEF,
            "SCSI to host system interface failure") },
        /*    P           */
        { SST(0x55, 0x00, SS_RDEF,
            "System resource failure") },
        /* D     O   BK   */
        { SST(0x55, 0x01, SS_FATAL | ENOSPC,
            "System buffer full") },
        /* DTLPWROMAE K   */
        { SST(0x55, 0x02, SS_RDEF,      /* XXX TBD */
            "Insufficient reservation resources") },
        /* DTLPWROMAE K   */
        { SST(0x55, 0x03, SS_RDEF,      /* XXX TBD */
            "Insufficient resources") },
        /* DTLPWROMAE K   */
        { SST(0x55, 0x04, SS_RDEF,      /* XXX TBD */
            "Insufficient registration resources") },
        /* DT PWROMAEBK   */
        { SST(0x55, 0x05, SS_RDEF,      /* XXX TBD */
            "Insufficient access control resources") },
        /* DT  WROM  B    */
        { SST(0x55, 0x06, SS_RDEF,      /* XXX TBD */
            "Auxiliary memory out of space") },
        /*              F */
        { SST(0x55, 0x07, SS_RDEF,      /* XXX TBD */
            "Quota error") },
        /*  T             */
        { SST(0x55, 0x08, SS_RDEF,      /* XXX TBD */
            "Maximum number of supplemental decryption keys exceeded") },
        /*        M       */
        { SST(0x55, 0x09, SS_RDEF,      /* XXX TBD */
            "Medium auxiliary memory not accessible") },
        /*        M       */
        { SST(0x55, 0x0A, SS_RDEF,      /* XXX TBD */
            "Data currently unavailable") },
        /* DTLPWROMAEBKVF */
        { SST(0x55, 0x0B, SS_RDEF,      /* XXX TBD */
            "Insufficient power for operation") },
        /* DT P      B    */
        { SST(0x55, 0x0C, SS_RDEF,      /* XXX TBD */
            "Insufficient resources to create ROD") },
        /* DT P      B    */
        { SST(0x55, 0x0D, SS_RDEF,      /* XXX TBD */
            "Insufficient resources to create ROD token") },
        /* D              */
        { SST(0x55, 0x0E, SS_RDEF,      /* XXX TBD */
            "Insufficient zone resources") },
        /* D              */
        { SST(0x55, 0x0F, SS_RDEF,      /* XXX TBD */
            "Insufficient zone resources to complete write") },
        /* D              */
        { SST(0x55, 0x10, SS_RDEF,      /* XXX TBD */
            "Maximum number of streams open") },
        /* D              */
        { SST(0x55, 0x11, SS_RDEF,      /* XXX TBD */
            "Insufficient resources to bind") },
        /*      R         */
        { SST(0x57, 0x00, SS_RDEF,
            "Unable to recover table-of-contents") },
        /*       O        */
        { SST(0x58, 0x00, SS_RDEF,
            "Generation does not exist") },
        /*       O        */
        { SST(0x59, 0x00, SS_RDEF,
            "Updated block read") },
        /* DTLPWRO   BK   */
        { SST(0x5A, 0x00, SS_RDEF,
            "Operator request or state change input") },
        /* DT  WROM  BK   */
        { SST(0x5A, 0x01, SS_RDEF,
            "Operator medium removal request") },
        /* DT  WRO A BK   */
        { SST(0x5A, 0x02, SS_RDEF,
            "Operator selected write protect") },
        /* DT  WRO A BK   */
        { SST(0x5A, 0x03, SS_RDEF,
            "Operator selected write permit") },
        /* DTLPWROM   K   */
        { SST(0x5B, 0x00, SS_RDEF,
            "Log exception") },
        /* DTLPWROM   K   */
        { SST(0x5B, 0x01, SS_RDEF,
            "Threshold condition met") },
        /* DTLPWROM   K   */
        { SST(0x5B, 0x02, SS_RDEF,
            "Log counter at maximum") },
        /* DTLPWROM   K   */
        { SST(0x5B, 0x03, SS_RDEF,
            "Log list codes exhausted") },
        /* D     O        */
        { SST(0x5C, 0x00, SS_RDEF,
            "RPL status change") },
        /* D     O        */
        { SST(0x5C, 0x01, SS_NOP | SSQ_PRINT_SENSE,
            "Spindles synchronized") },
        /* D     O        */
        { SST(0x5C, 0x02, SS_RDEF,
            "Spindles not synchronized") },
        /* DTLPWROMAEBKVF */
        { SST(0x5D, 0x00, SS_NOP | SSQ_PRINT_SENSE,
            "Failure prediction threshold exceeded") },
        /*      R    B    */
        { SST(0x5D, 0x01, SS_NOP | SSQ_PRINT_SENSE,
            "Media failure prediction threshold exceeded") },
        /*      R         */
        { SST(0x5D, 0x02, SS_NOP | SSQ_PRINT_SENSE,
            "Logical unit failure prediction threshold exceeded") },
        /*      R         */
        { SST(0x5D, 0x03, SS_NOP | SSQ_PRINT_SENSE,
            "Spare area exhaustion prediction threshold exceeded") },
        /* D         B    */
        { SST(0x5D, 0x10, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure general hard drive failure") },
        /* D         B    */
        { SST(0x5D, 0x11, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure drive error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x12, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure data error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x13, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure seek error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x14, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure too many block reassigns") },
        /* D         B    */
        { SST(0x5D, 0x15, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure access times too high") },
        /* D         B    */
        { SST(0x5D, 0x16, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure start unit times too high") },
        /* D         B    */
        { SST(0x5D, 0x17, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure channel parametrics") },
        /* D         B    */
        { SST(0x5D, 0x18, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure controller detected") },
        /* D         B    */
        { SST(0x5D, 0x19, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure throughput performance") },
        /* D         B    */
        { SST(0x5D, 0x1A, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure seek time performance") },
        /* D         B    */
        { SST(0x5D, 0x1B, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure spin-up retry count") },
        /* D         B    */
        { SST(0x5D, 0x1C, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure drive calibration retry count") },
        /* D         B    */
        { SST(0x5D, 0x1D, SS_NOP | SSQ_PRINT_SENSE,
            "Hardware impending failure power loss protection circuit") },
        /* D         B    */
        { SST(0x5D, 0x20, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure general hard drive failure") },
        /* D         B    */
        { SST(0x5D, 0x21, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure drive error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x22, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure data error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x23, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure seek error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x24, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure too many block reassigns") },
        /* D         B    */
        { SST(0x5D, 0x25, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure access times too high") },
        /* D         B    */
        { SST(0x5D, 0x26, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure start unit times too high") },
        /* D         B    */
        { SST(0x5D, 0x27, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure channel parametrics") },
        /* D         B    */
        { SST(0x5D, 0x28, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure controller detected") },
        /* D         B    */
        { SST(0x5D, 0x29, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure throughput performance") },
        /* D         B    */
        { SST(0x5D, 0x2A, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure seek time performance") },
        /* D         B    */
        { SST(0x5D, 0x2B, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure spin-up retry count") },
        /* D         B    */
        { SST(0x5D, 0x2C, SS_NOP | SSQ_PRINT_SENSE,
            "Controller impending failure drive calibration retry count") },
        /* D         B    */
        { SST(0x5D, 0x30, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure general hard drive failure") },
        /* D         B    */
        { SST(0x5D, 0x31, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure drive error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x32, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure data error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x33, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure seek error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x34, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure too many block reassigns") },
        /* D         B    */
        { SST(0x5D, 0x35, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure access times too high") },
        /* D         B    */
        { SST(0x5D, 0x36, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure start unit times too high") },
        /* D         B    */
        { SST(0x5D, 0x37, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure channel parametrics") },
        /* D         B    */
        { SST(0x5D, 0x38, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure controller detected") },
        /* D         B    */
        { SST(0x5D, 0x39, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure throughput performance") },
        /* D         B    */
        { SST(0x5D, 0x3A, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure seek time performance") },
        /* D         B    */
        { SST(0x5D, 0x3B, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure spin-up retry count") },
        /* D         B    */
        { SST(0x5D, 0x3C, SS_NOP | SSQ_PRINT_SENSE,
            "Data channel impending failure drive calibration retry count") },
        /* D         B    */
        { SST(0x5D, 0x40, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure general hard drive failure") },
        /* D         B    */
        { SST(0x5D, 0x41, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure drive error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x42, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure data error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x43, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure seek error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x44, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure too many block reassigns") },
        /* D         B    */
        { SST(0x5D, 0x45, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure access times too high") },
        /* D         B    */
        { SST(0x5D, 0x46, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure start unit times too high") },
        /* D         B    */
        { SST(0x5D, 0x47, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure channel parametrics") },
        /* D         B    */
        { SST(0x5D, 0x48, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure controller detected") },
        /* D         B    */
        { SST(0x5D, 0x49, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure throughput performance") },
        /* D         B    */
        { SST(0x5D, 0x4A, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure seek time performance") },
        /* D         B    */
        { SST(0x5D, 0x4B, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure spin-up retry count") },
        /* D         B    */
        { SST(0x5D, 0x4C, SS_NOP | SSQ_PRINT_SENSE,
            "Servo impending failure drive calibration retry count") },
        /* D         B    */
        { SST(0x5D, 0x50, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure general hard drive failure") },
        /* D         B    */
        { SST(0x5D, 0x51, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure drive error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x52, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure data error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x53, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure seek error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x54, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure too many block reassigns") },
        /* D         B    */
        { SST(0x5D, 0x55, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure access times too high") },
        /* D         B    */
        { SST(0x5D, 0x56, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure start unit times too high") },
        /* D         B    */
        { SST(0x5D, 0x57, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure channel parametrics") },
        /* D         B    */
        { SST(0x5D, 0x58, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure controller detected") },
        /* D         B    */
        { SST(0x5D, 0x59, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure throughput performance") },
        /* D         B    */
        { SST(0x5D, 0x5A, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure seek time performance") },
        /* D         B    */
        { SST(0x5D, 0x5B, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure spin-up retry count") },
        /* D         B    */
        { SST(0x5D, 0x5C, SS_NOP | SSQ_PRINT_SENSE,
            "Spindle impending failure drive calibration retry count") },
        /* D         B    */
        { SST(0x5D, 0x60, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure general hard drive failure") },
        /* D         B    */
        { SST(0x5D, 0x61, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure drive error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x62, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure data error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x63, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure seek error rate too high") },
        /* D         B    */
        { SST(0x5D, 0x64, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure too many block reassigns") },
        /* D         B    */
        { SST(0x5D, 0x65, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure access times too high") },
        /* D         B    */
        { SST(0x5D, 0x66, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure start unit times too high") },
        /* D         B    */
        { SST(0x5D, 0x67, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure channel parametrics") },
        /* D         B    */
        { SST(0x5D, 0x68, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure controller detected") },
        /* D         B    */
        { SST(0x5D, 0x69, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure throughput performance") },
        /* D         B    */
        { SST(0x5D, 0x6A, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure seek time performance") },
        /* D         B    */
        { SST(0x5D, 0x6B, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure spin-up retry count") },
        /* D         B    */
        { SST(0x5D, 0x6C, SS_NOP | SSQ_PRINT_SENSE,
            "Firmware impending failure drive calibration retry count") },
        /* D         B    */
        { SST(0x5D, 0x73, SS_NOP | SSQ_PRINT_SENSE,
            "Media impending failure endurance limit met") },
        /* DTLPWROMAEBKVF */
        { SST(0x5D, 0xFF, SS_NOP | SSQ_PRINT_SENSE,
            "Failure prediction threshold exceeded (false)") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x00, SS_RDEF,
            "Low power condition on") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x01, SS_RDEF,
            "Idle condition activated by timer") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x02, SS_RDEF,
            "Standby condition activated by timer") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x03, SS_RDEF,
            "Idle condition activated by command") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x04, SS_RDEF,
            "Standby condition activated by command") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x05, SS_RDEF,
            "Idle-B condition activated by timer") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x06, SS_RDEF,
            "Idle-B condition activated by command") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x07, SS_RDEF,
            "Idle-C condition activated by timer") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x08, SS_RDEF,
            "Idle-C condition activated by command") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x09, SS_RDEF,
            "Standby-Y condition activated by timer") },
        /* DTLPWRO A  K   */
        { SST(0x5E, 0x0A, SS_RDEF,
            "Standby-Y condition activated by command") },
        /*           B    */
        { SST(0x5E, 0x41, SS_RDEF,      /* XXX TBD */
            "Power state change to active") },
        /*           B    */
        { SST(0x5E, 0x42, SS_RDEF,      /* XXX TBD */
            "Power state change to idle") },
        /*           B    */
        { SST(0x5E, 0x43, SS_RDEF,      /* XXX TBD */
            "Power state change to standby") },
        /*           B    */
        { SST(0x5E, 0x45, SS_RDEF,      /* XXX TBD */
            "Power state change to sleep") },
        /*           BK   */
        { SST(0x5E, 0x47, SS_RDEF,      /* XXX TBD */
            "Power state change to device control") },
        /*                */
        { SST(0x60, 0x00, SS_RDEF,
            "Lamp failure") },
        /*                */
        { SST(0x61, 0x00, SS_RDEF,
            "Video acquisition error") },
        /*                */
        { SST(0x61, 0x01, SS_RDEF,
            "Unable to acquire video") },
        /*                */
        { SST(0x61, 0x02, SS_RDEF,
            "Out of focus") },
        /*                */
        { SST(0x62, 0x00, SS_RDEF,
            "Scan head positioning error") },
        /*      R         */
        { SST(0x63, 0x00, SS_RDEF,
            "End of user area encountered on this track") },
        /*      R         */
        { SST(0x63, 0x01, SS_FATAL | ENOSPC,
            "Packet does not fit in available space") },
        /*      R         */
        { SST(0x64, 0x00, SS_FATAL | ENXIO,
            "Illegal mode for this track") },
        /*      R         */
        { SST(0x64, 0x01, SS_RDEF,
            "Invalid packet size") },
        /* DTLPWROMAEBKVF */
        { SST(0x65, 0x00, SS_RDEF,
            "Voltage fault") },
        /*                */
        { SST(0x66, 0x00, SS_RDEF,
            "Automatic document feeder cover up") },
        /*                */
        { SST(0x66, 0x01, SS_RDEF,
            "Automatic document feeder lift up") },
        /*                */
        { SST(0x66, 0x02, SS_RDEF,
            "Document jam in automatic document feeder") },
        /*                */
        { SST(0x66, 0x03, SS_RDEF,
            "Document miss feed automatic in document feeder") },
        /*         A      */
        { SST(0x67, 0x00, SS_RDEF,
            "Configuration failure") },
        /*         A      */
        { SST(0x67, 0x01, SS_RDEF,
            "Configuration of incapable logical units failed") },
        /*         A      */
        { SST(0x67, 0x02, SS_RDEF,
            "Add logical unit failed") },
        /*         A      */
        { SST(0x67, 0x03, SS_RDEF,
            "Modification of logical unit failed") },
        /*         A      */
        { SST(0x67, 0x04, SS_RDEF,
            "Exchange of logical unit failed") },
        /*         A      */
        { SST(0x67, 0x05, SS_RDEF,
            "Remove of logical unit failed") },
        /*         A      */
        { SST(0x67, 0x06, SS_RDEF,
            "Attachment of logical unit failed") },
        /*         A      */
        { SST(0x67, 0x07, SS_RDEF,
            "Creation of logical unit failed") },
        /*         A      */
        { SST(0x67, 0x08, SS_RDEF,      /* XXX TBD */
            "Assign failure occurred") },
        /*         A      */
        { SST(0x67, 0x09, SS_RDEF,      /* XXX TBD */
            "Multiply assigned logical unit") },
        /* DTLPWROMAEBKVF */
        { SST(0x67, 0x0A, SS_RDEF,      /* XXX TBD */
            "Set target port groups command failed") },
        /* DT        B    */
        { SST(0x67, 0x0B, SS_RDEF,      /* XXX TBD */
            "ATA device feature not enabled") },
        /* D              */
        { SST(0x67, 0x0C, SS_FATAL | EIO,
            "Command rejected") },
        /* D              */
        { SST(0x67, 0x0D, SS_FATAL | EINVAL,
            "Explicit bind not allowed") },
        /*         A      */
        { SST(0x68, 0x00, SS_RDEF,
            "Logical unit not configured") },
        /* D              */
        { SST(0x68, 0x01, SS_RDEF,
            "Subsidiary logical unit not configured") },
        /*         A      */
        { SST(0x69, 0x00, SS_RDEF,
            "Data loss on logical unit") },
        /*         A      */
        { SST(0x69, 0x01, SS_RDEF,
            "Multiple logical unit failures") },
        /*         A      */
        { SST(0x69, 0x02, SS_RDEF,
            "Parity/data mismatch") },
        /*         A      */
        { SST(0x6A, 0x00, SS_RDEF,
            "Informational, refer to log") },
        /*         A      */
        { SST(0x6B, 0x00, SS_RDEF,
            "State change has occurred") },
        /*         A      */
        { SST(0x6B, 0x01, SS_RDEF,
            "Redundancy level got better") },
        /*         A      */
        { SST(0x6B, 0x02, SS_RDEF,
            "Redundancy level got worse") },
        /*         A      */
        { SST(0x6C, 0x00, SS_RDEF,
            "Rebuild failure occurred") },
        /*         A      */
        { SST(0x6D, 0x00, SS_RDEF,
            "Recalculate failure occurred") },
        /*         A      */
        { SST(0x6E, 0x00, SS_RDEF,
            "Command to logical unit failed") },
        /*      R         */
        { SST(0x6F, 0x00, SS_RDEF,      /* XXX TBD */
            "Copy protection key exchange failure - authentication failure") },
        /*      R         */
        { SST(0x6F, 0x01, SS_RDEF,      /* XXX TBD */
            "Copy protection key exchange failure - key not present") },
        /*      R         */
        { SST(0x6F, 0x02, SS_RDEF,      /* XXX TBD */
            "Copy protection key exchange failure - key not established") },
        /*      R         */
        { SST(0x6F, 0x03, SS_RDEF,      /* XXX TBD */
            "Read of scrambled sector without authentication") },
        /*      R         */
        { SST(0x6F, 0x04, SS_RDEF,      /* XXX TBD */
            "Media region code is mismatched to logical unit region") },
        /*      R         */
        { SST(0x6F, 0x05, SS_RDEF,      /* XXX TBD */
            "Drive region must be permanent/region reset count error") },
        /*      R         */
        { SST(0x6F, 0x06, SS_RDEF,      /* XXX TBD */
            "Insufficient block count for binding NONCE recording") },
        /*      R         */
        { SST(0x6F, 0x07, SS_RDEF,      /* XXX TBD */
            "Conflict in binding NONCE recording") },
        /*      R         */
        { SST(0x6F, 0x08, SS_FATAL | EPERM,
            "Insufficient permission") },
        /*      R         */
        { SST(0x6F, 0x09, SS_FATAL | EINVAL,
            "Invalid drive-host pairing server") },
        /*      R         */
        { SST(0x6F, 0x0A, SS_RDEF,      /* XXX TBD */
            "Drive-host pairing suspended") },
        /*  T             */
        { SST(0x70, 0x00, SS_RDEF,
            "Decompression exception short: ASCQ = Algorithm ID") },
        /*  T             */
        { SST(0x70, 0xFF, SS_RDEF | SSQ_RANGE,
            NULL) },                    /* Range 0x00 -> 0xFF */
        /*  T             */
        { SST(0x71, 0x00, SS_RDEF,
            "Decompression exception long: ASCQ = Algorithm ID") },
        /*  T             */
        { SST(0x71, 0xFF, SS_RDEF | SSQ_RANGE,
            NULL) },                    /* Range 0x00 -> 0xFF */
        /*      R         */
        { SST(0x72, 0x00, SS_RDEF,
            "Session fixation error") },
        /*      R         */
        { SST(0x72, 0x01, SS_RDEF,
            "Session fixation error writing lead-in") },
        /*      R         */
        { SST(0x72, 0x02, SS_RDEF,
            "Session fixation error writing lead-out") },
        /*      R         */
        { SST(0x72, 0x03, SS_RDEF,
            "Session fixation error - incomplete track in session") },
        /*      R         */
        { SST(0x72, 0x04, SS_RDEF,
            "Empty or partially written reserved track") },
        /*      R         */
        { SST(0x72, 0x05, SS_RDEF,      /* XXX TBD */
            "No more track reservations allowed") },
        /*      R         */
        { SST(0x72, 0x06, SS_RDEF,      /* XXX TBD */
            "RMZ extension is not allowed") },
        /*      R         */
        { SST(0x72, 0x07, SS_RDEF,      /* XXX TBD */
            "No more test zone extensions are allowed") },
        /*      R         */
        { SST(0x73, 0x00, SS_RDEF,
            "CD control error") },
        /*      R         */
        { SST(0x73, 0x01, SS_RDEF,
            "Power calibration area almost full") },
        /*      R         */
        { SST(0x73, 0x02, SS_FATAL | ENOSPC,
            "Power calibration area is full") },
        /*      R         */
        { SST(0x73, 0x03, SS_RDEF,
            "Power calibration area error") },
        /*      R         */
        { SST(0x73, 0x04, SS_RDEF,
            "Program memory area update failure") },
        /*      R         */
        { SST(0x73, 0x05, SS_RDEF,
            "Program memory area is full") },
        /*      R         */
        { SST(0x73, 0x06, SS_RDEF,      /* XXX TBD */
            "RMA/PMA is almost full") },
        /*      R         */
        { SST(0x73, 0x10, SS_RDEF,      /* XXX TBD */
            "Current power calibration area almost full") },
        /*      R         */
        { SST(0x73, 0x11, SS_RDEF,      /* XXX TBD */
            "Current power calibration area is full") },
        /*      R         */
        { SST(0x73, 0x17, SS_RDEF,      /* XXX TBD */
            "RDZ is full") },
        /*  T             */
        { SST(0x74, 0x00, SS_RDEF,      /* XXX TBD */
            "Security error") },
        /*  T             */
        { SST(0x74, 0x01, SS_RDEF,      /* XXX TBD */
            "Unable to decrypt data") },
        /*  T             */
        { SST(0x74, 0x02, SS_RDEF,      /* XXX TBD */
            "Unencrypted data encountered while decrypting") },
        /*  T             */
        { SST(0x74, 0x03, SS_RDEF,      /* XXX TBD */
            "Incorrect data encryption key") },
        /*  T             */
        { SST(0x74, 0x04, SS_RDEF,      /* XXX TBD */
            "Cryptographic integrity validation failed") },
        /*  T             */
        { SST(0x74, 0x05, SS_RDEF,      /* XXX TBD */
            "Error decrypting data") },
        /*  T             */
        { SST(0x74, 0x06, SS_RDEF,      /* XXX TBD */
            "Unknown signature verification key") },
        /*  T             */
        { SST(0x74, 0x07, SS_RDEF,      /* XXX TBD */
            "Encryption parameters not useable") },
        /* DT   R M E  VF */
        { SST(0x74, 0x08, SS_RDEF,      /* XXX TBD */
            "Digital signature validation failure") },
        /*  T             */
        { SST(0x74, 0x09, SS_RDEF,      /* XXX TBD */
            "Encryption mode mismatch on read") },
        /*  T             */
        { SST(0x74, 0x0A, SS_RDEF,      /* XXX TBD */
            "Encrypted block not raw read enabled") },
        /*  T             */
        { SST(0x74, 0x0B, SS_RDEF,      /* XXX TBD */
            "Incorrect encryption parameters") },
        /* DT   R MAEBKV  */
        { SST(0x74, 0x0C, SS_RDEF,      /* XXX TBD */
            "Unable to decrypt parameter list") },
        /*  T             */
        { SST(0x74, 0x0D, SS_RDEF,      /* XXX TBD */
            "Encryption algorithm disabled") },
        /* DT   R MAEBKV  */
        { SST(0x74, 0x10, SS_RDEF,      /* XXX TBD */
            "SA creation parameter value invalid") },
        /* DT   R MAEBKV  */
        { SST(0x74, 0x11, SS_RDEF,      /* XXX TBD */
            "SA creation parameter value rejected") },
        /* DT   R MAEBKV  */
        { SST(0x74, 0x12, SS_RDEF,      /* XXX TBD */
            "Invalid SA usage") },
        /*  T             */
        { SST(0x74, 0x21, SS_RDEF,      /* XXX TBD */
            "Data encryption configuration prevented") },
        /* DT   R MAEBKV  */
        { SST(0x74, 0x30, SS_RDEF,      /* XXX TBD */
            "SA creation parameter not supported") },
        /* DT   R MAEBKV  */
        { SST(0x74, 0x40, SS_RDEF,      /* XXX TBD */
            "Authentication failed") },
        /*             V  */
        { SST(0x74, 0x61, SS_RDEF,      /* XXX TBD */
            "External data encryption key manager access error") },
        /*             V  */
        { SST(0x74, 0x62, SS_RDEF,      /* XXX TBD */
            "External data encryption key manager error") },
        /*             V  */
        { SST(0x74, 0x63, SS_RDEF,      /* XXX TBD */
            "External data encryption key not found") },
        /*             V  */
        { SST(0x74, 0x64, SS_RDEF,      /* XXX TBD */
            "External data encryption request not authorized") },
        /*  T             */
        { SST(0x74, 0x6E, SS_RDEF,      /* XXX TBD */
            "External data encryption control timeout") },
        /*  T             */
        { SST(0x74, 0x6F, SS_RDEF,      /* XXX TBD */
            "External data encryption control error") },
        /* DT   R M E  V  */
        { SST(0x74, 0x71, SS_FATAL | EACCES,
            "Logical unit access not authorized") },
        /* D              */
        { SST(0x74, 0x79, SS_FATAL | EACCES,
            "Security conflict in translated device") }
};

const u_int asc_table_size = nitems(asc_table);

struct asc_key
{
        int asc;
        int ascq;
};

static int
ascentrycomp(const void *key, const void *member)
{
        int asc;
        int ascq;
        const struct asc_table_entry *table_entry;

        asc = ((const struct asc_key *)key)->asc;
        ascq = ((const struct asc_key *)key)->ascq;
        table_entry = (const struct asc_table_entry *)member;

        if (asc >= table_entry->asc) {
                if (asc > table_entry->asc)
                        return (1);

                if (ascq <= table_entry->ascq) {
                        /* Check for ranges */
                        if (ascq == table_entry->ascq
                         || ((table_entry->action & SSQ_RANGE) != 0
                           && ascq >= (table_entry - 1)->ascq))
                                return (0);
                        return (-1);
                }
                return (1);
        }
        return (-1);
}

static int
senseentrycomp(const void *key, const void *member)
{
        int sense_key;
        const struct sense_key_table_entry *table_entry;

        sense_key = *((const int *)key);
        table_entry = (const struct sense_key_table_entry *)member;

        if (sense_key >= table_entry->sense_key) {
                if (sense_key == table_entry->sense_key)
                        return (0);
                return (1);
        }
        return (-1);
}

static void
fetchtableentries(int sense_key, int asc, int ascq,
                  struct scsi_inquiry_data *inq_data,
                  const struct sense_key_table_entry **sense_entry,
                  const struct asc_table_entry **asc_entry)
{
        caddr_t match;
        const struct asc_table_entry *asc_tables[2];
        const struct sense_key_table_entry *sense_tables[2];
        struct asc_key asc_ascq;
        size_t asc_tables_size[2];
        size_t sense_tables_size[2];
        int num_asc_tables;
        int num_sense_tables;
        int i;

        /* Default to failure */
        *sense_entry = NULL;
        *asc_entry = NULL;
        match = NULL;
        if (inq_data != NULL)
                match = cam_quirkmatch((caddr_t)inq_data,
                                       (caddr_t)sense_quirk_table,
                                       sense_quirk_table_size,
                                       sizeof(*sense_quirk_table),
                                       scsi_inquiry_match);

        if (match != NULL) {
                struct scsi_sense_quirk_entry *quirk;

                quirk = (struct scsi_sense_quirk_entry *)match;
                asc_tables[0] = quirk->asc_info;
                asc_tables_size[0] = quirk->num_ascs;
                asc_tables[1] = asc_table;
                asc_tables_size[1] = asc_table_size;
                num_asc_tables = 2;
                sense_tables[0] = quirk->sense_key_info;
                sense_tables_size[0] = quirk->num_sense_keys;
                sense_tables[1] = sense_key_table;
                sense_tables_size[1] = nitems(sense_key_table);
                num_sense_tables = 2;
        } else {
                asc_tables[0] = asc_table;
                asc_tables_size[0] = asc_table_size;
                num_asc_tables = 1;
                sense_tables[0] = sense_key_table;
                sense_tables_size[0] = nitems(sense_key_table);
                num_sense_tables = 1;
        }

        asc_ascq.asc = asc;
        asc_ascq.ascq = ascq;
        for (i = 0; i < num_asc_tables; i++) {
                void *found_entry;

                found_entry = bsearch(&asc_ascq, asc_tables[i],
                                      asc_tables_size[i],
                                      sizeof(**asc_tables),
                                      ascentrycomp);

                if (found_entry) {
                        /*
                         * If we get to the SSQ_RANGE entry, we're one too
                         * far. The prior entry is the interesting one, since it
                         * contains the string to print, etc. Only the top end
                         * range is interesting in this entry.
                         */
                        *asc_entry = (struct asc_table_entry *)found_entry;
                        if (((*asc_entry)->action & SSQ_RANGE) != 0)
                                (*asc_entry)--;
                        break;
                }
        }

        for (i = 0; i < num_sense_tables; i++) {
                void *found_entry;

                found_entry = bsearch(&sense_key, sense_tables[i],
                                      sense_tables_size[i],
                                      sizeof(**sense_tables),
                                      senseentrycomp);

                if (found_entry) {
                        *sense_entry =
                            (struct sense_key_table_entry *)found_entry;
                        break;
                }
        }
}

void
scsi_sense_desc(int sense_key, int asc, int ascq,
                struct scsi_inquiry_data *inq_data,
                const char **sense_key_desc, const char **asc_desc)
{
        const struct asc_table_entry *asc_entry;
        const struct sense_key_table_entry *sense_entry;

        fetchtableentries(sense_key, asc, ascq,
                          inq_data,
                          &sense_entry,
                          &asc_entry);

        if (sense_entry != NULL)
                *sense_key_desc = sense_entry->desc;
        else
                *sense_key_desc = "Invalid Sense Key";

        if (asc_entry != NULL)
                *asc_desc = asc_entry->desc;
        else if (asc >= 0x80 && asc <= 0xff)
                *asc_desc = "Vendor Specific ASC";
        else if (ascq >= 0x80 && ascq <= 0xff)
                *asc_desc = "Vendor Specific ASCQ";
        else
                *asc_desc = "Reserved ASC/ASCQ pair";
}

/*
 * Given sense and device type information, return the appropriate action.
 * If we do not understand the specific error as identified by the ASC/ASCQ
 * pair, fall back on the more generic actions derived from the sense key.
 */
scsi_sense_action
scsi_error_action(struct ccb_scsiio *csio, struct scsi_inquiry_data *inq_data,
                  uint32_t sense_flags)
{
        const struct asc_table_entry *asc_entry;
        const struct sense_key_table_entry *sense_entry;
        int error_code, sense_key, asc, ascq;
        scsi_sense_action action;

        if (!scsi_extract_sense_ccb((union ccb *)csio,
            &error_code, &sense_key, &asc, &ascq)) {
                action = SS_RDEF;
        } else if ((error_code == SSD_DEFERRED_ERROR)
         || (error_code == SSD_DESC_DEFERRED_ERROR)) {
                /*
                 * XXX dufault@FreeBSD.org
                 * This error doesn't relate to the command associated
                 * with this request sense.  A deferred error is an error
                 * for a command that has already returned GOOD status
                 * (see SCSI2 8.2.14.2).
                 *
                 * By my reading of that section, it looks like the current
                 * command has been cancelled, we should now clean things up
                 * (hopefully recovering any lost data) and then retry the
                 * current command.  There are two easy choices, both wrong:
                 *
                 * 1. Drop through (like we had been doing), thus treating
                 *    this as if the error were for the current command and
                 *    return and stop the current command.
                 *
                 * 2. Issue a retry (like I made it do) thus hopefully
                 *    recovering the current transfer, and ignoring the
                 *    fact that we've dropped a command.
                 *
                 * These should probably be handled in a device specific
                 * sense handler or punted back up to a user mode daemon
                 */
                action = SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE;
        } else {
                fetchtableentries(sense_key, asc, ascq,
                                  inq_data,
                                  &sense_entry,
                                  &asc_entry);

                /*
                 * Override the 'No additional Sense' entry (0,0)
                 * with the error action of the sense key.
                 */
                if (asc_entry != NULL
                 && (asc != 0 || ascq != 0))
                        action = asc_entry->action;
                else if (sense_entry != NULL)
                        action = sense_entry->action;
                else
                        action = SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE;

                if (sense_key == SSD_KEY_RECOVERED_ERROR) {
                        /*
                         * The action succeeded but the device wants
                         * the user to know that some recovery action
                         * was required.
                         */
                        action &= ~(SS_MASK|SSQ_MASK|SS_ERRMASK);
                        action |= SS_NOP|SSQ_PRINT_SENSE;
                } else if (sense_key == SSD_KEY_ILLEGAL_REQUEST) {
                        if ((sense_flags & SF_QUIET_IR) != 0)
                                action &= ~SSQ_PRINT_SENSE;
                } else if (sense_key == SSD_KEY_UNIT_ATTENTION) {
                        if ((sense_flags & SF_RETRY_UA) != 0
                         && (action & SS_MASK) == SS_FAIL) {
                                action &= ~(SS_MASK|SSQ_MASK);
                                action |= SS_RETRY|SSQ_DECREMENT_COUNT|
                                          SSQ_PRINT_SENSE;
                        }
                        action |= SSQ_UA;
                }
        }
        if ((action & SS_MASK) >= SS_START &&
            (sense_flags & SF_NO_RECOVERY)) {
                action &= ~SS_MASK;
                action |= SS_FAIL;
        } else if ((action & SS_MASK) == SS_RETRY &&
            (sense_flags & SF_NO_RETRY)) {
                action &= ~SS_MASK;
                action |= SS_FAIL;
        }
        if ((sense_flags & SF_PRINT_ALWAYS) != 0)
                action |= SSQ_PRINT_SENSE;
        else if ((sense_flags & SF_NO_PRINT) != 0)
                action &= ~SSQ_PRINT_SENSE;

        return (action);
}

char *
scsi_cdb_string(uint8_t *cdb_ptr, char *cdb_string, size_t len)
{
        struct sbuf sb;
        int error;

        if (len == 0)
                return ("");

        sbuf_new(&sb, cdb_string, len, SBUF_FIXEDLEN);

        scsi_cdb_sbuf(cdb_ptr, &sb);

        /* ENOMEM just means that the fixed buffer is full, OK to ignore */
        error = sbuf_finish(&sb);
        if (error != 0 &&
#ifdef _KERNEL
            error != ENOMEM)
#else
            errno != ENOMEM)
#endif
                return ("");

        return(sbuf_data(&sb));
}

void
scsi_cdb_sbuf(uint8_t *cdb_ptr, struct sbuf *sb)
{
        uint8_t cdb_len;
        int i;

        if (cdb_ptr == NULL)
                return;

        /*
         * This is taken from the SCSI-3 draft spec.
         * (T10/1157D revision 0.3)
         * The top 3 bits of an opcode are the group code.  The next 5 bits
         * are the command code.
         * Group 0:  six byte commands
         * Group 1:  ten byte commands
         * Group 2:  ten byte commands
         * Group 3:  reserved
         * Group 4:  sixteen byte commands
         * Group 5:  twelve byte commands
         * Group 6:  vendor specific
         * Group 7:  vendor specific
         */
        switch((*cdb_ptr >> 5) & 0x7) {
                case 0:
                        cdb_len = 6;
                        break;
                case 1:
                case 2:
                        cdb_len = 10;
                        break;
                case 3:
                case 6:
                case 7:
                        /* in this case, just print out the opcode */
                        cdb_len = 1;
                        break;
                case 4:
                        cdb_len = 16;
                        break;
                case 5:
                        cdb_len = 12;
                        break;
        }

        for (i = 0; i < cdb_len; i++)
                sbuf_printf(sb, "%02hhx ", cdb_ptr[i]);

        return;
}

const char *
scsi_status_string(struct ccb_scsiio *csio)
{
        switch(csio->scsi_status) {
        case SCSI_STATUS_OK:
                return("OK");
        case SCSI_STATUS_CHECK_COND:
                return("Check Condition");
        case SCSI_STATUS_BUSY:
                return("Busy");
        case SCSI_STATUS_INTERMED:
                return("Intermediate");
        case SCSI_STATUS_INTERMED_COND_MET:
                return("Intermediate-Condition Met");
        case SCSI_STATUS_RESERV_CONFLICT:
                return("Reservation Conflict");
        case SCSI_STATUS_CMD_TERMINATED:
                return("Command Terminated");
        case SCSI_STATUS_QUEUE_FULL:
                return("Queue Full");
        case SCSI_STATUS_ACA_ACTIVE:
                return("ACA Active");
        case SCSI_STATUS_TASK_ABORTED:
                return("Task Aborted");
        default: {
                static char unkstr[64];
                snprintf(unkstr, sizeof(unkstr), "Unknown %#x",
                         csio->scsi_status);
                return(unkstr);
        }
        }
}

/*
 * scsi_command_string() returns 0 for success and -1 for failure.
 */
#ifdef _KERNEL
int
scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb)
#else /* !_KERNEL */
int
scsi_command_string(struct cam_device *device, struct ccb_scsiio *csio,
                    struct sbuf *sb)
#endif /* _KERNEL/!_KERNEL */
{
        struct scsi_inquiry_data *inq_data;
#ifdef _KERNEL
        struct    ccb_getdev *cgd;
#endif /* _KERNEL */

#ifdef _KERNEL
        if ((cgd = (struct ccb_getdev*)xpt_alloc_ccb_nowait()) == NULL)
                return(-1);
        /*
         * Get the device information.
         */
        xpt_gdev_type(cgd, csio->ccb_h.path);

        /*
         * If the device is unconfigured, the inq data is invalid.
         */
        if (cgd->ccb_h.status == CAM_DEV_NOT_THERE)
                inq_data = NULL;
        else
                inq_data = &cgd->inq_data;

#else /* !_KERNEL */

        inq_data = &device->inq_data;

#endif /* _KERNEL/!_KERNEL */

        sbuf_printf(sb, "%s. CDB: ",
                    scsi_op_desc(scsiio_cdb_ptr(csio)[0], inq_data));
        scsi_cdb_sbuf(scsiio_cdb_ptr(csio), sb);

#ifdef _KERNEL
        xpt_free_ccb((union ccb *)cgd);
#endif

        return(0);
}

/*
 * Iterate over sense descriptors.  Each descriptor is passed into iter_func().
 * If iter_func() returns 0, list traversal continues.  If iter_func()
 * returns non-zero, list traversal is stopped.
 */
void
scsi_desc_iterate(struct scsi_sense_data_desc *sense, u_int sense_len,
                  int (*iter_func)(struct scsi_sense_data_desc *sense,
                                   u_int, struct scsi_sense_desc_header *,
                                   void *), void *arg)
{
        int cur_pos;
        int desc_len;

        /*
         * First make sure the extra length field is present.
         */
        if (SSD_DESC_IS_PRESENT(sense, sense_len, extra_len) == 0)
                return;

        /*
         * The length of data actually returned may be different than the
         * extra_len recorded in the structure.
         */
        desc_len = sense_len -offsetof(struct scsi_sense_data_desc, sense_desc);

        /*
         * Limit this further by the extra length reported, and the maximum
         * allowed extra length.
         */
        desc_len = MIN(desc_len, MIN(sense->extra_len, SSD_EXTRA_MAX));

        /*
         * Subtract the size of the header from the descriptor length.
         * This is to ensure that we have at least the header left, so we
         * don't have to check that inside the loop.  This can wind up
         * being a negative value.
         */
        desc_len -= sizeof(struct scsi_sense_desc_header);

        for (cur_pos = 0; cur_pos < desc_len;) {
                struct scsi_sense_desc_header *header;

                header = (struct scsi_sense_desc_header *)
                        &sense->sense_desc[cur_pos];

                /*
                 * Check to make sure we have the entire descriptor.  We
                 * don't call iter_func() unless we do.
                 *
                 * Note that although cur_pos is at the beginning of the
                 * descriptor, desc_len already has the header length
                 * subtracted.  So the comparison of the length in the
                 * header (which does not include the header itself) to
                 * desc_len - cur_pos is correct.
                 */
                if (header->length > (desc_len - cur_pos))
                        break;

                if (iter_func(sense, sense_len, header, arg) != 0)
                        break;

                cur_pos += sizeof(*header) + header->length;
        }
}

struct scsi_find_desc_info {
        uint8_t desc_type;
        struct scsi_sense_desc_header *header;
};

static int
scsi_find_desc_func(struct scsi_sense_data_desc *sense, u_int sense_len,
                    struct scsi_sense_desc_header *header, void *arg)
{
        struct scsi_find_desc_info *desc_info;

        desc_info = (struct scsi_find_desc_info *)arg;

        if (header->desc_type == desc_info->desc_type) {
                desc_info->header = header;

                /* We found the descriptor, tell the iterator to stop. */
                return (1);
        } else
                return (0);
}

/*
 * Given a descriptor type, return a pointer to it if it is in the sense
 * data and not truncated.  Avoiding truncating sense data will simplify
 * things significantly for the caller.
 */
uint8_t *
scsi_find_desc(struct scsi_sense_data_desc *sense, u_int sense_len,
               uint8_t desc_type)
{
        struct scsi_find_desc_info desc_info;

        desc_info.desc_type = desc_type;
        desc_info.header = NULL;

        scsi_desc_iterate(sense, sense_len, scsi_find_desc_func, &desc_info);

        return ((uint8_t *)desc_info.header);
}

/*
 * Fill in SCSI descriptor sense data with the specified parameters.
 */
static void
scsi_set_sense_data_desc_va(struct scsi_sense_data *sense_data,
    u_int *sense_len, scsi_sense_data_type sense_format, int current_error,
    int sense_key, int asc, int ascq, va_list ap)
{
        struct scsi_sense_data_desc *sense;
        scsi_sense_elem_type elem_type;
        int space, len;
        uint8_t *desc, *data;

        memset(sense_data, 0, sizeof(*sense_data));
        sense = (struct scsi_sense_data_desc *)sense_data;
        if (current_error != 0)
                sense->error_code = SSD_DESC_CURRENT_ERROR;
        else
                sense->error_code = SSD_DESC_DEFERRED_ERROR;
        sense->sense_key = sense_key;
        sense->add_sense_code = asc;
        sense->add_sense_code_qual = ascq;
        sense->flags = 0;

        desc = &sense->sense_desc[0];
        space = *sense_len - offsetof(struct scsi_sense_data_desc, sense_desc);
        while ((elem_type = va_arg(ap, scsi_sense_elem_type)) !=
            SSD_ELEM_NONE) {
                if (elem_type >= SSD_ELEM_MAX) {
                        printf("%s: invalid sense type %d\n", __func__,
                               elem_type);
                        break;
                }
                len = va_arg(ap, int);
                data = va_arg(ap, uint8_t *);

                switch (elem_type) {
                case SSD_ELEM_SKIP:
                        break;
                case SSD_ELEM_DESC:
                        if (space < len) {
                                sense->flags |= SSDD_SDAT_OVFL;
                                break;
                        }
                        bcopy(data, desc, len);
                        desc += len;
                        space -= len;
                        break;
                case SSD_ELEM_SKS: {
                        struct scsi_sense_sks *sks = (void *)desc;

                        if (len > sizeof(sks->sense_key_spec))
                                break;
                        if (space < sizeof(*sks)) {
                                sense->flags |= SSDD_SDAT_OVFL;
                                break;
                        }
                        sks->desc_type = SSD_DESC_SKS;
                        sks->length = sizeof(*sks) -
                            (offsetof(struct scsi_sense_sks, length) + 1);
                        bcopy(data, &sks->sense_key_spec, len);
                        desc += sizeof(*sks);
                        space -= sizeof(*sks);
                        break;
                }
                case SSD_ELEM_COMMAND: {
                        struct scsi_sense_command *cmd = (void *)desc;

                        if (len > sizeof(cmd->command_info))
                                break;
                        if (space < sizeof(*cmd)) {
                                sense->flags |= SSDD_SDAT_OVFL;
                                break;
                        }
                        cmd->desc_type = SSD_DESC_COMMAND;
                        cmd->length = sizeof(*cmd) -
                            (offsetof(struct scsi_sense_command, length) + 1);
                        bcopy(data, &cmd->command_info[
                            sizeof(cmd->command_info) - len], len);
                        desc += sizeof(*cmd);
                        space -= sizeof(*cmd);
                        break;
                }
                case SSD_ELEM_INFO: {
                        struct scsi_sense_info *info = (void *)desc;

                        if (len > sizeof(info->info))
                                break;
                        if (space < sizeof(*info)) {
                                sense->flags |= SSDD_SDAT_OVFL;
                                break;
                        }
                        info->desc_type = SSD_DESC_INFO;
                        info->length = sizeof(*info) -
                            (offsetof(struct scsi_sense_info, length) + 1);
                        info->byte2 = SSD_INFO_VALID;
                        bcopy(data, &info->info[sizeof(info->info) - len], len);
                        desc += sizeof(*info);
                        space -= sizeof(*info);
                        break;
                }
                case SSD_ELEM_FRU: {
                        struct scsi_sense_fru *fru = (void *)desc;

                        if (len > sizeof(fru->fru))
                                break;
                        if (space < sizeof(*fru)) {
                                sense->flags |= SSDD_SDAT_OVFL;
                                break;
                        }
                        fru->desc_type = SSD_DESC_FRU;
                        fru->length = sizeof(*fru) -
                            (offsetof(struct scsi_sense_fru, length) + 1);
                        fru->fru = *data;
                        desc += sizeof(*fru);
                        space -= sizeof(*fru);
                        break;
                }
                case SSD_ELEM_STREAM: {
                        struct scsi_sense_stream *stream = (void *)desc;

                        if (len > sizeof(stream->byte3))
                                break;
                        if (space < sizeof(*stream)) {
                                sense->flags |= SSDD_SDAT_OVFL;
                                break;
                        }
                        stream->desc_type = SSD_DESC_STREAM;
                        stream->length = sizeof(*stream) -
                            (offsetof(struct scsi_sense_stream, length) + 1);
                        stream->byte3 = *data;
                        desc += sizeof(*stream);
                        space -= sizeof(*stream);
                        break;
                }
                default:
                        /*
                         * We shouldn't get here, but if we do, do nothing.
                         * We've already consumed the arguments above.
                         */
                        break;
                }
        }
        sense->extra_len = desc - &sense->sense_desc[0];
        *sense_len = offsetof(struct scsi_sense_data_desc, extra_len) + 1 +
            sense->extra_len;
}

/*
 * Fill in SCSI fixed sense data with the specified parameters.
 */
static void
scsi_set_sense_data_fixed_va(struct scsi_sense_data *sense_data,
    u_int *sense_len, scsi_sense_data_type sense_format, int current_error,
    int sense_key, int asc, int ascq, va_list ap)
{
        struct scsi_sense_data_fixed *sense;
        scsi_sense_elem_type elem_type;
        uint8_t *data;
        int len;

        memset(sense_data, 0, sizeof(*sense_data));
        sense = (struct scsi_sense_data_fixed *)sense_data;
        if (current_error != 0)
                sense->error_code = SSD_CURRENT_ERROR;
        else
                sense->error_code = SSD_DEFERRED_ERROR;
        sense->flags = sense_key & SSD_KEY;
        sense->extra_len = 0;
        if (*sense_len >= 13) {
                sense->add_sense_code = asc;
                sense->extra_len = MAX(sense->extra_len, 5);
        } else
                sense->flags |= SSD_SDAT_OVFL;
        if (*sense_len >= 14) {
                sense->add_sense_code_qual = ascq;
                sense->extra_len = MAX(sense->extra_len, 6);
        } else
                sense->flags |= SSD_SDAT_OVFL;

        while ((elem_type = va_arg(ap, scsi_sense_elem_type)) !=
            SSD_ELEM_NONE) {
                if (elem_type >= SSD_ELEM_MAX) {
                        printf("%s: invalid sense type %d\n", __func__,
                               elem_type);
                        break;
                }
                len = va_arg(ap, int);
                data = va_arg(ap, uint8_t *);

                switch (elem_type) {
                case SSD_ELEM_SKIP:
                        break;
                case SSD_ELEM_SKS:
                        if (len > sizeof(sense->sense_key_spec))
                                break;
                        if (*sense_len < 18) {
                                sense->flags |= SSD_SDAT_OVFL;
                                break;
                        }
                        bcopy(data, &sense->sense_key_spec[0], len);
                        sense->extra_len = MAX(sense->extra_len, 10);
                        break;
                case SSD_ELEM_COMMAND:
                        if (*sense_len < 12) {
                                sense->flags |= SSD_SDAT_OVFL;
                                break;
                        }
                        if (len > sizeof(sense->cmd_spec_info)) {
                                data += len - sizeof(sense->cmd_spec_info);
                                len = sizeof(sense->cmd_spec_info);
                        }
                        bcopy(data, &sense->cmd_spec_info[
                            sizeof(sense->cmd_spec_info) - len], len);
                        sense->extra_len = MAX(sense->extra_len, 4);
                        break;
                case SSD_ELEM_INFO:
                        /* Set VALID bit only if no overflow. */
                        sense->error_code |= SSD_ERRCODE_VALID;
                        while (len > sizeof(sense->info)) {
                                if (data[0] != 0)
                                        sense->error_code &= ~SSD_ERRCODE_VALID;
                                data ++;
                                len --;
                        }
                        bcopy(data, &sense->info[sizeof(sense->info) - len], len);
                        break;
                case SSD_ELEM_FRU:
                        if (*sense_len < 15) {
                                sense->flags |= SSD_SDAT_OVFL;
                                break;
                        }
                        sense->fru = *data;
                        sense->extra_len = MAX(sense->extra_len, 7);
                        break;
                case SSD_ELEM_STREAM:
                        sense->flags |= *data &
                            (SSD_ILI | SSD_EOM | SSD_FILEMARK);
                        break;
                default:

                        /*
                         * We can't handle that in fixed format.  Skip it.
                         */
                        break;
                }
        }
        *sense_len = offsetof(struct scsi_sense_data_fixed, extra_len) + 1 +
            sense->extra_len;
}

/*
 * Fill in SCSI sense data with the specified parameters.  This routine can
 * fill in either fixed or descriptor type sense data.
 */
void
scsi_set_sense_data_va(struct scsi_sense_data *sense_data, u_int *sense_len,
                      scsi_sense_data_type sense_format, int current_error,
                      int sense_key, int asc, int ascq, va_list ap)
{

        if (*sense_len > SSD_FULL_SIZE)
                *sense_len = SSD_FULL_SIZE;
        if (sense_format == SSD_TYPE_DESC)
                scsi_set_sense_data_desc_va(sense_data, sense_len,
                    sense_format, current_error, sense_key, asc, ascq, ap);
        else
                scsi_set_sense_data_fixed_va(sense_data, sense_len,
                    sense_format, current_error, sense_key, asc, ascq, ap);
}

void
scsi_set_sense_data(struct scsi_sense_data *sense_data,
                    scsi_sense_data_type sense_format, int current_error,
                    int sense_key, int asc, int ascq, ...)
{
        va_list ap;
        u_int   sense_len = SSD_FULL_SIZE;

        va_start(ap, ascq);
        scsi_set_sense_data_va(sense_data, &sense_len, sense_format,
            current_error, sense_key, asc, ascq, ap);
        va_end(ap);
}

void
scsi_set_sense_data_len(struct scsi_sense_data *sense_data, u_int *sense_len,
                    scsi_sense_data_type sense_format, int current_error,
                    int sense_key, int asc, int ascq, ...)
{
        va_list ap;

        va_start(ap, ascq);
        scsi_set_sense_data_va(sense_data, sense_len, sense_format,
            current_error, sense_key, asc, ascq, ap);
        va_end(ap);
}

/*
 * Get sense information for three similar sense data types.
 */
int
scsi_get_sense_info(struct scsi_sense_data *sense_data, u_int sense_len,
                    uint8_t info_type, uint64_t *info, int64_t *signed_info)
{
        scsi_sense_data_type sense_type;

        if (sense_len == 0)
                goto bailout;

        sense_type = scsi_sense_type(sense_data);

        switch (sense_type) {
        case SSD_TYPE_DESC: {
                struct scsi_sense_data_desc *sense;
                uint8_t *desc;

                sense = (struct scsi_sense_data_desc *)sense_data;

                desc = scsi_find_desc(sense, sense_len, info_type);
                if (desc == NULL)
                        goto bailout;

                switch (info_type) {
                case SSD_DESC_INFO: {
                        struct scsi_sense_info *info_desc;

                        info_desc = (struct scsi_sense_info *)desc;

                        if ((info_desc->byte2 & SSD_INFO_VALID) == 0)
                                goto bailout;

                        *info = scsi_8btou64(info_desc->info);
                        if (signed_info != NULL)
                                *signed_info = *info;
                        break;
                }
                case SSD_DESC_COMMAND: {
                        struct scsi_sense_command *cmd_desc;

                        cmd_desc = (struct scsi_sense_command *)desc;

                        *info = scsi_8btou64(cmd_desc->command_info);
                        if (signed_info != NULL)
                                *signed_info = *info;
                        break;
                }
                case SSD_DESC_FRU: {
                        struct scsi_sense_fru *fru_desc;

                        fru_desc = (struct scsi_sense_fru *)desc;

                        if (fru_desc->fru == 0)
                                goto bailout;

                        *info = fru_desc->fru;
                        if (signed_info != NULL)
                                *signed_info = (int8_t)fru_desc->fru;
                        break;
                }
                default:
                        goto bailout;
                        break;
                }
                break;
        }
        case SSD_TYPE_FIXED: {
                struct scsi_sense_data_fixed *sense;

                sense = (struct scsi_sense_data_fixed *)sense_data;

                switch (info_type) {
                case SSD_DESC_INFO: {
                        uint32_t info_val;

                        if ((sense->error_code & SSD_ERRCODE_VALID) == 0)
                                goto bailout;

                        if (SSD_FIXED_IS_PRESENT(sense, sense_len, info) == 0)
                                goto bailout;

                        info_val = scsi_4btoul(sense->info);

                        *info = info_val;
                        if (signed_info != NULL)
                                *signed_info = (int32_t)info_val;
                        break;
                }
                case SSD_DESC_COMMAND: {
                        uint32_t cmd_val;

                        if ((SSD_FIXED_IS_PRESENT(sense, sense_len,
                             cmd_spec_info) == 0)
                         || (SSD_FIXED_IS_FILLED(sense, cmd_spec_info) == 0))
                                goto bailout;

                        cmd_val = scsi_4btoul(sense->cmd_spec_info);
                        if (cmd_val == 0)
                                goto bailout;

                        *info = cmd_val;
                        if (signed_info != NULL)
                                *signed_info = (int32_t)cmd_val;
                        break;
                }
                case SSD_DESC_FRU:
                        if ((SSD_FIXED_IS_PRESENT(sense, sense_len, fru) == 0)
                         || (SSD_FIXED_IS_FILLED(sense, fru) == 0))
                                goto bailout;

                        if (sense->fru == 0)
                                goto bailout;

                        *info = sense->fru;
                        if (signed_info != NULL)
                                *signed_info = (int8_t)sense->fru;
                        break;
                default:
                        goto bailout;
                        break;
                }
                break;
        }
        default:
                goto bailout;
                break;
        }

        return (0);
bailout:
        return (1);
}

int
scsi_get_sks(struct scsi_sense_data *sense_data, u_int sense_len, uint8_t *sks)
{
        scsi_sense_data_type sense_type;

        if (sense_len == 0)
                goto bailout;

        sense_type = scsi_sense_type(sense_data);

        switch (sense_type) {
        case SSD_TYPE_DESC: {
                struct scsi_sense_data_desc *sense;
                struct scsi_sense_sks *desc;

                sense = (struct scsi_sense_data_desc *)sense_data;

                desc = (struct scsi_sense_sks *)scsi_find_desc(sense, sense_len,
                                                               SSD_DESC_SKS);
                if (desc == NULL)
                        goto bailout;

                if ((desc->sense_key_spec[0] & SSD_SKS_VALID) == 0)
                        goto bailout;

                bcopy(desc->sense_key_spec, sks, sizeof(desc->sense_key_spec));
                break;
        }
        case SSD_TYPE_FIXED: {
                struct scsi_sense_data_fixed *sense;

                sense = (struct scsi_sense_data_fixed *)sense_data;

                if ((SSD_FIXED_IS_PRESENT(sense, sense_len, sense_key_spec)== 0)
                 || (SSD_FIXED_IS_FILLED(sense, sense_key_spec) == 0))
                        goto bailout;

                if ((sense->sense_key_spec[0] & SSD_SCS_VALID) == 0)
                        goto bailout;

                bcopy(sense->sense_key_spec, sks,sizeof(sense->sense_key_spec));
                break;
        }
        default:
                goto bailout;
                break;
        }
        return (0);
bailout:
        return (1);
}

/*
 * Provide a common interface for fixed and descriptor sense to detect
 * whether we have block-specific sense information.  It is clear by the
 * presence of the block descriptor in descriptor mode, but we have to
 * infer from the inquiry data and ILI bit in fixed mode.
 */
int
scsi_get_block_info(struct scsi_sense_data *sense_data, u_int sense_len,
                    struct scsi_inquiry_data *inq_data, uint8_t *block_bits)
{
        scsi_sense_data_type sense_type;

        if (inq_data != NULL) {
                switch (SID_TYPE(inq_data)) {
                case T_DIRECT:
                case T_RBC:
                case T_ZBC_HM:
                        break;
                default:
                        goto bailout;
                        break;
                }
        }

        sense_type = scsi_sense_type(sense_data);

        switch (sense_type) {
        case SSD_TYPE_DESC: {
                struct scsi_sense_data_desc *sense;
                struct scsi_sense_block *block;

                sense = (struct scsi_sense_data_desc *)sense_data;

                block = (struct scsi_sense_block *)scsi_find_desc(sense,
                    sense_len, SSD_DESC_BLOCK);
                if (block == NULL)
                        goto bailout;

                *block_bits = block->byte3;
                break;
        }
        case SSD_TYPE_FIXED: {
                struct scsi_sense_data_fixed *sense;

                sense = (struct scsi_sense_data_fixed *)sense_data;

                if (SSD_FIXED_IS_PRESENT(sense, sense_len, flags) == 0)
                        goto bailout;

                *block_bits = sense->flags & SSD_ILI;
                break;
        }
        default:
                goto bailout;
                break;
        }
        return (0);
bailout:
        return (1);
}

int
scsi_get_stream_info(struct scsi_sense_data *sense_data, u_int sense_len,
                     struct scsi_inquiry_data *inq_data, uint8_t *stream_bits)
{
        scsi_sense_data_type sense_type;

        if (inq_data != NULL) {
                switch (SID_TYPE(inq_data)) {
                case T_SEQUENTIAL:
                        break;
                default:
                        goto bailout;
                        break;
                }
        }

        sense_type = scsi_sense_type(sense_data);

        switch (sense_type) {
        case SSD_TYPE_DESC: {
                struct scsi_sense_data_desc *sense;
                struct scsi_sense_stream *stream;

                sense = (struct scsi_sense_data_desc *)sense_data;

                stream = (struct scsi_sense_stream *)scsi_find_desc(sense,
                    sense_len, SSD_DESC_STREAM);
                if (stream == NULL)
                        goto bailout;

                *stream_bits = stream->byte3;
                break;
        }
        case SSD_TYPE_FIXED: {
                struct scsi_sense_data_fixed *sense;

                sense = (struct scsi_sense_data_fixed *)sense_data;

                if (SSD_FIXED_IS_PRESENT(sense, sense_len, flags) == 0)
                        goto bailout;

                *stream_bits = sense->flags & (SSD_ILI|SSD_EOM|SSD_FILEMARK);
                break;
        }
        default:
                goto bailout;
                break;
        }
        return (0);
bailout:
        return (1);
}

void
scsi_info_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len,
               struct scsi_inquiry_data *inq_data, uint64_t info)
{
        sbuf_printf(sb, "Info: %#jx", info);
}

void
scsi_command_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len,
                  struct scsi_inquiry_data *inq_data, uint64_t csi)
{
        sbuf_printf(sb, "Command Specific Info: %#jx", csi);
}

void
scsi_progress_sbuf(struct sbuf *sb, uint16_t progress)
{
        sbuf_printf(sb, "Progress: %d%% (%d/%d) complete",
                    (progress * 100) / SSD_SKS_PROGRESS_DENOM,
                    progress, SSD_SKS_PROGRESS_DENOM);
}

/*
 * Returns 1 for failure (i.e. SKS isn't valid) and 0 for success.
 */
int
scsi_sks_sbuf(struct sbuf *sb, int sense_key, uint8_t *sks)
{

        switch (sense_key) {
        case SSD_KEY_ILLEGAL_REQUEST: {
                struct scsi_sense_sks_field *field;
                int bad_command;
                char tmpstr[40];

                /*Field Pointer*/
                field = (struct scsi_sense_sks_field *)sks;

                if (field->byte0 & SSD_SKS_FIELD_CMD)
                        bad_command = 1;
                else
                        bad_command = 0;

                tmpstr[0] = '\0';

                /* Bit pointer is valid */
                if (field->byte0 & SSD_SKS_BPV)
                        snprintf(tmpstr, sizeof(tmpstr), "bit %d ",
                                 field->byte0 & SSD_SKS_BIT_VALUE);

                sbuf_printf(sb, "%s byte %d %sis invalid",
                            bad_command ? "Command" : "Data",
                            scsi_2btoul(field->field), tmpstr);
                break;
        }
        case SSD_KEY_UNIT_ATTENTION: {
                struct scsi_sense_sks_overflow *overflow;

                overflow = (struct scsi_sense_sks_overflow *)sks;

                /*UA Condition Queue Overflow*/
                sbuf_printf(sb, "Unit Attention Condition Queue %s",
                            (overflow->byte0 & SSD_SKS_OVERFLOW_SET) ?
                            "Overflowed" : "Did Not Overflow??");
                break;
        }
        case SSD_KEY_RECOVERED_ERROR:
        case SSD_KEY_HARDWARE_ERROR:
        case SSD_KEY_MEDIUM_ERROR: {
                struct scsi_sense_sks_retry *retry;

                /*Actual Retry Count*/
                retry = (struct scsi_sense_sks_retry *)sks;

                sbuf_printf(sb, "Actual Retry Count: %d",
                            scsi_2btoul(retry->actual_retry_count));
                break;
        }
        case SSD_KEY_NO_SENSE:
        case SSD_KEY_NOT_READY: {
                struct scsi_sense_sks_progress *progress;
                int progress_val;

                /*Progress Indication*/
                progress = (struct scsi_sense_sks_progress *)sks;
                progress_val = scsi_2btoul(progress->progress);

                scsi_progress_sbuf(sb, progress_val);
                break;
        }
        case SSD_KEY_COPY_ABORTED: {
                struct scsi_sense_sks_segment *segment;
                char tmpstr[40];

                /*Segment Pointer*/
                segment = (struct scsi_sense_sks_segment *)sks;

                tmpstr[0] = '\0';

                if (segment->byte0 & SSD_SKS_SEGMENT_BPV)
                        snprintf(tmpstr, sizeof(tmpstr), "bit %d ",
                                 segment->byte0 & SSD_SKS_SEGMENT_BITPTR);

                sbuf_printf(sb, "%s byte %d %sis invalid", (segment->byte0 &
                            SSD_SKS_SEGMENT_SD) ? "Segment" : "Data",
                            scsi_2btoul(segment->field), tmpstr);
                break;
        }
        default:
                sbuf_printf(sb, "Sense Key Specific: %#x,%#x", sks[0],
                            scsi_2btoul(&sks[1]));
                break;
        }

        return (0);
}

void
scsi_fru_sbuf(struct sbuf *sb, uint64_t fru)
{
        sbuf_printf(sb, "Field Replaceable Unit: %d", (int)fru);
}

void
scsi_stream_sbuf(struct sbuf *sb, uint8_t stream_bits)
{
        int need_comma;

        need_comma = 0;
        /*
         * XXX KDM this needs more descriptive decoding.
         */
        sbuf_cat(sb, "Stream Command Sense Data: ");
        if (stream_bits & SSD_DESC_STREAM_FM) {
                sbuf_cat(sb, "Filemark");
                need_comma = 1;
        }

        if (stream_bits & SSD_DESC_STREAM_EOM) {
                sbuf_printf(sb, "%sEOM", (need_comma) ? "," : "");
                need_comma = 1;
        }

        if (stream_bits & SSD_DESC_STREAM_ILI)
                sbuf_printf(sb, "%sILI", (need_comma) ? "," : "");
}

void
scsi_block_sbuf(struct sbuf *sb, uint8_t block_bits)
{

        sbuf_cat(sb, "Block Command Sense Data: ");
        if (block_bits & SSD_DESC_BLOCK_ILI)
                sbuf_cat(sb, "ILI");
}

void
scsi_sense_info_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                     u_int sense_len, uint8_t *cdb, int cdb_len,
                     struct scsi_inquiry_data *inq_data,
                     struct scsi_sense_desc_header *header)
{
        struct scsi_sense_info *info;

        info = (struct scsi_sense_info *)header;

        if ((info->byte2 & SSD_INFO_VALID) == 0)
                return;

        scsi_info_sbuf(sb, cdb, cdb_len, inq_data, scsi_8btou64(info->info));
}

void
scsi_sense_command_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                        u_int sense_len, uint8_t *cdb, int cdb_len,
                        struct scsi_inquiry_data *inq_data,
                        struct scsi_sense_desc_header *header)
{
        struct scsi_sense_command *command;

        command = (struct scsi_sense_command *)header;

        scsi_command_sbuf(sb, cdb, cdb_len, inq_data,
                          scsi_8btou64(command->command_info));
}

void
scsi_sense_sks_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                    u_int sense_len, uint8_t *cdb, int cdb_len,
                    struct scsi_inquiry_data *inq_data,
                    struct scsi_sense_desc_header *header)
{
        struct scsi_sense_sks *sks;
        int error_code, sense_key, asc, ascq;

        sks = (struct scsi_sense_sks *)header;

        if ((sks->sense_key_spec[0] & SSD_SKS_VALID) == 0)
                return;

        scsi_extract_sense_len(sense, sense_len, &error_code, &sense_key,
                               &asc, &ascq, /*show_errors*/ 1);

        scsi_sks_sbuf(sb, sense_key, sks->sense_key_spec);
}

void
scsi_sense_fru_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                    u_int sense_len, uint8_t *cdb, int cdb_len,
                    struct scsi_inquiry_data *inq_data,
                    struct scsi_sense_desc_header *header)
{
        struct scsi_sense_fru *fru;

        fru = (struct scsi_sense_fru *)header;

        if (fru->fru == 0)
                return;

        scsi_fru_sbuf(sb, (uint64_t)fru->fru);
}

void
scsi_sense_stream_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                       u_int sense_len, uint8_t *cdb, int cdb_len,
                       struct scsi_inquiry_data *inq_data,
                       struct scsi_sense_desc_header *header)
{
        struct scsi_sense_stream *stream;

        stream = (struct scsi_sense_stream *)header;
        scsi_stream_sbuf(sb, stream->byte3);
}

void
scsi_sense_block_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                      u_int sense_len, uint8_t *cdb, int cdb_len,
                      struct scsi_inquiry_data *inq_data,
                      struct scsi_sense_desc_header *header)
{
        struct scsi_sense_block *block;

        block = (struct scsi_sense_block *)header;
        scsi_block_sbuf(sb, block->byte3);
}

void
scsi_sense_progress_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                         u_int sense_len, uint8_t *cdb, int cdb_len,
                         struct scsi_inquiry_data *inq_data,
                         struct scsi_sense_desc_header *header)
{
        struct scsi_sense_progress *progress;
        const char *sense_key_desc;
        const char *asc_desc;
        int progress_val;

        progress = (struct scsi_sense_progress *)header;

        /*
         * Get descriptions for the sense key, ASC, and ASCQ in the
         * progress descriptor.  These could be different than the values
         * in the overall sense data.
         */
        scsi_sense_desc(progress->sense_key, progress->add_sense_code,
                        progress->add_sense_code_qual, inq_data,
                        &sense_key_desc, &asc_desc);

        progress_val = scsi_2btoul(progress->progress);

        /*
         * The progress indicator is for the operation described by the
         * sense key, ASC, and ASCQ in the descriptor.
         */
        sbuf_cat(sb, sense_key_desc);
        sbuf_printf(sb, " asc:%x,%x (%s): ", progress->add_sense_code,
                    progress->add_sense_code_qual, asc_desc);
        scsi_progress_sbuf(sb, progress_val);
}

void
scsi_sense_ata_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                         u_int sense_len, uint8_t *cdb, int cdb_len,
                         struct scsi_inquiry_data *inq_data,
                         struct scsi_sense_desc_header *header)
{
        struct scsi_sense_ata_ret_desc *res;

        res = (struct scsi_sense_ata_ret_desc *)header;

        sbuf_printf(sb, "ATA status: %02x (%s%s%s%s%s%s%s%s), ",
            res->status,
            (res->status & 0x80) ? "BSY " : "",
            (res->status & 0x40) ? "DRDY " : "",
            (res->status & 0x20) ? "DF " : "",
            (res->status & 0x10) ? "SERV " : "",
            (res->status & 0x08) ? "DRQ " : "",
            (res->status & 0x04) ? "CORR " : "",
            (res->status & 0x02) ? "IDX " : "",
            (res->status & 0x01) ? "ERR" : "");
        if (res->status & 1) {
            sbuf_printf(sb, "error: %02x (%s%s%s%s%s%s%s%s), ",
                res->error,
                (res->error & 0x80) ? "ICRC " : "",
                (res->error & 0x40) ? "UNC " : "",
                (res->error & 0x20) ? "MC " : "",
                (res->error & 0x10) ? "IDNF " : "",
                (res->error & 0x08) ? "MCR " : "",
                (res->error & 0x04) ? "ABRT " : "",
                (res->error & 0x02) ? "NM " : "",
                (res->error & 0x01) ? "ILI" : "");
        }

        if (res->flags & SSD_DESC_ATA_FLAG_EXTEND) {
                sbuf_printf(sb, "count: %02x%02x, ",
                    res->count_15_8, res->count_7_0);
                sbuf_printf(sb, "LBA: %02x%02x%02x%02x%02x%02x, ",
                    res->lba_47_40, res->lba_39_32, res->lba_31_24,
                    res->lba_23_16, res->lba_15_8, res->lba_7_0);
        } else {
                sbuf_printf(sb, "count: %02x, ", res->count_7_0);
                sbuf_printf(sb, "LBA: %02x%02x%02x, ",
                    res->lba_23_16, res->lba_15_8, res->lba_7_0);
        }
        sbuf_printf(sb, "device: %02x, ", res->device);
}

void
scsi_sense_forwarded_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                         u_int sense_len, uint8_t *cdb, int cdb_len,
                         struct scsi_inquiry_data *inq_data,
                         struct scsi_sense_desc_header *header)
{
        struct scsi_sense_forwarded *forwarded;
        const char *sense_key_desc;
        const char *asc_desc;
        int error_code, sense_key, asc, ascq;

        forwarded = (struct scsi_sense_forwarded *)header;
        scsi_extract_sense_len((struct scsi_sense_data *)forwarded->sense_data,
            forwarded->length - 2, &error_code, &sense_key, &asc, &ascq, 1);
        scsi_sense_desc(sense_key, asc, ascq, NULL, &sense_key_desc, &asc_desc);

        sbuf_printf(sb, "Forwarded sense: %s asc:%x,%x (%s): ",
            sense_key_desc, asc, ascq, asc_desc);
}

void
scsi_sense_dabd_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                     u_int sense_len, uint8_t *cdb, int cdb_len,
                     struct scsi_inquiry_data *inq_data,
                     struct scsi_sense_desc_header *header)
{
        struct scsi_sense_direct_access_block_device *dabd;
        int error_code, sense_key, asc, ascq;

        dabd = (struct scsi_sense_direct_access_block_device *)header;

        sbuf_printf(sb, "Direct Access Block Device: fru: %d ",
            dabd->fru);
        if (dabd->sks_byte & SSD_DESC_DABD_SKS_VALID) {
                scsi_extract_sense_len(sense, sense_len, &error_code, &sense_key,
                    &asc, &ascq, /*show_errors*/ 1);
                scsi_sks_sbuf(sb, sense_key, dabd->data);
        }
        if (dabd->byte2 & SSD_DESC_DABD_VALID) {
                scsi_info_sbuf(sb, cdb, cdb_len, inq_data,
                    scsi_8btou64(dabd->info));
                scsi_command_sbuf(sb, cdb, cdb_len, inq_data,
                    scsi_8btou64(dabd->command_info));
        }
}

/*
 * Generic sense descriptor printing routine.  This is used when we have
 * not yet implemented a specific printing routine for this descriptor.
 */
void
scsi_sense_generic_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                        u_int sense_len, uint8_t *cdb, int cdb_len,
                        struct scsi_inquiry_data *inq_data,
                        struct scsi_sense_desc_header *header)
{
        int i;
        uint8_t *buf_ptr;

        sbuf_printf(sb, "Descriptor %#x:", header->desc_type);

        buf_ptr = (uint8_t *)&header[1];

        for (i = 0; i < header->length; i++, buf_ptr++)
                sbuf_printf(sb, " %02x", *buf_ptr);
}

/*
 * Keep this list in numeric order.  This speeds the array traversal.
 */
struct scsi_sense_desc_printer {
        uint8_t desc_type;
        /*
         * The function arguments here are the superset of what is needed
         * to print out various different descriptors.  Command and
         * information descriptors need inquiry data and command type.
         * Sense key specific descriptors need the sense key.
         *
         * The sense, cdb, and inquiry data arguments may be NULL, but the
         * information printed may not be fully decoded as a result.
         */
        void (*print_func)(struct sbuf *sb, struct scsi_sense_data *sense,
                           u_int sense_len, uint8_t *cdb, int cdb_len,
                           struct scsi_inquiry_data *inq_data,
                           struct scsi_sense_desc_header *header);
} scsi_sense_printers[] = {
        {SSD_DESC_INFO, scsi_sense_info_sbuf},
        {SSD_DESC_COMMAND, scsi_sense_command_sbuf},
        {SSD_DESC_SKS, scsi_sense_sks_sbuf},
        {SSD_DESC_FRU, scsi_sense_fru_sbuf},
        {SSD_DESC_STREAM, scsi_sense_stream_sbuf},
        {SSD_DESC_BLOCK, scsi_sense_block_sbuf},
        {SSD_DESC_ATA, scsi_sense_ata_sbuf},
        {SSD_DESC_PROGRESS, scsi_sense_progress_sbuf},
        {SSD_DESC_DABD, scsi_sense_dabd_sbuf},
        {SSD_DESC_FORWARDED, scsi_sense_forwarded_sbuf},
};

void
scsi_sense_desc_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                     u_int sense_len, uint8_t *cdb, int cdb_len,
                     struct scsi_inquiry_data *inq_data,
                     struct scsi_sense_desc_header *header)
{
        u_int i;

        for (i = 0; i < nitems(scsi_sense_printers); i++) {
                struct scsi_sense_desc_printer *printer;

                printer = &scsi_sense_printers[i];

                /*
                 * The list is sorted, so quit if we've passed our
                 * descriptor number.
                 */
                if (printer->desc_type > header->desc_type)
                        break;

                if (printer->desc_type != header->desc_type)
                        continue;

                printer->print_func(sb, sense, sense_len, cdb, cdb_len,
                                    inq_data, header);

                return;
        }

        /*
         * No specific printing routine, so use the generic routine.
         */
        scsi_sense_generic_sbuf(sb, sense, sense_len, cdb, cdb_len,
                                inq_data, header);
}

scsi_sense_data_type
scsi_sense_type(struct scsi_sense_data *sense_data)
{
        switch (sense_data->error_code & SSD_ERRCODE) {
        case SSD_DESC_CURRENT_ERROR:
        case SSD_DESC_DEFERRED_ERROR:
                return (SSD_TYPE_DESC);
                break;
        case SSD_CURRENT_ERROR:
        case SSD_DEFERRED_ERROR:
                return (SSD_TYPE_FIXED);
                break;
        default:
                break;
        }

        return (SSD_TYPE_NONE);
}

struct scsi_print_sense_info {
        struct sbuf *sb;
        char *path_str;
        uint8_t *cdb;
        int cdb_len;
        struct scsi_inquiry_data *inq_data;
};

static int
scsi_print_desc_func(struct scsi_sense_data_desc *sense, u_int sense_len,
                     struct scsi_sense_desc_header *header, void *arg)
{
        struct scsi_print_sense_info *print_info;

        print_info = (struct scsi_print_sense_info *)arg;

        switch (header->desc_type) {
        case SSD_DESC_INFO:
        case SSD_DESC_FRU:
        case SSD_DESC_COMMAND:
        case SSD_DESC_SKS:
        case SSD_DESC_BLOCK:
        case SSD_DESC_STREAM:
                /*
                 * We have already printed these descriptors, if they are
                 * present.
                 */
                break;
        default: {
                sbuf_printf(print_info->sb, "%s", print_info->path_str);
                scsi_sense_desc_sbuf(print_info->sb,
                                     (struct scsi_sense_data *)sense, sense_len,
                                     print_info->cdb, print_info->cdb_len,
                                     print_info->inq_data, header);
                sbuf_putc(print_info->sb, '\n');
                break;
        }
        }

        /*
         * Tell the iterator that we want to see more descriptors if they
         * are present.
         */
        return (0);
}

void
scsi_sense_only_sbuf(struct scsi_sense_data *sense, u_int sense_len,
                     struct sbuf *sb, char *path_str,
                     struct scsi_inquiry_data *inq_data, uint8_t *cdb,
                     int cdb_len)
{
        int error_code, sense_key, asc, ascq;

        sbuf_cat(sb, path_str);

        scsi_extract_sense_len(sense, sense_len, &error_code, &sense_key,
                               &asc, &ascq, /*show_errors*/ 1);

        sbuf_cat(sb, "SCSI sense: ");
        switch (error_code) {
        case SSD_DEFERRED_ERROR:
        case SSD_DESC_DEFERRED_ERROR:
                sbuf_cat(sb, "Deferred error: ");

                /* FALLTHROUGH */
        case SSD_CURRENT_ERROR:
        case SSD_DESC_CURRENT_ERROR:
        {
                struct scsi_sense_data_desc *desc_sense;
                struct scsi_print_sense_info print_info;
                const char *sense_key_desc;
                const char *asc_desc;
                uint8_t sks[3];
                uint64_t val;
                uint8_t bits;

                /*
                 * Get descriptions for the sense key, ASC, and ASCQ.  If
                 * these aren't present in the sense data (i.e. the sense
                 * data isn't long enough), the -1 values that
                 * scsi_extract_sense_len() returns will yield default
                 * or error descriptions.
                 */
                scsi_sense_desc(sense_key, asc, ascq, inq_data,
                                &sense_key_desc, &asc_desc);

                /*
                 * We first print the sense key and ASC/ASCQ.
                 */
                sbuf_cat(sb, sense_key_desc);
                sbuf_printf(sb, " asc:%x,%x (%s)\n", asc, ascq, asc_desc);

                /*
                 * Print any block or stream device-specific information.
                 */
                if (scsi_get_block_info(sense, sense_len, inq_data,
                    &bits) == 0 && bits != 0) {
                        sbuf_cat(sb, path_str);
                        scsi_block_sbuf(sb, bits);
                        sbuf_putc(sb, '\n');
                } else if (scsi_get_stream_info(sense, sense_len, inq_data,
                    &bits) == 0 && bits != 0) {
                        sbuf_cat(sb, path_str);
                        scsi_stream_sbuf(sb, bits);
                        sbuf_putc(sb, '\n');
                }

                /*
                 * Print the info field.
                 */
                if (scsi_get_sense_info(sense, sense_len, SSD_DESC_INFO,
                                        &val, NULL) == 0) {
                        sbuf_cat(sb, path_str);
                        scsi_info_sbuf(sb, cdb, cdb_len, inq_data, val);
                        sbuf_putc(sb, '\n');
                }

                /*
                 * Print the FRU.
                 */
                if (scsi_get_sense_info(sense, sense_len, SSD_DESC_FRU,
                                        &val, NULL) == 0) {
                        sbuf_cat(sb, path_str);
                        scsi_fru_sbuf(sb, val);
                        sbuf_putc(sb, '\n');
                }

                /*
                 * Print any command-specific information.
                 */
                if (scsi_get_sense_info(sense, sense_len, SSD_DESC_COMMAND,
                                        &val, NULL) == 0) {
                        sbuf_cat(sb, path_str);
                        scsi_command_sbuf(sb, cdb, cdb_len, inq_data, val);
                        sbuf_putc(sb, '\n');
                }

                /*
                 * Print out any sense-key-specific information.
                 */
                if (scsi_get_sks(sense, sense_len, sks) == 0) {
                        sbuf_cat(sb, path_str);
                        scsi_sks_sbuf(sb, sense_key, sks);
                        sbuf_putc(sb, '\n');
                }

                /*
                 * If this is fixed sense, we're done.  If we have
                 * descriptor sense, we might have more information
                 * available.
                 */
                if (scsi_sense_type(sense) != SSD_TYPE_DESC)
                        break;

                desc_sense = (struct scsi_sense_data_desc *)sense;

                print_info.sb = sb;
                print_info.path_str = path_str;
                print_info.cdb = cdb;
                print_info.cdb_len = cdb_len;
                print_info.inq_data = inq_data;

                /*
                 * Print any sense descriptors that we have not already printed.
                 */
                scsi_desc_iterate(desc_sense, sense_len, scsi_print_desc_func,
                                  &print_info);
                break;
        }
        case -1:
                /*
                 * scsi_extract_sense_len() sets values to -1 if the
                 * show_errors flag is set and they aren't present in the
                 * sense data.  This means that sense_len is 0.
                 */
                sbuf_cat(sb, "No sense data present\n");
                break;
        default: {
                sbuf_printf(sb, "Error code 0x%x", error_code);
                if (sense->error_code & SSD_ERRCODE_VALID) {
                        struct scsi_sense_data_fixed *fixed_sense;

                        fixed_sense = (struct scsi_sense_data_fixed *)sense;

                        if (SSD_FIXED_IS_PRESENT(fixed_sense, sense_len, info)){
                                uint32_t info;

                                info = scsi_4btoul(fixed_sense->info);

                                sbuf_printf(sb, " at block no. %d (decimal)",
                                            info);
                        }
                }
                sbuf_putc(sb, '\n');
                break;
        }
        }
}

/*
 * scsi_sense_sbuf() returns 0 for success and -1 for failure.
 */
#ifdef _KERNEL
int
scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb,
                scsi_sense_string_flags flags)
#else /* !_KERNEL */
int
scsi_sense_sbuf(struct cam_device *device, struct ccb_scsiio *csio,
                struct sbuf *sb, scsi_sense_string_flags flags)
#endif /* _KERNEL/!_KERNEL */
{
        struct    scsi_sense_data *sense;
        struct    scsi_inquiry_data *inq_data;
#ifdef _KERNEL
        struct    ccb_getdev *cgd;
#endif /* _KERNEL */
        char      path_str[64];

#ifndef _KERNEL
        if (device == NULL)
                return(-1);
#endif /* !_KERNEL */
        if ((csio == NULL) || (sb == NULL))
                return(-1);

        /*
         * If the CDB is a physical address, we can't deal with it..
         */
        if ((csio->ccb_h.flags & CAM_CDB_PHYS) != 0)
                flags &= ~SSS_FLAG_PRINT_COMMAND;

#ifdef _KERNEL
        xpt_path_string(csio->ccb_h.path, path_str, sizeof(path_str));
#else /* !_KERNEL */
        cam_path_string(device, path_str, sizeof(path_str));
#endif /* _KERNEL/!_KERNEL */

#ifdef _KERNEL
        if ((cgd = (struct ccb_getdev*)xpt_alloc_ccb_nowait()) == NULL)
                return(-1);
        /*
         * Get the device information.
         */
        xpt_gdev_type(cgd, csio->ccb_h.path);

        /*
         * If the device is unconfigured, the inq data is invalid.
         */
        if (cgd->ccb_h.status == CAM_DEV_NOT_THERE)
                inq_data = NULL;
        else
                inq_data = &cgd->inq_data;

#else /* !_KERNEL */

        inq_data = &device->inq_data;

#endif /* _KERNEL/!_KERNEL */

        sense = NULL;

        if (flags & SSS_FLAG_PRINT_COMMAND) {
                sbuf_cat(sb, path_str);

#ifdef _KERNEL
                scsi_command_string(csio, sb);
#else /* !_KERNEL */
                scsi_command_string(device, csio, sb);
#endif /* _KERNEL/!_KERNEL */
                sbuf_putc(sb, '\n');
        }

        /*
         * If the sense data is a physical pointer, forget it.
         */
        if (csio->ccb_h.flags & CAM_SENSE_PTR) {
                if (csio->ccb_h.flags & CAM_SENSE_PHYS) {
#ifdef _KERNEL
                        xpt_free_ccb((union ccb*)cgd);
#endif /* _KERNEL/!_KERNEL */
                        return(-1);
                } else {
                        /*
                         * bcopy the pointer to avoid unaligned access
                         * errors on finicky architectures.  We don't
                         * ensure that the sense data is pointer aligned.
                         */
                        bcopy((struct scsi_sense_data **)&csio->sense_data,
                            &sense, sizeof(struct scsi_sense_data *));
                }
        } else {
                /*
                 * If the physical sense flag is set, but the sense pointer
                 * is not also set, we assume that the user is an idiot and
                 * return.  (Well, okay, it could be that somehow, the
                 * entire csio is physical, but we would have probably core
                 * dumped on one of the bogus pointer deferences above
                 * already.)
                 */
                if (csio->ccb_h.flags & CAM_SENSE_PHYS) {
#ifdef _KERNEL
                        xpt_free_ccb((union ccb*)cgd);
#endif /* _KERNEL/!_KERNEL */
                        return(-1);
                } else
                        sense = &csio->sense_data;
        }

        scsi_sense_only_sbuf(sense, csio->sense_len - csio->sense_resid, sb,
            path_str, inq_data, scsiio_cdb_ptr(csio), csio->cdb_len);

#ifdef _KERNEL
        xpt_free_ccb((union ccb*)cgd);
#endif /* _KERNEL/!_KERNEL */
        return(0);
}

#ifdef _KERNEL
char *
scsi_sense_string(struct ccb_scsiio *csio, char *str, int str_len)
#else /* !_KERNEL */
char *
scsi_sense_string(struct cam_device *device, struct ccb_scsiio *csio,
                  char *str, int str_len)
#endif /* _KERNEL/!_KERNEL */
{
        struct sbuf sb;

        sbuf_new(&sb, str, str_len, 0);

#ifdef _KERNEL
        scsi_sense_sbuf(csio, &sb, SSS_FLAG_PRINT_COMMAND);
#else /* !_KERNEL */
        scsi_sense_sbuf(device, csio, &sb, SSS_FLAG_PRINT_COMMAND);
#endif /* _KERNEL/!_KERNEL */

        sbuf_finish(&sb);

        return(sbuf_data(&sb));
}

#ifdef _KERNEL
void
scsi_sense_print(struct ccb_scsiio *csio)
{
        struct sbuf sb;
        char str[512];

        sbuf_new(&sb, str, sizeof(str), 0);

        scsi_sense_sbuf(csio, &sb, SSS_FLAG_PRINT_COMMAND);

        sbuf_finish(&sb);

        sbuf_putbuf(&sb);
}

#else /* !_KERNEL */
void
scsi_sense_print(struct cam_device *device, struct ccb_scsiio *csio,
                 FILE *ofile)
{
        struct sbuf sb;
        char str[512];

        if ((device == NULL) || (csio == NULL) || (ofile == NULL))
                return;

        sbuf_new(&sb, str, sizeof(str), 0);

        scsi_sense_sbuf(device, csio, &sb, SSS_FLAG_PRINT_COMMAND);

        sbuf_finish(&sb);

        fprintf(ofile, "%s", sbuf_data(&sb));
}

#endif /* _KERNEL/!_KERNEL */

/*
 * Extract basic sense information.  This is backward-compatible with the
 * previous implementation.  For new implementations,
 * scsi_extract_sense_len() is recommended.
 */
void
scsi_extract_sense(struct scsi_sense_data *sense_data, int *error_code,
                   int *sense_key, int *asc, int *ascq)
{
        scsi_extract_sense_len(sense_data, sizeof(*sense_data), error_code,
                               sense_key, asc, ascq, /*show_errors*/ 0);
}

/*
 * Extract basic sense information from SCSI I/O CCB structure.
 */
int
scsi_extract_sense_ccb(union ccb *ccb,
    int *error_code, int *sense_key, int *asc, int *ascq)
{
        struct scsi_sense_data *sense_data;

        /* Make sure there are some sense data we can access. */
        if (ccb->ccb_h.func_code != XPT_SCSI_IO ||
            (ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_SCSI_STATUS_ERROR ||
            (ccb->csio.scsi_status != SCSI_STATUS_CHECK_COND) ||
            (ccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0 ||
            (ccb->ccb_h.flags & CAM_SENSE_PHYS))
                return (0);

        if (ccb->ccb_h.flags & CAM_SENSE_PTR)
                bcopy((struct scsi_sense_data **)&ccb->csio.sense_data,
                    &sense_data, sizeof(struct scsi_sense_data *));
        else
                sense_data = &ccb->csio.sense_data;
        scsi_extract_sense_len(sense_data,
            ccb->csio.sense_len - ccb->csio.sense_resid,
            error_code, sense_key, asc, ascq, 1);
        if (*error_code == -1)
                return (0);
        return (1);
}

/*
 * Extract basic sense information.  If show_errors is set, sense values
 * will be set to -1 if they are not present.
 */
void
scsi_extract_sense_len(struct scsi_sense_data *sense_data, u_int sense_len,
                       int *error_code, int *sense_key, int *asc, int *ascq,
                       int show_errors)
{
        /*
         * If we have no length, we have no sense.
         */
        if (sense_len == 0) {
                if (show_errors == 0) {
                        *error_code = 0;
                        *sense_key = 0;
                        *asc = 0;
                        *ascq = 0;
                } else {
                        *error_code = -1;
                        *sense_key = -1;
                        *asc = -1;
                        *ascq = -1;
                }
                return;
        }

        *error_code = sense_data->error_code & SSD_ERRCODE;

        switch (*error_code) {
        case SSD_DESC_CURRENT_ERROR:
        case SSD_DESC_DEFERRED_ERROR: {
                struct scsi_sense_data_desc *sense;

                sense = (struct scsi_sense_data_desc *)sense_data;

                if (SSD_DESC_IS_PRESENT(sense, sense_len, sense_key))
                        *sense_key = sense->sense_key & SSD_KEY;
                else
                        *sense_key = (show_errors) ? -1 : 0;

                if (SSD_DESC_IS_PRESENT(sense, sense_len, add_sense_code))
                        *asc = sense->add_sense_code;
                else
                        *asc = (show_errors) ? -1 : 0;

                if (SSD_DESC_IS_PRESENT(sense, sense_len, add_sense_code_qual))
                        *ascq = sense->add_sense_code_qual;
                else
                        *ascq = (show_errors) ? -1 : 0;
                break;
        }
        case SSD_CURRENT_ERROR:
        case SSD_DEFERRED_ERROR:
        default: {
                struct scsi_sense_data_fixed *sense;

                sense = (struct scsi_sense_data_fixed *)sense_data;

                if (SSD_FIXED_IS_PRESENT(sense, sense_len, flags))
                        *sense_key = sense->flags & SSD_KEY;
                else
                        *sense_key = (show_errors) ? -1 : 0;

                if ((SSD_FIXED_IS_PRESENT(sense, sense_len, add_sense_code))
                 && (SSD_FIXED_IS_FILLED(sense, add_sense_code)))
                        *asc = sense->add_sense_code;
                else
                        *asc = (show_errors) ? -1 : 0;

                if ((SSD_FIXED_IS_PRESENT(sense, sense_len,add_sense_code_qual))
                 && (SSD_FIXED_IS_FILLED(sense, add_sense_code_qual)))
                        *ascq = sense->add_sense_code_qual;
                else
                        *ascq = (show_errors) ? -1 : 0;
                break;
        }
        }
}

int
scsi_get_sense_key(struct scsi_sense_data *sense_data, u_int sense_len,
                   int show_errors)
{
        int error_code, sense_key, asc, ascq;

        scsi_extract_sense_len(sense_data, sense_len, &error_code,
                               &sense_key, &asc, &ascq, show_errors);

        return (sense_key);
}

int
scsi_get_asc(struct scsi_sense_data *sense_data, u_int sense_len,
             int show_errors)
{
        int error_code, sense_key, asc, ascq;

        scsi_extract_sense_len(sense_data, sense_len, &error_code,
                               &sense_key, &asc, &ascq, show_errors);

        return (asc);
}

int
scsi_get_ascq(struct scsi_sense_data *sense_data, u_int sense_len,
              int show_errors)
{
        int error_code, sense_key, asc, ascq;

        scsi_extract_sense_len(sense_data, sense_len, &error_code,
                               &sense_key, &asc, &ascq, show_errors);

        return (ascq);
}

/*
 * This function currently requires at least 36 bytes, or
 * SHORT_INQUIRY_LENGTH, worth of data to function properly.  If this
 * function needs more or less data in the future, another length should be
 * defined in scsi_all.h to indicate the minimum amount of data necessary
 * for this routine to function properly.
 */
void
scsi_print_inquiry_sbuf(struct sbuf *sb, struct scsi_inquiry_data *inq_data)
{
        uint8_t type;
        char *dtype, *qtype;

        type = SID_TYPE(inq_data);

        /*
         * Figure out basic device type and qualifier.
         */
        if (SID_QUAL_IS_VENDOR_UNIQUE(inq_data)) {
                qtype = " (vendor-unique qualifier)";
        } else {
                switch (SID_QUAL(inq_data)) {
                case SID_QUAL_LU_CONNECTED:
                        qtype = "";
                        break;

                case SID_QUAL_LU_OFFLINE:
                        qtype = " (offline)";
                        break;

                case SID_QUAL_RSVD:
                        qtype = " (reserved qualifier)";
                        break;
                default:
                case SID_QUAL_BAD_LU:
                        qtype = " (LUN not supported)";
                        break;
                }
        }

        switch (type) {
        case T_DIRECT:
                dtype = "Direct Access";
                break;
        case T_SEQUENTIAL:
                dtype = "Sequential Access";
                break;
        case T_PRINTER:
                dtype = "Printer";
                break;
        case T_PROCESSOR:
                dtype = "Processor";
                break;
        case T_WORM:
                dtype = "WORM";
                break;
        case T_CDROM:
                dtype = "CD-ROM";
                break;
        case T_SCANNER:
                dtype = "Scanner";
                break;
        case T_OPTICAL:
                dtype = "Optical";
                break;
        case T_CHANGER:
                dtype = "Changer";
                break;
        case T_COMM:
                dtype = "Communication";
                break;
        case T_STORARRAY:
                dtype = "Storage Array";
                break;
        case T_ENCLOSURE:
                dtype = "Enclosure Services";
                break;
        case T_RBC:
                dtype = "Simplified Direct Access";
                break;
        case T_OCRW:
                dtype = "Optical Card Read/Write";
                break;
        case T_OSD:
                dtype = "Object-Based Storage";
                break;
        case T_ADC:
                dtype = "Automation/Drive Interface";
                break;
        case T_ZBC_HM:
                dtype = "Host Managed Zoned Block";
                break;
        case T_NODEVICE:
                dtype = "Uninstalled";
                break;
        default:
                dtype = "unknown";
                break;
        }

        scsi_print_inquiry_short_sbuf(sb, inq_data);

        sbuf_printf(sb, "%s %s ", SID_IS_REMOVABLE(inq_data) ? "Removable" : "Fixed", dtype);

        if (SID_ANSI_REV(inq_data) == SCSI_REV_0)
                sbuf_cat(sb, "SCSI ");
        else if (SID_ANSI_REV(inq_data) <= SCSI_REV_SPC) {
                sbuf_printf(sb, "SCSI-%d ", SID_ANSI_REV(inq_data));
        } else {
                sbuf_printf(sb, "SPC-%d SCSI ", SID_ANSI_REV(inq_data) - 2);
        }
        sbuf_printf(sb, "device%s\n", qtype);
}

void
scsi_print_inquiry(struct scsi_inquiry_data *inq_data)
{
        struct sbuf     sb;
        char            buffer[120];

        sbuf_new(&sb, buffer, 120, SBUF_FIXEDLEN);
        scsi_print_inquiry_sbuf(&sb, inq_data);
        sbuf_finish(&sb);
        sbuf_putbuf(&sb);
}

void
scsi_print_inquiry_short_sbuf(struct sbuf *sb, struct scsi_inquiry_data *inq_data)
{

        sbuf_putc(sb, '<');
        cam_strvis_sbuf(sb, inq_data->vendor, sizeof(inq_data->vendor), 0);
        sbuf_putc(sb, ' ');
        cam_strvis_sbuf(sb, inq_data->product, sizeof(inq_data->product), 0);
        sbuf_putc(sb, ' ');
        cam_strvis_sbuf(sb, inq_data->revision, sizeof(inq_data->revision), 0);
        sbuf_cat(sb, "> ");
}

void
scsi_print_inquiry_short(struct scsi_inquiry_data *inq_data)
{
        struct sbuf     sb;
        char            buffer[84];

        sbuf_new(&sb, buffer, 84, SBUF_FIXEDLEN);
        scsi_print_inquiry_short_sbuf(&sb, inq_data);
        sbuf_finish(&sb);
        sbuf_putbuf(&sb);
}

/*
 * Table of syncrates that don't follow the "divisible by 4"
 * rule. This table will be expanded in future SCSI specs.
 */
static struct {
        u_int period_factor;
        u_int period;   /* in 100ths of ns */
} scsi_syncrates[] = {
        { 0x08, 625 },  /* FAST-160 */
        { 0x09, 1250 }, /* FAST-80 */
        { 0x0a, 2500 }, /* FAST-40 40MHz */
        { 0x0b, 3030 }, /* FAST-40 33MHz */
        { 0x0c, 5000 }  /* FAST-20 */
};

/*
 * Return the frequency in kHz corresponding to the given
 * sync period factor.
 */
u_int
scsi_calc_syncsrate(u_int period_factor)
{
        u_int i;
        u_int num_syncrates;

        /*
         * It's a bug if period is zero, but if it is anyway, don't
         * die with a divide fault- instead return something which
         * 'approximates' async
         */
        if (period_factor == 0) {
                return (3300);
        }

        num_syncrates = nitems(scsi_syncrates);
        /* See if the period is in the "exception" table */
        for (i = 0; i < num_syncrates; i++) {
                if (period_factor == scsi_syncrates[i].period_factor) {
                        /* Period in kHz */
                        return (100000000 / scsi_syncrates[i].period);
                }
        }

        /*
         * Wasn't in the table, so use the standard
         * 4 times conversion.
         */
        return (10000000 / (period_factor * 4 * 10));
}

/*
 * Return the SCSI sync parameter that corresponds to
 * the passed in period in 10ths of ns.
 */
u_int
scsi_calc_syncparam(u_int period)
{
        u_int i;
        u_int num_syncrates;

        if (period == 0)
                return (~0);    /* Async */

        /* Adjust for exception table being in 100ths. */
        period *= 10;
        num_syncrates = nitems(scsi_syncrates);
        /* See if the period is in the "exception" table */
        for (i = 0; i < num_syncrates; i++) {
                if (period <= scsi_syncrates[i].period) {
                        /* Period in 100ths of ns */
                        return (scsi_syncrates[i].period_factor);
                }
        }

        /*
         * Wasn't in the table, so use the standard
         * 1/4 period in ns conversion.
         */
        return (period/400);
}

int
scsi_devid_is_naa_ieee_reg(uint8_t *bufp)
{
        struct scsi_vpd_id_descriptor *descr;
        struct scsi_vpd_id_naa_basic *naa;
        int n;

        descr = (struct scsi_vpd_id_descriptor *)bufp;
        naa = (struct scsi_vpd_id_naa_basic *)descr->identifier;
        if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_NAA)
                return 0;
        if (descr->length < sizeof(struct scsi_vpd_id_naa_ieee_reg))
                return 0;
        n = naa->naa >> SVPD_ID_NAA_NAA_SHIFT;
        if (n != SVPD_ID_NAA_LOCAL_REG && n != SVPD_ID_NAA_IEEE_REG)
                return 0;
        return 1;
}

int
scsi_devid_is_sas_target(uint8_t *bufp)
{
        struct scsi_vpd_id_descriptor *descr;

        descr = (struct scsi_vpd_id_descriptor *)bufp;
        if (!scsi_devid_is_naa_ieee_reg(bufp))
                return 0;
        if ((descr->id_type & SVPD_ID_PIV) == 0) /* proto field reserved */
                return 0;
        if ((descr->proto_codeset >> SVPD_ID_PROTO_SHIFT) != SCSI_PROTO_SAS)
                return 0;
        return 1;
}

int
scsi_devid_is_lun_eui64(uint8_t *bufp)
{
        struct scsi_vpd_id_descriptor *descr;

        descr = (struct scsi_vpd_id_descriptor *)bufp;
        if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN)
                return 0;
        if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_EUI64)
                return 0;
        return 1;
}

int
scsi_devid_is_lun_naa(uint8_t *bufp)
{
        struct scsi_vpd_id_descriptor *descr;

        descr = (struct scsi_vpd_id_descriptor *)bufp;
        if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN)
                return 0;
        if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_NAA)
                return 0;
        return 1;
}

int
scsi_devid_is_lun_t10(uint8_t *bufp)
{
        struct scsi_vpd_id_descriptor *descr;

        descr = (struct scsi_vpd_id_descriptor *)bufp;
        if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN)
                return 0;
        if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_T10)
                return 0;
        return 1;
}

int
scsi_devid_is_lun_name(uint8_t *bufp)
{
        struct scsi_vpd_id_descriptor *descr;

        descr = (struct scsi_vpd_id_descriptor *)bufp;
        if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN)
                return 0;
        if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_SCSI_NAME)
                return 0;
        return 1;
}

int
scsi_devid_is_lun_md5(uint8_t *bufp)
{
        struct scsi_vpd_id_descriptor *descr;

        descr = (struct scsi_vpd_id_descriptor *)bufp;
        if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN)
                return 0;
        if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_MD5_LUN_ID)
                return 0;
        return 1;
}

int
scsi_devid_is_lun_uuid(uint8_t *bufp)
{
        struct scsi_vpd_id_descriptor *descr;

        descr = (struct scsi_vpd_id_descriptor *)bufp;
        if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN)
                return 0;
        if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_UUID)
                return 0;
        return 1;
}

int
scsi_devid_is_port_naa(uint8_t *bufp)
{
        struct scsi_vpd_id_descriptor *descr;

        descr = (struct scsi_vpd_id_descriptor *)bufp;
        if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_PORT)
                return 0;
        if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_NAA)
                return 0;
        return 1;
}

struct scsi_vpd_id_descriptor *
scsi_get_devid_desc(struct scsi_vpd_id_descriptor *desc, uint32_t len,
    scsi_devid_checkfn_t ck_fn)
{
        uint8_t *desc_buf_end;

        desc_buf_end = (uint8_t *)desc + len;

        for (; desc->identifier <= desc_buf_end &&
            desc->identifier + desc->length <= desc_buf_end;
            desc = (struct scsi_vpd_id_descriptor *)(desc->identifier
                                                    + desc->length)) {
                if (ck_fn == NULL || ck_fn((uint8_t *)desc) != 0)
                        return (desc);
        }
        return (NULL);
}

struct scsi_vpd_id_descriptor *
scsi_get_devid(struct scsi_vpd_device_id *id, uint32_t page_len,
    scsi_devid_checkfn_t ck_fn)
{
        uint32_t len;

        if (page_len < sizeof(*id))
                return (NULL);
        len = MIN(scsi_2btoul(id->length), page_len - sizeof(*id));
        return (scsi_get_devid_desc((struct scsi_vpd_id_descriptor *)
            id->desc_list, len, ck_fn));
}

int
scsi_transportid_sbuf(struct sbuf *sb, struct scsi_transportid_header *hdr,
                      uint32_t valid_len)
{
        switch (hdr->format_protocol & SCSI_TRN_PROTO_MASK) {
        case SCSI_PROTO_FC: {
                struct scsi_transportid_fcp *fcp;
                uint64_t n_port_name;

                fcp = (struct scsi_transportid_fcp *)hdr;

                n_port_name = scsi_8btou64(fcp->n_port_name);

                sbuf_printf(sb, "FCP address: 0x%.16jx",(uintmax_t)n_port_name);
                break;
        }
        case SCSI_PROTO_SPI: {
                struct scsi_transportid_spi *spi;

                spi = (struct scsi_transportid_spi *)hdr;

                sbuf_printf(sb, "SPI address: %u,%u",
                            scsi_2btoul(spi->scsi_addr),
                            scsi_2btoul(spi->rel_trgt_port_id));
                break;
        }
        case SCSI_PROTO_SSA:
                /*
                 * XXX KDM there is no transport ID defined in SPC-4 for
                 * SSA.
                 */
                break;
        case SCSI_PROTO_1394: {
                struct scsi_transportid_1394 *sbp;
                uint64_t eui64;

                sbp = (struct scsi_transportid_1394 *)hdr;

                eui64 = scsi_8btou64(sbp->eui64);
                sbuf_printf(sb, "SBP address: 0x%.16jx", (uintmax_t)eui64);
                break;
        }
        case SCSI_PROTO_RDMA: {
                struct scsi_transportid_rdma *rdma;
                unsigned int i;

                rdma = (struct scsi_transportid_rdma *)hdr;

                sbuf_cat(sb, "RDMA address: 0x");
                for (i = 0; i < sizeof(rdma->initiator_port_id); i++)
                        sbuf_printf(sb, "%02x", rdma->initiator_port_id[i]);
                break;
        }
        case SCSI_PROTO_ISCSI: {
                uint32_t add_len, i;
                uint8_t *iscsi_name = NULL;
                int nul_found = 0;

                sbuf_cat(sb, "iSCSI address: ");
                if ((hdr->format_protocol & SCSI_TRN_FORMAT_MASK) ==
                    SCSI_TRN_ISCSI_FORMAT_DEVICE) {
                        struct scsi_transportid_iscsi_device *dev;

                        dev = (struct scsi_transportid_iscsi_device *)hdr;

                        /*
                         * Verify how much additional data we really have.
                         */
                        add_len = scsi_2btoul(dev->additional_length);
                        add_len = MIN(add_len, valid_len -
                                __offsetof(struct scsi_transportid_iscsi_device,
                                           iscsi_name));
                        iscsi_name = &dev->iscsi_name[0];

                } else if ((hdr->format_protocol & SCSI_TRN_FORMAT_MASK) ==
                            SCSI_TRN_ISCSI_FORMAT_PORT) {
                        struct scsi_transportid_iscsi_port *port;

                        port = (struct scsi_transportid_iscsi_port *)hdr;

                        add_len = scsi_2btoul(port->additional_length);
                        add_len = MIN(add_len, valid_len -
                                __offsetof(struct scsi_transportid_iscsi_port,
                                           iscsi_name));
                        iscsi_name = &port->iscsi_name[0];
                } else {
                        sbuf_printf(sb, "unknown format %x",
                                    (hdr->format_protocol &
                                     SCSI_TRN_FORMAT_MASK) >>
                                     SCSI_TRN_FORMAT_SHIFT);
                        break;
                }
                if (add_len == 0) {
                        sbuf_cat(sb, "not enough data");
                        break;
                }
                /*
                 * This is supposed to be a NUL-terminated ASCII
                 * string, but you never know.  So we're going to
                 * check.  We need to do this because there is no
                 * sbuf equivalent of strncat().
                 */
                for (i = 0; i < add_len; i++) {
                        if (iscsi_name[i] == '\0') {
                                nul_found = 1;
                                break;
                        }
                }
                /*
                 * If there is a NUL in the name, we can just use
                 * sbuf_cat().  Otherwise we need to use sbuf_bcat().
                 */
                if (nul_found != 0)
                        sbuf_cat(sb, iscsi_name);
                else
                        sbuf_bcat(sb, iscsi_name, add_len);
                break;
        }
        case SCSI_PROTO_SAS: {
                struct scsi_transportid_sas *sas;
                uint64_t sas_addr;

                sas = (struct scsi_transportid_sas *)hdr;

                sas_addr = scsi_8btou64(sas->sas_address);
                sbuf_printf(sb, "SAS address: 0x%.16jx", (uintmax_t)sas_addr);
                break;
        }
        case SCSI_PROTO_ADITP:
        case SCSI_PROTO_ATA:
        case SCSI_PROTO_UAS:
                /*
                 * No Transport ID format for ADI, ATA or USB is defined in
                 * SPC-4.
                 */
                sbuf_printf(sb, "No known Transport ID format for protocol "
                            "%#x", hdr->format_protocol & SCSI_TRN_PROTO_MASK);
                break;
        case SCSI_PROTO_SOP: {
                struct scsi_transportid_sop *sop;
                struct scsi_sop_routing_id_norm *rid;

                sop = (struct scsi_transportid_sop *)hdr;
                rid = (struct scsi_sop_routing_id_norm *)sop->routing_id;

                /*
                 * Note that there is no alternate format specified in SPC-4
                 * for the PCIe routing ID, so we don't really have a way
                 * to know whether the second byte of the routing ID is
                 * a device and function or just a function.  So we just
                 * assume bus,device,function.
                 */
                sbuf_printf(sb, "SOP Routing ID: %u,%u,%u",
                            rid->bus, rid->devfunc >> SCSI_TRN_SOP_DEV_SHIFT,
                            rid->devfunc & SCSI_TRN_SOP_FUNC_NORM_MAX);
                break;
        }
        case SCSI_PROTO_NONE:
        default:
                sbuf_printf(sb, "Unknown protocol %#x",
                            hdr->format_protocol & SCSI_TRN_PROTO_MASK);
                break;
        }

        return (0);
}

struct scsi_nv scsi_proto_map[] = {
        { "fcp", SCSI_PROTO_FC },
        { "spi", SCSI_PROTO_SPI },
        { "ssa", SCSI_PROTO_SSA },
        { "sbp", SCSI_PROTO_1394 },
        { "1394", SCSI_PROTO_1394 },
        { "srp", SCSI_PROTO_RDMA },
        { "rdma", SCSI_PROTO_RDMA },
        { "iscsi", SCSI_PROTO_ISCSI },
        { "iqn", SCSI_PROTO_ISCSI },
        { "sas", SCSI_PROTO_SAS },
        { "aditp", SCSI_PROTO_ADITP },
        { "ata", SCSI_PROTO_ATA },
        { "uas", SCSI_PROTO_UAS },
        { "usb", SCSI_PROTO_UAS },
        { "sop", SCSI_PROTO_SOP }
};

const char *
scsi_nv_to_str(struct scsi_nv *table, int num_table_entries, uint64_t value)
{
        int i;

        for (i = 0; i < num_table_entries; i++) {
                if (table[i].value == value)
                        return (table[i].name);
        }

        return (NULL);
}

/*
 * Given a name/value table, find a value matching the given name.
 * Return values:
 *      SCSI_NV_FOUND - match found
 *      SCSI_NV_AMBIGUOUS - more than one match, none of them exact
 *      SCSI_NV_NOT_FOUND - no match found
 */
scsi_nv_status
scsi_get_nv(struct scsi_nv *table, int num_table_entries,
            char *name, int *table_entry, scsi_nv_flags flags)
{
        int i, num_matches = 0;

        for (i = 0; i < num_table_entries; i++) {
                size_t table_len, name_len;

                table_len = strlen(table[i].name);
                name_len = strlen(name);

                if ((((flags & SCSI_NV_FLAG_IG_CASE) != 0)
                  && (strncasecmp(table[i].name, name, name_len) == 0))
                || (((flags & SCSI_NV_FLAG_IG_CASE) == 0)
                 && (strncmp(table[i].name, name, name_len) == 0))) {
                        *table_entry = i;

                        /*
                         * Check for an exact match.  If we have the same
                         * number of characters in the table as the argument,
                         * and we already know they're the same, we have
                         * an exact match.
                         */
                        if (table_len == name_len)
                                return (SCSI_NV_FOUND);

                        /*
                         * Otherwise, bump up the number of matches.  We'll
                         * see later how many we have.
                         */
                        num_matches++;
                }
        }

        if (num_matches > 1)
                return (SCSI_NV_AMBIGUOUS);
        else if (num_matches == 1)
                return (SCSI_NV_FOUND);
        else
                return (SCSI_NV_NOT_FOUND);
}

/*
 * Parse transport IDs for Fibre Channel, 1394 and SAS.  Since these are
 * all 64-bit numbers, the code is similar.
 */
int
scsi_parse_transportid_64bit(int proto_id, char *id_str,
                             struct scsi_transportid_header **hdr,
                             unsigned int *alloc_len,
#ifdef _KERNEL
                             struct malloc_type *type, int flags,
#endif
                             char *error_str, int error_str_len)
{
        uint64_t value;
        char *endptr;
        int retval;
        size_t alloc_size;

        retval = 0;

        value = strtouq(id_str, &endptr, 0);
        if (*endptr != '\0') {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: error "
                                 "parsing ID %s, 64-bit number required",
                                 __func__, id_str);
                }
                retval = 1;
                goto bailout;
        }

        switch (proto_id) {
        case SCSI_PROTO_FC:
                alloc_size = sizeof(struct scsi_transportid_fcp);
                break;
        case SCSI_PROTO_1394:
                alloc_size = sizeof(struct scsi_transportid_1394);
                break;
        case SCSI_PROTO_SAS:
                alloc_size = sizeof(struct scsi_transportid_sas);
                break;
        default:
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: unsupported "
                                 "protocol %d", __func__, proto_id);
                }
                retval = 1;
                goto bailout;
                break; /* NOTREACHED */
        }
#ifdef _KERNEL
        *hdr = malloc(alloc_size, type, flags);
#else /* _KERNEL */
        *hdr = malloc(alloc_size);
#endif /*_KERNEL */
        if (*hdr == NULL) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: unable to "
                                 "allocate %zu bytes", __func__, alloc_size);
                }
                retval = 1;
                goto bailout;
        }

        *alloc_len = alloc_size;

        bzero(*hdr, alloc_size);

        switch (proto_id) {
        case SCSI_PROTO_FC: {
                struct scsi_transportid_fcp *fcp;

                fcp = (struct scsi_transportid_fcp *)(*hdr);
                fcp->format_protocol = SCSI_PROTO_FC |
                                       SCSI_TRN_FCP_FORMAT_DEFAULT;
                scsi_u64to8b(value, fcp->n_port_name);
                break;
        }
        case SCSI_PROTO_1394: {
                struct scsi_transportid_1394 *sbp;

                sbp = (struct scsi_transportid_1394 *)(*hdr);
                sbp->format_protocol = SCSI_PROTO_1394 |
                                       SCSI_TRN_1394_FORMAT_DEFAULT;
                scsi_u64to8b(value, sbp->eui64);
                break;
        }
        case SCSI_PROTO_SAS: {
                struct scsi_transportid_sas *sas;

                sas = (struct scsi_transportid_sas *)(*hdr);
                sas->format_protocol = SCSI_PROTO_SAS |
                                       SCSI_TRN_SAS_FORMAT_DEFAULT;
                scsi_u64to8b(value, sas->sas_address);
                break;
        }
        default:
                break;
        }
bailout:
        return (retval);
}

/*
 * Parse a SPI (Parallel SCSI) address of the form: id,rel_tgt_port
 */
int
scsi_parse_transportid_spi(char *id_str, struct scsi_transportid_header **hdr,
                           unsigned int *alloc_len,
#ifdef _KERNEL
                           struct malloc_type *type, int flags,
#endif
                           char *error_str, int error_str_len)
{
        unsigned long scsi_addr, target_port;
        struct scsi_transportid_spi *spi;
        char *tmpstr, *endptr;
        int retval;

        retval = 0;

        tmpstr = strsep(&id_str, ",");
        if (tmpstr == NULL) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len,
                                 "%s: no ID found", __func__);
                }
                retval = 1;
                goto bailout;
        }
        scsi_addr = strtoul(tmpstr, &endptr, 0);
        if (*endptr != '\0') {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: error "
                                 "parsing SCSI ID %s, number required",
                                 __func__, tmpstr);
                }
                retval = 1;
                goto bailout;
        }

        if (id_str == NULL) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: no relative "
                                 "target port found", __func__);
                }
                retval = 1;
                goto bailout;
        }

        target_port = strtoul(id_str, &endptr, 0);
        if (*endptr != '\0') {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: error "
                                 "parsing relative target port %s, number "
                                 "required", __func__, id_str);
                }
                retval = 1;
                goto bailout;
        }
#ifdef _KERNEL
        spi = malloc(sizeof(*spi), type, flags);
#else
        spi = malloc(sizeof(*spi));
#endif
        if (spi == NULL) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: unable to "
                                 "allocate %zu bytes", __func__,
                                 sizeof(*spi));
                }
                retval = 1;
                goto bailout;
        }
        *alloc_len = sizeof(*spi);
        bzero(spi, sizeof(*spi));

        spi->format_protocol = SCSI_PROTO_SPI | SCSI_TRN_SPI_FORMAT_DEFAULT;
        scsi_ulto2b(scsi_addr, spi->scsi_addr);
        scsi_ulto2b(target_port, spi->rel_trgt_port_id);

        *hdr = (struct scsi_transportid_header *)spi;
bailout:
        return (retval);
}

/*
 * Parse an RDMA/SRP Initiator Port ID string.  This is 32 hexadecimal digits,
 * optionally prefixed by "0x" or "0X".
 */
int
scsi_parse_transportid_rdma(char *id_str, struct scsi_transportid_header **hdr,
                            unsigned int *alloc_len,
#ifdef _KERNEL
                            struct malloc_type *type, int flags,
#endif
                            char *error_str, int error_str_len)
{
        struct scsi_transportid_rdma *rdma;
        int retval;
        size_t id_len, rdma_id_size;
        uint8_t rdma_id[SCSI_TRN_RDMA_PORT_LEN];
        char *tmpstr;
        unsigned int i, j;

        retval = 0;
        id_len = strlen(id_str);
        rdma_id_size = SCSI_TRN_RDMA_PORT_LEN;

        /*
         * Check the size.  It needs to be either 32 or 34 characters long.
         */
        if ((id_len != (rdma_id_size * 2))
         && (id_len != ((rdma_id_size * 2) + 2))) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: RDMA ID "
                                 "must be 32 hex digits (0x prefix "
                                 "optional), only %zu seen", __func__, id_len);
                }
                retval = 1;
                goto bailout;
        }

        tmpstr = id_str;
        /*
         * If the user gave us 34 characters, the string needs to start
         * with '0x'.
         */
        if (id_len == ((rdma_id_size * 2) + 2)) {
                if ((tmpstr[0] == '0')
                 && ((tmpstr[1] == 'x') || (tmpstr[1] == 'X'))) {
                        tmpstr += 2;
                } else {
                        if (error_str != NULL) {
                                snprintf(error_str, error_str_len, "%s: RDMA "
                                         "ID prefix, if used, must be \"0x\", "
                                         "got %s", __func__, tmpstr);
                        }
                        retval = 1;
                        goto bailout;
                }
        }
        bzero(rdma_id, sizeof(rdma_id));

        /*
         * Convert ASCII hex into binary bytes.  There is no standard
         * 128-bit integer type, and so no strtou128t() routine to convert
         * from hex into a large integer.  In the end, we're not going to
         * an integer, but rather to a byte array, so that and the fact
         * that we require the user to give us 32 hex digits simplifies the
         * logic.
         */
        for (i = 0; i < (rdma_id_size * 2); i++) {
                int cur_shift;
                unsigned char c;

                /* Increment the byte array one for every 2 hex digits */
                j = i >> 1;

                /*
                 * The first digit in every pair is the most significant
                 * 4 bits.  The second is the least significant 4 bits.
                 */
                if ((i % 2) == 0)
                        cur_shift = 4;
                else
                        cur_shift = 0;

                c = tmpstr[i];
                /* Convert the ASCII hex character into a number */
                if (isdigit(c))
                        c -= '0';
                else if (isalpha(c))
                        c -= isupper(c) ? 'A' - 10 : 'a' - 10;
                else {
                        if (error_str != NULL) {
                                snprintf(error_str, error_str_len, "%s: "
                                         "RDMA ID must be hex digits, got "
                                         "invalid character %c", __func__,
                                         tmpstr[i]);
                        }
                        retval = 1;
                        goto bailout;
                }
                /*
                 * The converted number can't be less than 0; the type is
                 * unsigned, and the subtraction logic will not give us
                 * a negative number.  So we only need to make sure that
                 * the value is not greater than 0xf.  (i.e. make sure the
                 * user didn't give us a value like "0x12jklmno").
                 */
                if (c > 0xf) {
                        if (error_str != NULL) {
                                snprintf(error_str, error_str_len, "%s: "
                                         "RDMA ID must be hex digits, got "
                                         "invalid character %c", __func__,
                                         tmpstr[i]);
                        }
                        retval = 1;
                        goto bailout;
                }

                rdma_id[j] |= c << cur_shift;
        }

#ifdef _KERNEL
        rdma = malloc(sizeof(*rdma), type, flags);
#else
        rdma = malloc(sizeof(*rdma));
#endif
        if (rdma == NULL) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: unable to "
                                 "allocate %zu bytes", __func__,
                                 sizeof(*rdma));
                }
                retval = 1;
                goto bailout;
        }
        *alloc_len = sizeof(*rdma);
        bzero(rdma, *alloc_len);

        rdma->format_protocol = SCSI_PROTO_RDMA | SCSI_TRN_RDMA_FORMAT_DEFAULT;
        bcopy(rdma_id, rdma->initiator_port_id, SCSI_TRN_RDMA_PORT_LEN);

        *hdr = (struct scsi_transportid_header *)rdma;

bailout:
        return (retval);
}

/*
 * Parse an iSCSI name.  The format is either just the name:
 *
 *      iqn.2012-06.com.example:target0
 * or the name, separator and initiator session ID:
 *
 *      iqn.2012-06.com.example:target0,i,0x123
 *
 * The separator format is exact.
 */
int
scsi_parse_transportid_iscsi(char *id_str, struct scsi_transportid_header **hdr,
                             unsigned int *alloc_len,
#ifdef _KERNEL
                             struct malloc_type *type, int flags,
#endif
                             char *error_str, int error_str_len)
{
        size_t id_len, sep_len, id_size, name_len;
        int retval;
        unsigned int i, sep_pos, sep_found;
        const char *sep_template = ",i,0x";
        const char *iqn_prefix = "iqn.";
        struct scsi_transportid_iscsi_device *iscsi;

        retval = 0;
        sep_found = 0;

        id_len = strlen(id_str);
        sep_len = strlen(sep_template);

        /*
         * The separator is defined as exactly ',i,0x'.  Any other commas,
         * or any other form, is an error.  So look for a comma, and once
         * we find that, the next few characters must match the separator
         * exactly.  Once we get through the separator, there should be at
         * least one character.
         */
        for (i = 0, sep_pos = 0; i < id_len; i++) {
                if (sep_pos == 0) {
                        if (id_str[i] == sep_template[sep_pos])
                                sep_pos++;

                        continue;
                }
                if (sep_pos < sep_len) {
                        if (id_str[i] == sep_template[sep_pos]) {
                                sep_pos++;
                                continue;
                        }
                        if (error_str != NULL) {
                                snprintf(error_str, error_str_len, "%s: "
                                         "invalid separator in iSCSI name "
                                         "\"%s\"",
                                         __func__, id_str);
                        }
                        retval = 1;
                        goto bailout;
                } else {
                        sep_found = 1;
                        break;
                }
        }

        /*
         * Check to see whether we have a separator but no digits after it.
         */
        if ((sep_pos != 0)
         && (sep_found == 0)) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: no digits "
                                 "found after separator in iSCSI name \"%s\"",
                                 __func__, id_str);
                }
                retval = 1;
                goto bailout;
        }

        /*
         * The incoming ID string has the "iqn." prefix stripped off.  We
         * need enough space for the base structure (the structures are the
         * same for the two iSCSI forms), the prefix, the ID string and a
         * terminating NUL.
         */
        id_size = sizeof(*iscsi) + strlen(iqn_prefix) + id_len + 1;

#ifdef _KERNEL
        iscsi = malloc(id_size, type, flags);
#else
        iscsi = malloc(id_size);
#endif
        if (iscsi == NULL) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: unable to "
                                 "allocate %zu bytes", __func__, id_size);
                }
                retval = 1;
                goto bailout;
        }
        *alloc_len = id_size;
        bzero(iscsi, id_size);

        iscsi->format_protocol = SCSI_PROTO_ISCSI;
        if (sep_found == 0)
                iscsi->format_protocol |= SCSI_TRN_ISCSI_FORMAT_DEVICE;
        else
                iscsi->format_protocol |= SCSI_TRN_ISCSI_FORMAT_PORT;
        name_len = id_size - sizeof(*iscsi);
        scsi_ulto2b(name_len, iscsi->additional_length);
        snprintf(iscsi->iscsi_name, name_len, "%s%s", iqn_prefix, id_str);

        *hdr = (struct scsi_transportid_header *)iscsi;

bailout:
        return (retval);
}

/*
 * Parse a SCSI over PCIe (SOP) identifier.  The Routing ID can either be
 * of the form 'bus,device,function' or 'bus,function'.
 */
int
scsi_parse_transportid_sop(char *id_str, struct scsi_transportid_header **hdr,
                           unsigned int *alloc_len,
#ifdef _KERNEL
                           struct malloc_type *type, int flags,
#endif
                           char *error_str, int error_str_len)
{
        struct scsi_transportid_sop *sop;
        unsigned long bus, device, function;
        char *tmpstr, *endptr;
        int retval, device_spec;

        retval = 0;
        device_spec = 0;
        device = 0;

        tmpstr = strsep(&id_str, ",");
        if ((tmpstr == NULL)
         || (*tmpstr == '\0')) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: no ID found",
                                 __func__);
                }
                retval = 1;
                goto bailout;
        }
        bus = strtoul(tmpstr, &endptr, 0);
        if (*endptr != '\0') {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: error "
                                 "parsing PCIe bus %s, number required",
                                 __func__, tmpstr);
                }
                retval = 1;
                goto bailout;
        }
        if ((id_str == NULL)
         || (*id_str == '\0')) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: no PCIe "
                                 "device or function found", __func__);
                }
                retval = 1;
                goto bailout;
        }
        tmpstr = strsep(&id_str, ",");
        function = strtoul(tmpstr, &endptr, 0);
        if (*endptr != '\0') {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: error "
                                 "parsing PCIe device/function %s, number "
                                 "required", __func__, tmpstr);
                }
                retval = 1;
                goto bailout;
        }
        /*
         * Check to see whether the user specified a third value.  If so,
         * the second is the device.
         */
        if (id_str != NULL) {
                if (*id_str == '\0') {
                        if (error_str != NULL) {
                                snprintf(error_str, error_str_len, "%s: "
                                         "no PCIe function found", __func__);
                        }
                        retval = 1;
                        goto bailout;
                }
                device = function;
                device_spec = 1;
                function = strtoul(id_str, &endptr, 0);
                if (*endptr != '\0') {
                        if (error_str != NULL) {
                                snprintf(error_str, error_str_len, "%s: "
                                         "error parsing PCIe function %s, "
                                         "number required", __func__, id_str);
                        }
                        retval = 1;
                        goto bailout;
                }
        }
        if (bus > SCSI_TRN_SOP_BUS_MAX) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: bus value "
                                 "%lu greater than maximum %u", __func__,
                                 bus, SCSI_TRN_SOP_BUS_MAX);
                }
                retval = 1;
                goto bailout;
        }

        if ((device_spec != 0)
         && (device > SCSI_TRN_SOP_DEV_MASK)) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: device value "
                                 "%lu greater than maximum %u", __func__,
                                 device, SCSI_TRN_SOP_DEV_MAX);
                }
                retval = 1;
                goto bailout;
        }

        if (((device_spec != 0)
          && (function > SCSI_TRN_SOP_FUNC_NORM_MAX))
         || ((device_spec == 0)
          && (function > SCSI_TRN_SOP_FUNC_ALT_MAX))) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: function value "
                                 "%lu greater than maximum %u", __func__,
                                 function, (device_spec == 0) ?
                                 SCSI_TRN_SOP_FUNC_ALT_MAX :
                                 SCSI_TRN_SOP_FUNC_NORM_MAX);
                }
                retval = 1;
                goto bailout;
        }

#ifdef _KERNEL
        sop = malloc(sizeof(*sop), type, flags);
#else
        sop = malloc(sizeof(*sop));
#endif
        if (sop == NULL) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: unable to "
                                 "allocate %zu bytes", __func__, sizeof(*sop));
                }
                retval = 1;
                goto bailout;
        }
        *alloc_len = sizeof(*sop);
        bzero(sop, sizeof(*sop));
        sop->format_protocol = SCSI_PROTO_SOP | SCSI_TRN_SOP_FORMAT_DEFAULT;
        if (device_spec != 0) {
                struct scsi_sop_routing_id_norm rid;

                rid.bus = bus;
                rid.devfunc = (device << SCSI_TRN_SOP_DEV_SHIFT) | function;
                bcopy(&rid, sop->routing_id, MIN(sizeof(rid),
                      sizeof(sop->routing_id)));
        } else {
                struct scsi_sop_routing_id_alt rid;

                rid.bus = bus;
                rid.function = function;
                bcopy(&rid, sop->routing_id, MIN(sizeof(rid),
                      sizeof(sop->routing_id)));
        }

        *hdr = (struct scsi_transportid_header *)sop;
bailout:
        return (retval);
}

/*
 * transportid_str: NUL-terminated string with format: protcol,id
 *                  The ID is protocol specific.
 * hdr:             Storage will be allocated for the transport ID.
 * alloc_len:       The amount of memory allocated is returned here.
 * type:            Malloc bucket (kernel only).
 * flags:           Malloc flags (kernel only).
 * error_str:       If non-NULL, it will contain error information (without
 *                  a terminating newline) if an error is returned.
 * error_str_len:   Allocated length of the error string.
 *
 * Returns 0 for success, non-zero for failure.
 */
int
scsi_parse_transportid(char *transportid_str,
                       struct scsi_transportid_header **hdr,
                       unsigned int *alloc_len,
#ifdef _KERNEL
                       struct malloc_type *type, int flags,
#endif
                       char *error_str, int error_str_len)
{
        char *tmpstr;
        scsi_nv_status status;
        u_int num_proto_entries;
        int retval, table_entry;

        retval = 0;
        table_entry = 0;

        /*
         * We do allow a period as well as a comma to separate the protocol
         * from the ID string.  This is to accommodate iSCSI names, which
         * start with "iqn.".
         */
        tmpstr = strsep(&transportid_str, ",.");
        if (tmpstr == NULL) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len,
                                 "%s: transportid_str is NULL", __func__);
                }
                retval = 1;
                goto bailout;
        }

        num_proto_entries = nitems(scsi_proto_map);
        status = scsi_get_nv(scsi_proto_map, num_proto_entries, tmpstr,
                             &table_entry, SCSI_NV_FLAG_IG_CASE);
        if (status != SCSI_NV_FOUND) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: %s protocol "
                                 "name %s", __func__,
                                 (status == SCSI_NV_AMBIGUOUS) ? "ambiguous" :
                                 "invalid", tmpstr);
                }
                retval = 1;
                goto bailout;
        }
        switch (scsi_proto_map[table_entry].value) {
        case SCSI_PROTO_FC:
        case SCSI_PROTO_1394:
        case SCSI_PROTO_SAS:
                retval = scsi_parse_transportid_64bit(
                    scsi_proto_map[table_entry].value, transportid_str, hdr,
                    alloc_len,
#ifdef _KERNEL
                    type, flags,
#endif
                    error_str, error_str_len);
                break;
        case SCSI_PROTO_SPI:
                retval = scsi_parse_transportid_spi(transportid_str, hdr,
                    alloc_len,
#ifdef _KERNEL
                    type, flags,
#endif
                    error_str, error_str_len);
                break;
        case SCSI_PROTO_RDMA:
                retval = scsi_parse_transportid_rdma(transportid_str, hdr,
                    alloc_len,
#ifdef _KERNEL
                    type, flags,
#endif
                    error_str, error_str_len);
                break;
        case SCSI_PROTO_ISCSI:
                retval = scsi_parse_transportid_iscsi(transportid_str, hdr,
                    alloc_len,
#ifdef _KERNEL
                    type, flags,
#endif
                    error_str, error_str_len);
                break;
        case SCSI_PROTO_SOP:
                retval = scsi_parse_transportid_sop(transportid_str, hdr,
                    alloc_len,
#ifdef _KERNEL
                    type, flags,
#endif
                    error_str, error_str_len);
                break;
        case SCSI_PROTO_SSA:
        case SCSI_PROTO_ADITP:
        case SCSI_PROTO_ATA:
        case SCSI_PROTO_UAS:
        case SCSI_PROTO_NONE:
        default:
                /*
                 * There is no format defined for a Transport ID for these
                 * protocols.  So even if the user gives us something, we
                 * have no way to turn it into a standard SCSI Transport ID.
                 */
                retval = 1;
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "%s: no Transport "
                                 "ID format exists for protocol %s",
                                 __func__, tmpstr);
                }
                goto bailout;
                break;  /* NOTREACHED */
        }
bailout:
        return (retval);
}

struct scsi_attrib_table_entry scsi_mam_attr_table[] = {
        { SMA_ATTR_REM_CAP_PARTITION, SCSI_ATTR_FLAG_NONE,
          "Remaining Capacity in Partition",
          /*suffix*/ "MB", /*to_str*/ scsi_attrib_int_sbuf,/*parse_str*/ NULL },
        { SMA_ATTR_MAX_CAP_PARTITION, SCSI_ATTR_FLAG_NONE,
          "Maximum Capacity in Partition",
          /*suffix*/"MB", /*to_str*/ scsi_attrib_int_sbuf, /*parse_str*/ NULL },
        { SMA_ATTR_TAPEALERT_FLAGS, SCSI_ATTR_FLAG_HEX,
          "TapeAlert Flags",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf, /*parse_str*/ NULL },
        { SMA_ATTR_LOAD_COUNT, SCSI_ATTR_FLAG_NONE,
          "Load Count",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf, /*parse_str*/ NULL },
        { SMA_ATTR_MAM_SPACE_REMAINING, SCSI_ATTR_FLAG_NONE,
          "MAM Space Remaining",
          /*suffix*/"bytes", /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_DEV_ASSIGNING_ORG, SCSI_ATTR_FLAG_NONE,
          "Assigning Organization",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_FORMAT_DENSITY_CODE, SCSI_ATTR_FLAG_HEX,
          "Format Density Code",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf, /*parse_str*/ NULL },
        { SMA_ATTR_INITIALIZATION_COUNT, SCSI_ATTR_FLAG_NONE,
          "Initialization Count",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf, /*parse_str*/ NULL },
        { SMA_ATTR_VOLUME_ID, SCSI_ATTR_FLAG_NONE,
          "Volume Identifier",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_VOLUME_CHANGE_REF, SCSI_ATTR_FLAG_HEX,
          "Volume Change Reference",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_DEV_SERIAL_LAST_LOAD, SCSI_ATTR_FLAG_NONE,
          "Device Vendor/Serial at Last Load",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_vendser_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_DEV_SERIAL_LAST_LOAD_1, SCSI_ATTR_FLAG_NONE,
          "Device Vendor/Serial at Last Load - 1",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_vendser_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_DEV_SERIAL_LAST_LOAD_2, SCSI_ATTR_FLAG_NONE,
          "Device Vendor/Serial at Last Load - 2",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_vendser_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_DEV_SERIAL_LAST_LOAD_3, SCSI_ATTR_FLAG_NONE,
          "Device Vendor/Serial at Last Load - 3",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_vendser_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_TOTAL_MB_WRITTEN_LT, SCSI_ATTR_FLAG_NONE,
          "Total MB Written in Medium Life",
          /*suffix*/ "MB", /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_TOTAL_MB_READ_LT, SCSI_ATTR_FLAG_NONE,
          "Total MB Read in Medium Life",
          /*suffix*/ "MB", /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_TOTAL_MB_WRITTEN_CUR, SCSI_ATTR_FLAG_NONE,
          "Total MB Written in Current/Last Load",
          /*suffix*/ "MB", /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_TOTAL_MB_READ_CUR, SCSI_ATTR_FLAG_NONE,
          "Total MB Read in Current/Last Load",
          /*suffix*/ "MB", /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_FIRST_ENC_BLOCK, SCSI_ATTR_FLAG_NONE,
          "Logical Position of First Encrypted Block",
          /*suffix*/ NULL, /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_NEXT_UNENC_BLOCK, SCSI_ATTR_FLAG_NONE,
          "Logical Position of First Unencrypted Block after First "
          "Encrypted Block",
          /*suffix*/ NULL, /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MEDIUM_USAGE_HIST, SCSI_ATTR_FLAG_NONE,
          "Medium Usage History",
          /*suffix*/ NULL, /*to_str*/ NULL,
          /*parse_str*/ NULL },
        { SMA_ATTR_PART_USAGE_HIST, SCSI_ATTR_FLAG_NONE,
          "Partition Usage History",
          /*suffix*/ NULL, /*to_str*/ NULL,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_MANUF, SCSI_ATTR_FLAG_NONE,
          "Medium Manufacturer",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_SERIAL, SCSI_ATTR_FLAG_NONE,
          "Medium Serial Number",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_LENGTH, SCSI_ATTR_FLAG_NONE,
          "Medium Length",
          /*suffix*/"m", /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_WIDTH, SCSI_ATTR_FLAG_FP | SCSI_ATTR_FLAG_DIV_10 |
          SCSI_ATTR_FLAG_FP_1DIGIT,
          "Medium Width",
          /*suffix*/"mm", /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_ASSIGNING_ORG, SCSI_ATTR_FLAG_NONE,
          "Assigning Organization",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_DENSITY_CODE, SCSI_ATTR_FLAG_HEX,
          "Medium Density Code",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_MANUF_DATE, SCSI_ATTR_FLAG_NONE,
          "Medium Manufacture Date",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MAM_CAPACITY, SCSI_ATTR_FLAG_NONE,
          "MAM Capacity",
          /*suffix*/"bytes", /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_TYPE, SCSI_ATTR_FLAG_HEX,
          "Medium Type",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_TYPE_INFO, SCSI_ATTR_FLAG_HEX,
          "Medium Type Information",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MED_SERIAL_NUM, SCSI_ATTR_FLAG_NONE,
          "Medium Serial Number",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_APP_VENDOR, SCSI_ATTR_FLAG_NONE,
          "Application Vendor",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_APP_NAME, SCSI_ATTR_FLAG_NONE,
          "Application Name",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_APP_VERSION, SCSI_ATTR_FLAG_NONE,
          "Application Version",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_USER_MED_TEXT_LABEL, SCSI_ATTR_FLAG_NONE,
          "User Medium Text Label",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_text_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_LAST_WRITTEN_TIME, SCSI_ATTR_FLAG_NONE,
          "Date and Time Last Written",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_TEXT_LOCAL_ID, SCSI_ATTR_FLAG_HEX,
          "Text Localization Identifier",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_BARCODE, SCSI_ATTR_FLAG_NONE,
          "Barcode",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_HOST_OWNER_NAME, SCSI_ATTR_FLAG_NONE,
          "Owning Host Textual Name",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_text_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_MEDIA_POOL, SCSI_ATTR_FLAG_NONE,
          "Media Pool",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_text_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_PART_USER_LABEL, SCSI_ATTR_FLAG_NONE,
          "Partition User Text Label",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_LOAD_UNLOAD_AT_PART, SCSI_ATTR_FLAG_NONE,
          "Load/Unload at Partition",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_int_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_APP_FORMAT_VERSION, SCSI_ATTR_FLAG_NONE,
          "Application Format Version",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_ascii_sbuf,
          /*parse_str*/ NULL },
        { SMA_ATTR_VOL_COHERENCY_INFO, SCSI_ATTR_FLAG_NONE,
          "Volume Coherency Information",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_volcoh_sbuf,
          /*parse_str*/ NULL },
        { 0x0ff1, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM Creation",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x0ff2, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM C3",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x0ff3, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM RW",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x0ff4, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM SDC List",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x0ff7, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM Post Scan",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x0ffe, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM Checksum",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x17f1, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM Creation",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x17f2, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM C3",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x17f3, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM RW",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x17f4, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM SDC List",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x17f7, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM Post Scan",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
        { 0x17ff, SCSI_ATTR_FLAG_NONE,
          "Spectra MLM Checksum",
          /*suffix*/NULL, /*to_str*/ scsi_attrib_hexdump_sbuf,
          /*parse_str*/ NULL },
};

/*
 * Print out Volume Coherency Information (Attribute 0x080c).
 * This field has two variable length members, including one at the
 * beginning, so it isn't practical to have a fixed structure definition.
 * This is current as of SSC4r03 (see section 4.2.21.3), dated March 25,
 * 2013.
 */
int
scsi_attrib_volcoh_sbuf(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                         uint32_t valid_len, uint32_t flags,
                         uint32_t output_flags, char *error_str,
                         int error_str_len)
{
        size_t avail_len;
        uint32_t field_size;
        uint64_t tmp_val;
        uint8_t *cur_ptr;
        int retval;
        int vcr_len, as_len;

        retval = 0;
        tmp_val = 0;

        field_size = scsi_2btoul(hdr->length);
        avail_len = valid_len - sizeof(*hdr);
        if (field_size > avail_len) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "Available "
                                 "length of attribute ID 0x%.4x %zu < field "
                                 "length %u", scsi_2btoul(hdr->id), avail_len,
                                 field_size);
                }
                retval = 1;
                goto bailout;
        } else if (field_size == 0) {
                /*
                 * It isn't clear from the spec whether a field length of
                 * 0 is invalid here.  It probably is, but be lenient here
                 * to avoid inconveniencing the user.
                 */
                goto bailout;
        }
        cur_ptr = hdr->attribute;
        vcr_len = *cur_ptr;
        cur_ptr++;

        sbuf_cat(sb, "\n\tVolume Change Reference Value:");

        switch (vcr_len) {
        case 0:
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "Volume Change "
                                 "Reference value has length of 0");
                }
                retval = 1;
                goto bailout;
                break; /*NOTREACHED*/
        case 1:
                tmp_val = *cur_ptr;
                break;
        case 2:
                tmp_val = scsi_2btoul(cur_ptr);
                break;
        case 3:
                tmp_val = scsi_3btoul(cur_ptr);
                break;
        case 4:
                tmp_val = scsi_4btoul(cur_ptr);
                break;
        case 8:
                tmp_val = scsi_8btou64(cur_ptr);
                break;
        default:
                sbuf_putc(sb, '\n');
                sbuf_hexdump(sb, cur_ptr, vcr_len, NULL, 0);
                break;
        }
        if (vcr_len <= 8)
                sbuf_printf(sb, " 0x%jx\n", (uintmax_t)tmp_val);

        cur_ptr += vcr_len;
        tmp_val = scsi_8btou64(cur_ptr);
        sbuf_printf(sb, "\tVolume Coherency Count: %ju\n", (uintmax_t)tmp_val);

        cur_ptr += sizeof(tmp_val);
        tmp_val = scsi_8btou64(cur_ptr);
        sbuf_printf(sb, "\tVolume Coherency Set Identifier: 0x%jx\n",
                    (uintmax_t)tmp_val);

        /*
         * Figure out how long the Application Client Specific Information
         * is and produce a hexdump.
         */
        cur_ptr += sizeof(tmp_val);
        as_len = scsi_2btoul(cur_ptr);
        cur_ptr += sizeof(uint16_t);
        sbuf_cat(sb, "\tApplication Client Specific Information: ");
        if (((as_len == SCSI_LTFS_VER0_LEN)
          || (as_len == SCSI_LTFS_VER1_LEN))
         && (strncmp(cur_ptr, SCSI_LTFS_STR_NAME, SCSI_LTFS_STR_LEN) == 0)) {
                sbuf_cat(sb, "LTFS\n");
                cur_ptr += SCSI_LTFS_STR_LEN + 1;
                if (cur_ptr[SCSI_LTFS_UUID_LEN] != '\0')
                        cur_ptr[SCSI_LTFS_UUID_LEN] = '\0';
                sbuf_printf(sb, "\tLTFS UUID: %s\n", cur_ptr);
                cur_ptr += SCSI_LTFS_UUID_LEN + 1;
                /* XXX KDM check the length */
                sbuf_printf(sb, "\tLTFS Version: %d\n", *cur_ptr);
        } else {
                sbuf_cat(sb, "Unknown\n");
                sbuf_hexdump(sb, cur_ptr, as_len, NULL, 0);
        }

bailout:
        return (retval);
}

int
scsi_attrib_vendser_sbuf(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                         uint32_t valid_len, uint32_t flags,
                         uint32_t output_flags, char *error_str,
                         int error_str_len)
{
        size_t avail_len;
        uint32_t field_size;
        struct scsi_attrib_vendser *vendser;
        cam_strvis_flags strvis_flags;
        int retval = 0;

        field_size = scsi_2btoul(hdr->length);
        avail_len = valid_len - sizeof(*hdr);
        if (field_size > avail_len) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "Available "
                                 "length of attribute ID 0x%.4x %zu < field "
                                 "length %u", scsi_2btoul(hdr->id), avail_len,
                                 field_size);
                }
                retval = 1;
                goto bailout;
        } else if (field_size == 0) {
                /*
                 * A field size of 0 doesn't make sense here.  The device
                 * can at least give you the vendor ID, even if it can't
                 * give you the serial number.
                 */
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "The length of "
                                 "attribute ID 0x%.4x is 0",
                                 scsi_2btoul(hdr->id));
                }
                retval = 1;
                goto bailout;
        }
        vendser = (struct scsi_attrib_vendser *)hdr->attribute;

        switch (output_flags & SCSI_ATTR_OUTPUT_NONASCII_MASK) {
        case SCSI_ATTR_OUTPUT_NONASCII_TRIM:
                strvis_flags = CAM_STRVIS_FLAG_NONASCII_TRIM;
                break;
        case SCSI_ATTR_OUTPUT_NONASCII_RAW:
                strvis_flags = CAM_STRVIS_FLAG_NONASCII_RAW;
                break;
        case SCSI_ATTR_OUTPUT_NONASCII_ESC:
        default:
                strvis_flags = CAM_STRVIS_FLAG_NONASCII_ESC;
                break;
        }
        cam_strvis_sbuf(sb, vendser->vendor, sizeof(vendser->vendor),
            strvis_flags);
        sbuf_putc(sb, ' ');
        cam_strvis_sbuf(sb, vendser->serial_num, sizeof(vendser->serial_num),
            strvis_flags);
bailout:
        return (retval);
}

int
scsi_attrib_hexdump_sbuf(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                         uint32_t valid_len, uint32_t flags,
                         uint32_t output_flags, char *error_str,
                         int error_str_len)
{
        uint32_t field_size;
        ssize_t avail_len;
        uint32_t print_len;
        uint8_t *num_ptr;
        int retval = 0;

        field_size = scsi_2btoul(hdr->length);
        avail_len = valid_len - sizeof(*hdr);
        print_len = MIN(avail_len, field_size);
        num_ptr = hdr->attribute;

        if (print_len > 0) {
                sbuf_putc(sb, '\n');
                sbuf_hexdump(sb, num_ptr, print_len, NULL, 0);
        }

        return (retval);
}

int
scsi_attrib_int_sbuf(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                     uint32_t valid_len, uint32_t flags,
                     uint32_t output_flags, char *error_str,
                     int error_str_len)
{
        uint64_t print_number;
        size_t avail_len;
        uint32_t number_size;
        int retval = 0;

        number_size = scsi_2btoul(hdr->length);

        avail_len = valid_len - sizeof(*hdr);
        if (avail_len < number_size) {
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "Available "
                                 "length of attribute ID 0x%.4x %zu < field "
                                 "length %u", scsi_2btoul(hdr->id), avail_len,
                                 number_size);
                }
                retval = 1;
                goto bailout;
        }

        switch (number_size) {
        case 0:
                /*
                 * We don't treat this as an error, since there may be
                 * scenarios where a device reports a field but then gives
                 * a length of 0.  See the note in scsi_attrib_ascii_sbuf().
                 */
                goto bailout;
                break; /*NOTREACHED*/
        case 1:
                print_number = hdr->attribute[0];
                break;
        case 2:
                print_number = scsi_2btoul(hdr->attribute);
                break;
        case 3:
                print_number = scsi_3btoul(hdr->attribute);
                break;
        case 4:
                print_number = scsi_4btoul(hdr->attribute);
                break;
        case 8:
                print_number = scsi_8btou64(hdr->attribute);
                break;
        default:
                /*
                 * If we wind up here, the number is too big to print
                 * normally, so just do a hexdump.
                 */
                retval = scsi_attrib_hexdump_sbuf(sb, hdr, valid_len,
                                                  flags, output_flags,
                                                  error_str, error_str_len);
                goto bailout;
                break;
        }

        if (flags & SCSI_ATTR_FLAG_FP) {
#ifndef _KERNEL
                long double num_float;

                num_float = (long double)print_number;

                if (flags & SCSI_ATTR_FLAG_DIV_10)
                        num_float /= 10;

                sbuf_printf(sb, "%.*Lf", (flags & SCSI_ATTR_FLAG_FP_1DIGIT) ?
                            1 : 0, num_float);
#else /* _KERNEL */
                sbuf_printf(sb, "%ju", (flags & SCSI_ATTR_FLAG_DIV_10) ?
                            (print_number / 10) : print_number);
#endif /* _KERNEL */
        } else if (flags & SCSI_ATTR_FLAG_HEX) {
                sbuf_printf(sb, "0x%jx", (uintmax_t)print_number);
        } else
                sbuf_printf(sb, "%ju", (uintmax_t)print_number);

bailout:
        return (retval);
}

int
scsi_attrib_ascii_sbuf(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                       uint32_t valid_len, uint32_t flags,
                       uint32_t output_flags, char *error_str,
                       int error_str_len)
{
        size_t avail_len;
        uint32_t field_size, print_size;
        int retval = 0;

        avail_len = valid_len - sizeof(*hdr);
        field_size = scsi_2btoul(hdr->length);
        print_size = MIN(avail_len, field_size);

        if (print_size > 0) {
                cam_strvis_flags strvis_flags;

                switch (output_flags & SCSI_ATTR_OUTPUT_NONASCII_MASK) {
                case SCSI_ATTR_OUTPUT_NONASCII_TRIM:
                        strvis_flags = CAM_STRVIS_FLAG_NONASCII_TRIM;
                        break;
                case SCSI_ATTR_OUTPUT_NONASCII_RAW:
                        strvis_flags = CAM_STRVIS_FLAG_NONASCII_RAW;
                        break;
                case SCSI_ATTR_OUTPUT_NONASCII_ESC:
                default:
                        strvis_flags = CAM_STRVIS_FLAG_NONASCII_ESC;
                        break;
                }
                cam_strvis_sbuf(sb, hdr->attribute, print_size, strvis_flags);
        } else if (avail_len < field_size) {
                /*
                 * We only report an error if the user didn't allocate
                 * enough space to hold the full value of this field.  If
                 * the field length is 0, that is allowed by the spec.
                 * e.g. in SPC-4r37, section 7.4.2.2.5, VOLUME IDENTIFIER
                 * "This attribute indicates the current volume identifier
                 * (see SMC-3) of the medium. If the device server supports
                 * this attribute but does not have access to the volume
                 * identifier, the device server shall report this attribute
                 * with an attribute length value of zero."
                 */
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "Available "
                                 "length of attribute ID 0x%.4x %zu < field "
                                 "length %u", scsi_2btoul(hdr->id), avail_len,
                                 field_size);
                }
                retval = 1;
        }

        return (retval);
}

int
scsi_attrib_text_sbuf(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                      uint32_t valid_len, uint32_t flags,
                      uint32_t output_flags, char *error_str,
                      int error_str_len)
{
        size_t avail_len;
        uint32_t field_size, print_size;
        int retval = 0;
        int esc_text = 1;

        avail_len = valid_len - sizeof(*hdr);
        field_size = scsi_2btoul(hdr->length);
        print_size = MIN(avail_len, field_size);

        if ((output_flags & SCSI_ATTR_OUTPUT_TEXT_MASK) ==
             SCSI_ATTR_OUTPUT_TEXT_RAW)
                esc_text = 0;

        if (print_size > 0) {
                uint32_t i;

                for (i = 0; i < print_size; i++) {
                        if (hdr->attribute[i] == '\0')
                                continue;
                        else if (((unsigned char)hdr->attribute[i] < 0x80)
                              || (esc_text == 0))
                                sbuf_putc(sb, hdr->attribute[i]);
                        else
                                sbuf_printf(sb, "%%%02x",
                                    (unsigned char)hdr->attribute[i]);
                }
        } else if (avail_len < field_size) {
                /*
                 * We only report an error if the user didn't allocate
                 * enough space to hold the full value of this field.
                 */
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "Available "
                                 "length of attribute ID 0x%.4x %zu < field "
                                 "length %u", scsi_2btoul(hdr->id), avail_len,
                                 field_size);
                }
                retval = 1;
        }

        return (retval);
}

struct scsi_attrib_table_entry *
scsi_find_attrib_entry(struct scsi_attrib_table_entry *table,
                       size_t num_table_entries, uint32_t id)
{
        uint32_t i;

        for (i = 0; i < num_table_entries; i++) {
                if (table[i].id == id)
                        return (&table[i]);
        }

        return (NULL);
}

struct scsi_attrib_table_entry *
scsi_get_attrib_entry(uint32_t id)
{
        return (scsi_find_attrib_entry(scsi_mam_attr_table,
            nitems(scsi_mam_attr_table), id));
}

int
scsi_attrib_value_sbuf(struct sbuf *sb, uint32_t valid_len,
   struct scsi_mam_attribute_header *hdr, uint32_t output_flags,
   char *error_str, size_t error_str_len)
{
        int retval;

        switch (hdr->byte2 & SMA_FORMAT_MASK) {
        case SMA_FORMAT_ASCII:
                retval = scsi_attrib_ascii_sbuf(sb, hdr, valid_len,
                    SCSI_ATTR_FLAG_NONE, output_flags, error_str,error_str_len);
                break;
        case SMA_FORMAT_BINARY:
                if (scsi_2btoul(hdr->length) <= 8)
                        retval = scsi_attrib_int_sbuf(sb, hdr, valid_len,
                            SCSI_ATTR_FLAG_NONE, output_flags, error_str,
                            error_str_len);
                else
                        retval = scsi_attrib_hexdump_sbuf(sb, hdr, valid_len,
                            SCSI_ATTR_FLAG_NONE, output_flags, error_str,
                            error_str_len);
                break;
        case SMA_FORMAT_TEXT:
                retval = scsi_attrib_text_sbuf(sb, hdr, valid_len,
                    SCSI_ATTR_FLAG_NONE, output_flags, error_str,
                    error_str_len);
                break;
        default:
                if (error_str != NULL) {
                        snprintf(error_str, error_str_len, "Unknown attribute "
                            "format 0x%x", hdr->byte2 & SMA_FORMAT_MASK);
                }
                retval = 1;
                goto bailout;
                break; /*NOTREACHED*/
        }

        sbuf_trim(sb);

bailout:

        return (retval);
}

void
scsi_attrib_prefix_sbuf(struct sbuf *sb, uint32_t output_flags,
                        struct scsi_mam_attribute_header *hdr,
                        uint32_t valid_len, const char *desc)
{
        int need_space = 0;
        uint32_t len;
        uint32_t id;

        /*
         * We can't do anything if we don't have enough valid data for the
         * header.
         */
        if (valid_len < sizeof(*hdr))
                return;

        id = scsi_2btoul(hdr->id);
        /*
         * Note that we print out the value of the attribute listed in the
         * header, regardless of whether we actually got that many bytes
         * back from the device through the controller.  A truncated result
         * could be the result of a failure to ask for enough data; the
         * header indicates how many bytes are allocated for this attribute
         * in the MAM.
         */
        len = scsi_2btoul(hdr->length);

        if ((output_flags & SCSI_ATTR_OUTPUT_FIELD_MASK) ==
            SCSI_ATTR_OUTPUT_FIELD_NONE)
                return;

        if ((output_flags & SCSI_ATTR_OUTPUT_FIELD_DESC)
         && (desc != NULL)) {
                sbuf_cat(sb, desc);
                need_space = 1;
        }

        if (output_flags & SCSI_ATTR_OUTPUT_FIELD_NUM) {
                sbuf_printf(sb, "%s(0x%.4x)", (need_space) ? " " : "", id);
                need_space = 0;
        }

        if (output_flags & SCSI_ATTR_OUTPUT_FIELD_SIZE) {
                sbuf_printf(sb, "%s[%d]", (need_space) ? " " : "", len);
                need_space = 0;
        }
        if (output_flags & SCSI_ATTR_OUTPUT_FIELD_RW) {
                sbuf_printf(sb, "%s(%s)", (need_space) ? " " : "",
                            (hdr->byte2 & SMA_READ_ONLY) ? "RO" : "RW");
        }
        sbuf_cat(sb, ": ");
}

int
scsi_attrib_sbuf(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                 uint32_t valid_len, struct scsi_attrib_table_entry *user_table,
                 size_t num_user_entries, int prefer_user_table,
                 uint32_t output_flags, char *error_str, int error_str_len)
{
        int retval;
        struct scsi_attrib_table_entry *table1 = NULL, *table2 = NULL;
        struct scsi_attrib_table_entry *entry = NULL;
        size_t table1_size = 0, table2_size = 0;
        uint32_t id;

        retval = 0;

        if (valid_len < sizeof(*hdr)) {
                retval = 1;
                goto bailout;
        }

        id = scsi_2btoul(hdr->id);

        if (user_table != NULL) {
                if (prefer_user_table != 0) {
                        table1 = user_table;
                        table1_size = num_user_entries;
                        table2 = scsi_mam_attr_table;
                        table2_size = nitems(scsi_mam_attr_table);
                } else {
                        table1 = scsi_mam_attr_table;
                        table1_size = nitems(scsi_mam_attr_table);
                        table2 = user_table;
                        table2_size = num_user_entries;
                }
        } else {
                table1 = scsi_mam_attr_table;
                table1_size = nitems(scsi_mam_attr_table);
        }

        entry = scsi_find_attrib_entry(table1, table1_size, id);
        if (entry != NULL) {
                scsi_attrib_prefix_sbuf(sb, output_flags, hdr, valid_len,
                                        entry->desc);
                if (entry->to_str == NULL)
                        goto print_default;
                retval = entry->to_str(sb, hdr, valid_len, entry->flags,
                                       output_flags, error_str, error_str_len);
                goto bailout;
        }
        if (table2 != NULL) {
                entry = scsi_find_attrib_entry(table2, table2_size, id);
                if (entry != NULL) {
                        if (entry->to_str == NULL)
                                goto print_default;

                        scsi_attrib_prefix_sbuf(sb, output_flags, hdr,
                                                valid_len, entry->desc);
                        retval = entry->to_str(sb, hdr, valid_len, entry->flags,
                                               output_flags, error_str,
                                               error_str_len);
                        goto bailout;
                }
        }

        scsi_attrib_prefix_sbuf(sb, output_flags, hdr, valid_len, NULL);

print_default:
        retval = scsi_attrib_value_sbuf(sb, valid_len, hdr, output_flags,
            error_str, error_str_len);
bailout:
        if (retval == 0) {
                if ((entry != NULL)
                 && (entry->suffix != NULL))
                        sbuf_printf(sb, " %s", entry->suffix);

                sbuf_trim(sb);
                sbuf_putc(sb, '\n');
        }

        return (retval);
}

void
scsi_test_unit_ready(struct ccb_scsiio *csio, uint32_t retries,
                     void (*cbfcnp)(struct cam_periph *, union ccb *),
                     uint8_t tag_action, uint8_t sense_len, uint32_t timeout)
{
        struct scsi_test_unit_ready *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      CAM_DIR_NONE,
                      tag_action,
                      /*data_ptr*/NULL,
                      /*dxfer_len*/0,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);

        scsi_cmd = (struct scsi_test_unit_ready *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = TEST_UNIT_READY;
}

void
scsi_request_sense(struct ccb_scsiio *csio, uint32_t retries,
                   void (*cbfcnp)(struct cam_periph *, union ccb *),
                   void *data_ptr, uint8_t dxfer_len, uint8_t tag_action,
                   uint8_t sense_len, uint32_t timeout)
{
        struct scsi_request_sense *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      CAM_DIR_IN,
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);

        scsi_cmd = (struct scsi_request_sense *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = REQUEST_SENSE;
        scsi_cmd->length = dxfer_len;
}

void
scsi_inquiry(struct ccb_scsiio *csio, uint32_t retries,
             void (*cbfcnp)(struct cam_periph *, union ccb *),
             uint8_t tag_action, uint8_t *inq_buf, uint32_t inq_len,
             int evpd, uint8_t page_code, uint8_t sense_len,
             uint32_t timeout)
{
        struct scsi_inquiry *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      /*data_ptr*/inq_buf,
                      /*dxfer_len*/inq_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);

        scsi_cmd = (struct scsi_inquiry *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = INQUIRY;
        if (evpd) {
                scsi_cmd->byte2 |= SI_EVPD;
                scsi_cmd->page_code = page_code;
        }
        scsi_ulto2b(inq_len, scsi_cmd->length);
}

void
scsi_mode_sense(struct ccb_scsiio *csio, uint32_t retries,
    void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action,
    int dbd, uint8_t pc, uint8_t page, uint8_t *param_buf, uint32_t param_len,
    uint8_t sense_len, uint32_t timeout)
{

        scsi_mode_sense_subpage(csio, retries, cbfcnp, tag_action, dbd,
            pc, page, 0, param_buf, param_len, 0, sense_len, timeout);
}

void
scsi_mode_sense_len(struct ccb_scsiio *csio, uint32_t retries,
    void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action,
    int dbd, uint8_t pc, uint8_t page, uint8_t *param_buf, uint32_t param_len,
    int minimum_cmd_size, uint8_t sense_len, uint32_t timeout)
{

        scsi_mode_sense_subpage(csio, retries, cbfcnp, tag_action, dbd,
            pc, page, 0, param_buf, param_len, minimum_cmd_size,
            sense_len, timeout);
}

void
scsi_mode_sense_subpage(struct ccb_scsiio *csio, uint32_t retries,
    void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action,
    int dbd, uint8_t pc, uint8_t page, uint8_t subpage, uint8_t *param_buf,
    uint32_t param_len, int minimum_cmd_size, uint8_t sense_len,
    uint32_t timeout)
{
        uint8_t cdb_len;

        /*
         * Use the smallest possible command to perform the operation.
         */
        if ((param_len < 256)
         && (minimum_cmd_size < 10)) {
                /*
                 * We can fit in a 6 byte cdb.
                 */
                struct scsi_mode_sense_6 *scsi_cmd;

                scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes;
                bzero(scsi_cmd, sizeof(*scsi_cmd));
                scsi_cmd->opcode = MODE_SENSE_6;
                if (dbd != 0)
                        scsi_cmd->byte2 |= SMS_DBD;
                scsi_cmd->page = pc | page;
                scsi_cmd->subpage = subpage;
                scsi_cmd->length = param_len;
                cdb_len = sizeof(*scsi_cmd);
        } else {
                /*
                 * Need a 10 byte cdb.
                 */
                struct scsi_mode_sense_10 *scsi_cmd;

                scsi_cmd = (struct scsi_mode_sense_10 *)&csio->cdb_io.cdb_bytes;
                bzero(scsi_cmd, sizeof(*scsi_cmd));
                scsi_cmd->opcode = MODE_SENSE_10;
                if (dbd != 0)
                        scsi_cmd->byte2 |= SMS_DBD;
                scsi_cmd->page = pc | page;
                scsi_cmd->subpage = subpage;
                scsi_ulto2b(param_len, scsi_cmd->length);
                cdb_len = sizeof(*scsi_cmd);
        }
        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      CAM_DIR_IN,
                      tag_action,
                      param_buf,
                      param_len,
                      sense_len,
                      cdb_len,
                      timeout);
}

void
scsi_mode_select(struct ccb_scsiio *csio, uint32_t retries,
                 void (*cbfcnp)(struct cam_periph *, union ccb *),
                 uint8_t tag_action, int scsi_page_fmt, int save_pages,
                 uint8_t *param_buf, uint32_t param_len, uint8_t sense_len,
                 uint32_t timeout)
{
        scsi_mode_select_len(csio, retries, cbfcnp, tag_action,
                             scsi_page_fmt, save_pages, param_buf,
                             param_len, 0, sense_len, timeout);
}

void
scsi_mode_select_len(struct ccb_scsiio *csio, uint32_t retries,
                     void (*cbfcnp)(struct cam_periph *, union ccb *),
                     uint8_t tag_action, int scsi_page_fmt, int save_pages,
                     uint8_t *param_buf, uint32_t param_len,
                     int minimum_cmd_size, uint8_t sense_len,
                     uint32_t timeout)
{
        uint8_t cdb_len;

        /*
         * Use the smallest possible command to perform the operation.
         */
        if ((param_len < 256)
         && (minimum_cmd_size < 10)) {
                /*
                 * We can fit in a 6 byte cdb.
                 */
                struct scsi_mode_select_6 *scsi_cmd;

                scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes;
                bzero(scsi_cmd, sizeof(*scsi_cmd));
                scsi_cmd->opcode = MODE_SELECT_6;
                if (scsi_page_fmt != 0)
                        scsi_cmd->byte2 |= SMS_PF;
                if (save_pages != 0)
                        scsi_cmd->byte2 |= SMS_SP;
                scsi_cmd->length = param_len;
                cdb_len = sizeof(*scsi_cmd);
        } else {
                /*
                 * Need a 10 byte cdb.
                 */
                struct scsi_mode_select_10 *scsi_cmd;

                scsi_cmd =
                    (struct scsi_mode_select_10 *)&csio->cdb_io.cdb_bytes;
                bzero(scsi_cmd, sizeof(*scsi_cmd));
                scsi_cmd->opcode = MODE_SELECT_10;
                if (scsi_page_fmt != 0)
                        scsi_cmd->byte2 |= SMS_PF;
                if (save_pages != 0)
                        scsi_cmd->byte2 |= SMS_SP;
                scsi_ulto2b(param_len, scsi_cmd->length);
                cdb_len = sizeof(*scsi_cmd);
        }
        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      CAM_DIR_OUT,
                      tag_action,
                      param_buf,
                      param_len,
                      sense_len,
                      cdb_len,
                      timeout);
}

void
scsi_log_sense(struct ccb_scsiio *csio, uint32_t retries,
               void (*cbfcnp)(struct cam_periph *, union ccb *),
               uint8_t tag_action, uint8_t page_code, uint8_t page,
               int save_pages, int ppc, uint32_t paramptr,
               uint8_t *param_buf, uint32_t param_len, uint8_t sense_len,
               uint32_t timeout)
{
        struct scsi_log_sense *scsi_cmd;
        uint8_t cdb_len;

        scsi_cmd = (struct scsi_log_sense *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = LOG_SENSE;
        scsi_cmd->page = page_code | page;
        if (save_pages != 0)
                scsi_cmd->byte2 |= SLS_SP;
        if (ppc != 0)
                scsi_cmd->byte2 |= SLS_PPC;
        scsi_ulto2b(paramptr, scsi_cmd->paramptr);
        scsi_ulto2b(param_len, scsi_cmd->length);
        cdb_len = sizeof(*scsi_cmd);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      /*data_ptr*/param_buf,
                      /*dxfer_len*/param_len,
                      sense_len,
                      cdb_len,
                      timeout);
}

void
scsi_log_select(struct ccb_scsiio *csio, uint32_t retries,
                void (*cbfcnp)(struct cam_periph *, union ccb *),
                uint8_t tag_action, uint8_t page_code, int save_pages,
                int pc_reset, uint8_t *param_buf, uint32_t param_len,
                uint8_t sense_len, uint32_t timeout)
{
        struct scsi_log_select *scsi_cmd;
        uint8_t cdb_len;

        scsi_cmd = (struct scsi_log_select *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = LOG_SELECT;
        scsi_cmd->page = page_code & SLS_PAGE_CODE;
        if (save_pages != 0)
                scsi_cmd->byte2 |= SLS_SP;
        if (pc_reset != 0)
                scsi_cmd->byte2 |= SLS_PCR;
        scsi_ulto2b(param_len, scsi_cmd->length);
        cdb_len = sizeof(*scsi_cmd);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_OUT,
                      tag_action,
                      /*data_ptr*/param_buf,
                      /*dxfer_len*/param_len,
                      sense_len,
                      cdb_len,
                      timeout);
}

/*
 * Prevent or allow the user to remove the media
 */
void
scsi_prevent(struct ccb_scsiio *csio, uint32_t retries,
             void (*cbfcnp)(struct cam_periph *, union ccb *),
             uint8_t tag_action, uint8_t action,
             uint8_t sense_len, uint32_t timeout)
{
        struct scsi_prevent *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_NONE,
                      tag_action,
                      /*data_ptr*/NULL,
                      /*dxfer_len*/0,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);

        scsi_cmd = (struct scsi_prevent *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = PREVENT_ALLOW;
        scsi_cmd->how = action;
}

/* XXX allow specification of address and PMI bit and LBA */
void
scsi_read_capacity(struct ccb_scsiio *csio, uint32_t retries,
                   void (*cbfcnp)(struct cam_periph *, union ccb *),
                   uint8_t tag_action,
                   struct scsi_read_capacity_data *rcap_buf,
                   uint8_t sense_len, uint32_t timeout)
{
        struct scsi_read_capacity *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      /*data_ptr*/(uint8_t *)rcap_buf,
                      /*dxfer_len*/sizeof(*rcap_buf),
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);

        scsi_cmd = (struct scsi_read_capacity *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = READ_CAPACITY;
}

void
scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
                      void (*cbfcnp)(struct cam_periph *, union ccb *),
                      uint8_t tag_action, uint64_t lba, int reladr, int pmi,
                      uint8_t *rcap_buf, int rcap_buf_len, uint8_t sense_len,
                      uint32_t timeout)
{
        struct scsi_read_capacity_16 *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      /*data_ptr*/(uint8_t *)rcap_buf,
                      /*dxfer_len*/rcap_buf_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
        scsi_cmd = (struct scsi_read_capacity_16 *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = SERVICE_ACTION_IN;
        scsi_cmd->service_action = SRC16_SERVICE_ACTION;
        scsi_u64to8b(lba, scsi_cmd->addr);
        scsi_ulto4b(rcap_buf_len, scsi_cmd->alloc_len);
        if (pmi)
                scsi_cmd->reladr |= SRC16_PMI;
        if (reladr)
                scsi_cmd->reladr |= SRC16_RELADR;
}

void
scsi_report_luns(struct ccb_scsiio *csio, uint32_t retries,
                 void (*cbfcnp)(struct cam_periph *, union ccb *),
                 uint8_t tag_action, uint8_t select_report,
                 struct scsi_report_luns_data *rpl_buf, uint32_t alloc_len,
                 uint8_t sense_len, uint32_t timeout)
{
        struct scsi_report_luns *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      /*data_ptr*/(uint8_t *)rpl_buf,
                      /*dxfer_len*/alloc_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
        scsi_cmd = (struct scsi_report_luns *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = REPORT_LUNS;
        scsi_cmd->select_report = select_report;
        scsi_ulto4b(alloc_len, scsi_cmd->length);
}

void
scsi_report_target_group(struct ccb_scsiio *csio, uint32_t retries,
                 void (*cbfcnp)(struct cam_periph *, union ccb *),
                 uint8_t tag_action, uint8_t pdf,
                 void *buf, uint32_t alloc_len,
                 uint8_t sense_len, uint32_t timeout)
{
        struct scsi_target_group *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      /*data_ptr*/(uint8_t *)buf,
                      /*dxfer_len*/alloc_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
        scsi_cmd = (struct scsi_target_group *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = MAINTENANCE_IN;
        scsi_cmd->service_action = REPORT_TARGET_PORT_GROUPS | pdf;
        scsi_ulto4b(alloc_len, scsi_cmd->length);
}

void
scsi_report_timestamp(struct ccb_scsiio *csio, uint32_t retries,
                 void (*cbfcnp)(struct cam_periph *, union ccb *),
                 uint8_t tag_action, uint8_t pdf,
                 void *buf, uint32_t alloc_len,
                 uint8_t sense_len, uint32_t timeout)
{
        struct scsi_timestamp *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      /*data_ptr*/(uint8_t *)buf,
                      /*dxfer_len*/alloc_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
        scsi_cmd = (struct scsi_timestamp *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = MAINTENANCE_IN;
        scsi_cmd->service_action = REPORT_TIMESTAMP | pdf;
        scsi_ulto4b(alloc_len, scsi_cmd->length);
}

void
scsi_set_target_group(struct ccb_scsiio *csio, uint32_t retries,
                 void (*cbfcnp)(struct cam_periph *, union ccb *),
                 uint8_t tag_action, void *buf, uint32_t alloc_len,
                 uint8_t sense_len, uint32_t timeout)
{
        struct scsi_target_group *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_OUT,
                      tag_action,
                      /*data_ptr*/(uint8_t *)buf,
                      /*dxfer_len*/alloc_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
        scsi_cmd = (struct scsi_target_group *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = MAINTENANCE_OUT;
        scsi_cmd->service_action = SET_TARGET_PORT_GROUPS;
        scsi_ulto4b(alloc_len, scsi_cmd->length);
}

void
scsi_create_timestamp(uint8_t *timestamp_6b_buf,
                      uint64_t timestamp)
{
        uint8_t buf[8];
        scsi_u64to8b(timestamp, buf);
        /*
         * Using memcopy starting at buf[2] because the set timestamp parameters
         * only has six bytes for the timestamp to fit into, and we don't have a
         * scsi_u64to6b function.
         */
        memcpy(timestamp_6b_buf, &buf[2], 6);
}

void
scsi_set_timestamp(struct ccb_scsiio *csio, uint32_t retries,
                   void (*cbfcnp)(struct cam_periph *, union ccb *),
                   uint8_t tag_action, void *buf, uint32_t alloc_len,
                   uint8_t sense_len, uint32_t timeout)
{
        struct scsi_timestamp *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_OUT,
                      tag_action,
                      /*data_ptr*/(uint8_t *) buf,
                      /*dxfer_len*/alloc_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
        scsi_cmd = (struct scsi_timestamp *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = MAINTENANCE_OUT;
        scsi_cmd->service_action = SET_TIMESTAMP;
        scsi_ulto4b(alloc_len, scsi_cmd->length);
}

/*
 * Syncronize the media to the contents of the cache for
 * the given lba/count pair.  Specifying 0/0 means sync
 * the whole cache.
 */
void
scsi_synchronize_cache(struct ccb_scsiio *csio, uint32_t retries,
                       void (*cbfcnp)(struct cam_periph *, union ccb *),
                       uint8_t tag_action, uint32_t begin_lba,
                       uint16_t lb_count, uint8_t sense_len,
                       uint32_t timeout)
{
        struct scsi_sync_cache *scsi_cmd;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_NONE,
                      tag_action,
                      /*data_ptr*/NULL,
                      /*dxfer_len*/0,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);

        scsi_cmd = (struct scsi_sync_cache *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = SYNCHRONIZE_CACHE;
        scsi_ulto4b(begin_lba, scsi_cmd->begin_lba);
        scsi_ulto2b(lb_count, scsi_cmd->lb_count);
}

void
scsi_read_write(struct ccb_scsiio *csio, uint32_t retries,
                void (*cbfcnp)(struct cam_periph *, union ccb *),
                uint8_t tag_action, int readop, uint8_t byte2,
                int minimum_cmd_size, uint64_t lba, uint32_t block_count,
                uint8_t *data_ptr, uint32_t dxfer_len, uint8_t sense_len,
                uint32_t timeout)
{
        int read;
        uint8_t cdb_len;

        read = (readop & SCSI_RW_DIRMASK) == SCSI_RW_READ;

        /*
         * Use the smallest possible command to perform the operation
         * as some legacy hardware does not support the 10 byte commands.
         * If any of the bits in byte2 is set, we have to go with a larger
         * command.
         */
        if ((minimum_cmd_size < 10)
         && ((lba & 0x1fffff) == lba)
         && ((block_count & 0xff) == block_count)
         && (byte2 == 0)) {
                /*
                 * We can fit in a 6 byte cdb.
                 */
                struct scsi_rw_6 *scsi_cmd;

                scsi_cmd = (struct scsi_rw_6 *)&csio->cdb_io.cdb_bytes;
                scsi_cmd->opcode = read ? READ_6 : WRITE_6;
                scsi_ulto3b(lba, scsi_cmd->addr);
                scsi_cmd->length = block_count & 0xff;
                scsi_cmd->control = 0;
                cdb_len = sizeof(*scsi_cmd);

                CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE,
                          ("6byte: %x%x%x:%d:%d\n", scsi_cmd->addr[0],
                           scsi_cmd->addr[1], scsi_cmd->addr[2],
                           scsi_cmd->length, dxfer_len));
        } else if ((minimum_cmd_size < 12)
                && ((block_count & 0xffff) == block_count)
                && ((lba & 0xffffffff) == lba)) {
                /*
                 * Need a 10 byte cdb.
                 */
                struct scsi_rw_10 *scsi_cmd;

                scsi_cmd = (struct scsi_rw_10 *)&csio->cdb_io.cdb_bytes;
                scsi_cmd->opcode = read ? READ_10 : WRITE_10;
                scsi_cmd->byte2 = byte2;
                scsi_ulto4b(lba, scsi_cmd->addr);
                scsi_cmd->reserved = 0;
                scsi_ulto2b(block_count, scsi_cmd->length);
                scsi_cmd->control = 0;
                cdb_len = sizeof(*scsi_cmd);

                CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE,
                          ("10byte: %x%x%x%x:%x%x: %d\n", scsi_cmd->addr[0],
                           scsi_cmd->addr[1], scsi_cmd->addr[2],
                           scsi_cmd->addr[3], scsi_cmd->length[0],
                           scsi_cmd->length[1], dxfer_len));
        } else if ((minimum_cmd_size < 16)
                && ((block_count & 0xffffffff) == block_count)
                && ((lba & 0xffffffff) == lba)) {
                /*
                 * The block count is too big for a 10 byte CDB, use a 12
                 * byte CDB.
                 */
                struct scsi_rw_12 *scsi_cmd;

                scsi_cmd = (struct scsi_rw_12 *)&csio->cdb_io.cdb_bytes;
                scsi_cmd->opcode = read ? READ_12 : WRITE_12;
                scsi_cmd->byte2 = byte2;
                scsi_ulto4b(lba, scsi_cmd->addr);
                scsi_cmd->reserved = 0;
                scsi_ulto4b(block_count, scsi_cmd->length);
                scsi_cmd->control = 0;
                cdb_len = sizeof(*scsi_cmd);

                CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE,
                          ("12byte: %x%x%x%x:%x%x%x%x: %d\n", scsi_cmd->addr[0],
                           scsi_cmd->addr[1], scsi_cmd->addr[2],
                           scsi_cmd->addr[3], scsi_cmd->length[0],
                           scsi_cmd->length[1], scsi_cmd->length[2],
                           scsi_cmd->length[3], dxfer_len));
        } else {
                /*
                 * 16 byte CDB.  We'll only get here if the LBA is larger
                 * than 2^32, or if the user asks for a 16 byte command.
                 */
                struct scsi_rw_16 *scsi_cmd;

                scsi_cmd = (struct scsi_rw_16 *)&csio->cdb_io.cdb_bytes;
                scsi_cmd->opcode = read ? READ_16 : WRITE_16;
                scsi_cmd->byte2 = byte2;
                scsi_u64to8b(lba, scsi_cmd->addr);
                scsi_cmd->reserved = 0;
                scsi_ulto4b(block_count, scsi_cmd->length);
                scsi_cmd->control = 0;
                cdb_len = sizeof(*scsi_cmd);
        }
        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      (read ? CAM_DIR_IN : CAM_DIR_OUT) |
                      ((readop & SCSI_RW_BIO) != 0 ? CAM_DATA_BIO : 0),
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      cdb_len,
                      timeout);
}

void
scsi_write_same(struct ccb_scsiio *csio, uint32_t retries,
                void (*cbfcnp)(struct cam_periph *, union ccb *),
                uint8_t tag_action, uint8_t byte2,
                int minimum_cmd_size, uint64_t lba, uint32_t block_count,
                uint8_t *data_ptr, uint32_t dxfer_len, uint8_t sense_len,
                uint32_t timeout)
{
        uint8_t cdb_len;
        if ((minimum_cmd_size < 16) &&
            ((block_count & 0xffff) == block_count) &&
            ((lba & 0xffffffff) == lba)) {
                /*
                 * Need a 10 byte cdb.
                 */
                struct scsi_write_same_10 *scsi_cmd;

                scsi_cmd = (struct scsi_write_same_10 *)&csio->cdb_io.cdb_bytes;
                scsi_cmd->opcode = WRITE_SAME_10;
                scsi_cmd->byte2 = byte2;
                scsi_ulto4b(lba, scsi_cmd->addr);
                scsi_cmd->group = 0;
                scsi_ulto2b(block_count, scsi_cmd->length);
                scsi_cmd->control = 0;
                cdb_len = sizeof(*scsi_cmd);

                CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE,
                          ("10byte: %x%x%x%x:%x%x: %d\n", scsi_cmd->addr[0],
                           scsi_cmd->addr[1], scsi_cmd->addr[2],
                           scsi_cmd->addr[3], scsi_cmd->length[0],
                           scsi_cmd->length[1], dxfer_len));
        } else {
                /*
                 * 16 byte CDB.  We'll only get here if the LBA is larger
                 * than 2^32, or if the user asks for a 16 byte command.
                 */
                struct scsi_write_same_16 *scsi_cmd;

                scsi_cmd = (struct scsi_write_same_16 *)&csio->cdb_io.cdb_bytes;
                scsi_cmd->opcode = WRITE_SAME_16;
                scsi_cmd->byte2 = byte2;
                scsi_u64to8b(lba, scsi_cmd->addr);
                scsi_ulto4b(block_count, scsi_cmd->length);
                scsi_cmd->group = 0;
                scsi_cmd->control = 0;
                cdb_len = sizeof(*scsi_cmd);

                CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE,
                          ("16byte: %x%x%x%x%x%x%x%x:%x%x%x%x: %d\n",
                           scsi_cmd->addr[0], scsi_cmd->addr[1],
                           scsi_cmd->addr[2], scsi_cmd->addr[3],
                           scsi_cmd->addr[4], scsi_cmd->addr[5],
                           scsi_cmd->addr[6], scsi_cmd->addr[7],
                           scsi_cmd->length[0], scsi_cmd->length[1],
                           scsi_cmd->length[2], scsi_cmd->length[3],
                           dxfer_len));
        }
        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_OUT,
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      cdb_len,
                      timeout);
}

void
scsi_ata_identify(struct ccb_scsiio *csio, uint32_t retries,
                  void (*cbfcnp)(struct cam_periph *, union ccb *),
                  uint8_t tag_action, uint8_t *data_ptr,
                  uint16_t dxfer_len, uint8_t sense_len,
                  uint32_t timeout)
{
        scsi_ata_pass(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      /*protocol*/AP_PROTO_PIO_IN,
                      /*ata_flags*/AP_FLAG_TDIR_FROM_DEV |
                                   AP_FLAG_BYT_BLOK_BLOCKS |
                                   AP_FLAG_TLEN_SECT_CNT,
                      /*features*/0,
                      /*sector_count*/dxfer_len / 512,
                      /*lba*/0,
                      /*command*/ATA_ATA_IDENTIFY,
                      /*device*/ 0,
                      /*icc*/ 0,
                      /*auxiliary*/ 0,
                      /*control*/0,
                      data_ptr,
                      dxfer_len,
                      /*cdb_storage*/ NULL,
                      /*cdb_storage_len*/ 0,
                      /*minimum_cmd_size*/ 0,
                      sense_len,
                      timeout);
}

void
scsi_ata_trim(struct ccb_scsiio *csio, uint32_t retries,
              void (*cbfcnp)(struct cam_periph *, union ccb *),
              uint8_t tag_action, uint16_t block_count,
              uint8_t *data_ptr, uint16_t dxfer_len, uint8_t sense_len,
              uint32_t timeout)
{
        scsi_ata_pass_16(csio,
                         retries,
                         cbfcnp,
                         /*flags*/CAM_DIR_OUT,
                         tag_action,
                         /*protocol*/AP_EXTEND|AP_PROTO_DMA,
                         /*ata_flags*/AP_FLAG_TLEN_SECT_CNT|AP_FLAG_BYT_BLOK_BLOCKS,
                         /*features*/ATA_DSM_TRIM,
                         /*sector_count*/block_count,
                         /*lba*/0,
                         /*command*/ATA_DATA_SET_MANAGEMENT,
                         /*control*/0,
                         data_ptr,
                         dxfer_len,
                         sense_len,
                         timeout);
}

int
scsi_ata_read_log(struct ccb_scsiio *csio, uint32_t retries,
                  void (*cbfcnp)(struct cam_periph *, union ccb *),
                  uint8_t tag_action, uint32_t log_address,
                  uint32_t page_number, uint16_t block_count,
                  uint8_t protocol, uint8_t *data_ptr, uint32_t dxfer_len,
                  uint8_t sense_len, uint32_t timeout)
{
        uint8_t command, protocol_out;
        uint16_t count_out;
        uint64_t lba;
        int retval;

        retval = 0;

        switch (protocol) {
        case AP_PROTO_DMA:
                count_out = block_count;
                command = ATA_READ_LOG_DMA_EXT;
                protocol_out = AP_PROTO_DMA;
                break;
        case AP_PROTO_PIO_IN:
        default:
                count_out = block_count;
                command = ATA_READ_LOG_EXT;
                protocol_out = AP_PROTO_PIO_IN;
                break;
        }

        lba = (((uint64_t)page_number & 0xff00) << 32) |
              ((page_number & 0x00ff) << 8) |
              (log_address & 0xff);

        protocol_out |= AP_EXTEND;

        retval = scsi_ata_pass(csio,
                               retries,
                               cbfcnp,
                               /*flags*/CAM_DIR_IN,
                               tag_action,
                               /*protocol*/ protocol_out,
                               /*ata_flags*/AP_FLAG_TLEN_SECT_CNT |
                                            AP_FLAG_BYT_BLOK_BLOCKS |
                                            AP_FLAG_TDIR_FROM_DEV,
                               /*feature*/ 0,
                               /*sector_count*/ count_out,
                               /*lba*/ lba,
                               /*command*/ command,
                               /*device*/ 0,
                               /*icc*/ 0,
                               /*auxiliary*/ 0,
                               /*control*/0,
                               data_ptr,
                               dxfer_len,
                               /*cdb_storage*/ NULL,
                               /*cdb_storage_len*/ 0,
                               /*minimum_cmd_size*/ 0,
                               sense_len,
                               timeout);

        return (retval);
}

int scsi_ata_setfeatures(struct ccb_scsiio *csio, uint32_t retries,
                         void (*cbfcnp)(struct cam_periph *, union ccb *),
                         uint8_t tag_action, uint8_t feature,
                         uint64_t lba, uint32_t count,
                         uint8_t sense_len, uint32_t timeout)
{
        return (scsi_ata_pass(csio,
                retries,
                cbfcnp,
                /*flags*/CAM_DIR_NONE,
                tag_action,
                /*protocol*/AP_PROTO_PIO_IN,
                /*ata_flags*/AP_FLAG_TDIR_FROM_DEV |
                             AP_FLAG_BYT_BLOK_BYTES |
                             AP_FLAG_TLEN_SECT_CNT,
                /*features*/feature,
                /*sector_count*/count,
                /*lba*/lba,
                /*command*/ATA_SETFEATURES,
                /*device*/ 0,
                /*icc*/ 0,
                /*auxiliary*/0,
                /*control*/0,
                /*data_ptr*/NULL,
                /*dxfer_len*/0,
                /*cdb_storage*/NULL,
                /*cdb_storage_len*/0,
                /*minimum_cmd_size*/0,
                sense_len,
                timeout));
}

/*
 * Note! This is an unusual CDB building function because it can return
 * an error in the event that the command in question requires a variable
 * length CDB, but the caller has not given storage space for one or has not
 * given enough storage space.  If there is enough space available in the
 * standard SCSI CCB CDB bytes, we'll prefer that over passed in storage.
 */
int
scsi_ata_pass(struct ccb_scsiio *csio, uint32_t retries,
              void (*cbfcnp)(struct cam_periph *, union ccb *),
              uint32_t flags, uint8_t tag_action,
              uint8_t protocol, uint8_t ata_flags, uint16_t features,
              uint16_t sector_count, uint64_t lba, uint8_t command,
              uint8_t device, uint8_t icc, uint32_t auxiliary,
              uint8_t control, uint8_t *data_ptr, uint32_t dxfer_len,
              uint8_t *cdb_storage, size_t cdb_storage_len,
              int minimum_cmd_size, uint8_t sense_len, uint32_t timeout)
{
        uint32_t cam_flags;
        uint8_t *cdb_ptr;
        int cmd_size;
        int retval;
        uint8_t cdb_len;

        retval = 0;
        cam_flags = flags;

        /*
         * Round the user's request to the nearest command size that is at
         * least as big as what he requested.
         */
        if (minimum_cmd_size <= 12)
                cmd_size = 12;
        else if (minimum_cmd_size > 16)
                cmd_size = 32;
        else
                cmd_size = 16;

        /*
         * If we have parameters that require a 48-bit ATA command, we have to
         * use the 16 byte ATA PASS-THROUGH command at least.
         */
        if (((lba > ATA_MAX_28BIT_LBA)
          || (sector_count > 255)
          || (features > 255)
          || (protocol & AP_EXTEND))
         && ((cmd_size < 16)
          || ((protocol & AP_EXTEND) == 0))) {
                if (cmd_size < 16)
                        cmd_size = 16;
                protocol |= AP_EXTEND;
        }

        /*
         * The icc and auxiliary ATA registers are only supported in the
         * 32-byte version of the ATA PASS-THROUGH command.
         */
        if ((icc != 0)
         || (auxiliary != 0)) {
                cmd_size = 32;
                protocol |= AP_EXTEND;
        }

        if ((cmd_size > sizeof(csio->cdb_io.cdb_bytes))
         && ((cdb_storage == NULL)
          || (cdb_storage_len < cmd_size))) {
                retval = 1;
                goto bailout;
        }

        /*
         * At this point we know we have enough space to store the command
         * in one place or another.  We prefer the built-in array, but used
         * the passed in storage if necessary.
         */
        if (cmd_size <= sizeof(csio->cdb_io.cdb_bytes))
                cdb_ptr = csio->cdb_io.cdb_bytes;
        else {
                cdb_ptr = cdb_storage;
                cam_flags |= CAM_CDB_POINTER;
        }

        if (cmd_size <= 12) {
                struct ata_pass_12 *cdb;

                cdb = (struct ata_pass_12 *)cdb_ptr;
                cdb_len = sizeof(*cdb);
                bzero(cdb, cdb_len);

                cdb->opcode = ATA_PASS_12;
                cdb->protocol = protocol;
                cdb->flags = ata_flags;
                cdb->features = features;
                cdb->sector_count = sector_count;
                cdb->lba_low = lba & 0xff;
                cdb->lba_mid = (lba >> 8) & 0xff;
                cdb->lba_high = (lba >> 16) & 0xff;
                cdb->device = ((lba >> 24) & 0xf) | ATA_DEV_LBA;
                cdb->command = command;
                cdb->control = control;
        } else if (cmd_size <= 16) {
                struct ata_pass_16 *cdb;

                cdb = (struct ata_pass_16 *)cdb_ptr;
                cdb_len = sizeof(*cdb);
                bzero(cdb, cdb_len);

                cdb->opcode = ATA_PASS_16;
                cdb->protocol = protocol;
                cdb->flags = ata_flags;
                cdb->features = features & 0xff;
                cdb->sector_count = sector_count & 0xff;
                cdb->lba_low = lba & 0xff;
                cdb->lba_mid = (lba >> 8) & 0xff;
                cdb->lba_high = (lba >> 16) & 0xff;
                /*
                 * If AP_EXTEND is set, we're sending a 48-bit command.
                 * Otherwise it's a 28-bit command.
                 */
                if (protocol & AP_EXTEND) {
                        cdb->lba_low_ext = (lba >> 24) & 0xff;
                        cdb->lba_mid_ext = (lba >> 32) & 0xff;
                        cdb->lba_high_ext = (lba >> 40) & 0xff;
                        cdb->features_ext = (features >> 8) & 0xff;
                        cdb->sector_count_ext = (sector_count >> 8) & 0xff;
                        cdb->device = device | ATA_DEV_LBA;
                } else {
                        cdb->lba_low_ext = (lba >> 24) & 0xf;
                        cdb->device = ((lba >> 24) & 0xf) | ATA_DEV_LBA;
                }
                cdb->command = command;
                cdb->control = control;
        } else {
                struct ata_pass_32 *cdb;
                uint8_t tmp_lba[8];

                cdb = (struct ata_pass_32 *)cdb_ptr;
                cdb_len = sizeof(*cdb);
                bzero(cdb, cdb_len);
                cdb->opcode = VARIABLE_LEN_CDB;
                cdb->control = control;
                cdb->length = sizeof(*cdb) - __offsetof(struct ata_pass_32,
                                                        service_action);
                scsi_ulto2b(ATA_PASS_32_SA, cdb->service_action);
                cdb->protocol = protocol;
                cdb->flags = ata_flags;

                if ((protocol & AP_EXTEND) == 0) {
                        lba &= 0x0fffffff;
                        cdb->device = ((lba >> 24) & 0xf) | ATA_DEV_LBA;
                        features &= 0xff;
                        sector_count &= 0xff;
                } else {
                        cdb->device = device | ATA_DEV_LBA;
                }
                scsi_u64to8b(lba, tmp_lba);
                bcopy(&tmp_lba[2], cdb->lba, sizeof(cdb->lba));
                scsi_ulto2b(features, cdb->features);
                scsi_ulto2b(sector_count, cdb->count);
                cdb->command = command;
                cdb->icc = icc;
                scsi_ulto4b(auxiliary, cdb->auxiliary);
        }

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      cam_flags,
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      cmd_size,
                      timeout);
bailout:
        return (retval);
}

void
scsi_ata_pass_16(struct ccb_scsiio *csio, uint32_t retries,
                 void (*cbfcnp)(struct cam_periph *, union ccb *),
                 uint32_t flags, uint8_t tag_action,
                 uint8_t protocol, uint8_t ata_flags, uint16_t features,
                 uint16_t sector_count, uint64_t lba, uint8_t command,
                 uint8_t control, uint8_t *data_ptr, uint16_t dxfer_len,
                 uint8_t sense_len, uint32_t timeout)
{
        struct ata_pass_16 *ata_cmd;

        ata_cmd = (struct ata_pass_16 *)&csio->cdb_io.cdb_bytes;
        ata_cmd->opcode = ATA_PASS_16;
        ata_cmd->protocol = protocol;
        ata_cmd->flags = ata_flags;
        ata_cmd->features_ext = features >> 8;
        ata_cmd->features = features;
        ata_cmd->sector_count_ext = sector_count >> 8;
        ata_cmd->sector_count = sector_count;
        ata_cmd->lba_low = lba;
        ata_cmd->lba_mid = lba >> 8;
        ata_cmd->lba_high = lba >> 16;
        ata_cmd->device = ATA_DEV_LBA;
        if (protocol & AP_EXTEND) {
                ata_cmd->lba_low_ext = lba >> 24;
                ata_cmd->lba_mid_ext = lba >> 32;
                ata_cmd->lba_high_ext = lba >> 40;
        } else
                ata_cmd->device |= (lba >> 24) & 0x0f;
        ata_cmd->command = command;
        ata_cmd->control = control;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      flags,
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      sizeof(*ata_cmd),
                      timeout);
}

void
scsi_unmap(struct ccb_scsiio *csio, uint32_t retries,
           void (*cbfcnp)(struct cam_periph *, union ccb *),
           uint8_t tag_action, uint8_t byte2,
           uint8_t *data_ptr, uint16_t dxfer_len, uint8_t sense_len,
           uint32_t timeout)
{
        struct scsi_unmap *scsi_cmd;

        scsi_cmd = (struct scsi_unmap *)&csio->cdb_io.cdb_bytes;
        scsi_cmd->opcode = UNMAP;
        scsi_cmd->byte2 = byte2;
        scsi_ulto4b(0, scsi_cmd->reserved);
        scsi_cmd->group = 0;
        scsi_ulto2b(dxfer_len, scsi_cmd->length);
        scsi_cmd->control = 0;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_OUT,
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_receive_diagnostic_results(struct ccb_scsiio *csio, uint32_t retries,
                                void (*cbfcnp)(struct cam_periph *, union ccb*),
                                uint8_t tag_action, int pcv, uint8_t page_code,
                                uint8_t *data_ptr, uint16_t allocation_length,
                                uint8_t sense_len, uint32_t timeout)
{
        struct scsi_receive_diag *scsi_cmd;

        scsi_cmd = (struct scsi_receive_diag *)&csio->cdb_io.cdb_bytes;
        memset(scsi_cmd, 0, sizeof(*scsi_cmd));
        scsi_cmd->opcode = RECEIVE_DIAGNOSTIC;
        if (pcv) {
                scsi_cmd->byte2 |= SRD_PCV;
                scsi_cmd->page_code = page_code;
        }
        scsi_ulto2b(allocation_length, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      data_ptr,
                      allocation_length,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_send_diagnostic(struct ccb_scsiio *csio, uint32_t retries,
                     void (*cbfcnp)(struct cam_periph *, union ccb *),
                     uint8_t tag_action, int unit_offline, int device_offline,
                     int self_test, int page_format, int self_test_code,
                     uint8_t *data_ptr, uint16_t param_list_length,
                     uint8_t sense_len, uint32_t timeout)
{
        struct scsi_send_diag *scsi_cmd;

        scsi_cmd = (struct scsi_send_diag *)&csio->cdb_io.cdb_bytes;
        memset(scsi_cmd, 0, sizeof(*scsi_cmd));
        scsi_cmd->opcode = SEND_DIAGNOSTIC;

        /*
         * The default self-test mode control and specific test
         * control are mutually exclusive.
         */
        if (self_test)
                self_test_code = SSD_SELF_TEST_CODE_NONE;

        scsi_cmd->byte2 = ((self_test_code << SSD_SELF_TEST_CODE_SHIFT)
                         & SSD_SELF_TEST_CODE_MASK)
                        | (unit_offline   ? SSD_UNITOFFL : 0)
                        | (device_offline ? SSD_DEVOFFL  : 0)
                        | (self_test      ? SSD_SELFTEST : 0)
                        | (page_format    ? SSD_PF       : 0);
        scsi_ulto2b(param_list_length, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/param_list_length ? CAM_DIR_OUT : CAM_DIR_NONE,
                      tag_action,
                      data_ptr,
                      param_list_length,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_get_physical_element_status(struct ccb_scsiio *csio, uint32_t retries,
                                 void (*cbfcnp)(struct cam_periph *, union ccb *),
                                 uint8_t tag_action, uint8_t *data_ptr,
                                 uint16_t allocation_length, uint8_t report_type,
                                 uint32_t starting_element,
                                 uint8_t sense_len, uint32_t timeout)
{
        struct scsi_get_physical_element_status *scsi_cmd;

        scsi_cmd = (struct scsi_get_physical_element_status *)&csio->cdb_io.cdb_bytes;
        memset(scsi_cmd, 0, sizeof(*scsi_cmd));
        scsi_cmd->opcode = SERVICE_ACTION_IN;
        scsi_cmd->service_action = GET_PHYSICAL_ELEMENT_STATUS;
        scsi_ulto4b(starting_element, scsi_cmd->starting_element);
        scsi_ulto4b(allocation_length, scsi_cmd->allocation_length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/ CAM_DIR_IN,
                      tag_action,
                      data_ptr,
                      allocation_length,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_remove_element_and_truncate(struct ccb_scsiio *csio, uint32_t retries,
                                 void (*cbfcnp)(struct cam_periph *, union ccb *),
                                 uint8_t tag_action,
                                 uint64_t requested_capacity, uint32_t element_id,
                                 uint8_t sense_len, uint32_t timeout)
{
        struct scsi_remove_element_and_truncate *scsi_cmd;

        scsi_cmd = (struct scsi_remove_element_and_truncate *)&csio->cdb_io.cdb_bytes;
        memset(scsi_cmd, 0, sizeof(*scsi_cmd));
        scsi_cmd->opcode = SERVICE_ACTION_IN;
        scsi_cmd->service_action = REMOVE_ELEMENT_AND_TRUNCATE;
        scsi_u64to8b(requested_capacity, scsi_cmd->requested_capacity);
        scsi_ulto4b(element_id, scsi_cmd->element_identifier);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/ CAM_DIR_OUT,
                      tag_action,
                      NULL,
                      0,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_restore_elements_and_rebuild(struct ccb_scsiio *csio, uint32_t retries,
                                  void (*cbfcnp)(struct cam_periph *, union ccb *),
                                  uint8_t tag_action,
                                  uint8_t sense_len, uint32_t timeout)
{
        struct scsi_service_action_in *scsi_cmd;

        scsi_cmd = (struct scsi_service_action_in *)&csio->cdb_io.cdb_bytes;
        memset(scsi_cmd, 0, sizeof(*scsi_cmd));
        scsi_cmd->opcode = SERVICE_ACTION_IN;
        scsi_cmd->service_action = RESTORE_ELEMENTS_AND_REBUILD;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/ CAM_DIR_OUT,
                      tag_action,
                      NULL,
                      0,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_read_buffer(struct ccb_scsiio *csio, uint32_t retries,
                        void (*cbfcnp)(struct cam_periph *, union ccb*),
                        uint8_t tag_action, int mode,
                        uint8_t buffer_id, uint32_t offset,
                        uint8_t *data_ptr, uint32_t allocation_length,
                        uint8_t sense_len, uint32_t timeout)
{
        struct scsi_read_buffer *scsi_cmd;

        scsi_cmd = (struct scsi_read_buffer *)&csio->cdb_io.cdb_bytes;
        memset(scsi_cmd, 0, sizeof(*scsi_cmd));
        scsi_cmd->opcode = READ_BUFFER;
        scsi_cmd->byte2 = mode;
        scsi_cmd->buffer_id = buffer_id;
        scsi_ulto3b(offset, scsi_cmd->offset);
        scsi_ulto3b(allocation_length, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      data_ptr,
                      allocation_length,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_write_buffer(struct ccb_scsiio *csio, uint32_t retries,
                        void (*cbfcnp)(struct cam_periph *, union ccb *),
                        uint8_t tag_action, int mode,
                        uint8_t buffer_id, uint32_t offset,
                        uint8_t *data_ptr, uint32_t param_list_length,
                        uint8_t sense_len, uint32_t timeout)
{
        struct scsi_write_buffer *scsi_cmd;

        scsi_cmd = (struct scsi_write_buffer *)&csio->cdb_io.cdb_bytes;
        memset(scsi_cmd, 0, sizeof(*scsi_cmd));
        scsi_cmd->opcode = WRITE_BUFFER;
        scsi_cmd->byte2 = mode;
        scsi_cmd->buffer_id = buffer_id;
        scsi_ulto3b(offset, scsi_cmd->offset);
        scsi_ulto3b(param_list_length, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/param_list_length ? CAM_DIR_OUT : CAM_DIR_NONE,
                      tag_action,
                      data_ptr,
                      param_list_length,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_start_stop(struct ccb_scsiio *csio, uint32_t retries,
                void (*cbfcnp)(struct cam_periph *, union ccb *),
                uint8_t tag_action, int start, int load_eject,
                int immediate, uint8_t sense_len, uint32_t timeout)
{
        struct scsi_start_stop_unit *scsi_cmd;
        int extra_flags = 0;

        scsi_cmd = (struct scsi_start_stop_unit *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = START_STOP_UNIT;
        if (start != 0) {
                scsi_cmd->how |= SSS_START;
                /* it takes a lot of power to start a drive */
                extra_flags |= CAM_HIGH_POWER;
        }
        if (load_eject != 0)
                scsi_cmd->how |= SSS_LOEJ;
        if (immediate != 0)
                scsi_cmd->byte2 |= SSS_IMMED;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_NONE | extra_flags,
                      tag_action,
                      /*data_ptr*/NULL,
                      /*dxfer_len*/0,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_start_stop_pc(struct ccb_scsiio *csio, uint32_t retries,
                void (*cbfcnp)(struct cam_periph *, union ccb *),
                uint8_t tag_action, int start, int load_eject,
                int immediate, uint8_t power_condition, uint8_t sense_len,
                uint32_t timeout)
{
        struct scsi_start_stop_unit *scsi_cmd;
        int extra_flags = 0;

        scsi_cmd = (struct scsi_start_stop_unit *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));
        scsi_cmd->opcode = START_STOP_UNIT;
        if (start != 0) {
                scsi_cmd->how |= SSS_START;
                /* it takes a lot of power to start a drive */
                extra_flags |= CAM_HIGH_POWER;
        }
        if (load_eject != 0)
                scsi_cmd->how |= SSS_LOEJ;
        scsi_cmd->how |= power_condition;
        if (immediate != 0)
                scsi_cmd->byte2 |= SSS_IMMED;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_NONE | extra_flags,
                      tag_action,
                      /*data_ptr*/NULL,
                      /*dxfer_len*/0,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_read_attribute(struct ccb_scsiio *csio, uint32_t retries,
                    void (*cbfcnp)(struct cam_periph *, union ccb *),
                    uint8_t tag_action, uint8_t service_action,
                    uint32_t element, uint8_t elem_type, int logical_volume,
                    int partition, uint32_t first_attribute, int cache,
                    uint8_t *data_ptr, uint32_t length, int sense_len,
                    uint32_t timeout)
{
        struct scsi_read_attribute *scsi_cmd;

        scsi_cmd = (struct scsi_read_attribute *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));

        scsi_cmd->opcode = READ_ATTRIBUTE;
        scsi_cmd->service_action = service_action;
        scsi_ulto2b(element, scsi_cmd->element);
        scsi_cmd->elem_type = elem_type;
        scsi_cmd->logical_volume = logical_volume;
        scsi_cmd->partition = partition;
        scsi_ulto2b(first_attribute, scsi_cmd->first_attribute);
        scsi_ulto4b(length, scsi_cmd->length);
        if (cache != 0)
                scsi_cmd->cache |= SRA_CACHE;

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      /*data_ptr*/data_ptr,
                      /*dxfer_len*/length,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_write_attribute(struct ccb_scsiio *csio, uint32_t retries,
                    void (*cbfcnp)(struct cam_periph *, union ccb *),
                    uint8_t tag_action, uint32_t element, int logical_volume,
                    int partition, int wtc, uint8_t *data_ptr,
                    uint32_t length, int sense_len, uint32_t timeout)
{
        struct scsi_write_attribute *scsi_cmd;

        scsi_cmd = (struct scsi_write_attribute *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));

        scsi_cmd->opcode = WRITE_ATTRIBUTE;
        if (wtc != 0)
                scsi_cmd->byte2 = SWA_WTC;
        scsi_ulto3b(element, scsi_cmd->element);
        scsi_cmd->logical_volume = logical_volume;
        scsi_cmd->partition = partition;
        scsi_ulto4b(length, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_OUT,
                      tag_action,
                      /*data_ptr*/data_ptr,
                      /*dxfer_len*/length,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_persistent_reserve_in(struct ccb_scsiio *csio, uint32_t retries,
                           void (*cbfcnp)(struct cam_periph *, union ccb *),
                           uint8_t tag_action, int service_action,
                           uint8_t *data_ptr, uint32_t dxfer_len, int sense_len,
                           int timeout)
{
        struct scsi_per_res_in *scsi_cmd;

        scsi_cmd = (struct scsi_per_res_in *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));

        scsi_cmd->opcode = PERSISTENT_RES_IN;
        scsi_cmd->action = service_action;
        scsi_ulto2b(dxfer_len, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_persistent_reserve_out(struct ccb_scsiio *csio, uint32_t retries,
                            void (*cbfcnp)(struct cam_periph *, union ccb *),
                            uint8_t tag_action, int service_action,
                            int scope, int res_type, uint8_t *data_ptr,
                            uint32_t dxfer_len, int sense_len, int timeout)
{
        struct scsi_per_res_out *scsi_cmd;

        scsi_cmd = (struct scsi_per_res_out *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));

        scsi_cmd->opcode = PERSISTENT_RES_OUT;
        scsi_cmd->action = service_action;
        scsi_cmd->scope_type = scope | res_type;
        scsi_ulto4b(dxfer_len, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_OUT,
                      tag_action,
                      /*data_ptr*/data_ptr,
                      /*dxfer_len*/dxfer_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_security_protocol_in(struct ccb_scsiio *csio, uint32_t retries,
                          void (*cbfcnp)(struct cam_periph *, union ccb *),
                          uint8_t tag_action, uint32_t security_protocol,
                          uint32_t security_protocol_specific, int byte4,
                          uint8_t *data_ptr, uint32_t dxfer_len, int sense_len,
                          int timeout)
{
        struct scsi_security_protocol_in *scsi_cmd;

        scsi_cmd = (struct scsi_security_protocol_in *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));

        scsi_cmd->opcode = SECURITY_PROTOCOL_IN;

        scsi_cmd->security_protocol = security_protocol;
        scsi_ulto2b(security_protocol_specific,
                    scsi_cmd->security_protocol_specific);
        scsi_cmd->byte4 = byte4;
        scsi_ulto4b(dxfer_len, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_security_protocol_out(struct ccb_scsiio *csio, uint32_t retries,
                           void (*cbfcnp)(struct cam_periph *, union ccb *),
                           uint8_t tag_action, uint32_t security_protocol,
                           uint32_t security_protocol_specific, int byte4,
                           uint8_t *data_ptr, uint32_t dxfer_len, int sense_len,
                           int timeout)
{
        struct scsi_security_protocol_out *scsi_cmd;

        scsi_cmd = (struct scsi_security_protocol_out *)&csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));

        scsi_cmd->opcode = SECURITY_PROTOCOL_OUT;

        scsi_cmd->security_protocol = security_protocol;
        scsi_ulto2b(security_protocol_specific,
                    scsi_cmd->security_protocol_specific);
        scsi_cmd->byte4 = byte4;
        scsi_ulto4b(dxfer_len, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_OUT,
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

void
scsi_report_supported_opcodes(struct ccb_scsiio *csio, uint32_t retries,
                              void (*cbfcnp)(struct cam_periph *, union ccb *),
                              uint8_t tag_action, int options, int req_opcode,
                              int req_service_action, uint8_t *data_ptr,
                              uint32_t dxfer_len, int sense_len, int timeout)
{
        struct scsi_report_supported_opcodes *scsi_cmd;

        scsi_cmd = (struct scsi_report_supported_opcodes *)
            &csio->cdb_io.cdb_bytes;
        bzero(scsi_cmd, sizeof(*scsi_cmd));

        scsi_cmd->opcode = MAINTENANCE_IN;
        scsi_cmd->service_action = REPORT_SUPPORTED_OPERATION_CODES;
        scsi_cmd->options = options;
        scsi_cmd->requested_opcode = req_opcode;
        scsi_ulto2b(req_service_action, scsi_cmd->requested_service_action);
        scsi_ulto4b(dxfer_len, scsi_cmd->length);

        cam_fill_csio(csio,
                      retries,
                      cbfcnp,
                      /*flags*/CAM_DIR_IN,
                      tag_action,
                      data_ptr,
                      dxfer_len,
                      sense_len,
                      sizeof(*scsi_cmd),
                      timeout);
}

/*
 * Try make as good a match as possible with
 * available sub drivers
 */
int
scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry)
{
        struct scsi_inquiry_pattern *entry;
        struct scsi_inquiry_data *inq;

        entry = (struct scsi_inquiry_pattern *)table_entry;
        inq = (struct scsi_inquiry_data *)inqbuffer;

        if (((SID_TYPE(inq) == entry->type)
          || (entry->type == T_ANY))
         && (SID_IS_REMOVABLE(inq) ? entry->media_type & SIP_MEDIA_REMOVABLE
                                   : entry->media_type & SIP_MEDIA_FIXED)
         && (cam_strmatch(inq->vendor, entry->vendor, sizeof(inq->vendor)) == 0)
         && (cam_strmatch(inq->product, entry->product,
                          sizeof(inq->product)) == 0)
         && (cam_strmatch(inq->revision, entry->revision,
                          sizeof(inq->revision)) == 0)) {
                return (0);
        }
        return (-1);
}

/*
 * Try make as good a match as possible with
 * available sub drivers
 */
int
scsi_static_inquiry_match(caddr_t inqbuffer, caddr_t table_entry)
{
        struct scsi_static_inquiry_pattern *entry;
        struct scsi_inquiry_data *inq;

        entry = (struct scsi_static_inquiry_pattern *)table_entry;
        inq = (struct scsi_inquiry_data *)inqbuffer;

        if (((SID_TYPE(inq) == entry->type)
          || (entry->type == T_ANY))
         && (SID_IS_REMOVABLE(inq) ? entry->media_type & SIP_MEDIA_REMOVABLE
                                   : entry->media_type & SIP_MEDIA_FIXED)
         && (cam_strmatch(inq->vendor, entry->vendor, sizeof(inq->vendor)) == 0)
         && (cam_strmatch(inq->product, entry->product,
                          sizeof(inq->product)) == 0)
         && (cam_strmatch(inq->revision, entry->revision,
                          sizeof(inq->revision)) == 0)) {
                return (0);
        }
        return (-1);
}

/**
 * Compare two buffers of vpd device descriptors for a match.
 *
 * \param lhs      Pointer to first buffer of descriptors to compare.
 * \param lhs_len  The length of the first buffer.
 * \param rhs      Pointer to second buffer of descriptors to compare.
 * \param rhs_len  The length of the second buffer.
 *
 * \return  0 on a match, -1 otherwise.
 *
 * Treat rhs and lhs as arrays of vpd device id descriptors.  Walk lhs matching
 * against each element in rhs until all data are exhausted or we have found
 * a match.
 */
int
scsi_devid_match(uint8_t *lhs, size_t lhs_len, uint8_t *rhs, size_t rhs_len)
{
        struct scsi_vpd_id_descriptor *lhs_id;
        struct scsi_vpd_id_descriptor *lhs_last;
        struct scsi_vpd_id_descriptor *rhs_last;
        uint8_t *lhs_end;
        uint8_t *rhs_end;

        lhs_end = lhs + lhs_len;
        rhs_end = rhs + rhs_len;

        /*
         * rhs_last and lhs_last are the last possible position of a valid
         * descriptor assuming it had a zero length identifier.  We use
         * these variables to insure we can safely dereference the length
         * field in our loop termination tests.
         */
        lhs_last = (struct scsi_vpd_id_descriptor *)
            (lhs_end - __offsetof(struct scsi_vpd_id_descriptor, identifier));
        rhs_last = (struct scsi_vpd_id_descriptor *)
            (rhs_end - __offsetof(struct scsi_vpd_id_descriptor, identifier));

        lhs_id = (struct scsi_vpd_id_descriptor *)lhs;
        while (lhs_id <= lhs_last
            && (lhs_id->identifier + lhs_id->length) <= lhs_end) {
                struct scsi_vpd_id_descriptor *rhs_id;

                rhs_id = (struct scsi_vpd_id_descriptor *)rhs;
                while (rhs_id <= rhs_last
                    && (rhs_id->identifier + rhs_id->length) <= rhs_end) {
                        if ((rhs_id->id_type &
                             (SVPD_ID_ASSOC_MASK | SVPD_ID_TYPE_MASK)) ==
                            (lhs_id->id_type &
                             (SVPD_ID_ASSOC_MASK | SVPD_ID_TYPE_MASK))
                         && rhs_id->length == lhs_id->length
                         && memcmp(rhs_id->identifier, lhs_id->identifier,
                                   rhs_id->length) == 0)
                                return (0);

                        rhs_id = (struct scsi_vpd_id_descriptor *)
                           (rhs_id->identifier + rhs_id->length);
                }
                lhs_id = (struct scsi_vpd_id_descriptor *)
                   (lhs_id->identifier + lhs_id->length);
        }
        return (-1);
}

#ifdef _KERNEL
int
scsi_vpd_supported_page(struct cam_periph *periph, uint8_t page_id)
{
        struct cam_ed *device;
        struct scsi_vpd_supported_pages *vpds;
        int i, num_pages;

        device = periph->path->device;
        vpds = (struct scsi_vpd_supported_pages *)device->supported_vpds;

        if (vpds != NULL) {
                num_pages = device->supported_vpds_len -
                    SVPD_SUPPORTED_PAGES_HDR_LEN;
                for (i = 0; i < num_pages; i++) {
                        if (vpds->page_list[i] == page_id)
                                return (1);
                }
        }

        return (0);
}

static void
decode_sks(struct sbuf *sb, int sk, uint8_t *sks)
{
        /*
         * The format of the sense key specific info varies based on key types.
         * The valid bit should be checked by the caller for fixed formats and
         * is always one for variable formats since it's mere presence signals
         * validity. SPC7 4.4.2.4.1 and 4.4.3.
         */
        switch (sk) {
        case SSD_KEY_ILLEGAL_REQUEST:
        {
                const char *type;

                type = sks[0] & SSD_FIELDPTR_CMD ? "CDB" : "buffer";
                sbuf_printf(sb, "error_in=\"%s\" ", type);
                if (sks[0] & SSD_BITPTR_VALID) {
                        sbuf_printf(sb, "bit_ptr=%d ", sks[0] & SSD_BITPTR_VALUE);
                }
                sbuf_printf(sb, "byte=%d ", scsi_2btoul(sks + 1));
                break;
        }
        case SSD_KEY_HARDWARE_ERROR:
        case SSD_KEY_MEDIUM_ERROR:
        case SSD_KEY_RECOVERED_ERROR:
                sbuf_printf(sb, "retry_count=%d ", scsi_2btoul(sks + 1));
                break;
        case SSD_KEY_NO_SENSE:
        case SSD_KEY_NOT_READY:
                sbuf_printf(sb, "progress=%d ", scsi_2btoul(sks + 1));
                break;
        case SSD_KEY_COPY_ABORTED:
        {
                const char *type;

                /* Note: segment number in cmd_info if SD=1 */
                type = sks[0] & SSD_SD_VALID ? "rel" : "abs";
                    sbuf_printf(sb, "segment=\"%s\" ", type);
                if (sks[0] & SSD_BITPTR_VALID) {
                        sbuf_printf(sb, "bit_ptr=%d ", sks[0] & SSD_BITPTR_VALUE);
                }
                sbuf_printf(sb, "byte=%d ", scsi_2btoul(sks + 1));
                break;
        }
        case SSD_KEY_UNIT_ATTENTION:
                sbuf_printf(sb, "overflow=%d ", sks[0] & 0x1);
                break;
        default:
                /*
                 * NO DATA - SKSV should be zero, but no
                 * reported data on 1 either.
                 */
                break;
        }
}

/*
 * Decode the sense buffer we get back from the drive. See SPC7 4.4
 * for details.
 */
void
scsi_format_sense_devd(struct ccb_scsiio *csio, struct sbuf *sb)
{
        int serr, sk, asc, ascq, slen;
        struct scsi_sense_data *sense_data;
        uint8_t *walker, *ep;
        union ccb *ccb = (union ccb *)csio;

        sbuf_printf(sb, "scsi_status=%d ", csio->scsi_status);
        if (scsi_extract_sense_ccb(ccb, &serr, &sk, &asc, &ascq))
                sbuf_printf(sb, "scsi_sense=\"%02x %02x %02x %02x\" ",
                    serr, sk, asc, ascq);
        if (csio->ccb_h.flags & CAM_SENSE_PTR)
                bcopy((struct scsi_sense_data **)&csio->sense_data,
                    &sense_data, sizeof(struct scsi_sense_data *));
        else
                sense_data = &csio->sense_data;
        /*
         * Decode the rest of the sense buffer
         */
        slen = csio->sense_len - csio->sense_resid;
        walker = (uint8_t *)sense_data;
        ep = walker + slen;
        switch (*walker) {
        case SSD_DESC_CURRENT_ERROR:
        case SSD_DESC_DEFERRED_ERROR:
        {
                struct scsi_sense_data_desc *sdesc = (struct scsi_sense_data_desc *)walker;

                walker = sdesc->sense_desc;
                if (walker + sdesc->extra_len > ep)
                        return; /* more data than buffer, just punt */
                ep = walker + sdesc->extra_len;
                while (walker < ep) {
                        struct scsi_sense_desc_header *hdr =
                            (struct scsi_sense_desc_header *)walker;

                        switch (hdr->desc_type) {
                        case SSD_DESC_INFO:
                        {
                                struct scsi_sense_info *info;

                                info = (struct scsi_sense_info *)hdr;
                                if ((info->byte2 & SSD_INFO_VALID) == 0)
                                        break;
                                sbuf_printf(sb, "info=0x%jx ",
                                    scsi_8btou64(info->info));
                                break;
                        }
                        case SSD_DESC_COMMAND:
                        {
                                struct scsi_sense_command *command;

                                command = (struct scsi_sense_command *)hdr;
                                sbuf_printf(sb, "cmd_info=0x%jx ",
                                    scsi_8btou64(command->command_info));
                                break;
                        }
                        case SSD_DESC_SKS:
                                /* len sanity */
                                decode_sks(sb, sk, walker + 2);
                                break;
                        case SSD_DESC_FRU:
                        {
                                struct scsi_sense_fru *fru;

                                fru = (struct scsi_sense_fru *)hdr;
                                sbuf_printf(sb, "fru=%u ", fru->fru);
                                break;
                        }
                        case SSD_DESC_ATA:
                        {
                                struct scsi_sense_ata_ret_desc *res;
                                uint16_t count;
                                uint64_t lba;

                                res = (struct scsi_sense_ata_ret_desc *)hdr;
                                sbuf_printf(sb, "ata_status=0x%02x ata_error=0x%02x ",
                                    res->status, res->error);
                                if (res->flags & SSD_DESC_ATA_FLAG_EXTEND) {
                                        count = ((uint16_t)res->count_15_8 << 8) | res->count_7_0;
                                        lba = ((uint64_t)res->lba_47_40 << 40) |
                                            ((uint64_t)res->lba_39_32 << 32) |
                                            ((uint64_t)res->lba_31_24 << 24) |
                                            ((uint64_t)res->lba_23_16 << 16) |
                                            ((uint64_t)res->lba_15_8 << 8) |
                                            res->lba_7_0;
                                } else {
                                        count = res->count_7_0;
                                        lba = ((uint64_t)res->lba_23_16 << 16) |
                                            ((uint64_t)res->lba_15_8 << 8) |
                                            res->lba_7_0;
                                }
                                sbuf_printf(sb, "count=%d lba=0x%jx ", count, (uintmax_t)lba);
                                break;
                        }
                        case SSD_DESC_DABD:
                        {
                                struct scsi_sense_direct_access_block_device *dabd;

                                dabd = (struct scsi_sense_direct_access_block_device *)hdr;

                                if (dabd->sks_byte & SSD_DESC_DABD_SKS_VALID)
                                        decode_sks(sb, sk, dabd->data);
                                sbuf_printf(sb, "fru=%u ", dabd->fru);
                                if (dabd->byte2 & SSD_DESC_DABD_VALID) {
                                        sbuf_printf(sb, "info=0x%jx ",
                                            scsi_8btou64(dabd->info));
                                        sbuf_printf(sb, "cmd_info=0x%jx ",
                                            scsi_8btou64(dabd->command_info));
                                }
                        }
                        default:
                        {
                                uint8_t *cp;

                                if (hdr->desc_type >= SSD_DESC_VENDOR_MIN && hdr->desc_type <= SSD_DESC_VENDOR_MAX)
                                        sbuf_printf(sb, "ven%02x=\"", hdr->desc_type);
                                else
                                        sbuf_printf(sb, "desc%02x=\"", hdr->desc_type);
                                cp = (uint8_t *)&hdr[1];
                                for (int i = 0; i < hdr->length; i++, cp++)
                                        sbuf_printf(sb, "%02x ", *cp);
                                sbuf_printf(sb, "\" ");
                                break;
                        }
                        } /* switch */

                        walker += sizeof(*hdr) + hdr->length;
                }
        }
        case SSD_CURRENT_ERROR:
        case SSD_DEFERRED_ERROR:
        {
                struct scsi_sense_data_fixed *sfixed = (struct scsi_sense_data_fixed *)walker;

                if (sfixed->error_code & SSD_ERRCODE_VALID) {
                        uint32_t val = scsi_4btoul(sfixed->info);

                        sbuf_printf(sb, "info=0x%x ", val);
                }
                if (SSD_FIXED_IS_PRESENT(sfixed, slen, cmd_spec_info) &&
                    SSD_FIXED_IS_FILLED(sfixed, cmd_spec_info)) {
                        uint32_t val = scsi_4btoul(sfixed->cmd_spec_info);

                        sbuf_printf(sb, "cmd_info=0x%x ", val);
                }
                if (SSD_FIXED_IS_PRESENT(sfixed, slen, fru) &&
                    SSD_FIXED_IS_FILLED(sfixed, fru)) {

                        sbuf_printf(sb, "fru=0x%x ", sfixed->fru);
                }
                if (SSD_FIXED_IS_PRESENT(sfixed, slen, sense_key_spec) &&
                    SSD_FIXED_IS_FILLED(sfixed, sense_key_spec) &&
                    (sfixed->sense_key_spec[0] & SSD_SCS_VALID) != 0) {
                        decode_sks(sb, sk, sfixed->sense_key_spec);
                }
                /* Additional bytes not reported -- vendor specific */
                /* Report the bytes present ? but can't use macros since it's at most 14 bytes */
        }
        } /* switch */
}

static void
init_scsi_delay(void *dummy __unused)
{
        int delay;

        delay = SCSI_DELAY;
        TUNABLE_INT_FETCH("kern.cam.scsi_delay", &delay);

        if (set_scsi_delay(delay) != 0) {
                printf("cam: invalid value for tunable kern.cam.scsi_delay\n");
                set_scsi_delay(SCSI_DELAY);
        }
}
SYSINIT(scsi_delay, SI_SUB_TUNABLES, SI_ORDER_ANY, init_scsi_delay, NULL);

static int
sysctl_scsi_delay(SYSCTL_HANDLER_ARGS)
{
        int error, delay;

        delay = scsi_delay;
        error = sysctl_handle_int(oidp, &delay, 0, req);
        if (error != 0 || req->newptr == NULL)
                return (error);
        return (set_scsi_delay(delay));
}
SYSCTL_PROC(_kern_cam, OID_AUTO, scsi_delay,
    CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
    0, 0, sysctl_scsi_delay, "I",
    "Delay to allow devices to settle after a SCSI bus reset (ms)");

static int
set_scsi_delay(int delay)
{
        /*
         * If someone sets this to 0, we assume that they want the
         * minimum allowable bus settle delay.
         */
        if (delay == 0) {
                printf("cam: using minimum scsi_delay (%dms)\n",
                    SCSI_MIN_DELAY);
                delay = SCSI_MIN_DELAY;
        }
        if (delay < SCSI_MIN_DELAY)
                return (EINVAL);
        scsi_delay = delay;
        return (0);
}
#endif /* _KERNEL */