path: root/drivers/scsi/constants.c

// SPDX-License-Identifier: GPL-2.0
/*
 * ASCII values for a number of symbolic constants, printing functions,
 * etc.
 * Additions for SCSI 2 and Linux 2.2.x by D. Gilbert (990422)
 * Additions for SCSI 3+ (SPC-3 T10/1416-D Rev 07 3 May 2002)
 *   by D. Gilbert and aeb (20020609)
 * Updated to SPC-4 T10/1713-D Rev 36g, D. Gilbert 20130701
 */

#include <linux/blkdev.h>
#include <linux/module.h>
#include <linux/kernel.h>

#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_dbg.h>

/* Commands with service actions that change the command name */
#define THIRD_PARTY_COPY_OUT 0x83
#define THIRD_PARTY_COPY_IN 0x84

struct sa_name_list {
	int opcode;
	const struct value_name_pair *arr;
	int arr_sz;
};

struct value_name_pair {
	int value;
	const char * name;
};

static const char * cdb_byte0_names[] = {
/* 00-03 */ "Test Unit Ready", "Rezero Unit/Rewind", NULL, "Request Sense",
/* 04-07 */ "Format Unit/Medium", "Read Block Limits", NULL,
	    "Reassign Blocks",
/* 08-0d */ "Read(6)", NULL, "Write(6)", "Seek(6)", NULL, NULL,
/* 0e-12 */ NULL, "Read Reverse", "Write Filemarks", "Space", "Inquiry",
/* 13-16 */ "Verify(6)", "Recover Buffered Data", "Mode Select(6)",
	    "Reserve(6)",
/* 17-1a */ "Release(6)", "Copy", "Erase", "Mode Sense(6)",
/* 1b-1d */ "Start/Stop Unit", "Receive Diagnostic", "Send Diagnostic",
/* 1e-1f */ "Prevent/Allow Medium Removal", NULL,
/* 20-22 */  NULL, NULL, NULL,
/* 23-28 */ "Read Format Capacities", "Set Window",
	    "Read Capacity(10)", NULL, NULL, "Read(10)",
/* 29-2d */ "Read Generation", "Write(10)", "Seek(10)", "Erase(10)",
            "Read updated block",
/* 2e-31 */ "Write Verify(10)", "Verify(10)", "Search High", "Search Equal",
/* 32-34 */ "Search Low", "Set Limits", "Prefetch/Read Position",
/* 35-37 */ "Synchronize Cache(10)", "Lock/Unlock Cache(10)",
	    "Read Defect Data(10)",
/* 38-3c */ "Medium Scan", "Compare", "Copy Verify", "Write Buffer",
	    "Read Buffer",
/* 3d-3f */ "Update Block", "Read Long(10)",  "Write Long(10)",
/* 40-41 */ "Change Definition", "Write Same(10)",
/* 42-48 */ "Unmap/Read sub-channel", "Read TOC/PMA/ATIP",
	    "Read density support", "Play audio(10)", "Get configuration",
	    "Play audio msf", "Sanitize/Play audio track/index",
/* 49-4f */ "Play track relative(10)", "Get event status notification",
            "Pause/resume", "Log Select", "Log Sense", "Stop play/scan",
            NULL,
/* 50-55 */ "Xdwrite", "Xpwrite, Read disk info", "Xdread, Read track info",
            "Reserve track", "Send OPC info", "Mode Select(10)",
/* 56-5b */ "Reserve(10)", "Release(10)", "Repair track", "Read master cue",
            "Mode Sense(10)", "Close track/session",
/* 5c-5f */ "Read buffer capacity", "Send cue sheet", "Persistent reserve in",
            "Persistent reserve out",
/* 60-67 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
/* 68-6f */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
/* 70-77 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
/* 78-7f */ NULL, NULL, NULL, NULL, NULL, NULL, "Extended CDB",
	    "Variable length",
/* 80-84 */ "Xdwrite(16)", "Rebuild(16)", "Regenerate(16)",
	    "Third party copy out", "Third party copy in",
/* 85-89 */ "ATA command pass through(16)", "Access control in",
	    "Access control out", "Read(16)", "Compare and Write",
/* 8a-8f */ "Write(16)", "ORWrite", "Read attributes", "Write attributes",
            "Write and verify(16)", "Verify(16)",
/* 90-94 */ "Pre-fetch(16)", "Synchronize cache(16)",
            "Lock/unlock cache(16)", "Write same(16)", NULL,
/* 95-99 */ NULL, NULL, NULL, NULL, NULL,
/* 9a-9f */ NULL, NULL, NULL, "Service action bidirectional",
	    "Service action in(16)", "Service action out(16)",
/* a0-a5 */ "Report luns", "ATA command pass through(12)/Blank",
            "Security protocol in", "Maintenance in", "Maintenance out",
	    "Move medium/play audio(12)",
/* a6-a9 */ "Exchange medium", "Move medium attached", "Read(12)",
            "Play track relative(12)",
/* aa-ae */ "Write(12)", NULL, "Erase(12), Get Performance",
            "Read DVD structure", "Write and verify(12)",
/* af-b1 */ "Verify(12)", "Search data high(12)", "Search data equal(12)",
/* b2-b4 */ "Search data low(12)", "Set limits(12)",
            "Read element status attached",
/* b5-b6 */ "Security protocol out", "Send volume tag, set streaming",
/* b7-b9 */ "Read defect data(12)", "Read element status", "Read CD msf",
/* ba-bc */ "Redundancy group (in), Scan",
            "Redundancy group (out), Set cd-rom speed", "Spare (in), Play cd",
/* bd-bf */ "Spare (out), Mechanism status", "Volume set (in), Read cd",
            "Volume set (out), Send DVD structure",
};

static const struct value_name_pair maint_in_arr[] = {
	{0x5, "Report identifying information"},
	{0xa, "Report target port groups"},
	{0xb, "Report aliases"},
	{0xc, "Report supported operation codes"},
	{0xd, "Report supported task management functions"},
	{0xe, "Report priority"},
	{0xf, "Report timestamp"},
	{0x10, "Management protocol in"},
};
#define MAINT_IN_SZ ARRAY_SIZE(maint_in_arr)

static const struct value_name_pair maint_out_arr[] = {
	{0x6, "Set identifying information"},
	{0xa, "Set target port groups"},
	{0xb, "Change aliases"},
	{0xc, "Remove I_T nexus"},
	{0xe, "Set priority"},
	{0xf, "Set timestamp"},
	{0x10, "Management protocol out"},
};
#define MAINT_OUT_SZ ARRAY_SIZE(maint_out_arr)

static const struct value_name_pair serv_in12_arr[] = {
	{0x1, "Read media serial number"},
};
#define SERV_IN12_SZ ARRAY_SIZE(serv_in12_arr)

static const struct value_name_pair serv_out12_arr[] = {
	{-1, "dummy entry"},
};
#define SERV_OUT12_SZ ARRAY_SIZE(serv_out12_arr)

static const struct value_name_pair serv_bidi_arr[] = {
	{-1, "dummy entry"},
};
#define SERV_BIDI_SZ ARRAY_SIZE(serv_bidi_arr)

static const struct value_name_pair serv_in16_arr[] = {
	{0x10, "Read capacity(16)"},
	{0x11, "Read long(16)"},
	{0x12, "Get LBA status"},
	{0x13, "Report referrals"},
};
#define SERV_IN16_SZ ARRAY_SIZE(serv_in16_arr)

static const struct value_name_pair serv_out16_arr[] = {
	{0x11, "Write long(16)"},
	{0x1f, "Notify data transfer device(16)"},
};
#define SERV_OUT16_SZ ARRAY_SIZE(serv_out16_arr)

static const struct value_name_pair pr_in_arr[] = {
	{0x0, "Persistent reserve in, read keys"},
	{0x1, "Persistent reserve in, read reservation"},
	{0x2, "Persistent reserve in, report capabilities"},
	{0x3, "Persistent reserve in, read full status"},
};
#define PR_IN_SZ ARRAY_SIZE(pr_in_arr)

static const struct value_name_pair pr_out_arr[] = {
	{0x0, "Persistent reserve out, register"},
	{0x1, "Persistent reserve out, reserve"},
	{0x2, "Persistent reserve out, release"},
	{0x3, "Persistent reserve out, clear"},
	{0x4, "Persistent reserve out, preempt"},
	{0x5, "Persistent reserve out, preempt and abort"},
	{0x6, "Persistent reserve out, register and ignore existing key"},
	{0x7, "Persistent reserve out, register and move"},
};
#define PR_OUT_SZ ARRAY_SIZE(pr_out_arr)

/* SPC-4 rev 34 renamed the Extended Copy opcode to Third Party Copy Out.
   LID1 (List Identifier length: 1 byte) is the Extended Copy found in SPC-2
   and SPC-3 */
static const struct value_name_pair tpc_out_arr[] = {
	{0x0, "Extended copy(LID1)"},
	{0x1, "Extended copy(LID4)"},
	{0x10, "Populate token"},
	{0x11, "Write using token"},
	{0x1c, "Copy operation abort"},
};
#define TPC_OUT_SZ ARRAY_SIZE(tpc_out_arr)

static const struct value_name_pair tpc_in_arr[] = {
	{0x0, "Receive copy status(LID1)"},
	{0x1, "Receive copy data(LID1)"},
	{0x3, "Receive copy operating parameters"},
	{0x4, "Receive copy failure details(LID1)"},
	{0x5, "Receive copy status(LID4)"},
	{0x6, "Receive copy data(LID4)"},
	{0x7, "Receive ROD token information"},
	{0x8, "Report all ROD tokens"},
};
#define TPC_IN_SZ ARRAY_SIZE(tpc_in_arr)


static const struct value_name_pair variable_length_arr[] = {
	{0x1, "Rebuild(32)"},
	{0x2, "Regenerate(32)"},
	{0x3, "Xdread(32)"},
	{0x4, "Xdwrite(32)"},
	{0x5, "Xdwrite extended(32)"},
	{0x6, "Xpwrite(32)"},
	{0x7, "Xdwriteread(32)"},
	{0x8, "Xdwrite extended(64)"},
	{0x9, "Read(32)"},
	{0xa, "Verify(32)"},
	{0xb, "Write(32)"},
	{