v4.19.13 snapshot.
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
new file mode 100644
index 0000000..d4c2a2e
--- /dev/null
+++ b/drivers/scsi/constants.c
@@ -0,0 +1,459 @@
+// 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)"},
+ {0xc, "Write an verify(32)"},
+ {0xd, "Write same(32)"},
+ {0x8801, "Format OSD"},
+ {0x8802, "Create (osd)"},
+ {0x8803, "List (osd)"},
+ {0x8805, "Read (osd)"},
+ {0x8806, "Write (osd)"},
+ {0x8807, "Append (osd)"},
+ {0x8808, "Flush (osd)"},
+ {0x880a, "Remove (osd)"},
+ {0x880b, "Create partition (osd)"},
+ {0x880c, "Remove partition (osd)"},
+ {0x880e, "Get attributes (osd)"},
+ {0x880f, "Set attributes (osd)"},
+ {0x8812, "Create and write (osd)"},
+ {0x8815, "Create collection (osd)"},
+ {0x8816, "Remove collection (osd)"},
+ {0x8817, "List collection (osd)"},
+ {0x8818, "Set key (osd)"},
+ {0x8819, "Set master key (osd)"},
+ {0x881a, "Flush collection (osd)"},
+ {0x881b, "Flush partition (osd)"},
+ {0x881c, "Flush OSD"},
+ {0x8f7e, "Perform SCSI command (osd)"},
+ {0x8f7f, "Perform task management function (osd)"},
+};
+#define VARIABLE_LENGTH_SZ ARRAY_SIZE(variable_length_arr)
+
+static struct sa_name_list sa_names_arr[] = {
+ {VARIABLE_LENGTH_CMD, variable_length_arr, VARIABLE_LENGTH_SZ},
+ {MAINTENANCE_IN, maint_in_arr, MAINT_IN_SZ},
+ {MAINTENANCE_OUT, maint_out_arr, MAINT_OUT_SZ},
+ {PERSISTENT_RESERVE_IN, pr_in_arr, PR_IN_SZ},
+ {PERSISTENT_RESERVE_OUT, pr_out_arr, PR_OUT_SZ},
+ {SERVICE_ACTION_IN_12, serv_in12_arr, SERV_IN12_SZ},
+ {SERVICE_ACTION_OUT_12, serv_out12_arr, SERV_OUT12_SZ},
+ {SERVICE_ACTION_BIDIRECTIONAL, serv_bidi_arr, SERV_BIDI_SZ},
+ {SERVICE_ACTION_IN_16, serv_in16_arr, SERV_IN16_SZ},
+ {SERVICE_ACTION_OUT_16, serv_out16_arr, SERV_OUT16_SZ},
+ {THIRD_PARTY_COPY_IN, tpc_in_arr, TPC_IN_SZ},
+ {THIRD_PARTY_COPY_OUT, tpc_out_arr, TPC_OUT_SZ},
+ {0, NULL, 0},
+};
+
+bool scsi_opcode_sa_name(int opcode, int service_action,
+ const char **cdb_name, const char **sa_name)
+{
+ struct sa_name_list *sa_name_ptr;
+ const struct value_name_pair *arr = NULL;
+ int arr_sz, k;
+
+ *cdb_name = NULL;
+ if (opcode >= VENDOR_SPECIFIC_CDB)
+ return false;
+
+ if (opcode < ARRAY_SIZE(cdb_byte0_names))
+ *cdb_name = cdb_byte0_names[opcode];
+
+ for (sa_name_ptr = sa_names_arr; sa_name_ptr->arr; ++sa_name_ptr) {
+ if (sa_name_ptr->opcode == opcode) {
+ arr = sa_name_ptr->arr;
+ arr_sz = sa_name_ptr->arr_sz;
+ break;
+ }
+ }
+ if (!arr)
+ return false;
+
+ for (k = 0; k < arr_sz; ++k, ++arr) {
+ if (service_action == arr->value)
+ break;
+ }
+ if (k < arr_sz)
+ *sa_name = arr->name;
+
+ return true;
+}
+
+struct error_info {
+ unsigned short code12; /* 0x0302 looks better than 0x03,0x02 */
+ unsigned short size;
+};
+
+/*
+ * There are 700+ entries in this table. To save space, we don't store
+ * (code, pointer) pairs, which would make sizeof(struct
+ * error_info)==16 on 64 bits. Rather, the second element just stores
+ * the size (including \0) of the corresponding string, and we use the
+ * sum of these to get the appropriate offset into additional_text
+ * defined below. This approach saves 12 bytes per entry.
+ */
+static const struct error_info additional[] =
+{
+#define SENSE_CODE(c, s) {c, sizeof(s)},
+#include "sense_codes.h"
+#undef SENSE_CODE
+};
+
+static const char *additional_text =
+#define SENSE_CODE(c, s) s "\0"
+#include "sense_codes.h"
+#undef SENSE_CODE
+ ;
+
+struct error_info2 {
+ unsigned char code1, code2_min, code2_max;
+ const char * str;
+ const char * fmt;
+};
+
+static const struct error_info2 additional2[] =
+{
+ {0x40, 0x00, 0x7f, "Ram failure", ""},
+ {0x40, 0x80, 0xff, "Diagnostic failure on component", ""},
+ {0x41, 0x00, 0xff, "Data path failure", ""},
+ {0x42, 0x00, 0xff, "Power-on or self-test failure", ""},
+ {0x4D, 0x00, 0xff, "Tagged overlapped commands", "task tag "},
+ {0x70, 0x00, 0xff, "Decompression exception", "short algorithm id of "},
+ {0, 0, 0, NULL, NULL}
+};
+
+/* description of the sense key values */
+static const char * const snstext[] = {
+ "No Sense", /* 0: There is no sense information */
+ "Recovered Error", /* 1: The last command completed successfully
+ but used error correction */
+ "Not Ready", /* 2: The addressed target is not ready */
+ "Medium Error", /* 3: Data error detected on the medium */
+ "Hardware Error", /* 4: Controller or device failure */
+ "Illegal Request", /* 5: Error in request */
+ "Unit Attention", /* 6: Removable medium was changed, or
+ the target has been reset, or ... */
+ "Data Protect", /* 7: Access to the data is blocked */
+ "Blank Check", /* 8: Reached unexpected written or unwritten
+ region of the medium */
+ "Vendor Specific(9)",
+ "Copy Aborted", /* A: COPY or COMPARE was aborted */
+ "Aborted Command", /* B: The target aborted the command */
+ "Equal", /* C: A SEARCH DATA command found data equal,
+ reserved in SPC-4 rev 36 */
+ "Volume Overflow", /* D: Medium full with still data to be written */
+ "Miscompare", /* E: Source data and data on the medium
+ do not agree */
+ "Completed", /* F: command completed sense data reported,
+ may occur for successful command */
+};
+
+/* Get sense key string or NULL if not available */
+const char *
+scsi_sense_key_string(unsigned char key)
+{
+ if (key < ARRAY_SIZE(snstext))
+ return snstext[key];
+ return NULL;
+}
+EXPORT_SYMBOL(scsi_sense_key_string);
+
+/*
+ * Get additional sense code string or NULL if not available.
+ * This string may contain a "%x" and should be printed with ascq as arg.
+ */
+const char *
+scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt)
+{
+ int i;
+ unsigned short code = ((asc << 8) | ascq);
+ unsigned offset = 0;
+
+ *fmt = NULL;
+ for (i = 0; i < ARRAY_SIZE(additional); i++) {
+ if (additional[i].code12 == code)
+ return additional_text + offset;
+ offset += additional[i].size;
+ }
+ for (i = 0; additional2[i].fmt; i++) {
+ if (additional2[i].code1 == asc &&
+ ascq >= additional2[i].code2_min &&
+ ascq <= additional2[i].code2_max) {
+ *fmt = additional2[i].fmt;
+ return additional2[i].str;
+ }
+ }
+ return NULL;
+}
+EXPORT_SYMBOL(scsi_extd_sense_format);
+
+static const char * const hostbyte_table[]={
+"DID_OK", "DID_NO_CONNECT", "DID_BUS_BUSY", "DID_TIME_OUT", "DID_BAD_TARGET",
+"DID_ABORT", "DID_PARITY", "DID_ERROR", "DID_RESET", "DID_BAD_INTR",
+"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE",
+"DID_TRANSPORT_DISRUPTED", "DID_TRANSPORT_FAILFAST", "DID_TARGET_FAILURE",
+"DID_NEXUS_FAILURE" };
+
+static const char * const driverbyte_table[]={
+"DRIVER_OK", "DRIVER_BUSY", "DRIVER_SOFT", "DRIVER_MEDIA", "DRIVER_ERROR",
+"DRIVER_INVALID", "DRIVER_TIMEOUT", "DRIVER_HARD", "DRIVER_SENSE"};
+
+const char *scsi_hostbyte_string(int result)
+{
+ const char *hb_string = NULL;
+ int hb = host_byte(result);
+
+ if (hb < ARRAY_SIZE(hostbyte_table))
+ hb_string = hostbyte_table[hb];
+ return hb_string;
+}
+EXPORT_SYMBOL(scsi_hostbyte_string);
+
+const char *scsi_driverbyte_string(int result)
+{
+ const char *db_string = NULL;
+ int db = driver_byte(result);
+
+ if (db < ARRAY_SIZE(driverbyte_table))
+ db_string = driverbyte_table[db];
+ return db_string;
+}
+EXPORT_SYMBOL(scsi_driverbyte_string);
+
+#define scsi_mlreturn_name(result) { result, #result }
+static const struct value_name_pair scsi_mlreturn_arr[] = {
+ scsi_mlreturn_name(NEEDS_RETRY),
+ scsi_mlreturn_name(SUCCESS),
+ scsi_mlreturn_name(FAILED),
+ scsi_mlreturn_name(QUEUED),
+ scsi_mlreturn_name(SOFT_ERROR),
+ scsi_mlreturn_name(ADD_TO_MLQUEUE),
+ scsi_mlreturn_name(TIMEOUT_ERROR),
+ scsi_mlreturn_name(SCSI_RETURN_NOT_HANDLED),
+ scsi_mlreturn_name(FAST_IO_FAIL)
+};
+
+const char *scsi_mlreturn_string(int result)
+{
+ const struct value_name_pair *arr = scsi_mlreturn_arr;
+ int k;
+
+ for (k = 0; k < ARRAY_SIZE(scsi_mlreturn_arr); ++k, ++arr) {
+ if (result == arr->value)
+ return arr->name;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL(scsi_mlreturn_string);