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drivers/scsi/constants.c
15.4 KB
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// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* 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) |
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* Updated to SPC-4 T10/1713-D Rev 36g, D. Gilbert 20130701 |
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*/ |
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#include <linux/blkdev.h> #include <linux/module.h> #include <linux/kernel.h> #include <scsi/scsi.h> |
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#include <scsi/scsi_cmnd.h> |
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#include <scsi/scsi_device.h> #include <scsi/scsi_host.h> |
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#include <scsi/scsi_eh.h> |
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#include <scsi/scsi_dbg.h> |
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/* Commands with service actions that change the command name */ |
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#define THIRD_PARTY_COPY_OUT 0x83 #define THIRD_PARTY_COPY_IN 0x84 |
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struct sa_name_list { int opcode; const struct value_name_pair *arr; int arr_sz; }; struct value_name_pair { int value; const char * name; }; |
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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, |
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"Reassign Blocks", |
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/* 08-0d */ "Read(6)", NULL, "Write(6)", "Seek(6)", NULL, NULL, |
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/* 0e-12 */ NULL, "Read Reverse", "Write Filemarks", "Space", "Inquiry", |
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/* 13-16 */ "Verify(6)", "Recover Buffered Data", "Mode Select(6)", "Reserve(6)", /* 17-1a */ "Release(6)", "Copy", "Erase", "Mode Sense(6)", |
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/* 1b-1d */ "Start/Stop Unit", "Receive Diagnostic", "Send Diagnostic", |
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/* 1e-1f */ "Prevent/Allow Medium Removal", NULL, /* 20-22 */ NULL, NULL, NULL, /* 23-28 */ "Read Format Capacities", "Set Window", |
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"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", |
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/* 32-34 */ "Search Low", "Set Limits", "Prefetch/Read Position", |
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/* 35-37 */ "Synchronize Cache(10)", "Lock/Unlock Cache(10)", |
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"Read Defect Data(10)", /* 38-3c */ "Medium Scan", "Compare", "Copy Verify", "Write Buffer", "Read Buffer", |
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/* 3d-3f */ "Update Block", "Read Long(10)", "Write Long(10)", /* 40-41 */ "Change Definition", "Write Same(10)", |
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/* 42-48 */ "Unmap/Read sub-channel", "Read TOC/PMA/ATIP", "Read density support", "Play audio(10)", "Get configuration", |
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"Play audio msf", "Sanitize/Play audio track/index", |
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/* 49-4f */ "Play track relative(10)", "Get event status notification", |
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"Pause/resume", "Log Select", "Log Sense", "Stop play/scan", NULL, /* 50-55 */ "Xdwrite", "Xpwrite, Read disk info", "Xdread, Read track info", |
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"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", |
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/* 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, |
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/* 78-7f */ NULL, NULL, NULL, NULL, NULL, NULL, "Extended CDB", "Variable length", |
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/* 80-84 */ "Xdwrite(16)", "Rebuild(16)", "Regenerate(16)", "Third party copy out", "Third party copy in", |
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/* 85-89 */ "ATA command pass through(16)", "Access control in", |
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"Access control out", "Read(16)", "Compare and Write", |
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/* 8a-8f */ "Write(16)", "ORWrite", "Read attributes", "Write attributes", |
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"Write and verify(16)", "Verify(16)", /* 90-94 */ "Pre-fetch(16)", "Synchronize cache(16)", "Lock/unlock cache(16)", "Write same(16)", NULL, |
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/* 95-99 */ NULL, NULL, NULL, NULL, NULL, |
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/* 9a-9f */ NULL, NULL, NULL, "Service action bidirectional", "Service action in(16)", "Service action out(16)", |
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/* a0-a5 */ "Report luns", "ATA command pass through(12)/Blank", "Security protocol in", "Maintenance in", "Maintenance out", "Move medium/play audio(12)", |
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/* 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", |
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/* b5-b6 */ "Security protocol out", "Send volume tag, set streaming", |
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/* b7-b9 */ "Read defect data(12)", "Read element status", "Read CD msf", /* ba-bc */ "Redundancy group (in), Scan", |
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"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", |
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}; |
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static const struct value_name_pair maint_in_arr[] = { |
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{0x5, "Report identifying information"}, |
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{0xa, "Report target port groups"}, {0xb, "Report aliases"}, {0xc, "Report supported operation codes"}, {0xd, "Report supported task management functions"}, {0xe, "Report priority"}, |
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{0xf, "Report timestamp"}, |
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{0x10, "Management protocol in"}, |
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}; |
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#define MAINT_IN_SZ ARRAY_SIZE(maint_in_arr) |
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static const struct value_name_pair maint_out_arr[] = { |
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{0x6, "Set identifying information"}, |
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{0xa, "Set target port groups"}, {0xb, "Change aliases"}, |
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{0xc, "Remove I_T nexus"}, |
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{0xe, "Set priority"}, |
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{0xf, "Set timestamp"}, {0x10, "Management protocol out"}, |
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}; |
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#define MAINT_OUT_SZ ARRAY_SIZE(maint_out_arr) |
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static const struct value_name_pair serv_in12_arr[] = { {0x1, "Read media serial number"}, }; |
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#define SERV_IN12_SZ ARRAY_SIZE(serv_in12_arr) |
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static const struct value_name_pair serv_out12_arr[] = { {-1, "dummy entry"}, }; |
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#define SERV_OUT12_SZ ARRAY_SIZE(serv_out12_arr) |
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static const struct value_name_pair serv_bidi_arr[] = { {-1, "dummy entry"}, }; #define SERV_BIDI_SZ ARRAY_SIZE(serv_bidi_arr) |
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static const struct value_name_pair serv_in16_arr[] = { {0x10, "Read capacity(16)"}, {0x11, "Read long(16)"}, |
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{0x12, "Get LBA status"}, |
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{0x13, "Report referrals"}, |
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}; |
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#define SERV_IN16_SZ ARRAY_SIZE(serv_in16_arr) |
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static const struct value_name_pair serv_out16_arr[] = { {0x11, "Write long(16)"}, {0x1f, "Notify data transfer device(16)"}, }; |
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#define SERV_OUT16_SZ ARRAY_SIZE(serv_out16_arr) |
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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) |
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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)"}, }; |
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#define VARIABLE_LENGTH_SZ ARRAY_SIZE(variable_length_arr) |
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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}, }; |
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bool scsi_opcode_sa_name(int opcode, int service_action, const char **cdb_name, const char **sa_name) |
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{ |
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struct sa_name_list *sa_name_ptr; const struct value_name_pair *arr = NULL; int arr_sz, k; |
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*cdb_name = NULL; if (opcode >= VENDOR_SPECIFIC_CDB) return false; if (opcode < ARRAY_SIZE(cdb_byte0_names)) *cdb_name = cdb_byte0_names[opcode]; |
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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; |
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for (k = 0; k < arr_sz; ++k, ++arr) { if (service_action == arr->value) break; } |
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if (k < arr_sz) *sa_name = arr->name; return true; |
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} |
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struct error_info { unsigned short code12; /* 0x0302 looks better than 0x03,0x02 */ |
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unsigned short size; |
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}; |
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/* * 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. */ |
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static const struct error_info additional[] = |
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{ |
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#define SENSE_CODE(c, s) {c, sizeof(s)}, |
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#include "sense_codes.h" #undef SENSE_CODE |
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}; |
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static const char *additional_text = #define SENSE_CODE(c, s) s "\0" #include "sense_codes.h" #undef SENSE_CODE ; |
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struct error_info2 { unsigned char code1, code2_min, code2_max; |
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const char * str; |
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const char * fmt; }; |
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static const struct error_info2 additional2[] = |
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{ |
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{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} |
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}; /* description of the sense key values */ |
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static const char * const snstext[] = { |
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"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 */ |
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"Equal", /* C: A SEARCH DATA command found data equal, reserved in SPC-4 rev 36 */ |
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"Volume Overflow", /* D: Medium full with still data to be written */ "Miscompare", /* E: Source data and data on the medium do not agree */ |
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"Completed", /* F: command completed sense data reported, may occur for successful command */ |
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}; |
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/* Get sense key string or NULL if not available */ const char * |
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scsi_sense_key_string(unsigned char key) { if (key < ARRAY_SIZE(snstext)) |
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return snstext[key]; |
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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 * |
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scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt) { |
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int i; unsigned short code = ((asc << 8) | ascq); |
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unsigned offset = 0; |
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*fmt = NULL; |
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for (i = 0; i < ARRAY_SIZE(additional); i++) { |
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if (additional[i].code12 == code) |
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return additional_text + offset; offset += additional[i].size; } |
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for (i = 0; additional2[i].fmt; i++) { |
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if (additional2[i].code1 == asc && |
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ascq >= additional2[i].code2_min && |
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ascq <= additional2[i].code2_max) { *fmt = additional2[i].fmt; return additional2[i].str; } |
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} |
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return NULL; } EXPORT_SYMBOL(scsi_extd_sense_format); |
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static const char * const hostbyte_table[]={ |
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"DID_OK", "DID_NO_CONNECT", "DID_BUS_BUSY", "DID_TIME_OUT", "DID_BAD_TARGET", |
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"DID_ABORT", "DID_PARITY", "DID_ERROR", "DID_RESET", "DID_BAD_INTR", |
a4dfaa6f2 [SCSI] scsi: add ... |
391 |
"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE", |
f1ba8a4fe [SCSI] add DID_TA... |
392 |
"DID_TRANSPORT_DISRUPTED", "DID_TRANSPORT_FAILFAST", "DID_TARGET_FAILURE", |
1b55940b9 scsi: core: Add D... |
393 |
"DID_NEXUS_FAILURE", "DID_ALLOC_FAILURE", "DID_MEDIUM_ERROR" }; |
1da177e4c Linux-2.6.12-rc2 |
394 |
|
0ad78200b [SCSI] Mark some ... |
395 |
static const char * const driverbyte_table[]={ |
6391a1137 [SCSI] drivers/sc... |
396 |
"DRIVER_OK", "DRIVER_BUSY", "DRIVER_SOFT", "DRIVER_MEDIA", "DRIVER_ERROR", |
1da177e4c Linux-2.6.12-rc2 |
397 |
"DRIVER_INVALID", "DRIVER_TIMEOUT", "DRIVER_HARD", "DRIVER_SENSE"}; |
1da177e4c Linux-2.6.12-rc2 |
398 |
|
3cc958cc1 scsi: separate ou... |
399 |
const char *scsi_hostbyte_string(int result) |
1da177e4c Linux-2.6.12-rc2 |
400 |
{ |
3cc958cc1 scsi: separate ou... |
401 |
const char *hb_string = NULL; |
684b7fe97 [SCSI] constants.... |
402 |
int hb = host_byte(result); |
1da177e4c Linux-2.6.12-rc2 |
403 |
|
3cc958cc1 scsi: separate ou... |
404 405 |
if (hb < ARRAY_SIZE(hostbyte_table)) hb_string = hostbyte_table[hb]; |
3cc958cc1 scsi: separate ou... |
406 |
return hb_string; |
1da177e4c Linux-2.6.12-rc2 |
407 |
} |
3cc958cc1 scsi: separate ou... |
408 |
EXPORT_SYMBOL(scsi_hostbyte_string); |
684b7fe97 [SCSI] constants.... |
409 |
|
3cc958cc1 scsi: separate ou... |
410 411 412 |
const char *scsi_driverbyte_string(int result) { const char *db_string = NULL; |
3cc958cc1 scsi: separate ou... |
413 414 415 416 |
int db = driver_byte(result); if (db < ARRAY_SIZE(driverbyte_table)) db_string = driverbyte_table[db]; |
3cc958cc1 scsi: separate ou... |
417 418 419 |
return db_string; } EXPORT_SYMBOL(scsi_driverbyte_string); |
684b7fe97 [SCSI] constants.... |
420 |
|
c11c004b1 scsi: simplify sc... |
421 422 423 424 425 426 427 428 429 430 431 432 |
#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) }; |
c11c004b1 scsi: simplify sc... |
433 434 435 |
const char *scsi_mlreturn_string(int result) { |
c11c004b1 scsi: simplify sc... |
436 437 438 439 440 441 442 |
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; } |
c11c004b1 scsi: simplify sc... |
443 444 445 |
return NULL; } EXPORT_SYMBOL(scsi_mlreturn_string); |