scsicmds.h

   1 /*
   2  * scsicmds.h
   3  *
   4  * Home page of code is: http://smartmontools.sourceforge.net
   5  *
   6  * Copyright (C) 2002-8 Bruce Allen <smartmontools-support@lists.sourceforge.net>
   7  * Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
   8  *
   9  * Additional SCSI work:
  10  * Copyright (C) 2003-11 Douglas Gilbert <dgilbert@interlog.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2, or (at your option)
  15  * any later version.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * (for example COPYING); if not, write to the Free
  19  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  * This code was originally developed as a Senior Thesis by Michael Cornwell
  22  * at the Concurrent Systems Laboratory (now part of the Storage Systems
  23  * Research Center), Jack Baskin School of Engineering, University of
  24  * California, Santa Cruz. http://ssrc.soe.ucsc.edu/
  25  *
  26  * N.B. What was formerly known as "SMART" are now called "informational
  27  * exceptions" in recent t10.org drafts (i.e. recent SCSI).
  28  *
  29  */
  30
  31
  32 #ifndef SCSICMDS_H_
  33 #define SCSICMDS_H_
  34
  35 #define SCSICMDS_H_CVSID "$Id: scsicmds.h 3413 2011-09-06 21:23:00Z dpgilbert $\n"
  36
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40
  41 /* #define SCSI_DEBUG 1 */ /* Comment out to disable command debugging */
  42
  43 /* Following conditional defines just in case OS already has them defined.
  44  * If they are defined we hope they are defined correctly (for SCSI). */
  45 #ifndef TEST_UNIT_READY
  46 #define TEST_UNIT_READY 0x0
  47 #endif
  48 #ifndef LOG_SELECT
  49 #define LOG_SELECT 0x4c
  50 #endif
  51 #ifndef LOG_SENSE
  52 #define LOG_SENSE 0x4d
  53 #endif
  54 #ifndef MODE_SENSE
  55 #define MODE_SENSE 0x1a
  56 #endif
  57 #ifndef MODE_SENSE_10
  58 #define MODE_SENSE_10 0x5a
  59 #endif
  60 #ifndef MODE_SELECT
  61 #define MODE_SELECT 0x15
  62 #endif
  63 #ifndef MODE_SELECT_10
  64 #define MODE_SELECT_10 0x55
  65 #endif
  66 #ifndef INQUIRY
  67 #define INQUIRY 0x12
  68 #endif
  69 #ifndef REQUEST_SENSE
  70 #define REQUEST_SENSE  0x03
  71 #endif
  72 #ifndef RECEIVE_DIAGNOSTIC
  73 #define RECEIVE_DIAGNOSTIC  0x1c
  74 #endif
  75 #ifndef SEND_DIAGNOSTIC
  76 #define SEND_DIAGNOSTIC  0x1d
  77 #endif
  78 #ifndef READ_DEFECT_10
  79 #define READ_DEFECT_10  0x37
  80 #endif
  81 #ifndef START_STOP_UNIT
  82 #define START_STOP_UNIT  0x1b
  83 #endif
  84 #ifndef REPORT_LUNS
  85 #define REPORT_LUNS  0xa0
  86 #endif
  87 #ifndef READ_CAPACITY_10
  88 #define READ_CAPACITY_10  0x25
  89 #endif
  90 #ifndef READ_CAPACITY_16
  91 #define READ_CAPACITY_16  0x9e
  92 #endif
  93 #ifndef SAI_READ_CAPACITY_16    /* service action for READ_CAPACITY_16 */
  94 #define SAI_READ_CAPACITY_16  0x10
  95 #endif
  96
  97 #ifndef SAT_ATA_PASSTHROUGH_12
  98 #define SAT_ATA_PASSTHROUGH_12 0xa1
  99 #endif
 100 #ifndef SAT_ATA_PASSTHROUGH_16
 101 #define SAT_ATA_PASSTHROUGH_16 0x85
 102 #endif
 103
 104 typedef unsigned char UINT8;
 105 typedef signed char INT8;
 106 typedef unsigned int UINT32;
 107 typedef int INT32;
 108
 109 #define DXFER_NONE        0
 110 #define DXFER_FROM_DEVICE 1
 111 #define DXFER_TO_DEVICE   2
 112
 113 struct scsi_cmnd_io
 114 {
 115     UINT8 * cmnd;       /* [in]: ptr to SCSI command block (cdb) */
 116     size_t  cmnd_len;   /* [in]: number of bytes in SCSI command */
 117     int dxfer_dir;      /* [in]: DXFER_NONE, DXFER_FROM_DEVICE, or
 118                                  DXFER_TO_DEVICE */
 119     UINT8 * dxferp;     /* [in]: ptr to outgoing or incoming data buffer */
 120     size_t dxfer_len;   /* [in]: bytes to be transferred to/from dxferp */
 121     UINT8 * sensep;     /* [in]: ptr to sense buffer, filled when
 122                                  CHECK CONDITION status occurs */
 123     size_t max_sense_len; /* [in]: max number of bytes to write to sensep */
 124     unsigned timeout;   /* [in]: seconds, 0-> default timeout (60 seconds?) */
 125     size_t resp_sense_len;  /* [out]: sense buffer length written */
 126     UINT8 scsi_status;  /* [out]: 0->ok, 2->CHECK CONDITION, etc ... */
 127     int resid;          /* [out]: Number of bytes requested to be transferred
 128                                   less actual number transferred (0 if not
 129                                    supported) */
 130 };
 131
 132 struct scsi_sense_disect {
 133     UINT8 error_code;
 134     UINT8 sense_key;
 135     UINT8 asc;
 136     UINT8 ascq;
 137 };
 138
 139 /* Useful data from Informational Exception Control mode page (0x1c) */
 140 #define SCSI_IECMP_RAW_LEN 64
 141 struct scsi_iec_mode_page {
 142     UINT8 requestedCurrent;
 143     UINT8 gotCurrent;
 144     UINT8 requestedChangeable;
 145     UINT8 gotChangeable;
 146     UINT8 modese_len;   /* 0 (don't know), 6 or 10 */
 147     UINT8 raw_curr[SCSI_IECMP_RAW_LEN];
 148     UINT8 raw_chg[SCSI_IECMP_RAW_LEN];
 149 };
 150
 151 /* Carrier for Error counter log pages (e.g. read, write, verify ...) */
 152 struct scsiErrorCounter {
 153     UINT8 gotPC[7];
 154     UINT8 gotExtraPC;
 155     uint64_t counter[8];
 156 };
 157
 158 /* Carrier for Non-medium error log page */
 159 struct scsiNonMediumError {
 160     UINT8 gotPC0;
 161     UINT8 gotExtraPC;
 162     uint64_t counterPC0;
 163     UINT8 gotTFE_H;
 164     uint64_t counterTFE_H; /* Track following errors [Hitachi] */
 165     UINT8 gotPE_H;
 166     uint64_t counterPE_H;  /* Positioning errors [Hitachi] */
 167 };
 168
 169 /* SCSI Peripheral types (of interest) */
 170 #define SCSI_PT_DIRECT_ACCESS           0x0
 171 #define SCSI_PT_SEQUENTIAL_ACCESS       0x1
 172 #define SCSI_PT_CDROM                   0x5
 173 #define SCSI_PT_MEDIUM_CHANGER          0x8
 174 #define SCSI_PT_ENCLOSURE               0xd
 175
 176 /* ANSI SCSI-3 Log Pages retrieved by LOG SENSE. */
 177 #define SUPPORTED_LPAGES                        0x00
 178 #define BUFFER_OVERRUN_LPAGE                    0x01
 179 #define WRITE_ERROR_COUNTER_LPAGE               0x02
 180 #define READ_ERROR_COUNTER_LPAGE                0x03
 181 #define READ_REVERSE_ERROR_COUNTER_LPAGE        0x04
 182 #define VERIFY_ERROR_COUNTER_LPAGE              0x05
 183 #define NON_MEDIUM_ERROR_LPAGE                  0x06
 184 #define LAST_N_ERROR_LPAGE                      0x07
 185 #define FORMAT_STATUS_LPAGE                     0x08
 186 #define LB_PROV_LPAGE                           0x0c   /* SBC-3 */
 187 #define TEMPERATURE_LPAGE                       0x0d
 188 #define STARTSTOP_CYCLE_COUNTER_LPAGE           0x0e
 189 #define APPLICATION_CLIENT_LPAGE                0x0f
 190 #define SELFTEST_RESULTS_LPAGE                  0x10
 191 #define SS_MEDIA_LPAGE                          0x11   /* SBC-3 */
 192 #define BACKGROUND_RESULTS_LPAGE                0x15   /* SBC-3 */
 193 #define NONVOL_CACHE_LPAGE                      0x17   /* SBC-3 */
 194 #define PROTOCOL_SPECIFIC_LPAGE                 0x18
 195 #define IE_LPAGE                                0x2f
 196
 197 /* Seagate vendor specific log pages. */
 198 #define SEAGATE_CACHE_LPAGE                     0x37
 199 #define SEAGATE_FACTORY_LPAGE                   0x3e
 200
 201 /* Log page response lengths */
 202 #define LOG_RESP_SELF_TEST_LEN 0x194
 203
 204 /* See the SSC-2 document at www.t10.org . Earler note: From IBM
 205 Documentation, see http://www.storage.ibm.com/techsup/hddtech/prodspecs.htm */
 206 #define TAPE_ALERTS_LPAGE                        0x2e
 207
 208 /* ANSI SCSI-3 Mode Pages */
 209 #define VENDOR_UNIQUE_PAGE                       0x00
 210 #define READ_WRITE_ERROR_RECOVERY_PAGE           0x01
 211 #define DISCONNECT_RECONNECT_PAGE                0x02
 212 #define FORMAT_DEVICE_PAGE                       0x03
 213 #define RIGID_DISK_DRIVE_GEOMETRY_PAGE           0x04
 214 #define FLEXIBLE_DISK_PAGE                       0x05
 215 #define VERIFY_ERROR_RECOVERY_PAGE               0x07
 216 #define CACHING_PAGE                             0x08
 217 #define PERIPHERAL_DEVICE_PAGE                   0x09
 218 #define XOR_CONTROL_MODE_PAGE                    0x10
 219 #define CONTROL_MODE_PAGE                        0x0a
 220 #define MEDIUM_TYPES_SUPPORTED_PAGE              0x0b
 221 #define NOTCH_PAGE                               0x0c
 222 #define CD_DEVICE_PAGE                           0x0d
 223 #define CD_AUDIO_CONTROL_PAGE                    0x0e
 224 #define DATA_COMPRESSION_PAGE                    0x0f
 225 #define ENCLOSURE_SERVICES_MANAGEMENT_PAGE       0x14
 226 #define PROTOCOL_SPECIFIC_LUN_PAGE               0x18
 227 #define PROTOCOL_SPECIFIC_PORT_PAGE              0x19
 228 #define POWER_CONDITION_PAGE                     0x1a
 229 #define INFORMATIONAL_EXCEPTIONS_CONTROL_PAGE    0x1c
 230 #define FAULT_FAILURE_REPORTING_PAGE             0x1c
 231
 232 /* Background control mode subpage is [0x1c,0x1] */
 233 #define BACKGROUND_CONTROL_M_SUBPAGE             0x1   /* SBC-2 */
 234
 235 #define ALL_MODE_PAGES                           0x3f
 236
 237 /* Mode page control field */
 238 #define MPAGE_CONTROL_CURRENT               0
 239 #define MPAGE_CONTROL_CHANGEABLE            1
 240 #define MPAGE_CONTROL_DEFAULT               2
 241 #define MPAGE_CONTROL_SAVED                 3
 242
 243 /* defines for useful SCSI Status codes */
 244 #define SCSI_STATUS_CHECK_CONDITION     0x2
 245
 246 /* defines for useful Sense Key codes */
 247 #define SCSI_SK_NO_SENSE                0x0
 248 #define SCSI_SK_RECOVERED_ERR           0x1
 249 #define SCSI_SK_NOT_READY               0x2
 250 #define SCSI_SK_MEDIUM_ERROR            0x3
 251 #define SCSI_SK_HARDWARE_ERROR          0x4
 252 #define SCSI_SK_ILLEGAL_REQUEST         0x5
 253 #define SCSI_SK_UNIT_ATTENTION          0x6
 254 #define SCSI_SK_ABORTED_COMMAND         0xb
 255
 256 /* defines for useful Additional Sense Codes (ASCs) */
 257 #define SCSI_ASC_NOT_READY              0x4     /* more info in ASCQ code */
 258 #define SCSI_ASC_NO_MEDIUM              0x3a    /* more info in ASCQ code */
 259 #define SCSI_ASC_UNKNOWN_OPCODE         0x20
 260 #define SCSI_ASC_UNKNOWN_FIELD          0x24
 261 #define SCSI_ASC_UNKNOWN_PARAM          0x26
 262 #define SCSI_ASC_WARNING                0xb
 263 #define SCSI_ASC_IMPENDING_FAILURE      0x5d
 264
 265 #define SCSI_ASCQ_ATA_PASS_THROUGH      0x1d
 266
 267 /* Simplified error code (negative values as per errno) */
 268 #define SIMPLE_NO_ERROR                 0
 269 #define SIMPLE_ERR_NOT_READY            1
 270 #define SIMPLE_ERR_BAD_OPCODE           2
 271 #define SIMPLE_ERR_BAD_FIELD            3       /* in cbd */
 272 #define SIMPLE_ERR_BAD_PARAM            4       /* in data */
 273 #define SIMPLE_ERR_BAD_RESP             5       /* response fails sanity */
 274 #define SIMPLE_ERR_NO_MEDIUM            6       /* no medium present */
 275 #define SIMPLE_ERR_BECOMING_READY       7       /* device will be ready soon */
 276 #define SIMPLE_ERR_TRY_AGAIN            8       /* some warning, try again */
 277 #define SIMPLE_ERR_MEDIUM_HARDWARE      9       /* medium or hardware error */
 278 #define SIMPLE_ERR_UNKNOWN              10      /* unknown sense value */
 279 #define SIMPLE_ERR_ABORTED_COMMAND      11      /* most likely transport error */
 280
 281
 282 /* defines for functioncode parameter in SENDDIAGNOSTIC function */
 283 #define SCSI_DIAG_NO_SELF_TEST          0x00
 284 #define SCSI_DIAG_DEF_SELF_TEST         0xff
 285 #define SCSI_DIAG_BG_SHORT_SELF_TEST    0x01
 286 #define SCSI_DIAG_BG_EXTENDED_SELF_TEST 0x02
 287 #define SCSI_DIAG_FG_SHORT_SELF_TEST    0x05
 288 #define SCSI_DIAG_FG_EXTENDED_SELF_TEST 0x06
 289 #define SCSI_DIAG_ABORT_SELF_TEST       0x04
 290
 291
 292 /* SCSI command timeout values (units are seconds) */
 293 #define SCSI_TIMEOUT_DEFAULT    20  // should be longer than the spin up time
 294                                     // of a disk in standby mode.
 295 #define SCSI_TIMEOUT_SELF_TEST  (5 * 60 * 60)   /* allow max 5 hours for */
 296                                             /* extended foreground self test */
 297
 298
 299
 300 #define LOGPAGEHDRSIZE  4
 301
 302 class scsi_device;
 303
 304 // Print SCSI debug messages?
 305 extern unsigned char scsi_debugmode;
 306
 307 void scsi_do_sense_disect(const struct scsi_cmnd_io * in,
 308                           struct scsi_sense_disect * out);
 309
 310 int scsiSimpleSenseFilter(const struct scsi_sense_disect * sinfo);
 311
 312 const char * scsiErrString(int scsiErr);
 313
 314 int scsi_vpd_dev_id_iter(const unsigned char * initial_desig_desc,
 315                          int page_len, int * off, int m_assoc,
 316                          int m_desig_type, int m_code_set);
 317
 318 int scsi_decode_lu_dev_id(const unsigned char * b, int blen, char * s,
 319                           int slen, int * transport);
 320
 321
 322 /* STANDARD SCSI Commands  */
 323 int scsiTestUnitReady(scsi_device * device);
 324
 325 int scsiStdInquiry(scsi_device * device, UINT8 *pBuf, int bufLen);
 326
 327 int scsiInquiryVpd(scsi_device * device, int vpd_page, UINT8 *pBuf, int bufLen);
 328
 329 int scsiLogSense(scsi_device * device, int pagenum, int subpagenum, UINT8 *pBuf,
 330                  int bufLen, int known_resp_len);
 331
 332 int scsiLogSelect(scsi_device * device, int pcr, int sp, int pc, int pagenum,
 333                   int subpagenum, UINT8 *pBuf, int bufLen);
 334
 335 int scsiModeSense(scsi_device * device, int pagenum, int subpagenum, int pc,
 336                   UINT8 *pBuf, int bufLen);
 337
 338 int scsiModeSelect(scsi_device * device, int sp, UINT8 *pBuf, int bufLen);
 339
 340 int scsiModeSense10(scsi_device * device, int pagenum, int subpagenum, int pc,
 341                     UINT8 *pBuf, int bufLen);
 342
 343 int scsiModeSelect10(scsi_device * device, int sp, UINT8 *pBuf, int bufLen);
 344
 345 int scsiModePageOffset(const UINT8 * resp, int len, int modese_len);
 346
 347 int scsiRequestSense(scsi_device * device, struct scsi_sense_disect * sense_info);
 348
 349 int scsiSendDiagnostic(scsi_device * device, int functioncode, UINT8 *pBuf, int bufLen);
 350
 351 int scsiReceiveDiagnostic(scsi_device * device, int pcv, int pagenum, UINT8 *pBuf,
 352                       int bufLen);
 353
 354 int scsiReadDefect10(scsi_device * device, int req_plist, int req_glist, int dl_format,
 355                      UINT8 *pBuf, int bufLen);
 356
 357 int scsiReadCapacity10(scsi_device * device, unsigned int * last_lbp,
 358                        unsigned int * lb_sizep);
 359
 360 int scsiReadCapacity16(scsi_device * device, UINT8 *pBuf, int bufLen);
 361
 362 uint64_t scsiGetSize(scsi_device * device, unsigned int * lb_sizep);
 363
 364
 365 /* SMART specific commands */
 366 int scsiCheckIE(scsi_device * device, int hasIELogPage, int hasTempLogPage, UINT8 *asc,
 367                 UINT8 *ascq, UINT8 *currenttemp, UINT8 *triptemp);
 368
 369 int scsiFetchIECmpage(scsi_device * device, struct scsi_iec_mode_page *iecp,
 370                       int modese_len);
 371 int scsi_IsExceptionControlEnabled(const struct scsi_iec_mode_page *iecp);
 372 int scsi_IsWarningEnabled(const struct scsi_iec_mode_page *iecp);
 373 int scsiSetExceptionControlAndWarning(scsi_device * device, int enabled,
 374                             const struct scsi_iec_mode_page *iecp);
 375 void scsiDecodeErrCounterPage(unsigned char * resp,
 376                               struct scsiErrorCounter *ecp);
 377 void scsiDecodeNonMediumErrPage(unsigned char * resp,
 378                                 struct scsiNonMediumError *nmep);
 379 int scsiFetchExtendedSelfTestTime(scsi_device * device, int * durationSec,
 380                                   int modese_len);
 381 int scsiCountFailedSelfTests(scsi_device * device, int noisy);
 382 int scsiSelfTestInProgress(scsi_device * device, int * inProgress);
 383 int scsiFetchControlGLTSD(scsi_device * device, int modese_len, int current);
 384 int scsiSetControlGLTSD(scsi_device * device, int enabled, int modese_len);
 385 int scsiFetchTransportProtocol(scsi_device * device, int modese_len);
 386
 387
 388 /* T10 Standard IE Additional Sense Code strings taken from t10.org */
 389 const char* scsiGetIEString(UINT8 asc, UINT8 ascq);
 390 int scsiGetTemp(scsi_device * device, UINT8 *currenttemp, UINT8 *triptemp);
 391
 392
 393 int scsiSmartIBMOfflineTest(scsi_device * device);
 394
 395 int scsiSmartDefaultSelfTest(scsi_device * device);
 396 int scsiSmartShortSelfTest(scsi_device * device);
 397 int scsiSmartExtendSelfTest(scsi_device * device);
 398 int scsiSmartShortCapSelfTest(scsi_device * device);
 399 int scsiSmartExtendCapSelfTest(scsi_device * device);
 400 int scsiSmartSelfTestAbort(scsi_device * device);
 401
 402 const char * scsiTapeAlertsTapeDevice(unsigned short code);
 403 const char * scsiTapeAlertsChangerDevice(unsigned short code);
 404
 405 const char * scsi_get_opcode_name(UINT8 opcode);
 406 void dStrHex(const char* str, int len, int no_ascii);
 407 inline void dStrHex(const unsigned char* str, int len, int no_ascii)
 408   { dStrHex((const char *)str, len, no_ascii); }
 409
 410
 411 /* SCSI command transmission interface function declaration. Its
 412  * definition is target OS specific (see os_<OS>.c file).
 413  * Returns 0 if SCSI command successfully launched and response
 414  * received. Even when 0 is returned the caller should check
 415  * scsi_cmnd_io::scsi_status for SCSI defined errors and warnings
 416  * (e.g. CHECK CONDITION). If the SCSI command could not be issued
 417  * (e.g. device not present or not a SCSI device) or some other problem
 418  * arises (e.g. timeout) then returns a negative errno value. */
 419 // Moved to C++ interface
 420 //int do_scsi_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report);
 421
 422
 423
 424 #endif
 425