ataidentify.cpp

   1 /*
   2  * ataidentify.cpp
   3  *
   4  * Home page of code is: http://smartmontools.sourceforge.net
   5  *
   6  * Copyright (C) 2012-13 Christian Franke <smartmontools-support@lists.sourceforge.net>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2, or (at your option)
  11  * any later version.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * (for example COPYING); If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 #include "config.h"
  19 #include "ataidentify.h"
  20
  21 const char * ataidentify_cpp_cvsid = "$Id: ataidentify.cpp 3851 2013-08-17 20:10:11Z chrfranke $"
  22   ATAIDENTIFY_H_CVSID;
  23
  24 #include "int64.h"
  25 #include "utility.h"
  26
  27
  28 // Table 12 of X3T10/0948D (ATA-2) Revision 4c, March 18, 1996
  29 // Table 9 of X3T13/2008D (ATA-3) Revision 7b, January 27, 1997
  30 // Tables 11 and 13 of T13/1153D (ATA/ATAPI-4) revision 18, August 19, 1998
  31 // Tables 20 and 22 of T13/1321D (ATA/ATAPI-5) Revision 3, February 29, 2000
  32 // Tables 27 and 29 of T13/1410D (ATA/ATAPI-6) Revision 3b, February 26, 2002
  33 // Tables 16 and 18 of T13/1532D (ATA/ATAPI-7) Volume 1 Revision 4b, April 21, 2004
  34 // Tables 29 and 39 of T13/1699-D (ATA8-ACS) Revision 6a, September 6, 2008
  35 // Tables 50 and 61 of T13/2015-D (ACS-2) Revision 7, June 22, 2011
  36 // Tables 51 and 56 of T13/2161-D (ACS-3) Revision 4g, February 27, 2013
  37
  38 const char * const identify_descriptions[] = {
  39   "  0 General configuration",
  40     ". 15 Device identifier: 0 = ATA, 1 = ATAPI",
  41     ". 14:8 ATA: Vendor specific [RET-3]",
  42     ". 14 ATAPI: Must be set to 0",
  43     ". 13 ATAPI: Reserved",
  44     ". 12:8 ATAPI: Command set: 0x05 = CD/DVD",
  45     ". 7 Removable media device",
  46     ". 6 ATA: Not removable controller and/or device [OBS-6]",
  47     ". 5:3 ATA: Vendor specific [RET-3]",
  48     ". 6:5 ATAPI: DRQ after PACKET cmd: 0x0 = 3ms, 0x2 = 50us",
  49     ". 4:3 ATAPI: Reserved",
  50     ". 2 Response incomplete",
  51     ". 1 ATA: Vendor specific [RET-3]",
  52     ". 0 ATA: Reserved",
  53     ". 1:0 ATAPI: Packet size: 0x0 = 12 byte, 0x1 = 16 byte",
  54
  55   "  1 Cylinders [OBS-6]",
  56   "  2 Specific configuration (0x37c8/738c/8c73/c837)",
  57   "  3 Heads [OBS-6]",
  58   "  4 Vendor specific [RET-3]",
  59   "  5 Vendor specific [RET-3]",
  60   "  6 Sectors per track [OBS-6]",
  61   "  7-8 Reserved for CFA (Sectors per card)",
  62   "  9 Vendor specific [RET-4]",
  63   " 10-19 Serial number (String)",
  64   " 20 Vendor specific [RET-3]",
  65   " 21 Vendor specific [RET-3]",
  66   " 22 Vendor specific bytes on READ/WRITE LONG [OBS-4]",
  67   " 23-26 Firmware revision (String)",
  68   " 27-46 Model number (String)",
  69
  70   " 47 READ/WRITE MULTIPLE support",
  71     ". 15:8 Must be set to 0x80",
  72     ". 7:0 Maximum sectors per DRQ on READ/WRITE MULTIPLE",
  73
  74   " 48 Trusted Computing feature set options",
  75     ". 15:14 Must be set to 0x1",
  76     ". 13:1 Reserved for the Trusted Computing Group",
  77     ". 0 Trusted Computing feature set supported",
  78
  79   " 49 Capabilities",
  80     ". 15:14 ATA: Reserved for IDENTIFY PACKET DEVICE",
  81     ". 15 ATAPI: Interleaved DMA supported [OBS-8]",
  82     ". 14 ATAPI: Command queuing supported [OBS-8]",
  83     ". 13 ATA: Standard standby timer values supported",
  84     ". 13 ATAPI: Overlap operation supported [OBS-8]",
  85     ". 12 ATA: Reserved for IDENTIFY PACKET DEVICE",
  86     ". 12 ATAPI: ATA software reset required [OBS-5]",
  87     ". 11 IORDY supported",
  88     ". 10 IORDY may be disabled",
  89     ". 9 LBA supported",
  90     ". 8 DMA supported",
  91     ". 7:0 Vendor specific [RET-4]",
  92
  93   " 50 Capabilities",
  94     ". 15:14 Must be set to 0x1",
  95     ". 13:2 Reserved",
  96     ". 1 Reserved [OBS-6]",
  97     ". 0 Vendor specific minimum standby timer value",
  98
  99   " 51 PIO data transfer mode [OBS-5]",
 100   " 52 Single Word DMA data transfer mode [OBS-3]",
 101
 102   " 53 Field validity / Free-fall Control",
 103     ". 15:8 Free-fall Control sensitivity",
 104     ". 7:3 Reserved",
 105     ". 2 Word 88 (Ultra DMA modes) is valid",
 106     ". 1 Words 64-70 (PIO modes) are valid",
 107     ". 0 Words 54-58 (CHS) are valid [OBS-6]",
 108
 109   " 54 Current cylinders [OBS-6]",
 110   " 55 Current heads [OBS-6]",
 111   " 56 Current sectors per track [OBS-6]",
 112   " 57-58 Current capacity in sectors (DWord) [OBS-6]",
 113
 114   " 59 Sanitize Device - READ/WRITE MULTIPLE support",
 115     ". 15 BLOCK ERASE EXT supported",
 116     ". 14 OVERWRITE EXT supported",
 117     ". 13 CRYPTO SCRAMBLE EXT supported",
 118     ". 12 Sanitize Device feature set supported",
 119     ". 11:9 Reserved",
 120     ". 8 Bits 7:0 are valid",
 121     ". 7:0 Current sectors per DRQ on READ/WRITE MULTIPLE",
 122
 123   " 60-61 User addressable sectors for 28-bit commands (DWord)",
 124   " 62 Single Word DMA modes [OBS-3]",
 125
 126   " 63 Multiword DMA modes",
 127     ". 15:11 Reserved",
 128     ". 10 Multiword DMA mode 2 selected",
 129     ". 9 Multiword DMA mode 1 selected",
 130     ". 8 Multiword DMA mode 0 selected",
 131     ". 7:3 Reserved",
 132     ". 2 Multiword DMA mode 2 and below supported",
 133     ". 1 Multiword DMA mode 1 and below supported",
 134     ". 0 Multiword DMA mode 0 supported",
 135
 136   " 64 PIO modes",
 137     ". 15:2 Reserved",
 138     ". 1 PIO mode 4 supported",
 139     ". 0 PIO mode 3 supported",
 140
 141   " 65 Minimum Multiword DMA cycle time per word in ns",
 142   " 66 Recommended Multiword DMA cycle time in ns",
 143   " 67 Minimum PIO cycle time without flow control in ns",
 144   " 68 Minimum PIO cycle time with IORDY flow control in ns",
 145
 146   " 69 Additional support",
 147     ". 15 CFast specification supported",
 148     ". 14 Deterministic data after trim supported",
 149     ". 13 LPS Alignment Error Reporting Control supported",
 150     ". 12 DCO IDENTIFY/SET DMA supported [OBS-ACS-3]",
 151     ". 11 READ BUFFER DMA supported",
 152     ". 10 WRITE BUFFER DMA supported",
 153     ". 9 SET MAX SET PASSWORD/UNLOCK DMA supported [OBS-ACS-3]",
 154     ". 8 DOWNLOAD MICROCODE DMA supported",
 155     ". 7 Reserved for IEEE 1667",
 156     ". 6 Optional ATA device 28-bit commands supported",
 157     ". 5 Trimmed LBA range(s) returning zeroed data supported",
 158     ". 4 Device encrypts all user data",
 159     ". 3 Extended number of user addressable sectors supported",
 160     ". 2 All write cache is non-volatile",
 161     ". 1:0 Reserved",
 162
 163   " 70 Reserved",
 164   " 71-74 ATA: Reserved for IDENTIFY PACKET DEVICE",
 165   " 71 ATAPI: Time in ns from PACKET to bus release [OBS-8]",
 166   " 72 ATAPI: Time in ns from SERVICE to BSY cleared [OBS-8]",
 167   " 73-74 ATAPI: Reserved",
 168
 169   " 75 Queue depth",
 170     ". 15:5 Reserved",
 171     ". 4:0 Maximum queue depth - 1",
 172
 173   " 76 Serial ATA capabilities",
 174     ". 15 READ LOG DMA EXT as equiv to READ LOG EXT supported",
 175     ". 14 Device Auto Partial to Slumber transitions supported",
 176     ". 13 Host Auto Partial to Slumber transitions supported",
 177     ". 12 NCQ priority information supported",
 178     ". 11 Unload while NCQ commands are outstanding supported",
 179     ". 10 Phy Event Counters supported",
 180     ". 9 Receipt of host initiated PM requests supported",
 181     ". 8 NCQ feature set supported",
 182     ". 7:4 Reserved for Serial ATA",
 183     ". 3 SATA Gen3 signaling speed (6.0 Gb/s) supported",
 184     ". 2 SATA Gen2 signaling speed (3.0 Gb/s) supported",
 185     ". 1 SATA Gen1 signaling speed (1.5 Gb/s) supported",
 186     ". 0 Must be set to 0",
 187
 188   " 77 Serial ATA additional capabilities", // ACS-3
 189     ". 15:7 Reserved for Serial ATA",
 190     ". 6 RECEIVE/SEND FPDMA QUEUED supported",
 191     ". 5 NCQ Queue Management supported",
 192     ". 4 NCQ Streaming supported",
 193     ". 3:1 Current Serial ATA signal speed",
 194     ". 0 Must be set to 0",
 195
 196   " 78 Serial ATA features supported",
 197     ". 15:8 Reserved for Serial ATA",
 198     ". 7 NCQ Autosense supported", // ACS-3
 199     ". 6 Software Settings Preservation supported",
 200     ". 5 Hardware Feature Control supported", // ACS-3
 201     ". 4 In-order data delivery supported",
 202     ". 3 Device initiated power management supported",
 203     ". 2 DMA Setup auto-activation supported",
 204     ". 1 Non-zero buffer offsets supported",
 205     ". 0 Must be set to 0",
 206
 207   " 79 Serial ATA features enabled",
 208     ". 15:8 Reserved for Serial ATA",
 209     ". 7 Automatic Partial to Slumber transitions enabled", // ACS-3
 210     ". 6 Software Settings Preservation enabled",
 211     ". 5 Hardware Feature Control enabled", // ACS-3
 212     ". 4 In-order data delivery enabled",
 213     ". 3 Device initiated power management enabled",
 214     ". 2 DMA Setup auto-activation enabled",
 215     ". 1 Non-zero buffer offsets enabled",
 216     ". 0 Must be set to 0",
 217
 218   " 80 Major version number",
 219     ". 15:11 Reserved",
 220     ". 10 ACS-3 supported",
 221     ". 9 ACS-2 supported",
 222     ". 8 ATA8-ACS supported",
 223     ". 7 ATA/ATAPI-7 supported",
 224     ". 6 ATA/ATAPI-6 supported",
 225     ". 5 ATA/ATAPI-5 supported",
 226     ". 4 ATA/ATAPI-4 supported [OBS-8]",
 227     ". 3 ATA-3 supported [OBS-7]",
 228     ". 2 ATA-2 supported [OBS-6]",
 229     ". 1 ATA-1 supported [OBS-5]",
 230     ". 0 Reserved",
 231
 232   " 81 Minor version number",
 233
 234   " 82 Commands and feature sets supported",
 235     ". 15 IDENTIFY DEVICE DMA supported [OBS-4]", // ATA-4 r07-r14 only
 236     ". 14 NOP supported",
 237     ". 13 READ BUFFER supported",
 238     ". 12 WRITE BUFFER supported",
 239     ". 11 WRITE VERIFY supported [OBS-4]", // ATA-4 r07-r13 only
 240     ". 10 HPA feature set supported [OBS-ACS-3]",
 241     ". 9 DEVICE RESET supported", // ATA:0, ATAPI:1
 242     ". 8 SERVICE interrupt supported [OBS-ACS-2]",
 243     ". 7 Release interrupt supported [OBS-ACS-2]",
 244     ". 6 Read look-ahead supported",
 245     ". 5 Volatile write cache supported",
 246     ". 4 PACKET feature set supported", // ATA:0, ATAPI:1
 247     ". 3 Power Management feature set supported",
 248     ". 2 Removable Media feature set supported [OBS-8]",
 249     ". 1 Security feature set supported",
 250     ". 0 SMART feature set supported",
 251
 252   " 83 Commands and feature sets supported",
 253     ". 15:14 Must be set to 0x1",
 254     ". 13 FLUSH CACHE EXT supported",
 255     ". 12 FLUSH CACHE supported",
 256     ". 11 DCO feature set supported [OBS-ACS-3]",
 257     ". 10 48-bit Address feature set supported",
 258     ". 9 AAM feature set supported [OBS-ACS-2]",
 259     ". 8 SET MAX security extension supported [OBS-ACS-3]",
 260     ". 7 Reserved for Address Offset Reserved Area Boot Method",
 261     ". 6 SET FEATURES subcommand required to spin-up",
 262     ". 5 PUIS feature set supported",
 263     ". 4 Removable Media Status Notification supported [OBS-8]",
 264     ". 3 APM feature set supported",
 265     ". 2 CFA feature set supported",
 266     ". 1 TCQ feature set supported [OBS-ACS-2]",
 267     ". 0 DOWNLOAD MICROCODE supported",
 268
 269   " 84 Commands and feature sets supported",
 270     ". 15:14 Must be set to 0x1",
 271     ". 13 IDLE IMMEDIATE with UNLOAD feature supported",
 272     ". 12:11 Reserved for TLC [OBS-ACS-3]",
 273     ". 10 URG bit for WRITE STREAM (DMA) EXT supported [OBS-8]",
 274     ". 9 URG bit for READ STREAM (DMA) EXT supported [OBS-8]",
 275     ". 8 64-bit World Wide Name supported",
 276     ". 7 WRITE DMA QUEUED FUA EXT supported",
 277     ". 6 WRITE DMA/MULTIPLE FUA EXT supported",
 278     ". 5 GPL feature set supported",
 279     ". 4 Streaming feature set supported [OBS-ACS-3]",
 280     ". 3 Media Card Pass Through Command supported [OBS-ACS-2]",
 281     ". 2 Media serial number supported", // ACS-3 r3 or later: Reserved
 282     ". 1 SMART self-test supported",
 283     ". 0 SMART error logging supported",
 284
 285   " 85 Commands and feature sets supported or enabled",
 286     ". 15 IDENTIFY DEVICE DMA supported [OBS-4]", // ATA-4 r07-r14 only
 287     ". 14 NOP supported",
 288     ". 13 READ BUFFER supported",
 289     ". 12 WRITE BUFFER supported",
 290     ". 11 WRITE VERIFY supported [OBS-4]", // ATA-4 r07-r13 only
 291     ". 10 HPA feature set supported [OBS-ACS-3]",
 292     ". 9 DEVICE RESET supported", // ATA:0, ATAPI:1
 293     ". 8 SERVICE interrupt enabled [OBS-ACS-2]",
 294     ". 7 Release interrupt enabled [OBS-ACS-2]",
 295     ". 6 Read look-ahead enabled",
 296     ". 5 Write cache enabled",
 297     ". 4 PACKET feature set supported", // ATA:0, ATAPI:1
 298     ". 3 Power Management feature set supported",
 299     ". 2 Removable Media feature set supported [OBS-8]",
 300     ". 1 Security feature set enabled",
 301     ". 0 SMART feature set enabled",
 302
 303   " 86 Commands and feature sets supported or enabled",
 304     ". 15 Words 119-120 are valid",
 305     ". 14 Reserved",
 306     ". 13 FLUSH CACHE EXT supported",
 307     ". 12 FLUSH CACHE supported",
 308     ". 11 DCO feature set supported [OBS-ACS-3]",
 309     ". 10 48-bit Address features set supported",
 310     ". 9 AAM feature set enabled [OBS-ACS-2]",
 311     ". 8 SET MAX security extension enabled [OBS-ACS-3]",
 312     ". 7 Reserved for Address Offset Reserved Area Boot Method",
 313     ". 6 SET FEATURES subcommand required to spin-up",
 314     ". 5 PUIS feature set enabled",
 315     ". 4 Removable Media Status Notification enabled [OBS-8]",
 316     ". 3 APM feature set enabled",
 317     ". 2 CFA feature set supported",
 318     ". 1 TCQ feature set supported [OBS-ACS-2]",
 319     ". 0 DOWNLOAD MICROCODE supported",
 320
 321   " 87 Commands and feature sets supported or enabled",
 322     ". 15:14 Must be set to 0x1",
 323     ". 13 IDLE IMMEDIATE with UNLOAD FEATURE supported",
 324     ". 12:11 Reserved for TLC [OBS-ACS-3]",
 325     ". 10 URG bit for WRITE STREAM (DMA) EXT supported [OBS-8]",
 326     ". 9 URG bit for READ STREAM (DMA) EXT supported [OBS-8]",
 327     ". 8 64-bit World Wide Name supported",
 328     ". 7 WRITE DMA QUEUED FUA EXT supported [OBS-ACS-2]",
 329     ". 6 WRITE DMA/MULTIPLE FUA EXT supported",
 330     ". 5 GPL feature set supported",
 331     ". 4 Valid CONFIGURE STREAM has been executed [OBS-8]",
 332     ". 3 Media Card Pass Through Command supported [OBS-ACS-2]",
 333     ". 2 Media serial number is valid",
 334     ". 1 SMART self-test supported",
 335     ". 0 SMART error logging supported",
 336
 337   " 88 Ultra DMA modes",
 338     ". 15 Reserved",
 339     ". 14 Ultra DMA mode 6 selected",
 340     ". 13 Ultra DMA mode 5 selected",
 341     ". 12 Ultra DMA mode 4 selected",
 342     ". 11 Ultra DMA mode 3 selected",
 343     ". 10 Ultra DMA mode 2 selected",
 344     ". 9 Ultra DMA mode 1 selected",
 345     ". 8 Ultra DMA mode 0 selected",
 346     ". 7 Reserved",
 347     ". 6 Ultra DMA mode 6 and below supported",
 348     ". 5 Ultra DMA mode 5 and below supported",
 349     ". 4 Ultra DMA mode 4 and below supported",
 350     ". 3 Ultra DMA mode 3 and below supported",
 351     ". 2 Ultra DMA mode 2 and below supported",
 352     ". 1 Ultra DMA mode 1 and below supported",
 353     ". 0 Ultra DMA mode 0 supported",
 354
 355   " 89 SECURITY ERASE UNIT time",
 356   " 90 ENHANCED SECURITY ERASE UNIT time",
 357   " 91 Current APM level",
 358   " 92 Master password revision code",
 359
 360   " 93 Hardware reset result (PATA)",
 361     ". 15:14 Must be set to 0x1",
 362     ". 13 Device detected CBLID- above(1)/below(0) ViHB",
 363     ". 12 Reserved",
 364     ". 11 Device 1 asserted PDIAG-",
 365     ". 10:9 Device 1 detection method: -, Jumper, CSEL, other",
 366     ". 8 Must be set to 1",
 367     ". 7 Reserved",
 368     ". 6 Device 0 responds when device 1 selected",
 369     ". 5 Device 0 detected the assertion of DASP-",
 370     ". 4 Device 0 detected the assertion of PDIAG-",
 371     ". 3 Device 0 passed diagnostics",
 372     ". 2:1 Device 0 detection method: -, Jumper, CSEL, other",
 373     ". 0 Must be set to 1",
 374
 375   " 94 AAM level [OBS-ACS-2]",
 376     ". 15:8 Recommended AAM level [OBS-ACS-2]",
 377     ". 7:0 Current AAM level [OBS-ACS-2]",
 378
 379   " 95 Stream Minimum Request Size",
 380   " 96 Streaming Transfer Time - DMA",
 381   " 97 Streaming Access Latency - DMA and PIO",
 382   " 98-99 Streaming Performance Granularity (DWord)",
 383   "100-103 User addressable sectors for 48-bit commands (QWord)",
 384   "104 Streaming Transfer Time - PIO",
 385   "105 Max blocks of LBA Range Entries per DS MANAGEMENT cmd",
 386
 387   "106 Physical sector size / logical sector size",
 388     ". 15:14 Must be set to 0x1",
 389     ". 13 Multiple logical sectors per physical sector",
 390     ". 12 Logical Sector longer than 256 words",
 391     ". 11:4 Reserved",
 392     ". 3:0 2^X logical sectors per physical sector",
 393
 394   "107 Inter-seek delay for ISO 7779 acoustic testing",
 395   "108-111 64-bit World Wide Name",
 396   "112-115 Reserved for a 128-bit World Wide Name",
 397   "116 Reserved for TLC [OBS-ACS-3]",
 398   "117-118 Logical sector size (DWord)",
 399
 400   "119 Commands and feature sets supported",
 401     ". 15:14 Must be set to 0x1",
 402     ". 13:10 Reserved",
 403     ". 9 DSN feature set supported", // ACS-3
 404     ". 8 Accessible Max Address Config feature set supported", // ACS-3
 405     ". 7 Extended Power Conditions feature set supported",
 406     ". 6 Sense Data Reporting feature set supported",
 407     ". 5 Free-fall Control feature set supported",
 408     ". 4 DOWNLOAD MICROCODE with mode 3 supported",
 409     ". 3 READ/WRITE LOG DMA EXT supported",
 410     ". 2 WRITE UNCORRECTABLE EXT supported",
 411     ". 1 Write-Read-Verify feature set supported",
 412     ". 0 Reserved for DDT [OBS-ACS-3]",
 413
 414   "120 Commands and feature sets supported or enabled",
 415     ". 15:14 Must be set to 0x1",
 416     ". 13:10 Reserved",
 417     ". 9 DSN feature set enabled", // ACS-3
 418     ". 8 Reserved",
 419     ". 7 Extended Power Conditions feature set enabled",
 420     ". 6 Sense Data Reporting feature set enabled",
 421     ". 5 Free-fall Control feature set enabled",
 422     ". 4 DOWNLOAD MICROCODE with mode 3 supported",
 423     ". 3 READ/WRITE LOG DMA EXT supported",
 424     ". 2 WRITE UNCORRECTABLE EXT supported",
 425     ". 1 Write-Read-Verify feature set enabled",
 426     ". 0 Reserved for DDT [OBS-ACS-3]",
 427
 428   "121-126 ATA: Reserved",
 429   "121-124 ATAPI: Reserved",
 430   "125 ATAPI: Byte count = 0 behavior",
 431   "126 ATAPI: Byte count = 0 behavior [OBS-6]",
 432
 433   "127 Removable Media Status Notification [OBS-8]",
 434     ". 15:1 Reserved",
 435     ". 0 Removable Media Status Notification supported",
 436
 437   "128 Security status",
 438     ". 15:9 Reserved",
 439     ". 8 Master password capability: 0 = High, 1 = Maximum",
 440     ". 7:6 Reserved",
 441     ". 5 Enhanced security erase supported",
 442     ". 4 Security count expired",
 443     ". 3 Security frozen",
 444     ". 2 Security locked",
 445     ". 1 Security enabled",
 446     ". 0 Security supported",
 447
 448   "129-159 Vendor specific",
 449
 450   "160 CFA power mode",
 451   // ". 15 Word 160 supported",
 452   // ". 14 Reserved",
 453   // ". 13 CFA power mode 1 is required for some commands",
 454   // ". 12 CFA power mode 1 disabled",
 455   // ". 11:0 Maximum current in mA",
 456   "161-167 Reserved for CFA",
 457
 458   "168 Form factor",
 459     ". 15:4 Reserved",
 460     ". 3:0 Nominal form factor: -, 5.25, 3.5, 2.5, 1.8, <1.8",
 461
 462   "169 Data Set Management support",
 463     ". 15:1 Reserved",
 464     ". 0 Trim bit in DATA SET MANAGEMENT command supported",
 465
 466   "170-173 Additional product identifier (String)",
 467   "174-175 Reserved",
 468   "176-205 Current media serial number (String)",
 469
 470   "206 SCT Command Transport",
 471     ". 15:12 Vendor Specific",
 472     ". 11:8 Reserved",
 473     ". 7 Reserved for Serial ATA",
 474     ". 6 Reserved",
 475     ". 5 SCT Data Tables supported",
 476     ". 4 SCT Feature Control supported",
 477     ". 3 SCT Error Recovery Control supported",
 478     ". 2 SCT Write Same supported",
 479     ". 1 SCT Read/Write Long supported [OBS-ACS-2]",
 480     ". 0 SCT Command Transport supported",
 481
 482   "207-208 Reserved for CE-ATA",
 483
 484   "209 Alignment of logical sectors",
 485     ". 15:14 Must be set to 0x1",
 486     ". 13:0 Logical sector offset",
 487
 488   "210-211 Write-Read-Verify sector count mode 3 (DWord)",
 489   "212-213 Write-Read-Verify sector count mode 2 (DWord)",
 490
 491   "214 NV Cache capabilities [OBS-ACS-3]",
 492     ". 15:12 NV Cache feature set version [OBS-ACS-3]",
 493     ". 11:8 NV Cache Power Mode feature set version [OBS-ACS-3]",
 494     ". 7:5 Reserved [OBS-ACS-3]",
 495     ". 4 NV Cache feature set enabled [OBS-ACS-3]",
 496     ". 3:2 Reserved",
 497     ". 1 NV Cache Power Mode feature set enabled [OBS-ACS-3]",
 498     ". 0 NV Cache Power Mode feature set supported [OBS-ACS-3]",
 499
 500   "215-216 NV Cache size in logical blocks (DWord) [OBS-ACS-3]",
 501   "217 Nominal media rotation rate",
 502   "218 Reserved",
 503
 504   "219 NV Cache options [OBS-ACS-3]",
 505     ". 15:8 Reserved [OBS-ACS-3]",
 506     ". 7:0 Estimated time to spin up in seconds [OBS-ACS-3]",
 507
 508   "220 Write-Read-Verify mode",
 509     ". 15:8 Reserved",
 510     ". 7:0 Write-Read-Verify feature set current mode",
 511
 512   "221 Reserved",
 513
 514   "222 Transport major version number",
 515     ". 15:12 Transport type: 0x0 = Parallel, 0x1 = Serial",
 516     ". 11:7 Reserved    | Reserved",
 517     ". 6 Reserved    | SATA 3.1",
 518     ". 5 Reserved    | SATA 3.0",
 519     ". 4 Reserved    | SATA 2.6",
 520     ". 3 Reserved    | SATA 2.5",
 521     ". 2 Reserved    | SATA II: Extensions",
 522     ". 1 ATA/ATAPI-7 | SATA 1.0a",
 523     ". 0 ATA8-APT    | ATA8-AST",
 524
 525   "223 Transport minor version number",
 526   "224-229 Reserved",
 527   "230-233 Extended number of user addressable sectors (QWord)",
 528   "234 Minimum blocks per DOWNLOAD MICROCODE mode 3 command",
 529   "235 Maximum blocks per DOWNLOAD MICROCODE mode 3 command",
 530   "236-254 Reserved",
 531
 532   "255 Integrity word",
 533     ". 15:8 Checksum",
 534     ". 7:0 Signature"
 535 };
 536
 537 const int num_identify_descriptions = sizeof(identify_descriptions)/sizeof(identify_descriptions[0]);
 538
 539 static inline unsigned short get_word(const void * id, int word)
 540 {
 541   const unsigned char * p = ((const unsigned char *)id) + 2 * word;
 542   return p[0] + (p[1] << 8);
 543 }
 544
 545 void ata_print_identify_data(const void * id, bool all_words, int bit_level)
 546 {
 547   // ATA or ATAPI ?
 548   unsigned short w = get_word(id, 0);
 549   bool is_atapi = ((w & 0x8000) && (w != 0x848a/*CompactFlash Signature*/));
 550
 551   int prev_word = -1, prev_bit = -1;
 552   pout("Word     %s Value   Description\n", (bit_level >= 0 ? "Bit    " : " "));
 553
 554   for (int i = 0; i < num_identify_descriptions; i++) {
 555     // Parse table entry
 556     const char * desc = identify_descriptions[i];
 557
 558     int word = prev_word, word2 = -1;
 559     int bit = -1, bit2 = -1;
 560
 561     int nc;
 562     unsigned v1, v2;
 563     if (word >= 0 && sscanf(desc, ". %u:%u %n", &v1, &v2, (nc=-1, &nc)) == 2 && nc > 0 && 16 > v1 && v1 > v2) {
 564       bit = v1; bit2 = v2;
 565     }
 566     else if (word >= 0 && sscanf(desc, ". %u %n", &v1, (nc=-1, &nc)) == 1 && nc > 0 && v1 < 16) {
 567       bit = v1;
 568     }
 569     else if (sscanf(desc, "%u-%u %n", &v1, &v2, (nc=-1, &nc)) == 2 && nc > 0 && v1 < v2 && v2 < 256) {
 570       word = v1, word2 = v2;
 571     }
 572     else if (sscanf(desc, "%u %n", &v1, (nc=-1, &nc)) == 1 && nc > 0 && v1 < 256) {
 573       word = v1;
 574     }
 575     else {
 576       pout("Error: #%d: Syntax\n", i);
 577       continue;
 578     }
 579     desc += nc;
 580
 581     // Check for ATA/ATAPI specific entries
 582     if (str_starts_with(desc, "ATA: ")) {
 583       if (is_atapi)
 584         continue;
 585       desc += sizeof("ATA: ")-1;
 586     }
 587     else if (str_starts_with(desc, "ATAPI: ")) {
 588       if (!is_atapi)
 589         continue;
 590     }
 591
 592     // Check table entry
 593     if (bit < 0) {
 594       if (word != prev_word+1) {
 595         pout("Error: #%d: Missing word %d\n", i, prev_word+1);
 596         return;
 597       }
 598       else if (prev_bit > 0) {
 599         pout("Error: #%d: Missing bit 0 from word %d\n", i, prev_word);
 600         return;
 601       }
 602     }
 603     else if (!((prev_bit < 0 && bit == 15) || bit == prev_bit-1)) {
 604       pout("Error: #%d: Missing bit %d from word %d\n", i, bit+1, word);
 605       return;
 606     }
 607
 608     w = get_word(id, word);
 609     bool w_is_set = (w != 0x0000 && w != 0xffff);
 610
 611     if (bit >= 0) {
 612       int b;
 613       if (bit2 >= 0)
 614         b = (w >> bit2) & ~(~0 << (bit-bit2+1));
 615       else
 616         b = (w >> bit) & 1;
 617
 618       if (   (bit_level >= 0 && b)
 619           || (bit_level >= 1 && w_is_set)
 620           || (bit_level >= 2 && all_words)) {
 621         if (bit2 >= 0) {
 622           // Print bitfield
 623           char valstr[20];
 624           snprintf(valstr, sizeof(valstr), "0x%0*x", (bit - bit2 + 4) >> 2, b);
 625           pout("%4d     %2d:%-2d  %6s   %s\n", word, bit, bit2, valstr, desc);
 626         }
 627         else {
 628           // Print bit
 629           pout("%4d     %2d          %u   %s\n", word, bit, b, desc);
 630         }
 631       }
 632
 633       prev_bit = (bit2 >= 0 ? bit2 : bit);
 634     }
 635     else {
 636       if (word2 >= 0) {
 637         for (int j = word+1; !w_is_set && j <= word2; j++) {
 638            if (get_word(id, j) != w)
 639              w_is_set = true;
 640         }
 641
 642         // Print word array
 643         if (all_words || w_is_set) {
 644           pout("%s%4d-%-3d  %s",
 645                (bit_level >= 0 ? "\n" : ""), word, word2,
 646                (bit_level >= 0 ? "-     " : ""));
 647
 648           if (!w_is_set) {
 649             pout("0x%02x...  %s\n", w & 0xff, desc);
 650           }
 651           else {
 652             bool is_str = !!strstr(desc, "(String)");
 653             pout(".        %s", desc);
 654
 655             for (int j = word; j <= word2; j += 4) {
 656               if (j + 2*4 < word2 && !nonempty((const unsigned char *)id + 2*j, 2*(word2-j+1))) {
 657                 // Remaining words are null
 658                 pout("\n%4d-%-3d  %s0x0000:0000:0000:00...", j, word2,
 659                      (bit_level >= 0 ? ".     " : ""));
 660                 break;
 661               }
 662               // Print 4 words in a row
 663               pout("\n%4d-%-3d  %s0x", j, (j+3 <= word2 ? j+3 : word2),
 664                    (bit_level >= 0 ? ".     " : ""));
 665               int k;
 666               for (k = 0; k < 4 && j+k <= word2; k++)
 667                 pout("%s%04x",  (k == 0 ? "" : ":"), get_word(id, j+k));
 668
 669               if (is_str) {
 670                 // Append little endian string
 671                 pout("%*s  \"", 20 - 5 * k, "");
 672                 for (k = 0; k < 4 && j+k <= word2; k++) {
 673                   char c2 = ((const char *)id)[2*(j+k)    ];
 674                   char c1 = ((const char *)id)[2*(j+k) + 1];
 675                   pout("%c%c", (' ' <= c1 && c1 <= '~' ? c1 : '.'),
 676                                (' ' <= c2 && c2 <= '~' ? c2 : '.') );
 677                 }
 678                 pout("\"");
 679               }
 680             }
 681
 682             // Print decimal value of D/QWords
 683             if (word + 1 == word2 && strstr(desc, "(DWord)"))
 684               pout("  (%u)\n", ((unsigned)get_word(id, word2) << 16) | w);
 685             else if (word + 3 == word2 && strstr(desc, "(QWord)"))
 686               pout("  (%" PRIu64 ")\n", ((uint64_t)get_word(id, word + 3) << 48)
 687                                       | ((uint64_t)get_word(id, word + 2) << 32)
 688                                       | ((unsigned)get_word(id, word + 1) << 16) | (unsigned)w);
 689             else
 690               pout("\n");
 691           }
 692         }
 693       }
 694       else {
 695         // Print word
 696         if (all_words || w_is_set)
 697           pout("%s%4d      %s0x%04x   %s\n",
 698                (bit_level >= 0 ? "\n" : ""), word,
 699                (bit_level >= 0 ? "-     " : ""), w, desc);
 700       }
 701
 702       prev_word = (word2 >= 0 ? word2 : word);
 703       prev_bit = -1;
 704     }
 705   }
 706
 707   pout("\n");
 708 }