ataidentify.cpp

   1 /*
   2  * ataidentify.cpp
   3  *
   4  * Home page of code is: http://www.smartmontools.org
   5  *
   6  * Copyright (C) 2012-18 Christian Franke
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10
  11 #include "config.h"
  12 #define __STDC_FORMAT_MACROS 1 // enable PRI* for C++
  13
  14 #include "ataidentify.h"
  15
  16 const char * ataidentify_cpp_cvsid = "$Id: ataidentify.cpp 4760 2018-08-19 18:45:53Z chrfranke $"
  17   ATAIDENTIFY_H_CVSID;
  18
  19 #include "utility.h"
  20
  21 #include <inttypes.h>
  22
  23 // Table 12 of X3T10/0948D (ATA-2) Revision 4c, March 18, 1996
  24 // Table 9 of X3T13/2008D (ATA-3) Revision 7b, January 27, 1997
  25 // Tables 11 and 13 of T13/1153D (ATA/ATAPI-4) revision 18, August 19, 1998
  26 // Tables 20 and 22 of T13/1321D (ATA/ATAPI-5) Revision 3, February 29, 2000
  27 // Tables 27 and 29 of T13/1410D (ATA/ATAPI-6) Revision 3b, February 26, 2002
  28 // Tables 16 and 18 of T13/1532D (ATA/ATAPI-7) Volume 1 Revision 4b, April 21, 2004
  29 // Tables 29 and 39 of T13/1699-D (ATA8-ACS) Revision 6a, September 6, 2008
  30 // Tables 50 and 61 of T13/2015-D (ACS-2) Revision 7, June 22, 2011
  31 // Tables 45 and 50 of T13/2161-D (ACS-3) Revision 5, October 28, 2013
  32 // Table 55 of T13/BSR INCITS 529 (ACS-4) Revision 20, October 26, 2017 (ATAPI removed)
  33
  34 const char * const identify_descriptions[] = {
  35   "  0 General configuration",
  36     ". 15 Device identifier: 0 = ATA, 1 = ATAPI",
  37     ". 14:8 ATA: Vendor specific [RET-3]",
  38     ". 14 ATAPI: Must be set to 0",
  39     ". 13 ATAPI: Reserved",
  40     ". 12:8 ATAPI: Command set: 0x05 = CD/DVD",
  41     ". 7 Removable media device [OBS-8]",
  42     ". 6 ATA: Not removable controller and/or device [OBS-6]",
  43     ". 5:3 ATA: Vendor specific [RET-3]",
  44     ". 6:5 ATAPI: DRQ after PACKET cmd: 0x0 = 3ms, 0x2 = 50us",
  45     ". 4:3 ATAPI: Reserved",
  46     ". 2 Response incomplete",
  47     ". 1 ATA: Vendor specific [RET-3]",
  48     ". 0 ATA: Reserved",
  49     ". 1:0 ATAPI: Packet size: 0x0 = 12 byte, 0x1 = 16 byte",
  50
  51   "  1 Cylinders [OBS-6]",
  52   "  2 Specific configuration (0x37c8/738c/8c73/c837)",
  53   "  3 Heads [OBS-6]",
  54   "  4 Vendor specific [RET-3]",
  55   "  5 Vendor specific [RET-3]",
  56   "  6 Sectors per track [OBS-6]",
  57   "  7-8 Reserved for CFA (Sectors per card)",
  58   "  9 Vendor specific [RET-4]",
  59   " 10-19 Serial number (String)",
  60   " 20 Vendor specific [RET-3]",
  61   " 21 Vendor specific [RET-3]",
  62   " 22 Vendor specific bytes on READ/WRITE LONG [OBS-4]",
  63   " 23-26 Firmware revision (String)",
  64   " 27-46 Model number (String)",
  65
  66   " 47 READ/WRITE MULTIPLE support",
  67     ". 15:8 Must be set to 0x80",
  68     ". 7:0 Maximum sectors per DRQ on READ/WRITE MULTIPLE",
  69
  70   " 48 Trusted Computing feature set options",
  71     ". 15:14 Must be set to 0x1",
  72     ". 13:1 Reserved for the Trusted Computing Group",
  73     ". 0 Trusted Computing feature set supported",
  74
  75   " 49 Capabilities",
  76     ". 15:14 ATA: Reserved for IDENTIFY PACKET DEVICE",
  77     ". 15 ATAPI: Interleaved DMA supported [OBS-8]",
  78     ". 14 ATAPI: Command queuing supported [OBS-8]",
  79     ". 13 ATA: Standard standby timer values supported",
  80     ". 13 ATAPI: Overlap operation supported [OBS-8]",
  81     ". 12 ATA: Reserved for IDENTIFY PACKET DEVICE",
  82     ". 12 ATAPI: ATA software reset required [OBS-5]",
  83     ". 11 IORDY supported",
  84     ". 10 IORDY may be disabled",
  85     ". 9 LBA supported",
  86     ". 8 DMA supported",
  87     ". 7:2 Reserved", // ATA-3: Vendor specific, ATA-8: Retired
  88     ". 1:0 Long Phy Sector Alignment Error reporting", // ACS-2
  89
  90   " 50 Capabilities",
  91     ". 15:14 Must be set to 0x1",
  92     ". 13:2 Reserved",
  93     ". 1 Reserved [OBS-6]",
  94     ". 0 Vendor specific minimum standby timer value",
  95
  96   " 51 PIO data transfer mode [OBS-5]",
  97   " 52 Single Word DMA data transfer mode [OBS-3]",
  98
  99   " 53 Field validity / Free-fall Control",
 100     ". 15:8 Free-fall Control sensitivity",
 101     ". 7:3 Reserved",
 102     ". 2 Word 88 (Ultra DMA modes) is valid",
 103     ". 1 Words 64-70 (PIO modes) are valid",
 104     ". 0 Words 54-58 (CHS) are valid [OBS-6]",
 105
 106   " 54 Current cylinders [OBS-6]",
 107   " 55 Current heads [OBS-6]",
 108   " 56 Current sectors per track [OBS-6]",
 109   " 57-58 Current capacity in sectors (DWord) [OBS-6]",
 110
 111   " 59 Sanitize Device - READ/WRITE MULTIPLE support",
 112     ". 15 BLOCK ERASE EXT supported",
 113     ". 14 OVERWRITE EXT supported",
 114     ". 13 CRYPTO SCRAMBLE EXT supported",
 115     ". 12 Sanitize Device feature set supported",
 116     ". 11 Cmds during sanitize as specified by this standard", // ACS-3
 117     ". 10 SANITIZE ANTIFREEZE LOCK EXT supported", // ACS-3
 118     ". 9 Reserved",
 119     ". 8 Bits 7:0 are valid [OBS-ACS-4]",
 120     ". 7:0 Current number of sectors per DRQ [OBS-ACS-4]",
 121
 122   " 60-61 User addressable sectors for 28-bit commands (DWord)",
 123   " 62 Single Word DMA modes [OBS-3]",
 124
 125   " 63 Multiword DMA modes",
 126     ". 15:11 Reserved",
 127     ". 10 Multiword DMA mode 2 selected",
 128     ". 9 Multiword DMA mode 1 selected",
 129     ". 8 Multiword DMA mode 0 selected",
 130     ". 7:3 Reserved",
 131     ". 2 Multiword DMA mode 2 and below supported",
 132     ". 1 Multiword DMA mode 1 and below supported",
 133     ". 0 Multiword DMA mode 0 supported",
 134
 135   " 64 PIO modes",
 136     ". 15:2 Reserved",
 137     ". 1 PIO mode 4 supported",
 138     ". 0 PIO mode 3 supported",
 139
 140   " 65 Minimum Multiword DMA cycle time per word in ns",
 141   " 66 Recommended Multiword DMA cycle time in ns",
 142   " 67 Minimum PIO cycle time without flow control in ns",
 143   " 68 Minimum PIO cycle time with IORDY flow control in ns",
 144
 145   " 69 Additional support",
 146     ". 15 CFast specification supported",
 147     ". 14 Deterministic data after trim supported",
 148     ". 13 LPS Alignment Error Reporting Control supported",
 149     ". 12 DCO IDENTIFY/SET DMA supported [OBS-ACS-3]",
 150     ". 11 READ BUFFER DMA supported",
 151     ". 10 WRITE BUFFER DMA supported",
 152     ". 9 SET MAX SET PASSWORD/UNLOCK DMA supported [OBS-ACS-3]",
 153     ". 8 DOWNLOAD MICROCODE DMA supported",
 154     ". 7 Reserved for IEEE 1667",
 155     ". 6 Optional ATA device 28-bit commands supported",
 156     ". 5 Trimmed LBA range(s) returning zeroed data supported",
 157     ". 4 Device encrypts all user data",
 158     ". 3 Extended number of user addressable sectors supported",
 159     ". 2 All write cache is non-volatile", // ACS-3
 160     ". 1:0 Zoned Capabilities", // ACS-4
 161
 162   " 70 Reserved",
 163   " 71-74 ATA: Reserved for IDENTIFY PACKET DEVICE",
 164   " 71 ATAPI: Time in ns from PACKET to bus release [OBS-8]",
 165   " 72 ATAPI: Time in ns from SERVICE to BSY cleared [OBS-8]",
 166   " 73-74 ATAPI: Reserved",
 167
 168   " 75 Queue depth",
 169     ". 15:5 Reserved",
 170     ". 4:0 Maximum queue depth - 1",
 171
 172   " 76 Serial ATA capabilities",
 173     ". 15 READ LOG DMA EXT as equiv to READ LOG EXT supported",
 174     ". 14 Device Auto Partial to Slumber transitions supported",
 175     ". 13 Host Auto Partial to Slumber transitions supported",
 176     ". 12 NCQ priority information supported",
 177     ". 11 Unload while NCQ commands are outstanding supported",
 178     ". 10 Phy Event Counters supported",
 179     ". 9 Receipt of host initiated PM requests supported",
 180     ". 8 NCQ feature set supported",
 181     ". 7:4 Reserved for Serial ATA",
 182     ". 3 SATA Gen3 signaling speed (6.0 Gb/s) supported",
 183     ". 2 SATA Gen2 signaling speed (3.0 Gb/s) supported",
 184     ". 1 SATA Gen1 signaling speed (1.5 Gb/s) supported",
 185     ". 0 Must be set to 0",
 186
 187   " 77 Serial ATA additional capabilities", // ACS-3
 188     ". 15:9 Reserved for Serial ATA",
 189     ". 8 Power Disable feature always enabled", // ACS-4
 190     ". 7 DevSleep to ReducedPwrState supported", // ACS-4
 191     ". 6 RECEIVE/SEND FPDMA QUEUED supported",
 192     ". 5 NCQ Queue Management supported",
 193     ". 4 NCQ Streaming supported",
 194     ". 3:1 Current Serial ATA signal speed",
 195     ". 0 Must be set to 0",
 196
 197   " 78 Serial ATA features supported",
 198     ". 15:13 Reserved for Serial ATA",
 199     ". 12 Power Disable feature supported", // ACS-4
 200     ". 11 Rebuild Assist feature set supported", // ACS-4
 201     ". 10 Reserved for Serial ATA",
 202     ". 9 Hybrid Information supported", // ACS-4
 203     ". 8 Device Sleep feature supported", // ACS-4
 204     ". 7 NCQ Autosense supported", // ACS-3
 205     ". 6 Software Settings Preservation supported",
 206     ". 5 Hardware Feature Control supported", // ACS-3
 207     ". 4 In-order data delivery supported",
 208     ". 3 Device initiated power management supported",
 209     ". 2 DMA Setup auto-activation supported",
 210     ". 1 Non-zero buffer offsets supported",
 211     ". 0 Must be set to 0",
 212
 213   " 79 Serial ATA features enabled",
 214     ". 15:12 Reserved for Serial ATA",
 215     ". 11 Rebuild Assist feature set enabled", // ACS-4
 216     ". 10 Power Disable feature enabled", // ACS-4
 217     ". 9 Hybrid Information enabled", // ACS-4
 218     ". 8 Device Sleep feature enabled", // ACS-4
 219     ". 7 Automatic Partial to Slumber transitions enabled", // ACS-3
 220     ". 6 Software Settings Preservation enabled",
 221     ". 5 Hardware Feature Control enabled", // ACS-3
 222     ". 4 In-order data delivery enabled",
 223     ". 3 Device initiated power management enabled",
 224     ". 2 DMA Setup auto-activation enabled",
 225     ". 1 Non-zero buffer offsets enabled",
 226     ". 0 Must be set to 0",
 227
 228   " 80 Major version number",
 229     ". 15:12 Reserved",
 230     ". 11 ACS-4 supported",
 231     ". 10 ACS-3 supported",
 232     ". 9 ACS-2 supported",
 233     ". 8 ATA8-ACS supported",
 234     ". 7 ATA/ATAPI-7 supported [OBS-ACS-4]",
 235     ". 6 ATA/ATAPI-6 supported [OBS-ACS-4]",
 236     ". 5 ATA/ATAPI-5 supported [OBS-ACS-4]",
 237     ". 4 ATA/ATAPI-4 supported [OBS-8]",
 238     ". 3 ATA-3 supported [OBS-7]",
 239     ". 2 ATA-2 supported [OBS-6]",
 240     ". 1 ATA-1 supported [OBS-5]",
 241     ". 0 Reserved",
 242
 243   " 81 Minor version number",
 244
 245   " 82 Commands and feature sets supported",
 246     ". 15 IDENTIFY DEVICE DMA supported [OBS-4]", // ATA-4 r07-r14 only
 247     ". 14 NOP supported",
 248     ". 13 READ BUFFER supported",
 249     ". 12 WRITE BUFFER supported",
 250     ". 11 WRITE VERIFY supported [OBS-4]", // ATA-4 r07-r13 only
 251     ". 10 HPA feature set supported [OBS-ACS-3]",
 252     ". 9 DEVICE RESET supported", // ATA:0, ATAPI:1
 253     ". 8 SERVICE interrupt supported [OBS-ACS-2]",
 254     ". 7 Release interrupt supported [OBS-ACS-2]",
 255     ". 6 Read look-ahead supported",
 256     ". 5 Volatile write cache supported",
 257     ". 4 PACKET feature set supported", // ATA:0, ATAPI:1
 258     ". 3 Power Management feature set supported",
 259     ". 2 Removable Media feature set supported [OBS-8]",
 260     ". 1 Security feature set supported",
 261     ". 0 SMART feature set supported",
 262
 263   " 83 Commands and feature sets supported",
 264     ". 15:14 Must be set to 0x1",
 265     ". 13 FLUSH CACHE EXT supported",
 266     ". 12 FLUSH CACHE supported",
 267     ". 11 DCO feature set supported [OBS-ACS-3]",
 268     ". 10 48-bit Address feature set supported",
 269     ". 9 AAM feature set supported [OBS-ACS-2]",
 270     ". 8 SET MAX security extension supported [OBS-ACS-3]",
 271     ". 7 Reserved for Addr Offset Resvd Area Boot [OBS-ACS-3]",
 272     ". 6 SET FEATURES subcommand required to spin-up",
 273     ". 5 PUIS feature set supported",
 274     ". 4 Removable Media Status Notification supported [OBS-8]",
 275     ". 3 APM feature set supported",
 276     ". 2 CFA feature set supported",
 277     ". 1 TCQ feature set supported [OBS-ACS-2]",
 278     ". 0 DOWNLOAD MICROCODE supported",
 279
 280   " 84 Commands and feature sets supported",
 281     ". 15:14 Must be set to 0x1",
 282     ". 13 IDLE IMMEDIATE with UNLOAD feature supported",
 283     ". 12:11 Reserved for TLC [OBS-ACS-3]",
 284     ". 10 URG bit for WRITE STREAM (DMA) EXT supported [OBS-8]",
 285     ". 9 URG bit for READ STREAM (DMA) EXT supported [OBS-8]",
 286     ". 8 64-bit World Wide Name supported",
 287     ". 7 WRITE DMA QUEUED FUA EXT supported [OBS-ACS-2]",
 288     ". 6 WRITE DMA/MULTIPLE FUA EXT supported",
 289     ". 5 GPL feature set supported",
 290     ". 4 Streaming feature set supported",
 291     ". 3 Media Card Pass Through Command supported [OBS-ACS-2]",
 292     ". 2 Media serial number supported [RES-ACS-3]",
 293     ". 1 SMART self-test supported",
 294     ". 0 SMART error logging supported",
 295
 296   " 85 Commands and feature sets supported or enabled",
 297     ". 15 IDENTIFY DEVICE DMA supported [OBS-4]", // ATA-4 r07-r14 only
 298     ". 14 NOP supported",
 299     ". 13 READ BUFFER supported",
 300     ". 12 WRITE BUFFER supported",
 301     ". 11 WRITE VERIFY supported [OBS-4]", // ATA-4 r07-r13 only
 302     ". 10 HPA feature set supported [OBS-ACS-3]",
 303     ". 9 DEVICE RESET supported", // ATA:0, ATAPI:1
 304     ". 8 SERVICE interrupt enabled [OBS-ACS-2]",
 305     ". 7 Release interrupt enabled [OBS-ACS-2]",
 306     ". 6 Read look-ahead enabled",
 307     ". 5 Write cache enabled",
 308     ". 4 PACKET feature set supported", // ATA:0, ATAPI:1
 309     ". 3 Power Management feature set supported",
 310     ". 2 Removable Media feature set supported [OBS-8]",
 311     ". 1 Security feature set enabled",
 312     ". 0 SMART feature set enabled",
 313
 314   " 86 Commands and feature sets supported or enabled",
 315     ". 15 Words 119-120 are valid",
 316     ". 14 Reserved",
 317     ". 13 FLUSH CACHE EXT supported",
 318     ". 12 FLUSH CACHE supported",
 319     ". 11 DCO feature set supported [OBS-ACS-3]",
 320     ". 10 48-bit Address features set supported",
 321     ". 9 AAM feature set enabled [OBS-ACS-2]",
 322     ". 8 SET MAX security extension enabled [OBS-ACS-3]",
 323     ". 7 Reserved for Addr Offset Resvd Area Boot [OBS-ACS-3]",
 324     ". 6 SET FEATURES subcommand required to spin-up",
 325     ". 5 PUIS feature set enabled",
 326     ". 4 Removable Media Status Notification enabled [OBS-8]",
 327     ". 3 APM feature set enabled",
 328     ". 2 CFA feature set supported",
 329     ". 1 TCQ feature set supported [OBS-ACS-2]",
 330     ". 0 DOWNLOAD MICROCODE supported",
 331
 332   " 87 Commands and feature sets supported or enabled",
 333     ". 15:14 Must be set to 0x1",
 334     ". 13 IDLE IMMEDIATE with UNLOAD FEATURE supported",
 335     ". 12:11 Reserved for TLC [OBS-ACS-3]",
 336     ". 10 URG bit for WRITE STREAM (DMA) EXT supported [OBS-8]",
 337     ". 9 URG bit for READ STREAM (DMA) EXT supported [OBS-8]",
 338     ". 8 64-bit World Wide Name supported",
 339     ". 7 WRITE DMA QUEUED FUA EXT supported [OBS-ACS-2]",
 340     ". 6 WRITE DMA/MULTIPLE FUA EXT supported",
 341     ". 5 GPL feature set supported",
 342     ". 4 Valid CONFIGURE STREAM has been executed [OBS-8]",
 343     ". 3 Media Card Pass Through Command supported [OBS-ACS-2]",
 344     ". 2 Media serial number is valid",
 345     ". 1 SMART self-test supported",
 346     ". 0 SMART error logging supported",
 347
 348   " 88 Ultra DMA modes",
 349     ". 15 Reserved",
 350     ". 14 Ultra DMA mode 6 selected",
 351     ". 13 Ultra DMA mode 5 selected",
 352     ". 12 Ultra DMA mode 4 selected",
 353     ". 11 Ultra DMA mode 3 selected",
 354     ". 10 Ultra DMA mode 2 selected",
 355     ". 9 Ultra DMA mode 1 selected",
 356     ". 8 Ultra DMA mode 0 selected",
 357     ". 7 Reserved",
 358     ". 6 Ultra DMA mode 6 and below supported",
 359     ". 5 Ultra DMA mode 5 and below supported",
 360     ". 4 Ultra DMA mode 4 and below supported",
 361     ". 3 Ultra DMA mode 3 and below supported",
 362     ". 2 Ultra DMA mode 2 and below supported",
 363     ". 1 Ultra DMA mode 1 and below supported",
 364     ". 0 Ultra DMA mode 0 supported",
 365
 366   " 89 SECURITY ERASE UNIT time",
 367     ". 15 Bits 14:8 of value are valid", // ACS-3
 368     ". 14:0 SECURITY ERASE UNIT time value", // value*2 minutes
 369
 370   " 90 ENHANCED SECURITY ERASE UNIT time",
 371     ". 15 Bits 14:8 of value are valid", // ACS-3
 372     ". 14:0 ENHANCED SECURITY ERASE UNIT time value", // value*2 minutes
 373
 374   " 91 Current APM level",
 375     ". 15:8 Reserved", // ACS-3
 376     ". 7:0 Current APM level value",
 377
 378   " 92 Master Password Identifier", // ATA-7: Master Password Revision Code
 379
 380   " 93 Hardware reset result (PATA)",
 381     ". 15:14 Must be set to 0x1",
 382     ". 13 Device detected CBLID- above(1)/below(0) ViHB",
 383     ". 12 Reserved",
 384     ". 11 Device 1 asserted PDIAG-",
 385     ". 10:9 Device 1 detection method: -, Jumper, CSEL, other",
 386     ". 8 Must be set to 1",
 387     ". 7 Reserved",
 388     ". 6 Device 0 responds when device 1 selected",
 389     ". 5 Device 0 detected the assertion of DASP-",
 390     ". 4 Device 0 detected the assertion of PDIAG-",
 391     ". 3 Device 0 passed diagnostics",
 392     ". 2:1 Device 0 detection method: -, Jumper, CSEL, other",
 393     ". 0 Must be set to 1",
 394
 395   " 94 AAM level [OBS-ACS-2]",
 396     ". 15:8 Recommended AAM level [OBS-ACS-2]",
 397     ". 7:0 Current AAM level [OBS-ACS-2]",
 398
 399   " 95 Stream Minimum Request Size",
 400   " 96 Streaming Transfer Time - DMA",
 401   " 97 Streaming Access Latency - DMA and PIO",
 402   " 98-99 Streaming Performance Granularity (DWord)",
 403   "100-103 User addressable sectors for 48-bit commands (QWord)",
 404   "104 Streaming Transfer Time - PIO",
 405   "105 Max blocks of LBA Range Entries per DS MANAGEMENT cmd",
 406
 407   "106 Physical sector size / logical sector size",
 408     ". 15:14 Must be set to 0x1",
 409     ". 13 Multiple logical sectors per physical sector",
 410     ". 12 Logical Sector longer than 256 words",
 411     ". 11:4 Reserved",
 412     ". 3:0 2^X logical sectors per physical sector",
 413
 414   "107 Inter-seek delay for ISO 7779 acoustic testing",
 415   "108-111 World Wide Name",
 416   "112-115 Reserved", // ATA-7: Reserved for world wide name extension to 128 bits
 417   "116 Reserved for TLC [OBS-ACS-3]",
 418   "117-118 Logical sector size (DWord)",
 419
 420   "119 Commands and feature sets supported",
 421     ". 15:14 Must be set to 0x1",
 422     ". 13:10 Reserved",
 423     ". 9 DSN feature set supported", // ACS-3
 424     ". 8 Accessible Max Address Config feature set supported", // ACS-3
 425     ". 7 Extended Power Conditions feature set supported",
 426     ". 6 Sense Data Reporting feature set supported",
 427     ". 5 Free-fall Control feature set supported",
 428     ". 4 DOWNLOAD MICROCODE with mode 3 supported",
 429     ". 3 READ/WRITE LOG DMA EXT supported",
 430     ". 2 WRITE UNCORRECTABLE EXT supported",
 431     ". 1 Write-Read-Verify feature set supported",
 432     ". 0 Reserved for DDT [OBS-ACS-3]",
 433
 434   "120 Commands and feature sets supported or enabled",
 435     ". 15:14 Must be set to 0x1",
 436     ". 13:10 Reserved",
 437     ". 9 DSN feature set enabled", // ACS-3
 438     ". 8 Reserved",
 439     ". 7 Extended Power Conditions feature set enabled",
 440     ". 6 Sense Data Reporting feature set enabled",
 441     ". 5 Free-fall Control feature set enabled",
 442     ". 4 DOWNLOAD MICROCODE with mode 3 supported",
 443     ". 3 READ/WRITE LOG DMA EXT supported",
 444     ". 2 WRITE UNCORRECTABLE EXT supported",
 445     ". 1 Write-Read-Verify feature set enabled",
 446     ". 0 Reserved for DDT [OBS-ACS-3]",
 447
 448   "121-126 ATA: Reserved",
 449   "121-124 ATAPI: Reserved",
 450   "125 ATAPI: Byte count = 0 behavior",
 451   "126 ATAPI: Byte count = 0 behavior [OBS-6]",
 452
 453   "127 Removable Media Status Notification [OBS-8]",
 454     ". 15:1 Reserved",
 455     ". 0 Removable Media Status Notification supported",
 456
 457   "128 Security status",
 458     ". 15:9 Reserved",
 459     ". 8 Master password capability: 0 = High, 1 = Maximum",
 460     ". 7:6 Reserved",
 461     ". 5 Enhanced security erase supported",
 462     ". 4 Security count expired",
 463     ". 3 Security frozen",
 464     ". 2 Security locked",
 465     ". 1 Security enabled",
 466     ". 0 Security supported",
 467
 468   "129-159 Vendor specific",
 469
 470   "160 CFA power mode",
 471   // ". 15 Word 160 supported",
 472   // ". 14 Reserved",
 473   // ". 13 CFA power mode 1 is required for some commands",
 474   // ". 12 CFA power mode 1 disabled",
 475   // ". 11:0 Maximum current in mA",
 476   "161-167 Reserved for CFA",
 477
 478   "168 Form factor",
 479     ". 15:4 Reserved",
 480     ". 3:0 Nominal form factor: -, 5.25, 3.5, 2.5, 1.8, ...", // <1.8, ACS-4: mSATA, M.2, ...
 481
 482   "169 DATA SET MANAGEMENT command support",
 483     ". 15:1 Reserved",
 484     ". 0 Trim bit in DATA SET MANAGEMENT command supported",
 485
 486   "170-173 Additional product identifier (String)",
 487   "174-175 Reserved",
 488   "176-205 Current media serial number (String)",
 489
 490   "206 SCT Command Transport",
 491     ". 15:12 Vendor specific",
 492     ". 11:8 Reserved",
 493     ". 7 Reserved for Serial ATA",
 494     ". 6 Reserved",
 495     ". 5 SCT Data Tables supported",
 496     ". 4 SCT Feature Control supported",
 497     ". 3 SCT Error Recovery Control supported",
 498     ". 2 SCT Write Same supported",
 499     ". 1 SCT Read/Write Long supported [OBS-ACS-2]",
 500     ". 0 SCT Command Transport supported",
 501
 502   "207-208 Reserved", // ATA-8: Reserved for CE-ATA
 503
 504   "209 Alignment of logical sectors",
 505     ". 15:14 Must be set to 0x1",
 506     ". 13:0 Logical sector offset",
 507
 508   "210-211 Write-Read-Verify sector count mode 3 (DWord)",
 509   "212-213 Write-Read-Verify sector count mode 2 (DWord)",
 510
 511   "214 NV Cache capabilities [OBS-ACS-3]",
 512     ". 15:12 NV Cache feature set version [OBS-ACS-3]",
 513     ". 11:8 NV Cache Power Mode feature set version [OBS-ACS-3]",
 514     ". 7:5 Reserved [OBS-ACS-3]",
 515     ". 4 NV Cache feature set enabled [OBS-ACS-3]",
 516     ". 3:2 Reserved",
 517     ". 1 NV Cache Power Mode feature set enabled [OBS-ACS-3]",
 518     ". 0 NV Cache Power Mode feature set supported [OBS-ACS-3]",
 519
 520   "215-216 NV Cache size in logical blocks (DWord) [OBS-ACS-3]",
 521   "217 Nominal media rotation rate",
 522   "218 Reserved",
 523
 524   "219 NV Cache options [OBS-ACS-3]",
 525     ". 15:8 Reserved [OBS-ACS-3]",
 526     ". 7:0 Estimated time to spin up in seconds [OBS-ACS-3]",
 527
 528   "220 Write-Read-Verify mode",
 529     ". 15:8 Reserved",
 530     ". 7:0 Write-Read-Verify feature set current mode",
 531
 532   "221 Reserved",
 533
 534   "222 Transport major version number",
 535     ". 15:12 Transport: 0x0 = Parallel, 0x1 = Serial, 0xe = PCIe", // PCIe: ACS-4
 536     ". 11:9 Reserved    | Reserved",
 537     ". 8 Reserved    | SATA 3.3", // ACS-4
 538     ". 7 Reserved    | SATA 3.2", // ACS-4
 539     ". 6 Reserved    | SATA 3.1", // ACS-3
 540     ". 5 Reserved    | SATA 3.0", // ACS-2
 541     ". 4 Reserved    | SATA 2.6",
 542     ". 3 Reserved    | SATA 2.5",
 543     ". 2 Reserved    | SATA II: Extensions",
 544     ". 1 ATA/ATAPI-7 | SATA 1.0a",
 545     ". 0 ATA8-APT    | ATA8-AST",
 546
 547   "223 Transport minor version number",
 548   "224-229 Reserved",
 549   "230-233 Extended number of user addressable sectors (QWord)",
 550   "234 Minimum blocks per DOWNLOAD MICROCODE mode 3 command",
 551   "235 Maximum blocks per DOWNLOAD MICROCODE mode 3 command",
 552   "236-254 Reserved",
 553
 554   "255 Integrity word",
 555     ". 15:8 Checksum",
 556     ". 7:0 Signature"
 557 };
 558
 559 const int num_identify_descriptions = sizeof(identify_descriptions)/sizeof(identify_descriptions[0]);
 560
 561 static inline unsigned short get_word(const void * id, int word)
 562 {
 563   const unsigned char * p = ((const unsigned char *)id) + 2 * word;
 564   return p[0] + (p[1] << 8);
 565 }
 566
 567 void ata_print_identify_data(const void * id, bool all_words, int bit_level)
 568 {
 569   // ATA or ATAPI ?
 570   unsigned short w = get_word(id, 0);
 571   bool is_atapi = ((w & 0x8000) && (w != 0x848a/*CompactFlash Signature*/));
 572
 573   int prev_word = -1, prev_bit = -1;
 574   pout("Word     %s Value   Description\n", (bit_level >= 0 ? "Bit    " : " "));
 575
 576   for (int i = 0; i < num_identify_descriptions; i++) {
 577     // Parse table entry
 578     const char * desc = identify_descriptions[i];
 579
 580     int word = prev_word, word2 = -1;
 581     int bit = -1, bit2 = -1;
 582
 583     int nc;
 584     unsigned v1, v2;
 585     if (word >= 0 && sscanf(desc, ". %u:%u %n", &v1, &v2, (nc=-1, &nc)) == 2 && nc > 0 && 16 > v1 && v1 > v2) {
 586       bit = v1; bit2 = v2;
 587     }
 588     else if (word >= 0 && sscanf(desc, ". %u %n", &v1, (nc=-1, &nc)) == 1 && nc > 0 && v1 < 16) {
 589       bit = v1;
 590     }
 591     else if (sscanf(desc, "%u-%u %n", &v1, &v2, (nc=-1, &nc)) == 2 && nc > 0 && v1 < v2 && v2 < 256) {
 592       word = v1, word2 = v2;
 593     }
 594     else if (sscanf(desc, "%u %n", &v1, (nc=-1, &nc)) == 1 && nc > 0 && v1 < 256) {
 595       word = v1;
 596     }
 597     else {
 598       pout("Error: #%d: Syntax\n", i);
 599       continue;
 600     }
 601     desc += nc;
 602
 603     // Check for ATA/ATAPI specific entries
 604     if (str_starts_with(desc, "ATA: ")) {
 605       if (is_atapi)
 606         continue;
 607       desc += sizeof("ATA: ")-1;
 608     }
 609     else if (str_starts_with(desc, "ATAPI: ")) {
 610       if (!is_atapi)
 611         continue;
 612     }
 613
 614     // Check table entry
 615     if (bit < 0) {
 616       if (word != prev_word+1) {
 617         pout("Error: #%d: Missing word %d\n", i, prev_word+1);
 618         return;
 619       }
 620       else if (prev_bit > 0) {
 621         pout("Error: #%d: Missing bit 0 from word %d\n", i, prev_word);
 622         return;
 623       }
 624     }
 625     else if (!((prev_bit < 0 && bit == 15) || bit == prev_bit-1)) {
 626       pout("Error: #%d: Missing bit %d from word %d\n", i, bit+1, word);
 627       return;
 628     }
 629
 630     w = get_word(id, word);
 631     bool w_is_set = (w != 0x0000 && w != 0xffff);
 632
 633     if (bit >= 0) {
 634       int b;
 635       if (bit2 >= 0)
 636         b = (w >> bit2) & ~(~0U << (bit-bit2+1));
 637       else
 638         b = (w >> bit) & 1;
 639
 640       if (   (bit_level >= 0 && b)
 641           || (bit_level >= 1 && w_is_set)
 642           || (bit_level >= 2 && all_words)) {
 643         if (bit2 >= 0) {
 644           // Print bitfield
 645           char valstr[20];
 646           snprintf(valstr, sizeof(valstr), "0x%0*x", (bit - bit2 + 4) >> 2, b);
 647           pout("%4d     %2d:%-2d  %6s   %s\n", word, bit, bit2, valstr, desc);
 648         }
 649         else {
 650           // Print bit
 651           pout("%4d     %2d          %u   %s\n", word, bit, b, desc);
 652         }
 653       }
 654
 655       prev_bit = (bit2 >= 0 ? bit2 : bit);
 656     }
 657     else {
 658       if (word2 >= 0) {
 659         for (int j = word+1; !w_is_set && j <= word2; j++) {
 660            if (get_word(id, j) != w)
 661              w_is_set = true;
 662         }
 663
 664         // Print word array
 665         if (all_words || w_is_set) {
 666           pout("%s%4d-%-3d  %s",
 667                (bit_level >= 0 ? "\n" : ""), word, word2,
 668                (bit_level >= 0 ? "-     " : ""));
 669
 670           if (!w_is_set) {
 671             pout("0x%02x...  %s\n", w & 0xff, desc);
 672           }
 673           else {
 674             bool is_str = !!strstr(desc, "(String)");
 675             pout(".        %s", desc);
 676
 677             for (int j = word; j <= word2; j += 4) {
 678               if (j + 2*4 < word2 && !nonempty((const unsigned char *)id + 2*j, 2*(word2-j+1))) {
 679                 // Remaining words are null
 680                 pout("\n%4d-%-3d  %s0x0000:0000:0000:00...", j, word2,
 681                      (bit_level >= 0 ? ".     " : ""));
 682                 break;
 683               }
 684               // Print 4 words in a row
 685               pout("\n%4d-%-3d  %s0x", j, (j+3 <= word2 ? j+3 : word2),
 686                    (bit_level >= 0 ? ".     " : ""));
 687               int k;
 688               for (k = 0; k < 4 && j+k <= word2; k++)
 689                 pout("%s%04x",  (k == 0 ? "" : ":"), get_word(id, j+k));
 690
 691               if (is_str) {
 692                 // Append little endian string
 693                 pout("%*s  \"", 20 - 5 * k, "");
 694                 for (k = 0; k < 4 && j+k <= word2; k++) {
 695                   char c2 = ((const char *)id)[2*(j+k)    ];
 696                   char c1 = ((const char *)id)[2*(j+k) + 1];
 697                   pout("%c%c", (' ' <= c1 && c1 <= '~' ? c1 : '.'),
 698                                (' ' <= c2 && c2 <= '~' ? c2 : '.') );
 699                 }
 700                 pout("\"");
 701               }
 702             }
 703
 704             // Print decimal value of D/QWords
 705             if (word + 1 == word2 && strstr(desc, "(DWord)"))
 706               pout("  (%u)\n", ((unsigned)get_word(id, word2) << 16) | w);
 707             else if (word + 3 == word2 && strstr(desc, "(QWord)"))
 708               pout("  (%" PRIu64 ")\n", ((uint64_t)get_word(id, word + 3) << 48)
 709                                       | ((uint64_t)get_word(id, word + 2) << 32)
 710                                       | ((unsigned)get_word(id, word + 1) << 16) | (unsigned)w);
 711             else
 712               pout("\n");
 713           }
 714         }
 715       }
 716       else {
 717         // Print word
 718         if (all_words || w_is_set)
 719           pout("%s%4d      %s0x%04x   %s\n",
 720                (bit_level >= 0 ? "\n" : ""), word,
 721                (bit_level >= 0 ? "-     " : ""), w, desc);
 722       }
 723
 724       prev_word = (word2 >= 0 ? word2 : word);
 725       prev_bit = -1;
 726     }
 727   }
 728
 729   pout("\n");
 730 }