MdePkg/Include/IndustryStandard/Atapi.h

   1 /** @file
   2   This file contains just some basic definitions that are needed by drivers
   3   that dealing with ATA/ATAPI interface.
   4
   5 Copyright (c) 2007 - 2008, Intel Corporation
   6 All rights reserved. This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #ifndef _ATAPI_H_
  17 #define _ATAPI_H_
  18
  19 #pragma pack(1)
  20
  21
  22 ///
  23 /// ATAPI_IDENTIFY_DATA is defined in ATA-6
  24 ///
  25 typedef struct {
  26     UINT16  config;             ///< General Configuration
  27     UINT16  obsolete_1;
  28     UINT16  specific_config;
  29     UINT16  obsolete_3;
  30     UINT16  retired_4_5[2];
  31     UINT16  obsolete_6;
  32     UINT16  cfa_reserved_7_8[2];
  33     UINT16  retired_9;
  34     CHAR8   SerialNo[20];       ///< ASCII
  35     UINT16  retired_20_21[2];
  36     UINT16  obsolete_22;
  37     CHAR8   FirmwareVer[8];     ///< ASCII
  38     CHAR8   ModelName[40];      ///< ASCII
  39     UINT16  multi_sector_cmd_max_sct_cnt;
  40     UINT16  reserved_48;
  41     UINT16  capabilities_49;
  42     UINT16  capabilities_50;
  43     UINT16  obsolete_51_52[2];
  44     UINT16  field_validity;
  45     UINT16  obsolete_54_58[5];
  46     UINT16  mutil_sector_setting;
  47     UINT16  user_addressable_sectors_lo;
  48     UINT16  user_addressable_sectors_hi;
  49     UINT16  obsolete_62;
  50     UINT16  multi_word_dma_mode;
  51     UINT16  advanced_pio_modes;
  52     UINT16  min_multi_word_dma_cycle_time;
  53     UINT16  rec_multi_word_dma_cycle_time;
  54     UINT16  min_pio_cycle_time_without_flow_control;
  55     UINT16  min_pio_cycle_time_with_flow_control;
  56     UINT16  reserved_69_74[6];
  57     UINT16  queue_depth;
  58     UINT16  reserved_76_79[4];
  59     UINT16  major_version_no;
  60     UINT16  minor_version_no;
  61     UINT16  cmd_set_support_82;
  62     UINT16  cmd_set_support_83;
  63     UINT16  cmd_feature_support;
  64     UINT16  cmd_feature_enable_85;
  65     UINT16  cmd_feature_enable_86;
  66     UINT16  cmd_feature_default;
  67     UINT16  ultra_dma_select;
  68     UINT16  time_required_for_sec_erase;
  69     UINT16  time_required_for_enhanced_sec_erase;
  70     UINT16  current_advanced_power_mgmt_value;
  71     UINT16  master_pwd_revison_code;
  72     UINT16  hardware_reset_result;
  73     UINT16  current_auto_acoustic_mgmt_value;
  74     UINT16  reserved_95_99[5];
  75     UINT16  max_user_lba_for_48bit_addr[4];
  76     UINT16  reserved_104_126[23];
  77     UINT16  removable_media_status_notification_support;
  78     UINT16  security_status;
  79     UINT16  vendor_data_129_159[31];
  80     UINT16  cfa_power_mode;
  81     UINT16  cfa_reserved_161_175[15];
  82     UINT16  current_media_serial_no[30];
  83     UINT16  reserved_206_254[49];
  84     UINT16  integrity_word;
  85 } ATAPI_IDENTIFY_DATA;
  86
  87 ///
  88 /// the front of part is defined in ATAPI Removable Rewritable Specification
  89 ///
  90 typedef struct {
  91   UINT8 peripheral_type;
  92   UINT8 RMB;
  93   UINT8 version;
  94   UINT8 response_data_format;
  95   UINT8 addnl_length;
  96   UINT8 reserved_5;
  97   UINT8 reserved_6;
  98   UINT8 reserved_7;
  99   UINT8 vendor_info[8];
 100   UINT8 product_id[16];
 101   UINT8 product_revision_level[4];
 102   UINT8 vendor_specific_36_55[55 - 36 + 1];
 103   UINT8 reserved_56_95[95 - 56 + 1];
 104   ///
 105   /// Some more fields, the sizeof (ATAPI_INQUIRY_DATA) is 255
 106   /// since allocation_length is one byte in ATAPI_INQUIRY_CMD.
 107   ///
 108   UINT8 vendor_specific_96_255[254 - 96 + 1];
 109 } ATAPI_INQUIRY_DATA;
 110
 111
 112
 113 typedef struct {
 114   UINT8 error_code : 7;
 115   UINT8 valid : 1;
 116   UINT8 reserved_1;
 117   UINT8 sense_key : 4;
 118   UINT8 reserved_2 : 1;
 119   UINT8 Vendor_specifc_1 : 3;
 120   UINT8 vendor_specific_3;
 121   UINT8 vendor_specific_4;
 122   UINT8 vendor_specific_5;
 123   UINT8 vendor_specific_6;
 124   UINT8 addnl_sense_length;           ///< n - 7
 125   UINT8 vendor_specific_8;
 126   UINT8 vendor_specific_9;
 127   UINT8 vendor_specific_10;
 128   UINT8 vendor_specific_11;
 129   UINT8 addnl_sense_code;             ///< mandatory
 130   UINT8 addnl_sense_code_qualifier;   ///< mandatory
 131   UINT8 field_replaceable_unit_code;  ///< optional
 132   UINT8 sense_key_specific_15 : 7;
 133   UINT8 SKSV : 1;
 134   UINT8 sense_key_specific_16;
 135   UINT8 sense_key_specific_17;
 136   ///
 137   /// Followed by additional sense bytes.
 138   /// the sizeof (ATAPI_REQUEST_SENSE_DATA) is 255,
 139   /// since allocation_length is one byte in ATAPI_INQUIRY_CMD.
 140   ///
 141   UINT8 additional_sense_bytes[254 - 18 + 1];
 142 } ATAPI_REQUEST_SENSE_DATA;
 143
 144 ///
 145 /// READ CAPACITY Data
 146 ///
 147 typedef struct {
 148   UINT8 LastLba3;
 149   UINT8 LastLba2;
 150   UINT8 LastLba1;
 151   UINT8 LastLba0;
 152   UINT8 BlockSize3;
 153   UINT8 BlockSize2;
 154   UINT8 BlockSize1;
 155   UINT8 BlockSize0;
 156 } ATAPI_READ_CAPACITY_DATA;
 157
 158 ///
 159 /// Capacity List Header + Current/Maximum Capacity Descriptor
 160 ///
 161 typedef struct {
 162   UINT8 reserved_0;
 163   UINT8 reserved_1;
 164   UINT8 reserved_2;
 165   UINT8 Capacity_Length;
 166   UINT8 LastLba3;
 167   UINT8 LastLba2;
 168   UINT8 LastLba1;
 169   UINT8 LastLba0;
 170   UINT8 DesCode : 2;
 171   UINT8 reserved_9 : 6;
 172   UINT8 BlockSize2;
 173   UINT8 BlockSize1;
 174   UINT8 BlockSize0;
 175 } ATAPI_READ_FORMAT_CAPACITY_DATA;
 176
 177 ///
 178 /// Test Unit Ready Command
 179 ///
 180 typedef struct {
 181   UINT8 opcode;
 182   UINT8 reserved_1;
 183   UINT8 reserved_2;
 184   UINT8 reserved_3;
 185   UINT8 reserved_4;
 186   UINT8 reserved_5;
 187   UINT8 reserved_6;
 188   UINT8 reserved_7;
 189   UINT8 reserved_8;
 190   UINT8 reserved_9;
 191   UINT8 reserved_10;
 192   UINT8 reserved_11;
 193 } ATAPI_TEST_UNIT_READY_CMD;
 194
 195 ///
 196 /// INQUIRY Command
 197 ///
 198 typedef struct {
 199   UINT8 opcode;
 200   UINT8 reserved_1 : 5;
 201   UINT8 lun : 3;
 202   UINT8 page_code;        ///< defined in SFF8090i, V6
 203   UINT8 reserved_3;
 204   UINT8 allocation_length;
 205   UINT8 reserved_5;
 206   UINT8 reserved_6;
 207   UINT8 reserved_7;
 208   UINT8 reserved_8;
 209   UINT8 reserved_9;
 210   UINT8 reserved_10;
 211   UINT8 reserved_11;
 212 } ATAPI_INQUIRY_CMD;
 213
 214 ///
 215 /// REQUEST SENSE Command
 216 ///
 217 typedef struct {
 218   UINT8 opcode;
 219   UINT8 reserved_1 : 5;
 220   UINT8 lun : 3;
 221   UINT8 reserved_2;
 222   UINT8 reserved_3;
 223   UINT8 allocation_length;
 224   UINT8 reserved_5;
 225   UINT8 reserved_6;
 226   UINT8 reserved_7;
 227   UINT8 reserved_8;
 228   UINT8 reserved_9;
 229   UINT8 reserved_10;
 230   UINT8 reserved_11;
 231 } ATAPI_REQUEST_SENSE_CMD;
 232
 233 ///
 234 /// READ (10) Command
 235 ///
 236 typedef struct {
 237   UINT8 opcode;
 238   UINT8 reserved_1 : 5;
 239   UINT8 lun : 3;
 240   UINT8 Lba0;
 241   UINT8 Lba1;
 242   UINT8 Lba2;
 243   UINT8 Lba3;
 244   UINT8 reserved_6;
 245   UINT8 TranLen0;
 246   UINT8 TranLen1;
 247   UINT8 reserved_9;
 248   UINT8 reserved_10;
 249   UINT8 reserved_11;
 250 } ATAPI_READ10_CMD;
 251
 252 ///
 253 /// READ Format Capacity Command
 254 ///
 255 typedef struct {
 256   UINT8 opcode;
 257   UINT8 reserved_1 : 5;
 258   UINT8 lun : 3;
 259   UINT8 reserved_2;
 260   UINT8 reserved_3;
 261   UINT8 reserved_4;
 262   UINT8 reserved_5;
 263   UINT8 reserved_6;
 264   UINT8 allocation_length_hi;
 265   UINT8 allocation_length_lo;
 266   UINT8 reserved_9;
 267   UINT8 reserved_10;
 268   UINT8 reserved_11;
 269 } ATAPI_READ_FORMAT_CAP_CMD;
 270
 271 typedef struct {
 272   UINT8 peripheral_type;
 273   UINT8 RMB;
 274   UINT8 version;
 275   UINT8 response_data_format;
 276   UINT8 addnl_length;
 277   UINT8 reserved_5;
 278   UINT8 reserved_6;
 279   UINT8 reserved_7;
 280   UINT8 vendor_info[8];
 281   UINT8 product_id[12];
 282   UINT8 eeprom_product_code[4];
 283   UINT8 firmware_rev_level[4];
 284 } ATAPI_USB_INQUIRY_DATA;
 285
 286 ///
 287 /// MODE SENSE Command
 288 ///
 289 typedef struct {
 290   UINT8 opcode;
 291   UINT8 reserved_1 : 5;
 292   UINT8 lun : 3;
 293   UINT8 page_code : 6;
 294   UINT8 page_control : 2;
 295   UINT8 reserved_3;
 296   UINT8 reserved_4;
 297   UINT8 reserved_5;
 298   UINT8 reserved_6;
 299   UINT8 parameter_list_length_hi;
 300   UINT8 parameter_list_length_lo;
 301   UINT8 reserved_9;
 302   UINT8 reserved_10;
 303   UINT8 reserved_11;
 304 } ATAPI_MODE_SENSE_CMD;
 305
 306 ///
 307 /// ATAPI_PACKET_COMMAND is not defined in ATA specification.
 308 /// We add it here for the convenience for ATA/ATAPI module writer.
 309 ///
 310 typedef union {
 311   UINT16                    Data16[6];
 312   ATAPI_TEST_UNIT_READY_CMD TestUnitReady;
 313   ATAPI_READ10_CMD          Read10;
 314   ATAPI_REQUEST_SENSE_CMD   RequestSence;
 315   ATAPI_INQUIRY_CMD         Inquiry;
 316   ATAPI_MODE_SENSE_CMD      ModeSense;
 317   ATAPI_READ_FORMAT_CAP_CMD ReadFormatCapacity;
 318 } ATAPI_PACKET_COMMAND;
 319
 320 #pragma pack()
 321
 322
 323 #define ATAPI_MAX_DMA_EXT_CMD_SECTORS 0x10000
 324 #define ATAPI_MAX_DMA_CMD_SECTORS     0x100
 325
 326 //
 327 // ATA Packet Command Code
 328 //
 329 #define ATA_CMD_SOFT_RESET                  0x08   ///< defined in ATA-6
 330 #define ATA_CMD_PACKET                      0xA0   ///< defined in ATA-6
 331 #define ATA_CMD_IDENTIFY_DEVICE             0xA1   ///< defined in ATA-6
 332 #define ATA_CMD_SERVICE                     0xA2   ///< defined in ATA-6
 333 #define ATA_CMD_TEST_UNIT_READY             0x00   ///< defined in ATA-6
 334 #define ATA_CMD_REQUEST_SENSE               0x03   ///< defined in ATA-6
 335 #define ATA_CMD_INQUIRY                     0x12   ///< defined in ATAPI Removable Rewritable Media Devcies
 336 #define ATA_CMD_READ_FORMAT_CAPACITY        0x23   ///< defined in ATAPI Removable Rewritable Media Devcies
 337 #define ATA_CMD_READ_CAPACITY               0x25   ///< defined in ATAPI Removable Rewritable Media Devcies
 338 #define ATA_CMD_READ_10                     0x28   ///< defined in ATAPI Removable Rewritable Media Devcies
 339 #define ATA_CMD_WRITE_10                    0x2A   ///< defined in ATAPI Removable Rewritable Media Devcies
 340
 341 //
 342 // ATA Commands Code
 343 //
 344
 345 //
 346 // Class 1: PIO Data-In Commands
 347 //
 348 #define ATA_CMD_IDENTIFY_DRIVE          0xec
 349 #define ATA_CMD_READ_BUFFER             0xe4
 350 #define ATA_CMD_READ_SECTORS            0x20   ///< defined in ATA-5
 351 #define ATA_CMD_READ_SECTORS_WITH_RETRY 0x21   ///< defined in ATA-5
 352 #define ATA_CMD_READ_LONG               0x22   ///< defined in ATA-5
 353 #define ATA_CMD_READ_LONG_WITH_RETRY    0x23   ///< defined in ATA-5
 354 #define ATA_CMD_READ_SECTORS_EXT        0x24   ///< defined in ATA-6
 355
 356
 357 //
 358 // Class 2: PIO Data-Out Commands
 359 //
 360 #define ATA_CMD_FORMAT_TRACK              0x50  ///< defined in ATA-3
 361 #define ATA_CMD_WRITE_BUFFER              0xe8  ///< defined in ATA-6
 362 #define ATA_CMD_WRITE_SECTORS             0x30  ///< defined in ATA-6
 363 #define ATA_CMD_WRITE_SECTORS_WITH_RETRY  0x31  ///< defined in ATA-4
 364 #define ATA_CMD_WRITE_LONG                0x32  ///< defined in ATA-3
 365 #define ATA_CMD_WRITE_LONG_WITH_RETRY     0x33  ///< defined in ATA-3
 366 #define ATA_CMD_WRITE_VERIFY              0x3c  ///< defined in ATA-3
 367 #define ATA_CMD_WRITE_SECTORS_EXT         0x34  ///< defined in ATA-6
 368
 369 //
 370 // Class 3 No Data Command
 371 //
 372 #define ATA_CMD_ACK_MEDIA_CHANGE        0xdb  ///< defined in ATA-2
 373 #define ATA_CMD_BOOT_POST_BOOT          0xdc  ///< defined in ATA-2
 374 #define ATA_CMD_BOOT_PRE_BOOT           0xdd  ///< defined in ATA-2
 375 #define ATA_CMD_CHECK_POWER_MODE        0x98  ///< defined in ATA-3
 376 #define ATA_CMD_CHECK_POWER_MODE_ALIAS  0xe5  ///< defined in ATA-6
 377 #define ATA_CMD_DOOR_LOCK               0xde  ///< defined in ATA-6
 378 #define ATA_CMD_DOOR_UNLOCK             0xdf  ///< defined in ATA-6
 379 #define ATA_CMD_EXEC_DRIVE_DIAG         0x90  ///< defined in ATA-6
 380 #define ATA_CMD_IDLE_ALIAS              0x97  ///< defined in ATA-3
 381 #define ATA_CMD_IDLE                    0xe3  ///< defined in ATA-6
 382 #define ATA_CMD_IDLE_IMMEDIATE          0x95  ///< defined in ATA-3
 383 #define ATA_CMD_IDLE_IMMEDIATE_ALIAS    0xe1  ///< defined in ATA-6
 384 #define ATA_CMD_INIT_DRIVE_PARAM        0x91  ///< defined in ATA-5
 385 #define ATA_CMD_RECALIBRATE             0x10  ///< defined in ATA-3
 386 #define ATA_CMD_READ_DRIVE_STATE        0xe9  ///< defined in ATA-2
 387 #define ATA_CMD_SET_MULTIPLE_MODE       0xC6  ///< defined in ATA-6
 388 #define ATA_CMD_READ_VERIFY             0x40  ///< defined in ATA-6
 389 #define ATA_CMD_READ_VERIFY_WITH_RETRY  0x41  ///< defined in ATA-4
 390 #define ATA_CMD_SEEK                    0x70  ///< defined in ATA-6
 391 #define ATA_CMD_SET_FEATURES            0xef  ///< defined in ATA-6
 392 #define ATA_CMD_STANDBY                 0x96  ///< defined in ATA-3
 393 #define ATA_CMD_STANDBY_ALIAS           0xe2  ///< defined in ATA-6
 394 #define ATA_CMD_STANDBY_IMMEDIATE       0x94  ///< defined in ATA-3
 395 #define ATA_CMD_STANDBY_IMMEDIATE_ALIAS 0xe0  ///< defined in ATA-6
 396 ///
 397 /// S.M.A.R.T
 398 ///
 399 #define ATA_CMD_SMART               0xb0
 400 #define ATA_CONSTANT_C2             0xc2
 401 #define ATA_CONSTANT_4F             0x4f
 402 #define ATA_SMART_ENABLE_OPERATION  0xd8
 403 #define ATA_SMART_RETURN_STATUS     0xda
 404
 405
 406 ///
 407 /// Class 4: DMA Command
 408 ///
 409 #define ATA_CMD_READ_DMA              0xc8   ///< defined in ATA-6
 410 #define ATA_CMD_READ_DMA_WITH_RETRY   0xc9   ///< defined in ATA-4
 411 #define ATA_CMD_READ_DMA_EXT          0x25   ///< defined in ATA-6
 412 #define ATA_CMD_WRITE_DMA             0xca   ///< defined in ATA-6
 413 #define ATA_CMD_WRITE_DMA_WITH_RETRY  0xcb   ///< defined in ATA-4
 414 #define ATA_CMD_WRITE_DMA_EXT         0x35   ///< defined in ATA-6
 415
 416
 417
 418 ///
 419 /// default content of device control register, disable INT,
 420 /// Bit3 is set to 1 according ATA-1
 421 ///
 422 #define ATA_DEFAULT_CTL           (0x0a)
 423 ///
 424 /// default context of Device/Head Register,
 425 /// Bit7 and Bit5 are set to 1 for back-compatibilities
 426 ///
 427 #define ATA_DEFAULT_CMD           (0xa0)
 428
 429 #define ATAPI_MAX_BYTE_COUNT  (0xfffe)
 430
 431 ///
 432 /// Sense Key, Additional Sense Codes and Additional Sense Code Qualifier
 433 /// defined in MultiMedia Commands (MMC, MMC-2)
 434 ///
 435 /// Sense Key
 436 ///
 437 #define ATA_SK_NO_SENSE         (0x0)
 438 #define ATA_SK_RECOVERY_ERROR   (0x1)
 439 #define ATA_SK_NOT_READY        (0x2)
 440 #define ATA_SK_MEDIUM_ERROR     (0x3)
 441 #define ATA_SK_HARDWARE_ERROR   (0x4)
 442 #define ATA_SK_ILLEGAL_REQUEST  (0x5)
 443 #define ATA_SK_UNIT_ATTENTION   (0x6)
 444 #define ATA_SK_DATA_PROTECT     (0x7)
 445 #define ATA_SK_BLANK_CHECK      (0x8)
 446 #define ATA_SK_VENDOR_SPECIFIC  (0x9)
 447 #define ATA_SK_RESERVED_A       (0xA)
 448 #define ATA_SK_ABORT            (0xB)
 449 #define ATA_SK_RESERVED_C       (0xC)
 450 #define ATA_SK_OVERFLOW         (0xD)
 451 #define ATA_SK_MISCOMPARE       (0xE)
 452 #define ATA_SK_RESERVED_F       (0xF)
 453
 454 //
 455 // Additional Sense Codes
 456 //
 457 #define ATA_ASC_NOT_READY                   (0x04)
 458 #define ATA_ASC_MEDIA_ERR1                  (0x10)
 459 #define ATA_ASC_MEDIA_ERR2                  (0x11)
 460 #define ATA_ASC_MEDIA_ERR3                  (0x14)
 461 #define ATA_ASC_MEDIA_ERR4                  (0x30)
 462 #define ATA_ASC_MEDIA_UPSIDE_DOWN           (0x06)
 463 #define ATA_ASC_INVALID_CMD                 (0x20)
 464 #define ATA_ASC_LBA_OUT_OF_RANGE            (0x21)
 465 #define ATA_ASC_INVALID_FIELD               (0x24)
 466 #define ATA_ASC_WRITE_PROTECTED             (0x27)
 467 #define ATA_ASC_MEDIA_CHANGE                (0x28)
 468 #define ATA_ASC_RESET                       (0x29)  ///< Power On Reset or Bus Reset occurred
 469 #define ATA_ASC_ILLEGAL_FIELD               (0x26)
 470 #define ATA_ASC_NO_MEDIA                    (0x3A)
 471 #define ATA_ASC_ILLEGAL_MODE_FOR_THIS_TRACK (0x64)
 472
 473 //
 474 // Additional Sense Code Qualifier
 475 //
 476 #define ATA_ASCQ_IN_PROGRESS  (0x01)
 477
 478 ///
 479 /// Error Register
 480 ///
 481 #define ATA_ERRREG_BBK   BIT7  ///< Bad block detected      defined in ATA-1
 482 #define ATA_ERRREG_UNC   BIT6  ///< Uncorrectable Data      defined in ATA-3
 483 #define ATA_ERRREG_MC    BIT5  ///< Media Change            defined in ATA-3
 484 #define ATA_ERRREG_IDNF  BIT4  ///< ID Not Found            defined in ATA-3
 485 #define ATA_ERRREG_MCR   BIT3  ///< Media Change Requested  defined in ATA-3
 486 #define ATA_ERRREG_ABRT  BIT2  ///< Aborted Command         defined in ATA-6
 487 #define ATA_ERRREG_TK0NF BIT1  ///< Track 0 Not Found       defined in ATA-3
 488 #define ATA_ERRREG_AMNF  BIT0  ///< Address Mark Not Found  defined in ATA-3
 489
 490 ///
 491 /// Status Register
 492 ///
 493 #define ATA_STSREG_BSY   BIT7  ///< Controller Busy         defined in ATA-6
 494 #define ATA_STSREG_DRDY  BIT6  ///< Drive Ready             defined in ATA-6
 495 #define ATA_STSREG_DWF   BIT5  ///< Drive Write Fault       defined in ATA-6
 496 #define ATA_STSREG_DSC   BIT4  ///< Disk Seek Complete      defined in ATA-3
 497 #define ATA_STSREG_DRQ   BIT3  ///< Data Request            defined in ATA-6
 498 #define ATA_STSREG_CORR  BIT2  ///< Corrected Data          defined in ATA-3
 499 #define ATA_STSREG_IDX   BIT1  ///< Index                   defined in ATA-3
 500 #define ATA_STSREG_ERR   BIT0  ///< Error                   defined in ATA-6
 501
 502 ///
 503 /// Device Control Register
 504 ///
 505 #define ATA_CTLREG_SRST  BIT2  ///< Software Reset
 506 #define ATA_CTLREG_IEN_L BIT1  ///< Interrupt Enable #
 507
 508 #endif
 509