1 #ifndef _LINUX_HDREG_H 2 #define _LINUX_HDREG_H 3 4 #ifdef __KERNEL__ 5 #include <linux/ata.h> 6 7 /* 8 * This file contains some defines for the AT-hd-controller. 9 * Various sources. 10 */ 11 12 /* ide.c has its own port definitions in "ide.h" */ 13 14 #define HD_IRQ 14 15 16 /* Hd controller regs. Ref: IBM AT Bios-listing */ 17 #define HD_DATA 0x1f0 /* _CTL when writing */ 18 #define HD_ERROR 0x1f1 /* see err-bits */ 19 #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */ 20 #define HD_SECTOR 0x1f3 /* starting sector */ 21 #define HD_LCYL 0x1f4 /* starting cylinder */ 22 #define HD_HCYL 0x1f5 /* high byte of starting cyl */ 23 #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */ 24 #define HD_STATUS 0x1f7 /* see status-bits */ 25 #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */ 26 #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */ 27 #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */ 28 29 #define HD_CMD 0x3f6 /* used for resets */ 30 #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */ 31 32 /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */ 33 34 /* Bits of HD_STATUS */ 35 #define ERR_STAT 0x01 36 #define INDEX_STAT 0x02 37 #define ECC_STAT 0x04 /* Corrected error */ 38 #define DRQ_STAT 0x08 39 #define SEEK_STAT 0x10 40 #define SRV_STAT 0x10 41 #define WRERR_STAT 0x20 42 #define READY_STAT 0x40 43 #define BUSY_STAT 0x80 44 45 /* Bits for HD_ERROR */ 46 #define MARK_ERR 0x01 /* Bad address mark */ 47 #define TRK0_ERR 0x02 /* couldn't find track 0 */ 48 #define ABRT_ERR 0x04 /* Command aborted */ 49 #define MCR_ERR 0x08 /* media change request */ 50 #define ID_ERR 0x10 /* ID field not found */ 51 #define MC_ERR 0x20 /* media changed */ 52 #define ECC_ERR 0x40 /* Uncorrectable ECC error */ 53 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ 54 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ 55 56 /* Bits of HD_NSECTOR */ 57 #define CD 0x01 58 #define IO 0x02 59 #define REL 0x04 60 #define TAG_MASK 0xf8 61 #endif /* __KERNEL__ */ 62 63 /* 64 * Command Header sizes for IOCTL commands 65 */ 66 67 #define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(u8)) 68 #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(u8)) 69 #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(u8)) 70 71 #define IDE_DRIVE_TASK_INVALID -1 72 #define IDE_DRIVE_TASK_NO_DATA 0 73 #define IDE_DRIVE_TASK_SET_XFER 1 74 75 #define IDE_DRIVE_TASK_IN 2 76 77 #define IDE_DRIVE_TASK_OUT 3 78 #define IDE_DRIVE_TASK_RAW_WRITE 4 79 80 /* 81 * Define standard taskfile in/out register 82 */ 83 #define IDE_TASKFILE_STD_IN_FLAGS 0xFE 84 #define IDE_HOB_STD_IN_FLAGS 0x3C 85 #ifndef __KERNEL__ 86 #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE 87 #define IDE_HOB_STD_OUT_FLAGS 0x3C 88 #endif 89 90 typedef unsigned char task_ioreg_t; 91 typedef unsigned long sata_ioreg_t; 92 93 typedef union ide_reg_valid_s { 94 unsigned all : 16; 95 struct { 96 unsigned data : 1; 97 unsigned error_feature : 1; 98 unsigned sector : 1; 99 unsigned nsector : 1; 100 unsigned lcyl : 1; 101 unsigned hcyl : 1; 102 unsigned select : 1; 103 unsigned status_command : 1; 104 105 unsigned data_hob : 1; 106 unsigned error_feature_hob : 1; 107 unsigned sector_hob : 1; 108 unsigned nsector_hob : 1; 109 unsigned lcyl_hob : 1; 110 unsigned hcyl_hob : 1; 111 unsigned select_hob : 1; 112 unsigned control_hob : 1; 113 } b; 114 } ide_reg_valid_t; 115 116 typedef struct ide_task_request_s { 117 task_ioreg_t io_ports[8]; 118 task_ioreg_t hob_ports[8]; 119 ide_reg_valid_t out_flags; 120 ide_reg_valid_t in_flags; 121 int data_phase; 122 int req_cmd; 123 unsigned long out_size; 124 unsigned long in_size; 125 } ide_task_request_t; 126 127 typedef struct ide_ioctl_request_s { 128 ide_task_request_t *task_request; 129 unsigned char *out_buffer; 130 unsigned char *in_buffer; 131 } ide_ioctl_request_t; 132 133 struct hd_drive_cmd_hdr { 134 task_ioreg_t command; 135 task_ioreg_t sector_number; 136 task_ioreg_t feature; 137 task_ioreg_t sector_count; 138 }; 139 140 typedef struct hd_drive_task_hdr { 141 task_ioreg_t data; 142 task_ioreg_t feature; 143 task_ioreg_t sector_count; 144 task_ioreg_t sector_number; 145 task_ioreg_t low_cylinder; 146 task_ioreg_t high_cylinder; 147 task_ioreg_t device_head; 148 task_ioreg_t command; 149 } task_struct_t; 150 151 typedef struct hd_drive_hob_hdr { 152 task_ioreg_t data; 153 task_ioreg_t feature; 154 task_ioreg_t sector_count; 155 task_ioreg_t sector_number; 156 task_ioreg_t low_cylinder; 157 task_ioreg_t high_cylinder; 158 task_ioreg_t device_head; 159 task_ioreg_t control; 160 } hob_struct_t; 161 162 #define TASKFILE_INVALID 0x7fff 163 #define TASKFILE_48 0x8000 164 165 #define TASKFILE_NO_DATA 0x0000 166 167 #define TASKFILE_IN 0x0001 168 #define TASKFILE_MULTI_IN 0x0002 169 170 #define TASKFILE_OUT 0x0004 171 #define TASKFILE_MULTI_OUT 0x0008 172 #define TASKFILE_IN_OUT 0x0010 173 174 #define TASKFILE_IN_DMA 0x0020 175 #define TASKFILE_OUT_DMA 0x0040 176 #define TASKFILE_IN_DMAQ 0x0080 177 #define TASKFILE_OUT_DMAQ 0x0100 178 179 #define TASKFILE_P_IN 0x0200 180 #define TASKFILE_P_OUT 0x0400 181 #define TASKFILE_P_IN_DMA 0x0800 182 #define TASKFILE_P_OUT_DMA 0x1000 183 #define TASKFILE_P_IN_DMAQ 0x2000 184 #define TASKFILE_P_OUT_DMAQ 0x4000 185 186 /* ATA/ATAPI Commands pre T13 Spec */ 187 #define WIN_NOP 0x00 188 /* 189 * 0x01->0x02 Reserved 190 */ 191 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ 192 /* 193 * 0x04->0x07 Reserved 194 */ 195 #define WIN_SRST 0x08 /* ATAPI soft reset command */ 196 #define WIN_DEVICE_RESET 0x08 197 /* 198 * 0x09->0x0F Reserved 199 */ 200 #define WIN_RECAL 0x10 201 #define WIN_RESTORE WIN_RECAL 202 /* 203 * 0x10->0x1F Reserved 204 */ 205 #define WIN_READ 0x20 /* 28-Bit */ 206 #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */ 207 #define WIN_READ_LONG 0x22 /* 28-Bit */ 208 #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */ 209 #define WIN_READ_EXT 0x24 /* 48-Bit */ 210 #define WIN_READDMA_EXT 0x25 /* 48-Bit */ 211 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */ 212 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ 213 /* 214 * 0x28 215 */ 216 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ 217 /* 218 * 0x2A->0x2F Reserved 219 */ 220 #define WIN_WRITE 0x30 /* 28-Bit */ 221 #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */ 222 #define WIN_WRITE_LONG 0x32 /* 28-Bit */ 223 #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */ 224 #define WIN_WRITE_EXT 0x34 /* 48-Bit */ 225 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ 226 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ 227 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ 228 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ 229 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ 230 /* 231 * 0x3A->0x3B Reserved 232 */ 233 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */ 234 /* 235 * 0x3D->0x3F Reserved 236 */ 237 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ 238 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */ 239 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */ 240 /* 241 * 0x43->0x4F Reserved 242 */ 243 #define WIN_FORMAT 0x50 244 /* 245 * 0x51->0x5F Reserved 246 */ 247 #define WIN_INIT 0x60 248 /* 249 * 0x61->0x5F Reserved 250 */ 251 #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */ 252 253 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ 254 #define WIN_DIAGNOSE 0x90 255 #define WIN_SPECIFY 0x91 /* set drive geometry translation */ 256 #define WIN_DOWNLOAD_MICROCODE 0x92 257 #define WIN_STANDBYNOW2 0x94 258 #define WIN_STANDBY2 0x96 259 #define WIN_SETIDLE2 0x97 260 #define WIN_CHECKPOWERMODE2 0x98 261 #define WIN_SLEEPNOW2 0x99 262 /* 263 * 0x9A VENDOR 264 */ 265 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */ 266 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ 267 #define WIN_QUEUED_SERVICE 0xA2 268 #define WIN_SMART 0xB0 /* self-monitoring and reporting */ 269 #define CFA_ERASE_SECTORS 0xC0 270 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ 271 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ 272 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ 273 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ 274 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ 275 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */ 276 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ 277 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */ 278 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ 279 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ 280 #define WIN_GETMEDIASTATUS 0xDA 281 #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */ 282 #define WIN_POSTBOOT 0xDC 283 #define WIN_PREBOOT 0xDD 284 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */ 285 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ 286 #define WIN_STANDBYNOW1 0xE0 287 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ 288 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ 289 #define WIN_SETIDLE1 0xE3 290 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ 291 #define WIN_CHECKPOWERMODE1 0xE5 292 #define WIN_SLEEPNOW1 0xE6 293 #define WIN_FLUSH_CACHE 0xE7 294 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ 295 #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */ 296 /* SET_FEATURES 0x22 or 0xDD */ 297 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ 298 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ 299 #define WIN_MEDIAEJECT 0xED 300 #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ 301 #define WIN_SETFEATURES 0xEF /* set special drive features */ 302 #define EXABYTE_ENABLE_NEST 0xF0 303 #define WIN_SECURITY_SET_PASS 0xF1 304 #define WIN_SECURITY_UNLOCK 0xF2 305 #define WIN_SECURITY_ERASE_PREPARE 0xF3 306 #define WIN_SECURITY_ERASE_UNIT 0xF4 307 #define WIN_SECURITY_FREEZE_LOCK 0xF5 308 #define WIN_SECURITY_DISABLE 0xF6 309 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ 310 #define WIN_SET_MAX 0xF9 311 #define DISABLE_SEAGATE 0xFB 312 313 /* WIN_SMART sub-commands */ 314 315 #define SMART_READ_VALUES 0xD0 316 #define SMART_READ_THRESHOLDS 0xD1 317 #define SMART_AUTOSAVE 0xD2 318 #define SMART_SAVE 0xD3 319 #define SMART_IMMEDIATE_OFFLINE 0xD4 320 #define SMART_READ_LOG_SECTOR 0xD5 321 #define SMART_WRITE_LOG_SECTOR 0xD6 322 #define SMART_WRITE_THRESHOLDS 0xD7 323 #define SMART_ENABLE 0xD8 324 #define SMART_DISABLE 0xD9 325 #define SMART_STATUS 0xDA 326 #define SMART_AUTO_OFFLINE 0xDB 327 328 /* Password used in TF4 & TF5 executing SMART commands */ 329 330 #define SMART_LCYL_PASS 0x4F 331 #define SMART_HCYL_PASS 0xC2 332 333 /* WIN_SETFEATURES sub-commands */ 334 #define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */ 335 #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */ 336 #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */ 337 #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */ 338 #define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */ 339 #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */ 340 #define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */ 341 #define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */ 342 #define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */ 343 #define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */ 344 #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */ 345 #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */ 346 #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */ 347 #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */ 348 #define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */ 349 #define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */ 350 #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */ 351 #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */ 352 #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */ 353 #define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */ 354 #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */ 355 #define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */ 356 #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */ 357 #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */ 358 #define SETFEATURES_EN_REST 0xAC /* ATA-1 */ 359 #define SETFEATURES_4B_RW_LONG 0xBB /* Set Lenght of 4 bytes */ 360 #define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */ 361 #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */ 362 #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */ 363 #define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */ 364 #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */ 365 366 /* WIN_SECURITY sub-commands */ 367 368 #define SECURITY_SET_PASSWORD 0xBA 369 #define SECURITY_UNLOCK 0xBB 370 #define SECURITY_ERASE_PREPARE 0xBC 371 #define SECURITY_ERASE_UNIT 0xBD 372 #define SECURITY_FREEZE_LOCK 0xBE 373 #define SECURITY_DISABLE_PASSWORD 0xBF 374 375 struct hd_geometry { 376 unsigned char heads; 377 unsigned char sectors; 378 unsigned short cylinders; 379 unsigned long start; 380 }; 381 382 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */ 383 #define HDIO_GETGEO 0x0301 /* get device geometry */ 384 #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */ 385 #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */ 386 #define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */ 387 388 #define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */ 389 390 #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */ 391 #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */ 392 #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */ 393 #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */ 394 #define HDIO_GET_DMA 0x030b /* get use-dma flag */ 395 #define HDIO_GET_NICE 0x030c /* get nice flags */ 396 #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */ 397 #define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */ 398 #define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */ 399 #define HDIO_GET_ADDRESS 0x0310 /* */ 400 401 #define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */ 402 #define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */ 403 #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */ 404 #define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */ 405 #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */ 406 #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */ 407 #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK 408 409 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */ 410 #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */ 411 #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */ 412 #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */ 413 #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */ 414 #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */ 415 #define HDIO_SET_DMA 0x0326 /* change use-dma flag */ 416 #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */ 417 #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */ 418 #define HDIO_SET_NICE 0x0329 /* set nice flags */ 419 #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */ 420 #define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */ 421 #define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */ 422 #define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */ 423 #define HDIO_SET_QDMA 0x032e /* change use-qdma flag */ 424 #define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */ 425 426 /* bus states */ 427 enum { 428 BUSSTATE_OFF = 0, 429 BUSSTATE_ON, 430 BUSSTATE_TRISTATE 431 }; 432 433 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */ 434 /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */ 435 /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */ 436 /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */ 437 /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */ 438 439 #define __NEW_HD_DRIVE_ID 440 441 /* 442 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec. 443 * 444 * If you change something here, please remember to update fix_driveid() in 445 * ide/probe.c. 446 */ 447 struct hd_driveid { 448 unsigned short config; /* lots of obsolete bit flags */ 449 unsigned short cyls; /* Obsolete, "physical" cyls */ 450 unsigned short reserved2; /* reserved (word 2) */ 451 unsigned short heads; /* Obsolete, "physical" heads */ 452 unsigned short track_bytes; /* unformatted bytes per track */ 453 unsigned short sector_bytes; /* unformatted bytes per sector */ 454 unsigned short sectors; /* Obsolete, "physical" sectors per track */ 455 unsigned short vendor0; /* vendor unique */ 456 unsigned short vendor1; /* vendor unique */ 457 unsigned short vendor2; /* Retired vendor unique */ 458 unsigned char serial_no[20]; /* 0 = not_specified */ 459 unsigned short buf_type; /* Retired */ 460 unsigned short buf_size; /* Retired, 512 byte increments 461 * 0 = not_specified 462 */ 463 unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */ 464 unsigned char fw_rev[8]; /* 0 = not_specified */ 465 unsigned char model[40]; /* 0 = not_specified */ 466 unsigned char max_multsect; /* 0=not_implemented */ 467 unsigned char vendor3; /* vendor unique */ 468 unsigned short dword_io; /* 0=not_implemented; 1=implemented */ 469 unsigned char vendor4; /* vendor unique */ 470 unsigned char capability; /* (upper byte of word 49) 471 * 3: IORDYsup 472 * 2: IORDYsw 473 * 1: LBA 474 * 0: DMA 475 */ 476 unsigned short reserved50; /* reserved (word 50) */ 477 unsigned char vendor5; /* Obsolete, vendor unique */ 478 unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */ 479 unsigned char vendor6; /* Obsolete, vendor unique */ 480 unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */ 481 unsigned short field_valid; /* (word 53) 482 * 2: ultra_ok word 88 483 * 1: eide_ok words 64-70 484 * 0: cur_ok words 54-58 485 */ 486 unsigned short cur_cyls; /* Obsolete, logical cylinders */ 487 unsigned short cur_heads; /* Obsolete, l heads */ 488 unsigned short cur_sectors; /* Obsolete, l sectors per track */ 489 unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */ 490 unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */ 491 unsigned char multsect; /* current multiple sector count */ 492 unsigned char multsect_valid; /* when (bit0==1) multsect is ok */ 493 unsigned int lba_capacity; /* Obsolete, total number of sectors */ 494 unsigned short dma_1word; /* Obsolete, single-word dma info */ 495 unsigned short dma_mword; /* multiple-word dma info */ 496 unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */ 497 unsigned short eide_dma_min; /* min mword dma cycle time (ns) */ 498 unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */ 499 unsigned short eide_pio; /* min cycle time (ns), no IORDY */ 500 unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */ 501 unsigned short words69_70[2]; /* reserved words 69-70 502 * future command overlap and queuing 503 */ 504 /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */ 505 unsigned short words71_74[4]; /* reserved words 71-74 506 * for IDENTIFY PACKET DEVICE command 507 */ 508 unsigned short queue_depth; /* (word 75) 509 * 15:5 reserved 510 * 4:0 Maximum queue depth -1 511 */ 512 unsigned short words76_79[4]; /* reserved words 76-79 */ 513 unsigned short major_rev_num; /* (word 80) */ 514 unsigned short minor_rev_num; /* (word 81) */ 515 unsigned short command_set_1; /* (word 82) supported 516 * 15: Obsolete 517 * 14: NOP command 518 * 13: READ_BUFFER 519 * 12: WRITE_BUFFER 520 * 11: Obsolete 521 * 10: Host Protected Area 522 * 9: DEVICE Reset 523 * 8: SERVICE Interrupt 524 * 7: Release Interrupt 525 * 6: look-ahead 526 * 5: write cache 527 * 4: PACKET Command 528 * 3: Power Management Feature Set 529 * 2: Removable Feature Set 530 * 1: Security Feature Set 531 * 0: SMART Feature Set 532 */ 533 unsigned short command_set_2; /* (word 83) 534 * 15: Shall be ZERO 535 * 14: Shall be ONE 536 * 13: FLUSH CACHE EXT 537 * 12: FLUSH CACHE 538 * 11: Device Configuration Overlay 539 * 10: 48-bit Address Feature Set 540 * 9: Automatic Acoustic Management 541 * 8: SET MAX security 542 * 7: reserved 1407DT PARTIES 543 * 6: SetF sub-command Power-Up 544 * 5: Power-Up in Standby Feature Set 545 * 4: Removable Media Notification 546 * 3: APM Feature Set 547 * 2: CFA Feature Set 548 * 1: READ/WRITE DMA QUEUED 549 * 0: Download MicroCode 550 */ 551 unsigned short cfsse; /* (word 84) 552 * cmd set-feature supported extensions 553 * 15: Shall be ZERO 554 * 14: Shall be ONE 555 * 13:6 reserved 556 * 5: General Purpose Logging 557 * 4: Streaming Feature Set 558 * 3: Media Card Pass Through 559 * 2: Media Serial Number Valid 560 * 1: SMART selt-test supported 561 * 0: SMART error logging 562 */ 563 unsigned short cfs_enable_1; /* (word 85) 564 * command set-feature enabled 565 * 15: Obsolete 566 * 14: NOP command 567 * 13: READ_BUFFER 568 * 12: WRITE_BUFFER 569 * 11: Obsolete 570 * 10: Host Protected Area 571 * 9: DEVICE Reset 572 * 8: SERVICE Interrupt 573 * 7: Release Interrupt 574 * 6: look-ahead 575 * 5: write cache 576 * 4: PACKET Command 577 * 3: Power Management Feature Set 578 * 2: Removable Feature Set 579 * 1: Security Feature Set 580 * 0: SMART Feature Set 581 */ 582 unsigned short cfs_enable_2; /* (word 86) 583 * command set-feature enabled 584 * 15: Shall be ZERO 585 * 14: Shall be ONE 586 * 13: FLUSH CACHE EXT 587 * 12: FLUSH CACHE 588 * 11: Device Configuration Overlay 589 * 10: 48-bit Address Feature Set 590 * 9: Automatic Acoustic Management 591 * 8: SET MAX security 592 * 7: reserved 1407DT PARTIES 593 * 6: SetF sub-command Power-Up 594 * 5: Power-Up in Standby Feature Set 595 * 4: Removable Media Notification 596 * 3: APM Feature Set 597 * 2: CFA Feature Set 598 * 1: READ/WRITE DMA QUEUED 599 * 0: Download MicroCode 600 */ 601 unsigned short csf_default; /* (word 87) 602 * command set-feature default 603 * 15: Shall be ZERO 604 * 14: Shall be ONE 605 * 13:6 reserved 606 * 5: General Purpose Logging enabled 607 * 4: Valid CONFIGURE STREAM executed 608 * 3: Media Card Pass Through enabled 609 * 2: Media Serial Number Valid 610 * 1: SMART selt-test supported 611 * 0: SMART error logging 612 */ 613 unsigned short dma_ultra; /* (word 88) */ 614 unsigned short trseuc; /* time required for security erase */ 615 unsigned short trsEuc; /* time required for enhanced erase */ 616 unsigned short CurAPMvalues; /* current APM values */ 617 unsigned short mprc; /* master password revision code */ 618 unsigned short hw_config; /* hardware config (word 93) 619 * 15: Shall be ZERO 620 * 14: Shall be ONE 621 * 13: 622 * 12: 623 * 11: 624 * 10: 625 * 9: 626 * 8: 627 * 7: 628 * 6: 629 * 5: 630 * 4: 631 * 3: 632 * 2: 633 * 1: 634 * 0: Shall be ONE 635 */ 636 unsigned short acoustic; /* (word 94) 637 * 15:8 Vendor's recommended value 638 * 7:0 current value 639 */ 640 unsigned short msrqs; /* min stream request size */ 641 unsigned short sxfert; /* stream transfer time */ 642 unsigned short sal; /* stream access latency */ 643 unsigned int spg; /* stream performance granularity */ 644 unsigned long long lba_capacity_2;/* 48-bit total number of sectors */ 645 unsigned short words104_125[22];/* reserved words 104-125 */ 646 unsigned short last_lun; /* (word 126) */ 647 unsigned short word127; /* (word 127) Feature Set 648 * Removable Media Notification 649 * 15:2 reserved 650 * 1:0 00 = not supported 651 * 01 = supported 652 * 10 = reserved 653 * 11 = reserved 654 */ 655 unsigned short dlf; /* (word 128) 656 * device lock function 657 * 15:9 reserved 658 * 8 security level 1:max 0:high 659 * 7:6 reserved 660 * 5 enhanced erase 661 * 4 expire 662 * 3 frozen 663 * 2 locked 664 * 1 en/disabled 665 * 0 capability 666 */ 667 unsigned short csfo; /* (word 129) 668 * current set features options 669 * 15:4 reserved 670 * 3: auto reassign 671 * 2: reverting 672 * 1: read-look-ahead 673 * 0: write cache 674 */ 675 unsigned short words130_155[26];/* reserved vendor words 130-155 */ 676 unsigned short word156; /* reserved vendor word 156 */ 677 unsigned short words157_159[3];/* reserved vendor words 157-159 */ 678 unsigned short cfa_power; /* (word 160) CFA Power Mode 679 * 15 word 160 supported 680 * 14 reserved 681 * 13 682 * 12 683 * 11:0 684 */ 685 unsigned short words161_175[15];/* Reserved for CFA */ 686 unsigned short words176_205[30];/* Current Media Serial Number */ 687 unsigned short words206_254[49];/* reserved words 206-254 */ 688 unsigned short integrity_word; /* (word 255) 689 * 15:8 Checksum 690 * 7:0 Signature 691 */ 692 }; 693 694 /* 695 * IDE "nice" flags. These are used on a per drive basis to determine 696 * when to be nice and give more bandwidth to the other devices which 697 * share the same IDE bus. 698 */ 699 #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */ 700 #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */ 701 #define IDE_NICE_0 (2) /* when sure that it won't affect us */ 702 #define IDE_NICE_1 (3) /* when probably won't affect us much */ 703 #define IDE_NICE_2 (4) /* when we know it's on our expense */ 704 705 #endif /* _LINUX_HDREG_H */ 706
