hdreg.h 24 KB

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  1. #ifndef _LINUX_HDREG_H
  2. #define _LINUX_HDREG_H
  3. #ifdef __KERNEL__
  4. #include <linux/ata.h>
  5. /*
  6. * This file contains some defines for the AT-hd-controller.
  7. * Various sources.
  8. */
  9. /* ide.c has its own port definitions in "ide.h" */
  10. #define HD_IRQ 14
  11. /* Hd controller regs. Ref: IBM AT Bios-listing */
  12. #define HD_DATA 0x1f0 /* _CTL when writing */
  13. #define HD_ERROR 0x1f1 /* see err-bits */
  14. #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */
  15. #define HD_SECTOR 0x1f3 /* starting sector */
  16. #define HD_LCYL 0x1f4 /* starting cylinder */
  17. #define HD_HCYL 0x1f5 /* high byte of starting cyl */
  18. #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */
  19. #define HD_STATUS 0x1f7 /* see status-bits */
  20. #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */
  21. #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */
  22. #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */
  23. #define HD_CMD 0x3f6 /* used for resets */
  24. #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */
  25. /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
  26. /* Bits of HD_STATUS */
  27. #define ERR_STAT 0x01
  28. #define INDEX_STAT 0x02
  29. #define ECC_STAT 0x04 /* Corrected error */
  30. #define DRQ_STAT 0x08
  31. #define SEEK_STAT 0x10
  32. #define SRV_STAT 0x10
  33. #define WRERR_STAT 0x20
  34. #define READY_STAT 0x40
  35. #define BUSY_STAT 0x80
  36. /* Bits for HD_ERROR */
  37. #define MARK_ERR 0x01 /* Bad address mark */
  38. #define TRK0_ERR 0x02 /* couldn't find track 0 */
  39. #define ABRT_ERR 0x04 /* Command aborted */
  40. #define MCR_ERR 0x08 /* media change request */
  41. #define ID_ERR 0x10 /* ID field not found */
  42. #define MC_ERR 0x20 /* media changed */
  43. #define ECC_ERR 0x40 /* Uncorrectable ECC error */
  44. #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
  45. #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
  46. /* Bits of HD_NSECTOR */
  47. #define CD 0x01
  48. #define IO 0x02
  49. #define REL 0x04
  50. #define TAG_MASK 0xf8
  51. #endif /* __KERNEL__ */
  52. #include <linux/types.h>
  53. /*
  54. * Command Header sizes for IOCTL commands
  55. */
  56. #define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(__u8))
  57. #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(__u8))
  58. #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(__u8))
  59. #define IDE_DRIVE_TASK_INVALID -1
  60. #define IDE_DRIVE_TASK_NO_DATA 0
  61. #define IDE_DRIVE_TASK_SET_XFER 1
  62. #define IDE_DRIVE_TASK_IN 2
  63. #define IDE_DRIVE_TASK_OUT 3
  64. #define IDE_DRIVE_TASK_RAW_WRITE 4
  65. /*
  66. * Define standard taskfile in/out register
  67. */
  68. #define IDE_TASKFILE_STD_IN_FLAGS 0xFE
  69. #define IDE_HOB_STD_IN_FLAGS 0x3C
  70. #ifndef __KERNEL__
  71. #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
  72. #define IDE_HOB_STD_OUT_FLAGS 0x3C
  73. #endif
  74. typedef unsigned char task_ioreg_t;
  75. typedef unsigned long sata_ioreg_t;
  76. typedef union ide_reg_valid_s {
  77. unsigned all : 16;
  78. struct {
  79. unsigned data : 1;
  80. unsigned error_feature : 1;
  81. unsigned sector : 1;
  82. unsigned nsector : 1;
  83. unsigned lcyl : 1;
  84. unsigned hcyl : 1;
  85. unsigned select : 1;
  86. unsigned status_command : 1;
  87. unsigned data_hob : 1;
  88. unsigned error_feature_hob : 1;
  89. unsigned sector_hob : 1;
  90. unsigned nsector_hob : 1;
  91. unsigned lcyl_hob : 1;
  92. unsigned hcyl_hob : 1;
  93. unsigned select_hob : 1;
  94. unsigned control_hob : 1;
  95. } b;
  96. } ide_reg_valid_t;
  97. typedef struct ide_task_request_s {
  98. task_ioreg_t io_ports[8];
  99. task_ioreg_t hob_ports[8];
  100. ide_reg_valid_t out_flags;
  101. ide_reg_valid_t in_flags;
  102. int data_phase;
  103. int req_cmd;
  104. unsigned long out_size;
  105. unsigned long in_size;
  106. } ide_task_request_t;
  107. typedef struct ide_ioctl_request_s {
  108. ide_task_request_t *task_request;
  109. unsigned char *out_buffer;
  110. unsigned char *in_buffer;
  111. } ide_ioctl_request_t;
  112. struct hd_drive_cmd_hdr {
  113. task_ioreg_t command;
  114. task_ioreg_t sector_number;
  115. task_ioreg_t feature;
  116. task_ioreg_t sector_count;
  117. };
  118. typedef struct hd_drive_task_hdr {
  119. task_ioreg_t data;
  120. task_ioreg_t feature;
  121. task_ioreg_t sector_count;
  122. task_ioreg_t sector_number;
  123. task_ioreg_t low_cylinder;
  124. task_ioreg_t high_cylinder;
  125. task_ioreg_t device_head;
  126. task_ioreg_t command;
  127. } task_struct_t;
  128. typedef struct hd_drive_hob_hdr {
  129. task_ioreg_t data;
  130. task_ioreg_t feature;
  131. task_ioreg_t sector_count;
  132. task_ioreg_t sector_number;
  133. task_ioreg_t low_cylinder;
  134. task_ioreg_t high_cylinder;
  135. task_ioreg_t device_head;
  136. task_ioreg_t control;
  137. } hob_struct_t;
  138. #define TASKFILE_INVALID 0x7fff
  139. #define TASKFILE_48 0x8000
  140. #define TASKFILE_NO_DATA 0x0000
  141. #define TASKFILE_IN 0x0001
  142. #define TASKFILE_MULTI_IN 0x0002
  143. #define TASKFILE_OUT 0x0004
  144. #define TASKFILE_MULTI_OUT 0x0008
  145. #define TASKFILE_IN_OUT 0x0010
  146. #define TASKFILE_IN_DMA 0x0020
  147. #define TASKFILE_OUT_DMA 0x0040
  148. #define TASKFILE_IN_DMAQ 0x0080
  149. #define TASKFILE_OUT_DMAQ 0x0100
  150. #define TASKFILE_P_IN 0x0200
  151. #define TASKFILE_P_OUT 0x0400
  152. #define TASKFILE_P_IN_DMA 0x0800
  153. #define TASKFILE_P_OUT_DMA 0x1000
  154. #define TASKFILE_P_IN_DMAQ 0x2000
  155. #define TASKFILE_P_OUT_DMAQ 0x4000
  156. /* ATA/ATAPI Commands pre T13 Spec */
  157. #define WIN_NOP 0x00
  158. /*
  159. * 0x01->0x02 Reserved
  160. */
  161. #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
  162. /*
  163. * 0x04->0x07 Reserved
  164. */
  165. #define WIN_SRST 0x08 /* ATAPI soft reset command */
  166. #define WIN_DEVICE_RESET 0x08
  167. /*
  168. * 0x09->0x0F Reserved
  169. */
  170. #define WIN_RECAL 0x10
  171. #define WIN_RESTORE WIN_RECAL
  172. /*
  173. * 0x10->0x1F Reserved
  174. */
  175. #define WIN_READ 0x20 /* 28-Bit */
  176. #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
  177. #define WIN_READ_LONG 0x22 /* 28-Bit */
  178. #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
  179. #define WIN_READ_EXT 0x24 /* 48-Bit */
  180. #define WIN_READDMA_EXT 0x25 /* 48-Bit */
  181. #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
  182. #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
  183. /*
  184. * 0x28
  185. */
  186. #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
  187. /*
  188. * 0x2A->0x2F Reserved
  189. */
  190. #define WIN_WRITE 0x30 /* 28-Bit */
  191. #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
  192. #define WIN_WRITE_LONG 0x32 /* 28-Bit */
  193. #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
  194. #define WIN_WRITE_EXT 0x34 /* 48-Bit */
  195. #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
  196. #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
  197. #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
  198. #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
  199. #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
  200. /*
  201. * 0x3A->0x3B Reserved
  202. */
  203. #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
  204. /*
  205. * 0x3D->0x3F Reserved
  206. */
  207. #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
  208. #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
  209. #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
  210. /*
  211. * 0x43->0x4F Reserved
  212. */
  213. #define WIN_FORMAT 0x50
  214. /*
  215. * 0x51->0x5F Reserved
  216. */
  217. #define WIN_INIT 0x60
  218. /*
  219. * 0x61->0x5F Reserved
  220. */
  221. #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
  222. #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
  223. #define WIN_DIAGNOSE 0x90
  224. #define WIN_SPECIFY 0x91 /* set drive geometry translation */
  225. #define WIN_DOWNLOAD_MICROCODE 0x92
  226. #define WIN_STANDBYNOW2 0x94
  227. #define WIN_STANDBY2 0x96
  228. #define WIN_SETIDLE2 0x97
  229. #define WIN_CHECKPOWERMODE2 0x98
  230. #define WIN_SLEEPNOW2 0x99
  231. /*
  232. * 0x9A VENDOR
  233. */
  234. #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
  235. #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
  236. #define WIN_QUEUED_SERVICE 0xA2
  237. #define WIN_SMART 0xB0 /* self-monitoring and reporting */
  238. #define CFA_ERASE_SECTORS 0xC0
  239. #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
  240. #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
  241. #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
  242. #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
  243. #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
  244. #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
  245. #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
  246. #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
  247. #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
  248. #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
  249. #define WIN_GETMEDIASTATUS 0xDA
  250. #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
  251. #define WIN_POSTBOOT 0xDC
  252. #define WIN_PREBOOT 0xDD
  253. #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
  254. #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
  255. #define WIN_STANDBYNOW1 0xE0
  256. #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
  257. #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
  258. #define WIN_SETIDLE1 0xE3
  259. #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
  260. #define WIN_CHECKPOWERMODE1 0xE5
  261. #define WIN_SLEEPNOW1 0xE6
  262. #define WIN_FLUSH_CACHE 0xE7
  263. #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
  264. #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
  265. /* SET_FEATURES 0x22 or 0xDD */
  266. #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
  267. #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
  268. #define WIN_MEDIAEJECT 0xED
  269. #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
  270. #define WIN_SETFEATURES 0xEF /* set special drive features */
  271. #define EXABYTE_ENABLE_NEST 0xF0
  272. #define WIN_SECURITY_SET_PASS 0xF1
  273. #define WIN_SECURITY_UNLOCK 0xF2
  274. #define WIN_SECURITY_ERASE_PREPARE 0xF3
  275. #define WIN_SECURITY_ERASE_UNIT 0xF4
  276. #define WIN_SECURITY_FREEZE_LOCK 0xF5
  277. #define WIN_SECURITY_DISABLE 0xF6
  278. #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
  279. #define WIN_SET_MAX 0xF9
  280. #define DISABLE_SEAGATE 0xFB
  281. /* WIN_SMART sub-commands */
  282. #define SMART_READ_VALUES 0xD0
  283. #define SMART_READ_THRESHOLDS 0xD1
  284. #define SMART_AUTOSAVE 0xD2
  285. #define SMART_SAVE 0xD3
  286. #define SMART_IMMEDIATE_OFFLINE 0xD4
  287. #define SMART_READ_LOG_SECTOR 0xD5
  288. #define SMART_WRITE_LOG_SECTOR 0xD6
  289. #define SMART_WRITE_THRESHOLDS 0xD7
  290. #define SMART_ENABLE 0xD8
  291. #define SMART_DISABLE 0xD9
  292. #define SMART_STATUS 0xDA
  293. #define SMART_AUTO_OFFLINE 0xDB
  294. /* Password used in TF4 & TF5 executing SMART commands */
  295. #define SMART_LCYL_PASS 0x4F
  296. #define SMART_HCYL_PASS 0xC2
  297. /* WIN_SETFEATURES sub-commands */
  298. #define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */
  299. #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
  300. #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
  301. #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
  302. #define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */
  303. #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
  304. #define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */
  305. #define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
  306. #define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */
  307. #define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */
  308. #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
  309. #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
  310. #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
  311. #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
  312. #define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */
  313. #define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */
  314. #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
  315. #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
  316. #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
  317. #define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */
  318. #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
  319. #define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */
  320. #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
  321. #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
  322. #define SETFEATURES_EN_REST 0xAC /* ATA-1 */
  323. #define SETFEATURES_4B_RW_LONG 0xBB /* Set Lenght of 4 bytes */
  324. #define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */
  325. #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
  326. #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */
  327. #define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */
  328. #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */
  329. /* WIN_SECURITY sub-commands */
  330. #define SECURITY_SET_PASSWORD 0xBA
  331. #define SECURITY_UNLOCK 0xBB
  332. #define SECURITY_ERASE_PREPARE 0xBC
  333. #define SECURITY_ERASE_UNIT 0xBD
  334. #define SECURITY_FREEZE_LOCK 0xBE
  335. #define SECURITY_DISABLE_PASSWORD 0xBF
  336. struct hd_geometry {
  337. unsigned char heads;
  338. unsigned char sectors;
  339. unsigned short cylinders;
  340. unsigned long start;
  341. };
  342. /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
  343. #define HDIO_GETGEO 0x0301 /* get device geometry */
  344. #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
  345. #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
  346. #define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
  347. #define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */
  348. #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
  349. #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
  350. #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
  351. #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
  352. #define HDIO_GET_DMA 0x030b /* get use-dma flag */
  353. #define HDIO_GET_NICE 0x030c /* get nice flags */
  354. #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
  355. #define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
  356. #define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
  357. #define HDIO_GET_ADDRESS 0x0310 /* */
  358. #define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
  359. #define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */
  360. #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
  361. #define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
  362. #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
  363. #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
  364. #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
  365. /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
  366. #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
  367. #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
  368. #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
  369. #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
  370. #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
  371. #define HDIO_SET_DMA 0x0326 /* change use-dma flag */
  372. #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
  373. #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
  374. #define HDIO_SET_NICE 0x0329 /* set nice flags */
  375. #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
  376. #define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
  377. #define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
  378. #define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
  379. #define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
  380. #define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */
  381. /* bus states */
  382. enum {
  383. BUSSTATE_OFF = 0,
  384. BUSSTATE_ON,
  385. BUSSTATE_TRISTATE
  386. };
  387. /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
  388. /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
  389. /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
  390. /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
  391. /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
  392. #define __NEW_HD_DRIVE_ID
  393. /*
  394. * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
  395. *
  396. * If you change something here, please remember to update fix_driveid() in
  397. * ide/probe.c.
  398. */
  399. struct hd_driveid {
  400. unsigned short config; /* lots of obsolete bit flags */
  401. unsigned short cyls; /* Obsolete, "physical" cyls */
  402. unsigned short reserved2; /* reserved (word 2) */
  403. unsigned short heads; /* Obsolete, "physical" heads */
  404. unsigned short track_bytes; /* unformatted bytes per track */
  405. unsigned short sector_bytes; /* unformatted bytes per sector */
  406. unsigned short sectors; /* Obsolete, "physical" sectors per track */
  407. unsigned short vendor0; /* vendor unique */
  408. unsigned short vendor1; /* vendor unique */
  409. unsigned short vendor2; /* Retired vendor unique */
  410. unsigned char serial_no[20]; /* 0 = not_specified */
  411. unsigned short buf_type; /* Retired */
  412. unsigned short buf_size; /* Retired, 512 byte increments
  413. * 0 = not_specified
  414. */
  415. unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
  416. unsigned char fw_rev[8]; /* 0 = not_specified */
  417. unsigned char model[40]; /* 0 = not_specified */
  418. unsigned char max_multsect; /* 0=not_implemented */
  419. unsigned char vendor3; /* vendor unique */
  420. unsigned short dword_io; /* 0=not_implemented; 1=implemented */
  421. unsigned char vendor4; /* vendor unique */
  422. unsigned char capability; /* (upper byte of word 49)
  423. * 3: IORDYsup
  424. * 2: IORDYsw
  425. * 1: LBA
  426. * 0: DMA
  427. */
  428. unsigned short reserved50; /* reserved (word 50) */
  429. unsigned char vendor5; /* Obsolete, vendor unique */
  430. unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
  431. unsigned char vendor6; /* Obsolete, vendor unique */
  432. unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
  433. unsigned short field_valid; /* (word 53)
  434. * 2: ultra_ok word 88
  435. * 1: eide_ok words 64-70
  436. * 0: cur_ok words 54-58
  437. */
  438. unsigned short cur_cyls; /* Obsolete, logical cylinders */
  439. unsigned short cur_heads; /* Obsolete, l heads */
  440. unsigned short cur_sectors; /* Obsolete, l sectors per track */
  441. unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
  442. unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
  443. unsigned char multsect; /* current multiple sector count */
  444. unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
  445. unsigned int lba_capacity; /* Obsolete, total number of sectors */
  446. unsigned short dma_1word; /* Obsolete, single-word dma info */
  447. unsigned short dma_mword; /* multiple-word dma info */
  448. unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
  449. unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
  450. unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
  451. unsigned short eide_pio; /* min cycle time (ns), no IORDY */
  452. unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
  453. unsigned short words69_70[2]; /* reserved words 69-70
  454. * future command overlap and queuing
  455. */
  456. /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
  457. unsigned short words71_74[4]; /* reserved words 71-74
  458. * for IDENTIFY PACKET DEVICE command
  459. */
  460. unsigned short queue_depth; /* (word 75)
  461. * 15:5 reserved
  462. * 4:0 Maximum queue depth -1
  463. */
  464. unsigned short words76_79[4]; /* reserved words 76-79 */
  465. unsigned short major_rev_num; /* (word 80) */
  466. unsigned short minor_rev_num; /* (word 81) */
  467. unsigned short command_set_1; /* (word 82) supported
  468. * 15: Obsolete
  469. * 14: NOP command
  470. * 13: READ_BUFFER
  471. * 12: WRITE_BUFFER
  472. * 11: Obsolete
  473. * 10: Host Protected Area
  474. * 9: DEVICE Reset
  475. * 8: SERVICE Interrupt
  476. * 7: Release Interrupt
  477. * 6: look-ahead
  478. * 5: write cache
  479. * 4: PACKET Command
  480. * 3: Power Management Feature Set
  481. * 2: Removable Feature Set
  482. * 1: Security Feature Set
  483. * 0: SMART Feature Set
  484. */
  485. unsigned short command_set_2; /* (word 83)
  486. * 15: Shall be ZERO
  487. * 14: Shall be ONE
  488. * 13: FLUSH CACHE EXT
  489. * 12: FLUSH CACHE
  490. * 11: Device Configuration Overlay
  491. * 10: 48-bit Address Feature Set
  492. * 9: Automatic Acoustic Management
  493. * 8: SET MAX security
  494. * 7: reserved 1407DT PARTIES
  495. * 6: SetF sub-command Power-Up
  496. * 5: Power-Up in Standby Feature Set
  497. * 4: Removable Media Notification
  498. * 3: APM Feature Set
  499. * 2: CFA Feature Set
  500. * 1: READ/WRITE DMA QUEUED
  501. * 0: Download MicroCode
  502. */
  503. unsigned short cfsse; /* (word 84)
  504. * cmd set-feature supported extensions
  505. * 15: Shall be ZERO
  506. * 14: Shall be ONE
  507. * 13:6 reserved
  508. * 5: General Purpose Logging
  509. * 4: Streaming Feature Set
  510. * 3: Media Card Pass Through
  511. * 2: Media Serial Number Valid
  512. * 1: SMART selt-test supported
  513. * 0: SMART error logging
  514. */
  515. unsigned short cfs_enable_1; /* (word 85)
  516. * command set-feature enabled
  517. * 15: Obsolete
  518. * 14: NOP command
  519. * 13: READ_BUFFER
  520. * 12: WRITE_BUFFER
  521. * 11: Obsolete
  522. * 10: Host Protected Area
  523. * 9: DEVICE Reset
  524. * 8: SERVICE Interrupt
  525. * 7: Release Interrupt
  526. * 6: look-ahead
  527. * 5: write cache
  528. * 4: PACKET Command
  529. * 3: Power Management Feature Set
  530. * 2: Removable Feature Set
  531. * 1: Security Feature Set
  532. * 0: SMART Feature Set
  533. */
  534. unsigned short cfs_enable_2; /* (word 86)
  535. * command set-feature enabled
  536. * 15: Shall be ZERO
  537. * 14: Shall be ONE
  538. * 13: FLUSH CACHE EXT
  539. * 12: FLUSH CACHE
  540. * 11: Device Configuration Overlay
  541. * 10: 48-bit Address Feature Set
  542. * 9: Automatic Acoustic Management
  543. * 8: SET MAX security
  544. * 7: reserved 1407DT PARTIES
  545. * 6: SetF sub-command Power-Up
  546. * 5: Power-Up in Standby Feature Set
  547. * 4: Removable Media Notification
  548. * 3: APM Feature Set
  549. * 2: CFA Feature Set
  550. * 1: READ/WRITE DMA QUEUED
  551. * 0: Download MicroCode
  552. */
  553. unsigned short csf_default; /* (word 87)
  554. * command set-feature default
  555. * 15: Shall be ZERO
  556. * 14: Shall be ONE
  557. * 13:6 reserved
  558. * 5: General Purpose Logging enabled
  559. * 4: Valid CONFIGURE STREAM executed
  560. * 3: Media Card Pass Through enabled
  561. * 2: Media Serial Number Valid
  562. * 1: SMART selt-test supported
  563. * 0: SMART error logging
  564. */
  565. unsigned short dma_ultra; /* (word 88) */
  566. unsigned short trseuc; /* time required for security erase */
  567. unsigned short trsEuc; /* time required for enhanced erase */
  568. unsigned short CurAPMvalues; /* current APM values */
  569. unsigned short mprc; /* master password revision code */
  570. unsigned short hw_config; /* hardware config (word 93)
  571. * 15: Shall be ZERO
  572. * 14: Shall be ONE
  573. * 13:
  574. * 12:
  575. * 11:
  576. * 10:
  577. * 9:
  578. * 8:
  579. * 7:
  580. * 6:
  581. * 5:
  582. * 4:
  583. * 3:
  584. * 2:
  585. * 1:
  586. * 0: Shall be ONE
  587. */
  588. unsigned short acoustic; /* (word 94)
  589. * 15:8 Vendor's recommended value
  590. * 7:0 current value
  591. */
  592. unsigned short msrqs; /* min stream request size */
  593. unsigned short sxfert; /* stream transfer time */
  594. unsigned short sal; /* stream access latency */
  595. unsigned int spg; /* stream performance granularity */
  596. unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
  597. unsigned short words104_125[22];/* reserved words 104-125 */
  598. unsigned short last_lun; /* (word 126) */
  599. unsigned short word127; /* (word 127) Feature Set
  600. * Removable Media Notification
  601. * 15:2 reserved
  602. * 1:0 00 = not supported
  603. * 01 = supported
  604. * 10 = reserved
  605. * 11 = reserved
  606. */
  607. unsigned short dlf; /* (word 128)
  608. * device lock function
  609. * 15:9 reserved
  610. * 8 security level 1:max 0:high
  611. * 7:6 reserved
  612. * 5 enhanced erase
  613. * 4 expire
  614. * 3 frozen
  615. * 2 locked
  616. * 1 en/disabled
  617. * 0 capability
  618. */
  619. unsigned short csfo; /* (word 129)
  620. * current set features options
  621. * 15:4 reserved
  622. * 3: auto reassign
  623. * 2: reverting
  624. * 1: read-look-ahead
  625. * 0: write cache
  626. */
  627. unsigned short words130_155[26];/* reserved vendor words 130-155 */
  628. unsigned short word156; /* reserved vendor word 156 */
  629. unsigned short words157_159[3];/* reserved vendor words 157-159 */
  630. unsigned short cfa_power; /* (word 160) CFA Power Mode
  631. * 15 word 160 supported
  632. * 14 reserved
  633. * 13
  634. * 12
  635. * 11:0
  636. */
  637. unsigned short words161_175[15];/* Reserved for CFA */
  638. unsigned short words176_205[30];/* Current Media Serial Number */
  639. unsigned short words206_254[49];/* reserved words 206-254 */
  640. unsigned short integrity_word; /* (word 255)
  641. * 15:8 Checksum
  642. * 7:0 Signature
  643. */
  644. };
  645. /*
  646. * IDE "nice" flags. These are used on a per drive basis to determine
  647. * when to be nice and give more bandwidth to the other devices which
  648. * share the same IDE bus.
  649. */
  650. #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
  651. #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
  652. #define IDE_NICE_0 (2) /* when sure that it won't affect us */
  653. #define IDE_NICE_1 (3) /* when probably won't affect us much */
  654. #define IDE_NICE_2 (4) /* when we know it's on our expense */
  655. #endif /* _LINUX_HDREG_H */