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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
[linux-2.6/verdex.git] / include / linux / hdreg.h
blobe38e75967e74d765b518c4098cf61ee38e890d22
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 ILI_ERR 0x01 /* Illegal Length Indication (ATAPI) */
48 #define TRK0_ERR 0x02 /* couldn't find track 0 */
49 #define EOM_ERR 0x02 /* End Of Media (ATAPI) */
50 #define ABRT_ERR 0x04 /* Command aborted */
51 #define MCR_ERR 0x08 /* media change request */
52 #define ID_ERR 0x10 /* ID field not found */
53 #define MC_ERR 0x20 /* media changed */
54 #define ECC_ERR 0x40 /* Uncorrectable ECC error */
55 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
56 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
57 #define LFS_ERR 0xf0 /* Last Failed Sense (ATAPI) */
58
59 /* Bits of HD_NSECTOR */
60 #define CD 0x01
61 #define IO 0x02
62 #define REL 0x04
63 #define TAG_MASK 0xf8
64 #endif /* __KERNEL__ */
65
66 #include <linux/types.h>
67
68 /*
69 * Command Header sizes for IOCTL commands
70 */
71
72 #define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(__u8))
73 #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(__u8))
74 #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(__u8))
75
76 #define IDE_DRIVE_TASK_NO_DATA 0
77 #ifndef __KERNEL__
78 #define IDE_DRIVE_TASK_INVALID -1
79 #define IDE_DRIVE_TASK_SET_XFER 1
80 #define IDE_DRIVE_TASK_IN 2
81 #define IDE_DRIVE_TASK_OUT 3
82 #endif
83 #define IDE_DRIVE_TASK_RAW_WRITE 4
84
85 /*
86 * Define standard taskfile in/out register
87 */
88 #define IDE_TASKFILE_STD_IN_FLAGS 0xFE
89 #define IDE_HOB_STD_IN_FLAGS 0x3C
90 #ifndef __KERNEL__
91 #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
92 #define IDE_HOB_STD_OUT_FLAGS 0x3C
93
94 typedef unsigned char task_ioreg_t;
95 typedef unsigned long sata_ioreg_t;
96 #endif
97
98 typedef union ide_reg_valid_s {
99 unsigned all : 16;
100 struct {
101 unsigned data : 1;
102 unsigned error_feature : 1;
103 unsigned sector : 1;
104 unsigned nsector : 1;
105 unsigned lcyl : 1;
106 unsigned hcyl : 1;
107 unsigned select : 1;
108 unsigned status_command : 1;
109
110 unsigned data_hob : 1;
111 unsigned error_feature_hob : 1;
112 unsigned sector_hob : 1;
113 unsigned nsector_hob : 1;
114 unsigned lcyl_hob : 1;
115 unsigned hcyl_hob : 1;
116 unsigned select_hob : 1;
117 unsigned control_hob : 1;
118 } b;
119 } ide_reg_valid_t;
120
121 typedef struct ide_task_request_s {
122 __u8 io_ports[8];
123 __u8 hob_ports[8]; /* bytes 6 and 7 are unused */
124 ide_reg_valid_t out_flags;
125 ide_reg_valid_t in_flags;
126 int data_phase;
127 int req_cmd;
128 unsigned long out_size;
129 unsigned long in_size;
130 } ide_task_request_t;
131
132 typedef struct ide_ioctl_request_s {
133 ide_task_request_t *task_request;
134 unsigned char *out_buffer;
135 unsigned char *in_buffer;
136 } ide_ioctl_request_t;
137
138 struct hd_drive_cmd_hdr {
139 __u8 command;
140 __u8 sector_number;
141 __u8 feature;
142 __u8 sector_count;
143 };
144
145 #ifndef __KERNEL__
146 typedef struct hd_drive_task_hdr {
147 __u8 data;
148 __u8 feature;
149 __u8 sector_count;
150 __u8 sector_number;
151 __u8 low_cylinder;
152 __u8 high_cylinder;
153 __u8 device_head;
154 __u8 command;
155 } task_struct_t;
156
157 typedef struct hd_drive_hob_hdr {
158 __u8 data;
159 __u8 feature;
160 __u8 sector_count;
161 __u8 sector_number;
162 __u8 low_cylinder;
163 __u8 high_cylinder;
164 __u8 device_head;
165 __u8 control;
166 } hob_struct_t;
167 #endif
168
169 #define TASKFILE_NO_DATA 0x0000
170
171 #define TASKFILE_IN 0x0001
172 #define TASKFILE_MULTI_IN 0x0002
173
174 #define TASKFILE_OUT 0x0004
175 #define TASKFILE_MULTI_OUT 0x0008
176 #define TASKFILE_IN_OUT 0x0010
177
178 #define TASKFILE_IN_DMA 0x0020
179 #define TASKFILE_OUT_DMA 0x0040
180 #define TASKFILE_IN_DMAQ 0x0080
181 #define TASKFILE_OUT_DMAQ 0x0100
182
183 #ifndef __KERNEL__
184 #define TASKFILE_P_IN 0x0200
185 #define TASKFILE_P_OUT 0x0400
186 #define TASKFILE_P_IN_DMA 0x0800
187 #define TASKFILE_P_OUT_DMA 0x1000
188 #define TASKFILE_P_IN_DMAQ 0x2000
189 #define TASKFILE_P_OUT_DMAQ 0x4000
190 #define TASKFILE_48 0x8000
191 #define TASKFILE_INVALID 0x7fff
192 #endif
193
194 /* ATA/ATAPI Commands pre T13 Spec */
195 #define WIN_NOP 0x00
196 /*
197 * 0x01->0x02 Reserved
198 */
199 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
200 /*
201 * 0x04->0x07 Reserved
202 */
203 #define WIN_SRST 0x08 /* ATAPI soft reset command */
204 #define WIN_DEVICE_RESET 0x08
205 /*
206 * 0x09->0x0F Reserved
207 */
208 #define WIN_RECAL 0x10
209 #define WIN_RESTORE WIN_RECAL
210 /*
211 * 0x10->0x1F Reserved
212 */
213 #define WIN_READ 0x20 /* 28-Bit */
214 #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
215 #define WIN_READ_LONG 0x22 /* 28-Bit */
216 #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
217 #define WIN_READ_EXT 0x24 /* 48-Bit */
218 #define WIN_READDMA_EXT 0x25 /* 48-Bit */
219 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
220 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
221 /*
222 * 0x28
223 */
224 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
225 /*
226 * 0x2A->0x2F Reserved
227 */
228 #define WIN_WRITE 0x30 /* 28-Bit */
229 #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
230 #define WIN_WRITE_LONG 0x32 /* 28-Bit */
231 #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
232 #define WIN_WRITE_EXT 0x34 /* 48-Bit */
233 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
234 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
235 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
236 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
237 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
238 /*
239 * 0x3A->0x3B Reserved
240 */
241 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
242 /*
243 * 0x3D->0x3F Reserved
244 */
245 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
246 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
247 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
248 /*
249 * 0x43->0x4F Reserved
250 */
251 #define WIN_FORMAT 0x50
252 /*
253 * 0x51->0x5F Reserved
254 */
255 #define WIN_INIT 0x60
256 /*
257 * 0x61->0x5F Reserved
258 */
259 #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
260
261 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
262 #define WIN_DIAGNOSE 0x90
263 #define WIN_SPECIFY 0x91 /* set drive geometry translation */
264 #define WIN_DOWNLOAD_MICROCODE 0x92
265 #define WIN_STANDBYNOW2 0x94
266 #define WIN_STANDBY2 0x96
267 #define WIN_SETIDLE2 0x97
268 #define WIN_CHECKPOWERMODE2 0x98
269 #define WIN_SLEEPNOW2 0x99
270 /*
271 * 0x9A VENDOR
272 */
273 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
274 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
275 #define WIN_QUEUED_SERVICE 0xA2
276 #define WIN_SMART 0xB0 /* self-monitoring and reporting */
277 #define CFA_ERASE_SECTORS 0xC0
278 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
279 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
280 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
281 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
282 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
283 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
284 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
285 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
286 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
287 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
288 #define WIN_GETMEDIASTATUS 0xDA
289 #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
290 #define WIN_POSTBOOT 0xDC
291 #define WIN_PREBOOT 0xDD
292 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
293 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
294 #define WIN_STANDBYNOW1 0xE0
295 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
296 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
297 #define WIN_SETIDLE1 0xE3
298 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
299 #define WIN_CHECKPOWERMODE1 0xE5
300 #define WIN_SLEEPNOW1 0xE6
301 #define WIN_FLUSH_CACHE 0xE7
302 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
303 #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
304 /* SET_FEATURES 0x22 or 0xDD */
305 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
306 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
307 #define WIN_MEDIAEJECT 0xED
308 #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
309 #define WIN_SETFEATURES 0xEF /* set special drive features */
310 #define EXABYTE_ENABLE_NEST 0xF0
311 #define WIN_SECURITY_SET_PASS 0xF1
312 #define WIN_SECURITY_UNLOCK 0xF2
313 #define WIN_SECURITY_ERASE_PREPARE 0xF3
314 #define WIN_SECURITY_ERASE_UNIT 0xF4
315 #define WIN_SECURITY_FREEZE_LOCK 0xF5
316 #define WIN_SECURITY_DISABLE 0xF6
317 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
318 #define WIN_SET_MAX 0xF9
319 #define DISABLE_SEAGATE 0xFB
320
321 /* WIN_SMART sub-commands */
322
323 #define SMART_READ_VALUES 0xD0
324 #define SMART_READ_THRESHOLDS 0xD1
325 #define SMART_AUTOSAVE 0xD2
326 #define SMART_SAVE 0xD3
327 #define SMART_IMMEDIATE_OFFLINE 0xD4
328 #define SMART_READ_LOG_SECTOR 0xD5
329 #define SMART_WRITE_LOG_SECTOR 0xD6
330 #define SMART_WRITE_THRESHOLDS 0xD7
331 #define SMART_ENABLE 0xD8
332 #define SMART_DISABLE 0xD9
333 #define SMART_STATUS 0xDA
334 #define SMART_AUTO_OFFLINE 0xDB
335
336 /* Password used in TF4 & TF5 executing SMART commands */
337
338 #define SMART_LCYL_PASS 0x4F
339 #define SMART_HCYL_PASS 0xC2
340
341 /* WIN_SETFEATURES sub-commands */
342 #define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */
343 #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
344 #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
345 #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
346 #define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */
347 #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
348 #define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */
349 #define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
350 #define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */
351 #define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */
352 #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
353 #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
354 #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
355 #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
356 #define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */
357 #define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */
358 #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
359 #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
360 #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
361 #define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */
362 #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
363 #define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */
364 #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
365 #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
366 #define SETFEATURES_EN_REST 0xAC /* ATA-1 */
367 #define SETFEATURES_4B_RW_LONG 0xBB /* Set Length of 4 bytes */
368 #define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */
369 #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
370 #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */
371 #define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */
372 #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */
373
374 /* WIN_SECURITY sub-commands */
375
376 #define SECURITY_SET_PASSWORD 0xBA
377 #define SECURITY_UNLOCK 0xBB
378 #define SECURITY_ERASE_PREPARE 0xBC
379 #define SECURITY_ERASE_UNIT 0xBD
380 #define SECURITY_FREEZE_LOCK 0xBE
381 #define SECURITY_DISABLE_PASSWORD 0xBF
382
383 struct hd_geometry {
384 unsigned char heads;
385 unsigned char sectors;
386 unsigned short cylinders;
387 unsigned long start;
388 };
389
390 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
391 #define HDIO_GETGEO 0x0301 /* get device geometry */
392 #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
393 #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
394 #define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
395
396 #define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */
397
398 #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
399 #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
400 #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
401 #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
402 #define HDIO_GET_DMA 0x030b /* get use-dma flag */
403 #define HDIO_GET_NICE 0x030c /* get nice flags */
404 #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
405 #define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
406 #define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
407 #define HDIO_GET_ADDRESS 0x0310 /* */
408
409 #define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
410 #define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */
411 #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
412 #define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
413 #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
414 #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
415 #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
416
417 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
418 #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
419 #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
420 #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
421 #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
422 #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
423 #define HDIO_SET_DMA 0x0326 /* change use-dma flag */
424 #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
425 #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
426 #define HDIO_SET_NICE 0x0329 /* set nice flags */
427 #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
428 #define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
429 #define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
430 #define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
431 #define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
432 #define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */
433
434 /* bus states */
435 enum {
436 BUSSTATE_OFF = 0,
437 BUSSTATE_ON,
438 BUSSTATE_TRISTATE
439 };
440
441 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
442 /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
443 /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
444 /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
445 /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
446
447 #define __NEW_HD_DRIVE_ID
448
449 /*
450 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
451 *
452 * If you change something here, please remember to update fix_driveid() in
453 * ide/probe.c.
454 */
455 struct hd_driveid {
456 unsigned short config; /* lots of obsolete bit flags */
457 unsigned short cyls; /* Obsolete, "physical" cyls */
458 unsigned short reserved2; /* reserved (word 2) */
459 unsigned short heads; /* Obsolete, "physical" heads */
460 unsigned short track_bytes; /* unformatted bytes per track */
461 unsigned short sector_bytes; /* unformatted bytes per sector */
462 unsigned short sectors; /* Obsolete, "physical" sectors per track */
463 unsigned short vendor0; /* vendor unique */
464 unsigned short vendor1; /* vendor unique */
465 unsigned short vendor2; /* Retired vendor unique */
466 unsigned char serial_no[20]; /* 0 = not_specified */
467 unsigned short buf_type; /* Retired */
468 unsigned short buf_size; /* Retired, 512 byte increments
469 * 0 = not_specified
470 */
471 unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
472 unsigned char fw_rev[8]; /* 0 = not_specified */
473 unsigned char model[40]; /* 0 = not_specified */
474 unsigned char max_multsect; /* 0=not_implemented */
475 unsigned char vendor3; /* vendor unique */
476 unsigned short dword_io; /* 0=not_implemented; 1=implemented */
477 unsigned char vendor4; /* vendor unique */
478 unsigned char capability; /* (upper byte of word 49)
479 * 3: IORDYsup
480 * 2: IORDYsw
481 * 1: LBA
482 * 0: DMA
483 */
484 unsigned short reserved50; /* reserved (word 50) */
485 unsigned char vendor5; /* Obsolete, vendor unique */
486 unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
487 unsigned char vendor6; /* Obsolete, vendor unique */
488 unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
489 unsigned short field_valid; /* (word 53)
490 * 2: ultra_ok word 88
491 * 1: eide_ok words 64-70
492 * 0: cur_ok words 54-58
493 */
494 unsigned short cur_cyls; /* Obsolete, logical cylinders */
495 unsigned short cur_heads; /* Obsolete, l heads */
496 unsigned short cur_sectors; /* Obsolete, l sectors per track */
497 unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
498 unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
499 unsigned char multsect; /* current multiple sector count */
500 unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
501 unsigned int lba_capacity; /* Obsolete, total number of sectors */
502 unsigned short dma_1word; /* Obsolete, single-word dma info */
503 unsigned short dma_mword; /* multiple-word dma info */
504 unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
505 unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
506 unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
507 unsigned short eide_pio; /* min cycle time (ns), no IORDY */
508 unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
509 unsigned short words69_70[2]; /* reserved words 69-70
510 * future command overlap and queuing
511 */
512 /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
513 unsigned short words71_74[4]; /* reserved words 71-74
514 * for IDENTIFY PACKET DEVICE command
515 */
516 unsigned short queue_depth; /* (word 75)
517 * 15:5 reserved
518 * 4:0 Maximum queue depth -1
519 */
520 unsigned short words76_79[4]; /* reserved words 76-79 */
521 unsigned short major_rev_num; /* (word 80) */
522 unsigned short minor_rev_num; /* (word 81) */
523 unsigned short command_set_1; /* (word 82) supported
524 * 15: Obsolete
525 * 14: NOP command
526 * 13: READ_BUFFER
527 * 12: WRITE_BUFFER
528 * 11: Obsolete
529 * 10: Host Protected Area
530 * 9: DEVICE Reset
531 * 8: SERVICE Interrupt
532 * 7: Release Interrupt
533 * 6: look-ahead
534 * 5: write cache
535 * 4: PACKET Command
536 * 3: Power Management Feature Set
537 * 2: Removable Feature Set
538 * 1: Security Feature Set
539 * 0: SMART Feature Set
540 */
541 unsigned short command_set_2; /* (word 83)
542 * 15: Shall be ZERO
543 * 14: Shall be ONE
544 * 13: FLUSH CACHE EXT
545 * 12: FLUSH CACHE
546 * 11: Device Configuration Overlay
547 * 10: 48-bit Address Feature Set
548 * 9: Automatic Acoustic Management
549 * 8: SET MAX security
550 * 7: reserved 1407DT PARTIES
551 * 6: SetF sub-command Power-Up
552 * 5: Power-Up in Standby Feature Set
553 * 4: Removable Media Notification
554 * 3: APM Feature Set
555 * 2: CFA Feature Set
556 * 1: READ/WRITE DMA QUEUED
557 * 0: Download MicroCode
558 */
559 unsigned short cfsse; /* (word 84)
560 * cmd set-feature supported extensions
561 * 15: Shall be ZERO
562 * 14: Shall be ONE
563 * 13:6 reserved
564 * 5: General Purpose Logging
565 * 4: Streaming Feature Set
566 * 3: Media Card Pass Through
567 * 2: Media Serial Number Valid
568 * 1: SMART selt-test supported
569 * 0: SMART error logging
570 */
571 unsigned short cfs_enable_1; /* (word 85)
572 * command set-feature enabled
573 * 15: Obsolete
574 * 14: NOP command
575 * 13: READ_BUFFER
576 * 12: WRITE_BUFFER
577 * 11: Obsolete
578 * 10: Host Protected Area
579 * 9: DEVICE Reset
580 * 8: SERVICE Interrupt
581 * 7: Release Interrupt
582 * 6: look-ahead
583 * 5: write cache
584 * 4: PACKET Command
585 * 3: Power Management Feature Set
586 * 2: Removable Feature Set
587 * 1: Security Feature Set
588 * 0: SMART Feature Set
589 */
590 unsigned short cfs_enable_2; /* (word 86)
591 * command set-feature enabled
592 * 15: Shall be ZERO
593 * 14: Shall be ONE
594 * 13: FLUSH CACHE EXT
595 * 12: FLUSH CACHE
596 * 11: Device Configuration Overlay
597 * 10: 48-bit Address Feature Set
598 * 9: Automatic Acoustic Management
599 * 8: SET MAX security
600 * 7: reserved 1407DT PARTIES
601 * 6: SetF sub-command Power-Up
602 * 5: Power-Up in Standby Feature Set
603 * 4: Removable Media Notification
604 * 3: APM Feature Set
605 * 2: CFA Feature Set
606 * 1: READ/WRITE DMA QUEUED
607 * 0: Download MicroCode
608 */
609 unsigned short csf_default; /* (word 87)
610 * command set-feature default
611 * 15: Shall be ZERO
612 * 14: Shall be ONE
613 * 13:6 reserved
614 * 5: General Purpose Logging enabled
615 * 4: Valid CONFIGURE STREAM executed
616 * 3: Media Card Pass Through enabled
617 * 2: Media Serial Number Valid
618 * 1: SMART selt-test supported
619 * 0: SMART error logging
620 */
621 unsigned short dma_ultra; /* (word 88) */
622 unsigned short trseuc; /* time required for security erase */
623 unsigned short trsEuc; /* time required for enhanced erase */
624 unsigned short CurAPMvalues; /* current APM values */
625 unsigned short mprc; /* master password revision code */
626 unsigned short hw_config; /* hardware config (word 93)
627 * 15: Shall be ZERO
628 * 14: Shall be ONE
629 * 13:
630 * 12:
631 * 11:
632 * 10:
633 * 9:
634 * 8:
635 * 7:
636 * 6:
637 * 5:
638 * 4:
639 * 3:
640 * 2:
641 * 1:
642 * 0: Shall be ONE
643 */
644 unsigned short acoustic; /* (word 94)
645 * 15:8 Vendor's recommended value
646 * 7:0 current value
647 */
648 unsigned short msrqs; /* min stream request size */
649 unsigned short sxfert; /* stream transfer time */
650 unsigned short sal; /* stream access latency */
651 unsigned int spg; /* stream performance granularity */
652 unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
653 unsigned short words104_125[22];/* reserved words 104-125 */
654 unsigned short last_lun; /* (word 126) */
655 unsigned short word127; /* (word 127) Feature Set
656 * Removable Media Notification
657 * 15:2 reserved
658 * 1:0 00 = not supported
659 * 01 = supported
660 * 10 = reserved
661 * 11 = reserved
662 */
663 unsigned short dlf; /* (word 128)
664 * device lock function
665 * 15:9 reserved
666 * 8 security level 1:max 0:high
667 * 7:6 reserved
668 * 5 enhanced erase
669 * 4 expire
670 * 3 frozen
671 * 2 locked
672 * 1 en/disabled
673 * 0 capability
674 */
675 unsigned short csfo; /* (word 129)
676 * current set features options
677 * 15:4 reserved
678 * 3: auto reassign
679 * 2: reverting
680 * 1: read-look-ahead
681 * 0: write cache
682 */
683 unsigned short words130_155[26];/* reserved vendor words 130-155 */
684 unsigned short word156; /* reserved vendor word 156 */
685 unsigned short words157_159[3];/* reserved vendor words 157-159 */
686 unsigned short cfa_power; /* (word 160) CFA Power Mode
687 * 15 word 160 supported
688 * 14 reserved
689 * 13
690 * 12
691 * 11:0
692 */
693 unsigned short words161_175[15];/* Reserved for CFA */
694 unsigned short words176_205[30];/* Current Media Serial Number */
695 unsigned short words206_254[49];/* reserved words 206-254 */
696 unsigned short integrity_word; /* (word 255)
697 * 15:8 Checksum
698 * 7:0 Signature
699 */
700 };
701
702 /*
703 * IDE "nice" flags. These are used on a per drive basis to determine
704 * when to be nice and give more bandwidth to the other devices which
705 * share the same IDE bus.
706 */
707 #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
708 #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
709 #define IDE_NICE_1 (3) /* when probably won't affect us much */
710 #ifndef __KERNEL__
711 #define IDE_NICE_0 (2) /* when sure that it won't affect us */
712 #define IDE_NICE_2 (4) /* when we know it's on our expense */
713 #endif
714
715 #endif /* _LINUX_HDREG_H */
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