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Linux v2.6.13-rc3
[pohmelfs.git] / include / linux / hdreg.h
blobb5d660089de42f8b91b420dd2cf15e1ba9d5f97d
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_OUT_FLAGS 0xFE
84 #define IDE_TASKFILE_STD_IN_FLAGS 0xFE
85 #define IDE_HOB_STD_OUT_FLAGS 0x3C
86 #define IDE_HOB_STD_IN_FLAGS 0x3C
87
88 typedef unsigned char task_ioreg_t;
89 typedef unsigned long sata_ioreg_t;
90
91 typedef union ide_reg_valid_s {
92 unsigned all : 16;
93 struct {
94 unsigned data : 1;
95 unsigned error_feature : 1;
96 unsigned sector : 1;
97 unsigned nsector : 1;
98 unsigned lcyl : 1;
99 unsigned hcyl : 1;
100 unsigned select : 1;
101 unsigned status_command : 1;
102
103 unsigned data_hob : 1;
104 unsigned error_feature_hob : 1;
105 unsigned sector_hob : 1;
106 unsigned nsector_hob : 1;
107 unsigned lcyl_hob : 1;
108 unsigned hcyl_hob : 1;
109 unsigned select_hob : 1;
110 unsigned control_hob : 1;
111 } b;
112 } ide_reg_valid_t;
113
114 typedef struct ide_task_request_s {
115 task_ioreg_t io_ports[8];
116 task_ioreg_t hob_ports[8];
117 ide_reg_valid_t out_flags;
118 ide_reg_valid_t in_flags;
119 int data_phase;
120 int req_cmd;
121 unsigned long out_size;
122 unsigned long in_size;
123 } ide_task_request_t;
124
125 typedef struct ide_ioctl_request_s {
126 ide_task_request_t *task_request;
127 unsigned char *out_buffer;
128 unsigned char *in_buffer;
129 } ide_ioctl_request_t;
130
131 struct hd_drive_cmd_hdr {
132 task_ioreg_t command;
133 task_ioreg_t sector_number;
134 task_ioreg_t feature;
135 task_ioreg_t sector_count;
136 };
137
138 typedef struct hd_drive_task_hdr {
139 task_ioreg_t data;
140 task_ioreg_t feature;
141 task_ioreg_t sector_count;
142 task_ioreg_t sector_number;
143 task_ioreg_t low_cylinder;
144 task_ioreg_t high_cylinder;
145 task_ioreg_t device_head;
146 task_ioreg_t command;
147 } task_struct_t;
148
149 typedef struct hd_drive_hob_hdr {
150 task_ioreg_t data;
151 task_ioreg_t feature;
152 task_ioreg_t sector_count;
153 task_ioreg_t sector_number;
154 task_ioreg_t low_cylinder;
155 task_ioreg_t high_cylinder;
156 task_ioreg_t device_head;
157 task_ioreg_t control;
158 } hob_struct_t;
159
160 #define TASKFILE_INVALID 0x7fff
161 #define TASKFILE_48 0x8000
162
163 #define TASKFILE_NO_DATA 0x0000
164
165 #define TASKFILE_IN 0x0001
166 #define TASKFILE_MULTI_IN 0x0002
167
168 #define TASKFILE_OUT 0x0004
169 #define TASKFILE_MULTI_OUT 0x0008
170 #define TASKFILE_IN_OUT 0x0010
171
172 #define TASKFILE_IN_DMA 0x0020
173 #define TASKFILE_OUT_DMA 0x0040
174 #define TASKFILE_IN_DMAQ 0x0080
175 #define TASKFILE_OUT_DMAQ 0x0100
176
177 #define TASKFILE_P_IN 0x0200
178 #define TASKFILE_P_OUT 0x0400
179 #define TASKFILE_P_IN_DMA 0x0800
180 #define TASKFILE_P_OUT_DMA 0x1000
181 #define TASKFILE_P_IN_DMAQ 0x2000
182 #define TASKFILE_P_OUT_DMAQ 0x4000
183
184 /* ATA/ATAPI Commands pre T13 Spec */
185 #define WIN_NOP 0x00
186 /*
187 * 0x01->0x02 Reserved
188 */
189 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
190 /*
191 * 0x04->0x07 Reserved
192 */
193 #define WIN_SRST 0x08 /* ATAPI soft reset command */
194 #define WIN_DEVICE_RESET 0x08
195 /*
196 * 0x09->0x0F Reserved
197 */
198 #define WIN_RECAL 0x10
199 #define WIN_RESTORE WIN_RECAL
200 /*
201 * 0x10->0x1F Reserved
202 */
203 #define WIN_READ 0x20 /* 28-Bit */
204 #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
205 #define WIN_READ_LONG 0x22 /* 28-Bit */
206 #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
207 #define WIN_READ_EXT 0x24 /* 48-Bit */
208 #define WIN_READDMA_EXT 0x25 /* 48-Bit */
209 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
210 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
211 /*
212 * 0x28
213 */
214 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
215 /*
216 * 0x2A->0x2F Reserved
217 */
218 #define WIN_WRITE 0x30 /* 28-Bit */
219 #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
220 #define WIN_WRITE_LONG 0x32 /* 28-Bit */
221 #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
222 #define WIN_WRITE_EXT 0x34 /* 48-Bit */
223 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
224 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
225 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
226 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
227 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
228 /*
229 * 0x3A->0x3B Reserved
230 */
231 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
232 /*
233 * 0x3D->0x3F Reserved
234 */
235 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
236 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
237 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
238 /*
239 * 0x43->0x4F Reserved
240 */
241 #define WIN_FORMAT 0x50
242 /*
243 * 0x51->0x5F Reserved
244 */
245 #define WIN_INIT 0x60
246 /*
247 * 0x61->0x5F Reserved
248 */
249 #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
250
251 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
252 #define WIN_DIAGNOSE 0x90
253 #define WIN_SPECIFY 0x91 /* set drive geometry translation */
254 #define WIN_DOWNLOAD_MICROCODE 0x92
255 #define WIN_STANDBYNOW2 0x94
256 #define WIN_STANDBY2 0x96
257 #define WIN_SETIDLE2 0x97
258 #define WIN_CHECKPOWERMODE2 0x98
259 #define WIN_SLEEPNOW2 0x99
260 /*
261 * 0x9A VENDOR
262 */
263 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
264 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
265 #define WIN_QUEUED_SERVICE 0xA2
266 #define WIN_SMART 0xB0 /* self-monitoring and reporting */
267 #define CFA_ERASE_SECTORS 0xC0
268 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
269 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
270 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
271 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
272 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
273 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
274 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
275 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
276 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
277 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
278 #define WIN_GETMEDIASTATUS 0xDA
279 #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
280 #define WIN_POSTBOOT 0xDC
281 #define WIN_PREBOOT 0xDD
282 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
283 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
284 #define WIN_STANDBYNOW1 0xE0
285 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
286 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
287 #define WIN_SETIDLE1 0xE3
288 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
289 #define WIN_CHECKPOWERMODE1 0xE5
290 #define WIN_SLEEPNOW1 0xE6
291 #define WIN_FLUSH_CACHE 0xE7
292 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
293 #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
294 /* SET_FEATURES 0x22 or 0xDD */
295 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
296 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
297 #define WIN_MEDIAEJECT 0xED
298 #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
299 #define WIN_SETFEATURES 0xEF /* set special drive features */
300 #define EXABYTE_ENABLE_NEST 0xF0
301 #define WIN_SECURITY_SET_PASS 0xF1
302 #define WIN_SECURITY_UNLOCK 0xF2
303 #define WIN_SECURITY_ERASE_PREPARE 0xF3
304 #define WIN_SECURITY_ERASE_UNIT 0xF4
305 #define WIN_SECURITY_FREEZE_LOCK 0xF5
306 #define WIN_SECURITY_DISABLE 0xF6
307 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
308 #define WIN_SET_MAX 0xF9
309 #define DISABLE_SEAGATE 0xFB
310
311 /* WIN_SMART sub-commands */
312
313 #define SMART_READ_VALUES 0xD0
314 #define SMART_READ_THRESHOLDS 0xD1
315 #define SMART_AUTOSAVE 0xD2
316 #define SMART_SAVE 0xD3
317 #define SMART_IMMEDIATE_OFFLINE 0xD4
318 #define SMART_READ_LOG_SECTOR 0xD5
319 #define SMART_WRITE_LOG_SECTOR 0xD6
320 #define SMART_WRITE_THRESHOLDS 0xD7
321 #define SMART_ENABLE 0xD8
322 #define SMART_DISABLE 0xD9
323 #define SMART_STATUS 0xDA
324 #define SMART_AUTO_OFFLINE 0xDB
325
326 /* Password used in TF4 & TF5 executing SMART commands */
327
328 #define SMART_LCYL_PASS 0x4F
329 #define SMART_HCYL_PASS 0xC2
330
331 /* WIN_SETFEATURES sub-commands */
332 #define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */
333 #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
334 #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
335 #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
336 #define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */
337 #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
338 #define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */
339 #define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
340 #define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */
341 #define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */
342 #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
343 #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
344 #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
345 #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
346 #define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */
347 #define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */
348 #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
349 #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
350 #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
351 #define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */
352 #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
353 #define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */
354 #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
355 #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
356 #define SETFEATURES_EN_REST 0xAC /* ATA-1 */
357 #define SETFEATURES_4B_RW_LONG 0xBB /* Set Lenght of 4 bytes */
358 #define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */
359 #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
360 #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */
361 #define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */
362 #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */
363
364 /* WIN_SECURITY sub-commands */
365
366 #define SECURITY_SET_PASSWORD 0xBA
367 #define SECURITY_UNLOCK 0xBB
368 #define SECURITY_ERASE_PREPARE 0xBC
369 #define SECURITY_ERASE_UNIT 0xBD
370 #define SECURITY_FREEZE_LOCK 0xBE
371 #define SECURITY_DISABLE_PASSWORD 0xBF
372
373 struct hd_geometry {
374 unsigned char heads;
375 unsigned char sectors;
376 unsigned short cylinders;
377 unsigned long start;
378 };
379
380 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
381 #define HDIO_GETGEO 0x0301 /* get device geometry */
382 #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
383 #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
384 #define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
385
386 #define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */
387
388 #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
389 #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
390 #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
391 #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
392 #define HDIO_GET_DMA 0x030b /* get use-dma flag */
393 #define HDIO_GET_NICE 0x030c /* get nice flags */
394 #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
395 #define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
396 #define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
397 #define HDIO_GET_ADDRESS 0x0310 /* */
398
399 #define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
400 #define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */
401 #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
402 #define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
403 #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
404 #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
405 #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
406
407 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
408 #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
409 #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
410 #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
411 #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
412 #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
413 #define HDIO_SET_DMA 0x0326 /* change use-dma flag */
414 #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
415 #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
416 #define HDIO_SET_NICE 0x0329 /* set nice flags */
417 #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
418 #define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
419 #define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
420 #define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
421 #define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
422 #define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */
423
424 /* bus states */
425 enum {
426 BUSSTATE_OFF = 0,
427 BUSSTATE_ON,
428 BUSSTATE_TRISTATE
429 };
430
431 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
432 /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
433 /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
434 /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
435 /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
436
437 #define __NEW_HD_DRIVE_ID
438
439 /*
440 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
441 *
442 * If you change something here, please remember to update fix_driveid() in
443 * ide/probe.c.
444 */
445 struct hd_driveid {
446 unsigned short config; /* lots of obsolete bit flags */
447 unsigned short cyls; /* Obsolete, "physical" cyls */
448 unsigned short reserved2; /* reserved (word 2) */
449 unsigned short heads; /* Obsolete, "physical" heads */
450 unsigned short track_bytes; /* unformatted bytes per track */
451 unsigned short sector_bytes; /* unformatted bytes per sector */
452 unsigned short sectors; /* Obsolete, "physical" sectors per track */
453 unsigned short vendor0; /* vendor unique */
454 unsigned short vendor1; /* vendor unique */
455 unsigned short vendor2; /* Retired vendor unique */
456 unsigned char serial_no[20]; /* 0 = not_specified */
457 unsigned short buf_type; /* Retired */
458 unsigned short buf_size; /* Retired, 512 byte increments
459 * 0 = not_specified
460 */
461 unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
462 unsigned char fw_rev[8]; /* 0 = not_specified */
463 unsigned char model[40]; /* 0 = not_specified */
464 unsigned char max_multsect; /* 0=not_implemented */
465 unsigned char vendor3; /* vendor unique */
466 unsigned short dword_io; /* 0=not_implemented; 1=implemented */
467 unsigned char vendor4; /* vendor unique */
468 unsigned char capability; /* (upper byte of word 49)
469 * 3: IORDYsup
470 * 2: IORDYsw
471 * 1: LBA
472 * 0: DMA
473 */
474 unsigned short reserved50; /* reserved (word 50) */
475 unsigned char vendor5; /* Obsolete, vendor unique */
476 unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
477 unsigned char vendor6; /* Obsolete, vendor unique */
478 unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
479 unsigned short field_valid; /* (word 53)
480 * 2: ultra_ok word 88
481 * 1: eide_ok words 64-70
482 * 0: cur_ok words 54-58
483 */
484 unsigned short cur_cyls; /* Obsolete, logical cylinders */
485 unsigned short cur_heads; /* Obsolete, l heads */
486 unsigned short cur_sectors; /* Obsolete, l sectors per track */
487 unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
488 unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
489 unsigned char multsect; /* current multiple sector count */
490 unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
491 unsigned int lba_capacity; /* Obsolete, total number of sectors */
492 unsigned short dma_1word; /* Obsolete, single-word dma info */
493 unsigned short dma_mword; /* multiple-word dma info */
494 unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
495 unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
496 unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
497 unsigned short eide_pio; /* min cycle time (ns), no IORDY */
498 unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
499 unsigned short words69_70[2]; /* reserved words 69-70
500 * future command overlap and queuing
501 */
502 /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
503 unsigned short words71_74[4]; /* reserved words 71-74
504 * for IDENTIFY PACKET DEVICE command
505 */
506 unsigned short queue_depth; /* (word 75)
507 * 15:5 reserved
508 * 4:0 Maximum queue depth -1
509 */
510 unsigned short words76_79[4]; /* reserved words 76-79 */
511 unsigned short major_rev_num; /* (word 80) */
512 unsigned short minor_rev_num; /* (word 81) */
513 unsigned short command_set_1; /* (word 82) supported
514 * 15: Obsolete
515 * 14: NOP command
516 * 13: READ_BUFFER
517 * 12: WRITE_BUFFER
518 * 11: Obsolete
519 * 10: Host Protected Area
520 * 9: DEVICE Reset
521 * 8: SERVICE Interrupt
522 * 7: Release Interrupt
523 * 6: look-ahead
524 * 5: write cache
525 * 4: PACKET Command
526 * 3: Power Management Feature Set
527 * 2: Removable Feature Set
528 * 1: Security Feature Set
529 * 0: SMART Feature Set
530 */
531 unsigned short command_set_2; /* (word 83)
532 * 15: Shall be ZERO
533 * 14: Shall be ONE
534 * 13: FLUSH CACHE EXT
535 * 12: FLUSH CACHE
536 * 11: Device Configuration Overlay
537 * 10: 48-bit Address Feature Set
538 * 9: Automatic Acoustic Management
539 * 8: SET MAX security
540 * 7: reserved 1407DT PARTIES
541 * 6: SetF sub-command Power-Up
542 * 5: Power-Up in Standby Feature Set
543 * 4: Removable Media Notification
544 * 3: APM Feature Set
545 * 2: CFA Feature Set
546 * 1: READ/WRITE DMA QUEUED
547 * 0: Download MicroCode
548 */
549 unsigned short cfsse; /* (word 84)
550 * cmd set-feature supported extensions
551 * 15: Shall be ZERO
552 * 14: Shall be ONE
553 * 13:6 reserved
554 * 5: General Purpose Logging
555 * 4: Streaming Feature Set
556 * 3: Media Card Pass Through
557 * 2: Media Serial Number Valid
558 * 1: SMART selt-test supported
559 * 0: SMART error logging
560 */
561 unsigned short cfs_enable_1; /* (word 85)
562 * command set-feature enabled
563 * 15: Obsolete
564 * 14: NOP command
565 * 13: READ_BUFFER
566 * 12: WRITE_BUFFER
567 * 11: Obsolete
568 * 10: Host Protected Area
569 * 9: DEVICE Reset
570 * 8: SERVICE Interrupt
571 * 7: Release Interrupt
572 * 6: look-ahead
573 * 5: write cache
574 * 4: PACKET Command
575 * 3: Power Management Feature Set
576 * 2: Removable Feature Set
577 * 1: Security Feature Set
578 * 0: SMART Feature Set
579 */
580 unsigned short cfs_enable_2; /* (word 86)
581 * command set-feature enabled
582 * 15: Shall be ZERO
583 * 14: Shall be ONE
584 * 13: FLUSH CACHE EXT
585 * 12: FLUSH CACHE
586 * 11: Device Configuration Overlay
587 * 10: 48-bit Address Feature Set
588 * 9: Automatic Acoustic Management
589 * 8: SET MAX security
590 * 7: reserved 1407DT PARTIES
591 * 6: SetF sub-command Power-Up
592 * 5: Power-Up in Standby Feature Set
593 * 4: Removable Media Notification
594 * 3: APM Feature Set
595 * 2: CFA Feature Set
596 * 1: READ/WRITE DMA QUEUED
597 * 0: Download MicroCode
598 */
599 unsigned short csf_default; /* (word 87)
600 * command set-feature default
601 * 15: Shall be ZERO
602 * 14: Shall be ONE
603 * 13:6 reserved
604 * 5: General Purpose Logging enabled
605 * 4: Valid CONFIGURE STREAM executed
606 * 3: Media Card Pass Through enabled
607 * 2: Media Serial Number Valid
608 * 1: SMART selt-test supported
609 * 0: SMART error logging
610 */
611 unsigned short dma_ultra; /* (word 88) */
612 unsigned short trseuc; /* time required for security erase */
613 unsigned short trsEuc; /* time required for enhanced erase */
614 unsigned short CurAPMvalues; /* current APM values */
615 unsigned short mprc; /* master password revision code */
616 unsigned short hw_config; /* hardware config (word 93)
617 * 15: Shall be ZERO
618 * 14: Shall be ONE
619 * 13:
620 * 12:
621 * 11:
622 * 10:
623 * 9:
624 * 8:
625 * 7:
626 * 6:
627 * 5:
628 * 4:
629 * 3:
630 * 2:
631 * 1:
632 * 0: Shall be ONE
633 */
634 unsigned short acoustic; /* (word 94)
635 * 15:8 Vendor's recommended value
636 * 7:0 current value
637 */
638 unsigned short msrqs; /* min stream request size */
639 unsigned short sxfert; /* stream transfer time */
640 unsigned short sal; /* stream access latency */
641 unsigned int spg; /* stream performance granularity */
642 unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
643 unsigned short words104_125[22];/* reserved words 104-125 */
644 unsigned short last_lun; /* (word 126) */
645 unsigned short word127; /* (word 127) Feature Set
646 * Removable Media Notification
647 * 15:2 reserved
648 * 1:0 00 = not supported
649 * 01 = supported
650 * 10 = reserved
651 * 11 = reserved
652 */
653 unsigned short dlf; /* (word 128)
654 * device lock function
655 * 15:9 reserved
656 * 8 security level 1:max 0:high
657 * 7:6 reserved
658 * 5 enhanced erase
659 * 4 expire
660 * 3 frozen
661 * 2 locked
662 * 1 en/disabled
663 * 0 capability
664 */
665 unsigned short csfo; /* (word 129)
666 * current set features options
667 * 15:4 reserved
668 * 3: auto reassign
669 * 2: reverting
670 * 1: read-look-ahead
671 * 0: write cache
672 */
673 unsigned short words130_155[26];/* reserved vendor words 130-155 */
674 unsigned short word156; /* reserved vendor word 156 */
675 unsigned short words157_159[3];/* reserved vendor words 157-159 */
676 unsigned short cfa_power; /* (word 160) CFA Power Mode
677 * 15 word 160 supported
678 * 14 reserved
679 * 13
680 * 12
681 * 11:0
682 */
683 unsigned short words161_175[15];/* Reserved for CFA */
684 unsigned short words176_205[30];/* Current Media Serial Number */
685 unsigned short words206_254[49];/* reserved words 206-254 */
686 unsigned short integrity_word; /* (word 255)
687 * 15:8 Checksum
688 * 7:0 Signature
689 */
690 };
691
692 /*
693 * IDE "nice" flags. These are used on a per drive basis to determine
694 * when to be nice and give more bandwidth to the other devices which
695 * share the same IDE bus.
696 */
697 #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
698 #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
699 #define IDE_NICE_0 (2) /* when sure that it won't affect us */
700 #define IDE_NICE_1 (3) /* when probably won't affect us much */
701 #define IDE_NICE_2 (4) /* when we know it's on our expense */
702
703 #endif /* _LINUX_HDREG_H */