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