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Linux v2.6.16-rc1
[linux-2.6/next.git] / include / linux / hdreg.h
blob2b54eac738ea236f3babec4fbb7b4053d2cba82a
1 #ifndef _LINUX_HDREG_H
2 #define _LINUX_HDREG_H
3
4 #ifdef __KERNEL__
5 #include <linux/ata.h>
6
7 /*
8 * This file contains some defines for the AT-hd-controller.
9 * Various sources.
10 */
11
12 /* ide.c has its own port definitions in "ide.h" */
13
14 #define HD_IRQ 14
15
16 /* Hd controller regs. Ref: IBM AT Bios-listing */
17 #define HD_DATA 0x1f0 /* _CTL when writing */
18 #define HD_ERROR 0x1f1 /* see err-bits */
19 #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */
20 #define HD_SECTOR 0x1f3 /* starting sector */
21 #define HD_LCYL 0x1f4 /* starting cylinder */
22 #define HD_HCYL 0x1f5 /* high byte of starting cyl */
23 #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */
24 #define HD_STATUS 0x1f7 /* see status-bits */
25 #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */
26 #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */
27 #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */
28
29 #define HD_CMD 0x3f6 /* used for resets */
30 #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */
31
32 /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
33
34 /* Bits of HD_STATUS */
35 #define ERR_STAT 0x01
36 #define INDEX_STAT 0x02
37 #define ECC_STAT 0x04 /* Corrected error */
38 #define DRQ_STAT 0x08
39 #define SEEK_STAT 0x10
40 #define SRV_STAT 0x10
41 #define WRERR_STAT 0x20
42 #define READY_STAT 0x40
43 #define BUSY_STAT 0x80
44
45 /* Bits for HD_ERROR */
46 #define MARK_ERR 0x01 /* Bad address mark */
47 #define TRK0_ERR 0x02 /* couldn't find track 0 */
48 #define ABRT_ERR 0x04 /* Command aborted */
49 #define MCR_ERR 0x08 /* media change request */
50 #define ID_ERR 0x10 /* ID field not found */
51 #define MC_ERR 0x20 /* media changed */
52 #define ECC_ERR 0x40 /* Uncorrectable ECC error */
53 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
54 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
55
56 /* Bits of HD_NSECTOR */
57 #define CD 0x01
58 #define IO 0x02
59 #define REL 0x04
60 #define TAG_MASK 0xf8
61 #endif /* __KERNEL__ */
62
63 /*
64 * Command Header sizes for IOCTL commands
65 */
66
67 #define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(u8))
68 #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(u8))
69 #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(u8))
70
71 #define IDE_DRIVE_TASK_INVALID -1
72 #define IDE_DRIVE_TASK_NO_DATA 0
73 #define IDE_DRIVE_TASK_SET_XFER 1
74
75 #define IDE_DRIVE_TASK_IN 2
76
77 #define IDE_DRIVE_TASK_OUT 3
78 #define IDE_DRIVE_TASK_RAW_WRITE 4
79
80 /*
81 * Define standard taskfile in/out register
82 */
83 #define IDE_TASKFILE_STD_IN_FLAGS 0xFE
84 #define IDE_HOB_STD_IN_FLAGS 0x3C
85 #ifndef __KERNEL__
86 #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
87 #define IDE_HOB_STD_OUT_FLAGS 0x3C
88 #endif
89
90 typedef unsigned char task_ioreg_t;
91 typedef unsigned long sata_ioreg_t;
92
93 typedef union ide_reg_valid_s {
94 unsigned all : 16;
95 struct {
96 unsigned data : 1;
97 unsigned error_feature : 1;
98 unsigned sector : 1;
99 unsigned nsector : 1;
100 unsigned lcyl : 1;
101 unsigned hcyl : 1;
102 unsigned select : 1;
103 unsigned status_command : 1;
104
105 unsigned data_hob : 1;
106 unsigned error_feature_hob : 1;
107 unsigned sector_hob : 1;
108 unsigned nsector_hob : 1;
109 unsigned lcyl_hob : 1;
110 unsigned hcyl_hob : 1;
111 unsigned select_hob : 1;
112 unsigned control_hob : 1;
113 } b;
114 } ide_reg_valid_t;
115
116 typedef struct ide_task_request_s {
117 task_ioreg_t io_ports[8];
118 task_ioreg_t hob_ports[8];
119 ide_reg_valid_t out_flags;
120 ide_reg_valid_t in_flags;
121 int data_phase;
122 int req_cmd;
123 unsigned long out_size;
124 unsigned long in_size;
125 } ide_task_request_t;
126
127 typedef struct ide_ioctl_request_s {
128 ide_task_request_t *task_request;
129 unsigned char *out_buffer;
130 unsigned char *in_buffer;
131 } ide_ioctl_request_t;
132
133 struct hd_drive_cmd_hdr {
134 task_ioreg_t command;
135 task_ioreg_t sector_number;
136 task_ioreg_t feature;
137 task_ioreg_t sector_count;
138 };
139
140 typedef struct hd_drive_task_hdr {
141 task_ioreg_t data;
142 task_ioreg_t feature;
143 task_ioreg_t sector_count;
144 task_ioreg_t sector_number;
145 task_ioreg_t low_cylinder;
146 task_ioreg_t high_cylinder;
147 task_ioreg_t device_head;
148 task_ioreg_t command;
149 } task_struct_t;
150
151 typedef struct hd_drive_hob_hdr {
152 task_ioreg_t data;
153 task_ioreg_t feature;
154 task_ioreg_t sector_count;
155 task_ioreg_t sector_number;
156 task_ioreg_t low_cylinder;
157 task_ioreg_t high_cylinder;
158 task_ioreg_t device_head;
159 task_ioreg_t control;
160 } hob_struct_t;
161
162 #define TASKFILE_INVALID 0x7fff
163 #define TASKFILE_48 0x8000
164
165 #define TASKFILE_NO_DATA 0x0000
166
167 #define TASKFILE_IN 0x0001
168 #define TASKFILE_MULTI_IN 0x0002
169
170 #define TASKFILE_OUT 0x0004
171 #define TASKFILE_MULTI_OUT 0x0008
172 #define TASKFILE_IN_OUT 0x0010
173
174 #define TASKFILE_IN_DMA 0x0020
175 #define TASKFILE_OUT_DMA 0x0040
176 #define TASKFILE_IN_DMAQ 0x0080
177 #define TASKFILE_OUT_DMAQ 0x0100
178
179 #define TASKFILE_P_IN 0x0200
180 #define TASKFILE_P_OUT 0x0400
181 #define TASKFILE_P_IN_DMA 0x0800
182 #define TASKFILE_P_OUT_DMA 0x1000
183 #define TASKFILE_P_IN_DMAQ 0x2000
184 #define TASKFILE_P_OUT_DMAQ 0x4000
185
186 /* ATA/ATAPI Commands pre T13 Spec */
187 #define WIN_NOP 0x00
188 /*
189 * 0x01->0x02 Reserved
190 */
191 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
192 /*
193 * 0x04->0x07 Reserved
194 */
195 #define WIN_SRST 0x08 /* ATAPI soft reset command */
196 #define WIN_DEVICE_RESET 0x08
197 /*
198 * 0x09->0x0F Reserved
199 */
200 #define WIN_RECAL 0x10
201 #define WIN_RESTORE WIN_RECAL
202 /*
203 * 0x10->0x1F Reserved
204 */
205 #define WIN_READ 0x20 /* 28-Bit */
206 #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
207 #define WIN_READ_LONG 0x22 /* 28-Bit */
208 #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
209 #define WIN_READ_EXT 0x24 /* 48-Bit */
210 #define WIN_READDMA_EXT 0x25 /* 48-Bit */
211 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
212 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
213 /*
214 * 0x28
215 */
216 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
217 /*
218 * 0x2A->0x2F Reserved
219 */
220 #define WIN_WRITE 0x30 /* 28-Bit */
221 #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
222 #define WIN_WRITE_LONG 0x32 /* 28-Bit */
223 #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
224 #define WIN_WRITE_EXT 0x34 /* 48-Bit */
225 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
226 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
227 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
228 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
229 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
230 /*
231 * 0x3A->0x3B Reserved
232 */
233 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
234 /*
235 * 0x3D->0x3F Reserved
236 */
237 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
238 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
239 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
240 /*
241 * 0x43->0x4F Reserved
242 */
243 #define WIN_FORMAT 0x50
244 /*
245 * 0x51->0x5F Reserved
246 */
247 #define WIN_INIT 0x60
248 /*
249 * 0x61->0x5F Reserved
250 */
251 #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
252
253 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
254 #define WIN_DIAGNOSE 0x90
255 #define WIN_SPECIFY 0x91 /* set drive geometry translation */
256 #define WIN_DOWNLOAD_MICROCODE 0x92
257 #define WIN_STANDBYNOW2 0x94
258 #define WIN_STANDBY2 0x96
259 #define WIN_SETIDLE2 0x97
260 #define WIN_CHECKPOWERMODE2 0x98
261 #define WIN_SLEEPNOW2 0x99
262 /*
263 * 0x9A VENDOR
264 */
265 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
266 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
267 #define WIN_QUEUED_SERVICE 0xA2
268 #define WIN_SMART 0xB0 /* self-monitoring and reporting */
269 #define CFA_ERASE_SECTORS 0xC0
270 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
271 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
272 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
273 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
274 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
275 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
276 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
277 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
278 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
279 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
280 #define WIN_GETMEDIASTATUS 0xDA
281 #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
282 #define WIN_POSTBOOT 0xDC
283 #define WIN_PREBOOT 0xDD
284 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
285 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
286 #define WIN_STANDBYNOW1 0xE0
287 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
288 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
289 #define WIN_SETIDLE1 0xE3
290 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
291 #define WIN_CHECKPOWERMODE1 0xE5
292 #define WIN_SLEEPNOW1 0xE6
293 #define WIN_FLUSH_CACHE 0xE7
294 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
295 #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
296 /* SET_FEATURES 0x22 or 0xDD */
297 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
298 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
299 #define WIN_MEDIAEJECT 0xED
300 #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
301 #define WIN_SETFEATURES 0xEF /* set special drive features */
302 #define EXABYTE_ENABLE_NEST 0xF0
303 #define WIN_SECURITY_SET_PASS 0xF1
304 #define WIN_SECURITY_UNLOCK 0xF2
305 #define WIN_SECURITY_ERASE_PREPARE 0xF3
306 #define WIN_SECURITY_ERASE_UNIT 0xF4
307 #define WIN_SECURITY_FREEZE_LOCK 0xF5
308 #define WIN_SECURITY_DISABLE 0xF6
309 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
310 #define WIN_SET_MAX 0xF9
311 #define DISABLE_SEAGATE 0xFB
312
313 /* WIN_SMART sub-commands */
314
315 #define SMART_READ_VALUES 0xD0
316 #define SMART_READ_THRESHOLDS 0xD1
317 #define SMART_AUTOSAVE 0xD2
318 #define SMART_SAVE 0xD3
319 #define SMART_IMMEDIATE_OFFLINE 0xD4
320 #define SMART_READ_LOG_SECTOR 0xD5
321 #define SMART_WRITE_LOG_SECTOR 0xD6
322 #define SMART_WRITE_THRESHOLDS 0xD7
323 #define SMART_ENABLE 0xD8
324 #define SMART_DISABLE 0xD9
325 #define SMART_STATUS 0xDA
326 #define SMART_AUTO_OFFLINE 0xDB
327
328 /* Password used in TF4 & TF5 executing SMART commands */
329
330 #define SMART_LCYL_PASS 0x4F
331 #define SMART_HCYL_PASS 0xC2
332
333 /* WIN_SETFEATURES sub-commands */
334 #define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */
335 #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
336 #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
337 #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
338 #define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */
339 #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
340 #define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */
341 #define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
342 #define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */
343 #define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */
344 #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
345 #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
346 #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
347 #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
348 #define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */
349 #define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */
350 #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
351 #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
352 #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
353 #define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */
354 #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
355 #define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */
356 #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
357 #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
358 #define SETFEATURES_EN_REST 0xAC /* ATA-1 */
359 #define SETFEATURES_4B_RW_LONG 0xBB /* Set Lenght of 4 bytes */
360 #define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */
361 #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
362 #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */
363 #define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */
364 #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */
365
366 /* WIN_SECURITY sub-commands */
367
368 #define SECURITY_SET_PASSWORD 0xBA
369 #define SECURITY_UNLOCK 0xBB
370 #define SECURITY_ERASE_PREPARE 0xBC
371 #define SECURITY_ERASE_UNIT 0xBD
372 #define SECURITY_FREEZE_LOCK 0xBE
373 #define SECURITY_DISABLE_PASSWORD 0xBF
374
375 struct hd_geometry {
376 unsigned char heads;
377 unsigned char sectors;
378 unsigned short cylinders;
379 unsigned long start;
380 };
381
382 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
383 #define HDIO_GETGEO 0x0301 /* get device geometry */
384 #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
385 #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
386 #define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
387
388 #define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */
389
390 #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
391 #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
392 #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
393 #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
394 #define HDIO_GET_DMA 0x030b /* get use-dma flag */
395 #define HDIO_GET_NICE 0x030c /* get nice flags */
396 #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
397 #define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
398 #define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
399 #define HDIO_GET_ADDRESS 0x0310 /* */
400
401 #define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
402 #define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */
403 #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
404 #define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
405 #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
406 #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
407 #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
408
409 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
410 #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
411 #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
412 #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
413 #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
414 #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
415 #define HDIO_SET_DMA 0x0326 /* change use-dma flag */
416 #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
417 #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
418 #define HDIO_SET_NICE 0x0329 /* set nice flags */
419 #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
420 #define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
421 #define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
422 #define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
423 #define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
424 #define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */
425
426 /* bus states */
427 enum {
428 BUSSTATE_OFF = 0,
429 BUSSTATE_ON,
430 BUSSTATE_TRISTATE
431 };
432
433 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
434 /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
435 /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
436 /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
437 /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
438
439 #define __NEW_HD_DRIVE_ID
440
441 /*
442 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
443 *
444 * If you change something here, please remember to update fix_driveid() in
445 * ide/probe.c.
446 */
447 struct hd_driveid {
448 unsigned short config; /* lots of obsolete bit flags */
449 unsigned short cyls; /* Obsolete, "physical" cyls */
450 unsigned short reserved2; /* reserved (word 2) */
451 unsigned short heads; /* Obsolete, "physical" heads */
452 unsigned short track_bytes; /* unformatted bytes per track */
453 unsigned short sector_bytes; /* unformatted bytes per sector */
454 unsigned short sectors; /* Obsolete, "physical" sectors per track */
455 unsigned short vendor0; /* vendor unique */
456 unsigned short vendor1; /* vendor unique */
457 unsigned short vendor2; /* Retired vendor unique */
458 unsigned char serial_no[20]; /* 0 = not_specified */
459 unsigned short buf_type; /* Retired */
460 unsigned short buf_size; /* Retired, 512 byte increments
461 * 0 = not_specified
462 */
463 unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
464 unsigned char fw_rev[8]; /* 0 = not_specified */
465 unsigned char model[40]; /* 0 = not_specified */
466 unsigned char max_multsect; /* 0=not_implemented */
467 unsigned char vendor3; /* vendor unique */
468 unsigned short dword_io; /* 0=not_implemented; 1=implemented */
469 unsigned char vendor4; /* vendor unique */
470 unsigned char capability; /* (upper byte of word 49)
471 * 3: IORDYsup
472 * 2: IORDYsw
473 * 1: LBA
474 * 0: DMA
475 */
476 unsigned short reserved50; /* reserved (word 50) */
477 unsigned char vendor5; /* Obsolete, vendor unique */
478 unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
479 unsigned char vendor6; /* Obsolete, vendor unique */
480 unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
481 unsigned short field_valid; /* (word 53)
482 * 2: ultra_ok word 88
483 * 1: eide_ok words 64-70
484 * 0: cur_ok words 54-58
485 */
486 unsigned short cur_cyls; /* Obsolete, logical cylinders */
487 unsigned short cur_heads; /* Obsolete, l heads */
488 unsigned short cur_sectors; /* Obsolete, l sectors per track */
489 unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
490 unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
491 unsigned char multsect; /* current multiple sector count */
492 unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
493 unsigned int lba_capacity; /* Obsolete, total number of sectors */
494 unsigned short dma_1word; /* Obsolete, single-word dma info */
495 unsigned short dma_mword; /* multiple-word dma info */
496 unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
497 unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
498 unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
499 unsigned short eide_pio; /* min cycle time (ns), no IORDY */
500 unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
501 unsigned short words69_70[2]; /* reserved words 69-70
502 * future command overlap and queuing
503 */
504 /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
505 unsigned short words71_74[4]; /* reserved words 71-74
506 * for IDENTIFY PACKET DEVICE command
507 */
508 unsigned short queue_depth; /* (word 75)
509 * 15:5 reserved
510 * 4:0 Maximum queue depth -1
511 */
512 unsigned short words76_79[4]; /* reserved words 76-79 */
513 unsigned short major_rev_num; /* (word 80) */
514 unsigned short minor_rev_num; /* (word 81) */
515 unsigned short command_set_1; /* (word 82) supported
516 * 15: Obsolete
517 * 14: NOP command
518 * 13: READ_BUFFER
519 * 12: WRITE_BUFFER
520 * 11: Obsolete
521 * 10: Host Protected Area
522 * 9: DEVICE Reset
523 * 8: SERVICE Interrupt
524 * 7: Release Interrupt
525 * 6: look-ahead
526 * 5: write cache
527 * 4: PACKET Command
528 * 3: Power Management Feature Set
529 * 2: Removable Feature Set
530 * 1: Security Feature Set
531 * 0: SMART Feature Set
532 */
533 unsigned short command_set_2; /* (word 83)
534 * 15: Shall be ZERO
535 * 14: Shall be ONE
536 * 13: FLUSH CACHE EXT
537 * 12: FLUSH CACHE
538 * 11: Device Configuration Overlay
539 * 10: 48-bit Address Feature Set
540 * 9: Automatic Acoustic Management
541 * 8: SET MAX security
542 * 7: reserved 1407DT PARTIES
543 * 6: SetF sub-command Power-Up
544 * 5: Power-Up in Standby Feature Set
545 * 4: Removable Media Notification
546 * 3: APM Feature Set
547 * 2: CFA Feature Set
548 * 1: READ/WRITE DMA QUEUED
549 * 0: Download MicroCode
550 */
551 unsigned short cfsse; /* (word 84)
552 * cmd set-feature supported extensions
553 * 15: Shall be ZERO
554 * 14: Shall be ONE
555 * 13:6 reserved
556 * 5: General Purpose Logging
557 * 4: Streaming Feature Set
558 * 3: Media Card Pass Through
559 * 2: Media Serial Number Valid
560 * 1: SMART selt-test supported
561 * 0: SMART error logging
562 */
563 unsigned short cfs_enable_1; /* (word 85)
564 * command set-feature enabled
565 * 15: Obsolete
566 * 14: NOP command
567 * 13: READ_BUFFER
568 * 12: WRITE_BUFFER
569 * 11: Obsolete
570 * 10: Host Protected Area
571 * 9: DEVICE Reset
572 * 8: SERVICE Interrupt
573 * 7: Release Interrupt
574 * 6: look-ahead
575 * 5: write cache
576 * 4: PACKET Command
577 * 3: Power Management Feature Set
578 * 2: Removable Feature Set
579 * 1: Security Feature Set
580 * 0: SMART Feature Set
581 */
582 unsigned short cfs_enable_2; /* (word 86)
583 * command set-feature enabled
584 * 15: Shall be ZERO
585 * 14: Shall be ONE
586 * 13: FLUSH CACHE EXT
587 * 12: FLUSH CACHE
588 * 11: Device Configuration Overlay
589 * 10: 48-bit Address Feature Set
590 * 9: Automatic Acoustic Management
591 * 8: SET MAX security
592 * 7: reserved 1407DT PARTIES
593 * 6: SetF sub-command Power-Up
594 * 5: Power-Up in Standby Feature Set
595 * 4: Removable Media Notification
596 * 3: APM Feature Set
597 * 2: CFA Feature Set
598 * 1: READ/WRITE DMA QUEUED
599 * 0: Download MicroCode
600 */
601 unsigned short csf_default; /* (word 87)
602 * command set-feature default
603 * 15: Shall be ZERO
604 * 14: Shall be ONE
605 * 13:6 reserved
606 * 5: General Purpose Logging enabled
607 * 4: Valid CONFIGURE STREAM executed
608 * 3: Media Card Pass Through enabled
609 * 2: Media Serial Number Valid
610 * 1: SMART selt-test supported
611 * 0: SMART error logging
612 */
613 unsigned short dma_ultra; /* (word 88) */
614 unsigned short trseuc; /* time required for security erase */
615 unsigned short trsEuc; /* time required for enhanced erase */
616 unsigned short CurAPMvalues; /* current APM values */
617 unsigned short mprc; /* master password revision code */
618 unsigned short hw_config; /* hardware config (word 93)
619 * 15: Shall be ZERO
620 * 14: Shall be ONE
621 * 13:
622 * 12:
623 * 11:
624 * 10:
625 * 9:
626 * 8:
627 * 7:
628 * 6:
629 * 5:
630 * 4:
631 * 3:
632 * 2:
633 * 1:
634 * 0: Shall be ONE
635 */
636 unsigned short acoustic; /* (word 94)
637 * 15:8 Vendor's recommended value
638 * 7:0 current value
639 */
640 unsigned short msrqs; /* min stream request size */
641 unsigned short sxfert; /* stream transfer time */
642 unsigned short sal; /* stream access latency */
643 unsigned int spg; /* stream performance granularity */
644 unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
645 unsigned short words104_125[22];/* reserved words 104-125 */
646 unsigned short last_lun; /* (word 126) */
647 unsigned short word127; /* (word 127) Feature Set
648 * Removable Media Notification
649 * 15:2 reserved
650 * 1:0 00 = not supported
651 * 01 = supported
652 * 10 = reserved
653 * 11 = reserved
654 */
655 unsigned short dlf; /* (word 128)
656 * device lock function
657 * 15:9 reserved
658 * 8 security level 1:max 0:high
659 * 7:6 reserved
660 * 5 enhanced erase
661 * 4 expire
662 * 3 frozen
663 * 2 locked
664 * 1 en/disabled
665 * 0 capability
666 */
667 unsigned short csfo; /* (word 129)
668 * current set features options
669 * 15:4 reserved
670 * 3: auto reassign
671 * 2: reverting
672 * 1: read-look-ahead
673 * 0: write cache
674 */
675 unsigned short words130_155[26];/* reserved vendor words 130-155 */
676 unsigned short word156; /* reserved vendor word 156 */
677 unsigned short words157_159[3];/* reserved vendor words 157-159 */
678 unsigned short cfa_power; /* (word 160) CFA Power Mode
679 * 15 word 160 supported
680 * 14 reserved
681 * 13
682 * 12
683 * 11:0
684 */
685 unsigned short words161_175[15];/* Reserved for CFA */
686 unsigned short words176_205[30];/* Current Media Serial Number */
687 unsigned short words206_254[49];/* reserved words 206-254 */
688 unsigned short integrity_word; /* (word 255)
689 * 15:8 Checksum
690 * 7:0 Signature
691 */
692 };
693
694 /*
695 * IDE "nice" flags. These are used on a per drive basis to determine
696 * when to be nice and give more bandwidth to the other devices which
697 * share the same IDE bus.
698 */
699 #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
700 #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
701 #define IDE_NICE_0 (2) /* when sure that it won't affect us */
702 #define IDE_NICE_1 (3) /* when probably won't affect us much */
703 #define IDE_NICE_2 (4) /* when we know it's on our expense */
704
705 #endif /* _LINUX_HDREG_H */
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