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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [hdreg.h] - Blame information for rev 81

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

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