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