1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _LINUX_HDREG_H
3#define _LINUX_HDREG_H
4
5#include <linux/types.h>
6
7/*
8 * Command Header sizes for IOCTL commands
9 */
10
11#define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(__u8))
12#define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(__u8))
13#define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(__u8))
14
15#define IDE_DRIVE_TASK_NO_DATA 0
16#define IDE_DRIVE_TASK_INVALID -1
17#define IDE_DRIVE_TASK_SET_XFER 1
18#define IDE_DRIVE_TASK_IN 2
19#define IDE_DRIVE_TASK_OUT 3
20#define IDE_DRIVE_TASK_RAW_WRITE 4
21
22/*
23 * Define standard taskfile in/out register
24 */
25#define IDE_TASKFILE_STD_IN_FLAGS 0xFE
26#define IDE_HOB_STD_IN_FLAGS 0x3C
27#define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
28#define IDE_HOB_STD_OUT_FLAGS 0x3C
29
30typedef unsigned char task_ioreg_t;
31typedef unsigned long sata_ioreg_t;
32
33typedef union ide_reg_valid_s {
34 unsigned all : 16;
35 struct {
36 unsigned data : 1;
37 unsigned error_feature : 1;
38 unsigned sector : 1;
39 unsigned nsector : 1;
40 unsigned lcyl : 1;
41 unsigned hcyl : 1;
42 unsigned select : 1;
43 unsigned status_command : 1;
44
45 unsigned data_hob : 1;
46 unsigned error_feature_hob : 1;
47 unsigned sector_hob : 1;
48 unsigned nsector_hob : 1;
49 unsigned lcyl_hob : 1;
50 unsigned hcyl_hob : 1;
51 unsigned select_hob : 1;
52 unsigned control_hob : 1;
53 } b;
54} ide_reg_valid_t;
55
56typedef struct ide_task_request_s {
57 __u8 io_ports[8];
58 __u8 hob_ports[8]; /* bytes 6 and 7 are unused */
59 ide_reg_valid_t out_flags;
60 ide_reg_valid_t in_flags;
61 int data_phase;
62 int req_cmd;
63 unsigned long out_size;
64 unsigned long in_size;
65} ide_task_request_t;
66
67typedef struct ide_ioctl_request_s {
68 ide_task_request_t *task_request;
69 unsigned char *out_buffer;
70 unsigned char *in_buffer;
71} ide_ioctl_request_t;
72
73struct hd_drive_cmd_hdr {
74 __u8 command;
75 __u8 sector_number;
76 __u8 feature;
77 __u8 sector_count;
78};
79
80typedef struct hd_drive_task_hdr {
81 __u8 data;
82 __u8 feature;
83 __u8 sector_count;
84 __u8 sector_number;
85 __u8 low_cylinder;
86 __u8 high_cylinder;
87 __u8 device_head;
88 __u8 command;
89} task_struct_t;
90
91typedef struct hd_drive_hob_hdr {
92 __u8 data;
93 __u8 feature;
94 __u8 sector_count;
95 __u8 sector_number;
96 __u8 low_cylinder;
97 __u8 high_cylinder;
98 __u8 device_head;
99 __u8 control;
100} hob_struct_t;
101
102#define TASKFILE_NO_DATA 0x0000
103
104#define TASKFILE_IN 0x0001
105#define TASKFILE_MULTI_IN 0x0002
106
107#define TASKFILE_OUT 0x0004
108#define TASKFILE_MULTI_OUT 0x0008
109#define TASKFILE_IN_OUT 0x0010
110
111#define TASKFILE_IN_DMA 0x0020
112#define TASKFILE_OUT_DMA 0x0040
113#define TASKFILE_IN_DMAQ 0x0080
114#define TASKFILE_OUT_DMAQ 0x0100
115
116#define TASKFILE_P_IN 0x0200
117#define TASKFILE_P_OUT 0x0400
118#define TASKFILE_P_IN_DMA 0x0800
119#define TASKFILE_P_OUT_DMA 0x1000
120#define TASKFILE_P_IN_DMAQ 0x2000
121#define TASKFILE_P_OUT_DMAQ 0x4000
122#define TASKFILE_48 0x8000
123#define TASKFILE_INVALID 0x7fff
124
125/* ATA/ATAPI Commands pre T13 Spec */
126#define WIN_NOP 0x00
127/*
128 * 0x01->0x02 Reserved
129 */
130#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
131/*
132 * 0x04->0x07 Reserved
133 */
134#define WIN_SRST 0x08 /* ATAPI soft reset command */
135#define WIN_DEVICE_RESET 0x08
136/*
137 * 0x09->0x0F Reserved
138 */
139#define WIN_RECAL 0x10
140#define WIN_RESTORE WIN_RECAL
141/*
142 * 0x10->0x1F Reserved
143 */
144#define WIN_READ 0x20 /* 28-Bit */
145#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
146#define WIN_READ_LONG 0x22 /* 28-Bit */
147#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
148#define WIN_READ_EXT 0x24 /* 48-Bit */
149#define WIN_READDMA_EXT 0x25 /* 48-Bit */
150#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
151#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
152/*
153 * 0x28
154 */
155#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
156/*
157 * 0x2A->0x2F Reserved
158 */
159#define WIN_WRITE 0x30 /* 28-Bit */
160#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
161#define WIN_WRITE_LONG 0x32 /* 28-Bit */
162#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
163#define WIN_WRITE_EXT 0x34 /* 48-Bit */
164#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
165#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
166#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
167#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
168#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
169/*
170 * 0x3A->0x3B Reserved
171 */
172#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
173/*
174 * 0x3D->0x3F Reserved
175 */
176#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
177#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
178#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
179/*
180 * 0x43->0x4F Reserved
181 */
182#define WIN_FORMAT 0x50
183/*
184 * 0x51->0x5F Reserved
185 */
186#define WIN_INIT 0x60
187/*
188 * 0x61->0x5F Reserved
189 */
190#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
191
192#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
193#define WIN_DIAGNOSE 0x90
194#define WIN_SPECIFY 0x91 /* set drive geometry translation */
195#define WIN_DOWNLOAD_MICROCODE 0x92
196#define WIN_STANDBYNOW2 0x94
197#define WIN_STANDBY2 0x96
198#define WIN_SETIDLE2 0x97
199#define WIN_CHECKPOWERMODE2 0x98
200#define WIN_SLEEPNOW2 0x99
201/*
202 * 0x9A VENDOR
203 */
204#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
205#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
206#define WIN_QUEUED_SERVICE 0xA2
207#define WIN_SMART 0xB0 /* self-monitoring and reporting */
208#define CFA_ERASE_SECTORS 0xC0
209#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
210#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
211#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
212#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
213#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
214#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
215#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
216#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
217#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
218#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
219#define WIN_GETMEDIASTATUS 0xDA
220#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
221#define WIN_POSTBOOT 0xDC
222#define WIN_PREBOOT 0xDD
223#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
224#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
225#define WIN_STANDBYNOW1 0xE0
226#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
227#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
228#define WIN_SETIDLE1 0xE3
229#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
230#define WIN_CHECKPOWERMODE1 0xE5
231#define WIN_SLEEPNOW1 0xE6
232#define WIN_FLUSH_CACHE 0xE7
233#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
234#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
235 /* SET_FEATURES 0x22 or 0xDD */
236#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
237#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
238#define WIN_MEDIAEJECT 0xED
239#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
240#define WIN_SETFEATURES 0xEF /* set special drive features */
241#define EXABYTE_ENABLE_NEST 0xF0
242#define WIN_SECURITY_SET_PASS 0xF1
243#define WIN_SECURITY_UNLOCK 0xF2
244#define WIN_SECURITY_ERASE_PREPARE 0xF3
245#define WIN_SECURITY_ERASE_UNIT 0xF4
246#define WIN_SECURITY_FREEZE_LOCK 0xF5
247#define WIN_SECURITY_DISABLE 0xF6
248#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
249#define WIN_SET_MAX 0xF9
250#define DISABLE_SEAGATE 0xFB
251
252/* WIN_SMART sub-commands */
253
254#define SMART_READ_VALUES 0xD0
255#define SMART_READ_THRESHOLDS 0xD1
256#define SMART_AUTOSAVE 0xD2
257#define SMART_SAVE 0xD3
258#define SMART_IMMEDIATE_OFFLINE 0xD4
259#define SMART_READ_LOG_SECTOR 0xD5
260#define SMART_WRITE_LOG_SECTOR 0xD6
261#define SMART_WRITE_THRESHOLDS 0xD7
262#define SMART_ENABLE 0xD8
263#define SMART_DISABLE 0xD9
264#define SMART_STATUS 0xDA
265#define SMART_AUTO_OFFLINE 0xDB
266
267/* Password used in TF4 & TF5 executing SMART commands */
268
269#define SMART_LCYL_PASS 0x4F
270#define SMART_HCYL_PASS 0xC2
271
272/* WIN_SETFEATURES sub-commands */
273#define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */
274#define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
275#define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
276#define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
277#define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */
278#define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
279#define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */
280#define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
281#define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */
282#define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */
283#define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
284#define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
285#define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
286#define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
287#define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */
288#define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */
289#define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
290#define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
291#define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
292#define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */
293#define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
294#define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */
295#define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
296#define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
297#define SETFEATURES_EN_REST 0xAC /* ATA-1 */
298#define SETFEATURES_4B_RW_LONG 0xBB /* Set Length of 4 bytes */
299#define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */
300#define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
301#define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */
302#define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */
303#define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */
304
305/* WIN_SECURITY sub-commands */
306
307#define SECURITY_SET_PASSWORD 0xBA
308#define SECURITY_UNLOCK 0xBB
309#define SECURITY_ERASE_PREPARE 0xBC
310#define SECURITY_ERASE_UNIT 0xBD
311#define SECURITY_FREEZE_LOCK 0xBE
312#define SECURITY_DISABLE_PASSWORD 0xBF
313
314struct hd_geometry {
315 unsigned char heads;
316 unsigned char sectors;
317 unsigned short cylinders;
318 unsigned long start;
319};
320
321/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
322#define HDIO_GETGEO 0x0301 /* get device geometry */
323#define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
324#define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
325#define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
326
327#define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */
328
329#define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
330#define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
331#define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
332#define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
333#define HDIO_GET_DMA 0x030b /* get use-dma flag */
334#define HDIO_GET_NICE 0x030c /* get nice flags */
335#define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
336#define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
337#define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
338#define HDIO_GET_ADDRESS 0x0310 /* */
339
340#define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
341#define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */
342#define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
343#define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
344#define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
345#define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
346#define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
347
348/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
349#define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
350#define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
351#define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
352#define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
353#define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
354#define HDIO_SET_DMA 0x0326 /* change use-dma flag */
355#define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
356#define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
357#define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
358#define HDIO_SET_NICE 0x0329 /* set nice flags */
359#define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
360#define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
361#define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
362#define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
363#define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */
364
365/* bus states */
366enum {
367 BUSSTATE_OFF = 0,
368 BUSSTATE_ON,
369 BUSSTATE_TRISTATE
370};
371
372/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
373/* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
374/* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
375/* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
376/* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
377
378#define __NEW_HD_DRIVE_ID
379
380/*
381 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
382 *
383 * If you change something here, please remember to update fix_driveid() in
384 * ide/probe.c.
385 */
386struct hd_driveid {
387 unsigned short config; /* lots of obsolete bit flags */
388 unsigned short cyls; /* Obsolete, "physical" cyls */
389 unsigned short reserved2; /* reserved (word 2) */
390 unsigned short heads; /* Obsolete, "physical" heads */
391 unsigned short track_bytes; /* unformatted bytes per track */
392 unsigned short sector_bytes; /* unformatted bytes per sector */
393 unsigned short sectors; /* Obsolete, "physical" sectors per track */
394 unsigned short vendor0; /* vendor unique */
395 unsigned short vendor1; /* vendor unique */
396 unsigned short vendor2; /* Retired vendor unique */
397 unsigned char serial_no[20]; /* 0 = not_specified */
398 unsigned short buf_type; /* Retired */
399 unsigned short buf_size; /* Retired, 512 byte increments
400 * 0 = not_specified
401 */
402 unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
403 unsigned char fw_rev[8]; /* 0 = not_specified */
404 unsigned char model[40]; /* 0 = not_specified */
405 unsigned char max_multsect; /* 0=not_implemented */
406 unsigned char vendor3; /* vendor unique */
407 unsigned short dword_io; /* 0=not_implemented; 1=implemented */
408 unsigned char vendor4; /* vendor unique */
409 unsigned char capability; /* (upper byte of word 49)
410 * 3: IORDYsup
411 * 2: IORDYsw
412 * 1: LBA
413 * 0: DMA
414 */
415 unsigned short reserved50; /* reserved (word 50) */
416 unsigned char vendor5; /* Obsolete, vendor unique */
417 unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
418 unsigned char vendor6; /* Obsolete, vendor unique */
419 unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
420 unsigned short field_valid; /* (word 53)
421 * 2: ultra_ok word 88
422 * 1: eide_ok words 64-70
423 * 0: cur_ok words 54-58
424 */
425 unsigned short cur_cyls; /* Obsolete, logical cylinders */
426 unsigned short cur_heads; /* Obsolete, l heads */
427 unsigned short cur_sectors; /* Obsolete, l sectors per track */
428 unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
429 unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
430 unsigned char multsect; /* current multiple sector count */
431 unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
432 unsigned int lba_capacity; /* Obsolete, total number of sectors */
433 unsigned short dma_1word; /* Obsolete, single-word dma info */
434 unsigned short dma_mword; /* multiple-word dma info */
435 unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
436 unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
437 unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
438 unsigned short eide_pio; /* min cycle time (ns), no IORDY */
439 unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
440 unsigned short words69_70[2]; /* reserved words 69-70
441 * future command overlap and queuing
442 */
443 unsigned short words71_74[4]; /* reserved words 71-74
444 * for IDENTIFY PACKET DEVICE command
445 */
446 unsigned short queue_depth; /* (word 75)
447 * 15:5 reserved
448 * 4:0 Maximum queue depth -1
449 */
450 unsigned short words76_79[4]; /* reserved words 76-79 */
451 unsigned short major_rev_num; /* (word 80) */
452 unsigned short minor_rev_num; /* (word 81) */
453 unsigned short command_set_1; /* (word 82) supported
454 * 15: Obsolete
455 * 14: NOP command
456 * 13: READ_BUFFER
457 * 12: WRITE_BUFFER
458 * 11: Obsolete
459 * 10: Host Protected Area
460 * 9: DEVICE Reset
461 * 8: SERVICE Interrupt
462 * 7: Release Interrupt
463 * 6: look-ahead
464 * 5: write cache
465 * 4: PACKET Command
466 * 3: Power Management Feature Set
467 * 2: Removable Feature Set
468 * 1: Security Feature Set
469 * 0: SMART Feature Set
470 */
471 unsigned short command_set_2; /* (word 83)
472 * 15: Shall be ZERO
473 * 14: Shall be ONE
474 * 13: FLUSH CACHE EXT
475 * 12: FLUSH CACHE
476 * 11: Device Configuration Overlay
477 * 10: 48-bit Address Feature Set
478 * 9: Automatic Acoustic Management
479 * 8: SET MAX security
480 * 7: reserved 1407DT PARTIES
481 * 6: SetF sub-command Power-Up
482 * 5: Power-Up in Standby Feature Set
483 * 4: Removable Media Notification
484 * 3: APM Feature Set
485 * 2: CFA Feature Set
486 * 1: READ/WRITE DMA QUEUED
487 * 0: Download MicroCode
488 */
489 unsigned short cfsse; /* (word 84)
490 * cmd set-feature supported extensions
491 * 15: Shall be ZERO
492 * 14: Shall be ONE
493 * 13:6 reserved
494 * 5: General Purpose Logging
495 * 4: Streaming Feature Set
496 * 3: Media Card Pass Through
497 * 2: Media Serial Number Valid
498 * 1: SMART selt-test supported
499 * 0: SMART error logging
500 */
501 unsigned short cfs_enable_1; /* (word 85)
502 * command set-feature enabled
503 * 15: Obsolete
504 * 14: NOP command
505 * 13: READ_BUFFER
506 * 12: WRITE_BUFFER
507 * 11: Obsolete
508 * 10: Host Protected Area
509 * 9: DEVICE Reset
510 * 8: SERVICE Interrupt
511 * 7: Release Interrupt
512 * 6: look-ahead
513 * 5: write cache
514 * 4: PACKET Command
515 * 3: Power Management Feature Set
516 * 2: Removable Feature Set
517 * 1: Security Feature Set
518 * 0: SMART Feature Set
519 */
520 unsigned short cfs_enable_2; /* (word 86)
521 * command set-feature enabled
522 * 15: Shall be ZERO
523 * 14: Shall be ONE
524 * 13: FLUSH CACHE EXT
525 * 12: FLUSH CACHE
526 * 11: Device Configuration Overlay
527 * 10: 48-bit Address Feature Set
528 * 9: Automatic Acoustic Management
529 * 8: SET MAX security
530 * 7: reserved 1407DT PARTIES
531 * 6: SetF sub-command Power-Up
532 * 5: Power-Up in Standby Feature Set
533 * 4: Removable Media Notification
534 * 3: APM Feature Set
535 * 2: CFA Feature Set
536 * 1: READ/WRITE DMA QUEUED
537 * 0: Download MicroCode
538 */
539 unsigned short csf_default; /* (word 87)
540 * command set-feature default
541 * 15: Shall be ZERO
542 * 14: Shall be ONE
543 * 13:6 reserved
544 * 5: General Purpose Logging enabled
545 * 4: Valid CONFIGURE STREAM executed
546 * 3: Media Card Pass Through enabled
547 * 2: Media Serial Number Valid
548 * 1: SMART selt-test supported
549 * 0: SMART error logging
550 */
551 unsigned short dma_ultra; /* (word 88) */
552 unsigned short trseuc; /* time required for security erase */
553 unsigned short trsEuc; /* time required for enhanced erase */
554 unsigned short CurAPMvalues; /* current APM values */
555 unsigned short mprc; /* master password revision code */
556 unsigned short hw_config; /* hardware config (word 93)
557 * 15: Shall be ZERO
558 * 14: Shall be ONE
559 * 13:
560 * 12:
561 * 11:
562 * 10:
563 * 9:
564 * 8:
565 * 7:
566 * 6:
567 * 5:
568 * 4:
569 * 3:
570 * 2:
571 * 1:
572 * 0: Shall be ONE
573 */
574 unsigned short acoustic; /* (word 94)
575 * 15:8 Vendor's recommended value
576 * 7:0 current value
577 */
578 unsigned short msrqs; /* min stream request size */
579 unsigned short sxfert; /* stream transfer time */
580 unsigned short sal; /* stream access latency */
581 unsigned int spg; /* stream performance granularity */
582 unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
583 unsigned short words104_125[22];/* reserved words 104-125 */
584 unsigned short last_lun; /* (word 126) */
585 unsigned short word127; /* (word 127) Feature Set
586 * Removable Media Notification
587 * 15:2 reserved
588 * 1:0 00 = not supported
589 * 01 = supported
590 * 10 = reserved
591 * 11 = reserved
592 */
593 unsigned short dlf; /* (word 128)
594 * device lock function
595 * 15:9 reserved
596 * 8 security level 1:max 0:high
597 * 7:6 reserved
598 * 5 enhanced erase
599 * 4 expire
600 * 3 frozen
601 * 2 locked
602 * 1 en/disabled
603 * 0 capability
604 */
605 unsigned short csfo; /* (word 129)
606 * current set features options
607 * 15:4 reserved
608 * 3: auto reassign
609 * 2: reverting
610 * 1: read-look-ahead
611 * 0: write cache
612 */
613 unsigned short words130_155[26];/* reserved vendor words 130-155 */
614 unsigned short word156; /* reserved vendor word 156 */
615 unsigned short words157_159[3];/* reserved vendor words 157-159 */
616 unsigned short cfa_power; /* (word 160) CFA Power Mode
617 * 15 word 160 supported
618 * 14 reserved
619 * 13
620 * 12
621 * 11:0
622 */
623 unsigned short words161_175[15];/* Reserved for CFA */
624 unsigned short words176_205[30];/* Current Media Serial Number */
625 unsigned short words206_254[49];/* reserved words 206-254 */
626 unsigned short integrity_word; /* (word 255)
627 * 15:8 Checksum
628 * 7:0 Signature
629 */
630};
631
632/*
633 * IDE "nice" flags. These are used on a per drive basis to determine
634 * when to be nice and give more bandwidth to the other devices which
635 * share the same IDE bus.
636 */
637#define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
638#define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
639#define IDE_NICE_1 (3) /* when probably won't affect us much */
640#define IDE_NICE_0 (2) /* when sure that it won't affect us */
641#define IDE_NICE_2 (4) /* when we know it's on our expense */
642
643#endif /* _LINUX_HDREG_H */
644

source code of include/linux/hdreg.h