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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/usr/include/linux/
1#ifndef _LINUX_HDREG_H
2#define _LINUX_HDREG_H
3
4#include <linux/types.h>
5
6/*
7 * Command Header sizes for IOCTL commands
8 */
9
10#define HDIO_DRIVE_CMD_HDR_SIZE		(4 * sizeof(__u8))
11#define HDIO_DRIVE_HOB_HDR_SIZE		(8 * sizeof(__u8))
12#define HDIO_DRIVE_TASK_HDR_SIZE	(8 * sizeof(__u8))
13
14#define IDE_DRIVE_TASK_NO_DATA		0
15#define IDE_DRIVE_TASK_INVALID		-1
16#define IDE_DRIVE_TASK_SET_XFER		1
17#define IDE_DRIVE_TASK_IN		2
18#define IDE_DRIVE_TASK_OUT		3
19#define IDE_DRIVE_TASK_RAW_WRITE	4
20
21/*
22 * Define standard taskfile in/out register
23 */
24#define IDE_TASKFILE_STD_IN_FLAGS	0xFE
25#define IDE_HOB_STD_IN_FLAGS		0x3C
26#define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
27#define IDE_HOB_STD_OUT_FLAGS		0x3C
28
29typedef unsigned char task_ioreg_t;
30typedef unsigned long sata_ioreg_t;
31
32typedef union ide_reg_valid_s {
33	unsigned all				: 16;
34	struct {
35		unsigned data			: 1;
36		unsigned error_feature		: 1;
37		unsigned sector			: 1;
38		unsigned nsector		: 1;
39		unsigned lcyl			: 1;
40		unsigned hcyl			: 1;
41		unsigned select			: 1;
42		unsigned status_command		: 1;
43
44		unsigned data_hob		: 1;
45		unsigned error_feature_hob	: 1;
46		unsigned sector_hob		: 1;
47		unsigned nsector_hob		: 1;
48		unsigned lcyl_hob		: 1;
49		unsigned hcyl_hob		: 1;
50		unsigned select_hob		: 1;
51		unsigned control_hob		: 1;
52	} b;
53} ide_reg_valid_t;
54
55typedef struct ide_task_request_s {
56	__u8		io_ports[8];
57	__u8		hob_ports[8]; /* bytes 6 and 7 are unused */
58	ide_reg_valid_t	out_flags;
59	ide_reg_valid_t	in_flags;
60	int		data_phase;
61	int		req_cmd;
62	unsigned long	out_size;
63	unsigned long	in_size;
64} ide_task_request_t;
65
66typedef struct ide_ioctl_request_s {
67	ide_task_request_t	*task_request;
68	unsigned char		*out_buffer;
69	unsigned char		*in_buffer;
70} ide_ioctl_request_t;
71
72struct hd_drive_cmd_hdr {
73	__u8 command;
74	__u8 sector_number;
75	__u8 feature;
76	__u8 sector_count;
77};
78
79typedef struct hd_drive_task_hdr {
80	__u8 data;
81	__u8 feature;
82	__u8 sector_count;
83	__u8 sector_number;
84	__u8 low_cylinder;
85	__u8 high_cylinder;
86	__u8 device_head;
87	__u8 command;
88} task_struct_t;
89
90typedef struct hd_drive_hob_hdr {
91	__u8 data;
92	__u8 feature;
93	__u8 sector_count;
94	__u8 sector_number;
95	__u8 low_cylinder;
96	__u8 high_cylinder;
97	__u8 device_head;
98	__u8 control;
99} hob_struct_t;
100
101#define TASKFILE_NO_DATA		0x0000
102
103#define TASKFILE_IN			0x0001
104#define TASKFILE_MULTI_IN		0x0002
105
106#define TASKFILE_OUT			0x0004
107#define TASKFILE_MULTI_OUT		0x0008
108#define TASKFILE_IN_OUT			0x0010
109
110#define TASKFILE_IN_DMA			0x0020
111#define TASKFILE_OUT_DMA		0x0040
112#define TASKFILE_IN_DMAQ		0x0080
113#define TASKFILE_OUT_DMAQ		0x0100
114
115#define TASKFILE_P_IN			0x0200
116#define TASKFILE_P_OUT			0x0400
117#define TASKFILE_P_IN_DMA		0x0800
118#define TASKFILE_P_OUT_DMA		0x1000
119#define TASKFILE_P_IN_DMAQ		0x2000
120#define TASKFILE_P_OUT_DMAQ		0x4000
121#define TASKFILE_48			0x8000
122#define TASKFILE_INVALID		0x7fff
123
124/* ATA/ATAPI Commands pre T13 Spec */
125#define WIN_NOP				0x00
126/*
127 *	0x01->0x02 Reserved
128 */
129#define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
130/*
131 *	0x04->0x07 Reserved
132 */
133#define WIN_SRST			0x08 /* ATAPI soft reset command */
134#define WIN_DEVICE_RESET		0x08
135/*
136 *	0x09->0x0F Reserved
137 */
138#define WIN_RECAL			0x10
139#define WIN_RESTORE			WIN_RECAL
140/*
141 *	0x10->0x1F Reserved
142 */
143#define WIN_READ			0x20 /* 28-Bit */
144#define WIN_READ_ONCE			0x21 /* 28-Bit without retries */
145#define WIN_READ_LONG			0x22 /* 28-Bit */
146#define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */
147#define WIN_READ_EXT			0x24 /* 48-Bit */
148#define WIN_READDMA_EXT			0x25 /* 48-Bit */
149#define WIN_READDMA_QUEUED_EXT		0x26 /* 48-Bit */
150#define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
151/*
152 *	0x28
153 */
154#define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
155/*
156 *	0x2A->0x2F Reserved
157 */
158#define WIN_WRITE			0x30 /* 28-Bit */
159#define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */
160#define WIN_WRITE_LONG			0x32 /* 28-Bit */
161#define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */
162#define WIN_WRITE_EXT			0x34 /* 48-Bit */
163#define WIN_WRITEDMA_EXT		0x35 /* 48-Bit */
164#define WIN_WRITEDMA_QUEUED_EXT		0x36 /* 48-Bit */
165#define WIN_SET_MAX_EXT			0x37 /* 48-Bit */
166#define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
167#define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
168/*
169 *	0x3A->0x3B Reserved
170 */
171#define WIN_WRITE_VERIFY		0x3C /* 28-Bit */
172/*
173 *	0x3D->0x3F Reserved
174 */
175#define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
176#define WIN_VERIFY_ONCE			0x41 /* 28-Bit - without retries */
177#define WIN_VERIFY_EXT			0x42 /* 48-Bit */
178/*
179 *	0x43->0x4F Reserved
180 */
181#define WIN_FORMAT			0x50
182/*
183 *	0x51->0x5F Reserved
184 */
185#define WIN_INIT			0x60
186/*
187 *	0x61->0x5F Reserved
188 */
189#define WIN_SEEK			0x70 /* 0x70-0x7F Reserved */
190
191#define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
192#define WIN_DIAGNOSE			0x90
193#define WIN_SPECIFY			0x91 /* set drive geometry translation */
194#define WIN_DOWNLOAD_MICROCODE		0x92
195#define WIN_STANDBYNOW2			0x94
196#define WIN_STANDBY2			0x96
197#define WIN_SETIDLE2			0x97
198#define WIN_CHECKPOWERMODE2		0x98
199#define WIN_SLEEPNOW2			0x99
200/*
201 *	0x9A VENDOR
202 */
203#define WIN_PACKETCMD			0xA0 /* Send a packet command. */
204#define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
205#define WIN_QUEUED_SERVICE		0xA2
206#define WIN_SMART			0xB0 /* self-monitoring and reporting */
207#define CFA_ERASE_SECTORS		0xC0
208#define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/
209#define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */
210#define WIN_SETMULT			0xC6 /* enable/disable multiple mode */
211#define WIN_READDMA_QUEUED		0xC7 /* read sectors using Queued DMA transfers */
212#define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
213#define WIN_READDMA_ONCE		0xC9 /* 28-Bit - without retries */
214#define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
215#define WIN_WRITEDMA_ONCE		0xCB /* 28-Bit - without retries */
216#define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers */
217#define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
218#define WIN_GETMEDIASTATUS		0xDA
219#define WIN_ACKMEDIACHANGE		0xDB /* ATA-1, ATA-2 vendor */
220#define WIN_POSTBOOT			0xDC
221#define WIN_PREBOOT 			0xDD
222#define WIN_DOORLOCK			0xDE /* lock door on removable drives */
223#define WIN_DOORUNLOCK			0xDF /* unlock door on removable drives */
224#define WIN_STANDBYNOW1			0xE0
225#define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */
226#define WIN_STANDBY			0xE2 /* Set device in Standby Mode */
227#define WIN_SETIDLE1			0xE3
228#define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */
229#define WIN_CHECKPOWERMODE1		0xE5
230#define WIN_SLEEPNOW1			0xE6
231#define WIN_FLUSH_CACHE			0xE7
232#define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */
233#define WIN_WRITE_SAME			0xE9 /* read ata-2 to use */
234	/* SET_FEATURES 0x22 or 0xDD */
235#define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
236#define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
237#define WIN_MEDIAEJECT			0xED
238#define WIN_IDENTIFY_DMA		0xEE /* same as WIN_IDENTIFY, but DMA */
239#define WIN_SETFEATURES			0xEF /* set special drive features */
240#define EXABYTE_ENABLE_NEST		0xF0
241#define WIN_SECURITY_SET_PASS		0xF1
242#define WIN_SECURITY_UNLOCK		0xF2
243#define WIN_SECURITY_ERASE_PREPARE	0xF3
244#define WIN_SECURITY_ERASE_UNIT		0xF4
245#define WIN_SECURITY_FREEZE_LOCK	0xF5
246#define WIN_SECURITY_DISABLE		0xF6
247#define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
248#define WIN_SET_MAX			0xF9
249#define DISABLE_SEAGATE			0xFB
250
251/* WIN_SMART sub-commands */
252
253#define SMART_READ_VALUES		0xD0
254#define SMART_READ_THRESHOLDS		0xD1
255#define SMART_AUTOSAVE			0xD2
256#define SMART_SAVE			0xD3
257#define SMART_IMMEDIATE_OFFLINE		0xD4
258#define SMART_READ_LOG_SECTOR		0xD5
259#define SMART_WRITE_LOG_SECTOR		0xD6
260#define SMART_WRITE_THRESHOLDS		0xD7
261#define SMART_ENABLE			0xD8
262#define SMART_DISABLE			0xD9
263#define SMART_STATUS			0xDA
264#define SMART_AUTO_OFFLINE		0xDB
265
266/* Password used in TF4 & TF5 executing SMART commands */
267
268#define SMART_LCYL_PASS			0x4F
269#define SMART_HCYL_PASS			0xC2
270
271/* WIN_SETFEATURES sub-commands */
272#define SETFEATURES_EN_8BIT	0x01	/* Enable 8-Bit Transfers */
273#define SETFEATURES_EN_WCACHE	0x02	/* Enable write cache */
274#define SETFEATURES_DIS_DEFECT	0x04	/* Disable Defect Management */
275#define SETFEATURES_EN_APM	0x05	/* Enable advanced power management */
276#define SETFEATURES_EN_SAME_R	0x22	/* for a region ATA-1 */
277#define SETFEATURES_DIS_MSN	0x31	/* Disable Media Status Notification */
278#define SETFEATURES_DIS_RETRY	0x33	/* Disable Retry */
279#define SETFEATURES_EN_AAM	0x42	/* Enable Automatic Acoustic Management */
280#define SETFEATURES_RW_LONG	0x44	/* Set Length of VS bytes */
281#define SETFEATURES_SET_CACHE	0x54	/* Set Cache segments to SC Reg. Val */
282#define SETFEATURES_DIS_RLA	0x55	/* Disable read look-ahead feature */
283#define SETFEATURES_EN_RI	0x5D	/* Enable release interrupt */
284#define SETFEATURES_EN_SI	0x5E	/* Enable SERVICE interrupt */
285#define SETFEATURES_DIS_RPOD	0x66	/* Disable reverting to power on defaults */
286#define SETFEATURES_DIS_ECC	0x77	/* Disable ECC byte count */
287#define SETFEATURES_DIS_8BIT	0x81	/* Disable 8-Bit Transfers */
288#define SETFEATURES_DIS_WCACHE	0x82	/* Disable write cache */
289#define SETFEATURES_EN_DEFECT	0x84	/* Enable Defect Management */
290#define SETFEATURES_DIS_APM	0x85	/* Disable advanced power management */
291#define SETFEATURES_EN_ECC	0x88	/* Enable ECC byte count */
292#define SETFEATURES_EN_MSN	0x95	/* Enable Media Status Notification */
293#define SETFEATURES_EN_RETRY	0x99	/* Enable Retry */
294#define SETFEATURES_EN_RLA	0xAA	/* Enable read look-ahead feature */
295#define SETFEATURES_PREFETCH	0xAB	/* Sets drive prefetch value */
296#define SETFEATURES_EN_REST	0xAC	/* ATA-1 */
297#define SETFEATURES_4B_RW_LONG	0xBB	/* Set Length of 4 bytes */
298#define SETFEATURES_DIS_AAM	0xC2	/* Disable Automatic Acoustic Management */
299#define SETFEATURES_EN_RPOD	0xCC	/* Enable reverting to power on defaults */
300#define SETFEATURES_DIS_RI	0xDD	/* Disable release interrupt ATAPI */
301#define SETFEATURES_EN_SAME_M	0xDD	/* for a entire device ATA-1 */
302#define SETFEATURES_DIS_SI	0xDE	/* Disable SERVICE interrupt ATAPI */
303
304/* WIN_SECURITY sub-commands */
305
306#define SECURITY_SET_PASSWORD		0xBA
307#define SECURITY_UNLOCK			0xBB
308#define SECURITY_ERASE_PREPARE		0xBC
309#define SECURITY_ERASE_UNIT		0xBD
310#define SECURITY_FREEZE_LOCK		0xBE
311#define SECURITY_DISABLE_PASSWORD	0xBF
312
313struct hd_geometry {
314      unsigned char heads;
315      unsigned char sectors;
316      unsigned short cylinders;
317      unsigned long start;
318};
319
320/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
321#define HDIO_GETGEO		0x0301	/* get device geometry */
322#define HDIO_GET_UNMASKINTR	0x0302	/* get current unmask setting */
323#define HDIO_GET_MULTCOUNT	0x0304	/* get current IDE blockmode setting */
324#define HDIO_GET_QDMA		0x0305	/* get use-qdma flag */
325
326#define HDIO_SET_XFER		0x0306  /* set transfer rate via proc */
327
328#define HDIO_OBSOLETE_IDENTITY	0x0307	/* OBSOLETE, DO NOT USE: returns 142 bytes */
329#define HDIO_GET_KEEPSETTINGS	0x0308	/* get keep-settings-on-reset flag */
330#define HDIO_GET_32BIT		0x0309	/* get current io_32bit setting */
331#define HDIO_GET_NOWERR		0x030a	/* get ignore-write-error flag */
332#define HDIO_GET_DMA		0x030b	/* get use-dma flag */
333#define HDIO_GET_NICE		0x030c	/* get nice flags */
334#define HDIO_GET_IDENTITY	0x030d	/* get IDE identification info */
335#define HDIO_GET_WCACHE		0x030e	/* get write cache mode on|off */
336#define HDIO_GET_ACOUSTIC	0x030f	/* get acoustic value */
337#define	HDIO_GET_ADDRESS	0x0310	/* */
338
339#define HDIO_GET_BUSSTATE	0x031a	/* get the bus state of the hwif */
340#define HDIO_TRISTATE_HWIF	0x031b	/* execute a channel tristate */
341#define HDIO_DRIVE_RESET	0x031c	/* execute a device reset */
342#define HDIO_DRIVE_TASKFILE	0x031d	/* execute raw taskfile */
343#define HDIO_DRIVE_TASK		0x031e	/* execute task and special drive command */
344#define HDIO_DRIVE_CMD		0x031f	/* execute a special drive command */
345#define HDIO_DRIVE_CMD_AEB	HDIO_DRIVE_TASK
346
347/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
348#define HDIO_SET_MULTCOUNT	0x0321	/* change IDE blockmode */
349#define HDIO_SET_UNMASKINTR	0x0322	/* permit other irqs during I/O */
350#define HDIO_SET_KEEPSETTINGS	0x0323	/* keep ioctl settings on reset */
351#define HDIO_SET_32BIT		0x0324	/* change io_32bit flags */
352#define HDIO_SET_NOWERR		0x0325	/* change ignore-write-error flag */
353#define HDIO_SET_DMA		0x0326	/* change use-dma flag */
354#define HDIO_SET_PIO_MODE	0x0327	/* reconfig interface to new speed */
355#define HDIO_SCAN_HWIF		0x0328	/* register and (re)scan interface */
356#define HDIO_UNREGISTER_HWIF	0x032a  /* unregister interface */
357#define HDIO_SET_NICE		0x0329	/* set nice flags */
358#define HDIO_SET_WCACHE		0x032b	/* change write cache enable-disable */
359#define HDIO_SET_ACOUSTIC	0x032c	/* change acoustic behavior */
360#define HDIO_SET_BUSSTATE	0x032d	/* set the bus state of the hwif */
361#define HDIO_SET_QDMA		0x032e	/* change use-qdma flag */
362#define HDIO_SET_ADDRESS	0x032f	/* change lba addressing modes */
363
364/* bus states */
365enum {
366	BUSSTATE_OFF = 0,
367	BUSSTATE_ON,
368	BUSSTATE_TRISTATE
369};
370
371/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
372/* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
373/* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
374/* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
375/* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
376
377#define __NEW_HD_DRIVE_ID
378
379/*
380 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
381 *
382 * If you change something here, please remember to update fix_driveid() in
383 * ide/probe.c.
384 */
385struct hd_driveid {
386	unsigned short	config;		/* lots of obsolete bit flags */
387	unsigned short	cyls;		/* Obsolete, "physical" cyls */
388	unsigned short	reserved2;	/* reserved (word 2) */
389	unsigned short	heads;		/* Obsolete, "physical" heads */
390	unsigned short	track_bytes;	/* unformatted bytes per track */
391	unsigned short	sector_bytes;	/* unformatted bytes per sector */
392	unsigned short	sectors;	/* Obsolete, "physical" sectors per track */
393	unsigned short	vendor0;	/* vendor unique */
394	unsigned short	vendor1;	/* vendor unique */
395	unsigned short	vendor2;	/* Retired vendor unique */
396	unsigned char	serial_no[20];	/* 0 = not_specified */
397	unsigned short	buf_type;	/* Retired */
398	unsigned short	buf_size;	/* Retired, 512 byte increments
399					 * 0 = not_specified
400					 */
401	unsigned short	ecc_bytes;	/* for r/w long cmds; 0 = not_specified */
402	unsigned char	fw_rev[8];	/* 0 = not_specified */
403	unsigned char	model[40];	/* 0 = not_specified */
404	unsigned char	max_multsect;	/* 0=not_implemented */
405	unsigned char	vendor3;	/* vendor unique */
406	unsigned short	dword_io;	/* 0=not_implemented; 1=implemented */
407	unsigned char	vendor4;	/* vendor unique */
408	unsigned char	capability;	/* (upper byte of word 49)
409					 *  3:	IORDYsup
410					 *  2:	IORDYsw
411					 *  1:	LBA
412					 *  0:	DMA
413					 */
414	unsigned short	reserved50;	/* reserved (word 50) */
415	unsigned char	vendor5;	/* Obsolete, vendor unique */
416	unsigned char	tPIO;		/* Obsolete, 0=slow, 1=medium, 2=fast */
417	unsigned char	vendor6;	/* Obsolete, vendor unique */
418	unsigned char	tDMA;		/* Obsolete, 0=slow, 1=medium, 2=fast */
419	unsigned short	field_valid;	/* (word 53)
420					 *  2:	ultra_ok	word  88
421					 *  1:	eide_ok		words 64-70
422					 *  0:	cur_ok		words 54-58
423					 */
424	unsigned short	cur_cyls;	/* Obsolete, logical cylinders */
425	unsigned short	cur_heads;	/* Obsolete, l heads */
426	unsigned short	cur_sectors;	/* Obsolete, l sectors per track */
427	unsigned short	cur_capacity0;	/* Obsolete, l total sectors on drive */
428	unsigned short	cur_capacity1;	/* Obsolete, (2 words, misaligned int)     */
429	unsigned char	multsect;	/* current multiple sector count */
430	unsigned char	multsect_valid;	/* when (bit0==1) multsect is ok */
431	unsigned int	lba_capacity;	/* Obsolete, total number of sectors */
432	unsigned short	dma_1word;	/* Obsolete, single-word dma info */
433	unsigned short	dma_mword;	/* multiple-word dma info */
434	unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
435	unsigned short  eide_dma_min;	/* min mword dma cycle time (ns) */
436	unsigned short  eide_dma_time;	/* recommended mword dma cycle time (ns) */
437	unsigned short  eide_pio;       /* min cycle time (ns), no IORDY  */
438	unsigned short  eide_pio_iordy; /* min cycle time (ns), with IORDY */
439	unsigned short	words69_70[2];	/* reserved words 69-70
440					 * future command overlap and queuing
441					 */
442	unsigned short	words71_74[4];	/* reserved words 71-74
443					 * for IDENTIFY PACKET DEVICE command
444					 */
445	unsigned short  queue_depth;	/* (word 75)
446					 * 15:5	reserved
447					 *  4:0	Maximum queue depth -1
448					 */
449	unsigned short  words76_79[4];	/* reserved words 76-79 */
450	unsigned short  major_rev_num;	/* (word 80) */
451	unsigned short  minor_rev_num;	/* (word 81) */
452	unsigned short  command_set_1;	/* (word 82) supported
453					 * 15:	Obsolete
454					 * 14:	NOP command
455					 * 13:	READ_BUFFER
456					 * 12:	WRITE_BUFFER
457					 * 11:	Obsolete
458					 * 10:	Host Protected Area
459					 *  9:	DEVICE Reset
460					 *  8:	SERVICE Interrupt
461					 *  7:	Release Interrupt
462					 *  6:	look-ahead
463					 *  5:	write cache
464					 *  4:	PACKET Command
465					 *  3:	Power Management Feature Set
466					 *  2:	Removable Feature Set
467					 *  1:	Security Feature Set
468					 *  0:	SMART Feature Set
469					 */
470	unsigned short  command_set_2;	/* (word 83)
471					 * 15:	Shall be ZERO
472					 * 14:	Shall be ONE
473					 * 13:	FLUSH CACHE EXT
474					 * 12:	FLUSH CACHE
475					 * 11:	Device Configuration Overlay
476					 * 10:	48-bit Address Feature Set
477					 *  9:	Automatic Acoustic Management
478					 *  8:	SET MAX security
479					 *  7:	reserved 1407DT PARTIES
480					 *  6:	SetF sub-command Power-Up
481					 *  5:	Power-Up in Standby Feature Set
482					 *  4:	Removable Media Notification
483					 *  3:	APM Feature Set
484					 *  2:	CFA Feature Set
485					 *  1:	READ/WRITE DMA QUEUED
486					 *  0:	Download MicroCode
487					 */
488	unsigned short  cfsse;		/* (word 84)
489					 * cmd set-feature supported extensions
490					 * 15:	Shall be ZERO
491					 * 14:	Shall be ONE
492					 * 13:6	reserved
493					 *  5:	General Purpose Logging
494					 *  4:	Streaming Feature Set
495					 *  3:	Media Card Pass Through
496					 *  2:	Media Serial Number Valid
497					 *  1:	SMART selt-test supported
498					 *  0:	SMART error logging
499					 */
500	unsigned short  cfs_enable_1;	/* (word 85)
501					 * command set-feature enabled
502					 * 15:	Obsolete
503					 * 14:	NOP command
504					 * 13:	READ_BUFFER
505					 * 12:	WRITE_BUFFER
506					 * 11:	Obsolete
507					 * 10:	Host Protected Area
508					 *  9:	DEVICE Reset
509					 *  8:	SERVICE Interrupt
510					 *  7:	Release Interrupt
511					 *  6:	look-ahead
512					 *  5:	write cache
513					 *  4:	PACKET Command
514					 *  3:	Power Management Feature Set
515					 *  2:	Removable Feature Set
516					 *  1:	Security Feature Set
517					 *  0:	SMART Feature Set
518					 */
519	unsigned short  cfs_enable_2;	/* (word 86)
520					 * command set-feature enabled
521					 * 15:	Shall be ZERO
522					 * 14:	Shall be ONE
523					 * 13:	FLUSH CACHE EXT
524					 * 12:	FLUSH CACHE
525					 * 11:	Device Configuration Overlay
526					 * 10:	48-bit Address Feature Set
527					 *  9:	Automatic Acoustic Management
528					 *  8:	SET MAX security
529					 *  7:	reserved 1407DT PARTIES
530					 *  6:	SetF sub-command Power-Up
531					 *  5:	Power-Up in Standby Feature Set
532					 *  4:	Removable Media Notification
533					 *  3:	APM Feature Set
534					 *  2:	CFA Feature Set
535					 *  1:	READ/WRITE DMA QUEUED
536					 *  0:	Download MicroCode
537					 */
538	unsigned short  csf_default;	/* (word 87)
539					 * command set-feature default
540					 * 15:	Shall be ZERO
541					 * 14:	Shall be ONE
542					 * 13:6	reserved
543					 *  5:	General Purpose Logging enabled
544					 *  4:	Valid CONFIGURE STREAM executed
545					 *  3:	Media Card Pass Through enabled
546					 *  2:	Media Serial Number Valid
547					 *  1:	SMART selt-test supported
548					 *  0:	SMART error logging
549					 */
550	unsigned short  dma_ultra;	/* (word 88) */
551	unsigned short	trseuc;		/* time required for security erase */
552	unsigned short	trsEuc;		/* time required for enhanced erase */
553	unsigned short	CurAPMvalues;	/* current APM values */
554	unsigned short	mprc;		/* master password revision code */
555	unsigned short	hw_config;	/* hardware config (word 93)
556					 * 15:	Shall be ZERO
557					 * 14:	Shall be ONE
558					 * 13:
559					 * 12:
560					 * 11:
561					 * 10:
562					 *  9:
563					 *  8:
564					 *  7:
565					 *  6:
566					 *  5:
567					 *  4:
568					 *  3:
569					 *  2:
570					 *  1:
571					 *  0:	Shall be ONE
572					 */
573	unsigned short	acoustic;	/* (word 94)
574					 * 15:8	Vendor's recommended value
575					 *  7:0	current value
576					 */
577	unsigned short	msrqs;		/* min stream request size */
578	unsigned short	sxfert;		/* stream transfer time */
579	unsigned short	sal;		/* stream access latency */
580	unsigned int	spg;		/* stream performance granularity */
581	unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
582	unsigned short	words104_125[22];/* reserved words 104-125 */
583	unsigned short	last_lun;	/* (word 126) */
584	unsigned short	word127;	/* (word 127) Feature Set
585					 * Removable Media Notification
586					 * 15:2	reserved
587					 *  1:0	00 = not supported
588					 *	01 = supported
589					 *	10 = reserved
590					 *	11 = reserved
591					 */
592	unsigned short	dlf;		/* (word 128)
593					 * device lock function
594					 * 15:9	reserved
595					 *  8	security level 1:max 0:high
596					 *  7:6	reserved
597					 *  5	enhanced erase
598					 *  4	expire
599					 *  3	frozen
600					 *  2	locked
601					 *  1	en/disabled
602					 *  0	capability
603					 */
604	unsigned short  csfo;		/*  (word 129)
605					 * current set features options
606					 * 15:4	reserved
607					 *  3:	auto reassign
608					 *  2:	reverting
609					 *  1:	read-look-ahead
610					 *  0:	write cache
611					 */
612	unsigned short	words130_155[26];/* reserved vendor words 130-155 */
613	unsigned short	word156;	/* reserved vendor word 156 */
614	unsigned short	words157_159[3];/* reserved vendor words 157-159 */
615	unsigned short	cfa_power;	/* (word 160) CFA Power Mode
616					 * 15 word 160 supported
617					 * 14 reserved
618					 * 13
619					 * 12
620					 * 11:0
621					 */
622	unsigned short	words161_175[15];/* Reserved for CFA */
623	unsigned short	words176_205[30];/* Current Media Serial Number */
624	unsigned short	words206_254[49];/* reserved words 206-254 */
625	unsigned short	integrity_word;	/* (word 255)
626					 * 15:8 Checksum
627					 *  7:0 Signature
628					 */
629};
630
631/*
632 * IDE "nice" flags. These are used on a per drive basis to determine
633 * when to be nice and give more bandwidth to the other devices which
634 * share the same IDE bus.
635 */
636#define IDE_NICE_DSC_OVERLAP	(0)	/* per the DSC overlap protocol */
637#define IDE_NICE_ATAPI_OVERLAP	(1)	/* not supported yet */
638#define IDE_NICE_1		(3)	/* when probably won't affect us much */
639#define IDE_NICE_0		(2)	/* when sure that it won't affect us */
640#define IDE_NICE_2		(4)	/* when we know it's on our expense */
641
642#endif	/* _LINUX_HDREG_H */
643