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#ifndef __KERNEL__
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#endif
21#define IDE_DRIVE_TASK_RAW_WRITE	4
22
23/*
24 * Define standard taskfile in/out register
25 */
26#define IDE_TASKFILE_STD_IN_FLAGS	0xFE
27#define IDE_HOB_STD_IN_FLAGS		0x3C
28#ifndef __KERNEL__
29#define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
30#define IDE_HOB_STD_OUT_FLAGS		0x3C
31
32typedef unsigned char task_ioreg_t;
33typedef unsigned long sata_ioreg_t;
34#endif
35
36typedef union ide_reg_valid_s {
37	unsigned all				: 16;
38	struct {
39		unsigned data			: 1;
40		unsigned error_feature		: 1;
41		unsigned sector			: 1;
42		unsigned nsector		: 1;
43		unsigned lcyl			: 1;
44		unsigned hcyl			: 1;
45		unsigned select			: 1;
46		unsigned status_command		: 1;
47
48		unsigned data_hob		: 1;
49		unsigned error_feature_hob	: 1;
50		unsigned sector_hob		: 1;
51		unsigned nsector_hob		: 1;
52		unsigned lcyl_hob		: 1;
53		unsigned hcyl_hob		: 1;
54		unsigned select_hob		: 1;
55		unsigned control_hob		: 1;
56	} b;
57} ide_reg_valid_t;
58
59typedef struct ide_task_request_s {
60	__u8		io_ports[8];
61	__u8		hob_ports[8]; /* bytes 6 and 7 are unused */
62	ide_reg_valid_t	out_flags;
63	ide_reg_valid_t	in_flags;
64	int		data_phase;
65	int		req_cmd;
66	unsigned long	out_size;
67	unsigned long	in_size;
68} ide_task_request_t;
69
70typedef struct ide_ioctl_request_s {
71	ide_task_request_t	*task_request;
72	unsigned char		*out_buffer;
73	unsigned char		*in_buffer;
74} ide_ioctl_request_t;
75
76struct hd_drive_cmd_hdr {
77	__u8 command;
78	__u8 sector_number;
79	__u8 feature;
80	__u8 sector_count;
81};
82
83#ifndef __KERNEL__
84typedef struct hd_drive_task_hdr {
85	__u8 data;
86	__u8 feature;
87	__u8 sector_count;
88	__u8 sector_number;
89	__u8 low_cylinder;
90	__u8 high_cylinder;
91	__u8 device_head;
92	__u8 command;
93} task_struct_t;
94
95typedef struct hd_drive_hob_hdr {
96	__u8 data;
97	__u8 feature;
98	__u8 sector_count;
99	__u8 sector_number;
100	__u8 low_cylinder;
101	__u8 high_cylinder;
102	__u8 device_head;
103	__u8 control;
104} hob_struct_t;
105#endif
106
107#define TASKFILE_NO_DATA		0x0000
108
109#define TASKFILE_IN			0x0001
110#define TASKFILE_MULTI_IN		0x0002
111
112#define TASKFILE_OUT			0x0004
113#define TASKFILE_MULTI_OUT		0x0008
114#define TASKFILE_IN_OUT			0x0010
115
116#define TASKFILE_IN_DMA			0x0020
117#define TASKFILE_OUT_DMA		0x0040
118#define TASKFILE_IN_DMAQ		0x0080
119#define TASKFILE_OUT_DMAQ		0x0100
120
121#ifndef __KERNEL__
122#define TASKFILE_P_IN			0x0200
123#define TASKFILE_P_OUT			0x0400
124#define TASKFILE_P_IN_DMA		0x0800
125#define TASKFILE_P_OUT_DMA		0x1000
126#define TASKFILE_P_IN_DMAQ		0x2000
127#define TASKFILE_P_OUT_DMAQ		0x4000
128#define TASKFILE_48			0x8000
129#define TASKFILE_INVALID		0x7fff
130#endif
131
132#ifndef __KERNEL__
133/* ATA/ATAPI Commands pre T13 Spec */
134#define WIN_NOP				0x00
135/*
136 *	0x01->0x02 Reserved
137 */
138#define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
139/*
140 *	0x04->0x07 Reserved
141 */
142#define WIN_SRST			0x08 /* ATAPI soft reset command */
143#define WIN_DEVICE_RESET		0x08
144/*
145 *	0x09->0x0F Reserved
146 */
147#define WIN_RECAL			0x10
148#define WIN_RESTORE			WIN_RECAL
149/*
150 *	0x10->0x1F Reserved
151 */
152#define WIN_READ			0x20 /* 28-Bit */
153#define WIN_READ_ONCE			0x21 /* 28-Bit without retries */
154#define WIN_READ_LONG			0x22 /* 28-Bit */
155#define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */
156#define WIN_READ_EXT			0x24 /* 48-Bit */
157#define WIN_READDMA_EXT			0x25 /* 48-Bit */
158#define WIN_READDMA_QUEUED_EXT		0x26 /* 48-Bit */
159#define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
160/*
161 *	0x28
162 */
163#define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
164/*
165 *	0x2A->0x2F Reserved
166 */
167#define WIN_WRITE			0x30 /* 28-Bit */
168#define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */
169#define WIN_WRITE_LONG			0x32 /* 28-Bit */
170#define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */
171#define WIN_WRITE_EXT			0x34 /* 48-Bit */
172#define WIN_WRITEDMA_EXT		0x35 /* 48-Bit */
173#define WIN_WRITEDMA_QUEUED_EXT		0x36 /* 48-Bit */
174#define WIN_SET_MAX_EXT			0x37 /* 48-Bit */
175#define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
176#define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
177/*
178 *	0x3A->0x3B Reserved
179 */
180#define WIN_WRITE_VERIFY		0x3C /* 28-Bit */
181/*
182 *	0x3D->0x3F Reserved
183 */
184#define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
185#define WIN_VERIFY_ONCE			0x41 /* 28-Bit - without retries */
186#define WIN_VERIFY_EXT			0x42 /* 48-Bit */
187/*
188 *	0x43->0x4F Reserved
189 */
190#define WIN_FORMAT			0x50
191/*
192 *	0x51->0x5F Reserved
193 */
194#define WIN_INIT			0x60
195/*
196 *	0x61->0x5F Reserved
197 */
198#define WIN_SEEK			0x70 /* 0x70-0x7F Reserved */
199
200#define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
201#define WIN_DIAGNOSE			0x90
202#define WIN_SPECIFY			0x91 /* set drive geometry translation */
203#define WIN_DOWNLOAD_MICROCODE		0x92
204#define WIN_STANDBYNOW2			0x94
205#define WIN_STANDBY2			0x96
206#define WIN_SETIDLE2			0x97
207#define WIN_CHECKPOWERMODE2		0x98
208#define WIN_SLEEPNOW2			0x99
209/*
210 *	0x9A VENDOR
211 */
212#define WIN_PACKETCMD			0xA0 /* Send a packet command. */
213#define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
214#define WIN_QUEUED_SERVICE		0xA2
215#define WIN_SMART			0xB0 /* self-monitoring and reporting */
216#define CFA_ERASE_SECTORS		0xC0
217#define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/
218#define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */
219#define WIN_SETMULT			0xC6 /* enable/disable multiple mode */
220#define WIN_READDMA_QUEUED		0xC7 /* read sectors using Queued DMA transfers */
221#define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
222#define WIN_READDMA_ONCE		0xC9 /* 28-Bit - without retries */
223#define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
224#define WIN_WRITEDMA_ONCE		0xCB /* 28-Bit - without retries */
225#define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers */
226#define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
227#define WIN_GETMEDIASTATUS		0xDA
228#define WIN_ACKMEDIACHANGE		0xDB /* ATA-1, ATA-2 vendor */
229#define WIN_POSTBOOT			0xDC
230#define WIN_PREBOOT 			0xDD
231#define WIN_DOORLOCK			0xDE /* lock door on removable drives */
232#define WIN_DOORUNLOCK			0xDF /* unlock door on removable drives */
233#define WIN_STANDBYNOW1			0xE0
234#define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */
235#define WIN_STANDBY			0xE2 /* Set device in Standby Mode */
236#define WIN_SETIDLE1			0xE3
237#define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */
238#define WIN_CHECKPOWERMODE1		0xE5
239#define WIN_SLEEPNOW1			0xE6
240#define WIN_FLUSH_CACHE			0xE7
241#define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */
242#define WIN_WRITE_SAME			0xE9 /* read ata-2 to use */
243	/* SET_FEATURES 0x22 or 0xDD */
244#define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
245#define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
246#define WIN_MEDIAEJECT			0xED
247#define WIN_IDENTIFY_DMA		0xEE /* same as WIN_IDENTIFY, but DMA */
248#define WIN_SETFEATURES			0xEF /* set special drive features */
249#define EXABYTE_ENABLE_NEST		0xF0
250#define WIN_SECURITY_SET_PASS		0xF1
251#define WIN_SECURITY_UNLOCK		0xF2
252#define WIN_SECURITY_ERASE_PREPARE	0xF3
253#define WIN_SECURITY_ERASE_UNIT		0xF4
254#define WIN_SECURITY_FREEZE_LOCK	0xF5
255#define WIN_SECURITY_DISABLE		0xF6
256#define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
257#define WIN_SET_MAX			0xF9
258#define DISABLE_SEAGATE			0xFB
259
260/* WIN_SMART sub-commands */
261
262#define SMART_READ_VALUES		0xD0
263#define SMART_READ_THRESHOLDS		0xD1
264#define SMART_AUTOSAVE			0xD2
265#define SMART_SAVE			0xD3
266#define SMART_IMMEDIATE_OFFLINE		0xD4
267#define SMART_READ_LOG_SECTOR		0xD5
268#define SMART_WRITE_LOG_SECTOR		0xD6
269#define SMART_WRITE_THRESHOLDS		0xD7
270#define SMART_ENABLE			0xD8
271#define SMART_DISABLE			0xD9
272#define SMART_STATUS			0xDA
273#define SMART_AUTO_OFFLINE		0xDB
274
275/* Password used in TF4 & TF5 executing SMART commands */
276
277#define SMART_LCYL_PASS			0x4F
278#define SMART_HCYL_PASS			0xC2
279
280/* WIN_SETFEATURES sub-commands */
281#define SETFEATURES_EN_8BIT	0x01	/* Enable 8-Bit Transfers */
282#define SETFEATURES_EN_WCACHE	0x02	/* Enable write cache */
283#define SETFEATURES_DIS_DEFECT	0x04	/* Disable Defect Management */
284#define SETFEATURES_EN_APM	0x05	/* Enable advanced power management */
285#define SETFEATURES_EN_SAME_R	0x22	/* for a region ATA-1 */
286#define SETFEATURES_DIS_MSN	0x31	/* Disable Media Status Notification */
287#define SETFEATURES_DIS_RETRY	0x33	/* Disable Retry */
288#define SETFEATURES_EN_AAM	0x42	/* Enable Automatic Acoustic Management */
289#define SETFEATURES_RW_LONG	0x44	/* Set Length of VS bytes */
290#define SETFEATURES_SET_CACHE	0x54	/* Set Cache segments to SC Reg. Val */
291#define SETFEATURES_DIS_RLA	0x55	/* Disable read look-ahead feature */
292#define SETFEATURES_EN_RI	0x5D	/* Enable release interrupt */
293#define SETFEATURES_EN_SI	0x5E	/* Enable SERVICE interrupt */
294#define SETFEATURES_DIS_RPOD	0x66	/* Disable reverting to power on defaults */
295#define SETFEATURES_DIS_ECC	0x77	/* Disable ECC byte count */
296#define SETFEATURES_DIS_8BIT	0x81	/* Disable 8-Bit Transfers */
297#define SETFEATURES_DIS_WCACHE	0x82	/* Disable write cache */
298#define SETFEATURES_EN_DEFECT	0x84	/* Enable Defect Management */
299#define SETFEATURES_DIS_APM	0x85	/* Disable advanced power management */
300#define SETFEATURES_EN_ECC	0x88	/* Enable ECC byte count */
301#define SETFEATURES_EN_MSN	0x95	/* Enable Media Status Notification */
302#define SETFEATURES_EN_RETRY	0x99	/* Enable Retry */
303#define SETFEATURES_EN_RLA	0xAA	/* Enable read look-ahead feature */
304#define SETFEATURES_PREFETCH	0xAB	/* Sets drive prefetch value */
305#define SETFEATURES_EN_REST	0xAC	/* ATA-1 */
306#define SETFEATURES_4B_RW_LONG	0xBB	/* Set Length of 4 bytes */
307#define SETFEATURES_DIS_AAM	0xC2	/* Disable Automatic Acoustic Management */
308#define SETFEATURES_EN_RPOD	0xCC	/* Enable reverting to power on defaults */
309#define SETFEATURES_DIS_RI	0xDD	/* Disable release interrupt ATAPI */
310#define SETFEATURES_EN_SAME_M	0xDD	/* for a entire device ATA-1 */
311#define SETFEATURES_DIS_SI	0xDE	/* Disable SERVICE interrupt ATAPI */
312
313/* WIN_SECURITY sub-commands */
314
315#define SECURITY_SET_PASSWORD		0xBA
316#define SECURITY_UNLOCK			0xBB
317#define SECURITY_ERASE_PREPARE		0xBC
318#define SECURITY_ERASE_UNIT		0xBD
319#define SECURITY_FREEZE_LOCK		0xBE
320#define SECURITY_DISABLE_PASSWORD	0xBF
321#endif /* __KERNEL__ */
322
323struct hd_geometry {
324      unsigned char heads;
325      unsigned char sectors;
326      unsigned short cylinders;
327      unsigned long start;
328};
329
330/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
331#define HDIO_GETGEO		0x0301	/* get device geometry */
332#define HDIO_GET_UNMASKINTR	0x0302	/* get current unmask setting */
333#define HDIO_GET_MULTCOUNT	0x0304	/* get current IDE blockmode setting */
334#define HDIO_GET_QDMA		0x0305	/* get use-qdma flag */
335
336#define HDIO_SET_XFER		0x0306  /* set transfer rate via proc */
337
338#define HDIO_OBSOLETE_IDENTITY	0x0307	/* OBSOLETE, DO NOT USE: returns 142 bytes */
339#define HDIO_GET_KEEPSETTINGS	0x0308	/* get keep-settings-on-reset flag */
340#define HDIO_GET_32BIT		0x0309	/* get current io_32bit setting */
341#define HDIO_GET_NOWERR		0x030a	/* get ignore-write-error flag */
342#define HDIO_GET_DMA		0x030b	/* get use-dma flag */
343#define HDIO_GET_NICE		0x030c	/* get nice flags */
344#define HDIO_GET_IDENTITY	0x030d	/* get IDE identification info */
345#define HDIO_GET_WCACHE		0x030e	/* get write cache mode on|off */
346#define HDIO_GET_ACOUSTIC	0x030f	/* get acoustic value */
347#define	HDIO_GET_ADDRESS	0x0310	/* */
348
349#define HDIO_GET_BUSSTATE	0x031a	/* get the bus state of the hwif */
350#define HDIO_TRISTATE_HWIF	0x031b	/* execute a channel tristate */
351#define HDIO_DRIVE_RESET	0x031c	/* execute a device reset */
352#define HDIO_DRIVE_TASKFILE	0x031d	/* execute raw taskfile */
353#define HDIO_DRIVE_TASK		0x031e	/* execute task and special drive command */
354#define HDIO_DRIVE_CMD		0x031f	/* execute a special drive command */
355#define HDIO_DRIVE_CMD_AEB	HDIO_DRIVE_TASK
356
357/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
358#define HDIO_SET_MULTCOUNT	0x0321	/* change IDE blockmode */
359#define HDIO_SET_UNMASKINTR	0x0322	/* permit other irqs during I/O */
360#define HDIO_SET_KEEPSETTINGS	0x0323	/* keep ioctl settings on reset */
361#define HDIO_SET_32BIT		0x0324	/* change io_32bit flags */
362#define HDIO_SET_NOWERR		0x0325	/* change ignore-write-error flag */
363#define HDIO_SET_DMA		0x0326	/* change use-dma flag */
364#define HDIO_SET_PIO_MODE	0x0327	/* reconfig interface to new speed */
365#ifndef __KERNEL__
366#define HDIO_SCAN_HWIF		0x0328	/* register and (re)scan interface */
367#define HDIO_UNREGISTER_HWIF	0x032a  /* unregister interface */
368#endif
369#define HDIO_SET_NICE		0x0329	/* set nice flags */
370#define HDIO_SET_WCACHE		0x032b	/* change write cache enable-disable */
371#define HDIO_SET_ACOUSTIC	0x032c	/* change acoustic behavior */
372#define HDIO_SET_BUSSTATE	0x032d	/* set the bus state of the hwif */
373#define HDIO_SET_QDMA		0x032e	/* change use-qdma flag */
374#define HDIO_SET_ADDRESS	0x032f	/* change lba addressing modes */
375
376/* bus states */
377enum {
378	BUSSTATE_OFF = 0,
379	BUSSTATE_ON,
380	BUSSTATE_TRISTATE
381};
382
383/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
384/* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
385/* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
386/* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
387/* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
388
389#define __NEW_HD_DRIVE_ID
390
391#ifndef __KERNEL__
392/*
393 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
394 *
395 * If you change something here, please remember to update fix_driveid() in
396 * ide/probe.c.
397 */
398struct hd_driveid {
399	unsigned short	config;		/* lots of obsolete bit flags */
400	unsigned short	cyls;		/* Obsolete, "physical" cyls */
401	unsigned short	reserved2;	/* reserved (word 2) */
402	unsigned short	heads;		/* Obsolete, "physical" heads */
403	unsigned short	track_bytes;	/* unformatted bytes per track */
404	unsigned short	sector_bytes;	/* unformatted bytes per sector */
405	unsigned short	sectors;	/* Obsolete, "physical" sectors per track */
406	unsigned short	vendor0;	/* vendor unique */
407	unsigned short	vendor1;	/* vendor unique */
408	unsigned short	vendor2;	/* Retired vendor unique */
409	unsigned char	serial_no[20];	/* 0 = not_specified */
410	unsigned short	buf_type;	/* Retired */
411	unsigned short	buf_size;	/* Retired, 512 byte increments
412					 * 0 = not_specified
413					 */
414	unsigned short	ecc_bytes;	/* for r/w long cmds; 0 = not_specified */
415	unsigned char	fw_rev[8];	/* 0 = not_specified */
416	unsigned char	model[40];	/* 0 = not_specified */
417	unsigned char	max_multsect;	/* 0=not_implemented */
418	unsigned char	vendor3;	/* vendor unique */
419	unsigned short	dword_io;	/* 0=not_implemented; 1=implemented */
420	unsigned char	vendor4;	/* vendor unique */
421	unsigned char	capability;	/* (upper byte of word 49)
422					 *  3:	IORDYsup
423					 *  2:	IORDYsw
424					 *  1:	LBA
425					 *  0:	DMA
426					 */
427	unsigned short	reserved50;	/* reserved (word 50) */
428	unsigned char	vendor5;	/* Obsolete, vendor unique */
429	unsigned char	tPIO;		/* Obsolete, 0=slow, 1=medium, 2=fast */
430	unsigned char	vendor6;	/* Obsolete, vendor unique */
431	unsigned char	tDMA;		/* Obsolete, 0=slow, 1=medium, 2=fast */
432	unsigned short	field_valid;	/* (word 53)
433					 *  2:	ultra_ok	word  88
434					 *  1:	eide_ok		words 64-70
435					 *  0:	cur_ok		words 54-58
436					 */
437	unsigned short	cur_cyls;	/* Obsolete, logical cylinders */
438	unsigned short	cur_heads;	/* Obsolete, l heads */
439	unsigned short	cur_sectors;	/* Obsolete, l sectors per track */
440	unsigned short	cur_capacity0;	/* Obsolete, l total sectors on drive */
441	unsigned short	cur_capacity1;	/* Obsolete, (2 words, misaligned int)     */
442	unsigned char	multsect;	/* current multiple sector count */
443	unsigned char	multsect_valid;	/* when (bit0==1) multsect is ok */
444	unsigned int	lba_capacity;	/* Obsolete, total number of sectors */
445	unsigned short	dma_1word;	/* Obsolete, single-word dma info */
446	unsigned short	dma_mword;	/* multiple-word dma info */
447	unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
448	unsigned short  eide_dma_min;	/* min mword dma cycle time (ns) */
449	unsigned short  eide_dma_time;	/* recommended mword dma cycle time (ns) */
450	unsigned short  eide_pio;       /* min cycle time (ns), no IORDY  */
451	unsigned short  eide_pio_iordy; /* min cycle time (ns), with IORDY */
452	unsigned short	words69_70[2];	/* reserved words 69-70
453					 * future command overlap and queuing
454					 */
455	unsigned short	words71_74[4];	/* reserved words 71-74
456					 * for IDENTIFY PACKET DEVICE command
457					 */
458	unsigned short  queue_depth;	/* (word 75)
459					 * 15:5	reserved
460					 *  4:0	Maximum queue depth -1
461					 */
462	unsigned short  words76_79[4];	/* reserved words 76-79 */
463	unsigned short  major_rev_num;	/* (word 80) */
464	unsigned short  minor_rev_num;	/* (word 81) */
465	unsigned short  command_set_1;	/* (word 82) supported
466					 * 15:	Obsolete
467					 * 14:	NOP command
468					 * 13:	READ_BUFFER
469					 * 12:	WRITE_BUFFER
470					 * 11:	Obsolete
471					 * 10:	Host Protected Area
472					 *  9:	DEVICE Reset
473					 *  8:	SERVICE Interrupt
474					 *  7:	Release Interrupt
475					 *  6:	look-ahead
476					 *  5:	write cache
477					 *  4:	PACKET Command
478					 *  3:	Power Management Feature Set
479					 *  2:	Removable Feature Set
480					 *  1:	Security Feature Set
481					 *  0:	SMART Feature Set
482					 */
483	unsigned short  command_set_2;	/* (word 83)
484					 * 15:	Shall be ZERO
485					 * 14:	Shall be ONE
486					 * 13:	FLUSH CACHE EXT
487					 * 12:	FLUSH CACHE
488					 * 11:	Device Configuration Overlay
489					 * 10:	48-bit Address Feature Set
490					 *  9:	Automatic Acoustic Management
491					 *  8:	SET MAX security
492					 *  7:	reserved 1407DT PARTIES
493					 *  6:	SetF sub-command Power-Up
494					 *  5:	Power-Up in Standby Feature Set
495					 *  4:	Removable Media Notification
496					 *  3:	APM Feature Set
497					 *  2:	CFA Feature Set
498					 *  1:	READ/WRITE DMA QUEUED
499					 *  0:	Download MicroCode
500					 */
501	unsigned short  cfsse;		/* (word 84)
502					 * cmd set-feature supported extensions
503					 * 15:	Shall be ZERO
504					 * 14:	Shall be ONE
505					 * 13:6	reserved
506					 *  5:	General Purpose Logging
507					 *  4:	Streaming Feature Set
508					 *  3:	Media Card Pass Through
509					 *  2:	Media Serial Number Valid
510					 *  1:	SMART selt-test supported
511					 *  0:	SMART error logging
512					 */
513	unsigned short  cfs_enable_1;	/* (word 85)
514					 * command set-feature enabled
515					 * 15:	Obsolete
516					 * 14:	NOP command
517					 * 13:	READ_BUFFER
518					 * 12:	WRITE_BUFFER
519					 * 11:	Obsolete
520					 * 10:	Host Protected Area
521					 *  9:	DEVICE Reset
522					 *  8:	SERVICE Interrupt
523					 *  7:	Release Interrupt
524					 *  6:	look-ahead
525					 *  5:	write cache
526					 *  4:	PACKET Command
527					 *  3:	Power Management Feature Set
528					 *  2:	Removable Feature Set
529					 *  1:	Security Feature Set
530					 *  0:	SMART Feature Set
531					 */
532	unsigned short  cfs_enable_2;	/* (word 86)
533					 * command set-feature enabled
534					 * 15:	Shall be ZERO
535					 * 14:	Shall be ONE
536					 * 13:	FLUSH CACHE EXT
537					 * 12:	FLUSH CACHE
538					 * 11:	Device Configuration Overlay
539					 * 10:	48-bit Address Feature Set
540					 *  9:	Automatic Acoustic Management
541					 *  8:	SET MAX security
542					 *  7:	reserved 1407DT PARTIES
543					 *  6:	SetF sub-command Power-Up
544					 *  5:	Power-Up in Standby Feature Set
545					 *  4:	Removable Media Notification
546					 *  3:	APM Feature Set
547					 *  2:	CFA Feature Set
548					 *  1:	READ/WRITE DMA QUEUED
549					 *  0:	Download MicroCode
550					 */
551	unsigned short  csf_default;	/* (word 87)
552					 * command set-feature default
553					 * 15:	Shall be ZERO
554					 * 14:	Shall be ONE
555					 * 13:6	reserved
556					 *  5:	General Purpose Logging enabled
557					 *  4:	Valid CONFIGURE STREAM executed
558					 *  3:	Media Card Pass Through enabled
559					 *  2:	Media Serial Number Valid
560					 *  1:	SMART selt-test supported
561					 *  0:	SMART error logging
562					 */
563	unsigned short  dma_ultra;	/* (word 88) */
564	unsigned short	trseuc;		/* time required for security erase */
565	unsigned short	trsEuc;		/* time required for enhanced erase */
566	unsigned short	CurAPMvalues;	/* current APM values */
567	unsigned short	mprc;		/* master password revision code */
568	unsigned short	hw_config;	/* hardware config (word 93)
569					 * 15:	Shall be ZERO
570					 * 14:	Shall be ONE
571					 * 13:
572					 * 12:
573					 * 11:
574					 * 10:
575					 *  9:
576					 *  8:
577					 *  7:
578					 *  6:
579					 *  5:
580					 *  4:
581					 *  3:
582					 *  2:
583					 *  1:
584					 *  0:	Shall be ONE
585					 */
586	unsigned short	acoustic;	/* (word 94)
587					 * 15:8	Vendor's recommended value
588					 *  7:0	current value
589					 */
590	unsigned short	msrqs;		/* min stream request size */
591	unsigned short	sxfert;		/* stream transfer time */
592	unsigned short	sal;		/* stream access latency */
593	unsigned int	spg;		/* stream performance granularity */
594	unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
595	unsigned short	words104_125[22];/* reserved words 104-125 */
596	unsigned short	last_lun;	/* (word 126) */
597	unsigned short	word127;	/* (word 127) Feature Set
598					 * Removable Media Notification
599					 * 15:2	reserved
600					 *  1:0	00 = not supported
601					 *	01 = supported
602					 *	10 = reserved
603					 *	11 = reserved
604					 */
605	unsigned short	dlf;		/* (word 128)
606					 * device lock function
607					 * 15:9	reserved
608					 *  8	security level 1:max 0:high
609					 *  7:6	reserved
610					 *  5	enhanced erase
611					 *  4	expire
612					 *  3	frozen
613					 *  2	locked
614					 *  1	en/disabled
615					 *  0	capability
616					 */
617	unsigned short  csfo;		/*  (word 129)
618					 * current set features options
619					 * 15:4	reserved
620					 *  3:	auto reassign
621					 *  2:	reverting
622					 *  1:	read-look-ahead
623					 *  0:	write cache
624					 */
625	unsigned short	words130_155[26];/* reserved vendor words 130-155 */
626	unsigned short	word156;	/* reserved vendor word 156 */
627	unsigned short	words157_159[3];/* reserved vendor words 157-159 */
628	unsigned short	cfa_power;	/* (word 160) CFA Power Mode
629					 * 15 word 160 supported
630					 * 14 reserved
631					 * 13
632					 * 12
633					 * 11:0
634					 */
635	unsigned short	words161_175[15];/* Reserved for CFA */
636	unsigned short	words176_205[30];/* Current Media Serial Number */
637	unsigned short	words206_254[49];/* reserved words 206-254 */
638	unsigned short	integrity_word;	/* (word 255)
639					 * 15:8 Checksum
640					 *  7:0 Signature
641					 */
642};
643#endif /* __KERNEL__ */
644
645/*
646 * IDE "nice" flags. These are used on a per drive basis to determine
647 * when to be nice and give more bandwidth to the other devices which
648 * share the same IDE bus.
649 */
650#define IDE_NICE_DSC_OVERLAP	(0)	/* per the DSC overlap protocol */
651#define IDE_NICE_ATAPI_OVERLAP	(1)	/* not supported yet */
652#define IDE_NICE_1		(3)	/* when probably won't affect us much */
653#ifndef __KERNEL__
654#define IDE_NICE_0		(2)	/* when sure that it won't affect us */
655#define IDE_NICE_2		(4)	/* when we know it's on our expense */
656#endif
657
658#endif	/* _LINUX_HDREG_H */
659