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 
32 typedef unsigned char task_ioreg_t;
33 typedef unsigned long sata_ioreg_t;
34 #endif
35 
36 typedef 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 
59 typedef 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 
70 typedef 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 
76 struct hd_drive_cmd_hdr {
77 	__u8 command;
78 	__u8 sector_number;
79 	__u8 feature;
80 	__u8 sector_count;
81 };
82 
83 #ifndef __KERNEL__
84 typedef 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 
95 typedef 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 
323 struct 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 */
377 enum {
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  */
398 struct 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