xref: /openbmc/linux/include/uapi/linux/hdreg.h (revision 6f52b16c)
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 #ifndef __KERNEL__
17 #define IDE_DRIVE_TASK_INVALID		-1
18 #define IDE_DRIVE_TASK_SET_XFER		1
19 #define IDE_DRIVE_TASK_IN		2
20 #define IDE_DRIVE_TASK_OUT		3
21 #endif
22 #define IDE_DRIVE_TASK_RAW_WRITE	4
23 
24 /*
25  * Define standard taskfile in/out register
26  */
27 #define IDE_TASKFILE_STD_IN_FLAGS	0xFE
28 #define IDE_HOB_STD_IN_FLAGS		0x3C
29 #ifndef __KERNEL__
30 #define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
31 #define IDE_HOB_STD_OUT_FLAGS		0x3C
32 
33 typedef unsigned char task_ioreg_t;
34 typedef unsigned long sata_ioreg_t;
35 #endif
36 
37 typedef union ide_reg_valid_s {
38 	unsigned all				: 16;
39 	struct {
40 		unsigned data			: 1;
41 		unsigned error_feature		: 1;
42 		unsigned sector			: 1;
43 		unsigned nsector		: 1;
44 		unsigned lcyl			: 1;
45 		unsigned hcyl			: 1;
46 		unsigned select			: 1;
47 		unsigned status_command		: 1;
48 
49 		unsigned data_hob		: 1;
50 		unsigned error_feature_hob	: 1;
51 		unsigned sector_hob		: 1;
52 		unsigned nsector_hob		: 1;
53 		unsigned lcyl_hob		: 1;
54 		unsigned hcyl_hob		: 1;
55 		unsigned select_hob		: 1;
56 		unsigned control_hob		: 1;
57 	} b;
58 } ide_reg_valid_t;
59 
60 typedef struct ide_task_request_s {
61 	__u8		io_ports[8];
62 	__u8		hob_ports[8]; /* bytes 6 and 7 are unused */
63 	ide_reg_valid_t	out_flags;
64 	ide_reg_valid_t	in_flags;
65 	int		data_phase;
66 	int		req_cmd;
67 	unsigned long	out_size;
68 	unsigned long	in_size;
69 } ide_task_request_t;
70 
71 typedef struct ide_ioctl_request_s {
72 	ide_task_request_t	*task_request;
73 	unsigned char		*out_buffer;
74 	unsigned char		*in_buffer;
75 } ide_ioctl_request_t;
76 
77 struct hd_drive_cmd_hdr {
78 	__u8 command;
79 	__u8 sector_number;
80 	__u8 feature;
81 	__u8 sector_count;
82 };
83 
84 #ifndef __KERNEL__
85 typedef struct hd_drive_task_hdr {
86 	__u8 data;
87 	__u8 feature;
88 	__u8 sector_count;
89 	__u8 sector_number;
90 	__u8 low_cylinder;
91 	__u8 high_cylinder;
92 	__u8 device_head;
93 	__u8 command;
94 } task_struct_t;
95 
96 typedef struct hd_drive_hob_hdr {
97 	__u8 data;
98 	__u8 feature;
99 	__u8 sector_count;
100 	__u8 sector_number;
101 	__u8 low_cylinder;
102 	__u8 high_cylinder;
103 	__u8 device_head;
104 	__u8 control;
105 } hob_struct_t;
106 #endif
107 
108 #define TASKFILE_NO_DATA		0x0000
109 
110 #define TASKFILE_IN			0x0001
111 #define TASKFILE_MULTI_IN		0x0002
112 
113 #define TASKFILE_OUT			0x0004
114 #define TASKFILE_MULTI_OUT		0x0008
115 #define TASKFILE_IN_OUT			0x0010
116 
117 #define TASKFILE_IN_DMA			0x0020
118 #define TASKFILE_OUT_DMA		0x0040
119 #define TASKFILE_IN_DMAQ		0x0080
120 #define TASKFILE_OUT_DMAQ		0x0100
121 
122 #ifndef __KERNEL__
123 #define TASKFILE_P_IN			0x0200
124 #define TASKFILE_P_OUT			0x0400
125 #define TASKFILE_P_IN_DMA		0x0800
126 #define TASKFILE_P_OUT_DMA		0x1000
127 #define TASKFILE_P_IN_DMAQ		0x2000
128 #define TASKFILE_P_OUT_DMAQ		0x4000
129 #define TASKFILE_48			0x8000
130 #define TASKFILE_INVALID		0x7fff
131 #endif
132 
133 #ifndef __KERNEL__
134 /* ATA/ATAPI Commands pre T13 Spec */
135 #define WIN_NOP				0x00
136 /*
137  *	0x01->0x02 Reserved
138  */
139 #define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
140 /*
141  *	0x04->0x07 Reserved
142  */
143 #define WIN_SRST			0x08 /* ATAPI soft reset command */
144 #define WIN_DEVICE_RESET		0x08
145 /*
146  *	0x09->0x0F Reserved
147  */
148 #define WIN_RECAL			0x10
149 #define WIN_RESTORE			WIN_RECAL
150 /*
151  *	0x10->0x1F Reserved
152  */
153 #define WIN_READ			0x20 /* 28-Bit */
154 #define WIN_READ_ONCE			0x21 /* 28-Bit without retries */
155 #define WIN_READ_LONG			0x22 /* 28-Bit */
156 #define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */
157 #define WIN_READ_EXT			0x24 /* 48-Bit */
158 #define WIN_READDMA_EXT			0x25 /* 48-Bit */
159 #define WIN_READDMA_QUEUED_EXT		0x26 /* 48-Bit */
160 #define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
161 /*
162  *	0x28
163  */
164 #define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
165 /*
166  *	0x2A->0x2F Reserved
167  */
168 #define WIN_WRITE			0x30 /* 28-Bit */
169 #define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */
170 #define WIN_WRITE_LONG			0x32 /* 28-Bit */
171 #define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */
172 #define WIN_WRITE_EXT			0x34 /* 48-Bit */
173 #define WIN_WRITEDMA_EXT		0x35 /* 48-Bit */
174 #define WIN_WRITEDMA_QUEUED_EXT		0x36 /* 48-Bit */
175 #define WIN_SET_MAX_EXT			0x37 /* 48-Bit */
176 #define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
177 #define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
178 /*
179  *	0x3A->0x3B Reserved
180  */
181 #define WIN_WRITE_VERIFY		0x3C /* 28-Bit */
182 /*
183  *	0x3D->0x3F Reserved
184  */
185 #define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
186 #define WIN_VERIFY_ONCE			0x41 /* 28-Bit - without retries */
187 #define WIN_VERIFY_EXT			0x42 /* 48-Bit */
188 /*
189  *	0x43->0x4F Reserved
190  */
191 #define WIN_FORMAT			0x50
192 /*
193  *	0x51->0x5F Reserved
194  */
195 #define WIN_INIT			0x60
196 /*
197  *	0x61->0x5F Reserved
198  */
199 #define WIN_SEEK			0x70 /* 0x70-0x7F Reserved */
200 
201 #define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
202 #define WIN_DIAGNOSE			0x90
203 #define WIN_SPECIFY			0x91 /* set drive geometry translation */
204 #define WIN_DOWNLOAD_MICROCODE		0x92
205 #define WIN_STANDBYNOW2			0x94
206 #define WIN_STANDBY2			0x96
207 #define WIN_SETIDLE2			0x97
208 #define WIN_CHECKPOWERMODE2		0x98
209 #define WIN_SLEEPNOW2			0x99
210 /*
211  *	0x9A VENDOR
212  */
213 #define WIN_PACKETCMD			0xA0 /* Send a packet command. */
214 #define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
215 #define WIN_QUEUED_SERVICE		0xA2
216 #define WIN_SMART			0xB0 /* self-monitoring and reporting */
217 #define CFA_ERASE_SECTORS		0xC0
218 #define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/
219 #define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */
220 #define WIN_SETMULT			0xC6 /* enable/disable multiple mode */
221 #define WIN_READDMA_QUEUED		0xC7 /* read sectors using Queued DMA transfers */
222 #define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
223 #define WIN_READDMA_ONCE		0xC9 /* 28-Bit - without retries */
224 #define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
225 #define WIN_WRITEDMA_ONCE		0xCB /* 28-Bit - without retries */
226 #define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers */
227 #define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
228 #define WIN_GETMEDIASTATUS		0xDA
229 #define WIN_ACKMEDIACHANGE		0xDB /* ATA-1, ATA-2 vendor */
230 #define WIN_POSTBOOT			0xDC
231 #define WIN_PREBOOT 			0xDD
232 #define WIN_DOORLOCK			0xDE /* lock door on removable drives */
233 #define WIN_DOORUNLOCK			0xDF /* unlock door on removable drives */
234 #define WIN_STANDBYNOW1			0xE0
235 #define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */
236 #define WIN_STANDBY			0xE2 /* Set device in Standby Mode */
237 #define WIN_SETIDLE1			0xE3
238 #define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */
239 #define WIN_CHECKPOWERMODE1		0xE5
240 #define WIN_SLEEPNOW1			0xE6
241 #define WIN_FLUSH_CACHE			0xE7
242 #define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */
243 #define WIN_WRITE_SAME			0xE9 /* read ata-2 to use */
244 	/* SET_FEATURES 0x22 or 0xDD */
245 #define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
246 #define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
247 #define WIN_MEDIAEJECT			0xED
248 #define WIN_IDENTIFY_DMA		0xEE /* same as WIN_IDENTIFY, but DMA */
249 #define WIN_SETFEATURES			0xEF /* set special drive features */
250 #define EXABYTE_ENABLE_NEST		0xF0
251 #define WIN_SECURITY_SET_PASS		0xF1
252 #define WIN_SECURITY_UNLOCK		0xF2
253 #define WIN_SECURITY_ERASE_PREPARE	0xF3
254 #define WIN_SECURITY_ERASE_UNIT		0xF4
255 #define WIN_SECURITY_FREEZE_LOCK	0xF5
256 #define WIN_SECURITY_DISABLE		0xF6
257 #define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
258 #define WIN_SET_MAX			0xF9
259 #define DISABLE_SEAGATE			0xFB
260 
261 /* WIN_SMART sub-commands */
262 
263 #define SMART_READ_VALUES		0xD0
264 #define SMART_READ_THRESHOLDS		0xD1
265 #define SMART_AUTOSAVE			0xD2
266 #define SMART_SAVE			0xD3
267 #define SMART_IMMEDIATE_OFFLINE		0xD4
268 #define SMART_READ_LOG_SECTOR		0xD5
269 #define SMART_WRITE_LOG_SECTOR		0xD6
270 #define SMART_WRITE_THRESHOLDS		0xD7
271 #define SMART_ENABLE			0xD8
272 #define SMART_DISABLE			0xD9
273 #define SMART_STATUS			0xDA
274 #define SMART_AUTO_OFFLINE		0xDB
275 
276 /* Password used in TF4 & TF5 executing SMART commands */
277 
278 #define SMART_LCYL_PASS			0x4F
279 #define SMART_HCYL_PASS			0xC2
280 
281 /* WIN_SETFEATURES sub-commands */
282 #define SETFEATURES_EN_8BIT	0x01	/* Enable 8-Bit Transfers */
283 #define SETFEATURES_EN_WCACHE	0x02	/* Enable write cache */
284 #define SETFEATURES_DIS_DEFECT	0x04	/* Disable Defect Management */
285 #define SETFEATURES_EN_APM	0x05	/* Enable advanced power management */
286 #define SETFEATURES_EN_SAME_R	0x22	/* for a region ATA-1 */
287 #define SETFEATURES_DIS_MSN	0x31	/* Disable Media Status Notification */
288 #define SETFEATURES_DIS_RETRY	0x33	/* Disable Retry */
289 #define SETFEATURES_EN_AAM	0x42	/* Enable Automatic Acoustic Management */
290 #define SETFEATURES_RW_LONG	0x44	/* Set Length of VS bytes */
291 #define SETFEATURES_SET_CACHE	0x54	/* Set Cache segments to SC Reg. Val */
292 #define SETFEATURES_DIS_RLA	0x55	/* Disable read look-ahead feature */
293 #define SETFEATURES_EN_RI	0x5D	/* Enable release interrupt */
294 #define SETFEATURES_EN_SI	0x5E	/* Enable SERVICE interrupt */
295 #define SETFEATURES_DIS_RPOD	0x66	/* Disable reverting to power on defaults */
296 #define SETFEATURES_DIS_ECC	0x77	/* Disable ECC byte count */
297 #define SETFEATURES_DIS_8BIT	0x81	/* Disable 8-Bit Transfers */
298 #define SETFEATURES_DIS_WCACHE	0x82	/* Disable write cache */
299 #define SETFEATURES_EN_DEFECT	0x84	/* Enable Defect Management */
300 #define SETFEATURES_DIS_APM	0x85	/* Disable advanced power management */
301 #define SETFEATURES_EN_ECC	0x88	/* Enable ECC byte count */
302 #define SETFEATURES_EN_MSN	0x95	/* Enable Media Status Notification */
303 #define SETFEATURES_EN_RETRY	0x99	/* Enable Retry */
304 #define SETFEATURES_EN_RLA	0xAA	/* Enable read look-ahead feature */
305 #define SETFEATURES_PREFETCH	0xAB	/* Sets drive prefetch value */
306 #define SETFEATURES_EN_REST	0xAC	/* ATA-1 */
307 #define SETFEATURES_4B_RW_LONG	0xBB	/* Set Length of 4 bytes */
308 #define SETFEATURES_DIS_AAM	0xC2	/* Disable Automatic Acoustic Management */
309 #define SETFEATURES_EN_RPOD	0xCC	/* Enable reverting to power on defaults */
310 #define SETFEATURES_DIS_RI	0xDD	/* Disable release interrupt ATAPI */
311 #define SETFEATURES_EN_SAME_M	0xDD	/* for a entire device ATA-1 */
312 #define SETFEATURES_DIS_SI	0xDE	/* Disable SERVICE interrupt ATAPI */
313 
314 /* WIN_SECURITY sub-commands */
315 
316 #define SECURITY_SET_PASSWORD		0xBA
317 #define SECURITY_UNLOCK			0xBB
318 #define SECURITY_ERASE_PREPARE		0xBC
319 #define SECURITY_ERASE_UNIT		0xBD
320 #define SECURITY_FREEZE_LOCK		0xBE
321 #define SECURITY_DISABLE_PASSWORD	0xBF
322 #endif /* __KERNEL__ */
323 
324 struct hd_geometry {
325       unsigned char heads;
326       unsigned char sectors;
327       unsigned short cylinders;
328       unsigned long start;
329 };
330 
331 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
332 #define HDIO_GETGEO		0x0301	/* get device geometry */
333 #define HDIO_GET_UNMASKINTR	0x0302	/* get current unmask setting */
334 #define HDIO_GET_MULTCOUNT	0x0304	/* get current IDE blockmode setting */
335 #define HDIO_GET_QDMA		0x0305	/* get use-qdma flag */
336 
337 #define HDIO_SET_XFER		0x0306  /* set transfer rate via proc */
338 
339 #define HDIO_OBSOLETE_IDENTITY	0x0307	/* OBSOLETE, DO NOT USE: returns 142 bytes */
340 #define HDIO_GET_KEEPSETTINGS	0x0308	/* get keep-settings-on-reset flag */
341 #define HDIO_GET_32BIT		0x0309	/* get current io_32bit setting */
342 #define HDIO_GET_NOWERR		0x030a	/* get ignore-write-error flag */
343 #define HDIO_GET_DMA		0x030b	/* get use-dma flag */
344 #define HDIO_GET_NICE		0x030c	/* get nice flags */
345 #define HDIO_GET_IDENTITY	0x030d	/* get IDE identification info */
346 #define HDIO_GET_WCACHE		0x030e	/* get write cache mode on|off */
347 #define HDIO_GET_ACOUSTIC	0x030f	/* get acoustic value */
348 #define	HDIO_GET_ADDRESS	0x0310	/* */
349 
350 #define HDIO_GET_BUSSTATE	0x031a	/* get the bus state of the hwif */
351 #define HDIO_TRISTATE_HWIF	0x031b	/* execute a channel tristate */
352 #define HDIO_DRIVE_RESET	0x031c	/* execute a device reset */
353 #define HDIO_DRIVE_TASKFILE	0x031d	/* execute raw taskfile */
354 #define HDIO_DRIVE_TASK		0x031e	/* execute task and special drive command */
355 #define HDIO_DRIVE_CMD		0x031f	/* execute a special drive command */
356 #define HDIO_DRIVE_CMD_AEB	HDIO_DRIVE_TASK
357 
358 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
359 #define HDIO_SET_MULTCOUNT	0x0321	/* change IDE blockmode */
360 #define HDIO_SET_UNMASKINTR	0x0322	/* permit other irqs during I/O */
361 #define HDIO_SET_KEEPSETTINGS	0x0323	/* keep ioctl settings on reset */
362 #define HDIO_SET_32BIT		0x0324	/* change io_32bit flags */
363 #define HDIO_SET_NOWERR		0x0325	/* change ignore-write-error flag */
364 #define HDIO_SET_DMA		0x0326	/* change use-dma flag */
365 #define HDIO_SET_PIO_MODE	0x0327	/* reconfig interface to new speed */
366 #ifndef __KERNEL__
367 #define HDIO_SCAN_HWIF		0x0328	/* register and (re)scan interface */
368 #define HDIO_UNREGISTER_HWIF	0x032a  /* unregister interface */
369 #endif
370 #define HDIO_SET_NICE		0x0329	/* set nice flags */
371 #define HDIO_SET_WCACHE		0x032b	/* change write cache enable-disable */
372 #define HDIO_SET_ACOUSTIC	0x032c	/* change acoustic behavior */
373 #define HDIO_SET_BUSSTATE	0x032d	/* set the bus state of the hwif */
374 #define HDIO_SET_QDMA		0x032e	/* change use-qdma flag */
375 #define HDIO_SET_ADDRESS	0x032f	/* change lba addressing modes */
376 
377 /* bus states */
378 enum {
379 	BUSSTATE_OFF = 0,
380 	BUSSTATE_ON,
381 	BUSSTATE_TRISTATE
382 };
383 
384 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
385 /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
386 /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
387 /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
388 /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
389 
390 #define __NEW_HD_DRIVE_ID
391 
392 #ifndef __KERNEL__
393 /*
394  * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
395  *
396  * If you change something here, please remember to update fix_driveid() in
397  * ide/probe.c.
398  */
399 struct hd_driveid {
400 	unsigned short	config;		/* lots of obsolete bit flags */
401 	unsigned short	cyls;		/* Obsolete, "physical" cyls */
402 	unsigned short	reserved2;	/* reserved (word 2) */
403 	unsigned short	heads;		/* Obsolete, "physical" heads */
404 	unsigned short	track_bytes;	/* unformatted bytes per track */
405 	unsigned short	sector_bytes;	/* unformatted bytes per sector */
406 	unsigned short	sectors;	/* Obsolete, "physical" sectors per track */
407 	unsigned short	vendor0;	/* vendor unique */
408 	unsigned short	vendor1;	/* vendor unique */
409 	unsigned short	vendor2;	/* Retired vendor unique */
410 	unsigned char	serial_no[20];	/* 0 = not_specified */
411 	unsigned short	buf_type;	/* Retired */
412 	unsigned short	buf_size;	/* Retired, 512 byte increments
413 					 * 0 = not_specified
414 					 */
415 	unsigned short	ecc_bytes;	/* for r/w long cmds; 0 = not_specified */
416 	unsigned char	fw_rev[8];	/* 0 = not_specified */
417 	unsigned char	model[40];	/* 0 = not_specified */
418 	unsigned char	max_multsect;	/* 0=not_implemented */
419 	unsigned char	vendor3;	/* vendor unique */
420 	unsigned short	dword_io;	/* 0=not_implemented; 1=implemented */
421 	unsigned char	vendor4;	/* vendor unique */
422 	unsigned char	capability;	/* (upper byte of word 49)
423 					 *  3:	IORDYsup
424 					 *  2:	IORDYsw
425 					 *  1:	LBA
426 					 *  0:	DMA
427 					 */
428 	unsigned short	reserved50;	/* reserved (word 50) */
429 	unsigned char	vendor5;	/* Obsolete, vendor unique */
430 	unsigned char	tPIO;		/* Obsolete, 0=slow, 1=medium, 2=fast */
431 	unsigned char	vendor6;	/* Obsolete, vendor unique */
432 	unsigned char	tDMA;		/* Obsolete, 0=slow, 1=medium, 2=fast */
433 	unsigned short	field_valid;	/* (word 53)
434 					 *  2:	ultra_ok	word  88
435 					 *  1:	eide_ok		words 64-70
436 					 *  0:	cur_ok		words 54-58
437 					 */
438 	unsigned short	cur_cyls;	/* Obsolete, logical cylinders */
439 	unsigned short	cur_heads;	/* Obsolete, l heads */
440 	unsigned short	cur_sectors;	/* Obsolete, l sectors per track */
441 	unsigned short	cur_capacity0;	/* Obsolete, l total sectors on drive */
442 	unsigned short	cur_capacity1;	/* Obsolete, (2 words, misaligned int)     */
443 	unsigned char	multsect;	/* current multiple sector count */
444 	unsigned char	multsect_valid;	/* when (bit0==1) multsect is ok */
445 	unsigned int	lba_capacity;	/* Obsolete, total number of sectors */
446 	unsigned short	dma_1word;	/* Obsolete, single-word dma info */
447 	unsigned short	dma_mword;	/* multiple-word dma info */
448 	unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
449 	unsigned short  eide_dma_min;	/* min mword dma cycle time (ns) */
450 	unsigned short  eide_dma_time;	/* recommended mword dma cycle time (ns) */
451 	unsigned short  eide_pio;       /* min cycle time (ns), no IORDY  */
452 	unsigned short  eide_pio_iordy; /* min cycle time (ns), with IORDY */
453 	unsigned short	words69_70[2];	/* reserved words 69-70
454 					 * future command overlap and queuing
455 					 */
456 	unsigned short	words71_74[4];	/* reserved words 71-74
457 					 * for IDENTIFY PACKET DEVICE command
458 					 */
459 	unsigned short  queue_depth;	/* (word 75)
460 					 * 15:5	reserved
461 					 *  4:0	Maximum queue depth -1
462 					 */
463 	unsigned short  words76_79[4];	/* reserved words 76-79 */
464 	unsigned short  major_rev_num;	/* (word 80) */
465 	unsigned short  minor_rev_num;	/* (word 81) */
466 	unsigned short  command_set_1;	/* (word 82) supported
467 					 * 15:	Obsolete
468 					 * 14:	NOP command
469 					 * 13:	READ_BUFFER
470 					 * 12:	WRITE_BUFFER
471 					 * 11:	Obsolete
472 					 * 10:	Host Protected Area
473 					 *  9:	DEVICE Reset
474 					 *  8:	SERVICE Interrupt
475 					 *  7:	Release Interrupt
476 					 *  6:	look-ahead
477 					 *  5:	write cache
478 					 *  4:	PACKET Command
479 					 *  3:	Power Management Feature Set
480 					 *  2:	Removable Feature Set
481 					 *  1:	Security Feature Set
482 					 *  0:	SMART Feature Set
483 					 */
484 	unsigned short  command_set_2;	/* (word 83)
485 					 * 15:	Shall be ZERO
486 					 * 14:	Shall be ONE
487 					 * 13:	FLUSH CACHE EXT
488 					 * 12:	FLUSH CACHE
489 					 * 11:	Device Configuration Overlay
490 					 * 10:	48-bit Address Feature Set
491 					 *  9:	Automatic Acoustic Management
492 					 *  8:	SET MAX security
493 					 *  7:	reserved 1407DT PARTIES
494 					 *  6:	SetF sub-command Power-Up
495 					 *  5:	Power-Up in Standby Feature Set
496 					 *  4:	Removable Media Notification
497 					 *  3:	APM Feature Set
498 					 *  2:	CFA Feature Set
499 					 *  1:	READ/WRITE DMA QUEUED
500 					 *  0:	Download MicroCode
501 					 */
502 	unsigned short  cfsse;		/* (word 84)
503 					 * cmd set-feature supported extensions
504 					 * 15:	Shall be ZERO
505 					 * 14:	Shall be ONE
506 					 * 13:6	reserved
507 					 *  5:	General Purpose Logging
508 					 *  4:	Streaming Feature Set
509 					 *  3:	Media Card Pass Through
510 					 *  2:	Media Serial Number Valid
511 					 *  1:	SMART selt-test supported
512 					 *  0:	SMART error logging
513 					 */
514 	unsigned short  cfs_enable_1;	/* (word 85)
515 					 * command set-feature enabled
516 					 * 15:	Obsolete
517 					 * 14:	NOP command
518 					 * 13:	READ_BUFFER
519 					 * 12:	WRITE_BUFFER
520 					 * 11:	Obsolete
521 					 * 10:	Host Protected Area
522 					 *  9:	DEVICE Reset
523 					 *  8:	SERVICE Interrupt
524 					 *  7:	Release Interrupt
525 					 *  6:	look-ahead
526 					 *  5:	write cache
527 					 *  4:	PACKET Command
528 					 *  3:	Power Management Feature Set
529 					 *  2:	Removable Feature Set
530 					 *  1:	Security Feature Set
531 					 *  0:	SMART Feature Set
532 					 */
533 	unsigned short  cfs_enable_2;	/* (word 86)
534 					 * command set-feature enabled
535 					 * 15:	Shall be ZERO
536 					 * 14:	Shall be ONE
537 					 * 13:	FLUSH CACHE EXT
538 					 * 12:	FLUSH CACHE
539 					 * 11:	Device Configuration Overlay
540 					 * 10:	48-bit Address Feature Set
541 					 *  9:	Automatic Acoustic Management
542 					 *  8:	SET MAX security
543 					 *  7:	reserved 1407DT PARTIES
544 					 *  6:	SetF sub-command Power-Up
545 					 *  5:	Power-Up in Standby Feature Set
546 					 *  4:	Removable Media Notification
547 					 *  3:	APM Feature Set
548 					 *  2:	CFA Feature Set
549 					 *  1:	READ/WRITE DMA QUEUED
550 					 *  0:	Download MicroCode
551 					 */
552 	unsigned short  csf_default;	/* (word 87)
553 					 * command set-feature default
554 					 * 15:	Shall be ZERO
555 					 * 14:	Shall be ONE
556 					 * 13:6	reserved
557 					 *  5:	General Purpose Logging enabled
558 					 *  4:	Valid CONFIGURE STREAM executed
559 					 *  3:	Media Card Pass Through enabled
560 					 *  2:	Media Serial Number Valid
561 					 *  1:	SMART selt-test supported
562 					 *  0:	SMART error logging
563 					 */
564 	unsigned short  dma_ultra;	/* (word 88) */
565 	unsigned short	trseuc;		/* time required for security erase */
566 	unsigned short	trsEuc;		/* time required for enhanced erase */
567 	unsigned short	CurAPMvalues;	/* current APM values */
568 	unsigned short	mprc;		/* master password revision code */
569 	unsigned short	hw_config;	/* hardware config (word 93)
570 					 * 15:	Shall be ZERO
571 					 * 14:	Shall be ONE
572 					 * 13:
573 					 * 12:
574 					 * 11:
575 					 * 10:
576 					 *  9:
577 					 *  8:
578 					 *  7:
579 					 *  6:
580 					 *  5:
581 					 *  4:
582 					 *  3:
583 					 *  2:
584 					 *  1:
585 					 *  0:	Shall be ONE
586 					 */
587 	unsigned short	acoustic;	/* (word 94)
588 					 * 15:8	Vendor's recommended value
589 					 *  7:0	current value
590 					 */
591 	unsigned short	msrqs;		/* min stream request size */
592 	unsigned short	sxfert;		/* stream transfer time */
593 	unsigned short	sal;		/* stream access latency */
594 	unsigned int	spg;		/* stream performance granularity */
595 	unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
596 	unsigned short	words104_125[22];/* reserved words 104-125 */
597 	unsigned short	last_lun;	/* (word 126) */
598 	unsigned short	word127;	/* (word 127) Feature Set
599 					 * Removable Media Notification
600 					 * 15:2	reserved
601 					 *  1:0	00 = not supported
602 					 *	01 = supported
603 					 *	10 = reserved
604 					 *	11 = reserved
605 					 */
606 	unsigned short	dlf;		/* (word 128)
607 					 * device lock function
608 					 * 15:9	reserved
609 					 *  8	security level 1:max 0:high
610 					 *  7:6	reserved
611 					 *  5	enhanced erase
612 					 *  4	expire
613 					 *  3	frozen
614 					 *  2	locked
615 					 *  1	en/disabled
616 					 *  0	capability
617 					 */
618 	unsigned short  csfo;		/*  (word 129)
619 					 * current set features options
620 					 * 15:4	reserved
621 					 *  3:	auto reassign
622 					 *  2:	reverting
623 					 *  1:	read-look-ahead
624 					 *  0:	write cache
625 					 */
626 	unsigned short	words130_155[26];/* reserved vendor words 130-155 */
627 	unsigned short	word156;	/* reserved vendor word 156 */
628 	unsigned short	words157_159[3];/* reserved vendor words 157-159 */
629 	unsigned short	cfa_power;	/* (word 160) CFA Power Mode
630 					 * 15 word 160 supported
631 					 * 14 reserved
632 					 * 13
633 					 * 12
634 					 * 11:0
635 					 */
636 	unsigned short	words161_175[15];/* Reserved for CFA */
637 	unsigned short	words176_205[30];/* Current Media Serial Number */
638 	unsigned short	words206_254[49];/* reserved words 206-254 */
639 	unsigned short	integrity_word;	/* (word 255)
640 					 * 15:8 Checksum
641 					 *  7:0 Signature
642 					 */
643 };
644 #endif /* __KERNEL__ */
645 
646 /*
647  * IDE "nice" flags. These are used on a per drive basis to determine
648  * when to be nice and give more bandwidth to the other devices which
649  * share the same IDE bus.
650  */
651 #define IDE_NICE_DSC_OVERLAP	(0)	/* per the DSC overlap protocol */
652 #define IDE_NICE_ATAPI_OVERLAP	(1)	/* not supported yet */
653 #define IDE_NICE_1		(3)	/* when probably won't affect us much */
654 #ifndef __KERNEL__
655 #define IDE_NICE_0		(2)	/* when sure that it won't affect us */
656 #define IDE_NICE_2		(4)	/* when we know it's on our expense */
657 #endif
658 
659 #endif	/* _LINUX_HDREG_H */
660