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