1 #ifndef _LINUX_HDREG_H
2 #define _LINUX_HDREG_H
3 
4 /*
5  * This file contains some defines for the AT-hd-controller.
6  * Various sources.
7  */
8 
9 #define HD_IRQ 14			/* the standard disk interrupt */
10 
11 /* ide.c has its own port definitions in "ide.h" */
12 
13 /* Hd controller regs. Ref: IBM AT Bios-listing */
14 #define HD_DATA		0x1f0		/* _CTL when writing */
15 #define HD_ERROR	0x1f1		/* see err-bits */
16 #define HD_NSECTOR	0x1f2		/* nr of sectors to read/write */
17 #define HD_SECTOR	0x1f3		/* starting sector */
18 #define HD_LCYL		0x1f4		/* starting cylinder */
19 #define HD_HCYL		0x1f5		/* high byte of starting cyl */
20 #define HD_CURRENT	0x1f6		/* 101dhhhh , d=drive, hhhh=head */
21 #define HD_STATUS	0x1f7		/* see status-bits */
22 #define HD_FEATURE	HD_ERROR	/* same io address, read=error, write=feature */
23 #define HD_PRECOMP	HD_FEATURE	/* obsolete use of this port - predates IDE */
24 #define HD_COMMAND	HD_STATUS	/* same io address, read=status, write=cmd */
25 
26 #define HD_CMD		0x3f6		/* used for resets */
27 #define HD_ALTSTATUS	0x3f6		/* same as HD_STATUS but doesn't clear irq */
28 
29 /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
30 
31 /* Bits of HD_STATUS */
32 #define ERR_STAT		0x01
33 #define INDEX_STAT		0x02
34 #define ECC_STAT		0x04	/* Corrected error */
35 #define DRQ_STAT		0x08
36 #define SEEK_STAT		0x10
37 #define SRV_STAT		0x10
38 #define WRERR_STAT		0x20
39 #define READY_STAT		0x40
40 #define BUSY_STAT		0x80
41 
42 /* Bits for HD_ERROR */
43 #define MARK_ERR		0x01	/* Bad address mark */
44 #define TRK0_ERR		0x02	/* couldn't find track 0 */
45 #define ABRT_ERR		0x04	/* Command aborted */
46 #define MCR_ERR			0x08	/* media change request */
47 #define ID_ERR			0x10	/* ID field not found */
48 #define MC_ERR			0x20	/* media changed */
49 #define ECC_ERR			0x40	/* Uncorrectable ECC error */
50 #define BBD_ERR			0x80	/* pre-EIDE meaning:  block marked bad */
51 #define ICRC_ERR		0x80	/* new meaning:  CRC error during transfer */
52 
53 /* Bits of HD_NSECTOR */
54 #define CD			0x01
55 #define IO			0x02
56 #define REL			0x04
57 #define TAG_MASK		0xf8
58 
59 
60 /*
61  * Command Header sizes for IOCTL commands
62  *	HDIO_DRIVE_CMD, HDIO_DRIVE_TASK, and HDIO_DRIVE_TASKFILE
63  */
64 
65 #if 0
66 #include <asm/hdreg.h>
67 typedef ide_ioreg_t task_ioreg_t;
68 #else
69 typedef unsigned char task_ioreg_t;
70 #endif
71 
72 typedef unsigned long sata_ioreg_t;
73 
74 #define HDIO_DRIVE_CMD_HDR_SIZE		4*sizeof(task_ioreg_t)
75 #define HDIO_DRIVE_TASK_HDR_SIZE	8*sizeof(task_ioreg_t)
76 #define HDIO_DRIVE_HOB_HDR_SIZE		8*sizeof(task_ioreg_t)
77 
78 #define IDE_DRIVE_TASK_INVALID		-1
79 #define IDE_DRIVE_TASK_NO_DATA		0
80 #define IDE_DRIVE_TASK_SET_XFER		1
81 
82 #define IDE_DRIVE_TASK_IN		2
83 
84 #define IDE_DRIVE_TASK_OUT		3
85 #define IDE_DRIVE_TASK_RAW_WRITE	4
86 
87 struct hd_drive_cmd_hdr {
88 	task_ioreg_t command;
89 	task_ioreg_t sector_number;
90 	task_ioreg_t feature;
91 	task_ioreg_t sector_count;
92 };
93 
94 typedef struct hd_drive_task_hdr {
95 	task_ioreg_t data;
96 	task_ioreg_t feature;
97 	task_ioreg_t sector_count;
98 	task_ioreg_t sector_number;
99 	task_ioreg_t low_cylinder;
100 	task_ioreg_t high_cylinder;
101 	task_ioreg_t device_head;
102 	task_ioreg_t command;
103 } task_struct_t;
104 
105 typedef struct hd_drive_hob_hdr {
106 	task_ioreg_t data;
107 	task_ioreg_t feature;
108 	task_ioreg_t sector_count;
109 	task_ioreg_t sector_number;
110 	task_ioreg_t low_cylinder;
111 	task_ioreg_t high_cylinder;
112 	task_ioreg_t device_head;
113 	task_ioreg_t control;
114 } hob_struct_t;
115 
116 typedef union ide_reg_valid_s {
117 	unsigned all				: 16;
118 	struct {
119 		unsigned data			: 1;
120 		unsigned error_feature		: 1;
121 		unsigned sector			: 1;
122 		unsigned nsector		: 1;
123 		unsigned lcyl			: 1;
124 		unsigned hcyl			: 1;
125 		unsigned select			: 1;
126 		unsigned status_command		: 1;
127 
128 		unsigned data_hob		: 1;
129 		unsigned error_feature_hob	: 1;
130 		unsigned sector_hob		: 1;
131 		unsigned nsector_hob		: 1;
132 		unsigned lcyl_hob		: 1;
133 		unsigned hcyl_hob		: 1;
134 		unsigned select_hob		: 1;
135 		unsigned control_hob		: 1;
136 	} b;
137 } ide_reg_valid_t;
138 
139 /*
140  * Define standard taskfile in/out register
141  */
142 #define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
143 #define IDE_TASKFILE_STD_IN_FLAGS	0xFE
144 #define IDE_HOB_STD_OUT_FLAGS		0x3C
145 #define IDE_HOB_STD_IN_FLAGS		0x3C
146 
147 typedef struct ide_task_request_s {
148 	task_ioreg_t	io_ports[8];
149 	task_ioreg_t	hob_ports[8];
150 	ide_reg_valid_t	out_flags;
151 	ide_reg_valid_t	in_flags;
152 	int		data_phase;
153 	int		req_cmd;
154 	unsigned long	out_size;
155 	unsigned long	in_size;
156 } ide_task_request_t;
157 
158 typedef struct ide_ioctl_request_s {
159 	ide_task_request_t	*task_request;
160 	unsigned char		*out_buffer;
161 	unsigned char		*in_buffer;
162 } ide_ioctl_request_t;
163 
164 #define TASKFILE_INVALID		0x7fff
165 #define TASKFILE_48			0x8000
166 
167 #define TASKFILE_NO_DATA		0x0000
168 
169 #define TASKFILE_IN			0x0001
170 #define TASKFILE_MULTI_IN		0x0002
171 
172 #define TASKFILE_OUT			0x0004
173 #define TASKFILE_MULTI_OUT		0x0008
174 #define TASKFILE_IN_OUT			0x0010
175 
176 #define TASKFILE_IN_DMA			0x0020
177 #define TASKFILE_OUT_DMA		0x0040
178 #define TASKFILE_IN_DMAQ		0x0080
179 #define TASKFILE_OUT_DMAQ		0x0100
180 
181 #define TASKFILE_P_IN			0x0200
182 #define TASKFILE_P_OUT			0x0400
183 #define TASKFILE_P_IN_DMA		0x0800
184 #define TASKFILE_P_OUT_DMA		0x1000
185 #define TASKFILE_P_IN_DMAQ		0x2000
186 #define TASKFILE_P_OUT_DMAQ		0x4000
187 
188 /* ATA/ATAPI Commands pre T13 Spec */
189 #define WIN_NOP				0x00
190 /*
191  *	0x01->0x02 Reserved
192  */
193 #define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
194 /*
195  *	0x04->0x07 Reserved
196  */
197 #define WIN_SRST			0x08 /* ATAPI soft reset command */
198 #define WIN_DEVICE_RESET		0x08
199 /*
200  *	0x09->0x0F Reserved
201  */
202 #define WIN_RECAL			0x10
203 #define WIN_RESTORE			WIN_RECAL
204 /*
205  *	0x10->0x1F Reserved
206  */
207 #define WIN_READ			0x20 /* 28-Bit */
208 #define WIN_READ_ONCE			0x21 /* 28-Bit without retries */
209 #define WIN_READ_LONG			0x22 /* 28-Bit */
210 #define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */
211 #define WIN_READ_EXT			0x24 /* 48-Bit */
212 #define WIN_READDMA_EXT			0x25 /* 48-Bit */
213 #define WIN_READDMA_QUEUED_EXT		0x26 /* 48-Bit */
214 #define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
215 /*
216  *	0x28
217  */
218 #define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
219 /*
220  *	0x2A->0x2F Reserved
221  */
222 #define WIN_WRITE			0x30 /* 28-Bit */
223 #define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */
224 #define WIN_WRITE_LONG			0x32 /* 28-Bit */
225 #define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */
226 #define WIN_WRITE_EXT			0x34 /* 48-Bit */
227 #define WIN_WRITEDMA_EXT		0x35 /* 48-Bit */
228 #define WIN_WRITEDMA_QUEUED_EXT		0x36 /* 48-Bit */
229 #define WIN_SET_MAX_EXT			0x37 /* 48-Bit */
230 #define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
231 #define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
232 /*
233  *	0x3A->0x3B Reserved
234  */
235 #define WIN_WRITE_VERIFY		0x3C /* 28-Bit */
236 /*
237  *	0x3D->0x3F Reserved
238  */
239 #define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
240 #define WIN_VERIFY_ONCE			0x41 /* 28-Bit - without retries */
241 #define WIN_VERIFY_EXT			0x42 /* 48-Bit */
242 /*
243  *	0x43->0x4F Reserved
244  */
245 #define WIN_FORMAT			0x50
246 /*
247  *	0x51->0x5F Reserved
248  */
249 #define WIN_INIT			0x60
250 /*
251  *	0x61->0x5F Reserved
252  */
253 #define WIN_SEEK			0x70 /* 0x70-0x7F Reserved */
254 #define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
255 #define WIN_DIAGNOSE			0x90
256 #define WIN_SPECIFY			0x91 /* set drive geometry translation */
257 #define WIN_DOWNLOAD_MICROCODE		0x92
258 #define WIN_STANDBYNOW2			0x94
259 #define WIN_STANDBY2			0x96
260 #define WIN_SETIDLE2			0x97
261 #define WIN_CHECKPOWERMODE2		0x98
262 #define WIN_SLEEPNOW2			0x99
263 /*
264  *	0x9A VENDOR
265  */
266 #define WIN_PACKETCMD			0xA0 /* Send a packet command. */
267 #define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
268 #define WIN_QUEUED_SERVICE		0xA2
269 #define WIN_SMART			0xB0 /* self-monitoring and reporting */
270 #define CFA_ERASE_SECTORS       	0xC0
271 #define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/
272 #define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */
273 #define WIN_SETMULT			0xC6 /* enable/disable multiple mode */
274 #define WIN_READDMA_QUEUED		0xC7 /* read sectors using Queued DMA transfers */
275 #define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
276 #define WIN_READDMA_ONCE		0xC9 /* 28-Bit - without retries */
277 #define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
278 #define WIN_WRITEDMA_ONCE		0xCB /* 28-Bit - without retries */
279 #define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers */
280 #define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
281 #define WIN_GETMEDIASTATUS		0xDA
282 #define WIN_ACKMEDIACHANGE		0xDB /* ATA-1, ATA-2 vendor */
283 #define WIN_POSTBOOT			0xDC
284 #define WIN_PREBOOT			0xDD
285 #define WIN_DOORLOCK			0xDE /* lock door on removable drives */
286 #define WIN_DOORUNLOCK			0xDF /* unlock door on removable drives */
287 #define WIN_STANDBYNOW1			0xE0
288 #define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */
289 #define WIN_STANDBY             	0xE2 /* Set device in Standby Mode */
290 #define WIN_SETIDLE1			0xE3
291 #define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */
292 #define WIN_CHECKPOWERMODE1		0xE5
293 #define WIN_SLEEPNOW1			0xE6
294 #define WIN_FLUSH_CACHE			0xE7
295 #define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */
296 #define WIN_WRITE_SAME			0xE9 /* read ata-2 to use */
297 	/* SET_FEATURES 0x22 or 0xDD */
298 #define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
299 #define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
300 #define WIN_MEDIAEJECT			0xED
301 #define WIN_IDENTIFY_DMA		0xEE /* same as WIN_IDENTIFY, but DMA */
302 #define WIN_SETFEATURES			0xEF /* set special drive features */
303 #define EXABYTE_ENABLE_NEST		0xF0
304 #define WIN_SECURITY_SET_PASS		0xF1
305 #define WIN_SECURITY_UNLOCK		0xF2
306 #define WIN_SECURITY_ERASE_PREPARE	0xF3
307 #define WIN_SECURITY_ERASE_UNIT		0xF4
308 #define WIN_SECURITY_FREEZE_LOCK	0xF5
309 #define WIN_SECURITY_DISABLE		0xF6
310 #define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
311 #define WIN_SET_MAX			0xF9
312 #define DISABLE_SEAGATE			0xFB
313 
314 /* WIN_SMART sub-commands */
315 
316 #define SMART_READ_VALUES		0xD0
317 #define SMART_READ_THRESHOLDS		0xD1
318 #define SMART_AUTOSAVE			0xD2
319 #define SMART_SAVE			0xD3
320 #define SMART_IMMEDIATE_OFFLINE		0xD4
321 #define SMART_READ_LOG_SECTOR		0xD5
322 #define SMART_WRITE_LOG_SECTOR		0xD6
323 #define SMART_WRITE_THRESHOLDS		0xD7
324 #define SMART_ENABLE			0xD8
325 #define SMART_DISABLE			0xD9
326 #define SMART_STATUS			0xDA
327 #define SMART_AUTO_OFFLINE		0xDB
328 
329 /* Password used in TF4 & TF5 executing SMART commands */
330 
331 #define SMART_LCYL_PASS			0x4F
332 #define SMART_HCYL_PASS			0xC2
333 
334 /* WIN_SETFEATURES sub-commands */
335 #define SETFEATURES_EN_8BIT	0x01	/* Enable 8-Bit Transfers */
336 #define SETFEATURES_EN_WCACHE	0x02	/* Enable write cache */
337 #define SETFEATURES_XFER	0x03	/* Set transfer mode */
338 #	define XFER_UDMA_7	0x47	/* 0100|0111 */
339 #	define XFER_UDMA_6	0x46	/* 0100|0110 */
340 #	define XFER_UDMA_5	0x45	/* 0100|0101 */
341 #	define XFER_UDMA_4	0x44	/* 0100|0100 */
342 #	define XFER_UDMA_3	0x43	/* 0100|0011 */
343 #	define XFER_UDMA_2	0x42	/* 0100|0010 */
344 #	define XFER_UDMA_1	0x41	/* 0100|0001 */
345 #	define XFER_UDMA_0	0x40	/* 0100|0000 */
346 #	define XFER_MW_DMA_2	0x22	/* 0010|0010 */
347 #	define XFER_MW_DMA_1	0x21	/* 0010|0001 */
348 #	define XFER_MW_DMA_0	0x20	/* 0010|0000 */
349 #	define XFER_SW_DMA_2	0x12	/* 0001|0010 */
350 #	define XFER_SW_DMA_1	0x11	/* 0001|0001 */
351 #	define XFER_SW_DMA_0	0x10	/* 0001|0000 */
352 #	define XFER_PIO_4	0x0C	/* 0000|1100 */
353 #	define XFER_PIO_3	0x0B	/* 0000|1011 */
354 #	define XFER_PIO_2	0x0A	/* 0000|1010 */
355 #	define XFER_PIO_1	0x09	/* 0000|1001 */
356 #	define XFER_PIO_0	0x08	/* 0000|1000 */
357 #	define XFER_PIO_SLOW	0x00	/* 0000|0000 */
358 #define SETFEATURES_DIS_DEFECT	0x04	/* Disable Defect Management */
359 #define SETFEATURES_EN_APM	0x05	/* Enable advanced power management */
360 #define SETFEATURES_EN_SAME_R	0x22	/* for a region ATA-1 */
361 #define SETFEATURES_DIS_MSN	0x31	/* Disable Media Status Notification */
362 #define SETFEATURES_DIS_RETRY	0x33	/* Disable Retry */
363 #define SETFEATURES_EN_AAM	0x42	/* Enable Automatic Acoustic Management */
364 #define SETFEATURES_RW_LONG	0x44	/* Set Lenght of VS bytes */
365 #define SETFEATURES_SET_CACHE	0x54	/* Set Cache segments to SC Reg. Val */
366 #define SETFEATURES_DIS_RLA	0x55	/* Disable read look-ahead feature */
367 #define SETFEATURES_EN_RI	0x5D	/* Enable release interrupt */
368 #define SETFEATURES_EN_SI	0x5E	/* Enable SERVICE interrupt */
369 #define SETFEATURES_DIS_RPOD	0x66	/* Disable reverting to power on defaults */
370 #define SETFEATURES_DIS_ECC	0x77	/* Disable ECC byte count */
371 #define SETFEATURES_DIS_8BIT	0x81	/* Disable 8-Bit Transfers */
372 #define SETFEATURES_DIS_WCACHE	0x82	/* Disable write cache */
373 #define SETFEATURES_EN_DEFECT	0x84	/* Enable Defect Management */
374 #define SETFEATURES_DIS_APM	0x85	/* Disable advanced power management */
375 #define SETFEATURES_EN_ECC	0x88	/* Enable ECC byte count */
376 #define SETFEATURES_EN_MSN	0x95	/* Enable Media Status Notification */
377 #define SETFEATURES_EN_RETRY	0x99	/* Enable Retry */
378 #define SETFEATURES_EN_RLA	0xAA	/* Enable read look-ahead feature */
379 #define SETFEATURES_PREFETCH	0xAB	/* Sets drive prefetch value */
380 #define SETFEATURES_EN_REST	0xAC	/* ATA-1 */
381 #define SETFEATURES_4B_RW_LONG	0xBB	/* Set Lenght of 4 bytes */
382 #define SETFEATURES_DIS_AAM	0xC2	/* Disable Automatic Acoustic Management */
383 #define SETFEATURES_EN_RPOD	0xCC	/* Enable reverting to power on defaults */
384 #define SETFEATURES_DIS_RI	0xDD	/* Disable release interrupt ATAPI */
385 #define SETFEATURES_EN_SAME_M	0xDD	/* for a entire device ATA-1 */
386 #define SETFEATURES_DIS_SI	0xDE	/* Disable SERVICE interrupt ATAPI */
387 
388 /* WIN_SECURITY sub-commands */
389 
390 #define SECURITY_SET_PASSWORD		0xBA
391 #define SECURITY_UNLOCK			0xBB
392 #define SECURITY_ERASE_PREPARE		0xBC
393 #define SECURITY_ERASE_UNIT		0xBD
394 #define SECURITY_FREEZE_LOCK		0xBE
395 #define SECURITY_DISABLE_PASSWORD	0xBF
396 
397 struct hd_geometry {
398       unsigned char heads;
399       unsigned char sectors;
400       unsigned short cylinders;
401       unsigned long start;
402 };
403 
404 /* BIG GEOMETRY */
405 struct hd_big_geometry {
406 	unsigned char heads;
407 	unsigned char sectors;
408 	unsigned int cylinders;
409 	unsigned long start;
410 };
411 
412 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
413 #define HDIO_GETGEO		0x0301	/* get device geometry */
414 #define HDIO_GET_UNMASKINTR	0x0302	/* get current unmask setting */
415 #define HDIO_GET_MULTCOUNT	0x0304	/* get current IDE blockmode setting */
416 #define HDIO_GET_QDMA		0x0305	/* get use-qdma flag */
417 
418 #define HDIO_SET_XFER		0x0306	/* set transfer rate via proc */
419 
420 #define HDIO_OBSOLETE_IDENTITY	0x0307	/* OBSOLETE, DO NOT USE: returns 142 bytes */
421 #define HDIO_GET_KEEPSETTINGS	0x0308	/* get keep-settings-on-reset flag */
422 #define HDIO_GET_32BIT		0x0309	/* get current io_32bit setting */
423 #define HDIO_GET_NOWERR		0x030a	/* get ignore-write-error flag */
424 #define HDIO_GET_DMA		0x030b	/* get use-dma flag */
425 #define HDIO_GET_NICE		0x030c	/* get nice flags */
426 #define HDIO_GET_IDENTITY	0x030d	/* get IDE identification info */
427 #define HDIO_GET_WCACHE		0x030e	/* get write cache mode on|off */
428 #define HDIO_GET_ACOUSTIC	0x030f	/* get acoustic value */
429 #define	HDIO_GET_ADDRESS	0x0310	/* */
430 
431 #define HDIO_GET_BUSSTATE	0x031a	/* get the bus state of the hwif */
432 #define HDIO_TRISTATE_HWIF	0x031b	/* execute a channel tristate */
433 #define HDIO_DRIVE_RESET	0x031c	/* execute a device reset */
434 #define HDIO_DRIVE_TASKFILE	0x031d	/* execute raw taskfile */
435 #define HDIO_DRIVE_TASK		0x031e	/* execute task and special drive command */
436 #define HDIO_DRIVE_CMD		0x031f	/* execute a special drive command */
437 
438 #define HDIO_DRIVE_CMD_AEB	HDIO_DRIVE_TASK
439 
440 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
441 #define HDIO_SET_MULTCOUNT	0x0321	/* change IDE blockmode */
442 #define HDIO_SET_UNMASKINTR	0x0322	/* permit other irqs during I/O */
443 #define HDIO_SET_KEEPSETTINGS	0x0323	/* keep ioctl settings on reset */
444 #define HDIO_SET_32BIT		0x0324	/* change io_32bit flags */
445 #define HDIO_SET_NOWERR		0x0325	/* change ignore-write-error flag */
446 #define HDIO_SET_DMA		0x0326	/* change use-dma flag */
447 #define HDIO_SET_PIO_MODE	0x0327	/* reconfig interface to new speed */
448 #define HDIO_SCAN_HWIF		0x0328	/* register and (re)scan interface */
449 #define HDIO_SET_NICE		0x0329	/* set nice flags */
450 #define HDIO_UNREGISTER_HWIF	0x032a  /* unregister interface */
451 #define HDIO_SET_WCACHE		0x032b	/* change write cache enable-disable */
452 #define HDIO_SET_ACOUSTIC	0x032c	/* change acoustic behavior */
453 #define HDIO_SET_BUSSTATE	0x032d	/* set the bus state of the hwif */
454 #define HDIO_SET_QDMA		0x032e	/* change use-qdma flag */
455 #define HDIO_SET_ADDRESS	0x032f	/* change lba addressing modes */
456 
457 /* bus states */
458 enum {
459 	BUSSTATE_OFF = 0,
460 	BUSSTATE_ON,
461 	BUSSTATE_TRISTATE
462 };
463 
464 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
465 #define HDIO_GETGEO_BIG		0x0330	/* */
466 #define HDIO_GETGEO_BIG_RAW	0x0331	/* */
467 
468 #define HDIO_SET_IDE_SCSI	0x0338
469 #define HDIO_SET_SCSI_IDE	0x0339
470 
471 #define __NEW_HD_DRIVE_ID
472 /* structure returned by HDIO_GET_IDENTITY,
473  * as per ANSI NCITS ATA6 rev.1b spec
474  */
475 struct hd_driveid {
476 	unsigned short	config;		/* lots of obsolete bit flags */
477 	unsigned short	cyls;		/* Obsolete, "physical" cyls */
478 	unsigned short	reserved2;	/* reserved (word 2) */
479 	unsigned short	heads;		/* Obsolete, "physical" heads */
480 	unsigned short	track_bytes;	/* unformatted bytes per track */
481 	unsigned short	sector_bytes;	/* unformatted bytes per sector */
482 	unsigned short	sectors;	/* Obsolete, "physical" sectors per track */
483 	unsigned short	vendor0;	/* vendor unique */
484 	unsigned short	vendor1;	/* vendor unique */
485 	unsigned short	vendor2;	/* Retired vendor unique */
486 	unsigned char	serial_no[20];	/* 0 = not_specified */
487 	unsigned short	buf_type;	/* Retired */
488 	unsigned short	buf_size;	/* Retired, 512 byte increments
489 					 * 0 = not_specified
490 					 */
491 	unsigned short	ecc_bytes;	/* for r/w long cmds; 0 = not_specified */
492 	unsigned char	fw_rev[8];	/* 0 = not_specified */
493 	unsigned char	model[40];	/* 0 = not_specified */
494 	unsigned char	max_multsect;	/* 0=not_implemented */
495 	unsigned char	vendor3;	/* vendor unique */
496 	unsigned short	dword_io;	/* 0=not_implemented; 1=implemented */
497 	unsigned char	vendor4;	/* vendor unique */
498 	unsigned char	capability;	/* (upper byte of word 49)
499 					 *  3:	IORDYsup
500 					 *  2:	IORDYsw
501 					 *  1:	LBA
502 					 *  0:	DMA
503 					 */
504 	unsigned short	reserved50;	/* reserved (word 50) */
505 	unsigned char	vendor5;	/* Obsolete, vendor unique */
506 	unsigned char	tPIO;		/* Obsolete, 0=slow, 1=medium, 2=fast */
507 	unsigned char	vendor6;	/* Obsolete, vendor unique */
508 	unsigned char	tDMA;		/* Obsolete, 0=slow, 1=medium, 2=fast */
509 	unsigned short	field_valid;	/* (word 53)
510 					 *  2:	ultra_ok	word  88
511 					 *  1:	eide_ok		words 64-70
512 					 *  0:	cur_ok		words 54-58
513 					 */
514 	unsigned short	cur_cyls;	/* Obsolete, logical cylinders */
515 	unsigned short	cur_heads;	/* Obsolete, l heads */
516 	unsigned short	cur_sectors;	/* Obsolete, l sectors per track */
517 	unsigned short	cur_capacity0;	/* Obsolete, l total sectors on drive */
518 	unsigned short	cur_capacity1;	/* Obsolete, (2 words, misaligned int)     */
519 	unsigned char	multsect;	/* current multiple sector count */
520 	unsigned char	multsect_valid;	/* when (bit0==1) multsect is ok */
521 	unsigned int	lba_capacity;	/* Obsolete, total number of sectors */
522 	unsigned short	dma_1word;	/* Obsolete, single-word dma info */
523 	unsigned short	dma_mword;	/* multiple-word dma info */
524 	unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
525 	unsigned short  eide_dma_min;	/* min mword dma cycle time (ns) */
526 	unsigned short  eide_dma_time;	/* recommended mword dma cycle time (ns) */
527 	unsigned short  eide_pio;       /* min cycle time (ns), no IORDY  */
528 	unsigned short  eide_pio_iordy; /* min cycle time (ns), with IORDY */
529 	unsigned short	words69_70[2];	/* reserved words 69-70
530 					 * future command overlap and queuing
531 					 */
532 	/* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
533 	unsigned short	words71_74[4];	/* reserved words 71-74
534 					 * for IDENTIFY PACKET DEVICE command
535 					 */
536 	unsigned short  queue_depth;	/* (word 75)
537 					 * 15:5	reserved
538 					 *  4:0	Maximum queue depth -1
539 					 */
540 	unsigned short  words76_79[4];	/* reserved words 76-79 */
541 	unsigned short  major_rev_num;	/* (word 80) */
542 	unsigned short  minor_rev_num;	/* (word 81) */
543 	unsigned short  command_set_1;	/* (word 82) supported
544 					 * 15:	Obsolete
545 					 * 14:	NOP command
546 					 * 13:	READ_BUFFER
547 					 * 12:	WRITE_BUFFER
548 					 * 11:	Obsolete
549 					 * 10:	Host Protected Area
550 					 *  9:	DEVICE Reset
551 					 *  8:	SERVICE Interrupt
552 					 *  7:	Release Interrupt
553 					 *  6:	look-ahead
554 					 *  5:	write cache
555 					 *  4:	PACKET Command
556 					 *  3:	Power Management Feature Set
557 					 *  2:	Removable Feature Set
558 					 *  1:	Security Feature Set
559 					 *  0:	SMART Feature Set
560 					 */
561 	unsigned short  command_set_2;	/* (word 83)
562 					 * 15:	Shall be ZERO
563 					 * 14:	Shall be ONE
564 					 * 13:	FLUSH CACHE EXT
565 					 * 12:	FLUSH CACHE
566 					 * 11:	Device Configuration Overlay
567 					 * 10:	48-bit Address Feature Set
568 					 *  9:	Automatic Acoustic Management
569 					 *  8:	SET MAX security
570 					 *  7:	reserved 1407DT PARTIES
571 					 *  6:	SetF sub-command Power-Up
572 					 *  5:	Power-Up in Standby Feature Set
573 					 *  4:	Removable Media Notification
574 					 *  3:	APM Feature Set
575 					 *  2:	CFA Feature Set
576 					 *  1:	READ/WRITE DMA QUEUED
577 					 *  0:	Download MicroCode
578 					 */
579 	unsigned short  cfsse;		/* (word 84)
580 					 * cmd set-feature supported extensions
581 					 * 15:	Shall be ZERO
582 					 * 14:	Shall be ONE
583 					 * 13:6	reserved
584 					 *  5:	General Purpose Logging
585 					 *  4:	Streaming Feature Set
586 					 *  3:	Media Card Pass Through
587 					 *  2:	Media Serial Number Valid
588 					 *  1:	SMART selt-test supported
589 					 *  0:	SMART error logging
590 					 */
591 	unsigned short  cfs_enable_1;	/* (word 85)
592 					 * command set-feature enabled
593 					 * 15:	Obsolete
594 					 * 14:	NOP command
595 					 * 13:	READ_BUFFER
596 					 * 12:	WRITE_BUFFER
597 					 * 11:	Obsolete
598 					 * 10:	Host Protected Area
599 					 *  9:	DEVICE Reset
600 					 *  8:	SERVICE Interrupt
601 					 *  7:	Release Interrupt
602 					 *  6:	look-ahead
603 					 *  5:	write cache
604 					 *  4:	PACKET Command
605 					 *  3:	Power Management Feature Set
606 					 *  2:	Removable Feature Set
607 					 *  1:	Security Feature Set
608 					 *  0:	SMART Feature Set
609 					 */
610 	unsigned short  cfs_enable_2;	/* (word 86)
611 					 * command set-feature enabled
612 					 * 15:	Shall be ZERO
613 					 * 14:	Shall be ONE
614 					 * 13:	FLUSH CACHE EXT
615 					 * 12:	FLUSH CACHE
616 					 * 11:	Device Configuration Overlay
617 					 * 10:	48-bit Address Feature Set
618 					 *  9:	Automatic Acoustic Management
619 					 *  8:	SET MAX security
620 					 *  7:	reserved 1407DT PARTIES
621 					 *  6:	SetF sub-command Power-Up
622 					 *  5:	Power-Up in Standby Feature Set
623 					 *  4:	Removable Media Notification
624 					 *  3:	APM Feature Set
625 					 *  2:	CFA Feature Set
626 					 *  1:	READ/WRITE DMA QUEUED
627 					 *  0:	Download MicroCode
628 					 */
629 	unsigned short  csf_default;	/* (word 87)
630 					 * command set-feature default
631 					 * 15:	Shall be ZERO
632 					 * 14:	Shall be ONE
633 					 * 13:6	reserved
634 					 *  5:	General Purpose Logging enabled
635 					 *  4:	Valid CONFIGURE STREAM executed
636 					 *  3:	Media Card Pass Through enabled
637 					 *  2:	Media Serial Number Valid
638 					 *  1:	SMART selt-test supported
639 					 *  0:	SMART error logging
640 					 */
641 	unsigned short  dma_ultra;	/* (word 88) */
642 	unsigned short	trseuc;		/* time required for security erase */
643 	unsigned short	trsEuc;		/* time required for enhanced erase */
644 	unsigned short	CurAPMvalues;	/* current APM values */
645 	unsigned short	mprc;		/* master password revision code */
646 	unsigned short	hw_config;	/* hardware config (word 93)
647 					 * 15:	Shall be ZERO
648 					 * 14:	Shall be ONE
649 					 * 13:
650 					 * 12:
651 					 * 11:
652 					 * 10:
653 					 *  9:
654 					 *  8:
655 					 *  7:
656 					 *  6:
657 					 *  5:
658 					 *  4:
659 					 *  3:
660 					 *  2:
661 					 *  1:
662 					 *  0:	Shall be ONE
663 					 */
664 	unsigned short	acoustic;	/* (word 94)
665 					 * 15:8	Vendor's recommended value
666 					 *  7:0	current value
667 					 */
668 	unsigned short	msrqs;		/* min stream request size */
669 	unsigned short	sxfert;		/* stream transfer time */
670 	unsigned short	sal;		/* stream access latency */
671 	unsigned int	spg;		/* stream performance granularity */
672 	unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
673 	unsigned short	words104_125[22];/* reserved words 104-125 */
674 	unsigned short	last_lun;	/* (word 126) */
675 	unsigned short	word127;	/* (word 127) Feature Set
676 					 * Removable Media Notification
677 					 * 15:2	reserved
678 					 *  1:0	00 = not supported
679 					 *	01 = supported
680 					 *	10 = reserved
681 					 *	11 = reserved
682 					 */
683 	unsigned short	dlf;		/* (word 128)
684 					 * device lock function
685 					 * 15:9	reserved
686 					 *  8	security level 1:max 0:high
687 					 *  7:6	reserved
688 					 *  5	enhanced erase
689 					 *  4	expire
690 					 *  3	frozen
691 					 *  2	locked
692 					 *  1	en/disabled
693 					 *  0	capability
694 					 */
695 	unsigned short  csfo;		/*  (word 129)
696 					 * current set features options
697 					 * 15:4	reserved
698 					 *  3:	auto reassign
699 					 *  2:	reverting
700 					 *  1:	read-look-ahead
701 					 *  0:	write cache
702 					 */
703 	unsigned short	words130_155[26];/* reserved vendor words 130-155 */
704 	unsigned short	word156;	/* reserved vendor word 156 */
705 	unsigned short	words157_159[3];/* reserved vendor words 157-159 */
706 	unsigned short	cfa_power;	/* (word 160) CFA Power Mode
707 					 * 15 word 160 supported
708 					 * 14 reserved
709 					 * 13
710 					 * 12
711 					 * 11:0
712 					 */
713 	unsigned short	words161_175[15];/* Reserved for CFA */
714 	unsigned short	words176_205[30];/* Current Media Serial Number */
715 	unsigned short	words206_254[49];/* reserved words 206-254 */
716 	unsigned short	integrity_word;	/* (word 255)
717 					 * 15:8 Checksum
718 					 *  7:0 Signature
719 					 */
720 };
721 
722 /*
723  * IDE "nice" flags. These are used on a per drive basis to determine
724  * when to be nice and give more bandwidth to the other devices which
725  * share the same IDE bus.
726  */
727 #define IDE_NICE_DSC_OVERLAP	(0)	/* per the DSC overlap protocol */
728 #define IDE_NICE_ATAPI_OVERLAP	(1)	/* not supported yet */
729 #define IDE_NICE_0		(2)	/* when sure that it won't affect us */
730 #define IDE_NICE_1		(3)	/* when probably won't affect us much */
731 #define IDE_NICE_2		(4)	/* when we know it's on our expense */
732 
733 #ifdef __KERNEL__
734 /*
735  * These routines are used for kernel command line parameters from main.c:
736  */
737 #include <linux/config.h>
738 
739 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
740 int ide_register(int io_port, int ctl_port, int irq);
741 int ide_unregister(unsigned int);
742 #endif /* CONFIG_BLK_DEV_IDE || CONFIG_BLK_DEV_IDE_MODULE */
743 
744 #endif  /* __KERNEL__ */
745 
746 #endif	/* _LINUX_HDREG_H */
747