ata.h revision 157329
1/*-
2 * Copyright (c) 2000 - 2006 S�ren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer,
10 *    without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/sys/ata.h 157329 2006-03-31 08:09:05Z sos $
27 */
28
29#ifndef _SYS_ATA_H_
30#define _SYS_ATA_H_
31
32#include <sys/ioccom.h>
33
34/* ATA/ATAPI device parameters */
35struct ata_params {
36/*000*/ u_int16_t       config;         /* configuration info */
37#define ATA_PROTO_MASK                  0x8003
38#define ATA_PROTO_ATAPI                 0x8000
39#define ATA_PROTO_ATAPI_12              0x8000
40#define ATA_PROTO_ATAPI_16              0x8001
41#define ATA_ATAPI_TYPE_MASK             0x1f00
42#define ATA_ATAPI_TYPE_DIRECT           0x0000  /* disk/floppy */
43#define ATA_ATAPI_TYPE_TAPE             0x0100  /* streaming tape */
44#define ATA_ATAPI_TYPE_CDROM            0x0500  /* CD-ROM device */
45#define ATA_ATAPI_TYPE_OPTICAL          0x0700  /* optical disk */
46#define ATA_DRQ_MASK                    0x0060
47#define ATA_DRQ_SLOW                    0x0000  /* cpu 3 ms delay */
48#define ATA_DRQ_INTR                    0x0020  /* interrupt 10 ms delay */
49#define ATA_DRQ_FAST                    0x0040  /* accel 50 us delay */
50
51/*001*/ u_int16_t       cylinders;              /* # of cylinders */
52	u_int16_t       reserved2;
53/*003*/ u_int16_t       heads;                  /* # heads */
54	u_int16_t       obsolete4;
55	u_int16_t       obsolete5;
56/*006*/ u_int16_t       sectors;                /* # sectors/track */
57/*007*/ u_int16_t       vendor7[3];
58/*010*/ u_int8_t        serial[20];             /* serial number */
59/*020*/ u_int16_t       retired20;
60	u_int16_t       retired21;
61	u_int16_t       obsolete22;
62/*023*/ u_int8_t        revision[8];            /* firmware revision */
63/*027*/ u_int8_t        model[40];              /* model name */
64/*047*/ u_int16_t       sectors_intr;           /* sectors per interrupt */
65/*048*/ u_int16_t       usedmovsd;              /* double word read/write? */
66/*049*/ u_int16_t       capabilities1;
67#define ATA_SUPPORT_DMA                 0x0100
68#define ATA_SUPPORT_LBA                 0x0200
69#define ATA_SUPPORT_OVERLAP             0x4000
70
71/*050*/ u_int16_t       capabilities2;
72/*051*/ u_int16_t       retired_piomode;        /* PIO modes 0-2 */
73#define ATA_RETIRED_PIO_MASK            0x0300
74
75/*052*/ u_int16_t       retired_dmamode;        /* DMA modes */
76#define ATA_RETIRED_DMA_MASK            0x0003
77
78/*053*/ u_int16_t       atavalid;               /* fields valid */
79#define ATA_FLAG_54_58                  0x0001  /* words 54-58 valid */
80#define ATA_FLAG_64_70                  0x0002  /* words 64-70 valid */
81#define ATA_FLAG_88                     0x0004  /* word 88 valid */
82
83/*054*/ u_int16_t       current_cylinders;
84/*055*/ u_int16_t       current_heads;
85/*056*/ u_int16_t       current_sectors;
86/*057*/ u_int16_t       current_size_1;
87/*058*/ u_int16_t       current_size_2;
88/*059*/ u_int16_t       multi;
89#define ATA_MULTI_VALID                 0x0100
90
91/*060*/ u_int16_t       lba_size_1;
92	u_int16_t       lba_size_2;
93	u_int16_t       obsolete62;
94/*063*/ u_int16_t       mwdmamodes;             /* multiword DMA modes */
95/*064*/ u_int16_t       apiomodes;              /* advanced PIO modes */
96
97/*065*/ u_int16_t       mwdmamin;               /* min. M/W DMA time/word ns */
98/*066*/ u_int16_t       mwdmarec;               /* rec. M/W DMA time ns */
99/*067*/ u_int16_t       pioblind;               /* min. PIO cycle w/o flow */
100/*068*/ u_int16_t       pioiordy;               /* min. PIO cycle IORDY flow */
101	u_int16_t       reserved69;
102	u_int16_t       reserved70;
103/*071*/ u_int16_t       rlsovlap;               /* rel time (us) for overlap */
104/*072*/ u_int16_t       rlsservice;             /* rel time (us) for service */
105	u_int16_t       reserved73;
106	u_int16_t       reserved74;
107/*075*/ u_int16_t       queue;
108#define ATA_QUEUE_LEN(x)                ((x) & 0x001f)
109
110	u_int16_t       satacapabilities;
111#define ATA_SATA_GEN1                   0x0002
112#define ATA_SATA_GEN2                   0x0004
113#define ATA_SUPPORT_NCQ                 0x0100
114#define ATA_SUPPORT_IFPWRMNGTRCV        0x0200
115
116	u_int16_t       reserved77;
117	u_int16_t       satasupport;
118#define ATA_SUPPORT_NONZERO             0x0002
119#define ATA_SUPPORT_AUTOACTIVATE        0x0004
120#define ATA_SUPPORT_IFPWRMNGT           0x0008
121#define ATA_SUPPORT_INORDERDATA         0x0010
122	u_int16_t       sataenabled;
123
124/*080*/ u_int16_t       version_major;
125/*081*/ u_int16_t       version_minor;
126
127	struct {
128/*082/085*/ u_int16_t   command1;
129#define ATA_SUPPORT_SMART               0x0001
130#define ATA_SUPPORT_SECURITY            0x0002
131#define ATA_SUPPORT_REMOVABLE           0x0004
132#define ATA_SUPPORT_POWERMGT            0x0008
133#define ATA_SUPPORT_PACKET              0x0010
134#define ATA_SUPPORT_WRITECACHE          0x0020
135#define ATA_SUPPORT_LOOKAHEAD           0x0040
136#define ATA_SUPPORT_RELEASEIRQ          0x0080
137#define ATA_SUPPORT_SERVICEIRQ          0x0100
138#define ATA_SUPPORT_RESET               0x0200
139#define ATA_SUPPORT_PROTECTED           0x0400
140#define ATA_SUPPORT_WRITEBUFFER         0x1000
141#define ATA_SUPPORT_READBUFFER          0x2000
142#define ATA_SUPPORT_NOP                 0x4000
143
144/*083/086*/ u_int16_t   command2;
145#define ATA_SUPPORT_MICROCODE           0x0001
146#define ATA_SUPPORT_QUEUED              0x0002
147#define ATA_SUPPORT_CFA                 0x0004
148#define ATA_SUPPORT_APM                 0x0008
149#define ATA_SUPPORT_NOTIFY              0x0010
150#define ATA_SUPPORT_STANDBY             0x0020
151#define ATA_SUPPORT_SPINUP              0x0040
152#define ATA_SUPPORT_MAXSECURITY         0x0100
153#define ATA_SUPPORT_AUTOACOUSTIC        0x0200
154#define ATA_SUPPORT_ADDRESS48           0x0400
155#define ATA_SUPPORT_OVERLAY             0x0800
156#define ATA_SUPPORT_FLUSHCACHE          0x1000
157#define ATA_SUPPORT_FLUSHCACHE48        0x2000
158
159/*084/087*/ u_int16_t   extension;
160	} __packed support, enabled;
161
162/*088*/ u_int16_t       udmamodes;              /* UltraDMA modes */
163/*089*/ u_int16_t       erase_time;
164/*090*/ u_int16_t       enhanced_erase_time;
165/*091*/ u_int16_t       apm_value;
166/*092*/ u_int16_t       master_passwd_revision;
167/*093*/ u_int16_t       hwres;
168#define ATA_CABLE_ID                    0x2000
169
170/*094*/ u_int16_t       acoustic;
171#define ATA_ACOUSTIC_CURRENT(x)         ((x) & 0x00ff)
172#define ATA_ACOUSTIC_VENDOR(x)          (((x) & 0xff00) >> 8)
173
174/*095*/ u_int16_t       stream_min_req_size;
175/*096*/ u_int16_t       stream_transfer_time;
176/*097*/ u_int16_t       stream_access_latency;
177/*098*/ u_int32_t       stream_granularity;
178/*100*/ u_int16_t       lba_size48_1;
179	u_int16_t       lba_size48_2;
180	u_int16_t       lba_size48_3;
181	u_int16_t       lba_size48_4;
182	u_int16_t       reserved104[23];
183/*127*/ u_int16_t       removable_status;
184/*128*/ u_int16_t       security_status;
185	u_int16_t       reserved129[31];
186/*160*/ u_int16_t       cfa_powermode1;
187	u_int16_t       reserved161[15];
188/*176*/ u_int16_t       media_serial[30];
189	u_int16_t       reserved206[49];
190/*255*/ u_int16_t       integrity;
191} __packed;
192
193
194/* ATA transfer modes */
195#define ATA_MODE_MASK           0x0f
196#define ATA_DMA_MASK            0xf0
197#define ATA_PIO                 0x00
198#define ATA_PIO0                0x08
199#define ATA_PIO1                0x09
200#define ATA_PIO2                0x0a
201#define ATA_PIO3                0x0b
202#define ATA_PIO4                0x0c
203#define ATA_PIO_MAX             0x0f
204#define ATA_DMA                 0x10
205#define ATA_WDMA0               0x20
206#define ATA_WDMA1               0x21
207#define ATA_WDMA2               0x22
208#define ATA_UDMA0               0x40
209#define ATA_UDMA1               0x41
210#define ATA_UDMA2               0x42
211#define ATA_UDMA3               0x43
212#define ATA_UDMA4               0x44
213#define ATA_UDMA5               0x45
214#define ATA_UDMA6               0x46
215#define ATA_SA150               0x47
216#define ATA_SA300               0x48
217#define ATA_DMA_MAX             0x4f
218#define ATA_USB			0x80
219#define ATA_USB1		0x81
220#define ATA_USB2		0x82
221
222
223/* ATA commands */
224#define ATA_NOP                         0x00    /* NOP */
225#define         ATA_NF_FLUSHQUEUE       0x00    /* flush queued cmd's */
226#define         ATA_NF_AUTOPOLL         0x01    /* start autopoll function */
227#define ATA_DEVICE_RESET                0x08    /* reset device */
228#define ATA_READ                        0x20    /* read */
229#define ATA_READ48                      0x24    /* read 48bit LBA */
230#define ATA_READ_DMA48                  0x25    /* read DMA 48bit LBA */
231#define ATA_READ_DMA_QUEUED48           0x26    /* read DMA QUEUED 48bit LBA */
232#define ATA_READ_NATIVE_MAX_ADDDRESS48  0x27    /* read native max addr 48bit */
233#define ATA_READ_MUL48                  0x29    /* read multi 48bit LBA */
234#define ATA_WRITE                       0x30    /* write */
235#define ATA_WRITE48                     0x34    /* write 48bit LBA */
236#define ATA_WRITE_DMA48                 0x35    /* write DMA 48bit LBA */
237#define ATA_WRITE_DMA_QUEUED48          0x36    /* write DMA QUEUED 48bit LBA*/
238#define ATA_SET_MAX_ADDRESS48           0x37    /* set max address 48bit */
239#define ATA_WRITE_MUL48                 0x39    /* write multi 48bit LBA */
240#define ATA_READ_FPDMA_QUEUED           0x60    /* read DMA NCQ */
241#define ATA_WRITE_FPDMA_QUEUED          0x61    /* write DMA NCQ */
242#define ATA_SEEK                        0x70    /* seek */
243#define ATA_PACKET_CMD                  0xa0    /* packet command */
244#define ATA_ATAPI_IDENTIFY              0xa1    /* get ATAPI params*/
245#define ATA_SERVICE                     0xa2    /* service command */
246#define ATA_CFA_ERASE                   0xc0    /* CFA erase */
247#define ATA_READ_MUL                    0xc4    /* read multi */
248#define ATA_WRITE_MUL                   0xc5    /* write multi */
249#define ATA_SET_MULTI                   0xc6    /* set multi size */
250#define ATA_READ_DMA_QUEUED             0xc7    /* read DMA QUEUED */
251#define ATA_READ_DMA                    0xc8    /* read DMA */
252#define ATA_WRITE_DMA                   0xca    /* write DMA */
253#define ATA_WRITE_DMA_QUEUED            0xcc    /* write DMA QUEUED */
254#define ATA_STANDBY_IMMEDIATE           0xe0    /* standby immediate */
255#define ATA_IDLE_IMMEDIATE              0xe1    /* idle immediate */
256#define ATA_STANDBY_CMD                 0xe2    /* standby */
257#define ATA_IDLE_CMD                    0xe3    /* idle */
258#define ATA_READ_BUFFER                 0xe4    /* read buffer */
259#define ATA_SLEEP                       0xe6    /* sleep */
260#define ATA_FLUSHCACHE                  0xe7    /* flush cache to disk */
261#define ATA_FLUSHCACHE48                0xea    /* flush cache to disk */
262#define ATA_ATA_IDENTIFY                0xec    /* get ATA params */
263#define ATA_SETFEATURES                 0xef    /* features command */
264#define         ATA_SF_SETXFER          0x03    /* set transfer mode */
265#define         ATA_SF_ENAB_WCACHE      0x02    /* enable write cache */
266#define         ATA_SF_DIS_WCACHE       0x82    /* disable write cache */
267#define         ATA_SF_ENAB_RCACHE      0xaa    /* enable readahead cache */
268#define         ATA_SF_DIS_RCACHE       0x55    /* disable readahead cache */
269#define         ATA_SF_ENAB_RELIRQ      0x5d    /* enable release interrupt */
270#define         ATA_SF_DIS_RELIRQ       0xdd    /* disable release interrupt */
271#define         ATA_SF_ENAB_SRVIRQ      0x5e    /* enable service interrupt */
272#define         ATA_SF_DIS_SRVIRQ       0xde    /* disable service interrupt */
273#define ATA_SECURITY_FREEE_LOCK         0xf5    /* freeze security config */
274#define ATA_READ_NATIVE_MAX_ADDDRESS    0xf8    /* read native max address */
275#define ATA_SET_MAX_ADDRESS             0xf9    /* set max address */
276
277
278/* ATAPI commands */
279#define ATAPI_TEST_UNIT_READY           0x00    /* check if device is ready */
280#define ATAPI_REZERO                    0x01    /* rewind */
281#define ATAPI_REQUEST_SENSE             0x03    /* get sense data */
282#define ATAPI_FORMAT                    0x04    /* format unit */
283#define ATAPI_READ                      0x08    /* read data */
284#define ATAPI_WRITE                     0x0a    /* write data */
285#define ATAPI_WEOF                      0x10    /* write filemark */
286#define         ATAPI_WF_WRITE          0x01
287#define ATAPI_SPACE                     0x11    /* space command */
288#define         ATAPI_SP_FM             0x01
289#define         ATAPI_SP_EOD            0x03
290#define ATAPI_INQUIRY			0x12	/* get inquiry data */
291#define ATAPI_MODE_SELECT               0x15    /* mode select */
292#define ATAPI_ERASE                     0x19    /* erase */
293#define ATAPI_MODE_SENSE                0x1a    /* mode sense */
294#define ATAPI_START_STOP                0x1b    /* start/stop unit */
295#define         ATAPI_SS_LOAD           0x01
296#define         ATAPI_SS_RETENSION      0x02
297#define         ATAPI_SS_EJECT          0x04
298#define ATAPI_PREVENT_ALLOW             0x1e    /* media removal */
299#define ATAPI_READ_FORMAT_CAPACITIES    0x23    /* get format capacities */
300#define ATAPI_READ_CAPACITY             0x25    /* get volume capacity */
301#define ATAPI_READ_BIG                  0x28    /* read data */
302#define ATAPI_WRITE_BIG                 0x2a    /* write data */
303#define ATAPI_LOCATE                    0x2b    /* locate to position */
304#define ATAPI_READ_POSITION             0x34    /* read position */
305#define ATAPI_SYNCHRONIZE_CACHE         0x35    /* flush buf, close channel */
306#define ATAPI_WRITE_BUFFER              0x3b    /* write device buffer */
307#define ATAPI_READ_BUFFER               0x3c    /* read device buffer */
308#define ATAPI_READ_SUBCHANNEL           0x42    /* get subchannel info */
309#define ATAPI_READ_TOC                  0x43    /* get table of contents */
310#define ATAPI_PLAY_10                   0x45    /* play by lba */
311#define ATAPI_PLAY_MSF                  0x47    /* play by MSF address */
312#define ATAPI_PLAY_TRACK                0x48    /* play by track number */
313#define ATAPI_PAUSE                     0x4b    /* pause audio operation */
314#define ATAPI_READ_DISK_INFO            0x51    /* get disk info structure */
315#define ATAPI_READ_TRACK_INFO           0x52    /* get track info structure */
316#define ATAPI_RESERVE_TRACK             0x53    /* reserve track */
317#define ATAPI_SEND_OPC_INFO             0x54    /* send OPC structurek */
318#define ATAPI_MODE_SELECT_BIG           0x55    /* set device parameters */
319#define ATAPI_REPAIR_TRACK              0x58    /* repair track */
320#define ATAPI_READ_MASTER_CUE           0x59    /* read master CUE info */
321#define ATAPI_MODE_SENSE_BIG            0x5a    /* get device parameters */
322#define ATAPI_CLOSE_TRACK               0x5b    /* close track/session */
323#define ATAPI_READ_BUFFER_CAPACITY      0x5c    /* get buffer capicity */
324#define ATAPI_SEND_CUE_SHEET            0x5d    /* send CUE sheet */
325#define ATAPI_SERVICE_ACTION_IN         0x96	/* get service data */
326#define ATAPI_BLANK                     0xa1    /* blank the media */
327#define ATAPI_SEND_KEY                  0xa3    /* send DVD key structure */
328#define ATAPI_REPORT_KEY                0xa4    /* get DVD key structure */
329#define ATAPI_PLAY_12                   0xa5    /* play by lba */
330#define ATAPI_LOAD_UNLOAD               0xa6    /* changer control command */
331#define ATAPI_READ_STRUCTURE            0xad    /* get DVD structure */
332#define ATAPI_PLAY_CD                   0xb4    /* universal play command */
333#define ATAPI_SET_SPEED                 0xbb    /* set drive speed */
334#define ATAPI_MECH_STATUS               0xbd    /* get changer status */
335#define ATAPI_READ_CD                   0xbe    /* read data */
336#define ATAPI_POLL_DSC                  0xff    /* poll DSC status bit */
337
338
339struct ata_ioc_devices {
340    int                 channel;
341    char                name[2][32];
342    struct ata_params   params[2];
343};
344
345/* pr channel ATA ioctl calls */
346#define IOCATAGMAXCHANNEL       _IOR('a',  1, int)
347#define IOCATAREINIT            _IOW('a',  2, int)
348#define IOCATAATTACH            _IOW('a',  3, int)
349#define IOCATADETACH            _IOW('a',  4, int)
350#define IOCATADEVICES           _IOWR('a',  5, struct ata_ioc_devices)
351
352/* ATAPI request sense structure */
353struct atapi_sense {
354    u_int8_t	error;				/* current or deferred errors */
355#define	ATA_SENSE_VALID			0x80
356
357    u_int8_t	segment;			/* segment number */
358    u_int8_t	key;				/* sense key */
359#define ATA_SENSE_KEY_MASK		0x0f    /* sense key mask */
360#define ATA_SENSE_NO_SENSE		0x00    /* no specific sense key info */
361#define ATA_SENSE_RECOVERED_ERROR 	0x01    /* command OK, data recovered */
362#define ATA_SENSE_NOT_READY		0x02    /* no access to drive */
363#define ATA_SENSE_MEDIUM_ERROR		0x03    /* non-recovered data error */
364#define ATA_SENSE_HARDWARE_ERROR	0x04    /* non-recoverable HW failure */
365#define ATA_SENSE_ILLEGAL_REQUEST	0x05    /* invalid command param(s) */
366#define ATA_SENSE_UNIT_ATTENTION	0x06    /* media changed */
367#define ATA_SENSE_DATA_PROTECT		0x07    /* write protect */
368#define ATA_SENSE_BLANK_CHECK		0x08    /* blank check */
369#define ATA_SENSE_VENDOR_SPECIFIC	0x09    /* vendor specific skey */
370#define ATA_SENSE_COPY_ABORTED		0x0a    /* copy aborted */
371#define ATA_SENSE_ABORTED_COMMAND	0x0b    /* command aborted, try again */
372#define ATA_SENSE_EQUAL			0x0c    /* equal */
373#define ATA_SENSE_VOLUME_OVERFLOW	0x0d    /* volume overflow */
374#define ATA_SENSE_MISCOMPARE		0x0e    /* data dont match the medium */
375#define ATA_SENSE_RESERVED		0x0f
376#define	ATA_SENSE_ILI			0x20;
377#define	ATA_SENSE_EOM			0x40;
378#define	ATA_SENSE_FILEMARK		0x80;
379
380    u_int32_t   cmd_info;		/* cmd information */
381    u_int8_t	sense_length;		/* additional sense len (n-7) */
382    u_int32_t   cmd_specific_info;	/* additional cmd spec info */
383    u_int8_t    asc;			/* additional sense code */
384    u_int8_t    ascq;			/* additional sense code qual */
385    u_int8_t    replaceable_unit_code;	/* replaceable unit code */
386    u_int8_t	specific;		/* sense key specific */
387#define	ATA_SENSE_SPEC_VALID	0x80
388#define	ATA_SENSE_SPEC_MASK	0x7f
389
390    u_int8_t	specific1;		/* sense key specific */
391    u_int8_t	specific2;		/* sense key specific */
392} __packed;
393
394struct ata_ioc_request {
395    union {
396	struct {
397	    u_int8_t            command;
398	    u_int8_t            feature;
399	    u_int64_t           lba;
400	    u_int16_t           count;
401	} ata;
402	struct {
403	    char                ccb[16];
404	    struct atapi_sense	sense;
405	} atapi;
406    } u;
407    caddr_t             data;
408    int                 count;
409    int                 flags;
410#define ATA_CMD_CONTROL                 0x01
411#define ATA_CMD_READ                    0x02
412#define ATA_CMD_WRITE                   0x04
413#define ATA_CMD_ATAPI                   0x08
414
415    int                 timeout;
416    int                 error;
417};
418
419/* pr device ATA ioctl calls */
420#define IOCATAREQUEST           _IOWR('a', 100, struct ata_ioc_request)
421#define IOCATAGPARM             _IOR('a', 101, struct ata_params)
422#define IOCATAGMODE             _IOR('a', 102, int)
423#define IOCATASMODE             _IOW('a', 103, int)
424
425
426struct ata_ioc_raid_config {
427	    int                 lun;
428	    int                 type;
429#define AR_JBOD                         0x0001
430#define AR_SPAN                         0x0002
431#define AR_RAID0                        0x0004
432#define AR_RAID1                        0x0008
433#define AR_RAID01                       0x0010
434#define AR_RAID3                        0x0020
435#define AR_RAID4                        0x0040
436#define AR_RAID5                        0x0080
437
438	    int                 interleave;
439	    int                 status;
440#define AR_READY                        1
441#define AR_DEGRADED                     2
442#define AR_REBUILDING                   4
443
444	    int                 progress;
445	    int                 total_disks;
446	    int                 disks[16];
447};
448
449/* ATA RAID ioctl calls */
450#define IOCATARAIDCREATE        _IOWR('a', 200, struct ata_ioc_raid_config)
451#define IOCATARAIDDELETE        _IOW('a', 201, int)
452#define IOCATARAIDSTATUS        _IOWR('a', 202, struct ata_ioc_raid_config)
453#define IOCATARAIDADDSPARE      _IOW('a', 203, struct ata_ioc_raid_config)
454#define IOCATARAIDREBUILD       _IOW('a', 204, int)
455
456#endif /* _SYS_ATA_H_ */
457