xref: /openbsd/sys/dev/biovar.h (revision 8cf7f024)
1 /*	$OpenBSD: biovar.h,v 1.46 2020/06/07 16:51:43 kn Exp $	*/
2 
3 /*
4  * Copyright (c) 2002 Niklas Hallqvist.  All rights reserved.
5  * Copyright (c) 2005 Marco Peereboom.  All rights reserved.
6  * Copyright (c) 2012 Joel Sing <jsing@openbsd.org>.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _SYS_DEV_BIOVAR_H_
30 #define _SYS_DEV_BIOVAR_H_
31 
32 /*
33  * Devices getting ioctls through this interface should use ioctl class 'B'
34  * and command numbers starting from 32, lower ones are reserved for generic
35  * ioctls. All ioctl data must be structures which start with a struct bio.
36  */
37 
38 #include <sys/types.h>
39 
40 #define	BIO_MSG_COUNT	5
41 #define	BIO_MSG_LEN	128
42 
43 struct bio_msg {
44 	int		bm_type;
45 #define	BIO_MSG_INFO	1
46 #define	BIO_MSG_WARN	2
47 #define	BIO_MSG_ERROR	3
48 	char		bm_msg[BIO_MSG_LEN];
49 };
50 
51 struct bio_status {
52 	char		bs_controller[16];
53 	int		bs_status;
54 #define	BIO_STATUS_UNKNOWN	0
55 #define	BIO_STATUS_SUCCESS	1
56 #define	BIO_STATUS_ERROR	2
57 	int		bs_msg_count;
58 	struct bio_msg	bs_msgs[BIO_MSG_COUNT];
59 };
60 
61 struct bio {
62 	void			*bio_cookie;
63 	struct bio_status	bio_status;
64 };
65 
66 /* convert name to a cookie */
67 #define BIOCLOCATE _IOWR('B', 0, struct bio_locate)
68 struct bio_locate {
69 	struct bio	bl_bio;
70 	char		*bl_name;
71 };
72 
73 #define BIOCINQ _IOWR('B', 32, struct bioc_inq)
74 struct bioc_inq {
75 	struct bio	bi_bio;
76 
77 	char		bi_dev[16];	/* controller device */
78 	int		bi_novol;	/* nr of volumes */
79 	int		bi_nodisk;	/* nr of total disks */
80 };
81 
82 #define BIOCDISK _IOWR('B', 33, struct bioc_disk)
83 /* structure that represents a disk in a RAID volume */
84 struct bioc_disk {
85 	struct bio	bd_bio;
86 
87 	u_int16_t	bd_channel;
88 	u_int16_t	bd_target;
89 	u_int16_t	bd_lun;
90 	u_int16_t	bd_other_id;	/* unused for now  */
91 
92 	int		bd_volid;	/* associate with volume */
93 	int		bd_diskid;	/* virtual disk */
94 	int		bd_status;	/* current status */
95 #define BIOC_SDONLINE		0x00
96 #define BIOC_SDONLINE_S		"Online"
97 #define BIOC_SDOFFLINE		0x01
98 #define BIOC_SDOFFLINE_S	"Offline"
99 #define BIOC_SDFAILED		0x02
100 #define BIOC_SDFAILED_S		"Failed"
101 #define BIOC_SDREBUILD		0x03
102 #define BIOC_SDREBUILD_S	"Rebuild"
103 #define BIOC_SDHOTSPARE		0x04
104 #define BIOC_SDHOTSPARE_S	"Hot spare"
105 #define BIOC_SDUNUSED		0x05
106 #define BIOC_SDUNUSED_S		"Unused"
107 #define BIOC_SDSCRUB		0x06
108 #define BIOC_SDSCRUB_S		"Scrubbing"
109 #define BIOC_SDINVALID		0xff
110 #define BIOC_SDINVALID_S	"Invalid"
111 	uint64_t	bd_size;	/* size of the disk */
112 
113 	char		bd_vendor[32];	/* scsi string */
114 	char		bd_serial[32];	/* serial number */
115 	char		bd_procdev[16];	/* processor device */
116 
117 	struct {
118 		int		bdp_percent;
119 		int		bdp_seconds;
120 	}		bd_patrol;
121 };
122 
123 #define BIOCVOL _IOWR('B', 34, struct bioc_vol)
124 /* structure that represents a RAID volume */
125 struct bioc_vol {
126 	struct bio	bv_bio;
127 	int		bv_volid;	/* volume id */
128 
129 	int16_t		bv_percent;	/* percent done operation */
130 	u_int16_t	bv_seconds;	/* seconds of progress so far */
131 
132 	int		bv_status;	/* current status */
133 #define BIOC_SVONLINE		0x00
134 #define BIOC_SVONLINE_S		"Online"
135 #define BIOC_SVOFFLINE		0x01
136 #define BIOC_SVOFFLINE_S	"Offline"
137 #define BIOC_SVDEGRADED		0x02
138 #define BIOC_SVDEGRADED_S	"Degraded"
139 #define BIOC_SVBUILDING		0x03
140 #define BIOC_SVBUILDING_S	"Building"
141 #define BIOC_SVSCRUB		0x04
142 #define BIOC_SVSCRUB_S		"Scrubbing"
143 #define BIOC_SVREBUILD		0x05
144 #define BIOC_SVREBUILD_S	"Rebuild"
145 #define BIOC_SVINVALID		0xff
146 #define BIOC_SVINVALID_S	"Invalid"
147 	uint64_t	bv_size;	/* size of the disk */
148 	int		bv_level;	/* raid level */
149 	int		bv_nodisk;	/* nr of drives */
150 	int		bv_cache;	/* cache mode */
151 #define BIOC_CVUNKNOWN		0x00
152 #define BIOC_CVUNKNOWN_S	""
153 #define BIOC_CVWRITEBACK	0x01
154 #define BIOC_CVWRITEBACK_S	"WB"
155 #define BIOC_CVWRITETHROUGH	0x02
156 #define BIOC_CVWRITETHROUGH_S	"WT"
157 
158 	char		bv_dev[16];	/* device */
159 	char		bv_vendor[32];	/* scsi string */
160 };
161 
162 #define BIOCALARM _IOWR('B', 35, struct bioc_alarm)
163 struct bioc_alarm {
164 	struct bio	ba_bio;
165 	int		ba_opcode;
166 
167 	int		ba_status;	/* only used with get state */
168 #define BIOC_SADISABLE		0x00	/* disable alarm */
169 #define BIOC_SAENABLE		0x01	/* enable alarm */
170 #define BIOC_SASILENCE		0x02	/* silence alarm */
171 #define BIOC_GASTATUS		0x03	/* get status */
172 #define BIOC_SATEST		0x04	/* test alarm */
173 };
174 
175 #define BIOCBLINK _IOWR('B', 36, struct bioc_blink)
176 struct bioc_blink {
177 	struct bio	bb_bio;
178 	u_int16_t	bb_channel;
179 	u_int16_t	bb_target;
180 
181 	int		bb_status;	/* current status */
182 #define BIOC_SBUNBLINK		0x00	/* disable blinking */
183 #define BIOC_SBBLINK		0x01	/* enable blink */
184 #define BIOC_SBALARM		0x02	/* enable alarm blink */
185 };
186 
187 #define BIOCSETSTATE _IOWR('B', 37, struct bioc_setstate)
188 struct bioc_setstate {
189 	struct bio	bs_bio;
190 	u_int16_t	bs_channel;
191 	u_int16_t	bs_target;
192 	u_int16_t	bs_lun;
193 	u_int16_t	bs_other_id_type; /* use other_id instead of ctl */
194 #define BIOC_SSOTHER_UNUSED	0x00
195 #define BIOC_SSOTHER_DEVT	0x01
196 	int		bs_other_id;	/* cram dev_t or other id in here */
197 
198 	int		bs_status;	/* change to this status */
199 #define BIOC_SSONLINE		0x00	/* online disk */
200 #define BIOC_SSOFFLINE		0x01	/* offline disk */
201 #define BIOC_SSHOTSPARE		0x02	/* mark as hotspare */
202 #define BIOC_SSREBUILD		0x03	/* rebuild on this disk */
203 	int		bs_volid;	/* volume id for rebuild */
204 };
205 
206 #define BIOCCREATERAID _IOWR('B', 38, struct bioc_createraid)
207 struct bioc_createraid {
208 	struct bio	bc_bio;
209 	void		*bc_dev_list;
210 	u_int16_t	bc_dev_list_len;
211 	int32_t		bc_key_disk;
212 #define BIOC_CRMAXLEN		1024
213 	u_int16_t	bc_level;
214 	u_int32_t	bc_flags;
215 #define BIOC_SCFORCE		0x01	/* do not assemble, force create */
216 #define BIOC_SCDEVT		0x02	/* dev_t array or string in dev_list */
217 #define BIOC_SCNOAUTOASSEMBLE	0x04	/* do not assemble during autoconf */
218 #define BIOC_SCBOOTABLE		0x08	/* device is bootable */
219 	u_int32_t	bc_opaque_size;
220 	u_int32_t	bc_opaque_flags;
221 #define	BIOC_SOINVALID		0x00	/* no opaque pointer */
222 #define	BIOC_SOIN		0x01	/* kernel perspective direction */
223 #define BIOC_SOOUT		0x02	/* kernel perspective direction */
224 	u_int32_t	bc_opaque_status;
225 #define	BIOC_SOINOUT_FAILED	0x00	/* operation failed */
226 #define	BIOC_SOINOUT_OK		0x01	/* operation succeeded */
227 	void		*bc_opaque;
228 };
229 
230 #define BIOCDELETERAID _IOWR('B', 39, struct bioc_deleteraid)
231 struct bioc_deleteraid {
232 	struct bio	bd_bio;
233 	u_int32_t	bd_flags;
234 #define BIOC_SDCLEARMETA	0x01	/* clear metadata region */
235 	char		bd_dev[16];	/* device */
236 };
237 
238 #define BIOCDISCIPLINE _IOWR('B', 40, struct bioc_discipline)
239 struct bioc_discipline {
240 	struct bio	bd_bio;
241 	char		bd_dev[16];
242 	u_int32_t	bd_cmd;
243 	u_int32_t	bd_size;
244 	void		*bd_data;
245 };
246 
247 #define BIOCINSTALLBOOT _IOWR('B', 41, struct bioc_installboot)
248 struct bioc_installboot {
249 	struct bio	bb_bio;
250 	char		bb_dev[16];
251 	void		*bb_bootblk;
252 	void		*bb_bootldr;
253 	u_int32_t	bb_bootblk_size;
254 	u_int32_t	bb_bootldr_size;
255 };
256 
257 #define BIOCPATROL _IOWR('B', 42, struct bioc_patrol)
258 struct bioc_patrol {
259 	struct bio	bp_bio;
260 	int		bp_opcode;
261 #define BIOC_SPSTOP		0x00	/* stop patrol */
262 #define BIOC_SPSTART		0x01	/* start patrol */
263 #define BIOC_GPSTATUS		0x02	/* get status */
264 #define BIOC_SPDISABLE		0x03	/* disable patrol */
265 #define BIOC_SPAUTO		0x04	/* enable patrol as auto */
266 #define BIOC_SPMANUAL		0x05	/* enable patrol as manual */
267 
268 	int		bp_mode;
269 #define	BIOC_SPMAUTO		0x00
270 #define	BIOC_SPMMANUAL		0x01
271 #define BIOC_SPMDISABLED	0x02
272 	int		bp_status;	/* only used with get state */
273 #define	BIOC_SPSSTOPPED		0x00
274 #define	BIOC_SPSREADY		0x01
275 #define BIOC_SPSACTIVE		0x02
276 #define BIOC_SPSABORTED		0xff
277 
278 	int		bp_autoival;
279 	int		bp_autonext;
280 	int		bp_autonow;
281 };
282 
283 /* kernel and userspace defines */
284 #define BIOC_INQ		0x0001
285 #define BIOC_DISK		0x0002
286 #define BIOC_VOL		0x0004
287 #define BIOC_ALARM		0x0008
288 #define BIOC_BLINK		0x0010
289 #define BIOC_SETSTATE		0x0020
290 #define BIOC_CREATERAID		0x0040
291 #define BIOC_DELETERAID		0x0080
292 #define BIOC_DISCIPLINE		0x0100
293 #define BIOC_INSTALLBOOT	0x0200
294 #define BIOC_PATROL		0x0400
295 
296 /* user space defines */
297 #define BIOC_DEVLIST		0x10000
298 
299 #ifdef _KERNEL
300 int	bio_register(struct device *, int (*)(struct device *, u_long,
301 	    caddr_t));
302 void	bio_unregister(struct device *);
303 
304 void	bio_status_init(struct bio_status *, struct device *);
305 void	bio_status(struct bio_status *, int, int, const char *, va_list *);
306 
307 void	bio_info(struct bio_status *, int, const char *, ...);
308 void	bio_warn(struct bio_status *, int, const char *, ...);
309 void	bio_error(struct bio_status *, int, const char *, ...);
310 #endif
311 
312 #endif /* _SYS_DEV_BIOVAR_H_ */
313