155 lines
6.6 KiB
C
155 lines
6.6 KiB
C
/*-
|
|
* Copyright (c) 1997, 1998
|
|
* Nan Yang Computer Services Limited. All rights reserved.
|
|
*
|
|
* This software is distributed under the so-called ``Berkeley
|
|
* License'':
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Nan Yang Computer
|
|
* Services Limited.
|
|
* 4. Neither the name of the Company nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* This software is provided ``as is'', and any express or implied
|
|
* warranties, including, but not limited to, the implied warranties of
|
|
* merchantability and fitness for a particular purpose are disclaimed.
|
|
* In no event shall the company or contributors be liable for any
|
|
* direct, indirect, incidental, special, exemplary, or consequential
|
|
* damages (including, but not limited to, procurement of substitute
|
|
* goods or services; loss of use, data, or profits; or business
|
|
* interruption) however caused and on any theory of liability, whether
|
|
* in contract, strict liability, or tort (including negligence or
|
|
* otherwise) arising in any way out of the use of this software, even if
|
|
* advised of the possibility of such damage.
|
|
*
|
|
* $Id: vinumio.h,v 1.21 2001/05/22 07:29:23 grog Exp grog $
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#define L 'F' /* ID letter of our ioctls */
|
|
|
|
#define MAX_IOCTL_REPLY 1024
|
|
|
|
#ifdef VINUMDEBUG
|
|
struct debuginfo {
|
|
int changeit;
|
|
int param;
|
|
};
|
|
|
|
#endif
|
|
|
|
enum objecttype {
|
|
drive_object,
|
|
sd_object,
|
|
plex_object,
|
|
volume_object,
|
|
invalid_object
|
|
};
|
|
|
|
/*
|
|
* The state to set with VINUM_SETSTATE. Since each object has a
|
|
* different set of states, we need to translate later.
|
|
*/
|
|
enum objectstate {
|
|
object_down,
|
|
object_initializing,
|
|
object_initialized,
|
|
object_up
|
|
};
|
|
|
|
/*
|
|
* This structure is used for modifying objects
|
|
* (VINUM_SETSTATE, VINUM_REMOVE, VINUM_RESETSTATS, VINUM_ATTACH,
|
|
* VINUM_DETACH, VINUM_REPLACE
|
|
*/
|
|
struct vinum_ioctl_msg {
|
|
int index;
|
|
enum objecttype type;
|
|
enum objectstate state; /* state to set (VINUM_SETSTATE) */
|
|
enum parityop op; /* for parity ops */
|
|
int force; /* do it even if it doesn't make sense */
|
|
int recurse; /* recurse (VINUM_REMOVE) */
|
|
int verify; /* verify (initsd, rebuildparity) */
|
|
int otherobject; /* superordinate object (attach),
|
|
* replacement object (replace) */
|
|
int rename; /* rename object (attach) */
|
|
int64_t offset; /* offset of subdisk (for attach) */
|
|
int blocksize; /* size of block to revive (bytes) */
|
|
};
|
|
|
|
/* VINUM_CREATE returns a buffer of this kind */
|
|
struct _ioctl_reply {
|
|
int error;
|
|
char msg[MAX_IOCTL_REPLY];
|
|
};
|
|
|
|
struct vinum_rename_msg {
|
|
int index;
|
|
int recurse; /* rename subordinate objects too */
|
|
enum objecttype type;
|
|
char newname[MAXNAME]; /* new name to give to object */
|
|
};
|
|
|
|
/* ioctl requests */
|
|
#define BUFSIZE 1024 /* size of buffer, including continuations */
|
|
#define VINUM_CREATE _IOC(IOC_IN | IOC_OUT, L, 64, BUFSIZE) /* configure vinum */
|
|
#define VINUM_GETCONFIG _IOR(L, 65, struct __vinum_conf) /* get global config */
|
|
#define VINUM_DRIVECONFIG _IOWR(L, 66, struct _drive) /* get drive config */
|
|
#define VINUM_SDCONFIG _IOWR(L, 67, struct _sd) /* get subdisk config */
|
|
#define VINUM_PLEXCONFIG _IOWR(L, 68, struct _plex) /* get plex config */
|
|
#define VINUM_VOLCONFIG _IOWR(L, 69, struct _volume) /* get volume config */
|
|
#define VINUM_PLEXSDCONFIG _IOWR(L, 70, struct _sd) /* get sd config for plex (plex, sdno) */
|
|
#define VINUM_GETFREELIST _IOWR(L, 71, struct drive_freelist) /* get freelist element (drive, fe) */
|
|
#define VINUM_SAVECONFIG _IOW(L, 72, int) /* write config to disk */
|
|
#define VINUM_RESETCONFIG _IOC(0, L, 73, 0) /* trash config on disk */
|
|
#define VINUM_INIT _IOC(0, L, 74, 0) /* read config from disk */
|
|
#ifdef VINUMDEBUG
|
|
#define VINUM_DEBUG _IOWR(L, 75, struct debuginfo) /* call the debugger from ioctl () */
|
|
#endif
|
|
|
|
/*
|
|
* Start an object. Pass two integers:
|
|
* msg [0] index in vinum_conf.<object>
|
|
* msg [1] type of object (see below)
|
|
*
|
|
* Return ioctl_reply
|
|
*/
|
|
#define VINUM_SETSTATE _IOC(IOC_IN | IOC_OUT, L, 76, MAX_IOCTL_REPLY) /* start an object */
|
|
#define VINUM_RELEASECONFIG _IOC(0, L, 77, 0) /* release locks and write config to disk */
|
|
#define VINUM_STARTCONFIG _IOW(L, 78, int) /* start a configuration operation */
|
|
#define VINUM_MEMINFO _IOR(L, 79, struct meminfo) /* get memory usage summary */
|
|
#define VINUM_MALLOCINFO _IOWR(L, 80, struct mc) /* get specific malloc information [i] */
|
|
#define VINUM_LABEL _IOC(IOC_IN | IOC_OUT, L, 81, MAX_IOCTL_REPLY) /* label a volume */
|
|
#define VINUM_INITSD _IOW(L, 82, int) /* initialize a subdisk */
|
|
#define VINUM_REMOVE _IOWR(L, 83, struct _ioctl_reply) /* remove an object */
|
|
#define VINUM_READPOL _IOWR(L, 84, struct _ioctl_reply) /* set read policy */
|
|
#define VINUM_SETSTATE_FORCE _IOC(IOC_IN | IOC_OUT, L, 85, MAX_IOCTL_REPLY) /* diddle object state */
|
|
#define VINUM_RESETSTATS _IOWR(L, 86, struct _ioctl_reply) /* reset object stats */
|
|
#define VINUM_ATTACH _IOWR(L, 87, struct _ioctl_reply) /* attach an object */
|
|
#define VINUM_DETACH _IOWR(L, 88, struct _ioctl_reply) /* remove an object */
|
|
|
|
#define VINUM_RENAME _IOWR(L, 89, struct _ioctl_reply) /* rename an object */
|
|
#define VINUM_REPLACE _IOWR(L, 90, struct _ioctl_reply) /* replace an object */
|
|
|
|
#ifdef VINUMDEBUG
|
|
#define VINUM_RQINFO _IOWR(L, 91, struct rqinfo) /* get request info [i] from trace buffer */
|
|
#endif
|
|
|
|
#define VINUM_DAEMON _IOC(0, L, 92, 0) /* perform the kernel part of Vinum daemon */
|
|
#define VINUM_FINDDAEMON _IOC(0, L, 93, 0) /* check for presence of Vinum daemon */
|
|
#define VINUM_SETDAEMON _IOW(L, 94, int) /* set daemon flags */
|
|
#define VINUM_GETDAEMON _IOR(L, 95, int) /* get daemon flags */
|
|
#define VINUM_PARITYOP _IOWR(L, 96, struct _ioctl_reply) /* check/rebuild RAID-4/5 parity */
|
|
#define VINUM_MOVE _IOWR(L, 98, struct _ioctl_reply) /* move an object */
|