/*- * 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. */ #include <sys/ioccom.h> #define L 'F' /* ID letter of our ioctls */ #ifdef VINUMDEBUG #define MAX_IOCTL_REPLY 1024 #else #define MAX_IOCTL_REPLY 256 #endif #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. * Size of buffer, including continuations */ #define BUFSIZE 1024 /* configure vinum */ #define VINUM_CREATE _IOC(IOC_IN | IOC_OUT, L, 64, BUFSIZE) /* get global config */ #define VINUM_GETCONFIG _IOR(L, 65, struct _vinum_conf) /* get drive config */ #define VINUM_DRIVECONFIG _IOWR(L, 66, struct drive) /* get subdisk config */ #define VINUM_SDCONFIG _IOWR(L, 67, struct sd) /* get plex config */ #define VINUM_PLEXCONFIG _IOWR(L, 68, struct plex) /* get volume config */ #define VINUM_VOLCONFIG _IOWR(L, 69, struct volume) /* get sd config for plex (plex, sdno) */ #define VINUM_PLEXSDCONFIG _IOWR(L, 70, struct sd) /* get freelist element (drive, fe) */ #define VINUM_GETFREELIST _IOWR(L, 71, struct drive_freelist) /* write config to disk */ #define VINUM_SAVECONFIG _IOW(L, 72, int) /* trash config on disk */ #define VINUM_RESETCONFIG _IOC(0, L, 73, 0) /* read config from disk */ #define VINUM_INIT _IOC(0, L, 74, 0) #ifdef VINUMDEBUG /* call the debugger from ioctl () */ #define VINUM_DEBUG _IOWR(L, 75, struct debuginfo) #endif /* * Start an object. Pass two integers: * msg [0] index in vinum_conf.<object> * msg [1] type of object (see below) * * Return ioctl_reply */ /* start an object */ #define VINUM_SETSTATE _IOC(IOC_IN | IOC_OUT, L, 76, MAX_IOCTL_REPLY) /* release locks and write config to disk */ #define VINUM_RELEASECONFIG _IOC(0, L, 77, 0) /* start a configuration operation */ #define VINUM_STARTCONFIG _IOW(L, 78, int) /* get memory usage summary */ #define VINUM_MEMINFO _IOR(L, 79, struct meminfo) /* get specific malloc information [i] */ #define VINUM_MALLOCINFO _IOWR(L, 80, struct mc) /* label a volume */ #define VINUM_LABEL _IOC(IOC_IN | IOC_OUT, L, 81, MAX_IOCTL_REPLY) /* initialize a subdisk */ #define VINUM_INITSD _IOW(L, 82, int) /* remove an object */ #define VINUM_REMOVE _IOWR(L, 83, struct _ioctl_reply) /* set read policy */ #define VINUM_READPOL _IOWR(L, 84, struct _ioctl_reply) /* diddle object state */ #define VINUM_SETSTATE_FORCE _IOC(IOC_IN | IOC_OUT, L, 85, MAX_IOCTL_REPLY) /* reset object stats */ #define VINUM_RESETSTATS _IOWR(L, 86, struct _ioctl_reply) /* attach an object */ #define VINUM_ATTACH _IOWR(L, 87, struct _ioctl_reply) /* remove an object */ #define VINUM_DETACH _IOWR(L, 88, struct _ioctl_reply) /* rename an object */ #define VINUM_RENAME _IOWR(L, 89, struct _ioctl_reply) /* replace an object */ #define VINUM_REPLACE _IOWR(L, 90, struct _ioctl_reply) #ifdef VINUMDEBUG /* get request info [i] from trace buffer */ #define VINUM_RQINFO _IOWR(L, 91, struct rqinfo) #endif /* perform the kernel part of Vinum daemon */ #define VINUM_DAEMON _IOC(0, L, 92, 0) /* check for presence of Vinum daemon */ #define VINUM_FINDDAEMON _IOC(0, L, 93, 0) /* set daemon flags */ #define VINUM_SETDAEMON _IOW(L, 94, int) /* get daemon flags */ #define VINUM_GETDAEMON _IOR(L, 95, int) /* check/rebuild RAID-4/5 parity */ #define VINUM_PARITYOP _IOWR(L, 96, struct _ioctl_reply) /* move an object */ #define VINUM_MOVE _IOWR(L, 98, struct _ioctl_reply)
