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authorphk <phk@FreeBSD.org>2004-11-04 09:57:21 +0000
committerphk <phk@FreeBSD.org>2004-11-04 09:57:21 +0000
commit27e302a86b65c2d82a3601b7d1f56add77a4316b (patch)
tree624c21e78226c47c48f9ebeceb36ef79e0336468 /sys/dev/vinum/vinumioctl.c
parente5715b2cc150e2463e9765903b2ba151e4540913 (diff)
downloadFreeBSD-src-27e302a86b65c2d82a3601b7d1f56add77a4316b.zip
FreeBSD-src-27e302a86b65c2d82a3601b7d1f56add77a4316b.tar.gz
Remove unused vinum files.
Diffstat (limited to 'sys/dev/vinum/vinumioctl.c')
-rw-r--r--sys/dev/vinum/vinumioctl.c960
1 files changed, 0 insertions, 960 deletions
diff --git a/sys/dev/vinum/vinumioctl.c b/sys/dev/vinum/vinumioctl.c
deleted file mode 100644
index 235b125..0000000
--- a/sys/dev/vinum/vinumioctl.c
+++ /dev/null
@@ -1,960 +0,0 @@
-/*
- * XXX replace all the checks on object validity with
- * calls to valid<object>
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-/*-
- * Copyright (c) 1997, 1998, 1999
- * Nan Yang Computer Services Limited. All rights reserved.
- *
- * Parts copyright (c) 1997, 1998 Cybernet Corporation, NetMAX project.
- *
- * Written by Greg Lehey
- *
- * 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: vinumioctl.c,v 1.23 2003/05/23 01:02:22 grog Exp grog $
- */
-
-#include <dev/vinum/vinumhdr.h>
-#include <dev/vinum/request.h>
-
-#ifdef VINUMDEBUG
-#include <sys/reboot.h>
-#endif
-
-void attachobject(struct vinum_ioctl_msg *);
-void detachobject(struct vinum_ioctl_msg *);
-void renameobject(struct vinum_rename_msg *);
-void replaceobject(struct vinum_ioctl_msg *);
-void moveobject(struct vinum_ioctl_msg *);
-void setreadpol(struct vinum_ioctl_msg *);
-
-jmp_buf command_fail; /* return on a failed command */
-
-/* ioctl routine */
-int
-vinumioctl(struct cdev *dev,
- u_long cmd,
- caddr_t data,
- int flag,
- struct thread *td)
-{
- unsigned int objno;
- struct sd *sd;
- struct plex *plex;
- struct volume *vol;
-
- /* First, decide what we're looking at */
- if ((minor(dev) == VINUM_SUPERDEV_MINOR)
- || (minor(dev) == VINUM_DAEMON_MINOR))
- return vinum_super_ioctl(dev, cmd, data);
- else /* real device */
- switch (DEVTYPE(dev)) {
- case VINUM_SD_TYPE:
- case VINUM_SD2_TYPE: /* second half of sd namespace */
- objno = Sdno(dev);
-
- sd = &SD[objno];
-
- switch (cmd) {
- case DIOCGSECTORSIZE:
- *(u_int *) data = sd->sectorsize;
- return 0;
-
- case DIOCGMEDIASIZE:
- *(u_int64_t *) data = sd->sectors * sd->sectorsize;
- return 0;
-
- /*
- * We don't have this stuff on hardware,
- * so just pretend to do it so that
- * utilities don't get upset.
- */
- case DIOCWDINFO: /* write partition info */
- case DIOCSDINFO: /* set partition info */
- return 0; /* not a titty */
-
- default:
- return ENOTTY; /* not my kind of ioctl */
- }
-
- return 0; /* pretend we did it */
-
- case VINUM_PLEX_TYPE:
- objno = Plexno(dev);
-
- plex = &PLEX[objno];
-
- switch (cmd) {
- case DIOCGSECTORSIZE:
- *(u_int64_t *) data = plex->sectorsize;
- return 0;
-
- case DIOCGMEDIASIZE:
- *(u_int64_t *) data = plex->length * plex->sectorsize;
- return 0;
-
- /*
- * We don't have this stuff on hardware,
- * so just pretend to do it so that
- * utilities don't get upset.
- */
- case DIOCWDINFO: /* write partition info */
- case DIOCSDINFO: /* set partition info */
- return 0; /* not a titty */
-
- default:
- return ENOTTY; /* not my kind of ioctl */
- }
-
- return 0; /* pretend we did it */
-
- case VINUM_VOLUME_TYPE:
- objno = Volno(dev);
-
- if ((unsigned) objno >= (unsigned) vinum_conf.volumes_allocated) /* not a valid volume */
- return ENXIO;
- vol = &VOL[objno];
- if (vol->state != volume_up) /* not up, */
- return EIO; /* I/O error */
-
- switch (cmd) {
- case DIOCGSECTORSIZE:
- *(u_int *) data = vol->sectorsize;
- return 0;
-
- case DIOCGMEDIASIZE:
- *(u_int64_t *) data = vol->size * vol->sectorsize;
- return 0;
-
- /*
- * We don't have this stuff on hardware,
- * so just pretend to do it so that
- * utilities don't get upset.
- */
- case DIOCWDINFO: /* write partition info */
- case DIOCSDINFO: /* set partition info */
- return 0; /* not a titty */
-
- default:
- return ENOTTY; /* not my kind of ioctl */
- }
- break;
- }
- return 0; /* XXX */
-}
-
-/* Handle ioctls for the super device */
-int
-vinum_super_ioctl(struct cdev *dev,
- u_long cmd,
- caddr_t data)
-{
- int error = 0;
- unsigned int index; /* for transferring config info */
- unsigned int sdno; /* for transferring config info */
- int fe; /* free list element number */
- struct _ioctl_reply *ioctl_reply = (struct _ioctl_reply *) data; /* struct to return */
-
- ioctl_reply = (struct _ioctl_reply *) data; /* save the address to reply to */
- if (error) /* bombed out */
- return 0; /* the reply will contain meaningful info */
- switch (cmd) {
-#ifdef VINUMDEBUG
- case VINUM_DEBUG:
- if (((struct debuginfo *) data)->changeit) /* change debug settings */
- debug = (((struct debuginfo *) data)->param);
- else {
- if (debug & DEBUG_REMOTEGDB)
- boothowto |= RB_GDB; /* serial debug line */
- else
- boothowto &= ~RB_GDB; /* local ddb */
- kdb_enter("vinum debug");
- }
- ioctl_reply = (struct _ioctl_reply *) data; /* reinstate the address to reply to */
- ioctl_reply->error = 0;
- return 0;
-#endif
-
- case VINUM_CREATE: /* create a vinum object */
- error = lock_config(); /* get the config for us alone */
- if (error) /* can't do it, */
- return error; /* give up */
- error = setjmp(command_fail); /* come back here on error */
- if (error == 0) /* first time, */
- ioctl_reply->error = parse_user_config((char *) data, /* update the config */
- &keyword_set);
- else if (ioctl_reply->error == 0) { /* longjmp, but no error status */
- ioctl_reply->error = EINVAL; /* note that something's up */
- ioctl_reply->msg[0] = '\0'; /* no message? */
- }
- unlock_config();
- return 0; /* must be 0 to return the real error info */
-
- case VINUM_GETCONFIG: /* get the configuration information */
- bcopy(&vinum_conf, data, sizeof(vinum_conf));
- return 0;
-
- /* start configuring the subsystem */
- case VINUM_STARTCONFIG:
- return start_config(*(int *) data); /* just lock it. Parameter is 'force' */
-
- /*
- * Move the individual parts of the config to user space.
- *
- * Specify the index of the object in the first word of data,
- * and return the object there
- */
- case VINUM_DRIVECONFIG:
- index = *(int *) data; /* get the index */
- if (index >= (unsigned) vinum_conf.drives_allocated) /* can't do it */
- return ENXIO; /* bang */
- bcopy(&DRIVE[index], data, sizeof(struct _drive)); /* copy the config item out */
- return 0;
-
- case VINUM_SDCONFIG:
- index = *(int *) data; /* get the index */
- if (index >= (unsigned) vinum_conf.subdisks_allocated) /* can't do it */
- return ENXIO; /* bang */
- bcopy(&SD[index], data, sizeof(struct _sd)); /* copy the config item out */
- return 0;
-
- case VINUM_PLEXCONFIG:
- index = *(int *) data; /* get the index */
- if (index >= (unsigned) vinum_conf.plexes_allocated) /* can't do it */
- return ENXIO; /* bang */
- bcopy(&PLEX[index], data, sizeof(struct _plex)); /* copy the config item out */
- return 0;
-
- case VINUM_VOLCONFIG:
- index = *(int *) data; /* get the index */
- if (index >= (unsigned) vinum_conf.volumes_allocated) /* can't do it */
- return ENXIO; /* bang */
- bcopy(&VOL[index], data, sizeof(struct _volume)); /* copy the config item out */
- return 0;
-
- case VINUM_PLEXSDCONFIG:
- index = *(int *) data; /* get the plex index */
- sdno = ((int *) data)[1]; /* and the sd index */
- if ((index >= (unsigned) vinum_conf.plexes_allocated) /* plex doesn't exist */
- ||(sdno >= PLEX[index].subdisks)) /* or it doesn't have this many subdisks */
- return ENXIO; /* bang */
- bcopy(&SD[PLEX[index].sdnos[sdno]], /* copy the config item out */
- data,
- sizeof(struct _sd));
- return 0;
-
- /*
- * We get called in two places: one from the
- * userland config routines, which call us
- * to complete the config and save it. This
- * call supplies the value 0 as a parameter.
- *
- * The other place is from the user "saveconfig"
- * routine, which can only work if we're *not*
- * configuring. In this case, supply parameter 1.
- */
- case VINUM_SAVECONFIG:
- if (VFLAGS & VF_CONFIGURING) { /* must be us, the others are asleep */
- if (*(int *) data == 0) /* finish config */
- finish_config(1); /* finish the configuration and update it */
- else
- return EBUSY; /* can't do it now */
- }
- save_config(); /* save configuration to disk */
- return 0;
-
- case VINUM_RELEASECONFIG: /* release the config */
- if (VFLAGS & VF_CONFIGURING) { /* must be us, the others are asleep */
- finish_config(0); /* finish the configuration, don't change it */
- save_config(); /* save configuration to disk */
- } else
- error = EINVAL; /* release what config? */
- return error;
-
- case VINUM_READCONFIG:
- if (((char *) data)[0] == '\0')
- ioctl_reply->error = vinum_scandisk(NULL); /* built your own list */
- else
- ioctl_reply->error = vinum_scandisk((char *) data);
- if (ioctl_reply->error == ENOENT) {
- if (vinum_conf.drives_used > 0)
- strcpy(ioctl_reply->msg, "no additional drives found");
- else
- strcpy(ioctl_reply->msg, "no drives found");
- } else if (ioctl_reply->error)
- strcpy(ioctl_reply->msg, "can't read configuration information, see log file");
- return 0; /* must be 0 to return the real error info */
-
- case VINUM_INIT:
- ioctl_reply = (struct _ioctl_reply *) data; /* reinstate the address to reply to */
- ioctl_reply->error = 0;
- return 0;
-
- case VINUM_RESETCONFIG:
- if (vinum_inactive(0)) { /* if the volumes are not active */
- /*
- * Note the open count. We may be called from v, so we'll be open.
- * Keep the count so we don't underflow
- */
- free_vinum(1); /* clean up everything */
- log(LOG_NOTICE, "vinum: CONFIGURATION OBLITERATED\n");
- ioctl_reply = (struct _ioctl_reply *) data; /* reinstate the address to reply to */
- ioctl_reply->error = 0;
- return 0;
- }
- return EBUSY;
-
- case VINUM_SETSTATE:
- setstate((struct vinum_ioctl_msg *) data); /* set an object state */
- return 0;
-
- /*
- * Set state by force, without changing
- * anything else.
- */
- case VINUM_SETSTATE_FORCE:
- setstate_by_force((struct vinum_ioctl_msg *) data); /* set an object state */
- return 0;
-
-#ifdef VINUMDEBUG
- case VINUM_MEMINFO:
- vinum_meminfo(data);
- return 0;
-
- case VINUM_MALLOCINFO:
- return vinum_mallocinfo(data);
-
- case VINUM_RQINFO:
- return vinum_rqinfo(data);
-#endif
-
- case VINUM_REMOVE:
- remove((struct vinum_ioctl_msg *) data); /* remove an object */
- return 0;
-
- case VINUM_GETFREELIST: /* get a drive free list element */
- index = *(int *) data; /* get the drive index */
- fe = ((int *) data)[1]; /* and the free list element */
- if ((index >= (unsigned) vinum_conf.drives_allocated) /* plex doesn't exist */
- ||(DRIVE[index].state == drive_unallocated))
- return ENODEV;
- if (fe >= DRIVE[index].freelist_entries) /* no such entry */
- return ENOENT;
- bcopy(&DRIVE[index].freelist[fe],
- data,
- sizeof(struct drive_freelist));
- return 0;
-
- case VINUM_RESETSTATS:
- resetstats((struct vinum_ioctl_msg *) data); /* reset object stats */
- return 0;
-
- /* attach an object to a superordinate object */
- case VINUM_ATTACH:
- attachobject((struct vinum_ioctl_msg *) data);
- return 0;
-
- /* detach an object from a superordinate object */
- case VINUM_DETACH:
- detachobject((struct vinum_ioctl_msg *) data);
- return 0;
-
- /* rename an object */
- case VINUM_RENAME:
- renameobject((struct vinum_rename_msg *) data);
- return 0;
-
- /* replace an object */
- case VINUM_REPLACE:
- replaceobject((struct vinum_ioctl_msg *) data);
- return 0;
-
- case VINUM_DAEMON:
- vinum_daemon(); /* perform the daemon */
- return 0;
-
- case VINUM_FINDDAEMON: /* check for presence of daemon */
- return vinum_finddaemon();
- return 0;
-
- case VINUM_SETDAEMON: /* set daemon flags */
- return vinum_setdaemonopts(*(int *) data);
-
- case VINUM_GETDAEMON: /* get daemon flags */
- *(int *) data = daemon_options;
- return 0;
-
- case VINUM_PARITYOP: /* check/rebuild RAID-4/5 parity */
- parityops((struct vinum_ioctl_msg *) data);
- return 0;
-
- /* move an object */
- case VINUM_MOVE:
- moveobject((struct vinum_ioctl_msg *) data);
- return 0;
-
- case VINUM_READPOL:
- setreadpol((struct vinum_ioctl_msg *) data);
- return 0;
-
- default:
- /* FALLTHROUGH */
- break;
- }
- return 0; /* to keep the compiler happy */
-}
-
-/*
- * The following four functions check the supplied
- * object index and return a pointer to the object
- * if it exists. Otherwise they longjump out via
- * throw_rude_remark.
- */
-struct drive *
-validdrive(int driveno, struct _ioctl_reply *reply)
-{
- if ((driveno < vinum_conf.drives_allocated)
- && (DRIVE[driveno].state > drive_referenced))
- return &DRIVE[driveno];
- strcpy(reply->msg, "No such drive");
- reply->error = ENOENT;
- return NULL;
-}
-
-struct sd *
-validsd(int sdno, struct _ioctl_reply *reply)
-{
- if ((sdno < vinum_conf.subdisks_allocated)
- && (SD[sdno].state > sd_referenced))
- return &SD[sdno];
- strcpy(reply->msg, "No such subdisk");
- reply->error = ENOENT;
- return NULL;
-}
-
-struct plex *
-validplex(int plexno, struct _ioctl_reply *reply)
-{
- if ((plexno < vinum_conf.plexes_allocated)
- && (PLEX[plexno].state > plex_referenced))
- return &PLEX[plexno];
- strcpy(reply->msg, "No such plex");
- reply->error = ENOENT;
- return NULL;
-}
-
-struct volume *
-validvol(int volno, struct _ioctl_reply *reply)
-{
- if ((volno < vinum_conf.volumes_allocated)
- && (VOL[volno].state > volume_uninit))
- return &VOL[volno];
- strcpy(reply->msg, "No such volume");
- reply->error = ENOENT;
- return NULL;
-}
-
-/* reset an object's stats */
-void
-resetstats(struct vinum_ioctl_msg *msg)
-{
- struct _ioctl_reply *reply = (struct _ioctl_reply *) msg;
-
- switch (msg->type) {
- case drive_object:
- if (msg->index < vinum_conf.drives_allocated) {
- struct drive *drive = &DRIVE[msg->index];
- if (drive->state > drive_referenced) {
- drive->reads = 0; /* number of reads on this drive */
- drive->writes = 0; /* number of writes on this drive */
- drive->bytes_read = 0; /* number of bytes read */
- drive->bytes_written = 0; /* number of bytes written */
- reply->error = 0;
- return;
- }
- reply->error = EINVAL;
- return;
- }
- case sd_object:
- if (msg->index < vinum_conf.subdisks_allocated) {
- struct sd *sd = &SD[msg->index];
- if (sd->state > sd_referenced) {
- sd->reads = 0; /* number of reads on this subdisk */
- sd->writes = 0; /* number of writes on this subdisk */
- sd->bytes_read = 0; /* number of bytes read */
- sd->bytes_written = 0; /* number of bytes written */
- reply->error = 0;
- return;
- }
- reply->error = EINVAL;
- return;
- }
- break;
-
- case plex_object:
- if (msg->index < vinum_conf.plexes_allocated) {
- struct plex *plex = &PLEX[msg->index];
- if (plex->state > plex_referenced) {
- plex->reads = 0;
- plex->writes = 0; /* number of writes on this plex */
- plex->bytes_read = 0; /* number of bytes read */
- plex->bytes_written = 0; /* number of bytes written */
- plex->recovered_reads = 0; /* number of recovered read operations */
- plex->degraded_writes = 0; /* number of degraded writes */
- plex->parityless_writes = 0; /* number of parityless writes */
- plex->multiblock = 0; /* requests that needed more than one block */
- plex->multistripe = 0; /* requests that needed more than one stripe */
- reply->error = 0;
- return;
- }
- reply->error = EINVAL;
- return;
- }
- break;
-
- case volume_object:
- if (msg->index < vinum_conf.volumes_allocated) {
- struct volume *vol = &VOL[msg->index];
- if (vol->state > volume_uninit) {
- vol->bytes_read = 0; /* number of bytes read */
- vol->bytes_written = 0; /* number of bytes written */
- vol->reads = 0; /* number of reads on this volume */
- vol->writes = 0; /* number of writes on this volume */
- vol->recovered_reads = 0; /* reads recovered from another plex */
- reply->error = 0;
- return;
- }
- reply->error = EINVAL;
- return;
- }
- case invalid_object: /* can't get this */
- reply->error = EINVAL;
- return;
- }
-}
-
-/* attach an object to a superior object */
-void
-attachobject(struct vinum_ioctl_msg *msg)
-{
- struct _ioctl_reply *reply = (struct _ioctl_reply *) msg;
- int sdno;
- struct sd *sd;
- struct plex *plex;
- struct volume *vol;
-
- switch (msg->type) {
- case drive_object: /* you can't attach a drive to anything */
- case volume_object: /* nor a volume */
- case invalid_object: /* "this can't happen" */
- reply->error = EINVAL;
- reply->msg[0] = '\0'; /* vinum(8) doesn't do this */
- return;
-
- case sd_object:
- sd = validsd(msg->index, reply);
- if (sd == NULL) /* not a valid subdisk */
- return;
- plex = validplex(msg->otherobject, reply);
- if (plex) {
- /*
- * We should be more intelligent about this.
- * We should be able to reattach a dead
- * subdisk, but if we want to increase the total
- * number of subdisks, we have a lot of reshuffling
- * to do. XXX
- */
- if ((plex->organization != plex_concat) /* can't attach to striped and RAID-4/5 */
- &&(!msg->force)) { /* without using force */
- reply->error = EINVAL; /* no message, the user should check */
- strcpy(reply->msg, "Can't attach to this plex organization");
- } else if (sd->plexno >= 0) { /* already belong to a plex */
- reply->error = EBUSY; /* no message, the user should check */
- sprintf(reply->msg, "%s is already attached to %s",
- sd->name,
- sd[sd->plexno].name);
- reply->msg[0] = '\0';
- } else {
- sd->plexoffset = msg->offset; /* this is where we want it */
- set_sd_state(sd->sdno, sd_stale, setstate_force); /* make sure it's stale */
- give_sd_to_plex(plex->plexno, sd->sdno); /* and give it to the plex */
- update_sd_config(sd->sdno, 0);
- save_config();
- if (sd->state == sd_reviving)
- reply->error = EAGAIN; /* need to revive it */
- else
- reply->error = 0;
- }
- }
- break;
-
- case plex_object:
- plex = validplex(msg->index, reply); /* get plex */
- if (plex == NULL)
- return;
- vol = validvol(msg->otherobject, reply); /* and volume information */
- if (vol) {
- if (vol->plexes == MAXPLEX) { /* we have too many already */
- reply->error = ENOSPC; /* nowhere to put it */
- strcpy(reply->msg, "Too many plexes");
- } else if (plex->volno >= 0) { /* the plex has an owner */
- reply->error = EBUSY; /* no message, the user should check */
- sprintf(reply->msg, "%s is already attached to %s",
- plex->name,
- VOL[plex->volno].name);
- } else {
- for (sdno = 0; sdno < plex->subdisks; sdno++) {
- sd = &SD[plex->sdnos[sdno]];
-
- if (sd->state > sd_down) /* real subdisk, vaguely accessible */
- set_sd_state(plex->sdnos[sdno], sd_stale, setstate_force); /* make it stale */
- }
- set_plex_state(plex->plexno, plex_up, setstate_none); /* update plex state */
- give_plex_to_volume(msg->otherobject, msg->index, 0); /* and give it to the volume */
- update_plex_config(plex->plexno, 0);
- save_config();
- reply->error = 0; /* all went well */
- }
- }
- }
-}
-
-/* detach an object from a superior object */
-void
-detachobject(struct vinum_ioctl_msg *msg)
-{
- struct _ioctl_reply *reply = (struct _ioctl_reply *) msg;
- struct sd *sd;
- struct plex *plex;
- struct volume *vol;
- int sdno;
- int plexno;
-
- switch (msg->type) {
- case drive_object: /* you can't detach a drive from anything */
- case volume_object: /* nor a volume */
- case invalid_object: /* "this can't happen" */
- reply->error = EINVAL;
- reply->msg[0] = '\0'; /* vinum(8) doesn't do this */
- return;
-
- case sd_object:
- sd = validsd(msg->index, reply);
- if (sd == NULL)
- return;
- if (sd->plexno < 0) { /* doesn't belong to a plex */
- reply->error = ENOENT;
- strcpy(reply->msg, "Subdisk is not attached");
- return;
- } else { /* valid plex number */
- plex = &PLEX[sd->plexno];
- if ((!msg->force) /* don't force things */
- &&((plex->state == plex_up) /* and the plex is up */
- ||((plex->state == plex_flaky) && sd->state == sd_up))) { /* or flaky with this sd up */
- reply->error = EBUSY; /* we need this sd */
- reply->msg[0] = '\0';
- return;
- }
- sd->plexno = -1; /* anonymous sd */
- if (plex->subdisks == 1) { /* this was the only subdisk */
- Free(plex->sdnos); /* free the subdisk array */
- plex->sdnos = NULL; /* and note the fact */
- plex->subdisks_allocated = 0; /* no subdisk space */
- } else {
- for (sdno = 0; sdno < plex->subdisks; sdno++) {
- if (plex->sdnos[sdno] == msg->index) /* found our subdisk */
- break;
- }
- if (sdno < (plex->subdisks - 1)) /* not the last one, compact */
- bcopy(&plex->sdnos[sdno + 1],
- &plex->sdnos[sdno],
- (plex->subdisks - 1 - sdno) * sizeof(int));
- }
- plex->subdisks--;
- if (!bcmp(plex->name, sd->name, strlen(plex->name) + 1))
- /* this subdisk is named after the plex */
- {
- bcopy(sd->name,
- &sd->name[3],
- min(strlen(sd->name) + 1, MAXSDNAME - 3));
- bcopy("ex-", sd->name, 3);
- sd->name[MAXSDNAME - 1] = '\0';
- }
- update_plex_config(plex->plexno, 0);
- if (isstriped(plex)) /* we've just mutilated our plex, */
- set_plex_state(plex->plexno,
- plex_down,
- setstate_force | setstate_configuring);
- if (plex->volno >= 0) /* plex attached to volume, */
- update_volume_config(plex->volno);
- save_config();
- reply->error = 0;
- }
- return;
-
- case plex_object:
- plex = validplex(msg->index, reply); /* get plex */
- if (plex == NULL)
- return;
- if (plex->volno >= 0) {
- int volno = plex->volno;
-
- vol = &VOL[volno];
- if ((!msg->force) /* don't force things */
- &&((vol->state == volume_up) /* and the volume is up */
- &&(vol->plexes == 1))) { /* and this is the last plex */
- /*
- * XXX As elsewhere, check whether we will lose
- * mapping by removing this plex
- */
- reply->error = EBUSY; /* we need this plex */
- reply->msg[0] = '\0';
- return;
- }
- plex->volno = -1; /* anonymous plex */
- for (plexno = 0; plexno < vol->plexes; plexno++) {
- if (vol->plex[plexno] == msg->index) /* found our plex */
- break;
- }
- if (plexno < (vol->plexes - 1)) /* not the last one, compact */
- bcopy(&vol->plex[plexno + 1],
- &vol->plex[plexno],
- (vol->plexes - 1 - plexno) * sizeof(int));
- vol->plexes--;
- vol->last_plex_read = 0; /* don't go beyond the end */
- if (!bcmp(vol->name, plex->name, strlen(vol->name) + 1))
- /* this plex is named after the volume */
- {
- /* First, check if the subdisks are the same */
- if (msg->recurse) {
- int sdno;
-
- for (sdno = 0; sdno < plex->subdisks; sdno++) {
- struct sd *sd = &SD[plex->sdnos[sdno]];
-
- if (!bcmp(plex->name, sd->name, strlen(plex->name) + 1))
- /* subdisk is named after the plex */
- {
- bcopy(sd->name,
- &sd->name[3],
- min(strlen(sd->name) + 1, MAXSDNAME - 3));
- bcopy("ex-", sd->name, 3);
- sd->name[MAXSDNAME - 1] = '\0';
- }
- }
- }
- bcopy(plex->name,
- &plex->name[3],
- min(strlen(plex->name) + 1, MAXPLEXNAME - 3));
- bcopy("ex-", plex->name, 3);
- plex->name[MAXPLEXNAME - 1] = '\0';
- }
- update_volume_config(volno);
- save_config();
- reply->error = 0;
- } else {
- reply->error = ENOENT;
- strcpy(reply->msg, "Plex is not attached");
- }
- }
-}
-
-void
-renameobject(struct vinum_rename_msg *msg)
-{
- struct _ioctl_reply *reply = (struct _ioctl_reply *) msg;
- struct drive *drive;
- struct sd *sd;
- struct plex *plex;
- struct volume *vol;
-
- switch (msg->type) {
- case drive_object: /* you can't attach a drive to anything */
- if (find_drive(msg->newname, 0) >= 0) { /* we have that name already, */
- reply->error = EEXIST;
- reply->msg[0] = '\0';
- return;
- }
- drive = validdrive(msg->index, reply);
- if (drive) {
- bcopy(msg->newname, drive->label.name, MAXDRIVENAME);
- save_config();
- reply->error = 0;
- }
- return;
-
- case sd_object: /* you can't attach a subdisk to anything */
- if (find_subdisk(msg->newname, 0) >= 0) { /* we have that name already, */
- reply->error = EEXIST;
- reply->msg[0] = '\0';
- return;
- }
- sd = validsd(msg->index, reply);
- if (sd) {
- bcopy(msg->newname, sd->name, MAXSDNAME);
- update_sd_config(sd->sdno, 0);
- save_config();
- reply->error = 0;
- }
- return;
-
- case plex_object: /* you can't attach a plex to anything */
- if (find_plex(msg->newname, 0) >= 0) { /* we have that name already, */
- reply->error = EEXIST;
- reply->msg[0] = '\0';
- return;
- }
- plex = validplex(msg->index, reply);
- if (plex) {
- bcopy(msg->newname, plex->name, MAXPLEXNAME);
- update_plex_config(plex->plexno, 0);
- save_config();
- reply->error = 0;
- }
- return;
-
- case volume_object: /* you can't attach a volume to anything */
- if (find_volume(msg->newname, 0) >= 0) { /* we have that name already, */
- reply->error = EEXIST;
- reply->msg[0] = '\0';
- return;
- }
- vol = validvol(msg->index, reply);
- if (vol) {
- bcopy(msg->newname, vol->name, MAXVOLNAME);
- update_volume_config(msg->index);
- save_config();
- reply->error = 0;
- }
- return;
-
- case invalid_object:
- reply->error = EINVAL;
- reply->msg[0] = '\0';
- }
-}
-
-/*
- * Replace one object with another.
- * Currently only for drives.
- * message->index is the drive number of the old drive
- * message->otherobject is the drive number of the new drive
- */
-void
-replaceobject(struct vinum_ioctl_msg *msg)
-{
- struct _ioctl_reply *reply = (struct _ioctl_reply *) msg;
-
- reply->error = ENODEV; /* until I know how to do this */
- strcpy(reply->msg, "replace not implemented yet");
-/* save_config (); */
-}
-
-void
-moveobject(struct vinum_ioctl_msg *msg)
-{
- struct _ioctl_reply *reply = (struct _ioctl_reply *) msg;
- struct drive *drive;
- struct sd *sd;
-
- /* Check that our objects are valid (i.e. they exist) */
- drive = validdrive(msg->index, (struct _ioctl_reply *) msg);
- if (drive == NULL)
- return;
- sd = validsd(msg->otherobject, (struct _ioctl_reply *) msg);
- if (sd == NULL)
- return;
- if (sd->driveno == msg->index) /* sd already belongs to drive */
- return;
-
- if (sd->state > sd_stale)
- set_sd_state(sd->sdno, sd_stale, setstate_force); /* make the subdisk stale */
- else
- sd->state = sd_empty;
- if (sd->plexno >= 0) /* part of a plex, */
- update_plex_state(sd->plexno); /* update its state */
-
- /* Return the space on the old drive */
- if ((sd->driveno >= 0) /* we have a drive, */
- &&(sd->sectors > 0)) /* and some space on it */
- return_drive_space(sd->driveno, /* return the space */
- sd->driveoffset,
- sd->sectors);
-
- /* Reassign the old subdisk */
- sd->driveno = msg->index;
- sd->driveoffset = -1; /* let the drive decide where to put us */
- give_sd_to_drive(sd->sdno);
- reply->error = 0;
-}
-
-void
-setreadpol(struct vinum_ioctl_msg *msg)
-{
- struct _ioctl_reply *reply = (struct _ioctl_reply *) msg;
- struct volume *vol;
- struct plex *plex;
- int myplexno = -1;
-
- /* Check that our objects are valid (i.e. they exist) */
- vol = validvol(msg->index, reply);
- if (vol == NULL)
- return;
-
- /* If a plex was specified, check that is is valid */
- if (msg->otherobject >= 0) {
- plex = validplex(msg->otherobject, reply);
- if (vol == NULL)
- return;
-
- /* Is it attached to this volume? */
- myplexno = my_plex(msg->index, msg->otherobject);
- if (myplexno < 0) {
- strcpy(reply->msg, "Plex is not attached to volume");
- reply->error = ENOENT;
- return;
- }
- }
- lock_config();
- vol->preferred_plex = myplexno;
- save_config();
- unlock_config();
- reply->error = 0;
-}
-
-/* Local Variables: */
-/* fill-column: 50 */
-/* End: */
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