diff options
Diffstat (limited to 'tools/regression/geom/geom_simdev.c')
| -rw-r--r-- | tools/regression/geom/geom_simdev.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/tools/regression/geom/geom_simdev.c b/tools/regression/geom/geom_simdev.c deleted file mode 100644 index 4221742..0000000 --- a/tools/regression/geom/geom_simdev.c +++ /dev/null @@ -1,159 +0,0 @@ -/*- - * Copyright (c) 2002 Poul-Henning Kamp - * Copyright (c) 2002 Networks Associates Technology, Inc. - * All rights reserved. - * - * This software was developed for the FreeBSD Project by Poul-Henning Kamp - * and NAI Labs, the Security Research Division of Network Associates, Inc. - * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the - * DARPA CHATS research program. - * - * 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. The names of the authors may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 AUTHOR 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. - * - * $FreeBSD$ - */ - - -#include <sys/param.h> -#include <stdio.h> -#include <unistd.h> -#include <string.h> -#include <stdlib.h> -#include <signal.h> -#include <err.h> -#include <sys/errno.h> -#include <sys/time.h> -#include <geom/geom.h> - -static g_orphan_t g_dev_orphan; - -static struct g_geom * -dev_taste(struct g_class *mp, struct g_provider *pp, int insist __unused) -{ - struct g_geom *gp; - struct g_consumer *cp; - - g_trace(G_T_TOPOLOGY, "dev_taste(%s,%s)", mp->name, pp->name); - g_topology_assert(); - LIST_FOREACH(cp, &pp->consumers, consumers) { - if (cp->geom->class == mp) { - g_topology_unlock(); - return (NULL); - } - } - gp = g_new_geomf(mp, pp->name); - gp->orphan = g_dev_orphan; - cp = g_new_consumer(gp); - g_attach(cp, pp); - return (gp); -} - - -static void -g_dev_orphan(struct g_consumer *cp) -{ - struct g_geom *gp; - - gp = cp->geom; - gp->flags |= G_GEOM_WITHER; - g_trace(G_T_TOPOLOGY, "g_dev_orphan(%p(%s))", cp, gp->name); - if (cp->biocount > 0) - return; - if (cp->acr > 0 || cp->acw > 0 || cp->ace > 0) - g_access_rel(cp, -cp->acr, -cp->acw, -cp->ace); - g_detach(cp); - g_destroy_consumer(cp); - g_destroy_geom(gp); -} - - -static struct g_class dev_class = { - "DEV-class", - dev_taste, - NULL, - G_CLASS_INITIALIZER -}; - -static struct g_geom * -g_dev_findg(const char *name) -{ - struct g_geom *gp; - - LIST_FOREACH(gp, &dev_class.geom, geom) - if (!strcmp(gp->name, name)) - break; - return (gp); -} - -void -g_dev_init(void *junk __unused) -{ - - g_add_class(&dev_class); -} - - -struct g_consumer * -g_dev_opendev(const char *name, int r, int w, int e) -{ - struct g_geom *gp; - struct g_consumer *cp; - int error; - - gp = g_dev_findg(name); - if (gp == NULL) - return (NULL); - g_topology_lock(); - cp = LIST_FIRST(&gp->consumer); - error = g_access_rel(cp, r, w, e); - g_topology_unlock(); - if (error) - return(NULL); - return(cp); -} - -static void -g_dev_done(struct bio *bp) -{ - - if (bp->bio_from->biocount > 0) - return; - g_topology_lock(); - g_dev_orphan(bp->bio_from); - g_topology_unlock(); -} - -int -g_dev_request(const char *name, struct bio *bp) -{ - struct g_geom *gp; - - gp = g_dev_findg(name); - if (gp == NULL) - return (-1); - bp->bio_done = g_dev_done; - g_io_request(bp, LIST_FIRST(&gp->consumer)); - return (1); -} |
