1/*-
2 * Copyright (c) 2002 Poul-Henning Kamp
3 * Copyright (c) 2002 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed for the FreeBSD Project by Poul-Henning Kamp
7 * and NAI Labs, the Security Research Division of Network Associates, Inc.
8 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * $FreeBSD: head/sys/geom/geom_disk.c 92403 2002-03-16 09:24:19Z phk $
36 */
37
38#include "opt_geom.h"
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/sysctl.h>
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51
52
53#include <sys/lock.h>
54#include <sys/mutex.h>
55#include <geom/geom.h>
56
57static g_access_t g_disk_access;
58
59struct g_method g_disk_method = {
60 "DISK-method",
61 NULL,
62 g_disk_access,
63 NULL,
64 NULL,
65 { 0, 0 },
66 { 0 }
67};
68
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176{
177 static int once;
178 struct g_geom *gp;
179 struct g_provider *pp;
180 dev_t dev;
181
182 mtx_unlock(&Giant);
183 if (!once) {
184 g_add_method(&g_disk_method);
185 once++;
186 }
187 dev = g_malloc(sizeof *dev, M_WAITOK | M_ZERO);
188 dp->d_dev = dev;
189 dev->si_devsw = cdevsw;
190 dev->si_disk = dp;
191 dev->si_udev = dkmakeminor(unit, WHOLE_DISK_SLICE, RAW_PART);
192 g_topology_lock();
193 gp = g_new_geomf(&g_disk_method, "%s%d", cdevsw->d_name, unit);
194 gp->start = g_disk_start;
195 gp->softc = dp;
196 dp->d_softc = gp;
197 pp = g_new_providerf(gp, "%s", gp->name);
198 g_error_provider(pp, 0);
199 g_topology_unlock();
200 mtx_lock(&Giant);
201 return (dev);
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2 * Copyright (c) 2002 Poul-Henning Kamp
3 * Copyright (c) 2002 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed for the FreeBSD Project by Poul-Henning Kamp
7 * and NAI Labs, the Security Research Division of Network Associates, Inc.
8 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * $FreeBSD: head/sys/geom/geom_disk.c 92403 2002-03-16 09:24:19Z phk $
36 */
37
38#include "opt_geom.h"
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/sysctl.h>
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51
52
53#include <sys/lock.h>
54#include <sys/mutex.h>
55#include <geom/geom.h>
56
57static g_access_t g_disk_access;
58
59struct g_method g_disk_method = {
60 "DISK-method",
61 NULL,
62 g_disk_access,
63 NULL,
64 NULL,
65 { 0, 0 },
66 { 0 }
67};
68
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176{
177 static int once;
178 struct g_geom *gp;
179 struct g_provider *pp;
180 dev_t dev;
181
182 mtx_unlock(&Giant);
183 if (!once) {
184 g_add_method(&g_disk_method);
185 once++;
186 }
187 dev = g_malloc(sizeof *dev, M_WAITOK | M_ZERO);
188 dp->d_dev = dev;
189 dev->si_devsw = cdevsw;
190 dev->si_disk = dp;
191 dev->si_udev = dkmakeminor(unit, WHOLE_DISK_SLICE, RAW_PART);
192 g_topology_lock();
193 gp = g_new_geomf(&g_disk_method, "%s%d", cdevsw->d_name, unit);
194 gp->start = g_disk_start;
195 gp->softc = dp;
196 dp->d_softc = gp;
197 pp = g_new_providerf(gp, "%s", gp->name);
198 g_error_provider(pp, 0);
199 g_topology_unlock();
200 mtx_lock(&Giant);
201 return (dev);
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