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_dev.c 104602 2002-10-07 06:25:26Z phk $
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/malloc.h>
41#include <sys/kernel.h>
42#include <sys/conf.h>
43#include <sys/bio.h>

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226{
227 struct g_geom *gp, *gp2;
228 struct g_consumer *cp;
229 struct g_provider *pp2;
230 struct g_kerneldump kd;
231 int i, error;
232 u_int u;
233 struct g_ioctl *gio;
234
235 gp = dev->si_drv1;
236 cp = dev->si_drv2;
237 pp2 = cp->provider;
238 gp2 = pp2->geom;
239 gio = NULL;
240
241 error = 0;
242 DROP_GIANT();
243
244 i = IOCPARM_LEN(cmd);
245 switch (cmd) {
246 case DIOCGSECTORSIZE:
247 error = g_io_getattr("GEOM::sectorsize", cp, &i, data);

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267 }
268 kd.offset = 0;
269 kd.length = OFF_MAX;
270 i = sizeof kd;
271 error = g_io_getattr("GEOM::kerneldump", cp, &i, &kd);
272 if (!error)
273 dev->si_flags |= SI_DUMPDEV;
274 break;
275
276 default:
277 gio = g_malloc(sizeof *gio, M_WAITOK | M_ZERO);
278 gio->cmd = cmd;
279 gio->data = data;
280 gio->fflag = fflag;
281 gio->td = td;
282 i = sizeof *gio;
283 if (cmd & IOC_IN)
284 error = g_io_setattr("GEOM::ioctl", cp, i, gio);
285 else
286 error = g_io_getattr("GEOM::ioctl", cp, &i, gio);
287 break;
288 }
289
290 PICKUP_GIANT();
291 if (error == EDIRIOCTL) {
292 KASSERT(gio != NULL, ("NULL gio but EDIRIOCTL"));
293 KASSERT(gio->func != NULL, ("NULL function but EDIRIOCTL"));
294 error = (gio->func)(gio->dev, cmd, data, fflag, td);
295 }
296 if (gio != NULL)
297 g_free(gio);
298 g_waitidle();
299 if (error == ENOIOCTL) {
300 if (g_debugflags & G_T_TOPOLOGY) {
301 i = IOCGROUP(cmd);
302 printf("IOCTL(0x%lx) \"%s\"", cmd, gp->name);
303 if (i > ' ' && i <= '~')
304 printf(" '%c'", (int)IOCGROUP(cmd));
305 else

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