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 111733 2003-03-02 14:42:01Z phk $
36 */
37
38#include <sys/param.h>
39#include <sys/stdint.h>
40#include <sys/systm.h>
41#include <sys/malloc.h>
42#include <sys/kernel.h>
43#include <sys/conf.h>

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54#include <machine/limits.h>
55
56static d_open_t g_dev_open;
57static d_close_t g_dev_close;
58static d_strategy_t g_dev_strategy;
59static d_ioctl_t g_dev_ioctl;
60
61static struct cdevsw g_dev_cdevsw = {
62 /* open */ g_dev_open,
63 /* close */ g_dev_close,
64 /* read */ physread,
65 /* write */ physwrite,
66 /* ioctl */ g_dev_ioctl,
67 /* poll */ nopoll,
68 /* mmap */ nommap,
69 /* strategy */ g_dev_strategy,
70 /* name */ "g_dev",
71 /* maj */ GEOM_MAJOR,
72 /* dump */ nodump,
73 /* psize */ nopsize,
74 /* flags */ D_DISK | D_TRACKCLOSE,
75 /* kqfilter */ nokqfilter
76};
77
78static g_taste_t g_dev_taste;
79static g_orphan_t g_dev_orphan;
80
81static struct g_class g_dev_class = {
82 "DEV",
83 g_dev_taste,

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