freebsd-dev/tools/regression/geom/geom_simdisk.h
Poul-Henning Kamp fead6f3f5b Play catch up with the kernel.
Sponsored by:	DARPA & NAI Labs
2002-04-04 16:40:11 +00:00

65 lines
2.4 KiB
C

/*-
* 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.
*
* $FreeBSD$
*/
struct sector {
LIST_ENTRY(sector) sectors;
off_t offset;
unsigned char *data;
};
struct simdisk_softc {
int fd;
int sectorsize;
off_t mediasize;
off_t lastsector;
LIST_HEAD(,sector) sectors;
struct sbuf *sbuf;
struct sector *sp;
int stop;
u_int fwsectors;
u_int fwheads;
u_int fwcylinders;
TAILQ_HEAD(,bio) sort;
};
extern struct g_class g_simdisk_class;
struct sector * g_simdisk_findsector(struct simdisk_softc *sc, off_t off, int create);
struct g_geom *g_simdisk_create(char *name, struct simdisk_softc *sc);
void g_simdisk_insertsector(struct simdisk_softc *sc, struct sector *dsp);