Start to split the GEOM/diskdriver specific bits into geom/geom_disk.h
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phk
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93
sys/geom/geom_disk.h
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93
sys/geom/geom_disk.h
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/*-
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* Copyright (c) 2003 Poul-Henning Kamp
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by Poul-Henning Kamp
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* and NAI Labs, the Security Research Division of Network Associates, Inc.
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* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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* DARPA CHATS research program.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _GEOM_GEOM_DISK_H_
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#define _GEOM_GEOM_DISK_H_
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#ifdef _KERNEL
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#include <sys/queue.h>
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typedef int disk_open_t(struct disk *);
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typedef int disk_close_t(struct disk *);
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typedef void disk_strategy_t(struct bio *bp);
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typedef int disk_ioctl_t(struct disk *, u_long cmd, void *data,
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int fflag, struct thread *td);
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/* NB: disk_ioctl_t SHALL be cast'able to d_ioctl_t */
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struct g_geom;
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struct devstat;
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struct disk {
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/* Fields which are private to geom_disk */
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struct g_geom *d_geom;
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struct devstat *d_devstat;
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/* Shared fields */
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u_int d_flags;
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const char *d_name;
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u_int d_unit;
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/* Disk methods */
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disk_open_t *d_open;
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disk_close_t *d_close;
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disk_strategy_t *d_strategy;
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disk_ioctl_t *d_ioctl;
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dumper_t *d_dump;
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/* Info fields from driver to geom_disk.c. Valid when open */
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u_int d_sectorsize;
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off_t d_mediasize;
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u_int d_fwsectors;
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u_int d_fwheads;
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u_int d_maxsize;
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u_int d_stripeoffset;
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u_int d_stripesize;
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/* Fields private to the driver */
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void *d_drv1;
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};
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#define DISKFLAG_NOGIANT 0x1
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#define DISKFLAG_OPEN 0x2
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#define DISKFLAG_CANDELETE 0x4
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void disk_create(int unit, struct disk *disk, int flags, void *unused, void *unused2);
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void disk_destroy(struct disk *disk);
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#endif /* _KERNEL */
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#endif /* _GEOM_GEOM_DISK_H_ */
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@ -17,58 +17,12 @@
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#ifdef _KERNEL
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#include <sys/queue.h>
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#ifndef _SYS_CONF_H_
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#include <sys/conf.h> /* XXX: temporary to avoid breakage */
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#endif
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typedef int disk_open_t(struct disk *);
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typedef int disk_close_t(struct disk *);
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typedef void disk_strategy_t(struct bio *bp);
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typedef int disk_ioctl_t(struct disk *, u_long cmd, void *data,
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int fflag, struct thread *td);
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/* NB: disk_ioctl_t SHALL be cast'able to d_ioctl_t */
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#include <geom/geom_disk.h>
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struct g_geom;
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struct devstat;
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struct disk {
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/* Fields which are private to geom_disk */
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struct g_geom *d_geom;
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struct devstat *d_devstat;
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/* Shared fields */
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u_int d_flags;
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const char *d_name;
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u_int d_unit;
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/* Disk methods */
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disk_open_t *d_open;
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disk_close_t *d_close;
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disk_strategy_t *d_strategy;
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disk_ioctl_t *d_ioctl;
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dumper_t *d_dump;
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/* Info fields from driver to geom_disk.c. Valid when open */
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u_int d_sectorsize;
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off_t d_mediasize;
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u_int d_fwsectors;
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u_int d_fwheads;
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u_int d_maxsize;
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u_int d_stripeoffset;
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u_int d_stripesize;
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/* Fields private to the driver */
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void *d_drv1;
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};
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#define DISKFLAG_NOGIANT 0x1
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#define DISKFLAG_OPEN 0x2
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#define DISKFLAG_CANDELETE 0x4
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void disk_create(int unit, struct disk *disk, int flags, void *unused, void *unused2);
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void disk_destroy(struct disk *disk);
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struct disk *disk_enumerate(struct disk *disk);
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void disk_err(struct bio *bp, const char *what, int blkdone, int nl);
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