| | 1 | /* |
| | 2 | * Copyright (c) 2004 Matthew Dillon <dillon@backplane.com> |
| | 3 | * All rights reserved. |
| | 4 | * |
| | 5 | * Redistribution and use in source and binary forms, with or without |
| | 6 | * modification, are permitted provided that the following conditions |
| | 7 | * are met: |
| | 8 | * 1. Redistributions of source code must retain the above copyright |
| | 9 | * notice, this list of conditions and the following disclaimer. |
| | 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 11 | * notice, this list of conditions and the following disclaimer in the |
| | 12 | * documentation and/or other materials provided with the distribution. |
| | 13 | * |
| | 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| | 15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| | 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 24 | * SUCH DAMAGE. |
| | 25 | * |
| | 26 | * ---------------------------------------------------------------------------- |
| | 27 | * "THE BEER-WARE LICENSE" (Revision 42): |
| | 28 | * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you |
| | 29 | * can do whatever you want with this stuff. If we meet some day, and you think |
| | 30 | * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp |
| | 31 | * ---------------------------------------------------------------------------- |
| | 32 | * |
| | 33 | * $FreeBSD: src/sys/sys/disk.h,v 1.16.2.3 2001/06/20 16:11:01 scottl Exp $ |
| | 34 | * $DragonFly: src/sys/sys/disk.h,v 1.5 2004/05/19 22:53:02 dillon Exp $ |
| | 35 | */ |
| | 36 | |
| | 37 | #ifndef _SYS_DISK_H_ |
| | 38 | #define _SYS_DISK_H_ |
| | 39 | |
| | 40 | #ifndef _SYS_DISKSLICE_H_ |
| | 41 | #include <sys/diskslice.h> |
| | 42 | #endif |
| | 43 | |
| | 44 | #ifndef _SYS_DISKLABEL |
| | 45 | #include <sys/disklabel.h> |
| | 46 | #endif |
| | 47 | |
| | 48 | #ifndef _SYS_DISKLABEL |
| | 49 | #include <sys/msgport.h> |
| | 50 | #endif |
| | 51 | |
| | 52 | struct disk { |
| | 53 | struct lwkt_port d_port; /* interception port */ |
| | 54 | struct cdevsw *d_devsw; /* our device switch */ |
| | 55 | struct cdevsw *d_rawsw; /* the raw device switch */ |
| | 56 | u_int d_flags; |
| | 57 | u_int d_dsflags; |
| | 58 | dev_t d_rawdev; /* backing raw device */ |
| | 59 | dev_t d_cdev; /* special whole-disk part */ |
| | 60 | struct diskslices *d_slice; |
| | 61 | struct disklabel d_label; |
| | 62 | LIST_ENTRY(disk) d_list; |
| | 63 | }; |
| | 64 | |
| | 65 | #define DISKFLAG_LOCK 0x1 |
| | 66 | #define DISKFLAG_WANTED 0x2 |
| | 67 | |
| | 68 | dev_t disk_create (int unit, struct disk *disk, int flags, struct cdevsw *sw); |
| | 69 | void disk_destroy (struct disk *disk); |
| | 70 | int disk_dumpcheck (dev_t dev, u_int *count, u_int *blkno, u_int *secsize); |
| | 71 | struct disk *disk_enumerate (struct disk *disk); |
| | 72 | void disk_invalidate (struct disk *disk); |
| | 73 | |
| | 74 | #endif /* _SYS_DISK_H_ */ |
projects / dragonfly.git / blame_incremental