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Diffstat (limited to 'sys/boot/common/disk.h')
| -rw-r--r-- | sys/boot/common/disk.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/sys/boot/common/disk.h b/sys/boot/common/disk.h deleted file mode 100644 index 51e1498e3dae..000000000000 --- a/sys/boot/common/disk.h +++ /dev/null @@ -1,117 +0,0 @@ -/*- - * Copyright (c) 2011 Google, Inc. - * All rights reserved. - * - * 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. - * - * 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. - * - * $FreeBSD$ - */ - -/* - * Device descriptor for partitioned disks. To use, set the - * d_slice and d_partition variables as follows: - * - * Whole disk access: - * - * d_slice = -1 - * d_partition = -1 - * - * Whole MBR slice: - * - * d_slice = MBR slice number (typically 1..4) - * d_partition = -1 - * - * BSD disklabel partition within an MBR slice: - * - * d_slice = MBR slice number (typically 1..4) - * d_partition = disklabel partition (typically 0..19) - * - * BSD disklabel partition on the true dedicated disk: - * - * d_slice = -1 - * d_partition = disklabel partition (typically 0..19) - * - * GPT partition: - * - * d_slice = GPT partition number (typically 1..N) - * d_partition = 255 - * - * For both MBR and GPT, to automatically find the 'best' slice or partition, - * set d_slice to zero. This uses the partition type to decide which partition - * to use according to the following list of preferences: - * - * FreeBSD (active) - * FreeBSD (inactive) - * Linux (active) - * Linux (inactive) - * DOS/Windows (active) - * DOS/Windows (inactive) - * - * Active MBR slices (marked as bootable) are preferred over inactive. GPT - * doesn't have the concept of active/inactive partitions. In both MBR and GPT, - * if there are multiple slices/partitions of a given type, the first one - * is chosen. - * - * The low-level disk device will typically call disk_open() from its open - * method to interpret the disk partition tables according to the rules above. - * This will initialize d_offset to the block offset of the start of the - * selected partition - this offset should be added to the offset passed to - * the device's strategy method. - */ - -#ifndef _DISK_H -#define _DISK_H - -struct disk_devdesc -{ - struct devsw *d_dev; - int d_type; - int d_unit; - void *d_opendata; - int d_slice; - int d_partition; - uint64_t d_offset; -}; - -enum disk_ioctl { - IOCTL_GET_BLOCKS, - IOCTL_GET_BLOCK_SIZE -}; - -/* - * Parse disk metadata and initialise dev->d_offset. - */ -extern int disk_open(struct disk_devdesc *, uint64_t, u_int); -extern int disk_close(struct disk_devdesc *); -extern int disk_ioctl(struct disk_devdesc *, u_long, void *); -extern int disk_read(struct disk_devdesc *, void *, uint64_t, u_int); -extern int disk_write(struct disk_devdesc *, void *, uint64_t, u_int); -extern int ptblread(void *, void *, size_t, uint64_t); - -/* - * Print information about slices on a disk. - */ -extern int disk_print(struct disk_devdesc *, char *, int); -extern char* disk_fmtdev(struct disk_devdesc *); -extern int disk_parsedev(struct disk_devdesc *, const char *, const char **); - -#endif /* _DISK_H */ |