mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 00:47:26 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
/*
|
|
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
#ifndef _SYS_VDEV_IMPL_H
|
|
#define _SYS_VDEV_IMPL_H
|
|
|
|
#define VDEV_SKIP_SIZE (8 << 10)
|
|
#define VDEV_BOOT_HEADER_SIZE (8 << 10)
|
|
#define VDEV_PHYS_SIZE (112 << 10)
|
|
#define VDEV_UBERBLOCK_RING (128 << 10)
|
|
|
|
/* ZFS boot block */
|
|
#define VDEV_BOOT_MAGIC 0x2f5b007b10cULL
|
|
#define VDEV_BOOT_VERSION 1 /* version number */
|
|
|
|
typedef struct vdev_boot_header {
|
|
uint64_t vb_magic; /* VDEV_BOOT_MAGIC */
|
|
uint64_t vb_version; /* VDEV_BOOT_VERSION */
|
|
uint64_t vb_offset; /* start offset (bytes) */
|
|
uint64_t vb_size; /* size (bytes) */
|
|
char vb_pad[VDEV_BOOT_HEADER_SIZE - 4 * sizeof(uint64_t)];
|
|
} vdev_boot_header_t;
|
|
|
|
typedef struct vdev_phys {
|
|
char vp_nvlist[VDEV_PHYS_SIZE - sizeof(zio_eck_t)];
|
|
zio_eck_t vp_zbt;
|
|
} vdev_phys_t;
|
|
|
|
typedef struct vdev_label {
|
|
char vl_pad[VDEV_SKIP_SIZE]; /* 8K */
|
|
vdev_boot_header_t vl_boot_header; /* 8K */
|
|
vdev_phys_t vl_vdev_phys; /* 112K */
|
|
char vl_uberblock[VDEV_UBERBLOCK_RING]; /* 128K */
|
|
} vdev_label_t; /* 256K total */
|
|
|
|
/*
|
|
* Size and offset of embedded boot loader region on each label.
|
|
* The total size of the first two labels plus the boot area is 4MB.
|
|
*/
|
|
#define VDEV_BOOT_OFFSET (2 * sizeof(vdev_label_t))
|
|
#define VDEV_BOOT_SIZE (7ULL << 19) /* 3.5M */
|
|
|
|
/*
|
|
* Size of label regions at the start and end of each leaf device.
|
|
*/
|
|
#define VDEV_LABEL_START_SIZE (2 * sizeof(vdev_label_t) + VDEV_BOOT_SIZE)
|
|
#define VDEV_LABEL_END_SIZE (2 * sizeof(vdev_label_t))
|
|
#define VDEV_LABELS 4
|
|
|
|
#endif /* _SYS_VDEV_IMPL_H */
|