1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * BTRFS filesystem implementation for U-Boot
4 *
5 * 2017 Marek Beh��n, CZ.NIC, kabel@kernel.org
6 */
7
8#include <common.h>
9#include <blk.h>
10#include <compiler.h>
11#include <fs_internal.h>
12
13struct blk_desc *btrfs_blk_desc;
14struct disk_partition *btrfs_part_info;
15
16int btrfs_devread(u64 address, int byte_len, void *buf)
17{
18	lbaint_t sector;
19	int byte_offset;
20
21	sector = address >> btrfs_blk_desc->log2blksz;
22	byte_offset = address % btrfs_blk_desc->blksz;
23
24	return fs_devread(btrfs_blk_desc, btrfs_part_info, sector, byte_offset,
25			  byte_len, buf);
26}
27