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104 lines
2.7 KiB
104 lines
2.7 KiB
/* |
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* ZFS filesystem port for Uboot by |
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* Jorgen Lundman <lundman at lundman.net> |
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* |
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* zfsfs support |
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* made from existing GRUB Sources by Sun, GNU and others. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#ifndef __ZFS_COMMON__ |
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#define __ZFS_COMMON__ |
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#define SECTOR_SIZE 0x200 |
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#define SECTOR_BITS 9 |
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typedef enum zfs_endian { |
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UNKNOWN_ENDIAN = -2, |
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LITTLE_ENDIAN = -1, |
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BIG_ENDIAN = 0 |
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} zfs_endian_t; |
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/* Endian macros. */ |
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#define zfs_to_cpu16(x, a) (((a) == BIG_ENDIAN) ? be16_to_cpu(x) \ |
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: le16_to_cpu(x)) |
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#define cpu_to_zfs16(x, a) (((a) == BIG_ENDIAN) ? cpu_to_be16(x) \ |
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: cpu_to_le16(x)) |
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#define zfs_to_cpu32(x, a) (((a) == BIG_ENDIAN) ? be32_to_cpu(x) \ |
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: le32_to_cpu(x)) |
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#define cpu_to_zfs32(x, a) (((a) == BIG_ENDIAN) ? cpu_to_be32(x) \ |
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: cpu_to_le32(x)) |
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#define zfs_to_cpu64(x, a) (((a) == BIG_ENDIAN) ? be64_to_cpu(x) \ |
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: le64_to_cpu(x)) |
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#define cpu_to_zfs64(x, a) (((a) == BIG_ENDIAN) ? cpu_to_be64(x) \ |
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: cpu_to_le64(x)) |
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enum zfs_errors { |
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ZFS_ERR_NONE = 0, |
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ZFS_ERR_NOT_IMPLEMENTED_YET = -1, |
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ZFS_ERR_BAD_FS = -2, |
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ZFS_ERR_OUT_OF_MEMORY = -3, |
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ZFS_ERR_FILE_NOT_FOUND = -4, |
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ZFS_ERR_BAD_FILE_TYPE = -5, |
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ZFS_ERR_OUT_OF_RANGE = -6, |
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}; |
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struct zfs_filesystem { |
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/* Block Device Descriptor */ |
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struct blk_desc *dev_desc; |
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}; |
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struct device_s { |
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uint64_t part_length; |
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}; |
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typedef struct device_s *device_t; |
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struct zfs_file { |
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device_t device; |
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uint64_t size; |
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void *data; |
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uint64_t offset; |
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}; |
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typedef struct zfs_file *zfs_file_t; |
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struct zfs_dirhook_info { |
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int dir; |
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int mtimeset; |
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time_t mtime; |
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time_t mtime2; |
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}; |
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struct zfs_filesystem *zfsget_fs(void); |
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int zfs_open(zfs_file_t, const char *filename); |
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uint64_t zfs_read(zfs_file_t, char *buf, uint64_t len); |
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struct zfs_data *zfs_mount(device_t); |
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int zfs_close(zfs_file_t); |
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int zfs_ls(device_t dev, const char *path, |
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int (*hook) (const char *, const struct zfs_dirhook_info *)); |
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int zfs_devread(int sector, int byte_offset, int byte_len, char *buf); |
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void zfs_set_blk_dev(struct blk_desc *rbdd, disk_partition_t *info); |
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void zfs_unmount(struct zfs_data *data); |
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int lzjb_decompress(void *, void *, uint32_t, uint32_t); |
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#endif
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