mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 20:54:31 +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>
80 lines
1.8 KiB
C
80 lines
1.8 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 (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _ZIO_H
|
|
#define _ZIO_H
|
|
|
|
#include <zfs/spa.h>
|
|
|
|
#define ZEC_MAGIC 0x210da7ab10c7a11ULL /* zio data bloc tail */
|
|
|
|
typedef struct zio_eck {
|
|
uint64_t zec_magic; /* for validation, endianness */
|
|
zio_cksum_t zec_cksum; /* 256-bit checksum */
|
|
} zio_eck_t;
|
|
|
|
/*
|
|
* Gang block headers are self-checksumming and contain an array
|
|
* of block pointers.
|
|
*/
|
|
#define SPA_GANGBLOCKSIZE SPA_MINBLOCKSIZE
|
|
#define SPA_GBH_NBLKPTRS ((SPA_GANGBLOCKSIZE - \
|
|
sizeof(zio_eck_t)) / sizeof(blkptr_t))
|
|
#define SPA_GBH_FILLER ((SPA_GANGBLOCKSIZE - \
|
|
sizeof(zio_eck_t) - \
|
|
(SPA_GBH_NBLKPTRS * sizeof(blkptr_t))) /\
|
|
sizeof(uint64_t))
|
|
|
|
#define ZIO_GET_IOSIZE(zio) \
|
|
(BP_IS_GANG((zio)->io_bp) ? \
|
|
SPA_GANGBLOCKSIZE : BP_GET_PSIZE((zio)->io_bp))
|
|
|
|
typedef struct zio_gbh {
|
|
blkptr_t zg_blkptr[SPA_GBH_NBLKPTRS];
|
|
uint64_t zg_filler[SPA_GBH_FILLER];
|
|
zio_eck_t zg_tail;
|
|
} zio_gbh_phys_t;
|
|
|
|
enum zio_checksum {
|
|
ZIO_CHECKSUM_INHERIT = 0,
|
|
ZIO_CHECKSUM_ON,
|
|
ZIO_CHECKSUM_OFF,
|
|
ZIO_CHECKSUM_LABEL,
|
|
ZIO_CHECKSUM_GANG_HEADER,
|
|
ZIO_CHECKSUM_ZILOG,
|
|
ZIO_CHECKSUM_FLETCHER_2,
|
|
ZIO_CHECKSUM_FLETCHER_4,
|
|
ZIO_CHECKSUM_SHA256,
|
|
ZIO_CHECKSUM_ZILOG2,
|
|
ZIO_CHECKSUM_FUNCTIONS
|
|
};
|
|
|
|
#define ZIO_CHECKSUM_ON_VALUE ZIO_CHECKSUM_FLETCHER_2
|
|
#define ZIO_CHECKSUM_DEFAULT ZIO_CHECKSUM_ON
|
|
|
|
enum zio_compress {
|
|
ZIO_COMPRESS_INHERIT = 0,
|
|
ZIO_COMPRESS_ON,
|
|
ZIO_COMPRESS_OFF,
|
|
ZIO_COMPRESS_LZJB,
|
|
ZIO_COMPRESS_EMPTY,
|
|
ZIO_COMPRESS_GZIP1,
|
|
ZIO_COMPRESS_GZIP2,
|
|
ZIO_COMPRESS_GZIP3,
|
|
ZIO_COMPRESS_GZIP4,
|
|
ZIO_COMPRESS_GZIP5,
|
|
ZIO_COMPRESS_GZIP6,
|
|
ZIO_COMPRESS_GZIP7,
|
|
ZIO_COMPRESS_GZIP8,
|
|
ZIO_COMPRESS_GZIP9,
|
|
ZIO_COMPRESS_FUNCTIONS
|
|
};
|
|
|
|
#endif /* _ZIO_H */
|