mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 03:33:59 +08:00
8d0a1decb4
This header uses things like __be32, so pull in linux/types.h. Further, it uses BLOCK_SIZE, so pull in linux/fs.h. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
60 lines
1.1 KiB
C
60 lines
1.1 KiB
C
#ifndef __LINUX_ROMFS_FS_H
|
|
#define __LINUX_ROMFS_FS_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/fs.h>
|
|
|
|
/* The basic structures of the romfs filesystem */
|
|
|
|
#define ROMBSIZE BLOCK_SIZE
|
|
#define ROMBSBITS BLOCK_SIZE_BITS
|
|
#define ROMBMASK (ROMBSIZE-1)
|
|
#define ROMFS_MAGIC 0x7275
|
|
|
|
#define ROMFS_MAXFN 128
|
|
|
|
#define __mkw(h,l) (((h)&0x00ff)<< 8|((l)&0x00ff))
|
|
#define __mkl(h,l) (((h)&0xffff)<<16|((l)&0xffff))
|
|
#define __mk4(a,b,c,d) cpu_to_be32(__mkl(__mkw(a,b),__mkw(c,d)))
|
|
#define ROMSB_WORD0 __mk4('-','r','o','m')
|
|
#define ROMSB_WORD1 __mk4('1','f','s','-')
|
|
|
|
/* On-disk "super block" */
|
|
|
|
struct romfs_super_block {
|
|
__be32 word0;
|
|
__be32 word1;
|
|
__be32 size;
|
|
__be32 checksum;
|
|
char name[0]; /* volume name */
|
|
};
|
|
|
|
/* On disk inode */
|
|
|
|
struct romfs_inode {
|
|
__be32 next; /* low 4 bits see ROMFH_ */
|
|
__be32 spec;
|
|
__be32 size;
|
|
__be32 checksum;
|
|
char name[0];
|
|
};
|
|
|
|
#define ROMFH_TYPE 7
|
|
#define ROMFH_HRD 0
|
|
#define ROMFH_DIR 1
|
|
#define ROMFH_REG 2
|
|
#define ROMFH_SYM 3
|
|
#define ROMFH_BLK 4
|
|
#define ROMFH_CHR 5
|
|
#define ROMFH_SCK 6
|
|
#define ROMFH_FIF 7
|
|
#define ROMFH_EXEC 8
|
|
|
|
/* Alignment */
|
|
|
|
#define ROMFH_SIZE 16
|
|
#define ROMFH_PAD (ROMFH_SIZE-1)
|
|
#define ROMFH_MASK (~ROMFH_PAD)
|
|
|
|
#endif
|