cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / romfs_fs.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/romfs_fs.h b/i686-linux-gnu-4.7/usr/include/linux/romfs_fs.h
new file mode 100644 (file)
index 0000000..a7f1585
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/romfs_fs.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#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