From eed77bd2970a00d1394ed027ceca5b646e4671ce Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 17 Jun 2020 18:31:46 +0200
Subject: Started rewrite

---
 src/kernel/fs/ext2.h | 154 ---------------------------------------------------
 1 file changed, 154 deletions(-)
 delete mode 100644 src/kernel/fs/ext2.h

(limited to 'src/kernel/fs/ext2.h')

diff --git a/src/kernel/fs/ext2.h b/src/kernel/fs/ext2.h
deleted file mode 100644
index 797985a..0000000
--- a/src/kernel/fs/ext2.h
+++ /dev/null
@@ -1,154 +0,0 @@
-#ifndef MELVIX_EXT2_H
-#define MELVIX_EXT2_H
-
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdint.h>
-
-#define ROOT_INODE 2
-
-#define EXT2_SIGNATURE 0xEF53
-#define INODE_SIZE 128
-
-#define SUPERBLOCK_OFFSET 1024
-#define SUPERBLOCK_LENGTH 1024
-
-#define SUPERBLOCK_LBA (SUPERBLOCK_OFFSET / SECTOR_SIZE)
-#define SUPERBLOCK_SECTORS (SUPERBLOCK_LENGTH / SECTOR_SIZE)
-
-struct ext2_superblock {
-	u32 total_inodes;
-	u32 total_blocks;
-	u32 su_res_blocks; // Superuser reserved
-	u32 free_blocks;
-	u32 free_inodes;
-	u32 superblock_block_num;
-	u32 log2_block_size;
-	u32 log2_frag_size;
-	u32 blocks_per_group;
-	u32 frags_per_group;
-	u32 inodes_per_group;
-	u32 last_mount_time;
-	u32 last_write_time;
-	u16 mounts_since_fsck;
-	u16 max_mounts_since_fsck;
-	u16 signature;
-	u16 state; // 1 clean; 2 errors
-	u16 error_action;
-	u16 minor_version;
-	u32 last_fsck_time;
-	u32 max_time_since_fsck;
-	u32 creator_os_id;
-	u32 major_version;
-	u16 res_block_uid;
-	u16 res_block_gid;
-} __attribute__((packed));
-
-// Block group descriptor
-struct bgd {
-	u32 block_bitmap_addr;
-	u32 inode_bitmap_addr;
-	u32 inode_table_addr;
-	u16 free_blocks;
-	u16 free_inodes;
-	u16 used_dirs;
-	u16 pad;
-	u8 bg_reserved[12];
-} __attribute__((packed));
-
-struct ext2_inode {
-	u16 mode;
-	u16 uid;
-	u32 size;
-
-	u32 last_access_time;
-	u32 creation_time;
-	u32 last_modification_time;
-	u32 deletion_time;
-
-	u16 gid;
-	u16 link_count;
-	u32 sectors_used;
-	u32 flags;
-	u32 os_specific_val1;
-	u32 dbp[12];
-	u32 ibp;
-	u32 dibp;
-	u32 tibp;
-	u32 gen_number;
-
-	u32 reserved1;
-	u32 reserved2;
-
-	u32 fragment_addr;
-	u8 os_specific_val2[12];
-} __attribute__((packed));
-
-#define S_IFIFO 0x1000
-#define S_IFCHR 0x2000
-#define S_IFDIR 0x4000
-#define S_IFBLK 0x6000
-#define S_IFREG 0x8000
-#define S_IFLNK 0xA000
-#define S_IFSOCK 0xC000
-
-#define S_ISDIR(m) ((m & 0170000) == 0040000)
-#define S_ISCHR(m) ((m & 0170000) == 0020000)
-#define S_ISBLK(m) ((m & 0170000) == 0060000)
-#define S_ISREG(m) ((m & 0170000) == 0100000)
-#define S_ISFIFO(m) ((m & 0170000) == 0010000)
-#define S_ISLNK(m) ((m & 0170000) == 0120000)
-#define S_ISSOCK(m) ((m & 0170000) == 0140000)
-
-#define S_ISUID 04000
-#define S_ISGID 02000
-#define S_ISTICK 01000
-#define S_IRUSR 00400
-#define S_IWUSR 00200
-#define S_IXUSR 00100
-#define S_IRGRP 00040
-#define S_IWGRP 00020
-#define S_IXGRP 00010
-#define S_IROTH 00004
-#define S_IWOTH 00002
-#define S_IXOTH 00001
-
-#define SECURE_DELETE 0x00001
-#define UNDELETE 0x00002
-#define COMPRESSED 0x00004
-#define SYNCRONOUS 0x00008
-#define IMMUTABLE 0x00010
-#define APPEND_ONLY 0x00020
-#define DUMP_IGNORE 0x00040
-#define NO_UPDATE_ACCESS 0x00080
-
-struct fs_node *ext2_root;
-
-struct ext2_dirent {
-	u32 inode_num;
-	u16 total_len;
-	u8 name_len;
-	u8 type_indicator;
-	u8 *name;
-} __attribute__((packed));
-
-struct ext2_file {
-	struct ext2_inode inode;
-	u32 pos;
-	u8 block_index;
-	u8 *buf;
-	u32 curr_block_pos;
-};
-
-void ext2_init_fs();
-void ext2_open_inode(u32 inode_num, struct ext2_file *file);
-u32 ext2_read(struct ext2_file *file, u8 *buf, u32 count);
-bool ext2_next_dirent(struct ext2_file *file, struct ext2_dirent *dir);
-u32 ext2_find_in_dir(u32 dir_inode, const char *name);
-u32 ext2_look_up_path(char *path);
-
-u8 *read_file(char *path);
-void ext2_node_init(struct fs_node *node);
-void ext2_mount(struct fs_node *mountpoint);
-
-#endif
\ No newline at end of file
-- 
cgit v1.2.3