Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openhackware / src / libfs / libfs.h

diff --git a/qemu/roms/openhackware/src/libfs/libfs.h b/qemu/roms/openhackware/src/libfs/libfs.h
new file mode 100644 (file)
index 0000000..1c05bcb
--- /dev/null
+++ b/qemu/roms/openhackware/src/libfs/libfs.h
@@ -0,0 +1,129 @@
+/*
+ * <libfs.h>
+ *
+ * Open Hack'Ware BIOS: file system library definitions
+ * 
+ * Copyright (c) 2004-2005 Jocelyn Mayer
+ * 
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License V2
+ *   as published by the Free Software Foundation
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#if !defined(__OHW_LIBFS_H__)
+#define __OHW_LIBFS_H__
+
+//#define DEBUG_FS 1
+#define FS_SPECIAL "<special>"
+
+static inline int is_special_file (const unsigned char *name)
+{
+    int splen = strlen(FS_SPECIAL);
+
+    return name[0] == '\0' && memcmp(name + 1, FS_SPECIAL, splen) == 0 &&
+        name[splen + 1] == '\0';
+}
+
+#if defined (DEBUG_FS)
+#define FS_DPRINTF(fmt, args...) \
+do { dprintf("%s: " fmt, __func__ , ##args); } while (0)
+#else
+#define FS_DPRINTF(fmt, args...) \
+do { } while (0)
+#endif
+#define FS_ERROR(fmt, args...) \
+do { printf("ERROR in %s: " fmt, __func__ , ##args); } while (0)
+
+typedef struct fs_ops_t {
+    inode_t *(*get_inode)(inode_t *parent, const unsigned char *name);
+    void (*put_inode)(inode_t *inode);
+    uint32_t (*map_bloc)(inode_t *inode, uint32_t bloc);
+    inode_t *(*get_special_inode)(fs_t *fs, int type);
+} fs_ops_t;
+
+#define MAXNAME_LEN 1024
+
+struct fs_t {
+    int type;
+    part_t *part;
+    inode_t *root;
+    fs_ops_t *fs_ops;
+    uint32_t size;
+    unsigned char *name;
+    inode_t *bootfile;
+    inode_t *bootdir;
+    void *private;
+};
+
+struct dir_t {
+    inode_t *inode;
+    dirent_t *cur;
+    int pos;
+};
+
+/* All internals use inodes */
+struct inode_t {
+    fs_t *fs;
+    /* parent inode */
+    inode_t *parent;
+    /* Next inode at the same level */
+    inode_t *next;
+    /* First child inode */
+    inode_t *child;
+    /* Private data */
+    int refcount;
+    uint32_t flags;
+    unsigned char *name;
+    int nb_blocs;
+    pos_t *blocs;
+    pos_t size;
+    void *private;
+    uint32_t vbloc;
+    uint32_t vpos;
+};
+
+/* Low-level helpers */
+enum {
+    FILE_UNKNOWN = -1,
+    FILE_ROOT    = 0,
+    FILE_BOOT,
+    FILE_BOOTDIR,
+};
+
+void fs_cache_add_inode (inode_t *parent, inode_t *inode);
+
+int fs_raw_probe (part_t *part, uint32_t *size,
+                  fs_ops_t **fs_ops, unsigned char **name,
+                  void **private);
+int fs_ext2_probe (part_t *part, uint32_t *size,
+                   fs_ops_t **fs_ops, unsigned char **name,
+                   void **private);
+int fs_isofs_probe (part_t *part, uint32_t *size,
+                    fs_ops_t **fs_ops, unsigned char **name,
+                    void **private);
+int fs_hfs_probe (part_t *part, uint32_t *size,
+                  fs_ops_t **fs_ops, unsigned char **name,
+                  void **private);
+int fs_raw_set_bootfile (part_t *part,
+                         uint32_t start_bloc, uint32_t start_offset,
+                         uint32_t size_bloc, uint32_t size_offset);
+
+enum {
+    FS_TYPE_UNKNOWN = -1,
+    FS_TYPE_RAW     = 0,
+    FS_TYPE_EXT2,
+    FS_TYPE_ISOFS,
+    FS_TYPE_HFS,
+    FS_TYPE_HFSP,
+};
+
+#endif /* !defined(__OHW_LIBFS_H__) */