-/* $Id: fsw_core.h 33540 2010-10-28 09:27:05Z vboxsync $ */
-/** @file
- * fsw_core.h - Core file system wrapper abstraction layer header.
- */
-
-/*
- * Copyright (C) 2010 Oracle Corporation
- *
- * This file is part of VirtualBox Open Source Edition (OSE), as
- * available from http://www.virtualbox.org. This file is free software;
- * you can redistribute it and/or modify it under the terms of the GNU
- * General Public License (GPL) as published by the Free Software
- * Foundation, in version 2 as it comes in the "COPYING" file of the
- * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
- * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+/**
+ * \file fsw_core.h
+ * Core file system wrapper abstraction layer header.
*/
/*-
- * This code is based on:
- *
* Copyright (c) 2006 Christoph Pfisterer
* Portions Copyright (c) The Regents of the University of California.
* Portions Copyright (c) UNIX System Laboratories, Inc.
#endif
/** Maximum size for a path, specifically symlink target paths. */
-#ifndef HOST_EFI_EDK2
#define FSW_PATH_MAX (4096)
-#else
-/* Too big allocations are handled with alloca() */
-#define FSW_PATH_MAX (2048)
-#endif
/** Helper macro for token concatenation. */
#define FSW_CONCAT3(a,b,c) a##b##c
#define FSW_FSTYPE_TABLE_NAME(t) FSW_CONCAT3(fsw_,t,_table)
/** Indicates that the block cache entry is empty. */
-#define FSW_INVALID_BNO (~0UL)
+#define FSW_INVALID_BNO 0xFFFFFFFFFFFFFFFF
//
struct fsw_blockcache {
fsw_u32 refcount; //!< Reference count
fsw_u32 cache_level; //!< Level of importance of this block
- fsw_u32 phys_bno; //!< Physical block number
+ fsw_u64 phys_bno; //!< Physical block number
void *data; //!< Block data buffer
};
struct DNODESTRUCTNAME *parent; //!< Parent directory dnode
struct fsw_string name; //!< Name of this item in the parent directory
- fsw_u32 dnode_id; //!< Unique id number (usually the inode number)
+ fsw_u64 tree_id; //!< Unique id number (usually the btrfs subvolume)
+ fsw_u64 dnode_id; //!< Unique id number (usually the inode number)
int type; //!< Type of the dnode - file, dir, symlink, special
fsw_u64 size; //!< Data size in bytes
struct fsw_extent {
fsw_u32 type; //!< Type of extent specification
- fsw_u32 log_start; //!< Starting logical block number
+ fsw_u64 log_start; //!< Starting logical block number
fsw_u32 log_count; //!< Logical block count
- fsw_u32 phys_start; //!< Starting physical block number (for FSW_EXTENT_TYPE_PHYSBLOCK only)
+ fsw_u64 phys_start; //!< Starting physical block number (for FSW_EXTENT_TYPE_PHYSBLOCK only)
void *buffer; //!< Allocated buffer pointer (for FSW_EXTENT_TYPE_BUFFER only)
};
struct fsw_dnode_stat {
fsw_u64 used_bytes; //!< Bytes actually used by the file on disk
- void (*store_time_posix)(struct fsw_dnode_stat *sb, int which, fsw_u32 posix_time); //!< Callback for storing a Posix-style timestamp
- void (*store_attr_posix)(struct fsw_dnode_stat *sb, fsw_u16 posix_mode); //!< Callback for storing a Posix-style file mode
void *host_data; //!< Hook for a host-specific data structure
};
{
int native_string_type; //!< String type used by the host environment
- void (*change_blocksize)(struct fsw_volume *vol,
+ void EFIAPI (*change_blocksize)(struct fsw_volume *vol,
fsw_u32 old_phys_blocksize, fsw_u32 old_log_blocksize,
fsw_u32 new_phys_blocksize, fsw_u32 new_log_blocksize);
- fsw_status_t (*read_block)(struct fsw_volume *vol, fsw_u32 phys_bno, void *buffer);
+ fsw_status_t EFIAPI (*read_block)(struct fsw_volume *vol, fsw_u64 phys_bno, void *buffer);
};
/**
fsw_status_t fsw_volume_stat(struct fsw_volume *vol, struct fsw_volume_stat *sb);
void fsw_set_blocksize(struct VOLSTRUCTNAME *vol, fsw_u32 phys_blocksize, fsw_u32 log_blocksize);
-fsw_status_t fsw_block_get(struct VOLSTRUCTNAME *vol, fsw_u32 phys_bno, fsw_u32 cache_level, void **buffer_out);
-void fsw_block_release(struct VOLSTRUCTNAME *vol, fsw_u32 phys_bno, void *buffer);
+fsw_status_t fsw_block_get(struct VOLSTRUCTNAME *vol, fsw_u64 phys_bno, fsw_u32 cache_level, void **buffer_out);
+void fsw_block_release(struct VOLSTRUCTNAME *vol, fsw_u64 phys_bno, void *buffer);
/*@}*/
*/
/*@{*/
-fsw_status_t fsw_dnode_create_root(struct VOLSTRUCTNAME *vol, fsw_u32 dnode_id, struct DNODESTRUCTNAME **dno_out);
-fsw_status_t fsw_dnode_create(struct DNODESTRUCTNAME *parent_dno, fsw_u32 dnode_id, int type,
+fsw_status_t fsw_dnode_create_root(struct VOLSTRUCTNAME *vol, fsw_u64 dnode_id, struct DNODESTRUCTNAME **dno_out);
+fsw_status_t fsw_dnode_create(struct DNODESTRUCTNAME *parent_dno, fsw_u64 dnode_id, int type,
+ struct fsw_string *name, struct DNODESTRUCTNAME **dno_out);
+fsw_status_t fsw_dnode_create_root_with_tree(struct VOLSTRUCTNAME *vol, fsw_u64 tree_id, fsw_u64 dnode_id, struct DNODESTRUCTNAME **dno_out);
+fsw_status_t fsw_dnode_create_with_tree(struct DNODESTRUCTNAME *parent_dno, fsw_u64 tree_id, fsw_u64 dnode_id, int type,
struct fsw_string *name, struct DNODESTRUCTNAME **dno_out);
void fsw_dnode_retain(struct fsw_dnode *dno);
void fsw_dnode_release(struct fsw_dnode *dno);
fsw_status_t fsw_dnode_readlink(struct fsw_dnode *dno, struct fsw_string *link_target);
fsw_status_t fsw_dnode_readlink_data(struct DNODESTRUCTNAME *dno, struct fsw_string *link_target);
fsw_status_t fsw_dnode_resolve(struct fsw_dnode *dno, struct fsw_dnode **target_dno_out);
+void fsw_store_time_posix(struct fsw_dnode_stat *sb, int which, fsw_u32 posix_time);
+void fsw_store_attr_posix(struct fsw_dnode_stat *sb, fsw_u16 posix_mode);
+void fsw_store_attr_efi(struct fsw_dnode_stat *sb, fsw_u16 attr);
/*@}*/
void fsw_strsplit(struct fsw_string *lookup_name, struct fsw_string *buffer, char separator);
void fsw_strfree(struct fsw_string *s);
-fsw_u16 fsw_to_lower(fsw_u16 ch);
/*@}*/
+
/**
* \name Posix Mode Macros
* These macros can be used globally to test fields and bits in