97 lines
1.7 KiB
C++
97 lines
1.7 KiB
C++
// vfs.h
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// Virtual file system subsystem for HOS
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// Author: Josh Holtrop
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// Date: 05/10/05
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// Modified: 05/10/05
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#ifndef __HOS_VFS_H__
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#define __HOS_VFS_H__ __HOS_VFS_H__
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#define FS_EXT2 1
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#define FS_MAX 5
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#define VFS_FT_UNKNOWN 0
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#define VFS_FT_FILE 1
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#define VFS_FT_DIR 2
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#define VFS_FT_CHAR 3
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#define VFS_FT_BLOCK 4
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#define VFS_FT_FIFO 5
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#define VFS_FT_SOCK 6
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#define VFS_FT_SYMLINK 7
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#define VFS_PERMS_OX 0x0001
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#define VFS_PERMS_OW 0x0002
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#define VFS_PERMS_OR 0x0004
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#define VFS_PERMS_GX 0x0008
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#define VFS_PERMS_GW 0x0010
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#define VFS_PERMS_GR 0x0020
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#define VFS_PERMS_UX 0x0040
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#define VFS_PERMS_UW 0x0080
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#define VFS_PERMS_UR 0x0100
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#define VFS_PERMS_STICKY 0x0200
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#define VFS_PERMS_SGID 0x0400
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#define VFS_PERMS_SUID 0x0800
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#define EOF 1000000
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#include "hos_defines.h"
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#include "devices.h"
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#ifdef _HOS_CPP_
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extern "C" {
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#endif
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typedef u64_t inode_num_t;
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int vfs_init();
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int vfs_mount(device_t device, int fsType, char *mountPoint);
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#ifdef _HOS_CPP_
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}
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#include "lang/string.h"
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class FileSystem
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{
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protected:
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int myError;
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device_t myDevice;
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public:
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FileSystem();
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FileSystem(device_t dev);
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virtual ~FileSystem();
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virtual u32_t totalBlocks(); /* 512 byte blocks */
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virtual u32_t usedBlocks();
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virtual u32_t freeBlocks();
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virtual u32_t totalInodes();
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virtual u32_t usedInodes();
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virtual u32_t freeInodes();
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virtual u32_t getRootInodeNumber();
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virtual int check();
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};
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class VFSMount
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{
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protected:
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device_t myDev;
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FileSystem *myFS;
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int myRefs;
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string myMountPoint;
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inode_num_t myMountInode;
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public:
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VFSMount(device_t dev, FileSystem *fs, string mountPoint, inode_num_t mountInode);
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~VFSMount();
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};
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FileSystem *vfs_attempt_mount(device_t device, int fsType);
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#endif
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#endif
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