diff options
Diffstat (limited to 'dev/kernel/FSKit')
| -rw-r--r-- | dev/kernel/FSKit/HeFS.h | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/dev/kernel/FSKit/HeFS.h b/dev/kernel/FSKit/HeFS.h index 27fe2838..ce9b9226 100644 --- a/dev/kernel/FSKit/HeFS.h +++ b/dev/kernel/FSKit/HeFS.h @@ -21,10 +21,11 @@ #define kHeFSMagic " HeFS"
#define kHeFSMagicLen (8)
+#define kHeFSBlockLen (512U)
#define kHeFSFileNameLen (256U)
#define kHeFSPartNameLen (128U)
-#define kHeFSMinimumDiskSize (mib_cast(16))
+#define kHeFSMinimumDiskSize (gib_cast(1))
#define kHeFSDefaultVoluneName u8"HeFS Volume"
@@ -36,6 +37,7 @@ struct HEFS_BOOT_NODE; struct HEFS_INDEX_NODE;
struct HEFS_INDEX_NODE_DIRECTORY;
struct HEFS_JOURNAL_NODE;
+struct HEFS_INODE_SLICE;
enum : UInt8 {
kHeFSHardDrive = 0xC0, // Hard Drive
@@ -123,16 +125,21 @@ struct PACKED HEFS_BOOT_NODE final { Kernel::UInt16 fDiskFlags; /// @brief Flags of the disk. (read-only, read-write, etc).
Kernel::UInt16
fVID; /// @brief Virtual Identification Number within an EPM disk. (0xFFFF if not used).
- Kernel::UInt64 fStartIN; /// @brief Reserved for future use.
- Kernel::UInt64 fEndIN; /// @brief Reserved for future use.
- Kernel::UInt64 fReserved; /// @brief Reserved for future use.
- Kernel::UInt64 fReserved1; /// @brief Reserved for future use.
+ Kernel::UInt64 fStartIN; /// @brief Reserved for future use.
+ Kernel::UInt64 fEndIN; /// @brief Reserved for future use.
+ Kernel::UInt64 fStartBlock; /// @brief Reserved for future use.
+ Kernel::UInt64 fEndBlock; /// @brief Reserved for future use.
Kernel::Char fPad[272];
};
inline constexpr Kernel::ATime kHeFSTimeInvalid = 0x0000000000000000;
inline constexpr Kernel::ATime kHeFSTimeMax = 0xFFFFFFFFFFFFFFFF - 1;
+struct PACKED HEFS_INODE_SLICE {
+ Kernel::UInt32 fBase;
+ Kernel::UInt32 fLength;
+};
+
/// @brief HeFS index node.
/// @details This structure is used to store the file information of a file.
/// @note The index node is a special type of INode that contains the file information.
@@ -156,10 +163,7 @@ struct PACKED HEFS_INDEX_NODE final { /// @details Using an offset to ask fBase, and fLength to compute each slice's length.
Kernel::UInt64 fOffsetSlices;
- struct {
- Kernel::UInt32 fBase;
- Kernel::UInt32 fLength;
- } fSlices[kHeFSSliceCount]; /// @brief block slice
+ HEFS_INODE_SLICE fSlices[kHeFSSliceCount]; /// @brief block slice
Kernel::Char fPad[309];
};
@@ -378,23 +382,22 @@ class HeFileSystemParser final { const Utf8Char* dir);
_Output Bool CreateINode(_Input DriveTrait* drive, _Input const Int32 flags, const Utf8Char* dir,
- const Utf8Char* name);
+ const Utf8Char* name, const UInt8 kind);
_Output Bool DeleteINode(_Input DriveTrait* drive, _Input const Int32 flags, const Utf8Char* dir,
- const Utf8Char* name);
-
- _Output Bool WriteINode(_Input DriveTrait* drive, VoidPtr block, SizeT block_sz,
- const Utf8Char* dir, const Utf8Char* name);
+ const Utf8Char* name, const UInt8 kind);
- _Output Bool ReadINode(_Input DriveTrait* drive, VoidPtr block, SizeT block_sz,
- const Utf8Char* dir, const Utf8Char* name);
+ _Output Bool INodeManip(_Input DriveTrait* drive, VoidPtr block, SizeT block_sz,
+ const Utf8Char* dir, const UInt8 kind, const Utf8Char* name,
+ const BOOL in);
private:
- _Output Bool INodeCtl_(_Input DriveTrait* drive, _Input const Int32 flags, const Utf8Char* dir,
- const Utf8Char* name, const BOOL delete_or_create);
+ _Output Bool INodeCtlManip(_Input DriveTrait* drive, _Input const Int32 flags,
+ const Utf8Char* dir, const Utf8Char* name, const BOOL delete_or_create,
+ const UInt8 kind);
- _Output Bool INodeDirectoryCtl_(_Input DriveTrait* drive, _Input const Int32 flags,
- const Utf8Char* dir, const BOOL delete_or_create);
+ _Output Bool INodeDirectoryCtlManip(_Input DriveTrait* drive, _Input const Int32 flags,
+ const Utf8Char* dir, const BOOL delete_or_create);
};
/// @brief Initialize HeFS inside the main disk.
|