1 files changed, 116 insertions, 0 deletions
diff --git a/sys/boot/efi/include/efifs.h b/sys/boot/efi/include/efifs.h
new file mode 100644
index 0000000..8ef3615
--- /dev/null
+++ b/sys/boot/efi/include/efifs.h
@@ -0,0 +1,116 @@
+/* $FreeBSD$ */
+#ifndef _EFI_FS_H
+#define _EFI_FS_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    efifs.h
+
+Abstract:
+
+    EFI File System structures
+
+
+
+Revision History
+
+--*/
+
+
+/*
+ * EFI Partition header (normaly starts in LBA 1)
+ */
+
+#define EFI_PARTITION_SIGNATURE         0x5053595320494249
+#define EFI_PARTITION_REVISION          0x00010001
+#define MIN_EFI_PARTITION_BLOCK_SIZE    512
+#define EFI_PARTITION_LBA               1
+
+typedef struct _EFI_PARTITION_HEADER {
+    EFI_TABLE_HEADER    Hdr;
+    UINT32              DirectoryAllocationNumber;
+    UINT32              BlockSize;
+    EFI_LBA             FirstUsableLba;
+    EFI_LBA             LastUsableLba;
+    EFI_LBA             UnusableSpace;
+    EFI_LBA             FreeSpace;
+    EFI_LBA             RootFile;
+    EFI_LBA             SecutiryFile;
+} EFI_PARTITION_HEADER;
+
+
+/*
+ * File header
+ */
+
+#define EFI_FILE_HEADER_SIGNATURE   0x454c494620494249
+#define EFI_FILE_HEADER_REVISION    0x00010000
+#define EFI_FILE_STRING_SIZE        260
+
+typedef struct _EFI_FILE_HEADER {
+    EFI_TABLE_HEADER    Hdr;
+    UINT32              Class;
+    UINT32              LBALOffset;
+    EFI_LBA             Parent;
+    UINT64              FileSize;
+    UINT64              FileAttributes;
+    EFI_TIME            FileCreateTime;
+    EFI_TIME            FileModificationTime;
+    EFI_GUID            VendorGuid;
+    CHAR16              FileString[EFI_FILE_STRING_SIZE];
+} EFI_FILE_HEADER;
+
+
+/*
+ * Return the file's first LBAL which is in the same
+ * logical block as the file header
+ */
+
+#define EFI_FILE_LBAL(a)    ((EFI_LBAL *) (((CHAR8 *) (a)) + (a)->LBALOffset))
+
+#define EFI_FILE_CLASS_FREE_SPACE   1
+#define EFI_FILE_CLASS_EMPTY        2
+#define EFI_FILE_CLASS_NORMAL       3
+
+
+/*
+ * Logical Block Address List - the fundemental block
+ * description structure
+ */
+
+#define EFI_LBAL_SIGNATURE      0x4c41424c20494249
+#define EFI_LBAL_REVISION       0x00010000
+
+typedef struct _EFI_LBAL {
+    EFI_TABLE_HEADER    Hdr;
+    UINT32              Class;
+    EFI_LBA             Parent;
+    EFI_LBA             Next;
+    UINT32              ArraySize;
+    UINT32              ArrayCount;
+} EFI_LBAL;
+
+/* Array size */
+#define EFI_LBAL_ARRAY_SIZE(lbal,offs,blks)  \
+        (((blks) - (offs) - (lbal)->Hdr.HeaderSize) / sizeof(EFI_RL))
+
+/*
+ * Logical Block run-length
+ */
+
+typedef struct {
+    EFI_LBA     Start;
+    UINT64      Length;
+} EFI_RL;
+
+/*
+ * Return the run-length structure from an LBAL header
+ */
+
+#define EFI_LBAL_RL(a)      ((EFI_RL*) (((CHAR8 *) (a)) + (a)->Hdr.HeaderSize))
+
+#endif