Add build system scaffolding and libc headers

1 files changed, 98 insertions, 0 deletions

diff --git a/include/arch/x86_64/linux/fiemap.h b/include/arch/x86_64/linux/fiemap.h
new file mode 100644
index 00000000..681bb54e
--- /dev/null
+++ b/include/arch/x86_64/linux/fiemap.h
@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * FS_IOC_FIEMAP ioctl infrastructure.
+ *
+ * Some portions copyright (C) 2007 Cluster File Systems, Inc
+ *
+ * Authors: Mark Fasheh <mfasheh@suse.com>
+ *          Kalpak Shah <kalpak.shah@sun.com>
+ *          Andreas Dilger <adilger@sun.com>
+ */
+
+#ifndef _LINUX_FIEMAP_H
+#define _LINUX_FIEMAP_H
+
+#include <linux/types.h>
+
+/**
+ * struct fiemap_extent - description of one fiemap extent
+ * @fe_logical: byte offset of the extent in the file
+ * @fe_physical: byte offset of extent on disk
+ * @fe_length: length in bytes for this extent
+ * @fe_flags: FIEMAP_EXTENT_* flags for this extent
+ */
+struct fiemap_extent {
+	__u64 fe_logical;
+	__u64 fe_physical;
+	__u64 fe_length;
+	/* private: */
+	__u64 fe_reserved64[2];
+	/* public: */
+	__u32 fe_flags;
+	/* private: */
+	__u32 fe_reserved[3];
+};
+
+/**
+ * struct fiemap - file extent mappings
+ * @fm_start: byte offset (inclusive) at which to start mapping (in)
+ * @fm_length: logical length of mapping which userspace wants (in)
+ * @fm_flags: FIEMAP_FLAG_* flags for request (in/out)
+ * @fm_mapped_extents: number of extents that were mapped (out)
+ * @fm_extent_count: size of fm_extents array (in)
+ * @fm_extents: array of mapped extents (out)
+ */
+struct fiemap {
+	__u64 fm_start;
+	__u64 fm_length;
+	__u32 fm_flags;
+	__u32 fm_mapped_extents;
+	__u32 fm_extent_count;
+	/* private: */
+	__u32 fm_reserved;
+	/* public: */
+	struct fiemap_extent fm_extents[];
+};
+
+#define FIEMAP_MAX_OFFSET (~0ULL)
+
+/* flags used in fm_flags: */
+#define FIEMAP_FLAG_SYNC  0x00000001 /* sync file data before map */
+#define FIEMAP_FLAG_XATTR 0x00000002 /* map extended attribute tree */
+#define FIEMAP_FLAG_CACHE 0x00000004 /* request caching of the extents */
+
+#define FIEMAP_FLAGS_COMPAT (FIEMAP_FLAG_SYNC | FIEMAP_FLAG_XATTR)
+
+/* flags used in fe_flags: */
+#define FIEMAP_EXTENT_LAST    0x00000001 /* Last extent in file. */
+#define FIEMAP_EXTENT_UNKNOWN 0x00000002 /* Data location unknown. */
+#define FIEMAP_EXTENT_DELALLOC                \
+	0x00000004 /* Location still pending. \
+		    * Sets EXTENT_UNKNOWN. */
+#define FIEMAP_EXTENT_ENCODED              \
+	0x00000008 /* Data can not be read \
+		    * while fs is unmounted */
+#define FIEMAP_EXTENT_DATA_ENCRYPTED           \
+	0x00000080 /* Data is encrypted by fs. \
+		    * Sets EXTENT_NO_BYPASS. */
+#define FIEMAP_EXTENT_NOT_ALIGNED               \
+	0x00000100 /* Extent offsets may not be \
+		    * block aligned. */
+#define FIEMAP_EXTENT_DATA_INLINE               \
+	0x00000200 /* Data mixed with metadata. \
+		    * Sets EXTENT_NOT_ALIGNED.*/
+#define FIEMAP_EXTENT_DATA_TAIL                \
+	0x00000400 /* Multiple files in block. \
+		    * Sets EXTENT_NOT_ALIGNED.*/
+#define FIEMAP_EXTENT_UNWRITTEN            \
+	0x00000800 /* Space allocated, but \
+		    * no data (i.e. zero). */
+#define FIEMAP_EXTENT_MERGED                  \
+	0x00001000 /* File does not natively  \
+		    * support extents. Result \
+		    * merged for efficiency. */
+#define FIEMAP_EXTENT_SHARED                  \
+	0x00002000 /* Space shared with other \
+		    * files. */
+
+#endif /* _LINUX_FIEMAP_H */