Add build system scaffolding and libc headers

1 files changed, 45 insertions, 0 deletions

diff --git a/include/arch/x86_64/linux/uio.h b/include/arch/x86_64/linux/uio.h
new file mode 100644
index 00000000..42e7ffd2
--- /dev/null
+++ b/include/arch/x86_64/linux/uio.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ *	Berkeley style UIO structures	-	Alan Cox 1994.
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ */
+#ifndef __LINUX_UIO_H
+#define __LINUX_UIO_H
+
+#include <linux/types.h>
+
+struct iovec {
+	void *iov_base; /* BSD uses caddr_t (1003.1g requires void *) */
+	__kernel_size_t iov_len; /* Must be size_t (1003.1g) */
+};
+
+struct dmabuf_cmsg {
+	__u64 frag_offset; /* offset into the dmabuf where the frag starts.
+			    */
+	__u32 frag_size;   /* size of the frag. */
+	__u32 frag_token;  /* token representing this frag for
+			    * DEVMEM_DONTNEED.
+			    */
+	__u32 dmabuf_id;   /* dmabuf id this frag belongs to. */
+	__u32 flags;	   /* Currently unused. Reserved for future
+			    * uses.
+			    */
+};
+
+struct dmabuf_token {
+	__u32 token_start;
+	__u32 token_count;
+};
+
+/*
+ *	UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1)
+ */
+
+#define UIO_FASTIOV 8
+#define UIO_MAXIOV  1024
+
+#endif /* __LINUX_UIO_H */