Initial drop of uapi aarch64 and common headers.

Retrieved from linux-3.11.4

Change-Id: I5a0c11490ab672f775d14642b26f5f4ba43c5143

Conflicts:
	original/uapi/linux/kexec.h
diff --git a/original/uapi/linux/coda_psdev.h b/original/uapi/linux/coda_psdev.h
new file mode 100644
index 0000000..79d0598
--- /dev/null
+++ b/original/uapi/linux/coda_psdev.h
@@ -0,0 +1,27 @@
+#ifndef _UAPI__CODA_PSDEV_H
+#define _UAPI__CODA_PSDEV_H
+
+#include <linux/magic.h>
+
+#define CODA_PSDEV_MAJOR 67
+#define MAX_CODADEVS  5	   /* how many do we allow */
+
+
+/* messages between coda filesystem in kernel and Venus */
+struct upc_req {
+	struct list_head    uc_chain;
+	caddr_t	            uc_data;
+	u_short	            uc_flags;
+	u_short             uc_inSize;  /* Size is at most 5000 bytes */
+	u_short	            uc_outSize;
+	u_short	            uc_opcode;  /* copied from data to save lookup */
+	int		    uc_unique;
+	wait_queue_head_t   uc_sleep;   /* process' wait queue */
+};
+
+#define CODA_REQ_ASYNC  0x1
+#define CODA_REQ_READ   0x2
+#define CODA_REQ_WRITE  0x4
+#define CODA_REQ_ABORT  0x8
+
+#endif /* _UAPI__CODA_PSDEV_H */