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/cn_proc.h b/original/uapi/linux/cn_proc.h
new file mode 100644
index 0000000..f6c2710
--- /dev/null
+++ b/original/uapi/linux/cn_proc.h
@@ -0,0 +1,129 @@
+/*
+ * cn_proc.h - process events connector
+ *
+ * Copyright (C) Matt Helsley, IBM Corp. 2005
+ * Based on cn_fork.h by Nguyen Anh Quynh and Guillaume Thouvenin
+ * Copyright (C) 2005 Nguyen Anh Quynh <aquynh@gmail.com>
+ * Copyright (C) 2005 Guillaume Thouvenin <guillaume.thouvenin@bull.net>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef _UAPICN_PROC_H
+#define _UAPICN_PROC_H
+
+#include <linux/types.h>
+
+/*
+ * Userspace sends this enum to register with the kernel that it is listening
+ * for events on the connector.
+ */
+enum proc_cn_mcast_op {
+	PROC_CN_MCAST_LISTEN = 1,
+	PROC_CN_MCAST_IGNORE = 2
+};
+
+/*
+ * From the user's point of view, the process
+ * ID is the thread group ID and thread ID is the internal
+ * kernel "pid". So, fields are assigned as follow:
+ *
+ *  In user space     -  In  kernel space
+ *
+ * parent process ID  =  parent->tgid
+ * parent thread  ID  =  parent->pid
+ * child  process ID  =  child->tgid
+ * child  thread  ID  =  child->pid
+ */
+
+struct proc_event {
+	enum what {
+		/* Use successive bits so the enums can be used to record
+		 * sets of events as well
+		 */
+		PROC_EVENT_NONE = 0x00000000,
+		PROC_EVENT_FORK = 0x00000001,
+		PROC_EVENT_EXEC = 0x00000002,
+		PROC_EVENT_UID  = 0x00000004,
+		PROC_EVENT_GID  = 0x00000040,
+		PROC_EVENT_SID  = 0x00000080,
+		PROC_EVENT_PTRACE = 0x00000100,
+		PROC_EVENT_COMM = 0x00000200,
+		/* "next" should be 0x00000400 */
+		/* "last" is the last process event: exit,
+		 * while "next to last" is coredumping event */
+		PROC_EVENT_COREDUMP = 0x40000000,
+		PROC_EVENT_EXIT = 0x80000000
+	} what;
+	__u32 cpu;
+	__u64 __attribute__((aligned(8))) timestamp_ns;
+		/* Number of nano seconds since system boot */
+	union { /* must be last field of proc_event struct */
+		struct {
+			__u32 err;
+		} ack;
+
+		struct fork_proc_event {
+			__kernel_pid_t parent_pid;
+			__kernel_pid_t parent_tgid;
+			__kernel_pid_t child_pid;
+			__kernel_pid_t child_tgid;
+		} fork;
+
+		struct exec_proc_event {
+			__kernel_pid_t process_pid;
+			__kernel_pid_t process_tgid;
+		} exec;
+
+		struct id_proc_event {
+			__kernel_pid_t process_pid;
+			__kernel_pid_t process_tgid;
+			union {
+				__u32 ruid; /* task uid */
+				__u32 rgid; /* task gid */
+			} r;
+			union {
+				__u32 euid;
+				__u32 egid;
+			} e;
+		} id;
+
+		struct sid_proc_event {
+			__kernel_pid_t process_pid;
+			__kernel_pid_t process_tgid;
+		} sid;
+
+		struct ptrace_proc_event {
+			__kernel_pid_t process_pid;
+			__kernel_pid_t process_tgid;
+			__kernel_pid_t tracer_pid;
+			__kernel_pid_t tracer_tgid;
+		} ptrace;
+
+		struct comm_proc_event {
+			__kernel_pid_t process_pid;
+			__kernel_pid_t process_tgid;
+			char           comm[16];
+		} comm;
+
+		struct coredump_proc_event {
+			__kernel_pid_t process_pid;
+			__kernel_pid_t process_tgid;
+		} coredump;
+
+		struct exit_proc_event {
+			__kernel_pid_t process_pid;
+			__kernel_pid_t process_tgid;
+			__u32 exit_code, exit_signal;
+		} exit;
+
+	} event_data;
+};
+
+#endif /* _UAPICN_PROC_H */