[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 6
The attached patches provides part 6 of an architecture implementation for the
Tensilica Xtensa CPU series.
Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-xtensa/msgbuf.h b/include/asm-xtensa/msgbuf.h
new file mode 100644
index 0000000..693c967
--- /dev/null
+++ b/include/asm-xtensa/msgbuf.h
@@ -0,0 +1,48 @@
+/*
+ * include/asm-xtensa/msgbuf.h
+ *
+ * The msqid64_ds structure for the Xtensa architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of
+ * this archive for more details.
+ */
+
+#ifndef _XTENSA_MSGBUF_H
+#define _XTENSA_MSGBUF_H
+
+struct msqid64_ds {
+ struct ipc64_perm msg_perm;
+#ifdef __XTENSA_EB__
+ unsigned int __unused1;
+ __kernel_time_t msg_stime; /* last msgsnd time */
+ unsigned int __unused2;
+ __kernel_time_t msg_rtime; /* last msgrcv time */
+ unsigned int __unused3;
+ __kernel_time_t msg_ctime; /* last change time */
+#elif defined(__XTENSA_EL__)
+ __kernel_time_t msg_stime; /* last msgsnd time */
+ unsigned int __unused1;
+ __kernel_time_t msg_rtime; /* last msgrcv time */
+ unsigned int __unused2;
+ __kernel_time_t msg_ctime; /* last change time */
+ unsigned int __unused3;
+#else
+# error processor byte order undefined!
+#endif
+ unsigned long msg_cbytes; /* current number of bytes on queue */
+ unsigned long msg_qnum; /* number of messages in queue */
+ unsigned long msg_qbytes; /* max number of bytes on queue */
+ __kernel_pid_t msg_lspid; /* pid of last msgsnd */
+ __kernel_pid_t msg_lrpid; /* last receive pid */
+ unsigned long __unused4;
+ unsigned long __unused5;
+};
+
+#endif /* _XTENSA_MSGBUF_H */