From 9a8fd5589902153a134111ed7a40f9cca1f83254 Mon Sep 17 00:00:00 2001 From: Chris Zankel Date: Thu, 23 Jun 2005 22:01:26 -0700 Subject: [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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-xtensa/msgbuf.h | 48 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 include/asm-xtensa/msgbuf.h (limited to 'include/asm-xtensa/msgbuf.h') diff --git a/include/asm-xtensa/msgbuf.h b/include/asm-xtensa/msgbuf.h new file mode 100644 index 00000000000..693c9675528 --- /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 */ -- cgit v1.2.3