arch/xtensa/include/uapi/asm/msgbuf.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * include/asm-xtensa/msgbuf.h
   4  *
   5  * The msqid64_ds structure for the Xtensa architecture.
   6  * Note extra padding because this structure is passed back and forth
   7  * between kernel and user space.
   8  *
   9  * Pad space is left for:
  10  * - 2 miscellaneous 32-bit values
  11  *
  12  * This file is subject to the terms and conditions of the GNU General
  13  * Public License.  See the file "COPYING" in the main directory of
  14  * this archive for more details.
  15  */
  16
  17 #ifndef _XTENSA_MSGBUF_H
  18 #define _XTENSA_MSGBUF_H
  19
  20 #include <asm/ipcbuf.h>
  21
  22 struct msqid64_ds {
  23         struct ipc64_perm msg_perm;
  24 #ifdef __XTENSA_EB__
  25         unsigned long  msg_stime_high;
  26         unsigned long  msg_stime;       /* last msgsnd time */
  27         unsigned long  msg_rtime_high;
  28         unsigned long  msg_rtime;       /* last msgrcv time */
  29         unsigned long  msg_ctime_high;
  30         unsigned long  msg_ctime;       /* last change time */
  31 #elif defined(__XTENSA_EL__)
  32         unsigned long  msg_stime;       /* last msgsnd time */
  33         unsigned long  msg_stime_high;
  34         unsigned long  msg_rtime;       /* last msgrcv time */
  35         unsigned long  msg_rtime_high;
  36         unsigned long  msg_ctime;       /* last change time */
  37         unsigned long  msg_ctime_high;
  38 #else
  39 # error processor byte order undefined!
  40 #endif
  41         unsigned long  msg_cbytes;      /* current number of bytes on queue */
  42         unsigned long  msg_qnum;        /* number of messages in queue */
  43         unsigned long  msg_qbytes;      /* max number of bytes on queue */
  44         __kernel_pid_t msg_lspid;       /* pid of last msgsnd */
  45         __kernel_pid_t msg_lrpid;       /* last receive pid */
  46         unsigned long  __unused4;
  47         unsigned long  __unused5;
  48 };
  49
  50 #endif  /* _XTENSA_MSGBUF_H */