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 struct msqid64_ds {
  21         struct ipc64_perm msg_perm;
  22 #ifdef __XTENSA_EB__
  23         unsigned long  msg_stime_high;
  24         unsigned long  msg_stime;       /* last msgsnd time */
  25         unsigned long  msg_rtime_high;
  26         unsigned long  msg_rtime;       /* last msgrcv time */
  27         unsigned long  msg_ctime_high;
  28         unsigned long  msg_ctime;       /* last change time */
  29 #elif defined(__XTENSA_EL__)
  30         unsigned long  msg_stime;       /* last msgsnd time */
  31         unsigned long  msg_stime_high;
  32         unsigned long  msg_rtime;       /* last msgrcv time */
  33         unsigned long  msg_rtime_high;
  34         unsigned long  msg_ctime;       /* last change time */
  35         unsigned long  msg_ctime_high;
  36 #else
  37 # error processor byte order undefined!
  38 #endif
  39         unsigned long  msg_cbytes;      /* current number of bytes on queue */
  40         unsigned long  msg_qnum;        /* number of messages in queue */
  41         unsigned long  msg_qbytes;      /* max number of bytes on queue */
  42         __kernel_pid_t msg_lspid;       /* pid of last msgsnd */
  43         __kernel_pid_t msg_lrpid;       /* last receive pid */
  44         unsigned long  __unused4;
  45         unsigned long  __unused5;
  46 };
  47
  48 #endif  /* _XTENSA_MSGBUF_H */