1e2be04c7SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 283596729SDavid Howells /* 383596729SDavid Howells * include/asm-xtensa/msgbuf.h 483596729SDavid Howells * 583596729SDavid Howells * The msqid64_ds structure for the Xtensa architecture. 683596729SDavid Howells * Note extra padding because this structure is passed back and forth 783596729SDavid Howells * between kernel and user space. 883596729SDavid Howells * 983596729SDavid Howells * Pad space is left for: 1083596729SDavid Howells * - 2 miscellaneous 32-bit values 1183596729SDavid Howells * 1283596729SDavid Howells * This file is subject to the terms and conditions of the GNU General 1383596729SDavid Howells * Public License. See the file "COPYING" in the main directory of 1483596729SDavid Howells * this archive for more details. 1583596729SDavid Howells */ 1683596729SDavid Howells 1783596729SDavid Howells #ifndef _XTENSA_MSGBUF_H 1883596729SDavid Howells #define _XTENSA_MSGBUF_H 1983596729SDavid Howells 20*9ef0e004SMasahiro Yamada #include <asm/ipcbuf.h> 21*9ef0e004SMasahiro Yamada 2283596729SDavid Howells struct msqid64_ds { 2383596729SDavid Howells struct ipc64_perm msg_perm; 2483596729SDavid Howells #ifdef __XTENSA_EB__ 25b497ef57SArnd Bergmann unsigned long msg_stime_high; 26b497ef57SArnd Bergmann unsigned long msg_stime; /* last msgsnd time */ 27b497ef57SArnd Bergmann unsigned long msg_rtime_high; 28b497ef57SArnd Bergmann unsigned long msg_rtime; /* last msgrcv time */ 29b497ef57SArnd Bergmann unsigned long msg_ctime_high; 30b497ef57SArnd Bergmann unsigned long msg_ctime; /* last change time */ 3183596729SDavid Howells #elif defined(__XTENSA_EL__) 32b497ef57SArnd Bergmann unsigned long msg_stime; /* last msgsnd time */ 33b497ef57SArnd Bergmann unsigned long msg_stime_high; 34b497ef57SArnd Bergmann unsigned long msg_rtime; /* last msgrcv time */ 35b497ef57SArnd Bergmann unsigned long msg_rtime_high; 36b497ef57SArnd Bergmann unsigned long msg_ctime; /* last change time */ 37b497ef57SArnd Bergmann unsigned long msg_ctime_high; 3883596729SDavid Howells #else 3983596729SDavid Howells # error processor byte order undefined! 4083596729SDavid Howells #endif 4183596729SDavid Howells unsigned long msg_cbytes; /* current number of bytes on queue */ 4283596729SDavid Howells unsigned long msg_qnum; /* number of messages in queue */ 4383596729SDavid Howells unsigned long msg_qbytes; /* max number of bytes on queue */ 4483596729SDavid Howells __kernel_pid_t msg_lspid; /* pid of last msgsnd */ 4583596729SDavid Howells __kernel_pid_t msg_lrpid; /* last receive pid */ 4683596729SDavid Howells unsigned long __unused4; 4783596729SDavid Howells unsigned long __unused5; 4883596729SDavid Howells }; 4983596729SDavid Howells 5083596729SDavid Howells #endif /* _XTENSA_MSGBUF_H */ 51