asm-generic: add generic sysv ipc headers

header-y += errno.h

header-y += fcntl.h

header-y += ioctl.h

header-y += ipcbuf.h

header-y += mman-common.h

header-y += msgbuf.h

header-y += poll.h

header-y += sembuf.h

header-y += shmbuf.h

header-y += shmparam.h

header-y += signal-defs.h

header-y += statfs.h

#ifndef __ASM_GENERIC_IPCBUF_H

#define __ASM_GENERIC_IPCBUF_H

/*

 * The generic ipc64_perm structure:

 * Note extra padding because this structure is passed back and forth

 * between kernel and user space.

 *

 * ipc64_perm was originally meant to be architecture specific, but

 * everyone just ended up making identical copies without specific

 * optimizations, so we may just as well all use the same one.

 *

 * Pad space is left for:

 * - 32-bit mode_t on architectures that only had 16 bit

 * - 32-bit seq

 * - 2 miscellaneous 32-bit values

 */

struct ipc64_perm {

	__kernel_key_t		key;

	__kernel_uid32_t	uid;

	__kernel_gid32_t	gid;

	__kernel_uid32_t	cuid;

	__kernel_gid32_t	cgid;

	__kernel_mode_t		mode;

				/* pad if mode_t is u16: */

	unsigned char		__pad1[4 - sizeof(__kernel_mode_t)];

	unsigned short		seq;

	unsigned short		__pad2;

	unsigned long		__unused1;

	unsigned long		__unused2;

};

#endif /* __ASM_GENERIC_IPCBUF_H */

#ifndef __ASM_GENERIC_MSGBUF_H

#define __ASM_GENERIC_MSGBUF_H

#include <asm/bitsperlong.h>

/*

 * generic msqid64_ds structure.

 *

 * Note extra padding because this structure is passed back and forth

 * between kernel and user space.

 *

 * msqid64_ds was originally meant to be architecture specific, but

 * everyone just ended up making identical copies without specific

 * optimizations, so we may just as well all use the same one.

 *

 * 64 bit architectures typically define a 64 bit __kernel_time_t,

 * so they do not need the first three padding words.

 * On big-endian systems, the padding is in the wrong place.

 *

 * Pad space is left for:

 * - 64-bit time_t to solve y2038 problem

 * - 2 miscellaneous 32-bit values

 */

struct msqid64_ds {

	struct ipc64_perm msg_perm;

	__kernel_time_t msg_stime;	/* last msgsnd time */

#if __BITS_PER_LONG != 64

	unsigned long	__unused1;

#endif

	__kernel_time_t msg_rtime;	/* last msgrcv time */

#if __BITS_PER_LONG != 64

	unsigned long	__unused2;

#endif

	__kernel_time_t msg_ctime;	/* last change time */

#if __BITS_PER_LONG != 64

	unsigned long	__unused3;

#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 /* __ASM_GENERIC_MSGBUF_H */

#ifndef __ASM_GENERIC_SEMBUF_H

#define __ASM_GENERIC_SEMBUF_H

#include <asm/bitsperlong.h>

/*

 * The semid64_ds structure for x86 architecture.

 * Note extra padding because this structure is passed back and forth

 * between kernel and user space.

 *

 * semid64_ds was originally meant to be architecture specific, but

 * everyone just ended up making identical copies without specific

 * optimizations, so we may just as well all use the same one.

 *

 * 64 bit architectures typically define a 64 bit __kernel_time_t,

 * so they do not need the first two padding words.

 * On big-endian systems, the padding is in the wrong place.

 *

 * Pad space is left for:

 * - 64-bit time_t to solve y2038 problem

 * - 2 miscellaneous 32-bit values

 */

struct semid64_ds {

	struct ipc64_perm sem_perm;	/* permissions .. see ipc.h */

	__kernel_time_t	sem_otime;	/* last semop time */

#if __BITS_PER_LONG != 64

	unsigned long	__unused1;

#endif

	__kernel_time_t	sem_ctime;	/* last change time */

#if __BITS_PER_LONG != 64

	unsigned long	__unused2;

#endif

	unsigned long	sem_nsems;	/* no. of semaphores in array */

	unsigned long	__unused3;

	unsigned long	__unused4;

};

#endif /* __ASM_GENERIC_SEMBUF_H */

#ifndef __ASM_GENERIC_SHMBUF_H

#define __ASM_GENERIC_SHMBUF_H

#include <asm/bitsperlong.h>

/*

 * The shmid64_ds structure for x86 architecture.

 * Note extra padding because this structure is passed back and forth

 * between kernel and user space.

 *

 * shmid64_ds was originally meant to be architecture specific, but

 * everyone just ended up making identical copies without specific

 * optimizations, so we may just as well all use the same one.

 *

 * 64 bit architectures typically define a 64 bit __kernel_time_t,

 * so they do not need the first two padding words.

 * On big-endian systems, the padding is in the wrong place.

 *

 *

 * Pad space is left for:

 * - 64-bit time_t to solve y2038 problem

 * - 2 miscellaneous 32-bit values

 */

struct shmid64_ds {

	struct ipc64_perm	shm_perm;	/* operation perms */

	size_t			shm_segsz;	/* size of segment (bytes) */

	__kernel_time_t		shm_atime;	/* last attach time */

#if __BITS_PER_LONG != 64

	unsigned long		__unused1;

#endif

	__kernel_time_t		shm_dtime;	/* last detach time */

#if __BITS_PER_LONG != 64

	unsigned long		__unused2;

#endif

	__kernel_time_t		shm_ctime;	/* last change time */

#if __BITS_PER_LONG != 64

	unsigned long		__unused3;

#endif

	__kernel_pid_t		shm_cpid;	/* pid of creator */

	__kernel_pid_t		shm_lpid;	/* pid of last operator */

	unsigned long		shm_nattch;	/* no. of current attaches */

	unsigned long		__unused4;

	unsigned long		__unused5;

};

struct shminfo64 {

	unsigned long	shmmax;

	unsigned long	shmmin;

	unsigned long	shmmni;

	unsigned long	shmseg;

	unsigned long	shmall;

	unsigned long	__unused1;

	unsigned long	__unused2;

	unsigned long	__unused3;

	unsigned long	__unused4;

};

#endif /* __ASM_GENERIC_SHMBUF_H */