/*
 * Copyright (C) 2007 Bahadir Balban
 *
 * This file contains ipc definitions that are needed for server tasks
 * to communicate with each other. For example common shared memory ids
 * between two servers, or common ipc tags used between two servers are
 * defined here.
 */
#ifndef __IPCDEFS_H__
#define __IPCDEFS_H__

#include <l4/api/ipc.h>

/* SHMID used betweeen FS0 and BLKDEV0 servers */
#define FS_BLKDEV_SHMID			0


/*** IPC Tags used between server tasks ***/

/* For ping ponging */
#define L4_IPC_TAG_WAIT			3

/* To negotiate a shared memory mapping */
#define L4_IPC_TAG_SHM			4

/* To negotiate a grant mapping */
#define L4_IPC_TAG_GRANT		5

/* Posix system call tags */
#define L4_IPC_TAG_SHMGET		6
#define L4_IPC_TAG_SHMAT		7
#define L4_IPC_TAG_SHMDT		8
#define L4_IPC_TAG_MMAP			9
#define L4_IPC_TAG_MUNMAP		10
#define L4_IPC_TAG_MSYNC		11
#define L4_IPC_TAG_OPEN			12
#define L4_IPC_TAG_READ			13
#define L4_IPC_TAG_WRITE		14
#define L4_IPC_TAG_LSEEK		15
#define L4_IPC_TAG_CLOSE		16
#define L4_IPC_TAG_BRK			17
#define L4_IPC_TAG_READDIR		18

/* Tags for ipc between fs0 and mm0 */
#define L4_IPC_TAG_PAGER_SYSOPEN	25
#define L4_IPC_TAG_TASKDATA		26

#endif /* __IPCDEFS_H__ */