ipc.h

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/*
 * Copyright (C) 2006 Ondrej Palkovsky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __LIBIPC_IPC_H__
#define __LIBIPC_IPC_H__

#include <kernel/ipc/ipc.h>
#include <kernel/ipc/irq.h>
#include <libc.h>
#include <types.h>
#include <kernel/synch/synch.h>

typedef sysarg_t ipcarg_t;
typedef struct {
        ipcarg_t args[IPC_CALL_LEN];
        ipcarg_t in_phone_hash;
} ipc_call_t ;
typedef sysarg_t ipc_callid_t;

typedef void (* ipc_async_callback_t)(void *private, int retval,
                                      ipc_call_t *data);

#define ipc_call_sync_2(phoneid, method, arg1, arg2, res1, res2) ipc_call_sync_3((phoneid), (method), (arg1), (arg2), 0, (res1), (res2), 0)
extern int ipc_call_sync_3(int phoneid, ipcarg_t method, ipcarg_t arg1,
                           ipcarg_t arg2, ipcarg_t arg3,
                           ipcarg_t *result1, ipcarg_t *result2, 
                           ipcarg_t *result3);


extern int ipc_call_sync(int phoneid, ipcarg_t method, ipcarg_t arg1,
                         ipcarg_t *result);
extern ipc_callid_t ipc_wait_cycle(ipc_call_t *call, uint32_t usec, int flags);
extern ipc_callid_t ipc_wait_for_call_timeout(ipc_call_t *data, uint32_t usec);
static inline ipc_callid_t ipc_wait_for_call(ipc_call_t *data)
{
        return ipc_wait_for_call_timeout(data, SYNCH_NO_TIMEOUT);
}
extern ipc_callid_t ipc_trywait_for_call(ipc_call_t *data);

extern ipcarg_t ipc_answer_fast(ipc_callid_t callid, ipcarg_t retval, ipcarg_t arg1,
                           ipcarg_t arg2);
extern ipcarg_t ipc_answer(ipc_callid_t callid, ipc_call_t *call);

#define ipc_call_async(phoneid,method,arg1,private, callback,can_preempt) (ipc_call_async_2(phoneid, method, arg1, 0, private, callback, can_preempt))
extern void ipc_call_async_2(int phoneid, ipcarg_t method, ipcarg_t arg1,
                      ipcarg_t arg2, void *private,
                      ipc_async_callback_t callback, int can_preempt);
extern void ipc_call_async_3(int phoneid, ipcarg_t method, ipcarg_t arg1,
                             ipcarg_t arg2, ipcarg_t arg3, void *private,
                             ipc_async_callback_t callback, int can_preempt);

extern int ipc_connect_to_me(int phoneid, int arg1, int arg2, ipcarg_t *phone);
extern int ipc_connect_me_to(int phoneid, int arg1, int arg2);
extern int ipc_hangup(int phoneid);
extern int ipc_register_irq(int irq, irq_code_t *code);
extern int ipc_unregister_irq(int irq);
extern int ipc_forward_fast(ipc_callid_t callid, int phoneid, int method, ipcarg_t arg1);

#endif

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