/*
* Copyright (c) 2006 Ondrej Palkovsky
* Copyright (c) 2012 Jakub Jermar
* 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.
*/
/** @addtogroup kernel_generic_ipc
* @{
*/
/** @file
*/
#include <ipc/sysipc_ops.h>
#include <ipc/ipc.h>
#include <ipc/ipcrsc.h>
#include <abi/errno.h>
#include <arch.h>
static int request_process(call_t *call, answerbox_t *box)
{
cap_phone_handle_t phandle = CAP_NIL;
kobject_t *pobj = NULL;
errno_t rc = phone_alloc(TASK, false, &phandle, &pobj);
if (rc == EOK) {
/*
* Set the sender-assigned label to the new phone.
*/
pobj->phone->label = ipc_get_arg5(&call->data);
}
call->priv = (sysarg_t) pobj;
ipc_set_arg5(&call->data, cap_handle_raw(phandle));
return 0;
}
static errno_t answer_cleanup(call_t *answer, ipc_data_t *olddata)
{
cap_phone_handle_t phandle = (cap_handle_t) ipc_get_arg5(olddata);
kobject_t *pobj = (kobject_t *) answer->priv;
if (cap_handle_valid(phandle)) {
kobject_put(pobj);
cap_free(TASK, phandle);
}
return EOK;
}
static errno_t answer_preprocess(call_t *answer, ipc_data_t *olddata)
{
cap_phone_handle_t phandle = (cap_handle_t) ipc_get_arg5(olddata);
kobject_t *pobj = (kobject_t *) answer->priv;
if (ipc_get_retval(&answer->data) != EOK) {
/* The connection was not accepted */
answer_cleanup(answer, olddata);
} else if (cap_handle_valid(phandle)) {
/*
* The connection was accepted
*/
/*
* We need to create another reference as the one we have now
* will be consumed by ipc_phone_connect().
*/
kobject_add_ref(pobj);
if (ipc_phone_connect(pobj->phone,
&answer->sender->answerbox)) {
/* Pass the reference to the capability */
cap_publish(TASK, phandle, pobj);
} else {
/* The answerbox is shutting down. */
ipc_set_retval(&answer->data, ENOENT);
answer_cleanup(answer, olddata);
}
} else {
ipc_set_retval(&answer->data, ELIMIT);
}
return EOK;
}
sysipc_ops_t ipc_m_connect_to_me_ops = {
.request_preprocess = null_request_preprocess,
.request_forget = null_request_forget,
.request_process = request_process,
.answer_cleanup = answer_cleanup,
.answer_preprocess = answer_preprocess,
.answer_process = null_answer_process,
};
/** @}
*/