Subversion Repositories HelenOS

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Ignore whitespace Rev 4400 → Rev 4401

/trunk/uspace/lib/libblock/libblock.c
146,9 → 146,8
if (!com_area) {
return ENOMEM;
}
dev_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAP,
DEVMAP_CONNECT_TO_DEVICE, dev_handle);
 
dev_phone = devmap_device_connect(dev_handle, IPC_FLAG_BLOCKING);
if (dev_phone < 0) {
munmap(com_area, com_size);
return dev_phone;
/trunk/uspace/lib/libc/include/vfs/vfs.h
40,7 → 40,7
extern char *absolutize(const char *, size_t *);
 
extern int mount(const char *, const char *, const char *, const char *,
const unsigned int flags);
unsigned int flags);
 
#endif
 
/trunk/uspace/lib/libc/include/devmap.h
0,0 → 1,52
/*
* Copyright (c) 2009 Jiri Svoboda
* 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 libc
* @{
*/
/** @file
*/
 
#ifndef LIBC_DEVMAP_H_
#define LIBC_DEVMAP_H_
 
#include <ipc/devmap.h>
#include <async.h>
 
typedef int dev_handle_t;
 
extern int devmap_driver_register(const char *, async_client_conn_t);
extern int devmap_device_get_handle(const char *, dev_handle_t *,
unsigned int);
extern int devmap_device_connect(dev_handle_t, unsigned int);
extern int devmap_device_register(int, const char *, int *);
 
#endif
 
/** @}
*/
/trunk/uspace/lib/libc/include/ipc/devmap.h
33,6 → 33,7
#ifndef DEVMAP_DEVMAP_H_
#define DEVMAP_DEVMAP_H_
 
#include <atomic.h>
#include <ipc/ipc.h>
#include <libadt/list.h>
 
/trunk/uspace/lib/libc/generic/devmap.c
0,0 → 1,179
/*
* Copyright (c) 2007 Josef Cejka
* Copyright (c) 2009 Jiri Svoboda
* 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.
*/
 
#include <string.h>
#include <ipc/ipc.h>
#include <ipc/services.h>
#include <ipc/devmap.h>
#include <devmap.h>
#include <async.h>
#include <errno.h>
 
static int devmap_phone = -1;
 
/** Get phone to device mapper task. */
static int devmap_get_phone(unsigned int flags)
{
int phone;
 
if (devmap_phone >= 0)
return devmap_phone;
 
if (flags & IPC_FLAG_BLOCKING) {
phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAP,
DEVMAP_CLIENT, 0);
} else {
phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP,
DEVMAP_CLIENT, 0);
}
 
if (phone < 0)
return phone;
 
devmap_phone = phone;
return phone;
}
 
/** Register new driver with devmap. */
int devmap_driver_register(const char *name, async_client_conn_t conn)
{
ipcarg_t retval;
aid_t req;
ipc_call_t answer;
int phone;
ipcarg_t callback_phonehash;
 
phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAP,
DEVMAP_DRIVER, 0);
 
if (phone < 0) {
return phone;
}
req = async_send_2(phone, DEVMAP_DRIVER_REGISTER, 0, 0, &answer);
retval = ipc_data_write_start(phone, name, str_size(name) + 1);
 
if (retval != EOK) {
async_wait_for(req, NULL);
ipc_hangup(phone);
return -1;
}
 
async_set_client_connection(conn);
 
ipc_connect_to_me(phone, 0, 0, 0, &callback_phonehash);
async_wait_for(req, &retval);
 
return phone;
}
 
int devmap_device_get_handle(const char *name, dev_handle_t *handle,
unsigned int flags)
{
ipcarg_t retval;
aid_t req;
ipc_call_t answer;
int phone;
 
phone = devmap_get_phone(flags);
if (phone < 0)
return phone;
 
req = async_send_2(phone, DEVMAP_DEVICE_GET_HANDLE, flags, 0,
&answer);
 
retval = ipc_data_write_start(phone, name, str_size(name) + 1);
 
if (retval != EOK) {
async_wait_for(req, NULL);
return retval;
}
 
async_wait_for(req, &retval);
 
if (retval != EOK) {
if (handle != NULL)
*handle = -1;
return retval;
}
 
if (handle != NULL)
*handle = (int) IPC_GET_ARG1(answer);
 
return retval;
}
 
int devmap_device_connect(dev_handle_t handle, unsigned int flags)
{
int phone;
 
if (flags & IPC_FLAG_BLOCKING) {
phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAP,
DEVMAP_CONNECT_TO_DEVICE, handle);
} else {
phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP,
DEVMAP_CONNECT_TO_DEVICE, handle);
}
 
return phone;
}
 
/** Register new device.
*
* @param driver_phone
* @param name Device name.
* @param handle Output: Handle to the created instance of device.
*/
int devmap_device_register(int driver_phone, const char *name, int *handle)
{
ipcarg_t retval;
aid_t req;
ipc_call_t answer;
 
req = async_send_2(driver_phone, DEVMAP_DEVICE_REGISTER, 0, 0,
&answer);
 
retval = ipc_data_write_start(driver_phone, name, str_size(name) + 1);
 
if (retval != EOK) {
async_wait_for(req, NULL);
return retval;
}
 
async_wait_for(req, &retval);
 
if (retval != EOK) {
if (handle != NULL)
*handle = -1;
return retval;
}
 
*handle = (int) IPC_GET_ARG1(answer);
return retval;
}
/trunk/uspace/lib/libc/generic/vfs/vfs.c
48,7 → 48,7
#include <futex.h>
#include <errno.h>
#include <string.h>
#include <ipc/devmap.h>
#include <devmap.h>
#include "../../../srv/vfs/vfs.h"
 
int vfs_phone = -1;
115,47 → 115,8
vfs_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VFS, 0, 0);
}
 
static int device_get_handle(const char *name, dev_handle_t *handle,
const unsigned int flags)
{
int phone;
if (flags & IPC_FLAG_BLOCKING)
phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CLIENT, 0);
else
phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CLIENT, 0);
if (phone < 0)
return phone;
ipc_call_t answer;
aid_t req = async_send_2(phone, DEVMAP_DEVICE_GET_HANDLE, flags, 0,
&answer);
ipcarg_t retval = ipc_data_write_start(phone, name, str_size(name) + 1);
if (retval != EOK) {
async_wait_for(req, NULL);
ipc_hangup(phone);
return retval;
}
async_wait_for(req, &retval);
if (handle != NULL)
*handle = -1;
if (retval == EOK) {
if (handle != NULL)
*handle = (dev_handle_t) IPC_GET_ARG1(answer);
}
ipc_hangup(phone);
return retval;
}
 
int mount(const char *fs_name, const char *mp, const char *dev,
const char *opts, const unsigned int flags)
const char *opts, unsigned int flags)
{
int res;
ipcarg_t rc;
162,7 → 123,7
aid_t req;
dev_handle_t dev_handle;
res = device_get_handle(dev, &dev_handle, flags);
res = devmap_device_get_handle(dev, &dev_handle, flags);
if (res != EOK)
return res;
/trunk/uspace/lib/libc/Makefile
47,6 → 47,7
generic/as.c \
generic/cap.c \
generic/console.c \
generic/devmap.c \
generic/event.c \
generic/mem.c \
generic/string.c \