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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/vfs/vfs.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2011,2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __USR_VFS_H
#define __USR_VFS_H
#include <errl/errlentry.H>
#include <sys/vfs.h>
#include <sys/sync.h>
#include <vector>
namespace VFS
{
/**
* Load or unload a module from the extended image.
* @param[in] i_module Module name
* @param[in] i_msgtype [VFS_MSG_LOAD | VFS_MSG_UNLOAD]
* @return errlHandl_t on error
*/
errlHndl_t module_load_unload(const char * i_module, VfsMessages i_msgtype);
/**
* Loads a module from the extended image and initializes it
* @param[in] i_module Module name
* @return errlHndl_t on error
*/
ALWAYS_INLINE
inline errlHndl_t module_load(const char * i_module)
{
return VFS::module_load_unload(i_module,VFS_MSG_LOAD);
}
/**
* Destroys and unloads module.
* @param[in] i_module Module name
* @return errlHndl_t on error
*/
ALWAYS_INLINE
inline errlHndl_t module_unload(const char * i_module)
{
return VFS::module_load_unload(i_module, VFS_MSG_UNLOAD);
}
/**
* Find test modules
* @param[out] list of module names
*/
void find_test_modules(std::vector<const char *> & o_list);
/**
* Test for existence of module
* @param[in] i_name module name
* @return [true|false]
*/
bool module_exists(const char * i_name);
/**
* Get the start memory address of a data module
* @param[in] module name
* @param[out] o_address memory address
* @param[out] o_size module size
* @retun error log on error
* @pre load_module() must have been called
*/
errlHndl_t module_address(const char * i_name, const char *& o_address, size_t & o_size);
/**
* Get the module name associated with an address
* @param[in] i_vaddr, The virtual address
* @returns ptr to module name or NULL if not found
*/
const char * module_find_name(const void * i_vaddr);
/**
* Query if module is loaded
* @param[in] module name
* @returns [true|false]
*/
bool module_is_loaded(const char * i_name);
};
#endif
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