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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/runtime/tceif.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2013,2014 */
/* */
/* 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 __TCEIF_H
#define __TCEIF_H
#include <stdint.h>
#include <builtins.h>
#include <errl/errlentry.H>
#include <devicefw/userif.H>
#define TCE_TRACE_NAME "TCE"
namespace TCE
{
/**
* @brief Responsible for initalizing the TCE entries
*
* @return errl - Return Error Handle if failed.
*
*/
errlHndl_t createTceTable();
/**
* @brief Responsible for setting up the Processors to point to the TCE
* table
*
* @return errl - Return Error Handle if failed.
*
*/
errlHndl_t initTceInHdw();
/**
* @brief Responsible for allocating TCE Entries
*
* @param[in] i_startingAddress - Starting address to TCE
* @param[in] i_size - Size of the address space
* @param[out] startingToken - Starting Entry into the table.
* (this is an offset into the array based on the
* TCE index * PAGESIZE. Each TCE entry maps to a
* pagesize of memory)
*
* Note: Must run createTceTable and InitTceInHdw or allocate will not work
*
* @return errl - Return Error Handle if failed.
*
*/
errlHndl_t allocateTces(uint64_t startingAddress, uint64_t size, uint64_t&
startingToken);
/**
* @brief Responsible for deallocating TCE Entries
*
* @param[in] i_startingToken - Token indicating the starting entry to
* remove
* @param[in] i_size - Size of memory space to remove TCE entries
* associated
*
* @return errl - Return Error Handle if fatal failure occurred.
*
*/
errlHndl_t deallocateTces(uint64_t startingToken, uint64_t size);
};
#endif
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