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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/attn/attnops.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* 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 __ATTN_ATTNOPS_H
#define __ATTN_ATTNOPS_H
/**
* @file attnops.H
*
* @brief HBATTN Attention and AttentionOps definitions.
*/
#include "attnfwd.H"
namespace ATTN
{
/**
* @brief AttentionOps Interface specification.
*
* For types that implement mask, unmask and query operations.
*/
class AttentionOps
{
public:
/**
* @brief dtor
*/
virtual ~AttentionOps() {}
/**
* @brief AttnOpsTest Provide access to unit test.
*/
friend class AttnOpsTest;
};
/**
* @brief Attention Operation router.
*
* Routes Attention mask, unmask and query operations
* to the correct handler.
*/
class Attention
{
public:
/**
* @brief getData Convert this attention to PRDF::AttnData.
*
* @param[out] o_data Converted attention.
*/
void getData(PRDF::AttnData & o_data) const
{
o_data = iv_data;
}
/**
* @brief compare Compare two attentions.
*
* @param[in] i_rhs The other attention.
*
* @retval[-1] This attention is less than the other attention.
* @retval[1] This attention is greather than the other attention.
* @retval[0] This attention is equivalent to the other attention.
*/
int64_t compare(const Attention & i_rhs) const;
/**
* @brief ctor
*
* @param[in] i_data The PRDF::AttnData representation of the attention.
* @param[in] i_ops The AttentionOps instance to which operations
* should be routed.
*/
Attention(const PRDF::AttnData & i_data,
AttentionOps * i_ops)
: iv_data(i_data), iv_ops(i_ops) {}
private:
/**
* @brief iv_data The PRDF::AttnData representation of the attention.
*/
PRDF::AttnData iv_data;
/**
* @brief iv_ops The AttentionOps instance to which operations
* should be routed.
*/
AttentionOps * iv_ops;
/**
* @brief AttnOpsTest Provide access to unit test.
*/
friend class ::AttnOpsTest;
};
/**
* @brief operator< Test two attentions for less than.
*
* @param[in] i_lhs The left hand side of the comparison.
* @param[in] i_rhs The right hand side of the comparison.
*
* @retval[true] i_lhs is less than i_rhs.
* @retval[false] i_lhs is not less than i_rhs.
*/
inline bool operator<(const Attention & i_lhs, const Attention & i_rhs)
{
return i_lhs.compare(i_rhs) < 0;
}
}
#endif
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