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errors.h
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errors.h
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// Copyright(c) 2018, Intel Corporation
//
// 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.
// * Neither the name of Intel Corporation nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
#pragma once
#include <opae/cxx/core/token.h>
#include <opae/types_enum.h>
#include <memory>
namespace opae {
namespace fpga {
namespace types {
/**
* @brief An error object represents an error register for a resource.
* This is used to read out the raw value in the register. No parsing is
* done by this class.
*/
class error {
public:
typedef std::shared_ptr<error> ptr_t;
error(const error &e) = delete;
error &operator=(const error &e) = delete;
/**
* @brief Factory function for creating an error object.
*
* @param tok The token object representing a resource.
* @param num The index of the error register. This must be lower than the
* num_errors property of the resource.
*
* @return A shared_ptr containing the error object
*/
static error::ptr_t get(token::ptr_t tok, uint32_t num);
/**
* @brief Get the error register name.
*
* @return A std::string object set to the error name.
*/
std::string name() { return error_info_.name; }
/**
* @brief Indicates whether an error register can be cleared.
*
* @return A boolean value indicating if the error register can be cleared.
*/
bool can_clear() { return error_info_.can_clear; }
/**
* @brief Read the raw value contained in the associated error register.
*
* @return A 64-bit value (unparsed) read from the error register
*/
uint64_t read_value();
~error() {}
/**
* @brief Get the C data structure
*
* @return The fpga_error_info that contains the name and the can_clear
* boolean.
*/
fpga_error_info c_type() const { return error_info_; }
private:
error(token::ptr_t token, uint32_t num);
token::ptr_t token_;
fpga_error_info error_info_;
uint32_t error_num_;
};
} // end of namespace types
} // end of namespace fpga
} // end of namespace opae