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/*
* Copyright (c) 2016-2019 Advanced Micro Devices, Inc.
* All rights reserved.
*
* For use for simulation and test purposes only
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder 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 HOLDER 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.
*/
#ifndef DEV_HSA_HSA_SIGNAL_H
#define DEV_HSA_HSA_SIGNAL_H
#include <cstdint>
namespace gem5
{
// AMD Signal Kind Enumeration Values.
typedef int64_t amd_signal_kind64_t;
enum amd_signal_kind_t
{
AMD_SIGNAL_KIND_INVALID = 0,
AMD_SIGNAL_KIND_USER = 1,
AMD_SIGNAL_KIND_DOORBELL = -1,
AMD_SIGNAL_KIND_LEGACY_DOORBELL = -2
};
// AMD Signal.
typedef struct amd_signal_s
{
amd_signal_kind64_t kind;
union
{
volatile int64_t value;
volatile uint32_t* legacy_hardware_doorbell_ptr;
volatile uint64_t* hardware_doorbell_ptr;
};
uint64_t event_mailbox_ptr;
uint32_t event_id;
uint32_t reserved1;
uint64_t start_ts;
uint64_t end_ts;
union
{
uint64_t queue_ptr;
uint64_t reserved2;
};
uint32_t reserved3[2];
} amd_signal_t;
} // namespace gem5
#endif // DEV_HSA_HSA_SIGNAL_H