| /* |
| * 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 |