/* SPDX-License-Identifier: MIT */ /* * Copyright 2023 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * */ #ifndef __AMDGPU_SEQ64_H__ #define __AMDGPU_SEQ64_H__ #include "amdgpu_vm.h" #define AMDGPU_MAX_SEQ64_SLOTS (AMDGPU_VA_RESERVED_SEQ64_SIZE / sizeof(u64)) struct amdgpu_seq64 { struct amdgpu_bo *sbo; u32 num_sem; u64 *cpu_base_addr; DECLARE_BITMAP(used, AMDGPU_MAX_SEQ64_SLOTS); }; void amdgpu_seq64_fini(struct amdgpu_device *adev); int amdgpu_seq64_init(struct amdgpu_device *adev); int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *gpu_addr, u64 **cpu_addr); void amdgpu_seq64_free(struct amdgpu_device *adev, u64 gpu_addr); int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm, struct amdgpu_bo_va **bo_va); void amdgpu_seq64_unmap(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv); #endif