49 lines · c
1/* SPDX-License-Identifier: MIT */2/*3 * Copyright 2023 Advanced Micro Devices, Inc.4 *5 * Permission is hereby granted, free of charge, to any person obtaining a6 * copy of this software and associated documentation files (the "Software"),7 * to deal in the Software without restriction, including without limitation8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,9 * and/or sell copies of the Software, and to permit persons to whom the10 * Software is furnished to do so, subject to the following conditions:11 *12 * The above copyright notice and this permission notice shall be included in13 * all copies or substantial portions of the Software.14 *15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR21 * OTHER DEALINGS IN THE SOFTWARE.22 *23 */24 25#ifndef __AMDGPU_SEQ64_H__26#define __AMDGPU_SEQ64_H__27 28#include "amdgpu_vm.h"29 30#define AMDGPU_MAX_SEQ64_SLOTS (AMDGPU_VA_RESERVED_SEQ64_SIZE / sizeof(u64))31 32struct amdgpu_seq64 {33 struct amdgpu_bo *sbo;34 u32 num_sem;35 u64 *cpu_base_addr;36 DECLARE_BITMAP(used, AMDGPU_MAX_SEQ64_SLOTS);37};38 39void amdgpu_seq64_fini(struct amdgpu_device *adev);40int amdgpu_seq64_init(struct amdgpu_device *adev);41int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *gpu_addr, u64 **cpu_addr);42void amdgpu_seq64_free(struct amdgpu_device *adev, u64 gpu_addr);43int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm,44 struct amdgpu_bo_va **bo_va);45void amdgpu_seq64_unmap(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv);46 47#endif48 49