1 /* SPDX-License-Identifier: MIT */
3 * Copyright 2023 Advanced Micro Devices, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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25 #ifndef __AMDGPU_SEQ64_H__
26 #define __AMDGPU_SEQ64_H__
28 #include "amdgpu_vm.h"
30 #define AMDGPU_MAX_SEQ64_SLOTS (AMDGPU_VA_RESERVED_SEQ64_SIZE / sizeof(u64))
33 struct amdgpu_bo *sbo;
36 DECLARE_BITMAP(used, AMDGPU_MAX_SEQ64_SLOTS);
39 void amdgpu_seq64_fini(struct amdgpu_device *adev);
40 int amdgpu_seq64_init(struct amdgpu_device *adev);
41 int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *gpu_addr, u64 **cpu_addr);
42 void amdgpu_seq64_free(struct amdgpu_device *adev, u64 gpu_addr);
43 int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm,
44 struct amdgpu_bo_va **bo_va);
45 void amdgpu_seq64_unmap(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv);