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| 2 | |
| 3 | * Copyright 2023 Advanced Micro Devices, Inc.
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| 4 | *
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 6 | * copy of this software and associated documentation files (the "Software"),
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| 7 | * to deal in the Software without restriction, including without limitation
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| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 9 | * and/or sell copies of the Software, and to permit persons to whom the
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| 10 | * Software is furnished to do so, subject to the following conditions:
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| 11 | *
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| 12 | * The above copyright notice and this permission notice shall be included in
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| 13 | * all copies or substantial portions of the Software.
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| 14 | *
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 21 | * OTHER DEALINGS IN THE SOFTWARE.
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| 22 | *
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| 23 |
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| 24 |
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| 25 | #ifndef __AMDGPU_SEQ64_H__
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| 26 | #define __AMDGPU_SEQ64_H__
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| 27 |
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| 28 | #include "amdgpu_vm.h"
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| 29 |
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| 30 | #define AMDGPU_MAX_SEQ64_SLOTS (AMDGPU_VA_RESERVED_SEQ64_SIZE / sizeof(u64))
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| 31 |
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| 32 | struct amdgpu_seq64 {
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| 33 | struct amdgpu_bo *sbo;
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| 34 | u32 num_sem;
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| 35 | u64 gpu_addr;
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| 36 | u64 *cpu_base_addr;
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| 37 | DECLARE_BITMAP(used, AMDGPU_MAX_SEQ64_SLOTS);
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| 38 | };
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| 39 |
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| 40 | void amdgpu_seq64_fini(struct amdgpu_device *adev);
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| 41 | int amdgpu_seq64_init(struct amdgpu_device *adev);
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| 42 | int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *va, u64 *gpu_addr, u64 **cpu_addr);
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| 43 | void amdgpu_seq64_free(struct amdgpu_device *adev, u64 gpu_addr);
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| 44 | int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm,
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| 45 | struct amdgpu_bo_va **bo_va);
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| 46 | void amdgpu_seq64_unmap(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv);
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| 47 |
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| 48 | #endif
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| 49 |
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