mirror of
				https://github.com/torvalds/linux.git
				synced 2025-11-04 02:30:34 +02:00 
			
		
		
		
	Add gpu address support to seq64 alloc function.
v1:(Christian)
  - Add the user of this new interface change to the same
    patch.
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
		
	
			
		
			
				
	
	
		
			49 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* 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 gpu_addr;
 | 
						|
	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 *va, 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
 | 
						|
 |