From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h | 59 ++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h new file mode 100644 index 000000000..eb0f432f7 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h @@ -0,0 +1,59 @@ +/* + * Copyright 2017 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. + * + * Authors: Christian König + */ +#ifndef __AMDGPU_MN_H__ +#define __AMDGPU_MN_H__ + +/* + * MMU Notifier + */ +struct amdgpu_mn; + +enum amdgpu_mn_type { + AMDGPU_MN_TYPE_GFX, + AMDGPU_MN_TYPE_HSA, +}; + +#if defined(CONFIG_MMU_NOTIFIER) +void amdgpu_mn_lock(struct amdgpu_mn *mn); +void amdgpu_mn_unlock(struct amdgpu_mn *mn); +struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev, + enum amdgpu_mn_type type); +int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr); +void amdgpu_mn_unregister(struct amdgpu_bo *bo); +#else +static inline void amdgpu_mn_lock(struct amdgpu_mn *mn) {} +static inline void amdgpu_mn_unlock(struct amdgpu_mn *mn) {} +static inline struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev, + enum amdgpu_mn_type type) +{ + return NULL; +} +static inline int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr) +{ + return -ENODEV; +} +static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {} +#endif + +#endif -- cgit v1.2.3