open-gpu-kernel-modules/kernel-open/nvidia-drm/nvidia-dma-resv-helper.h
2022-05-09 13:18:59 -07:00

81 lines
2.4 KiB
C

/*
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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 __NVIDIA_DMA_RESV_HELPER_H__
#define __NVIDIA_DMA_RESV_HELPER_H__
#include "nvidia-drm-conftest.h"
#if defined(NV_DRM_FENCE_AVAILABLE)
/*
* linux/reservation.h is renamed to linux/dma-resv.h, by commit
* 52791eeec1d9 (dma-buf: rename reservation_object to dma_resv)
* in v5.4.
*/
#if defined(NV_LINUX_DMA_RESV_H_PRESENT)
#include <linux/dma-resv.h>
#else
#include <linux/reservation.h>
#endif
#include <nvidia-dma-fence-helper.h>
#if defined(NV_LINUX_DMA_RESV_H_PRESENT)
typedef struct dma_resv nv_dma_resv_t;
#else
typedef struct reservation_object nv_dma_resv_t;
#endif
static inline void nv_dma_resv_init(nv_dma_resv_t *obj)
{
#if defined(NV_LINUX_DMA_RESV_H_PRESENT)
dma_resv_init(obj);
#else
reservation_object_init(obj);
#endif
}
static inline void nv_dma_resv_fini(nv_dma_resv_t *obj)
{
#if defined(NV_LINUX_DMA_RESV_H_PRESENT)
dma_resv_fini(obj);
#else
reservation_object_init(obj);
#endif
}
static inline void nv_dma_resv_add_excl_fence(nv_dma_resv_t *obj,
nv_dma_fence_t *fence)
{
#if defined(NV_LINUX_DMA_RESV_H_PRESENT)
dma_resv_add_excl_fence(obj, fence);
#else
reservation_object_add_excl_fence(obj, fence);
#endif
}
#endif /* defined(NV_DRM_FENCE_AVAILABLE) */
#endif /* __NVIDIA_DMA_RESV_HELPER_H__ */