mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
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122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
/*
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __NVIDIA_DMA_FENCE_HELPER_H__
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#define __NVIDIA_DMA_FENCE_HELPER_H__
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#include "nvidia-drm-conftest.h"
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#if defined(NV_DRM_FENCE_AVAILABLE)
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/*
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* Fence headers are moved to file dma-fence.h and struct fence has
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* been renamed to dma_fence by commit -
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*
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* 2016-10-25 : f54d1867005c3323f5d8ad83eed823e84226c429
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*/
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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#include <linux/fence.h>
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#else
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#include <linux/dma-fence.h>
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#endif
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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typedef struct fence nv_dma_fence_t;
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typedef struct fence_ops nv_dma_fence_ops_t;
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#else
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typedef struct dma_fence nv_dma_fence_t;
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typedef struct dma_fence_ops nv_dma_fence_ops_t;
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#endif
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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#define NV_DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT FENCE_FLAG_ENABLE_SIGNAL_BIT
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#else
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#define NV_DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT
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#endif
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static inline bool nv_dma_fence_is_signaled(nv_dma_fence_t *fence) {
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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return fence_is_signaled(fence);
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#else
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return dma_fence_is_signaled(fence);
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#endif
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}
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static inline nv_dma_fence_t *nv_dma_fence_get(nv_dma_fence_t *fence)
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{
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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return fence_get(fence);
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#else
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return dma_fence_get(fence);
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#endif
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}
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static inline void nv_dma_fence_put(nv_dma_fence_t *fence) {
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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fence_put(fence);
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#else
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dma_fence_put(fence);
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#endif
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}
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static inline signed long
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nv_dma_fence_default_wait(nv_dma_fence_t *fence,
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bool intr, signed long timeout) {
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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return fence_default_wait(fence, intr, timeout);
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#else
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return dma_fence_default_wait(fence, intr, timeout);
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#endif
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}
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static inline int nv_dma_fence_signal(nv_dma_fence_t *fence) {
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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return fence_signal(fence);
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#else
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return dma_fence_signal(fence);
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#endif
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}
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static inline u64 nv_dma_fence_context_alloc(unsigned num) {
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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return fence_context_alloc(num);
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#else
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return dma_fence_context_alloc(num);
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#endif
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}
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static inline void
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nv_dma_fence_init(nv_dma_fence_t *fence,
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const nv_dma_fence_ops_t *ops,
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spinlock_t *lock, u64 context, unsigned seqno) {
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#if defined(NV_LINUX_FENCE_H_PRESENT)
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fence_init(fence, ops, lock, context, seqno);
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#else
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dma_fence_init(fence, ops, lock, context, seqno);
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#endif
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}
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#endif /* defined(NV_DRM_FENCE_AVAILABLE) */
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#endif /* __NVIDIA_DMA_FENCE_HELPER_H__ */
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