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104 lines
3.9 KiB
C
104 lines
3.9 KiB
C
/*
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* @File
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* @Title PowerVR Linux fence compatibility header
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* @Codingstyle LinuxKernel
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* @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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* @License Dual MIT/GPLv2
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*
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* The contents of this file are subject to the MIT license as set out below.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* 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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* Alternatively, the contents of this file may be used under the terms of
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* the GNU General Public License Version 2 ("GPL") in which case the provisions
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* of GPL are applicable instead of those above.
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*
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* If you wish to allow use of your version of this file only under the terms of
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* GPL, and not to allow others to use your version of this file under the terms
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* of the MIT license, indicate your decision by deleting the provisions above
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* and replace them with the notice and other provisions required by GPL as set
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* out in the file called "GPL-COPYING" included in this distribution. If you do
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* not delete the provisions above, a recipient may use your version of this file
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* under the terms of either the MIT license or GPL.
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*
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* This License is also included in this distribution in the file called
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* "MIT-COPYING".
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*
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* EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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* PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#if !defined(__PVR_LINUX_FENCE_H__)
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#define __PVR_LINUX_FENCE_H__
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#include <linux/version.h>
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)) && \
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!defined(CHROMIUMOS_KERNEL_HAS_DMA_FENCE)
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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 (LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)) && \
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!defined(CHROMIUMOS_KERNEL_HAS_DMA_FENCE)
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/* Structures */
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#define dma_fence fence
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#define dma_fence_array fence_array
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#define dma_fence_cb fence_cb
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#define dma_fence_ops fence_ops
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/* Defines and Enums */
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#define DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT FENCE_FLAG_ENABLE_SIGNAL_BIT
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#define DMA_FENCE_FLAG_SIGNALED_BIT FENCE_FLAG_SIGNALED_BIT
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#define DMA_FENCE_FLAG_USER_BITS FENCE_FLAG_USER_BITS
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#define DMA_FENCE_ERR FENCE_ERR
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#define DMA_FENCE_TRACE FENCE_TRACE
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#define DMA_FENCE_WARN FENCE_WARN
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/* Functions */
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#define dma_fence_add_callback fence_add_callback
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#define dma_fence_context_alloc fence_context_alloc
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#define dma_fence_default_wait fence_default_wait
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#define dma_fence_is_signaled fence_is_signaled
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#define dma_fence_enable_sw_signaling fence_enable_sw_signaling
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#define dma_fence_free fence_free
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#define dma_fence_get fence_get
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#define dma_fence_get_rcu fence_get_rcu
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#define dma_fence_init fence_init
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#define dma_fence_is_array fence_is_array
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#define dma_fence_put fence_put
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#define dma_fence_signal fence_signal
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#define dma_fence_wait fence_wait
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#define to_dma_fence_array to_fence_array
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static inline signed long
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dma_fence_wait_timeout(struct dma_fence *fence, bool intr, signed long timeout)
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{
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signed long lret;
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lret = fence_wait_timeout(fence, intr, timeout);
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if (lret || timeout)
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return lret;
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return test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) ? 1 : 0;
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}
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#endif
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#endif /* !defined(__PVR_LINUX_FENCE_H__) */
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