| /* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ |
| /* vi: set ts=8 sw=8 sts=8: */ |
| /*************************************************************************/ /*! |
| @File |
| @Title PowerVR Linux fence compatibility header |
| @Codingstyle LinuxKernel |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @License MIT |
| |
| The contents of this file are subject to the MIT license as set out below. |
| |
| 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. |
| |
| This License is also included in this distribution in the file called |
| "MIT-COPYING". |
| |
| EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) 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; AND (B) 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. |
| */ /**************************************************************************/ |
| |
| #if !defined(__PVR_LINUX_FENCE_H__) |
| #define __PVR_LINUX_FENCE_H__ |
| |
| #include <linux/version.h> |
| |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)) && \ |
| (!defined(CHROMIUMOS_KERNEL) || (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0))) |
| #include <linux/fence.h> |
| #else |
| #include <linux/dma-fence.h> |
| #endif |
| |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)) && \ |
| (!defined(CHROMIUMOS_KERNEL) || (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0))) |
| /* Structures */ |
| #define dma_fence fence |
| #define dma_fence_array fence_array |
| #define dma_fence_cb fence_cb |
| #define dma_fence_ops fence_ops |
| |
| /* Defines and Enums */ |
| #define DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT FENCE_FLAG_ENABLE_SIGNAL_BIT |
| #define DMA_FENCE_FLAG_SIGNALED_BIT FENCE_FLAG_SIGNALED_BIT |
| #define DMA_FENCE_FLAG_USER_BITS FENCE_FLAG_USER_BITS |
| |
| #define DMA_FENCE_ERR FENCE_ERR |
| #define DMA_FENCE_TRACE FENCE_TRACE |
| #define DMA_FENCE_WARN FENCE_WARN |
| |
| /* Functions */ |
| #define dma_fence_add_callback fence_add_callback |
| #define dma_fence_context_alloc fence_context_alloc |
| #define dma_fence_default_wait fence_default_wait |
| #define dma_fence_is_signaled fence_is_signaled |
| #define dma_fence_enable_sw_signaling fence_enable_sw_signaling |
| #define dma_fence_free fence_free |
| #define dma_fence_get fence_get |
| #define dma_fence_get_rcu fence_get_rcu |
| #define dma_fence_init fence_init |
| #define dma_fence_is_array fence_is_array |
| #define dma_fence_put fence_put |
| #define dma_fence_signal fence_signal |
| #define dma_fence_wait fence_wait |
| #define to_dma_fence_array to_fence_array |
| |
| static inline signed long |
| dma_fence_wait_timeout(struct dma_fence *fence, bool intr, signed long timeout) |
| { |
| signed long lret; |
| |
| lret = fence_wait_timeout(fence, intr, timeout); |
| if (!lret && !timeout) |
| return test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) ? 1 : 0; |
| |
| return lret; |
| } |
| |
| #endif |
| |
| #endif /* !defined(__PVR_LINUX_FENCE_H__) */ |