75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/**************************************************************************
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*
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* Copyright (c) 2017 Advanced Micro Devices, Inc.
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* 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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* 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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/*
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* Authors: Tom St Denis <tom.stdenis@amd.com>
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*/
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#include <linux/sched.h>
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#include <linux/highmem.h>
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#include <linux/pagemap.h>
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#include <linux/shmem_fs.h>
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#include <linux/file.h>
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#include <linux/swap.h>
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#include <linux/slab.h>
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#include <linux/export.h>
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#include <drm/drm_cache.h>
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#include <drm/ttm/ttm_module.h>
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#include <drm/ttm/ttm_bo_driver.h>
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#include <drm/ttm/ttm_placement.h>
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#include <drm/ttm/ttm_page_alloc.h>
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#include "ttm_trace.h"
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void ttm_trace_dma_map(struct device *dev, struct ttm_dma_tt *tt)
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{
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unsigned i;
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if (unlikely(trace_ttm_dma_map_enabled())) {
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for (i = 0; i < tt->ttm.num_pages; i++) {
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trace_ttm_dma_map(
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dev,
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tt->ttm.pages[i],
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tt->dma_address[i]);
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}
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}
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}
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EXPORT_SYMBOL(ttm_trace_dma_map);
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void ttm_trace_dma_unmap(struct device *dev, struct ttm_dma_tt *tt)
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{
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unsigned i;
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if (unlikely(trace_ttm_dma_unmap_enabled())) {
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for (i = 0; i < tt->ttm.num_pages; i++) {
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trace_ttm_dma_unmap(
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dev,
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tt->ttm.pages[i],
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tt->dma_address[i]);
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}
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}
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}
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EXPORT_SYMBOL(ttm_trace_dma_unmap);
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