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150 lines
3.6 KiB
150 lines
3.6 KiB
/************************************************************************** |
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* |
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* Copyright (c) 2018 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: Huang Rui <[email protected]> |
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*/ |
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#ifndef TTM_SET_MEMORY |
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#define TTM_SET_MEMORY |
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#include <linux/mm.h> |
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#ifdef CONFIG_X86 |
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#include <asm/set_memory.h> |
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static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray) |
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{ |
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return set_pages_array_wb(pages, addrinarray); |
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} |
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static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray) |
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{ |
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return set_pages_array_wc(pages, addrinarray); |
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} |
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static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray) |
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{ |
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return set_pages_array_uc(pages, addrinarray); |
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} |
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static inline int ttm_set_pages_wb(struct page *page, int numpages) |
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{ |
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return set_pages_wb(page, numpages); |
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} |
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static inline int ttm_set_pages_wc(struct page *page, int numpages) |
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{ |
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unsigned long addr = (unsigned long)page_address(page); |
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return set_memory_wc(addr, numpages); |
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} |
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static inline int ttm_set_pages_uc(struct page *page, int numpages) |
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{ |
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return set_pages_uc(page, numpages); |
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} |
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#else /* for CONFIG_X86 */ |
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#if IS_ENABLED(CONFIG_AGP) |
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#include <asm/agp.h> |
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static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray) |
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{ |
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int i; |
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for (i = 0; i < addrinarray; i++) |
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unmap_page_from_agp(pages[i]); |
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return 0; |
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} |
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static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray) |
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{ |
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int i; |
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for (i = 0; i < addrinarray; i++) |
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map_page_into_agp(pages[i]); |
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return 0; |
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} |
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static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray) |
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{ |
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int i; |
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for (i = 0; i < addrinarray; i++) |
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map_page_into_agp(pages[i]); |
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return 0; |
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} |
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static inline int ttm_set_pages_wb(struct page *page, int numpages) |
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{ |
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int i; |
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for (i = 0; i < numpages; i++) |
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unmap_page_from_agp(page++); |
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return 0; |
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} |
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#else /* for CONFIG_AGP */ |
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static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray) |
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{ |
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return 0; |
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} |
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static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray) |
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{ |
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return 0; |
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} |
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static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray) |
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{ |
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return 0; |
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} |
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static inline int ttm_set_pages_wb(struct page *page, int numpages) |
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{ |
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return 0; |
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} |
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#endif /* for CONFIG_AGP */ |
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static inline int ttm_set_pages_wc(struct page *page, int numpages) |
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{ |
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return 0; |
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} |
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static inline int ttm_set_pages_uc(struct page *page, int numpages) |
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{ |
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return 0; |
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} |
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#endif /* for CONFIG_X86 */ |
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#endif
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