~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/drm/ttm/ttm_page_alloc.h

Version: ~ [ linux-5.8-rc4 ] ~ [ linux-5.7.7 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.50 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.131 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.187 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.229 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.229 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * Copyright (c) Red Hat Inc.
  3 
  4  * Permission is hereby granted, free of charge, to any person obtaining a
  5  * copy of this software and associated documentation files (the "Software"),
  6  * to deal in the Software without restriction, including without limitation
  7  * the rights to use, copy, modify, merge, publish, distribute, sub license,
  8  * and/or sell copies of the Software, and to permit persons to whom the
  9  * Software is furnished to do so, subject to the following conditions:
 10  *
 11  * The above copyright notice and this permission notice (including the
 12  * next paragraph) shall be included in all copies or substantial portions
 13  * of the Software.
 14  *
 15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 21  * DEALINGS IN THE SOFTWARE.
 22  *
 23  * Authors: Dave Airlie <airlied@redhat.com>
 24  *          Jerome Glisse <jglisse@redhat.com>
 25  */
 26 #ifndef TTM_PAGE_ALLOC
 27 #define TTM_PAGE_ALLOC
 28 
 29 #include <drm/ttm/ttm_bo_driver.h>
 30 #include <drm/ttm/ttm_memory.h>
 31 
 32 /**
 33  * Initialize pool allocator.
 34  */
 35 int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
 36 /**
 37  * Free pool allocator.
 38  */
 39 void ttm_page_alloc_fini(void);
 40 
 41 /**
 42  * ttm_pool_populate:
 43  *
 44  * @ttm: The struct ttm_tt to contain the backing pages.
 45  *
 46  * Add backing pages to all of @ttm
 47  */
 48 extern int ttm_pool_populate(struct ttm_tt *ttm);
 49 
 50 /**
 51  * ttm_pool_unpopulate:
 52  *
 53  * @ttm: The struct ttm_tt which to free backing pages.
 54  *
 55  * Free all pages of @ttm
 56  */
 57 extern void ttm_pool_unpopulate(struct ttm_tt *ttm);
 58 
 59 /**
 60  * Output the state of pools to debugfs file
 61  */
 62 extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
 63 
 64 
 65 #ifdef CONFIG_SWIOTLB
 66 /**
 67  * Initialize pool allocator.
 68  */
 69 int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
 70 
 71 /**
 72  * Free pool allocator.
 73  */
 74 void ttm_dma_page_alloc_fini(void);
 75 
 76 /**
 77  * Output the state of pools to debugfs file
 78  */
 79 extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
 80 
 81 extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
 82 extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
 83 
 84 #else
 85 static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob,
 86                                           unsigned max_pages)
 87 {
 88         return -ENODEV;
 89 }
 90 
 91 static inline void ttm_dma_page_alloc_fini(void) { return; }
 92 
 93 static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data)
 94 {
 95         return 0;
 96 }
 97 #endif
 98 
 99 #endif
100 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp