diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/ttm/ttm_debug.h | 31 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_page_alloc.h | 33 | ||||
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 2 |
3 files changed, 60 insertions, 6 deletions
diff --git a/include/drm/ttm/ttm_debug.h b/include/drm/ttm/ttm_debug.h new file mode 100644 index 000000000000..b5e460fa5086 --- /dev/null +++ b/include/drm/ttm/ttm_debug.h @@ -0,0 +1,31 @@ +/************************************************************************** + * + * Copyright (c) 2017 Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * 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, sub license, 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 (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ +/* + * Authors: Tom St Denis <tom.stdenis@amd.com> + */ +extern void ttm_trace_dma_map(struct device *dev, struct ttm_dma_tt *tt); +extern void ttm_trace_dma_unmap(struct device *dev, struct ttm_dma_tt *tt); diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h index 49a828425fa2..38a2b4770c35 100644 --- a/include/drm/ttm/ttm_page_alloc.h +++ b/include/drm/ttm/ttm_page_alloc.h @@ -47,7 +47,7 @@ void ttm_page_alloc_fini(void); * * Add backing pages to all of @ttm */ -extern int ttm_pool_populate(struct ttm_tt *ttm); +int ttm_pool_populate(struct ttm_tt *ttm); /** * ttm_pool_unpopulate: @@ -56,12 +56,12 @@ extern int ttm_pool_populate(struct ttm_tt *ttm); * * Free all pages of @ttm */ -extern void ttm_pool_unpopulate(struct ttm_tt *ttm); +void ttm_pool_unpopulate(struct ttm_tt *ttm); /** * Output the state of pools to debugfs file */ -extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data); +int ttm_page_alloc_debugfs(struct seq_file *m, void *data); #if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU) @@ -78,10 +78,21 @@ void ttm_dma_page_alloc_fini(void); /** * Output the state of pools to debugfs file */ -extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data); +int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data); -extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev); -extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev); +int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev); +void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev); + + +/** + * Populates and DMA maps pages to fullfil a ttm_dma_populate() request + */ +int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt); + +/** + * Unpopulates and DMA unmaps pages as part of a + * ttm_dma_unpopulate() request */ +void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt); #else static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, @@ -105,6 +116,16 @@ static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) { } + +static inline int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt) +{ + return -ENOMEM; +} + +static inline void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt) +{ +} + #endif #endif diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 7b8fa11c2285..e055776f2f4c 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -87,6 +87,8 @@ extern "C" { #define AMDGPU_GEM_CREATE_SHADOW (1 << 4) /* Flag that allocating the BO should use linear VRAM */ #define AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS (1 << 5) +/* Flag that BO is always valid in this VM */ +#define AMDGPU_GEM_CREATE_VM_ALWAYS_VALID (1 << 6) struct drm_amdgpu_gem_create_in { /** the requested memory size */ |