Release 4.12 include/drm/ttm/ttm_page_alloc.h
/*
* Copyright (c) Red Hat Inc.
* 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 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.
*
* Authors: Dave Airlie <airlied@redhat.com>
* Jerome Glisse <jglisse@redhat.com>
*/
#ifndef TTM_PAGE_ALLOC
#define TTM_PAGE_ALLOC
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_memory.h>
struct device;
/**
* Initialize pool allocator.
*/
int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
/**
* Free pool allocator.
*/
void ttm_page_alloc_fini(void);
/**
* ttm_pool_populate:
*
* @ttm: The struct ttm_tt to contain the backing pages.
*
* Add backing pages to all of @ttm
*/
extern int ttm_pool_populate(struct ttm_tt *ttm);
/**
* ttm_pool_unpopulate:
*
* @ttm: The struct ttm_tt which to free backing pages.
*
* Free all pages of @ttm
*/
extern 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);
#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU)
/**
* Initialize pool allocator.
*/
int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
/**
* Free pool allocator.
*/
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);
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);
#else
static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob,
unsigned max_pages)
{
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Konrad Rzeszutek Wilk | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
static inline void ttm_dma_page_alloc_fini(void) { return; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Konrad Rzeszutek Wilk | 10 | 100.00% | 1 | 100.00% |
| Total | 10 | 100.00% | 1 | 100.00% |
static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Konrad Rzeszutek Wilk | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
static inline int ttm_dma_populate(struct ttm_dma_tt *ttm_dma,
struct device *dev)
{
return -ENOMEM;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Thomas Hellstrom | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma,
struct device *dev)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Thomas Hellstrom | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
#endif
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Konrad Rzeszutek Wilk | 113 | 47.08% | 1 | 10.00% |
| Thomas Hellstrom | 47 | 19.58% | 1 | 10.00% |
| Pauli Nieminen | 47 | 19.58% | 3 | 30.00% |
| Jérôme Glisse | 27 | 11.25% | 2 | 20.00% |
| Alexandre Courbot | 3 | 1.25% | 1 | 10.00% |
| David Howells | 2 | 0.83% | 1 | 10.00% |
| Francisco Jerez | 1 | 0.42% | 1 | 10.00% |
| Total | 240 | 100.00% | 10 | 100.00% |
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