a1ce39288e
Convert #include "..." to #include <path/...> in kernel system headers. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/*
|
|
* 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>
|
|
|
|
/**
|
|
* 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);
|
|
|
|
|
|
#ifdef CONFIG_SWIOTLB
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
static inline void ttm_dma_page_alloc_fini(void) { return; }
|
|
|
|
static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#endif
|