ttm_page_alloc_dma.c File Reference

#include <linux/dma-mapping.h>
#include <linux/list.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/highmem.h>
#include <linux/mm_types.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/atomic.h>
#include <linux/device.h>
#include <linux/kthread.h>
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_page_alloc.h>

Go to the source code of this file.

Data Structures
struct	dma_pool
struct	dma_page
struct	ttm_pool_opts
struct	device_pools
struct	ttm_pool_manager

Macros
#define	pr_fmt(fmt)   "[TTM] " fmt
#define	NUM_PAGES_TO_ALLOC   (PAGE_SIZE/sizeof(struct page *))
#define	SMALL_ALLOCATION   4
#define	FREE_ALL_PAGES   (~0U)
#define	IS_UNDEFINED   (0)
#define	IS_WC   (1<<1)
#define	IS_UC   (1<<2)
#define	IS_CACHED   (1<<3)
#define	IS_DMA32   (1<<4)

Enumerations
enum	pool_type {   POOL_IS_UNDEFINED, POOL_IS_WC = IS_WC, POOL_IS_UC = IS_UC, POOL_IS_CACHED = IS_CACHED,   POOL_IS_WC_DMA32 = IS_WC | IS_DMA32, POOL_IS_UC_DMA32 = IS_UC | IS_DMA32, POOL_IS_CACHED_DMA32 = IS_CACHED | IS_DMA32 }

Functions
int	ttm_dma_populate (struct ttm_dma_tt *ttm_dma, struct device *dev)
	EXPORT_SYMBOL_GPL (ttm_dma_populate)
void	ttm_dma_unpopulate (struct ttm_dma_tt *ttm_dma, struct device *dev)
	EXPORT_SYMBOL_GPL (ttm_dma_unpopulate)
int	ttm_dma_page_alloc_init (struct ttm_mem_global *glob, unsigned max_pages)
void	ttm_dma_page_alloc_fini (void)
int	ttm_dma_page_alloc_debugfs (struct seq_file *m, void *data)
	EXPORT_SYMBOL_GPL (ttm_dma_page_alloc_debugfs)

Macro Definition Documentation

#define FREE_ALL_PAGES   (~0U)

Definition at line 58 of file ttm_page_alloc_dma.c.

#define IS_CACHED   (1<<3)

Definition at line 63 of file ttm_page_alloc_dma.c.

#define IS_DMA32   (1<<4)

Definition at line 64 of file ttm_page_alloc_dma.c.

#define IS_UC   (1<<2)

Definition at line 62 of file ttm_page_alloc_dma.c.

#define IS_UNDEFINED   (0)

Definition at line 60 of file ttm_page_alloc_dma.c.

#define IS_WC   (1<<1)

Definition at line 61 of file ttm_page_alloc_dma.c.

#define NUM_PAGES_TO_ALLOC   (PAGE_SIZE/sizeof(struct page *))

Definition at line 56 of file ttm_page_alloc_dma.c.

#define pr_fmt

(

fmt

)

"[TTM] " fmt

Definition at line 36 of file ttm_page_alloc_dma.c.

#define SMALL_ALLOCATION   4

Definition at line 57 of file ttm_page_alloc_dma.c.

Enumeration Type Documentation

enum pool_type

Enumerator:

POOL_IS_UNDEFINED
POOL_IS_WC
POOL_IS_UC
POOL_IS_CACHED
POOL_IS_WC_DMA32
POOL_IS_UC_DMA32
POOL_IS_CACHED_DMA32

Definition at line 66 of file ttm_page_alloc_dma.c.

Function Documentation

EXPORT_SYMBOL_GPL

(

ttm_dma_populate

)

EXPORT_SYMBOL_GPL

(

ttm_dma_unpopulate

)

EXPORT_SYMBOL_GPL

(

ttm_dma_page_alloc_debugfs

)

int ttm_dma_page_alloc_debugfs	(	struct seq_file *	m,
		void *	data
	)

Definition at line 1103 of file ttm_page_alloc_dma.c.

void ttm_dma_page_alloc_fini

(

void

)

Definition at line 1085 of file ttm_page_alloc_dma.c.

int ttm_dma_page_alloc_init	(	struct ttm_mem_global *	glob,
		unsigned	max_pages
	)

Definition at line 1053 of file ttm_page_alloc_dma.c.

int ttm_dma_populate	(	struct ttm_dma_tt *	ttm_dma,
		struct device *	dev
	)

Definition at line 863 of file ttm_page_alloc_dma.c.

void ttm_dma_unpopulate	(	struct ttm_dma_tt *	ttm_dma,
		struct device *	dev
	)

Definition at line 935 of file ttm_page_alloc_dma.c.