drm_vma_manager.h File Reference

#include <drm/drm_mm.h>
#include <linux/mm.h>
#include <linux/rbtree.h>
#include <linux/spinlock.h>
#include <linux/types.h>

Include dependency graph for drm_vma_manager.h:

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Classes
struct	drm_vma_offset_file
struct	drm_vma_offset_node
struct	drm_vma_offset_manager

Macros
#define	DRM_FILE_PAGE_OFFSET_START   ((0xFFFFFFFUL >> PAGE_SHIFT) + 1)
#define	DRM_FILE_PAGE_OFFSET_SIZE   ((0xFFFFFFFUL >> PAGE_SHIFT) * 16)

Functions
void	drm_vma_offset_manager_init (struct drm_vma_offset_manager *mgr, unsigned long page_offset, unsigned long size)
void	drm_vma_offset_manager_destroy (struct drm_vma_offset_manager *mgr)
struct drm_vma_offset_node *	drm_vma_offset_lookup_locked (struct drm_vma_offset_manager *mgr, unsigned long start, unsigned long pages)
int	drm_vma_offset_add (struct drm_vma_offset_manager *mgr, struct drm_vma_offset_node *node, unsigned long pages)
void	drm_vma_offset_remove (struct drm_vma_offset_manager *mgr, struct drm_vma_offset_node *node)
int	drm_vma_node_allow (struct drm_vma_offset_node *node, struct drm_file *tag)
int	drm_vma_node_allow_once (struct drm_vma_offset_node *node, struct drm_file *tag)
void	drm_vma_node_revoke (struct drm_vma_offset_node *node, struct drm_file *tag)
bool	drm_vma_node_is_allowed (struct drm_vma_offset_node *node, struct drm_file *tag)

Macro Definition Documentation

DRM_FILE_PAGE_OFFSET_SIZE

#define DRM_FILE_PAGE_OFFSET_SIZE   ((0xFFFFFFFUL >> PAGE_SHIFT) * 16)

DRM_FILE_PAGE_OFFSET_START

#define DRM_FILE_PAGE_OFFSET_START   ((0xFFFFFFFUL >> PAGE_SHIFT) + 1)

Function Documentation

drm_vma_node_allow()

int drm_vma_node_allow	(	struct drm_vma_offset_node *	node,
		struct drm_file *	tag
	)

drm_vma_node_allow_once()

int drm_vma_node_allow_once	(	struct drm_vma_offset_node *	node,
		struct drm_file *	tag
	)

drm_vma_node_is_allowed()

bool drm_vma_node_is_allowed	(	struct drm_vma_offset_node *	node,
		struct drm_file *	tag
	)

drm_vma_node_revoke()

void drm_vma_node_revoke	(	struct drm_vma_offset_node *	node,
		struct drm_file *	tag
	)

drm_vma_offset_add()

int drm_vma_offset_add	(	struct drm_vma_offset_manager *	mgr,
		struct drm_vma_offset_node *	node,
		unsigned long	pages
	)

drm_vma_offset_lookup_locked()

struct drm_vma_offset_node * drm_vma_offset_lookup_locked	(	struct drm_vma_offset_manager *	mgr,
		unsigned long	start,
		unsigned long	pages
	)

drm_vma_offset_manager_destroy()

void drm_vma_offset_manager_destroy

(

struct drm_vma_offset_manager *

mgr

)

drm_vma_offset_manager_init()

void drm_vma_offset_manager_init	(	struct drm_vma_offset_manager *	mgr,
		unsigned long	page_offset,
		unsigned long	size
	)

drm_vma_offset_remove()

void drm_vma_offset_remove	(	struct drm_vma_offset_manager *	mgr,
		struct drm_vma_offset_node *	node
	)