drm_mm Struct Reference

#include <drm_mm.h>

Collaboration diagram for drm_mm:

Public Attributes
void(*	color_adjust )(const struct drm_mm_node *node, unsigned long color, u64 *start, u64 *end)
struct list_head	hole_stack
struct drm_mm_node	head_node
struct rb_root_cached	interval_tree
struct rb_root_cached	holes_size
struct rb_root	holes_addr
unsigned long	scan_active

Detailed Description

struct drm_mm - DRM allocator

DRM range allocator with a few special functions and features geared towards managing GPU memory. Except for the @color_adjust callback the structure is entirely opaque and should only be accessed through the provided functions and macros. This structure can be embedded into larger driver structures.

Member Data Documentation

color_adjust

void(* drm_mm::color_adjust) (const struct drm_mm_node *node, unsigned long color, u64 *start, u64 *end)

@color_adjust:

Optional driver callback to further apply restrictions on a hole. The node argument points at the node containing the hole from which the block would be allocated (see drm_mm_hole_follows() and friends). The other arguments are the size of the block to be allocated. The driver can adjust the start and end as needed to e.g. insert guard pages.

head_node

struct drm_mm_node drm_mm::head_node

hole_stack

struct list_head drm_mm::hole_stack

holes_addr

struct rb_root drm_mm::holes_addr

holes_size

struct rb_root_cached drm_mm::holes_size

interval_tree

struct rb_root_cached drm_mm::interval_tree

scan_active

unsigned long drm_mm::scan_active

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The documentation for this struct was generated from the following file:

• XenevaOS/BaseHdr/drm/drm_mm.h