drm_buf_desc Struct Reference

#include <drm.h>

Public Types
enum	{   _DRM_PAGE_ALIGN = 0x01, _DRM_AGP_BUFFER = 0x02, _DRM_SG_BUFFER = 0x04, _DRM_FB_BUFFER = 0x08,   _DRM_PCI_BUFFER_RO = 0x10 }

Data Fields
int	count
int	size
int	low_mark
int	high_mark
enum drm_buf_desc:: { ... }	flags
unsigned long	agp_start

Detailed Description

DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.

See Also

drmAddBufs().

Definition at line 325 of file drm.h.

Member Enumeration Documentation

anonymous enum

Enumerator:

_DRM_PAGE_ALIGN	Align on page boundaries for DMA
_DRM_AGP_BUFFER	Buffer is in AGP space
_DRM_SG_BUFFER	Scatter/gather memory buffer
_DRM_FB_BUFFER	Buffer is in frame buffer
_DRM_PCI_BUFFER_RO	Map PCI DMA buffer read-only

Definition at line 330 of file drm.h.

Field Documentation

unsigned long agp_start

Start address of where the AGP buffers are in the AGP aperture

Definition at line 337 of file drm.h.

int count

Number of buffers of this size

Definition at line 326 of file drm.h.

enum { ... } flags

int high_mark

High water mark

Definition at line 329 of file drm.h.

int low_mark

Low water mark

Definition at line 328 of file drm.h.

int size

Size in bytes

Definition at line 327 of file drm.h.

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

• include/uapi/drm/drm.h