diff options
Diffstat (limited to 'drivers/char/drm/drmP.h')
| -rw-r--r-- | drivers/char/drm/drmP.h | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 4f0de974c191d..c93985bb91a20 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -79,6 +79,7 @@ #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) #include "drm_os_linux.h" +#include "drm_hashtab.h" /***********************************************************************/ /** \name DRM template customization defaults */ @@ -134,7 +135,9 @@ #define DRM_MEM_CTXBITMAP 18 #define DRM_MEM_STUB 19 #define DRM_MEM_SGLISTS 20 -#define DRM_MEM_CTXLIST 21 +#define DRM_MEM_CTXLIST 21 +#define DRM_MEM_MM 22 +#define DRM_MEM_HASHTAB 23 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) @@ -515,6 +518,22 @@ typedef struct ati_pcigart_info { drm_local_map_t mapping; } drm_ati_pcigart_info; +/* + * Generic memory manager structs + */ +typedef struct drm_mm_node { + struct list_head fl_entry; + struct list_head ml_entry; + int free; + unsigned long start; + unsigned long size; + void *private; +} drm_mm_node_t; + +typedef struct drm_mm { + drm_mm_node_t root_node; +} drm_mm_t; + /** * DRM driver structure. This structure represent the common code for * a family of cards. There will one drm_device for each card present @@ -1001,6 +1020,18 @@ extern struct class_device *drm_sysfs_device_add(struct class *cs, drm_head_t *head); extern void drm_sysfs_device_remove(struct class_device *class_dev); +/* + * Basic memory manager support (drm_mm.c) + */ +extern drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent, + unsigned long size, + unsigned alignment); +extern void drm_mm_put_block(drm_mm_t *mm, drm_mm_node_t *cur); +extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size, + unsigned alignment, int best_match); +extern int drm_mm_init(drm_mm_t *mm, unsigned long start, unsigned long size); +extern void drm_mm_takedown(drm_mm_t *mm); + /* Inline replacements for DRM_IOREMAP macros */ static __inline__ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev) |