diff options
Diffstat (limited to 'linux-core/drmP.h')
| -rw-r--r-- | linux-core/drmP.h | 207 |
1 files changed, 112 insertions, 95 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 9e1e4ba8..43589342 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -587,6 +587,64 @@ typedef struct drm_mm { drm_mm_node_t root_node; } drm_mm_t; + +/* + * User space objects and their references. + */ + +#define drm_user_object_entry(_ptr, _type, _member) container_of(_ptr, _type, _member) + +typedef enum { + drm_fence_type, + drm_buffer_type, + drm_ttm_type + + /* + * Add other user space object types here. + */ + +} drm_object_type_t; + + + + +/* + * A user object is a structure that helps the drm give out user handles + * to kernel internal objects and to keep track of these objects so that + * they can be destroyed, for example when the user space process exits. + * Designed to be accessible using a user space 32-bit handle. + */ + +typedef struct drm_user_object{ + drm_hash_item_t hash; + struct list_head list; + drm_object_type_t type; + atomic_t refcount; + int shareable; + drm_file_t *owner; + void (*ref_struct_locked) (drm_file_t *priv, struct drm_user_object *obj, + drm_ref_t ref_action); + void (*unref)(drm_file_t *priv, struct drm_user_object *obj, + drm_ref_t unref_action); + void (*remove)(drm_file_t *priv, struct drm_user_object *obj); +} drm_user_object_t; + +/* + * A ref object is a structure which is used to + * keep track of references to user objects and to keep track of these + * references so that they can be destroyed for example when the user space + * process exits. Designed to be accessible using a pointer to the _user_ object. + */ + + +typedef struct drm_ref_object { + drm_hash_item_t hash; + struct list_head list; + atomic_t refcount; + drm_ref_t unref_action; +} drm_ref_object_t; + + #include "drm_ttm.h" /* @@ -873,101 +931,6 @@ typedef struct drm_agp_ttm_priv { } drm_agp_ttm_priv; #endif - -static __inline__ int drm_core_check_feature(struct drm_device *dev, - int feature) -{ - return ((dev->driver->driver_features & feature) ? 1 : 0); -} - -#if __OS_HAS_AGP -static inline int drm_core_has_AGP(struct drm_device *dev) -{ - return drm_core_check_feature(dev, DRIVER_USE_AGP); -} -#else -#define drm_core_has_AGP(dev) (0) -#endif - -#if __OS_HAS_MTRR -static inline int drm_core_has_MTRR(struct drm_device *dev) -{ - return drm_core_check_feature(dev, DRIVER_USE_MTRR); -} - -#define DRM_MTRR_WC MTRR_TYPE_WRCOMB - -static inline int drm_mtrr_add(unsigned long offset, unsigned long size, - unsigned int flags) -{ - return mtrr_add(offset, size, flags, 1); -} - -static inline int drm_mtrr_del(int handle, unsigned long offset, - unsigned long size, unsigned int flags) -{ - return mtrr_del(handle, offset, size); -} - -#else -#define drm_core_has_MTRR(dev) (0) -#endif - -/* - * User space objects and their references. - */ - -#define drm_user_object_entry(_ptr, _type, _member) container_of(_ptr, _type, _member) - -typedef enum { - drm_fence_type, - drm_buffer_type - - /* - * Add other user space object types here. - */ - -} drm_object_type_t; - - - - -/* - * A user object is a structure that helps the drm give out user handles - * to kernel internal objects and to keep track of these objects so that - * they can be destroyed, for example when the user space process exits. - * Designed to be accessible using a user space 32-bit handle. - */ - -typedef struct drm_user_object{ - drm_hash_item_t hash; - struct list_head list; - drm_object_type_t type; - atomic_t refcount; - int shareable; - drm_file_t *owner; - void (*ref_struct_locked) (drm_file_t *priv, struct drm_user_object *obj, - drm_ref_t ref_action); - void (*unref)(drm_file_t *priv, struct drm_user_object *obj, - drm_ref_t unref_action); - void (*remove)(drm_file_t *priv, struct drm_user_object *obj); -} drm_user_object_t; - -/* - * A ref object is a structure which is used to - * keep track of references to user objects and to keep track of these - * references so that they can be destroyed for example when the user space - * process exits. Designed to be accessible using a pointer to the _user_ object. - */ - - -typedef struct drm_ref_object { - drm_hash_item_t hash; - struct list_head list; - atomic_t refcount; - drm_ref_t unref_action; -} drm_ref_object_t; - typedef struct drm_fence_object{ drm_user_object_t base; atomic_t usage; @@ -1012,6 +975,46 @@ typedef struct drm_buffer_object{ +static __inline__ int drm_core_check_feature(struct drm_device *dev, + int feature) +{ + return ((dev->driver->driver_features & feature) ? 1 : 0); +} + +#if __OS_HAS_AGP +static inline int drm_core_has_AGP(struct drm_device *dev) +{ + return drm_core_check_feature(dev, DRIVER_USE_AGP); +} +#else +#define drm_core_has_AGP(dev) (0) +#endif + +#if __OS_HAS_MTRR +static inline int drm_core_has_MTRR(struct drm_device *dev) +{ + return drm_core_check_feature(dev, DRIVER_USE_MTRR); +} + +#define DRM_MTRR_WC MTRR_TYPE_WRCOMB + +static inline int drm_mtrr_add(unsigned long offset, unsigned long size, + unsigned int flags) +{ + return mtrr_add(offset, size, flags, 1); +} + +static inline int drm_mtrr_del(int handle, unsigned long offset, + unsigned long size, unsigned int flags) +{ + return mtrr_del(handle, offset, size); +} + +#else +#define drm_core_has_MTRR(dev) (0) +#endif + + /******************************************************************/ /** \name Internal function definitions */ /*@{*/ @@ -1353,6 +1356,20 @@ extern int drm_fence_ioctl(DRM_IOCTL_ARGS); extern int drm_bo_ioctl(DRM_IOCTL_ARGS); +/* + * Convenience 2*32-bit to 64-bit function + */ + +static __inline__ unsigned long combine_64(uint32_t lo, uint32_t hi) +{ + unsigned long ret = lo; + + if (sizeof(ret) > 4) { + int shift = 32; + lo |= (hi << shift); + } + return ret; +} /* Inline replacements for DRM_IOREMAP macros */ static __inline__ void drm_core_ioremap(struct drm_map *map, |