diff options
Diffstat (limited to 'linux-core/drmP.h')
| -rw-r--r-- | linux-core/drmP.h | 297 |
1 files changed, 13 insertions, 284 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 9c748e6e..9b5f5bdd 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -458,6 +458,10 @@ typedef struct drm_lock_data { struct file *filp; /**< File descr of lock holder (0=kernel) */ wait_queue_head_t lock_queue; /**< Queue of blocked processes */ unsigned long lock_time; /**< Time of last lock in jiffies */ + spinlock_t spinlock; + uint32_t kernel_waiters; + uint32_t user_waiters; + int idle_has_lock; } drm_lock_data_t; /** @@ -591,78 +595,8 @@ typedef struct ati_pcigart_info { drm_local_map_t mapping; } drm_ati_pcigart_info; -/* - * 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" - -/* - * buffer object driver - */ - -typedef struct drm_bo_driver{ - int cached[DRM_BO_MEM_TYPES]; - drm_local_map_t *iomap[DRM_BO_MEM_TYPES]; - drm_ttm_backend_t *(*create_ttm_backend_entry) - (struct drm_device *dev); - int (*fence_type)(uint32_t flags, uint32_t *class, uint32_t *type); - int (*invalidate_caches)(struct drm_device *dev, uint32_t flags); -} drm_bo_driver_t; +#include "drm_objects.h" /** * DRM driver structure. This structure represent the common code for @@ -712,6 +646,8 @@ struct drm_driver { void (*reclaim_buffers) (struct drm_device *dev, struct file * filp); void (*reclaim_buffers_locked) (struct drm_device *dev, struct file * filp); + void (*reclaim_buffers_idlelocked) (struct drm_device *dev, + struct file * filp); unsigned long (*get_map_ofs) (drm_map_t * map); unsigned long (*get_reg_ofs) (struct drm_device * dev); void (*set_version) (struct drm_device * dev, drm_set_version_t * sv); @@ -749,63 +685,6 @@ typedef struct drm_head { } drm_head_t; -typedef struct drm_fence_driver{ - int no_types; - uint32_t wrap_diff; - uint32_t flush_diff; - uint32_t sequence_mask; - int lazy_capable; - int (*emit) (struct drm_device *dev, uint32_t flags, - uint32_t *breadcrumb, - uint32_t *native_type); - void (*poke_flush) (struct drm_device *dev); -} drm_fence_driver_t; - -#define _DRM_FENCE_TYPE_EXE 0x00 - -typedef struct drm_fence_manager{ - int initialized; - rwlock_t lock; - - /* - * The list below should be maintained in sequence order and - * access is protected by the above spinlock. - */ - - struct list_head ring; - struct list_head *fence_types[32]; - volatile uint32_t pending_flush; - wait_queue_head_t fence_queue; - int pending_exe_flush; - uint32_t last_exe_flush; - uint32_t exe_flush_sequence; - atomic_t count; -} drm_fence_manager_t; - -typedef struct drm_buffer_manager{ - struct mutex init_mutex; - int nice_mode; - int initialized; - drm_file_t *last_to_validate; - int has_type[DRM_BO_MEM_TYPES]; - int use_type[DRM_BO_MEM_TYPES]; - drm_mm_t manager[DRM_BO_MEM_TYPES]; - struct list_head lru[DRM_BO_MEM_TYPES]; - struct list_head pinned[DRM_BO_MEM_TYPES]; - struct list_head unfenced; - struct list_head ddestroy; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) - struct work_struct wq; -#else - struct delayed_work wq; -#endif - uint32_t fence_type; - unsigned long cur_pages; - atomic_t count; -} drm_buffer_manager_t; - - - /** * DRM device structure. This structure represent a complete card that * may contain multiple heads. @@ -960,62 +839,6 @@ typedef struct drm_agp_ttm_priv { } drm_agp_ttm_priv; #endif -typedef struct drm_fence_object{ - drm_user_object_t base; - atomic_t usage; - - /* - * The below three fields are protected by the fence manager spinlock. - */ - - struct list_head ring; - int class; - uint32_t native_type; - uint32_t type; - uint32_t signaled; - uint32_t sequence; - uint32_t flush_mask; - uint32_t submitted_flush; -} drm_fence_object_t; - - -typedef struct drm_buffer_object{ - drm_device_t *dev; - drm_user_object_t base; - - /* - * If there is a possibility that the usage variable is zero, - * then dev->struct_mutext should be locked before incrementing it. - */ - - atomic_t usage; - drm_ttm_object_t *ttm_object; - drm_ttm_t *ttm; - unsigned long num_pages; - unsigned long buffer_start; - drm_bo_type_t type; - unsigned long offset; - uint32_t page_alignment; - atomic_t mapped; - uint32_t flags; - uint32_t mask; - uint32_t mem_type; - - drm_mm_node_t *mm_node; /* MM node for on-card RAM */ - struct list_head lru; - struct list_head ddestroy; - - uint32_t fence_type; - uint32_t fence_class; - drm_fence_object_t *fence; - uint32_t priv_flags; - wait_queue_head_t event_queue; - struct mutex mutex; -} drm_buffer_object_t; - -#define _DRM_BO_FLAG_UNFENCED 0x00000001 -#define _DRM_BO_FLAG_EVICTED 0x00000002 - static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature) @@ -1193,12 +1016,14 @@ extern int drm_lock(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_unlock(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context); -extern int drm_lock_free(drm_device_t * dev, - __volatile__ unsigned int *lock, unsigned int context); +extern int drm_lock_take(drm_lock_data_t *lock_data, unsigned int context); +extern int drm_lock_free(drm_lock_data_t *lock_data, unsigned int context); +extern void drm_idlelock_take(drm_lock_data_t *lock_data); +extern void drm_idlelock_release(drm_lock_data_t *lock_data); + /* * These are exported to drivers so that they can implement fencing using - * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. + * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. */ extern int drm_i_have_hw_lock(struct file *filp); @@ -1357,106 +1182,10 @@ static inline drm_mm_t *drm_get_mm(drm_mm_node_t *block) } -/* - * User space object bookkeeping (drm_object.c) - */ - -/* - * Must be called with the struct_mutex held. - */ - -extern int drm_add_user_object(drm_file_t *priv, drm_user_object_t *item, - -/* - * Must be called with the struct_mutex held. - */ - int shareable); -extern drm_user_object_t *drm_lookup_user_object(drm_file_t *priv, uint32_t key); - -/* - * Must be called with the struct_mutex held. - * If "item" has been obtained by a call to drm_lookup_user_object. You may not - * release the struct_mutex before calling drm_remove_ref_object. - * This function may temporarily release the struct_mutex. - */ - -extern int drm_remove_user_object(drm_file_t *priv, drm_user_object_t *item); - -/* - * Must be called with the struct_mutex held. May temporarily release it. - */ - -extern int drm_add_ref_object(drm_file_t *priv, drm_user_object_t *referenced_object, - drm_ref_t ref_action); - -/* - * Must be called with the struct_mutex held. - */ - -drm_ref_object_t *drm_lookup_ref_object(drm_file_t *priv, - drm_user_object_t *referenced_object, - drm_ref_t ref_action); -/* - * Must be called with the struct_mutex held. - * If "item" has been obtained by a call to drm_lookup_ref_object. You may not - * release the struct_mutex before calling drm_remove_ref_object. - * This function may temporarily release the struct_mutex. - */ - -extern void drm_remove_ref_object(drm_file_t *priv, drm_ref_object_t *item); -extern int drm_user_object_ref(drm_file_t *priv, uint32_t user_token, drm_object_type_t type, - drm_user_object_t **object); -extern int drm_user_object_unref(drm_file_t *priv, uint32_t user_token, drm_object_type_t type); - - - -/* - * fence objects (drm_fence.c) - */ - -extern void drm_fence_handler(drm_device_t *dev, uint32_t breadcrumb, uint32_t type); -extern void drm_fence_manager_init(drm_device_t *dev); -extern void drm_fence_manager_takedown(drm_device_t *dev); -extern void drm_fence_flush_old(drm_device_t *dev, uint32_t sequence); -extern int drm_fence_object_flush(drm_device_t * dev, - volatile drm_fence_object_t * fence, - uint32_t type); -extern int drm_fence_object_signaled(volatile drm_fence_object_t * fence, - uint32_t type); -extern void drm_fence_usage_deref_locked(drm_device_t * dev, - drm_fence_object_t * fence); -extern void drm_fence_usage_deref_unlocked(drm_device_t * dev, - drm_fence_object_t * fence); -extern int drm_fence_object_wait(drm_device_t * dev, - volatile drm_fence_object_t * fence, - int lazy, int ignore_signals, uint32_t mask); -extern int drm_fence_object_create(drm_device_t *dev, uint32_t type, - uint32_t fence_flags, - drm_fence_object_t **c_fence); -extern int drm_fence_add_user_object(drm_file_t *priv, - drm_fence_object_t *fence, - int shareable); - -extern int drm_fence_ioctl(DRM_IOCTL_ARGS); - -/* - * buffer objects (drm_bo.c) - */ - -extern int drm_bo_ioctl(DRM_IOCTL_ARGS); -extern int drm_mm_init_ioctl(DRM_IOCTL_ARGS); -extern int drm_bo_driver_finish(drm_device_t *dev); -extern int drm_bo_driver_init(drm_device_t *dev); -extern int drm_fence_buffer_objects(drm_file_t * priv, - struct list_head *list, - uint32_t fence_flags, - drm_fence_object_t *fence, - drm_fence_object_t **used_fence); - extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); |