unsigned int cmd;
int flags;
drm_ioctl_t *func;
+ unsigned int cmd_drv;
};
/**
* Creates a driver or general drm_ioctl_desc array entry for the given
* ioctl, for use by drm_ioctl().
*/
-#define DRM_IOCTL_DEF(ioctl, _func, _flags) \
- [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags}
+
+#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
+ [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl}
struct drm_magic_entry {
struct list_head head;
struct kref refcount;
/** Handle count of this object. Each handle also holds a reference */
- struct kref handlecount;
+ atomic_t handle_count; /* number of handles on this object */
/** Related drm device */
struct drm_device *dev;
int (*suspend) (struct drm_device *, pm_message_t state);
int (*resume) (struct drm_device *);
int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
- void (*dma_ready) (struct drm_device *);
int (*dma_quiescent) (struct drm_device *);
- int (*context_ctor) (struct drm_device *dev, int context);
int (*context_dtor) (struct drm_device *dev, int context);
- int (*kernel_context_switch) (struct drm_device *dev, int old,
- int new);
- void (*kernel_context_switch_unlock) (struct drm_device *dev);
/**
* get_vblank_counter - get raw hardware vblank counter
struct drm_file *file_priv);
void (*reclaim_buffers_idlelocked) (struct drm_device *dev,
struct drm_file *file_priv);
- resource_size_t (*get_map_ofs) (struct drm_local_map * map);
- resource_size_t (*get_reg_ofs) (struct drm_device *dev);
void (*set_version) (struct drm_device *dev,
struct drm_set_version *sv);
void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv,
bool from_release);
- int (*proc_init)(struct drm_minor *minor);
- void (*proc_cleanup)(struct drm_minor *minor);
int (*debugfs_init)(struct drm_minor *minor);
void (*debugfs_cleanup)(struct drm_minor *minor);
*/
int (*gem_init_object) (struct drm_gem_object *obj);
void (*gem_free_object) (struct drm_gem_object *obj);
- void (*gem_free_object_unlocked) (struct drm_gem_object *obj);
/* vga arb irq handler */
void (*vgaarb_irq)(struct drm_device *dev, bool state);
__volatile__ long context_flag; /**< Context swapping flag */
__volatile__ long interrupt_flag; /**< Interruption handler flag */
__volatile__ long dma_flag; /**< DMA dispatch flag */
- struct timer_list timer; /**< Timer for delaying ctx switch */
wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */
int last_checked; /**< Last context checked for DMA */
int last_context; /**< Last current context */
struct drm_minor *control; /**< Control node for card */
struct drm_minor *primary; /**< render type primary screen head */
- /** \name Drawable information */
- /*@{ */
- spinlock_t drw_lock;
- struct idr drw_idr;
- /*@} */
-
struct drm_mode_config mode_config; /**< Current mode config */
/** \name GEM information */
/*@{ */
spinlock_t object_name_lock;
struct idr object_name_idr;
- atomic_t object_count;
- atomic_t object_memory;
- atomic_t pin_count;
- atomic_t pin_memory;
- atomic_t gtt_count;
- atomic_t gtt_memory;
- uint32_t gtt_total;
uint32_t invalidate_domains; /* domains pending invalidation */
uint32_t flush_domains; /* domains pending flush */
/*@} */
extern int drm_mmap(struct file *filp, struct vm_area_struct *vma);
extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma);
extern void drm_vm_open_locked(struct vm_area_struct *vma);
-extern resource_size_t drm_core_get_map_ofs(struct drm_local_map * map);
-extern resource_size_t drm_core_get_reg_ofs(struct drm_device *dev);
+extern void drm_vm_close_locked(struct vm_area_struct *vma);
extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
/* Memory management support (drm_memory.h) */
int request, int *eof, void *data);
extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area);
-extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type);
-extern int drm_free_agp(DRM_AGP_MEM * handle, int pages);
+extern void drm_free_agp(DRM_AGP_MEM * handle, int pages);
extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
struct page **pages,
extern int drm_getsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
- /* Drawable IOCTL support (drm_drawable.h) */
-extern int drm_adddraw(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_rmdraw(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_update_drawable_info(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
- drm_drawable_t id);
-extern void drm_drawable_free_all(struct drm_device *dev);
-
/* Authentication IOCTL support (drm_auth.h) */
extern int drm_getmagic(struct drm_device *dev, void *data,
struct drm_file *file_priv);
struct drm_file *file_priv);
extern int drm_unlock(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context);
extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context);
extern void drm_idlelock_take(struct drm_lock_data *lock_data);
extern void drm_idlelock_release(struct drm_lock_data *lock_data);
extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type);
-extern int drm_agp_free_memory(DRM_AGP_MEM * handle);
-extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start);
-extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
extern void drm_agp_chipset_flush(struct drm_device *dev);
/* Stub support (drm_stub.h) */
extern int drm_vblank_info(struct seq_file *m, void *data);
extern int drm_clients_info(struct seq_file *m, void* data);
extern int drm_gem_name_info(struct seq_file *m, void *data);
-extern int drm_gem_object_info(struct seq_file *m, void* data);
#if DRM_DEBUG_CODE
extern int drm_vma_info(struct seq_file *m, void *data);
void drm_gem_destroy(struct drm_device *dev);
void drm_gem_object_release(struct drm_gem_object *obj);
void drm_gem_object_free(struct kref *kref);
-void drm_gem_object_free_unlocked(struct kref *kref);
struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
size_t size);
int drm_gem_object_init(struct drm_device *dev,
struct drm_gem_object *obj, size_t size);
-void drm_gem_object_handle_free(struct kref *kref);
+void drm_gem_object_handle_free(struct drm_gem_object *obj);
void drm_gem_vm_open(struct vm_area_struct *vma);
void drm_gem_vm_close(struct vm_area_struct *vma);
int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
static inline void
drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
{
- if (obj != NULL)
- kref_put(&obj->refcount, drm_gem_object_free_unlocked);
+ if (obj != NULL) {
+ struct drm_device *dev = obj->dev;
+ mutex_lock(&dev->struct_mutex);
+ kref_put(&obj->refcount, drm_gem_object_free);
+ mutex_unlock(&dev->struct_mutex);
+ }
}
int drm_gem_handle_create(struct drm_file *file_priv,
drm_gem_object_handle_reference(struct drm_gem_object *obj)
{
drm_gem_object_reference(obj);
- kref_get(&obj->handlecount);
+ atomic_inc(&obj->handle_count);
}
static inline void
if (obj == NULL)
return;
+ if (atomic_read(&obj->handle_count) == 0)
+ return;
/*
* Must bump handle count first as this may be the last
* ref, in which case the object would disappear before we
* checked for a name
*/
- kref_put(&obj->handlecount, drm_gem_object_handle_free);
+ if (atomic_dec_and_test(&obj->handle_count))
+ drm_gem_object_handle_free(obj);
drm_gem_object_unreference(obj);
}
if (obj == NULL)
return;
+ if (atomic_read(&obj->handle_count) == 0)
+ return;
+
/*
* Must bump handle count first as this may be the last
* ref, in which case the object would disappear before we
* checked for a name
*/
- kref_put(&obj->handlecount, drm_gem_object_handle_free);
+
+ if (atomic_dec_and_test(&obj->handle_count))
+ drm_gem_object_handle_free(obj);
drm_gem_object_unreference_unlocked(obj);
}
projects / mv-sheeva.git / blobdiff