diff options
Diffstat (limited to 'linux-core/drm_objects.h')
| -rw-r--r-- | linux-core/drm_objects.h | 445 |
1 files changed, 305 insertions, 140 deletions
diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h index 03ea927e..cea811eb 100644 --- a/linux-core/drm_objects.h +++ b/linux-core/drm_objects.h @@ -32,6 +32,7 @@ #define _DRM_OBJECTS_H struct drm_device; +struct drm_bo_mem_reg; /*************************************************** * User space objects. (drm_object.c) @@ -39,14 +40,19 @@ struct drm_device; #define drm_user_object_entry(_ptr, _type, _member) container_of(_ptr, _type, _member) -typedef enum { +enum drm_object_type { drm_fence_type, drm_buffer_type, - drm_ttm_type + drm_lock_type, /* * Add other user space object types here. */ -} drm_object_type_t; + drm_driver_type0 = 256, + drm_driver_type1, + drm_driver_type2, + drm_driver_type3, + drm_driver_type4 +}; /* * A user object is a structure that helps the drm give out user handles @@ -55,20 +61,20 @@ typedef enum { * Designed to be accessible using a user space 32-bit handle. */ -typedef struct drm_user_object { - drm_hash_item_t hash; +struct drm_user_object { + struct drm_hash_item hash; struct list_head list; - drm_object_type_t type; + enum drm_object_type type; atomic_t refcount; int shareable; - drm_file_t *owner; - void (*ref_struct_locked) (drm_file_t * priv, + struct drm_file *owner; + void (*ref_struct_locked) (struct drm_file * 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; + enum drm_ref_type ref_action); + void (*unref) (struct drm_file * priv, struct drm_user_object * obj, + enum drm_ref_type unref_action); + void (*remove) (struct drm_file * priv, struct drm_user_object * obj); +}; /* * A ref object is a structure which is used to @@ -77,50 +83,41 @@ typedef struct drm_user_object { * process exits. Designed to be accessible using a pointer to the _user_ object. */ -typedef struct drm_ref_object { - drm_hash_item_t hash; +struct drm_ref_object { + struct drm_hash_item hash; struct list_head list; atomic_t refcount; - drm_ref_t unref_action; -} drm_ref_object_t; + enum drm_ref_type unref_action; +}; /** * Must be called with the struct_mutex held. */ -extern int drm_add_user_object(drm_file_t * priv, drm_user_object_t * item, +extern int drm_add_user_object(struct drm_file * priv, struct drm_user_object * item, int shareable); /** * Must be called with the struct_mutex held. */ -extern drm_user_object_t *drm_lookup_user_object(drm_file_t * priv, +extern struct drm_user_object *drm_lookup_user_object(struct drm_file * 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); +extern int drm_add_ref_object(struct drm_file * priv, + struct drm_user_object * referenced_object, + enum drm_ref_type 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); +struct drm_ref_object *drm_lookup_ref_object(struct drm_file * priv, + struct drm_user_object * referenced_object, + enum drm_ref_type 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 @@ -128,19 +125,20 @@ drm_ref_object_t *drm_lookup_ref_object(drm_file_t * priv, * 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); +extern void drm_remove_ref_object(struct drm_file * priv, struct drm_ref_object * item); +extern int drm_user_object_ref(struct drm_file * priv, uint32_t user_token, + enum drm_object_type type, + struct drm_user_object ** object); +extern int drm_user_object_unref(struct drm_file * priv, uint32_t user_token, + enum drm_object_type type); /*************************************************** * Fence objects. (drm_fence.c) */ -typedef struct drm_fence_object { - drm_user_object_t base; +struct drm_fence_object { + struct drm_user_object base; + struct drm_device *dev; atomic_t usage; /* @@ -148,71 +146,95 @@ typedef struct drm_fence_object { */ struct list_head ring; - int class; + int fence_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; + uint32_t error; +}; #define _DRM_FENCE_CLASSES 8 #define _DRM_FENCE_TYPE_EXE 0x00 -typedef struct drm_fence_class_manager { +struct drm_fence_class_manager { struct list_head ring; uint32_t pending_flush; wait_queue_head_t fence_queue; int pending_exe_flush; uint32_t last_exe_flush; uint32_t exe_flush_sequence; -} drm_fence_class_manager_t; +}; -typedef struct drm_fence_manager { +struct drm_fence_manager { int initialized; rwlock_t lock; - drm_fence_class_manager_t class[_DRM_FENCE_CLASSES]; + struct drm_fence_class_manager fence_class[_DRM_FENCE_CLASSES]; uint32_t num_classes; atomic_t count; -} drm_fence_manager_t; +}; -typedef struct drm_fence_driver { +struct drm_fence_driver { uint32_t num_classes; uint32_t wrap_diff; uint32_t flush_diff; uint32_t sequence_mask; int lazy_capable; - int (*has_irq) (struct drm_device * dev, uint32_t class, + int (*has_irq) (struct drm_device * dev, uint32_t fence_class, uint32_t flags); - int (*emit) (struct drm_device * dev, uint32_t class, uint32_t flags, + int (*emit) (struct drm_device * dev, uint32_t fence_class, uint32_t flags, uint32_t * breadcrumb, uint32_t * native_type); - void (*poke_flush) (struct drm_device * dev, uint32_t class); -} drm_fence_driver_t; + void (*poke_flush) (struct drm_device * dev, uint32_t fence_class); +}; -extern void drm_fence_handler(struct drm_device *dev, uint32_t class, - uint32_t sequence, uint32_t type); +extern void drm_fence_handler(struct drm_device *dev, uint32_t fence_class, + uint32_t sequence, uint32_t type, uint32_t error); extern void drm_fence_manager_init(struct drm_device *dev); extern void drm_fence_manager_takedown(struct drm_device *dev); -extern void drm_fence_flush_old(struct drm_device *dev, uint32_t class, +extern void drm_fence_flush_old(struct drm_device *dev, uint32_t fence_class, uint32_t sequence); -extern int drm_fence_object_flush(struct drm_device *dev, - drm_fence_object_t * fence, uint32_t type); -extern int drm_fence_object_signaled(drm_fence_object_t * fence, uint32_t type); -extern void drm_fence_usage_deref_locked(struct drm_device *dev, - drm_fence_object_t * fence); -extern void drm_fence_usage_deref_unlocked(struct drm_device *dev, - drm_fence_object_t * fence); -extern int drm_fence_object_wait(struct drm_device *dev, - drm_fence_object_t * fence, +extern int drm_fence_object_flush(struct drm_fence_object * fence, uint32_t type); +extern int drm_fence_object_signaled(struct drm_fence_object * fence, + uint32_t type, int flush); +extern void drm_fence_usage_deref_locked(struct drm_fence_object ** fence); +extern void drm_fence_usage_deref_unlocked(struct drm_fence_object ** fence); +extern struct drm_fence_object *drm_fence_reference_locked(struct drm_fence_object *src); +extern void drm_fence_reference_unlocked(struct drm_fence_object **dst, + struct drm_fence_object *src); +extern int drm_fence_object_wait(struct drm_fence_object * fence, int lazy, int ignore_signals, uint32_t mask); extern int drm_fence_object_create(struct drm_device *dev, uint32_t type, - uint32_t fence_flags, uint32_t class, - 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); - + uint32_t fence_flags, uint32_t fence_class, + struct drm_fence_object ** c_fence); +extern int drm_fence_object_emit(struct drm_fence_object * fence, + uint32_t fence_flags, uint32_t class, + uint32_t type); +extern void drm_fence_fill_arg(struct drm_fence_object *fence, + struct drm_fence_arg *arg); + +extern int drm_fence_add_user_object(struct drm_file * priv, + struct drm_fence_object * fence, int shareable); + +extern int drm_fence_create_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_fence_destroy_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_fence_reference_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_fence_unreference_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_fence_signaled_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_fence_flush_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_fence_wait_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_fence_emit_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_fence_buffers_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); /************************************************** *TTMs */ @@ -234,34 +256,33 @@ extern int drm_fence_ioctl(DRM_IOCTL_ARGS); #define DRM_BE_FLAG_BOUND_CACHED 0x00000002 struct drm_ttm_backend; -typedef struct drm_ttm_backend_func { +struct drm_ttm_backend_func { int (*needs_ub_cache_adjust) (struct drm_ttm_backend * backend); int (*populate) (struct drm_ttm_backend * backend, unsigned long num_pages, struct page ** pages); void (*clear) (struct drm_ttm_backend * backend); int (*bind) (struct drm_ttm_backend * backend, - unsigned long offset, int cached); + struct drm_bo_mem_reg * bo_mem); int (*unbind) (struct drm_ttm_backend * backend); void (*destroy) (struct drm_ttm_backend * backend); -} drm_ttm_backend_func_t; +}; typedef struct drm_ttm_backend { - uint32_t flags; - int mem_type; - drm_ttm_backend_func_t *func; + struct drm_device *dev; + uint32_t flags; + struct drm_ttm_backend_func *func; } drm_ttm_backend_t; -typedef struct drm_ttm { +struct drm_ttm { struct page **pages; uint32_t page_flags; unsigned long num_pages; - unsigned long aper_offset; atomic_t vma_count; struct drm_device *dev; int destroy; uint32_t mapping_offset; - drm_ttm_backend_t *be; + struct drm_ttm_backend *be; enum { ttm_bound, ttm_evicted, @@ -269,14 +290,16 @@ typedef struct drm_ttm { ttm_unpopulated, } state; -} drm_ttm_t; +}; -extern drm_ttm_t *drm_ttm_init(struct drm_device *dev, unsigned long size); -extern int drm_bind_ttm(drm_ttm_t * ttm, int cached, unsigned long aper_offset); -extern void drm_ttm_unbind(drm_ttm_t * ttm); -extern void drm_ttm_evict(drm_ttm_t * ttm); -extern void drm_ttm_fixup_caching(drm_ttm_t * ttm); -extern struct page *drm_ttm_get_page(drm_ttm_t * ttm, int index); +extern struct drm_ttm *drm_ttm_init(struct drm_device *dev, unsigned long size); +extern int drm_bind_ttm(struct drm_ttm * ttm, struct drm_bo_mem_reg *bo_mem); +extern void drm_ttm_unbind(struct drm_ttm * ttm); +extern void drm_ttm_evict(struct drm_ttm * ttm); +extern void drm_ttm_fixup_caching(struct drm_ttm * ttm); +extern struct page *drm_ttm_get_page(struct drm_ttm * ttm, int index); +extern void drm_ttm_cache_flush(void); +extern int drm_ttm_populate(struct drm_ttm * ttm); /* * Destroy a ttm. The user normally calls drmRmMap or a similar IOCTL to do this, @@ -284,7 +307,7 @@ extern struct page *drm_ttm_get_page(drm_ttm_t * ttm, int index); * when the last vma exits. */ -extern int drm_destroy_ttm(drm_ttm_t * ttm); +extern int drm_destroy_ttm(struct drm_ttm * ttm); #define DRM_FLAG_MASKED(_old, _new, _mask) {\ (_old) ^= (((_old) ^ (_new)) & (_mask)); \ @@ -307,19 +330,27 @@ extern int drm_destroy_ttm(drm_ttm_t * ttm); * Buffer objects. (drm_bo.c, drm_bo_move.c) */ -typedef struct drm_bo_mem_reg { - drm_mm_node_t *mm_node; +struct drm_bo_mem_reg { + struct drm_mm_node *mm_node; unsigned long size; unsigned long num_pages; uint32_t page_alignment; uint32_t mem_type; - uint32_t flags; - uint32_t mask; -} drm_bo_mem_reg_t; - -typedef struct drm_buffer_object { + uint64_t flags; + uint64_t mask; + uint32_t desired_tile_stride; + uint32_t hw_tile_stride; +}; + +enum drm_bo_type { + drm_bo_type_dc, + drm_bo_type_user, + drm_bo_type_kernel, /* for initial kernel allocations */ +}; + +struct drm_buffer_object { struct drm_device *dev; - drm_user_object_t base; + struct drm_user_object base; /* * If there is a possibility that the usage variable is zero, @@ -328,30 +359,32 @@ typedef struct drm_buffer_object { atomic_t usage; unsigned long buffer_start; - drm_bo_type_t type; + enum drm_bo_type type; unsigned long offset; atomic_t mapped; - drm_bo_mem_reg_t mem; + struct drm_bo_mem_reg mem; struct list_head lru; struct list_head ddestroy; uint32_t fence_type; uint32_t fence_class; - drm_fence_object_t *fence; + uint32_t new_fence_type; + uint32_t new_fence_class; + struct drm_fence_object *fence; uint32_t priv_flags; wait_queue_head_t event_queue; struct mutex mutex; + unsigned long num_pages; /* For pinned buffers */ - drm_mm_node_t *pinned_node; + struct drm_mm_node *pinned_node; uint32_t pinned_mem_type; struct list_head pinned_lru; /* For vm */ - - drm_ttm_t *ttm; - drm_map_list_t map_list; + struct drm_ttm *ttm; + struct drm_map_list map_list; uint32_t memory_type; unsigned long bus_offset; uint32_t vm_flags; @@ -363,23 +396,31 @@ typedef struct drm_buffer_object { struct list_head p_mm_list; #endif -} drm_buffer_object_t; +}; #define _DRM_BO_FLAG_UNFENCED 0x00000001 #define _DRM_BO_FLAG_EVICTED 0x00000002 -typedef struct drm_mem_type_manager { +struct drm_mem_type_manager { int has_type; int use_type; - drm_mm_t manager; + struct drm_mm manager; struct list_head lru; struct list_head pinned; uint32_t flags; uint32_t drm_bus_maptype; + unsigned long gpu_offset; unsigned long io_offset; unsigned long io_size; void *io_addr; -} drm_mem_type_manager_t; +}; + +struct drm_bo_lock { + struct drm_user_object base; + wait_queue_head_t queue; + atomic_t write_lock_pending; + atomic_t readers; +}; #define _DRM_FLAG_MEMTYPE_FIXED 0x00000001 /* Fixed (on-card) PCI memory */ #define _DRM_FLAG_MEMTYPE_MAPPABLE 0x00000002 /* Memory mappable */ @@ -389,13 +430,13 @@ typedef struct drm_mem_type_manager { #define _DRM_FLAG_MEMTYPE_CMA 0x00000010 /* Can't map aperture */ #define _DRM_FLAG_MEMTYPE_CSELECT 0x00000020 /* Select caching */ -typedef struct drm_buffer_manager { - struct mutex init_mutex; - struct mutex evict_mutex; +struct drm_buffer_manager { + struct drm_bo_lock bm_lock; + struct mutex evict_mutex; int nice_mode; int initialized; - drm_file_t *last_to_validate; - drm_mem_type_manager_t man[DRM_BO_MEM_TYPES]; + struct drm_file *last_to_validate; + struct drm_mem_type_manager man[DRM_BO_MEM_TYPES]; struct list_head unfenced; struct list_head ddestroy; #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) @@ -406,69 +447,193 @@ typedef struct drm_buffer_manager { uint32_t fence_type; unsigned long cur_pages; atomic_t count; -} drm_buffer_manager_t; +}; -typedef struct drm_bo_driver { +struct drm_bo_driver { const uint32_t *mem_type_prio; const uint32_t *mem_busy_prio; uint32_t num_mem_type_prio; uint32_t num_mem_busy_prio; - drm_ttm_backend_t *(*create_ttm_backend_entry) + struct drm_ttm_backend *(*create_ttm_backend_entry) (struct drm_device * dev); - int (*fence_type) (struct drm_buffer_object *bo, uint32_t * class, uint32_t * type); - int (*invalidate_caches) (struct drm_device * dev, uint32_t flags); + int (*fence_type) (struct drm_buffer_object *bo, uint32_t *fclass, + uint32_t * type); + int (*invalidate_caches) (struct drm_device * dev, uint64_t flags); int (*init_mem_type) (struct drm_device * dev, uint32_t type, - drm_mem_type_manager_t * man); + struct drm_mem_type_manager * man); uint32_t(*evict_mask) (struct drm_buffer_object *bo); int (*move) (struct drm_buffer_object * bo, int evict, int no_wait, struct drm_bo_mem_reg * new_mem); -} drm_bo_driver_t; + void (*ttm_cache_flush)(struct drm_ttm *ttm); +}; /* * 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_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_destroy_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_map_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_unmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_reference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_unreference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_wait_idle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_setstatus_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_mm_init_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_mm_takedown_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_mm_lock_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_mm_unlock_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_version_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_bo_driver_finish(struct drm_device *dev); extern int drm_bo_driver_init(struct drm_device *dev); extern int drm_bo_pci_offset(struct drm_device *dev, - drm_bo_mem_reg_t * mem, + struct drm_bo_mem_reg * mem, unsigned long *bus_base, unsigned long *bus_offset, unsigned long *bus_size); -extern int drm_mem_reg_is_pci(struct drm_device *dev, drm_bo_mem_reg_t * mem); +extern int drm_mem_reg_is_pci(struct drm_device *dev, struct drm_bo_mem_reg * mem); -extern void drm_bo_usage_deref_locked(drm_buffer_object_t * bo); -extern int drm_fence_buffer_objects(drm_file_t * priv, +extern void drm_bo_usage_deref_locked(struct drm_buffer_object ** bo); +extern void drm_bo_usage_deref_unlocked(struct drm_buffer_object ** bo); +extern void drm_putback_buffer_objects(struct drm_device *dev); +extern int drm_fence_buffer_objects(struct drm_device * dev, struct list_head *list, uint32_t fence_flags, - drm_fence_object_t * fence, - drm_fence_object_t ** used_fence); -extern void drm_bo_add_to_lru(drm_buffer_object_t * bo); -extern int drm_bo_wait(drm_buffer_object_t * bo, int lazy, int ignore_signals, + struct drm_fence_object * fence, + struct drm_fence_object ** used_fence); +extern void drm_bo_add_to_lru(struct drm_buffer_object * bo); +extern int drm_buffer_object_create(struct drm_device *dev, unsigned long size, + enum drm_bo_type type, uint64_t mask, + uint32_t hint, uint32_t page_alignment, + unsigned long buffer_start, + struct drm_buffer_object **bo); +extern int drm_bo_wait(struct drm_buffer_object * bo, int lazy, int ignore_signals, int no_wait); -extern int drm_bo_mem_space(drm_buffer_object_t * bo, - drm_bo_mem_reg_t * mem, int no_wait); -extern int drm_bo_move_buffer(drm_buffer_object_t * bo, uint32_t new_mem_flags, +extern int drm_bo_mem_space(struct drm_buffer_object * bo, + struct drm_bo_mem_reg * mem, int no_wait); +extern int drm_bo_move_buffer(struct drm_buffer_object * bo, + uint64_t new_mem_flags, int no_wait, int move_unfenced); +extern int drm_bo_clean_mm(struct drm_device * dev, unsigned mem_type); +extern int drm_bo_init_mm(struct drm_device * dev, unsigned type, + unsigned long p_offset, unsigned long p_size); +extern int drm_bo_handle_validate(struct drm_file * file_priv, uint32_t handle, + uint32_t fence_class, uint64_t flags, + uint64_t mask, uint32_t hint, + int use_old_fence_class, + struct drm_bo_info_rep * rep, + struct drm_buffer_object **bo_rep); +extern struct drm_buffer_object *drm_lookup_buffer_object(struct drm_file * file_priv, + uint32_t handle, + int check_owner); +extern int drm_bo_do_validate(struct drm_buffer_object *bo, + uint64_t flags, uint64_t mask, uint32_t hint, + uint32_t fence_class, + int no_wait, + struct drm_bo_info_rep *rep); /* - * Buffer object memory move helpers. + * Buffer object memory move- and map helpers. * drm_bo_move.c */ -extern int drm_bo_move_ttm(drm_buffer_object_t * bo, - int evict, int no_wait, drm_bo_mem_reg_t * new_mem); -extern int drm_bo_move_memcpy(drm_buffer_object_t * bo, +extern int drm_bo_move_ttm(struct drm_buffer_object * bo, + int evict, int no_wait, struct drm_bo_mem_reg * new_mem); +extern int drm_bo_move_memcpy(struct drm_buffer_object * bo, int evict, - int no_wait, drm_bo_mem_reg_t * new_mem); -extern int drm_bo_move_accel_cleanup(drm_buffer_object_t * bo, + int no_wait, struct drm_bo_mem_reg * new_mem); +extern int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo, int evict, int no_wait, uint32_t fence_class, uint32_t fence_type, uint32_t fence_flags, - drm_bo_mem_reg_t * new_mem); + struct drm_bo_mem_reg * new_mem); +extern int drm_bo_same_page(unsigned long offset, unsigned long offset2); +extern unsigned long drm_bo_offset_end(unsigned long offset, + unsigned long end); + +struct drm_bo_kmap_obj { + void *virtual; + struct page *page; + enum { + bo_map_iomap, + bo_map_vmap, + bo_map_kmap, + bo_map_premapped, + } bo_kmap_type; +}; + +static inline void *drm_bmo_virtual(struct drm_bo_kmap_obj *map, int *is_iomem) +{ + *is_iomem = (map->bo_kmap_type == bo_map_iomap || + map->bo_kmap_type == bo_map_premapped); + return map->virtual; +} +extern void drm_bo_kunmap(struct drm_bo_kmap_obj *map); +extern int drm_bo_kmap(struct drm_buffer_object *bo, unsigned long start_page, + unsigned long num_pages, struct drm_bo_kmap_obj *map); + +/* + * drm_regman.c + */ + +struct drm_reg { + struct list_head head; + struct drm_fence_object *fence; + uint32_t fence_type; + uint32_t new_fence_type; +}; + +struct drm_reg_manager { + struct list_head free; + struct list_head lru; + struct list_head unfenced; + + int (*reg_reusable)(const struct drm_reg *reg, const void *data); + void (*reg_destroy)(struct drm_reg *reg); +}; + +extern int drm_regs_alloc(struct drm_reg_manager *manager, + const void *data, + uint32_t fence_class, + uint32_t fence_type, + int interruptible, + int no_wait, + struct drm_reg **reg); + +extern void drm_regs_fence(struct drm_reg_manager *regs, + struct drm_fence_object *fence); + +extern void drm_regs_free(struct drm_reg_manager *manager); +extern void drm_regs_add(struct drm_reg_manager *manager, struct drm_reg *reg); +extern void drm_regs_init(struct drm_reg_manager *manager, + int (*reg_reusable)(const struct drm_reg *, + const void *), + void (*reg_destroy)(struct drm_reg *)); + +/* + * drm_bo_lock.c + * Simple replacement for the hardware lock on buffer manager init and clean. + */ + + +extern void drm_bo_init_lock(struct drm_bo_lock *lock); +extern void drm_bo_read_unlock(struct drm_bo_lock *lock); +extern int drm_bo_read_lock(struct drm_bo_lock *lock); +extern int drm_bo_write_lock(struct drm_bo_lock *lock, + struct drm_file *file_priv); + +extern int drm_bo_write_unlock(struct drm_bo_lock *lock, + struct drm_file *file_priv); + +#ifdef CONFIG_DEBUG_MUTEXES +#define DRM_ASSERT_LOCKED(_mutex) \ + BUG_ON(!mutex_is_locked(_mutex) || \ + ((_mutex)->owner != current_thread_info())) +#else +#define DRM_ASSERT_LOCKED(_mutex) +#endif #endif |