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-rw-r--r--linux-core/drmP.h369
-rw-r--r--linux-core/drm_ttm.h359
2 files changed, 357 insertions, 371 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index e0afc508..c3607c3f 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -591,117 +591,9 @@ 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;
-
-struct drm_buffer_object;
#include "drm_ttm.h"
-#define _DRM_FLAG_MEMTYPE_FIXED 0x00000001 /* Fixed (on-card) PCI memory */
-#define _DRM_FLAG_MEMTYPE_MAPPABLE 0x00000002 /* Memory mappable */
-#define _DRM_FLAG_MEMTYPE_CACHED 0x00000004 /* Cached binding */
-#define _DRM_FLAG_NEEDS_IOREMAP 0x00000008 /* Fixed memory needs ioremap
- before kernel access. */
-#define _DRM_FLAG_MEMTYPE_CMA 0x00000010 /* Can't map aperture */
-#define _DRM_FLAG_MEMTYPE_CSELECT 0x00000020 /* Select caching */
-
-
-typedef struct drm_mem_type_manager {
- int has_type;
- int use_type;
- drm_mm_t manager;
- struct list_head lru;
- struct list_head pinned;
- uint32_t flags;
- uint32_t drm_bus_maptype;
- unsigned long io_offset;
- unsigned long io_size;
- void *io_addr;
-} drm_mem_type_manager_t;
-
-typedef struct drm_bo_mem_reg {
- drm_mm_node_t *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;
-
-/*
- * buffer object driver
- */
-
-typedef 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_device *dev);
- int (*fence_type)(uint32_t flags, uint32_t *class, uint32_t *type);
- int (*invalidate_caches)(struct drm_device *dev, uint32_t flags);
- int (*init_mem_type)(struct drm_device *dev, uint32_t type,
- drm_mem_type_manager_t *man);
- uint32_t (*evict_flags) (struct drm_device *dev, uint32_t type);
- int (*move)(struct drm_buffer_object *bo,
- int evict, int no_wait,
- struct drm_bo_mem_reg *new_mem);
-} drm_bo_driver_t;
-
-
/**
* DRM driver structure. This structure represent the common code for
* a family of cards. There will one drm_device for each card present
@@ -787,61 +679,6 @@ 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 (*has_irq) (struct drm_device *dev, uint32_t class, uint32_t flags);
- int (*emit) (struct drm_device *dev, uint32_t 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;
-
-#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;
- 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 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.
@@ -996,77 +833,6 @@ 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;
- unsigned long buffer_start;
- drm_bo_type_t type;
- unsigned long offset;
- atomic_t mapped;
- drm_bo_mem_reg_t mem;
-
- 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;
-
- /* For pinned buffers */
- drm_mm_node_t *pinned_node;
- uint32_t pinned_mem_type;
- struct list_head pinned_lru;
-
- /* For vm */
-
- drm_ttm_t *ttm;
- drm_map_list_t map_list;
- uint32_t memory_type;
- unsigned long bus_offset;
- uint32_t vm_flags;
- void *iomap;
-
-
-#ifdef DRM_ODD_MM_COMPAT
- /* dev->struct_mutex only protected. */
- struct list_head vma_list;
- struct list_head p_mm_list;
-#endif
-
-} 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)
@@ -1408,144 +1174,9 @@ 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 class,
- uint32_t sequence, 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_bo_pci_offset(drm_device_t *dev,
- drm_bo_mem_reg_t *mem,
- unsigned long *bus_base,
- unsigned long *bus_offset,
- unsigned long *bus_size);
-extern int drm_mem_reg_is_pci(drm_device_t *dev, drm_bo_mem_reg_t *mem);
-
-
-extern void drm_bo_usage_deref_locked(drm_buffer_object_t * bo);
-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_bo_add_to_lru(drm_buffer_object_t * bo);
-extern int drm_bo_wait(drm_buffer_object_t * 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,
- int no_wait, int move_unfenced);
-
-
-/*
- * Buffer object memory move 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,
- 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 evict,
- int no_wait,
- uint32_t fence_type,
- uint32_t fence_flags,
- drm_bo_mem_reg_t *new_mem);
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);
diff --git a/linux-core/drm_ttm.h b/linux-core/drm_ttm.h
index b96f5cee..04fb1707 100644
--- a/linux-core/drm_ttm.h
+++ b/linux-core/drm_ttm.h
@@ -32,11 +32,199 @@
#define _DRM_TTM_H
#define DRM_HAS_TTM
+struct drm_device;
+
+/***************************************************
+ * User space objects. (drm_object.c)
+ */
+
+#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;
+
+/**
+ * Must be called with the struct_mutex held.
+ */
+
+extern int drm_add_user_object(drm_file_t * priv, drm_user_object_t * item,
+ int shareable);
+/**
+ * Must be called with the struct_mutex held.
+ */
+
+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);
+
/*
- * The backend GART interface. (In our case AGP). Any similar type of device (PCIE?)
+ * 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)
+ */
+
+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;
+
+#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_fence_driver {
+ int no_types;
+ 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,
+ uint32_t flags);
+ int (*emit) (struct drm_device * dev, uint32_t 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;
+
+extern void drm_fence_handler(struct drm_device *dev, uint32_t class,
+ uint32_t sequence, uint32_t type);
+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 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,
+ 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,
+ 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);
+
+/**************************************************
+ *TTMs
+ */
+
+/*
+ * The ttm backend GTT interface. (In our case AGP).
+ * Any similar type of device (PCIE?)
* needs only to implement these functions to be usable with the "TTM" interface.
* The AGP backend implementation lives in drm_agpsupport.c
- * basically maps these calls to available functions in agpgart. Each drm device driver gets an
+ * basically maps these calls to available functions in agpgart.
+ * Each drm device driver gets an
* additional function pointer that creates these types,
* so that the device can choose the correct aperture.
* (Multiple AGP apertures, etc.)
@@ -111,4 +299,171 @@ extern int drm_destroy_ttm(drm_ttm_t * ttm);
#define DRM_TTM_PAGE_PRESENT 0x08
#define DRM_TTM_PAGE_VMALLOC 0x10
+/***************************************************
+ * Buffer objects. (drm_bo.c, drm_bo_move.c)
+ */
+
+typedef struct drm_bo_mem_reg {
+ drm_mm_node_t *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 {
+ struct drm_device *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;
+ unsigned long buffer_start;
+ drm_bo_type_t type;
+ unsigned long offset;
+ atomic_t mapped;
+ drm_bo_mem_reg_t mem;
+
+ 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;
+
+ /* For pinned buffers */
+ drm_mm_node_t *pinned_node;
+ uint32_t pinned_mem_type;
+ struct list_head pinned_lru;
+
+ /* For vm */
+
+ drm_ttm_t *ttm;
+ drm_map_list_t map_list;
+ uint32_t memory_type;
+ unsigned long bus_offset;
+ uint32_t vm_flags;
+ void *iomap;
+
+#ifdef DRM_ODD_MM_COMPAT
+ /* dev->struct_mutex only protected. */
+ struct list_head vma_list;
+ 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 {
+ int has_type;
+ int use_type;
+ drm_mm_t manager;
+ struct list_head lru;
+ struct list_head pinned;
+ uint32_t flags;
+ uint32_t drm_bus_maptype;
+ unsigned long io_offset;
+ unsigned long io_size;
+ void *io_addr;
+} drm_mem_type_manager_t;
+
+#define _DRM_FLAG_MEMTYPE_FIXED 0x00000001 /* Fixed (on-card) PCI memory */
+#define _DRM_FLAG_MEMTYPE_MAPPABLE 0x00000002 /* Memory mappable */
+#define _DRM_FLAG_MEMTYPE_CACHED 0x00000004 /* Cached binding */
+#define _DRM_FLAG_NEEDS_IOREMAP 0x00000008 /* Fixed memory needs ioremap
+ before kernel access. */
+#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;
+ int nice_mode;
+ int initialized;
+ drm_file_t *last_to_validate;
+ drm_mem_type_manager_t man[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;
+
+typedef 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_device * dev);
+ int (*fence_type) (uint32_t flags, uint32_t * class, uint32_t * type);
+ int (*invalidate_caches) (struct drm_device * dev, uint32_t flags);
+ int (*init_mem_type) (struct drm_device * dev, uint32_t type,
+ drm_mem_type_manager_t * man);
+ uint32_t(*evict_flags) (struct drm_device * dev, uint32_t type);
+ int (*move) (struct drm_buffer_object * bo,
+ int evict, int no_wait, struct drm_bo_mem_reg * new_mem);
+} drm_bo_driver_t;
+
+/*
+ * 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(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,
+ 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 void drm_bo_usage_deref_locked(drm_buffer_object_t * bo);
+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_bo_add_to_lru(drm_buffer_object_t * bo);
+extern int drm_bo_wait(drm_buffer_object_t * 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,
+ int no_wait, int move_unfenced);
+
+/*
+ * Buffer object memory move 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,
+ 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 evict,
+ int no_wait,
+ uint32_t fence_type,
+ uint32_t fence_flags,
+ drm_bo_mem_reg_t * new_mem);
+
#endif