[linux-2.6-block.git] / drivers / gpu / drm / nouveau / nouveau_bo.h

#ifndef __NOUVEAU_BO_H__
#define __NOUVEAU_BO_H__

#include <drm/drm_gem.h>

struct nouveau_channel;
struct nouveau_fence;
struct nouveau_vma;

struct nouveau_bo {
	struct ttm_buffer_object bo;
	struct ttm_placement placement;
	u32 valid_domains;
	struct ttm_place placements[3];
	struct ttm_place busy_placements[3];
	struct ttm_bo_kmap_obj kmap;
	struct list_head head;

	/* protected by ttm_bo_reserve() */
	struct drm_file *reserved_by;
	struct list_head entry;
	int pbbo_index;
	bool validate_mapped;

	struct list_head vma_list;
	unsigned page_shift;

	u32 tile_mode;
	u32 tile_flags;
	struct nouveau_drm_tile *tile;

	/* Only valid if allocated via nouveau_gem_new() and iff you hold a
	 * gem reference to it! For debugging, use gem.filp != NULL to test
	 * whether it is valid. */
	struct drm_gem_object gem;

	/* protect by the ttm reservation lock */
	int pin_refcnt;

	struct ttm_bo_kmap_obj dma_buf_vmap;
};

static inline struct nouveau_bo *
nouveau_bo(struct ttm_buffer_object *bo)
{
	return container_of(bo, struct nouveau_bo, bo);
}

static inline int
nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
{
	struct nouveau_bo *prev;

	if (!pnvbo)
		return -EINVAL;
	prev = *pnvbo;

	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
	if (prev) {
		struct ttm_buffer_object *bo = &prev->bo;

		ttm_bo_unref(&bo);
	}

	return 0;
}

extern struct ttm_bo_driver nouveau_bo_driver;

void nouveau_bo_move_init(struct nouveau_drm *);
int  nouveau_bo_new(struct drm_device *, int size, int align, u32 flags,
		    u32 tile_mode, u32 tile_flags, struct sg_table *sg,
		    struct reservation_object *robj,
		    struct nouveau_bo **);
int  nouveau_bo_pin(struct nouveau_bo *, u32 flags);
int  nouveau_bo_unpin(struct nouveau_bo *);
int  nouveau_bo_map(struct nouveau_bo *);
void nouveau_bo_unmap(struct nouveau_bo *);
void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
u16  nouveau_bo_rd16(struct nouveau_bo *, unsigned index);
void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
u32  nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
int  nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
			 bool no_wait_gpu);

struct nouveau_vma *
nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *);

int  nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *,
			struct nouveau_vma *);
void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *);

/* TODO: submit equivalent to TTM generic API upstream? */
static inline void __iomem *
nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
{
	bool is_iomem;
	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
						&nvbo->kmap, &is_iomem);
	WARN_ON_ONCE(ioptr && !is_iomem);
	return ioptr;
}

#endif
Commit	Line	Data
8be21a64 BS	1	#ifndef __NOUVEAU_BO_H__
	2	#define __NOUVEAU_BO_H__
	3
d9fc9413 DV	4	#include <drm/drm_gem.h>
d9fc9413 DV	5
8be21a64	6	struct nouveau_channel;
ebb945a9	7	struct nouveau_fence;
8be21a64 BS	8	struct nouveau_vma;
8be21a64 BS	9
8be21a64 BS	10	struct nouveau_bo {
	11	struct ttm_buffer_object bo;
	12	struct ttm_placement placement;
	13	u32 valid_domains;
f1217ed0 CK	14	struct ttm_place placements[3];
f1217ed0 CK	15	struct ttm_place busy_placements[3];
8be21a64 BS	16	struct ttm_bo_kmap_obj kmap;
	17	struct list_head head;
	18
	19	/* protected by ttm_bo_reserve() */
	20	struct drm_file *reserved_by;
	21	struct list_head entry;
	22	int pbbo_index;
	23	bool validate_mapped;
	24
	25	struct list_head vma_list;
	26	unsigned page_shift;
	27
	28	u32 tile_mode;
	29	u32 tile_flags;
ebb945a9	30	struct nouveau_drm_tile *tile;
8be21a64	31
55fb74ad DH	32	/* Only valid if allocated via nouveau_gem_new() and iff you hold a
	33	* gem reference to it! For debugging, use gem.filp != NULL to test
	34	* whether it is valid. */
	35	struct drm_gem_object gem;
0ae6d7bc DV	36
0ae6d7bc DV	37	/* protect by the ttm reservation lock */
8be21a64 BS	38	int pin_refcnt;
	39
	40	struct ttm_bo_kmap_obj dma_buf_vmap;
8be21a64 BS	41	};
	42
	43	static inline struct nouveau_bo *
	44	nouveau_bo(struct ttm_buffer_object *bo)
	45	{
	46	return container_of(bo, struct nouveau_bo, bo);
	47	}
	48
	49	static inline int
	50	nouveau_bo_ref(struct nouveau_bo ref, struct nouveau_bo *pnvbo)
	51	{
	52	struct nouveau_bo *prev;
	53
	54	if (!pnvbo)
	55	return -EINVAL;
	56	prev = *pnvbo;
	57
	58	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
	59	if (prev) {
	60	struct ttm_buffer_object *bo = &prev->bo;
	61
	62	ttm_bo_unref(&bo);
	63	}
	64
	65	return 0;
	66	}
	67
	68	extern struct ttm_bo_driver nouveau_bo_driver;
	69
49981046	70	void nouveau_bo_move_init(struct nouveau_drm *);
8be21a64 BS	71	int nouveau_bo_new(struct drm_device *, int size, int align, u32 flags,
8be21a64 BS	72	u32 tile_mode, u32 tile_flags, struct sg_table *sg,
bb6178b0	73	struct reservation_object *robj,
8be21a64 BS	74	struct nouveau_bo **);
	75	int nouveau_bo_pin(struct nouveau_bo *, u32 flags);
	76	int nouveau_bo_unpin(struct nouveau_bo *);
	77	int nouveau_bo_map(struct nouveau_bo *);
	78	void nouveau_bo_unmap(struct nouveau_bo *);
	79	void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
	80	u16 nouveau_bo_rd16(struct nouveau_bo *, unsigned index);
	81	void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
	82	u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
	83	void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
809e9447	84	void nouveau_bo_fence(struct nouveau_bo , struct nouveau_fence , bool exclusive);
8be21a64	85	int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
97a875cb	86	bool no_wait_gpu);
8be21a64 BS	87
	88	struct nouveau_vma *
	89	nouveau_bo_vma_find(struct nouveau_bo , struct nouveau_vm );
	90
	91	int nouveau_bo_vma_add(struct nouveau_bo , struct nouveau_vm ,
	92	struct nouveau_vma *);
	93	void nouveau_bo_vma_del(struct nouveau_bo , struct nouveau_vma );
	94
ebb945a9 BS	95	/* TODO: submit equivalent to TTM generic API upstream? */
	96	static inline void __iomem *
	97	nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
	98	{
	99	bool is_iomem;
	100	void __iomem ioptr = (void __force __iomem )ttm_kmap_obj_virtual(
	101	&nvbo->kmap, &is_iomem);
	102	WARN_ON_ONCE(ioptr && !is_iomem);
	103	return ioptr;
	104	}
	105
8be21a64	106	#endif