Blame - drivers/gpu/drm/nouveau/nouveau_bo.h - kernel/msm-5.4

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Ben Skeggs	8be21a6	2012-07-18 17:17:09 +1000	[diff] [blame]	1	#ifndef __NOUVEAU_BO_H__
				2	#define __NOUVEAU_BO_H__
				3
				4	struct nouveau_channel;
Ben Skeggs	ebb945a	2012-07-20 08:17:34 +1000	[diff] [blame]	5	struct nouveau_fence;
Ben Skeggs	8be21a6	2012-07-18 17:17:09 +1000	[diff] [blame]	6	struct nouveau_vma;
				7
Ben Skeggs	8be21a6	2012-07-18 17:17:09 +1000	[diff] [blame]	8	struct nouveau_bo {
				9	struct ttm_buffer_object bo;
				10	struct ttm_placement placement;
				11	u32 valid_domains;
				12	u32 placements[3];
				13	u32 busy_placements[3];
				14	struct ttm_bo_kmap_obj kmap;
				15	struct list_head head;
				16
				17	/* protected by ttm_bo_reserve() */
				18	struct drm_file *reserved_by;
				19	struct list_head entry;
				20	int pbbo_index;
				21	bool validate_mapped;
				22
				23	struct list_head vma_list;
				24	unsigned page_shift;
				25
				26	u32 tile_mode;
				27	u32 tile_flags;
Ben Skeggs	ebb945a	2012-07-20 08:17:34 +1000	[diff] [blame]	28	struct nouveau_drm_tile *tile;
Ben Skeggs	8be21a6	2012-07-18 17:17:09 +1000	[diff] [blame]	29
David Herrmann	55fb74a	2013-10-02 10:15:17 +0200	[diff] [blame]	30	/* Only valid if allocated via nouveau_gem_new() and iff you hold a
				31	* gem reference to it! For debugging, use gem.filp != NULL to test
				32	* whether it is valid. */
				33	struct drm_gem_object gem;
Daniel Vetter	0ae6d7b	2012-12-11 21:52:30 +0100	[diff] [blame]	34
				35	/* protect by the ttm reservation lock */
Ben Skeggs	8be21a6	2012-07-18 17:17:09 +1000	[diff] [blame]	36	int pin_refcnt;
				37
				38	struct ttm_bo_kmap_obj dma_buf_vmap;
Ben Skeggs	8be21a6	2012-07-18 17:17:09 +1000	[diff] [blame]	39	};
				40
				41	static inline struct nouveau_bo *
				42	nouveau_bo(struct ttm_buffer_object *bo)
				43	{
				44	return container_of(bo, struct nouveau_bo, bo);
				45	}
				46
				47	static inline int
				48	nouveau_bo_ref(struct nouveau_bo ref, struct nouveau_bo *pnvbo)
				49	{
				50	struct nouveau_bo *prev;
				51
				52	if (!pnvbo)
				53	return -EINVAL;
				54	prev = *pnvbo;
				55
				56	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
				57	if (prev) {
				58	struct ttm_buffer_object *bo = &prev->bo;
				59
				60	ttm_bo_unref(&bo);
				61	}
				62
				63	return 0;
				64	}
				65
				66	extern struct ttm_bo_driver nouveau_bo_driver;
				67
Ben Skeggs	4998104	2012-08-06 19:38:25 +1000	[diff] [blame]	68	void nouveau_bo_move_init(struct nouveau_drm *);
Ben Skeggs	8be21a6	2012-07-18 17:17:09 +1000	[diff] [blame]	69	int nouveau_bo_new(struct drm_device *, int size, int align, u32 flags,
				70	u32 tile_mode, u32 tile_flags, struct sg_table *sg,
				71	struct nouveau_bo **);
				72	int nouveau_bo_pin(struct nouveau_bo *, u32 flags);
				73	int nouveau_bo_unpin(struct nouveau_bo *);
				74	int nouveau_bo_map(struct nouveau_bo *);
				75	void nouveau_bo_unmap(struct nouveau_bo *);
				76	void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
				77	u16 nouveau_bo_rd16(struct nouveau_bo *, unsigned index);
				78	void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
				79	u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
				80	void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
				81	void nouveau_bo_fence(struct nouveau_bo , struct nouveau_fence );
				82	int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
Maarten Lankhorst	97a875c	2012-11-28 11:25:44 +0000	[diff] [blame]	83	bool no_wait_gpu);
Ben Skeggs	8be21a6	2012-07-18 17:17:09 +1000	[diff] [blame]	84
				85	struct nouveau_vma *
				86	nouveau_bo_vma_find(struct nouveau_bo , struct nouveau_vm );
				87
				88	int nouveau_bo_vma_add(struct nouveau_bo , struct nouveau_vm ,
				89	struct nouveau_vma *);
				90	void nouveau_bo_vma_del(struct nouveau_bo , struct nouveau_vma );
				91
Ben Skeggs	ebb945a	2012-07-20 08:17:34 +1000	[diff] [blame]	92	/* TODO: submit equivalent to TTM generic API upstream? */
				93	static inline void __iomem *
				94	nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
				95	{
				96	bool is_iomem;
				97	void __iomem ioptr = (void __force __iomem )ttm_kmap_obj_virtual(
				98	&nvbo->kmap, &is_iomem);
				99	WARN_ON_ONCE(ioptr && !is_iomem);
				100	return ioptr;
				101	}
				102
Ben Skeggs	8be21a6	2012-07-18 17:17:09 +1000	[diff] [blame]	103	#endif