diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h new file mode 100644 index 000000000..2a23c8207 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_bo.h @@ -0,0 +1,180 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NOUVEAU_BO_H__ +#define __NOUVEAU_BO_H__ +#include <drm/ttm/ttm_bo_driver.h> +#include <drm/drm_gem.h> + +struct nouveau_channel; +struct nouveau_cli; +struct nouveau_drm; +struct nouveau_fence; + +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]; + bool force_coherent; + struct ttm_bo_kmap_obj kmap; + struct list_head head; + struct list_head io_reserve_lru; + + /* protected by ttm_bo_reserve() */ + struct drm_file *reserved_by; + struct list_head entry; + int pbbo_index; + bool validate_mapped; + + /* GPU address space is independent of CPU word size */ + uint64_t offset; + + struct list_head vma_list; + + unsigned contig:1; + unsigned page:5; + unsigned kind:8; + unsigned comp:3; + unsigned zeta:3; + unsigned mode; + + struct nouveau_drm_tile *tile; + + /* 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; + + if (ref) { + ttm_bo_get(&ref->bo); + *pnvbo = nouveau_bo(&ref->bo); + } else { + *pnvbo = NULL; + } + if (prev) + ttm_bo_put(&prev->bo); + + return 0; +} + +extern struct ttm_bo_driver nouveau_bo_driver; + +void nouveau_bo_move_init(struct nouveau_drm *); +struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align, + u32 domain, u32 tile_mode, u32 tile_flags); +int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain, + struct sg_table *sg, struct dma_resv *robj); +int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain, + u32 tile_mode, u32 tile_flags, struct sg_table *sg, + struct dma_resv *robj, + struct nouveau_bo **); +int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); +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); +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); +void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); +void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); +void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo); +void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo); + +/* 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; +} + +static inline void +nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo) +{ + if (*pnvbo) { + nouveau_bo_unmap(*pnvbo); + nouveau_bo_unpin(*pnvbo); + nouveau_bo_ref(NULL, pnvbo); + } +} + +static inline int +nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain, + struct nouveau_bo **pnvbo) +{ + int ret = nouveau_bo_new(cli, size, align, domain, + 0, 0, NULL, NULL, pnvbo); + if (ret == 0) { + ret = nouveau_bo_pin(*pnvbo, domain, true); + if (ret == 0) { + ret = nouveau_bo_map(*pnvbo); + if (ret == 0) + return ret; + nouveau_bo_unpin(*pnvbo); + } + nouveau_bo_ref(NULL, pnvbo); + } + return ret; +} + +int nv04_bo_move_init(struct nouveau_channel *, u32); +int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, + struct ttm_resource *, struct ttm_resource *); + +int nv50_bo_move_init(struct nouveau_channel *, u32); +int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, + struct ttm_resource *, struct ttm_resource *); + +int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *, + struct ttm_resource *, struct ttm_resource *); + +int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, + struct ttm_resource *, struct ttm_resource *); + +int nvc0_bo_move_init(struct nouveau_channel *, u32); +int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, + struct ttm_resource *, struct ttm_resource *); + +int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, + struct ttm_resource *, struct ttm_resource *); + +int nve0_bo_move_init(struct nouveau_channel *, u32); +int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, + struct ttm_resource *, struct ttm_resource *); + +#define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f)) +#define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr)) +#define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A) +#define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A) +#define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A) +#define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A) +#define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A) +#define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A) +#define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A) +#define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A) +#define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A) +#define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A) +#endif |