141 lines · c
1/* SPDX-License-Identifier: MIT */2#ifndef __NOUVEAU_BO_H__3#define __NOUVEAU_BO_H__4#include <drm/drm_gem.h>5#include <drm/ttm/ttm_bo.h>6#include <drm/ttm/ttm_placement.h>7 8struct nouveau_channel;9struct nouveau_cli;10struct nouveau_drm;11struct nouveau_fence;12 13struct nouveau_bo {14 struct ttm_buffer_object bo;15 struct ttm_placement placement;16 u32 valid_domains;17 struct ttm_place placements[3];18 bool force_coherent;19 struct ttm_bo_kmap_obj kmap;20 struct list_head head;21 struct list_head io_reserve_lru;22 23 /* protected by ttm_bo_reserve() */24 struct drm_file *reserved_by;25 struct list_head entry;26 int pbbo_index;27 bool validate_mapped;28 29 /* Root GEM object we derive the dma_resv of in case this BO is not30 * shared between VMs.31 */32 struct drm_gem_object *r_obj;33 bool no_share;34 35 /* GPU address space is independent of CPU word size */36 uint64_t offset;37 38 struct list_head vma_list;39 40 unsigned contig:1;41 unsigned page:5;42 unsigned kind:8;43 unsigned comp:3;44 unsigned zeta:3;45 unsigned mode;46 47 struct nouveau_drm_tile *tile;48};49 50static inline struct nouveau_bo *51nouveau_bo(struct ttm_buffer_object *bo)52{53 return container_of(bo, struct nouveau_bo, bo);54}55 56static inline void57nouveau_bo_fini(struct nouveau_bo *bo)58{59 ttm_bo_put(&bo->bo);60}61 62extern struct ttm_device_funcs nouveau_bo_driver;63 64void nouveau_bo_move_init(struct nouveau_drm *);65struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,66 u32 domain, u32 tile_mode, u32 tile_flags, bool internal);67int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain,68 struct sg_table *sg, struct dma_resv *robj);69int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain,70 u32 tile_mode, u32 tile_flags, struct sg_table *sg,71 struct dma_resv *robj,72 struct nouveau_bo **);73int nouveau_bo_pin_locked(struct nouveau_bo *nvbo, uint32_t domain, bool contig);74void nouveau_bo_unpin_locked(struct nouveau_bo *nvbo);75int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);76int nouveau_bo_unpin(struct nouveau_bo *);77int nouveau_bo_map(struct nouveau_bo *);78void nouveau_bo_unmap(struct nouveau_bo *);79void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);80void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);81u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);82void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);83vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo);84void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);85int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,86 bool no_wait_gpu);87void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);88void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);89void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo);90void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo);91 92/* TODO: submit equivalent to TTM generic API upstream? */93static inline void __iomem *94nvbo_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 103int nv04_bo_move_init(struct nouveau_channel *, u32);104int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,105 struct ttm_resource *, struct ttm_resource *);106 107int nv50_bo_move_init(struct nouveau_channel *, u32);108int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,109 struct ttm_resource *, struct ttm_resource *);110 111int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,112 struct ttm_resource *, struct ttm_resource *);113 114int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,115 struct ttm_resource *, struct ttm_resource *);116 117int nvc0_bo_move_init(struct nouveau_channel *, u32);118int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,119 struct ttm_resource *, struct ttm_resource *);120 121int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,122 struct ttm_resource *, struct ttm_resource *);123 124int nve0_bo_move_init(struct nouveau_channel *, u32);125int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,126 struct ttm_resource *, struct ttm_resource *);127 128#define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f))129#define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr))130#define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A)131#define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A)132#define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A)133#define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A)134#define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A)135#define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A)136#define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A)137#define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A)138#define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A)139#define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A)140#endif141