1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 28be21a64SBen Skeggs #ifndef __NOUVEAU_BO_H__ 38be21a64SBen Skeggs #define __NOUVEAU_BO_H__ 48be21a64SBen Skeggs 5d9fc9413SDaniel Vetter #include <drm/drm_gem.h> 6d9fc9413SDaniel Vetter 78be21a64SBen Skeggs struct nouveau_channel; 8ebb945a9SBen Skeggs struct nouveau_fence; 9be83cd4eSBen Skeggs struct nvkm_vma; 108be21a64SBen Skeggs 118be21a64SBen Skeggs struct nouveau_bo { 128be21a64SBen Skeggs struct ttm_buffer_object bo; 138be21a64SBen Skeggs struct ttm_placement placement; 148be21a64SBen Skeggs u32 valid_domains; 15f1217ed0SChristian König struct ttm_place placements[3]; 16f1217ed0SChristian König struct ttm_place busy_placements[3]; 17c3a0c771SAlexandre Courbot bool force_coherent; 188be21a64SBen Skeggs struct ttm_bo_kmap_obj kmap; 198be21a64SBen Skeggs struct list_head head; 208be21a64SBen Skeggs 218be21a64SBen Skeggs /* protected by ttm_bo_reserve() */ 228be21a64SBen Skeggs struct drm_file *reserved_by; 238be21a64SBen Skeggs struct list_head entry; 248be21a64SBen Skeggs int pbbo_index; 258be21a64SBen Skeggs bool validate_mapped; 268be21a64SBen Skeggs 278be21a64SBen Skeggs struct list_head vma_list; 288be21a64SBen Skeggs 29bab7cc18SBen Skeggs struct nouveau_cli *cli; 30bab7cc18SBen Skeggs 317760a2e3SBen Skeggs unsigned contig:1; 327760a2e3SBen Skeggs unsigned page:5; 337760a2e3SBen Skeggs unsigned kind:8; 347760a2e3SBen Skeggs unsigned comp:3; 357760a2e3SBen Skeggs unsigned zeta:3; 367760a2e3SBen Skeggs unsigned mode; 377760a2e3SBen Skeggs 38ebb945a9SBen Skeggs struct nouveau_drm_tile *tile; 398be21a64SBen Skeggs 4055fb74adSDavid Herrmann /* Only valid if allocated via nouveau_gem_new() and iff you hold a 4155fb74adSDavid Herrmann * gem reference to it! For debugging, use gem.filp != NULL to test 4255fb74adSDavid Herrmann * whether it is valid. */ 4355fb74adSDavid Herrmann struct drm_gem_object gem; 440ae6d7bcSDaniel Vetter 450ae6d7bcSDaniel Vetter /* protect by the ttm reservation lock */ 468be21a64SBen Skeggs int pin_refcnt; 478be21a64SBen Skeggs 488be21a64SBen Skeggs struct ttm_bo_kmap_obj dma_buf_vmap; 498be21a64SBen Skeggs }; 508be21a64SBen Skeggs 518be21a64SBen Skeggs static inline struct nouveau_bo * 528be21a64SBen Skeggs nouveau_bo(struct ttm_buffer_object *bo) 538be21a64SBen Skeggs { 548be21a64SBen Skeggs return container_of(bo, struct nouveau_bo, bo); 558be21a64SBen Skeggs } 568be21a64SBen Skeggs 578be21a64SBen Skeggs static inline int 588be21a64SBen Skeggs nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) 598be21a64SBen Skeggs { 608be21a64SBen Skeggs struct nouveau_bo *prev; 618be21a64SBen Skeggs 628be21a64SBen Skeggs if (!pnvbo) 638be21a64SBen Skeggs return -EINVAL; 648be21a64SBen Skeggs prev = *pnvbo; 658be21a64SBen Skeggs 668be21a64SBen Skeggs *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL; 678be21a64SBen Skeggs if (prev) { 688be21a64SBen Skeggs struct ttm_buffer_object *bo = &prev->bo; 698be21a64SBen Skeggs 708be21a64SBen Skeggs ttm_bo_unref(&bo); 718be21a64SBen Skeggs } 728be21a64SBen Skeggs 738be21a64SBen Skeggs return 0; 748be21a64SBen Skeggs } 758be21a64SBen Skeggs 768be21a64SBen Skeggs extern struct ttm_bo_driver nouveau_bo_driver; 778be21a64SBen Skeggs 7849981046SBen Skeggs void nouveau_bo_move_init(struct nouveau_drm *); 794d8b3d34SBen Skeggs int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 flags, 808be21a64SBen Skeggs u32 tile_mode, u32 tile_flags, struct sg_table *sg, 81bb6178b0SMaarten Lankhorst struct reservation_object *robj, 828be21a64SBen Skeggs struct nouveau_bo **); 83ad76b3f7SBen Skeggs int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); 848be21a64SBen Skeggs int nouveau_bo_unpin(struct nouveau_bo *); 858be21a64SBen Skeggs int nouveau_bo_map(struct nouveau_bo *); 868be21a64SBen Skeggs void nouveau_bo_unmap(struct nouveau_bo *); 878be21a64SBen Skeggs void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); 888be21a64SBen Skeggs void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); 898be21a64SBen Skeggs u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); 908be21a64SBen Skeggs void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); 91809e9447SMaarten Lankhorst void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive); 928be21a64SBen Skeggs int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, 9397a875cbSMaarten Lankhorst bool no_wait_gpu); 94b22870baSAlexandre Courbot void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 95b22870baSAlexandre Courbot void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 968be21a64SBen Skeggs 97ebb945a9SBen Skeggs /* TODO: submit equivalent to TTM generic API upstream? */ 98ebb945a9SBen Skeggs static inline void __iomem * 99ebb945a9SBen Skeggs nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 100ebb945a9SBen Skeggs { 101ebb945a9SBen Skeggs bool is_iomem; 102ebb945a9SBen Skeggs void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 103ebb945a9SBen Skeggs &nvbo->kmap, &is_iomem); 104ebb945a9SBen Skeggs WARN_ON_ONCE(ioptr && !is_iomem); 105ebb945a9SBen Skeggs return ioptr; 106ebb945a9SBen Skeggs } 107ebb945a9SBen Skeggs 108561464eaSBen Skeggs static inline void 109561464eaSBen Skeggs nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo) 110561464eaSBen Skeggs { 111561464eaSBen Skeggs if (*pnvbo) { 112561464eaSBen Skeggs nouveau_bo_unmap(*pnvbo); 113561464eaSBen Skeggs nouveau_bo_unpin(*pnvbo); 114561464eaSBen Skeggs nouveau_bo_ref(NULL, pnvbo); 115561464eaSBen Skeggs } 116561464eaSBen Skeggs } 117561464eaSBen Skeggs 118561464eaSBen Skeggs static inline int 119561464eaSBen Skeggs nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 flags, 120561464eaSBen Skeggs struct nouveau_bo **pnvbo) 121561464eaSBen Skeggs { 122561464eaSBen Skeggs int ret = nouveau_bo_new(cli, size, align, flags, 123561464eaSBen Skeggs 0, 0, NULL, NULL, pnvbo); 124561464eaSBen Skeggs if (ret == 0) { 125561464eaSBen Skeggs ret = nouveau_bo_pin(*pnvbo, flags, true); 126561464eaSBen Skeggs if (ret == 0) { 127561464eaSBen Skeggs ret = nouveau_bo_map(*pnvbo); 128561464eaSBen Skeggs if (ret == 0) 129561464eaSBen Skeggs return ret; 130561464eaSBen Skeggs nouveau_bo_unpin(*pnvbo); 131561464eaSBen Skeggs } 132561464eaSBen Skeggs nouveau_bo_ref(NULL, pnvbo); 133561464eaSBen Skeggs } 134561464eaSBen Skeggs return ret; 135561464eaSBen Skeggs } 1368be21a64SBen Skeggs #endif 137