177 lines
5.6 KiB
C
177 lines
5.6 KiB
C
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/* SPDX-License-Identifier: MIT */
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#ifndef __NOUVEAU_BO_H__
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#define __NOUVEAU_BO_H__
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#include <drm/ttm/ttm_bo_driver.h>
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#include <drm/drm_gem.h>
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struct nouveau_channel;
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struct nouveau_cli;
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struct nouveau_drm;
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struct nouveau_fence;
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struct nouveau_bo {
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struct ttm_buffer_object bo;
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struct ttm_placement placement;
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u32 valid_domains;
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struct ttm_place placements[3];
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struct ttm_place busy_placements[3];
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bool force_coherent;
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struct ttm_bo_kmap_obj kmap;
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struct list_head head;
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struct list_head io_reserve_lru;
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/* protected by ttm_bo_reserve() */
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struct drm_file *reserved_by;
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struct list_head entry;
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int pbbo_index;
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bool validate_mapped;
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/* GPU address space is independent of CPU word size */
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uint64_t offset;
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struct list_head vma_list;
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unsigned contig:1;
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unsigned page:5;
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unsigned kind:8;
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unsigned comp:3;
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unsigned zeta:3;
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unsigned mode;
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struct nouveau_drm_tile *tile;
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};
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static inline struct nouveau_bo *
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nouveau_bo(struct ttm_buffer_object *bo)
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{
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return container_of(bo, struct nouveau_bo, bo);
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}
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static inline int
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nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
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{
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struct nouveau_bo *prev;
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if (!pnvbo)
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return -EINVAL;
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prev = *pnvbo;
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if (ref) {
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ttm_bo_get(&ref->bo);
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*pnvbo = nouveau_bo(&ref->bo);
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} else {
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*pnvbo = NULL;
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}
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if (prev)
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ttm_bo_put(&prev->bo);
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return 0;
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}
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extern struct ttm_device_funcs nouveau_bo_driver;
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void nouveau_bo_move_init(struct nouveau_drm *);
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struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,
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u32 domain, u32 tile_mode, u32 tile_flags);
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int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain,
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struct sg_table *sg, struct dma_resv *robj);
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int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain,
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u32 tile_mode, u32 tile_flags, struct sg_table *sg,
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struct dma_resv *robj,
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struct nouveau_bo **);
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int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
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int nouveau_bo_unpin(struct nouveau_bo *);
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int nouveau_bo_map(struct nouveau_bo *);
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void nouveau_bo_unmap(struct nouveau_bo *);
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void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
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void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
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u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
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void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
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vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo);
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void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
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int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
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bool no_wait_gpu);
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void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
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void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
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void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo);
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void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo);
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/* TODO: submit equivalent to TTM generic API upstream? */
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static inline void __iomem *
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nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
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{
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bool is_iomem;
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void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
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&nvbo->kmap, &is_iomem);
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WARN_ON_ONCE(ioptr && !is_iomem);
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return ioptr;
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}
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static inline void
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nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo)
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{
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if (*pnvbo) {
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nouveau_bo_unmap(*pnvbo);
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nouveau_bo_unpin(*pnvbo);
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nouveau_bo_ref(NULL, pnvbo);
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}
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}
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static inline int
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nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain,
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struct nouveau_bo **pnvbo)
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{
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int ret = nouveau_bo_new(cli, size, align, domain,
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0, 0, NULL, NULL, pnvbo);
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if (ret == 0) {
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ret = nouveau_bo_pin(*pnvbo, domain, true);
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if (ret == 0) {
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ret = nouveau_bo_map(*pnvbo);
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if (ret == 0)
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return ret;
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nouveau_bo_unpin(*pnvbo);
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}
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nouveau_bo_ref(NULL, pnvbo);
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}
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return ret;
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}
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int nv04_bo_move_init(struct nouveau_channel *, u32);
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int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
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struct ttm_resource *, struct ttm_resource *);
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int nv50_bo_move_init(struct nouveau_channel *, u32);
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int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
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struct ttm_resource *, struct ttm_resource *);
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int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,
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struct ttm_resource *, struct ttm_resource *);
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int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
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struct ttm_resource *, struct ttm_resource *);
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int nvc0_bo_move_init(struct nouveau_channel *, u32);
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int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
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struct ttm_resource *, struct ttm_resource *);
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int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
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struct ttm_resource *, struct ttm_resource *);
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int nve0_bo_move_init(struct nouveau_channel *, u32);
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int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
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struct ttm_resource *, struct ttm_resource *);
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#define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f))
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#define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr))
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#define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A)
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#define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A)
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#define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A)
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#define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A)
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#define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A)
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#define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A)
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#define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A)
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#define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A)
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#define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A)
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#define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A)
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#endif
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