diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h index f6188aa9171c..f9bc30cdb2b3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h @@ -163,6 +163,7 @@ int nvkm_vmm_new_(const struct nvkm_vmm_func *, struct nvkm_mmu *, u32 pd_header, bool managed, u64 addr, u64 size, struct lock_class_key *, const char *name, struct nvkm_vmm **); +struct nvkm_vma *nvkm_vma_new(u64 addr, u64 size); struct nvkm_vma *nvkm_vmm_node_search(struct nvkm_vmm *, u64 addr); struct nvkm_vma *nvkm_vmm_node_split(struct nvkm_vmm *, struct nvkm_vma *, u64 addr, u64 size); @@ -173,6 +174,30 @@ void nvkm_vmm_put_locked(struct nvkm_vmm *, struct nvkm_vma *); void nvkm_vmm_unmap_locked(struct nvkm_vmm *, struct nvkm_vma *, bool pfn); void nvkm_vmm_unmap_region(struct nvkm_vmm *, struct nvkm_vma *); +int nvkm_vmm_raw_get(struct nvkm_vmm *vmm, u64 addr, u64 size, u8 refd); +void nvkm_vmm_raw_put(struct nvkm_vmm *vmm, u64 addr, u64 size, u8 refd); +void nvkm_vmm_raw_unmap(struct nvkm_vmm *vmm, u64 addr, u64 size, + bool sparse, u8 refd); +int nvkm_vmm_raw_sparse(struct nvkm_vmm *, u64 addr, u64 size, bool ref); + +static inline bool +nvkm_vmm_in_managed_range(struct nvkm_vmm *vmm, u64 start, u64 size) +{ + u64 p_start = vmm->managed.p.addr; + u64 p_end = p_start + vmm->managed.p.size; + u64 n_start = vmm->managed.n.addr; + u64 n_end = n_start + vmm->managed.n.size; + u64 end = start + size; + + if (start >= p_start && end <= p_end) + return true; + + if (start >= n_start && end <= n_end) + return true; + + return false; +} + #define NVKM_VMM_PFN_ADDR 0xfffffffffffff000ULL #define NVKM_VMM_PFN_ADDR_SHIFT 12 #define NVKM_VMM_PFN_APER 0x00000000000000f0ULL |