142594600SBen Skeggs #ifndef __NVKM_MMU_H__ 242594600SBen Skeggs #define __NVKM_MMU_H__ 35ce3bf3cSBen Skeggs #include <core/subdev.h> 45ce3bf3cSBen Skeggs #include <core/mm.h> 542594600SBen Skeggs struct nvkm_device; 642594600SBen Skeggs struct nvkm_mem; 75ce3bf3cSBen Skeggs 842594600SBen Skeggs struct nvkm_vm_pgt { 9d0659d32SBen Skeggs struct nvkm_memory *mem[2]; 105ce3bf3cSBen Skeggs u32 refcount[2]; 115ce3bf3cSBen Skeggs }; 125ce3bf3cSBen Skeggs 1342594600SBen Skeggs struct nvkm_vm_pgd { 145ce3bf3cSBen Skeggs struct list_head head; 1542594600SBen Skeggs struct nvkm_gpuobj *obj; 165ce3bf3cSBen Skeggs }; 175ce3bf3cSBen Skeggs 1842594600SBen Skeggs struct nvkm_vma { 195ce3bf3cSBen Skeggs struct list_head head; 205ce3bf3cSBen Skeggs int refcount; 2142594600SBen Skeggs struct nvkm_vm *vm; 2242594600SBen Skeggs struct nvkm_mm_node *node; 235ce3bf3cSBen Skeggs u64 offset; 245ce3bf3cSBen Skeggs u32 access; 255ce3bf3cSBen Skeggs }; 265ce3bf3cSBen Skeggs 2742594600SBen Skeggs struct nvkm_vm { 2842594600SBen Skeggs struct nvkm_mmu *mmu; 291de68568SBen Skeggs 301de68568SBen Skeggs struct mutex mutex; 3142594600SBen Skeggs struct nvkm_mm mm; 325ce3bf3cSBen Skeggs struct kref refcount; 335ce3bf3cSBen Skeggs 345ce3bf3cSBen Skeggs struct list_head pgd_list; 3568f3f702SBen Skeggs atomic_t engref[NVKM_SUBDEV_NR]; 365ce3bf3cSBen Skeggs 3742594600SBen Skeggs struct nvkm_vm_pgt *pgt; 385ce3bf3cSBen Skeggs u32 fpde; 395ce3bf3cSBen Skeggs u32 lpde; 405ce3bf3cSBen Skeggs }; 415ce3bf3cSBen Skeggs 4242594600SBen Skeggs int nvkm_vm_new(struct nvkm_device *, u64 offset, u64 length, u64 mm_offset, 431de68568SBen Skeggs struct lock_class_key *, struct nvkm_vm **); 4442594600SBen Skeggs int nvkm_vm_ref(struct nvkm_vm *, struct nvkm_vm **, struct nvkm_gpuobj *pgd); 45d8e83994SBen Skeggs int nvkm_vm_boot(struct nvkm_vm *, u64 size); 4642594600SBen Skeggs int nvkm_vm_get(struct nvkm_vm *, u64 size, u32 page_shift, u32 access, 4742594600SBen Skeggs struct nvkm_vma *); 4842594600SBen Skeggs void nvkm_vm_put(struct nvkm_vma *); 4942594600SBen Skeggs void nvkm_vm_map(struct nvkm_vma *, struct nvkm_mem *); 5042594600SBen Skeggs void nvkm_vm_map_at(struct nvkm_vma *, u64 offset, struct nvkm_mem *); 5142594600SBen Skeggs void nvkm_vm_unmap(struct nvkm_vma *); 5242594600SBen Skeggs void nvkm_vm_unmap_at(struct nvkm_vma *, u64 offset, u64 length); 53c9582455SBen Skeggs 54c9582455SBen Skeggs struct nvkm_mmu { 55c9582455SBen Skeggs const struct nvkm_mmu_func *func; 56c9582455SBen Skeggs struct nvkm_subdev subdev; 57c9582455SBen Skeggs 58c9582455SBen Skeggs u64 limit; 59c9582455SBen Skeggs u8 dma_bits; 60c9582455SBen Skeggs u8 lpg_shift; 61c9582455SBen Skeggs }; 62c9582455SBen Skeggs 63c9582455SBen Skeggs int nv04_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); 64c9582455SBen Skeggs int nv41_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); 65c9582455SBen Skeggs int nv44_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); 66c9582455SBen Skeggs int nv50_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); 67c9582455SBen Skeggs int gf100_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); 685ce3bf3cSBen Skeggs #endif 69