#ifndef __NVIF_MMU_H__ #define __NVIF_MMU_H__ #include <nvif/object.h> struct nvif_mmu { struct nvif_object object; u8 dmabits; u8 heap_nr; u8 type_nr; u8 kind_inv; u16 kind_nr; s32 mem; struct { u64 size; } *heap; struct { #define NVIF_MEM_VRAM 0x01 #define NVIF_MEM_HOST 0x02 #define NVIF_MEM_COMP 0x04 #define NVIF_MEM_DISP 0x08 #define NVIF_MEM_KIND 0x10 #define NVIF_MEM_MAPPABLE 0x20 #define NVIF_MEM_COHERENT 0x40 #define NVIF_MEM_UNCACHED 0x80 u8 type; u8 heap; } *type; u8 *kind; }; int nvif_mmu_init(struct nvif_object *, s32 oclass, struct nvif_mmu *); void nvif_mmu_fini(struct nvif_mmu *); static inline bool nvif_mmu_kind_valid(struct nvif_mmu *mmu, u8 kind) { if (kind) { if (kind >= mmu->kind_nr || mmu->kind[kind] == mmu->kind_inv) return false; } return true; } static inline int nvif_mmu_type(struct nvif_mmu *mmu, u8 mask) { int i; for (i = 0; i < mmu->type_nr; i++) { if ((mmu->type[i].type & mask) == mask) return i; } return -EINVAL; } #endif