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