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path: root/drivers/gpu/drm/nouveau/include/nvif/vmm.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvif/vmm.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvif/vmm.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/vmm.h b/drivers/gpu/drm/nouveau/include/nvif/vmm.h
new file mode 100644
index 000000000000..0ecedd0ee0a5
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvif/vmm.h
@@ -0,0 +1,57 @@
+#ifndef __NVIF_VMM_H__
+#define __NVIF_VMM_H__
+#include <nvif/object.h>
+struct nvif_mem;
+struct nvif_mmu;
+
+enum nvif_vmm_type {
+ UNMANAGED,
+ MANAGED,
+ RAW,
+};
+
+enum nvif_vmm_get {
+ ADDR,
+ PTES,
+ LAZY
+};
+
+struct nvif_vma {
+ u64 addr;
+ u64 size;
+};
+
+struct nvif_vmm {
+ struct nvif_object object;
+ u64 start;
+ u64 limit;
+
+ struct {
+ u8 shift;
+ bool sparse:1;
+ bool vram:1;
+ bool host:1;
+ bool comp:1;
+ } *page;
+ int page_nr;
+};
+
+int nvif_vmm_ctor(struct nvif_mmu *, const char *name, s32 oclass,
+ enum nvif_vmm_type, u64 addr, u64 size, void *argv, u32 argc,
+ struct nvif_vmm *);
+void nvif_vmm_dtor(struct nvif_vmm *);
+int nvif_vmm_get(struct nvif_vmm *, enum nvif_vmm_get, bool sparse,
+ u8 page, u8 align, u64 size, struct nvif_vma *);
+void nvif_vmm_put(struct nvif_vmm *, struct nvif_vma *);
+int nvif_vmm_map(struct nvif_vmm *, u64 addr, u64 size, void *argv, u32 argc,
+ struct nvif_mem *, u64 offset);
+int nvif_vmm_unmap(struct nvif_vmm *, u64);
+
+int nvif_vmm_raw_get(struct nvif_vmm *vmm, u64 addr, u64 size, u8 shift);
+int nvif_vmm_raw_put(struct nvif_vmm *vmm, u64 addr, u64 size, u8 shift);
+int nvif_vmm_raw_map(struct nvif_vmm *vmm, u64 addr, u64 size, u8 shift,
+ void *argv, u32 argc, struct nvif_mem *mem, u64 offset);
+int nvif_vmm_raw_unmap(struct nvif_vmm *vmm, u64 addr, u64 size,
+ u8 shift, bool sparse);
+int nvif_vmm_raw_sparse(struct nvif_vmm *vmm, u64 addr, u64 size, bool ref);
+#endif