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authorBen Skeggs <bskeggs@redhat.com>2017-10-31 20:56:19 +0300
committerBen Skeggs <bskeggs@redhat.com>2017-11-02 06:32:21 +0300
commit24e8375b1bfdf7f6014b9e3d7903d6a8f81aa249 (patch)
tree8fe0aea03e23797e487ce9082ae4c35af7a2119c /drivers/gpu/drm/nouveau/nouveau_vmm.h
parent9ce523cc3bf2ac19922e0a5d4b491221da01d1bc (diff)
downloadlinux-24e8375b1bfdf7f6014b9e3d7903d6a8f81aa249.tar.xz
drm/nouveau: separate constant-va tracking from nvkm vma structure
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_vmm.h')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_vmm.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_vmm.h b/drivers/gpu/drm/nouveau/nouveau_vmm.h
new file mode 100644
index 000000000000..86ab599aafb2
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_vmm.h
@@ -0,0 +1,32 @@
+#ifndef __NOUVEAU_VMA_H__
+#define __NOUVEAU_VMA_H__
+#include <subdev/mmu.h>
+struct nouveau_bo;
+struct nouveau_mem;
+
+struct nouveau_vma {
+ struct nouveau_vmm *vmm;
+ int refs;
+ struct list_head head;
+ u64 addr;
+
+ struct nouveau_mem *mem;
+
+ struct nvkm_vma _vma;
+};
+
+struct nouveau_vma *nouveau_vma_find(struct nouveau_bo *, struct nouveau_vmm *);
+int nouveau_vma_new(struct nouveau_bo *, struct nouveau_vmm *,
+ struct nouveau_vma **);
+void nouveau_vma_del(struct nouveau_vma **);
+int nouveau_vma_map(struct nouveau_vma *, struct nouveau_mem *);
+void nouveau_vma_unmap(struct nouveau_vma *);
+
+struct nouveau_vmm {
+ struct nouveau_cli *cli;
+ struct nvkm_vm *vm;
+};
+
+int nouveau_vmm_init(struct nouveau_cli *, s32 oclass, struct nouveau_vmm *);
+void nouveau_vmm_fini(struct nouveau_vmm *);
+#endif