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path: root/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h78
1 files changed, 21 insertions, 57 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
index 3a5368776..dcd3deff2 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
@@ -6,7 +6,7 @@ struct nvkm_device;
struct nvkm_mem;
struct nvkm_vm_pgt {
- struct nvkm_gpuobj *obj[2];
+ struct nvkm_memory *mem[2];
u32 refcount[2];
};
@@ -26,74 +26,23 @@ struct nvkm_vma {
struct nvkm_vm {
struct nvkm_mmu *mmu;
+
+ struct mutex mutex;
struct nvkm_mm mm;
struct kref refcount;
struct list_head pgd_list;
- atomic_t engref[NVDEV_SUBDEV_NR];
+ atomic_t engref[NVKM_SUBDEV_NR];
struct nvkm_vm_pgt *pgt;
u32 fpde;
u32 lpde;
};
-struct nvkm_mmu {
- struct nvkm_subdev base;
-
- u64 limit;
- u8 dma_bits;
- u32 pgt_bits;
- u8 spg_shift;
- u8 lpg_shift;
-
- int (*create)(struct nvkm_mmu *, u64 offset, u64 length,
- u64 mm_offset, struct nvkm_vm **);
-
- void (*map_pgt)(struct nvkm_gpuobj *pgd, u32 pde,
- struct nvkm_gpuobj *pgt[2]);
- void (*map)(struct nvkm_vma *, struct nvkm_gpuobj *,
- struct nvkm_mem *, u32 pte, u32 cnt,
- u64 phys, u64 delta);
- void (*map_sg)(struct nvkm_vma *, struct nvkm_gpuobj *,
- struct nvkm_mem *, u32 pte, u32 cnt, dma_addr_t *);
- void (*unmap)(struct nvkm_gpuobj *pgt, u32 pte, u32 cnt);
- void (*flush)(struct nvkm_vm *);
-};
-
-static inline struct nvkm_mmu *
-nvkm_mmu(void *obj)
-{
- return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_MMU);
-}
-
-#define nvkm_mmu_create(p,e,o,i,f,d) \
- nvkm_subdev_create((p), (e), (o), 0, (i), (f), (d))
-#define nvkm_mmu_destroy(p) \
- nvkm_subdev_destroy(&(p)->base)
-#define nvkm_mmu_init(p) \
- nvkm_subdev_init(&(p)->base)
-#define nvkm_mmu_fini(p,s) \
- nvkm_subdev_fini(&(p)->base, (s))
-
-#define _nvkm_mmu_dtor _nvkm_subdev_dtor
-#define _nvkm_mmu_init _nvkm_subdev_init
-#define _nvkm_mmu_fini _nvkm_subdev_fini
-
-extern struct nvkm_oclass nv04_mmu_oclass;
-extern struct nvkm_oclass nv41_mmu_oclass;
-extern struct nvkm_oclass nv44_mmu_oclass;
-extern struct nvkm_oclass nv50_mmu_oclass;
-extern struct nvkm_oclass gf100_mmu_oclass;
-
-int nv04_vm_create(struct nvkm_mmu *, u64, u64, u64,
- struct nvkm_vm **);
-void nv04_mmu_dtor(struct nvkm_object *);
-
-int nvkm_vm_create(struct nvkm_mmu *, u64 offset, u64 length, u64 mm_offset,
- u32 block, struct nvkm_vm **);
int nvkm_vm_new(struct nvkm_device *, u64 offset, u64 length, u64 mm_offset,
- struct nvkm_vm **);
+ struct lock_class_key *, struct nvkm_vm **);
int nvkm_vm_ref(struct nvkm_vm *, struct nvkm_vm **, struct nvkm_gpuobj *pgd);
+int nvkm_vm_boot(struct nvkm_vm *, u64 size);
int nvkm_vm_get(struct nvkm_vm *, u64 size, u32 page_shift, u32 access,
struct nvkm_vma *);
void nvkm_vm_put(struct nvkm_vma *);
@@ -101,4 +50,19 @@ void nvkm_vm_map(struct nvkm_vma *, struct nvkm_mem *);
void nvkm_vm_map_at(struct nvkm_vma *, u64 offset, struct nvkm_mem *);
void nvkm_vm_unmap(struct nvkm_vma *);
void nvkm_vm_unmap_at(struct nvkm_vma *, u64 offset, u64 length);
+
+struct nvkm_mmu {
+ const struct nvkm_mmu_func *func;
+ struct nvkm_subdev subdev;
+
+ u64 limit;
+ u8 dma_bits;
+ u8 lpg_shift;
+};
+
+int nv04_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
+int nv41_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
+int nv44_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
+int nv50_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
+int gf100_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
#endif