These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / include / nvkm / subdev / mmu.h

diff --git a/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
index 3a53687..dcd3def 100644 (file)
--- a/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
+++ b/kernel/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