drm/nouveau/instmem: completely new implementation, as a subdev module
v2 (Ben Skeggs):
- some fixes for 64KiB PAGE_SIZE
- fix porting issues in (currently unused) nv41/nv44 pciegart code
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/vm.h b/drivers/gpu/drm/nouveau/core/include/subdev/vm.h
index 6d3764b..81577bb 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/vm.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/vm.h
@@ -25,10 +25,14 @@
#ifndef __NOUVEAU_VM_H__
#define __NOUVEAU_VM_H__
+#ifndef XXX_THIS_IS_A_HACK
+#include <core/object.h>
+#include <core/subdev.h>
+#include <core/device.h>
+#endif
#include <core/mm.h>
-struct nouveau_mem;
-
+#ifndef XXX_THIS_IS_A_HACK
struct nouveau_vm_pgt {
struct nouveau_gpuobj *obj[2];
u32 refcount[2];
@@ -38,6 +42,10 @@
struct list_head head;
struct nouveau_gpuobj *obj;
};
+#endif
+
+struct nouveau_gpuobj;
+struct nouveau_mem;
struct nouveau_vma {
struct list_head head;
@@ -49,21 +57,29 @@
};
struct nouveau_vm {
- struct drm_device *dev;
+ struct nouveau_vmmgr *vmm;
struct nouveau_mm mm;
int refcount;
struct list_head pgd_list;
- atomic_t engref[16];
+ atomic_t engref[64]; //NVDEV_SUBDEV_NR];
struct nouveau_vm_pgt *pgt;
u32 fpde;
u32 lpde;
+};
+
+#ifndef XXX_THIS_IS_A_HACK
+struct nouveau_vmmgr {
+ struct nouveau_subdev base;
u32 pgt_bits;
u8 spg_shift;
u8 lpg_shift;
+ int (*create)(struct nouveau_vmmgr *, u64 offset, u64 length,
+ u64 mm_offset, struct nouveau_vm **);
+
void (*map_pgt)(struct nouveau_gpuobj *pgd, u32 pde,
struct nouveau_gpuobj *pgt[2]);
void (*map)(struct nouveau_vma *, struct nouveau_gpuobj *,
@@ -71,16 +87,48 @@
u64 phys, u64 delta);
void (*map_sg)(struct nouveau_vma *, struct nouveau_gpuobj *,
struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
-
- void (*map_sg_table)(struct nouveau_vma *, struct nouveau_gpuobj *,
- struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
void (*unmap)(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt);
void (*flush)(struct nouveau_vm *);
};
-/* nouveau_vm.c */
-int nouveau_vm_new(struct drm_device *, u64 offset, u64 length, u64 mm_offset,
+static inline struct nouveau_vmmgr *
+nouveau_vmmgr(void *obj)
+{
+ return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_VM];
+}
+
+#define nouveau_vmmgr_create(p,e,o,i,f,d) \
+ nouveau_subdev_create((p), (e), (o), 0, (i), (f), (d))
+#define nouveau_vmmgr_destroy(p) \
+ nouveau_subdev_destroy(&(p)->base)
+#define nouveau_vmmgr_init(p) \
+ nouveau_subdev_init(&(p)->base)
+#define nouveau_vmmgr_fini(p,s) \
+ nouveau_subdev_fini(&(p)->base, (s))
+
+#define _nouveau_vmmgr_dtor _nouveau_subdev_dtor
+#define _nouveau_vmmgr_init _nouveau_subdev_init
+#define _nouveau_vmmgr_fini _nouveau_subdev_fini
+
+extern struct nouveau_oclass nv04_vmmgr_oclass;
+extern struct nouveau_oclass nv41_vmmgr_oclass;
+extern struct nouveau_oclass nv44_vmmgr_oclass;
+extern struct nouveau_oclass nv50_vmmgr_oclass;
+extern struct nouveau_oclass nvc0_vmmgr_oclass;
+
+int nv04_vm_create(struct nouveau_vmmgr *, u64, u64, u64,
struct nouveau_vm **);
+void nv04_vmmgr_dtor(struct nouveau_object *);
+
+void nv50_vm_flush_engine(struct nouveau_subdev *, int engine);
+void nvc0_vm_flush_engine(struct nouveau_subdev *, u64 addr, int type);
+
+/* nouveau_vm.c */
+int nouveau_vm_create(struct nouveau_vmmgr *, u64 offset, u64 length,
+ u64 mm_offset, u32 block, struct nouveau_vm **);
+int nouveau_vm_new(struct nouveau_device *, u64 offset, u64 length,
+ u64 mm_offset, struct nouveau_vm **);
+#endif
int nouveau_vm_ref(struct nouveau_vm *, struct nouveau_vm **,
struct nouveau_gpuobj *pgd);
int nouveau_vm_get(struct nouveau_vm *, u64 size, u32 page_shift,
@@ -93,26 +141,6 @@
void nouveau_vm_map_sg(struct nouveau_vma *, u64 offset, u64 length,
struct nouveau_mem *);
void nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
- struct nouveau_mem *mem);
-/* nv50_vm.c */
-void nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
- struct nouveau_gpuobj *pgt[2]);
-void nv50_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *,
- struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta);
-void nv50_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *,
- struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
-void nv50_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt);
-void nv50_vm_flush(struct nouveau_vm *);
-void nv50_vm_flush_engine(struct drm_device *, int engine);
-
-/* nvc0_vm.c */
-void nvc0_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
- struct nouveau_gpuobj *pgt[2]);
-void nvc0_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *,
- struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta);
-void nvc0_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *,
- struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
-void nvc0_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt);
-void nvc0_vm_flush(struct nouveau_vm *);
+ struct nouveau_mem *mem);
#endif