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drm/nouveau/imem/nv50: support pinning objects in BAR2 and returning address

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Various structures are accessed by the GPU through BAR2 for some reason
on newer GPUs.  This commit makes it more convenient to handle.

Will be used for GP100- fault buffers, and GV100- fault method buffers.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2018-12-11 14:50:02 +10:00
parent e4f90a35c9
commit 1786bf56e4
2 changed files with 17 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/include/nvkm/core/memory.h
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@@ -29,6 +29,7 @@ struct nvkm_memory_func {
void *(*dtor)(struct nvkm_memory *);
enum nvkm_memory_target (*target)(struct nvkm_memory *);
u8 (*page)(struct nvkm_memory *);
u64 (*bar2)(struct nvkm_memory *);
u64 (*addr)(struct nvkm_memory *);
u64 (*size)(struct nvkm_memory *);
void (*boot)(struct nvkm_memory *, struct nvkm_vmm *);
@@ -56,6 +57,7 @@ void nvkm_memory_tags_put(struct nvkm_memory *, struct nvkm_device *,
#define nvkm_memory_target(p) (p)->func->target(p)
#define nvkm_memory_page(p) (p)->func->page(p)
#define nvkm_memory_bar2(p) (p)->func->bar2(p)
#define nvkm_memory_addr(p) (p)->func->addr(p)
#define nvkm_memory_size(p) (p)->func->size(p)
#define nvkm_memory_boot(p,v) (p)->func->boot((p),(v))