gpu: nvgpu: add placeholder for IPA to PA

Add __nvgpu_sgl_phys function that can be used to implement IPA
to PA translation in a subsequent change.
Adapt existing function prototypes to add pointer to gpu context,
as we will need to check if IPA to PA translation is needed.

JIRA EVLR-2442
Bug 200392719

Change-Id: I5a734c958c8277d1bf673c020dafb31263f142d6
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1673142
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/nvgpu_mem.h b/drivers/gpu/nvgpu/include/nvgpu/nvgpu_mem.h
index 373c3eef..be0fa6bf 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/nvgpu_mem.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/nvgpu_mem.h
@@ -68,7 +68,7 @@ struct nvgpu_sgl;
 
 struct nvgpu_sgt_ops {
         struct nvgpu_sgl *(*sgl_next)(struct nvgpu_sgl *sgl);
-        u64   (*sgl_phys)(struct nvgpu_sgl *sgl);
+        u64   (*sgl_phys)(struct gk20a *g, struct nvgpu_sgl *sgl);
         u64   (*sgl_dma)(struct nvgpu_sgl *sgl);
         u64   (*sgl_length)(struct nvgpu_sgl *sgl);
         u64   (*sgl_gpu_addr)(struct gk20a *g, struct nvgpu_sgl *sgl,
@@ -254,7 +254,8 @@ struct nvgpu_sgt *nvgpu_sgt_create_from_mem(struct gk20a *g,
 
 struct nvgpu_sgl *nvgpu_sgt_get_next(struct nvgpu_sgt *sgt,
                                           struct nvgpu_sgl *sgl);
-u64 nvgpu_sgt_get_phys(struct nvgpu_sgt *sgt, struct nvgpu_sgl *sgl);
+u64 nvgpu_sgt_get_phys(struct gk20a *g, struct nvgpu_sgt *sgt,
+                       struct nvgpu_sgl *sgl);
 u64 nvgpu_sgt_get_dma(struct nvgpu_sgt *sgt, struct nvgpu_sgl *sgl);
 u64 nvgpu_sgt_get_length(struct nvgpu_sgt *sgt, struct nvgpu_sgl *sgl);
 u64 nvgpu_sgt_get_gpu_addr(struct gk20a *g, struct nvgpu_sgt *sgt,