Shashank Singh 7abaeda619 gpu: nvgpu: add API to query page table memhandles ...

Add API to query all memhandles used for pde and pte.
- Some direct pde/pte allocation should also add entry to the pd-cache
full list.
- Add OS API for querying MemServ handle from nvgpu_mem.
- Traverse through all pd-cache partial and full lists to get memhandles
for all pde/pte buffers.

Jira NVGPU-8284

Change-Id: I8e7adf1be1409264d24e17501eb7c32a81950728
Signed-off-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2735657
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>

2022-11-24 11:19:10 -08:00

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