0bcc573ed7
Support exporting and importing dmabuf file descriptors for memory
mappings. The exported dmabuf file descriptors are shareable posix
file descriptors that can be used for cross-vendor, cross-device
and cross-process memory sharing.
This is part of patch series for Virtual Memory API.
Change-Id: I3673fc009f7e73bc26be8349e19f66e20d0607c5
[ROCm/ROCR-Runtime commit: b03c96c264]