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NVGRACE-GPU VFIO Driver Preparing For NVIDIA Grace Blackwell
The NVGRACE-GPU VFIO driver was introduced for handling Virtual Function I/O support with the NVIDIA Grace Hopper Superchip so that the GPU device could be assigned to guests using KVM/QEMU and similar for virtualization
The NVGRACE-GPU driver is now being extended for supporting the forthcoming NVIDIA Grace Blackwell "GB" designs. Posted on Sunday were a set of patches for extending the NVGRACE-GPU VFIO driver for Grace Blackwell. There is a HW defect on GH to support the Multi-Instance GPU (MIG) feature [1] that necessiated the presence of a 1G carved out from the device memory and mapped uncached.
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