init Nvidia RDMA/ PCIe P2P Support #107
Open
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This adds support for Nvidia RDMA to allow for PCIe P2P transfers betweeen the a LiteX device and a Nvidia GPU. The basic API is documented here: https://docs.nvidia.com/cuda/gpudirect-rdma/index.html This has been tested with the open source Nvidia drivers: https://github.com/NVIDIA/open-gpu-kernel-modules The feature is selected in user/kernel by setting: ``` make NV_DMA=true ``` Co-authored-by: Tim Besard <tim.besard@gmail.com> Co-authored-by: Elliot Saba <staticfloat@gmail.com>
saivittalb
approved these changes
Jul 4, 2024
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This adds support for Nvidia RDMA to allow for PCIe P2P transfers between the a LiteX device and a Nvidia GPU.
The basic API is documented here:
https://docs.nvidia.com/cuda/gpudirect-rdma/index.html
This has been tested with the open source Nvidia drivers: https://github.com/NVIDIA/open-gpu-kernel-modules
The feature is selected in user/kernel by setting:
Co-authored-by: Tim Besard tim.besard@gmail.com
Co-authored-by: Elliot Saba staticfloat@gmail.com