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Differential D32176

libmlx5: Extend mlx5dv_get_qp() to return UAR mapping info
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Authored by vag.singh_oneconvergence.com on Sep 28 2021, 12:55 PM.
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Details

Reviewers
kib
• hselasky
Summary

[PATCH 02/31] FreeBSD OFED support for DPDK MLX5 PMD

Extend mlx5dv_get_qp() to return UAR mapping info. This can allow a
process to share its doorbell access with secondary process by re-mmap
the UAR address on the device and make it accessible as a user space
address.

Test Plan

Tested on KVM, ESXi, and HyperV/Azure Hypervisors with FreeBSD 14.0-CURRENT and FreeBSD12.1-STABLE.

iperf
DPDK MLX5 PMD/testpmd

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rG FreeBSD src repository
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Event Timeline

vag.singh_oneconvergence.com requested review of this revision.Sep 28 2021, 12:55 PM
vag.singh_oneconvergence.com created this revision.

Revision Contents
Changeset List

PathSize
contrib/
ofed/
libmlx5/
1 line
27 lines
5 lines

Diff 95833

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contrib/ofed/libmlx5/mlx5.h

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contrib/ofed/libmlx5/mlx5.c

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contrib/ofed/libmlx5/mlx5dv.h

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