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virtio: Add modern (v1) virtqueue support

Description

virtio: Add modern (v1) virtqueue support

This only supports the legacy virtqueue format that is now called
"Split Virtqueues". Support for the new "Packed Virtqueues" described
in v1.1 is left for a later date.

Reviewed by: grehan (mentor)
Differential Revision: https://reviews.freebsd.org/D27857

Details

Provenance
bryanvAuthored on Jan 19 2021, 4:55 AM
Reviewer
grehan
Differential Revision
D27857: Add VirtIO modern support to virtqueue
Parents
R10:9da9560c4dd3: virtio: Add VirtIO PCI modern (V1) support
Branches
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Tags
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