[Bug 222139] iovctl can not create virutal function on thunderx platform

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[Bug 222139] iovctl can not create virutal function on thunderx platform

bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222139

            Bug ID: 222139
           Summary: iovctl can not create virutal function on thunderx
                    platform
           Product: Base System
           Version: 11.1-STABLE
          Hardware: arm64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: arm
          Assignee: [hidden email]
          Reporter: [hidden email]

On FreeBSD 11.1 the SoC 80G network interface can not be used (this seems to be
resolved on 12)

Kernel / Basesystem:

FreeBSD thunderx 11.1-STABLE FreeBSD 11.1-STABLE #0 r323168: Wed Sep  6
00:46:23 UTC 2017    
[hidden email]:/usr/obj/arm64.aarch64/usr/src/sys/GENERIC  arm64

/etc/iovctl.conf:

PF {
    device : "vnicpf0";
    num_vfs : 1;
}

running iovctl -C -f /etc/iovctl.conf (no output but prited to the console):
vnicpf0: Failed to add VF 0

re-running it erros with:

iovctl: Failed to configure SR-IOV: Device busy

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