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hyperv/vmbus: add a new method to get vcpu_id
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Authored by decui_microsoft.com on Nov 1 2016, 11:08 AM.

Details

Summary

vcpu_id is host's representation of guest CPU.

We get the mapping between vcpu_id and FreeBSD kernel's cpu id when VMBus
driver is loaded. Later, when a driver, like the coming pcib driver, talks
to the host and needs to refer to a guest CPU, the driver must use the
vcpu_id.

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rS FreeBSD src repository
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Event Timeline

decui_microsoft.com retitled this revision from to hyperv/vmbus: add a new method to get vcpu_id.
decui_microsoft.com updated this object.
decui_microsoft.com edited the test plan for this revision. (Show Details)
sys/dev/hyperv/vmbus/vmbus.c
999–1001 ↗(On Diff #21877)

Or:
const struct vmbus_softc *sc = device_get_softc(bus);

return (VMBUS_PCPU_GET(sc, vcpuid, cpu));

sepherosa_gmail.com edited edge metadata.
This revision is now accepted and ready to land.Nov 2 2016, 1:19 AM
decui_microsoft.com edited edge metadata.

This new version addressed Sephe's comment.

This revision now requires review to proceed.Nov 2 2016, 2:26 AM
sepherosa_gmail.com edited edge metadata.

Ship it!

This revision is now accepted and ready to land.Nov 2 2016, 2:28 AM
jhb accepted this revision.Nov 2 2016, 4:45 PM
jhb edited edge metadata.
This revision was automatically updated to reflect the committed changes.