io_apic: Support APIC Extended Destination IDs
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Authored by cperciva on Tue, Mar 17, 3:29 AM.

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Reviewers

kib
jhb

Summary

If APIC Extended Destination ID support is enabled, use it in APIC RTEs
by allowing APIC IDs up to 2^15 - 1 and encoding the high bits into
Intel "reserved" bits per the standard.

MFC after: 2 weeks
Sponsored by: Amazon

Diff Detail

Repository

rG FreeBSD src repository

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Unit

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Build Status

Buildable 71437
Build 68320: arc lint + arc unit

Event Timeline

cperciva created this revision.Tue, Mar 17, 3:29 AM

Herald added a subscriber: imp. · View Herald TranscriptTue, Mar 17, 3:29 AM

cperciva requested review of this revision.Tue, Mar 17, 3:29 AM

Harbormaster completed remote builds in B71437: Diff 173778.Tue, Mar 17, 3:29 AM

cperciva added a parent revision: D55426: msi: Support APIC Extended Destination IDs.Tue, Mar 17, 3:57 AM

cperciva added a child revision: D55427: KVM: Detect Extended Destination ID support.

cperciva mentioned this in D55429: Xen: Detect Extended Destination ID support.Tue, Mar 17, 4:06 AM

Revision Contents
Changeset List

Path

Size

sys/

x86/

include/

apicvar.h

1 line

x86/

io_apic.c

9 lines

Diff 173778

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sys/x86/include/apicvar.h