From nobody Thu Apr 16 15:12:22 2026 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4fxM1y63ggz6Zq2S for ; Thu, 16 Apr 2026 15:12:22 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fxM1y1TYMz4NGW for ; Thu, 16 Apr 2026 15:12:22 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776352342; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=KHLXSqClK7kMNUhqfssTEa7pqJYtvrycsTQ8zXp2D5o=; b=Szk1QC5iVUnubxU+TI7T/U4EUTgu+CUlhYEYXKuLHR8U/n7Gi/ukCMXZaiiwHqFmvxSP1E O2lwx/xJF3F8NIwboySojsR/S/Ca26G5JhWfDUcX4oJuSYHcXW9SjP1GbglsyZGEe1vfcH V4vTHSdQKwv7sC4QCSLgSGXMZRncMRIfSfCI/OjfcF/YvU61oM2hK9Tzlu5Pu01JCwV5Cp 1QDh7azeZTDAJ0tU7KjoX9CzbNEummOWW7EQExQFqjAINmP+GhDkkOUsaovfKQ4WCvHZu2 hzgSMP/q3g2XU2XwLipGNczY0aKVDv33wmZHm0gY3VPsi8cnfRZrK+sGTdSpDQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776352342; a=rsa-sha256; cv=none; b=NgKiOs2KO6YhvxV0MYKYBoBPUaWr/UpllB9NM1bTn2Aewdu36enBYgcuPzdd78Q9SKPTJa wAu/3RwQmGdR3YdRqS4iHbDPCI3nRvdjSdELTAnWOBaTWN4/JirbHRrSfBti3SMjxtOlby w5OI0OUYGxuAOkho+D7IsXTfJ6R9rYoVgv/6zBiCCFeIswC+nuToaWvvOhfi9a9RKPa0xj dA+wxaop5j/xJG43Z8JicnlfgkQeFZO8xPlcR7UigxBsGFmZ2ya1fyVupq2lAtvbr5+0Bu Lz/109TumDi/uayzmftSicXj0zrXR71IhUbWgcWQsTtFMa3CB9jiSUmiu+6ssw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776352342; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=KHLXSqClK7kMNUhqfssTEa7pqJYtvrycsTQ8zXp2D5o=; b=O15YZeh9B3yQNPnuwdwjD6ZeTbTzv198ABaLMIWlxEQDVE1U1sDwY4j9ERK1BX+44vIq55 HPFrZGhuJEVw1PXBxnH3Zs8I0yOiVcVG+Wl7hSyUxT4v19VDCTrCfhk4puCLTDQQqRQSmh FnRx63wi3+GNYnr16Uh5iFDl6pJ2WtIierlC1qpzoEEa7cQzV9B5Tum1kyqbFvomTmHdDD 2omXKmPy4MvgUtb/KZYjMsBt6bIsxm6LYKkAD9dtSd4AoZ41vILSa8CrPklNOkXjfCMXZb YHsTwG/gCW/bfs5onIxd+CcNJFRxz4bjb1u63zdYULRwvyi0aCOqo5czIWaUZQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fxM1y11hlz1BTS for ; Thu, 16 Apr 2026 15:12:22 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 1f172 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 16 Apr 2026 15:12:22 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Colin Percival Subject: git: 0ef872c9353e - stable/14 - io_apic: Support APIC Extended Destination IDs List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: cperciva X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 0ef872c9353e83bfbfe4cba15a1960fa391cb5a4 Auto-Submitted: auto-generated Date: Thu, 16 Apr 2026 15:12:22 +0000 Message-Id: <69e0fc56.1f172.4ff80197@gitrepo.freebsd.org> The branch stable/14 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=0ef872c9353e83bfbfe4cba15a1960fa391cb5a4 commit 0ef872c9353e83bfbfe4cba15a1960fa391cb5a4 Author: Colin Percival AuthorDate: 2026-03-16 23:45:32 +0000 Commit: Colin Percival CommitDate: 2026-04-16 15:11:54 +0000 io_apic: Support APIC Extended Destination IDs 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. Reviewed by: kib MFC after: 3 weeks Sponsored by: Amazon Differential Revision: https://reviews.freebsd.org/D55889 (cherry picked from commit b0e1b1069d655f12ab69cf3a1dc1904dd35ad1da) --- sys/x86/include/apicvar.h | 1 + sys/x86/x86/io_apic.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/sys/x86/include/apicvar.h b/sys/x86/include/apicvar.h index bb2986c3bf67..36ce48339ad4 100644 --- a/sys/x86/include/apicvar.h +++ b/sys/x86/include/apicvar.h @@ -84,6 +84,7 @@ * to use that ID. */ #define IOAPIC_MAX_ID 0xff +#define IOAPIC_MAX_EXT_ID 0x7fff /* I/O Interrupts are used for external devices such as ISA, PCI, etc. */ #define APIC_IO_INTS (IDT_IO_INTS + 16) diff --git a/sys/x86/x86/io_apic.c b/sys/x86/x86/io_apic.c index ae104beadf6a..56acd091c205 100644 --- a/sys/x86/x86/io_apic.c +++ b/sys/x86/x86/io_apic.c @@ -371,6 +371,13 @@ ioapic_program_intpin(struct ioapic_intsrc *intpin) low = IOART_DESTPHY; high = intpin->io_cpu << APIC_ID_SHIFT; intpin->io_valid = 1; + } else if (intpin->io_cpu <= IOAPIC_MAX_EXT_ID && + apic_ext_dest_id == 1) { + low = IOART_DESTPHY; + high = intpin->io_cpu << APIC_ID_SHIFT & APIC_ID_MASK; + high |= (intpin->io_cpu >> 8) << APIC_EXT_ID_SHIFT + & APIC_EXT_ID_MASK; + intpin->io_valid = 1; } else { printf("%s: unsupported destination APIC ID %u for pin %u\n", __func__, intpin->io_cpu, intpin->io_intpin);