From nobody Thu Apr 16 15:04:28 2026 X-Original-To: dev-commits-src-all@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 4fxLrr49BHz6ZpD3 for ; Thu, 16 Apr 2026 15:04:28 +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 4fxLrr28ZYz4Hlf for ; Thu, 16 Apr 2026 15:04:28 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776351868; 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=bt6CCaMwiP1KXDEZMVdEBIbv8mnkYHvSxMiXu9NYm94=; b=QDZq7juNawvc5DnJviiusPKnAONGS2FAxC0NdhUR/x5K2Q4+aAA7lQNGhwxhvJFuixjhze OPh0pDRJcN2CmUptXW7QyINX7WuJlIspMcYuXT6vfKmVKStQTscIF3GbjOUTJkp9wcG0/D DiUdxYH56TPYU5xhgNk12SL20haVG6j7eiKYcYI1estWRP13QS+uOHHt//QI89+bFaryyG Iu1Y44jpKZ6OawSsYpdVzkP3TwBloW27JZV8zweEE1kGwr+8Z5mF1n8MIm5WdZtl3awNDc Z/436ZB1NtnQjKa10mXgI7V2pPrTxwjYyzoT2pMWyrjupH1P4QVok4LvV5V7mQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776351868; a=rsa-sha256; cv=none; b=Cv7dl1ICT0twATc9ipoVcclal6d9zYyQTLnw/rlFs4aJp1KnckjUFGuZN6jmB6OripKO5O rhKYmB0Sq1ZYjH4S53Zy9Pyy3VlhQ80IFZ1D/JuSC028bAn/nnBho7KRYCCX+oH4+jDazT M8GVvxgpo0smAM/rBNd8GTBpN2TceX6IGg8HYl6w1PIVG+pZdTNm7owKDo3HdRzFqF4dyH Ebi/iom6MjghZEY4jeJBUppaLWmCjbBq/eSDcRxASYGUXPyeXshQ3VU+9doVUYP1dSPqmT 5pp3lkKfJr752O+3kIYHzyPuz1vH+e/NLmUGF3reDBzoBLQRkJIug5DFLPAsFw== 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=1776351868; 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=bt6CCaMwiP1KXDEZMVdEBIbv8mnkYHvSxMiXu9NYm94=; b=Oc+3KvyFXNC2/h+AgtaZzQ3lE4G+5/mSZHvQj2yotXrOGXew2mKm3BXmnucR0mtEtHF/ur eCWKP5YAmxYCt7KVraI/iDt2p8wunLxNEPgGiboPKqP0oKOPSoxqdcW3msmVg+uR3lIk/S hHxOnl9ldX8Yqalv4TepRIPiQexxDk0j1ZTBL3r87JkFMleus6GsCauPTUpKVDqPYXbn/i Zl+d3HMHvaFuQj0rtRSwgufotQK9uZ83vl1AmKBJqMVdSdgspDnU7vOJCF3Xf+jVIyamcU EtZygdjNTyxjakaxCswFBvUlZaZZH21vKlGagUrL5rV9MmoDK8CzIJ/XUoAaZQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fxLrr0vsnz1BxT for ; Thu, 16 Apr 2026 15:04:28 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 1a5ef by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 16 Apr 2026 15:04:28 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Colin Percival Subject: git: 02b20e538267 - stable/15 - io_apic: Support APIC Extended Destination IDs List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@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/15 X-Git-Reftype: branch X-Git-Commit: 02b20e538267312811ddb8fd0f3d6b63915ffb7e Auto-Submitted: auto-generated Date: Thu, 16 Apr 2026 15:04:28 +0000 Message-Id: <69e0fa7c.1a5ef.5ad5747c@gitrepo.freebsd.org> The branch stable/15 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=02b20e538267312811ddb8fd0f3d6b63915ffb7e commit 02b20e538267312811ddb8fd0f3d6b63915ffb7e Author: Colin Percival AuthorDate: 2026-03-16 23:45:32 +0000 Commit: Colin Percival CommitDate: 2026-04-16 15:03:59 +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 e088b3d53547..b905aee6a8ed 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 5d28b7e8c611..28841cfc0e21 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);