From nobody Sat Mar 28 05:56:31 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 4fjRbM47J7z6XbRf for ; Sat, 28 Mar 2026 05:56:31 +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 4fjRbM0qK9z3ql6 for ; Sat, 28 Mar 2026 05:56:31 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1774677391; 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=oeM9lskBCvVRHOWkDQCT1Nsm/V7TK4eVS85aqphpMO0=; b=JI8lf1jyq0lKkOD1mPjB7SsGvTqNX8YShNPBJJCX7ToSlYaINNh31CncXAU7QRU8dl3l7R h26E0R4q4XIz6GN5XCzOV/hsME30pVWQC3obaG/u2vtYVZLEftau9az8slshbOs0jRAm46 ZPazYaFUV/7RZYb/J5aMUXpfjy1kkRoo4P9wlrvZmjsVBNjMEF7MH5Y6yIvk9KmdH7E9TA SMD+4L6t+yk4pvqZrDL9Fpd5CzvlWhUvMVSOpVxZVKva29OsjmAJdKPDjm03jKieHe2YW7 c7FN30Zt87/HXW/bu1NxiO3S4qfSeVsxBVUiBFallazRTWLxhQ9vu/+d+DUSyA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1774677391; a=rsa-sha256; cv=none; b=m8mujeZM6S3+Fng+f/LGI6wnfCO/S7iwEXWpzLsyc6ccW3fhfEvHTUnmeMG/6yDt9W/Du6 NLhccza8JNtHG0TNaxgz+MiHx1FNoVL6FpsOID7Bf9VB3ih38A3pPCSGdhgKFed/ppeMeV Yb1qQuDW7BUFE4Kv/k4psTOdK5k608S5ft4s+ed6GV3OQ8cw48TIlY9vDIjXYAXZKF9+S9 I6Bgy6OWdjwkrus1YfyWbK1eoRgWOqlYguni9Da+078wpj0OLJTx6BH38sRglDR7OP79su x+GljgSWs0uPsqBDsqMfkUSBYJWNj5Qu5eZnHvnRl63KOPNVHbvEF5NtNyzBBA== 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=1774677391; 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=oeM9lskBCvVRHOWkDQCT1Nsm/V7TK4eVS85aqphpMO0=; b=wUUfXAgNNJoqLvtq0KzINI7m1IbQEbTnJ3lHnBgCUUcjpLy4mC6hLzOQWk3B4f+VLXw5Lc ef8lxO19jFREY7hImV9ORa4FqmtZ1pT/np2TqnJ52qywhANlkwxoZWDGS9fB+SiCdoUlae BM+O2pEzgOaDMcMRPgQw6gMKRGzsILLnJSzDLg3DZqvHQIVUJbvys6sxTE8Q3MZwCjOzSi WqUgyBwzyNehfdubDgPIndIYYpKygClFHYZEX/bN5KPMsfycY0dJLEQ1bpAvuCaJccHYP5 DWH9KsIafuRw50j/D8vFF1bsBCWJ5WwEq66V228QZE1sE/Jy/RPKfgyijkn4Dg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fjRbM061Dz1BmS for ; Sat, 28 Mar 2026 05:56:31 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 405ea by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Sat, 28 Mar 2026 05:56:31 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Colin Percival Subject: git: b0e1b1069d65 - main - 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/main X-Git-Reftype: branch X-Git-Commit: b0e1b1069d655f12ab69cf3a1dc1904dd35ad1da Auto-Submitted: auto-generated Date: Sat, 28 Mar 2026 05:56:31 +0000 Message-Id: <69c76d8f.405ea.3218ec58@gitrepo.freebsd.org> The branch main has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=b0e1b1069d655f12ab69cf3a1dc1904dd35ad1da commit b0e1b1069d655f12ab69cf3a1dc1904dd35ad1da Author: Colin Percival AuthorDate: 2026-03-16 23:45:32 +0000 Commit: Colin Percival CommitDate: 2026-03-28 05:54:22 +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 --- 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 c2f4414ec8db..2dda3103f93c 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);