From patchwork Wed Jul 6 06:20:43 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 9215501 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1DC2C607D9 for ; Wed, 6 Jul 2016 06:26:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0E4B8286F1 for ; Wed, 6 Jul 2016 06:26:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 02E10286F3; Wed, 6 Jul 2016 06:26:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 98242286F1 for ; Wed, 6 Jul 2016 06:26:15 +0000 (UTC) Received: from localhost ([::1]:59555 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bKgHm-0003JP-NU for patchwork-qemu-devel@patchwork.kernel.org; Wed, 06 Jul 2016 02:26:14 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60638) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bKgD9-0006NN-CW for qemu-devel@nongnu.org; Wed, 06 Jul 2016 02:21:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bKgD7-0004Jf-B5 for qemu-devel@nongnu.org; Wed, 06 Jul 2016 02:21:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40478) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bKgD7-0004JU-3S for qemu-devel@nongnu.org; Wed, 06 Jul 2016 02:21:25 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BA5193B71B; Wed, 6 Jul 2016 06:21:24 +0000 (UTC) Received: from 172-15-179-184.lightspeed.austtx.sbcglobal.net (ovpn-112-22.ams2.redhat.com [10.36.112.22]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u666KvAA014835; Wed, 6 Jul 2016 02:21:21 -0400 From: Igor Mammedov To: qemu-devel@nongnu.org Date: Wed, 6 Jul 2016 08:20:43 +0200 Message-Id: <1467786055-85835-8-git-send-email-imammedo@redhat.com> In-Reply-To: <1467786055-85835-1-git-send-email-imammedo@redhat.com> References: <1467786055-85835-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 06 Jul 2016 06:21:24 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 07/19] pc: set APIC ID based on socket/core/thread ids if it's not been set yet X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pkrempa@redhat.com, ehabkost@redhat.com, mst@redhat.com, armbru@redhat.com, eduardo.otubo@profitbricks.com, marcel@redhat.com, pbonzini@redhat.com, rth@twiddle.net Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP CPU added with device_add help won't have APIC ID set, so set it according to socket/core/thread ids provided with device_add command. Signed-off-by: Igor Mammedov Reviewed-by: Eduardo Habkost --- v3: - use %u for printing topo ids v2: - add validity checks for socket-id/core-id/thread-id values --- hw/i386/pc.c | 44 +++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 41 insertions(+), 3 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 24231ca..29da2d4 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1763,14 +1763,52 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { int idx; + CPUArchId *cpu_slot; X86CPUTopoInfo topo; X86CPU *cpu = X86_CPU(dev); PCMachineState *pcms = PC_MACHINE(hotplug_dev); - CPUArchId *cpu_slot = pc_find_cpu_slot(pcms, CPU(dev), &idx); + /* if APIC ID is not set, set it based on socket/core/thread properties */ + if (cpu->apic_id == UNASSIGNED_APIC_ID) { + int max_socket = (max_cpus - 1) / smp_threads / smp_cores; + + if (cpu->socket_id < 0) { + error_setg(errp, "CPU socket-id is not set"); + return; + } else if (cpu->socket_id > max_socket) { + error_setg(errp, "Invalid CPU socket-id: %u must be in range 0:%u", + cpu->socket_id, max_socket); + return; + } + if (cpu->core_id < 0) { + error_setg(errp, "CPU core-id is not set"); + return; + } else if (cpu->core_id > (smp_cores - 1)) { + error_setg(errp, "Invalid CPU core-id: %u must be in range 0:%u", + cpu->core_id, smp_cores - 1); + return; + } + if (cpu->thread_id < 0) { + error_setg(errp, "CPU thread-id is not set"); + return; + } else if (cpu->thread_id > (smp_threads - 1)) { + error_setg(errp, "Invalid CPU thread-id: %u must be in range 0:%u", + cpu->thread_id, smp_threads - 1); + return; + } + + topo.pkg_id = cpu->socket_id; + topo.core_id = cpu->core_id; + topo.smt_id = cpu->thread_id; + cpu->apic_id = apicid_from_topo_ids(smp_cores, smp_threads, &topo); + } + + cpu_slot = pc_find_cpu_slot(pcms, CPU(dev), &idx); if (!cpu_slot) { - error_setg(errp, "Invalid CPU index with APIC ID (%" PRIu32 - "), valid range 0:%d", cpu->apic_id, + x86_topo_ids_from_apicid(cpu->apic_id, smp_cores, smp_threads, &topo); + error_setg(errp, "Invalid CPU[socket: %d, core: %d, thread: %d] with" + " APIC ID (%" PRIu32 "), valid index range 0:%d", + topo.pkg_id, topo.core_id, topo.smt_id, cpu->apic_id, pcms->possible_cpus->len - 1); return; }