From patchwork Fri May 26 09:21:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zhang X-Patchwork-Id: 767341 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3wZ11s2SxRz9ryv for ; Fri, 26 May 2017 19:25:05 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="hxGYNef3"; dkim-atps=neutral Received: from localhost ([::1]:35663 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dEBUU-00062u-UP for incoming@patchwork.ozlabs.org; Fri, 26 May 2017 05:25:02 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45442) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dEBR8-0002ga-H2 for qemu-devel@nongnu.org; Fri, 26 May 2017 05:21:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dEBR7-0005Zq-MZ for qemu-devel@nongnu.org; Fri, 26 May 2017 05:21:34 -0400 Received: from mail-pf0-x242.google.com ([2607:f8b0:400e:c00::242]:32807) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dEBR5-0005YT-NC; Fri, 26 May 2017 05:21:31 -0400 Received: by mail-pf0-x242.google.com with SMTP id f27so1525371pfe.0; Fri, 26 May 2017 02:21:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=ti3cMgCW5ys2hcfsEX6wrXBMUMwEfJMtKpFpA4/pWi4=; b=hxGYNef3eCHXrQDE/psND/9vSABwde+ebTvdDlx9T2DWwnXCBo6gWP9FA5udFguTIv vsZWHS63oO/WGApbK/V002nCeO/R2ww/zpG98K3q5sCQ8BePRFvrI2mOkQHgvfW4Nz9O rAO4n/VlquptJU0MTzla1oQ0jP+aj0fBu3NFXttc2oK4NtWnK8FHcgNHWm9cE9t6vLff 1bOMsc/zEyzjnaqpySdUtCMO2glaeyl+6SQIMm5SUPYoupzo0aQvLKTVTokMxp3P6H4h nFaRqQe3JYu1asTYJ9ojdbonvv/r4G879DaiUQDvID20i7OQ/JSwA61W7dbtThliUsv9 9hAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=ti3cMgCW5ys2hcfsEX6wrXBMUMwEfJMtKpFpA4/pWi4=; b=RT27gWshu6hKnckoRX0hU54ll/jpSE94+2gur1GZUzyTt5dkES9O2RUttYCm/P2tZ9 b/iEp/MYFH4caPMEYuO+8152nSQkRXh1kNGppXzhrR/NnhjtPwC9FgC1mfprxTTXFSah 388TOg4sa9EL9SQWMjaon8UUNNBmEOHRVaOzmodnFzquXhch+Dymo2tfOG2jlwmeGoWZ ONbyljFHUZ+sB4KMOuhwenNEQfY54OGqr4njYC1q5lXJHImtYCGhCJE/hpcBe5Lhqvr9 wE83aH3Hh93+vKtpHtyMWtXNw+8KgrQ2qSKtPhGd7vYOMhqEQL/lpdy/hqAqfo6iV+SF Z1oA== X-Gm-Message-State: AODbwcAusniEQ8Tvt9k7XG2btEa4AwX/Z9PCx4Dt0GpJKTAZGbRCo3Eg 3YcLEsEbTiuD8Q== X-Received: by 10.99.110.200 with SMTP id j191mr1217162pgc.236.1495790490999; Fri, 26 May 2017 02:21:30 -0700 (PDT) Received: from control2.hxtcorp.net ([223.203.96.18]) by smtp.gmail.com with ESMTPSA id b2sm602187pgc.16.2017.05.26.02.21.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 26 May 2017 02:21:30 -0700 (PDT) From: Li Zhang To: peter.maydell@linaro.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org Date: Fri, 26 May 2017 17:21:08 +0800 Message-Id: <1495790468-23862-4-git-send-email-zhlcindy@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1495790468-23862-1-git-send-email-zhlcindy@gmail.com> References: <1495790468-23862-1-git-send-email-zhlcindy@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c00::242 Subject: [Qemu-devel] [PATCH 3/3] arm/virt: Implement hot_add_cpu interface 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: Li Zhang Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Li Zhang This patch is to add add_hot_cpu interface. Signed-off-by: Li Zhang --- hw/arm/virt.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 31314c1..c7e8322 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -527,6 +527,24 @@ out: error_propagate(errp, err); } +static void virt_hot_add_cpu(const int64_t id, Error **errp) +{ + MachineState *ms = MACHINE(qdev_get_machine()); + VirtMachineState *vms = VIRT_MACHINE(ms); + + if (id < 0 || id >= max_cpus) { + error_setg(errp, "Invalid CPU id: %" PRIi64, id); + return; + } + + virt_new_cpu(ms, id, errp); + if (errp) { + return; + } + + fdt_add_cpu_node(vms, id); +} + static void fdt_add_its_gic_node(VirtMachineState *vms) { vms->msi_phandle = qemu_fdt_alloc_phandle(vms->fdt); @@ -1654,6 +1672,7 @@ static void virt_machine_class_init(ObjectClass *oc, void *data) mc->minimum_page_bits = 12; mc->possible_cpu_arch_ids = virt_possible_cpu_arch_ids; mc->cpu_index_to_instance_props = virt_cpu_index_to_props; + mc->hot_add_cpu = virt_hot_add_cpu; } static const TypeInfo virt_machine_info = {