From patchwork Mon Apr 21 13:00:06 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 28699 Return-Path: X-Original-To: linaro@patches.linaro.org Delivered-To: linaro@patches.linaro.org Received: from mail-ob0-f199.google.com (mail-ob0-f199.google.com [209.85.214.199]) by ip-10-151-82-157.ec2.internal (Postfix) with ESMTPS id 159D720341 for ; Mon, 21 Apr 2014 13:04:05 +0000 (UTC) Received: by mail-ob0-f199.google.com with SMTP id gq1sf27122226obb.10 for ; Mon, 21 Apr 2014 06:04:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:delivered-to:from:to:subject:date:message-id :in-reply-to:references:cc:precedence:list-id:list-unsubscribe :list-archive:list-post:list-help:list-subscribe:mime-version:sender :errors-to:x-original-sender:x-original-authentication-results :mailing-list:content-type:content-transfer-encoding; bh=LzmK5+9A8yXujhNlSwZiVxfe8og5oyj96FCUWC5OCfU=; b=CIWyqfDl5+yekM6bs30IL1Hu+CeW3ivthmYiFuNWc0T+Gbr69wXXDJ7O10HcBd55KD L7ctDiQ02TNNfST9Aonct5QZb5EKScgotWJp62SZlvo+5u+puXHktTIqrL4TNmMnGoQk bIvugKq/aCbvCgs+GpthK4SLllahk6wqqhCDj1W/8qO+6CaXxZGBqtzTURm+9Quicv1i zKz0x03C4tnXXl5gpwY1aHIoYsR17c9TvfJZhJpDhnNi1U54RnhE27a/n0YBdrH3jSmP yK7okSMd/6VYSk+XY5FWeKnHl2zxQaeiIJVzjl2U4FBRs/sJJD07CLPEi2bovc/dNxYZ Wd6g== X-Gm-Message-State: ALoCoQmxVPqZAT07C8FrJPKoyNWc2od0VWnYzwV4FxpAX8nk1DP5Nky0p41n2bCg+SvIvOgufpEY X-Received: by 10.43.45.1 with SMTP id ui1mr15291554icb.1.1398085445588; Mon, 21 Apr 2014 06:04:05 -0700 (PDT) X-BeenThere: patchwork-forward@linaro.org Received: by 10.140.24.146 with SMTP id 18ls1426969qgr.58.gmail; Mon, 21 Apr 2014 06:04:05 -0700 (PDT) X-Received: by 10.52.3.129 with SMTP id c1mr120133vdc.37.1398085445482; Mon, 21 Apr 2014 06:04:05 -0700 (PDT) Received: from mail-ve0-f176.google.com (mail-ve0-f176.google.com [209.85.128.176]) by mx.google.com with ESMTPS id sj10si6240060vcb.123.2014.04.21.06.04.05 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 21 Apr 2014 06:04:05 -0700 (PDT) Received-SPF: neutral (google.com: 209.85.128.176 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) client-ip=209.85.128.176; Received: by mail-ve0-f176.google.com with SMTP id db11so7931937veb.35 for ; Mon, 21 Apr 2014 06:04:05 -0700 (PDT) X-Received: by 10.58.186.71 with SMTP id fi7mr17286vec.32.1398085445404; Mon, 21 Apr 2014 06:04:05 -0700 (PDT) X-Forwarded-To: patchwork-forward@linaro.org X-Forwarded-For: patch@linaro.org patchwork-forward@linaro.org Delivered-To: patch@linaro.org Received: by 10.220.221.72 with SMTP id ib8csp289873vcb; Mon, 21 Apr 2014 06:04:05 -0700 (PDT) X-Received: by 10.140.35.177 with SMTP id n46mr32823239qgn.46.1398085444614; Mon, 21 Apr 2014 06:04:04 -0700 (PDT) Received: from bombadil.infradead.org (bombadil.infradead.org. [2001:1868:205::9]) by mx.google.com with ESMTPS id z8si6687638qar.157.2014.04.21.06.04.04 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 21 Apr 2014 06:04:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org designates 2001:1868:205::9 as permitted sender) client-ip=2001:1868:205::9; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcDrv-0008ME-1s; Mon, 21 Apr 2014 13:02:43 +0000 Received: from mail-pb0-f52.google.com ([209.85.160.52]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcDrb-0007li-1E for linux-arm-kernel@lists.infradead.org; Mon, 21 Apr 2014 13:02:23 +0000 Received: by mail-pb0-f52.google.com with SMTP id rr13so3723831pbb.39 for ; Mon, 21 Apr 2014 06:02:02 -0700 (PDT) X-Received: by 10.66.148.98 with SMTP id tr2mr37879520pab.33.1398085322482; Mon, 21 Apr 2014 06:02:02 -0700 (PDT) Received: from pnqlab006.amcc.com ([182.73.239.130]) by mx.google.com with ESMTPSA id iq10sm78049235pbc.14.2014.04.21.06.01.57 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 21 Apr 2014 06:02:01 -0700 (PDT) From: Anup Patel To: kvmarm@lists.cs.columbia.edu Subject: [PATCH v10 12/12] ARM/ARM64: KVM: Advertise KVM_CAP_ARM_PSCI_0_2 to user space Date: Mon, 21 Apr 2014 18:30:06 +0530 Message-Id: <1398085206-30555-13-git-send-email-anup.patel@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1398085206-30555-1-git-send-email-anup.patel@linaro.org> References: <1398085206-30555-1-git-send-email-anup.patel@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140421_060223_098774_1ABDA6C9 X-CRM114-Status: UNSURE ( 9.53 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.3.2 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.160.52 listed in list.dnswl.org] Cc: Rob Herring , linaro-kernel@lists.linaro.org, Anup Patel , kvm@vger.kernel.org, Marc Zyngier , patches@apm.com, Ashwin Chaugule , linux-arm-kernel@lists.infradead.org, Christoffer Dall , Pranavkumar Sawargaonkar X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: anup.patel@linaro.org X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.128.176 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 We have PSCI v0.2 emulation available in KVM ARM/ARM64 hence advertise this to user space (i.e. QEMU or KVMTOOL) via KVM_CHECK_EXTENSION ioctl. Signed-off-by: Anup Patel Signed-off-by: Pranavkumar Sawargaonkar Acked-by: Christoffer Dall Acked-by: Marc Zyngier --- arch/arm/kvm/arm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index f0e50a0..3c82b37 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -197,6 +197,7 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_DESTROY_MEMORY_REGION_WORKS: case KVM_CAP_ONE_REG: case KVM_CAP_ARM_PSCI: + case KVM_CAP_ARM_PSCI_0_2: r = 1; break; case KVM_CAP_COALESCED_MMIO: