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: 4024821 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 861DF9F319 for ; Mon, 21 Apr 2014 13:05:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CDF75202E5 for ; Mon, 21 Apr 2014 13:05:14 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F276E202D1 for ; Mon, 21 Apr 2014 13:05:13 +0000 (UTC) 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-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=aRJyz5YNvhF2lBF6nnXTzpl6jsAE8iBzWgjBpWHBi0M=; b=Fj4ag1+Y+sgjWRJf0r1ameCmMxcJokGbH4VKhG9m9wwBnj8lnOaCv3Bvtp1sTqM8dR HLxvTLt3uAM9vtsD0x5KXwf7HJlnDWydOV9kjC+rlZQkJgYLfh8AFZGAablP3lPeGixA Ubg1hZQyrpXaVOmPLPZbPyHudwofJtRHqnviKmzbYE986RXRDIbELBrg4PlUjusGAKqi b9iAGau6DCVOy9AoGAAoLK3brYYEGgK7wSPB5QTIPzehQrozq7T5NQlmc+ql6mRDw+hJ qHTBGSX1YZM8lqt4JVrqDqJ+0amvHoK8O1elemvMmgJpwc8nI9Xz8CUlhyeW2tflwhNv lG7A== X-Gm-Message-State: ALoCoQmsRKgaWz+5Q4AjHo119yRp2p8awLVrZsV3GeGp81mYZjqMwkfCP2FwRSnz/9CumnXTUfoo 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 (/) 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+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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: