From patchwork Mon Mar 31 10:46:13 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 3913731 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 D1E1D9F2B6 for ; Mon, 31 Mar 2014 11:50:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1730120200 for ; Mon, 31 Mar 2014 11:50:26 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (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 1FC0B201F4 for ; Mon, 31 Mar 2014 11:50:25 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WUZmz-00071Y-9f; Mon, 31 Mar 2014 10:50:02 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WUZmD-0004pl-Ns; Mon, 31 Mar 2014 10:49:13 +0000 Received: from mail-pd0-f176.google.com ([209.85.192.176]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WUZlE-0004iO-IR for linux-arm-kernel@lists.infradead.org; Mon, 31 Mar 2014 10:48:13 +0000 Received: by mail-pd0-f176.google.com with SMTP id r10so7828122pdi.35 for ; Mon, 31 Mar 2014 03:47:51 -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=3PVyHOQN9Tr9fmX++6WGsS2H1wpB6mFsUgXPXJk06x8=; b=ImD1zpXYLVQBrz6jOmpDY7tUt+c81MsaKixGm4+noP5KjxbLiHwp4PXa7eQA4T7dHV uHTrn1AdW6OTnU3mXaWlRs6eYb2SBg05oJnfIgT3rARQewBthrm+P8sN1EpqAoo+E60E U5Y9ZbHJpyFLHChMDsjCaSNRj7NvKWnMxQXp49CinYWPeFCQh326QnbgPoPWOXZntvaX NVr0a1IoikDzvFb6KCRqWa01psWXPd+2U1t/mCrhZqZ2Re7uCqn1n13L6VP4g4OU/62U zEgLz1Yg10bEHTW+ZfEEV+JZEKd/5dAzogxX5B/bmVCwnEEGWtPcy7oxRa2FUgE832qg eYAw== X-Gm-Message-State: ALoCoQk0kmQypH5ELugriLMbn39pbAdO40wJ0A5nh5umbcpYOWEaNpq6vONpvOALOvmSaSNi+vmn X-Received: by 10.68.236.100 with SMTP id ut4mr24412219pbc.29.1396262871196; Mon, 31 Mar 2014 03:47:51 -0700 (PDT) Received: from pnqlab006.amcc.com ([182.73.239.130]) by mx.google.com with ESMTPSA id oa3sm42582874pbb.15.2014.03.31.03.47.46 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 31 Mar 2014 03:47:50 -0700 (PDT) From: Anup Patel To: kvmarm@lists.cs.columbia.edu Subject: [PATCH v6 12/12] ARM/ARM64: KVM: Advertise KVM_CAP_ARM_PSCI_0_2 to user space Date: Mon, 31 Mar 2014 16:16:13 +0530 Message-Id: <1396262773-7723-13-git-send-email-anup.patel@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1396262773-7723-1-git-send-email-anup.patel@linaro.org> References: <1396262773-7723-1-git-send-email-anup.patel@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140331_064812_731380_A0EE280E X-CRM114-Status: UNSURE ( 7.50 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) Cc: Mark Rutland , Rob Herring , linaro-kernel@lists.linaro.org, Anup Patel , Marc Zyngier , patches@apm.com, 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=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 --- 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 bd18bb8..2076605 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: