From patchwork Tue Apr 15 06:14:07 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 3989251 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 94798BFF02 for ; Tue, 15 Apr 2014 06:18:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C5A5B2013D for ; Tue, 15 Apr 2014 06:18:15 +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 07E872012D for ; Tue, 15 Apr 2014 06:18:15 +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 1WZwec-0007VT-Vy; Tue, 15 Apr 2014 06:15:34 +0000 Received: from mail-pa0-f54.google.com ([209.85.220.54]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WZweV-0007OL-8e for linux-arm-kernel@lists.infradead.org; Tue, 15 Apr 2014 06:15:27 +0000 Received: by mail-pa0-f54.google.com with SMTP id lf10so9234021pab.13 for ; Mon, 14 Apr 2014 23:15:06 -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=ffSvl+qHISLAgjODEnyqhrkirH7uMuMa8c2IFn8sNk8=; b=cYxNYDWeCg4FKLCo4lrf9gUI2IKDt/Sy2Lf+KKkbUDx0i07CHsv9LmxBNmI36h5Trp PGqltabAU3+F8OyltkTLx/QbwD4yJKUPO4++HhAWZYOeUftYJCgV+AORz0VvdI+o5JPk oz8++yqke/Rv+CBQARcD1eGHZApVbamB9uPBQ+M5yc+wcttorFM4A21R0v8dyXxiWUiL GuGXCFM5eIgVJS/KMLf24zd84SpnmDfmh64oUqOWij/A3/ci6alpOKzSPcYAdQOkTjMo Ou6DKA4qM0D94nZW/xVF4L0QAkywypD0rf/gfy7HqHkzo1IVEHztqVreE/CMaj7NRzTz Hrow== X-Gm-Message-State: ALoCoQlFlnDfa2u62R1DmKVEyPGrh+CtzifLeohVrYuhod3yFvPq1jMUm57BRNzGhs73QexKg7dp X-Received: by 10.68.196.202 with SMTP id io10mr7461502pbc.149.1397542506280; Mon, 14 Apr 2014 23:15:06 -0700 (PDT) Received: from pnqlab006.amcc.com ([182.73.239.130]) by mx.google.com with ESMTPSA id oz7sm37870688pbc.41.2014.04.14.23.15.00 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 14 Apr 2014 23:15:04 -0700 (PDT) From: Anup Patel To: kvmarm@lists.cs.columbia.edu Subject: [PATCH v9 04/12] KVM: Documentation: Add info regarding KVM_ARM_VCPU_PSCI_0_2 feature Date: Tue, 15 Apr 2014 11:44:07 +0530 Message-Id: <1397542455-354-5-git-send-email-anup.patel@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1397542455-354-1-git-send-email-anup.patel@linaro.org> References: <1397542455-354-1-git-send-email-anup.patel@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140414_231527_337825_231F2BD4 X-CRM114-Status: UNSURE ( 9.45 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) Cc: Mark Rutland , Rob Herring , linaro-kernel@lists.linaro.org, Anup Patel , 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=-2.6 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 in-kernel emulation of PSCI v0.2 in KVM ARM/ARM64. To provide PSCI v0.2 interface to VCPUs, we have to enable KVM_ARM_VCPU_PSCI_0_2 feature when doing KVM_ARM_VCPU_INIT ioctl. The patch updates documentation of KVM_ARM_VCPU_INIT ioctl to provide info regarding KVM_ARM_VCPU_PSCI_0_2 feature. Signed-off-by: Anup Patel Signed-off-by: Pranavkumar Sawargaonkar Acked-by: Christoffer Dall Acked-by: Marc Zyngier --- Documentation/virtual/kvm/api.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index a9380ba5..6dc1db5 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -2376,6 +2376,8 @@ Possible features: Depends on KVM_CAP_ARM_PSCI. - KVM_ARM_VCPU_EL1_32BIT: Starts the CPU in a 32bit mode. Depends on KVM_CAP_ARM_EL1_32BIT (arm64 only). + - KVM_ARM_VCPU_PSCI_0_2: Emulate PSCI v0.2 for the CPU. + Depends on KVM_CAP_ARM_PSCI_0_2. 4.83 KVM_ARM_PREFERRED_TARGET