From patchwork Tue Feb 4 09:48:15 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 3574651 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 E5219C02DC for ; Tue, 4 Feb 2014 09:50:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 28AA920176 for ; Tue, 4 Feb 2014 09:50:56 +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 3D72020170 for ; Tue, 4 Feb 2014 09:50:55 +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 1WAcdN-0003Fk-GS; Tue, 04 Feb 2014 09:49:38 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WAcd9-0001qX-46; Tue, 04 Feb 2014 09:49:23 +0000 Received: from mail-pa0-f51.google.com ([209.85.220.51]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WAcd1-0001n2-7w for linux-arm-kernel@lists.infradead.org; Tue, 04 Feb 2014 09:49:16 +0000 Received: by mail-pa0-f51.google.com with SMTP id ld10so8220360pab.24 for ; Tue, 04 Feb 2014 01:48:51 -0800 (PST) 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=O8Vh8jGnMRduJLFcyDwI3tXaNglJGpuadIFVef0zMtI=; b=JBQzOCZLzSpwB4FTWAf9kmVG27O8EodzNx5nAPSpOX0e+HYLoKZTCeUdbbo/eit0WV z2fWfG01jixyJjXjmbgqDKAwYJG+8jPALeCEOIwf9EJMVzCsaoRskX5Rr6kfCx/TkHVW jv4egRmYxn/KKkl9Y/+SjpOztJcUe+Sg6zaaODErFK4RVwg9GtVVNcmNDbsaOsUmFH0f nw4TqQc90JfepLZcxPStpJNNpxo5SnIw9cTYKbTjhrCQMabOv6H7YUW956MTXaoX0e9x d/D2z1rDHsVeO7WF31rQoO6VqweoxBi6TjP1OJqGjRb0F1nKy8axOVpd7zicQ+CxkNDN g8qA== X-Gm-Message-State: ALoCoQnZ5by5rVGJFywr764vY8xedApkclZwn6UsCzy7ONrdxMmsEcZ1G4Xl7Hw/W/7cVzQ2UQXg X-Received: by 10.66.121.68 with SMTP id li4mr43312163pab.33.1391507331616; Tue, 04 Feb 2014 01:48:51 -0800 (PST) Received: from pnqlab006.amcc.com ([182.73.239.130]) by mx.google.com with ESMTPSA id gg10sm64586644pbc.46.2014.02.04.01.48.47 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 04 Feb 2014 01:48:50 -0800 (PST) From: Anup Patel To: kvmarm@lists.cs.columbia.edu Subject: [PATCH v3 3/4] KVM: Documentation: Add info regarding KVM_ARM_VCPU_PSCI_0_2 feature Date: Tue, 4 Feb 2014 15:18:15 +0530 Message-Id: <1391507296-2099-4-git-send-email-anup.patel@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1391507296-2099-1-git-send-email-anup.patel@linaro.org> References: <1391507296-2099-1-git-send-email-anup.patel@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140204_044915_430677_39AA9639 X-CRM114-Status: UNSURE ( 9.00 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.6 (--) Cc: Mark Rutland , linaro-kernel@lists.linaro.org, Anup Patel , patches@linaro.org, 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 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 --- 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 6cd63a9..73cb211 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -2347,6 +2347,8 @@ 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