From patchwork Thu Jan 30 10:41:19 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 3556241 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 2F09B9F2E9 for ; Thu, 30 Jan 2014 10:44:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 019AD20181 for ; Thu, 30 Jan 2014 10:44:01 +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 F175C2016C for ; Thu, 30 Jan 2014 10:43:59 +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 1W8p5Z-0000aH-Aa; Thu, 30 Jan 2014 10:43:17 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W8p5M-0000sX-DC; Thu, 30 Jan 2014 10:43:04 +0000 Received: from mail-pd0-f170.google.com ([209.85.192.170]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W8p58-0000py-Nj for linux-arm-kernel@lists.infradead.org; Thu, 30 Jan 2014 10:42:51 +0000 Received: by mail-pd0-f170.google.com with SMTP id p10so2886150pdj.1 for ; Thu, 30 Jan 2014 02:42:28 -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=lHJf2iaDBP92DTAXX23x++3KVphhfNXt/5tDxNE7opU=; b=d22G+RbTEFP3MaX33K1ZcapUeAhc4+2dcHdQzd+y5naVmXPxVpxKjHlOr/o5I7Fvsd K7Qc3hW6PfTbCWCBmRIlMboFfYn1EMU9rUYnPZ13aA7VszUyM4Qy2UMuVNOBCgXY719N CkPBrgN7ia8XBjvVSs13qFYsV4ssQWkGkBscNCb+jpeLXJQSo744Tz4AQwMU3JRV7eFS omXBFjbF2sGl0FURYUYBo4MeXVGIRI00uJjP+SCysncjO2eBfESaH3ysxsADXIhj/fdN coHxs4STKHqKPqB4+4fqUGh5Is476pwwQB4QUUrNl7iCvFW4dIIz4zv9LoJIJq2mXzMc wpwg== X-Gm-Message-State: ALoCoQn/R4g3ix7OKV9Cx7Oi+YCSuOdTYxjzsjVnWKrkTeWsxolcabNd8O/f47dAzLPTHc8s7Pd4 X-Received: by 10.66.26.10 with SMTP id h10mr13544456pag.24.1391078548266; Thu, 30 Jan 2014 02:42:28 -0800 (PST) Received: from pnqlab006.amcc.com ([182.73.239.130]) by mx.google.com with ESMTPSA id pe3sm16114916pbc.23.2014.01.30.02.42.23 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 30 Jan 2014 02:42:27 -0800 (PST) From: Anup Patel To: kvmarm@lists.cs.columbia.edu Subject: [PATCH v2 3/3] KVM: Documentation: Add info regarding KVM_ARM_VCPU_PSCI_0_2 feature Date: Thu, 30 Jan 2014 16:11:19 +0530 Message-Id: <1391078479-7406-4-git-send-email-anup.patel@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1391078479-7406-1-git-send-email-anup.patel@linaro.org> References: <1391078479-7406-1-git-send-email-anup.patel@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140130_054250_918078_8D649B2C X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) 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=-4.6 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 Acked-by: Christoffer Dall --- 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 aad3244..f842588 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -2346,6 +2346,8 @@ 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