From patchwork Tue Jan 21 13:01:41 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 3517881 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 20096C02DC for ; Tue, 21 Jan 2014 13:03:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E87472015D for ; Tue, 21 Jan 2014 13:03:57 +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 AC40220145 for ; Tue, 21 Jan 2014 13:03:56 +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 1W5az0-00041R-1O; Tue, 21 Jan 2014 13:03:10 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W5ayo-00055b-Gm; Tue, 21 Jan 2014 13:02:58 +0000 Received: from mail-pb0-f48.google.com ([209.85.160.48]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W5ayc-0004ze-3f for linux-arm-kernel@lists.infradead.org; Tue, 21 Jan 2014 13:02:54 +0000 Received: by mail-pb0-f48.google.com with SMTP id rr13so8342179pbb.35 for ; Tue, 21 Jan 2014 05:02:18 -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=j5og8lB5Cy2w9CgR0h2fSPQb6ZdHTpY21OIfHqHHJy8=; b=XlYPE5oBcqNFg9PqkyNmY5towY76wRet09aEYdotQ3j+naUfrlqty6YcxJUqZDbj4k T/4Sfe4D2bK6S2o57h79NwPCqpcXA3OtKoU2y51A3SgRAdBAzfW3Y2zQa/zHuHmZu75r US6U8fsVpqT/Wu07AqVoHNiXU5AvsF/UUkepYwD/l+AAZg65XST/9nrlFLf4WJrSyq6x nn9UxzhFvVbJcpBrvw9HP12ozDfHa7fgF0viAStTBFHMlgDGKIFe5Qhe7K4UzYb5VanC 00lFlHNKC7Um4E1bWVPEZMzdvVC1NGidCGjBCNQgRWrlf5UPxfL3ByPn2eyDNulok34p m/kQ== X-Gm-Message-State: ALoCoQlPJIHpRbjB2J1LGJo2YIVmnafMW5KnW88ARls1hZYY/nvfM0K0lQOl211bjPn2K2LDSCbw X-Received: by 10.66.149.231 with SMTP id ud7mr24999150pab.8.1390309338347; Tue, 21 Jan 2014 05:02:18 -0800 (PST) Received: from pnqlab006.amcc.com ([182.73.239.130]) by mx.google.com with ESMTPSA id x5sm12286819pbw.26.2014.01.21.05.02.13 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 21 Jan 2014 05:02:17 -0800 (PST) From: Anup Patel To: kvmarm@lists.cs.columbia.edu Subject: [RFC PATCH 3/3] KVM: Documentation: Add info regarding KVM_ARM_VCPU_PSCI_0_2 feature Date: Tue, 21 Jan 2014 18:31:41 +0530 Message-Id: <1390309301-28424-4-git-send-email-anup.patel@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1390309301-28424-1-git-send-email-anup.patel@linaro.org> References: <1390309301-28424-1-git-send-email-anup.patel@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140121_080246_838301_533FB809 X-CRM114-Status: UNSURE ( 9.72 ) 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 aad3244..a15fcdd 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 CPU. + Depends on KVM_CAP_ARM_PSCI_0_2. 4.83 KVM_ARM_PREFERRED_TARGET