From nobody Tue Feb 10 13:37:30 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 16702616944611003.6561945813618; Mon, 5 Dec 2022 09:34:54 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p2FKR-0007tv-Qy; Mon, 05 Dec 2022 12:32:33 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p2FKO-0007rU-TO for qemu-devel@nongnu.org; Mon, 05 Dec 2022 12:32:28 -0500 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p2FJx-0007Pv-Nv for qemu-devel@nongnu.org; Mon, 05 Dec 2022 12:32:28 -0500 Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1p2FJw-003TwX-SE; Mon, 05 Dec 2022 17:32:01 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1p2FJo-002YKj-PR; Mon, 05 Dec 2022 17:31:52 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=tYJAnzCIZvUu6kPrZmPTe2KqYRMAWIKQIKSSyvhYIz0=; b=Djkytg8nSgoPF8B+XsNb1gD+de LVG1Y8UDfda4X362eTEyAu5Adc3Z7xgq3GJtyGbtbHLmGjoM7ehOZ5JqNmHWDWgW7IOEBLkTc/Imz B9aTxttg8jglo67tYX6gpjk1uCN5zE5MTjYPIxV//P5QUr95enspDmsFPFi4OXEa/y+gdi6mLXN8Z 5GLmQmdTeCdKigPl0zKBLKPUAf4DkItOsGfByh+l/Cs6uyfiEK4++HkBODddBMXWRI4PgZAFJY25e yo8/Fvx61xn48kuGE6wecyD7L+BeDyGv6v2HDmHVomwYB5scVfkLHRsysdslsg9hSMO84b8d6hJo6 pjNw+YeA==; From: David Woodhouse To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Paul Durrant , Joao Martins , Ankur Arora Subject: [RFC PATCH 17/21] i386/xen: handle register_runstate_memory_area Date: Mon, 5 Dec 2022 17:31:33 +0000 Message-Id: <20221205173137.607044-18-dwmw2@infradead.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20221205173137.607044-1-dwmw2@infradead.org> References: <20221205173137.607044-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2001:8b0:10b:1236::1; envelope-from=BATV+f9b04eb53d39f4899ead+7043+infradead.org+dwmw2@casper.srs.infradead.org; helo=casper.infradead.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1670261695872100002 Content-Type: text/plain; charset="utf-8" From: Joao Martins Allow guest to setup the vcpu runstates which is used as steal clock. Signed-off-by: Joao Martins Signed-off-by: David Woodhouse --- target/i386/xen.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/target/i386/xen.c b/target/i386/xen.c index 1def526e08..6f0c46c018 100644 --- a/target/i386/xen.c +++ b/target/i386/xen.c @@ -270,6 +270,27 @@ static int vcpuop_register_vcpu_time_info(CPUState *cs= , CPUState *target, return xen_set_vcpu_attr(target, KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO= , gpa); } =20 +static int vcpuop_register_runstate_info(CPUState *cs, CPUState *target, + uint64_t arg) +{ + struct vcpu_register_runstate_memory_area *rma; + uint64_t gpa; + void *hva; + + rma =3D gva_to_hva(cs, arg); + if (!rma) { + return -EFAULT; + } + + hva =3D gva_to_hva(cs, rma->addr.p); + if (!hva || !rma->addr.p) { + return -EFAULT; + } + + gpa =3D gva_to_gpa(cs, rma->addr.p); + return xen_set_vcpu_attr(target, KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR,= gpa); +} + static int kvm_xen_hcall_vcpu_op(struct kvm_xen_exit *exit, X86CPU *cpu, int cmd, int vcpu_id, uint64_t arg) { @@ -278,6 +299,10 @@ static int kvm_xen_hcall_vcpu_op(struct kvm_xen_exit *= exit, X86CPU *cpu, int err =3D -ENOSYS; =20 switch (cmd) { + case VCPUOP_register_runstate_memory_area: { + err =3D vcpuop_register_runstate_info(cs, dest, arg); + break; + } case VCPUOP_register_vcpu_time_memory_area: { err =3D vcpuop_register_vcpu_time_info(cs, dest, arg); break; --=20 2.35.3