From nobody Tue Feb 10 07:23:05 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 1673906675120561.7607967754286; Mon, 16 Jan 2023 14:04:35 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pHXVS-0007mQ-4a; Mon, 16 Jan 2023 16:59:07 -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 1pHXUy-0006qP-Fn for qemu-devel@nongnu.org; Mon, 16 Jan 2023 16:58:36 -0500 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHXUt-0003dz-Kh for qemu-devel@nongnu.org; Mon, 16 Jan 2023 16:58:36 -0500 Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1pHXUN-005jRe-31; Mon, 16 Jan 2023 21:58:02 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pHXUW-004iOs-1M; Mon, 16 Jan 2023 21:58:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=B3hVcgE0jp6b4D4LDXWfBhVShMkRezT6Od9KoQmY/0s=; b=n00EZ/7hL57koj7KuudJlYkRUN V6ypU6cN2suE48OUikI22eWONcXTOZMrdQFYlHWiMHWCZuqM5gh7Uy2ziWKYZHJGs7WNisXEUKWwJ IXt43nlSuIGUnoD8ed+W8zcRpL29QxbrGVzrNiF5xwZLze6Bu+jEuRbrCB+L645kn3IAKSUrJ+p9a JHAAOz7RaSMquz1MeeoU0zVfqnUS/xFshdCyTBEb5D9Khi/Zql1AqSVyfJNJJn3nXlIph+eTeTm1G rL+LsYENAja9o2nRcTrR3rV3VDjZ/XoOexn1zd3yJpGD7hals4o18q79/RKLSDecuDnWtV90ev88d 6WIaDeZQ==; From: David Woodhouse To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Paul Durrant , Joao Martins , Ankur Arora , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Juan Quintela , "Dr . David Alan Gilbert" , Claudio Fontana , Julien Grall , "Michael S. Tsirkin" , Marcel Apfelbaum , armbru@redhat.com Subject: [PATCH v7 19/51] i386/xen: implement HYPERVISOR_vcpu_op Date: Mon, 16 Jan 2023 21:57:33 +0000 Message-Id: <20230116215805.1123514-20-dwmw2@infradead.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116215805.1123514-1-dwmw2@infradead.org> References: <20230116215805.1123514-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SRS-Rewrite: SMTP reverse-path rewritten from by desiato.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:1:d65d:64ff:fe57:4e05; envelope-from=BATV+491b11caf3ce55304f6a+7085+infradead.org+dwmw2@desiato.srs.infradead.org; helo=desiato.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: 1673906675704100013 Content-Type: text/plain; charset="utf-8" From: Joao Martins This is simply when guest tries to register a vcpu_info and since vcpu_info placement is optional in the minimum ABI therefore we can just fail with -ENOSYS Signed-off-by: Joao Martins Signed-off-by: David Woodhouse Reviewed-by: Paul Durrant --- target/i386/kvm/xen-emu.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/target/i386/kvm/xen-emu.c b/target/i386/kvm/xen-emu.c index e8c5a8db53..bb5d302901 100644 --- a/target/i386/kvm/xen-emu.c +++ b/target/i386/kvm/xen-emu.c @@ -26,6 +26,7 @@ #include "standard-headers/xen/sched.h" #include "standard-headers/xen/memory.h" #include "standard-headers/xen/hvm/hvm_op.h" +#include "standard-headers/xen/vcpu.h" =20 #include "xen-compat.h" =20 @@ -360,6 +361,25 @@ static bool kvm_xen_hcall_hvm_op(struct kvm_xen_exit *= exit, X86CPU *cpu, } } =20 +static bool kvm_xen_hcall_vcpu_op(struct kvm_xen_exit *exit, X86CPU *cpu, + int cmd, int vcpu_id, uint64_t arg) +{ + int err; + + switch (cmd) { + case VCPUOP_register_vcpu_info: + /* no vcpu info placement for now */ + err =3D -ENOSYS; + break; + + default: + return false; + } + + exit->u.hcall.result =3D err; + return true; +} + static int kvm_xen_soft_reset(void) { int err; @@ -455,6 +475,11 @@ static bool do_kvm_xen_handle_exit(X86CPU *cpu, struct= kvm_xen_exit *exit) case __HYPERVISOR_sched_op: return kvm_xen_hcall_sched_op(exit, cpu, exit->u.hcall.params[0], exit->u.hcall.params[1]); + case __HYPERVISOR_vcpu_op: + return kvm_xen_hcall_vcpu_op(exit, cpu, + exit->u.hcall.params[0], + exit->u.hcall.params[1], + exit->u.hcall.params[2]); case __HYPERVISOR_hvm_op: return kvm_xen_hcall_hvm_op(exit, cpu, exit->u.hcall.params[0], exit->u.hcall.params[1]); --=20 2.39.0