From patchwork Fri Feb 4 15:53:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudio Imbrenda X-Patchwork-Id: 12735256 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 658FBC433FE for ; Fri, 4 Feb 2022 15:54:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376565AbiBDPy2 (ORCPT ); Fri, 4 Feb 2022 10:54:28 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:21286 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1376355AbiBDPyH (ORCPT ); Fri, 4 Feb 2022 10:54:07 -0500 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 214E84XD017344; Fri, 4 Feb 2022 15:54:06 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=/6Sl30sM8A5BhmhnnOBeRQ+YoVbo7+nHsq+oYHBzaeE=; b=FE3mCj/gOJ5MBC0vn8Cy+ZYP+7ECajvEvM+4yoM2ADQqssHUlMSugG2ocaqSp6lL6ddK jBXTLSCetxUaEkBC7RIt24lu9NfVoUVWZNHMV3zXh2UyioYAxAWUN7R+cJcbMCPjx80V Asyo0o8vrEBV6akH9ovcylgBEFjZZr562ySNXOHEIkoeXhin4nU/tVZwjvssUXY0rHA3 Uc3azq55UCj3JBZ4ysaAy0SCbe3hTJVZTIZq+dwHZ+X28yz5UzeOTQLE3I4fwEN2gef7 E/wsmrhv9of8oMFX4zu5r7T/VXHJPKcyPhnetFikqRzGVRl+h8Ih/o9Nv+3c+aY/iPp4 uw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3e0qx98ptu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 04 Feb 2022 15:54:06 +0000 Received: from m0098417.ppops.net (m0098417.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 214Fjxe8018979; Fri, 4 Feb 2022 15:54:05 GMT Received: from ppma04ams.nl.ibm.com (63.31.33a9.ip4.static.sl-reverse.com [169.51.49.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 3e0qx98pt5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 04 Feb 2022 15:54:05 +0000 Received: from pps.filterd (ppma04ams.nl.ibm.com [127.0.0.1]) by ppma04ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 214FlUBJ024728; Fri, 4 Feb 2022 15:54:04 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma04ams.nl.ibm.com with ESMTP id 3e0r10eb1c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 04 Feb 2022 15:54:03 +0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 214Fs0ot44302750 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 4 Feb 2022 15:54:00 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A49D1AE059; Fri, 4 Feb 2022 15:54:00 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1AB70AE051; Fri, 4 Feb 2022 15:54:00 +0000 (GMT) Received: from p-imbrenda.bredband2.com (unknown [9.145.8.50]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 4 Feb 2022 15:54:00 +0000 (GMT) From: Claudio Imbrenda To: kvm@vger.kernel.org Cc: borntraeger@de.ibm.com, frankja@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, david@redhat.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, scgl@linux.ibm.com Subject: [PATCH v7 16/17] KVM: s390: pv: add KVM_CAP_S390_PROT_REBOOT_ASYNC Date: Fri, 4 Feb 2022 16:53:48 +0100 Message-Id: <20220204155349.63238-17-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220204155349.63238-1-imbrenda@linux.ibm.com> References: <20220204155349.63238-1-imbrenda@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: QZheY_Vjv1-owI75Kq87B9kzSaad6bVz X-Proofpoint-ORIG-GUID: cnDUwsmnlE8CZpAEEds4mNz2yse04JI_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-04_07,2022-02-03_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 lowpriorityscore=0 mlxscore=0 adultscore=0 phishscore=0 malwarescore=0 impostorscore=0 spamscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=944 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202040088 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Add KVM_CAP_S390_PROT_REBOOT_ASYNC to signal that the KVM_PV_ASYNC_DISABLE and KVM_PV_ASYNC_DISABLE_PREPARE commands for the KVM_S390_PV_COMMAND ioctl are available. Signed-off-by: Claudio Imbrenda --- arch/s390/kvm/kvm-s390.c | 3 +++ include/uapi/linux/kvm.h | 1 + 2 files changed, 4 insertions(+) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index f7952cef1309..1e696202a569 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -608,6 +608,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_S390_BPB: r = test_facility(82); break; + case KVM_CAP_S390_PROT_REBOOT_ASYNC: + r = lazy_destroy && is_prot_virt_host(); + break; case KVM_CAP_S390_PROTECTED: r = is_prot_virt_host(); break; diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 7f574c87a6ba..c41c108f6b14 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -1134,6 +1134,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_VM_GPA_BITS 207 #define KVM_CAP_XSAVE2 208 #define KVM_CAP_SYS_ATTRIBUTES 209 +#define KVM_CAP_S390_PROT_REBOOT_ASYNC 215 #ifdef KVM_CAP_IRQ_ROUTING