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[23.128.96.18]) by mx.google.com with ESMTP id u19si7799702ejf.121.2020.11.24.03.05.40; Tue, 24 Nov 2020 03:06:04 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b="brYKCB/3"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732457AbgKXLCD (ORCPT + 99 others); Tue, 24 Nov 2020 06:02:03 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:19932 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732447AbgKXLCD (ORCPT ); Tue, 24 Nov 2020 06:02:03 -0500 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AOAW7IA179620; Tue, 24 Nov 2020 06:01:47 -0500 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=lVsos4lno+eB5udRSRAS82PyJA/Ru4W3MJVpinWqJn4=; b=brYKCB/3idy/CnIJVkj/VwKMTjEg7xIRCEhbBsd6fSRwFF+PmUkFf8WZqhrvOKIWJNyW IrwVp3iXJsCH8MuJi2Up2k0VHQbRS1EeIiEqmYrA3igbXZVRIfWtvCuABFrEVf4Wj2eC +kf0g9bsF8Xa28+5gWu7dZkQaM9Q+CQmE4xH1GRVhEK5jvbQLmspaiU1mBO29D/FRmDT sD/j6kM8GI9l21Q/2xk6hXKc6hYGNe4f7he+Mnn/vHvu73BZVGaL/2rs4s0lPKhqnK0c 1982OiuU+xgZQsxAMic+NM5Yo62IIj5MysVd359k1Z07+7x0AKM3kB7cdYUGGIq6zxRg Jg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 350rb0ysr4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 24 Nov 2020 06:01:46 -0500 Received: from m0098399.ppops.net (m0098399.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 0AOB0aCR093282; Tue, 24 Nov 2020 06:01:46 -0500 Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0a-001b2d01.pphosted.com with ESMTP id 350rb0ysmu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 24 Nov 2020 06:01:46 -0500 Received: from pps.filterd (ppma02fra.de.ibm.com [127.0.0.1]) by ppma02fra.de.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0AOAr6Iw017837; Tue, 24 Nov 2020 11:01:41 GMT Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by ppma02fra.de.ibm.com with ESMTP id 350cvrs0tk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 24 Nov 2020 11:01:41 +0000 Received: from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0AOB0O4B852534 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 24 Nov 2020 11:00:24 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4E1D942061; Tue, 24 Nov 2020 11:00:24 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7AACD4205C; Tue, 24 Nov 2020 11:00:21 +0000 (GMT) Received: from bangoria.ibmuc.com (unknown [9.199.32.189]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 24 Nov 2020 11:00:21 +0000 (GMT) From: Ravi Bangoria To: mpe@ellerman.id.au, paulus@samba.org Cc: ravi.bangoria@linux.ibm.com, mikey@neuling.org, npiggin@gmail.com, leobras.c@gmail.com, pbonzini@redhat.com, christophe.leroy@c-s.fr, jniethe5@gmail.com, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v2 4/4] KVM: PPC: Introduce new capability for 2nd DAWR Date: Tue, 24 Nov 2020 16:29:53 +0530 Message-Id: <20201124105953.39325-5-ravi.bangoria@linux.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201124105953.39325-1-ravi.bangoria@linux.ibm.com> References: <20201124105953.39325-1-ravi.bangoria@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-24_04:2020-11-24,2020-11-23 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 mlxscore=0 priorityscore=1501 adultscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 mlxlogscore=920 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011240061 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Introduce KVM_CAP_PPC_DAWR1 which can be used by Qemu to query whether kvm supports 2nd DAWR or not. Signed-off-by: Ravi Bangoria --- arch/powerpc/kvm/powerpc.c | 3 +++ include/uapi/linux/kvm.h | 1 + 2 files changed, 4 insertions(+) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 13999123b735..48763fe59fc5 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -679,6 +679,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) !kvmppc_hv_ops->enable_svm(NULL); break; #endif + case KVM_CAP_PPC_DAWR1: + r = cpu_has_feature(CPU_FTR_DAWR1); + break; default: r = 0; break; diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index f6d86033c4fa..0f32d6cbabc2 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -1035,6 +1035,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_LAST_CPU 184 #define KVM_CAP_SMALLER_MAXPHYADDR 185 #define KVM_CAP_S390_DIAG318 186 +#define KVM_CAP_PPC_DAWR1 187 #ifdef KVM_CAP_IRQ_ROUTING -- 2.26.2