From patchwork Wed Jun 5 13:07:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shivaprasad G Bhat X-Patchwork-Id: 1943843 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=MtLs25xQ; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VvSVn56JGz20WK for ; Wed, 5 Jun 2024 23:10:09 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=MtLs25xQ; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4VvSVn0DJTz3cRB for ; Wed, 5 Jun 2024 23:10:09 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=MtLs25xQ; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=sbhat@linux.ibm.com; receiver=lists.ozlabs.org) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4VvSS33wTJz3bv8 for ; Wed, 5 Jun 2024 23:07:47 +1000 (AEST) Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 455CqBtM020138; Wed, 5 Jun 2024 13:07:38 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc : content-transfer-encoding : content-type : date : from : in-reply-to : message-id : mime-version : references : subject : to; s=pp1; bh=Og7hgkUMK5aGoTYz1mgIVVup+Jp3jE3tNxDdWnrvsZ8=; b=MtLs25xQv1+T5FhrUKG1QAtXkgOnFZ4noWqYSWOYD3wWERx1s0msoaG5ieJCsBNf8Cz+ lYYTrqYVeePcsv1JGjE0weIc36Bfn1pVeEv78UHDFvitkTW9VzokNoO4W4ZzAr227Wgh etJ8LZsyfJ2vmGoWks9Pg17ZkKy6wyleFmagPjQvjQPns6cl8IZ3DikbSMZ5PS98+kR8 gUtqmhVxTDlWFjgEvQiqpZrGnVIvx36M1vh1CWLDtK4RlzPIhYsNFM3mnLtHy76IASl5 8AilFcsnclRPGwLO2F6GWOxq9F777069a6YmDNezM5QKmTjWbaBd+T2H1Xe88ymX4f/V 3Q== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3yjrda81y4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Jun 2024 13:07:38 +0000 Received: from m0353729.ppops.net (m0353729.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 455D7biI015061; Wed, 5 Jun 2024 13:07:37 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3yjrda81xu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Jun 2024 13:07:37 +0000 Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 4559keKW026899; Wed, 5 Jun 2024 13:07:36 GMT Received: from smtprelay03.fra02v.mail.ibm.com ([9.218.2.224]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3ygffn440w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Jun 2024 13:07:35 +0000 Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay03.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 455D7UWM46137738 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 5 Jun 2024 13:07:32 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 406372004B; Wed, 5 Jun 2024 13:07:30 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 503E72004E; Wed, 5 Jun 2024 13:07:28 +0000 (GMT) Received: from [172.17.0.2] (unknown [9.3.101.175]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 5 Jun 2024 13:07:28 +0000 (GMT) Subject: [PATCH v2 6/8] KVM: PPC: Book3S HV nestedv2: Keep nested guest HASHKEYR in sync From: Shivaprasad G Bhat To: kvm@vger.kernel.org, linux-doc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Wed, 05 Jun 2024 13:07:27 +0000 Message-ID: <171759284380.1480.15665015792935543933.stgit@linux.ibm.com> In-Reply-To: <171759276071.1480.9356137231993600304.stgit@linux.ibm.com> References: <171759276071.1480.9356137231993600304.stgit@linux.ibm.com> User-Agent: StGit/1.5 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: NiS5zZF4TJNzBxO5jFG0fFBcTsmJWnM1 X-Proofpoint-GUID: jQ7PGeKoWEb3bR3rWL_2Zgk7ECyTxpDE X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-05_02,2024-06-05_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 priorityscore=1501 mlxscore=0 mlxlogscore=899 impostorscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2406050099 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: atrajeev@linux.vnet.ibm.com, sbhat@linux.ibm.com, corbet@lwn.net, linux-kernel@vger.kernel.org, npiggin@gmail.com, namhyung@kernel.org, naveen.n.rao@linux.ibm.com, pbonzini@redhat.com, jniethe5@gmail.com Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The nestedv2 APIs has the guest state element defined for HASHKEYR for the save-restore with L0. However, its ignored in the code. The patch takes care of this for the HASHKEYR GSID. Signed-off-by: Shivaprasad G Bhat Reviewed-by: Nicholas Piggin --- arch/powerpc/kvm/book3s_hv_nestedv2.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/kvm/book3s_hv_nestedv2.c b/arch/powerpc/kvm/book3s_hv_nestedv2.c index d207a6d936ff..bbff933f2ccc 100644 --- a/arch/powerpc/kvm/book3s_hv_nestedv2.c +++ b/arch/powerpc/kvm/book3s_hv_nestedv2.c @@ -196,6 +196,9 @@ static int gs_msg_ops_vcpu_fill_info(struct kvmppc_gs_buff *gsb, case KVMPPC_GSID_DEXCR: rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.dexcr); break; + case KVMPPC_GSID_HASHKEYR: + rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.hashkeyr); + break; case KVMPPC_GSID_CIABR: rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.ciabr); break; @@ -447,6 +450,9 @@ static int gs_msg_ops_vcpu_refresh_info(struct kvmppc_gs_msg *gsm, case KVMPPC_GSID_DEXCR: vcpu->arch.dexcr = kvmppc_gse_get_u64(gse); break; + case KVMPPC_GSID_HASHKEYR: + vcpu->arch.hashkeyr = kvmppc_gse_get_u64(gse); + break; case KVMPPC_GSID_CIABR: vcpu->arch.ciabr = kvmppc_gse_get_u64(gse); break;