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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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EB69C2D0E4 for ; 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Tue, 24 Nov 2020 11:00:21 +0000 (GMT) From: Ravi Bangoria To: mpe@ellerman.id.au, paulus@samba.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 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: christophe.leroy@c-s.fr, ravi.bangoria@linux.ibm.com, mikey@neuling.org, kvm@vger.kernel.org, leobras.c@gmail.com, jniethe5@gmail.com, linux-kernel@vger.kernel.org, npiggin@gmail.com, kvm-ppc@vger.kernel.org, pbonzini@redhat.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ravi Bangoria Date: Tue, 24 Nov 2020 11:11:53 +0000 Subject: [PATCH v2 4/4] KVM: PPC: Introduce new capability for 2nd DAWR Message-Id: <20201124105953.39325-5-ravi.bangoria@linux.ibm.com> List-Id: References: <20201124105953.39325-1-ravi.bangoria@linux.ibm.com> In-Reply-To: <20201124105953.39325-1-ravi.bangoria@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 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