From mboxrd@z Thu Jan 1 00:00:00 1970 From: wei.guo.simon@gmail.com Subject: [PATCH v2 29/30] KVM: PPC: add KVM_SET_ONE_REG/KVM_GET_ONE_REG to async ioctl Date: Wed, 28 Feb 2018 01:52:37 +0800 Message-ID: <1519753958-11756-19-git-send-email-wei.guo.simon@gmail.com> References: <1519753958-11756-1-git-send-email-wei.guo.simon@gmail.com> Cc: Simon Guo , kvm-ppc@vger.kernel.org, kvm@vger.kernel.org To: linuxppc-dev@lists.ozlabs.org Return-path: In-Reply-To: <1519753958-11756-1-git-send-email-wei.guo.simon@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" List-Id: kvm.vger.kernel.org From: Simon Guo In both HV/PR KVM, the KVM_SET_ONE_REG/KVM_GET_ONE_REG ioctl should be able to perform without load vcpu. This patch adds KVM_SET_ONE_REG/KVM_GET_ONE_REG implementation to async ioctl function. Signed-off-by: Simon Guo --- arch/powerpc/kvm/powerpc.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 7987fa3..6afd004 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1619,6 +1619,19 @@ long kvm_arch_vcpu_async_ioctl(struct file *filp, return -EFAULT; return kvm_vcpu_ioctl_interrupt(vcpu, &irq); } + + if ((ioctl == KVM_SET_ONE_REG) || (ioctl == KVM_GET_ONE_REG)) { + struct kvm_one_reg reg; + + if (copy_from_user(®, argp, sizeof(reg))) + return -EFAULT; + + if (ioctl == KVM_SET_ONE_REG) + return kvm_vcpu_ioctl_set_one_reg(vcpu, ®); + else + return kvm_vcpu_ioctl_get_one_reg(vcpu, ®); + } + return -ENOIOCTLCMD; } -- 1.8.3.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x241.google.com (mail-pg0-x241.google.com [IPv6:2607:f8b0:400e:c05::241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3zrRNF6HkkzF1XC for ; Wed, 28 Feb 2018 05:01:49 +1100 (AEDT) Received: by mail-pg0-x241.google.com with SMTP id w17so7807955pgv.6 for ; Tue, 27 Feb 2018 10:01:49 -0800 (PST) From: wei.guo.simon@gmail.com To: linuxppc-dev@lists.ozlabs.org Cc: Paul Mackerras , kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, Simon Guo Subject: [PATCH v2 29/30] KVM: PPC: add KVM_SET_ONE_REG/KVM_GET_ONE_REG to async ioctl Date: Wed, 28 Feb 2018 01:52:37 +0800 Message-Id: <1519753958-11756-19-git-send-email-wei.guo.simon@gmail.com> In-Reply-To: <1519753958-11756-1-git-send-email-wei.guo.simon@gmail.com> References: <1519753958-11756-1-git-send-email-wei.guo.simon@gmail.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Simon Guo In both HV/PR KVM, the KVM_SET_ONE_REG/KVM_GET_ONE_REG ioctl should be able to perform without load vcpu. This patch adds KVM_SET_ONE_REG/KVM_GET_ONE_REG implementation to async ioctl function. Signed-off-by: Simon Guo --- arch/powerpc/kvm/powerpc.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 7987fa3..6afd004 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1619,6 +1619,19 @@ long kvm_arch_vcpu_async_ioctl(struct file *filp, return -EFAULT; return kvm_vcpu_ioctl_interrupt(vcpu, &irq); } + + if ((ioctl == KVM_SET_ONE_REG) || (ioctl == KVM_GET_ONE_REG)) { + struct kvm_one_reg reg; + + if (copy_from_user(®, argp, sizeof(reg))) + return -EFAULT; + + if (ioctl == KVM_SET_ONE_REG) + return kvm_vcpu_ioctl_set_one_reg(vcpu, ®); + else + return kvm_vcpu_ioctl_get_one_reg(vcpu, ®); + } + return -ENOIOCTLCMD; } -- 1.8.3.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: wei.guo.simon@gmail.com Date: Tue, 27 Feb 2018 17:52:37 +0000 Subject: [PATCH v2 29/30] KVM: PPC: add KVM_SET_ONE_REG/KVM_GET_ONE_REG to async ioctl Message-Id: <1519753958-11756-19-git-send-email-wei.guo.simon@gmail.com> List-Id: References: <1519753958-11756-1-git-send-email-wei.guo.simon@gmail.com> In-Reply-To: <1519753958-11756-1-git-send-email-wei.guo.simon@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linuxppc-dev@lists.ozlabs.org Cc: Simon Guo , kvm-ppc@vger.kernel.org, kvm@vger.kernel.org From: Simon Guo In both HV/PR KVM, the KVM_SET_ONE_REG/KVM_GET_ONE_REG ioctl should be able to perform without load vcpu. This patch adds KVM_SET_ONE_REG/KVM_GET_ONE_REG implementation to async ioctl function. Signed-off-by: Simon Guo --- arch/powerpc/kvm/powerpc.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 7987fa3..6afd004 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1619,6 +1619,19 @@ long kvm_arch_vcpu_async_ioctl(struct file *filp, return -EFAULT; return kvm_vcpu_ioctl_interrupt(vcpu, &irq); } + + if ((ioctl = KVM_SET_ONE_REG) || (ioctl = KVM_GET_ONE_REG)) { + struct kvm_one_reg reg; + + if (copy_from_user(®, argp, sizeof(reg))) + return -EFAULT; + + if (ioctl = KVM_SET_ONE_REG) + return kvm_vcpu_ioctl_set_one_reg(vcpu, ®); + else + return kvm_vcpu_ioctl_get_one_reg(vcpu, ®); + } + return -ENOIOCTLCMD; } -- 1.8.3.1