Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030540AbaLLP0K (ORCPT ); Fri, 12 Dec 2014 10:26:10 -0500 Received: from mga02.intel.com ([134.134.136.20]:15465 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030503AbaLLPZr (ORCPT ); Fri, 12 Dec 2014 10:25:47 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,564,1413270000"; d="scan'208";a="622807414" From: Feng Wu To: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, gleb@kernel.org, pbonzini@redhat.com, dwmw2@infradead.org, joro@8bytes.org, alex.williamson@redhat.com, jiang.liu@linux.intel.com Cc: eric.auger@linaro.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, kvm@vger.kernel.org, Feng Wu Subject: [v3 15/26] KVM: add interfaces to control PI outside vmx Date: Fri, 12 Dec 2014 23:14:49 +0800 Message-Id: <1418397300-10870-16-git-send-email-feng.wu@intel.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1418397300-10870-1-git-send-email-feng.wu@intel.com> References: <1418397300-10870-1-git-send-email-feng.wu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds pi_clear_sn and pi_set_sn to struct kvm_x86_ops, so we can set/clear SN outside vmx. Signed-off-by: Feng Wu --- arch/x86/include/asm/kvm_host.h | 3 +++ arch/x86/kvm/vmx.c | 13 +++++++++++++ 2 files changed, 16 insertions(+) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 9b45b78..cd4b174 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -773,6 +773,9 @@ struct kvm_x86_ops { void (*sched_in)(struct kvm_vcpu *kvm, int cpu); u64 (*get_pi_desc_addr)(struct kvm_vcpu *vcpu); + + void (*pi_clear_sn)(struct kvm_vcpu *vcpu); + void (*pi_set_sn)(struct kvm_vcpu *vcpu); }; struct kvm_arch_async_pf { diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 81f239b..ee3b735 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -567,6 +567,16 @@ struct pi_desc *vcpu_to_pi_desc(struct kvm_vcpu *vcpu) return &(to_vmx(vcpu)->pi_desc); } +static void vmx_pi_clear_sn(struct kvm_vcpu *vcpu) +{ + pi_clear_sn(vcpu_to_pi_desc(vcpu)); +} + +static void vmx_pi_set_sn(struct kvm_vcpu *vcpu) +{ + pi_set_sn(vcpu_to_pi_desc(vcpu)); +} + #define VMCS12_OFFSET(x) offsetof(struct vmcs12, x) #define FIELD(number, name) [number] = VMCS12_OFFSET(name) #define FIELD64(number, name) [number] = VMCS12_OFFSET(name), \ @@ -9256,6 +9266,9 @@ static struct kvm_x86_ops vmx_x86_ops = { .sched_in = vmx_sched_in, .get_pi_desc_addr = vmx_get_pi_desc_addr, + + .pi_clear_sn = vmx_pi_clear_sn, + .pi_set_sn = vmx_pi_set_sn, }; static int __init vmx_init(void) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/