Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755528AbbHYJD4 (ORCPT ); Tue, 25 Aug 2015 05:03:56 -0400 Received: from mga14.intel.com ([192.55.52.115]:49203 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754548AbbHYJDx (ORCPT ); Tue, 25 Aug 2015 05:03:53 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,744,1432623600"; d="scan'208";a="775152805" From: Feng Wu To: pbonzini@redhat.com, alex.williamson@redhat.com, joro@8bytes.org, mtosatti@redhat.com Cc: eric.auger@linaro.org, kvm@vger.kernel.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Feng Wu Subject: [PATCH v7 05/17] KVM: Add interfaces to control PI outside vmx Date: Tue, 25 Aug 2015 16:50:08 +0800 Message-Id: <1440492620-15934-6-git-send-email-feng.wu@intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1440492620-15934-1-git-send-email-feng.wu@intel.com> References: <1440492620-15934-1-git-send-email-feng.wu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1793 Lines: 62 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 d50c1d3..c4f99f1 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -860,6 +860,9 @@ struct kvm_x86_ops { gfn_t offset, unsigned long mask); 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); /* pmu operations of sub-arch */ const struct kvm_pmu_ops *pmu_ops; }; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 81a995c..234f720 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -615,6 +615,16 @@ 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)); +} + static unsigned long shadow_read_only_fields[] = { /* * We do NOT shadow fields that are modified when L0 @@ -10471,6 +10481,9 @@ static struct kvm_x86_ops vmx_x86_ops = { .get_pi_desc_addr = vmx_get_pi_desc_addr, + .pi_clear_sn = vmx_pi_clear_sn, + .pi_set_sn = vmx_pi_set_sn, + .pmu_ops = &intel_pmu_ops, }; -- 2.1.0 -- 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/