From mboxrd@z Thu Jan 1 00:00:00 1970 From: Feng Wu Subject: [PATCH v7 04/17] KVM: Get Posted-Interrupts descriptor address from 'struct kvm_vcpu' Date: Tue, 25 Aug 2015 16:50:07 +0800 Message-ID: <1440492620-15934-5-git-send-email-feng.wu@intel.com> References: <1440492620-15934-1-git-send-email-feng.wu@intel.com> Return-path: In-Reply-To: <1440492620-15934-1-git-send-email-feng.wu@intel.com> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: iommu@lists.linux-foundation.org Define an interface to get PI descriptor address from the vCPU structure. Signed-off-by: Feng Wu --- arch/x86/include/asm/kvm_host.h | 2 ++ arch/x86/kvm/vmx.c | 11 +++++++++++ 2 files changed, 13 insertions(+) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index af11bca..d50c1d3 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -858,6 +858,8 @@ struct kvm_x86_ops { void (*enable_log_dirty_pt_masked)(struct kvm *kvm, struct kvm_memory_slot *slot, gfn_t offset, unsigned long mask); + + u64 (*get_pi_desc_addr)(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 316f9bf..81a995c 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -610,6 +610,10 @@ static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu) #define FIELD64(number, name) [number] = VMCS12_OFFSET(name), \ [number##_HIGH] = VMCS12_OFFSET(name)+4 +struct pi_desc *vcpu_to_pi_desc(struct kvm_vcpu *vcpu) +{ + return &(to_vmx(vcpu)->pi_desc); +} static unsigned long shadow_read_only_fields[] = { /* @@ -4487,6 +4491,11 @@ static void vmx_sync_pir_to_irr_dummy(struct kvm_vcpu *vcpu) return; } +static u64 vmx_get_pi_desc_addr(struct kvm_vcpu *vcpu) +{ + return __pa((u64)vcpu_to_pi_desc(vcpu)); +} + /* * Set up the vmcs's constant host-state fields, i.e., host-state fields that * will not change in the lifetime of the guest. @@ -10460,6 +10469,8 @@ static struct kvm_x86_ops vmx_x86_ops = { .flush_log_dirty = vmx_flush_log_dirty, .enable_log_dirty_pt_masked = vmx_enable_log_dirty_pt_masked, + .get_pi_desc_addr = vmx_get_pi_desc_addr, + .pmu_ops = &intel_pmu_ops, }; -- 2.1.0