From: Feng Wu <feng.wu@intel.com> 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 <feng.wu@intel.com> Subject: [PATCH v8 02/13] KVM: Add some helper functions for Posted-Interrupts Date: Wed, 16 Sep 2015 16:49:58 +0800 [thread overview] Message-ID: <1442393409-2623-3-git-send-email-feng.wu@intel.com> (raw) In-Reply-To: <1442393409-2623-1-git-send-email-feng.wu@intel.com> This patch adds some helper functions to manipulate the Posted-Interrupts Descriptor. Signed-off-by: Feng Wu <feng.wu@intel.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> --- arch/x86/kvm/vmx.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 271dd70..316f9bf 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -443,6 +443,8 @@ struct nested_vmx { }; #define POSTED_INTR_ON 0 +#define POSTED_INTR_SN 1 + /* Posted-Interrupt Descriptor */ struct pi_desc { u32 pir[8]; /* Posted interrupt requested */ @@ -483,6 +485,30 @@ static int pi_test_and_set_pir(int vector, struct pi_desc *pi_desc) return test_and_set_bit(vector, (unsigned long *)pi_desc->pir); } +static void pi_clear_sn(struct pi_desc *pi_desc) +{ + return clear_bit(POSTED_INTR_SN, + (unsigned long *)&pi_desc->control); +} + +static void pi_set_sn(struct pi_desc *pi_desc) +{ + return set_bit(POSTED_INTR_SN, + (unsigned long *)&pi_desc->control); +} + +static int pi_test_on(struct pi_desc *pi_desc) +{ + return test_bit(POSTED_INTR_ON, + (unsigned long *)&pi_desc->control); +} + +static int pi_test_sn(struct pi_desc *pi_desc) +{ + return test_bit(POSTED_INTR_SN, + (unsigned long *)&pi_desc->control); +} + struct vcpu_vmx { struct kvm_vcpu vcpu; unsigned long host_rsp; -- 2.1.0
WARNING: multiple messages have this Message-ID (diff)
From: Feng Wu <feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> To: pbonzini-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org, mtosatti-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Subject: [PATCH v8 02/13] KVM: Add some helper functions for Posted-Interrupts Date: Wed, 16 Sep 2015 16:49:58 +0800 [thread overview] Message-ID: <1442393409-2623-3-git-send-email-feng.wu@intel.com> (raw) In-Reply-To: <1442393409-2623-1-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> This patch adds some helper functions to manipulate the Posted-Interrupts Descriptor. Signed-off-by: Feng Wu <feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> Reviewed-by: Paolo Bonzini <pbonzini-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> --- arch/x86/kvm/vmx.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 271dd70..316f9bf 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -443,6 +443,8 @@ struct nested_vmx { }; #define POSTED_INTR_ON 0 +#define POSTED_INTR_SN 1 + /* Posted-Interrupt Descriptor */ struct pi_desc { u32 pir[8]; /* Posted interrupt requested */ @@ -483,6 +485,30 @@ static int pi_test_and_set_pir(int vector, struct pi_desc *pi_desc) return test_and_set_bit(vector, (unsigned long *)pi_desc->pir); } +static void pi_clear_sn(struct pi_desc *pi_desc) +{ + return clear_bit(POSTED_INTR_SN, + (unsigned long *)&pi_desc->control); +} + +static void pi_set_sn(struct pi_desc *pi_desc) +{ + return set_bit(POSTED_INTR_SN, + (unsigned long *)&pi_desc->control); +} + +static int pi_test_on(struct pi_desc *pi_desc) +{ + return test_bit(POSTED_INTR_ON, + (unsigned long *)&pi_desc->control); +} + +static int pi_test_sn(struct pi_desc *pi_desc) +{ + return test_bit(POSTED_INTR_SN, + (unsigned long *)&pi_desc->control); +} + struct vcpu_vmx { struct kvm_vcpu vcpu; unsigned long host_rsp; -- 2.1.0
next prev parent reply other threads:[~2015-09-16 9:04 UTC|newest] Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-09-16 8:49 [PATCH v8 00/13] Add VT-d Posted-Interrupts support Feng Wu 2015-09-16 8:49 ` Feng Wu 2015-09-16 8:49 ` [PATCH v8 01/13] KVM: Extend struct pi_desc for VT-d Posted-Interrupts Feng Wu 2015-09-16 8:49 ` Feng Wu 2015-09-16 8:49 ` Feng Wu [this message] 2015-09-16 8:49 ` [PATCH v8 02/13] KVM: Add some helper functions for Posted-Interrupts Feng Wu 2015-09-16 8:49 ` [PATCH v8 03/13] KVM: Define a new interface kvm_intr_is_single_vcpu() Feng Wu 2015-09-16 8:49 ` Feng Wu 2015-09-16 9:23 ` Paolo Bonzini 2015-09-16 9:23 ` Paolo Bonzini 2015-09-17 3:17 ` Wu, Feng 2015-09-17 3:17 ` Wu, Feng 2015-09-17 9:42 ` Paolo Bonzini 2015-09-17 13:36 ` Wu, Feng 2015-09-17 13:36 ` Wu, Feng 2015-09-17 14:24 ` Paolo Bonzini 2015-09-17 14:24 ` Paolo Bonzini 2015-09-17 15:58 ` Radim Krčmář 2015-09-17 16:00 ` Paolo Bonzini 2015-09-17 16:00 ` Paolo Bonzini 2015-09-17 23:18 ` Wu, Feng 2015-09-17 23:18 ` Wu, Feng 2015-09-18 16:16 ` Radim Krčmář 2015-09-18 16:16 ` Radim Krčmář 2015-09-18 16:17 ` Paolo Bonzini 2015-09-18 16:17 ` Paolo Bonzini 2015-09-17 23:15 ` Wu, Feng 2015-09-17 23:15 ` Wu, Feng 2015-09-16 8:50 ` [PATCH v8 04/13] KVM: Make struct kvm_irq_routing_table accessible Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 8:50 ` [PATCH v8 05/13] KVM: make kvm_set_msi_irq() public Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 8:50 ` [PATCH v8 06/13] vfio: Register/unregister irq_bypass_producer Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 8:50 ` [PATCH v8 07/13] KVM: x86: Update IRTE for posted-interrupts Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 8:50 ` [PATCH v8 08/13] KVM: Implement IRQ bypass consumer callbacks for x86 Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 8:50 ` [PATCH v8 09/13] KVM: Add an arch specific hooks in 'struct kvm_kernel_irqfd' Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 9:27 ` Paolo Bonzini 2015-09-16 9:27 ` Paolo Bonzini 2015-09-17 1:51 ` Wu, Feng 2015-09-17 1:51 ` Wu, Feng 2015-09-17 9:38 ` Paolo Bonzini 2015-09-17 9:38 ` Paolo Bonzini 2015-09-16 8:50 ` [PATCH v8 10/13] KVM: Update Posted-Interrupts Descriptor when vCPU is preempted Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 9:29 ` Paolo Bonzini 2015-09-16 9:29 ` Paolo Bonzini 2015-09-16 8:50 ` [PATCH v8 11/13] KVM: Update Posted-Interrupts Descriptor when vCPU is blocked Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 9:32 ` Paolo Bonzini 2015-09-16 9:32 ` Paolo Bonzini 2015-09-16 8:50 ` [PATCH v8 12/13] KVM: Warn if 'SN' is set during posting interrupts by software Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 9:32 ` Paolo Bonzini 2015-09-16 9:32 ` Paolo Bonzini 2015-09-16 8:50 ` [PATCH v8 13/13] iommu/vt-d: Add a command line parameter for VT-d posted-interrupts Feng Wu 2015-09-16 8:50 ` Feng Wu 2015-09-16 9:34 ` [PATCH v8 00/13] Add VT-d Posted-Interrupts support Paolo Bonzini 2015-09-16 9:34 ` Paolo Bonzini
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