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 v9 05/18] KVM: introduce kvm_arch functions for IRQ bypass Date: Fri, 18 Sep 2015 22:29:43 +0800 [thread overview] Message-ID: <1442586596-5920-6-git-send-email-feng.wu@intel.com> (raw) In-Reply-To: <1442586596-5920-1-git-send-email-feng.wu@intel.com> From: Eric Auger <eric.auger@linaro.org> This patch introduces - kvm_arch_irq_bypass_add_producer - kvm_arch_irq_bypass_del_producer - kvm_arch_irq_bypass_stop - kvm_arch_irq_bypass_start They make possible to specialize the KVM IRQ bypass consumer in case CONFIG_KVM_HAVE_IRQ_BYPASS is set. Signed-off-by: Eric Auger <eric.auger@linaro.org> Signed-off-by: Feng Wu <feng.wu@intel.com> --- v4 -> v5: - remove static inline stub functions v2 -> v3 (Feng Wu): - use 'kvm_arch_irq_bypass_start' instead of 'kvm_arch_irq_bypass_resume' - Remove 'kvm_arch_irq_bypass_update', which is not needed to be a irqbypass callback per Alex's comments. - Make kvm_arch_irq_bypass_add_producer return 'int' v1 -> v2: - use CONFIG_KVM_HAVE_IRQ_BYPASS instead CONFIG_IRQ_BYPASS_MANAGER - rename all functions according to Paolo's proposal - add kvm_arch_irq_bypass_update according to Feng's need include/linux/kvm_host.h | 10 ++++++++++ virt/kvm/Kconfig | 3 +++ 2 files changed, 13 insertions(+) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 05e99b8..5ac8d21 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -24,6 +24,7 @@ #include <linux/err.h> #include <linux/irqflags.h> #include <linux/context_tracking.h> +#include <linux/irqbypass.h> #include <asm/signal.h> #include <linux/kvm.h> @@ -1151,5 +1152,14 @@ static inline void kvm_vcpu_set_dy_eligible(struct kvm_vcpu *vcpu, bool val) { } #endif /* CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT */ + +#ifdef CONFIG_HAVE_KVM_IRQ_BYPASS +int kvm_arch_irq_bypass_add_producer(struct irq_bypass_consumer *, + struct irq_bypass_producer *); +void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *, + struct irq_bypass_producer *); +void kvm_arch_irq_bypass_stop(struct irq_bypass_consumer *); +void kvm_arch_irq_bypass_start(struct irq_bypass_consumer *); +#endif /* CONFIG_HAVE_KVM_IRQ_BYPASS */ #endif diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig index e2c876d..9f8014d 100644 --- a/virt/kvm/Kconfig +++ b/virt/kvm/Kconfig @@ -47,3 +47,6 @@ config KVM_GENERIC_DIRTYLOG_READ_PROTECT config KVM_COMPAT def_bool y depends on COMPAT && !S390 + +config HAVE_KVM_IRQ_BYPASS + bool -- 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 v9 05/18] KVM: introduce kvm_arch functions for IRQ bypass Date: Fri, 18 Sep 2015 22:29:43 +0800 [thread overview] Message-ID: <1442586596-5920-6-git-send-email-feng.wu@intel.com> (raw) In-Reply-To: <1442586596-5920-1-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> From: Eric Auger <eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> This patch introduces - kvm_arch_irq_bypass_add_producer - kvm_arch_irq_bypass_del_producer - kvm_arch_irq_bypass_stop - kvm_arch_irq_bypass_start They make possible to specialize the KVM IRQ bypass consumer in case CONFIG_KVM_HAVE_IRQ_BYPASS is set. Signed-off-by: Eric Auger <eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> Signed-off-by: Feng Wu <feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> --- v4 -> v5: - remove static inline stub functions v2 -> v3 (Feng Wu): - use 'kvm_arch_irq_bypass_start' instead of 'kvm_arch_irq_bypass_resume' - Remove 'kvm_arch_irq_bypass_update', which is not needed to be a irqbypass callback per Alex's comments. - Make kvm_arch_irq_bypass_add_producer return 'int' v1 -> v2: - use CONFIG_KVM_HAVE_IRQ_BYPASS instead CONFIG_IRQ_BYPASS_MANAGER - rename all functions according to Paolo's proposal - add kvm_arch_irq_bypass_update according to Feng's need include/linux/kvm_host.h | 10 ++++++++++ virt/kvm/Kconfig | 3 +++ 2 files changed, 13 insertions(+) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 05e99b8..5ac8d21 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -24,6 +24,7 @@ #include <linux/err.h> #include <linux/irqflags.h> #include <linux/context_tracking.h> +#include <linux/irqbypass.h> #include <asm/signal.h> #include <linux/kvm.h> @@ -1151,5 +1152,14 @@ static inline void kvm_vcpu_set_dy_eligible(struct kvm_vcpu *vcpu, bool val) { } #endif /* CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT */ + +#ifdef CONFIG_HAVE_KVM_IRQ_BYPASS +int kvm_arch_irq_bypass_add_producer(struct irq_bypass_consumer *, + struct irq_bypass_producer *); +void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *, + struct irq_bypass_producer *); +void kvm_arch_irq_bypass_stop(struct irq_bypass_consumer *); +void kvm_arch_irq_bypass_start(struct irq_bypass_consumer *); +#endif /* CONFIG_HAVE_KVM_IRQ_BYPASS */ #endif diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig index e2c876d..9f8014d 100644 --- a/virt/kvm/Kconfig +++ b/virt/kvm/Kconfig @@ -47,3 +47,6 @@ config KVM_GENERIC_DIRTYLOG_READ_PROTECT config KVM_COMPAT def_bool y depends on COMPAT && !S390 + +config HAVE_KVM_IRQ_BYPASS + bool -- 2.1.0
next prev parent reply other threads:[~2015-09-18 14:44 UTC|newest] Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-09-18 14:29 [PATCH v9 00/18] Add VT-d Posted-Interrupts support - including prerequisite series Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 01/18] virt: IRQ bypass manager Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 15:34 ` Wu, Feng 2015-09-18 15:34 ` Wu, Feng 2015-09-18 14:29 ` [PATCH v9 02/18] KVM: x86: select IRQ_BYPASS_MANAGER Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 03/18] KVM: arm/arm64: " Feng Wu 2015-09-21 19:32 ` Eric Auger 2015-09-18 14:29 ` [PATCH v9 04/18] KVM: create kvm_irqfd.h Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 15:35 ` Wu, Feng 2015-09-18 15:35 ` Wu, Feng 2015-09-18 14:29 ` Feng Wu [this message] 2015-09-18 14:29 ` [PATCH v9 05/18] KVM: introduce kvm_arch functions for IRQ bypass Feng Wu 2015-09-18 14:29 ` [PATCH v9 06/18] KVM: eventfd: add irq bypass consumer management Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 07/18] KVM: Extend struct pi_desc for VT-d Posted-Interrupts Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 08/18] KVM: Add some helper functions for Posted-Interrupts Feng Wu 2015-09-18 14:29 ` [PATCH v9 09/18] KVM: Define a new interface kvm_intr_is_single_vcpu() Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 10/18] KVM: Make struct kvm_irq_routing_table accessible Feng Wu 2015-09-18 14:29 ` [PATCH v9 11/18] KVM: make kvm_set_msi_irq() public Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 12/18] vfio: Register/unregister irq_bypass_producer Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 17:19 ` Alex Williamson 2015-09-18 17:19 ` Alex Williamson 2015-09-21 8:56 ` Wu, Feng 2015-09-21 8:56 ` Wu, Feng 2015-09-21 9:32 ` Paolo Bonzini 2015-09-21 9:32 ` Paolo Bonzini 2015-09-21 11:35 ` Wu, Feng 2015-09-21 11:35 ` Wu, Feng 2015-09-21 12:06 ` Paolo Bonzini 2015-09-21 12:06 ` Paolo Bonzini 2015-09-21 12:08 ` Wu, Feng 2015-09-21 12:08 ` Wu, Feng 2015-09-21 12:53 ` Wu, Feng 2015-09-21 12:53 ` Wu, Feng 2015-09-21 13:02 ` Paolo Bonzini 2015-09-21 19:46 ` Eric Auger 2015-09-21 19:46 ` Eric Auger 2016-04-26 20:08 ` Alex Williamson 2016-04-26 20:08 ` Alex Williamson 2016-04-27 1:32 ` Wu, Feng 2016-04-27 1:32 ` Wu, Feng 2016-04-28 16:40 ` Alex Williamson 2016-04-28 16:40 ` Alex Williamson 2016-04-28 15:35 ` Eric Auger 2016-04-28 15:35 ` Eric Auger 2015-09-18 14:29 ` [PATCH v9 13/18] KVM: x86: Update IRTE for posted-interrupts Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 14/18] KVM: Implement IRQ bypass consumer callbacks for x86 Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 15/18] KVM: Add an arch specific hooks in 'struct kvm_kernel_irqfd' Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 16/18] KVM: Update Posted-Interrupts Descriptor when vCPU is preempted Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 14:29 ` [PATCH v9 17/18] KVM: Update Posted-Interrupts Descriptor when vCPU is blocked Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-18 16:06 ` Paolo Bonzini 2015-09-18 16:06 ` Paolo Bonzini 2015-09-19 7:11 ` Wu, Feng 2015-09-19 7:11 ` Wu, Feng 2015-09-21 2:16 ` Wu, Feng 2015-09-21 5:32 ` Paolo Bonzini 2015-09-21 5:32 ` Paolo Bonzini 2015-09-21 5:45 ` Wu, Feng 2015-09-21 5:45 ` Wu, Feng 2015-10-14 23:41 ` David Matlack 2015-10-15 1:33 ` Wu, Feng 2015-10-15 1:33 ` Wu, Feng 2015-10-15 17:39 ` David Matlack 2015-10-15 18:13 ` Paolo Bonzini 2015-10-15 18:13 ` Paolo Bonzini 2015-10-16 1:45 ` Wu, Feng 2015-10-16 1:45 ` Wu, Feng 2015-09-18 14:29 ` [PATCH v9 18/18] iommu/vt-d: Add a command line parameter for VT-d posted-interrupts Feng Wu 2015-09-18 14:29 ` Feng Wu 2015-09-21 13:46 ` Joerg Roedel 2015-09-21 13:46 ` Joerg Roedel 2015-09-18 14:58 ` [PATCH v9 00/18] Add VT-d Posted-Interrupts support - including prerequisite series Paolo Bonzini 2015-09-18 14:58 ` Paolo Bonzini 2015-09-18 15:08 ` Wu, Feng 2015-09-18 15:08 ` Wu, Feng 2015-09-18 15:21 ` Paolo Bonzini 2015-09-18 15:21 ` Paolo Bonzini 2015-09-18 15:38 ` Wu, Feng 2015-09-18 17:57 ` Alex Williamson 2015-09-18 17:57 ` Alex Williamson 2015-09-25 1:49 ` Wu, Feng 2015-09-25 1:49 ` Wu, Feng 2015-09-25 11:14 ` Paolo Bonzini 2015-09-25 11:14 ` Paolo Bonzini 2015-09-28 10:14 ` Wu, Feng 2015-09-28 10:14 ` Wu, Feng 2015-09-28 10:18 ` Paolo Bonzini 2015-09-28 10:18 ` Paolo Bonzini 2015-09-28 10:22 ` Wu, Feng 2015-09-28 10:22 ` Wu, Feng
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