diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kvm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/kvm/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/kvm/irq.h | 19 | ||||
| -rw-r--r-- | arch/arm64/kvm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm64/kvm/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm64/kvm/inject_fault.c | 12 | ||||
| -rw-r--r-- | arch/arm64/kvm/irq.h | 19 | ||||
| -rw-r--r-- | arch/x86/kvm/irq.h | 3 |
8 files changed, 52 insertions, 7 deletions
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig index 95a000515e43..3e1cd0452d67 100644 --- a/arch/arm/kvm/Kconfig +++ b/arch/arm/kvm/Kconfig @@ -32,6 +32,8 @@ config KVM select KVM_VFIO select HAVE_KVM_EVENTFD select HAVE_KVM_IRQFD + select HAVE_KVM_IRQCHIP + select HAVE_KVM_IRQ_ROUTING depends on ARM_VIRT_EXT && ARM_LPAE && ARM_ARCH_TIMER ---help--- Support hosting virtualized guest machines. diff --git a/arch/arm/kvm/Makefile b/arch/arm/kvm/Makefile index 5e28df80dca7..10d77a66cad5 100644 --- a/arch/arm/kvm/Makefile +++ b/arch/arm/kvm/Makefile @@ -29,4 +29,5 @@ obj-y += $(KVM)/arm/vgic/vgic-v2.o obj-y += $(KVM)/arm/vgic/vgic-mmio.o obj-y += $(KVM)/arm/vgic/vgic-mmio-v2.o obj-y += $(KVM)/arm/vgic/vgic-kvm-device.o +obj-y += $(KVM)/irqchip.o obj-y += $(KVM)/arm/arch_timer.o diff --git a/arch/arm/kvm/irq.h b/arch/arm/kvm/irq.h new file mode 100644 index 000000000000..b74099b905fd --- /dev/null +++ b/arch/arm/kvm/irq.h @@ -0,0 +1,19 @@ +/* + * irq.h: in kernel interrupt controller related definitions + * Copyright (c) 2016 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This header is included by irqchip.c. However, on ARM, interrupt + * controller declarations are located in include/kvm/arm_vgic.h since + * they are mostly shared between arm and arm64. + */ + +#ifndef __IRQ_H +#define __IRQ_H + +#include <kvm/arm_vgic.h> + +#endif diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index 9d2eff0b3ad3..9c9edc98d271 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -37,6 +37,8 @@ config KVM select KVM_ARM_VGIC_V3 select KVM_ARM_PMU if HW_PERF_EVENTS select HAVE_KVM_MSI + select HAVE_KVM_IRQCHIP + select HAVE_KVM_IRQ_ROUTING ---help--- Support hosting virtualized guest machines. We don't support KVM with 16K page tables yet, due to the multiple diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile index a5b96642a9cb..695eb3c7ef41 100644 --- a/arch/arm64/kvm/Makefile +++ b/arch/arm64/kvm/Makefile @@ -30,5 +30,6 @@ kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-mmio-v2.o kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-mmio-v3.o kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-kvm-device.o kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-its.o +kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/irqchip.o kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/arch_timer.o kvm-$(CONFIG_KVM_ARM_PMU) += $(KVM)/arm/pmu.o diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c index e9e0e6db73f6..898c0e6aedd4 100644 --- a/arch/arm64/kvm/inject_fault.c +++ b/arch/arm64/kvm/inject_fault.c @@ -132,16 +132,14 @@ static u64 get_except_vector(struct kvm_vcpu *vcpu, enum exception_type type) static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr) { unsigned long cpsr = *vcpu_cpsr(vcpu); - bool is_aarch32; + bool is_aarch32 = vcpu_mode_is_32bit(vcpu); u32 esr = 0; - is_aarch32 = vcpu_mode_is_32bit(vcpu); - - *vcpu_spsr(vcpu) = cpsr; *vcpu_elr_el1(vcpu) = *vcpu_pc(vcpu); - *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync); + *vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64; + *vcpu_spsr(vcpu) = cpsr; vcpu_sys_reg(vcpu, FAR_EL1) = addr; @@ -172,11 +170,11 @@ static void inject_undef64(struct kvm_vcpu *vcpu) unsigned long cpsr = *vcpu_cpsr(vcpu); u32 esr = (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT); - *vcpu_spsr(vcpu) = cpsr; *vcpu_elr_el1(vcpu) = *vcpu_pc(vcpu); - *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync); + *vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64; + *vcpu_spsr(vcpu) = cpsr; /* * Build an unknown exception, depending on the instruction diff --git a/arch/arm64/kvm/irq.h b/arch/arm64/kvm/irq.h new file mode 100644 index 000000000000..b74099b905fd --- /dev/null +++ b/arch/arm64/kvm/irq.h @@ -0,0 +1,19 @@ +/* + * irq.h: in kernel interrupt controller related definitions + * Copyright (c) 2016 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This header is included by irqchip.c. However, on ARM, interrupt + * controller declarations are located in include/kvm/arm_vgic.h since + * they are mostly shared between arm and arm64. + */ + +#ifndef __IRQ_H +#define __IRQ_H + +#include <kvm/arm_vgic.h> + +#endif diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 61ebdc13a29a..035731eb3897 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -120,4 +120,7 @@ void __kvm_migrate_timers(struct kvm_vcpu *vcpu); int apic_has_pending_timer(struct kvm_vcpu *vcpu); +int kvm_setup_default_irq_routing(struct kvm *kvm); +int kvm_setup_empty_irq_routing(struct kvm *kvm); + #endif |