diff options
Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 6ce40dd6fe51..0b7d66422650 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -27,6 +27,8 @@ #include <linux/slab.h> #include <linux/file.h> #include <linux/module.h> +#include <linux/irqbypass.h> +#include <linux/kvm_irqfd.h> #include <asm/cputable.h> #include <asm/uaccess.h> #include <asm/kvm_ppc.h> @@ -739,6 +741,42 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) #endif } +/* + * irq_bypass_add_producer and irq_bypass_del_producer are only + * useful if the architecture supports PCI passthrough. + * irq_bypass_stop and irq_bypass_start are not needed and so + * kvm_ops are not defined for them. + */ +bool kvm_arch_has_irq_bypass(void) +{ + return ((kvmppc_hv_ops && kvmppc_hv_ops->irq_bypass_add_producer) || + (kvmppc_pr_ops && kvmppc_pr_ops->irq_bypass_add_producer)); +} + +int kvm_arch_irq_bypass_add_producer(struct irq_bypass_consumer *cons, + struct irq_bypass_producer *prod) +{ + struct kvm_kernel_irqfd *irqfd = + container_of(cons, struct kvm_kernel_irqfd, consumer); + struct kvm *kvm = irqfd->kvm; + + if (kvm->arch.kvm_ops->irq_bypass_add_producer) + return kvm->arch.kvm_ops->irq_bypass_add_producer(cons, prod); + + return 0; +} + +void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *cons, + struct irq_bypass_producer *prod) +{ + struct kvm_kernel_irqfd *irqfd = + container_of(cons, struct kvm_kernel_irqfd, consumer); + struct kvm *kvm = irqfd->kvm; + + if (kvm->arch.kvm_ops->irq_bypass_del_producer) + kvm->arch.kvm_ops->irq_bypass_del_producer(cons, prod); +} + static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu, struct kvm_run *run) { @@ -1167,6 +1205,19 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu, return r; } +bool kvm_arch_intc_initialized(struct kvm *kvm) +{ +#ifdef CONFIG_KVM_MPIC + if (kvm->arch.mpic) + return true; +#endif +#ifdef CONFIG_KVM_XICS + if (kvm->arch.xics) + return true; +#endif + return false; +} + int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state) { |