diff options
| -rw-r--r-- | hw/intc/openpic_kvm.c | 1 | ||||
| -rw-r--r-- | hw/intc/xics_kvm.c | 1 | ||||
| -rw-r--r-- | include/sysemu/kvm.h | 10 | ||||
| -rw-r--r-- | kvm-all.c | 7 | ||||
| -rw-r--r-- | target-i386/kvm.c | 1 | ||||
| -rw-r--r-- | target-s390x/kvm.c | 1 |
6 files changed, 17 insertions, 4 deletions
diff --git a/hw/intc/openpic_kvm.c b/hw/intc/openpic_kvm.c index 3e2cd189ff..f7cac585a9 100644 --- a/hw/intc/openpic_kvm.c +++ b/hw/intc/openpic_kvm.c @@ -248,7 +248,6 @@ static void kvm_openpic_realize(DeviceState *dev, Error **errp) kvm_irqchip_add_irq_route(kvm_state, i, 0, i); } - kvm_irqfds_allowed = true; kvm_msi_via_irqfd_allowed = true; kvm_gsi_routing_allowed = true; diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c index 20b19e9d4f..c15453f26f 100644 --- a/hw/intc/xics_kvm.c +++ b/hw/intc/xics_kvm.c @@ -448,7 +448,6 @@ static void xics_kvm_realize(DeviceState *dev, Error **errp) } kvm_kernel_irqchip = true; - kvm_irqfds_allowed = true; kvm_msi_via_irqfd_allowed = true; kvm_gsi_direct_mapping = true; diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 22e42ef236..104cf3535e 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -45,6 +45,7 @@ extern bool kvm_async_interrupts_allowed; extern bool kvm_halt_in_kernel_allowed; extern bool kvm_eventfds_allowed; extern bool kvm_irqfds_allowed; +extern bool kvm_resamplefds_allowed; extern bool kvm_msi_via_irqfd_allowed; extern bool kvm_gsi_routing_allowed; extern bool kvm_gsi_direct_mapping; @@ -102,6 +103,15 @@ extern bool kvm_readonly_mem_allowed; #define kvm_irqfds_enabled() (kvm_irqfds_allowed) /** + * kvm_resamplefds_enabled: + * + * Returns: true if we can use resamplefds to inject interrupts into + * a KVM CPU (ie the kernel supports resamplefds and we are running + * with a configuration where it is meaningful to use them). + */ +#define kvm_resamplefds_enabled() (kvm_resamplefds_allowed) + +/** * kvm_msi_via_irqfd_enabled: * * Returns: true if we can route a PCI MSI (Message Signaled Interrupt) @@ -120,6 +120,7 @@ bool kvm_async_interrupts_allowed; bool kvm_halt_in_kernel_allowed; bool kvm_eventfds_allowed; bool kvm_irqfds_allowed; +bool kvm_resamplefds_allowed; bool kvm_msi_via_irqfd_allowed; bool kvm_gsi_routing_allowed; bool kvm_gsi_direct_mapping; @@ -1584,6 +1585,12 @@ static int kvm_init(MachineState *ms) kvm_eventfds_allowed = (kvm_check_extension(s, KVM_CAP_IOEVENTFD) > 0); + kvm_irqfds_allowed = + (kvm_check_extension(s, KVM_CAP_IRQFD) > 0); + + kvm_resamplefds_allowed = + (kvm_check_extension(s, KVM_CAP_IRQFD_RESAMPLE) > 0); + ret = kvm_arch_init(s); if (ret < 0) { goto err; diff --git a/target-i386/kvm.c b/target-i386/kvm.c index ccf36e8719..3a3dfc4795 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -2563,7 +2563,6 @@ void kvm_arch_init_irq_routing(KVMState *s) * irqchip, so we can use irqfds, and on x86 we know * we can use msi via irqfd and GSI routing. */ - kvm_irqfds_allowed = true; kvm_msi_via_irqfd_allowed = true; kvm_gsi_routing_allowed = true; } diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 50709ba6b5..1b79c4de75 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -1294,7 +1294,6 @@ void kvm_arch_init_irq_routing(KVMState *s) * have to override the common code kvm_halt_in_kernel_allowed setting. */ if (kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) { - kvm_irqfds_allowed = true; kvm_gsi_routing_allowed = true; kvm_halt_in_kernel_allowed = false; } |