diff options
Diffstat (limited to 'include/sysemu/kvm.h')
| -rw-r--r-- | include/sysemu/kvm.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index a5bec96fb0..a783c78868 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -224,6 +224,11 @@ DECLARE_INSTANCE_CHECKER(KVMState, KVM_STATE, extern KVMState *kvm_state; typedef struct Notifier Notifier; +typedef struct KVMRouteChange { + KVMState *s; + int changes; +} KVMRouteChange; + /* external API */ bool kvm_has_free_slot(MachineState *ms); @@ -481,7 +486,7 @@ void kvm_init_cpu_signals(CPUState *cpu); /** * kvm_irqchip_add_msi_route - Add MSI route for specific vector - * @s: KVM state + * @c: KVMRouteChange instance. * @vector: which vector to add. This can be either MSI/MSIX * vector. The function will automatically detect whether * MSI/MSIX is enabled, and fetch corresponding MSI @@ -490,10 +495,24 @@ void kvm_init_cpu_signals(CPUState *cpu); * as @NULL, an empty MSI message will be inited. * @return: virq (>=0) when success, errno (<0) when failed. */ -int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev); +int kvm_irqchip_add_msi_route(KVMRouteChange *c, int vector, PCIDevice *dev); int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, PCIDevice *dev); void kvm_irqchip_commit_routes(KVMState *s); + +static inline KVMRouteChange kvm_irqchip_begin_route_changes(KVMState *s) +{ + return (KVMRouteChange) { .s = s, .changes = 0 }; +} + +static inline void kvm_irqchip_commit_route_changes(KVMRouteChange *c) +{ + if (c->changes) { + kvm_irqchip_commit_routes(c->s); + c->changes = 0; + } +} + void kvm_irqchip_release_virq(KVMState *s, int virq); int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter); |