diff options
-rw-r--r-- | kvm-all.c | 30 | ||||
-rw-r--r-- | kvm-stub.c | 10 | ||||
-rw-r--r-- | kvm.h | 3 |
3 files changed, 43 insertions, 0 deletions
@@ -1108,6 +1108,21 @@ int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg) return virq; } +static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int virq, bool assign) +{ + struct kvm_irqfd irqfd = { + .fd = fd, + .gsi = virq, + .flags = assign ? 0 : KVM_IRQFD_FLAG_DEASSIGN, + }; + + if (!kvm_irqchip_in_kernel()) { + return -ENOSYS; + } + + return kvm_vm_ioctl(s, KVM_IRQFD, &irqfd); +} + #else /* !KVM_CAP_IRQ_ROUTING */ static void kvm_init_irq_routing(KVMState *s) @@ -1123,8 +1138,23 @@ int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg) { abort(); } + +static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int virq, bool assign) +{ + abort(); +} #endif /* !KVM_CAP_IRQ_ROUTING */ +int kvm_irqchip_add_irqfd(KVMState *s, int fd, int virq) +{ + return kvm_irqchip_assign_irqfd(s, fd, virq, true); +} + +int kvm_irqchip_remove_irqfd(KVMState *s, int fd, int virq) +{ + return kvm_irqchip_assign_irqfd(s, fd, virq, false); +} + static int kvm_irqchip_create(KVMState *s) { QemuOptsList *list = qemu_find_opts("machine"); @@ -140,3 +140,13 @@ int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg) void kvm_irqchip_release_virq(KVMState *s, int virq) { } + +int kvm_irqchip_add_irqfd(KVMState *s, int fd, int virq) +{ + return -ENOSYS; +} + +int kvm_irqchip_remove_irqfd(KVMState *s, int fd, int virq) +{ + return -ENOSYS; +} @@ -215,4 +215,7 @@ int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign); int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg); void kvm_irqchip_release_virq(KVMState *s, int virq); + +int kvm_irqchip_add_irqfd(KVMState *s, int fd, int virq); +int kvm_irqchip_remove_irqfd(KVMState *s, int fd, int virq); #endif |