Add API to assign/deassign irqfd to kvm. Add stub so that users do not have to use ifdefs. Signed-off-by: Michael S. Tsirkin --- kvm-all.c | 19 +++++++++++++++++++ kvm.h | 10 ++++++++++ 2 files changed, 29 insertions(+), 0 deletions(-) diff --git a/kvm-all.c b/kvm-all.c index efdf40c..b3fdf29 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1122,4 +1122,23 @@ int kvm_set_ioeventfd(uint16_t addr, uint16_t data, int fd, bool assigned) } #endif +#if defined(KVM_IRQFD) +int kvm_set_irqfd(int gsi, int fd, bool assigned) +{ + struct kvm_irqfd irqfd = { + .fd = fd, + .gsi = gsi, + .flags = assigned ? 0 : KVM_IRQFD_FLAG_DEASSIGN, + }; + int r; + if (!kvm_irqchip_in_kernel()) + return -ENOSYS; + + r = kvm_vm_ioctl(kvm_state, KVM_IRQFD, &irqfd); + if (r < 0) + return r; + return 0; +} +#endif + #include "qemu-kvm.c" diff --git a/kvm.h b/kvm.h index e98b5c8..ad8d122 100644 --- a/kvm.h +++ b/kvm.h @@ -167,4 +167,14 @@ int kvm_set_ioeventfd(uint16_t data, uint16_t addr, int fd, bool assigned) } #endif +#if defined(KVM_IRQFD) && defined(CONFIG_KVM) +int kvm_set_irqfd(int gsi, int fd, bool assigned); +#else +static inline +int kvm_set_irqfd(int gsi, int fd, bool assigned) +{ + return -ENOSYS; +} +#endif + #endif -- 1.6.6.144.g5c3af