From: Michael S. Tsirkin <[email protected]> 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 <[email protected]> Signed-off-by: Marcelo Tosatti <[email protected]> diff --git a/kvm-all.c b/kvm-all.c index fb8d4b8..c0d27db 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1214,5 +1214,24 @@ int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign) } #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_enabled() || !kvm_irqchip_in_kernel()) + return -ENOSYS; + + r = kvm_vm_ioctl(kvm_state, KVM_IRQFD, &irqfd); + if (r < 0) + return r; + return 0; +} +#endif + #undef PAGE_SIZE #include "qemu-kvm.c" diff --git a/kvm.h b/kvm.h index c63e314..65a4ee2 100644 --- a/kvm.h +++ b/kvm.h @@ -183,5 +183,15 @@ int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign) } #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 #endif -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
