Signed-off-by: Cam Macdonell <c...@cs.ualberta.ca>
---
kvm-all.c | 32 ++++++++++++++++++++++++++++++++
kvm.h | 1 +
2 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index 47f58a6..2982631 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1257,6 +1257,38 @@ int kvm_set_signal_mask(CPUState *env, const sigset_t
*sigset)
return r;
}
+int kvm_set_ioeventfd_mmio_long(int fd, uint32_t addr, uint32_t val, bool
assign)
+{
+#ifdef KVM_IOEVENTFD
+ int ret;
+ struct kvm_ioeventfd iofd;
+
+ iofd.datamatch = val;
+ iofd.addr = addr;
+ iofd.len = 4;
+ iofd.flags = KVM_IOEVENTFD_FLAG_DATAMATCH;
+ iofd.fd = fd;
+
+ if (!kvm_enabled()) {
+ return -ENOSYS;
+ }
+
+ if (!assign) {
+ iofd.flags |= KVM_IOEVENTFD_FLAG_DEASSIGN;
+ }
+
+ ret = kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &iofd);
+
+ if (ret < 0) {
+ return -errno;
+ }
+
+ return 0;
+#else
+ return -ENOSYS;
+#endif
+}
+
int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool
assign)
{
#ifdef KVM_IOEVENTFD
diff --git a/kvm.h b/kvm.h
index aab5118..52e3a7f 100644
--- a/kvm.h
+++ b/kvm.h
@@ -181,6 +181,7 @@ static inline void cpu_synchronize_post_init(CPUState *env)
}
#endif
+int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool
assign);
#if defined(KVM_IRQFD) && defined(CONFIG_KVM)
int kvm_set_irqfd(int gsi, int fd, bool assigned);
--
1.6.6.1
