No need to expose the fd-based interface, everyone will already be fine
with the more handy EventNotifier variant. Rename the latter to clarify
that we are still talking about irqfds here.

Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---

Alex, please update your vfio patch accordingly.

 hw/virtio-pci.c |    4 ++--
 kvm-all.c       |   18 ++++--------------
 kvm-stub.c      |   14 ++------------
 kvm.h           |    6 ++----
 4 files changed, 10 insertions(+), 32 deletions(-)

diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 5e6e09e..40ea7df 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -515,7 +515,7 @@ static int kvm_virtio_pci_vq_vector_use(VirtIOPCIProxy 
*proxy,
     }
     irqfd->users++;
 
-    ret = kvm_irqchip_add_irq_notifier(kvm_state, n, irqfd->virq);
+    ret = kvm_irqchip_add_irqfd_notifier(kvm_state, n, irqfd->virq);
     if (ret < 0) {
         if (--irqfd->users == 0) {
             kvm_irqchip_release_virq(kvm_state, irqfd->virq);
@@ -536,7 +536,7 @@ static void kvm_virtio_pci_vq_vector_release(VirtIOPCIProxy 
*proxy,
     VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector];
     int ret;
 
-    ret = kvm_irqchip_remove_irq_notifier(kvm_state, n, irqfd->virq);
+    ret = kvm_irqchip_remove_irqfd_notifier(kvm_state, n, irqfd->virq);
     assert(ret == 0);
 
     if (--irqfd->users == 0) {
diff --git a/kvm-all.c b/kvm-all.c
index 34b02c1..fb02354 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1162,24 +1162,14 @@ static int kvm_irqchip_assign_irqfd(KVMState *s, int 
fd, int virq, bool assign)
 }
 #endif /* !KVM_CAP_IRQ_ROUTING */
 
-int kvm_irqchip_add_irqfd(KVMState *s, int fd, int virq)
+int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
 {
-    return kvm_irqchip_assign_irqfd(s, fd, virq, true);
+    return kvm_irqchip_assign_irqfd(s, event_notifier_get_fd(n), virq, true);
 }
 
-int kvm_irqchip_add_irq_notifier(KVMState *s, EventNotifier *n, int virq)
+int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
 {
-    return kvm_irqchip_add_irqfd(s, event_notifier_get_fd(n), virq);
-}
-
-int kvm_irqchip_remove_irqfd(KVMState *s, int fd, int virq)
-{
-    return kvm_irqchip_assign_irqfd(s, fd, virq, false);
-}
-
-int kvm_irqchip_remove_irq_notifier(KVMState *s, EventNotifier *n, int virq)
-{
-    return kvm_irqchip_remove_irqfd(s, event_notifier_get_fd(n), virq);
+    return kvm_irqchip_assign_irqfd(s, event_notifier_get_fd(n), virq, false);
 }
 
 static int kvm_irqchip_create(KVMState *s)
diff --git a/kvm-stub.c b/kvm-stub.c
index 94c9ea1..3c52eb5 100644
--- a/kvm-stub.c
+++ b/kvm-stub.c
@@ -141,22 +141,12 @@ void kvm_irqchip_release_virq(KVMState *s, int virq)
 {
 }
 
-int kvm_irqchip_add_irqfd(KVMState *s, int fd, int virq)
+int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
 {
     return -ENOSYS;
 }
 
-int kvm_irqchip_add_irq_notifier(KVMState *s, EventNotifier *n, int virq)
-{
-    return -ENOSYS;
-}
-
-int kvm_irqchip_remove_irqfd(KVMState *s, int fd, int virq)
-{
-    return -ENOSYS;
-}
-
-int kvm_irqchip_remove_irq_notifier(KVMState *s, EventNotifier *n, int virq)
+int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
 {
     return -ENOSYS;
 }
diff --git a/kvm.h b/kvm.h
index 5b8f588..37d1f81 100644
--- a/kvm.h
+++ b/kvm.h
@@ -272,8 +272,6 @@ 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);
-int kvm_irqchip_add_irq_notifier(KVMState *s, EventNotifier *n, int virq);
-int kvm_irqchip_remove_irq_notifier(KVMState *s, EventNotifier *n, int virq);
+int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq);
+int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq);
 #endif
-- 
1.7.3.4

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