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authorMichael S. Tsirkin <mst@redhat.com>2012-03-20 14:31:38 +0200
committerMarcelo Tosatti <mtosatti@redhat.com>2012-04-12 19:01:41 -0300
commit4b8f1c88e9de2ded754b12a967a93d395bed1245 (patch)
tree1d868d3e0c6027c70b60771b29f50988c0ad1c52 /hw/ivshmem.c
parent56b9ead234439317629054fa370c547c652ab09a (diff)
downloadqemu-arm-4b8f1c88e9de2ded754b12a967a93d395bed1245.tar.gz
kvm: allow arbitrarily sized mmio ioeventfd
We use a 2 byte ioeventfd for virtio memory, add support for this. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Amos Kong <akong@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'hw/ivshmem.c')
-rw-r--r--hw/ivshmem.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/ivshmem.c b/hw/ivshmem.c
index b80aa8f1de..df4f50a092 100644
--- a/hw/ivshmem.c
+++ b/hw/ivshmem.c
@@ -354,8 +354,8 @@ static void close_guest_eventfds(IVShmemState *s, int posn)
guest_curr_max = s->peers[posn].nb_eventfds;
for (i = 0; i < guest_curr_max; i++) {
- kvm_set_ioeventfd_mmio_long(s->peers[posn].eventfds[i],
- s->mmio_addr + DOORBELL, (posn << 16) | i, 0);
+ kvm_set_ioeventfd_mmio(s->peers[posn].eventfds[i],
+ s->mmio_addr + DOORBELL, (posn << 16) | i, 0, 4);
close(s->peers[posn].eventfds[i]);
}
@@ -500,8 +500,8 @@ static void ivshmem_read(void *opaque, const uint8_t * buf, int flags)
}
if (ivshmem_has_feature(s, IVSHMEM_IOEVENTFD)) {
- if (kvm_set_ioeventfd_mmio_long(incoming_fd, s->mmio_addr + DOORBELL,
- (incoming_posn << 16) | guest_max_eventfd, 1) < 0) {
+ if (kvm_set_ioeventfd_mmio(incoming_fd, s->mmio_addr + DOORBELL,
+ (incoming_posn << 16) | guest_max_eventfd, 1, 4) < 0) {
fprintf(stderr, "ivshmem: ioeventfd not available\n");
}
}