Test fast mmio by using zero size eventfd.
Signed-off-by: Jason Wang <jasow...@redhat.com>
---
hw/misc/pci-testdev.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/hw/misc/pci-testdev.c b/hw/misc/pci-testdev.c
index 26b9b86..7bf67ed 100644
--- a/hw/misc/pci-testdev.c
+++ b/hw/misc/pci-testdev.c
@@ -261,8 +261,12 @@ static void pci_testdev_realize(PCIDevice *pci_dev, Error
**errp)
memcpy(test->hdr->name, name, strlen(name) + 1);
g_free(name);
test->hdr->offset = cpu_to_le32(IOTEST_SIZE(i) + i *
IOTEST_ACCESS_WIDTH);
- test->size = IOTEST_ACCESS_WIDTH;
test->match_data = strcmp(IOTEST_TEST(i), "wildcard-eventfd");
+ if (!test->match_data && !strcmp(IOTEST_TYPE(i), "mmio")) {
+ test->size = 0;
+ } else {
+ test->size = IOTEST_ACCESS_WIDTH;
+ }
test->hdr->test = i;
test->hdr->data = test->match_data ? IOTEST_DATAMATCH : IOTEST_NOMATCH;
test->hdr->width = IOTEST_ACCESS_WIDTH;
--
2.1.4
