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[Qemu-devel] [PATCH] pci-testdev: add nodata test
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH] pci-testdev: add nodata test |
Date: |
Thu, 27 Aug 2015 13:30:50 +0300 |
Add nodata test where data length is ignored.
Skip it for port IO since kvm does not support it there.
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/misc/pci-testdev.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/hw/misc/pci-testdev.c b/hw/misc/pci-testdev.c
index 26b9b86..b6e11d6 100644
--- a/hw/misc/pci-testdev.c
+++ b/hw/misc/pci-testdev.c
@@ -45,6 +45,7 @@ typedef struct IOTest {
#define IOTEST_DATAMATCH 0xFA
#define IOTEST_NOMATCH 0xCE
+#define IOTEST_NODATA 0xAB
#define IOTEST_IOSIZE 128
#define IOTEST_MEMSIZE 2048
@@ -52,7 +53,8 @@ typedef struct IOTest {
static const char *iotest_test[] = {
"no-eventfd",
"wildcard-eventfd",
- "datamatch-eventfd"
+ "datamatch-eventfd",
+ "nodata-eventfd"
};
static const char *iotest_type[] = {
@@ -261,12 +263,19 @@ 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");
+ test->size = strcmp(IOTEST_TEST(i), "nodata-eventfd") ?
IOTEST_ACCESS_WIDTH : 0;
+
+ test->match_data = strcmp(IOTEST_TEST(i), "wildcard-eventfd") &&
+ strcmp(IOTEST_TEST(i), "nodata-eventfd");
test->hdr->test = i;
test->hdr->data = test->match_data ? IOTEST_DATAMATCH : IOTEST_NOMATCH;
test->hdr->width = IOTEST_ACCESS_WIDTH;
test->mr = IOTEST_REGION(d, i);
+
+ if (!test->size && !IOTEST_IS_MEM(i)) {
+ test->hasnotifier = false;
+ continue;
+ }
if (!strcmp(IOTEST_TEST(i), "no-eventfd")) {
test->hasnotifier = false;
continue;
--
MST
- [Qemu-devel] [PATCH] pci-testdev: add nodata test,
Michael S. Tsirkin <=