Ensure the code behaves properly even for situations that were not
being considered before, such as simply detaching devices from the
host without attaching them to a guest and attaching devices as
managed even though they had already been manually detached from
the host.
---
tests/virhostdevtest.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 78 insertions(+), 6 deletions(-)
diff --git a/tests/virhostdevtest.c b/tests/virhostdevtest.c
index c0ab044..617e86c 100644
--- a/tests/virhostdevtest.c
+++ b/tests/virhostdevtest.c
@@ -253,7 +253,7 @@ testVirHostdevReAttachPCIHostdevs_unmanaged(void)
}
static int
-testVirHostdevPreparePCIHostdevs_managed(void)
+testVirHostdevPreparePCIHostdevs_managed(bool mixed)
{
int ret = -1;
size_t active_count, inactive_count, i;
@@ -270,7 +270,13 @@ testVirHostdevPreparePCIHostdevs_managed(void)
hostdevs, nhostdevs, 0) < 0)
goto cleanup;
CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count + nhostdevs);
- CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
+ /* If testing a mixed roundtrip, devices are already in the inactive list
+ * before we start and are removed from it as soon as we attach them to
+ * the guest */
+ if (mixed)
+ CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count - nhostdevs);
+ else
+ CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
/* Test conflict */
active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
@@ -304,7 +310,7 @@ testVirHostdevPreparePCIHostdevs_managed(void)
}
static int
-testVirHostdevReAttachPCIHostdevs_managed(void)
+testVirHostdevReAttachPCIHostdevs_managed(bool mixed)
{
int ret = -1;
size_t active_count, inactive_count, i;
@@ -328,7 +334,12 @@ testVirHostdevReAttachPCIHostdevs_managed(void)
virHostdevReAttachPCIDevices(mgr, drv_name, dom_name,
hostdevs, nhostdevs, NULL);
CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count - nhostdevs);
- CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
+ /* If testing a mixed roundtrip, devices are added back to the inactive
+ * list as soon as we detach from the guest */
+ if (mixed)
+ CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count + nhostdevs);
+ else
+ CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
ret = 0;
@@ -432,6 +443,31 @@ testVirHostdevUpdateActivePCIHostdevs(void)
}
/**
+ * testVirHostdevRoundtripNoGuest:
+ * @opaque: unused
+ *
+ * Perform a roundtrip without ever assigning devices to the guest.
+ *
+ * 1. Detach devices from the host
+ * 2. Reattach devices to the host
+ */
+static int
+testVirHostdevRoundtripNoGuest(const void *opaque ATTRIBUTE_UNUSED)
+{
+ int ret = -1;
+
+ if (testVirHostdevDetachPCINodeDevice() < 0)
+ goto out;
+ if (testVirHostdevReAttachPCINodeDevice() < 0)
+ goto out;
+
+ ret = 0;
+
+ out:
+ return ret;
+}
+
+/**
* testVirHostdevRoundtripUnmanaged:
* @opaque: unused
*
@@ -479,9 +515,9 @@ testVirHostdevRoundtripManaged(const void *opaque ATTRIBUTE_UNUSED)
int ret = -1;
if (virHostdevHostSupportsPassthroughKVM()) {
- if (testVirHostdevPreparePCIHostdevs_managed() < 0)
+ if (testVirHostdevPreparePCIHostdevs_managed(false) < 0)
goto out;
- if (testVirHostdevReAttachPCIHostdevs_managed() < 0)
+ if (testVirHostdevReAttachPCIHostdevs_managed(false) < 0)
goto out;
}
@@ -492,6 +528,40 @@ testVirHostdevRoundtripManaged(const void *opaque ATTRIBUTE_UNUSED)
}
/**
+ * testVirHostdevRoundtripMixed:
+ * @opaque: unused
+ *
+ * Perform a roundtrip with managed devices but manually detach the devices
+ * from the host first.
+ *
+ * 1. Detach devices from the host
+ * 2. Attach devices to the guest as managed
+ * 3. Detach devices from the guest as managed
+ * 4. Reattach devices to the host
+ */
+static int
+testVirHostdevRoundtripMixed(const void *opaque ATTRIBUTE_UNUSED)
+{
+ int ret = -1;
+
+ if (testVirHostdevDetachPCINodeDevice() < 0)
+ goto out;
+ if (virHostdevHostSupportsPassthroughKVM()) {
+ if (testVirHostdevPreparePCIHostdevs_managed(true) < 0)
+ goto out;
+ if (testVirHostdevReAttachPCIHostdevs_managed(true) < 0)
+ goto out;
+ }
+ if (testVirHostdevReAttachPCINodeDevice() < 0)
+ goto out;
+
+ ret = 0;
+
+ out:
+ return ret;
+}
+
+/**
* testVirHostdevOther:
* @opaque: unused
*
@@ -546,8 +616,10 @@ mymain(void)
if (myInit() < 0)
fprintf(stderr, "Init data structures failed.");
+ DO_TEST(testVirHostdevRoundtripNoGuest);
DO_TEST(testVirHostdevRoundtripUnmanaged);
DO_TEST(testVirHostdevRoundtripManaged);
+ DO_TEST(testVirHostdevRoundtripMixed);
DO_TEST(testVirHostdevOther);
myCleanup();
--
2.5.0