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authorLaurent Vivier <lvivier@redhat.com>2022-08-11 08:24:39 -0400
committerMichael S. Tsirkin <mst@redhat.com>2022-10-09 16:38:45 -0400
commita5ebce385763447d2ab7cb572914713eedea764a (patch)
tree2af86e60ab5a04cd8841f34d6e369f004871bdd2 /tests
parent20ca47429e96df84e7b2e741f740bfce8a813fb2 (diff)
downloadfocaccia-qemu-a5ebce385763447d2ab7cb572914713eedea764a.tar.gz
focaccia-qemu-a5ebce385763447d2ab7cb572914713eedea764a.zip
qmp: add QMP command x-query-virtio
This new command lists all the instances of VirtIODevices with
their canonical QOM path and name.

[Jonah: @virtio_list duplicates information that already exists in
 the QOM composition tree. However, extracting necessary information
 from this tree seems to be a bit convoluted.

 Instead, we still create our own list of realized virtio devices
 but use @qmp_qom_get with the device's canonical QOM path to confirm
 that the device exists and is realized. If the device exists but
 is actually not realized, then we remove it from our list (for
 synchronicity to the QOM composition tree).

 Also, the QMP command @x-query-virtio is redundant as @qom-list
 and @qom-get are sufficient to search '/machine/' for realized
 virtio devices. However, @x-query-virtio is much more convenient
 in listing realized virtio devices.]

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <1660220684-24909-2-git-send-email-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/qtest/qmp-cmd-test.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/qtest/qmp-cmd-test.c b/tests/qtest/qmp-cmd-test.c
index af00712458..897e4e937b 100644
--- a/tests/qtest/qmp-cmd-test.c
+++ b/tests/qtest/qmp-cmd-test.c
@@ -103,6 +103,7 @@ static bool query_is_ignored(const char *cmd)
         "query-gic-capabilities", /* arm */
         /* Success depends on target-specific build configuration: */
         "query-pci",              /* CONFIG_PCI */
+        "x-query-virtio",         /* CONFIG_VIRTIO */
         /* Success depends on launching SEV guest */
         "query-sev-launch-measure",
         /* Success depends on Host or Hypervisor SEV support */