From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
Add a new qemuMonitorGetCPUDefinitions() method to support invocation
of the 'query-cpu-definitions' JSON monitor command. No HMP equivalent
is required, since this will only be present for QEMU >= 1.2
Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
---
src/qemu/qemu_monitor.c | 21 +++++++++++++
src/qemu/qemu_monitor.h | 4 +++
src/qemu/qemu_monitor_json.c | 75 ++++++++++++++++++++++++++++++++++++++++++++
src/qemu/qemu_monitor_json.h | 4 +++
tests/qemumonitorjsontest.c | 63 +++++++++++++++++++++++++++++++++++++
5 files changed, 167 insertions(+)
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 581fe41..45bb32e 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -3051,3 +3051,24 @@ void qemuMonitorMachineInfoFree(qemuMonitorMachineInfoPtr machine)
VIR_FREE(machine->alias);
VIR_FREE(machine);
}
+
+int qemuMonitorGetCPUDefinitions(qemuMonitorPtr mon,
+ char ***cpus)
+{
+ VIR_DEBUG("mon=%p cpus=%p",
+ mon, cpus);
+
+ if (!mon) {
+ virReportError(VIR_ERR_INVALID_ARG, "%s",
+ _("monitor must not be NULL"));
+ return -1;
+ }
+
+ if (!mon->json) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("JSON monitor is required"));
+ return -1;
+ }
+
+ return qemuMonitorJSONGetCPUDefinitions(mon, cpus);
+}
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 20ff742..fa192d4 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -591,6 +591,10 @@ int qemuMonitorGetMachines(qemuMonitorPtr mon,
void qemuMonitorMachineInfoFree(qemuMonitorMachineInfoPtr machine);
+int qemuMonitorGetCPUDefinitions(qemuMonitorPtr mon,
+ char ***cpus);
+
+
/**
* When running two dd process and using <> redirection, we need a
* shell that will not truncate files. These two strings serve that
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index b4ae893..876188d 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -3990,3 +3990,78 @@ cleanup:
virJSONValueFree(reply);
return ret;
}
+
+
+int qemuMonitorJSONGetCPUDefinitions(qemuMonitorPtr mon,
+ char ***cpus)
+{
+ int ret;
+ virJSONValuePtr cmd;
+ virJSONValuePtr reply = NULL;
+ virJSONValuePtr data;
+ char **cpulist = NULL;
+ int n = 0;
+ size_t i;
+
+ *cpus = NULL;
+
+ if (!(cmd = qemuMonitorJSONMakeCommand("query-cpu-definitions", NULL)))
+ return -1;
+
+ ret = qemuMonitorJSONCommand(mon, cmd, &reply);
+
+ if (ret == 0)
+ ret = qemuMonitorJSONCheckError(cmd, reply);
+
+ if (ret < 0)
+ goto cleanup;
+
+ ret = -1;
+
+ if (!(data = virJSONValueObjectGet(reply, "return"))) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("query-cpu-definitions reply was missing return data"));
+ goto cleanup;
+ }
+
+ if ((n = virJSONValueArraySize(data)) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("query-cpu-definitions reply data was not an array"));
+ goto cleanup;
+ }
+
+ if (VIR_ALLOC_N(cpulist, n) < 0) {
+ virReportOOMError();
+ goto cleanup;
+ }
+
+ for (i = 0 ; i < n ; i++) {
+ virJSONValuePtr child = virJSONValueArrayGet(data, i);
+ const char *tmp;
+
+ if (!(tmp = virJSONValueObjectGetString(child, "name"))) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("query-cpu-definitions reply data was missing 'name'"));
+ goto cleanup;
+ }
+
+ if (!(cpulist[i] = strdup(tmp))) {
+ virReportOOMError();
+ goto cleanup;
+ }
+ }
+
+ ret = n;
+ *cpus = cpulist;
+
+cleanup:
+ if (ret < 0 && cpulist) {
+ for (i = 0 ; i < n ; i++)
+ VIR_FREE(cpulist[i]);
+ VIR_FREE(cpulist);
+ }
+ virJSONValueFree(cmd);
+ virJSONValueFree(reply);
+ return ret;
+}
+
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index f71f11c..218cd02 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -291,4 +291,8 @@ int qemuMonitorJSONGetMachines(qemuMonitorPtr mon,
qemuMonitorMachineInfoPtr **machines)
ATTRIBUTE_NONNULL(2);
+int qemuMonitorJSONGetCPUDefinitions(qemuMonitorPtr mon,
+ char ***cpus)
+ ATTRIBUTE_NONNULL(2);
+
#endif /* QEMU_MONITOR_JSON_H */
diff --git a/tests/qemumonitorjsontest.c b/tests/qemumonitorjsontest.c
index ad095b1..1346441 100644
--- a/tests/qemumonitorjsontest.c
+++ b/tests/qemumonitorjsontest.c
@@ -290,6 +290,68 @@ testQemuMonitorJSONGetMachines(const void *data)
CHECK(1, "pc-1.1", false, null);
CHECK(2, "pc-1.2", true, "pc");
+#undef CHECK
+ ret = 0;
+
+cleanup:
+ qemuMonitorTestFree(test);
+ return ret;
+}
+
+
+static int
+testQemuMonitorJSONGetCPUDefinitions(const void *data)
+{
+ virCapsPtr caps = (virCapsPtr)data;
+ qemuMonitorTestPtr test = qemuMonitorTestNew(true, caps);
+ int ret = -1;
+ char **cpus = NULL;
+ int ncpus;
+
+ if (!test)
+ return -1;
+
+ if (qemuMonitorTestAddItem(test, "query-cpu-definitions",
+ "{ "
+ " \"return\": [ "
+ " { "
+ " \"name\": \"qemu64\" "
+ " }, "
+ " { "
+ " \"name\": \"Opteron_G4\" "
+ " }, "
+ " { "
+ " \"name\": \"Westmere\" "
+ " } "
+ " ]"
+ "}") < 0)
+ goto cleanup;
+
+ if ((ncpus = qemuMonitorGetCPUDefinitions(qemuMonitorTestGetMonitor(test),
+ &cpus)) < 0)
+ goto cleanup;
+
+ if (ncpus != 3) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "ncpus %d is not 3", ncpus);
+ goto cleanup;
+ }
+
+#define CHECK(i, wantname) \
+ do { \
+ if (STRNEQ(cpus[i], (wantname))) { \
+ virReportError(VIR_ERR_INTERNAL_ERROR, \
+ "name %s is not %s", \
+ cpus[i], (wantname)); \
+ goto cleanup; \
+ } \
+ } while (0)
+
+ CHECK(0, "qemu64");
+ CHECK(1, "Opteron_G4");
+ CHECK(2, "Westmere");
+
+#undef CHECK
ret = 0;
cleanup:
@@ -319,6 +381,7 @@ mymain(void)
DO_TEST(GetStatus);
DO_TEST(GetVersion);
DO_TEST(GetMachines);
+ DO_TEST(GetCPUDefinitions);
virCapabilitiesFree(caps);
--
1.7.11.4
--
libvir-list mailing list
libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list