[libvirt] [PATCH v5 26/36] qemu_monitor: qemuMonitorGetCPUModelExpansion inputs and outputs CPUModelInfo
Chris Venteicher
cventeic at redhat.com
Mon Dec 3 05:10:20 UTC 2018
A Full CPUModelInfo structure with props is sent to QEMU for expansion.
virQEMUCapsProbeQMPHostCPU migratability logic partitioned into new function
for clarity.
Signed-off-by: Chris Venteicher <cventeic at redhat.com>
---
src/qemu/qemu_capabilities.c | 8 +++++---
src/qemu/qemu_monitor.c | 31 ++++++++++++++++++++++++++-----
src/qemu/qemu_monitor.h | 5 +++--
src/qemu/qemu_monitor_json.c | 16 +++++++++++-----
src/qemu/qemu_monitor_json.h | 6 +++---
tests/cputest.c | 11 ++++++++---
6 files changed, 56 insertions(+), 21 deletions(-)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index bd75f82e70..8c5ec4cc9a 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -2460,6 +2460,7 @@ virQEMUCapsProbeQMPHostCPU(virQEMUCapsPtr qemuCaps,
qemuMonitorPtr mon,
bool tcg)
{
+ qemuMonitorCPUModelInfoPtr input;
qemuMonitorCPUModelInfoPtr migratable = NULL;
qemuMonitorCPUModelInfoPtr nonMigratable = NULL;
qemuMonitorCPUModelInfoPtr augmented = NULL;
@@ -2493,7 +2494,8 @@ virQEMUCapsProbeQMPHostCPU(virQEMUCapsPtr qemuCaps,
else
type = QEMU_MONITOR_CPU_MODEL_EXPANSION_STATIC;
- if (qemuMonitorGetCPUModelExpansion(mon, type, model, true, &migratable) < 0)
+ if (!(input = qemuMonitorCPUModelInfoNew(model)) ||
+ qemuMonitorGetCPUModelExpansion(mon, type, true, input, &migratable) < 0)
goto cleanup;
if (!migratable) {
@@ -2502,8 +2504,7 @@ virQEMUCapsProbeQMPHostCPU(virQEMUCapsPtr qemuCaps,
}
/* Try to check migratability of each feature. */
- if (qemuMonitorGetCPUModelExpansion(mon, type, model, false,
- &nonMigratable) < 0)
+ if (qemuMonitorGetCPUModelExpansion(mon, type, false, input, &nonMigratable) < 0)
goto cleanup;
if (virQEMUCapsMigratablePropsDiff(migratable, nonMigratable, &augmented) < 0)
@@ -2513,6 +2514,7 @@ virQEMUCapsProbeQMPHostCPU(virQEMUCapsPtr qemuCaps,
ret = 0;
cleanup:
+ qemuMonitorCPUModelInfoFree(input);
qemuMonitorCPUModelInfoFree(migratable);
qemuMonitorCPUModelInfoFree(nonMigratable);
qemuMonitorCPUModelInfoFree(augmented);
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index ddf4d96799..bed6a2f90a 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -3653,20 +3653,41 @@ qemuMonitorCPUDefInfoFree(qemuMonitorCPUDefInfoPtr cpu)
}
+/**
+ * qemuMonitorGetCPUModelExpansion:
+ * @mon:
+ * @type: qemuMonitorCPUModelExpansionType
+ * @migratable: Prompt QEMU to include non-migratable props for X86 models if false
+ * @input: Input model
+ * @expansion: Expanded output model (or NULL if QEMU rejects model or request)
+ *
+ * Re-represent @input CPU props using a new CPUModelInfo constructed
+ * by naming a STATIC or DYNAMIC model cooresponding to a set of properties and
+ * a FULL or PARTIAL (only deltas from model) property list.
+ *
+ * if @type == QEMU_MONITOR_CPU_MODEL_EXPANSION_STATIC
+ * construct @expansion using STATIC model name and a PARTIAL (delta) property list
+ *
+ * if @type == QEMU_MONITOR_CPU_MODEL_EXPANSION_FULL
+ * construct @expansion using DYNAMIC model name and a FULL property list
+ *
+ * if @type == QEMU_MONITOR_CPU_MODEL_EXPANSION_STATIC_FULL
+ * construct @expansion using STATIC model name and a FULL property list
+ */
int
qemuMonitorGetCPUModelExpansion(qemuMonitorPtr mon,
qemuMonitorCPUModelExpansionType type,
- const char *model_name,
bool migratable,
- qemuMonitorCPUModelInfoPtr *model_info)
+ qemuMonitorCPUModelInfoPtr input,
+ qemuMonitorCPUModelInfoPtr *expansion
+ )
{
VIR_DEBUG("type=%d model_name=%s migratable=%d",
- type, model_name, migratable);
+ type, input->name, migratable);
QEMU_CHECK_MONITOR(mon);
- return qemuMonitorJSONGetCPUModelExpansion(mon, type, model_name,
- migratable, model_info);
+ return qemuMonitorJSONGetCPUModelExpansion(mon, type, migratable, input, expansion);
}
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index d0c54f60a9..78ad8ae428 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -1036,9 +1036,10 @@ typedef enum {
int qemuMonitorGetCPUModelExpansion(qemuMonitorPtr mon,
qemuMonitorCPUModelExpansionType type,
- const char *model_name,
bool migratable,
- qemuMonitorCPUModelInfoPtr *model_info);
+ qemuMonitorCPUModelInfoPtr input,
+ qemuMonitorCPUModelInfoPtr *expansion)
+ ATTRIBUTE_NONNULL(4) ATTRIBUTE_NONNULL(5);
void qemuMonitorCPUModelInfoFree(qemuMonitorCPUModelInfoPtr model_info);
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index abfa4155ee..96e9f0ea3c 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -5600,12 +5600,13 @@ qemuMonitorJSONBuildCPUModelInfoFromJSON(virJSONValuePtr cpu_model)
return ret;
}
+
int
qemuMonitorJSONGetCPUModelExpansion(qemuMonitorPtr mon,
qemuMonitorCPUModelExpansionType type,
- const char *model_name,
bool migratable,
- qemuMonitorCPUModelInfoPtr *model_info)
+ qemuMonitorCPUModelInfoPtr input,
+ qemuMonitorCPUModelInfoPtr *expansion)
{
int ret = -1;
virJSONValuePtr json_model_in = NULL;
@@ -5613,12 +5614,13 @@ qemuMonitorJSONGetCPUModelExpansion(qemuMonitorPtr mon,
virJSONValuePtr reply = NULL;
virJSONValuePtr data;
virJSONValuePtr cpu_model;
+ qemuMonitorCPUModelInfoPtr expanded_model = NULL;
qemuMonitorCPUModelInfoPtr model_in = NULL;
const char *typeStr = "";
- *model_info = NULL;
+ *expansion = NULL;
- if (!(model_in = qemuMonitorCPUModelInfoNew(model_name)))
+ if (!(model_in = qemuMonitorCPUModelInfoCopy(input)))
goto cleanup;
if (!migratable &&
@@ -5684,13 +5686,17 @@ qemuMonitorJSONGetCPUModelExpansion(qemuMonitorPtr mon,
goto retry;
}
- if (!(*model_info = qemuMonitorJSONBuildCPUModelInfoFromJSON(cpu_model)))
+ if (!(expanded_model = qemuMonitorJSONBuildCPUModelInfoFromJSON(cpu_model)))
goto cleanup;
+ VIR_STEAL_PTR(*expansion, expanded_model);
ret = 0;
cleanup:
+ VIR_FREE(expanded_model); /* Free structure but not reused contents */
qemuMonitorCPUModelInfoFree(model_in);
+ qemuMonitorCPUModelInfoFree(expanded_model);
+
virJSONValueFree(cmd);
virJSONValueFree(reply);
virJSONValueFree(json_model_in);
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index c3abd0ddf0..942dd85ee1 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -367,10 +367,10 @@ int qemuMonitorJSONGetCPUDefinitions(qemuMonitorPtr mon,
int qemuMonitorJSONGetCPUModelExpansion(qemuMonitorPtr mon,
qemuMonitorCPUModelExpansionType type,
- const char *model_name,
bool migratable,
- qemuMonitorCPUModelInfoPtr *model_info)
- ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(5);
+ qemuMonitorCPUModelInfoPtr input,
+ qemuMonitorCPUModelInfoPtr *expansion)
+ ATTRIBUTE_NONNULL(4) ATTRIBUTE_NONNULL(5);
int qemuMonitorJSONGetCommands(qemuMonitorPtr mon,
char ***commands)
diff --git a/tests/cputest.c b/tests/cputest.c
index 339119c63f..c438a8d09e 100644
--- a/tests/cputest.c
+++ b/tests/cputest.c
@@ -483,6 +483,7 @@ cpuTestMakeQEMUCaps(const struct data *data)
virQEMUCapsPtr qemuCaps = NULL;
qemuMonitorTestPtr testMon = NULL;
qemuMonitorCPUModelInfoPtr model = NULL;
+ qemuMonitorCPUModelInfoPtr expansion = NULL;
char *json = NULL;
if (virAsprintf(&json, "%s/cputestdata/%s-cpuid-%s.json",
@@ -492,9 +493,12 @@ cpuTestMakeQEMUCaps(const struct data *data)
if (!(testMon = qemuMonitorTestNewFromFile(json, driver.xmlopt, true)))
goto error;
+ if (!(model = qemuMonitorCPUModelInfoNew("host")))
+ goto cleanup;
+
if (qemuMonitorGetCPUModelExpansion(qemuMonitorTestGetMonitor(testMon),
QEMU_MONITOR_CPU_MODEL_EXPANSION_STATIC,
- "host", true, &model) < 0)
+ true, model, &expansion) < 0)
goto error;
if (!(qemuCaps = virQEMUCapsNew()))
@@ -506,8 +510,8 @@ cpuTestMakeQEMUCaps(const struct data *data)
virQEMUCapsSet(qemuCaps, QEMU_CAPS_QUERY_CPU_DEFINITIONS);
virQEMUCapsSetArch(qemuCaps, data->arch);
- virQEMUCapsSetCPUModelInfo(qemuCaps, VIR_DOMAIN_VIRT_KVM, model);
- model = NULL;
+ virQEMUCapsSetCPUModelInfo(qemuCaps, VIR_DOMAIN_VIRT_KVM, expansion);
+ expansion = NULL;
if (virQEMUCapsProbeQMPCPUDefinitions(qemuCaps,
qemuMonitorTestGetMonitor(testMon),
@@ -516,6 +520,7 @@ cpuTestMakeQEMUCaps(const struct data *data)
cleanup:
qemuMonitorCPUModelInfoFree(model);
+ qemuMonitorCPUModelInfoFree(expansion);
qemuMonitorTestFree(testMon);
VIR_FREE(json);
--
2.17.1
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