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[libvirt] [PATCHv2 41/62] qemu: monitor: Handle TRAY_MOVED event correctly with -blockdev



Add handling of the 'id' field in the event which corresponds to the
QDEV id of the device.

Signed-off-by: Peter Krempa <pkrempa redhat com>
---
 src/qemu/qemu_monitor.c      |  3 ++-
 src/qemu/qemu_monitor.h      |  2 ++
 src/qemu/qemu_monitor_json.c | 11 ++++++++---
 src/qemu/qemu_process.c      |  3 ++-
 4 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 4dcbd69dce..cdfcbcea0b 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -1460,13 +1460,14 @@ qemuMonitorEmitGraphics(qemuMonitorPtr mon,
 int
 qemuMonitorEmitTrayChange(qemuMonitorPtr mon,
                           const char *devAlias,
+                          const char *devid,
                           int reason)
 {
     int ret = -1;
     VIR_DEBUG("mon=%p", mon);

     QEMU_MONITOR_CALLBACK(mon, ret, domainTrayChange, mon->vm,
-                          devAlias, reason);
+                          devAlias, devid, reason);

     return ret;
 }
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index f8f6969ddb..1c66459e69 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -181,6 +181,7 @@ typedef int (*qemuMonitorDomainBlockJobCallback)(qemuMonitorPtr mon,
 typedef int (*qemuMonitorDomainTrayChangeCallback)(qemuMonitorPtr mon,
                                                    virDomainObjPtr vm,
                                                    const char *devAlias,
+                                                   const char *devid,
                                                    int reason,
                                                    void *opaque);
 typedef int (*qemuMonitorDomainPMWakeupCallback)(qemuMonitorPtr mon,
@@ -397,6 +398,7 @@ int qemuMonitorEmitGraphics(qemuMonitorPtr mon,
                             const char *saslUsername);
 int qemuMonitorEmitTrayChange(qemuMonitorPtr mon,
                               const char *devAlias,
+                              const char *devid,
                               int reason);
 int qemuMonitorEmitPMWakeup(qemuMonitorPtr mon);
 int qemuMonitorEmitPMSuspend(qemuMonitorPtr mon);
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index de3fcd83d8..537cdfd19a 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -1031,11 +1031,16 @@ static void
 qemuMonitorJSONHandleTrayChange(qemuMonitorPtr mon,
                                 virJSONValuePtr data)
 {
-    const char *devAlias = NULL;
+    const char *devAlias = virJSONValueObjectGetString(data, "device");
+    const char *devid = virJSONValueObjectGetString(data, "id");
     bool trayOpened;
     int reason;

-    if ((devAlias = virJSONValueObjectGetString(data, "device")) == NULL) {
+    /* drive alias is always reported but empty for -blockdev */
+    if (*devAlias == '\0')
+        devAlias = NULL;
+
+    if (!devAlias && !devid) {
         VIR_WARN("missing device in tray change event");
         return;
     }
@@ -1050,7 +1055,7 @@ qemuMonitorJSONHandleTrayChange(qemuMonitorPtr mon,
     else
         reason = VIR_DOMAIN_EVENT_TRAY_CHANGE_CLOSE;

-    qemuMonitorEmitTrayChange(mon, devAlias, reason);
+    qemuMonitorEmitTrayChange(mon, devAlias, devid, reason);
 }

 static void
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index b713afa3a2..40e2589b37 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -1061,6 +1061,7 @@ static int
 qemuProcessHandleTrayChange(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
                             virDomainObjPtr vm,
                             const char *devAlias,
+                            const char *devid,
                             int reason,
                             void *opaque)
 {
@@ -1070,7 +1071,7 @@ qemuProcessHandleTrayChange(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
     virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);

     virObjectLock(vm);
-    disk = qemuProcessFindDomainDiskByAliasOrQOM(vm, devAlias, NULL);
+    disk = qemuProcessFindDomainDiskByAliasOrQOM(vm, devAlias, devid);

     if (disk) {
         event = virDomainEventTrayChangeNewFromObj(vm, disk->info.alias, reason);
-- 
2.16.2


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