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

2018-08-16 Thread Ján Tomko

On Mon, Aug 13, 2018 at 06:00:15PM +0200, Peter Krempa wrote:

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

Signed-off-by: Peter Krempa 
---
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(-)



Reviewed-by: Ján Tomko 

Jano


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

2018-08-13 Thread Peter Krempa
Add handling of the 'id' field in the event which corresponds to the
QDEV id of the device.

Signed-off-by: Peter Krempa 
---
 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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