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[Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event
From: |
Luiz Capitulino |
Subject: |
[Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event |
Date: |
Wed, 15 Feb 2012 16:42:27 -0200 |
It's emitted whenever the tray is moved by the guest or by HMP/QMP
commands.
Signed-off-by: Luiz Capitulino <address@hidden>
---
QMP/qmp-events.txt | 17 +++++++++++++++++
block.c | 24 ++++++++++++++++++++++++
monitor.c | 3 +++
monitor.h | 1 +
4 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/QMP/qmp-events.txt b/QMP/qmp-events.txt
index 06cb404..c52e7fe 100644
--- a/QMP/qmp-events.txt
+++ b/QMP/qmp-events.txt
@@ -26,6 +26,23 @@ Example:
Note: If action is "stop", a STOP event will eventually follow the
BLOCK_IO_ERROR event.
+BLOCK_MEDIUM_EJECT
+------------------
+
+It's emitted whenever the tray is moved by the guest or by HMP/QMP
+commands.
+
+Data:
+
+- "device": device name (json-string)
+- "ejected": true if the tray has been opened or false if it has been closed
+
+{ "event": "BLOCK_MEDIUM_EJECT",
+ "data": { "device": "ide1-cd0",
+ "ejected": true
+ },
+ "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
+
RESET
-----
diff --git a/block.c b/block.c
index 47f1823..e5e2a5f 100644
--- a/block.c
+++ b/block.c
@@ -970,10 +970,30 @@ void bdrv_emit_qmp_error_event(const BlockDriverState
*bdrv,
qobject_decref(data);
}
+static void bdrv_emit_qmp_eject_event(BlockDriverState *bs, bool ejected)
+{
+ QObject *data;
+
+ data = qobject_from_jsonf("{ 'device': %s, 'ejected': %i }",
+ bdrv_get_device_name(bs), ejected);
+ monitor_protocol_event(QEVENT_BLOCK_MEDIUM_EJECT, data);
+
+ qobject_decref(data);
+}
+
static void bdrv_dev_change_media_cb(BlockDriverState *bs, bool load)
{
if (bs->dev_ops && bs->dev_ops->change_media_cb) {
+ bool tray_was_closed = !bdrv_dev_is_tray_open(bs);
bs->dev_ops->change_media_cb(bs->dev_opaque, load);
+ if (tray_was_closed) {
+ /* tray open */
+ bdrv_emit_qmp_eject_event(bs, true);
+ }
+ if (load) {
+ /* tray close */
+ bdrv_emit_qmp_eject_event(bs, false);
+ }
}
}
@@ -3567,6 +3587,10 @@ void bdrv_eject(BlockDriverState *bs, bool eject_flag,
bool tray_changed)
if (drv && drv->bdrv_eject) {
drv->bdrv_eject(bs, eject_flag);
}
+
+ if (tray_changed) {
+ bdrv_emit_qmp_eject_event(bs, eject_flag);
+ }
}
/**
diff --git a/monitor.c b/monitor.c
index aadbdcb..1758f03 100644
--- a/monitor.c
+++ b/monitor.c
@@ -485,6 +485,9 @@ void monitor_protocol_event(MonitorEvent event, QObject
*data)
case QEVENT_BLOCK_JOB_CANCELLED:
event_name = "BLOCK_JOB_CANCELLED";
break;
+ case QEVENT_BLOCK_MEDIUM_EJECT:
+ event_name = "BLOCK_MEDIUM_EJECT";
+ break;
default:
abort();
break;
diff --git a/monitor.h b/monitor.h
index b72ea07..a2555e5 100644
--- a/monitor.h
+++ b/monitor.h
@@ -38,6 +38,7 @@ typedef enum MonitorEvent {
QEVENT_SPICE_DISCONNECTED,
QEVENT_BLOCK_JOB_COMPLETED,
QEVENT_BLOCK_JOB_CANCELLED,
+ QEVENT_BLOCK_MEDIUM_EJECT,
QEVENT_MAX,
} MonitorEvent;
--
1.7.9.111.gf3fb0.dirty
- [Qemu-devel] [PATCH v2 0/4]: QMP: add BLOCK_MEDIUM_EJECT event, Luiz Capitulino, 2012/02/15
- [Qemu-devel] [PATCH 2/4] block: bdrv_eject(): Make eject_flag a real bool, Luiz Capitulino, 2012/02/15
- [Qemu-devel] [PATCH 1/4] block: Rename bdrv_mon_event() & BlockMonEventAction, Luiz Capitulino, 2012/02/15
- [Qemu-devel] [PATCH 3/4] block: bdrv_eject(): Add tray_changed parameter, Luiz Capitulino, 2012/02/15
- [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event,
Luiz Capitulino <=
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Markus Armbruster, 2012/02/16
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Luiz Capitulino, 2012/02/16
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Luiz Capitulino, 2012/02/16
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Kevin Wolf, 2012/02/16
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Luiz Capitulino, 2012/02/16
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Paolo Bonzini, 2012/02/17
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Kevin Wolf, 2012/02/17
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Markus Armbruster, 2012/02/17
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Kevin Wolf, 2012/02/17
- Re: [Qemu-devel] [PATCH 4/4] qmp: add BLOCK_MEDIUM_EJECT event, Markus Armbruster, 2012/02/17