diff options
| -rw-r--r-- | block.c | 7 | ||||
| -rw-r--r-- | block/block-backend.c | 33 | ||||
| -rw-r--r-- | docs/qmp-commands.txt | 3 | ||||
| -rw-r--r-- | docs/qmp-events.txt | 6 | ||||
| -rw-r--r-- | qapi/block.json | 8 |
5 files changed, 46 insertions, 11 deletions
diff --git a/block.c b/block.c index 40eb570389..7f3e7bcdc3 100644 --- a/block.c +++ b/block.c @@ -3360,17 +3360,10 @@ int bdrv_media_changed(BlockDriverState *bs) void bdrv_eject(BlockDriverState *bs, bool eject_flag) { BlockDriver *drv = bs->drv; - const char *device_name; if (drv && drv->bdrv_eject) { drv->bdrv_eject(bs, eject_flag); } - - device_name = bdrv_get_device_name(bs); - if (device_name[0] != '\0') { - qapi_event_send_device_tray_moved(device_name, - eject_flag, &error_abort); - } } /** diff --git a/block/block-backend.c b/block/block-backend.c index d97afa1ef0..1a724a8d89 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -565,6 +565,23 @@ void *blk_get_attached_dev(BlockBackend *blk) return blk->dev; } +/* Return the qdev ID, or if no ID is assigned the QOM path, of the block + * device attached to the BlockBackend. */ +static char *blk_get_attached_dev_id(BlockBackend *blk) +{ + DeviceState *dev; + + assert(!blk->legacy_dev); + dev = blk->dev; + + if (!dev) { + return g_strdup(""); + } else if (dev->id) { + return g_strdup(dev->id); + } + return object_get_canonical_path(OBJECT(dev)); +} + /* * Return the BlockBackend which has the device model @dev attached if it * exists, else null. @@ -612,13 +629,17 @@ void blk_dev_change_media_cb(BlockBackend *blk, bool load) if (blk->dev_ops && blk->dev_ops->change_media_cb) { bool tray_was_open, tray_is_open; + assert(!blk->legacy_dev); + tray_was_open = blk_dev_is_tray_open(blk); blk->dev_ops->change_media_cb(blk->dev_opaque, load); tray_is_open = blk_dev_is_tray_open(blk); if (tray_was_open != tray_is_open) { - qapi_event_send_device_tray_moved(blk_name(blk), tray_is_open, + char *id = blk_get_attached_dev_id(blk); + qapi_event_send_device_tray_moved(blk_name(blk), id, tray_is_open, &error_abort); + g_free(id); } } } @@ -1316,9 +1337,19 @@ void blk_lock_medium(BlockBackend *blk, bool locked) void blk_eject(BlockBackend *blk, bool eject_flag) { BlockDriverState *bs = blk_bs(blk); + char *id; + + /* blk_eject is only called by qdevified devices */ + assert(!blk->legacy_dev); if (bs) { bdrv_eject(bs, eject_flag); + + id = blk_get_attached_dev_id(blk); + qapi_event_send_device_tray_moved(blk_name(blk), id, + eject_flag, &error_abort); + g_free(id); + } } diff --git a/docs/qmp-commands.txt b/docs/qmp-commands.txt index e0adcebc67..e044029ffc 100644 --- a/docs/qmp-commands.txt +++ b/docs/qmp-commands.txt @@ -3239,6 +3239,7 @@ Example: "microseconds": 716996 }, "event": "DEVICE_TRAY_MOVED", "data": { "device": "ide1-cd0", + "id": "ide0-1-0", "tray-open": true } } <- { "return": {} } @@ -3267,6 +3268,7 @@ Example: "microseconds": 272147 }, "event": "DEVICE_TRAY_MOVED", "data": { "device": "ide1-cd0", + "id": "ide0-1-0", "tray-open": false } } <- { "return": {} } @@ -3303,6 +3305,7 @@ Example: "microseconds": 549958 }, "event": "DEVICE_TRAY_MOVED", "data": { "device": "ide1-cd0", + "id": "ide0-1-0", "tray-open": true } } <- { "return": {} } diff --git a/docs/qmp-events.txt b/docs/qmp-events.txt index 62a9f9ca66..e0a2365c63 100644 --- a/docs/qmp-events.txt +++ b/docs/qmp-events.txt @@ -220,12 +220,16 @@ or by HMP/QMP commands. Data: -- "device": device name (json-string) +- "device": Block device name. This is always present for compatibility + reasons, but it can be empty ("") if the image does not have a + device name associated. (json-string) +- "id": The name or QOM path of the guest device (json-string) - "tray-open": true if the tray has been opened or false if it has been closed (json-bool) { "event": "DEVICE_TRAY_MOVED", "data": { "device": "ide1-cd0", + "id": "/machine/unattached/device[22]", "tray-open": true }, "timestamp": { "seconds": 1265044230, "microseconds": 450486 } } diff --git a/qapi/block.json b/qapi/block.json index c896bd1d3b..4661fc93c8 100644 --- a/qapi/block.json +++ b/qapi/block.json @@ -195,14 +195,18 @@ # Emitted whenever the tray of a removable device is moved by the guest or by # HMP/QMP commands # -# @device: device name +# @device: Block device name. This is always present for compatibility +# reasons, but it can be empty ("") if the image does not +# have a device name associated. +# +# @id: The name or QOM path of the guest device # # @tray-open: true if the tray has been opened or false if it has been closed # # Since: 1.1 ## { 'event': 'DEVICE_TRAY_MOVED', - 'data': { 'device': 'str', 'tray-open': 'bool' } } + 'data': { 'device': 'str', 'id': 'str', 'tray-open': 'bool' } } ## # @QuorumOpType |