diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2017-07-11 13:27:38 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2017-07-18 15:14:35 +0200 |
| commit | 46eade7be83c110659ea9a6883fbd898d455ec06 (patch) | |
| tree | c5f8fc27e2eaf478743d3f1a4ee1607c1e63eb03 | |
| parent | 77beef8365ef797c95e49d87f07ed5d60d583594 (diff) | |
| download | qemu-46eade7be83c110659ea9a6883fbd898d455ec06.tar.gz | |
block/qapi: Add qdev device name to query-block
With -blockdev/-device, users can indirectly create anonymous
BlockBackends, while the state of such backends is still of interest. As
a preparation for making such BBs visible in query-block, make sure that
they can be identified even without a name by adding the ID/QOM path of
their qdev device to BlockInfo.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
| -rw-r--r-- | block/qapi.c | 10 | ||||
| -rw-r--r-- | hmp.c | 3 | ||||
| -rw-r--r-- | qapi/block-core.json | 9 | ||||
| -rw-r--r-- | tests/qemu-iotests/067.out | 1 |
4 files changed, 22 insertions, 1 deletions
diff --git a/block/qapi.c b/block/qapi.c index 080eb8f115..c8a45ec54c 100644 --- a/block/qapi.c +++ b/block/qapi.c @@ -322,11 +322,21 @@ static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, { BlockInfo *info = g_malloc0(sizeof(*info)); BlockDriverState *bs = blk_bs(blk); + char *qdev; + info->device = g_strdup(blk_name(blk)); info->type = g_strdup("unknown"); info->locked = blk_dev_is_medium_locked(blk); info->removable = blk_dev_has_removable_media(blk); + qdev = blk_get_attached_dev_id(blk); + if (qdev && *qdev) { + info->has_qdev = true; + info->qdev = qdev; + } else { + g_free(qdev); + } + if (blk_dev_has_tray(blk)) { info->has_tray_open = true; info->tray_open = blk_dev_is_tray_open(blk); @@ -425,6 +425,9 @@ static void print_block_info(Monitor *mon, BlockInfo *info, } if (info) { + if (info->has_qdev) { + monitor_printf(mon, " Attached to: %s\n", info->qdev); + } if (info->has_io_status && info->io_status != BLOCK_DEVICE_IO_STATUS_OK) { monitor_printf(mon, " I/O status: %s\n", BlockDeviceIoStatus_lookup[info->io_status]); diff --git a/qapi/block-core.json b/qapi/block-core.json index c437aa50ef..ff8e2ba0cb 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -457,6 +457,9 @@ # # @device: The device name associated with the virtual device. # +# @qdev: The qdev ID, or if no ID is assigned, the QOM path of the block +# device. (since 2.10) +# # @type: This field is returned only for compatibility reasons, it should # not be used (always returns 'unknown') # @@ -482,7 +485,7 @@ # Since: 0.14.0 ## { 'struct': 'BlockInfo', - 'data': {'device': 'str', 'type': 'str', 'removable': 'bool', + 'data': {'device': 'str', '*qdev': 'str', 'type': 'str', 'removable': 'bool', 'locked': 'bool', '*inserted': 'BlockDeviceInfo', '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus', '*dirty-bitmaps': ['BlockDirtyInfo'] } } @@ -577,6 +580,7 @@ # } # } # }, +# "qdev": "ide_disk", # "type":"unknown" # }, # { @@ -584,12 +588,15 @@ # "device":"ide1-cd0", # "locked":false, # "removable":true, +# "qdev": "/machine/unattached/device[23]", +# "tray_open": false, # "type":"unknown" # }, # { # "device":"floppy0", # "locked":false, # "removable":true, +# "qdev": "/machine/unattached/device[20]", # "type":"unknown" # }, # { diff --git a/tests/qemu-iotests/067.out b/tests/qemu-iotests/067.out index 782eae27a0..e3c4496a9d 100644 --- a/tests/qemu-iotests/067.out +++ b/tests/qemu-iotests/067.out @@ -57,6 +57,7 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk -device virti "file": "TEST_DIR/t.qcow2", "encryption_key_missing": false }, + "qdev": "/machine/peripheral/virtio0/virtio-backend", "type": "unknown" } ] |