hmp: add parameters device and -v for info block
With these parameters, user can choose the information to be showed, to avoid message flood in the monitor. Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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e73fe2b46c
11
hmp.c
11
hmp.c
@ -280,10 +280,15 @@ void hmp_info_block(Monitor *mon, const QDict *qdict)
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{
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BlockInfoList *block_list, *info;
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ImageInfo *image_info;
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const char *device = qdict_get_try_str(qdict, "device");
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bool verbose = qdict_get_try_bool(qdict, "verbose", 0);
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block_list = qmp_query_block(NULL);
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for (info = block_list; info; info = info->next) {
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if (device && strcmp(device, info->value->device)) {
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continue;
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}
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monitor_printf(mon, "%s: removable=%d",
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info->value->device, info->value->removable);
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@ -322,17 +327,19 @@ void hmp_info_block(Monitor *mon, const QDict *qdict)
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info->value->inserted->iops_rd,
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info->value->inserted->iops_wr);
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if (verbose) {
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monitor_printf(mon, " images:\n");
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image_info = info->value->inserted->image;
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while (1) {
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bdrv_image_info_dump((fprintf_function)monitor_printf, mon,
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image_info);
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bdrv_image_info_dump((fprintf_function)monitor_printf,
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mon, image_info);
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if (image_info->has_backing_image) {
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image_info = image_info->backing_image;
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} else {
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break;
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}
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}
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}
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} else {
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monitor_printf(mon, " [not inserted]");
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}
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@ -2472,9 +2472,10 @@ static mon_cmd_t info_cmds[] = {
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},
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{
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.name = "block",
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.args_type = "",
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.params = "",
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.help = "show the block devices",
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.args_type = "verbose:-v,device:B?",
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.params = "[-v] [device]",
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.help = "show info of one block device or all block devices "
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"(and details of images with -v option)",
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.mhandler.cmd = hmp_info_block,
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},
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{
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