block/hmp: Factor out print_block_info()

The new function prints the info for a single BlockDriverState.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2014-09-15 12:06:39 +02:00
parent 9e193c5a65
commit 289b276c69

194
hmp.c
View File

@ -290,15 +290,107 @@ void hmp_info_cpus(Monitor *mon, const QDict *qdict)
qapi_free_CpuInfoList(cpu_list);
}
static void print_block_info(Monitor *mon, BlockInfo *info,
BlockDeviceInfo *inserted, bool verbose)
{
ImageInfo *image_info;
monitor_printf(mon, "%s", info->device);
if (inserted) {
monitor_printf(mon, ": %s (%s%s%s)\n",
inserted->file,
inserted->drv,
inserted->ro ? ", read-only" : "",
inserted->encrypted ? ", encrypted" : "");
} else {
monitor_printf(mon, ": [not inserted]\n");
}
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]);
}
if (info->removable) {
monitor_printf(mon, " Removable device: %slocked, tray %s\n",
info->locked ? "" : "not ",
info->tray_open ? "open" : "closed");
}
if (!inserted) {
return;
}
monitor_printf(mon, " Cache mode: %s%s%s\n",
inserted->cache->writeback ? "writeback" : "writethrough",
inserted->cache->direct ? ", direct" : "",
inserted->cache->no_flush ? ", ignore flushes" : "");
if (inserted->has_backing_file) {
monitor_printf(mon,
" Backing file: %s "
"(chain depth: %" PRId64 ")\n",
inserted->backing_file,
inserted->backing_file_depth);
}
if (inserted->detect_zeroes != BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF) {
monitor_printf(mon, " Detect zeroes: %s\n",
BlockdevDetectZeroesOptions_lookup[inserted->detect_zeroes]);
}
if (inserted->bps || inserted->bps_rd || inserted->bps_wr ||
inserted->iops || inserted->iops_rd || inserted->iops_wr)
{
monitor_printf(mon, " I/O throttling: bps=%" PRId64
" bps_rd=%" PRId64 " bps_wr=%" PRId64
" bps_max=%" PRId64
" bps_rd_max=%" PRId64
" bps_wr_max=%" PRId64
" iops=%" PRId64 " iops_rd=%" PRId64
" iops_wr=%" PRId64
" iops_max=%" PRId64
" iops_rd_max=%" PRId64
" iops_wr_max=%" PRId64
" iops_size=%" PRId64 "\n",
inserted->bps,
inserted->bps_rd,
inserted->bps_wr,
inserted->bps_max,
inserted->bps_rd_max,
inserted->bps_wr_max,
inserted->iops,
inserted->iops_rd,
inserted->iops_wr,
inserted->iops_max,
inserted->iops_rd_max,
inserted->iops_wr_max,
inserted->iops_size);
}
if (verbose) {
monitor_printf(mon, "\nImages:\n");
image_info = inserted->image;
while (1) {
bdrv_image_info_dump((fprintf_function)monitor_printf,
mon, image_info);
if (image_info->has_backing_image) {
image_info = image_info->backing_image;
} else {
break;
}
}
}
}
void hmp_info_block(Monitor *mon, const QDict *qdict)
{
BlockInfoList *block_list, *info;
ImageInfo *image_info;
BlockDeviceInfo *inserted;
const char *device = qdict_get_try_str(qdict, "device");
bool verbose = qdict_get_try_bool(qdict, "verbose", 0);
block_list = qmp_query_block(NULL);
block_list = qmp_query_block(false);
for (info = block_list; info; info = info->next) {
if (device && strcmp(device, info->value->device)) {
@ -309,99 +401,9 @@ void hmp_info_block(Monitor *mon, const QDict *qdict)
monitor_printf(mon, "\n");
}
monitor_printf(mon, "%s", info->value->device);
if (info->value->has_inserted) {
monitor_printf(mon, ": %s (%s%s%s)\n",
info->value->inserted->file,
info->value->inserted->drv,
info->value->inserted->ro ? ", read-only" : "",
info->value->inserted->encrypted ? ", encrypted" : "");
} else {
monitor_printf(mon, ": [not inserted]\n");
}
if (info->value->has_io_status && info->value->io_status != BLOCK_DEVICE_IO_STATUS_OK) {
monitor_printf(mon, " I/O status: %s\n",
BlockDeviceIoStatus_lookup[info->value->io_status]);
}
if (info->value->removable) {
monitor_printf(mon, " Removable device: %slocked, tray %s\n",
info->value->locked ? "" : "not ",
info->value->tray_open ? "open" : "closed");
}
if (!info->value->has_inserted) {
continue;
}
inserted = info->value->inserted;
monitor_printf(mon, " Cache mode: %s%s%s\n",
inserted->cache->writeback ? "writeback" : "writethrough",
inserted->cache->direct ? ", direct" : "",
inserted->cache->no_flush ? ", ignore flushes" : "");
if (info->value->inserted->has_backing_file) {
monitor_printf(mon,
" Backing file: %s "
"(chain depth: %" PRId64 ")\n",
info->value->inserted->backing_file,
info->value->inserted->backing_file_depth);
}
if (info->value->inserted->detect_zeroes != BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF) {
monitor_printf(mon, " Detect zeroes: %s\n",
BlockdevDetectZeroesOptions_lookup[info->value->inserted->detect_zeroes]);
}
if (info->value->inserted->bps
|| info->value->inserted->bps_rd
|| info->value->inserted->bps_wr
|| info->value->inserted->iops
|| info->value->inserted->iops_rd
|| info->value->inserted->iops_wr)
{
monitor_printf(mon, " I/O throttling: bps=%" PRId64
" bps_rd=%" PRId64 " bps_wr=%" PRId64
" bps_max=%" PRId64
" bps_rd_max=%" PRId64
" bps_wr_max=%" PRId64
" iops=%" PRId64 " iops_rd=%" PRId64
" iops_wr=%" PRId64
" iops_max=%" PRId64
" iops_rd_max=%" PRId64
" iops_wr_max=%" PRId64
" iops_size=%" PRId64 "\n",
info->value->inserted->bps,
info->value->inserted->bps_rd,
info->value->inserted->bps_wr,
info->value->inserted->bps_max,
info->value->inserted->bps_rd_max,
info->value->inserted->bps_wr_max,
info->value->inserted->iops,
info->value->inserted->iops_rd,
info->value->inserted->iops_wr,
info->value->inserted->iops_max,
info->value->inserted->iops_rd_max,
info->value->inserted->iops_wr_max,
info->value->inserted->iops_size);
}
if (verbose) {
monitor_printf(mon, "\nImages:\n");
image_info = info->value->inserted->image;
while (1) {
bdrv_image_info_dump((fprintf_function)monitor_printf,
mon, image_info);
if (image_info->has_backing_image) {
image_info = image_info->backing_image;
} else {
break;
}
}
}
print_block_info(mon, info->value, info->value->has_inserted
? info->value->inserted : NULL,
verbose);
}
qapi_free_BlockInfoList(block_list);