diff options
| -rw-r--r-- | block.c | 18 | ||||
| -rw-r--r-- | block/qapi.c | 109 | ||||
| -rw-r--r-- | blockdev.c | 5 | ||||
| -rw-r--r-- | include/block/block.h | 1 | ||||
| -rw-r--r-- | include/block/qapi.h | 1 | ||||
| -rw-r--r-- | qapi-schema.json | 16 | ||||
| -rw-r--r-- | qmp-commands.hx | 61 |
7 files changed, 155 insertions, 56 deletions
@@ -32,6 +32,7 @@ #include "sysemu/sysemu.h" #include "qemu/notify.h" #include "block/coroutine.h" +#include "block/qapi.h" #include "qmp-commands.h" #include "qemu/timer.h" @@ -3291,6 +3292,23 @@ BlockDriverState *bdrv_find_node(const char *node_name) return NULL; } +/* Put this QMP function here so it can access the static graph_bdrv_states. */ +BlockDeviceInfoList *bdrv_named_nodes_list(void) +{ + BlockDeviceInfoList *list, *entry; + BlockDriverState *bs; + + list = NULL; + QTAILQ_FOREACH(bs, &graph_bdrv_states, node_list) { + entry = g_malloc0(sizeof(*entry)); + entry->value = bdrv_block_device_info(bs); + entry->next = list; + list = entry; + } + + return list; +} + BlockDriverState *bdrv_next(BlockDriverState *bs) { if (!bs) { diff --git a/block/qapi.c b/block/qapi.c index 98b1b83bd6..8f4134b40a 100644 --- a/block/qapi.c +++ b/block/qapi.c @@ -29,6 +29,60 @@ #include "qapi/qmp-output-visitor.h" #include "qapi/qmp/types.h" +BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs) +{ + BlockDeviceInfo *info = g_malloc0(sizeof(*info)); + + info->file = g_strdup(bs->filename); + info->ro = bs->read_only; + info->drv = g_strdup(bs->drv->format_name); + info->encrypted = bs->encrypted; + info->encryption_key_missing = bdrv_key_required(bs); + + if (bs->node_name[0]) { + info->has_node_name = true; + info->node_name = g_strdup(bs->node_name); + } + + if (bs->backing_file[0]) { + info->has_backing_file = true; + info->backing_file = g_strdup(bs->backing_file); + } + + info->backing_file_depth = bdrv_get_backing_file_depth(bs); + + if (bs->io_limits_enabled) { + ThrottleConfig cfg; + throttle_get_config(&bs->throttle_state, &cfg); + info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; + info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; + info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; + + info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; + info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; + info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; + + info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; + info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; + info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; + info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; + info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; + info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; + + info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; + info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; + info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; + info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; + info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; + info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; + + info->has_iops_size = cfg.op_size; + info->iops_size = cfg.op_size; + } + + return info; +} + /* * Returns 0 on success, with *p_list either set to describe snapshot * information, or NULL because there are no snapshots. Returns -errno on @@ -211,60 +265,7 @@ void bdrv_query_info(BlockDriverState *bs, if (bs->drv) { info->has_inserted = true; - info->inserted = g_malloc0(sizeof(*info->inserted)); - info->inserted->file = g_strdup(bs->filename); - info->inserted->ro = bs->read_only; - info->inserted->drv = g_strdup(bs->drv->format_name); - info->inserted->encrypted = bs->encrypted; - info->inserted->encryption_key_missing = bdrv_key_required(bs); - - if (bs->backing_file[0]) { - info->inserted->has_backing_file = true; - info->inserted->backing_file = g_strdup(bs->backing_file); - } - - info->inserted->backing_file_depth = bdrv_get_backing_file_depth(bs); - - if (bs->io_limits_enabled) { - ThrottleConfig cfg; - throttle_get_config(&bs->throttle_state, &cfg); - info->inserted->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; - info->inserted->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; - info->inserted->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; - - info->inserted->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; - info->inserted->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; - info->inserted->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; - - info->inserted->has_bps_max = - cfg.buckets[THROTTLE_BPS_TOTAL].max; - info->inserted->bps_max = - cfg.buckets[THROTTLE_BPS_TOTAL].max; - info->inserted->has_bps_rd_max = - cfg.buckets[THROTTLE_BPS_READ].max; - info->inserted->bps_rd_max = - cfg.buckets[THROTTLE_BPS_READ].max; - info->inserted->has_bps_wr_max = - cfg.buckets[THROTTLE_BPS_WRITE].max; - info->inserted->bps_wr_max = - cfg.buckets[THROTTLE_BPS_WRITE].max; - - info->inserted->has_iops_max = - cfg.buckets[THROTTLE_OPS_TOTAL].max; - info->inserted->iops_max = - cfg.buckets[THROTTLE_OPS_TOTAL].max; - info->inserted->has_iops_rd_max = - cfg.buckets[THROTTLE_OPS_READ].max; - info->inserted->iops_rd_max = - cfg.buckets[THROTTLE_OPS_READ].max; - info->inserted->has_iops_wr_max = - cfg.buckets[THROTTLE_OPS_WRITE].max; - info->inserted->iops_wr_max = - cfg.buckets[THROTTLE_OPS_WRITE].max; - - info->inserted->has_iops_size = cfg.op_size; - info->inserted->iops_size = cfg.op_size; - } + info->inserted = bdrv_block_device_info(bs); bs0 = bs; p_image_info = &info->inserted->image; diff --git a/blockdev.c b/blockdev.c index 386109a8d4..0bfe38027b 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1952,6 +1952,11 @@ void qmp_drive_backup(const char *device, const char *target, } } +BlockDeviceInfoList *qmp_query_named_block_nodes(Error **errp) +{ + return bdrv_named_nodes_list(); +} + #define DEFAULT_MIRROR_BUF_SIZE (10 << 20) void qmp_drive_mirror(const char *device, const char *target, diff --git a/include/block/block.h b/include/block/block.h index 501b555885..13654ede8b 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -379,6 +379,7 @@ void bdrv_eject(BlockDriverState *bs, bool eject_flag); const char *bdrv_get_format_name(BlockDriverState *bs); BlockDriverState *bdrv_find(const char *name); BlockDriverState *bdrv_find_node(const char *node_name); +BlockDeviceInfoList *bdrv_named_nodes_list(void); BlockDriverState *bdrv_next(BlockDriverState *bs); void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs), void *opaque); diff --git a/include/block/qapi.h b/include/block/qapi.h index 9518ee4001..e92c00daf6 100644 --- a/include/block/qapi.h +++ b/include/block/qapi.h @@ -29,6 +29,7 @@ #include "block/block.h" #include "block/snapshot.h" +BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs); int bdrv_query_snapshot_info_list(BlockDriverState *bs, SnapshotInfoList **p_list, Error **errp); diff --git a/qapi-schema.json b/qapi-schema.json index 26e370b0a0..b619f019ee 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -810,6 +810,8 @@ # # @file: the filename of the backing device # +# @node-name: #optional the name of the block driver node (Since 2.0) +# # @ro: true if the backing device was open read-only # # @drv: the name of the block format used to open the backing device. As of @@ -857,10 +859,9 @@ # # Since: 0.14.0 # -# Notes: This interface is only found in @BlockInfo. ## { 'type': 'BlockDeviceInfo', - 'data': { 'file': 'str', 'ro': 'bool', 'drv': 'str', + 'data': { 'file': 'str', '*node-name': 'str', 'ro': 'bool', 'drv': 'str', '*backing_file': 'str', 'backing_file_depth': 'int', 'encrypted': 'bool', 'encryption_key_missing': 'bool', 'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int', @@ -2011,6 +2012,17 @@ { 'command': 'drive-backup', 'data': 'DriveBackup' } ## +# @query-named-block-nodes +# +# Get the named block driver list +# +# Returns: the list of BlockDeviceInfo +# +# Since 2.0 +## +{ 'command': 'query-named-block-nodes', 'returns': [ 'BlockDeviceInfo' ] } + +## # @drive-mirror # # Start mirroring a block device's writes to a new destination. diff --git a/qmp-commands.hx b/qmp-commands.hx index 02cc815bc5..11b44c51b7 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -3346,3 +3346,64 @@ Example (2): <- { "return": {} } EQMP + + { + .name = "query-named-block-nodes", + .args_type = "", + .mhandler.cmd_new = qmp_marshal_input_query_named_block_nodes, + }, + +SQMP +@query-named-block-nodes +------------------------ + +Return a list of BlockDeviceInfo for all the named block driver nodes + +Example: + +-> { "execute": "query-named-block-nodes" } +<- { "return": [ { "ro":false, + "drv":"qcow2", + "encrypted":false, + "file":"disks/test.qcow2", + "node-name": "my-node", + "backing_file_depth":1, + "bps":1000000, + "bps_rd":0, + "bps_wr":0, + "iops":1000000, + "iops_rd":0, + "iops_wr":0, + "bps_max": 8000000, + "bps_rd_max": 0, + "bps_wr_max": 0, + "iops_max": 0, + "iops_rd_max": 0, + "iops_wr_max": 0, + "iops_size": 0, + "image":{ + "filename":"disks/test.qcow2", + "format":"qcow2", + "virtual-size":2048000, + "backing_file":"base.qcow2", + "full-backing-filename":"disks/base.qcow2", + "backing-filename-format:"qcow2", + "snapshots":[ + { + "id": "1", + "name": "snapshot1", + "vm-state-size": 0, + "date-sec": 10000200, + "date-nsec": 12, + "vm-clock-sec": 206, + "vm-clock-nsec": 30 + } + ], + "backing-image":{ + "filename":"disks/base.qcow2", + "format":"qcow2", + "virtual-size":2048000 + } + } } ] } + +EQMP |