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[Qemu-devel] [RFC 1/8] block: add virtual_size to query-block QMP output
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [RFC 1/8] block: add virtual_size to query-block QMP output |
Date: |
Sat, 9 Mar 2013 23:22:21 +0100 |
There is currently no way to query the size of a drive. Add a
'virtual_size' field to the 'query-block' QMP output.
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
block.c | 1 +
qapi-schema.json | 5 ++++-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/block.c b/block.c
index 124a9eb..0128e27 100644
--- a/block.c
+++ b/block.c
@@ -2908,6 +2908,7 @@ BlockInfo *bdrv_query_info(BlockDriverState *bs)
info->has_inserted = true;
info->inserted = g_malloc0(sizeof(*info->inserted));
info->inserted->file = g_strdup(bs->filename);
+ info->inserted->virtual_size = bdrv_getlength(bs);
info->inserted->ro = bs->read_only;
info->inserted->drv = g_strdup(bs->drv->format_name);
info->inserted->encrypted = bs->encrypted;
diff --git a/qapi-schema.json b/qapi-schema.json
index 28b070f..6b64aec 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -751,6 +751,8 @@
#
# @iops_wr: write I/O operations per second is specified
#
+# @virtual_size: size of block device, in bytes
+#
# Since: 0.14.0
#
# Notes: This interface is only found in @BlockInfo.
@@ -760,7 +762,8 @@
'*backing_file': 'str', 'backing_file_depth': 'int',
'encrypted': 'bool', 'encryption_key_missing': 'bool',
'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
- 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int'} }
+ 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int',
+ 'virtual_size': 'int' } }
##
# @BlockDeviceIoStatus:
--
1.8.1.4
- [Qemu-devel] [RFC 0/8] block: Live backup prototype, Stefan Hajnoczi, 2013/03/09
- [Qemu-devel] [RFC 1/8] block: add virtual_size to query-block QMP output,
Stefan Hajnoczi <=
- [Qemu-devel] [RFC 2/8] add basic backup support to block driver, Stefan Hajnoczi, 2013/03/09
- [Qemu-devel] [RFC 4/8] block: add block_backup QMP command, Stefan Hajnoczi, 2013/03/09
- [Qemu-devel] [RFC 5/8] Add nbd server Python module, Stefan Hajnoczi, 2013/03/09
- [Qemu-devel] [RFC 6/8] Add VMA backup archive writer Python module, Stefan Hajnoczi, 2013/03/09
- [Qemu-devel] [RFC 7/8] Add vma-writer.py tool, Stefan Hajnoczi, 2013/03/09
- [Qemu-devel] [RFC 8/8] Add backup.py tool, Stefan Hajnoczi, 2013/03/09