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author | Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> | 2012-01-18 14:40:47 +0000 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2012-01-26 14:49:17 +0100 |
commit | 2d47c6e9aa2475807913bd46dfca55980cca9fb4 (patch) | |
tree | 24c53c3bf120c063fc6ab0da03de7c715fe77138 /blockdev.c | |
parent | 12bd451fe0be83474910bb63b5874458141d4230 (diff) | |
download | qemu-2d47c6e9aa2475807913bd46dfca55980cca9fb4.zip qemu-2d47c6e9aa2475807913bd46dfca55980cca9fb4.tar.gz qemu-2d47c6e9aa2475807913bd46dfca55980cca9fb4.tar.bz2 |
qmp: add block_job_set_speed command
Add block_job_set_speed, which sets the maximum speed for a background
block operation.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'blockdev.c')
-rw-r--r-- | blockdev.c | 25 |
1 files changed, 25 insertions, 0 deletions
@@ -964,3 +964,28 @@ void qmp_block_stream(const char *device, bool has_base, trace_qmp_block_stream(bs, bs->job); } + +static BlockJob *find_block_job(const char *device) +{ + BlockDriverState *bs; + + bs = bdrv_find(device); + if (!bs || !bs->job) { + return NULL; + } + return bs->job; +} + +void qmp_block_job_set_speed(const char *device, int64_t value, Error **errp) +{ + BlockJob *job = find_block_job(device); + + if (!job) { + error_set(errp, QERR_DEVICE_NOT_ACTIVE, device); + return; + } + + if (block_job_set_speed(job, value) < 0) { + error_set(errp, QERR_NOT_SUPPORTED); + } +} |