Check the avability of the options with the current qemu binary, add them in the varable opt if yes, print a message if not.
Signed-off-by: Matthias Gatto <matthias.ga...@outscale.com> --- src/qemu/qemu_command.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 8a69976..9e84e98 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -3598,6 +3598,55 @@ qemuBuildDriveStr(virConnectPtr conn, disk->blkdeviotune.write_iops_sec); } + /* block I/O throttling 1.7 */ + if ((disk->blkdeviotune.total_bytes_sec_max || + disk->blkdeviotune.read_bytes_sec_max || + disk->blkdeviotune.write_bytes_sec_max || + disk->blkdeviotune.total_iops_sec_max || + disk->blkdeviotune.read_iops_sec_max || + disk->blkdeviotune.write_iops_sec_max) && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_MAX)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("there is some block I/O throttling paramater that are not supported with this " + "QEMU binary(need QEMU 1.7 or superior)")); + goto error; + } + + if (disk->blkdeviotune.total_bytes_sec_max) { + virBufferAsprintf(&opt, ",bps_max=%llu", + disk->blkdeviotune.total_bytes_sec_max); + } + + if (disk->blkdeviotune.read_bytes_sec_max) { + virBufferAsprintf(&opt, ",bps_rd_max=%llu", + disk->blkdeviotune.read_bytes_sec_max); + } + + if (disk->blkdeviotune.write_bytes_sec_max) { + virBufferAsprintf(&opt, ",bps_wr_max=%llu", + disk->blkdeviotune.write_bytes_sec_max); + } + + if (disk->blkdeviotune.total_iops_sec_max) { + virBufferAsprintf(&opt, ",iops_max=%llu", + disk->blkdeviotune.total_iops_sec_max); + } + + if (disk->blkdeviotune.read_iops_sec_max) { + virBufferAsprintf(&opt, ",iops_rd_max=%llu", + disk->blkdeviotune.read_iops_sec_max); + } + + if (disk->blkdeviotune.write_iops_sec_max) { + virBufferAsprintf(&opt, ",iops_wr_max=%llu", + disk->blkdeviotune.write_iops_sec_max); + } + + if (disk->blkdeviotune.write_iops_sec_max) { + virBufferAsprintf(&opt, ",iops_size=%llu", + disk->blkdeviotune.size_iops_sec); + } + if (virBufferCheckError(&opt) < 0) goto error; -- 1.8.3.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list