virttest.utils_netperf: Support multi package size in NetperfClient.(bg_)start()

Signed-off-by: Feng Yang <fyang@redhat.com>
virttest.qemu_storage: Update create() function when using qcow2 format

Some option only support qcow2 format, like: preallocation, encryption,
cluster_size.

Signed-off-by: Shuping Cui <scui@redhat.com>
virttest.qemu_storage: Fix a typo

We use 'encryption=on' for qcow2 format now.

Signed-off-by: Shuping Cui <scui@redhat.com>
utils_test.libvirt: Make sure XML file has been created for create_disk_xml.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
utils_test.libvirt: Support multiple disks and scsi disks for attach_disks.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
utils_test.libvirt: Support to attach devices with --config.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
utils_test.libvirt: Support format for creating disks.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
utils_test.libvirt: Update logic of generating disks index.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
virttest.utils_test: Ignore shell session terminated error when run autotest inside guest

Some stress test inside guest will cause shell session terminated, we
want ignore this kind of problem in some situation. Add a parameter to
support this.

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
shared.cfg: Small bug fix for physical_resources_check

Need to clean up cpu_threads_chk_cmd parameter in
Windows.cfg, not just comment it out.

Signed-off-by: Shuping Cui <scui@redhat.com>
libvirt_xml.controller: Add controller relative operations.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
utils_test.libvirt: Support multifunction of controllers for massive disks.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
Merge pull request #1807 from spcui/qemu_storage

qemu_storage bugs fix
virttest.staging.utils_memory: Add functions to get/set hugepage parameters

These functions can be used to obtain the parameters of hugepage, such as
total/free/reserved memory,and enable/disable the transparent hugepage feature.
virttest.utils_misc.py : Add hugetlbfs for is_mounted()

It shouldn't be treated by os.path.realpath() while the file-type is hugetlbfs.
Merge pull request #1791 from FengYang/netperf_class

virttest.utils_netperf: Support multi package size in NetperfClient.(bg_...
libvirt_xml.vm_xml: Adjust add_hostdev for Hostdev enhancements.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
libvirt_xml: Implement memballoon xml

Signed-off-by: Yanbing Du <ydu@redhat.com>
Merge pull request #1850 from yumingfei/fix_hostdev

libvirt_xml.vm_xml: Adjust add_hostdev for Hostdev enhancements.
Modify for gluster pool and volume test