add usb_device_check.cfg for define params of each usb check cases.
add usb_common to handle usb device common behaviors for all usb tests.
add usb_device_check to run usb check cases.
Signed-off-by: NHaotong Chen <hachen@redhat.com>

The guest will auto mount usb disk after reboot when the usb disk
was made file system. Since removable usb disk will not available,
unmount the usb disk before running subsequent tests.
Signed-off-by: NHaotong Chen <hachen@redhat.com>

add "usb-ehci" and "nec-xhci" variants into boot_from_usb_stg，
so that it will test both controllers.
Signed-off-by: NHaotong Chen <hachen@redhat.com>

host rhel7: usb-ehci speed mismatch with usb-hub and usb-ccid
host rhel6: usb-ehci speed mismatch with usb-kdb, usb-mouse, usb-tablet, usb-hub and usb-ccid
Signed-off-by: NHaotong Chen <hachen@redhat.com>

ID: 1441539

drive_mirror_negative_tests: Setup iscsi target on localhost.

Signed-off-by: NQianqian Zhu <qizhu@redhat.com>

qemu.test.pxe_query_cpus: stop VM until subtest began

balloon_check: get guest memory after system up

qemu.tests.balloon_check:
1.get guest memory after system's up for windows guest
2.modify scripts for balloon_illegal test
3.remove param "os_type"
4.add get_win_mon_free_mem() under class BallooningTestWin()

qemu.test.cfg.balloon_check:
1.add new param "balloon_min_win"
2.remove param "os_type"
Signed-off-by: NAihua Liang <aliang@redhat.com>

qemu.test: Fix login timeout in migration_multi_host_with_module_reload

There is an issue that the tftp packages has already arrived before the
script starting to snoop them, so stop VM until subtest began.
Signed-off-by: NXu Han <xuhan@redhat.com>

qemu.test.pxe_boot: extend pxe_timeout to 360s

generic.tests: fix iometer command timeout issue

Param 'run_timeout' define in test configuration but not used
it cause iometer commands run timeout in lower performance
machines.
Signed-off-by: NXu Tian <xutian@redhat.com>

live_backup.py: Add live backup test cases.

Signed-off-by: NQianqian Zhu <qizhu@redhat.com>

qemu.migration: disable automem to avoid migration failed

Add "flexible_nic_index = yes" for multi nics related cases

Signe-off-by: NYanan Fu <yfu@redhat.com>

when boot vm with multi nics, sometimes wrong nic index will cause
login guest failed,flexible_nic_index=yes can help avoid this issue
Signed-off-by: NYanan Fu <yfu@redhat.com>

qemu_io_blkdebug: replace perror with  os.strerror

Signed-off-by: NXueqiang Wei <xuwei@redhat.com>

As command perror is not installed in some hosts, replace
perror with os.strerror
Signed-off-by: NPing Li <pingl@redhat.com>

fix cgroup.devices_access

rh_qemu_iotests: drop parameter --force

In qemu1.5,we get the information like "idTestR2: removable=1 locked=0..."
In new version,we get the information like "idTestR2 (#block303): /dev/sda"
The most importment thing is weather "idTestR2" in the information.
The expression ("%s: " % name) won't work for the new version.
This modify is compitable for old version.
Signed-off-by: Nyanwang <yan.wang@easystack.cn>

qemu.stop_continue: raise root-cause if test is failed

multi_disk_random_hotplug: Update the usb controller for RHEL.6 host

Drop the parameter "--force", rpmbuild will apply all
patches to source code.
Signed-off-by: NPing Li <pingl@redhat.com>

Add vCPU device based hotplug/unplug test cases

fix qmp_command.qmp_query-cpus

Hmp command return the PC value in hexadecimal.
Qmp command return the PC value in complement.
This patch transform the value from it's hexadecimal to it's complement.

qcow2perf: drop the outdate variants

Drop the variants summary_qcow2perf as there is no requirement to track.
Signed-off-by: NPing Li <pingl@redhat.com>

fix qemu_disk_img_snapshot

No matter change_md5 or change_md5 == md5 will raise error.
So in my opinion, there should be "or" instead of "and".

rh_qemu_iotests: update case steps when test  with qemu-kvm

Skip to run configure in source code when test with qemu-kvm
Signed-off-by: NPing Li <pingl@redhat.com>

multi_disk_random_hotplug: Add codes to handle the hot_unplug error caused by cmd '__com.redhat_drive_del'

block_copy: Add wait for and after job finished function.