1.support qga package(fast train) installation of rhel8 guest
2.install the latest package of rhel8
Signed-off-by: NXiaoling Gao <xiagao@redhat.com>

Supported iscsi and ceph images' convert

  1. Added cfg/remote_image_convert.cfg and remote_convert.py
  2. The following testing scenarios are covered:
     2.1 remote -> local -> remote
     2.2 remote -> remote
     2.3 cache mode tested in remote->local raw->remote raw
         as well as remote->remote raw
Signed-off-by: NZhenchao Liu <zhencliu@redhat.com>

image_boot: disable image_boot

virtio_serial:Hot-unplug port and chardev and pci

Signed-off-by: NNana Liu <nanliu@redhat.com>

x86_cpu_model: Update approach to get supported cpu models

Signed-off-by: NYumei Huang <yuhuang@redhat.com>

Disable image_boot to prevent interference with bootindex.
Signed-off-by: Nybduan <yduan@redhat.com>

virtio_serial: test ioeventfd property with virtio_serial_pci

virtio_serial: fix 'NoneType' issue while transferring data

hotplug_block_resize: Fix support to resize blockdev device

block_check_fds: New case to check file descriptors

New a case that checks file descriptors when attaching
and detaching virtio-scsi block devices.
Signed-off-by: NYongxue Hong <yhong@redhat.com>

Fix '${smp}' issue since vt can use vcpu_maxcpus to define smp

Supported ceph image's extending and shrinking

Added configuration for remote image hotplug/hotunplug

Added configuration for VM migration

Added configuration for 'boot from a readonly iscsi image'

  1. Added cfg/remote_block_hotplug.cfg
  2. ceph and iscsi were supported
Signed-off-by: NZhenchao Liu <zhencliu@redhat.com>

  1. Only ceph was supported
  2. Extended and shrinked ceph image
Signed-off-by: NZhenchao Liu <zhencliu@redhat.com>

  1. iscsi&ceph images are used for OS images
  2. The following testing scenarios are covered:
     migrate VM on the same host
     migrate VM with postcopy on the same host
Signed-off-by: NZhenchao Liu <zhencliu@redhat.com>

Signed-off-by: NZhenchao Liu <zhencliu@redhat.com>

New case: snapshot on guest under stress

blockdev_snapshot_stress:do snapshot under stress,
and rebase_mode=unsafe to avoid a product bug.

blockdev_snapshot_base:add scenario for snapshot on
system disk.
Signed-off-by: NAihua Liang <aliang@redhat.com>

qemu_img_info_while_vm_running: Support luks image

boot_from_device: re-factor boot_from_device

Signed-off-by: NNana Liu <nanliu@redhat.com>

Add nested test cases.

Signed-off-by: NQinghua Cheng <qcheng@redhat.com>

block_devices_plug: Fix the order of hotplugging blockdev nodes

virtio_serial:boot tcp_socket chardev with qmp monitor

Signed-off-by: NNana Liu <nanliu@redhat.com>

rng_stress: add support for new backend 'rng-builtin'

Signed-off-by: Nybduan <yduan@redhat.com>

qemu_guest_agent: verify the blacklist of guest agent

Signed-off-by: NXiaoling Gao <xiagao@redhat.com>

Fix cd format to ide for virtio_scsi

cgroup: Fix blkio_throttle_read/write limitation's issues

block_with_write_threshold: Add case to test the write threshold