qemu.tests.nfs_perf: Get kvm userspace version from qemu linked for testing

Sometimes we may test qemu-kvm built by ourself not installed one.
At this time 'rpm -q qemu-kvm' could not return correct kvm userspace version.

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.tests.smbios_table.py: Fix system.Version mismatch error.

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.cfg.multi_disk: Do not test lsi53c895a device on rhel host

Rhel host do not support lsi53c895a device

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.cfg: Complement multi_vms_file_transfer.cfg.

Some parameter missing in this case which make case fail.

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.cfg.qemu_io_blkdebug: Update test_timeout to 2000

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.tests.multi_vms_file_transfer: Use data_dir for tmp dir

Use the data_dir library to get a tmp directory for the
multi_vms_file_transfer test. This way we can avoid placing
things in /tmp, which might not be always safe, specially
in newer Fedora hosts.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>