def invalidate_mw_type1(self):
"""
Invalidate the MWs by rebind this MW with zero length.
:return: None
"""
for player in [self.server, self.client]:
mw_bind_info = MWBindInfo(player.mr, player.mr.buf, 0, 0)
mw_bind = MWBind(mw_bind_info, e.IBV_SEND_SIGNALED)
player.qp.bind_mw(player.mw, mw_bind)
# Poll the bound MW action request completion.
u.poll_cq(player.cq)
def __init__(self, dev_name, ib_port, gid_index, mw_type):
"""
Initialize Memory Window resources based on RC resources that include RC
QP.
:param dev_name: Device name to be used
:param ib_port: IB port of the device to use
:param gid_index: Which GID index to use
:param mw_type: The MW type to use
"""
super().__init__(dev_name=dev_name, ib_port=ib_port,
gid_index=gid_index)
self.mw_type = mw_type
access = e.IBV_ACCESS_REMOTE_WRITE | e.IBV_ACCESS_LOCAL_WRITE
self.mw_bind_info = MWBindInfo(self.mr, self.mr.buf, self.msg_size,
access)
self.mw_bind = MWBind(self.mw_bind_info, e.IBV_SEND_SIGNALED)
try:
self.mw = MW(self.pd, self.mw_type)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Create MW is not supported')
raise ex