def create_context(self):
try:
self.ctx = Context(cmd_fd=self.cmd_fd)
except u.PyverbsRDMAError as ex:
if ex.error_code in [errno.EOPNOTSUPP, errno.EPROTONOSUPPORT]:
raise unittest.SkipTest(
'Importing a device is not supported')
raise ex
def __init__(self, dev_name, ib_port, gid_index):
"""
Initializes a BaseResources object.
:param dev_name: Device name to be used (default: 'ibp0s8f0')
:param ib_port: IB port of the device to use (default: 1)
:param gid_index: Which GID index to use (default: 0)
"""
self.ctx = Context(name=dev_name)
self.gid_index = gid_index
self.pd = PD(self.ctx)
self.ib_port = ib_port
def test_import_dm(self):
"""
Creates a DM and imports it from a different (duplicated) Context.
Then writes some data to the original DM, reads it from the imported DM
and verifies that the read data is as expected.
"""
with d.DM(self.ctx, d.AllocDmAttr(length=self.dm_size)) as dm:
cmd_fd_dup = os.dup(self.ctx.cmd_fd)
try:
imported_ctx = Context(cmd_fd=cmd_fd_dup)
imported_dm = DM(imported_ctx, handle=dm.handle)
except PyverbsRDMAError as ex:
if ex.error_code in [errno.EOPNOTSUPP, errno.EPROTONOSUPPORT]:
raise unittest.SkipTest('Some object imports are not supported')
raise ex
original_data = b'\xab' * self.dm_size
dm.copy_to_dm(0, original_data, self.dm_size)
read_data = imported_dm.copy_from_dm(0, self.dm_size)
self.assertEqual(original_data, read_data)
imported_dm.unimport()
def create_context(self):
self.ctx = Context(name=self.dev_name)