def test_dereg_mr(self): """ Test ibv_dereg_mr() """ lst = d.get_device_list() for dev in lst: with d.Context(name=dev.name.decode()) as ctx: with PD(ctx) as pd: with MR(pd, u.get_mr_length(), u.get_access_flags()) as mr: mr.close()
def test_dereg_mr(self): """ Test ibv_dereg_mr() """ for ctx, attr, attr_ex in self.devices: with PD(ctx) as pd: flags = u.get_access_flags(ctx) for f in flags: with MR(pd, u.get_mr_length(), f) as mr: mr.close()
def test_dereg_mr_twice(self): """ Verify that explicit call to MR's close() doesn't fails """ lst = d.get_device_list() for dev in lst: with d.Context(name=dev.name.decode()) as ctx: with PD(ctx) as pd: with MR(pd, u.get_mr_length(), u.get_access_flags()) as mr: # Pyverbs supports multiple destruction of objects, we are # not expecting an exception here. mr.close() mr.close()
def test_buffer(self): """ Test reading buf property """ lst = d.get_device_list() for dev in lst: with d.Context(name=dev.name.decode()) as ctx: with PD(ctx) as pd: length = u.get_mr_length() with MR(pd, length, u.get_access_flags()) as mr: buf = mr.buf
def test_dereg_mr_twice(self): """ Verify that explicit call to MR's close() doesn't fails """ for ctx, attr, attr_ex in self.devices: with PD(ctx) as pd: flags = u.get_access_flags(ctx) for f in flags: with MR(pd, u.get_mr_length(), f) as mr: # Pyverbs supports multiple destruction of objects, # we are not expecting an exception here. mr.close() mr.close()
def test_buffer(self): """ Test reading buf property """ for ctx, attr, attr_ex in self.devices: with PD(ctx) as pd: length = u.get_mr_length() flags = u.get_access_flags(ctx) for f in flags: with MR(pd, length, f) as mr: mr.buf
def test_write(self): """ Test writing to MR's buffer """ lst = d.get_device_list() for dev in lst: with d.Context(name=dev.name.decode()) as ctx: with PD(ctx) as pd: mr_len = u.get_mr_length() with MR(pd, mr_len, u.get_access_flags()) as mr: write_len = min(random.randint(1, MAX_IO_LEN), mr_len) mr.write(u.get_data(write_len), write_len)
def test_write(self): """ Test writing to MR's buffer """ for ctx, attr, attr_ex in self.devices: with PD(ctx) as pd: for i in range(10): mr_len = u.get_mr_length() flags = u.get_access_flags(ctx) for f in flags: with MR(pd, mr_len, f) as mr: write_len = min(random.randint(1, MAX_IO_LEN), mr_len) mr.write('a' * write_len, write_len)
def test_read(self): """ Test reading from MR's buffer """ lst = d.get_device_list() for dev in lst: with d.Context(name=dev.name.decode()) as ctx: with PD(ctx) as pd: mr_len = u.get_mr_length() with MR(pd, mr_len, u.get_access_flags()) as mr: write_len = min(random.randint(1, MAX_IO_LEN), mr_len) write_str = u.get_data(write_len) mr.write(write_str, write_len) read_len = random.randint(1, write_len) offset = random.randint(0, write_len - read_len) read_str = mr.read(read_len, offset).decode() assert read_str in write_str
def test_reg_mr_bad_flags(self): """ Verify that illegal flags combination fails as expected """ for ctx, attr, attr_ex in self.devices: with PD(ctx) as pd: for i in range(5): flags = random.sample([e.IBV_ACCESS_REMOTE_WRITE, e.IBV_ACCESS_REMOTE_ATOMIC], random.randint(1, 2)) mr_flags = 0 for i in flags: mr_flags += i.value try: MR(pd, u.get_mr_length(), mr_flags) except PyverbsRDMAError as err: assert 'Failed to register a MR' in err.args[0] else: raise PyverbsRDMAError('Registered a MR with illegal falgs')
def test_reg_mr_bad_flags(self): """ Verify that illegal flags combination fails as expected """ lst = d.get_device_list() for dev in lst: with d.Context(name=dev.name.decode()) as ctx: with PD(ctx) as pd: flags = random.sample([ e.IBV_ACCESS_REMOTE_WRITE, e.IBV_ACCESS_REMOTE_ATOMIC ], random.randint(1, 2)) mr_flags = 0 for i in flags: mr_flags += i.value try: mr = MR(pd, u.get_mr_length(), mr_flags) except PyverbsRDMAError as err: assert 'Failed to register a MR' in err.args[0] else: raise PyverbsRDMAError( 'Registered a MR with illegal falgs')
def test_read(self): """ Test reading from MR's buffer """ for ctx, attr, attr_ex in self.devices: with PD(ctx) as pd: for i in range(10): mr_len = u.get_mr_length() flags = u.get_access_flags(ctx) for f in flags: with MR(pd, mr_len, f) as mr: write_len = min(random.randint(1, MAX_IO_LEN), mr_len) write_str = 'a' * write_len mr.write(write_str, write_len) read_len = random.randint(1, write_len) offset = random.randint(0, write_len-read_len) read_str = mr.read(read_len, offset).decode() assert read_str in write_str