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import unittest
import random
import errno
from pyverbs.qp import QPCap, QPInitAttrEx, QPAttr, QPEx, QP
from pyverbs.pyverbs_error import PyverbsError, PyverbsRDMAError
from pyverbs.mr import MW, MWBindInfo
from pyverbs.base import inc_rkey
from tests.utils import wc_status_to_str
from pyverbs.libibverbs_enums import ibv_qp_type, ibv_qp_create_send_ops_flags, ibv_qp_init_attr_mask, \
ibv_access_flags, ibv_placement_type, ibv_selectivity_level, ibv_wr_opcode, ibv_wc_status, \
ibv_send_flags, ibv_mw_type
from tests.base import UDResources, RCResources, RDMATestCase, XRCResources
import tests.utils as u
class QpExUDSend(UDResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_UD, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_SEND)
class QpExRCSend(RCResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_SEND)
class QpExXRCSend(XRCResources):
def create_qps(self):
qp_attr = QPAttr(port_num=self.ib_port)
qp_attr.pkey_index = 0
for _ in range(self.qp_count):
attr_ex = QPInitAttrEx(qp_type=ibv_qp_type.IBV_QPT_XRC_RECV,
comp_mask=ibv_qp_init_attr_mask.IBV_QP_INIT_ATTR_XRCD,
xrcd=self.xrcd)
qp_attr.qp_access_flags = ibv_access_flags.IBV_ACCESS_REMOTE_WRITE | \
ibv_access_flags.IBV_ACCESS_REMOTE_READ
recv_qp = QP(self.ctx, attr_ex, qp_attr)
self.rqp_lst.append(recv_qp)
send_qp = u.create_qp_ex(self, ibv_qp_type.IBV_QPT_XRC_SEND, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_SEND)
self.sqp_lst.append(send_qp)
self.qps_num.append((recv_qp.qp_num, send_qp.qp_num))
self.psns.append(random.getrandbits(24))
class QpExUDSendImm(UDResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_UD, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_SEND_WITH_IMM)
class QpExRCSendImm(RCResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_SEND_WITH_IMM)
class QpExXRCSendImm(XRCResources):
def create_qps(self):
qp_attr = QPAttr(port_num=self.ib_port)
qp_attr.pkey_index = 0
for _ in range(self.qp_count):
attr_ex = QPInitAttrEx(qp_type=ibv_qp_type.IBV_QPT_XRC_RECV,
comp_mask=ibv_qp_init_attr_mask.IBV_QP_INIT_ATTR_XRCD,
xrcd=self.xrcd)
qp_attr.qp_access_flags = ibv_access_flags.IBV_ACCESS_REMOTE_WRITE | \
ibv_access_flags.IBV_ACCESS_REMOTE_READ
recv_qp = QP(self.ctx, attr_ex, qp_attr)
self.rqp_lst.append(recv_qp)
send_qp = u.create_qp_ex(self, ibv_qp_type.IBV_QPT_XRC_SEND,
ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_SEND_WITH_IMM)
self.sqp_lst.append(send_qp)
self.qps_num.append((recv_qp.qp_num, send_qp.qp_num))
self.psns.append(random.getrandbits(24))
class QpExRCFlush(RCResources):
ptype = ibv_placement_type.IBV_FLUSH_GLOBAL
level = ibv_selectivity_level.IBV_FLUSH_RANGE
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC,
ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_FLUSH | \
ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_RDMA_WRITE)
def create_mr(self):
try:
self.mr = u.create_custom_mr(self, ibv_access_flags.IBV_ACCESS_FLUSH_GLOBAL | ibv_access_flags.IBV_ACCESS_REMOTE_WRITE)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EINVAL:
raise unittest.SkipTest('Create mr with IBV_ACCESS_FLUSH_GLOBAL access flag is not supported in kernel')
raise ex
class QpExRCAtomicWrite(RCResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_ATOMIC_WRITE)
def create_mr(self):
self.mr = u.create_custom_mr(self, ibv_access_flags.IBV_ACCESS_REMOTE_WRITE)
class QpExRCRDMAWrite(RCResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_RDMA_WRITE)
def create_mr(self):
self.mr = u.create_custom_mr(self, ibv_access_flags.IBV_ACCESS_REMOTE_WRITE)
class QpExRCRDMAWriteImm(RCResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_RDMA_WRITE_WITH_IMM)
def create_mr(self):
self.mr = u.create_custom_mr(self, ibv_access_flags.IBV_ACCESS_REMOTE_WRITE)
class QpExRCRDMARead(RCResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_RDMA_READ)
def create_mr(self):
self.mr = u.create_custom_mr(self, ibv_access_flags.IBV_ACCESS_REMOTE_READ)
class QpExRCAtomicCmpSwp(RCResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_ATOMIC_CMP_AND_SWP)
self.mr = u.create_custom_mr(self, ibv_access_flags.IBV_ACCESS_REMOTE_ATOMIC)
class QpExRCAtomicFetchAdd(RCResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_ATOMIC_FETCH_AND_ADD)
self.mr = u.create_custom_mr(self, ibv_access_flags.IBV_ACCESS_REMOTE_ATOMIC)
class QpExRCBindMw(RCResources):
def create_qps(self):
u.create_qp_ex(self, ibv_qp_type.IBV_QPT_RC, ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_RDMA_WRITE |
ibv_qp_create_send_ops_flags.IBV_QP_EX_WITH_BIND_MW)
def create_mr(self):
self.mr = u.create_custom_mr(self, ibv_access_flags.IBV_ACCESS_REMOTE_WRITE |
ibv_access_flags.IBV_ACCESS_MW_BIND)
class QpExTestCase(RDMATestCase):
""" Run traffic using the new post send API. """
def setUp(self):
super().setUp()
self.iters = 100
def test_qp_ex_ud_send(self):
self.create_players(QpExUDSend)
u.traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_SEND)
def test_qp_ex_ud_zero_size(self):
self.create_players(QpExUDSend)
self.client.msg_size = 0
self.server.msg_size = 0
u.traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_SEND)
def test_qp_ex_rc_send(self):
self.create_players(QpExRCSend)
u.traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_SEND)
def test_qp_ex_xrc_send(self):
self.create_players(QpExXRCSend)
u.xrc_traffic(self.client, self.server, send_op=ibv_wr_opcode.IBV_WR_SEND)
def test_qp_ex_ud_send_imm(self):
self.create_players(QpExUDSendImm)
u.traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_SEND_WITH_IMM)
def test_qp_ex_rc_send_imm(self):
self.create_players(QpExRCSendImm)
u.traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_SEND_WITH_IMM)
def test_qp_ex_xrc_send_imm(self):
self.create_players(QpExXRCSendImm)
u.xrc_traffic(self.client, self.server, send_op=ibv_wr_opcode.IBV_WR_SEND_WITH_IMM)
def test_qp_ex_rc_flush(self):
self.create_players(QpExRCFlush)
wcs = u.flush_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_FLUSH)
if wcs[0].status != ibv_wc_status.IBV_WC_SUCCESS:
raise PyverbsError(f'Unexpected {wc_status_to_str(wcs[0].status)}')
self.client.level = ibv_selectivity_level.IBV_FLUSH_MR
wcs = u.flush_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_FLUSH)
if wcs[0].status != ibv_wc_status.IBV_WC_SUCCESS:
raise PyverbsError(f'Unexpected {wc_status_to_str(wcs[0].status)}')
def test_qp_ex_rc_flush_type_violate(self):
self.create_players(QpExRCFlush)
self.client.ptype = ibv_placement_type.IBV_FLUSH_PERSISTENT
wcs = u.flush_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_FLUSH)
if wcs[0].status != ibv_wc_status.IBV_WC_REM_ACCESS_ERR:
raise PyverbsError(f'Expected errors {wc_status_to_str(ibv_wc_status.IBV_WC_REM_ACCESS_ERR)} - got {wc_status_to_str(wcs[0].status)}')
def test_qp_ex_rc_atomic_write(self):
self.create_players(QpExRCAtomicWrite)
self.client.msg_size = 8
self.server.msg_size = 8
u.rdma_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_ATOMIC_WRITE)
def test_qp_ex_rc_rdma_write(self):
self.create_players(QpExRCRDMAWrite)
u.rdma_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_RDMA_WRITE)
def test_qp_ex_rc_rdma_write_imm(self):
self.create_players(QpExRCRDMAWriteImm)
u.traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_RDMA_WRITE_WITH_IMM)
def test_qp_ex_rc_rdma_write_zero_size(self):
self.create_players(QpExRCRDMAWrite)
self.client.msg_size = 0
self.server.msg_size = 0
u.rdma_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_RDMA_WRITE)
def test_qp_ex_rc_rdma_read(self):
self.create_players(QpExRCRDMARead)
self.server.mr.write('s' * self.server.msg_size, self.server.msg_size)
u.rdma_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_RDMA_READ)
def test_qp_ex_rc_rdma_read_zero_size(self):
self.create_players(QpExRCRDMARead)
self.client.msg_size = 0
self.server.msg_size = 0
self.server.mr.write('s' * self.server.msg_size, self.server.msg_size)
u.rdma_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_RDMA_READ)
def test_qp_ex_rc_atomic_cmp_swp(self):
self.create_players(QpExRCAtomicCmpSwp)
self.client.msg_size = 8 # Atomic work on 64b operators
self.server.msg_size = 8
self.server.mr.write('s' * 8, 8)
u.atomic_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_ATOMIC_CMP_AND_SWP)
def test_qp_ex_rc_atomic_fetch_add(self):
self.create_players(QpExRCAtomicFetchAdd)
self.client.msg_size = 8 # Atomic work on 64b operators
self.server.msg_size = 8
self.server.mr.write('s' * 8, 8)
u.atomic_traffic(**self.traffic_args, new_send=True, send_op=ibv_wr_opcode.IBV_WR_ATOMIC_FETCH_AND_ADD)
def test_qp_ex_rc_bind_mw(self):
"""
Verify bind memory window operation using the new post_send API.
Instead of checking through regular pingpong style traffic, we'll
do as follows:
- Register an MR with remote write access
- Bind a MW without remote write permission to the MR
- Verify that remote write fails
Since it's a unique flow, it's an integral part of that test rather
than a utility method.
"""
self.create_players(QpExRCBindMw)
client_sge = u.get_send_elements(self.client, False)[1]
# Create a MW and bind it
self.server.qp.wr_start()
self.server.qp.wr_id = 0x123
self.server.qp.wr_flags = ibv_send_flags.IBV_SEND_SIGNALED
bind_info = MWBindInfo(self.server.mr, self.server.mr.buf, self.server.mr.length,
ibv_access_flags.IBV_ACCESS_LOCAL_WRITE)
try:
mw = MW(self.server.pd, mw_type=ibv_mw_type.IBV_MW_TYPE_2)
except PyverbsRDMAError as ex:
if ex.error_code == errno.EOPNOTSUPP:
raise unittest.SkipTest('Memory Window allocation is not supported')
raise ex
new_key = inc_rkey(mw.rkey)
self.server.qp.wr_bind_mw(mw, new_key, bind_info)
self.server.qp.wr_complete()
u.poll_cq(self.server.cq)
# Verify that remote write fails
self.client.qp.wr_start()
self.client.qp.wr_id = 0x124
self.client.qp.wr_flags = ibv_send_flags.IBV_SEND_SIGNALED
self.client.qp.wr_rdma_write(new_key, self.server.mr.buf)
self.client.qp.wr_set_sge(client_sge)
self.client.qp.wr_complete()
wcs = u._poll_cq(self.client.cq)
if wcs[0].status != ibv_wc_status.IBV_WC_REM_ACCESS_ERR:
raise PyverbsRDMAError(f'Completion status is {wc_status_to_str(wcs[0].status)}')
def test_post_receive_qp_state_bad_flow(self):
self.create_players(QpExUDSend)
u.post_rq_state_bad_flow(self)
def test_post_send_qp_state_bad_flow(self):
self.create_players(QpExUDSend)
u.post_sq_state_bad_flow(self)
def test_full_rq_bad_flow(self):
self.create_players(QpExUDSend)
u.full_rq_bad_flow(self)
def test_rq_with_larger_sgl_bad_flow(self):
self.create_players(QpExUDSend)
u.create_rq_with_larger_sgl_bad_flow(self)
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