/
test_odp.py
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/
test_odp.py
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from pyverbs.mem_alloc import mmap, munmap, madvise, MAP_ANONYMOUS_, MAP_PRIVATE_, \
MAP_HUGETLB_
from tests.base import RCResources, UDResources, XRCResources
from pyverbs.wr import SGE, SendWR, RecvWR
from pyverbs.qp import QPAttr, QPInitAttr
from tests.base import RDMATestCase
from pyverbs.mr import MR
import pyverbs.enums as e
import tests.utils as u
HUGE_PAGE_SIZE = 0x200000
class OdpUD(UDResources):
def __init__(self, request_user_addr=False, **kwargs):
self.request_user_addr = request_user_addr
self.user_addr = None
super(OdpUD, self).__init__(**kwargs)
@u.requires_odp('ud', e.IBV_ODP_SUPPORT_SEND)
def create_mr(self):
if self.request_user_addr:
self.user_addr = mmap(length=self.msg_size,
flags=MAP_ANONYMOUS_ | MAP_PRIVATE_)
self.send_mr = MR(self.pd, self.msg_size + u.GRH_SIZE,
e.IBV_ACCESS_LOCAL_WRITE | e.IBV_ACCESS_ON_DEMAND, address=self.user_addr)
self.recv_mr = MR(self.pd, self.msg_size + u.GRH_SIZE,
e.IBV_ACCESS_LOCAL_WRITE)
class OdpRC(RCResources):
def __init__(self, dev_name, ib_port, gid_index, is_huge=False,
request_user_addr=False, use_mr_prefetch=None, is_implicit=False,
prefetch_advice=e._IBV_ADVISE_MR_ADVICE_PREFETCH_WRITE,
msg_size=1024, odp_caps=e.IBV_ODP_SUPPORT_SEND | e.IBV_ODP_SUPPORT_RECV):
"""
Initialize an OdpRC object.
: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 is_huge: If True, use huge pages for MR registration
:param request_user_addr: Request to provide the MR's buffer address.
If False, the buffer will be allocated by pyverbs.
:param use_mr_prefetch: Describes the properties of the prefetch
operation. The options are 'sync', 'async'
and None to skip the prefetch operation.
:param is_implicit: If True, register implicit MR.
:param prefetch_advice: The advice of the prefetch request (ignored
if use_mr_prefetch is None).
"""
self.is_huge = is_huge
self.request_user_addr = request_user_addr
self.is_implicit = is_implicit
self.odp_caps = odp_caps
self.access = e.IBV_ACCESS_LOCAL_WRITE | e.IBV_ACCESS_ON_DEMAND | \
e.IBV_ACCESS_REMOTE_ATOMIC | e.IBV_ACCESS_REMOTE_READ | \
e.IBV_ACCESS_REMOTE_WRITE
self.user_addr = None
super(OdpRC, self).__init__(dev_name=dev_name, ib_port=ib_port,
gid_index=gid_index)
self.use_mr_prefetch = use_mr_prefetch
self.prefetch_advice = prefetch_advice
self.msg_size = msg_size
@u.requires_odp('rc', e.IBV_ODP_SUPPORT_SEND | e.IBV_ODP_SUPPORT_RECV)
def create_mr(self):
u.odp_supported(self.ctx, 'rc', self.odp_caps)
if self.request_user_addr:
mmap_flags = MAP_ANONYMOUS_| MAP_PRIVATE_
length = self.msg_size
if self.is_huge:
mmap_flags |= MAP_HUGETLB_
length = HUGE_PAGE_SIZE
self.user_addr = mmap(length=length, flags=mmap_flags)
access = self.access
if self.is_huge:
access |= e.IBV_ACCESS_HUGETLB
self.mr = MR(self.pd, self.msg_size, access, address=self.user_addr,
implicit=self.is_implicit)
def create_qp_init_attr(self):
return QPInitAttr(qp_type=e.IBV_QPT_RC, scq=self.cq, sq_sig_all=0,
rcq=self.cq, srq=self.srq, cap=self.create_qp_cap())
def create_qp_attr(self):
qp_attr = QPAttr(port_num=self.ib_port)
qp_attr.qp_access_flags = self.access
return qp_attr
class OdpXRC(XRCResources):
def __init__(self, request_user_addr=False, **kwargs):
self.request_user_addr = request_user_addr
self.user_addr = None
super(OdpXRC, self).__init__(**kwargs)
@u.requires_odp('xrc', e.IBV_ODP_SUPPORT_SEND | e.IBV_ODP_SUPPORT_SRQ_RECV)
def create_mr(self):
if self.request_user_addr:
self.user_addr = mmap(length=self.msg_size,
flags=MAP_ANONYMOUS_| MAP_PRIVATE_)
self.mr = u.create_custom_mr(self, e.IBV_ACCESS_ON_DEMAND, user_addr=self.user_addr)
class OdpTestCase(RDMATestCase):
def setUp(self):
super(OdpTestCase, self).setUp()
self.iters = 100
self.force_page_faults = True
self.is_huge = False
def create_players(self, resource, **resource_arg):
"""
Init odp tests resources.
:param resource: The RDMA resources to use. A class of type
BaseResources.
:param resource_arg: Dict of args that specify the resource specific
attributes.
"""
sync_attrs = False if resource == OdpUD else True
super().create_players(resource, sync_attrs, **resource_arg)
self.traffic_args['force_page_faults'] = self.force_page_faults
def tearDown(self):
if self.server and self.server.user_addr:
length = HUGE_PAGE_SIZE if self.is_huge else self.server.msg_size
munmap(self.server.user_addr, length)
if self.client and self.client.user_addr:
length = HUGE_PAGE_SIZE if self.is_huge else self.client.msg_size
munmap(self.client.user_addr, length)
super(OdpTestCase, self).tearDown()
def test_odp_rc_traffic(self):
self.create_players(OdpRC, request_user_addr=self.force_page_faults)
u.traffic(**self.traffic_args)
def test_odp_rc_atomic_cmp_and_swp(self):
self.force_page_faults = False
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
msg_size=8, odp_caps=e.IBV_ODP_SUPPORT_ATOMIC)
u.atomic_traffic(**self.traffic_args,
send_op=e.IBV_WR_ATOMIC_CMP_AND_SWP)
u.atomic_traffic(**self.traffic_args, receiver_val=1, sender_val=1,
send_op=e.IBV_WR_ATOMIC_CMP_AND_SWP)
def test_odp_rc_atomic_fetch_and_add(self):
self.force_page_faults = False
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
msg_size=8, odp_caps=e.IBV_ODP_SUPPORT_ATOMIC)
u.atomic_traffic(**self.traffic_args,
send_op=e.IBV_WR_ATOMIC_FETCH_AND_ADD)
def test_odp_rc_rdma_read(self):
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
odp_caps=e.IBV_ODP_SUPPORT_READ)
self.server.mr.write('s' * self.server.msg_size, self.server.msg_size)
u.rdma_traffic(**self.traffic_args, send_op=e.IBV_WR_RDMA_READ)
def test_odp_rc_rdma_write(self):
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
odp_caps=e.IBV_ODP_SUPPORT_WRITE)
u.rdma_traffic(**self.traffic_args, send_op=e.IBV_WR_RDMA_WRITE)
def test_odp_implicit_rc_traffic(self):
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
is_implicit=True)
u.traffic(**self.traffic_args)
def test_odp_ud_traffic(self):
self.create_players(OdpUD, request_user_addr=self.force_page_faults)
# Implement the traffic here because OdpUD uses two different MRs for
# send and recv.
ah_client = u.get_global_ah(self.client, self.gid_index, self.ib_port)
recv_sge = SGE(self.server.recv_mr.buf, self.server.msg_size +
u.GRH_SIZE, self.server.recv_mr.lkey)
server_recv_wr = RecvWR(sg=[recv_sge], num_sge=1)
send_sge = SGE(self.client.send_mr.buf + u.GRH_SIZE,
self.client.msg_size, self.client.send_mr.lkey)
client_send_wr = SendWR(num_sge=1, sg=[send_sge])
for i in range(self.iters):
madvise(self.client.send_mr.buf, self.client.msg_size)
self.server.qp.post_recv(server_recv_wr)
u.post_send(self.client, client_send_wr, ah=ah_client)
u.poll_cq(self.client.cq)
u.poll_cq(self.server.cq)
def test_odp_xrc_traffic(self):
self.create_players(OdpXRC, request_user_addr=self.force_page_faults)
u.xrc_traffic(self.client, self.server)
@u.requires_huge_pages()
def test_odp_rc_huge_traffic(self):
self.force_page_faults = False
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
is_huge=True)
u.traffic(**self.traffic_args)
@u.requires_huge_pages()
def test_odp_rc_huge_user_addr_traffic(self):
self.is_huge = True
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
is_huge=True)
u.traffic(**self.traffic_args)
def test_odp_sync_prefetch_rc_traffic(self):
for advice in [e._IBV_ADVISE_MR_ADVICE_PREFETCH,
e._IBV_ADVISE_MR_ADVICE_PREFETCH_WRITE]:
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
use_mr_prefetch='sync', prefetch_advice=advice)
u.traffic(**self.traffic_args)
def test_odp_async_prefetch_rc_traffic(self):
for advice in [e._IBV_ADVISE_MR_ADVICE_PREFETCH,
e._IBV_ADVISE_MR_ADVICE_PREFETCH_WRITE]:
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
use_mr_prefetch='async', prefetch_advice=advice)
u.traffic(**self.traffic_args)
def test_odp_implicit_sync_prefetch_rc_traffic(self):
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
use_mr_prefetch='sync', is_implicit=True)
u.traffic(**self.traffic_args)
def test_odp_implicit_async_prefetch_rc_traffic(self):
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
use_mr_prefetch='async', is_implicit=True)
u.traffic(**self.traffic_args)
def test_odp_prefetch_sync_no_page_fault_rc_traffic(self):
prefetch_advice = e._IBV_ADVISE_MR_ADVICE_PREFETCH_NO_FAULT
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
use_mr_prefetch='sync', prefetch_advice=prefetch_advice)
u.traffic(**self.traffic_args)
def test_odp_prefetch_async_no_page_fault_rc_traffic(self):
prefetch_advice = e._IBV_ADVISE_MR_ADVICE_PREFETCH_NO_FAULT
self.create_players(OdpRC, request_user_addr=self.force_page_faults,
use_mr_prefetch='async', prefetch_advice=prefetch_advice)
u.traffic(**self.traffic_args)