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00bd1439f4
linux/drivers/infiniband/core
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Yamin Friedman 00bd1439f4 RDMA/rw: Support threshold for registration vs scattering to local pages 
If there are more scatter entries than the recommended limit provided by
the ib device, UMR registration is used. This will provide optimal
performance when performing large RDMA READs over devices that advertise
the threshold capability.

With ConnectX-5 running NVMeoF RDMA with FIO single QP 128KB writes:
Without use of cap: 70Gb/sec
With use of cap: 84Gb/sec

Link: https://lore.kernel.org/r/20191007135933.12483-3-leon@kernel.org
Signed-off-by: Yamin Friedman <yaminf@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-10-22 14:26:52 -03:00
..
addr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-28 17:47:33 -07:00
agent.c RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
agent.h
cache.c RDMA/core: Annotate destroy of mutex to ensure that it is released as unlocked 2019-07-25 12:07:14 -03:00
cgroup.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
cm_msgs.h RDMA: Use __packed annotation instead of __attribute__ ((packed)) 2019-03-25 21:14:12 -03:00
cm.c IB/cm: Reduce dependency on gid attribute ndev check 2019-05-03 11:10:02 -03:00
cma_configfs.c RDMA/core: Annotate destroy of mutex to ensure that it is released as unlocked 2019-07-25 12:07:14 -03:00
cma_priv.h IB/cma: Define option to set ack timeout and pack tos_set 2019-02-08 16:14:21 -07:00
cma.c Merge tag 'v5.3-rc8' into rdma.git for-next 2019-09-13 16:59:51 -03:00
core_priv.h Merge branch 'odp_fixes' into rdma.git for-next 2019-08-21 14:10:36 -03:00
counters.c Merge tag 'v5.3-rc8' into rdma.git for-next 2019-09-13 16:59:51 -03:00
cq.c rdma: Enable ib_alloc_cq to spread work over a device's comp_vectors 2019-08-05 11:50:32 -04:00
device.c Merge branch 'odp_fixes' into rdma.git for-next 2019-08-21 14:10:36 -03:00
fmr_pool.c RDMA: Delete DEBUG code 2019-08-20 13:27:53 -04:00
iwcm.c RDMA: Get rid of iw_cm_verbs 2019-05-03 10:56:56 -03:00
iwcm.h
iwpm_msg.c RDMA/iwpm: Delete unnecessary checks before the macro call "dev_kfree_skb" 2019-08-27 13:09:23 -03:00
iwpm_util.c RDMA/iwpm: Delete unnecessary checks before the macro call "dev_kfree_skb" 2019-08-27 13:09:23 -03:00
iwpm_util.h RDMA/IWPM: Support no port mapping requirements 2019-02-04 16:26:02 -07:00
mad_priv.h RDMA: Use __packed annotation instead of __attribute__ ((packed)) 2019-03-25 21:14:12 -03:00
mad_rmpp.c RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
mad_rmpp.h
mad.c IB/mad: Fix use-after-free in ib mad completion handling 2019-08-01 11:58:54 -04:00
Makefile RDMA/counter: Add set/clear per-port auto mode support 2019-07-05 10:22:54 -03:00
mr_pool.c Linux 5.2-rc6 2019-06-28 21:18:23 -03:00
multicast.c IB/core, ipoib: Do not overreact to SM LID change event 2019-05-07 16:06:03 -03:00
netlink.c RDMA/core: fix spelling mistake "Nelink" -> "Netlink" 2019-07-31 11:54:33 -04:00
nldev.c Merge tag 'v5.3-rc8' into rdma.git for-next 2019-09-13 16:59:51 -03:00
opa_smi.h RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
packer.c
rdma_core.c uverbs: Convert idr to XArray 2019-04-25 12:27:11 -03:00
rdma_core.h RDMA/core: Clear out the udata before error unwind 2019-05-27 14:35:26 -03:00
restrack.c RDMA/restrack: Rewrite PID namespace check to be reliable 2019-08-20 13:44:44 -04:00
restrack.h RDMA/restrack: Make is_visible_in_pid_ns() as an API 2019-07-05 10:22:54 -03:00
roce_gid_mgmt.c drivers: use in_dev_for_each_ifa_rtnl/rcu 2019-06-02 18:06:26 -07:00
rw.c RDMA/rw: Support threshold for registration vs scattering to local pages 2019-10-22 14:26:52 -03:00
sa_query.c RDMA/core: Support netlink commands in non init_net net namespaces 2019-07-25 14:12:41 -03:00
sa.h RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
security.c RDMA/device: Consolidate ib_device per_port data into one place 2019-02-19 10:13:39 -07:00
smi.c
smi.h RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
sysfs.c RDMA: Introduce ib_port_phys_state enum 2019-08-12 10:18:52 -04:00
ucma.c RDMA: Report available cdevs through RDMA_NLDEV_CMD_GET_CHARDEV 2019-06-18 22:44:08 -04:00
ud_header.c
umem_odp.c RDMA subsystem updates for 5.4 2019-09-21 10:26:24 -07:00
umem.c mm/gup: add make_dirty arg to put_user_pages_dirty_lock() 2019-09-24 15:54:08 -07:00
user_mad.c Merge branch 'odp_fixes' into rdma.git for-next 2019-08-21 14:10:36 -03:00
uverbs_cmd.c RDMA subsystem updates for 5.4 2019-09-21 10:26:24 -07:00
uverbs_ioctl.c mm: security: introduce init_on_alloc=1 and init_on_free=1 boot options 2019-07-12 11:05:46 -07:00
uverbs_main.c RDMA subsystem updates for 5.4 2019-09-21 10:26:24 -07:00
uverbs_marshall.c IB/cm: Replace members of sa_path_rec with 'struct sgid_attr *' 2018-06-25 14:19:57 -06:00
uverbs_std_types_counters.c IB: When attrs.udata/ufile is available use that instead of uobject 2019-04-08 13:05:25 -03:00
uverbs_std_types_cq.c Linux 5.2-rc6 2019-06-28 21:18:23 -03:00
uverbs_std_types_device.c IB/uverbs: Fix ioctl query port to consider device disassociation 2019-01-25 11:58:06 -07:00
uverbs_std_types_dm.c IB: When attrs.udata/ufile is available use that instead of uobject 2019-04-08 13:05:25 -03:00
uverbs_std_types_flow_action.c IB: When attrs.udata/ufile is available use that instead of uobject 2019-04-08 13:05:25 -03:00
uverbs_std_types_mr.c Linux 5.2-rc6 2019-06-28 21:18:23 -03:00
uverbs_std_types.c IB: Remove 'uobject->context' dependency in object destroy APIs 2019-04-01 14:59:35 -03:00
uverbs_uapi.c RDMA: Move driver_id into struct ib_device_ops 2019-06-10 16:56:02 -03:00
uverbs.h uverbs: Convert idr to XArray 2019-04-25 12:27:11 -03:00
verbs.c RDMA/core: Annotate destroy of mutex to ensure that it is released as unlocked 2019-07-25 12:07:14 -03:00