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d0899892ed
linux/drivers/infiniband/core
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Jason Gunthorpe d0899892ed RDMA/device: Provide APIs from the core code to help unregistration 
These APIs are intended to support drivers that exist outside the usual
driver core probe()/remove() callbacks. Normally the driver core will
prevent remove() from running concurrently with probe(), once this safety
is lost drivers need more support to get the locking and lifetimes right.

ib_unregister_driver() is intended to be used during module_exit of a
driver using these APIs. It unregisters all the associated ib_devices.

ib_unregister_device_and_put() is to be used by a driver-specific removal
function (ie removal by name, removal from a netdev notifier, removal from
netlink)

ib_unregister_queued() is to be used from netdev notifier chains where
RTNL is held.

The locking is tricky here since once things become async it is possible
to race unregister with registration. This is largely solved by relying on
the registration refcount, unregistration will only ever work on something
that has a positive registration refcount - and then an unregistration
mutex serializes all competing unregistrations of the same device.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-02-19 20:52:18 -07:00
..
addr.c RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
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/device: Add ib_device_set_netdev() as an alternative to get_netdev 2019-02-19 20:52:18 -07:00
cgroup.c IB/core: Simplify rdma cgroup registration 2019-01-18 13:43:10 -07:00
cm_msgs.h IB/cm: Remove unused and erroneous msg sequence encoding 2018-07-09 11:39:28 -06:00
cm.c IB/cm: Use struct_size() in kmalloc() 2019-01-07 11:43:03 -07:00
cma_configfs.c RDMA/cma: Move cma module specific functions to cma_priv.h 2018-11-22 11:57:33 -07:00
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 RDMA: Add and use rdma_for_each_port 2019-02-19 10:13:39 -07:00
core_priv.h RDMA/device: Add ib_device_set_netdev() as an alternative to get_netdev 2019-02-19 20:52:18 -07:00
cq.c RDMA/restrack: Resource-tracker should not use uobject pointers 2018-12-18 15:38:26 -07:00
device.c RDMA/device: Provide APIs from the core code to help unregistration 2019-02-19 20:52:18 -07:00
fmr_pool.c RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
iwcm.c RDMA/IWPM: Support no port mapping requirements 2019-02-04 16:26:02 -07:00
iwcm.h
iwpm_msg.c RDMA/iwpm: move kdoc comments to functions 2019-02-05 15:40:41 -07:00
iwpm_util.c RDMA/iwpm: Remove set but not used variable 'msg_seq' 2019-02-14 14:47:39 -07:00
iwpm_util.h RDMA/IWPM: Support no port mapping requirements 2019-02-04 16:26:02 -07:00
mad_priv.h RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
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 RDMA: Add and use rdma_for_each_port 2019-02-19 10:13:39 -07:00
Makefile IB/{core,uverbs}: Move ib_umem_xxx functions from ib_core to ib_uverbs 2019-01-10 17:06:44 -07:00
mr_pool.c
multicast.c IB: Make ib_init_ah_from_mcmember set sgid_attr 2018-06-25 14:19:56 -06:00
netlink.c RDMA/cma: Remove CM_ID statistics provided by rdma-cm module 2019-02-05 15:30:33 -07:00
nldev.c RDMA/device: Add ib_device_set_netdev() as an alternative to get_netdev 2019-02-19 20:52:18 -07:00
opa_smi.h RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
packer.c
rdma_core.c IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows 2019-02-15 11:16:21 -07:00
rdma_core.h RDMA/uverbs: Mark ioctl responses with UVERBS_ATTR_F_VALID_OUTPUT 2019-01-14 14:02:22 -07:00
restrack.c RDMA/nldev: Connect QP number to .doit callback 2019-02-19 10:13:39 -07:00
restrack.h RDMA/restrack: Prepare restrack_root to addition of extra fields per-type 2019-02-19 10:13:38 -07:00
roce_gid_mgmt.c IB/core: Fix oops in netdev_next_upper_dev_rcu() 2018-12-12 12:14:49 -05:00
rw.c IB/core: Remove ib_sg_dma_address() and ib_sg_dma_len() 2019-02-04 14:34:07 -07:00
sa_query.c IB/core: Use struct_size() in kzalloc() 2019-01-07 11:59:33 -07:00
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: Add and use rdma_for_each_port 2019-02-19 10:13:39 -07:00
ucm.c RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
ucma.c IB/cma: Define option to set ack timeout and pack tos_set 2019-02-08 16:14:21 -07:00
ud_header.c
umem_odp.c Linux 5.0-rc5 2019-02-04 14:53:42 -07:00
umem.c IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows 2019-02-15 11:16:21 -07:00
user_mad.c RDMA: Add and use rdma_for_each_port 2019-02-19 10:13:39 -07:00
uverbs_cmd.c RDMA/uverbs: Fix an error flow in ib_uverbs_poll_cq 2019-02-15 15:54:46 -07:00
uverbs_ioctl.c IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows 2019-02-15 11:16:21 -07:00
uverbs_main.c IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows 2019-02-15 11:16:21 -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 RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
uverbs_std_types_cq.c RDMA/restrack: Resource-tracker should not use uobject pointers 2018-12-18 15:38:26 -07:00
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 RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
uverbs_std_types_flow_action.c RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
uverbs_std_types_mr.c IB/uverbs: Signedness bug in UVERBS_HANDLER() 2018-12-22 16:07:13 -07:00
uverbs_std_types.c RDMA: Handle PD allocations by IB/core 2019-02-08 16:51:04 -07:00
uverbs_uapi.c IB/mlx5: Introduce MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD 2019-01-29 13:32:43 -07:00
uverbs.h IB/core: Move query port to ioctl 2018-12-20 15:18:24 -07:00
verbs.c RDMA/device: Add ib_device_set_netdev() as an alternative to get_netdev 2019-02-19 20:52:18 -07:00