diff options
| author |   Yishai Hadas <yishaih@mellanox.com> | 2020-05-19 10:27:11 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2020-05-21 20:39:36 -0300 |
| commit | 6d1e7ba241e990b5c6ba7fdaa03d466f852f3c9e (patch) | |
| tree | acbc39a3294c373866e473cb2f5581608654392b /drivers/infiniband/core/uverbs_std_types.c | |
| parent | IB/uverbs: Introduce create/destroy WQ commands over ioctl (diff) | |
| download | linux-dev-6d1e7ba241e990b5c6ba7fdaa03d466f852f3c9e.tar.xz linux-dev-6d1e7ba241e990b5c6ba7fdaa03d466f852f3c9e.zip | |
IB/uverbs: Introduce create/destroy QP commands over ioctl
Introduce create/destroy QP commands over the ioctl interface to let it
be extended to get an asynchronous event FD.
Link: https://lore.kernel.org/r/20200519072711.257271-8-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs_std_types.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c index c328d5194076..08c39cfb1bd9 100644 --- a/drivers/infiniband/core/uverbs_std_types.c +++ b/drivers/infiniband/core/uverbs_std_types.c @@ -75,40 +75,6 @@ static int uverbs_free_mw(struct ib_uobject *uobject, return uverbs_dealloc_mw((struct ib_mw *)uobject->object); } -static int uverbs_free_qp(struct ib_uobject *uobject, - enum rdma_remove_reason why, - struct uverbs_attr_bundle *attrs) -{ - struct ib_qp *qp = uobject->object; - struct ib_uqp_object *uqp = - container_of(uobject, struct ib_uqp_object, uevent.uobject); - int ret; - - /* - * If this is a user triggered destroy then do not allow destruction - * until the user cleans up all the mcast bindings. Unlike in other - * places we forcibly clean up the mcast attachments for !DESTROY - * because the mcast attaches are not ubojects and will not be - * destroyed by anything else during cleanup processing. - */ - if (why == RDMA_REMOVE_DESTROY) { - if (!list_empty(&uqp->mcast_list)) - return -EBUSY; - } else if (qp == qp->real_qp) { - ib_uverbs_detach_umcast(qp, uqp); - } - - ret = ib_destroy_qp_user(qp, &attrs->driver_udata); - if (ib_is_destroy_retryable(ret, why, uobject)) - return ret; - - if (uqp->uxrcd) - atomic_dec(&uqp->uxrcd->refcnt); - - ib_uverbs_release_uevent(&uqp->uevent); - return ret; -} - static int uverbs_free_rwq_ind_tbl(struct ib_uobject *uobject, enum rdma_remove_reason why, struct uverbs_attr_bundle *attrs) @@ -210,10 +176,6 @@ DECLARE_UVERBS_NAMED_OBJECT( "[infinibandevent]", O_RDONLY)); -DECLARE_UVERBS_NAMED_OBJECT( - UVERBS_OBJECT_QP, - UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uqp_object), uverbs_free_qp)); - DECLARE_UVERBS_NAMED_METHOD_DESTROY( UVERBS_METHOD_MW_DESTROY, UVERBS_ATTR_IDR(UVERBS_ATTR_DESTROY_MW_HANDLE, @@ -289,8 +251,6 @@ const struct uapi_definition uverbs_def_obj_intf[] = { UAPI_DEF_OBJ_NEEDS_FN(dealloc_pd)), UAPI_DEF_CHAIN_OBJ_TREE_NAMED(UVERBS_OBJECT_COMP_CHANNEL, UAPI_DEF_OBJ_NEEDS_FN(dealloc_pd)), - UAPI_DEF_CHAIN_OBJ_TREE_NAMED(UVERBS_OBJECT_QP, - UAPI_DEF_OBJ_NEEDS_FN(destroy_qp)), UAPI_DEF_CHAIN_OBJ_TREE_NAMED(UVERBS_OBJECT_AH, UAPI_DEF_OBJ_NEEDS_FN(destroy_ah)), UAPI_DEF_CHAIN_OBJ_TREE_NAMED(UVERBS_OBJECT_MW, |