diff options
| author | Yishai Hadas <yishaih@mellanox.com> | 2020-05-19 10:27:06 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-21 20:34:53 -0300 |
| commit | 98a8890f73489416a1ea49a644565a244d3f729a (patch) | |
| tree | 94465081e6b254806641ccdfb21ab393c4a2db20 /drivers/infiniband/core/uverbs_cmd.c | |
| parent | 0ac8903cbbe618d947b5815d6e0f7b044ee83aa3 (diff) | |
| download | linux-98a8890f73489416a1ea49a644565a244d3f729a.tar.bz2 | |
IB/uverbs: Refactor related objects to use their own asynchronous event FD
Refactor related objects to use their own asynchronous event FD.
The ufile event FD will be the default in case an object won't have its own
event FD.
Link: https://lore.kernel.org/r/20200519072711.257271-3-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_cmd.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 86c97221872d..4859ac0df17c 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1051,6 +1051,10 @@ static struct ib_ucq_object *create_cq(struct uverbs_attr_bundle *attrs, goto err_free; obj->uevent.uobject.object = cq; + obj->uevent.event_file = READ_ONCE(attrs->ufile->default_async_file); + if (obj->uevent.event_file) + uverbs_uobject_get(&obj->uevent.event_file->uobj); + memset(&resp, 0, sizeof resp); resp.base.cq_handle = obj->uevent.uobject.id; resp.base.cqe = cq->cqe; @@ -1067,6 +1071,8 @@ static struct ib_ucq_object *create_cq(struct uverbs_attr_bundle *attrs, return obj; err_cb: + if (obj->uevent.event_file) + uverbs_uobject_put(&obj->uevent.event_file->uobj); ib_destroy_cq_user(cq, uverbs_get_cleared_udata(attrs)); cq = NULL; err_free: @@ -1460,6 +1466,9 @@ static int create_qp(struct uverbs_attr_bundle *attrs, } obj->uevent.uobject.object = qp; + obj->uevent.event_file = READ_ONCE(attrs->ufile->default_async_file); + if (obj->uevent.event_file) + uverbs_uobject_get(&obj->uevent.event_file->uobj); memset(&resp, 0, sizeof resp); resp.base.qpn = qp->qp_num; @@ -1473,7 +1482,7 @@ static int create_qp(struct uverbs_attr_bundle *attrs, ret = uverbs_response(attrs, &resp, sizeof(resp)); if (ret) - goto err_cb; + goto err_uevent; if (xrcd) { obj->uxrcd = container_of(xrcd_uobj, struct ib_uxrcd_object, @@ -1498,6 +1507,9 @@ static int create_qp(struct uverbs_attr_bundle *attrs, rdma_alloc_commit_uobject(&obj->uevent.uobject, attrs); return 0; +err_uevent: + if (obj->uevent.event_file) + uverbs_uobject_put(&obj->uevent.event_file->uobj); err_cb: ib_destroy_qp_user(qp, uverbs_get_cleared_udata(attrs)); @@ -2975,6 +2987,9 @@ static int ib_uverbs_ex_create_wq(struct uverbs_attr_bundle *attrs) atomic_set(&wq->usecnt, 0); atomic_inc(&pd->usecnt); atomic_inc(&cq->usecnt); + obj->uevent.event_file = READ_ONCE(attrs->ufile->default_async_file); + if (obj->uevent.event_file) + uverbs_uobject_get(&obj->uevent.event_file->uobj); memset(&resp, 0, sizeof(resp)); resp.wq_handle = obj->uevent.uobject.id; @@ -2993,6 +3008,8 @@ static int ib_uverbs_ex_create_wq(struct uverbs_attr_bundle *attrs) return 0; err_copy: + if (obj->uevent.event_file) + uverbs_uobject_put(&obj->uevent.event_file->uobj); ib_destroy_wq(wq, uverbs_get_cleared_udata(attrs)); err_put_cq: rdma_lookup_put_uobject(&cq->uobject->uevent.uobject, @@ -3453,6 +3470,10 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs, } obj->uevent.uobject.object = srq; + obj->uevent.uobject.user_handle = cmd->user_handle; + obj->uevent.event_file = READ_ONCE(attrs->ufile->default_async_file); + if (obj->uevent.event_file) + uverbs_uobject_get(&obj->uevent.event_file->uobj); memset(&resp, 0, sizeof resp); resp.srq_handle = obj->uevent.uobject.id; @@ -3477,6 +3498,8 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs, return 0; err_copy: + if (obj->uevent.event_file) + uverbs_uobject_put(&obj->uevent.event_file->uobj); ib_destroy_srq_user(srq, uverbs_get_cleared_udata(attrs)); err_put_pd: uobj_put_obj_read(pd); |