diff options
| author | Yishai Hadas <yishaih@mellanox.com> | 2020-05-19 10:27:07 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-21 20:34:53 -0300 |
| commit | cda9ee494248b890973f5d31cf7851c0d21755b9 (patch) | |
| tree | 7fc742f2de7f1dba4a7a101fa4145a6bfcb71cd9 /drivers/infiniband/core/uverbs_std_types_cq.c | |
| parent | 98a8890f73489416a1ea49a644565a244d3f729a (diff) | |
| download | linux-cda9ee494248b890973f5d31cf7851c0d21755b9.tar.bz2 | |
IB/uverbs: Extend CQ to get its own asynchronous event FD
Extend CQ to get its own asynchronous event FD.
The event FD is an optional attribute, in case wasn't given the ufile
event FD will be used.
Link: https://lore.kernel.org/r/20200519072711.257271-4-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_cq.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types_cq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types_cq.c b/drivers/infiniband/core/uverbs_std_types_cq.c index be534b0af4f8..5dce2c7cc323 100644 --- a/drivers/infiniband/core/uverbs_std_types_cq.c +++ b/drivers/infiniband/core/uverbs_std_types_cq.c @@ -100,9 +100,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)( uverbs_uobject_get(ev_file_uobj); } - obj->uevent.event_file = READ_ONCE(attrs->ufile->default_async_file); - if (obj->uevent.event_file) - uverbs_uobject_get(&obj->uevent.event_file->uobj); + obj->uevent.event_file = ib_uverbs_get_async_event( + attrs, UVERBS_ATTR_CREATE_CQ_EVENT_FD); if (attr.comp_vector >= attrs->ufile->device->num_comp_vectors) { ret = -EINVAL; @@ -173,6 +172,10 @@ DECLARE_UVERBS_NAMED_METHOD( UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_CREATE_CQ_RESP_CQE, UVERBS_ATTR_TYPE(u32), UA_MANDATORY), + UVERBS_ATTR_FD(UVERBS_ATTR_CREATE_CQ_EVENT_FD, + UVERBS_OBJECT_ASYNC_EVENT, + UVERBS_ACCESS_READ, + UA_OPTIONAL), UVERBS_ATTR_UHW()); static int UVERBS_HANDLER(UVERBS_METHOD_CQ_DESTROY)( |