diff options
| author | Mustafa Ismail <mustafa.ismail@intel.com> | 2016-11-30 23:59:26 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-12-06 00:09:40 +0300 |
| commit | d59659340c61e777208524f77c268fe6edc6fe37 (patch) | |
| tree | 993c3c1da535fb679f35b72d6bd4efa183ea475d /drivers/infiniband/hw/i40iw/i40iw_utils.c | |
| parent | f26c7c83395b72f30d111f4e3adb3437c0a30b77 (diff) | |
| download | linux-d59659340c61e777208524f77c268fe6edc6fe37.tar.xz | |
i40iw: Add missing cleanup on device close
On i40iw device close, disconnect all connected QPs by moving
them to error state; and block further QPs, PDs and CQs from
being created. Additionally, make sure all resources have been
freed before deallocating the ibdev as part of the device close.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_utils.c')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_utils.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index 4e880e8689eb..58151280828d 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -392,6 +392,7 @@ static void i40iw_free_qp(struct i40iw_cqp_request *cqp_request, u32 num) i40iw_rem_pdusecount(iwqp->iwpd, iwdev); i40iw_free_qp_resources(iwdev, iwqp, qp_num); + i40iw_rem_devusecount(iwdev); } /** @@ -459,6 +460,26 @@ enum i40iw_status_code i40iw_handle_cqp_op(struct i40iw_device *iwdev, } /** + * i40iw_add_devusecount - add dev refcount + * @iwdev: dev for refcount + */ +void i40iw_add_devusecount(struct i40iw_device *iwdev) +{ + atomic64_inc(&iwdev->use_count); +} + +/** + * i40iw_rem_devusecount - decrement refcount for dev + * @iwdev: device + */ +void i40iw_rem_devusecount(struct i40iw_device *iwdev) +{ + if (!atomic64_dec_and_test(&iwdev->use_count)) + return; + wake_up(&iwdev->close_wq); +} + +/** * i40iw_add_pdusecount - add pd refcount * @iwpd: pd for refcount */ |