diff options
| author | Henry Orosco | 2016-11-10 04:30:28 +0100 |
|---|---|---|
| committer | Doug Ledford | 2016-12-05 22:09:35 +0100 |
| commit | 85a87c90ee90217da1b05a77bbb47ebe31a2f124 (patch) | |
| tree | bae620dd58d1f85d924cd4c64cca04e0d3188453 /drivers/infiniband/hw/i40iw/i40iw_main.c | |
| parent | i40iw: Optimize inline data copy (diff) | |
| download | kernel-qcow2-linux-85a87c90ee90217da1b05a77bbb47ebe31a2f124.tar.gz kernel-qcow2-linux-85a87c90ee90217da1b05a77bbb47ebe31a2f124.tar.xz kernel-qcow2-linux-85a87c90ee90217da1b05a77bbb47ebe31a2f124.zip | |
i40iw: Query device accounts for internal rsrc
Some resources are consumed internally and not available to the user.
After hw is initialized, figure out how many resources are consumed
and subtract those numbers from the initial max device capability in
i40iw_query_device().
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_main.c')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_main.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c index db9fd31b5c72..9d3b9ee20ba7 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_main.c +++ b/drivers/infiniband/hw/i40iw/i40iw_main.c @@ -1558,6 +1558,20 @@ exit: } /** + * i40iw_get_used_rsrc - determine resources used internally + * @iwdev: iwarp device + * + * Called after internal allocations + */ +static void i40iw_get_used_rsrc(struct i40iw_device *iwdev) +{ + iwdev->used_pds = find_next_zero_bit(iwdev->allocated_pds, iwdev->max_pd, 0); + iwdev->used_qps = find_next_zero_bit(iwdev->allocated_qps, iwdev->max_qp, 0); + iwdev->used_cqs = find_next_zero_bit(iwdev->allocated_cqs, iwdev->max_cq, 0); + iwdev->used_mrs = find_next_zero_bit(iwdev->allocated_mrs, iwdev->max_mr, 0); +} + +/** * i40iw_open - client interface operation open for iwarp/uda device * @ldev: lan device information * @client: iwarp client information, provided during registration @@ -1629,6 +1643,7 @@ static int i40iw_open(struct i40e_info *ldev, struct i40e_client *client) status = i40iw_initialize_hw_resources(iwdev); if (status) break; + i40iw_get_used_rsrc(iwdev); dev->ccq_ops->ccq_arm(dev->ccq); status = i40iw_hmc_init_pble(&iwdev->sc_dev, iwdev->pble_rsrc); if (status) |