qed: Inform qedi the number of possible CQs
Now that management firmware is capable of telling us the number of CQs
available for a given PF, qed needs to communicate the number to qedi
so it would know have many to use.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iscsi.c b/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
index 38273f4..417691c 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
@@ -181,6 +181,15 @@ qed_sp_iscsi_func_start(struct qed_hwfn *p_hwfn,
p_params = &p_hwfn->pf_params.iscsi_pf_params;
p_queue = &p_init->q_params;
+ /* Sanity */
+ if (p_params->num_queues > p_hwfn->hw_info.feat_num[QED_ISCSI_CQ]) {
+ DP_ERR(p_hwfn,
+ "Cannot satisfy CQ amount. Queues requested %d, CQs available %d. Aborting function start\n",
+ p_params->num_queues,
+ p_hwfn->hw_info.resc_num[QED_ISCSI_CQ]);
+ return -EINVAL;
+ }
+
SET_FIELD(p_init->hdr.flags,
ISCSI_SLOW_PATH_HDR_LAYER_CODE, ISCSI_SLOW_PATH_LAYER_CODE);
p_init->hdr.op_code = ISCSI_RAMROD_CMD_ID_INIT_FUNC;
@@ -1012,6 +1021,8 @@ static int qed_fill_iscsi_dev_info(struct qed_dev *cdev,
info->secondary_bdq_rq_addr =
qed_iscsi_get_secondary_bdq_prod(hwfn, BDQ_ID_RQ);
+ info->num_cqs = FEAT_NUM(hwfn, QED_ISCSI_CQ);
+
return rc;
}