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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>
This commit is contained in:
Mintz, Yuval 2017-04-06 15:58:33 +03:00 committed by David S. Miller
parent 3ddc48dc19
commit 08737a3fa3
4 changed files with 21 additions and 2 deletions
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3
drivers/net/ethernet/qlogic/qed/qed.h
View File

@ -225,8 +225,9 @@ enum QED_FEATURE {
QED_PF_L2_QUE,
QED_VF,
QED_RDMA_CNQ,
QED_VF_L2_QUE,
QED_ISCSI_CQ,
QED_FCOE_CQ,
QED_VF_L2_QUE,
QED_MAX_FEATURES,
};

7
drivers/net/ethernet/qlogic/qed/qed_dev.c
View File

@ -2045,12 +2045,17 @@ static void qed_hw_set_feat(struct qed_hwfn *p_hwfn)
QED_VF_L2_QUE));
}
if (p_hwfn->hw_info.personality == QED_PCI_ISCSI)
feat_num[QED_ISCSI_CQ] = min_t(u32, RESC_NUM(p_hwfn, QED_SB),
RESC_NUM(p_hwfn,
QED_CMDQS_CQS));
DP_VERBOSE(p_hwfn,
NETIF_MSG_PROBE,
"#PF_L2_QUEUES=%d VF_L2_QUEUES=%d #ROCE_CNQ=%d #SBS=%d\n",
"#PF_L2_QUEUES=%d VF_L2_QUEUES=%d #ROCE_CNQ=%d ISCSI_CQ=%d #SBS=%d\n",
(int)FEAT_NUM(p_hwfn, QED_PF_L2_QUE),
(int)FEAT_NUM(p_hwfn, QED_VF_L2_QUE),
(int)FEAT_NUM(p_hwfn, QED_RDMA_CNQ),
(int)FEAT_NUM(p_hwfn, QED_ISCSI_CQ),
RESC_NUM(p_hwfn, QED_SB));
}

11
drivers/net/ethernet/qlogic/qed/qed_iscsi.c
View File

@ -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;
}

2
include/linux/qed/qed_iscsi_if.h
View File

@ -67,6 +67,8 @@ struct qed_dev_iscsi_info {
void __iomem *primary_dbq_rq_addr;
void __iomem *secondary_bdq_rq_addr;
u8 num_cqs;
};
struct qed_iscsi_id_params {