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提交 99441ab5 编写于 作者: X Xi Wang 提交者： Jason Gunthorpe
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RDMA/hns: optimize the duplicated code for qpc setting flow 

Currently, more than 20 lines of duplicate code exist in function
'modify_qp_init_to_init' and function 'modify_qp_reset_to_init', which
affects the readability of the code. Consolidate them.

Link: https://lore.kernel.org/r/1562593285-8037-6-git-send-email-oulijun@huawei.comSigned-off-by: NXi Wang <wangxi11@huawei.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>
上级 947441ea
隐藏空白更改
内联 并排
Showing with 38 addition and 58 deletion
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
浏览文件 @ 99441ab5
......@@ -3118,6 +3118,43 @@ static void set_access_flags(struct hns_roce_qp *hr_qp,
roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, 0);
}
static void set_qpc_wqe_cnt(struct hns_roce_qp *hr_qp,
struct hns_roce_v2_qp_context *context,
struct hns_roce_v2_qp_context *qpc_mask)
{
if (hr_qp->ibqp.qp_type == IB_QPT_GSI)
roce_set_field(context->byte_4_sqpn_tst,
V2_QPC_BYTE_4_SGE_SHIFT_M,
V2_QPC_BYTE_4_SGE_SHIFT_S,
ilog2((unsigned int)hr_qp->sge.sge_cnt));
else
roce_set_field(context->byte_4_sqpn_tst,
V2_QPC_BYTE_4_SGE_SHIFT_M,
V2_QPC_BYTE_4_SGE_SHIFT_S,
hr_qp->sq.max_gs >
HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE ?
ilog2((unsigned int)hr_qp->sge.sge_cnt) : 0);
roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SGE_SHIFT_M,
V2_QPC_BYTE_4_SGE_SHIFT_S, 0);
roce_set_field(context->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S,
ilog2((unsigned int)hr_qp->sq.wqe_cnt));
roce_set_field(qpc_mask->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S, 0);
roce_set_field(context->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S,
(hr_qp->ibqp.qp_type == IB_QPT_XRC_INI ||
hr_qp->ibqp.qp_type == IB_QPT_XRC_TGT ||
hr_qp->ibqp.srq) ? 0 :
ilog2((unsigned int)hr_qp->rq.wqe_cnt));
roce_set_field(qpc_mask->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S, 0);
}
static void modify_qp_reset_to_init(struct ib_qp *ibqp,
const struct ib_qp_attr *attr,
int attr_mask,
......@@ -3138,21 +3175,6 @@ static void modify_qp_reset_to_init(struct ib_qp *ibqp,
roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_TST_M,
V2_QPC_BYTE_4_TST_S, 0);
if (ibqp->qp_type == IB_QPT_GSI)
roce_set_field(context->byte_4_sqpn_tst,
V2_QPC_BYTE_4_SGE_SHIFT_M,
V2_QPC_BYTE_4_SGE_SHIFT_S,
ilog2((unsigned int)hr_qp->sge.sge_cnt));
else
roce_set_field(context->byte_4_sqpn_tst,
V2_QPC_BYTE_4_SGE_SHIFT_M,
V2_QPC_BYTE_4_SGE_SHIFT_S,
hr_qp->sq.max_gs > 2 ?
ilog2((unsigned int)hr_qp->sge.sge_cnt) : 0);
roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SGE_SHIFT_M,
V2_QPC_BYTE_4_SGE_SHIFT_S, 0);
roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M,
V2_QPC_BYTE_4_SQPN_S, hr_qp->qpn);
roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M,
......@@ -3168,19 +3190,7 @@ static void modify_qp_reset_to_init(struct ib_qp *ibqp,
roce_set_field(qpc_mask->byte_20_smac_sgid_idx, V2_QPC_BYTE_20_RQWS_M,
V2_QPC_BYTE_20_RQWS_S, 0);
roce_set_field(context->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S,
ilog2((unsigned int)hr_qp->sq.wqe_cnt));
roce_set_field(qpc_mask->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S, 0);
roce_set_field(context->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S,
(hr_qp->ibqp.qp_type == IB_QPT_XRC_INI ||
hr_qp->ibqp.qp_type == IB_QPT_XRC_TGT || ibqp->srq) ? 0 :
ilog2((unsigned int)hr_qp->rq.wqe_cnt));
roce_set_field(qpc_mask->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S, 0);
set_qpc_wqe_cnt(hr_qp, context, qpc_mask);
/* No VLAN need to set 0xFFF */
roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_VLAN_ID_M,
......@@ -3456,22 +3466,6 @@ static void modify_qp_init_to_init(struct ib_qp *ibqp,
roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_TST_M,
V2_QPC_BYTE_4_TST_S, 0);
if (ibqp->qp_type == IB_QPT_GSI)
roce_set_field(context->byte_4_sqpn_tst,
V2_QPC_BYTE_4_SGE_SHIFT_M,
V2_QPC_BYTE_4_SGE_SHIFT_S,
ilog2((unsigned int)hr_qp->sge.sge_cnt));
else
roce_set_field(context->byte_4_sqpn_tst,
V2_QPC_BYTE_4_SGE_SHIFT_M,
V2_QPC_BYTE_4_SGE_SHIFT_S,
hr_qp->sq.max_gs >
HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE ?
ilog2((unsigned int)hr_qp->sge.sge_cnt) : 0);
roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SGE_SHIFT_M,
V2_QPC_BYTE_4_SGE_SHIFT_S, 0);
if (attr_mask & IB_QP_ACCESS_FLAGS) {
roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S,
!!(attr->qp_access_flags & IB_ACCESS_REMOTE_READ));
......@@ -3506,20 +3500,6 @@ static void modify_qp_init_to_init(struct ib_qp *ibqp,
0);
}
roce_set_field(context->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S,
ilog2((unsigned int)hr_qp->sq.wqe_cnt));
roce_set_field(qpc_mask->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S, 0);
roce_set_field(context->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S,
(hr_qp->ibqp.qp_type == IB_QPT_XRC_INI ||
hr_qp->ibqp.qp_type == IB_QPT_XRC_TGT || ibqp->srq) ? 0 :
ilog2((unsigned int)hr_qp->rq.wqe_cnt));
roce_set_field(qpc_mask->byte_20_smac_sgid_idx,
V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S, 0);
roce_set_field(context->byte_16_buf_ba_pg_sz, V2_QPC_BYTE_16_PD_M,
V2_QPC_BYTE_16_PD_S, to_hr_pd(ibqp->pd)->pdn);
roce_set_field(qpc_mask->byte_16_buf_ba_pg_sz, V2_QPC_BYTE_16_PD_M,
......
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