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IB/hns: Add the interface for querying QP1 

In old code, It only added the interface for querying non-specific
QP. This patch mainly adds an interface for querying QP1.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta  <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Lijun Ou 2016-11-23 19:40:59 +00:00 committed by Doug Ledford
parent e37a79e5d4
commit 9eefa953f4
2 changed files with 86 additions and 3 deletions
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83
drivers/infiniband/hw/hns/hns_roce_hw_v1.c
View File

@ -2630,8 +2630,78 @@ static int hns_roce_v1_query_qpc(struct hns_roce_dev *hr_dev,
return ret;
}
int hns_roce_v1_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr)
static int hns_roce_v1_q_sqp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
int qp_attr_mask,
struct ib_qp_init_attr *qp_init_attr)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
struct hns_roce_sqp_context context;
u32 addr;
mutex_lock(&hr_qp->mutex);
if (hr_qp->state == IB_QPS_RESET) {
qp_attr->qp_state = IB_QPS_RESET;
goto done;
}
addr = ROCEE_QP1C_CFG0_0_REG +
hr_qp->port * sizeof(struct hns_roce_sqp_context);
context.qp1c_bytes_4 = roce_read(hr_dev, addr);
context.sq_rq_bt_l = roce_read(hr_dev, addr + 1);
context.qp1c_bytes_12 = roce_read(hr_dev, addr + 2);
context.qp1c_bytes_16 = roce_read(hr_dev, addr + 3);
context.qp1c_bytes_20 = roce_read(hr_dev, addr + 4);
context.cur_rq_wqe_ba_l = roce_read(hr_dev, addr + 5);
context.qp1c_bytes_28 = roce_read(hr_dev, addr + 6);
context.qp1c_bytes_32 = roce_read(hr_dev, addr + 7);
context.cur_sq_wqe_ba_l = roce_read(hr_dev, addr + 8);
context.qp1c_bytes_40 = roce_read(hr_dev, addr + 9);
hr_qp->state = roce_get_field(context.qp1c_bytes_4,
QP1C_BYTES_4_QP_STATE_M,
QP1C_BYTES_4_QP_STATE_S);
qp_attr->qp_state = hr_qp->state;
qp_attr->path_mtu = IB_MTU_256;
qp_attr->path_mig_state = IB_MIG_ARMED;
qp_attr->qkey = QKEY_VAL;
qp_attr->rq_psn = 0;
qp_attr->sq_psn = 0;
qp_attr->dest_qp_num = 1;
qp_attr->qp_access_flags = 6;
qp_attr->pkey_index = roce_get_field(context.qp1c_bytes_20,
QP1C_BYTES_20_PKEY_IDX_M,
QP1C_BYTES_20_PKEY_IDX_S);
qp_attr->port_num = hr_qp->port + 1;
qp_attr->sq_draining = 0;
qp_attr->max_rd_atomic = 0;
qp_attr->max_dest_rd_atomic = 0;
qp_attr->min_rnr_timer = 0;
qp_attr->timeout = 0;
qp_attr->retry_cnt = 0;
qp_attr->rnr_retry = 0;
qp_attr->alt_timeout = 0;
done:
qp_attr->cur_qp_state = qp_attr->qp_state;
qp_attr->cap.max_recv_wr = hr_qp->rq.wqe_cnt;
qp_attr->cap.max_recv_sge = hr_qp->rq.max_gs;
qp_attr->cap.max_send_wr = hr_qp->sq.wqe_cnt;
qp_attr->cap.max_send_sge = hr_qp->sq.max_gs;
qp_attr->cap.max_inline_data = 0;
qp_init_attr->cap = qp_attr->cap;
qp_init_attr->create_flags = 0;
mutex_unlock(&hr_qp->mutex);
return 0;
}
static int hns_roce_v1_q_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
int qp_attr_mask,
struct ib_qp_init_attr *qp_init_attr)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
@ -2767,6 +2837,15 @@ out:
return ret;
}
int hns_roce_v1_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr)
{
struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
return hr_qp->doorbell_qpn <= 1 ?
hns_roce_v1_q_sqp(ibqp, qp_attr, qp_attr_mask, qp_init_attr) :
hns_roce_v1_q_qp(ibqp, qp_attr, qp_attr_mask, qp_init_attr);
}
static void hns_roce_v1_destroy_qp_common(struct hns_roce_dev *hr_dev,
struct hns_roce_qp *hr_qp,
int is_user)

6
drivers/infiniband/hw/hns/hns_roce_hw_v1.h
View File

@ -480,13 +480,17 @@ struct hns_roce_sqp_context {
u32 qp1c_bytes_12;
u32 qp1c_bytes_16;
u32 qp1c_bytes_20;
u32 qp1c_bytes_28;
u32 cur_rq_wqe_ba_l;
u32 qp1c_bytes_28;
u32 qp1c_bytes_32;
u32 cur_sq_wqe_ba_l;
u32 qp1c_bytes_40;
};
#define QP1C_BYTES_4_QP_STATE_S 0
#define QP1C_BYTES_4_QP_STATE_M \
(((1UL << 3) - 1) << QP1C_BYTES_4_QP_STATE_S)
#define QP1C_BYTES_4_SQ_WQE_SHIFT_S 8
#define QP1C_BYTES_4_SQ_WQE_SHIFT_M \
(((1UL << 4) - 1) << QP1C_BYTES_4_SQ_WQE_SHIFT_S)