1*4882a593Smuzhiyun // SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2*4882a593Smuzhiyun // Copyright (c) 2019 Hisilicon Limited.
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun #include <rdma/rdma_cm.h>
5*4882a593Smuzhiyun #include <rdma/restrack.h>
6*4882a593Smuzhiyun #include <uapi/rdma/rdma_netlink.h>
7*4882a593Smuzhiyun #include "hnae3.h"
8*4882a593Smuzhiyun #include "hns_roce_common.h"
9*4882a593Smuzhiyun #include "hns_roce_device.h"
10*4882a593Smuzhiyun #include "hns_roce_hw_v2.h"
11*4882a593Smuzhiyun
hns_roce_fill_cq(struct sk_buff * msg,struct hns_roce_v2_cq_context * context)12*4882a593Smuzhiyun static int hns_roce_fill_cq(struct sk_buff *msg,
13*4882a593Smuzhiyun struct hns_roce_v2_cq_context *context)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun if (rdma_nl_put_driver_u32(msg, "state",
16*4882a593Smuzhiyun roce_get_field(context->byte_4_pg_ceqn,
17*4882a593Smuzhiyun V2_CQC_BYTE_4_ARM_ST_M,
18*4882a593Smuzhiyun V2_CQC_BYTE_4_ARM_ST_S)))
19*4882a593Smuzhiyun goto err;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun if (rdma_nl_put_driver_u32(msg, "ceqn",
22*4882a593Smuzhiyun roce_get_field(context->byte_4_pg_ceqn,
23*4882a593Smuzhiyun V2_CQC_BYTE_4_CEQN_M,
24*4882a593Smuzhiyun V2_CQC_BYTE_4_CEQN_S)))
25*4882a593Smuzhiyun goto err;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun if (rdma_nl_put_driver_u32(msg, "cqn",
28*4882a593Smuzhiyun roce_get_field(context->byte_8_cqn,
29*4882a593Smuzhiyun V2_CQC_BYTE_8_CQN_M,
30*4882a593Smuzhiyun V2_CQC_BYTE_8_CQN_S)))
31*4882a593Smuzhiyun goto err;
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun if (rdma_nl_put_driver_u32(msg, "hopnum",
34*4882a593Smuzhiyun roce_get_field(context->byte_16_hop_addr,
35*4882a593Smuzhiyun V2_CQC_BYTE_16_CQE_HOP_NUM_M,
36*4882a593Smuzhiyun V2_CQC_BYTE_16_CQE_HOP_NUM_S)))
37*4882a593Smuzhiyun goto err;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun if (rdma_nl_put_driver_u32(
40*4882a593Smuzhiyun msg, "pi",
41*4882a593Smuzhiyun roce_get_field(context->byte_28_cq_pi,
42*4882a593Smuzhiyun V2_CQC_BYTE_28_CQ_PRODUCER_IDX_M,
43*4882a593Smuzhiyun V2_CQC_BYTE_28_CQ_PRODUCER_IDX_S)))
44*4882a593Smuzhiyun goto err;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun if (rdma_nl_put_driver_u32(
47*4882a593Smuzhiyun msg, "ci",
48*4882a593Smuzhiyun roce_get_field(context->byte_32_cq_ci,
49*4882a593Smuzhiyun V2_CQC_BYTE_32_CQ_CONSUMER_IDX_M,
50*4882a593Smuzhiyun V2_CQC_BYTE_32_CQ_CONSUMER_IDX_S)))
51*4882a593Smuzhiyun goto err;
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun if (rdma_nl_put_driver_u32(
54*4882a593Smuzhiyun msg, "coalesce",
55*4882a593Smuzhiyun roce_get_field(context->byte_56_cqe_period_maxcnt,
56*4882a593Smuzhiyun V2_CQC_BYTE_56_CQ_MAX_CNT_M,
57*4882a593Smuzhiyun V2_CQC_BYTE_56_CQ_MAX_CNT_S)))
58*4882a593Smuzhiyun goto err;
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun if (rdma_nl_put_driver_u32(
61*4882a593Smuzhiyun msg, "period",
62*4882a593Smuzhiyun roce_get_field(context->byte_56_cqe_period_maxcnt,
63*4882a593Smuzhiyun V2_CQC_BYTE_56_CQ_PERIOD_M,
64*4882a593Smuzhiyun V2_CQC_BYTE_56_CQ_PERIOD_S)))
65*4882a593Smuzhiyun goto err;
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun if (rdma_nl_put_driver_u32(msg, "cnt",
68*4882a593Smuzhiyun roce_get_field(context->byte_52_cqe_cnt,
69*4882a593Smuzhiyun V2_CQC_BYTE_52_CQE_CNT_M,
70*4882a593Smuzhiyun V2_CQC_BYTE_52_CQE_CNT_S)))
71*4882a593Smuzhiyun goto err;
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun return 0;
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun err:
76*4882a593Smuzhiyun return -EMSGSIZE;
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun
hns_roce_fill_res_cq_entry(struct sk_buff * msg,struct ib_cq * ib_cq)79*4882a593Smuzhiyun int hns_roce_fill_res_cq_entry(struct sk_buff *msg,
80*4882a593Smuzhiyun struct ib_cq *ib_cq)
81*4882a593Smuzhiyun {
82*4882a593Smuzhiyun struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
83*4882a593Smuzhiyun struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
84*4882a593Smuzhiyun struct hns_roce_v2_cq_context *context;
85*4882a593Smuzhiyun struct nlattr *table_attr;
86*4882a593Smuzhiyun int ret;
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun if (!hr_dev->dfx->query_cqc_info)
89*4882a593Smuzhiyun return -EINVAL;
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun context = kzalloc(sizeof(struct hns_roce_v2_cq_context), GFP_KERNEL);
92*4882a593Smuzhiyun if (!context)
93*4882a593Smuzhiyun return -ENOMEM;
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun ret = hr_dev->dfx->query_cqc_info(hr_dev, hr_cq->cqn, (int *)context);
96*4882a593Smuzhiyun if (ret)
97*4882a593Smuzhiyun goto err;
98*4882a593Smuzhiyun
99*4882a593Smuzhiyun table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
100*4882a593Smuzhiyun if (!table_attr) {
101*4882a593Smuzhiyun ret = -EMSGSIZE;
102*4882a593Smuzhiyun goto err;
103*4882a593Smuzhiyun }
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun if (hns_roce_fill_cq(msg, context)) {
106*4882a593Smuzhiyun ret = -EMSGSIZE;
107*4882a593Smuzhiyun goto err_cancel_table;
108*4882a593Smuzhiyun }
109*4882a593Smuzhiyun
110*4882a593Smuzhiyun nla_nest_end(msg, table_attr);
111*4882a593Smuzhiyun kfree(context);
112*4882a593Smuzhiyun
113*4882a593Smuzhiyun return 0;
114*4882a593Smuzhiyun
115*4882a593Smuzhiyun err_cancel_table:
116*4882a593Smuzhiyun nla_nest_cancel(msg, table_attr);
117*4882a593Smuzhiyun err:
118*4882a593Smuzhiyun kfree(context);
119*4882a593Smuzhiyun return ret;
120*4882a593Smuzhiyun }
121