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