rdma/res-qp.c

   1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
   2 /*
   3  * res-qp.c     RDMA tool
   4  * Authors:     Leon Romanovsky <leonro@mellanox.com>
   5  */
   6
   7 #include "res.h"
   8 #include <inttypes.h>
   9
  10 static const char *path_mig_to_str(uint8_t idx)
  11 {
  12         static const char *const path_mig_str[] = { "MIGRATED", "REARM",
  13                                                     "ARMED" };
  14
  15         if (idx < ARRAY_SIZE(path_mig_str))
  16                 return path_mig_str[idx];
  17         return "UNKNOWN";
  18 }
  19
  20 static const char *qp_states_to_str(uint8_t idx)
  21 {
  22         static const char *const qp_states_str[] = { "RESET", "INIT", "RTR",
  23                                                      "RTS",   "SQD",  "SQE",
  24                                                      "ERR" };
  25
  26         if (idx < ARRAY_SIZE(qp_states_str))
  27                 return qp_states_str[idx];
  28         return "UNKNOWN";
  29 }
  30
  31 static void print_rqpn(struct rd *rd, uint32_t val, struct nlattr **nla_line)
  32 {
  33         if (!nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
  34                 return;
  35         print_color_uint(PRINT_ANY, COLOR_NONE, "rqpn", "rqpn %d ", val);
  36 }
  37
  38 static void print_type(struct rd *rd, uint32_t val)
  39 {
  40         print_color_string(PRINT_ANY, COLOR_NONE, "type", "type %s ",
  41                            qp_types_to_str(val));
  42 }
  43
  44 static void print_state(struct rd *rd, uint32_t val)
  45 {
  46         print_color_string(PRINT_ANY, COLOR_NONE, "state", "state %s ",
  47                            qp_states_to_str(val));
  48 }
  49
  50 static void print_rqpsn(struct rd *rd, uint32_t val, struct nlattr **nla_line)
  51 {
  52         if (!nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
  53                 return;
  54
  55         print_color_uint(PRINT_ANY, COLOR_NONE, "rq-psn", "rq-psn %d ", val);
  56 }
  57
  58 static void print_pathmig(struct rd *rd, uint32_t val, struct nlattr **nla_line)
  59 {
  60         if (!nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
  61                 return;
  62
  63         print_color_string(PRINT_ANY, COLOR_NONE, "path-mig-state",
  64                            "path-mig-state %s ", path_mig_to_str(val));
  65 }
  66
  67 static int res_qp_line(struct rd *rd, const char *name, int idx,
  68                        struct nlattr **nla_line)
  69 {
  70         uint32_t lqpn, rqpn = 0, rq_psn = 0, sq_psn;
  71         uint8_t type, state, path_mig_state = 0;
  72         uint32_t port = 0, pid = 0;
  73         uint32_t pdn = 0;
  74         char *comm = NULL;
  75
  76         if (!nla_line[RDMA_NLDEV_ATTR_RES_LQPN] ||
  77             !nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN] ||
  78             !nla_line[RDMA_NLDEV_ATTR_RES_TYPE] ||
  79             !nla_line[RDMA_NLDEV_ATTR_RES_STATE])
  80                 return MNL_CB_ERROR;
  81
  82         if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
  83                 port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
  84
  85         if (port != rd->port_idx)
  86                 goto out;
  87
  88         lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
  89         if (rd_is_filtered_attr(rd, "lqpn", lqpn,
  90                                 nla_line[RDMA_NLDEV_ATTR_RES_LQPN]))
  91                 goto out;
  92
  93         if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
  94                 pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
  95         if (rd_is_filtered_attr(rd, "pdn", pdn,
  96                                 nla_line[RDMA_NLDEV_ATTR_RES_PDN]))
  97                 goto out;
  98
  99         if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
 100                 rqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQPN]);
 101         if (rd_is_filtered_attr(rd, "rqpn", rqpn,
 102                                 nla_line[RDMA_NLDEV_ATTR_RES_RQPN]))
 103                 goto out;
 104
 105         if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
 106                 rq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]);
 107         if (rd_is_filtered_attr(rd, "rq-psn", rq_psn,
 108                                 nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]))
 109                 goto out;
 110
 111         sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
 112         if (rd_is_filtered_attr(rd, "sq-psn", sq_psn,
 113                                 nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]))
 114                 goto out;
 115
 116         if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
 117                 path_mig_state = mnl_attr_get_u8(
 118                         nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]);
 119         if (rd_is_string_filtered_attr(
 120                     rd, "path-mig-state", path_mig_to_str(path_mig_state),
 121                     nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]))
 122                 goto out;
 123
 124         type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
 125         if (rd_is_string_filtered_attr(rd, "type", qp_types_to_str(type),
 126                                        nla_line[RDMA_NLDEV_ATTR_RES_TYPE]))
 127                 goto out;
 128
 129         state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
 130         if (rd_is_string_filtered_attr(rd, "state", qp_states_to_str(state),
 131                                        nla_line[RDMA_NLDEV_ATTR_RES_STATE]))
 132                 goto out;
 133
 134         if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
 135                 pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
 136                 comm = get_task_name(pid);
 137         }
 138
 139         if (rd_is_filtered_attr(rd, "pid", pid,
 140                                 nla_line[RDMA_NLDEV_ATTR_RES_PID]))
 141                 goto out;
 142
 143         if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])
 144                 /* discard const from mnl_attr_get_str */
 145                 comm = (char *)mnl_attr_get_str(
 146                         nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
 147
 148         open_json_object(NULL);
 149         print_link(rd, idx, name, port, nla_line);
 150         res_print_uint(rd, "lqpn", lqpn, nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
 151         print_rqpn(rd, rqpn, nla_line);
 152
 153         print_type(rd, type);
 154         print_state(rd, state);
 155
 156         print_rqpsn(rd, rq_psn, nla_line);
 157         res_print_uint(rd, "sq-psn", sq_psn,
 158                        nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
 159
 160         print_pathmig(rd, path_mig_state, nla_line);
 161         res_print_uint(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
 162         res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
 163         print_comm(rd, comm, nla_line);
 164
 165         print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
 166         newline(rd);
 167 out:
 168         if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
 169                 free(comm);
 170         return MNL_CB_OK;
 171 }
 172
 173 int res_qp_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
 174 {
 175         struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
 176         struct rd *rd = data;
 177         const char *name;
 178         uint32_t idx;
 179
 180         mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
 181         if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME])
 182                 return MNL_CB_ERROR;
 183
 184         name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
 185         idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
 186
 187         return res_qp_line(rd, name, idx, tb);
 188 }
 189
 190 int res_qp_parse_cb(const struct nlmsghdr *nlh, void *data)
 191 {
 192         struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
 193         struct nlattr *nla_table, *nla_entry;
 194         struct rd *rd = data;
 195         int ret = MNL_CB_OK;
 196         const char *name;
 197         uint32_t idx;
 198
 199         mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
 200         if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
 201             !tb[RDMA_NLDEV_ATTR_RES_QP])
 202                 return MNL_CB_ERROR;
 203
 204         name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
 205         idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
 206         nla_table = tb[RDMA_NLDEV_ATTR_RES_QP];
 207
 208         mnl_attr_for_each_nested(nla_entry, nla_table) {
 209                 struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
 210
 211                 ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
 212                 if (ret != MNL_CB_OK)
 213                         break;
 214
 215                 ret = res_qp_line(rd, name, idx, nla_line);
 216                 if (ret != MNL_CB_OK)
 217                         break;
 218         }
 219         return ret;
 220 }