1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
4 * Authors: Leon Romanovsky <leonro@mellanox.com>
10 static int res_help(struct rd
*rd
)
12 pr_out("Usage: %s resource\n", rd
->filename
);
13 pr_out(" resource show [DEV]\n");
14 pr_out(" resource show [qp|cm_id|pd|mr|cq]\n");
15 pr_out(" resource show qp link [DEV/PORT]\n");
16 pr_out(" resource show qp link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
17 pr_out(" resource show cm_id link [DEV/PORT]\n");
18 pr_out(" resource show cm_id link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
19 pr_out(" resource show cq link [DEV/PORT]\n");
20 pr_out(" resource show cq link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
21 pr_out(" resource show pd dev [DEV]\n");
22 pr_out(" resource show pd dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
23 pr_out(" resource show mr dev [DEV]\n");
24 pr_out(" resource show mr dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
28 static int res_print_summary(struct rd
*rd
, struct nlattr
**tb
)
30 struct nlattr
*nla_table
= tb
[RDMA_NLDEV_ATTR_RES_SUMMARY
];
31 struct nlattr
*nla_entry
;
36 mnl_attr_for_each_nested(nla_entry
, nla_table
) {
37 struct nlattr
*nla_line
[RDMA_NLDEV_ATTR_MAX
] = {};
39 err
= mnl_attr_parse_nested(nla_entry
, rd_attr_cb
, nla_line
);
43 if (!nla_line
[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME
] ||
44 !nla_line
[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR
]) {
48 name
= mnl_attr_get_str(nla_line
[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME
]);
49 curr
= mnl_attr_get_u64(nla_line
[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR
]);
52 nla_line
[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR
]);
57 static int res_no_args_idx_parse_cb(const struct nlmsghdr
*nlh
, void *data
)
62 static int res_no_args_parse_cb(const struct nlmsghdr
*nlh
, void *data
)
64 struct nlattr
*tb
[RDMA_NLDEV_ATTR_MAX
] = {};
69 mnl_attr_parse(nlh
, 0, rd_attr_cb
, tb
);
70 if (!tb
[RDMA_NLDEV_ATTR_DEV_INDEX
] ||
71 !tb
[RDMA_NLDEV_ATTR_DEV_NAME
] ||
72 !tb
[RDMA_NLDEV_ATTR_RES_SUMMARY
])
75 idx
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_DEV_INDEX
]);
76 name
= mnl_attr_get_str(tb
[RDMA_NLDEV_ATTR_DEV_NAME
]);
77 if (rd
->json_output
) {
78 jsonw_uint_field(rd
->jw
, "ifindex", idx
);
79 jsonw_string_field(rd
->jw
, "ifname", name
);
81 pr_out("%u: %s: ", idx
, name
);
84 res_print_summary(rd
, tb
);
91 int _res_send_idx_msg(struct rd
*rd
, uint32_t command
, mnl_cb_t callback
,
92 uint32_t idx
, uint32_t id
)
94 uint32_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
98 rd_prepare_msg(rd
, command
, &seq
, flags
);
99 mnl_attr_put_u32(rd
->nlh
, RDMA_NLDEV_ATTR_DEV_INDEX
, rd
->dev_idx
);
101 mnl_attr_put_u32(rd
->nlh
,
102 RDMA_NLDEV_ATTR_PORT_INDEX
, rd
->port_idx
);
104 mnl_attr_put_u32(rd
->nlh
, id
, idx
);
106 ret
= rd_send_msg(rd
);
111 jsonw_start_object(rd
->jw
);
112 ret
= rd_recv_msg(rd
, callback
, rd
, seq
);
114 jsonw_end_object(rd
->jw
);
118 int _res_send_msg(struct rd
*rd
, uint32_t command
, mnl_cb_t callback
)
120 uint32_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
124 if (command
!= RDMA_NLDEV_CMD_RES_GET
)
127 rd_prepare_msg(rd
, command
, &seq
, flags
);
128 mnl_attr_put_u32(rd
->nlh
, RDMA_NLDEV_ATTR_DEV_INDEX
, rd
->dev_idx
);
130 mnl_attr_put_u32(rd
->nlh
,
131 RDMA_NLDEV_ATTR_PORT_INDEX
, rd
->port_idx
);
133 ret
= rd_send_msg(rd
);
138 jsonw_start_object(rd
->jw
);
139 ret
= rd_recv_msg(rd
, callback
, rd
, seq
);
141 jsonw_end_object(rd
->jw
);
145 const char *qp_types_to_str(uint8_t idx
)
147 static const char * const qp_types_str
[] = { "SMI", "GSI", "RC",
148 "UC", "UD", "RAW_IPV6",
150 "UNKNOWN", "RAW_PACKET",
151 "XRC_INI", "XRC_TGT" };
153 if (idx
< ARRAY_SIZE(qp_types_str
))
154 return qp_types_str
[idx
];
158 void print_comm(struct rd
*rd
, const char *str
, struct nlattr
**nla_line
)
162 if (rd
->json_output
) {
163 /* Don't beatify output in JSON format */
164 jsonw_string_field(rd
->jw
, "comm", str
);
168 if (nla_line
[RDMA_NLDEV_ATTR_RES_PID
])
169 snprintf(tmp
, sizeof(tmp
), "%s", str
);
171 snprintf(tmp
, sizeof(tmp
), "[%s]", str
);
173 pr_out("comm %s ", tmp
);
176 void print_dev(struct rd
*rd
, uint32_t idx
, const char *name
)
178 if (rd
->json_output
) {
179 jsonw_uint_field(rd
->jw
, "ifindex", idx
);
180 jsonw_string_field(rd
->jw
, "ifname", name
);
182 pr_out("dev %s ", name
);
186 void print_link(struct rd
*rd
, uint32_t idx
, const char *name
, uint32_t port
,
187 struct nlattr
**nla_line
)
189 if (rd
->json_output
) {
190 jsonw_uint_field(rd
->jw
, "ifindex", idx
);
192 if (nla_line
[RDMA_NLDEV_ATTR_PORT_INDEX
])
193 jsonw_uint_field(rd
->jw
, "port", port
);
195 jsonw_string_field(rd
->jw
, "ifname", name
);
197 if (nla_line
[RDMA_NLDEV_ATTR_PORT_INDEX
])
198 pr_out("link %s/%u ", name
, port
);
200 pr_out("link %s/- ", name
);
204 char *get_task_name(uint32_t pid
)
209 if (asprintf(&comm
, "/proc/%d/comm", pid
) < 0)
212 f
= fopen(comm
, "r");
217 if (fscanf(f
, "%ms\n", &comm
) != 1)
225 void print_key(struct rd
*rd
, const char *name
, uint64_t val
,
226 struct nlattr
*nlattr
)
232 jsonw_xint_field(rd
->jw
, name
, val
);
234 pr_out("%s 0x%" PRIx64
" ", name
, val
);
237 void res_print_uint(struct rd
*rd
, const char *name
, uint64_t val
,
238 struct nlattr
*nlattr
)
244 jsonw_u64_field(rd
->jw
, name
, val
);
246 pr_out("%s %" PRIu64
" ", name
, val
);
249 RES_FUNC(res_no_args
, RDMA_NLDEV_CMD_RES_GET
, NULL
, true, 0);
251 static int res_show(struct rd
*rd
)
253 const struct rd_cmd cmds
[] = {
254 { NULL
, res_no_args
},
256 { "cm_id", res_cm_id
},
264 * Special case to support "rdma res show DEV_NAME"
266 if (rd_argc(rd
) == 1 && dev_map_lookup(rd
, false))
267 return rd_exec_dev(rd
, _res_no_args
);
269 return rd_exec_cmd(rd
, cmds
, "parameter");
272 int cmd_res(struct rd
*rd
)
274 const struct rd_cmd cmds
[] = {
276 { "show", res_show
},
277 { "list", res_show
},
278 { "help", res_help
},
282 return rd_exec_cmd(rd
, cmds
, "resource command");