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835d8321 | 1 | // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB |
923aa825 LR |
2 | /* |
3 | * res.c RDMA tool | |
923aa825 LR |
4 | * Authors: Leon Romanovsky <leonro@mellanox.com> |
5 | */ | |
6 | ||
cc613127 | 7 | #include "res.h" |
923aa825 LR |
8 | #include <inttypes.h> |
9 | ||
10 | static int res_help(struct rd *rd) | |
11 | { | |
12 | pr_out("Usage: %s resource\n", rd->filename); | |
13 | pr_out(" resource show [DEV]\n"); | |
4ee770ee | 14 | pr_out(" resource show [qp|cm_id|pd|mr|cq]\n"); |
8ecac46a LR |
15 | pr_out(" resource show qp link [DEV/PORT]\n"); |
16 | pr_out(" resource show qp link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n"); | |
9a362cc7 SW |
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"); | |
b0b8e32c SW |
19 | pr_out(" resource show cq link [DEV/PORT]\n"); |
20 | pr_out(" resource show cq link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n"); | |
4ee770ee LR |
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"); | |
923aa825 LR |
25 | return 0; |
26 | } | |
27 | ||
28 | static int res_print_summary(struct rd *rd, struct nlattr **tb) | |
29 | { | |
30 | struct nlattr *nla_table = tb[RDMA_NLDEV_ATTR_RES_SUMMARY]; | |
31 | struct nlattr *nla_entry; | |
32 | const char *name; | |
33 | uint64_t curr; | |
34 | int err; | |
35 | ||
36 | mnl_attr_for_each_nested(nla_entry, nla_table) { | |
37 | struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {}; | |
923aa825 LR |
38 | |
39 | err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line); | |
40 | if (err != MNL_CB_OK) | |
41 | return -EINVAL; | |
42 | ||
43 | if (!nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME] || | |
44 | !nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]) { | |
45 | return -EINVAL; | |
46 | } | |
47 | ||
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]); | |
127ff956 LR |
50 | res_print_uint( |
51 | rd, name, curr, | |
52 | nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]); | |
923aa825 LR |
53 | } |
54 | return 0; | |
55 | } | |
56 | ||
5a823593 LR |
57 | static int res_no_args_idx_parse_cb(const struct nlmsghdr *nlh, void *data) |
58 | { | |
59 | return MNL_CB_OK; | |
60 | } | |
61 | ||
923aa825 LR |
62 | static int res_no_args_parse_cb(const struct nlmsghdr *nlh, void *data) |
63 | { | |
64 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; | |
65 | struct rd *rd = data; | |
66 | const char *name; | |
67 | uint32_t idx; | |
68 | ||
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]) | |
73 | return MNL_CB_ERROR; | |
74 | ||
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); | |
80 | } else { | |
81 | pr_out("%u: %s: ", idx, name); | |
82 | } | |
83 | ||
84 | res_print_summary(rd, tb); | |
85 | ||
86 | if (!rd->json_output) | |
87 | pr_out("\n"); | |
88 | return MNL_CB_OK; | |
89 | } | |
90 | ||
5a823593 LR |
91 | int _res_send_idx_msg(struct rd *rd, uint32_t command, mnl_cb_t callback, |
92 | uint32_t idx, uint32_t id) | |
93 | { | |
94 | uint32_t flags = NLM_F_REQUEST | NLM_F_ACK; | |
95 | uint32_t seq; | |
96 | int ret; | |
97 | ||
98 | rd_prepare_msg(rd, command, &seq, flags); | |
99 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); | |
100 | if (rd->port_idx) | |
101 | mnl_attr_put_u32(rd->nlh, | |
102 | RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx); | |
103 | ||
104 | mnl_attr_put_u32(rd->nlh, id, idx); | |
105 | ||
106 | ret = rd_send_msg(rd); | |
107 | if (ret) | |
108 | return ret; | |
109 | ||
110 | if (rd->json_output) | |
111 | jsonw_start_object(rd->jw); | |
112 | ret = rd_recv_msg(rd, callback, rd, seq); | |
113 | if (rd->json_output) | |
114 | jsonw_end_object(rd->jw); | |
115 | return ret; | |
116 | } | |
117 | ||
cc613127 | 118 | int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback) |
923aa825 LR |
119 | { |
120 | uint32_t flags = NLM_F_REQUEST | NLM_F_ACK; | |
121 | uint32_t seq; | |
122 | int ret; | |
123 | ||
124 | if (command != RDMA_NLDEV_CMD_RES_GET) | |
125 | flags |= NLM_F_DUMP; | |
126 | ||
127 | rd_prepare_msg(rd, command, &seq, flags); | |
128 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); | |
129 | if (rd->port_idx) | |
130 | mnl_attr_put_u32(rd->nlh, | |
131 | RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx); | |
132 | ||
133 | ret = rd_send_msg(rd); | |
134 | if (ret) | |
135 | return ret; | |
136 | ||
137 | if (rd->json_output) | |
138 | jsonw_start_object(rd->jw); | |
139 | ret = rd_recv_msg(rd, callback, rd, seq); | |
140 | if (rd->json_output) | |
141 | jsonw_end_object(rd->jw); | |
142 | return ret; | |
143 | } | |
144 | ||
438fac3a | 145 | const char *qp_types_to_str(uint8_t idx) |
8ecac46a LR |
146 | { |
147 | static const char * const qp_types_str[] = { "SMI", "GSI", "RC", | |
148 | "UC", "UD", "RAW_IPV6", | |
149 | "RAW_ETHERTYPE", | |
150 | "UNKNOWN", "RAW_PACKET", | |
39307384 GP |
151 | "XRC_INI", "XRC_TGT", |
152 | [0xFF] = "DRIVER", | |
153 | }; | |
8ecac46a | 154 | |
39307384 | 155 | if (idx < ARRAY_SIZE(qp_types_str) && qp_types_str[idx]) |
8ecac46a LR |
156 | return qp_types_str[idx]; |
157 | return "UNKNOWN"; | |
158 | } | |
159 | ||
cc613127 | 160 | void print_comm(struct rd *rd, const char *str, struct nlattr **nla_line) |
8ecac46a LR |
161 | { |
162 | char tmp[18]; | |
163 | ||
4e2d9fc4 MZ |
164 | if (!str) |
165 | return; | |
166 | ||
8ecac46a LR |
167 | if (rd->json_output) { |
168 | /* Don't beatify output in JSON format */ | |
169 | jsonw_string_field(rd->jw, "comm", str); | |
170 | return; | |
171 | } | |
172 | ||
173 | if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) | |
174 | snprintf(tmp, sizeof(tmp), "%s", str); | |
175 | else | |
176 | snprintf(tmp, sizeof(tmp), "[%s]", str); | |
177 | ||
178 | pr_out("comm %s ", tmp); | |
179 | } | |
180 | ||
cc613127 | 181 | void print_dev(struct rd *rd, uint32_t idx, const char *name) |
b0b8e32c SW |
182 | { |
183 | if (rd->json_output) { | |
184 | jsonw_uint_field(rd->jw, "ifindex", idx); | |
185 | jsonw_string_field(rd->jw, "ifname", name); | |
186 | } else { | |
187 | pr_out("dev %s ", name); | |
188 | } | |
189 | } | |
190 | ||
438fac3a LR |
191 | void print_link(struct rd *rd, uint32_t idx, const char *name, uint32_t port, |
192 | struct nlattr **nla_line) | |
8ecac46a LR |
193 | { |
194 | if (rd->json_output) { | |
195 | jsonw_uint_field(rd->jw, "ifindex", idx); | |
196 | ||
197 | if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]) | |
198 | jsonw_uint_field(rd->jw, "port", port); | |
199 | ||
200 | jsonw_string_field(rd->jw, "ifname", name); | |
201 | } else { | |
202 | if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]) | |
203 | pr_out("link %s/%u ", name, port); | |
204 | else | |
205 | pr_out("link %s/- ", name); | |
206 | } | |
207 | } | |
208 | ||
cc613127 | 209 | char *get_task_name(uint32_t pid) |
8ecac46a LR |
210 | { |
211 | char *comm; | |
212 | FILE *f; | |
213 | ||
214 | if (asprintf(&comm, "/proc/%d/comm", pid) < 0) | |
215 | return NULL; | |
216 | ||
217 | f = fopen(comm, "r"); | |
218 | free(comm); | |
219 | if (!f) | |
220 | return NULL; | |
221 | ||
222 | if (fscanf(f, "%ms\n", &comm) != 1) | |
223 | comm = NULL; | |
224 | ||
225 | fclose(f); | |
226 | ||
227 | return comm; | |
228 | } | |
229 | ||
127ff956 LR |
230 | void print_key(struct rd *rd, const char *name, uint64_t val, |
231 | struct nlattr *nlattr) | |
96f59e7f | 232 | { |
127ff956 LR |
233 | if (!nlattr) |
234 | return; | |
235 | ||
96f59e7f LR |
236 | if (rd->json_output) |
237 | jsonw_xint_field(rd->jw, name, val); | |
238 | else | |
239 | pr_out("%s 0x%" PRIx64 " ", name, val); | |
240 | } | |
241 | ||
127ff956 LR |
242 | void res_print_uint(struct rd *rd, const char *name, uint64_t val, |
243 | struct nlattr *nlattr) | |
96f59e7f | 244 | { |
127ff956 LR |
245 | if (!nlattr) |
246 | return; | |
247 | ||
96f59e7f | 248 | if (rd->json_output) |
05846c9c | 249 | jsonw_u64_field(rd->jw, name, val); |
96f59e7f LR |
250 | else |
251 | pr_out("%s %" PRIu64 " ", name, val); | |
252 | } | |
253 | ||
5a823593 | 254 | RES_FUNC(res_no_args, RDMA_NLDEV_CMD_RES_GET, NULL, true, 0); |
923aa825 LR |
255 | |
256 | static int res_show(struct rd *rd) | |
257 | { | |
258 | const struct rd_cmd cmds[] = { | |
259 | { NULL, res_no_args }, | |
8ecac46a | 260 | { "qp", res_qp }, |
9a362cc7 | 261 | { "cm_id", res_cm_id }, |
b0b8e32c | 262 | { "cq", res_cq }, |
8958a15c | 263 | { "mr", res_mr }, |
4060e4c0 | 264 | { "pd", res_pd }, |
923aa825 LR |
265 | { 0 } |
266 | }; | |
267 | ||
268 | /* | |
269 | * Special case to support "rdma res show DEV_NAME" | |
270 | */ | |
271 | if (rd_argc(rd) == 1 && dev_map_lookup(rd, false)) | |
272 | return rd_exec_dev(rd, _res_no_args); | |
273 | ||
274 | return rd_exec_cmd(rd, cmds, "parameter"); | |
275 | } | |
276 | ||
277 | int cmd_res(struct rd *rd) | |
278 | { | |
279 | const struct rd_cmd cmds[] = { | |
280 | { NULL, res_show }, | |
281 | { "show", res_show }, | |
282 | { "list", res_show }, | |
283 | { "help", res_help }, | |
284 | { 0 } | |
285 | }; | |
286 | ||
287 | return rd_exec_cmd(rd, cmds, "resource command"); | |
288 | } |