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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]); | |
b0a688a5 IK |
77 | open_json_object(NULL); |
78 | print_color_uint(PRINT_ANY, COLOR_NONE, "ifindex", "%u: ", idx); | |
79 | print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "%s: ", name); | |
923aa825 | 80 | res_print_summary(rd, tb); |
b0a688a5 | 81 | newline(rd); |
923aa825 LR |
82 | return MNL_CB_OK; |
83 | } | |
84 | ||
5a823593 LR |
85 | int _res_send_idx_msg(struct rd *rd, uint32_t command, mnl_cb_t callback, |
86 | uint32_t idx, uint32_t id) | |
87 | { | |
88 | uint32_t flags = NLM_F_REQUEST | NLM_F_ACK; | |
89 | uint32_t seq; | |
90 | int ret; | |
91 | ||
92 | rd_prepare_msg(rd, command, &seq, flags); | |
93 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); | |
94 | if (rd->port_idx) | |
95 | mnl_attr_put_u32(rd->nlh, | |
96 | RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx); | |
97 | ||
98 | mnl_attr_put_u32(rd->nlh, id, idx); | |
99 | ||
33552ade EA |
100 | if (command == RDMA_NLDEV_CMD_STAT_GET) |
101 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES, | |
102 | RDMA_NLDEV_ATTR_RES_MR); | |
103 | ||
5a823593 LR |
104 | ret = rd_send_msg(rd); |
105 | if (ret) | |
106 | return ret; | |
5a823593 | 107 | ret = rd_recv_msg(rd, callback, rd, seq); |
5a823593 LR |
108 | return ret; |
109 | } | |
110 | ||
cc613127 | 111 | int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback) |
923aa825 LR |
112 | { |
113 | uint32_t flags = NLM_F_REQUEST | NLM_F_ACK; | |
114 | uint32_t seq; | |
115 | int ret; | |
116 | ||
117 | if (command != RDMA_NLDEV_CMD_RES_GET) | |
118 | flags |= NLM_F_DUMP; | |
119 | ||
120 | rd_prepare_msg(rd, command, &seq, flags); | |
121 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); | |
122 | if (rd->port_idx) | |
123 | mnl_attr_put_u32(rd->nlh, | |
124 | RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx); | |
125 | ||
33552ade EA |
126 | if (command == RDMA_NLDEV_CMD_STAT_GET) |
127 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES, | |
128 | RDMA_NLDEV_ATTR_RES_MR); | |
129 | ||
923aa825 LR |
130 | ret = rd_send_msg(rd); |
131 | if (ret) | |
132 | return ret; | |
133 | ||
923aa825 | 134 | ret = rd_recv_msg(rd, callback, rd, seq); |
923aa825 LR |
135 | return ret; |
136 | } | |
137 | ||
438fac3a | 138 | const char *qp_types_to_str(uint8_t idx) |
8ecac46a LR |
139 | { |
140 | static const char * const qp_types_str[] = { "SMI", "GSI", "RC", | |
141 | "UC", "UD", "RAW_IPV6", | |
142 | "RAW_ETHERTYPE", | |
143 | "UNKNOWN", "RAW_PACKET", | |
39307384 GP |
144 | "XRC_INI", "XRC_TGT", |
145 | [0xFF] = "DRIVER", | |
146 | }; | |
8ecac46a | 147 | |
39307384 | 148 | if (idx < ARRAY_SIZE(qp_types_str) && qp_types_str[idx]) |
8ecac46a LR |
149 | return qp_types_str[idx]; |
150 | return "UNKNOWN"; | |
151 | } | |
152 | ||
cc613127 | 153 | void print_comm(struct rd *rd, const char *str, struct nlattr **nla_line) |
8ecac46a LR |
154 | { |
155 | char tmp[18]; | |
156 | ||
4e2d9fc4 MZ |
157 | if (!str) |
158 | return; | |
159 | ||
8ecac46a LR |
160 | if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) |
161 | snprintf(tmp, sizeof(tmp), "%s", str); | |
162 | else | |
163 | snprintf(tmp, sizeof(tmp), "[%s]", str); | |
b0a688a5 | 164 | print_color_string(PRINT_ANY, COLOR_NONE, "comm", "comm %s ", str); |
8ecac46a LR |
165 | } |
166 | ||
cc613127 | 167 | void print_dev(struct rd *rd, uint32_t idx, const char *name) |
b0b8e32c | 168 | { |
b0a688a5 IK |
169 | print_color_int(PRINT_ANY, COLOR_NONE, "ifindex", "ifindex %d ", idx); |
170 | print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "ifname %s ", name); | |
b0b8e32c SW |
171 | } |
172 | ||
438fac3a LR |
173 | void print_link(struct rd *rd, uint32_t idx, const char *name, uint32_t port, |
174 | struct nlattr **nla_line) | |
8ecac46a | 175 | { |
b0a688a5 IK |
176 | print_color_uint(PRINT_JSON, COLOR_NONE, "ifindex", NULL, idx); |
177 | print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "link %s/", name); | |
178 | if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]) | |
179 | print_color_uint(PRINT_ANY, COLOR_NONE, "port", "%u ", port); | |
8ecac46a LR |
180 | } |
181 | ||
cc613127 | 182 | char *get_task_name(uint32_t pid) |
8ecac46a LR |
183 | { |
184 | char *comm; | |
185 | FILE *f; | |
186 | ||
f9313484 LR |
187 | if (!pid) |
188 | return NULL; | |
189 | ||
8ecac46a LR |
190 | if (asprintf(&comm, "/proc/%d/comm", pid) < 0) |
191 | return NULL; | |
192 | ||
193 | f = fopen(comm, "r"); | |
194 | free(comm); | |
195 | if (!f) | |
196 | return NULL; | |
197 | ||
198 | if (fscanf(f, "%ms\n", &comm) != 1) | |
199 | comm = NULL; | |
200 | ||
201 | fclose(f); | |
202 | ||
203 | return comm; | |
204 | } | |
205 | ||
127ff956 LR |
206 | void print_key(struct rd *rd, const char *name, uint64_t val, |
207 | struct nlattr *nlattr) | |
96f59e7f | 208 | { |
127ff956 LR |
209 | if (!nlattr) |
210 | return; | |
b0a688a5 IK |
211 | print_color_string(PRINT_FP, COLOR_NONE, NULL, name, NULL); |
212 | print_color_hex(PRINT_ANY, COLOR_NONE, name, " 0x%" PRIx64 " ", val); | |
96f59e7f LR |
213 | } |
214 | ||
127ff956 LR |
215 | void res_print_uint(struct rd *rd, const char *name, uint64_t val, |
216 | struct nlattr *nlattr) | |
96f59e7f | 217 | { |
127ff956 LR |
218 | if (!nlattr) |
219 | return; | |
b0a688a5 IK |
220 | print_color_uint(PRINT_ANY, COLOR_NONE, name, name, val); |
221 | print_color_uint(PRINT_FP, COLOR_NONE, NULL, " %d ", val); | |
96f59e7f LR |
222 | } |
223 | ||
5a823593 | 224 | RES_FUNC(res_no_args, RDMA_NLDEV_CMD_RES_GET, NULL, true, 0); |
923aa825 LR |
225 | |
226 | static int res_show(struct rd *rd) | |
227 | { | |
228 | const struct rd_cmd cmds[] = { | |
229 | { NULL, res_no_args }, | |
8ecac46a | 230 | { "qp", res_qp }, |
9a362cc7 | 231 | { "cm_id", res_cm_id }, |
b0b8e32c | 232 | { "cq", res_cq }, |
8958a15c | 233 | { "mr", res_mr }, |
4060e4c0 | 234 | { "pd", res_pd }, |
923aa825 LR |
235 | { 0 } |
236 | }; | |
237 | ||
238 | /* | |
239 | * Special case to support "rdma res show DEV_NAME" | |
240 | */ | |
241 | if (rd_argc(rd) == 1 && dev_map_lookup(rd, false)) | |
242 | return rd_exec_dev(rd, _res_no_args); | |
243 | ||
244 | return rd_exec_cmd(rd, cmds, "parameter"); | |
245 | } | |
246 | ||
247 | int cmd_res(struct rd *rd) | |
248 | { | |
249 | const struct rd_cmd cmds[] = { | |
250 | { NULL, res_show }, | |
251 | { "show", res_show }, | |
252 | { "list", res_show }, | |
253 | { "help", res_help }, | |
254 | { 0 } | |
255 | }; | |
256 | ||
257 | return rd_exec_cmd(rd, cmds, "resource command"); | |
258 | } |