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687daf98 LR |
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 | ||
36 | if (rd->json_output) | |
37 | jsonw_uint_field(rd->jw, "rqpn", val); | |
38 | else | |
39 | pr_out("rqpn %u ", val); | |
40 | } | |
41 | ||
42 | static void print_type(struct rd *rd, uint32_t val) | |
43 | { | |
44 | if (rd->json_output) | |
45 | jsonw_string_field(rd->jw, "type", qp_types_to_str(val)); | |
46 | else | |
47 | pr_out("type %s ", qp_types_to_str(val)); | |
48 | } | |
49 | ||
50 | static void print_state(struct rd *rd, uint32_t val) | |
51 | { | |
52 | if (rd->json_output) | |
53 | jsonw_string_field(rd->jw, "state", qp_states_to_str(val)); | |
54 | else | |
55 | pr_out("state %s ", qp_states_to_str(val)); | |
56 | } | |
57 | ||
58 | static void print_rqpsn(struct rd *rd, uint32_t val, struct nlattr **nla_line) | |
59 | { | |
60 | if (!nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]) | |
61 | return; | |
62 | ||
63 | if (rd->json_output) | |
64 | jsonw_uint_field(rd->jw, "rq-psn", val); | |
65 | else | |
66 | pr_out("rq-psn %u ", val); | |
67 | } | |
68 | ||
69 | static void print_sqpsn(struct rd *rd, uint32_t val) | |
70 | { | |
71 | if (rd->json_output) | |
72 | jsonw_uint_field(rd->jw, "sq-psn", val); | |
73 | else | |
74 | pr_out("sq-psn %u ", val); | |
75 | } | |
76 | ||
77 | static void print_pathmig(struct rd *rd, uint32_t val, struct nlattr **nla_line) | |
78 | { | |
79 | if (!nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]) | |
80 | return; | |
81 | ||
82 | if (rd->json_output) | |
83 | jsonw_string_field(rd->jw, "path-mig-state", | |
84 | path_mig_to_str(val)); | |
85 | else | |
86 | pr_out("path-mig-state %s ", path_mig_to_str(val)); | |
87 | } | |
88 | ||
89 | int res_qp_parse_cb(const struct nlmsghdr *nlh, void *data) | |
90 | { | |
91 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; | |
92 | struct nlattr *nla_table, *nla_entry; | |
93 | struct rd *rd = data; | |
94 | const char *name; | |
95 | uint32_t idx; | |
96 | ||
97 | mnl_attr_parse(nlh, 0, rd_attr_cb, tb); | |
98 | if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] || | |
99 | !tb[RDMA_NLDEV_ATTR_RES_QP]) | |
100 | return MNL_CB_ERROR; | |
101 | ||
102 | name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); | |
103 | idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
104 | nla_table = tb[RDMA_NLDEV_ATTR_RES_QP]; | |
105 | ||
106 | mnl_attr_for_each_nested(nla_entry, nla_table) { | |
107 | struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {}; | |
108 | uint32_t lqpn, rqpn = 0, rq_psn = 0, sq_psn; | |
109 | uint8_t type, state, path_mig_state = 0; | |
110 | uint32_t port = 0, pid = 0; | |
111 | uint32_t pdn = 0; | |
112 | char *comm = NULL; | |
113 | int err; | |
114 | ||
115 | err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line); | |
116 | if (err != MNL_CB_OK) | |
117 | return MNL_CB_ERROR; | |
118 | ||
119 | if (!nla_line[RDMA_NLDEV_ATTR_RES_LQPN] || | |
120 | !nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN] || | |
121 | !nla_line[RDMA_NLDEV_ATTR_RES_TYPE] || | |
122 | !nla_line[RDMA_NLDEV_ATTR_RES_STATE] || | |
123 | (!nla_line[RDMA_NLDEV_ATTR_RES_PID] && | |
124 | !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) { | |
125 | return MNL_CB_ERROR; | |
126 | } | |
127 | ||
128 | if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]) | |
129 | port = mnl_attr_get_u32( | |
130 | nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
131 | ||
132 | if (port != rd->port_idx) | |
133 | continue; | |
134 | ||
135 | lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]); | |
136 | if (rd_check_is_filtered(rd, "lqpn", lqpn)) | |
137 | continue; | |
138 | ||
139 | if (nla_line[RDMA_NLDEV_ATTR_RES_PDN]) | |
140 | pdn = mnl_attr_get_u32( | |
141 | nla_line[RDMA_NLDEV_ATTR_RES_PDN]); | |
142 | if (rd_check_is_filtered(rd, "pdn", pdn)) | |
143 | continue; | |
144 | ||
145 | if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN]) { | |
146 | rqpn = mnl_attr_get_u32( | |
147 | nla_line[RDMA_NLDEV_ATTR_RES_RQPN]); | |
148 | if (rd_check_is_filtered(rd, "rqpn", rqpn)) | |
149 | continue; | |
150 | } else { | |
151 | if (rd_check_is_key_exist(rd, "rqpn")) | |
152 | continue; | |
153 | } | |
154 | ||
155 | if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]) { | |
156 | rq_psn = mnl_attr_get_u32( | |
157 | nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]); | |
158 | if (rd_check_is_filtered(rd, "rq-psn", rq_psn)) | |
159 | continue; | |
160 | } else { | |
161 | if (rd_check_is_key_exist(rd, "rq-psn")) | |
162 | continue; | |
163 | } | |
164 | ||
165 | sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]); | |
166 | if (rd_check_is_filtered(rd, "sq-psn", sq_psn)) | |
167 | continue; | |
168 | ||
169 | if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]) { | |
170 | path_mig_state = mnl_attr_get_u8( | |
171 | nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]); | |
172 | if (rd_check_is_string_filtered( | |
173 | rd, "path-mig-state", | |
174 | path_mig_to_str(path_mig_state))) | |
175 | continue; | |
176 | } else { | |
177 | if (rd_check_is_key_exist(rd, "path-mig-state")) | |
178 | continue; | |
179 | } | |
180 | ||
181 | type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]); | |
182 | if (rd_check_is_string_filtered(rd, "type", | |
183 | qp_types_to_str(type))) | |
184 | continue; | |
185 | ||
186 | state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]); | |
187 | if (rd_check_is_string_filtered(rd, "state", | |
188 | qp_states_to_str(state))) | |
189 | continue; | |
190 | ||
191 | if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) { | |
192 | pid = mnl_attr_get_u32( | |
193 | nla_line[RDMA_NLDEV_ATTR_RES_PID]); | |
194 | comm = get_task_name(pid); | |
195 | } | |
196 | ||
197 | if (rd_check_is_filtered(rd, "pid", pid)) { | |
198 | free(comm); | |
199 | continue; | |
200 | } | |
201 | ||
202 | if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) | |
203 | /* discard const from mnl_attr_get_str */ | |
204 | comm = (char *)mnl_attr_get_str( | |
205 | nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]); | |
206 | ||
207 | if (rd->json_output) | |
208 | jsonw_start_array(rd->jw); | |
209 | ||
210 | print_link(rd, idx, name, port, nla_line); | |
211 | ||
212 | print_lqpn(rd, lqpn); | |
213 | if (nla_line[RDMA_NLDEV_ATTR_RES_PDN]) | |
214 | res_print_uint(rd, "pdn", pdn); | |
215 | print_rqpn(rd, rqpn, nla_line); | |
216 | ||
217 | print_type(rd, type); | |
218 | print_state(rd, state); | |
219 | ||
220 | print_rqpsn(rd, rq_psn, nla_line); | |
221 | print_sqpsn(rd, sq_psn); | |
222 | ||
223 | print_pathmig(rd, path_mig_state, nla_line); | |
224 | print_pid(rd, pid); | |
225 | print_comm(rd, comm, nla_line); | |
226 | ||
227 | if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) | |
228 | free(comm); | |
229 | ||
230 | print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]); | |
231 | newline(rd); | |
232 | } | |
233 | return MNL_CB_OK; | |
234 | } |