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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_pathmig(struct rd *rd, uint32_t val, struct nlattr **nla_line) | |
70 | { | |
71 | if (!nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]) | |
72 | return; | |
73 | ||
74 | if (rd->json_output) | |
75 | jsonw_string_field(rd->jw, "path-mig-state", | |
76 | path_mig_to_str(val)); | |
77 | else | |
78 | pr_out("path-mig-state %s ", path_mig_to_str(val)); | |
79 | } | |
80 | ||
81 | static int res_qp_line(struct rd *rd, const char *name, int idx, | |
82 | struct nlattr **nla_line) | |
83 | { | |
84 | uint32_t lqpn, rqpn = 0, rq_psn = 0, sq_psn; | |
85 | uint8_t type, state, path_mig_state = 0; | |
86 | uint32_t port = 0, pid = 0; | |
87 | uint32_t pdn = 0; | |
88 | char *comm = NULL; | |
89 | ||
90 | if (!nla_line[RDMA_NLDEV_ATTR_RES_LQPN] || | |
91 | !nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN] || | |
92 | !nla_line[RDMA_NLDEV_ATTR_RES_TYPE] || | |
93 | !nla_line[RDMA_NLDEV_ATTR_RES_STATE]) | |
94 | return MNL_CB_ERROR; | |
95 | ||
96 | if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]) | |
97 | port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
98 | ||
99 | if (port != rd->port_idx) | |
100 | goto out; | |
101 | ||
102 | lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]); | |
103 | if (rd_is_filtered_attr(rd, "lqpn", lqpn, | |
104 | nla_line[RDMA_NLDEV_ATTR_RES_LQPN])) | |
105 | goto out; | |
106 | ||
107 | if (nla_line[RDMA_NLDEV_ATTR_RES_PDN]) | |
108 | pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]); | |
109 | if (rd_is_filtered_attr(rd, "pdn", pdn, | |
110 | nla_line[RDMA_NLDEV_ATTR_RES_PDN])) | |
111 | goto out; | |
112 | ||
113 | if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN]) | |
114 | rqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQPN]); | |
115 | if (rd_is_filtered_attr(rd, "rqpn", rqpn, | |
116 | nla_line[RDMA_NLDEV_ATTR_RES_RQPN])) | |
117 | goto out; | |
118 | ||
119 | if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]) | |
120 | rq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]); | |
121 | if (rd_is_filtered_attr(rd, "rq-psn", rq_psn, | |
122 | nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])) | |
123 | goto out; | |
124 | ||
125 | sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]); | |
126 | if (rd_is_filtered_attr(rd, "sq-psn", sq_psn, | |
127 | nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN])) | |
128 | goto out; | |
129 | ||
130 | if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]) | |
131 | path_mig_state = mnl_attr_get_u8( | |
132 | nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]); | |
133 | if (rd_is_string_filtered_attr( | |
134 | rd, "path-mig-state", path_mig_to_str(path_mig_state), | |
135 | nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])) | |
136 | goto out; | |
137 | ||
138 | type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]); | |
139 | if (rd_is_string_filtered_attr(rd, "type", qp_types_to_str(type), | |
140 | nla_line[RDMA_NLDEV_ATTR_RES_TYPE])) | |
141 | goto out; | |
142 | ||
143 | state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]); | |
144 | if (rd_is_string_filtered_attr(rd, "state", qp_states_to_str(state), | |
145 | nla_line[RDMA_NLDEV_ATTR_RES_STATE])) | |
146 | goto out; | |
147 | ||
148 | if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) { | |
149 | pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]); | |
150 | comm = get_task_name(pid); | |
151 | } | |
152 | ||
153 | if (rd_is_filtered_attr(rd, "pid", pid, | |
154 | nla_line[RDMA_NLDEV_ATTR_RES_PID])) | |
155 | goto out; | |
156 | ||
157 | if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) | |
158 | /* discard const from mnl_attr_get_str */ | |
159 | comm = (char *)mnl_attr_get_str( | |
160 | nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]); | |
161 | ||
162 | if (rd->json_output) | |
163 | jsonw_start_array(rd->jw); | |
164 | ||
165 | print_link(rd, idx, name, port, nla_line); | |
166 | ||
167 | res_print_uint(rd, "lqpn", lqpn, nla_line[RDMA_NLDEV_ATTR_RES_LQPN]); | |
168 | print_rqpn(rd, rqpn, nla_line); | |
169 | ||
170 | print_type(rd, type); | |
171 | print_state(rd, state); | |
172 | ||
173 | print_rqpsn(rd, rq_psn, nla_line); | |
174 | res_print_uint(rd, "sq-psn", sq_psn, | |
175 | nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]); | |
176 | ||
177 | print_pathmig(rd, path_mig_state, nla_line); | |
178 | res_print_uint(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]); | |
179 | res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]); | |
180 | print_comm(rd, comm, nla_line); | |
181 | ||
182 | print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]); | |
183 | newline(rd); | |
184 | out: | |
185 | if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) | |
186 | free(comm); | |
187 | return MNL_CB_OK; | |
188 | } | |
189 | ||
190 | int res_qp_idx_parse_cb(const struct nlmsghdr *nlh, void *data) | |
191 | { | |
192 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; | |
193 | struct rd *rd = data; | |
194 | const char *name; | |
195 | uint32_t idx; | |
196 | ||
197 | mnl_attr_parse(nlh, 0, rd_attr_cb, tb); | |
198 | if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME]) | |
199 | return MNL_CB_ERROR; | |
200 | ||
201 | name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); | |
202 | idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
203 | ||
204 | return res_qp_line(rd, name, idx, tb); | |
205 | } | |
206 | ||
207 | int res_qp_parse_cb(const struct nlmsghdr *nlh, void *data) | |
208 | { | |
209 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; | |
210 | struct nlattr *nla_table, *nla_entry; | |
211 | struct rd *rd = data; | |
212 | int ret = MNL_CB_OK; | |
213 | const char *name; | |
214 | uint32_t idx; | |
215 | ||
216 | mnl_attr_parse(nlh, 0, rd_attr_cb, tb); | |
217 | if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] || | |
218 | !tb[RDMA_NLDEV_ATTR_RES_QP]) | |
219 | return MNL_CB_ERROR; | |
220 | ||
221 | name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); | |
222 | idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
223 | nla_table = tb[RDMA_NLDEV_ATTR_RES_QP]; | |
224 | ||
225 | mnl_attr_for_each_nested(nla_entry, nla_table) { | |
226 | struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {}; | |
227 | ||
228 | ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line); | |
229 | if (ret != MNL_CB_OK) | |
230 | break; | |
231 | ||
232 | ret = res_qp_line(rd, name, idx, nla_line); | |
233 | if (ret != MNL_CB_OK) | |
234 | break; | |
235 | } | |
236 | return ret; | |
237 | } |