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40df8263 LR |
1 | /* |
2 | * dev.c RDMA tool | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Leon Romanovsky <leonro@mellanox.com> | |
10 | */ | |
11 | ||
12 | #include "rdma.h" | |
13 | ||
14 | static int dev_help(struct rd *rd) | |
15 | { | |
16 | pr_out("Usage: %s dev show [DEV]\n", rd->filename); | |
17 | return 0; | |
18 | } | |
19 | ||
20 | static const char *dev_caps_to_str(uint32_t idx) | |
21 | { | |
22 | #define RDMA_DEV_FLAGS(x) \ | |
23 | x(RESIZE_MAX_WR, 0) \ | |
24 | x(BAD_PKEY_CNTR, 1) \ | |
25 | x(BAD_QKEY_CNTR, 2) \ | |
26 | x(RAW_MULTI, 3) \ | |
27 | x(AUTO_PATH_MIG, 4) \ | |
28 | x(CHANGE_PHY_PORT, 5) \ | |
29 | x(UD_AV_PORT_ENFORCE_PORT_ENFORCE, 6) \ | |
30 | x(CURR_QP_STATE_MOD, 7) \ | |
31 | x(SHUTDOWN_PORT, 8) \ | |
32 | x(INIT_TYPE, 9) \ | |
33 | x(PORT_ACTIVE_EVENT, 10) \ | |
34 | x(SYS_IMAGE_GUID, 11) \ | |
35 | x(RC_RNR_NAK_GEN, 12) \ | |
36 | x(SRQ_RESIZE, 13) \ | |
37 | x(N_NOTIFY_CQ, 14) \ | |
38 | x(LOCAL_DMA_LKEY, 15) \ | |
39 | x(MEM_WINDOW, 17) \ | |
40 | x(UD_IP_CSUM, 18) \ | |
41 | x(UD_TSO, 19) \ | |
42 | x(XRC, 20) \ | |
43 | x(MEM_MGT_EXTENSIONS, 21) \ | |
44 | x(BLOCK_MULTICAST_LOOPBACK, 22) \ | |
45 | x(MEM_WINDOW_TYPE_2A, 23) \ | |
46 | x(MEM_WINDOW_TYPE_2B, 24) \ | |
47 | x(RC_IP_CSUM, 25) \ | |
48 | x(RAW_IP_CSUM, 26) \ | |
49 | x(CROSS_CHANNEL, 27) \ | |
50 | x(MANAGED_FLOW_STEERING, 29) \ | |
51 | x(SIGNATURE_HANDOVER, 30) \ | |
52 | x(ON_DEMAND_PAGING, 31) \ | |
53 | x(SG_GAPS_REG, 32) \ | |
54 | x(VIRTUAL_FUNCTION, 33) \ | |
55 | x(RAW_SCATTER_FCS, 34) \ | |
56 | x(RDMA_NETDEV_OPA_VNIC, 35) | |
57 | ||
58 | enum { RDMA_DEV_FLAGS(RDMA_BITMAP_ENUM) }; | |
59 | ||
60 | static const char * const | |
61 | rdma_dev_names[] = { RDMA_DEV_FLAGS(RDMA_BITMAP_NAMES) }; | |
62 | #undef RDMA_DEV_FLAGS | |
63 | ||
64 | if (idx < ARRAY_SIZE(rdma_dev_names) && rdma_dev_names[idx]) | |
65 | return rdma_dev_names[idx]; | |
66 | return "UNKNOWN"; | |
67 | } | |
68 | ||
ef353e2e | 69 | static void dev_print_caps(struct rd *rd, struct nlattr **tb) |
40df8263 LR |
70 | { |
71 | uint64_t caps; | |
72 | uint32_t idx; | |
73 | ||
74 | if (!tb[RDMA_NLDEV_ATTR_CAP_FLAGS]) | |
75 | return; | |
76 | ||
77 | caps = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_CAP_FLAGS]); | |
78 | ||
ef353e2e LR |
79 | if (rd->json_output) { |
80 | jsonw_name(rd->jw, "caps"); | |
81 | jsonw_start_array(rd->jw); | |
82 | } else { | |
83 | pr_out("\n caps: <"); | |
84 | } | |
40df8263 LR |
85 | for (idx = 0; caps; idx++) { |
86 | if (caps & 0x1) { | |
ef353e2e LR |
87 | if (rd->json_output) { |
88 | jsonw_string(rd->jw, dev_caps_to_str(idx)); | |
89 | } else { | |
90 | pr_out("%s", dev_caps_to_str(idx)); | |
91 | if (caps >> 0x1) | |
92 | pr_out(", "); | |
93 | } | |
40df8263 LR |
94 | } |
95 | caps >>= 0x1; | |
96 | } | |
97 | ||
ef353e2e LR |
98 | if (rd->json_output) |
99 | jsonw_end_array(rd->jw); | |
100 | else | |
101 | pr_out(">"); | |
40df8263 LR |
102 | } |
103 | ||
ef353e2e | 104 | static void dev_print_fw(struct rd *rd, struct nlattr **tb) |
40df8263 | 105 | { |
ef353e2e | 106 | const char *str; |
40df8263 LR |
107 | if (!tb[RDMA_NLDEV_ATTR_FW_VERSION]) |
108 | return; | |
109 | ||
ef353e2e LR |
110 | str = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_FW_VERSION]); |
111 | if (rd->json_output) | |
112 | jsonw_string_field(rd->jw, "fw", str); | |
113 | else | |
114 | pr_out("fw %s ", str); | |
40df8263 LR |
115 | } |
116 | ||
ef353e2e | 117 | static void dev_print_node_guid(struct rd *rd, struct nlattr **tb) |
40df8263 LR |
118 | { |
119 | uint64_t node_guid; | |
ef353e2e LR |
120 | uint16_t vp[4]; |
121 | char str[32]; | |
40df8263 LR |
122 | |
123 | if (!tb[RDMA_NLDEV_ATTR_NODE_GUID]) | |
124 | return; | |
125 | ||
126 | node_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_NODE_GUID]); | |
ef353e2e LR |
127 | memcpy(vp, &node_guid, sizeof(uint64_t)); |
128 | snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]); | |
129 | if (rd->json_output) | |
130 | jsonw_string_field(rd->jw, "node_guid", str); | |
131 | else | |
132 | pr_out("node_guid %s ", str); | |
40df8263 LR |
133 | } |
134 | ||
ef353e2e | 135 | static void dev_print_sys_image_guid(struct rd *rd, struct nlattr **tb) |
40df8263 LR |
136 | { |
137 | uint64_t sys_image_guid; | |
ef353e2e LR |
138 | uint16_t vp[4]; |
139 | char str[32]; | |
40df8263 LR |
140 | |
141 | if (!tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID]) | |
142 | return; | |
143 | ||
144 | sys_image_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID]); | |
ef353e2e LR |
145 | memcpy(vp, &sys_image_guid, sizeof(uint64_t)); |
146 | snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]); | |
147 | if (rd->json_output) | |
148 | jsonw_string_field(rd->jw, "sys_image_guid", str); | |
149 | else | |
150 | pr_out("sys_image_guid %s ", str); | |
40df8263 LR |
151 | } |
152 | ||
153 | static const char *node_type_to_str(uint8_t node_type) | |
154 | { | |
155 | static const char * const node_type_str[] = { "unknown", "ca", | |
156 | "switch", "router", | |
157 | "rnic", "usnic", | |
158 | "usnic_dp" }; | |
159 | if (node_type < ARRAY_SIZE(node_type_str)) | |
160 | return node_type_str[node_type]; | |
161 | return "unknown"; | |
162 | } | |
163 | ||
ef353e2e | 164 | static void dev_print_node_type(struct rd *rd, struct nlattr **tb) |
40df8263 | 165 | { |
ef353e2e | 166 | const char *node_str; |
40df8263 LR |
167 | uint8_t node_type; |
168 | ||
169 | if (!tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE]) | |
170 | return; | |
171 | ||
172 | node_type = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE]); | |
ef353e2e LR |
173 | node_str = node_type_to_str(node_type); |
174 | if (rd->json_output) | |
175 | jsonw_string_field(rd->jw, "node_type", node_str); | |
176 | else | |
177 | pr_out("node_type %s ", node_str); | |
40df8263 LR |
178 | } |
179 | ||
180 | static int dev_parse_cb(const struct nlmsghdr *nlh, void *data) | |
181 | { | |
182 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; | |
183 | struct rd *rd = data; | |
ef353e2e LR |
184 | const char *name; |
185 | uint32_t idx; | |
40df8263 LR |
186 | |
187 | mnl_attr_parse(nlh, 0, rd_attr_cb, tb); | |
188 | if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME]) | |
189 | return MNL_CB_ERROR; | |
190 | ||
ef353e2e LR |
191 | idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); |
192 | name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); | |
193 | if (rd->json_output) { | |
194 | jsonw_uint_field(rd->jw, "ifindex", idx); | |
195 | jsonw_string_field(rd->jw, "ifname", name); | |
196 | } else { | |
197 | pr_out("%u: %s: ", idx, name); | |
198 | } | |
199 | ||
200 | dev_print_node_type(rd, tb); | |
201 | dev_print_fw(rd, tb); | |
202 | dev_print_node_guid(rd, tb); | |
203 | dev_print_sys_image_guid(rd, tb); | |
40df8263 | 204 | if (rd->show_details) |
ef353e2e | 205 | dev_print_caps(rd, tb); |
40df8263 | 206 | |
ef353e2e LR |
207 | if (!rd->json_output) |
208 | pr_out("\n"); | |
40df8263 LR |
209 | return MNL_CB_OK; |
210 | } | |
211 | ||
212 | static int dev_no_args(struct rd *rd) | |
213 | { | |
214 | uint32_t seq; | |
215 | int ret; | |
216 | ||
217 | rd_prepare_msg(rd, RDMA_NLDEV_CMD_GET, | |
218 | &seq, (NLM_F_REQUEST | NLM_F_ACK)); | |
219 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); | |
220 | ret = rd_send_msg(rd); | |
221 | if (ret) | |
222 | return ret; | |
223 | ||
ef353e2e LR |
224 | if (rd->json_output) |
225 | jsonw_start_object(rd->jw); | |
226 | ret = rd_recv_msg(rd, dev_parse_cb, rd, seq); | |
227 | if (rd->json_output) | |
228 | jsonw_end_object(rd->jw); | |
229 | return ret; | |
40df8263 LR |
230 | } |
231 | ||
232 | static int dev_one_show(struct rd *rd) | |
233 | { | |
234 | const struct rd_cmd cmds[] = { | |
235 | { NULL, dev_no_args}, | |
236 | { 0 } | |
237 | }; | |
238 | ||
239 | return rd_exec_cmd(rd, cmds, "parameter"); | |
240 | } | |
241 | ||
242 | static int dev_show(struct rd *rd) | |
243 | { | |
8b92a2c9 | 244 | return rd_exec_dev(rd, dev_one_show); |
40df8263 LR |
245 | } |
246 | ||
247 | int cmd_dev(struct rd *rd) | |
248 | { | |
249 | const struct rd_cmd cmds[] = { | |
250 | { NULL, dev_show }, | |
251 | { "show", dev_show }, | |
252 | { "list", dev_show }, | |
253 | { "help", dev_help }, | |
254 | { 0 } | |
255 | }; | |
256 | ||
257 | return rd_exec_cmd(rd, cmds, "dev command"); | |
258 | } |