Line data Source code
1 : /* SPDX-License-Identifier: BSD-3-Clause
2 : * Copyright (C) 2018 Intel Corporation.
3 : * All rights reserved.
4 : */
5 :
6 : #include "spdk/rpc.h"
7 : #include "spdk/string.h"
8 : #include "spdk/util.h"
9 : #include "spdk/env.h"
10 : #include "spdk/log.h"
11 :
12 : #include "spdk_internal/init.h"
13 :
14 : #include "subsystem.h"
15 :
16 : static void
17 0 : rpc_framework_get_subsystems(struct spdk_jsonrpc_request *request,
18 : const struct spdk_json_val *params)
19 : {
20 : struct spdk_json_write_ctx *w;
21 : struct spdk_subsystem *subsystem;
22 : struct spdk_subsystem_depend *deps;
23 :
24 0 : if (params) {
25 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
26 : "'framework_get_subsystems' requires no arguments");
27 0 : return;
28 : }
29 :
30 0 : w = spdk_jsonrpc_begin_result(request);
31 0 : spdk_json_write_array_begin(w);
32 0 : subsystem = subsystem_get_first();
33 0 : while (subsystem != NULL) {
34 0 : spdk_json_write_object_begin(w);
35 :
36 0 : spdk_json_write_named_string(w, "subsystem", subsystem->name);
37 0 : spdk_json_write_named_array_begin(w, "depends_on");
38 0 : deps = subsystem_get_first_depend();
39 0 : while (deps != NULL) {
40 0 : if (strcmp(subsystem->name, deps->name) == 0) {
41 0 : spdk_json_write_string(w, deps->depends_on);
42 : }
43 0 : deps = subsystem_get_next_depend(deps);
44 : }
45 0 : spdk_json_write_array_end(w);
46 0 : spdk_json_write_object_end(w);
47 0 : subsystem = subsystem_get_next(subsystem);
48 : }
49 0 : spdk_json_write_array_end(w);
50 0 : spdk_jsonrpc_end_result(request, w);
51 : }
52 :
53 0 : SPDK_RPC_REGISTER("framework_get_subsystems", rpc_framework_get_subsystems, SPDK_RPC_RUNTIME)
54 :
55 : struct rpc_framework_get_config_ctx {
56 : char *name;
57 : };
58 :
59 : static const struct spdk_json_object_decoder rpc_framework_get_config_ctx[] = {
60 : {"name", offsetof(struct rpc_framework_get_config_ctx, name), spdk_json_decode_string},
61 : };
62 :
63 : static void
64 0 : rpc_framework_get_config(struct spdk_jsonrpc_request *request,
65 : const struct spdk_json_val *params)
66 : {
67 0 : struct rpc_framework_get_config_ctx req = {};
68 : struct spdk_json_write_ctx *w;
69 : struct spdk_subsystem *subsystem;
70 :
71 0 : if (spdk_json_decode_object(params, rpc_framework_get_config_ctx,
72 : SPDK_COUNTOF(rpc_framework_get_config_ctx), &req)) {
73 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid arguments");
74 0 : return;
75 : }
76 :
77 0 : subsystem = subsystem_find(req.name);
78 0 : if (!subsystem) {
79 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
80 : "Subsystem '%s' not found", req.name);
81 0 : free(req.name);
82 0 : return;
83 : }
84 :
85 0 : free(req.name);
86 :
87 0 : w = spdk_jsonrpc_begin_result(request);
88 0 : subsystem_config_json(w, subsystem);
89 0 : spdk_jsonrpc_end_result(request, w);
90 : }
91 :
92 0 : SPDK_RPC_REGISTER("framework_get_config", rpc_framework_get_config, SPDK_RPC_RUNTIME)
93 :
94 : static void
95 0 : dump_pci_device(void *ctx, struct spdk_pci_device *dev)
96 : {
97 0 : struct spdk_json_write_ctx *w = ctx;
98 0 : struct spdk_pci_addr addr;
99 0 : char config[4096], bdf[32];
100 0 : int rc, length = 0;
101 :
102 0 : addr = spdk_pci_device_get_addr(dev);
103 0 : spdk_pci_addr_fmt(bdf, sizeof(bdf), &addr);
104 :
105 0 : spdk_json_write_object_begin(w);
106 0 : spdk_json_write_named_string(w, "address", bdf);
107 0 : spdk_json_write_named_string(w, "type", spdk_pci_device_get_type(dev));
108 :
109 0 : spdk_json_write_name(w, "config_space");
110 0 : rc = spdk_pci_device_cfg_read(dev, config, 256, 0);
111 0 : if (rc == 0) {
112 0 : length = 256;
113 :
114 0 : rc = spdk_pci_device_cfg_read(dev, &config[256], sizeof(config) - 256, 256);
115 0 : if (rc == 0 && spdk_mem_all_zero(&config[256], sizeof(config) - 256) != 0) {
116 : /* Don't write the extended config space if it's all zeroes */
117 0 : length = sizeof(config);
118 : }
119 : }
120 :
121 0 : spdk_json_write_bytearray(w, config, length);
122 0 : spdk_json_write_object_end(w);
123 0 : }
124 :
125 : static void
126 0 : rpc_framework_get_pci_devices(struct spdk_jsonrpc_request *request,
127 : const struct spdk_json_val *params)
128 : {
129 : struct spdk_json_write_ctx *w;
130 :
131 0 : if (params != NULL) {
132 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
133 : "framework_get_pci_devices doesn't accept any parameters.\n");
134 0 : return;
135 : }
136 :
137 0 : w = spdk_jsonrpc_begin_result(request);
138 :
139 0 : spdk_json_write_array_begin(w);
140 0 : spdk_pci_for_each_device(w, dump_pci_device);
141 0 : spdk_json_write_array_end(w);
142 :
143 0 : spdk_jsonrpc_end_result(request, w);
144 : }
145 0 : SPDK_RPC_REGISTER("framework_get_pci_devices", rpc_framework_get_pci_devices, SPDK_RPC_RUNTIME)
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