xref: /spdk/lib/scsi/scsi_rpc.c (revision a6014eb2adf0c95816b23ef94a911005fa047511)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
5  *   Copyright (c) Intel Corporation.
6  *   All rights reserved.
7  *
8  *   Redistribution and use in source and binary forms, with or without
9  *   modification, are permitted provided that the following conditions
10  *   are met:
11  *
12  *     * Redistributions of source code must retain the above copyright
13  *       notice, this list of conditions and the following disclaimer.
14  *     * Redistributions in binary form must reproduce the above copyright
15  *       notice, this list of conditions and the following disclaimer in
16  *       the documentation and/or other materials provided with the
17  *       distribution.
18  *     * Neither the name of Intel Corporation nor the names of its
19  *       contributors may be used to endorse or promote products derived
20  *       from this software without specific prior written permission.
21  *
22  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #include "scsi_internal.h"
36 
37 #include "spdk/rpc.h"
38 #include "spdk/util.h"
39 
40 static void
41 spdk_rpc_get_luns(struct spdk_jsonrpc_request *request,
42 		  const struct spdk_json_val *params)
43 {
44 	struct spdk_json_write_ctx *w;
45 	struct spdk_lun_db_entry *current;
46 
47 	if (params != NULL) {
48 		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
49 						 "get_luns requires no parameters");
50 		return;
51 	}
52 
53 	w = spdk_jsonrpc_begin_result(request);
54 	if (w == NULL) {
55 		return;
56 	}
57 
58 	spdk_json_write_array_begin(w);
59 
60 	current = spdk_scsi_lun_list_head;
61 	while (current != NULL) {
62 		struct spdk_scsi_lun *lun = current->lun;
63 
64 		spdk_json_write_object_begin(w);
65 		spdk_json_write_name(w, "claimed");
66 		spdk_json_write_bool(w, lun->claimed);
67 		spdk_json_write_name(w, "name");
68 		spdk_json_write_string(w, lun->name);
69 		spdk_json_write_object_end(w);
70 
71 		current = current->next;
72 	}
73 
74 	spdk_json_write_array_end(w);
75 
76 	spdk_jsonrpc_end_result(request, w);
77 }
78 SPDK_RPC_REGISTER("get_luns", spdk_rpc_get_luns)
79 
80 static void
81 spdk_rpc_get_scsi_devices(struct spdk_jsonrpc_request *request,
82 			  const struct spdk_json_val *params)
83 {
84 	struct spdk_json_write_ctx *w;
85 	struct spdk_scsi_dev *devs = spdk_scsi_dev_get_list();
86 	int i;
87 
88 	if (params != NULL) {
89 		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
90 						 "get_scsi_devices requires no parameters");
91 		return;
92 	}
93 
94 	w = spdk_jsonrpc_begin_result(request);
95 	if (w == NULL) {
96 		return;
97 	}
98 
99 	spdk_json_write_array_begin(w);
100 
101 	for (i = 0; i < SPDK_SCSI_MAX_DEVS; i++) {
102 		struct spdk_scsi_dev *dev = &devs[i];
103 
104 		if (!dev->is_allocated) {
105 			continue;
106 		}
107 
108 		spdk_json_write_object_begin(w);
109 
110 		spdk_json_write_name(w, "id");
111 		spdk_json_write_int32(w, dev->id);
112 
113 		spdk_json_write_name(w, "device_name");
114 		spdk_json_write_string(w, dev->name);
115 
116 		spdk_json_write_object_end(w);
117 	}
118 	spdk_json_write_array_end(w);
119 
120 	spdk_jsonrpc_end_result(request, w);
121 }
122 SPDK_RPC_REGISTER("get_scsi_devices", spdk_rpc_get_scsi_devices)
123