xref: /spdk/lib/scsi/scsi_rpc.c (revision 6f338d4bf3a8a91b7abe377a605a321ea2b05bf7)
1 /*   SPDX-License-Identifier: BSD-3-Clause
2  *   Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
3  *   Copyright (c) Intel Corporation.
4  *   All rights reserved.
5  */
6 
7 #include "scsi_internal.h"
8 
9 #include "spdk/rpc.h"
10 #include "spdk/util.h"
11 
12 static void
13 rpc_scsi_get_devices(struct spdk_jsonrpc_request *request,
14 		     const struct spdk_json_val *params)
15 {
16 	struct spdk_json_write_ctx *w;
17 	struct spdk_scsi_dev *devs = scsi_dev_get_list();
18 	int i;
19 
20 	if (params != NULL) {
21 		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
22 						 "scsi_get_devices requires no parameters");
23 		return;
24 	}
25 
26 	w = spdk_jsonrpc_begin_result(request);
27 	spdk_json_write_array_begin(w);
28 
29 	for (i = 0; i < SPDK_SCSI_MAX_DEVS; i++) {
30 		struct spdk_scsi_dev *dev = &devs[i];
31 
32 		if (!dev->is_allocated) {
33 			continue;
34 		}
35 
36 		spdk_json_write_object_begin(w);
37 
38 		spdk_json_write_named_int32(w, "id", dev->id);
39 
40 		spdk_json_write_named_string(w, "device_name", dev->name);
41 
42 		spdk_json_write_object_end(w);
43 	}
44 	spdk_json_write_array_end(w);
45 
46 	spdk_jsonrpc_end_result(request, w);
47 }
48 SPDK_RPC_REGISTER("scsi_get_devices", rpc_scsi_get_devices, SPDK_RPC_RUNTIME)
49