numam-spdk/lib/scsi/scsi_rpc.c
Daniel Verkamp 2bdec64fbf jsonrpc: modify API to pass request to handler
This will enable asynchronous request handling in a future patch, and it
also removes the need for the RPC handlers to know about request id and
the JSON-RPC rules about notification-only requests.

Change-Id: I25aaa8e48bff8d5594ffcccecb61842b1e31ec3c
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/368225
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
2017-07-06 13:48:12 -04:00

123 lines
3.6 KiB
C

/*-
* BSD LICENSE
*
* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "scsi_internal.h"
#include "spdk/rpc.h"
#include "spdk/util.h"
static void
spdk_rpc_get_luns(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct spdk_json_write_ctx *w;
struct spdk_lun_db_entry *current;
if (params != NULL) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"get_luns requires no parameters");
return;
}
w = spdk_jsonrpc_begin_result(request);
if (w == NULL) {
return;
}
spdk_json_write_array_begin(w);
current = spdk_scsi_lun_list_head;
while (current != NULL) {
struct spdk_scsi_lun *lun = current->lun;
spdk_json_write_object_begin(w);
spdk_json_write_name(w, "claimed");
spdk_json_write_bool(w, lun->claimed);
spdk_json_write_name(w, "name");
spdk_json_write_string(w, lun->name);
spdk_json_write_object_end(w);
current = current->next;
}
spdk_json_write_array_end(w);
spdk_jsonrpc_end_result(request, w);
}
SPDK_RPC_REGISTER("get_luns", spdk_rpc_get_luns)
static void
spdk_rpc_get_scsi_devices(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct spdk_json_write_ctx *w;
struct spdk_scsi_dev *devs = spdk_scsi_dev_get_list();
int i;
if (params != NULL) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"get_scsi_devices requires no parameters");
return;
}
w = spdk_jsonrpc_begin_result(request);
if (w == NULL) {
return;
}
spdk_json_write_array_begin(w);
for (i = 0; i < SPDK_SCSI_MAX_DEVS; i++) {
struct spdk_scsi_dev *dev = &devs[i];
if (!dev->is_allocated) {
continue;
}
spdk_json_write_object_begin(w);
spdk_json_write_name(w, "id");
spdk_json_write_int32(w, dev->id);
spdk_json_write_name(w, "device_name");
spdk_json_write_string(w, dev->name);
spdk_json_write_object_end(w);
}
spdk_json_write_array_end(w);
spdk_jsonrpc_end_result(request, w);
}
SPDK_RPC_REGISTER("get_scsi_devices", spdk_rpc_get_scsi_devices)