3b9c5e9c6a
nbd poller is put into spdk_nbd_disk. nbd test app no longer needs to process spdk_bdev. This enables upcomming patches to move nbd test app functionality to SPDK library. Change-Id: I1b563a49dc9488e8dcc20706be82b17fdbd07ff1 Signed-off-by: Xiaodong Liu <xiaodong.liu@intel.com> Reviewed-on: https://review.gerrithub.io/390093 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
140 lines
3.7 KiB
C
140 lines
3.7 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "spdk/stdinc.h"
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#include <linux/nbd.h>
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#include "spdk/nbd.h"
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#include "spdk/bdev.h"
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#include "spdk/env.h"
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#include "spdk/event.h"
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#include "spdk/io_channel.h"
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#include "spdk/log.h"
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#include "spdk/util.h"
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static struct spdk_nbd_disk *g_nbd_disk;
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static char *g_bdev_name;
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static char *g_nbd_name = "/dev/nbd0";
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#include "../common.c"
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static void
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nbd_shutdown(void)
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{
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spdk_nbd_stop(g_nbd_disk);
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spdk_app_stop(0);
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}
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static void
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nbd_start(void *arg1, void *arg2)
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{
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g_nbd_disk = spdk_nbd_start(g_bdev_name, g_nbd_name);
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if (g_nbd_disk == NULL) {
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spdk_app_stop(-1);
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return;
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}
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}
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static void usage(char *program_name)
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{
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printf("%s options\n", program_name);
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printf(" -b bdev export bdev via NBD (required)\n");
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printf(" -c conf configuration file (required)\n");
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printf(" -m mask core mask for distributing I/O submission/completion work\n");
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printf(" (default: 0x1 - use core 0 only)\n");
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printf(" -n dev nbd device name\n");
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printf(" (default: /dev/nbd0)\n");
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spdk_tracelog_usage(stdout, "-t");
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}
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int
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main(int argc, char **argv)
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{
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const char *config_file;
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const char *core_mask;
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int op;
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struct spdk_app_opts opts = {};
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/* default value */
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config_file = NULL;
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core_mask = NULL;
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while ((op = getopt(argc, argv, "b:c:m:n:t:")) != -1) {
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switch (op) {
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case 'b':
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g_bdev_name = optarg;
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break;
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case 'c':
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config_file = optarg;
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break;
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case 'm':
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core_mask = optarg;
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break;
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case 'n':
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g_nbd_name = optarg;
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break;
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case 't':
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if (spdk_log_set_trace_flag(optarg) < 0) {
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fprintf(stderr, "unknown flag\n");
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usage(argv[0]);
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exit(EXIT_FAILURE);
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}
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spdk_log_set_print_level(SPDK_LOG_DEBUG);
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#ifndef DEBUG
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fprintf(stderr, "%s must be rebuilt with CONFIG_DEBUG=y for -t flag.\n",
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argv[0]);
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usage(argv[0]);
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exit(EXIT_FAILURE);
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#endif
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break;
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default:
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usage(argv[0]);
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exit(1);
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}
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}
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if (!config_file || !g_bdev_name) {
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usage(argv[0]);
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exit(1);
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}
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bdevtest_init(config_file, core_mask, &opts);
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opts.shutdown_cb = nbd_shutdown;
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spdk_app_start(&opts, nbd_start, NULL, NULL);
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spdk_app_fini();
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return 0;
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}
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