From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- src/spdk/app/spdk_tgt/spdk_tgt.c | 124 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 src/spdk/app/spdk_tgt/spdk_tgt.c (limited to 'src/spdk/app/spdk_tgt/spdk_tgt.c') diff --git a/src/spdk/app/spdk_tgt/spdk_tgt.c b/src/spdk/app/spdk_tgt/spdk_tgt.c new file mode 100644 index 000000000..03f3098cd --- /dev/null +++ b/src/spdk/app/spdk_tgt/spdk_tgt.c @@ -0,0 +1,124 @@ +/*- + * BSD LICENSE + * + * 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 "spdk/stdinc.h" + +#include "spdk/config.h" +#include "spdk/env.h" +#include "spdk/event.h" +#include "spdk/vhost.h" + +#ifdef SPDK_CONFIG_VHOST +#define SPDK_VHOST_OPTS "S:" +#else +#define SPDK_VHOST_OPTS +#endif + +static const char *g_pid_path = NULL; +static const char g_spdk_tgt_get_opts_string[] = "f:" SPDK_VHOST_OPTS; + +static void +spdk_tgt_usage(void) +{ + printf(" -f pidfile save pid to file under given path\n"); +#ifdef SPDK_CONFIG_VHOST + printf(" -S directory where to create vhost sockets (default: pwd)\n"); +#endif +} + +static void +spdk_tgt_save_pid(const char *pid_path) +{ + FILE *pid_file; + + pid_file = fopen(pid_path, "w"); + if (pid_file == NULL) { + fprintf(stderr, "Couldn't create pid file '%s': %s\n", pid_path, strerror(errno)); + exit(EXIT_FAILURE); + } + + fprintf(pid_file, "%d\n", getpid()); + fclose(pid_file); +} + + +static int +spdk_tgt_parse_arg(int ch, char *arg) +{ + switch (ch) { + case 'f': + g_pid_path = arg; + break; +#ifdef SPDK_CONFIG_VHOST + case 'S': + spdk_vhost_set_socket_path(arg); + break; +#endif + default: + return -EINVAL; + } + return 0; +} + +static void +spdk_tgt_started(void *arg1) +{ + if (g_pid_path) { + spdk_tgt_save_pid(g_pid_path); + } + + if (getenv("MEMZONE_DUMP") != NULL) { + spdk_memzone_dump(stdout); + fflush(stdout); + } +} + +int +main(int argc, char **argv) +{ + struct spdk_app_opts opts = {}; + int rc; + + spdk_app_opts_init(&opts); + opts.name = "spdk_tgt"; + if ((rc = spdk_app_parse_args(argc, argv, &opts, g_spdk_tgt_get_opts_string, + NULL, spdk_tgt_parse_arg, spdk_tgt_usage)) != + SPDK_APP_PARSE_ARGS_SUCCESS) { + return rc; + } + + rc = spdk_app_start(&opts, spdk_tgt_started, NULL); + spdk_app_fini(); + + return rc; +} -- cgit v1.2.3