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-rw-r--r--src/spdk/app/spdk_tgt/spdk_tgt.c124
1 files changed, 124 insertions, 0 deletions
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 <file> pidfile save pid to file under given path\n");
+#ifdef SPDK_CONFIG_VHOST
+ printf(" -S <path> 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;
+}