3 files changed, 180 insertions, 0 deletions
diff --git a/src/spdk/app/iscsi_tgt/.gitignore b/src/spdk/app/iscsi_tgt/.gitignore
new file mode 100644
index 000000000..14d948c59
--- /dev/null
+++ b/src/spdk/app/iscsi_tgt/.gitignore
@@ -0,0 +1 @@
+iscsi_tgt
diff --git a/src/spdk/app/iscsi_tgt/Makefile b/src/spdk/app/iscsi_tgt/Makefile
new file mode 100644
index 000000000..6b695d91a
--- /dev/null
+++ b/src/spdk/app/iscsi_tgt/Makefile
@@ -0,0 +1,59 @@
+#
+#  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.
+#
+
+SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
+include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
+include $(SPDK_ROOT_DIR)/mk/spdk.modules.mk
+
+APP = iscsi_tgt
+
+# Add iSCSI library directory to include path
+# TODO: remove this once iSCSI has a public API header
+CFLAGS += -I$(SPDK_ROOT_DIR)/lib
+
+C_SRCS := iscsi_tgt.c
+
+SPDK_LIB_LIST = $(ALL_MODULES_LIST)
+SPDK_LIB_LIST += $(EVENT_BDEV_SUBSYSTEM) event_iscsi event_net event_scsi event
+SPDK_LIB_LIST += jsonrpc json rpc bdev_rpc bdev iscsi scsi accel trace conf
+SPDK_LIB_LIST += thread util log log_rpc app_rpc net sock notify
+
+ifeq ($(SPDK_ROOT_DIR)/lib/env_dpdk,$(CONFIG_ENV))
+SPDK_LIB_LIST += env_dpdk_rpc
+endif
+
+ifeq ($(OS),Linux)
+SPDK_LIB_LIST += event_nbd nbd
+endif
+
+include $(SPDK_ROOT_DIR)/mk/spdk.app.mk
diff --git a/src/spdk/app/iscsi_tgt/iscsi_tgt.c b/src/spdk/app/iscsi_tgt/iscsi_tgt.c
new file mode 100644
index 000000000..b780a3771
--- /dev/null
+++ b/src/spdk/app/iscsi_tgt/iscsi_tgt.c
@@ -0,0 +1,120 @@
+/*-
+ *   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/env.h"
+#include "spdk/event.h"
+#include "iscsi/iscsi.h"
+#include "spdk/log.h"
+#include "spdk/net.h"
+
+static int g_daemon_mode = 0;
+
+static void
+spdk_sigusr1(int signo __attribute__((__unused__)))
+{
+	char *config_str = NULL;
+	if (spdk_app_get_running_config(&config_str, "iscsi.conf") < 0) {
+		fprintf(stderr, "Error getting config\n");
+	} else {
+		fprintf(stdout, "============================\n");
+		fprintf(stdout, " iSCSI target running config\n");
+		fprintf(stdout, "=============================\n");
+		fprintf(stdout, "%s", config_str);
+	}
+	free(config_str);
+}
+
+static void
+iscsi_usage(void)
+{
+	printf(" -b                        run iscsi target background, the default is foreground\n");
+}
+
+static void
+spdk_startup(void *arg1)
+{
+	if (getenv("MEMZONE_DUMP") != NULL) {
+		spdk_memzone_dump(stdout);
+		fflush(stdout);
+	}
+}
+
+static int
+iscsi_parse_arg(int ch, char *arg)
+{
+	switch (ch) {
+	case 'b':
+		g_daemon_mode = 1;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+	int rc;
+	struct spdk_app_opts opts = {};
+
+	spdk_app_opts_init(&opts);
+	opts.name = "iscsi";
+	if ((rc = spdk_app_parse_args(argc, argv, &opts, "b", NULL,
+				      iscsi_parse_arg, iscsi_usage)) !=
+	    SPDK_APP_PARSE_ARGS_SUCCESS) {
+		exit(rc);
+	}
+
+	if (g_daemon_mode) {
+		if (daemon(1, 0) < 0) {
+			SPDK_ERRLOG("Start iscsi target daemon failed.\n");
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	opts.shutdown_cb = NULL;
+	opts.usr1_handler = spdk_sigusr1;
+
+	/* Blocks until the application is exiting */
+	rc = spdk_app_start(&opts, spdk_startup, NULL);
+	if (rc) {
+		SPDK_ERRLOG("Start iscsi target daemon:  spdk_app_start() retn non-zero\n");
+	}
+
+	spdk_app_fini();
+
+	return rc;
+}