--- /dev/null
+/*-
+ * 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 <inttypes.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <rte_config.h>
+#include <rte_lcore.h>
+
+#include "spdk/env.h"
+#include "spdk/event.h"
+#include "iscsi/iscsi.h"
+#include "spdk/log.h"
+#include "spdk/net.h"
+
+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
+usage(char *executable_name)
+{
+ struct spdk_app_opts opts;
+
+ spdk_app_opts_init(&opts);
+
+ printf("%s [options]\n", executable_name);
+ printf("options:\n");
+ printf(" -c config config file (default %s)\n", SPDK_ISCSI_DEFAULT_CONFIG);
+ printf(" -e mask tracepoint group mask for spdk trace buffers (default 0x0)\n");
+ printf(" -m mask core mask for DPDK\n");
+ printf(" -i shared memory ID (optional)\n");
+ printf(" -l facility use specific syslog facility (default %s)\n",
+ opts.log_facility);
+ printf(" -n channel number of memory channels used for DPDK\n");
+ printf(" -p core master (primary) core for DPDK\n");
+ printf(" -s size memory size in MB for DPDK\n");
+ spdk_tracelog_usage(stdout, "-t");
+ printf(" -H show this usage\n");
+ printf(" -b run iscsi target background, the default is foreground\n");
+ printf(" -d disable coredump file enabling\n");
+ printf(" -q disable notice level logging to stderr\n");
+}
+
+static void
+spdk_startup(void *arg1, void *arg2)
+{
+ if (getenv("MEMZONE_DUMP") != NULL) {
+ spdk_memzone_dump(stdout);
+ fflush(stdout);
+ }
+}
+
+int
+main(int argc, char **argv)
+{
+ int ch;
+ int rc, app_rc;
+ int daemon_mode = 0;
+ struct spdk_app_opts opts = {};
+
+ /* default value in opts structure */
+ spdk_app_opts_init(&opts);
+
+ opts.config_file = SPDK_ISCSI_DEFAULT_CONFIG;
+ opts.name = "iscsi";
+
+ while ((ch = getopt(argc, argv, "bc:de:i:l:m:n:p:qs:t:H")) != -1) {
+ switch (ch) {
+ case 'd':
+ opts.enable_coredump = false;
+ break;
+ case 'c':
+ opts.config_file = optarg;
+ break;
+ case 'i':
+ opts.shm_id = atoi(optarg);
+ break;
+ case 'l':
+ opts.log_facility = optarg;
+ break;
+ case 't':
+ rc = spdk_log_set_trace_flag(optarg);
+ if (rc < 0) {
+ fprintf(stderr, "unknown flag\n");
+ usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+#ifndef DEBUG
+ fprintf(stderr, "%s must be built with CONFIG_DEBUG=y for -t flag\n",
+ argv[0]);
+ usage(argv[0]);
+ exit(EXIT_FAILURE);
+#endif
+ break;
+ case 'e':
+ opts.tpoint_group_mask = optarg;
+ break;
+ case 'q':
+ spdk_g_notice_stderr_flag = 0;
+ break;
+ case 'm':
+ opts.reactor_mask = optarg;
+ break;
+ case 'n':
+ opts.dpdk_mem_channel = atoi(optarg);
+ break;
+ case 'p':
+ opts.dpdk_master_core = atoi(optarg);
+ break;
+ case 's':
+ opts.dpdk_mem_size = atoi(optarg);
+ break;
+ case 'b':
+ daemon_mode = 1;
+ break;
+ case 'H':
+ default:
+ usage(argv[0]);
+ exit(EXIT_SUCCESS);
+ }
+ }
+
+ if (daemon_mode) {
+ if (daemon(1, 0) < 0) {
+ SPDK_ERRLOG("Start iscsi target daemon faild.\n");
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ if (spdk_g_notice_stderr_flag == 1 &&
+ isatty(STDERR_FILENO) &&
+ !strncmp(ttyname(STDERR_FILENO), "/dev/tty", strlen("/dev/tty"))) {
+ printf("Warning: printing stderr to console terminal without -q option specified.\n");
+ printf("Suggest using -q to disable logging to stderr and monitor syslog, or\n");
+ printf("redirect stderr to a file.\n");
+ printf("(Delaying for 10 seconds...)\n");
+ sleep(10);
+ }
+
+ optind = 1; /* reset the optind */
+
+ opts.shutdown_cb = spdk_iscsi_shutdown;
+ opts.usr1_handler = spdk_sigusr1;
+ spdk_app_init(&opts);
+
+ printf("Total cores available: %d\n", rte_lcore_count());
+ printf("Using net framework %s\n", spdk_net_framework_get_name());
+ /* Blocks until the application is exiting */
+ app_rc = spdk_app_start(spdk_startup, NULL, NULL);
+
+ rc = spdk_app_fini();
+
+ return app_rc ? app_rc : rc;
+}
projects / ceph.git / blobdiff