Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / tools / usb / usbip / src / usbip.c
diff --git a/kernel/tools/usb/usbip/src/usbip.c b/kernel/tools/usb/usbip/src/usbip.c
new file mode 100644 (file)
index 0000000..d7599d9
--- /dev/null
@@ -0,0 +1,201 @@
+/*
+ * command structure borrowed from udev
+ * (git://git.kernel.org/pub/scm/linux/hotplug/udev.git)
+ *
+ * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
+ *               2005-2007 Takahiro Hirofuchi
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <getopt.h>
+#include <syslog.h>
+
+#include "usbip_common.h"
+#include "usbip_network.h"
+#include "usbip.h"
+
+static int usbip_help(int argc, char *argv[]);
+static int usbip_version(int argc, char *argv[]);
+
+static const char usbip_version_string[] = PACKAGE_STRING;
+
+static const char usbip_usage_string[] =
+       "usbip [--debug] [--log] [--tcp-port PORT] [version]\n"
+       "             [help] <command> <args>\n";
+
+static void usbip_usage(void)
+{
+       printf("usage: %s", usbip_usage_string);
+}
+
+struct command {
+       const char *name;
+       int (*fn)(int argc, char *argv[]);
+       const char *help;
+       void (*usage)(void);
+};
+
+static const struct command cmds[] = {
+       {
+               .name  = "help",
+               .fn    = usbip_help,
+               .help  = NULL,
+               .usage = NULL
+       },
+       {
+               .name  = "version",
+               .fn    = usbip_version,
+               .help  = NULL,
+               .usage = NULL
+       },
+       {
+               .name  = "attach",
+               .fn    = usbip_attach,
+               .help  = "Attach a remote USB device",
+               .usage = usbip_attach_usage
+       },
+       {
+               .name  = "detach",
+               .fn    = usbip_detach,
+               .help  = "Detach a remote USB device",
+               .usage = usbip_detach_usage
+       },
+       {
+               .name  = "list",
+               .fn    = usbip_list,
+               .help  = "List exportable or local USB devices",
+               .usage = usbip_list_usage
+       },
+       {
+               .name  = "bind",
+               .fn    = usbip_bind,
+               .help  = "Bind device to " USBIP_HOST_DRV_NAME ".ko",
+               .usage = usbip_bind_usage
+       },
+       {
+               .name  = "unbind",
+               .fn    = usbip_unbind,
+               .help  = "Unbind device from " USBIP_HOST_DRV_NAME ".ko",
+               .usage = usbip_unbind_usage
+       },
+       {
+               .name  = "port",
+               .fn    = usbip_port_show,
+               .help  = "Show imported USB devices",
+               .usage = NULL
+       },
+       { NULL, NULL, NULL, NULL }
+};
+
+static int usbip_help(int argc, char *argv[])
+{
+       const struct command *cmd;
+       int i;
+       int ret = 0;
+
+       if (argc > 1 && argv++) {
+               for (i = 0; cmds[i].name != NULL; i++)
+                       if (!strcmp(cmds[i].name, argv[0]) && cmds[i].usage) {
+                               cmds[i].usage();
+                               goto done;
+                       }
+               ret = -1;
+       }
+
+       usbip_usage();
+       printf("\n");
+       for (cmd = cmds; cmd->name != NULL; cmd++)
+               if (cmd->help != NULL)
+                       printf("  %-10s %s\n", cmd->name, cmd->help);
+       printf("\n");
+done:
+       return ret;
+}
+
+static int usbip_version(int argc, char *argv[])
+{
+       (void) argc;
+       (void) argv;
+
+       printf(PROGNAME " (%s)\n", usbip_version_string);
+       return 0;
+}
+
+static int run_command(const struct command *cmd, int argc, char *argv[])
+{
+       dbg("running command: `%s'", cmd->name);
+       return cmd->fn(argc, argv);
+}
+
+int main(int argc, char *argv[])
+{
+       static const struct option opts[] = {
+               { "debug",    no_argument,       NULL, 'd' },
+               { "log",      no_argument,       NULL, 'l' },
+               { "tcp-port", required_argument, NULL, 't' },
+               { NULL,       0,                 NULL,  0  }
+       };
+
+       char *cmd;
+       int opt;
+       int i, rc = -1;
+
+       usbip_use_stderr = 1;
+       opterr = 0;
+       for (;;) {
+               opt = getopt_long(argc, argv, "+dlt:", opts, NULL);
+
+               if (opt == -1)
+                       break;
+
+               switch (opt) {
+               case 'd':
+                       usbip_use_debug = 1;
+                       break;
+               case 'l':
+                       usbip_use_syslog = 1;
+                       openlog("", LOG_PID, LOG_USER);
+                       break;
+               case 't':
+                       usbip_setup_port_number(optarg);
+                       break;
+               case '?':
+                       printf("usbip: invalid option\n");
+               default:
+                       usbip_usage();
+                       goto out;
+               }
+       }
+
+       cmd = argv[optind];
+       if (cmd) {
+               for (i = 0; cmds[i].name != NULL; i++)
+                       if (!strcmp(cmds[i].name, cmd)) {
+                               argc -= optind;
+                               argv += optind;
+                               optind = 0;
+                               rc = run_command(&cmds[i], argc, argv);
+                               goto out;
+                       }
+       }
+
+       /* invalid command */
+       usbip_help(0, NULL);
+out:
+       return (rc > -1 ? EXIT_SUCCESS : EXIT_FAILURE);
+}