rearrange files into include, src, lib and doc directories

git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@100 6180dd3e-e324-4e3e-922d-17de1ae2f315

1 files changed, 165 insertions, 0 deletions

diff --git a/src/sg_emc_trespass.c b/src/sg_emc_trespass.c
new file mode 100644
index 00000000..6f270000
--- /dev/null
+++ b/src/sg_emc_trespass.c
@@ -0,0 +1,165 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include "sg_lib.h"
+#include "sg_cmds_basic.h"
+
+/* The program allows the user to send a trespass command to change the
+ * LUN ownership from one Service-Processor to this one on an EMC
+ * CLARiiON and potentially other devices.
+ *
+ * Copyright (C) 2004 Lars Marowsky-Bree <lmb@suse.de>
+ *
+ * Based on sg_start.c; credits from there also apply.
+ * Minor modifications for sg_lib, D. Gilbert 2004/10/19
+ * 
+ *  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, or (at your option)
+ *  any later version.
+ */
+
+static char * version_str = "0.16 20070714";
+
+static int debug = 0;
+
+#define TRESPASS_PAGE           0x22
+
+static int do_trespass(int fd, int hr, int short_cmd)
+{
+        unsigned char long_trespass_pg[] =
+                { 0, 0, 0, 0, 0, 0, 0, 0x00, 
+                  TRESPASS_PAGE,        /* Page code */
+                  0x09,                 /* Page length - 2 */
+                  0x81,                 /* Trespass code + Honor reservation bit */
+                  0xff, 0xff,           /* Trespass target */
+                  0, 0, 0, 0, 0, 0      /* Reserved bytes / unknown */
+        };
+        unsigned char short_trespass_pg[] =
+                { 0, 0, 0, 0, 
+                  TRESPASS_PAGE,        /* Page code */
+                  0x02,                 /* Page length - 2 */
+                  0x81,                 /* Trespass code + Honor reservation bit */
+                  0xff,                 /* Trespass target */
+        };
+        int res;
+
+        if (hr) {       /* override Trespass code + Honor reservation bit */
+                short_trespass_pg[6] = 0x01;
+                long_trespass_pg[10] = 0x01;
+        }
+        if (short_cmd)
+                res = sg_ll_mode_select6(fd, 1 /* pf */, 0 /* sp */,
+                                 short_trespass_pg, sizeof(short_trespass_pg),
+                                 1, (debug ? 2 : 0));
+        else
+                res = sg_ll_mode_select10(fd, 1 /* pf */, 0 /* sp */,
+                                 long_trespass_pg, sizeof(long_trespass_pg),
+                                 1, (debug ? 2 : 0));
+
+        switch (res) {
+        case 0:
+                if (debug)
+                        fprintf(stderr, "%s trespass successful\n",
+                                        short_cmd ? "short" : "long");
+                break;
+        case SG_LIB_CAT_INVALID_OP:
+        case SG_LIB_CAT_ILLEGAL_REQ:
+                fprintf(stderr, "%s form trepass page failed, try again %s "
+                        "'-s' option\n", short_cmd ? "short" : "long",
+                        short_cmd ? "without" : "with");
+                break;
+        case SG_LIB_CAT_NOT_READY:
+                fprintf(stderr, "device not ready\n");
+                break;
+        case SG_LIB_CAT_UNIT_ATTENTION:
+                fprintf(stderr, "unit attention\n");
+                break;
+        default:
+                if (debug)
+                        fprintf(stderr, "%s trespass failed\n",
+                                        short_cmd ? "short" : "long");
+                break;
+        }
+        return res;
+}
+
+void usage ()
+{
+        fprintf(stderr, "Usage:  sg_emc_trespass [-d] [-hr] [-s] "
+                        " [-V] DEVICE\n"
+               "  Change ownership of a LUN from another SP to this one.\n"
+               "  EMC CLARiiON CX-/AX-family + FC5300/FC4500/FC4700.\n"
+               "    -d : output debug\n"
+               "    -hr: Set Honor Reservation bit\n"
+               "    -s : Send Short Trespass Command page (default: long)\n"
+               "         (for FC series)\n"
+               "    -V: print version string then exit\n"
+               "     DEVICE   sg or block device (latter in lk 2.6.*)\n"
+               "        Example: sg_emc_trespass /dev/sda\n");
+        exit (1);
+}
+
+int main(int argc, char * argv[])
+{
+        char **argptr;
+        char * file_name = 0;
+        int k, fd;
+        int hr = 0;
+        int short_cmd = 0;
+        int ret = 0;
+        
+        if (argc < 2) 
+                usage ();
+
+        for (k = 1; k < argc; ++k) {
+                argptr = argv + k;
+                if (!strcmp (*argptr, "-d"))
+                        ++debug;
+                else if (!strcmp (*argptr, "-s"))
+                        short_cmd = 1;
+                else if (!strcmp (*argptr, "-hr"))
+                        hr = 1;
+                else if (!strcmp (*argptr, "-V")) {
+                        printf("Version string: %s\n", version_str);
+                        exit(0);
+                }
+                else if (*argv[k] == '-') {
+                        fprintf(stderr, "Unrecognized switch: %s\n", argv[k]);
+                        file_name = 0;
+                        break;
+                }
+                else if (0 == file_name)
+                        file_name = argv[k];
+                else {
+                        fprintf(stderr, "too many arguments\n");
+                        file_name = 0;
+                        break;
+                }
+        }
+        if (0 == file_name) {
+                usage();
+                return SG_LIB_SYNTAX_ERROR;
+        }
+                
+        fd = open(file_name, O_RDWR | O_NONBLOCK);
+        if (fd < 0) {
+                fprintf(stderr, "Error trying to open %s\n", file_name);
+                perror("");
+                usage();
+                return SG_LIB_FILE_ERROR;
+        }
+       
+        ret = do_trespass(fd, hr, short_cmd);
+        
+        close (fd);
+        return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
+}