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, 136 insertions, 0 deletions

diff --git a/src/sg_reset.c b/src/sg_reset.c
new file mode 100644
index 00000000..4a242b16
--- /dev/null
+++ b/src/sg_reset.c
@@ -0,0 +1,136 @@
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include "sg_io_linux.h"
+
+/* Test code for D. Gilbert's extensions to the Linux OS SCSI generic ("sg")
+   device driver.
+*  Copyright (C) 1999-2007 D. Gilbert
+*  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.
+
+   This program send either device, bus or host resets to device,
+   or bus or host associated with the given sg device.
+
+*/
+
+#define ME "sg_reset: "
+
+static char * version_str = "0.55 20070714";
+
+#ifndef SG_SCSI_RESET
+#define SG_SCSI_RESET 0x2284
+#endif
+
+#ifndef SG_SCSI_RESET_NOTHING
+#define SG_SCSI_RESET_NOTHING 0
+#define SG_SCSI_RESET_DEVICE 1
+#define SG_SCSI_RESET_BUS 2
+#define SG_SCSI_RESET_HOST 3
+#endif
+
+
+
+int main(int argc, char * argv[])
+{
+    int sg_fd, res, k;
+    int do_device_reset = 0;
+    int do_bus_reset = 0;
+    int do_host_reset = 0;
+    char * file_name = 0;
+
+    for (k = 1; k < argc; ++k) {
+        if (0 == strcmp("-d", argv[k]))
+            do_device_reset = 1;
+        else if (0 == strcmp("-b", argv[k]))
+            do_bus_reset = 1;
+        else if (0 == strcmp("-h", argv[k]))
+            do_host_reset = 1;
+        else if (0 == strcmp("-V", argv[k])) {
+            fprintf(stderr, "Version string: %s\n", version_str);
+            exit(0);
+        } else if (*argv[k] == '-') {
+            printf("Unrecognized switch: %s\n", argv[k]);
+            file_name = 0;
+            break;
+        } else
+            file_name = argv[k];
+    }
+    if (0 == file_name) {
+        printf(
+        "Usage: sg_reset  [-b] [-d] [-h] [-V] DEVICE\n");
+        printf("  where: -b       attempt a SCSI bus reset\n");
+        printf("         -d       attempt a SCSI device reset\n");
+        printf("         -h       attempt a host adapter reset\n");
+        printf("         -V       print version string then exit\n\n");
+        printf("   {if no switch given then check if reset underway}\n");
+        printf("To reset use '-d' first, if that is unsuccessful, "
+               "then use '-b', then '-h'\n");
+        return 1;
+    }
+
+    sg_fd = open(file_name, O_RDWR | O_NONBLOCK);
+    if (sg_fd < 0) {
+        fprintf(stderr, ME "open error: %s: ", file_name);
+        perror("");
+        return 1;
+    }
+
+    k = SG_SCSI_RESET_NOTHING;
+    if (do_device_reset) {
+        printf(ME "starting device reset\n");
+        k = SG_SCSI_RESET_DEVICE;
+    }
+    else if (do_bus_reset) {
+        printf(ME "starting bus reset\n");
+        k = SG_SCSI_RESET_BUS;
+    }
+    else if (do_host_reset) {
+        printf(ME "starting host reset\n");
+        k = SG_SCSI_RESET_HOST;
+    }
+
+    res = ioctl(sg_fd, SG_SCSI_RESET, &k);
+    if (res < 0) {
+        if (EBUSY == errno)
+            printf(ME "BUSY, may be resetting now\n");
+        else if (EIO == errno)
+            printf(ME "requested type of reset may not be available\n");
+        else if (EACCES == errno)
+            printf(ME "reset requires CAP_SYS_ADMIN (root) "
+                   "permission\n");
+        else if (EINVAL == errno)
+            printf(ME "SG_SCSI_RESET not supported\n");
+        else if (EIO == errno)
+            printf(ME "scsi_reset_provider() call failed\n");
+        else
+            perror(ME "SG_SCSI_RESET failed");
+        return 1;
+    }
+    if (SG_SCSI_RESET_NOTHING == k)
+        printf(ME "did nothing, device is normal mode\n");
+    else if (SG_SCSI_RESET_DEVICE == k)
+        printf(ME "completed device reset\n");
+    else if (SG_SCSI_RESET_BUS == k)
+        printf(ME "completed bus reset\n");
+    else if (SG_SCSI_RESET_HOST == k)
+        printf(ME "completed host reset\n");
+
+    if (close(sg_fd) < 0) {
+        perror(ME "close error");
+        return 1;
+    }
+    return 0;
+}