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authoratul.sabharwal@intel.com <atul.sabharwal@intel.com>2004-03-31 18:18:58 -0800
committerGreg KH <gregkh@suse.de>2005-04-26 21:35:13 -0700
commitfa5acd760db98d8f7ec810e44e8d4527b115e43c (patch)
tree9a29686e9e5780e834d4b36dc626e03d80bdcc61 /extras/chassis_id/table.c
parent52a8572366c15cc2676e3fad433f366ba3bc279c (diff)
[PATCH] Add chassis_id program to extras directory
Diffstat (limited to 'extras/chassis_id/table.c')
-rw-r--r--extras/chassis_id/table.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/extras/chassis_id/table.c b/extras/chassis_id/table.c
new file mode 100644
index 0000000000..418497edbe
--- /dev/null
+++ b/extras/chassis_id/table.c
@@ -0,0 +1,102 @@
+ /* -*-c-*-:
+ **
+ ** (C) 2003 Intel Corporation
+ ** Atul Sabharwal <atul.sabharwal@intel.com>
+ **
+ ** $Id: table.c,v 1.4 2004/03/18 21:56:24 atul Exp $
+ **
+ ** Distributed under the terms of the GNU Public License, v2.0 or
+ ** later.
+ **
+ ** Many parts heavily based on test-skeleton.c, by Ulrich Drepper;
+ ** with his permission, they have been re-licensed GPL, and his
+ ** copyright still applies on them.
+ **
+ */
+
+#include <stdio.h>
+#define TABLE_SIZE 100
+#define PROVISION_DB "/usr/local/bin/provision.tbl"
+
+struct provision_record
+{
+ int id;
+ int host_num; //port # or adaptor number
+ int num_disks;
+ int chassis_num;
+ int slot_num;
+ char serial_num[32];
+ char name[32];
+
+} ptable[TABLE_SIZE];
+
+int ptable_size;
+
+/* Initialize the provisioning table by reading the data from special file provision.tbl *
+ Return error if something does not work appropriately. */
+int table_init()
+{
+ FILE *fp;
+ char ptr[255];
+ int i;
+
+ fp=fopen( PROVISION_DB, "r");
+
+ if ((fp== NULL) || feof(fp))
+ return -1;
+
+ //skip the first line of text which contains descriptive details.
+ fgets(ptr, 80, fp);
+ i = 0;
+ while (!feof(fp))
+ {
+ fgets(ptr, 80, fp);
+ sscanf( ptr, "%d %d %d %d %d %s %s", &ptable[i].id, &ptable[i].host_num,
+ &ptable[i].num_disks, &ptable[i].chassis_num, &ptable[i].slot_num,
+ ptable[i].serial_num, ptable[i].name );
+ i++;
+ }
+
+ ptable_size = i;
+ fclose(fp);
+ return 0;
+}
+
+
+/* return -1 when no disk found. Otherwise return index of disk */
+int table_find_disk( char * serialnumber , int * host_num, int * chassis_num, int *slot_num)
+{
+
+ int i;
+
+ for(i = 0; i < ptable_size; i++)
+ {
+
+ if(strcmp(ptable[i].serial_num, serialnumber) == 0)
+ {
+
+ *host_num = ptable[i].host_num;
+ *chassis_num = ptable[i].chassis_num;
+ *slot_num = ptable[i].slot_num;
+ break;
+ }
+ }
+
+ if(i == ptable_size)
+ return -1;
+ else
+ return i;
+}
+
+/* This function is primarily there for passing the selected disk entry to udev so that *
+ * it can create descriptive GDN for it. So, for that we need to output this data to *
+ * stdout. */
+int table_select_disk( int diskindex )
+{
+ printf("%d ", ptable[diskindex].chassis_num);
+ printf("%d ", ptable[diskindex].slot_num);
+ printf("%d ", ptable[diskindex].host_num);
+ printf("%s ", ptable[diskindex].name);
+
+}
+