1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
new file mode 100644
index 000000000..e757c435f
--- /dev/null
+++ b/drivers/s390/block/dasd_proc.c
@@ -0,0 +1,116 @@
+/*
+  Structure of the proc filesystem:
+  /proc/dasd/
+  /proc/dasd/devices                  # List of devices
+  /proc/dasd/ddabcd                   # Device node for devno abcd            
+  /proc/dasd/ddabcd1                  # Device node for partition abcd  
+  /proc/dasd/abcd                     # Device information for devno abcd
+*/
+
+#include <linux/proc_fs.h>
+
+#include <linux/dasd.h>
+
+#include "dasd_types.h"
+
+int dasd_proc_read_devices ( char *, char **, off_t, int);
+#ifdef DASD_PROFILE
+extern int dasd_proc_read_statistics ( char *, char **, off_t, int);
+extern int dasd_proc_read_debug ( char *, char **, off_t, int);
+#endif /* DASD_PROFILE */
+
+struct proc_dir_entry dasd_proc_root_entry = {
+	0,
+	4,"dasd",
+	S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR | S_IWGRP,
+	1,0,0,
+	0,
+	NULL,
+};
+
+struct proc_dir_entry dasd_proc_devices_entry = {
+	0,
+	7,"devices",
+	S_IFREG | S_IRUGO | S_IXUGO | S_IWUSR | S_IWGRP,
+	1,0,0,
+	0,
+	NULL,
+	&dasd_proc_read_devices,
+};
+
+#ifdef DASD_PROFILE
+struct proc_dir_entry dasd_proc_stats_entry = {
+	0,
+	10,"statistics",
+	S_IFREG | S_IRUGO | S_IXUGO | S_IWUSR | S_IWGRP,
+	1,0,0,
+	0,
+	NULL,
+	&dasd_proc_read_statistics,
+};
+
+struct proc_dir_entry dasd_proc_debug_entry = {
+	0,
+	5,"debug",
+	S_IFREG | S_IRUGO | S_IXUGO | S_IWUSR | S_IWGRP,
+	1,0,0,
+	0,
+	NULL,
+	&dasd_proc_read_debug,
+};
+#endif /* DASD_PROFILE */
+
+struct proc_dir_entry dasd_proc_device_template = {
+	0,
+	6,"dd????",
+	S_IFBLK | S_IRUGO | S_IWUSR | S_IWGRP,
+	1,0,0,
+	0,
+	NULL,
+};
+
+void
+dasd_proc_init ( void )
+{
+	proc_register( & proc_root, & dasd_proc_root_entry);
+	proc_register( & dasd_proc_root_entry, & dasd_proc_devices_entry);
+#ifdef DASD_PROFILE
+ 	proc_register( & dasd_proc_root_entry, & dasd_proc_stats_entry); 
+ 	proc_register( & dasd_proc_root_entry, & dasd_proc_debug_entry); 
+#endif /* DASD_PROFILE */
+}
+
+
+int 
+dasd_proc_read_devices ( char * buf, char **start, off_t off, int len)
+{
+	int i;
+	len = sprintf ( buf, "dev# MAJ minor node        Format\n");
+	for ( i = 0; i < DASD_MAX_DEVICES; i++ ) {
+		dasd_information_t *info = dasd_info[i];
+		if ( ! info ) 
+			continue;
+		if ( len >= PAGE_SIZE - 80 )
+			len += sprintf ( buf + len, "terminated...\n");
+		len += sprintf ( buf + len,
+				 "%04X %3d %5d /dev/dasd%c",
+				 dasd_info[i]->info.devno,
+				 DASD_MAJOR,
+				 i << PARTN_BITS,
+				 'a' + i );
+                if (info->flags == DASD_INFO_FLAGS_NOT_FORMATTED) {
+			len += sprintf ( buf + len, "    n/a");
+		} else {
+			len += sprintf ( buf + len, " %6d", 
+					 info->sizes.bp_block);
+		}
+		len += sprintf ( buf + len, "\n");
+	} 
+	return len;
+}
+
+
+void 
+dasd_proc_add_node (int di) 
+{
+}