patch-2.4.2 linux/drivers/s390/char/tapedefs.h

• Lines: 61
• Date: Tue Feb 13 14:13:44 2001
• Orig file: v2.4.1/linux/drivers/s390/char/tapedefs.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.1/linux/drivers/s390/char/tapedefs.h linux/drivers/s390/char/tapedefs.h
@@ -0,0 +1,60 @@
+/***********************************************************************
+ *  drivers/s390/char/tapedefs.h
+ *    tape device driver for S/390 tapes.
+ *
+ *  S390 version
+ *    Copyright (C) 2000 IBM Corporation
+ *    Author(s): Tuan Ngo-Anh <ngoanh@de.ibm.com>
+ *               Carsten Otte <cotte@de.ibm.com>
+ *
+ *  UNDER CONSTRUCTION: Work in progress... :-)
+ ***********************************************************************
+ */
+
+#define TAPE_DEBUG
+#define CONFIG_S390_TAPE_DYNAMIC //use dyn. dev. attach/detach
+#define TAPEBLOCK_RETRIES 20
+
+
+/* Kernel Version Compatibility section */
+#include <linux/version.h>
+#include <linux/blkdev.h>
+#include <linux/blk.h>
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,3,98))
+#define INIT_BLK_DEV(d_major,d_request_fn,d_queue_fn,d_current) \
+do { \
+        blk_dev[d_major].queue = d_queue_fn; \
+} while(0)
+static inline struct request * 
+tape_next_request( request_queue_t *queue ) 
+{
+        return blkdev_entry_next_request(&queue->queue_head);
+}
+static inline void 
+tape_dequeue_request( request_queue_t * q, struct request *req )
+{
+        blkdev_dequeue_request (req);
+}
+#else 
+typedef struct request *request_queue_t;
+#define init_waitqueue_head(x) do { *x = NULL; } while(0)
+#define blk_init_queue(x,y) do {} while(0)
+#define blk_queue_headactive(x,y) do {} while(0)
+#define INIT_BLK_DEV(d_major,d_request_fn,d_queue_fn,d_current) \
+do { \
+        blk_dev[d_major].request_fn = d_request_fn; \
+        blk_dev[d_major].queue = d_queue_fn; \
+        blk_dev[d_major].current_request = d_current; \
+} while(0)
+static inline struct request *
+tape_next_request( request_queue_t *queue ) 
+{
+    return *queue;
+}
+static inline void 
+tape_dequeue_request( request_queue_t * q, struct request *req )
+{
+        *q = req->next;
+        req->next = NULL;
+}
+#endif