1 files changed, 66 insertions, 0 deletions

diff --git a/drivers/s390/block/dasd_diag.h b/drivers/s390/block/dasd_diag.h
new file mode 100644
index 000000000000..a0c38e303979
--- /dev/null
+++ b/drivers/s390/block/dasd_diag.h
@@ -0,0 +1,66 @@
+/* 
+ * File...........: linux/drivers/s390/block/dasd_diag.h
+ * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
+ * Based on.......: linux/drivers/s390/block/mdisk.h
+ * ...............: by Hartmunt Penner <hpenner@de.ibm.com>
+ * Bugreports.to..: <Linux390@de.ibm.com>
+ * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
+ *
+ * $Revision: 1.6 $
+ */
+
+#define MDSK_WRITE_REQ 0x01
+#define MDSK_READ_REQ  0x02
+
+#define INIT_BIO        0x00
+#define RW_BIO          0x01
+#define TERM_BIO        0x02
+
+#define DEV_CLASS_FBA   0x01
+#define DEV_CLASS_ECKD  0x04
+
+struct dasd_diag_characteristics {
+        u16 dev_nr;
+        u16 rdc_len;
+        u8 vdev_class;
+        u8 vdev_type;
+        u8 vdev_status;
+        u8 vdev_flags;
+        u8 rdev_class;
+        u8 rdev_type;
+        u8 rdev_model;
+        u8 rdev_features;
+} __attribute__ ((packed, aligned(4)));
+
+struct dasd_diag_bio {
+        u8 type;
+        u8 status;
+        u16 spare1;
+        u32 block_number;
+        u32 alet;
+        u32 buffer;
+} __attribute__ ((packed, aligned(8)));
+
+struct dasd_diag_init_io {
+        u16 dev_nr;
+        u16 spare1[11];
+        u32 block_size;
+        u32 offset;
+        u32 start_block;
+        u32 end_block;
+        u32 spare2[6];
+} __attribute__ ((packed, aligned(8)));
+
+struct dasd_diag_rw_io {
+        u16 dev_nr;
+        u16 spare1[11];
+        u8 key;
+        u8 flags;
+        u16 spare2;
+        u32 block_count;
+        u32 alet;
+        u32 bio_list;
+        u32 interrupt_params;
+        u32 spare3[5];
+} __attribute__ ((packed, aligned(8)));
+