patch-2.4.2 linux/drivers/s390/block/dasd_diag.h

• Lines: 76
• Date: Tue Feb 13 14:13:44 2001
• Orig file: v2.4.1/linux/drivers/s390/block/dasd_diag.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.1/linux/drivers/s390/block/dasd_diag.h linux/drivers/s390/block/dasd_diag.h
@@ -0,0 +1,75 @@
+/* 
+ * 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
+ */
+
+#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
+#define DEV_CLASS_CKD   0x04
+
+typedef struct dasd_diag_characteristics_t {
+	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))) 
+
+dasd_diag_characteristics_t;
+
+typedef struct diag_bio_t {
+	u8 type;
+	u8 status;
+	u16 spare1;
+	u32 block_number;
+	u32 alet;
+	u32 buffer;
+} __attribute__ ((packed, aligned (8))) 
+
+diag_bio_t;
+
+typedef struct diag_init_io_t {
+	u16 dev_nr;
+	u16 spare1[11];
+	u32 block_size;
+	u32 offset;
+	u32 start_block;
+	u32 end_block;
+	u32 spare2[6];
+} __attribute__ ((packed, aligned (8))) 
+
+diag_init_io_t;
+
+typedef struct diag_rw_io_t {
+	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))) 
+
+diag_rw_io_t;
+
+int dasd_diag_init (void);
+void dasd_diag_cleanup(void);