patch-2.2.16 linux/drivers/s390/block/dasd_mdsk.h

• Lines: 64
• Date: Wed Jun 7 14:26:43 2000
• Orig file: v2.2.15/linux/drivers/s390/block/dasd_mdsk.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN v2.2.15/linux/drivers/s390/block/dasd_mdsk.h linux/drivers/s390/block/dasd_mdsk.h
@@ -0,0 +1,63 @@
+#ifndef DASD_MDSK_H
+#define DASD_MDSK_H
+
+#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   0x02	/* sure ?? */
+#define DEV_CLASS_CKD   0x04	/* sure ?? */
+
+#define MDSK_BIOS(x) (2*(x))
+
+typedef struct mdsk_dev_char_t {
+	u8 type;
+	u8 status;
+	u16 spare1;
+	u32 block_number;
+	u32 alet;
+	u32 buffer;
+} __attribute__ ((packed, aligned (8))) 
+
+mdsk_bio_t;
+
+typedef struct {
+	u16 dev_nr;
+	u16 spare1[11];
+	u32 block_size;
+	u32 offset;
+	u32 start_block;
+	u32 end_block;
+	u32 spare2[6];
+} __attribute__ ((packed, aligned (8))) 
+
+mdsk_init_io_t;
+
+typedef struct {
+	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))) 
+
+mdsk_rw_io_t;
+
+typedef struct {
+	long vdev;
+	long size;
+	long offset;
+	long blksize;
+	int force_mdsk;
+} mdsk_setup_data_t;
+
+#endif