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/*
* 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);
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