82 lines
1.6 KiB
C
82 lines
1.6 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
/*
|
||
|
|
* 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>
|
||
|
|
* Copyright IBM Corp. 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 DASD_DIAG_CODE_31BIT 0x03
|
||
|
|
#define DASD_DIAG_CODE_64BIT 0x07
|
||
|
|
|
||
|
|
#define DASD_DIAG_RWFLAG_ASYNC 0x02
|
||
|
|
#define DASD_DIAG_RWFLAG_NOCACHE 0x01
|
||
|
|
|
||
|
|
#define DASD_DIAG_FLAGA_FORMAT_64BIT 0x80
|
||
|
|
|
||
|
|
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)));
|
||
|
|
|
||
|
|
#define DASD_DIAG_FLAGA_DEFAULT DASD_DIAG_FLAGA_FORMAT_64BIT
|
||
|
|
|
||
|
|
typedef u64 blocknum_t;
|
||
|
|
typedef s64 sblocknum_t;
|
||
|
|
|
||
|
|
struct dasd_diag_bio {
|
||
|
|
u8 type;
|
||
|
|
u8 status;
|
||
|
|
u8 spare1[2];
|
||
|
|
u32 alet;
|
||
|
|
blocknum_t block_number;
|
||
|
|
void *buffer;
|
||
|
|
} __attribute__ ((packed, aligned(8)));
|
||
|
|
|
||
|
|
struct dasd_diag_init_io {
|
||
|
|
u16 dev_nr;
|
||
|
|
u8 flaga;
|
||
|
|
u8 spare1[21];
|
||
|
|
u32 block_size;
|
||
|
|
u8 spare2[4];
|
||
|
|
blocknum_t offset;
|
||
|
|
sblocknum_t start_block;
|
||
|
|
blocknum_t end_block;
|
||
|
|
u8 spare3[8];
|
||
|
|
} __attribute__ ((packed, aligned(8)));
|
||
|
|
|
||
|
|
struct dasd_diag_rw_io {
|
||
|
|
u16 dev_nr;
|
||
|
|
u8 flaga;
|
||
|
|
u8 spare1[21];
|
||
|
|
u8 key;
|
||
|
|
u8 flags;
|
||
|
|
u8 spare2[2];
|
||
|
|
u32 block_count;
|
||
|
|
u32 alet;
|
||
|
|
u8 spare3[4];
|
||
|
|
u64 interrupt_params;
|
||
|
|
struct dasd_diag_bio *bio_list;
|
||
|
|
u8 spare4[8];
|
||
|
|
} __attribute__ ((packed, aligned(8)));
|