| /* 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))); |
