diff options
Diffstat (limited to 'drivers/s390/block/dasd_diag.h')
| -rw-r--r-- | drivers/s390/block/dasd_diag.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd_diag.h b/drivers/s390/block/dasd_diag.h new file mode 100644 index 00000000000..a0c38e30397 --- /dev/null +++ b/drivers/s390/block/dasd_diag.h @@ -0,0 +1,66 @@ +/* + * 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 + * + * $Revision: 1.6 $ + */ + +#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 + +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))); + +struct dasd_diag_bio { + u8 type; + u8 status; + u16 spare1; + u32 block_number; + u32 alet; + u32 buffer; +} __attribute__ ((packed, aligned(8))); + +struct dasd_diag_init_io { + u16 dev_nr; + u16 spare1[11]; + u32 block_size; + u32 offset; + u32 start_block; + u32 end_block; + u32 spare2[6]; +} __attribute__ ((packed, aligned(8))); + +struct dasd_diag_rw_io { + 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))); + |