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66 lines
1.3 KiB
66 lines
1.3 KiB
/*
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* File...........: linux/drivers/s390/block/dasd_diag.h
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* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
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* Based on.......: linux/drivers/s390/block/mdisk.h
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* ...............: by Hartmunt Penner <hpenner@de.ibm.com>
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* Bugreports.to..: <Linux390@de.ibm.com>
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* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
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*
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* $Revision: 1.6 $
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*/
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#define MDSK_WRITE_REQ 0x01
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#define MDSK_READ_REQ 0x02
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#define INIT_BIO 0x00
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#define RW_BIO 0x01
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#define TERM_BIO 0x02
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#define DEV_CLASS_FBA 0x01
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#define DEV_CLASS_ECKD 0x04
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struct dasd_diag_characteristics {
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u16 dev_nr;
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u16 rdc_len;
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u8 vdev_class;
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u8 vdev_type;
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u8 vdev_status;
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u8 vdev_flags;
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u8 rdev_class;
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u8 rdev_type;
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u8 rdev_model;
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u8 rdev_features;
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} __attribute__ ((packed, aligned(4)));
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struct dasd_diag_bio {
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u8 type;
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u8 status;
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u16 spare1;
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u32 block_number;
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u32 alet;
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u32 buffer;
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} __attribute__ ((packed, aligned(8)));
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struct dasd_diag_init_io {
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u16 dev_nr;
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u16 spare1[11];
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u32 block_size;
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u32 offset;
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u32 start_block;
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u32 end_block;
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u32 spare2[6];
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} __attribute__ ((packed, aligned(8)));
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struct dasd_diag_rw_io {
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u16 dev_nr;
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u16 spare1[11];
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u8 key;
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u8 flags;
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u16 spare2;
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u32 block_count;
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u32 alet;
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u32 bio_list;
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u32 interrupt_params;
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u32 spare3[5];
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} __attribute__ ((packed, aligned(8)));
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