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1da177e4 LT |
1 | /* |
2 | * File...........: linux/drivers/s390/block/dasd_diag.h | |
3 | * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> | |
4 | * Based on.......: linux/drivers/s390/block/mdisk.h | |
5 | * ...............: by Hartmunt Penner <hpenner@de.ibm.com> | |
6 | * Bugreports.to..: <Linux390@de.ibm.com> | |
7 | * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 | |
8 | * | |
9 | * $Revision: 1.6 $ | |
10 | */ | |
11 | ||
12 | #define MDSK_WRITE_REQ 0x01 | |
13 | #define MDSK_READ_REQ 0x02 | |
14 | ||
15 | #define INIT_BIO 0x00 | |
16 | #define RW_BIO 0x01 | |
17 | #define TERM_BIO 0x02 | |
18 | ||
19 | #define DEV_CLASS_FBA 0x01 | |
20 | #define DEV_CLASS_ECKD 0x04 | |
21 | ||
22 | struct dasd_diag_characteristics { | |
23 | u16 dev_nr; | |
24 | u16 rdc_len; | |
25 | u8 vdev_class; | |
26 | u8 vdev_type; | |
27 | u8 vdev_status; | |
28 | u8 vdev_flags; | |
29 | u8 rdev_class; | |
30 | u8 rdev_type; | |
31 | u8 rdev_model; | |
32 | u8 rdev_features; | |
33 | } __attribute__ ((packed, aligned(4))); | |
34 | ||
35 | struct dasd_diag_bio { | |
36 | u8 type; | |
37 | u8 status; | |
38 | u16 spare1; | |
39 | u32 block_number; | |
40 | u32 alet; | |
41 | u32 buffer; | |
42 | } __attribute__ ((packed, aligned(8))); | |
43 | ||
44 | struct dasd_diag_init_io { | |
45 | u16 dev_nr; | |
46 | u16 spare1[11]; | |
47 | u32 block_size; | |
48 | u32 offset; | |
49 | u32 start_block; | |
50 | u32 end_block; | |
51 | u32 spare2[6]; | |
52 | } __attribute__ ((packed, aligned(8))); | |
53 | ||
54 | struct dasd_diag_rw_io { | |
55 | u16 dev_nr; | |
56 | u16 spare1[11]; | |
57 | u8 key; | |
58 | u8 flags; | |
59 | u16 spare2; | |
60 | u32 block_count; | |
61 | u32 alet; | |
62 | u32 bio_list; | |
63 | u32 interrupt_params; | |
64 | u32 spare3[5]; | |
65 | } __attribute__ ((packed, aligned(8))); | |
66 |