Commit | Line | Data |
---|---|---|
138c014d | 1 | /* |
1da177e4 LT |
2 | * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> |
3 | * Based on.......: linux/drivers/s390/block/mdisk.h | |
4 | * ...............: by Hartmunt Penner <hpenner@de.ibm.com> | |
5 | * Bugreports.to..: <Linux390@de.ibm.com> | |
a53c8fab | 6 | * Copyright IBM Corp. 1999, 2000 |
1da177e4 | 7 | * |
1da177e4 LT |
8 | */ |
9 | ||
10 | #define MDSK_WRITE_REQ 0x01 | |
11 | #define MDSK_READ_REQ 0x02 | |
12 | ||
13 | #define INIT_BIO 0x00 | |
14 | #define RW_BIO 0x01 | |
15 | #define TERM_BIO 0x02 | |
16 | ||
17 | #define DEV_CLASS_FBA 0x01 | |
18 | #define DEV_CLASS_ECKD 0x04 | |
19 | ||
fd49f41a HH |
20 | #define DASD_DIAG_CODE_31BIT 0x03 |
21 | #define DASD_DIAG_CODE_64BIT 0x07 | |
22 | ||
23 | #define DASD_DIAG_RWFLAG_ASYNC 0x02 | |
24 | #define DASD_DIAG_RWFLAG_NOCACHE 0x01 | |
25 | ||
26 | #define DASD_DIAG_FLAGA_FORMAT_64BIT 0x80 | |
27 | ||
1da177e4 LT |
28 | struct dasd_diag_characteristics { |
29 | u16 dev_nr; | |
30 | u16 rdc_len; | |
31 | u8 vdev_class; | |
32 | u8 vdev_type; | |
33 | u8 vdev_status; | |
34 | u8 vdev_flags; | |
35 | u8 rdev_class; | |
36 | u8 rdev_type; | |
37 | u8 rdev_model; | |
38 | u8 rdev_features; | |
39 | } __attribute__ ((packed, aligned(4))); | |
40 | ||
fd49f41a HH |
41 | #define DASD_DIAG_FLAGA_DEFAULT DASD_DIAG_FLAGA_FORMAT_64BIT |
42 | ||
43 | typedef u64 blocknum_t; | |
44 | typedef s64 sblocknum_t; | |
45 | ||
46 | struct dasd_diag_bio { | |
47 | u8 type; | |
48 | u8 status; | |
49 | u8 spare1[2]; | |
50 | u32 alet; | |
51 | blocknum_t block_number; | |
86b368a5 | 52 | void *buffer; |
fd49f41a HH |
53 | } __attribute__ ((packed, aligned(8))); |
54 | ||
55 | struct dasd_diag_init_io { | |
56 | u16 dev_nr; | |
57 | u8 flaga; | |
58 | u8 spare1[21]; | |
59 | u32 block_size; | |
60 | u8 spare2[4]; | |
61 | blocknum_t offset; | |
62 | sblocknum_t start_block; | |
63 | blocknum_t end_block; | |
64 | u8 spare3[8]; | |
65 | } __attribute__ ((packed, aligned(8))); | |
66 | ||
67 | struct dasd_diag_rw_io { | |
68 | u16 dev_nr; | |
69 | u8 flaga; | |
70 | u8 spare1[21]; | |
71 | u8 key; | |
72 | u8 flags; | |
73 | u8 spare2[2]; | |
74 | u32 block_count; | |
75 | u32 alet; | |
76 | u8 spare3[4]; | |
77 | u64 interrupt_params; | |
86b368a5 | 78 | struct dasd_diag_bio *bio_list; |
fd49f41a HH |
79 | u8 spare4[8]; |
80 | } __attribute__ ((packed, aligned(8))); |