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 | 41 | |
347a8dc3 | 42 | #ifdef CONFIG_64BIT |
fd49f41a HH |
43 | #define DASD_DIAG_FLAGA_DEFAULT DASD_DIAG_FLAGA_FORMAT_64BIT |
44 | ||
45 | typedef u64 blocknum_t; | |
46 | typedef s64 sblocknum_t; | |
47 | ||
48 | struct dasd_diag_bio { | |
49 | u8 type; | |
50 | u8 status; | |
51 | u8 spare1[2]; | |
52 | u32 alet; | |
53 | blocknum_t block_number; | |
86b368a5 | 54 | void *buffer; |
fd49f41a HH |
55 | } __attribute__ ((packed, aligned(8))); |
56 | ||
57 | struct dasd_diag_init_io { | |
58 | u16 dev_nr; | |
59 | u8 flaga; | |
60 | u8 spare1[21]; | |
61 | u32 block_size; | |
62 | u8 spare2[4]; | |
63 | blocknum_t offset; | |
64 | sblocknum_t start_block; | |
65 | blocknum_t end_block; | |
66 | u8 spare3[8]; | |
67 | } __attribute__ ((packed, aligned(8))); | |
68 | ||
69 | struct dasd_diag_rw_io { | |
70 | u16 dev_nr; | |
71 | u8 flaga; | |
72 | u8 spare1[21]; | |
73 | u8 key; | |
74 | u8 flags; | |
75 | u8 spare2[2]; | |
76 | u32 block_count; | |
77 | u32 alet; | |
78 | u8 spare3[4]; | |
79 | u64 interrupt_params; | |
86b368a5 | 80 | struct dasd_diag_bio *bio_list; |
fd49f41a HH |
81 | u8 spare4[8]; |
82 | } __attribute__ ((packed, aligned(8))); | |
347a8dc3 | 83 | #else /* CONFIG_64BIT */ |
fd49f41a HH |
84 | #define DASD_DIAG_FLAGA_DEFAULT 0x0 |
85 | ||
86 | typedef u32 blocknum_t; | |
87 | typedef s32 sblocknum_t; | |
88 | ||
1da177e4 LT |
89 | struct dasd_diag_bio { |
90 | u8 type; | |
91 | u8 status; | |
92 | u16 spare1; | |
fd49f41a | 93 | blocknum_t block_number; |
1da177e4 | 94 | u32 alet; |
86b368a5 | 95 | void *buffer; |
1da177e4 LT |
96 | } __attribute__ ((packed, aligned(8))); |
97 | ||
98 | struct dasd_diag_init_io { | |
99 | u16 dev_nr; | |
fd49f41a HH |
100 | u8 flaga; |
101 | u8 spare1[21]; | |
1da177e4 | 102 | u32 block_size; |
fd49f41a HH |
103 | blocknum_t offset; |
104 | sblocknum_t start_block; | |
105 | blocknum_t end_block; | |
106 | u8 spare2[24]; | |
1da177e4 LT |
107 | } __attribute__ ((packed, aligned(8))); |
108 | ||
109 | struct dasd_diag_rw_io { | |
110 | u16 dev_nr; | |
fd49f41a HH |
111 | u8 flaga; |
112 | u8 spare1[21]; | |
1da177e4 LT |
113 | u8 key; |
114 | u8 flags; | |
fd49f41a | 115 | u8 spare2[2]; |
1da177e4 LT |
116 | u32 block_count; |
117 | u32 alet; | |
86b368a5 | 118 | struct dasd_diag_bio *bio_list; |
1da177e4 | 119 | u32 interrupt_params; |
fd49f41a | 120 | u8 spare3[20]; |
1da177e4 | 121 | } __attribute__ ((packed, aligned(8))); |
347a8dc3 | 122 | #endif /* CONFIG_64BIT */ |