Commit | Line | Data |
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138c014d | 1 | /* |
1da177e4 LT |
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 | * | |
1da177e4 LT |
9 | */ |
10 | ||
11 | #define MDSK_WRITE_REQ 0x01 | |
12 | #define MDSK_READ_REQ 0x02 | |
13 | ||
14 | #define INIT_BIO 0x00 | |
15 | #define RW_BIO 0x01 | |
16 | #define TERM_BIO 0x02 | |
17 | ||
18 | #define DEV_CLASS_FBA 0x01 | |
19 | #define DEV_CLASS_ECKD 0x04 | |
20 | ||
fd49f41a HH |
21 | #define DASD_DIAG_LC_INT_CODE 132 |
22 | #define DASD_DIAG_LC_INT_STATUS 133 | |
23 | #define DASD_DIAG_LC_INT_PARM_31BIT 128 | |
24 | #define DASD_DIAG_LC_INT_PARM_64BIT 4536 | |
25 | #define DASD_DIAG_CODE_31BIT 0x03 | |
26 | #define DASD_DIAG_CODE_64BIT 0x07 | |
27 | ||
28 | #define DASD_DIAG_RWFLAG_ASYNC 0x02 | |
29 | #define DASD_DIAG_RWFLAG_NOCACHE 0x01 | |
30 | ||
31 | #define DASD_DIAG_FLAGA_FORMAT_64BIT 0x80 | |
32 | ||
1da177e4 LT |
33 | struct dasd_diag_characteristics { |
34 | u16 dev_nr; | |
35 | u16 rdc_len; | |
36 | u8 vdev_class; | |
37 | u8 vdev_type; | |
38 | u8 vdev_status; | |
39 | u8 vdev_flags; | |
40 | u8 rdev_class; | |
41 | u8 rdev_type; | |
42 | u8 rdev_model; | |
43 | u8 rdev_features; | |
44 | } __attribute__ ((packed, aligned(4))); | |
45 | ||
fd49f41a | 46 | |
347a8dc3 | 47 | #ifdef CONFIG_64BIT |
fd49f41a HH |
48 | #define DASD_DIAG_FLAGA_DEFAULT DASD_DIAG_FLAGA_FORMAT_64BIT |
49 | ||
50 | typedef u64 blocknum_t; | |
51 | typedef s64 sblocknum_t; | |
52 | ||
53 | struct dasd_diag_bio { | |
54 | u8 type; | |
55 | u8 status; | |
56 | u8 spare1[2]; | |
57 | u32 alet; | |
58 | blocknum_t block_number; | |
86b368a5 | 59 | void *buffer; |
fd49f41a HH |
60 | } __attribute__ ((packed, aligned(8))); |
61 | ||
62 | struct dasd_diag_init_io { | |
63 | u16 dev_nr; | |
64 | u8 flaga; | |
65 | u8 spare1[21]; | |
66 | u32 block_size; | |
67 | u8 spare2[4]; | |
68 | blocknum_t offset; | |
69 | sblocknum_t start_block; | |
70 | blocknum_t end_block; | |
71 | u8 spare3[8]; | |
72 | } __attribute__ ((packed, aligned(8))); | |
73 | ||
74 | struct dasd_diag_rw_io { | |
75 | u16 dev_nr; | |
76 | u8 flaga; | |
77 | u8 spare1[21]; | |
78 | u8 key; | |
79 | u8 flags; | |
80 | u8 spare2[2]; | |
81 | u32 block_count; | |
82 | u32 alet; | |
83 | u8 spare3[4]; | |
84 | u64 interrupt_params; | |
86b368a5 | 85 | struct dasd_diag_bio *bio_list; |
fd49f41a HH |
86 | u8 spare4[8]; |
87 | } __attribute__ ((packed, aligned(8))); | |
347a8dc3 | 88 | #else /* CONFIG_64BIT */ |
fd49f41a HH |
89 | #define DASD_DIAG_FLAGA_DEFAULT 0x0 |
90 | ||
91 | typedef u32 blocknum_t; | |
92 | typedef s32 sblocknum_t; | |
93 | ||
1da177e4 LT |
94 | struct dasd_diag_bio { |
95 | u8 type; | |
96 | u8 status; | |
97 | u16 spare1; | |
fd49f41a | 98 | blocknum_t block_number; |
1da177e4 | 99 | u32 alet; |
86b368a5 | 100 | void *buffer; |
1da177e4 LT |
101 | } __attribute__ ((packed, aligned(8))); |
102 | ||
103 | struct dasd_diag_init_io { | |
104 | u16 dev_nr; | |
fd49f41a HH |
105 | u8 flaga; |
106 | u8 spare1[21]; | |
1da177e4 | 107 | u32 block_size; |
fd49f41a HH |
108 | blocknum_t offset; |
109 | sblocknum_t start_block; | |
110 | blocknum_t end_block; | |
111 | u8 spare2[24]; | |
1da177e4 LT |
112 | } __attribute__ ((packed, aligned(8))); |
113 | ||
114 | struct dasd_diag_rw_io { | |
115 | u16 dev_nr; | |
fd49f41a HH |
116 | u8 flaga; |
117 | u8 spare1[21]; | |
1da177e4 LT |
118 | u8 key; |
119 | u8 flags; | |
fd49f41a | 120 | u8 spare2[2]; |
1da177e4 LT |
121 | u32 block_count; |
122 | u32 alet; | |
86b368a5 | 123 | struct dasd_diag_bio *bio_list; |
1da177e4 | 124 | u32 interrupt_params; |
fd49f41a | 125 | u8 spare3[20]; |
1da177e4 | 126 | } __attribute__ ((packed, aligned(8))); |
347a8dc3 | 127 | #endif /* CONFIG_64BIT */ |