x86, UV: Fix for nodes with memory and no cpus
[linux/fpc-iii.git] / drivers / s390 / block / dasd_diag.h
blobb8c78267ff3ef01ef0e60a1e211784629f2f094e
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
9 */
11 #define MDSK_WRITE_REQ 0x01
12 #define MDSK_READ_REQ 0x02
14 #define INIT_BIO 0x00
15 #define RW_BIO 0x01
16 #define TERM_BIO 0x02
18 #define DEV_CLASS_FBA 0x01
19 #define DEV_CLASS_ECKD 0x04
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
28 #define DASD_DIAG_RWFLAG_ASYNC 0x02
29 #define DASD_DIAG_RWFLAG_NOCACHE 0x01
31 #define DASD_DIAG_FLAGA_FORMAT_64BIT 0x80
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)));
47 #ifdef CONFIG_64BIT
48 #define DASD_DIAG_FLAGA_DEFAULT DASD_DIAG_FLAGA_FORMAT_64BIT
50 typedef u64 blocknum_t;
51 typedef s64 sblocknum_t;
53 struct dasd_diag_bio {
54 u8 type;
55 u8 status;
56 u8 spare1[2];
57 u32 alet;
58 blocknum_t block_number;
59 void *buffer;
60 } __attribute__ ((packed, aligned(8)));
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)));
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;
85 struct dasd_diag_bio *bio_list;
86 u8 spare4[8];
87 } __attribute__ ((packed, aligned(8)));
88 #else /* CONFIG_64BIT */
89 #define DASD_DIAG_FLAGA_DEFAULT 0x0
91 typedef u32 blocknum_t;
92 typedef s32 sblocknum_t;
94 struct dasd_diag_bio {
95 u8 type;
96 u8 status;
97 u16 spare1;
98 blocknum_t block_number;
99 u32 alet;
100 void *buffer;
101 } __attribute__ ((packed, aligned(8)));
103 struct dasd_diag_init_io {
104 u16 dev_nr;
105 u8 flaga;
106 u8 spare1[21];
107 u32 block_size;
108 blocknum_t offset;
109 sblocknum_t start_block;
110 blocknum_t end_block;
111 u8 spare2[24];
112 } __attribute__ ((packed, aligned(8)));
114 struct dasd_diag_rw_io {
115 u16 dev_nr;
116 u8 flaga;
117 u8 spare1[21];
118 u8 key;
119 u8 flags;
120 u8 spare2[2];
121 u32 block_count;
122 u32 alet;
123 struct dasd_diag_bio *bio_list;
124 u32 interrupt_params;
125 u8 spare3[20];
126 } __attribute__ ((packed, aligned(8)));
127 #endif /* CONFIG_64BIT */