Blame view

kernel/linux-rt-4.4.41/drivers/s390/block/dasd_diag.h 1.58 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
  /*
   * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
   * Based on.......: linux/drivers/s390/block/mdisk.h
   * ...............: by Hartmunt Penner <hpenner@de.ibm.com>
   * Bugreports.to..: <Linux390@de.ibm.com>
   * Copyright IBM Corp. 1999, 2000
   *
   */
  
  #define MDSK_WRITE_REQ 0x01
  #define MDSK_READ_REQ  0x02
  
  #define INIT_BIO	0x00
  #define RW_BIO		0x01
  #define TERM_BIO	0x02
  
  #define DEV_CLASS_FBA	0x01
  #define DEV_CLASS_ECKD	0x04
  
  #define DASD_DIAG_CODE_31BIT		0x03
  #define DASD_DIAG_CODE_64BIT		0x07
  
  #define DASD_DIAG_RWFLAG_ASYNC		0x02
  #define DASD_DIAG_RWFLAG_NOCACHE	0x01
  
  #define DASD_DIAG_FLAGA_FORMAT_64BIT	0x80
  
  struct dasd_diag_characteristics {
  	u16 dev_nr;
  	u16 rdc_len;
  	u8 vdev_class;
  	u8 vdev_type;
  	u8 vdev_status;
  	u8 vdev_flags;
  	u8 rdev_class;
  	u8 rdev_type;
  	u8 rdev_model;
  	u8 rdev_features;
  } __attribute__ ((packed, aligned(4)));
  
  #define DASD_DIAG_FLAGA_DEFAULT		DASD_DIAG_FLAGA_FORMAT_64BIT
  
  typedef u64 blocknum_t;
  typedef s64 sblocknum_t;
  
  struct dasd_diag_bio {
  	u8 type;
  	u8 status;
  	u8 spare1[2];
  	u32 alet;
  	blocknum_t block_number;
  	void *buffer;
  } __attribute__ ((packed, aligned(8)));
  
  struct dasd_diag_init_io {
  	u16 dev_nr;
  	u8 flaga;
  	u8 spare1[21];
  	u32 block_size;
  	u8 spare2[4];
  	blocknum_t offset;
  	sblocknum_t start_block;
  	blocknum_t end_block;
  	u8  spare3[8];
  } __attribute__ ((packed, aligned(8)));
  
  struct dasd_diag_rw_io {
  	u16 dev_nr;
  	u8  flaga;
  	u8  spare1[21];
  	u8  key;
  	u8  flags;
  	u8  spare2[2];
  	u32 block_count;
  	u32 alet;
  	u8  spare3[4];
  	u64 interrupt_params;
  	struct dasd_diag_bio *bio_list;
  	u8  spare4[8];
  } __attribute__ ((packed, aligned(8)));