1
/****************************************************************************
2
****************************************************************************
4
*** This header was automatically generated from a Linux kernel header
5
*** of the same name, to make information necessary for userspace to
6
*** call into the kernel available to libc. It contains only constants,
7
*** structures, and macros generated from the original header, and thus,
8
*** contains no copyrightable information.
10
*** To edit the content of this header, modify the corresponding
11
*** source file (e.g. under external/kernel-headers/original/) then
12
*** run bionic/libc/kernel/tools/update_all.py
14
*** Any manual change here will be lost the next time this script will
15
*** be run. You've been warned!
17
****************************************************************************
18
****************************************************************************/
21
#include <linux/highmem.h>
22
#include <linux/mempool.h>
23
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
24
#include <linux/ioprio.h>
26
#if defined(BIO_VMERGE_MAX_SIZE) && defined(BIO_VMERGE_BOUNDARY)
27
#define BIOVEC_VIRT_START_SIZE(x) (bvec_to_phys(x) & (BIO_VMERGE_BOUNDARY - 1))
28
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
29
#define BIOVEC_VIRT_OVERSIZE(x) ((x) > BIO_VMERGE_MAX_SIZE)
31
#define BIOVEC_VIRT_START_SIZE(x) 0
32
#define BIOVEC_VIRT_OVERSIZE(x) 0
33
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
35
#ifndef BIO_VMERGE_BOUNDARY
36
#define BIO_VMERGE_BOUNDARY 0
38
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
41
#define BIO_BUG_ON BUG_ON
43
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
46
#define BIO_MAX_PAGES 256
47
#define BIO_MAX_SIZE (BIO_MAX_PAGES << PAGE_CACHE_SHIFT)
48
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
49
#define BIO_MAX_SECTORS (BIO_MAX_SIZE >> 9)
53
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
54
unsigned int bv_offset;
58
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
59
typedef int (bio_end_io_t) (struct bio *, unsigned int, int);
60
typedef void (bio_destructor_t) (struct bio *);
63
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
65
struct block_device *bi_bdev;
66
unsigned long bi_flags;
68
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
69
unsigned short bi_vcnt;
70
unsigned short bi_idx;
71
unsigned short bi_phys_segments;
72
unsigned short bi_hw_segments;
73
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
75
unsigned int bi_hw_front_size;
76
unsigned int bi_hw_back_size;
77
unsigned int bi_max_vecs;
78
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
79
struct bio_vec *bi_io_vec;
80
bio_end_io_t *bi_end_io;
83
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
84
bio_destructor_t *bi_destructor;
86
#define BIO_UPTODATE 0
87
#define BIO_RW_BLOCK 1
88
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
90
#define BIO_SEG_VALID 3
93
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
94
#define BIO_USER_MAPPED 6
95
#define BIO_EOPNOTSUPP 7
96
#define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag)))
97
#define BIO_POOL_BITS (4)
98
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
99
#define BIO_POOL_OFFSET (BITS_PER_LONG - BIO_POOL_BITS)
100
#define BIO_POOL_MASK (1UL << BIO_POOL_OFFSET)
101
#define BIO_POOL_IDX(bio) ((bio)->bi_flags >> BIO_POOL_OFFSET)
103
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
104
#define BIO_RW_AHEAD 1
105
#define BIO_RW_BARRIER 2
106
#define BIO_RW_FAILFAST 3
107
#define BIO_RW_SYNC 4
108
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
109
#define BIO_PRIO_SHIFT (8 * sizeof(unsigned long) - IOPRIO_BITS)
110
#define bio_prio(bio) ((bio)->bi_rw >> BIO_PRIO_SHIFT)
111
#define bio_prio_valid(bio) ioprio_valid(bio_prio(bio))
112
#define bio_set_prio(bio, prio) do { WARN_ON(prio >= (1 << IOPRIO_BITS)); (bio)->bi_rw &= ((1UL << BIO_PRIO_SHIFT) - 1); (bio)->bi_rw |= ((unsigned long) (prio) << BIO_PRIO_SHIFT); } while (0)
113
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
114
#define bio_iovec_idx(bio, idx) (&((bio)->bi_io_vec[(idx)]))
115
#define bio_iovec(bio) bio_iovec_idx((bio), (bio)->bi_idx)
116
#define bio_page(bio) bio_iovec((bio))->bv_page
117
#define bio_offset(bio) bio_iovec((bio))->bv_offset
118
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
119
#define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_idx)
120
#define bio_sectors(bio) ((bio)->bi_size >> 9)
121
#define bio_cur_sectors(bio) (bio_iovec(bio)->bv_len >> 9)
122
#define bio_data(bio) (page_address(bio_page((bio))) + bio_offset((bio)))
123
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
124
#define bio_barrier(bio) ((bio)->bi_rw & (1 << BIO_RW_BARRIER))
125
#define bio_sync(bio) ((bio)->bi_rw & (1 << BIO_RW_SYNC))
126
#define bio_failfast(bio) ((bio)->bi_rw & (1 << BIO_RW_FAILFAST))
127
#define bio_rw_ahead(bio) ((bio)->bi_rw & (1 << BIO_RW_AHEAD))
128
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
129
#define bio_to_phys(bio) (page_to_phys(bio_page((bio))) + (unsigned long) bio_offset((bio)))
130
#define bvec_to_phys(bv) (page_to_phys((bv)->bv_page) + (unsigned long) (bv)->bv_offset)
131
#define __bio_kmap_atomic(bio, idx, kmtype) (kmap_atomic(bio_iovec_idx((bio), (idx))->bv_page, kmtype) + bio_iovec_idx((bio), (idx))->bv_offset)
132
#define __bio_kunmap_atomic(addr, kmtype) kunmap_atomic(addr, kmtype)
133
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
134
#define __BVEC_END(bio) bio_iovec_idx((bio), (bio)->bi_vcnt - 1)
135
#define __BVEC_START(bio) bio_iovec_idx((bio), (bio)->bi_idx)
136
#ifndef BIOVEC_PHYS_MERGEABLE
137
#define BIOVEC_PHYS_MERGEABLE(vec1, vec2) ((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
138
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
140
#define BIOVEC_VIRT_MERGEABLE(vec1, vec2) ((((bvec_to_phys((vec1)) + (vec1)->bv_len) | bvec_to_phys((vec2))) & (BIO_VMERGE_BOUNDARY - 1)) == 0)
141
#define __BIO_SEG_BOUNDARY(addr1, addr2, mask) (((addr1) | (mask)) == (((addr2) - 1) | (mask)))
142
#define BIOVEC_SEG_BOUNDARY(q, b1, b2) __BIO_SEG_BOUNDARY(bvec_to_phys((b1)), bvec_to_phys((b2)) + (b2)->bv_len, (q)->seg_boundary_mask)
143
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
144
#define BIO_SEG_BOUNDARY(q, b1, b2) BIOVEC_SEG_BOUNDARY((q), __BVEC_END((b1)), __BVEC_START((b2)))
145
#define bio_io_error(bio, bytes) bio_endio((bio), (bytes), -EIO)
146
#define __bio_for_each_segment(bvl, bio, i, start_idx) for (bvl = bio_iovec_idx((bio), (start_idx)), i = (start_idx); i < (bio)->bi_vcnt; bvl++, i++)
147
#define bio_for_each_segment(bvl, bio, i) __bio_for_each_segment(bvl, bio, i, (bio)->bi_idx)
148
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
149
#define bio_get(bio) atomic_inc(&(bio)->bi_cnt)
151
struct bio bio1, bio2;
152
struct bio_vec bv1, bv2;
153
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
157
struct request_queue;
158
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
160
#define bvec_kmap_irq(bvec, flags) (page_address((bvec)->bv_page) + (bvec)->bv_offset)
161
#define bvec_kunmap_irq(buf, flags) do { *(flags) = 0; } while (0)
162
#define __bio_kunmap_irq(buf, flags) bvec_kunmap_irq(buf, flags)
163
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
164
#define bio_kmap_irq(bio, flags) __bio_kmap_irq((bio), (bio)->bi_idx, (flags))
165
#define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags)