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ec5c6b12 AC |
1 | #ifndef FIO_OS_ANDROID_H |
2 | #define FIO_OS_ANDROID_H | |
3 | ||
4 | #define FIO_OS os_android | |
5 | ||
6 | #include <sys/ioctl.h> | |
7 | #include <sys/uio.h> | |
8 | #include <sys/syscall.h> | |
9 | #include <sys/vfs.h> | |
10 | #include <unistd.h> | |
11 | #include <fcntl.h> | |
12 | #include <errno.h> | |
13 | #include <sched.h> | |
14 | #include <linux/unistd.h> | |
15 | #include <linux/major.h> | |
da52c582 | 16 | #include <asm/byteorder.h> |
ec5c6b12 | 17 | |
ec5c6b12 AC |
18 | #include "binject.h" |
19 | #include "../file.h" | |
20 | ||
21 | #define FIO_HAVE_DISK_UTIL | |
ec5c6b12 | 22 | #define FIO_HAVE_IOSCHED_SWITCH |
177380ab | 23 | #define FIO_HAVE_IOPRIO |
ec5c6b12 AC |
24 | #define FIO_HAVE_ODIRECT |
25 | #define FIO_HAVE_HUGETLB | |
26 | #define FIO_HAVE_BLKTRACE | |
ec5c6b12 AC |
27 | #define FIO_HAVE_PSHARED_MUTEX |
28 | #define FIO_HAVE_CL_SIZE | |
ec5c6b12 AC |
29 | #define FIO_HAVE_FS_STAT |
30 | #define FIO_HAVE_TRIM | |
ec5c6b12 AC |
31 | #define FIO_HAVE_GETTID |
32 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
33 | #define FIO_HAVE_E4_ENG | |
34 | #define FIO_HAVE_BYTEORDER_FUNCS | |
6d0e9f83 | 35 | #define FIO_HAVE_MMAP_HUGE |
a5e0ee11 | 36 | #define FIO_NO_HAVE_SHM_H |
ec5c6b12 AC |
37 | |
38 | #define OS_MAP_ANON MAP_ANONYMOUS | |
39 | ||
40 | #define posix_madvise madvise | |
41 | #define POSIX_MADV_DONTNEED MADV_DONTNEED | |
42 | #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL | |
43 | #define POSIX_MADV_RANDOM MADV_RANDOM | |
44 | #ifdef MADV_REMOVE | |
45 | #define FIO_MADV_FREE MADV_REMOVE | |
46 | #endif | |
a5e0ee11 O |
47 | #ifndef MAP_HUGETLB |
48 | #define MAP_HUGETLB 0x40000 /* arch specific */ | |
49 | #endif | |
ec5c6b12 AC |
50 | |
51 | ||
52 | /* | |
53 | * The Android NDK doesn't currently export <sys/shm.h>, so define the | |
54 | * necessary stuff here. | |
55 | */ | |
56 | ||
57 | #include <linux/shm.h> | |
58 | #define SHM_HUGETLB 04000 | |
59 | ||
60 | static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) | |
61 | { | |
62 | return syscall(__NR_shmctl, __shmid, __cmd, __buf); | |
63 | } | |
64 | ||
65 | static inline int shmget (key_t __key, size_t __size, int __shmflg) | |
66 | { | |
67 | return syscall(__NR_shmget, __key, __size, __shmflg); | |
68 | } | |
69 | ||
70 | static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg) | |
71 | { | |
72 | return (void *)syscall(__NR_shmat, __shmid, __shmaddr, __shmflg); | |
73 | } | |
74 | ||
75 | static inline int shmdt (const void *__shmaddr) | |
76 | { | |
77 | return syscall(__NR_shmctl, __shmaddr); | |
78 | } | |
79 | ||
80 | ||
ec5c6b12 AC |
81 | #define SPLICE_DEF_SIZE (64*1024) |
82 | ||
177380ab AC |
83 | enum { |
84 | IOPRIO_CLASS_NONE, | |
85 | IOPRIO_CLASS_RT, | |
86 | IOPRIO_CLASS_BE, | |
87 | IOPRIO_CLASS_IDLE, | |
88 | }; | |
89 | ||
90 | enum { | |
91 | IOPRIO_WHO_PROCESS = 1, | |
92 | IOPRIO_WHO_PGRP, | |
93 | IOPRIO_WHO_USER, | |
94 | }; | |
95 | ||
96 | #define IOPRIO_BITS 16 | |
97 | #define IOPRIO_CLASS_SHIFT 13 | |
98 | ||
a415b2cc AC |
99 | static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio) |
100 | { | |
101 | /* | |
102 | * If no class is set, assume BE | |
103 | */ | |
104 | if (!ioprio_class) | |
105 | ioprio_class = IOPRIO_CLASS_BE; | |
106 | ||
107 | ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT; | |
108 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
109 | } | |
110 | ||
ec5c6b12 AC |
111 | #ifndef BLKGETSIZE64 |
112 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
113 | #endif | |
114 | ||
115 | #ifndef BLKFLSBUF | |
116 | #define BLKFLSBUF _IO(0x12,97) | |
117 | #endif | |
118 | ||
119 | #ifndef BLKDISCARD | |
120 | #define BLKDISCARD _IO(0x12,119) | |
121 | #endif | |
122 | ||
123 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
124 | { | |
125 | return ioctl(f->fd, BLKFLSBUF); | |
126 | } | |
127 | ||
128 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
129 | { | |
130 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
131 | return 0; | |
132 | ||
133 | return errno; | |
134 | } | |
135 | ||
136 | static inline unsigned long long os_phys_mem(void) | |
137 | { | |
138 | long pagesize, pages; | |
139 | ||
140 | pagesize = sysconf(_SC_PAGESIZE); | |
141 | pages = sysconf(_SC_PHYS_PAGES); | |
142 | if (pages == -1 || pagesize == -1) | |
143 | return 0; | |
144 | ||
145 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
146 | } | |
147 | ||
148 | typedef struct { unsigned short r[3]; } os_random_state_t; | |
149 | ||
150 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
151 | { | |
152 | rs->r[0] = seed & 0xffff; | |
153 | seed >>= 16; | |
154 | rs->r[1] = seed & 0xffff; | |
155 | seed >>= 16; | |
156 | rs->r[2] = seed & 0xffff; | |
157 | seed48(rs->r); | |
158 | } | |
159 | ||
160 | static inline long os_random_long(os_random_state_t *rs) | |
161 | { | |
162 | return nrand48(rs->r); | |
163 | } | |
164 | ||
165 | #ifdef O_NOATIME | |
166 | #define FIO_O_NOATIME O_NOATIME | |
167 | #else | |
168 | #define FIO_O_NOATIME 0 | |
169 | #endif | |
170 | ||
ec5c6b12 AC |
171 | #define fio_swap16(x) __bswap_16(x) |
172 | #define fio_swap32(x) __bswap_32(x) | |
173 | #define fio_swap64(x) __bswap_64(x) | |
174 | ||
175 | #define CACHE_LINE_FILE \ | |
176 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
177 | ||
178 | static inline int arch_cache_line_size(void) | |
179 | { | |
180 | char size[32]; | |
181 | int fd, ret; | |
182 | ||
183 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
184 | if (fd < 0) | |
185 | return -1; | |
186 | ||
187 | ret = read(fd, size, sizeof(size)); | |
188 | ||
189 | close(fd); | |
190 | ||
191 | if (ret <= 0) | |
192 | return -1; | |
193 | else | |
194 | return atoi(size); | |
195 | } | |
196 | ||
197 | static inline unsigned long long get_fs_size(const char *path) | |
198 | { | |
199 | unsigned long long ret; | |
200 | struct statfs s; | |
201 | ||
202 | if (statfs(path, &s) < 0) | |
203 | return -1ULL; | |
204 | ||
205 | ret = s.f_bsize; | |
206 | ret *= (unsigned long long) s.f_bfree; | |
207 | return ret; | |
208 | } | |
209 | ||
210 | static inline int os_trim(int fd, unsigned long long start, | |
211 | unsigned long long len) | |
212 | { | |
213 | uint64_t range[2]; | |
214 | ||
215 | range[0] = start; | |
216 | range[1] = len; | |
217 | ||
218 | if (!ioctl(fd, BLKDISCARD, range)) | |
219 | return 0; | |
220 | ||
221 | return errno; | |
222 | } | |
223 | ||
224 | #endif |