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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> | |
ec5c6b12 | 16 | |
ec5c6b12 AC |
17 | #include "binject.h" |
18 | #include "../file.h" | |
19 | ||
20 | #define FIO_HAVE_DISK_UTIL | |
ec5c6b12 AC |
21 | #define FIO_HAVE_IOSCHED_SWITCH |
22 | #define FIO_HAVE_ODIRECT | |
23 | #define FIO_HAVE_HUGETLB | |
24 | #define FIO_HAVE_BLKTRACE | |
ec5c6b12 AC |
25 | #define FIO_HAVE_PSHARED_MUTEX |
26 | #define FIO_HAVE_CL_SIZE | |
ec5c6b12 AC |
27 | #define FIO_HAVE_FS_STAT |
28 | #define FIO_HAVE_TRIM | |
ec5c6b12 AC |
29 | #define FIO_HAVE_GETTID |
30 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
31 | #define FIO_HAVE_E4_ENG | |
32 | #define FIO_HAVE_BYTEORDER_FUNCS | |
6d0e9f83 | 33 | #define FIO_HAVE_MMAP_HUGE |
ec5c6b12 AC |
34 | |
35 | #define OS_MAP_ANON MAP_ANONYMOUS | |
36 | ||
37 | #define posix_madvise madvise | |
38 | #define POSIX_MADV_DONTNEED MADV_DONTNEED | |
39 | #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL | |
40 | #define POSIX_MADV_RANDOM MADV_RANDOM | |
41 | #ifdef MADV_REMOVE | |
42 | #define FIO_MADV_FREE MADV_REMOVE | |
43 | #endif | |
44 | ||
45 | ||
46 | /* | |
47 | * The Android NDK doesn't currently export <sys/shm.h>, so define the | |
48 | * necessary stuff here. | |
49 | */ | |
50 | ||
51 | #include <linux/shm.h> | |
52 | #define SHM_HUGETLB 04000 | |
53 | ||
54 | static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) | |
55 | { | |
56 | return syscall(__NR_shmctl, __shmid, __cmd, __buf); | |
57 | } | |
58 | ||
59 | static inline int shmget (key_t __key, size_t __size, int __shmflg) | |
60 | { | |
61 | return syscall(__NR_shmget, __key, __size, __shmflg); | |
62 | } | |
63 | ||
64 | static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg) | |
65 | { | |
66 | return (void *)syscall(__NR_shmat, __shmid, __shmaddr, __shmflg); | |
67 | } | |
68 | ||
69 | static inline int shmdt (const void *__shmaddr) | |
70 | { | |
71 | return syscall(__NR_shmctl, __shmaddr); | |
72 | } | |
73 | ||
74 | ||
ec5c6b12 AC |
75 | #define SPLICE_DEF_SIZE (64*1024) |
76 | ||
77 | #ifndef BLKGETSIZE64 | |
78 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
79 | #endif | |
80 | ||
81 | #ifndef BLKFLSBUF | |
82 | #define BLKFLSBUF _IO(0x12,97) | |
83 | #endif | |
84 | ||
85 | #ifndef BLKDISCARD | |
86 | #define BLKDISCARD _IO(0x12,119) | |
87 | #endif | |
88 | ||
89 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
90 | { | |
91 | return ioctl(f->fd, BLKFLSBUF); | |
92 | } | |
93 | ||
94 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
95 | { | |
96 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
97 | return 0; | |
98 | ||
99 | return errno; | |
100 | } | |
101 | ||
102 | static inline unsigned long long os_phys_mem(void) | |
103 | { | |
104 | long pagesize, pages; | |
105 | ||
106 | pagesize = sysconf(_SC_PAGESIZE); | |
107 | pages = sysconf(_SC_PHYS_PAGES); | |
108 | if (pages == -1 || pagesize == -1) | |
109 | return 0; | |
110 | ||
111 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
112 | } | |
113 | ||
114 | typedef struct { unsigned short r[3]; } os_random_state_t; | |
115 | ||
116 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
117 | { | |
118 | rs->r[0] = seed & 0xffff; | |
119 | seed >>= 16; | |
120 | rs->r[1] = seed & 0xffff; | |
121 | seed >>= 16; | |
122 | rs->r[2] = seed & 0xffff; | |
123 | seed48(rs->r); | |
124 | } | |
125 | ||
126 | static inline long os_random_long(os_random_state_t *rs) | |
127 | { | |
128 | return nrand48(rs->r); | |
129 | } | |
130 | ||
131 | #ifdef O_NOATIME | |
132 | #define FIO_O_NOATIME O_NOATIME | |
133 | #else | |
134 | #define FIO_O_NOATIME 0 | |
135 | #endif | |
136 | ||
ec5c6b12 AC |
137 | #define fio_swap16(x) __bswap_16(x) |
138 | #define fio_swap32(x) __bswap_32(x) | |
139 | #define fio_swap64(x) __bswap_64(x) | |
140 | ||
141 | #define CACHE_LINE_FILE \ | |
142 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
143 | ||
144 | static inline int arch_cache_line_size(void) | |
145 | { | |
146 | char size[32]; | |
147 | int fd, ret; | |
148 | ||
149 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
150 | if (fd < 0) | |
151 | return -1; | |
152 | ||
153 | ret = read(fd, size, sizeof(size)); | |
154 | ||
155 | close(fd); | |
156 | ||
157 | if (ret <= 0) | |
158 | return -1; | |
159 | else | |
160 | return atoi(size); | |
161 | } | |
162 | ||
163 | static inline unsigned long long get_fs_size(const char *path) | |
164 | { | |
165 | unsigned long long ret; | |
166 | struct statfs s; | |
167 | ||
168 | if (statfs(path, &s) < 0) | |
169 | return -1ULL; | |
170 | ||
171 | ret = s.f_bsize; | |
172 | ret *= (unsigned long long) s.f_bfree; | |
173 | return ret; | |
174 | } | |
175 | ||
176 | static inline int os_trim(int fd, unsigned long long start, | |
177 | unsigned long long len) | |
178 | { | |
179 | uint64_t range[2]; | |
180 | ||
181 | range[0] = start; | |
182 | range[1] = len; | |
183 | ||
184 | if (!ioctl(fd, BLKDISCARD, range)) | |
185 | return 0; | |
186 | ||
187 | return errno; | |
188 | } | |
189 | ||
190 | #endif |