Commit | Line | Data |
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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> | |
93eeb558 | 7 | #include <sys/mman.h> |
ec5c6b12 AC |
8 | #include <sys/uio.h> |
9 | #include <sys/syscall.h> | |
10 | #include <sys/vfs.h> | |
11 | #include <unistd.h> | |
12 | #include <fcntl.h> | |
13 | #include <errno.h> | |
14 | #include <sched.h> | |
15 | #include <linux/unistd.h> | |
16 | #include <linux/major.h> | |
da52c582 | 17 | #include <asm/byteorder.h> |
ec5c6b12 | 18 | |
eec97b93 | 19 | #include "./os-linux-syscall.h" |
ec5c6b12 AC |
20 | #include "binject.h" |
21 | #include "../file.h" | |
22 | ||
0fa5c986 OM |
23 | #ifndef __has_builtin // Optional of course. |
24 | #define __has_builtin(x) 0 // Compatibility with non-clang compilers. | |
25 | #endif | |
26 | ||
ec5c6b12 | 27 | #define FIO_HAVE_DISK_UTIL |
ec5c6b12 | 28 | #define FIO_HAVE_IOSCHED_SWITCH |
177380ab | 29 | #define FIO_HAVE_IOPRIO |
32ef447a | 30 | #define FIO_HAVE_IOPRIO_CLASS |
ec5c6b12 AC |
31 | #define FIO_HAVE_ODIRECT |
32 | #define FIO_HAVE_HUGETLB | |
33 | #define FIO_HAVE_BLKTRACE | |
ec5c6b12 | 34 | #define FIO_HAVE_CL_SIZE |
ec5c6b12 AC |
35 | #define FIO_HAVE_FS_STAT |
36 | #define FIO_HAVE_TRIM | |
ec5c6b12 AC |
37 | #define FIO_HAVE_GETTID |
38 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
39 | #define FIO_HAVE_E4_ENG | |
40 | #define FIO_HAVE_BYTEORDER_FUNCS | |
6d0e9f83 | 41 | #define FIO_HAVE_MMAP_HUGE |
a5e0ee11 | 42 | #define FIO_NO_HAVE_SHM_H |
ec5c6b12 AC |
43 | |
44 | #define OS_MAP_ANON MAP_ANONYMOUS | |
45 | ||
93eeb558 | 46 | #ifndef POSIX_MADV_DONTNEED |
ec5c6b12 AC |
47 | #define posix_madvise madvise |
48 | #define POSIX_MADV_DONTNEED MADV_DONTNEED | |
49 | #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL | |
50 | #define POSIX_MADV_RANDOM MADV_RANDOM | |
93eeb558 | 51 | #endif |
52 | ||
ec5c6b12 AC |
53 | #ifdef MADV_REMOVE |
54 | #define FIO_MADV_FREE MADV_REMOVE | |
55 | #endif | |
a5e0ee11 O |
56 | #ifndef MAP_HUGETLB |
57 | #define MAP_HUGETLB 0x40000 /* arch specific */ | |
58 | #endif | |
ec5c6b12 | 59 | |
6ca9b06d | 60 | #ifndef CONFIG_NO_SHM |
ec5c6b12 | 61 | /* |
68bf62a0 | 62 | * Bionic doesn't support SysV shared memeory, so implement it using ashmem |
ec5c6b12 | 63 | */ |
239a11de AJ |
64 | #include <stdio.h> |
65 | #include <linux/ashmem.h> | |
68bf62a0 OM |
66 | #include <linux/shm.h> |
67 | #define shmid_ds shmid64_ds | |
68 | #define SHM_HUGETLB 04000 | |
239a11de AJ |
69 | |
70 | #define ASHMEM_DEVICE "/dev/ashmem" | |
71 | ||
68bf62a0 | 72 | static inline int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf) |
ec5c6b12 | 73 | { |
239a11de AJ |
74 | int ret=0; |
75 | if (__cmd == IPC_RMID) | |
76 | { | |
77 | int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); | |
78 | struct ashmem_pin pin = {0 , length}; | |
79 | ret = ioctl(__shmid, ASHMEM_UNPIN, &pin); | |
80 | close(__shmid); | |
81 | } | |
82 | return ret; | |
ec5c6b12 AC |
83 | } |
84 | ||
68bf62a0 | 85 | static inline int shmget(key_t __key, size_t __size, int __shmflg) |
ec5c6b12 | 86 | { |
239a11de | 87 | int fd,ret; |
91f64346 OM |
88 | char keybuf[11]; |
89 | ||
239a11de AJ |
90 | fd = open(ASHMEM_DEVICE, O_RDWR); |
91 | if (fd < 0) | |
92 | return fd; | |
93 | ||
91f64346 OM |
94 | sprintf(keybuf,"%d",__key); |
95 | ret = ioctl(fd, ASHMEM_SET_NAME, keybuf); | |
239a11de AJ |
96 | if (ret < 0) |
97 | goto error; | |
98 | ||
99 | ret = ioctl(fd, ASHMEM_SET_SIZE, __size); | |
100 | if (ret < 0) | |
101 | goto error; | |
102 | ||
103 | return fd; | |
91f64346 | 104 | |
239a11de AJ |
105 | error: |
106 | close(fd); | |
107 | return ret; | |
ec5c6b12 AC |
108 | } |
109 | ||
68bf62a0 | 110 | static inline void *shmat(int __shmid, const void *__shmaddr, int __shmflg) |
ec5c6b12 | 111 | { |
239a11de AJ |
112 | size_t *ptr, size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); |
113 | ptr = mmap(NULL, size + sizeof(size_t), PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0); | |
114 | *ptr = size; //save size at beginning of buffer, for use with munmap | |
115 | return &ptr[1]; | |
ec5c6b12 AC |
116 | } |
117 | ||
118 | static inline int shmdt (const void *__shmaddr) | |
119 | { | |
239a11de AJ |
120 | size_t *ptr, size; |
121 | ptr = (size_t *)__shmaddr; | |
122 | ptr--; | |
123 | size = *ptr; //find mmap size which we stored at the beginning of the buffer | |
124 | return munmap((void *)ptr, size + sizeof(size_t)); | |
ec5c6b12 | 125 | } |
6ca9b06d | 126 | #endif |
ec5c6b12 | 127 | |
ec5c6b12 AC |
128 | #define SPLICE_DEF_SIZE (64*1024) |
129 | ||
177380ab AC |
130 | enum { |
131 | IOPRIO_CLASS_NONE, | |
132 | IOPRIO_CLASS_RT, | |
133 | IOPRIO_CLASS_BE, | |
134 | IOPRIO_CLASS_IDLE, | |
135 | }; | |
136 | ||
137 | enum { | |
138 | IOPRIO_WHO_PROCESS = 1, | |
139 | IOPRIO_WHO_PGRP, | |
140 | IOPRIO_WHO_USER, | |
141 | }; | |
142 | ||
143 | #define IOPRIO_BITS 16 | |
144 | #define IOPRIO_CLASS_SHIFT 13 | |
145 | ||
1767bd34 TK |
146 | #define IOPRIO_MIN_PRIO 0 /* highest priority */ |
147 | #define IOPRIO_MAX_PRIO 7 /* lowest priority */ | |
148 | ||
149 | #define IOPRIO_MIN_PRIO_CLASS 0 | |
150 | #define IOPRIO_MAX_PRIO_CLASS 3 | |
151 | ||
a415b2cc AC |
152 | static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio) |
153 | { | |
154 | /* | |
155 | * If no class is set, assume BE | |
156 | */ | |
157 | if (!ioprio_class) | |
158 | ioprio_class = IOPRIO_CLASS_BE; | |
159 | ||
160 | ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT; | |
161 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
162 | } | |
163 | ||
ec5c6b12 AC |
164 | #ifndef BLKGETSIZE64 |
165 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
166 | #endif | |
167 | ||
168 | #ifndef BLKFLSBUF | |
169 | #define BLKFLSBUF _IO(0x12,97) | |
170 | #endif | |
171 | ||
172 | #ifndef BLKDISCARD | |
173 | #define BLKDISCARD _IO(0x12,119) | |
174 | #endif | |
175 | ||
176 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
177 | { | |
178 | return ioctl(f->fd, BLKFLSBUF); | |
179 | } | |
180 | ||
181 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
182 | { | |
183 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
184 | return 0; | |
185 | ||
186 | return errno; | |
187 | } | |
188 | ||
189 | static inline unsigned long long os_phys_mem(void) | |
190 | { | |
191 | long pagesize, pages; | |
192 | ||
193 | pagesize = sysconf(_SC_PAGESIZE); | |
194 | pages = sysconf(_SC_PHYS_PAGES); | |
195 | if (pages == -1 || pagesize == -1) | |
196 | return 0; | |
197 | ||
198 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
199 | } | |
200 | ||
201 | typedef struct { unsigned short r[3]; } os_random_state_t; | |
202 | ||
203 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
204 | { | |
205 | rs->r[0] = seed & 0xffff; | |
206 | seed >>= 16; | |
207 | rs->r[1] = seed & 0xffff; | |
208 | seed >>= 16; | |
209 | rs->r[2] = seed & 0xffff; | |
210 | seed48(rs->r); | |
211 | } | |
212 | ||
213 | static inline long os_random_long(os_random_state_t *rs) | |
214 | { | |
215 | return nrand48(rs->r); | |
216 | } | |
217 | ||
218 | #ifdef O_NOATIME | |
219 | #define FIO_O_NOATIME O_NOATIME | |
220 | #else | |
221 | #define FIO_O_NOATIME 0 | |
222 | #endif | |
223 | ||
0fa5c986 OM |
224 | /* Check for GCC or Clang byte swap intrinsics */ |
225 | #if (__has_builtin(__builtin_bswap16) && __has_builtin(__builtin_bswap32) \ | |
226 | && __has_builtin(__builtin_bswap64)) || (__GNUC__ > 4 \ | |
227 | || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) /* fio_swapN */ | |
228 | #define fio_swap16(x) __builtin_bswap16(x) | |
229 | #define fio_swap32(x) __builtin_bswap32(x) | |
230 | #define fio_swap64(x) __builtin_bswap64(x) | |
231 | #else | |
232 | #include <byteswap.h> | |
233 | #define fio_swap16(x) bswap_16(x) | |
234 | #define fio_swap32(x) bswap_32(x) | |
235 | #define fio_swap64(x) bswap_64(x) | |
236 | #endif /* fio_swapN */ | |
ec5c6b12 AC |
237 | |
238 | #define CACHE_LINE_FILE \ | |
239 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
240 | ||
241 | static inline int arch_cache_line_size(void) | |
242 | { | |
243 | char size[32]; | |
244 | int fd, ret; | |
245 | ||
246 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
247 | if (fd < 0) | |
248 | return -1; | |
249 | ||
250 | ret = read(fd, size, sizeof(size)); | |
251 | ||
252 | close(fd); | |
253 | ||
254 | if (ret <= 0) | |
255 | return -1; | |
256 | else | |
257 | return atoi(size); | |
258 | } | |
259 | ||
c08ad04c | 260 | static inline unsigned long long get_fs_free_size(const char *path) |
ec5c6b12 AC |
261 | { |
262 | unsigned long long ret; | |
263 | struct statfs s; | |
264 | ||
265 | if (statfs(path, &s) < 0) | |
266 | return -1ULL; | |
267 | ||
268 | ret = s.f_bsize; | |
269 | ret *= (unsigned long long) s.f_bfree; | |
270 | return ret; | |
271 | } | |
272 | ||
273 | static inline int os_trim(int fd, unsigned long long start, | |
274 | unsigned long long len) | |
275 | { | |
276 | uint64_t range[2]; | |
277 | ||
278 | range[0] = start; | |
279 | range[1] = len; | |
280 | ||
281 | if (!ioctl(fd, BLKDISCARD, range)) | |
282 | return 0; | |
283 | ||
284 | return errno; | |
285 | } | |
286 | ||
93eeb558 | 287 | #ifdef CONFIG_SCHED_IDLE |
288 | static inline int fio_set_sched_idle(void) | |
289 | { | |
290 | struct sched_param p = { .sched_priority = 0, }; | |
291 | return sched_setscheduler(gettid(), SCHED_IDLE, &p); | |
292 | } | |
293 | #endif | |
294 | ||
ec5c6b12 | 295 | #endif |