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 AC |
59 | |
60 | ||
61 | /* | |
62 | * The Android NDK doesn't currently export <sys/shm.h>, so define the | |
63 | * necessary stuff here. | |
64 | */ | |
65 | ||
66 | #include <linux/shm.h> | |
67 | #define SHM_HUGETLB 04000 | |
68 | ||
239a11de AJ |
69 | #include <stdio.h> |
70 | #include <linux/ashmem.h> | |
71 | #include <sys/mman.h> | |
72 | ||
73 | #define ASHMEM_DEVICE "/dev/ashmem" | |
74 | ||
ec5c6b12 AC |
75 | static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) |
76 | { | |
239a11de AJ |
77 | int ret=0; |
78 | if (__cmd == IPC_RMID) | |
79 | { | |
80 | int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); | |
81 | struct ashmem_pin pin = {0 , length}; | |
82 | ret = ioctl(__shmid, ASHMEM_UNPIN, &pin); | |
83 | close(__shmid); | |
84 | } | |
85 | return ret; | |
ec5c6b12 AC |
86 | } |
87 | ||
88 | static inline int shmget (key_t __key, size_t __size, int __shmflg) | |
89 | { | |
239a11de AJ |
90 | int fd,ret; |
91 | char key[11]; | |
92 | ||
93 | fd = open(ASHMEM_DEVICE, O_RDWR); | |
94 | if (fd < 0) | |
95 | return fd; | |
96 | ||
97 | sprintf(key,"%d",__key); | |
98 | ret = ioctl(fd, ASHMEM_SET_NAME, key); | |
99 | if (ret < 0) | |
100 | goto error; | |
101 | ||
102 | ret = ioctl(fd, ASHMEM_SET_SIZE, __size); | |
103 | if (ret < 0) | |
104 | goto error; | |
105 | ||
106 | return fd; | |
107 | ||
108 | error: | |
109 | close(fd); | |
110 | return ret; | |
ec5c6b12 AC |
111 | } |
112 | ||
113 | static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg) | |
114 | { | |
239a11de AJ |
115 | size_t *ptr, size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); |
116 | ptr = mmap(NULL, size + sizeof(size_t), PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0); | |
117 | *ptr = size; //save size at beginning of buffer, for use with munmap | |
118 | return &ptr[1]; | |
ec5c6b12 AC |
119 | } |
120 | ||
121 | static inline int shmdt (const void *__shmaddr) | |
122 | { | |
239a11de AJ |
123 | size_t *ptr, size; |
124 | ptr = (size_t *)__shmaddr; | |
125 | ptr--; | |
126 | size = *ptr; //find mmap size which we stored at the beginning of the buffer | |
127 | return munmap((void *)ptr, size + sizeof(size_t)); | |
ec5c6b12 AC |
128 | } |
129 | ||
ec5c6b12 AC |
130 | #define SPLICE_DEF_SIZE (64*1024) |
131 | ||
177380ab AC |
132 | enum { |
133 | IOPRIO_CLASS_NONE, | |
134 | IOPRIO_CLASS_RT, | |
135 | IOPRIO_CLASS_BE, | |
136 | IOPRIO_CLASS_IDLE, | |
137 | }; | |
138 | ||
139 | enum { | |
140 | IOPRIO_WHO_PROCESS = 1, | |
141 | IOPRIO_WHO_PGRP, | |
142 | IOPRIO_WHO_USER, | |
143 | }; | |
144 | ||
145 | #define IOPRIO_BITS 16 | |
146 | #define IOPRIO_CLASS_SHIFT 13 | |
147 | ||
1767bd34 TK |
148 | #define IOPRIO_MIN_PRIO 0 /* highest priority */ |
149 | #define IOPRIO_MAX_PRIO 7 /* lowest priority */ | |
150 | ||
151 | #define IOPRIO_MIN_PRIO_CLASS 0 | |
152 | #define IOPRIO_MAX_PRIO_CLASS 3 | |
153 | ||
a415b2cc AC |
154 | static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio) |
155 | { | |
156 | /* | |
157 | * If no class is set, assume BE | |
158 | */ | |
159 | if (!ioprio_class) | |
160 | ioprio_class = IOPRIO_CLASS_BE; | |
161 | ||
162 | ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT; | |
163 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
164 | } | |
165 | ||
ec5c6b12 AC |
166 | #ifndef BLKGETSIZE64 |
167 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
168 | #endif | |
169 | ||
170 | #ifndef BLKFLSBUF | |
171 | #define BLKFLSBUF _IO(0x12,97) | |
172 | #endif | |
173 | ||
174 | #ifndef BLKDISCARD | |
175 | #define BLKDISCARD _IO(0x12,119) | |
176 | #endif | |
177 | ||
178 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
179 | { | |
180 | return ioctl(f->fd, BLKFLSBUF); | |
181 | } | |
182 | ||
183 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
184 | { | |
185 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
186 | return 0; | |
187 | ||
188 | return errno; | |
189 | } | |
190 | ||
191 | static inline unsigned long long os_phys_mem(void) | |
192 | { | |
193 | long pagesize, pages; | |
194 | ||
195 | pagesize = sysconf(_SC_PAGESIZE); | |
196 | pages = sysconf(_SC_PHYS_PAGES); | |
197 | if (pages == -1 || pagesize == -1) | |
198 | return 0; | |
199 | ||
200 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
201 | } | |
202 | ||
203 | typedef struct { unsigned short r[3]; } os_random_state_t; | |
204 | ||
205 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
206 | { | |
207 | rs->r[0] = seed & 0xffff; | |
208 | seed >>= 16; | |
209 | rs->r[1] = seed & 0xffff; | |
210 | seed >>= 16; | |
211 | rs->r[2] = seed & 0xffff; | |
212 | seed48(rs->r); | |
213 | } | |
214 | ||
215 | static inline long os_random_long(os_random_state_t *rs) | |
216 | { | |
217 | return nrand48(rs->r); | |
218 | } | |
219 | ||
220 | #ifdef O_NOATIME | |
221 | #define FIO_O_NOATIME O_NOATIME | |
222 | #else | |
223 | #define FIO_O_NOATIME 0 | |
224 | #endif | |
225 | ||
0fa5c986 OM |
226 | /* Check for GCC or Clang byte swap intrinsics */ |
227 | #if (__has_builtin(__builtin_bswap16) && __has_builtin(__builtin_bswap32) \ | |
228 | && __has_builtin(__builtin_bswap64)) || (__GNUC__ > 4 \ | |
229 | || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) /* fio_swapN */ | |
230 | #define fio_swap16(x) __builtin_bswap16(x) | |
231 | #define fio_swap32(x) __builtin_bswap32(x) | |
232 | #define fio_swap64(x) __builtin_bswap64(x) | |
233 | #else | |
234 | #include <byteswap.h> | |
235 | #define fio_swap16(x) bswap_16(x) | |
236 | #define fio_swap32(x) bswap_32(x) | |
237 | #define fio_swap64(x) bswap_64(x) | |
238 | #endif /* fio_swapN */ | |
ec5c6b12 AC |
239 | |
240 | #define CACHE_LINE_FILE \ | |
241 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
242 | ||
243 | static inline int arch_cache_line_size(void) | |
244 | { | |
245 | char size[32]; | |
246 | int fd, ret; | |
247 | ||
248 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
249 | if (fd < 0) | |
250 | return -1; | |
251 | ||
252 | ret = read(fd, size, sizeof(size)); | |
253 | ||
254 | close(fd); | |
255 | ||
256 | if (ret <= 0) | |
257 | return -1; | |
258 | else | |
259 | return atoi(size); | |
260 | } | |
261 | ||
c08ad04c | 262 | static inline unsigned long long get_fs_free_size(const char *path) |
ec5c6b12 AC |
263 | { |
264 | unsigned long long ret; | |
265 | struct statfs s; | |
266 | ||
267 | if (statfs(path, &s) < 0) | |
268 | return -1ULL; | |
269 | ||
270 | ret = s.f_bsize; | |
271 | ret *= (unsigned long long) s.f_bfree; | |
272 | return ret; | |
273 | } | |
274 | ||
275 | static inline int os_trim(int fd, unsigned long long start, | |
276 | unsigned long long len) | |
277 | { | |
278 | uint64_t range[2]; | |
279 | ||
280 | range[0] = start; | |
281 | range[1] = len; | |
282 | ||
283 | if (!ioctl(fd, BLKDISCARD, range)) | |
284 | return 0; | |
285 | ||
286 | return errno; | |
287 | } | |
288 | ||
93eeb558 | 289 | #ifdef CONFIG_SCHED_IDLE |
290 | static inline int fio_set_sched_idle(void) | |
291 | { | |
292 | struct sched_param p = { .sched_priority = 0, }; | |
293 | return sched_setscheduler(gettid(), SCHED_IDLE, &p); | |
294 | } | |
295 | #endif | |
296 | ||
ec5c6b12 | 297 | #endif |