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 | ||
23 | #define FIO_HAVE_DISK_UTIL | |
ec5c6b12 | 24 | #define FIO_HAVE_IOSCHED_SWITCH |
177380ab | 25 | #define FIO_HAVE_IOPRIO |
32ef447a | 26 | #define FIO_HAVE_IOPRIO_CLASS |
ec5c6b12 AC |
27 | #define FIO_HAVE_ODIRECT |
28 | #define FIO_HAVE_HUGETLB | |
29 | #define FIO_HAVE_BLKTRACE | |
ec5c6b12 AC |
30 | #define FIO_HAVE_PSHARED_MUTEX |
31 | #define FIO_HAVE_CL_SIZE | |
ec5c6b12 AC |
32 | #define FIO_HAVE_FS_STAT |
33 | #define FIO_HAVE_TRIM | |
ec5c6b12 AC |
34 | #define FIO_HAVE_GETTID |
35 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
36 | #define FIO_HAVE_E4_ENG | |
37 | #define FIO_HAVE_BYTEORDER_FUNCS | |
6d0e9f83 | 38 | #define FIO_HAVE_MMAP_HUGE |
a5e0ee11 | 39 | #define FIO_NO_HAVE_SHM_H |
ec5c6b12 AC |
40 | |
41 | #define OS_MAP_ANON MAP_ANONYMOUS | |
42 | ||
93eeb558 | 43 | #ifndef POSIX_MADV_DONTNEED |
ec5c6b12 AC |
44 | #define posix_madvise madvise |
45 | #define POSIX_MADV_DONTNEED MADV_DONTNEED | |
46 | #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL | |
47 | #define POSIX_MADV_RANDOM MADV_RANDOM | |
93eeb558 | 48 | #endif |
49 | ||
ec5c6b12 AC |
50 | #ifdef MADV_REMOVE |
51 | #define FIO_MADV_FREE MADV_REMOVE | |
52 | #endif | |
a5e0ee11 O |
53 | #ifndef MAP_HUGETLB |
54 | #define MAP_HUGETLB 0x40000 /* arch specific */ | |
55 | #endif | |
ec5c6b12 AC |
56 | |
57 | ||
58 | /* | |
59 | * The Android NDK doesn't currently export <sys/shm.h>, so define the | |
60 | * necessary stuff here. | |
61 | */ | |
62 | ||
63 | #include <linux/shm.h> | |
64 | #define SHM_HUGETLB 04000 | |
65 | ||
239a11de AJ |
66 | #include <stdio.h> |
67 | #include <linux/ashmem.h> | |
68 | #include <sys/mman.h> | |
69 | ||
70 | #define ASHMEM_DEVICE "/dev/ashmem" | |
71 | ||
ec5c6b12 AC |
72 | static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) |
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 | ||
85 | static inline int shmget (key_t __key, size_t __size, int __shmflg) | |
86 | { | |
239a11de AJ |
87 | int fd,ret; |
88 | char key[11]; | |
89 | ||
90 | fd = open(ASHMEM_DEVICE, O_RDWR); | |
91 | if (fd < 0) | |
92 | return fd; | |
93 | ||
94 | sprintf(key,"%d",__key); | |
95 | ret = ioctl(fd, ASHMEM_SET_NAME, key); | |
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; | |
104 | ||
105 | error: | |
106 | close(fd); | |
107 | return ret; | |
ec5c6b12 AC |
108 | } |
109 | ||
110 | static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg) | |
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 AC |
125 | } |
126 | ||
ec5c6b12 AC |
127 | #define SPLICE_DEF_SIZE (64*1024) |
128 | ||
177380ab AC |
129 | enum { |
130 | IOPRIO_CLASS_NONE, | |
131 | IOPRIO_CLASS_RT, | |
132 | IOPRIO_CLASS_BE, | |
133 | IOPRIO_CLASS_IDLE, | |
134 | }; | |
135 | ||
136 | enum { | |
137 | IOPRIO_WHO_PROCESS = 1, | |
138 | IOPRIO_WHO_PGRP, | |
139 | IOPRIO_WHO_USER, | |
140 | }; | |
141 | ||
142 | #define IOPRIO_BITS 16 | |
143 | #define IOPRIO_CLASS_SHIFT 13 | |
144 | ||
1767bd34 TK |
145 | #define IOPRIO_MIN_PRIO 0 /* highest priority */ |
146 | #define IOPRIO_MAX_PRIO 7 /* lowest priority */ | |
147 | ||
148 | #define IOPRIO_MIN_PRIO_CLASS 0 | |
149 | #define IOPRIO_MAX_PRIO_CLASS 3 | |
150 | ||
a415b2cc AC |
151 | static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio) |
152 | { | |
153 | /* | |
154 | * If no class is set, assume BE | |
155 | */ | |
156 | if (!ioprio_class) | |
157 | ioprio_class = IOPRIO_CLASS_BE; | |
158 | ||
159 | ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT; | |
160 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
161 | } | |
162 | ||
ec5c6b12 AC |
163 | #ifndef BLKGETSIZE64 |
164 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
165 | #endif | |
166 | ||
167 | #ifndef BLKFLSBUF | |
168 | #define BLKFLSBUF _IO(0x12,97) | |
169 | #endif | |
170 | ||
171 | #ifndef BLKDISCARD | |
172 | #define BLKDISCARD _IO(0x12,119) | |
173 | #endif | |
174 | ||
175 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
176 | { | |
177 | return ioctl(f->fd, BLKFLSBUF); | |
178 | } | |
179 | ||
180 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
181 | { | |
182 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
183 | return 0; | |
184 | ||
185 | return errno; | |
186 | } | |
187 | ||
188 | static inline unsigned long long os_phys_mem(void) | |
189 | { | |
190 | long pagesize, pages; | |
191 | ||
192 | pagesize = sysconf(_SC_PAGESIZE); | |
193 | pages = sysconf(_SC_PHYS_PAGES); | |
194 | if (pages == -1 || pagesize == -1) | |
195 | return 0; | |
196 | ||
197 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
198 | } | |
199 | ||
200 | typedef struct { unsigned short r[3]; } os_random_state_t; | |
201 | ||
202 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
203 | { | |
204 | rs->r[0] = seed & 0xffff; | |
205 | seed >>= 16; | |
206 | rs->r[1] = seed & 0xffff; | |
207 | seed >>= 16; | |
208 | rs->r[2] = seed & 0xffff; | |
209 | seed48(rs->r); | |
210 | } | |
211 | ||
212 | static inline long os_random_long(os_random_state_t *rs) | |
213 | { | |
214 | return nrand48(rs->r); | |
215 | } | |
216 | ||
217 | #ifdef O_NOATIME | |
218 | #define FIO_O_NOATIME O_NOATIME | |
219 | #else | |
220 | #define FIO_O_NOATIME 0 | |
221 | #endif | |
222 | ||
ec5c6b12 AC |
223 | #define fio_swap16(x) __bswap_16(x) |
224 | #define fio_swap32(x) __bswap_32(x) | |
225 | #define fio_swap64(x) __bswap_64(x) | |
226 | ||
227 | #define CACHE_LINE_FILE \ | |
228 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
229 | ||
230 | static inline int arch_cache_line_size(void) | |
231 | { | |
232 | char size[32]; | |
233 | int fd, ret; | |
234 | ||
235 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
236 | if (fd < 0) | |
237 | return -1; | |
238 | ||
239 | ret = read(fd, size, sizeof(size)); | |
240 | ||
241 | close(fd); | |
242 | ||
243 | if (ret <= 0) | |
244 | return -1; | |
245 | else | |
246 | return atoi(size); | |
247 | } | |
248 | ||
c08ad04c | 249 | static inline unsigned long long get_fs_free_size(const char *path) |
ec5c6b12 AC |
250 | { |
251 | unsigned long long ret; | |
252 | struct statfs s; | |
253 | ||
254 | if (statfs(path, &s) < 0) | |
255 | return -1ULL; | |
256 | ||
257 | ret = s.f_bsize; | |
258 | ret *= (unsigned long long) s.f_bfree; | |
259 | return ret; | |
260 | } | |
261 | ||
262 | static inline int os_trim(int fd, unsigned long long start, | |
263 | unsigned long long len) | |
264 | { | |
265 | uint64_t range[2]; | |
266 | ||
267 | range[0] = start; | |
268 | range[1] = len; | |
269 | ||
270 | if (!ioctl(fd, BLKDISCARD, range)) | |
271 | return 0; | |
272 | ||
273 | return errno; | |
274 | } | |
275 | ||
93eeb558 | 276 | #ifdef CONFIG_SCHED_IDLE |
277 | static inline int fio_set_sched_idle(void) | |
278 | { | |
279 | struct sched_param p = { .sched_priority = 0, }; | |
280 | return sched_setscheduler(gettid(), SCHED_IDLE, &p); | |
281 | } | |
282 | #endif | |
283 | ||
ec5c6b12 | 284 | #endif |