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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 | |
ec5c6b12 AC |
19 | #include "binject.h" |
20 | #include "../file.h" | |
21 | ||
22 | #define FIO_HAVE_DISK_UTIL | |
ec5c6b12 | 23 | #define FIO_HAVE_IOSCHED_SWITCH |
177380ab | 24 | #define FIO_HAVE_IOPRIO |
ec5c6b12 AC |
25 | #define FIO_HAVE_ODIRECT |
26 | #define FIO_HAVE_HUGETLB | |
27 | #define FIO_HAVE_BLKTRACE | |
ec5c6b12 AC |
28 | #define FIO_HAVE_PSHARED_MUTEX |
29 | #define FIO_HAVE_CL_SIZE | |
ec5c6b12 AC |
30 | #define FIO_HAVE_FS_STAT |
31 | #define FIO_HAVE_TRIM | |
ec5c6b12 AC |
32 | #define FIO_HAVE_GETTID |
33 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
34 | #define FIO_HAVE_E4_ENG | |
35 | #define FIO_HAVE_BYTEORDER_FUNCS | |
6d0e9f83 | 36 | #define FIO_HAVE_MMAP_HUGE |
a5e0ee11 | 37 | #define FIO_NO_HAVE_SHM_H |
ec5c6b12 AC |
38 | |
39 | #define OS_MAP_ANON MAP_ANONYMOUS | |
40 | ||
93eeb558 | 41 | #ifndef POSIX_MADV_DONTNEED |
ec5c6b12 AC |
42 | #define posix_madvise madvise |
43 | #define POSIX_MADV_DONTNEED MADV_DONTNEED | |
44 | #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL | |
45 | #define POSIX_MADV_RANDOM MADV_RANDOM | |
93eeb558 | 46 | #endif |
47 | ||
ec5c6b12 AC |
48 | #ifdef MADV_REMOVE |
49 | #define FIO_MADV_FREE MADV_REMOVE | |
50 | #endif | |
a5e0ee11 O |
51 | #ifndef MAP_HUGETLB |
52 | #define MAP_HUGETLB 0x40000 /* arch specific */ | |
53 | #endif | |
ec5c6b12 AC |
54 | |
55 | ||
56 | /* | |
57 | * The Android NDK doesn't currently export <sys/shm.h>, so define the | |
58 | * necessary stuff here. | |
59 | */ | |
60 | ||
61 | #include <linux/shm.h> | |
62 | #define SHM_HUGETLB 04000 | |
63 | ||
239a11de AJ |
64 | #include <stdio.h> |
65 | #include <linux/ashmem.h> | |
66 | #include <sys/mman.h> | |
67 | ||
68 | #define ASHMEM_DEVICE "/dev/ashmem" | |
69 | ||
ec5c6b12 AC |
70 | static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) |
71 | { | |
239a11de AJ |
72 | int ret=0; |
73 | if (__cmd == IPC_RMID) | |
74 | { | |
75 | int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); | |
76 | struct ashmem_pin pin = {0 , length}; | |
77 | ret = ioctl(__shmid, ASHMEM_UNPIN, &pin); | |
78 | close(__shmid); | |
79 | } | |
80 | return ret; | |
ec5c6b12 AC |
81 | } |
82 | ||
83 | static inline int shmget (key_t __key, size_t __size, int __shmflg) | |
84 | { | |
239a11de AJ |
85 | int fd,ret; |
86 | char key[11]; | |
87 | ||
88 | fd = open(ASHMEM_DEVICE, O_RDWR); | |
89 | if (fd < 0) | |
90 | return fd; | |
91 | ||
92 | sprintf(key,"%d",__key); | |
93 | ret = ioctl(fd, ASHMEM_SET_NAME, key); | |
94 | if (ret < 0) | |
95 | goto error; | |
96 | ||
97 | ret = ioctl(fd, ASHMEM_SET_SIZE, __size); | |
98 | if (ret < 0) | |
99 | goto error; | |
100 | ||
101 | return fd; | |
102 | ||
103 | error: | |
104 | close(fd); | |
105 | return ret; | |
ec5c6b12 AC |
106 | } |
107 | ||
108 | static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg) | |
109 | { | |
239a11de AJ |
110 | size_t *ptr, size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); |
111 | ptr = mmap(NULL, size + sizeof(size_t), PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0); | |
112 | *ptr = size; //save size at beginning of buffer, for use with munmap | |
113 | return &ptr[1]; | |
ec5c6b12 AC |
114 | } |
115 | ||
116 | static inline int shmdt (const void *__shmaddr) | |
117 | { | |
239a11de AJ |
118 | size_t *ptr, size; |
119 | ptr = (size_t *)__shmaddr; | |
120 | ptr--; | |
121 | size = *ptr; //find mmap size which we stored at the beginning of the buffer | |
122 | return munmap((void *)ptr, size + sizeof(size_t)); | |
ec5c6b12 AC |
123 | } |
124 | ||
ec5c6b12 AC |
125 | #define SPLICE_DEF_SIZE (64*1024) |
126 | ||
177380ab AC |
127 | enum { |
128 | IOPRIO_CLASS_NONE, | |
129 | IOPRIO_CLASS_RT, | |
130 | IOPRIO_CLASS_BE, | |
131 | IOPRIO_CLASS_IDLE, | |
132 | }; | |
133 | ||
134 | enum { | |
135 | IOPRIO_WHO_PROCESS = 1, | |
136 | IOPRIO_WHO_PGRP, | |
137 | IOPRIO_WHO_USER, | |
138 | }; | |
139 | ||
140 | #define IOPRIO_BITS 16 | |
141 | #define IOPRIO_CLASS_SHIFT 13 | |
142 | ||
a415b2cc AC |
143 | static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio) |
144 | { | |
145 | /* | |
146 | * If no class is set, assume BE | |
147 | */ | |
148 | if (!ioprio_class) | |
149 | ioprio_class = IOPRIO_CLASS_BE; | |
150 | ||
151 | ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT; | |
152 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
153 | } | |
154 | ||
ec5c6b12 AC |
155 | #ifndef BLKGETSIZE64 |
156 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
157 | #endif | |
158 | ||
159 | #ifndef BLKFLSBUF | |
160 | #define BLKFLSBUF _IO(0x12,97) | |
161 | #endif | |
162 | ||
163 | #ifndef BLKDISCARD | |
164 | #define BLKDISCARD _IO(0x12,119) | |
165 | #endif | |
166 | ||
167 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
168 | { | |
169 | return ioctl(f->fd, BLKFLSBUF); | |
170 | } | |
171 | ||
172 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
173 | { | |
174 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
175 | return 0; | |
176 | ||
177 | return errno; | |
178 | } | |
179 | ||
180 | static inline unsigned long long os_phys_mem(void) | |
181 | { | |
182 | long pagesize, pages; | |
183 | ||
184 | pagesize = sysconf(_SC_PAGESIZE); | |
185 | pages = sysconf(_SC_PHYS_PAGES); | |
186 | if (pages == -1 || pagesize == -1) | |
187 | return 0; | |
188 | ||
189 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
190 | } | |
191 | ||
192 | typedef struct { unsigned short r[3]; } os_random_state_t; | |
193 | ||
194 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
195 | { | |
196 | rs->r[0] = seed & 0xffff; | |
197 | seed >>= 16; | |
198 | rs->r[1] = seed & 0xffff; | |
199 | seed >>= 16; | |
200 | rs->r[2] = seed & 0xffff; | |
201 | seed48(rs->r); | |
202 | } | |
203 | ||
204 | static inline long os_random_long(os_random_state_t *rs) | |
205 | { | |
206 | return nrand48(rs->r); | |
207 | } | |
208 | ||
209 | #ifdef O_NOATIME | |
210 | #define FIO_O_NOATIME O_NOATIME | |
211 | #else | |
212 | #define FIO_O_NOATIME 0 | |
213 | #endif | |
214 | ||
ec5c6b12 AC |
215 | #define fio_swap16(x) __bswap_16(x) |
216 | #define fio_swap32(x) __bswap_32(x) | |
217 | #define fio_swap64(x) __bswap_64(x) | |
218 | ||
219 | #define CACHE_LINE_FILE \ | |
220 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
221 | ||
222 | static inline int arch_cache_line_size(void) | |
223 | { | |
224 | char size[32]; | |
225 | int fd, ret; | |
226 | ||
227 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
228 | if (fd < 0) | |
229 | return -1; | |
230 | ||
231 | ret = read(fd, size, sizeof(size)); | |
232 | ||
233 | close(fd); | |
234 | ||
235 | if (ret <= 0) | |
236 | return -1; | |
237 | else | |
238 | return atoi(size); | |
239 | } | |
240 | ||
c08ad04c | 241 | static inline unsigned long long get_fs_free_size(const char *path) |
ec5c6b12 AC |
242 | { |
243 | unsigned long long ret; | |
244 | struct statfs s; | |
245 | ||
246 | if (statfs(path, &s) < 0) | |
247 | return -1ULL; | |
248 | ||
249 | ret = s.f_bsize; | |
250 | ret *= (unsigned long long) s.f_bfree; | |
251 | return ret; | |
252 | } | |
253 | ||
254 | static inline int os_trim(int fd, unsigned long long start, | |
255 | unsigned long long len) | |
256 | { | |
257 | uint64_t range[2]; | |
258 | ||
259 | range[0] = start; | |
260 | range[1] = len; | |
261 | ||
262 | if (!ioctl(fd, BLKDISCARD, range)) | |
263 | return 0; | |
264 | ||
265 | return errno; | |
266 | } | |
267 | ||
93eeb558 | 268 | #ifdef CONFIG_SCHED_IDLE |
269 | static inline int fio_set_sched_idle(void) | |
270 | { | |
271 | struct sched_param p = { .sched_priority = 0, }; | |
272 | return sched_setscheduler(gettid(), SCHED_IDLE, &p); | |
273 | } | |
274 | #endif | |
275 | ||
ec5c6b12 | 276 | #endif |