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 | 30 | #define FIO_HAVE_CL_SIZE |
ec5c6b12 AC |
31 | #define FIO_HAVE_FS_STAT |
32 | #define FIO_HAVE_TRIM | |
ec5c6b12 AC |
33 | #define FIO_HAVE_GETTID |
34 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
35 | #define FIO_HAVE_E4_ENG | |
36 | #define FIO_HAVE_BYTEORDER_FUNCS | |
6d0e9f83 | 37 | #define FIO_HAVE_MMAP_HUGE |
a5e0ee11 | 38 | #define FIO_NO_HAVE_SHM_H |
ec5c6b12 AC |
39 | |
40 | #define OS_MAP_ANON MAP_ANONYMOUS | |
41 | ||
93eeb558 | 42 | #ifndef POSIX_MADV_DONTNEED |
ec5c6b12 AC |
43 | #define posix_madvise madvise |
44 | #define POSIX_MADV_DONTNEED MADV_DONTNEED | |
45 | #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL | |
46 | #define POSIX_MADV_RANDOM MADV_RANDOM | |
93eeb558 | 47 | #endif |
48 | ||
ec5c6b12 AC |
49 | #ifdef MADV_REMOVE |
50 | #define FIO_MADV_FREE MADV_REMOVE | |
51 | #endif | |
a5e0ee11 O |
52 | #ifndef MAP_HUGETLB |
53 | #define MAP_HUGETLB 0x40000 /* arch specific */ | |
54 | #endif | |
ec5c6b12 AC |
55 | |
56 | ||
57 | /* | |
58 | * The Android NDK doesn't currently export <sys/shm.h>, so define the | |
59 | * necessary stuff here. | |
60 | */ | |
61 | ||
62 | #include <linux/shm.h> | |
63 | #define SHM_HUGETLB 04000 | |
64 | ||
239a11de AJ |
65 | #include <stdio.h> |
66 | #include <linux/ashmem.h> | |
67 | #include <sys/mman.h> | |
68 | ||
69 | #define ASHMEM_DEVICE "/dev/ashmem" | |
70 | ||
ec5c6b12 AC |
71 | static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) |
72 | { | |
239a11de AJ |
73 | int ret=0; |
74 | if (__cmd == IPC_RMID) | |
75 | { | |
76 | int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); | |
77 | struct ashmem_pin pin = {0 , length}; | |
78 | ret = ioctl(__shmid, ASHMEM_UNPIN, &pin); | |
79 | close(__shmid); | |
80 | } | |
81 | return ret; | |
ec5c6b12 AC |
82 | } |
83 | ||
84 | static inline int shmget (key_t __key, size_t __size, int __shmflg) | |
85 | { | |
239a11de AJ |
86 | int fd,ret; |
87 | char key[11]; | |
88 | ||
89 | fd = open(ASHMEM_DEVICE, O_RDWR); | |
90 | if (fd < 0) | |
91 | return fd; | |
92 | ||
93 | sprintf(key,"%d",__key); | |
94 | ret = ioctl(fd, ASHMEM_SET_NAME, key); | |
95 | if (ret < 0) | |
96 | goto error; | |
97 | ||
98 | ret = ioctl(fd, ASHMEM_SET_SIZE, __size); | |
99 | if (ret < 0) | |
100 | goto error; | |
101 | ||
102 | return fd; | |
103 | ||
104 | error: | |
105 | close(fd); | |
106 | return ret; | |
ec5c6b12 AC |
107 | } |
108 | ||
109 | static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg) | |
110 | { | |
239a11de AJ |
111 | size_t *ptr, size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); |
112 | ptr = mmap(NULL, size + sizeof(size_t), PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0); | |
113 | *ptr = size; //save size at beginning of buffer, for use with munmap | |
114 | return &ptr[1]; | |
ec5c6b12 AC |
115 | } |
116 | ||
117 | static inline int shmdt (const void *__shmaddr) | |
118 | { | |
239a11de AJ |
119 | size_t *ptr, size; |
120 | ptr = (size_t *)__shmaddr; | |
121 | ptr--; | |
122 | size = *ptr; //find mmap size which we stored at the beginning of the buffer | |
123 | return munmap((void *)ptr, size + sizeof(size_t)); | |
ec5c6b12 AC |
124 | } |
125 | ||
ec5c6b12 AC |
126 | #define SPLICE_DEF_SIZE (64*1024) |
127 | ||
177380ab AC |
128 | enum { |
129 | IOPRIO_CLASS_NONE, | |
130 | IOPRIO_CLASS_RT, | |
131 | IOPRIO_CLASS_BE, | |
132 | IOPRIO_CLASS_IDLE, | |
133 | }; | |
134 | ||
135 | enum { | |
136 | IOPRIO_WHO_PROCESS = 1, | |
137 | IOPRIO_WHO_PGRP, | |
138 | IOPRIO_WHO_USER, | |
139 | }; | |
140 | ||
141 | #define IOPRIO_BITS 16 | |
142 | #define IOPRIO_CLASS_SHIFT 13 | |
143 | ||
1767bd34 TK |
144 | #define IOPRIO_MIN_PRIO 0 /* highest priority */ |
145 | #define IOPRIO_MAX_PRIO 7 /* lowest priority */ | |
146 | ||
147 | #define IOPRIO_MIN_PRIO_CLASS 0 | |
148 | #define IOPRIO_MAX_PRIO_CLASS 3 | |
149 | ||
a415b2cc AC |
150 | static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio) |
151 | { | |
152 | /* | |
153 | * If no class is set, assume BE | |
154 | */ | |
155 | if (!ioprio_class) | |
156 | ioprio_class = IOPRIO_CLASS_BE; | |
157 | ||
158 | ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT; | |
159 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
160 | } | |
161 | ||
ec5c6b12 AC |
162 | #ifndef BLKGETSIZE64 |
163 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
164 | #endif | |
165 | ||
166 | #ifndef BLKFLSBUF | |
167 | #define BLKFLSBUF _IO(0x12,97) | |
168 | #endif | |
169 | ||
170 | #ifndef BLKDISCARD | |
171 | #define BLKDISCARD _IO(0x12,119) | |
172 | #endif | |
173 | ||
174 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
175 | { | |
176 | return ioctl(f->fd, BLKFLSBUF); | |
177 | } | |
178 | ||
179 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
180 | { | |
181 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
182 | return 0; | |
183 | ||
184 | return errno; | |
185 | } | |
186 | ||
187 | static inline unsigned long long os_phys_mem(void) | |
188 | { | |
189 | long pagesize, pages; | |
190 | ||
191 | pagesize = sysconf(_SC_PAGESIZE); | |
192 | pages = sysconf(_SC_PHYS_PAGES); | |
193 | if (pages == -1 || pagesize == -1) | |
194 | return 0; | |
195 | ||
196 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
197 | } | |
198 | ||
199 | typedef struct { unsigned short r[3]; } os_random_state_t; | |
200 | ||
201 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
202 | { | |
203 | rs->r[0] = seed & 0xffff; | |
204 | seed >>= 16; | |
205 | rs->r[1] = seed & 0xffff; | |
206 | seed >>= 16; | |
207 | rs->r[2] = seed & 0xffff; | |
208 | seed48(rs->r); | |
209 | } | |
210 | ||
211 | static inline long os_random_long(os_random_state_t *rs) | |
212 | { | |
213 | return nrand48(rs->r); | |
214 | } | |
215 | ||
216 | #ifdef O_NOATIME | |
217 | #define FIO_O_NOATIME O_NOATIME | |
218 | #else | |
219 | #define FIO_O_NOATIME 0 | |
220 | #endif | |
221 | ||
ec5c6b12 AC |
222 | #define fio_swap16(x) __bswap_16(x) |
223 | #define fio_swap32(x) __bswap_32(x) | |
224 | #define fio_swap64(x) __bswap_64(x) | |
225 | ||
226 | #define CACHE_LINE_FILE \ | |
227 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
228 | ||
229 | static inline int arch_cache_line_size(void) | |
230 | { | |
231 | char size[32]; | |
232 | int fd, ret; | |
233 | ||
234 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
235 | if (fd < 0) | |
236 | return -1; | |
237 | ||
238 | ret = read(fd, size, sizeof(size)); | |
239 | ||
240 | close(fd); | |
241 | ||
242 | if (ret <= 0) | |
243 | return -1; | |
244 | else | |
245 | return atoi(size); | |
246 | } | |
247 | ||
c08ad04c | 248 | static inline unsigned long long get_fs_free_size(const char *path) |
ec5c6b12 AC |
249 | { |
250 | unsigned long long ret; | |
251 | struct statfs s; | |
252 | ||
253 | if (statfs(path, &s) < 0) | |
254 | return -1ULL; | |
255 | ||
256 | ret = s.f_bsize; | |
257 | ret *= (unsigned long long) s.f_bfree; | |
258 | return ret; | |
259 | } | |
260 | ||
261 | static inline int os_trim(int fd, unsigned long long start, | |
262 | unsigned long long len) | |
263 | { | |
264 | uint64_t range[2]; | |
265 | ||
266 | range[0] = start; | |
267 | range[1] = len; | |
268 | ||
269 | if (!ioctl(fd, BLKDISCARD, range)) | |
270 | return 0; | |
271 | ||
272 | return errno; | |
273 | } | |
274 | ||
93eeb558 | 275 | #ifdef CONFIG_SCHED_IDLE |
276 | static inline int fio_set_sched_idle(void) | |
277 | { | |
278 | struct sched_param p = { .sched_priority = 0, }; | |
279 | return sched_setscheduler(gettid(), SCHED_IDLE, &p); | |
280 | } | |
281 | #endif | |
282 | ||
ec5c6b12 | 283 | #endif |