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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> | |
7 | #include <sys/uio.h> | |
8 | #include <sys/syscall.h> | |
9 | #include <sys/vfs.h> | |
10 | #include <unistd.h> | |
11 | #include <fcntl.h> | |
12 | #include <errno.h> | |
13 | #include <sched.h> | |
14 | #include <linux/unistd.h> | |
15 | #include <linux/major.h> | |
da52c582 | 16 | #include <asm/byteorder.h> |
ec5c6b12 | 17 | |
ec5c6b12 AC |
18 | #include "binject.h" |
19 | #include "../file.h" | |
20 | ||
21 | #define FIO_HAVE_DISK_UTIL | |
ec5c6b12 | 22 | #define FIO_HAVE_IOSCHED_SWITCH |
177380ab | 23 | #define FIO_HAVE_IOPRIO |
ec5c6b12 AC |
24 | #define FIO_HAVE_ODIRECT |
25 | #define FIO_HAVE_HUGETLB | |
26 | #define FIO_HAVE_BLKTRACE | |
ec5c6b12 AC |
27 | #define FIO_HAVE_PSHARED_MUTEX |
28 | #define FIO_HAVE_CL_SIZE | |
ec5c6b12 AC |
29 | #define FIO_HAVE_FS_STAT |
30 | #define FIO_HAVE_TRIM | |
ec5c6b12 AC |
31 | #define FIO_HAVE_GETTID |
32 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
33 | #define FIO_HAVE_E4_ENG | |
34 | #define FIO_HAVE_BYTEORDER_FUNCS | |
6d0e9f83 | 35 | #define FIO_HAVE_MMAP_HUGE |
a5e0ee11 | 36 | #define FIO_NO_HAVE_SHM_H |
ec5c6b12 AC |
37 | |
38 | #define OS_MAP_ANON MAP_ANONYMOUS | |
39 | ||
40 | #define posix_madvise madvise | |
41 | #define POSIX_MADV_DONTNEED MADV_DONTNEED | |
42 | #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL | |
43 | #define POSIX_MADV_RANDOM MADV_RANDOM | |
44 | #ifdef MADV_REMOVE | |
45 | #define FIO_MADV_FREE MADV_REMOVE | |
46 | #endif | |
a5e0ee11 O |
47 | #ifndef MAP_HUGETLB |
48 | #define MAP_HUGETLB 0x40000 /* arch specific */ | |
49 | #endif | |
ec5c6b12 AC |
50 | |
51 | ||
52 | /* | |
53 | * The Android NDK doesn't currently export <sys/shm.h>, so define the | |
54 | * necessary stuff here. | |
55 | */ | |
56 | ||
57 | #include <linux/shm.h> | |
58 | #define SHM_HUGETLB 04000 | |
59 | ||
239a11de AJ |
60 | #include <stdio.h> |
61 | #include <linux/ashmem.h> | |
62 | #include <sys/mman.h> | |
63 | ||
64 | #define ASHMEM_DEVICE "/dev/ashmem" | |
65 | ||
ec5c6b12 AC |
66 | static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) |
67 | { | |
239a11de AJ |
68 | int ret=0; |
69 | if (__cmd == IPC_RMID) | |
70 | { | |
71 | int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); | |
72 | struct ashmem_pin pin = {0 , length}; | |
73 | ret = ioctl(__shmid, ASHMEM_UNPIN, &pin); | |
74 | close(__shmid); | |
75 | } | |
76 | return ret; | |
ec5c6b12 AC |
77 | } |
78 | ||
79 | static inline int shmget (key_t __key, size_t __size, int __shmflg) | |
80 | { | |
239a11de AJ |
81 | int fd,ret; |
82 | char key[11]; | |
83 | ||
84 | fd = open(ASHMEM_DEVICE, O_RDWR); | |
85 | if (fd < 0) | |
86 | return fd; | |
87 | ||
88 | sprintf(key,"%d",__key); | |
89 | ret = ioctl(fd, ASHMEM_SET_NAME, key); | |
90 | if (ret < 0) | |
91 | goto error; | |
92 | ||
93 | ret = ioctl(fd, ASHMEM_SET_SIZE, __size); | |
94 | if (ret < 0) | |
95 | goto error; | |
96 | ||
97 | return fd; | |
98 | ||
99 | error: | |
100 | close(fd); | |
101 | return ret; | |
ec5c6b12 AC |
102 | } |
103 | ||
104 | static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg) | |
105 | { | |
239a11de AJ |
106 | size_t *ptr, size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); |
107 | ptr = mmap(NULL, size + sizeof(size_t), PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0); | |
108 | *ptr = size; //save size at beginning of buffer, for use with munmap | |
109 | return &ptr[1]; | |
ec5c6b12 AC |
110 | } |
111 | ||
112 | static inline int shmdt (const void *__shmaddr) | |
113 | { | |
239a11de AJ |
114 | size_t *ptr, size; |
115 | ptr = (size_t *)__shmaddr; | |
116 | ptr--; | |
117 | size = *ptr; //find mmap size which we stored at the beginning of the buffer | |
118 | return munmap((void *)ptr, size + sizeof(size_t)); | |
ec5c6b12 AC |
119 | } |
120 | ||
ec5c6b12 AC |
121 | #define SPLICE_DEF_SIZE (64*1024) |
122 | ||
177380ab AC |
123 | enum { |
124 | IOPRIO_CLASS_NONE, | |
125 | IOPRIO_CLASS_RT, | |
126 | IOPRIO_CLASS_BE, | |
127 | IOPRIO_CLASS_IDLE, | |
128 | }; | |
129 | ||
130 | enum { | |
131 | IOPRIO_WHO_PROCESS = 1, | |
132 | IOPRIO_WHO_PGRP, | |
133 | IOPRIO_WHO_USER, | |
134 | }; | |
135 | ||
136 | #define IOPRIO_BITS 16 | |
137 | #define IOPRIO_CLASS_SHIFT 13 | |
138 | ||
a415b2cc AC |
139 | static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio) |
140 | { | |
141 | /* | |
142 | * If no class is set, assume BE | |
143 | */ | |
144 | if (!ioprio_class) | |
145 | ioprio_class = IOPRIO_CLASS_BE; | |
146 | ||
147 | ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT; | |
148 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
149 | } | |
150 | ||
ec5c6b12 AC |
151 | #ifndef BLKGETSIZE64 |
152 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
153 | #endif | |
154 | ||
155 | #ifndef BLKFLSBUF | |
156 | #define BLKFLSBUF _IO(0x12,97) | |
157 | #endif | |
158 | ||
159 | #ifndef BLKDISCARD | |
160 | #define BLKDISCARD _IO(0x12,119) | |
161 | #endif | |
162 | ||
163 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
164 | { | |
165 | return ioctl(f->fd, BLKFLSBUF); | |
166 | } | |
167 | ||
168 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
169 | { | |
170 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
171 | return 0; | |
172 | ||
173 | return errno; | |
174 | } | |
175 | ||
176 | static inline unsigned long long os_phys_mem(void) | |
177 | { | |
178 | long pagesize, pages; | |
179 | ||
180 | pagesize = sysconf(_SC_PAGESIZE); | |
181 | pages = sysconf(_SC_PHYS_PAGES); | |
182 | if (pages == -1 || pagesize == -1) | |
183 | return 0; | |
184 | ||
185 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
186 | } | |
187 | ||
188 | typedef struct { unsigned short r[3]; } os_random_state_t; | |
189 | ||
190 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
191 | { | |
192 | rs->r[0] = seed & 0xffff; | |
193 | seed >>= 16; | |
194 | rs->r[1] = seed & 0xffff; | |
195 | seed >>= 16; | |
196 | rs->r[2] = seed & 0xffff; | |
197 | seed48(rs->r); | |
198 | } | |
199 | ||
200 | static inline long os_random_long(os_random_state_t *rs) | |
201 | { | |
202 | return nrand48(rs->r); | |
203 | } | |
204 | ||
205 | #ifdef O_NOATIME | |
206 | #define FIO_O_NOATIME O_NOATIME | |
207 | #else | |
208 | #define FIO_O_NOATIME 0 | |
209 | #endif | |
210 | ||
ec5c6b12 AC |
211 | #define fio_swap16(x) __bswap_16(x) |
212 | #define fio_swap32(x) __bswap_32(x) | |
213 | #define fio_swap64(x) __bswap_64(x) | |
214 | ||
215 | #define CACHE_LINE_FILE \ | |
216 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
217 | ||
218 | static inline int arch_cache_line_size(void) | |
219 | { | |
220 | char size[32]; | |
221 | int fd, ret; | |
222 | ||
223 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
224 | if (fd < 0) | |
225 | return -1; | |
226 | ||
227 | ret = read(fd, size, sizeof(size)); | |
228 | ||
229 | close(fd); | |
230 | ||
231 | if (ret <= 0) | |
232 | return -1; | |
233 | else | |
234 | return atoi(size); | |
235 | } | |
236 | ||
237 | static inline unsigned long long get_fs_size(const char *path) | |
238 | { | |
239 | unsigned long long ret; | |
240 | struct statfs s; | |
241 | ||
242 | if (statfs(path, &s) < 0) | |
243 | return -1ULL; | |
244 | ||
245 | ret = s.f_bsize; | |
246 | ret *= (unsigned long long) s.f_bfree; | |
247 | return ret; | |
248 | } | |
249 | ||
250 | static inline int os_trim(int fd, unsigned long long start, | |
251 | unsigned long long len) | |
252 | { | |
253 | uint64_t range[2]; | |
254 | ||
255 | range[0] = start; | |
256 | range[1] = len; | |
257 | ||
258 | if (!ioctl(fd, BLKDISCARD, range)) | |
259 | return 0; | |
260 | ||
261 | return errno; | |
262 | } | |
263 | ||
264 | #endif |