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> | |
036a1599 | 10 | #include <sys/sysmacros.h> |
ec5c6b12 AC |
11 | #include <sys/vfs.h> |
12 | #include <unistd.h> | |
13 | #include <fcntl.h> | |
14 | #include <errno.h> | |
15 | #include <sched.h> | |
16 | #include <linux/unistd.h> | |
17 | #include <linux/major.h> | |
da52c582 | 18 | #include <asm/byteorder.h> |
ec5c6b12 | 19 | |
eec97b93 | 20 | #include "./os-linux-syscall.h" |
ec5c6b12 AC |
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 |
3714a963 | 35 | #define FIO_HAVE_CGROUPS |
ec5c6b12 AC |
36 | #define FIO_HAVE_FS_STAT |
37 | #define FIO_HAVE_TRIM | |
ec5c6b12 AC |
38 | #define FIO_HAVE_GETTID |
39 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
40 | #define FIO_HAVE_E4_ENG | |
41 | #define FIO_HAVE_BYTEORDER_FUNCS | |
6d0e9f83 | 42 | #define FIO_HAVE_MMAP_HUGE |
a5e0ee11 | 43 | #define FIO_NO_HAVE_SHM_H |
ec5c6b12 AC |
44 | |
45 | #define OS_MAP_ANON MAP_ANONYMOUS | |
46 | ||
93eeb558 | 47 | #ifndef POSIX_MADV_DONTNEED |
ec5c6b12 AC |
48 | #define posix_madvise madvise |
49 | #define POSIX_MADV_DONTNEED MADV_DONTNEED | |
50 | #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL | |
51 | #define POSIX_MADV_RANDOM MADV_RANDOM | |
93eeb558 | 52 | #endif |
53 | ||
ec5c6b12 AC |
54 | #ifdef MADV_REMOVE |
55 | #define FIO_MADV_FREE MADV_REMOVE | |
56 | #endif | |
a5e0ee11 O |
57 | #ifndef MAP_HUGETLB |
58 | #define MAP_HUGETLB 0x40000 /* arch specific */ | |
59 | #endif | |
ec5c6b12 | 60 | |
e9d2a04d TK |
61 | #ifdef CONFIG_PTHREAD_GETAFFINITY |
62 | #define FIO_HAVE_GET_THREAD_AFFINITY | |
63 | #define fio_get_thread_affinity(mask) \ | |
64 | pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask)) | |
65 | #endif | |
66 | ||
6ca9b06d | 67 | #ifndef CONFIG_NO_SHM |
ec5c6b12 | 68 | /* |
68bf62a0 | 69 | * Bionic doesn't support SysV shared memeory, so implement it using ashmem |
ec5c6b12 | 70 | */ |
239a11de AJ |
71 | #include <stdio.h> |
72 | #include <linux/ashmem.h> | |
68bf62a0 OM |
73 | #include <linux/shm.h> |
74 | #define shmid_ds shmid64_ds | |
75 | #define SHM_HUGETLB 04000 | |
239a11de AJ |
76 | |
77 | #define ASHMEM_DEVICE "/dev/ashmem" | |
78 | ||
68bf62a0 | 79 | static inline int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf) |
ec5c6b12 | 80 | { |
239a11de AJ |
81 | int ret=0; |
82 | if (__cmd == IPC_RMID) | |
83 | { | |
84 | int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); | |
85 | struct ashmem_pin pin = {0 , length}; | |
86 | ret = ioctl(__shmid, ASHMEM_UNPIN, &pin); | |
87 | close(__shmid); | |
88 | } | |
89 | return ret; | |
ec5c6b12 AC |
90 | } |
91 | ||
68bf62a0 | 92 | static inline int shmget(key_t __key, size_t __size, int __shmflg) |
ec5c6b12 | 93 | { |
239a11de | 94 | int fd,ret; |
91f64346 OM |
95 | char keybuf[11]; |
96 | ||
239a11de AJ |
97 | fd = open(ASHMEM_DEVICE, O_RDWR); |
98 | if (fd < 0) | |
99 | return fd; | |
100 | ||
91f64346 OM |
101 | sprintf(keybuf,"%d",__key); |
102 | ret = ioctl(fd, ASHMEM_SET_NAME, keybuf); | |
239a11de AJ |
103 | if (ret < 0) |
104 | goto error; | |
105 | ||
d8767475 OM |
106 | /* Stores size in first 8 bytes, allocate extra space */ |
107 | ret = ioctl(fd, ASHMEM_SET_SIZE, __size + sizeof(uint64_t)); | |
239a11de AJ |
108 | if (ret < 0) |
109 | goto error; | |
110 | ||
111 | return fd; | |
91f64346 | 112 | |
239a11de AJ |
113 | error: |
114 | close(fd); | |
115 | return ret; | |
ec5c6b12 AC |
116 | } |
117 | ||
68bf62a0 | 118 | static inline void *shmat(int __shmid, const void *__shmaddr, int __shmflg) |
ec5c6b12 | 119 | { |
d8767475 OM |
120 | size_t size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL); |
121 | /* Needs to be 8-byte aligned to prevent SIGBUS on 32-bit ARM */ | |
122 | uint64_t *ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0); | |
123 | /* Save size at beginning of buffer, for use with munmap */ | |
124 | *ptr = size; | |
125 | return ptr + 1; | |
ec5c6b12 AC |
126 | } |
127 | ||
128 | static inline int shmdt (const void *__shmaddr) | |
129 | { | |
d8767475 OM |
130 | /* Find mmap size which we stored at the beginning of the buffer */ |
131 | uint64_t *ptr = (uint64_t *)__shmaddr - 1; | |
132 | size_t size = *ptr; | |
133 | return munmap(ptr, size); | |
ec5c6b12 | 134 | } |
6ca9b06d | 135 | #endif |
ec5c6b12 | 136 | |
ec5c6b12 AC |
137 | #define SPLICE_DEF_SIZE (64*1024) |
138 | ||
177380ab AC |
139 | enum { |
140 | IOPRIO_CLASS_NONE, | |
141 | IOPRIO_CLASS_RT, | |
142 | IOPRIO_CLASS_BE, | |
143 | IOPRIO_CLASS_IDLE, | |
144 | }; | |
145 | ||
146 | enum { | |
147 | IOPRIO_WHO_PROCESS = 1, | |
148 | IOPRIO_WHO_PGRP, | |
149 | IOPRIO_WHO_USER, | |
150 | }; | |
151 | ||
152 | #define IOPRIO_BITS 16 | |
153 | #define IOPRIO_CLASS_SHIFT 13 | |
154 | ||
1767bd34 TK |
155 | #define IOPRIO_MIN_PRIO 0 /* highest priority */ |
156 | #define IOPRIO_MAX_PRIO 7 /* lowest priority */ | |
157 | ||
158 | #define IOPRIO_MIN_PRIO_CLASS 0 | |
159 | #define IOPRIO_MAX_PRIO_CLASS 3 | |
160 | ||
a415b2cc AC |
161 | static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio) |
162 | { | |
163 | /* | |
164 | * If no class is set, assume BE | |
165 | */ | |
166 | if (!ioprio_class) | |
167 | ioprio_class = IOPRIO_CLASS_BE; | |
168 | ||
169 | ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT; | |
170 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
171 | } | |
172 | ||
ec5c6b12 AC |
173 | #ifndef BLKGETSIZE64 |
174 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
175 | #endif | |
176 | ||
177 | #ifndef BLKFLSBUF | |
178 | #define BLKFLSBUF _IO(0x12,97) | |
179 | #endif | |
180 | ||
181 | #ifndef BLKDISCARD | |
182 | #define BLKDISCARD _IO(0x12,119) | |
183 | #endif | |
184 | ||
185 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
186 | { | |
187 | return ioctl(f->fd, BLKFLSBUF); | |
188 | } | |
189 | ||
190 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
191 | { | |
192 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
193 | return 0; | |
194 | ||
195 | return errno; | |
196 | } | |
197 | ||
198 | static inline unsigned long long os_phys_mem(void) | |
199 | { | |
200 | long pagesize, pages; | |
201 | ||
202 | pagesize = sysconf(_SC_PAGESIZE); | |
203 | pages = sysconf(_SC_PHYS_PAGES); | |
204 | if (pages == -1 || pagesize == -1) | |
205 | return 0; | |
206 | ||
207 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
208 | } | |
209 | ||
ec5c6b12 AC |
210 | #ifdef O_NOATIME |
211 | #define FIO_O_NOATIME O_NOATIME | |
212 | #else | |
213 | #define FIO_O_NOATIME 0 | |
214 | #endif | |
215 | ||
0fa5c986 OM |
216 | /* Check for GCC or Clang byte swap intrinsics */ |
217 | #if (__has_builtin(__builtin_bswap16) && __has_builtin(__builtin_bswap32) \ | |
218 | && __has_builtin(__builtin_bswap64)) || (__GNUC__ > 4 \ | |
219 | || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) /* fio_swapN */ | |
220 | #define fio_swap16(x) __builtin_bswap16(x) | |
221 | #define fio_swap32(x) __builtin_bswap32(x) | |
222 | #define fio_swap64(x) __builtin_bswap64(x) | |
223 | #else | |
224 | #include <byteswap.h> | |
225 | #define fio_swap16(x) bswap_16(x) | |
226 | #define fio_swap32(x) bswap_32(x) | |
227 | #define fio_swap64(x) bswap_64(x) | |
228 | #endif /* fio_swapN */ | |
ec5c6b12 AC |
229 | |
230 | #define CACHE_LINE_FILE \ | |
231 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
232 | ||
233 | static inline int arch_cache_line_size(void) | |
234 | { | |
235 | char size[32]; | |
236 | int fd, ret; | |
237 | ||
238 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
239 | if (fd < 0) | |
240 | return -1; | |
241 | ||
242 | ret = read(fd, size, sizeof(size)); | |
243 | ||
244 | close(fd); | |
245 | ||
246 | if (ret <= 0) | |
247 | return -1; | |
248 | else | |
249 | return atoi(size); | |
250 | } | |
251 | ||
c08ad04c | 252 | static inline unsigned long long get_fs_free_size(const char *path) |
ec5c6b12 AC |
253 | { |
254 | unsigned long long ret; | |
255 | struct statfs s; | |
256 | ||
257 | if (statfs(path, &s) < 0) | |
258 | return -1ULL; | |
259 | ||
260 | ret = s.f_bsize; | |
261 | ret *= (unsigned long long) s.f_bfree; | |
262 | return ret; | |
263 | } | |
264 | ||
496b1f9e | 265 | static inline int os_trim(struct fio_file *f, unsigned long long start, |
ec5c6b12 AC |
266 | unsigned long long len) |
267 | { | |
268 | uint64_t range[2]; | |
269 | ||
270 | range[0] = start; | |
271 | range[1] = len; | |
272 | ||
496b1f9e | 273 | if (!ioctl(f->fd, BLKDISCARD, range)) |
ec5c6b12 AC |
274 | return 0; |
275 | ||
276 | return errno; | |
277 | } | |
278 | ||
93eeb558 | 279 | #ifdef CONFIG_SCHED_IDLE |
280 | static inline int fio_set_sched_idle(void) | |
281 | { | |
282 | struct sched_param p = { .sched_priority = 0, }; | |
283 | return sched_setscheduler(gettid(), SCHED_IDLE, &p); | |
284 | } | |
285 | #endif | |
286 | ||
ec5c6b12 | 287 | #endif |