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 | ||
5446b11a | 27 | #define FIO_HAVE_CPU_AFFINITY |
ec5c6b12 | 28 | #define FIO_HAVE_DISK_UTIL |
ec5c6b12 | 29 | #define FIO_HAVE_IOSCHED_SWITCH |
177380ab | 30 | #define FIO_HAVE_IOPRIO |
32ef447a | 31 | #define FIO_HAVE_IOPRIO_CLASS |
ec5c6b12 AC |
32 | #define FIO_HAVE_ODIRECT |
33 | #define FIO_HAVE_HUGETLB | |
34 | #define FIO_HAVE_BLKTRACE | |
ec5c6b12 | 35 | #define FIO_HAVE_CL_SIZE |
3714a963 | 36 | #define FIO_HAVE_CGROUPS |
ec5c6b12 AC |
37 | #define FIO_HAVE_FS_STAT |
38 | #define FIO_HAVE_TRIM | |
ec5c6b12 AC |
39 | #define FIO_HAVE_GETTID |
40 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
41 | #define FIO_HAVE_E4_ENG | |
42 | #define FIO_HAVE_BYTEORDER_FUNCS | |
6d0e9f83 | 43 | #define FIO_HAVE_MMAP_HUGE |
a5e0ee11 | 44 | #define FIO_NO_HAVE_SHM_H |
ec5c6b12 AC |
45 | |
46 | #define OS_MAP_ANON MAP_ANONYMOUS | |
47 | ||
5446b11a BVA |
48 | typedef cpu_set_t os_cpu_mask_t; |
49 | ||
50 | #define fio_setaffinity(pid, cpumask) \ | |
51 | sched_setaffinity((pid), sizeof(cpumask), &(cpumask)) | |
52 | #define fio_getaffinity(pid, ptr) \ | |
53 | sched_getaffinity((pid), sizeof(cpu_set_t), (ptr)) | |
54 | ||
93eeb558 | 55 | #ifndef POSIX_MADV_DONTNEED |
ec5c6b12 AC |
56 | #define posix_madvise madvise |
57 | #define POSIX_MADV_DONTNEED MADV_DONTNEED | |
58 | #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL | |
59 | #define POSIX_MADV_RANDOM MADV_RANDOM | |
93eeb558 | 60 | #endif |
61 | ||
ec5c6b12 AC |
62 | #ifdef MADV_REMOVE |
63 | #define FIO_MADV_FREE MADV_REMOVE | |
64 | #endif | |
a5e0ee11 O |
65 | #ifndef MAP_HUGETLB |
66 | #define MAP_HUGETLB 0x40000 /* arch specific */ | |
67 | #endif | |
ec5c6b12 | 68 | |
e9d2a04d TK |
69 | #ifdef CONFIG_PTHREAD_GETAFFINITY |
70 | #define FIO_HAVE_GET_THREAD_AFFINITY | |
71 | #define fio_get_thread_affinity(mask) \ | |
72 | pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask)) | |
73 | #endif | |
74 | ||
5446b11a BVA |
75 | #define fio_cpu_clear(mask, cpu) CPU_CLR((cpu), (mask)) |
76 | #define fio_cpu_set(mask, cpu) CPU_SET((cpu), (mask)) | |
77 | #define fio_cpu_isset(mask, cpu) (CPU_ISSET((cpu), (mask)) != 0) | |
78 | #define fio_cpu_count(mask) CPU_COUNT((mask)) | |
79 | ||
80 | static inline int fio_cpuset_init(os_cpu_mask_t *mask) | |
81 | { | |
82 | CPU_ZERO(mask); | |
83 | return 0; | |
84 | } | |
85 | ||
86 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask) | |
87 | { | |
88 | return 0; | |
89 | } | |
90 | ||
91 | #define FIO_MAX_CPUS CPU_SETSIZE | |
92 | ||
646d19a4 | 93 | #include "os-ashmem.h" |
ec5c6b12 | 94 | |
ec5c6b12 AC |
95 | #define SPLICE_DEF_SIZE (64*1024) |
96 | ||
177380ab AC |
97 | enum { |
98 | IOPRIO_CLASS_NONE, | |
99 | IOPRIO_CLASS_RT, | |
100 | IOPRIO_CLASS_BE, | |
101 | IOPRIO_CLASS_IDLE, | |
102 | }; | |
103 | ||
104 | enum { | |
105 | IOPRIO_WHO_PROCESS = 1, | |
106 | IOPRIO_WHO_PGRP, | |
107 | IOPRIO_WHO_USER, | |
108 | }; | |
109 | ||
110 | #define IOPRIO_BITS 16 | |
111 | #define IOPRIO_CLASS_SHIFT 13 | |
112 | ||
1767bd34 TK |
113 | #define IOPRIO_MIN_PRIO 0 /* highest priority */ |
114 | #define IOPRIO_MAX_PRIO 7 /* lowest priority */ | |
115 | ||
116 | #define IOPRIO_MIN_PRIO_CLASS 0 | |
117 | #define IOPRIO_MAX_PRIO_CLASS 3 | |
118 | ||
8d6e8d99 | 119 | static inline int ioprio_value(int ioprio_class, int ioprio) |
a415b2cc AC |
120 | { |
121 | /* | |
122 | * If no class is set, assume BE | |
123 | */ | |
8d6e8d99 DLM |
124 | if (!ioprio_class) |
125 | ioprio_class = IOPRIO_CLASS_BE; | |
126 | ||
127 | return (ioprio_class << IOPRIO_CLASS_SHIFT) | ioprio; | |
128 | } | |
a415b2cc | 129 | |
03ec570f DLM |
130 | static inline bool ioprio_value_is_class_rt(unsigned int priority) |
131 | { | |
132 | return (priority >> IOPRIO_CLASS_SHIFT) == IOPRIO_CLASS_RT; | |
133 | } | |
134 | ||
8d6e8d99 DLM |
135 | static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio) |
136 | { | |
137 | return syscall(__NR_ioprio_set, which, who, | |
138 | ioprio_value(ioprio_class, ioprio)); | |
a415b2cc AC |
139 | } |
140 | ||
ec5c6b12 AC |
141 | #ifndef BLKGETSIZE64 |
142 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
143 | #endif | |
144 | ||
145 | #ifndef BLKFLSBUF | |
146 | #define BLKFLSBUF _IO(0x12,97) | |
147 | #endif | |
148 | ||
149 | #ifndef BLKDISCARD | |
150 | #define BLKDISCARD _IO(0x12,119) | |
151 | #endif | |
152 | ||
153 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
154 | { | |
155 | return ioctl(f->fd, BLKFLSBUF); | |
156 | } | |
157 | ||
158 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
159 | { | |
160 | if (!ioctl(f->fd, BLKGETSIZE64, bytes)) | |
161 | return 0; | |
162 | ||
163 | return errno; | |
164 | } | |
165 | ||
166 | static inline unsigned long long os_phys_mem(void) | |
167 | { | |
168 | long pagesize, pages; | |
169 | ||
170 | pagesize = sysconf(_SC_PAGESIZE); | |
171 | pages = sysconf(_SC_PHYS_PAGES); | |
172 | if (pages == -1 || pagesize == -1) | |
173 | return 0; | |
174 | ||
175 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
176 | } | |
177 | ||
ec5c6b12 AC |
178 | #ifdef O_NOATIME |
179 | #define FIO_O_NOATIME O_NOATIME | |
180 | #else | |
181 | #define FIO_O_NOATIME 0 | |
182 | #endif | |
183 | ||
0fa5c986 OM |
184 | /* Check for GCC or Clang byte swap intrinsics */ |
185 | #if (__has_builtin(__builtin_bswap16) && __has_builtin(__builtin_bswap32) \ | |
186 | && __has_builtin(__builtin_bswap64)) || (__GNUC__ > 4 \ | |
187 | || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) /* fio_swapN */ | |
188 | #define fio_swap16(x) __builtin_bswap16(x) | |
189 | #define fio_swap32(x) __builtin_bswap32(x) | |
190 | #define fio_swap64(x) __builtin_bswap64(x) | |
191 | #else | |
192 | #include <byteswap.h> | |
193 | #define fio_swap16(x) bswap_16(x) | |
194 | #define fio_swap32(x) bswap_32(x) | |
195 | #define fio_swap64(x) bswap_64(x) | |
196 | #endif /* fio_swapN */ | |
ec5c6b12 AC |
197 | |
198 | #define CACHE_LINE_FILE \ | |
199 | "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" | |
200 | ||
201 | static inline int arch_cache_line_size(void) | |
202 | { | |
203 | char size[32]; | |
204 | int fd, ret; | |
205 | ||
206 | fd = open(CACHE_LINE_FILE, O_RDONLY); | |
207 | if (fd < 0) | |
208 | return -1; | |
209 | ||
210 | ret = read(fd, size, sizeof(size)); | |
211 | ||
212 | close(fd); | |
213 | ||
214 | if (ret <= 0) | |
215 | return -1; | |
216 | else | |
217 | return atoi(size); | |
218 | } | |
219 | ||
c08ad04c | 220 | static inline unsigned long long get_fs_free_size(const char *path) |
ec5c6b12 AC |
221 | { |
222 | unsigned long long ret; | |
223 | struct statfs s; | |
224 | ||
225 | if (statfs(path, &s) < 0) | |
226 | return -1ULL; | |
227 | ||
228 | ret = s.f_bsize; | |
229 | ret *= (unsigned long long) s.f_bfree; | |
230 | return ret; | |
231 | } | |
232 | ||
496b1f9e | 233 | static inline int os_trim(struct fio_file *f, unsigned long long start, |
ec5c6b12 AC |
234 | unsigned long long len) |
235 | { | |
236 | uint64_t range[2]; | |
237 | ||
238 | range[0] = start; | |
239 | range[1] = len; | |
240 | ||
496b1f9e | 241 | if (!ioctl(f->fd, BLKDISCARD, range)) |
ec5c6b12 AC |
242 | return 0; |
243 | ||
244 | return errno; | |
245 | } | |
246 | ||
93eeb558 | 247 | #ifdef CONFIG_SCHED_IDLE |
248 | static inline int fio_set_sched_idle(void) | |
249 | { | |
250 | struct sched_param p = { .sched_priority = 0, }; | |
251 | return sched_setscheduler(gettid(), SCHED_IDLE, &p); | |
252 | } | |
253 | #endif | |
254 | ||
d2257a27 BVA |
255 | #ifndef RWF_UNCACHED |
256 | #define RWF_UNCACHED 0x00000040 | |
257 | #endif | |
258 | ||
ec5c6b12 | 259 | #endif |