+#ifndef FIO_OS_ANDROID_H
+#define FIO_OS_ANDROID_H
+
+#define FIO_OS os_android
+
+#include <sys/ioctl.h>
+#include <sys/uio.h>
+#include <sys/syscall.h>
+#include <sys/vfs.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sched.h>
+#include <linux/unistd.h>
+#include <linux/major.h>
+#include <endian.h>
+
+#include "indirect.h"
+#include "binject.h"
+#include "../file.h"
+
+#define FIO_HAVE_DISK_UTIL
+#define FIO_HAVE_SPLICE
+#define FIO_HAVE_IOSCHED_SWITCH
+#define FIO_HAVE_ODIRECT
+#define FIO_HAVE_HUGETLB
+#define FIO_HAVE_BLKTRACE
+#define FIO_HAVE_STRSEP
+#define FIO_HAVE_POSIXAIO_FSYNC
+#define FIO_HAVE_PSHARED_MUTEX
+#define FIO_HAVE_CL_SIZE
+#define FIO_HAVE_FDATASYNC
+#define FIO_HAVE_FS_STAT
+#define FIO_HAVE_TRIM
+#define FIO_HAVE_CLOCK_MONOTONIC
+#define FIO_HAVE_GETTID
+#define FIO_USE_GENERIC_INIT_RANDOM_STATE
+#define FIO_HAVE_E4_ENG
+#define FIO_HAVE_BYTEORDER_FUNCS
+
+#define OS_MAP_ANON MAP_ANONYMOUS
+
+#define posix_madvise madvise
+#define POSIX_MADV_DONTNEED MADV_DONTNEED
+#define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL
+#define POSIX_MADV_RANDOM MADV_RANDOM
+#ifdef MADV_REMOVE
+#define FIO_MADV_FREE MADV_REMOVE
+#endif
+
+
+/*
+ * The Android NDK doesn't currently export <sys/shm.h>, so define the
+ * necessary stuff here.
+ */
+
+#include <linux/shm.h>
+#define SHM_HUGETLB 04000
+
+static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf)
+{
+ return syscall(__NR_shmctl, __shmid, __cmd, __buf);
+}
+
+static inline int shmget (key_t __key, size_t __size, int __shmflg)
+{
+ return syscall(__NR_shmget, __key, __size, __shmflg);
+}
+
+static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg)
+{
+ return (void *)syscall(__NR_shmat, __shmid, __shmaddr, __shmflg);
+}
+
+static inline int shmdt (const void *__shmaddr)
+{
+ return syscall(__NR_shmctl, __shmaddr);
+}
+
+
+/*
+ * Just check for SPLICE_F_MOVE, if that isn't there, assume the others
+ * aren't either.
+ */
+#ifndef SPLICE_F_MOVE
+#define SPLICE_F_MOVE (0x01) /* move pages instead of copying */
+#define SPLICE_F_NONBLOCK (0x02) /* don't block on the pipe splicing (but */
+ /* we may still block on the fd we splice */
+ /* from/to, of course */
+#define SPLICE_F_MORE (0x04) /* expect more data */
+#define SPLICE_F_GIFT (0x08) /* pages passed in are a gift */
+
+static inline int splice(int fdin, loff_t *off_in, int fdout, loff_t *off_out,
+ size_t len, unsigned int flags)
+{
+ return syscall(__NR_sys_splice, fdin, off_in, fdout, off_out, len, flags);
+}
+
+static inline int tee(int fdin, int fdout, size_t len, unsigned int flags)
+{
+ return syscall(__NR_sys_tee, fdin, fdout, len, flags);
+}
+
+static inline int vmsplice(int fd, const struct iovec *iov,
+ unsigned long nr_segs, unsigned int flags)
+{
+ return syscall(__NR_sys_vmsplice, fd, iov, nr_segs, flags);
+}
+#endif
+
+#define SPLICE_DEF_SIZE (64*1024)
+
+#ifndef BLKGETSIZE64
+#define BLKGETSIZE64 _IOR(0x12,114,size_t)
+#endif
+
+#ifndef BLKFLSBUF
+#define BLKFLSBUF _IO(0x12,97)
+#endif
+
+#ifndef BLKDISCARD
+#define BLKDISCARD _IO(0x12,119)
+#endif
+
+static inline int blockdev_invalidate_cache(struct fio_file *f)
+{
+ return ioctl(f->fd, BLKFLSBUF);
+}
+
+static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
+{
+ if (!ioctl(f->fd, BLKGETSIZE64, bytes))
+ return 0;
+
+ return errno;
+}
+
+static inline unsigned long long os_phys_mem(void)
+{
+ long pagesize, pages;
+
+ pagesize = sysconf(_SC_PAGESIZE);
+ pages = sysconf(_SC_PHYS_PAGES);
+ if (pages == -1 || pagesize == -1)
+ return 0;
+
+ return (unsigned long long) pages * (unsigned long long) pagesize;
+}
+
+typedef struct { unsigned short r[3]; } os_random_state_t;
+
+static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
+{
+ rs->r[0] = seed & 0xffff;
+ seed >>= 16;
+ rs->r[1] = seed & 0xffff;
+ seed >>= 16;
+ rs->r[2] = seed & 0xffff;
+ seed48(rs->r);
+}
+
+static inline long os_random_long(os_random_state_t *rs)
+{
+ return nrand48(rs->r);
+}
+
+#ifdef O_NOATIME
+#define FIO_O_NOATIME O_NOATIME
+#else
+#define FIO_O_NOATIME 0
+#endif
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define FIO_LITTLE_ENDIAN
+#elif __BYTE_ORDER == __BIG_ENDIAN
+#define FIO_BIG_ENDIAN
+#else
+#error "Unknown endianness"
+#endif
+
+#define fio_swap16(x) __bswap_16(x)
+#define fio_swap32(x) __bswap_32(x)
+#define fio_swap64(x) __bswap_64(x)
+
+#define CACHE_LINE_FILE \
+ "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size"
+
+static inline int arch_cache_line_size(void)
+{
+ char size[32];
+ int fd, ret;
+
+ fd = open(CACHE_LINE_FILE, O_RDONLY);
+ if (fd < 0)
+ return -1;
+
+ ret = read(fd, size, sizeof(size));
+
+ close(fd);
+
+ if (ret <= 0)
+ return -1;
+ else
+ return atoi(size);
+}
+
+static inline unsigned long long get_fs_size(const char *path)
+{
+ unsigned long long ret;
+ struct statfs s;
+
+ if (statfs(path, &s) < 0)
+ return -1ULL;
+
+ ret = s.f_bsize;
+ ret *= (unsigned long long) s.f_bfree;
+ return ret;
+}
+
+static inline int os_trim(int fd, unsigned long long start,
+ unsigned long long len)
+{
+ uint64_t range[2];
+
+ range[0] = start;
+ range[1] = len;
+
+ if (!ioctl(fd, BLKDISCARD, range))
+ return 0;
+
+ return errno;
+}
+
+#endif
projects / fio.git / commitdiff