X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os-linux.h;h=657a679e23486e0e8e319d3cc10dd8f8a7c635f4;hp=752d17e1e84db3af75726560574aaa20b712a8e1;hb=43d768074375795e8d9565ba75cfd00228cc61df;hpb=7313b48c3196b4750f4103e8622126039e2231c6 diff --git a/os-linux.h b/os-linux.h index 752d17e1..657a679e 100644 --- a/os-linux.h +++ b/os-linux.h @@ -18,6 +18,14 @@ #define FIO_HAVE_SPLICE #define FIO_HAVE_IOSCHED_SWITCH #define FIO_HAVE_ODIRECT +#define FIO_HAVE_HUGETLB + +/* + * Only for x86 currently + */ +#if defined(__i386__) +#define FIO_HAVE_SYSLET +#endif #define OS_MAP_ANON (MAP_ANONYMOUS) @@ -72,6 +80,36 @@ static inline int vmsplice(int fd, const struct iovec *iov, #define SPLICE_DEF_SIZE (64*1024) +#ifdef FIO_HAVE_SYSLET +/* + * syslet stuff + */ +static inline long async_register(void *uah, unsigned int len) +{ + return syscall(__NR_async_register, uah, len); +} + +static inline void *async_exec(void *data) +{ + return (void *) syscall(__NR_async_exec, data); +} + +static inline long async_wait(unsigned long min_events) +{ + return syscall(__NR_async_wait, min_events); +} + +static inline long async_unregister(void *uah, unsigned int len) +{ + return syscall(__NR_async_unregister, uah, len); +} + +static inline long umem_add(unsigned long *uptr, unsigned long inc) +{ + return syscall(__NR_umem_add, uptr, inc); +} +#endif /* FIO_HAVE_SYSLET */ + enum { IOPRIO_WHO_PROCESS = 1, IOPRIO_WHO_PGRP,