From: Alviro Iskandar Setiawan <alviro.iskandar@xxxxxxxxxxx> This is a preparation for refactoring the syscall wrappers. This creates a new file src/arch/generic/syscall.h. This file contains libc syscall wrappers for architectures that don't have arch specific code. In the next patches, we will include this file from src/syscall.h. It aims to reduce the usage of #ifdef/#endif that occurs in every function in src/syscall.h file. Also, it will make the arch specific code structure cleaner and easier to manage. Cc: Nugra <richiisei@xxxxxxxxx> Signed-off-by: Alviro Iskandar Setiawan <alviro.iskandar@xxxxxxxxxxx> Co-authored-by: Ammar Faizi <ammarfaizi2@xxxxxxxxxxx> Signed-off-by: Ammar Faizi <ammarfaizi2@xxxxxxxxxxx> --- src/arch/generic/syscall.h | 83 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 src/arch/generic/syscall.h diff --git a/src/arch/generic/syscall.h b/src/arch/generic/syscall.h new file mode 100644 index 0000000..7136290 --- /dev/null +++ b/src/arch/generic/syscall.h @@ -0,0 +1,83 @@ +/* SPDX-License-Identifier: MIT */ + +#ifndef LIBURING_ARCH_GENERIC_SYSCALL_H +#define LIBURING_ARCH_GENERIC_SYSCALL_H + +static inline int ____sys_io_uring_register(int fd, unsigned opcode, + const void *arg, unsigned nr_args) +{ + int ret; + ret = syscall(__NR_io_uring_register, fd, opcode, arg, nr_args); + return (ret < 0) ? -errno : ret; +} + +static inline int ____sys_io_uring_setup(unsigned entries, + struct io_uring_params *p) +{ + int ret; + ret = syscall(__NR_io_uring_setup, entries, p); + return (ret < 0) ? -errno : ret; +} + +static inline int ____sys_io_uring_enter2(int fd, unsigned to_submit, + unsigned min_complete, unsigned flags, + sigset_t *sig, int sz) +{ + int ret; + ret = syscall(__NR_io_uring_enter, fd, to_submit, min_complete, flags, + sig, sz); + return (ret < 0) ? -errno : ret; +} + +static inline int ____sys_io_uring_enter(int fd, unsigned to_submit, + unsigned min_complete, unsigned flags, + sigset_t *sig) +{ + return ____sys_io_uring_enter2(fd, to_submit, min_complete, flags, sig, + _NSIG / 8); +} + +static inline void *uring_mmap(void *addr, size_t length, int prot, int flags, + int fd, off_t offset) +{ + void *ret; + ret = mmap(addr, length, prot, flags, fd, offset); + return (ret == MAP_FAILED) ? ERR_PTR(-errno) : ret; +} + +static inline int uring_munmap(void *addr, size_t length) +{ + int ret; + ret = munmap(addr, length); + return (ret < 0) ? -errno : ret; +} + +static inline int uring_madvise(void *addr, size_t length, int advice) +{ + int ret; + ret = madvise(addr, length, advice); + return (ret < 0) ? -errno : ret; +} + +static inline int uring_getrlimit(int resource, struct rlimit *rlim) +{ + int ret; + ret = getrlimit(resource, rlim); + return (ret < 0) ? -errno : ret; +} + +static inline int uring_setrlimit(int resource, const struct rlimit *rlim) +{ + int ret; + ret = setrlimit(resource, rlim); + return (ret < 0) ? -errno : ret; +} + +static inline int uring_close(int fd) +{ + int ret; + ret = close(fd); + return (ret < 0) ? -errno : ret; +} + +#endif /* #ifndef LIBURING_ARCH_GENERIC_SYSCALL_H */ -- 2.32.0