diff options
Diffstat (limited to 'arch/s390/kernel/compat_linux.h')
| -rw-r--r-- | arch/s390/kernel/compat_linux.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h new file mode 100644 index 000000000..64509e7db --- /dev/null +++ b/arch/s390/kernel/compat_linux.h @@ -0,0 +1,130 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390X_S390_H +#define _ASM_S390X_S390_H + +#include <linux/compat.h> +#include <linux/socket.h> +#include <linux/syscalls.h> + +/* Macro that masks the high order bit of an 32 bit pointer and converts it*/ +/* to a 64 bit pointer */ +#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL)) +#define AA(__x) \ + ((unsigned long)(__x)) + +/* Now 32bit compatibility types */ +struct ipc_kludge_32 { + __u32 msgp; /* pointer */ + __s32 msgtyp; +}; + +/* asm/sigcontext.h */ +typedef union +{ + __u64 d; + __u32 f; +} freg_t32; + +typedef struct +{ + unsigned int fpc; + unsigned int pad; + freg_t32 fprs[__NUM_FPRS]; +} _s390_fp_regs32; + +typedef struct +{ + __u32 mask; + __u32 addr; +} _psw_t32 __attribute__ ((aligned(8))); + +typedef struct +{ + _psw_t32 psw; + __u32 gprs[__NUM_GPRS]; + __u32 acrs[__NUM_ACRS]; +} _s390_regs_common32; + +typedef struct +{ + _s390_regs_common32 regs; + _s390_fp_regs32 fpregs; +} _sigregs32; + +typedef struct +{ + __u32 gprs_high[__NUM_GPRS]; + __u64 vxrs_low[__NUM_VXRS_LOW]; + __vector128 vxrs_high[__NUM_VXRS_HIGH]; + __u8 __reserved[128]; +} _sigregs_ext32; + +#define _SIGCONTEXT_NSIG32 64 +#define _SIGCONTEXT_NSIG_BPW32 32 +#define __SIGNAL_FRAMESIZE32 96 +#define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2) + +struct sigcontext32 +{ + __u32 oldmask[_COMPAT_NSIG_WORDS]; + __u32 sregs; /* pointer */ +}; + +/* asm/signal.h */ + +/* asm/ucontext.h */ +struct ucontext32 { + __u32 uc_flags; + __u32 uc_link; /* pointer */ + compat_stack_t uc_stack; + _sigregs32 uc_mcontext; + compat_sigset_t uc_sigmask; + /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */ + unsigned char __unused[128 - sizeof(compat_sigset_t)]; + _sigregs_ext32 uc_mcontext_ext; +}; + +struct stat64_emu31; +struct mmap_arg_struct_emu31; +struct fadvise64_64_args; + +long compat_sys_s390_chown16(const char __user *filename, u16 user, u16 group); +long compat_sys_s390_lchown16(const char __user *filename, u16 user, u16 group); +long compat_sys_s390_fchown16(unsigned int fd, u16 user, u16 group); +long compat_sys_s390_setregid16(u16 rgid, u16 egid); +long compat_sys_s390_setgid16(u16 gid); +long compat_sys_s390_setreuid16(u16 ruid, u16 euid); +long compat_sys_s390_setuid16(u16 uid); +long compat_sys_s390_setresuid16(u16 ruid, u16 euid, u16 suid); +long compat_sys_s390_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid); +long compat_sys_s390_setresgid16(u16 rgid, u16 egid, u16 sgid); +long compat_sys_s390_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid); +long compat_sys_s390_setfsuid16(u16 uid); +long compat_sys_s390_setfsgid16(u16 gid); +long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist); +long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist); +long compat_sys_s390_getuid16(void); +long compat_sys_s390_geteuid16(void); +long compat_sys_s390_getgid16(void); +long compat_sys_s390_getegid16(void); +long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low); +long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low); +long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low); +long compat_sys_s390_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, u32 high, u32 low); +long compat_sys_s390_readahead(int fd, u32 high, u32 low, s32 count); +long compat_sys_s390_stat64(const char __user *filename, struct stat64_emu31 __user *statbuf); +long compat_sys_s390_lstat64(const char __user *filename, struct stat64_emu31 __user *statbuf); +long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbuf); +long compat_sys_s390_fstatat64(unsigned int dfd, const char __user *filename, struct stat64_emu31 __user *statbuf, int flag); +long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg); +long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg); +long compat_sys_s390_read(unsigned int fd, char __user * buf, compat_size_t count); +long compat_sys_s390_write(unsigned int fd, const char __user * buf, compat_size_t count); +long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise); +long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args); +long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags); +long compat_sys_s390_fallocate(int fd, int mode, u32 offhigh, u32 offlow, u32 lenhigh, u32 lenlow); +long compat_sys_sigreturn(void); +long compat_sys_rt_sigreturn(void); + +#endif /* _ASM_S390X_S390_H */ |