1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_S390X_S390_H 3 #define _ASM_S390X_S390_H 4 5 #include <linux/compat.h> 6 #include <linux/socket.h> 7 #include <linux/syscalls.h> 8 9 /* Macro that masks the high order bit of an 32 bit pointer and converts it*/ 10 /* to a 64 bit pointer */ 11 #define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL)) 12 #define AA(__x) \ 13 ((unsigned long)(__x)) 14 15 /* Now 32bit compatibility types */ 16 struct ipc_kludge_32 { 17 __u32 msgp; /* pointer */ 18 __s32 msgtyp; 19 }; 20 21 /* asm/sigcontext.h */ 22 typedef union 23 { 24 __u64 d; 25 __u32 f; 26 } freg_t32; 27 28 typedef struct 29 { 30 unsigned int fpc; 31 unsigned int pad; 32 freg_t32 fprs[__NUM_FPRS]; 33 } _s390_fp_regs32; 34 35 typedef struct 36 { 37 __u32 mask; 38 __u32 addr; 39 } _psw_t32 __attribute__ ((aligned(8))); 40 41 typedef struct 42 { 43 _psw_t32 psw; 44 __u32 gprs[__NUM_GPRS]; 45 __u32 acrs[__NUM_ACRS]; 46 } _s390_regs_common32; 47 48 typedef struct 49 { 50 _s390_regs_common32 regs; 51 _s390_fp_regs32 fpregs; 52 } _sigregs32; 53 54 typedef struct 55 { 56 __u32 gprs_high[__NUM_GPRS]; 57 __u64 vxrs_low[__NUM_VXRS_LOW]; 58 __vector128 vxrs_high[__NUM_VXRS_HIGH]; 59 __u8 __reserved[128]; 60 } _sigregs_ext32; 61 62 #define _SIGCONTEXT_NSIG32 64 63 #define _SIGCONTEXT_NSIG_BPW32 32 64 #define __SIGNAL_FRAMESIZE32 96 65 #define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2) 66 67 struct sigcontext32 68 { 69 __u32 oldmask[_COMPAT_NSIG_WORDS]; 70 __u32 sregs; /* pointer */ 71 }; 72 73 /* asm/signal.h */ 74 75 /* asm/ucontext.h */ 76 struct ucontext32 { 77 __u32 uc_flags; 78 __u32 uc_link; /* pointer */ 79 compat_stack_t uc_stack; 80 _sigregs32 uc_mcontext; 81 compat_sigset_t uc_sigmask; 82 /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */ 83 unsigned char __unused[128 - sizeof(compat_sigset_t)]; 84 _sigregs_ext32 uc_mcontext_ext; 85 }; 86 87 struct stat64_emu31; 88 struct mmap_arg_struct_emu31; 89 struct fadvise64_64_args; 90 91 long compat_sys_s390_chown16(const char __user *filename, u16 user, u16 group); 92 long compat_sys_s390_lchown16(const char __user *filename, u16 user, u16 group); 93 long compat_sys_s390_fchown16(unsigned int fd, u16 user, u16 group); 94 long compat_sys_s390_setregid16(u16 rgid, u16 egid); 95 long compat_sys_s390_setgid16(u16 gid); 96 long compat_sys_s390_setreuid16(u16 ruid, u16 euid); 97 long compat_sys_s390_setuid16(u16 uid); 98 long compat_sys_s390_setresuid16(u16 ruid, u16 euid, u16 suid); 99 long compat_sys_s390_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid); 100 long compat_sys_s390_setresgid16(u16 rgid, u16 egid, u16 sgid); 101 long compat_sys_s390_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid); 102 long compat_sys_s390_setfsuid16(u16 uid); 103 long compat_sys_s390_setfsgid16(u16 gid); 104 long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist); 105 long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist); 106 long compat_sys_s390_getuid16(void); 107 long compat_sys_s390_geteuid16(void); 108 long compat_sys_s390_getgid16(void); 109 long compat_sys_s390_getegid16(void); 110 long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low); 111 long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low); 112 long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low); 113 long compat_sys_s390_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, u32 high, u32 low); 114 long compat_sys_s390_readahead(int fd, u32 high, u32 low, s32 count); 115 long compat_sys_s390_stat64(const char __user *filename, struct stat64_emu31 __user *statbuf); 116 long compat_sys_s390_lstat64(const char __user *filename, struct stat64_emu31 __user *statbuf); 117 long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbuf); 118 long compat_sys_s390_fstatat64(unsigned int dfd, const char __user *filename, struct stat64_emu31 __user *statbuf, int flag); 119 long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg); 120 long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg); 121 long compat_sys_s390_read(unsigned int fd, char __user * buf, compat_size_t count); 122 long compat_sys_s390_write(unsigned int fd, const char __user * buf, compat_size_t count); 123 long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise); 124 long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args); 125 long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags); 126 long compat_sys_s390_fallocate(int fd, int mode, u32 offhigh, u32 offlow, u32 lenhigh, u32 lenlow); 127 long compat_sys_sigreturn(void); 128 long compat_sys_rt_sigreturn(void); 129 130 #endif /* _ASM_S390X_S390_H */ 131