[linux-2.6-block.git] / arch / parisc / include / asm / compat.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_PARISC_COMPAT_H
#define _ASM_PARISC_COMPAT_H
/*
 * Architecture specific compatibility types
 */
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/thread_info.h>

#include <asm-generic/compat.h>

#define COMPAT_USER_HZ 		100
#define COMPAT_UTS_MACHINE	"parisc\0\0"

typedef u32	__compat_uid_t;
typedef u32	__compat_gid_t;
typedef u32	__compat_uid32_t;
typedef u32	__compat_gid32_t;
typedef u16	compat_mode_t;
typedef u32	compat_dev_t;
typedef u16	compat_nlink_t;
typedef u16	compat_ipc_pid_t;
typedef u32	compat_caddr_t;

struct compat_stat {
	compat_dev_t		st_dev;	/* dev_t is 32 bits on parisc */
	compat_ino_t		st_ino;	/* 32 bits */
	compat_mode_t		st_mode;	/* 16 bits */
	compat_nlink_t  	st_nlink;	/* 16 bits */
	u16			st_reserved1;	/* old st_uid */
	u16			st_reserved2;	/* old st_gid */
	compat_dev_t		st_rdev;
	compat_off_t		st_size;
	old_time32_t		st_atime;
	u32			st_atime_nsec;
	old_time32_t		st_mtime;
	u32			st_mtime_nsec;
	old_time32_t		st_ctime;
	u32			st_ctime_nsec;
	s32			st_blksize;
	s32			st_blocks;
	u32			__unused1;	/* ACL stuff */
	compat_dev_t		__unused2;	/* network */
	compat_ino_t		__unused3;	/* network */
	u32			__unused4;	/* cnodes */
	u16			__unused5;	/* netsite */
	short			st_fstype;
	compat_dev_t		st_realdev;
	u16			st_basemode;
	u16			st_spareshort;
	__compat_uid32_t	st_uid;
	__compat_gid32_t	st_gid;
	u32			st_spare4[3];
};

struct compat_flock {
	short			l_type;
	short			l_whence;
	compat_off_t		l_start;
	compat_off_t		l_len;
	compat_pid_t		l_pid;
};

struct compat_flock64 {
	short			l_type;
	short			l_whence;
	compat_loff_t		l_start;
	compat_loff_t		l_len;
	compat_pid_t		l_pid;
};

struct compat_statfs {
	s32		f_type;
	s32		f_bsize;
	s32		f_blocks;
	s32		f_bfree;
	s32		f_bavail;
	s32		f_files;
	s32		f_ffree;
	__kernel_fsid_t	f_fsid;
	s32		f_namelen;
	s32		f_frsize;
	s32		f_flags;
	s32		f_spare[4];
};

struct compat_sigcontext {
	compat_int_t sc_flags;
	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
	u64 sc_fr[32];
	compat_int_t sc_iasq[2];
	compat_int_t sc_iaoq[2];
	compat_int_t sc_sar; /* cr11 */
};

#define COMPAT_RLIM_INFINITY 0xffffffff

typedef u32		compat_old_sigset_t;	/* at least 32 bits */

#define _COMPAT_NSIG		64
#define _COMPAT_NSIG_BPW	32

typedef u32		compat_sigset_word;

#define COMPAT_OFF_T_MAX	0x7fffffff

struct compat_ipc64_perm {
	compat_key_t key;
	__compat_uid_t uid;
	__compat_gid_t gid;
	__compat_uid_t cuid;
	__compat_gid_t cgid;
	unsigned short int __pad1;
	compat_mode_t mode;
	unsigned short int __pad2;
	unsigned short int seq;
	unsigned int __pad3;
	unsigned long __unused1;	/* yes they really are 64bit pads */
	unsigned long __unused2;
};

struct compat_semid64_ds {
	struct compat_ipc64_perm sem_perm;
	unsigned int sem_otime_high;
	unsigned int sem_otime;
	unsigned int sem_ctime_high;
	unsigned int sem_ctime;
	compat_ulong_t sem_nsems;
	compat_ulong_t __unused3;
	compat_ulong_t __unused4;
};

struct compat_msqid64_ds {
	struct compat_ipc64_perm msg_perm;
	unsigned int msg_stime_high;
	unsigned int msg_stime;
	unsigned int msg_rtime_high;
	unsigned int msg_rtime;
	unsigned int msg_ctime_high;
	unsigned int msg_ctime;
	compat_ulong_t msg_cbytes;
	compat_ulong_t msg_qnum;
	compat_ulong_t msg_qbytes;
	compat_pid_t msg_lspid;
	compat_pid_t msg_lrpid;
	compat_ulong_t __unused4;
	compat_ulong_t __unused5;
};

struct compat_shmid64_ds {
	struct compat_ipc64_perm shm_perm;
	unsigned int shm_atime_high;
	unsigned int shm_atime;
	unsigned int shm_dtime_high;
	unsigned int shm_dtime;
	unsigned int shm_ctime_high;
	unsigned int shm_ctime;
	unsigned int __unused4;
	compat_size_t shm_segsz;
	compat_pid_t shm_cpid;
	compat_pid_t shm_lpid;
	compat_ulong_t shm_nattch;
	compat_ulong_t __unused5;
	compat_ulong_t __unused6;
};

/*
 * The type of struct elf_prstatus.pr_reg in compatible core dumps.
 */
#define COMPAT_ELF_NGREG 80
typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG];

static __inline__ void __user *arch_compat_alloc_user_space(long len)
{
	struct pt_regs *regs = &current->thread.regs;
	return (void __user *)regs->gr[30];
}

static inline int __is_compat_task(struct task_struct *t)
{
	return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
}

static inline int is_compat_task(void)
{
	return __is_compat_task(current);
}

#endif /* _ASM_PARISC_COMPAT_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef _ASM_PARISC_COMPAT_H
	3	#define _ASM_PARISC_COMPAT_H
	4	/*
	5	* Architecture specific compatibility types
	6	*/
	7	#include <linux/types.h>
	8	#include <linux/sched.h>
df570b9c	9	#include <linux/thread_info.h>
1da177e4	10
fb373975 AB	11	#include <asm-generic/compat.h>
fb373975 AB	12
e28cbf22 CH	13	#define COMPAT_USER_HZ 100
e28cbf22 CH	14	#define COMPAT_UTS_MACHINE "parisc\0\0"
1da177e4	15
202e5979 SR	16	typedef u32 __compat_uid_t;
	17	typedef u32 __compat_gid_t;
	18	typedef u32 __compat_uid32_t;
	19	typedef u32 __compat_gid32_t;
1da177e4	20	typedef u16 compat_mode_t;
1da177e4	21	typedef u32 compat_dev_t;
1da177e4 LT	22	typedef u16 compat_nlink_t;
1da177e4 LT	23	typedef u16 compat_ipc_pid_t;
1da177e4	24	typedef u32 compat_caddr_t;
1da177e4	25
1da177e4 LT	26	struct compat_stat {
	27	compat_dev_t st_dev; /* dev_t is 32 bits on parisc */
	28	compat_ino_t st_ino; /* 32 bits */
	29	compat_mode_t st_mode; /* 16 bits */
	30	compat_nlink_t st_nlink; /* 16 bits */
	31	u16 st_reserved1; /* old st_uid */
	32	u16 st_reserved2; /* old st_gid */
	33	compat_dev_t st_rdev;
	34	compat_off_t st_size;
9afc5eee	35	old_time32_t st_atime;
1da177e4	36	u32 st_atime_nsec;
9afc5eee	37	old_time32_t st_mtime;
1da177e4	38	u32 st_mtime_nsec;
9afc5eee	39	old_time32_t st_ctime;
1da177e4 LT	40	u32 st_ctime_nsec;
	41	s32 st_blksize;
	42	s32 st_blocks;
	43	u32 __unused1; /* ACL stuff */
	44	compat_dev_t __unused2; /* network */
	45	compat_ino_t __unused3; /* network */
	46	u32 __unused4; /* cnodes */
	47	u16 __unused5; /* netsite */
	48	short st_fstype;
	49	compat_dev_t st_realdev;
	50	u16 st_basemode;
	51	u16 st_spareshort;
202e5979 SR	52	__compat_uid32_t st_uid;
202e5979 SR	53	__compat_gid32_t st_gid;
1da177e4 LT	54	u32 st_spare4[3];
	55	};
	56
	57	struct compat_flock {
	58	short l_type;
	59	short l_whence;
	60	compat_off_t l_start;
	61	compat_off_t l_len;
	62	compat_pid_t l_pid;
	63	};
	64
	65	struct compat_flock64 {
	66	short l_type;
	67	short l_whence;
	68	compat_loff_t l_start;
	69	compat_loff_t l_len;
	70	compat_pid_t l_pid;
	71	};
	72
	73	struct compat_statfs {
	74	s32 f_type;
	75	s32 f_bsize;
	76	s32 f_blocks;
	77	s32 f_bfree;
	78	s32 f_bavail;
	79	s32 f_files;
	80	s32 f_ffree;
	81	__kernel_fsid_t f_fsid;
	82	s32 f_namelen;
	83	s32 f_frsize;
1448c721 EB	84	s32 f_flags;
1448c721 EB	85	s32 f_spare[4];
1da177e4 LT	86	};
	87
	88	struct compat_sigcontext {
	89	compat_int_t sc_flags;
	90	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
	91	u64 sc_fr[32];
	92	compat_int_t sc_iasq[2];
	93	compat_int_t sc_iaoq[2];
	94	compat_int_t sc_sar; /* cr11 */
	95	};
	96
	97	#define COMPAT_RLIM_INFINITY 0xffffffff
	98
	99	typedef u32 compat_old_sigset_t; /* at least 32 bits */
	100
	101	#define _COMPAT_NSIG 64
	102	#define _COMPAT_NSIG_BPW 32
	103
	104	typedef u32 compat_sigset_word;
	105
	106	#define COMPAT_OFF_T_MAX 0x7fffffff
1da177e4	107
bf581e15 HD	108	struct compat_ipc64_perm {
	109	compat_key_t key;
	110	__compat_uid_t uid;
	111	__compat_gid_t gid;
	112	__compat_uid_t cuid;
	113	__compat_gid_t cgid;
	114	unsigned short int __pad1;
	115	compat_mode_t mode;
	116	unsigned short int __pad2;
	117	unsigned short int seq;
	118	unsigned int __pad3;
	119	unsigned long __unused1; /* yes they really are 64bit pads */
	120	unsigned long __unused2;
	121	};
	122
	123	struct compat_semid64_ds {
	124	struct compat_ipc64_perm sem_perm;
f69c97f6 AB	125	unsigned int sem_otime_high;
	126	unsigned int sem_otime;
	127	unsigned int sem_ctime_high;
	128	unsigned int sem_ctime;
bf581e15 HD	129	compat_ulong_t sem_nsems;
	130	compat_ulong_t __unused3;
	131	compat_ulong_t __unused4;
	132	};
	133
	134	struct compat_msqid64_ds {
	135	struct compat_ipc64_perm msg_perm;
f69c97f6 AB	136	unsigned int msg_stime_high;
	137	unsigned int msg_stime;
	138	unsigned int msg_rtime_high;
	139	unsigned int msg_rtime;
	140	unsigned int msg_ctime_high;
	141	unsigned int msg_ctime;
bf581e15 HD	142	compat_ulong_t msg_cbytes;
	143	compat_ulong_t msg_qnum;
	144	compat_ulong_t msg_qbytes;
	145	compat_pid_t msg_lspid;
	146	compat_pid_t msg_lrpid;
	147	compat_ulong_t __unused4;
	148	compat_ulong_t __unused5;
	149	};
	150
	151	struct compat_shmid64_ds {
	152	struct compat_ipc64_perm shm_perm;
f69c97f6 AB	153	unsigned int shm_atime_high;
	154	unsigned int shm_atime;
	155	unsigned int shm_dtime_high;
	156	unsigned int shm_dtime;
	157	unsigned int shm_ctime_high;
	158	unsigned int shm_ctime;
bf581e15 HD	159	unsigned int __unused4;
	160	compat_size_t shm_segsz;
	161	compat_pid_t shm_cpid;
	162	compat_pid_t shm_lpid;
	163	compat_ulong_t shm_nattch;
	164	compat_ulong_t __unused5;
	165	compat_ulong_t __unused6;
	166	};
	167
71d577db HD	168	/*
	169	* The type of struct elf_prstatus.pr_reg in compatible core dumps.
	170	*/
	171	#define COMPAT_ELF_NGREG 80
	172	typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
	173
c41d68a5	174	static __inline__ void __user *arch_compat_alloc_user_space(long len)
1da177e4 LT	175	{
	176	struct pt_regs *regs = &current->thread.regs;
	177	return (void __user *)regs->gr[30];
	178	}
	179
a3ea84fa KM	180	static inline int __is_compat_task(struct task_struct *t)
a3ea84fa KM	181	{
c9f4f06d	182	return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
a3ea84fa KM	183	}
	184
	185	static inline int is_compat_task(void)
	186	{
	187	return __is_compat_task(current);
	188	}
	189
1da177e4	190	#endif /* _ASM_PARISC_COMPAT_H */