diff options
Diffstat (limited to 'arch/sparc64/solaris/fs.c')
-rw-r--r-- | arch/sparc64/solaris/fs.c | 745 |
1 files changed, 0 insertions, 745 deletions
diff --git a/arch/sparc64/solaris/fs.c b/arch/sparc64/solaris/fs.c deleted file mode 100644 index 7d035f0d3ae1..000000000000 --- a/arch/sparc64/solaris/fs.c +++ /dev/null @@ -1,745 +0,0 @@ -/* $Id: fs.c,v 1.27 2002/02/08 03:57:14 davem Exp $ - * fs.c: fs related syscall emulation for Solaris - * - * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * - * 1999-08-19 Implemented solaris F_FREESP (truncate) - * fcntl, by Jason Rappleye (rappleye@ccr.buffalo.edu) - */ - -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/capability.h> -#include <linux/fs.h> -#include <linux/namei.h> -#include <linux/mm.h> -#include <linux/file.h> -#include <linux/stat.h> -#include <linux/smp_lock.h> -#include <linux/limits.h> -#include <linux/resource.h> -#include <linux/quotaops.h> -#include <linux/mount.h> -#include <linux/vfs.h> - -#include <asm/uaccess.h> -#include <asm/string.h> -#include <asm/ptrace.h> - -#include "conv.h" - -#define R3_VERSION 1 -#define R4_VERSION 2 - -typedef struct { - s32 tv_sec; - s32 tv_nsec; -} timestruct_t; - -struct sol_stat { - u32 st_dev; - s32 st_pad1[3]; /* network id */ - u32 st_ino; - u32 st_mode; - u32 st_nlink; - u32 st_uid; - u32 st_gid; - u32 st_rdev; - s32 st_pad2[2]; - s32 st_size; - s32 st_pad3; /* st_size, off_t expansion */ - timestruct_t st_atime; - timestruct_t st_mtime; - timestruct_t st_ctime; - s32 st_blksize; - s32 st_blocks; - char st_fstype[16]; - s32 st_pad4[8]; /* expansion area */ -}; - -struct sol_stat64 { - u32 st_dev; - s32 st_pad1[3]; /* network id */ - u64 st_ino; - u32 st_mode; - u32 st_nlink; - u32 st_uid; - u32 st_gid; - u32 st_rdev; - s32 st_pad2[2]; - s64 st_size; - timestruct_t st_atime; - timestruct_t st_mtime; - timestruct_t st_ctime; - s64 st_blksize; - s32 st_blocks; - char st_fstype[16]; - s32 st_pad4[4]; /* expansion area */ -}; - -#define UFSMAGIC (((unsigned)'u'<<24)||((unsigned)'f'<<16)||((unsigned)'s'<<8)) - -static inline int putstat(struct sol_stat __user *ubuf, struct kstat *kbuf) -{ - u32 ino; - - if (kbuf->size > MAX_NON_LFS || - !sysv_valid_dev(kbuf->dev) || - !sysv_valid_dev(kbuf->rdev)) - return -EOVERFLOW; - ino = kbuf->ino; - if (sizeof(ino) < sizeof(kbuf->ino) && ino != kbuf->ino) - return -EOVERFLOW; - if (put_user (sysv_encode_dev(kbuf->dev), &ubuf->st_dev) || - __put_user (ino, &ubuf->st_ino) || - __put_user (kbuf->mode, &ubuf->st_mode) || - __put_user (kbuf->nlink, &ubuf->st_nlink) || - __put_user (kbuf->uid, &ubuf->st_uid) || - __put_user (kbuf->gid, &ubuf->st_gid) || - __put_user (sysv_encode_dev(kbuf->rdev), &ubuf->st_rdev) || - __put_user (kbuf->size, &ubuf->st_size) || - __put_user (kbuf->atime.tv_sec, &ubuf->st_atime.tv_sec) || - __put_user (kbuf->atime.tv_nsec, &ubuf->st_atime.tv_nsec) || - __put_user (kbuf->mtime.tv_sec, &ubuf->st_mtime.tv_sec) || - __put_user (kbuf->mtime.tv_nsec, &ubuf->st_mtime.tv_nsec) || - __put_user (kbuf->ctime.tv_sec, &ubuf->st_ctime.tv_sec) || - __put_user (kbuf->ctime.tv_nsec, &ubuf->st_ctime.tv_nsec) || - __put_user (kbuf->blksize, &ubuf->st_blksize) || - __put_user (kbuf->blocks, &ubuf->st_blocks) || - __put_user (UFSMAGIC, (unsigned __user *)ubuf->st_fstype)) - return -EFAULT; - return 0; -} - -static inline int putstat64(struct sol_stat64 __user *ubuf, struct kstat *kbuf) -{ - if (!sysv_valid_dev(kbuf->dev) || !sysv_valid_dev(kbuf->rdev)) - return -EOVERFLOW; - if (put_user (sysv_encode_dev(kbuf->dev), &ubuf->st_dev) || - __put_user (kbuf->ino, &ubuf->st_ino) || - __put_user (kbuf->mode, &ubuf->st_mode) || - __put_user (kbuf->nlink, &ubuf->st_nlink) || - __put_user (kbuf->uid, &ubuf->st_uid) || - __put_user (kbuf->gid, &ubuf->st_gid) || - __put_user (sysv_encode_dev(kbuf->rdev), &ubuf->st_rdev) || - __put_user (kbuf->size, &ubuf->st_size) || - __put_user (kbuf->atime.tv_sec, &ubuf->st_atime.tv_sec) || - __put_user (kbuf->atime.tv_nsec, &ubuf->st_atime.tv_nsec) || - __put_user (kbuf->mtime.tv_sec, &ubuf->st_mtime.tv_sec) || - __put_user (kbuf->mtime.tv_nsec, &ubuf->st_mtime.tv_nsec) || - __put_user (kbuf->ctime.tv_sec, &ubuf->st_ctime.tv_sec) || - __put_user (kbuf->ctime.tv_nsec, &ubuf->st_ctime.tv_nsec) || - __put_user (kbuf->blksize, &ubuf->st_blksize) || - __put_user (kbuf->blocks, &ubuf->st_blocks) || - __put_user (UFSMAGIC, (unsigned __user *)ubuf->st_fstype)) - return -EFAULT; - return 0; -} - -asmlinkage int solaris_stat(u32 filename, u32 statbuf) -{ - struct kstat s; - int ret = vfs_stat(A(filename), &s); - if (!ret) - return putstat(A(statbuf), &s); - return ret; -} - -asmlinkage int solaris_xstat(int vers, u32 filename, u32 statbuf) -{ - /* Solaris doesn't bother with looking at vers, so we do neither */ - return solaris_stat(filename, statbuf); -} - -asmlinkage int solaris_stat64(u32 filename, u32 statbuf) -{ - struct kstat s; - int ret = vfs_stat(A(filename), &s); - if (!ret) - return putstat64(A(statbuf), &s); - return ret; -} - -asmlinkage int solaris_lstat(u32 filename, u32 statbuf) -{ - struct kstat s; - int ret = vfs_lstat(A(filename), &s); - if (!ret) - return putstat(A(statbuf), &s); - return ret; -} - -asmlinkage int solaris_lxstat(int vers, u32 filename, u32 statbuf) -{ - return solaris_lstat(filename, statbuf); -} - -asmlinkage int solaris_lstat64(u32 filename, u32 statbuf) -{ - struct kstat s; - int ret = vfs_lstat(A(filename), &s); - if (!ret) - return putstat64(A(statbuf), &s); - return ret; -} - -asmlinkage int solaris_fstat(unsigned int fd, u32 statbuf) -{ - struct kstat s; - int ret = vfs_fstat(fd, &s); - if (!ret) - return putstat(A(statbuf), &s); - return ret; -} - -asmlinkage int solaris_fxstat(int vers, u32 fd, u32 statbuf) -{ - return solaris_fstat(fd, statbuf); -} - -asmlinkage int solaris_fstat64(unsigned int fd, u32 statbuf) -{ - struct kstat s; - int ret = vfs_fstat(fd, &s); - if (!ret) - return putstat64(A(statbuf), &s); - return ret; -} - -asmlinkage int solaris_mknod(u32 path, u32 mode, s32 dev) -{ - int (*sys_mknod)(const char __user *,int,unsigned) = - (int (*)(const char __user *,int,unsigned))SYS(mknod); - int major = sysv_major(dev); - int minor = sysv_minor(dev); - - /* minor is guaranteed to be OK for MKDEV, major might be not */ - if (major > 0xfff) - return -EINVAL; - return sys_mknod(A(path), mode, new_encode_dev(MKDEV(major,minor))); -} - -asmlinkage int solaris_xmknod(int vers, u32 path, u32 mode, s32 dev) -{ - return solaris_mknod(path, mode, dev); -} - -asmlinkage int solaris_getdents64(unsigned int fd, void __user *dirent, unsigned int count) -{ - int (*sys_getdents)(unsigned int, void __user *, unsigned int) = - (int (*)(unsigned int, void __user *, unsigned int))SYS(getdents); - - return sys_getdents(fd, dirent, count); -} - -/* This statfs thingie probably will go in the near future, but... */ - -struct sol_statfs { - short f_type; - s32 f_bsize; - s32 f_frsize; - s32 f_blocks; - s32 f_bfree; - u32 f_files; - u32 f_ffree; - char f_fname[6]; - char f_fpack[6]; -}; - -asmlinkage int solaris_statfs(u32 path, u32 buf, int len, int fstype) -{ - int ret; - struct statfs s; - mm_segment_t old_fs = get_fs(); - int (*sys_statfs)(const char __user *,struct statfs __user *) = - (int (*)(const char __user *,struct statfs __user *))SYS(statfs); - struct sol_statfs __user *ss = A(buf); - - if (len != sizeof(struct sol_statfs)) return -EINVAL; - if (!fstype) { - /* FIXME: mixing userland and kernel pointers */ - set_fs (KERNEL_DS); - ret = sys_statfs(A(path), &s); - set_fs (old_fs); - if (!ret) { - if (put_user (s.f_type, &ss->f_type) || - __put_user (s.f_bsize, &ss->f_bsize) || - __put_user (0, &ss->f_frsize) || - __put_user (s.f_blocks, &ss->f_blocks) || - __put_user (s.f_bfree, &ss->f_bfree) || - __put_user (s.f_files, &ss->f_files) || - __put_user (s.f_ffree, &ss->f_ffree) || - __clear_user (&ss->f_fname, 12)) - return -EFAULT; - } - return ret; - } -/* Linux can't stat unmounted filesystems so we - * simply lie and claim 100MB of 1GB is free. Sorry. - */ - if (put_user (fstype, &ss->f_type) || - __put_user (1024, &ss->f_bsize) || - __put_user (0, &ss->f_frsize) || - __put_user (1024*1024, &ss->f_blocks) || - __put_user (100*1024, &ss->f_bfree) || - __put_user (60000, &ss->f_files) || - __put_user (50000, &ss->f_ffree) || - __clear_user (&ss->f_fname, 12)) - return -EFAULT; - return 0; -} - -asmlinkage int solaris_fstatfs(u32 fd, u32 buf, int len, int fstype) -{ - int ret; - struct statfs s; - mm_segment_t old_fs = get_fs(); - int (*sys_fstatfs)(unsigned,struct statfs __user *) = - (int (*)(unsigned,struct statfs __user *))SYS(fstatfs); - struct sol_statfs __user *ss = A(buf); - - if (len != sizeof(struct sol_statfs)) return -EINVAL; - if (!fstype) { - set_fs (KERNEL_DS); - ret = sys_fstatfs(fd, &s); - set_fs (old_fs); - if (!ret) { - if (put_user (s.f_type, &ss->f_type) || - __put_user (s.f_bsize, &ss->f_bsize) || - __put_user (0, &ss->f_frsize) || - __put_user (s.f_blocks, &ss->f_blocks) || - __put_user (s.f_bfree, &ss->f_bfree) || - __put_user (s.f_files, &ss->f_files) || - __put_user (s.f_ffree, &ss->f_ffree) || - __clear_user (&ss->f_fname, 12)) - return -EFAULT; - } - return ret; - } - /* Otherwise fstatfs is the same as statfs */ - return solaris_statfs(0, buf, len, fstype); -} - -struct sol_statvfs { - u32 f_bsize; - u32 f_frsize; - u32 f_blocks; - u32 f_bfree; - u32 f_bavail; - u32 f_files; - u32 f_ffree; - u32 f_favail; - u32 f_fsid; - char f_basetype[16]; - u32 f_flag; - u32 f_namemax; - char f_fstr[32]; - u32 f_filler[16]; -}; - -struct sol_statvfs64 { - u32 f_bsize; - u32 f_frsize; - u64 f_blocks; - u64 f_bfree; - u64 f_bavail; - u64 f_files; - u64 f_ffree; - u64 f_favail; - u32 f_fsid; - char f_basetype[16]; - u32 f_flag; - u32 f_namemax; - char f_fstr[32]; - u32 f_filler[16]; -}; - -static int report_statvfs(struct vfsmount *mnt, struct inode *inode, u32 buf) -{ - struct kstatfs s; - int error; - struct sol_statvfs __user *ss = A(buf); - - error = vfs_statfs(mnt->mnt_root, &s); - if (!error) { - const char *p = mnt->mnt_sb->s_type->name; - int i = 0; - int j = strlen (p); - - if (j > 15) j = 15; - if (IS_RDONLY(inode)) i = 1; - if (mnt->mnt_flags & MNT_NOSUID) i |= 2; - if (!sysv_valid_dev(inode->i_sb->s_dev)) - return -EOVERFLOW; - if (put_user (s.f_bsize, &ss->f_bsize) || - __put_user (0, &ss->f_frsize) || - __put_user (s.f_blocks, &ss->f_blocks) || - __put_user (s.f_bfree, &ss->f_bfree) || - __put_user (s.f_bavail, &ss->f_bavail) || - __put_user (s.f_files, &ss->f_files) || - __put_user (s.f_ffree, &ss->f_ffree) || - __put_user (s.f_ffree, &ss->f_favail) || - __put_user (sysv_encode_dev(inode->i_sb->s_dev), &ss->f_fsid) || - __copy_to_user (ss->f_basetype,p,j) || - __put_user (0, (char __user *)&ss->f_basetype[j]) || - __put_user (s.f_namelen, &ss->f_namemax) || - __put_user (i, &ss->f_flag) || - __clear_user (&ss->f_fstr, 32)) - return -EFAULT; - } - return error; -} - -static int report_statvfs64(struct vfsmount *mnt, struct inode *inode, u32 buf) -{ - struct kstatfs s; - int error; - struct sol_statvfs64 __user *ss = A(buf); - - error = vfs_statfs(mnt->mnt_root, &s); - if (!error) { - const char *p = mnt->mnt_sb->s_type->name; - int i = 0; - int j = strlen (p); - - if (j > 15) j = 15; - if (IS_RDONLY(inode)) i = 1; - if (mnt->mnt_flags & MNT_NOSUID) i |= 2; - if (!sysv_valid_dev(inode->i_sb->s_dev)) - return -EOVERFLOW; - if (put_user (s.f_bsize, &ss->f_bsize) || - __put_user (0, &ss->f_frsize) || - __put_user (s.f_blocks, &ss->f_blocks) || - __put_user (s.f_bfree, &ss->f_bfree) || - __put_user (s.f_bavail, &ss->f_bavail) || - __put_user (s.f_files, &ss->f_files) || - __put_user (s.f_ffree, &ss->f_ffree) || - __put_user (s.f_ffree, &ss->f_favail) || - __put_user (sysv_encode_dev(inode->i_sb->s_dev), &ss->f_fsid) || - __copy_to_user (ss->f_basetype,p,j) || - __put_user (0, (char __user *)&ss->f_basetype[j]) || - __put_user (s.f_namelen, &ss->f_namemax) || - __put_user (i, &ss->f_flag) || - __clear_user (&ss->f_fstr, 32)) - return -EFAULT; - } - return error; -} - -asmlinkage int solaris_statvfs(u32 path, u32 buf) -{ - struct nameidata nd; - int error; - - error = user_path_walk(A(path),&nd); - if (!error) { - struct inode *inode = nd.path.dentry->d_inode; - error = report_statvfs(nd.path.mnt, inode, buf); - path_put(&nd.path); - } - return error; -} - -asmlinkage int solaris_fstatvfs(unsigned int fd, u32 buf) -{ - struct file * file; - int error; - - error = -EBADF; - file = fget(fd); - if (file) { - error = report_statvfs(file->f_path.mnt, file->f_path.dentry->d_inode, buf); - fput(file); - } - - return error; -} - -asmlinkage int solaris_statvfs64(u32 path, u32 buf) -{ - struct nameidata nd; - int error; - - lock_kernel(); - error = user_path_walk(A(path), &nd); - if (!error) { - struct inode *inode = nd.path.dentry->d_inode; - error = report_statvfs64(nd.path.mnt, inode, buf); - path_put(&nd.path); - } - unlock_kernel(); - return error; -} - -asmlinkage int solaris_fstatvfs64(unsigned int fd, u32 buf) -{ - struct file * file; - int error; - - error = -EBADF; - file = fget(fd); - if (file) { - lock_kernel(); - error = report_statvfs64(file->f_path.mnt, file->f_path.dentry->d_inode, buf); - unlock_kernel(); - fput(file); - } - return error; -} - -extern asmlinkage long sparc32_open(const char * filename, int flags, int mode); - -asmlinkage int solaris_open(u32 fname, int flags, u32 mode) -{ - const char *filename = (const char *)(long)fname; - int fl = flags & 0xf; - - /* Translate flags first. */ - if (flags & 0x2000) fl |= O_LARGEFILE; - if (flags & 0x8050) fl |= O_SYNC; - if (flags & 0x80) fl |= O_NONBLOCK; - if (flags & 0x100) fl |= O_CREAT; - if (flags & 0x200) fl |= O_TRUNC; - if (flags & 0x400) fl |= O_EXCL; - if (flags & 0x800) fl |= O_NOCTTY; - flags = fl; - - return sparc32_open(filename, flags, mode); -} - -#define SOL_F_SETLK 6 -#define SOL_F_SETLKW 7 -#define SOL_F_FREESP 11 -#define SOL_F_ISSTREAM 13 -#define SOL_F_GETLK 14 -#define SOL_F_PRIV 15 -#define SOL_F_NPRIV 16 -#define SOL_F_QUOTACTL 17 -#define SOL_F_BLOCKS 18 -#define SOL_F_BLKSIZE 19 -#define SOL_F_GETOWN 23 -#define SOL_F_SETOWN 24 - -struct sol_flock { - short l_type; - short l_whence; - u32 l_start; - u32 l_len; - s32 l_sysid; - s32 l_pid; - s32 l_pad[4]; -}; - -asmlinkage int solaris_fcntl(unsigned fd, unsigned cmd, u32 arg) -{ - int (*sys_fcntl)(unsigned,unsigned,unsigned long) = - (int (*)(unsigned,unsigned,unsigned long))SYS(fcntl); - int ret, flags; - - switch (cmd) { - case F_DUPFD: - case F_GETFD: - case F_SETFD: return sys_fcntl(fd, cmd, (unsigned long)arg); - case F_GETFL: - flags = sys_fcntl(fd, cmd, 0); - ret = flags & 0xf; - if (flags & O_SYNC) ret |= 0x8050; - if (flags & O_NONBLOCK) ret |= 0x80; - return ret; - case F_SETFL: - flags = arg & 0xf; - if (arg & 0x8050) flags |= O_SYNC; - if (arg & 0x80) flags |= O_NONBLOCK; - return sys_fcntl(fd, cmd, (long)flags); - case SOL_F_GETLK: - case SOL_F_SETLK: - case SOL_F_SETLKW: - { - struct flock f; - struct sol_flock __user *p = A(arg); - mm_segment_t old_fs = get_fs(); - - switch (cmd) { - case SOL_F_GETLK: cmd = F_GETLK; break; - case SOL_F_SETLK: cmd = F_SETLK; break; - case SOL_F_SETLKW: cmd = F_SETLKW; break; - } - - if (get_user (f.l_type, &p->l_type) || - __get_user (f.l_whence, &p->l_whence) || - __get_user (f.l_start, &p->l_start) || - __get_user (f.l_len, &p->l_len) || - __get_user (f.l_pid, &p->l_sysid)) - return -EFAULT; - - set_fs(KERNEL_DS); - ret = sys_fcntl(fd, cmd, (unsigned long)&f); - set_fs(old_fs); - - if (__put_user (f.l_type, &p->l_type) || - __put_user (f.l_whence, &p->l_whence) || - __put_user (f.l_start, &p->l_start) || - __put_user (f.l_len, &p->l_len) || - __put_user (f.l_pid, &p->l_pid) || - __put_user (0, &p->l_sysid)) - return -EFAULT; - - return ret; - } - case SOL_F_FREESP: - { - int length; - int (*sys_newftruncate)(unsigned int, unsigned long)= - (int (*)(unsigned int, unsigned long))SYS(ftruncate); - - if (get_user(length, &((struct sol_flock __user *)A(arg))->l_start)) - return -EFAULT; - - return sys_newftruncate(fd, length); - } - }; - return -EINVAL; -} - -asmlinkage int solaris_ulimit(int cmd, int val) -{ - switch (cmd) { - case 1: /* UL_GETFSIZE - in 512B chunks */ - return current->signal->rlim[RLIMIT_FSIZE].rlim_cur >> 9; - case 2: /* UL_SETFSIZE */ - if ((unsigned long)val > (LONG_MAX>>9)) return -ERANGE; - val <<= 9; - task_lock(current->group_leader); - if (val > current->signal->rlim[RLIMIT_FSIZE].rlim_max) { - if (!capable(CAP_SYS_RESOURCE)) { - task_unlock(current->group_leader); - return -EPERM; - } - current->signal->rlim[RLIMIT_FSIZE].rlim_max = val; - } - current->signal->rlim[RLIMIT_FSIZE].rlim_cur = val; - task_unlock(current->group_leader); - return 0; - case 3: /* UL_GMEMLIM */ - return current->signal->rlim[RLIMIT_DATA].rlim_cur; - case 4: /* UL_GDESLIM */ - return sysctl_nr_open; - } - return -EINVAL; -} - -/* At least at the time I'm writing this, Linux doesn't have ACLs, so we - just fake this */ -asmlinkage int solaris_acl(u32 filename, int cmd, int nentries, u32 aclbufp) -{ - return -ENOSYS; -} - -asmlinkage int solaris_facl(unsigned int fd, int cmd, int nentries, u32 aclbufp) -{ - return -ENOSYS; -} - -asmlinkage int solaris_pread(unsigned int fd, char __user *buf, u32 count, u32 pos) -{ - ssize_t (*sys_pread64)(unsigned int, char __user *, size_t, loff_t) = - (ssize_t (*)(unsigned int, char __user *, size_t, loff_t))SYS(pread64); - - return sys_pread64(fd, buf, count, (loff_t)pos); -} - -asmlinkage int solaris_pwrite(unsigned int fd, char __user *buf, u32 count, u32 pos) -{ - ssize_t (*sys_pwrite64)(unsigned int, char __user *, size_t, loff_t) = - (ssize_t (*)(unsigned int, char __user *, size_t, loff_t))SYS(pwrite64); - - return sys_pwrite64(fd, buf, count, (loff_t)pos); -} - -/* POSIX.1 names */ -#define _PC_LINK_MAX 1 -#define _PC_MAX_CANON 2 -#define _PC_MAX_INPUT 3 -#define _PC_NAME_MAX 4 -#define _PC_PATH_MAX 5 -#define _PC_PIPE_BUF 6 -#define _PC_NO_TRUNC 7 -#define _PC_VDISABLE 8 -#define _PC_CHOWN_RESTRICTED 9 -/* POSIX.4 names */ -#define _PC_ASYNC_IO 10 -#define _PC_PRIO_IO 11 -#define _PC_SYNC_IO 12 -#define _PC_LAST 12 - -/* This is not a real and complete implementation yet, just to keep - * the easy Solaris binaries happy. - */ -asmlinkage int solaris_fpathconf(int fd, int name) -{ - int ret; - - switch(name) { - case _PC_LINK_MAX: - ret = LINK_MAX; - break; - case _PC_MAX_CANON: - ret = MAX_CANON; - break; - case _PC_MAX_INPUT: - ret = MAX_INPUT; - break; - case _PC_NAME_MAX: - ret = NAME_MAX; - break; - case _PC_PATH_MAX: - ret = PATH_MAX; - break; - case _PC_PIPE_BUF: - ret = PIPE_BUF; - break; - case _PC_CHOWN_RESTRICTED: - ret = 1; - break; - case _PC_NO_TRUNC: - case _PC_VDISABLE: - ret = 0; - break; - default: - ret = -EINVAL; - break; - } - return ret; -} - -asmlinkage int solaris_pathconf(u32 path, int name) -{ - return solaris_fpathconf(0, name); -} - -/* solaris_llseek returns long long - quite difficult */ -asmlinkage long solaris_llseek(struct pt_regs *regs, u32 off_hi, u32 off_lo, int whence) -{ - int (*sys_llseek)(unsigned int, unsigned long, unsigned long, loff_t __user *, unsigned int) = - (int (*)(unsigned int, unsigned long, unsigned long, loff_t __user *, unsigned int))SYS(_llseek); - int ret; - mm_segment_t old_fs = get_fs(); - loff_t retval; - - set_fs(KERNEL_DS); - ret = sys_llseek((unsigned int)regs->u_regs[UREG_I0], off_hi, off_lo, &retval, whence); - set_fs(old_fs); - if (ret < 0) return ret; - regs->u_regs[UREG_I1] = (u32)retval; - return (retval >> 32); -} - -/* Have to mask out all but lower 3 bits */ -asmlinkage int solaris_access(u32 filename, long mode) -{ - int (*sys_access)(const char __user *, int) = - (int (*)(const char __user *, int))SYS(access); - - return sys_access(A(filename), mode & 7); -} |