diff options
Diffstat (limited to 'sys/compat/linux/linux_stats.c')
-rw-r--r-- | sys/compat/linux/linux_stats.c | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/sys/compat/linux/linux_stats.c b/sys/compat/linux/linux_stats.c deleted file mode 100644 index 573cd74d251d4..0000000000000 --- a/sys/compat/linux/linux_stats.c +++ /dev/null @@ -1,377 +0,0 @@ -/*- - * Copyright (c) 1994-1995 Søren Schmidt - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer - * in this position and unchanged. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#include <sys/param.h> -#include <sys/conf.h> -#include <sys/dirent.h> -#include <sys/file.h> -#include <sys/filedesc.h> -#include <sys/proc.h> -#include <sys/mount.h> -#include <sys/namei.h> -#include <sys/stat.h> -#include <sys/systm.h> -#include <sys/vnode.h> - -#include <machine/../linux/linux.h> -#include <machine/../linux/linux_proto.h> -#include <compat/linux/linux_util.h> - -struct linux_newstat { - u_short stat_dev; - u_short __pad1; - u_long stat_ino; - u_short stat_mode; - u_short stat_nlink; - u_short stat_uid; - u_short stat_gid; - u_short stat_rdev; - u_short __pad2; - u_long stat_size; - u_long stat_blksize; - u_long stat_blocks; - u_long stat_atime; - u_long __unused1; - u_long stat_mtime; - u_long __unused2; - u_long stat_ctime; - u_long __unused3; - u_long __unused4; - u_long __unused5; -}; - -struct linux_ustat -{ - int f_tfree; - u_long f_tinode; - char f_fname[6]; - char f_fpack[6]; -}; - -static int -newstat_copyout(struct stat *buf, void *ubuf) -{ - struct linux_newstat tbuf; - - tbuf.stat_dev = uminor(buf->st_dev) | (umajor(buf->st_dev) << 8); - tbuf.stat_ino = buf->st_ino; - tbuf.stat_mode = buf->st_mode; - tbuf.stat_nlink = buf->st_nlink; - tbuf.stat_uid = buf->st_uid; - tbuf.stat_gid = buf->st_gid; - tbuf.stat_rdev = buf->st_rdev; - tbuf.stat_size = buf->st_size; - tbuf.stat_atime = buf->st_atime; - tbuf.stat_mtime = buf->st_mtime; - tbuf.stat_ctime = buf->st_ctime; - tbuf.stat_blksize = buf->st_blksize; - tbuf.stat_blocks = buf->st_blocks; - - return (copyout(&tbuf, ubuf, sizeof(tbuf))); -} - -int -linux_newstat(struct proc *p, struct linux_newstat_args *args) -{ - struct stat buf; - struct nameidata nd; - int error; - caddr_t sg; - - sg = stackgap_init(); - CHECKALTEXIST(p, &sg, args->path); - -#ifdef DEBUG - printf("Linux-emul(%ld): newstat(%s, *)\n", (long)p->p_pid, - args->path); -#endif - - NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF | NOOBJ, UIO_USERSPACE, - args->path, p); - error = namei(&nd); - if (error) - return (error); - NDFREE(&nd, NDF_ONLY_PNBUF); - - error = vn_stat(nd.ni_vp, &buf, p); - vput(nd.ni_vp); - if (error) - return (error); - - return (newstat_copyout(&buf, args->buf)); -} - -/* - * Get file status; this version does not follow links. - */ -int -linux_newlstat(p, uap) - struct proc *p; - struct linux_newlstat_args *uap; -{ - int error; - struct vnode *vp; - struct stat sb; - struct nameidata nd; - caddr_t sg; - - sg = stackgap_init(); - CHECKALTEXIST(p, &sg, uap->path); - -#ifdef DEBUG - printf("Linux-emul(%ld): newlstat(%s, *)\n", (long)p->p_pid, - uap->path); -#endif - - NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF | NOOBJ, UIO_USERSPACE, - uap->path, p); - error = namei(&nd); - if (error) - return (error); - NDFREE(&nd, NDF_ONLY_PNBUF); - - vp = nd.ni_vp; - error = vn_stat(vp, &sb, p); - vput(vp); - if (error) - return (error); - - return (newstat_copyout(&sb, uap->buf)); -} - -int -linux_newfstat(struct proc *p, struct linux_newfstat_args *args) -{ - struct filedesc *fdp; - struct file *fp; - struct stat buf; - int error; - - fdp = p->p_fd; - -#ifdef DEBUG - printf("Linux-emul(%ld): newfstat(%d, *)\n", (long)p->p_pid, args->fd); -#endif - - if ((unsigned)args->fd >= fdp->fd_nfiles || - (fp = fdp->fd_ofiles[args->fd]) == NULL) - return (EBADF); - - error = fo_stat(fp, &buf, p); - if (!error) - error = newstat_copyout(&buf, args->buf); - - return (error); -} - -struct linux_statfs_buf { - long ftype; - long fbsize; - long fblocks; - long fbfree; - long fbavail; - long ffiles; - long fffree; - linux_fsid_t ffsid; - long fnamelen; - long fspare[6]; -}; - -#ifndef VT_NWFS -#define VT_NWFS VT_TFS /* XXX - bug compatibility with sys/nwfs/nwfs_node.h */ -#endif - -#define LINUX_CODA_SUPER_MAGIC 0x73757245L -#define LINUX_EXT2_SUPER_MAGIC 0xEF53L -#define LINUX_HPFS_SUPER_MAGIC 0xf995e849L -#define LINUX_ISOFS_SUPER_MAGIC 0x9660L -#define LINUX_MSDOS_SUPER_MAGIC 0x4d44L -#define LINUX_NCP_SUPER_MAGIC 0x564cL -#define LINUX_NFS_SUPER_MAGIC 0x6969L -#define LINUX_NTFS_SUPER_MAGIC 0x5346544EL -#define LINUX_PROC_SUPER_MAGIC 0x9fa0L -#define LINUX_UFS_SUPER_MAGIC 0x00011954L /* XXX - UFS_MAGIC in Linux */ - -/* - * ext2fs uses the VT_UFS tag. A mounted ext2 filesystem will therefore - * be seen as an ufs/mfs filesystem. - */ -static long -bsd_to_linux_ftype(int tag) -{ - - switch (tag) { - case VT_CODA: - return (LINUX_CODA_SUPER_MAGIC); - case VT_HPFS: - return (LINUX_HPFS_SUPER_MAGIC); - case VT_ISOFS: - return (LINUX_ISOFS_SUPER_MAGIC); - case VT_MFS: - return (LINUX_UFS_SUPER_MAGIC); - case VT_MSDOSFS: - return (LINUX_MSDOS_SUPER_MAGIC); - case VT_NFS: - return (LINUX_NFS_SUPER_MAGIC); - case VT_NTFS: - return (LINUX_NTFS_SUPER_MAGIC); - case VT_NWFS: - return (LINUX_NCP_SUPER_MAGIC); - case VT_PROCFS: - return (LINUX_PROC_SUPER_MAGIC); - case VT_UFS: - return (LINUX_UFS_SUPER_MAGIC); - } - - return (0L); -} - -int -linux_statfs(struct proc *p, struct linux_statfs_args *args) -{ - struct mount *mp; - struct nameidata *ndp; - struct statfs *bsd_statfs; - struct nameidata nd; - struct linux_statfs_buf linux_statfs_buf; - int error; - caddr_t sg; - - sg = stackgap_init(); - CHECKALTEXIST(p, &sg, args->path); - -#ifdef DEBUG - printf("Linux-emul(%d): statfs(%s, *)\n", p->p_pid, args->path); -#endif - ndp = &nd; - NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args->path, curproc); - error = namei(ndp); - if (error) - return error; - NDFREE(ndp, NDF_ONLY_PNBUF); - mp = ndp->ni_vp->v_mount; - bsd_statfs = &mp->mnt_stat; - vrele(ndp->ni_vp); - error = VFS_STATFS(mp, bsd_statfs, p); - if (error) - return error; - bsd_statfs->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; - linux_statfs_buf.ftype = bsd_to_linux_ftype(bsd_statfs->f_type); - linux_statfs_buf.fbsize = bsd_statfs->f_bsize; - linux_statfs_buf.fblocks = bsd_statfs->f_blocks; - linux_statfs_buf.fbfree = bsd_statfs->f_bfree; - linux_statfs_buf.fbavail = bsd_statfs->f_bavail; - linux_statfs_buf.fffree = bsd_statfs->f_ffree; - linux_statfs_buf.ffiles = bsd_statfs->f_files; - linux_statfs_buf.ffsid.val[0] = bsd_statfs->f_fsid.val[0]; - linux_statfs_buf.ffsid.val[1] = bsd_statfs->f_fsid.val[1]; - linux_statfs_buf.fnamelen = MAXNAMLEN; - return copyout((caddr_t)&linux_statfs_buf, (caddr_t)args->buf, - sizeof(struct linux_statfs_buf)); -} - -int -linux_fstatfs(struct proc *p, struct linux_fstatfs_args *args) -{ - struct file *fp; - struct mount *mp; - struct statfs *bsd_statfs; - struct linux_statfs_buf linux_statfs_buf; - int error; - -#ifdef DEBUG - printf("Linux-emul(%d): fstatfs(%d, *)\n", p->p_pid, args->fd); -#endif - error = getvnode(p->p_fd, args->fd, &fp); - if (error) - return error; - mp = ((struct vnode *)fp->f_data)->v_mount; - bsd_statfs = &mp->mnt_stat; - error = VFS_STATFS(mp, bsd_statfs, p); - if (error) - return error; - bsd_statfs->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; - linux_statfs_buf.ftype = bsd_to_linux_ftype(bsd_statfs->f_type); - linux_statfs_buf.fbsize = bsd_statfs->f_bsize; - linux_statfs_buf.fblocks = bsd_statfs->f_blocks; - linux_statfs_buf.fbfree = bsd_statfs->f_bfree; - linux_statfs_buf.fbavail = bsd_statfs->f_bavail; - linux_statfs_buf.fffree = bsd_statfs->f_ffree; - linux_statfs_buf.ffiles = bsd_statfs->f_files; - linux_statfs_buf.ffsid.val[0] = bsd_statfs->f_fsid.val[0]; - linux_statfs_buf.ffsid.val[1] = bsd_statfs->f_fsid.val[1]; - linux_statfs_buf.fnamelen = MAXNAMLEN; - return copyout((caddr_t)&linux_statfs_buf, (caddr_t)args->buf, - sizeof(struct linux_statfs_buf)); -} - -int -linux_ustat(p, uap) - struct proc *p; - struct linux_ustat_args *uap; -{ - struct linux_ustat lu; - dev_t dev; - struct vnode *vp; - struct statfs *stat; - int error; - -#ifdef DEBUG - printf("Linux-emul(%ld): ustat(%d, *)\n", (long)p->p_pid, uap->dev); -#endif - - /* - * lu.f_fname and lu.f_fpack are not used. They are always zeroed. - * lu.f_tinode and lu.f_tfree are set from the device's super block. - */ - bzero(&lu, sizeof(lu)); - - /* - * XXX - Don't return an error if we can't find a vnode for the - * device. Our dev_t is 32-bits whereas Linux only has a 16-bits - * dev_t. The dev_t that is used now may as well be a truncated - * dev_t returned from previous syscalls. Just return a bzeroed - * ustat in that case. - */ - dev = makebdev(uap->dev >> 8, uap->dev & 0xFF); - if (vfinddev(dev, VBLK, &vp)) { - if (vp->v_mount == NULL) - return (EINVAL); - stat = &(vp->v_mount->mnt_stat); - error = VFS_STATFS(vp->v_mount, stat, p); - if (error) - return (error); - - lu.f_tfree = stat->f_bfree; - lu.f_tinode = stat->f_ffree; - } - - return (copyout(&lu, uap->ubuf, sizeof(lu))); -} |