/* $NetBSD: osf1_mount.c,v 1.24 2003/06/29 22:29:41 fvdl Exp $ */ /* * Copyright (c) 1999 Christopher G. Demetriou. 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. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christopher G. Demetriou * for the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without 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. */ /* * Copyright (c) 1994, 1995 Carnegie-Mellon University. * All rights reserved. * * Author: Chris G. Demetriou * * Permission to use, copy, modify and distribute this software and * its documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ #include __KERNEL_RCSID(0, "$NetBSD: osf1_mount.c,v 1.24 2003/06/29 22:29:41 fvdl Exp $"); #if defined(_KERNEL_OPT) #include "fs_nfs.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define OSF1_MNT_WAIT 0x1 #define OSF1_MNT_NOWAIT 0x2 #define OSF1_MNT_FORCE 0x1 #define OSF1_MNT_NOFORCE 0x2 /* acceptable flags for various calls */ #define OSF1_GETFSSTAT_FLAGS (OSF1_MNT_WAIT|OSF1_MNT_NOWAIT) #define OSF1_MOUNT_FLAGS 0xffffffff /* XXX */ #define OSF1_UNMOUNT_FLAGS (OSF1_MNT_FORCE|OSF1_MNT_NOFORCE) static int osf1_mount_mfs __P((struct proc *, struct osf1_sys_mount_args *, struct sys_mount_args *)); static int osf1_mount_nfs __P((struct proc *, struct osf1_sys_mount_args *, struct sys_mount_args *)); int osf1_sys_fstatfs(l, v, retval) struct lwp *l; void *v; register_t *retval; { struct osf1_sys_fstatfs_args *uap = v; struct proc *p = l->l_proc; struct file *fp; struct mount *mp; struct statfs *sp; struct osf1_statfs osfs; int error; /* getvnode() will use the descriptor for us */ if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp))) return (error); mp = ((struct vnode *)fp->f_data)->v_mount; sp = &mp->mnt_stat; if ((error = VFS_STATFS(mp, sp, p))) goto out; sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; osf1_cvt_statfs_from_native(sp, &osfs); error = copyout(&osfs, SCARG(uap, buf), min(sizeof osfs, SCARG(uap, len))); out: FILE_UNUSE(fp, p); return (error); } int osf1_sys_getfsstat(l, v, retval) struct lwp *l; void *v; register_t *retval; { struct osf1_sys_getfsstat_args *uap = v; struct proc *p = l->l_proc; struct mount *mp, *nmp; struct statfs *sp; struct osf1_statfs osfs; caddr_t osf_sfsp; long count, maxcount, error; if (SCARG(uap, flags) & ~OSF1_GETFSSTAT_FLAGS) return (EINVAL); maxcount = SCARG(uap, bufsize) / sizeof(struct osf1_statfs); osf_sfsp = (caddr_t)SCARG(uap, buf); for (count = 0, mp = mountlist.cqh_first; mp != (void *)&mountlist; mp = nmp) { nmp = mp->mnt_list.cqe_next; if (osf_sfsp && count < maxcount) { sp = &mp->mnt_stat; /* * If OSF1_MNT_NOWAIT is specified, do not refresh the * fsstat cache. OSF1_MNT_WAIT overrides * OSF1_MNT_NOWAIT. */ if (((SCARG(uap, flags) & OSF1_MNT_NOWAIT) == 0 || (SCARG(uap, flags) & OSF1_MNT_WAIT)) && (error = VFS_STATFS(mp, sp, p))) continue; sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; osf1_cvt_statfs_from_native(sp, &osfs); if ((error = copyout(&osfs, osf_sfsp, sizeof (struct osf1_statfs)))) return (error); osf_sfsp += sizeof (struct osf1_statfs); } count++; } if (osf_sfsp && count > maxcount) *retval = maxcount; else *retval = count; return (0); } int osf1_sys_mount(l, v, retval) struct lwp *l; void *v; register_t *retval; { struct osf1_sys_mount_args *uap = v; struct sys_mount_args a; int error; SCARG(&a, path) = SCARG(uap, path); if (SCARG(uap, flags) & ~OSF1_MOUNT_FLAGS) return (EINVAL); SCARG(&a, flags) = SCARG(uap, flags); /* XXX - xlate */ switch (SCARG(uap, type)) { case OSF1_MOUNT_NFS: if ((error = osf1_mount_nfs(l->l_proc, uap, &a))) return error; break; case OSF1_MOUNT_MFS: if ((error = osf1_mount_mfs(l->l_proc, uap, &a))) return error; break; default: return (EINVAL); } return sys_mount(l, &a, retval); } int osf1_sys_statfs(l, v, retval) struct lwp *l; void *v; register_t *retval; { struct osf1_sys_statfs_args *uap = v; struct proc *p = l->l_proc; struct mount *mp; struct statfs *sp; struct osf1_statfs osfs; int error; struct nameidata nd; NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); if ((error = namei(&nd))) return (error); mp = nd.ni_vp->v_mount; sp = &mp->mnt_stat; vrele(nd.ni_vp); if ((error = VFS_STATFS(mp, sp, p))) return (error); sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; osf1_cvt_statfs_from_native(sp, &osfs); return copyout(&osfs, SCARG(uap, buf), min(sizeof osfs, SCARG(uap, len))); } int osf1_sys_unmount(l, v, retval) struct lwp *l; void *v; register_t *retval; { struct osf1_sys_unmount_args *uap = v; struct sys_unmount_args a; SCARG(&a, path) = SCARG(uap, path); if (SCARG(uap, flags) & ~OSF1_UNMOUNT_FLAGS) return (EINVAL); SCARG(&a, flags) = 0; if ((SCARG(uap, flags) & OSF1_MNT_FORCE) && (SCARG(uap, flags) & OSF1_MNT_NOFORCE) == 0) SCARG(&a, flags) |= MNT_FORCE; return sys_unmount(l, &a, retval); } static int osf1_mount_mfs(p, osf_argp, bsd_argp) struct proc *p; struct osf1_sys_mount_args *osf_argp; struct sys_mount_args *bsd_argp; { struct osf1_mfs_args osf_ma; struct mfs_args bsd_ma; caddr_t sg = stackgap_init(p, 0); int error, len; static const char mfs_name[] = MOUNT_MFS; if ((error = copyin(SCARG(osf_argp, data), &osf_ma, sizeof osf_ma))) return error; memset(&bsd_ma, 0, sizeof bsd_ma); bsd_ma.fspec = osf_ma.name; /* XXX export args */ bsd_ma.base = osf_ma.base; bsd_ma.size = osf_ma.size; SCARG(bsd_argp, data) = stackgap_alloc(p, &sg, sizeof bsd_ma); if ((error = copyout(&bsd_ma, SCARG(bsd_argp, data), sizeof bsd_ma))) return error; len = strlen(mfs_name) + 1; SCARG(bsd_argp, type) = stackgap_alloc(p, &sg, len); if ((error = copyout(mfs_name, (void *)SCARG(bsd_argp, type), len))) return error; return 0; } static int osf1_mount_nfs(p, osf_argp, bsd_argp) struct proc *p; struct osf1_sys_mount_args *osf_argp; struct sys_mount_args *bsd_argp; { struct osf1_nfs_args osf_na; struct nfs_args bsd_na; caddr_t sg = stackgap_init(p, 0); int error, len; static const char nfs_name[] = MOUNT_NFS; unsigned long leftovers; if ((error = copyin(SCARG(osf_argp, data), &osf_na, sizeof osf_na))) return error; memset(&bsd_na, 0, sizeof bsd_na); bsd_na.addr = (struct sockaddr *)osf_na.addr; bsd_na.addrlen = sizeof (struct sockaddr_in); bsd_na.fh = osf_na.fh; /* translate flags */ bsd_na.flags = emul_flags_translate(osf1_nfs_mount_flags_xtab, osf_na.flags, &leftovers); if (leftovers & OSF1_NFSMNT_HOSTNAME) { leftovers &= ~OSF1_NFSMNT_HOSTNAME; bsd_na.hostname = osf_na.hostname; } else { /* XXX FILL IN HOST NAME WITH IPADDR? */ } if (leftovers & OSF1_NFSMNT_TCP) { leftovers &= ~OSF1_NFSMNT_TCP; bsd_na.sotype = SOCK_DGRAM; bsd_na.proto = 0; } else { bsd_na.sotype = SOCK_STREAM; bsd_na.proto = 0; } if (leftovers != 0) return (EINVAL); /* copy structure elements based on flags */ if (bsd_na.flags & NFSMNT_WSIZE) bsd_na.wsize = osf_na.wsize; if (bsd_na.flags & NFSMNT_RSIZE) bsd_na.rsize = osf_na.rsize; if (bsd_na.flags & NFSMNT_TIMEO) bsd_na.timeo = osf_na.timeo; if (bsd_na.flags & NFSMNT_RETRANS) bsd_na.retrans = osf_na.retrans; SCARG(bsd_argp, data) = stackgap_alloc(p, &sg, sizeof bsd_na); if ((error = copyout(&bsd_na, SCARG(bsd_argp, data), sizeof bsd_na))) return error; len = strlen(nfs_name) + 1; SCARG(bsd_argp, type) = stackgap_alloc(p, &sg, len); if ((error = copyout(MOUNT_NFS, (void *)SCARG(bsd_argp, type), len))) return error; return 0; }