Import kernel part of ncplib: netncp and nwfs

Reviewed by:	msmith, peter
Obtained from:	ncplib

1 files changed, 100 insertions, 0 deletions

diff --git a/sys/nwfs/nwfs_node.h b/sys/nwfs/nwfs_node.h
new file mode 100644
index 0000000..c88c4b4
--- /dev/null
+++ b/sys/nwfs/nwfs_node.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 1999, Boris Popov
+ * 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 Boris Popov.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ * $FreeBSD$
+ */
+#ifndef _NWFS_NODE_H_
+#define _NWFS_NODE_H_
+
+#define	NWFS_ROOT_INO	0x7ffffffd
+#define	NWFS_ROOTVOL	"#.ROOT"
+
+/* Bits for nwnode.n_flag */
+#define	NFLUSHINPROG	0x0001
+#define	NFLUSHWANT	0x0002		/* they should gone ... */
+#define	NMODIFIED	0x0004		/* bogus, until async IO implemented */
+#define	NNEW		0x0008		/* vnode has been allocated */
+#define	NVOLUME		0x0010		/* vnode references a volume */
+
+#ifndef	VT_NWFS
+#define	VT_NWFS		VT_TFS
+#endif
+
+struct nwnode {
+	LIST_ENTRY(nwnode)	n_hash;
+	struct vnode 		*n_vnode;
+	struct vattr		n_vattr;
+	struct nwmount		*n_mount;
+	time_t			n_atime;	/* attributes cache time*/
+	time_t			n_ctime;
+	time_t			n_mtime;
+	int			n_flag;
+	ncpfid			n_parent;
+	ncpfid			n_fid;
+	int			n_refparent;
+	u_long			n_attr;		/* LH */
+	u_long			n_size;
+	u_long			n_dosfid;
+	int 			opened;
+/*	int 			access;*/
+	u_long 			n_origfh;
+	ncp_fh			n_fh;
+	struct nw_search_seq	n_seq;
+	u_char			n_nmlen;
+	u_char			n_name[256];
+};
+
+#define VTONW(vp)	((struct nwnode *)(vp)->v_data)
+#define NWTOV(np)	((struct vnode *)(np)->n_vnode)
+#define	NWCMPF(f1,f2)	((f1)->f_parent == (f2)->f_parent && \
+			 (f1)->f_id == (f2)->f_id)
+#define	NWCMPN(np1,np2)	NWCMPF(&(np1)->n_fid, &(np2)->n_fid)
+#define NWCMPV(vp1,vp2)	NWCMPN(VTONW(vp1),VTONW(vp2))
+
+void nwfs_hash_init(void);
+void nwfs_hash_free(void);
+int  nwfs_allocvp(struct mount *mp, ncpfid fid, struct vnode **vpp);
+int  nwfs_lookupnp(struct nwmount *nmp, ncpfid fid, struct nwnode **npp);
+int  nwfs_inactive __P((struct vop_inactive_args *));
+int  nwfs_reclaim __P((struct vop_reclaim_args *));
+int nwfs_nget(struct mount *mp, ncpfid fid, struct nw_entry_info *fap,
+    struct vnode *dvp, struct vnode **vpp);
+
+int  nwfs_getpages __P((struct vop_getpages_args *));
+int  nwfs_putpages __P((struct vop_putpages_args *));
+int  nwfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
+int  nwfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
+void nwfs_attr_cacheenter(struct vnode *vp, struct nw_entry_info *fi);
+int  nwfs_attr_cachelookup(struct vnode *vp,struct vattr *va);
+
+#define nwfs_attr_cacheremove(vp)	VTONW(vp)->n_atime = 0
+
+#endif /* _NWFS_NODE_H_ */