xref: /onnv-gate/usr/src/stand/lib/fs/nfs/nfs_inet.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  *
26*0Sstevel@tonic-gate  * nfs_inet.h contains definitions specific to inetboot's nfs implementation.
27*0Sstevel@tonic-gate  */
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #ifndef _NFS_INET_H
30*0Sstevel@tonic-gate #define	_NFS_INET_H
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #ifdef	__cplusplus
35*0Sstevel@tonic-gate extern "C" {
36*0Sstevel@tonic-gate #endif
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #include <netinet/in.h>
39*0Sstevel@tonic-gate #include <sys/socket.h>
40*0Sstevel@tonic-gate #include <net/if.h>
41*0Sstevel@tonic-gate #include <netinet/if_ether.h>
42*0Sstevel@tonic-gate #include <netinet/in_systm.h>
43*0Sstevel@tonic-gate #include <netinet/ip.h>
44*0Sstevel@tonic-gate #include <netinet/udp.h>
45*0Sstevel@tonic-gate #include <sys/saio.h>
46*0Sstevel@tonic-gate #include <rpcsvc/nfs_prot.h>
47*0Sstevel@tonic-gate #include <rpcsvc/nfs4_prot.h>
48*0Sstevel@tonic-gate #include "clnt.h"
49*0Sstevel@tonic-gate #include <sys/vfs.h>
50*0Sstevel@tonic-gate #include <sys/dirent.h>
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate #define	NFSBUF_SIZE	(READ_SIZE+1024)
53*0Sstevel@tonic-gate #define	READ_SIZE	(8192)	/* NFS readsize */
54*0Sstevel@tonic-gate #define	NFS_READ_DECR	(1024)	/* NFS readsize decrement */
55*0Sstevel@tonic-gate #define	NFS3BUF_SIZE	(READ3_SIZE+1024)
56*0Sstevel@tonic-gate #define	READ3_SIZE	(32 * 1024)	/* NFS3 readsize */
57*0Sstevel@tonic-gate #define	NFS4BUF_SIZE	(READ4_SIZE+1024)
58*0Sstevel@tonic-gate #define	READ4_SIZE	(32 * 1024)	/* NFS4 readsize */
59*0Sstevel@tonic-gate #define	NFS4_MAX_UTF8STRING	(8 * 1024)
60*0Sstevel@tonic-gate #define	NFS4_MAX_BITWORDS	(2)
61*0Sstevel@tonic-gate #define	NFS_MAX_FERRS	(3)	/* MAX frame errors before decr read size */
62*0Sstevel@tonic-gate #define	NFS_REXMIT_MIN	(3)	/* NFS retry min in secs */
63*0Sstevel@tonic-gate #define	NFS_REXMIT_MAX	(15)	/* NFS retry max in secs */
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate extern int nfs_readsize;
66*0Sstevel@tonic-gate extern struct nfs_file roothandle;
67*0Sstevel@tonic-gate extern CLIENT *root_CLIENT;
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate /*
70*0Sstevel@tonic-gate  * Boot specific V4 fh with maximum allowed data statically allocated
71*0Sstevel@tonic-gate  */
72*0Sstevel@tonic-gate struct nfs_bfh4 {
73*0Sstevel@tonic-gate 	uint_t len;
74*0Sstevel@tonic-gate 	char data[NFS4_FHSIZE];
75*0Sstevel@tonic-gate };
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate /*
78*0Sstevel@tonic-gate  * Boot specific V3 fh with maximum allowed data statically allocated
79*0Sstevel@tonic-gate  */
80*0Sstevel@tonic-gate struct nfs_bfh3 {
81*0Sstevel@tonic-gate 	uint_t len;
82*0Sstevel@tonic-gate 	char data[NFS3_FHSIZE];
83*0Sstevel@tonic-gate };
84*0Sstevel@tonic-gate 
85*0Sstevel@tonic-gate union _nfs_fh {
86*0Sstevel@tonic-gate 	nfs_fh fh2;
87*0Sstevel@tonic-gate 	struct nfs_bfh3 fh3;
88*0Sstevel@tonic-gate 	struct nfs_bfh4 fh4;
89*0Sstevel@tonic-gate };
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate union _nfs_cookie {
92*0Sstevel@tonic-gate 	nfscookie cookie2;
93*0Sstevel@tonic-gate 	cookie3 cookie3;
94*0Sstevel@tonic-gate 	nfs_cookie4 cookie4;
95*0Sstevel@tonic-gate };
96*0Sstevel@tonic-gate 
97*0Sstevel@tonic-gate union _nfs_ftype {
98*0Sstevel@tonic-gate 	ftype type2;
99*0Sstevel@tonic-gate 	ftype3 type3;
100*0Sstevel@tonic-gate 	nfs_ftype4 type4;
101*0Sstevel@tonic-gate };
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate /*
104*0Sstevel@tonic-gate  * NFS: This structure represents the current open file.
105*0Sstevel@tonic-gate  */
106*0Sstevel@tonic-gate struct nfs_file {
107*0Sstevel@tonic-gate 	int version;
108*0Sstevel@tonic-gate 	ulong_t offset;
109*0Sstevel@tonic-gate 	union _nfs_ftype ftype;
110*0Sstevel@tonic-gate 	union _nfs_fh fh;
111*0Sstevel@tonic-gate 	union _nfs_cookie cookie;
112*0Sstevel@tonic-gate };
113*0Sstevel@tonic-gate 
114*0Sstevel@tonic-gate struct nfs_fid {
115*0Sstevel@tonic-gate 	ushort_t nf_len;
116*0Sstevel@tonic-gate 	ushort_t nf_pad;
117*0Sstevel@tonic-gate 	struct nfs_fh fh;
118*0Sstevel@tonic-gate };
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate #define	cfile_is_dir(cf)    (((cf)->version == NFS_VERSION) ?	\
121*0Sstevel@tonic-gate 				((cf)->ftype.type2 == NFDIR) :	\
122*0Sstevel@tonic-gate 				(((cf)->version == NFS_V3) ?	\
123*0Sstevel@tonic-gate 				((cf)->ftype.type3 == NF3DIR) : \
124*0Sstevel@tonic-gate 				(((cf)->version == NFS_V4) ?	\
125*0Sstevel@tonic-gate 				((cf)->ftype.type4 == NF4DIR) : 0)))
126*0Sstevel@tonic-gate 
127*0Sstevel@tonic-gate #define	cfile_is_lnk(cf)    (((cf)->version == NFS_VERSION) ?	\
128*0Sstevel@tonic-gate 				((cf)->ftype.type2 == NFLNK) :	\
129*0Sstevel@tonic-gate 				(((cf)->version == NFS_V3) ?	\
130*0Sstevel@tonic-gate 				((cf)->ftype.type3 == NF3LNK) : \
131*0Sstevel@tonic-gate 				(((cf)->version == NFS_V4) ?	\
132*0Sstevel@tonic-gate 				((cf)->ftype.type4 == NF4LNK) : 0)))
133*0Sstevel@tonic-gate 
134*0Sstevel@tonic-gate /*
135*0Sstevel@tonic-gate  * Predefine an attribute bitmap that inetboot will most likely be
136*0Sstevel@tonic-gate  * interested in.
137*0Sstevel@tonic-gate  */
138*0Sstevel@tonic-gate typedef union attr4_bitmap1_u {
139*0Sstevel@tonic-gate 	struct {
140*0Sstevel@tonic-gate 		unsigned int
141*0Sstevel@tonic-gate #ifdef _BIT_FIELDS_HTOL
142*0Sstevel@tonic-gate 		b_pad4:			11,
143*0Sstevel@tonic-gate 		b_fattr4_fileid:	1,
144*0Sstevel@tonic-gate 		b_fattr4_filehandle:	1,
145*0Sstevel@tonic-gate 		b_pad3:			10,
146*0Sstevel@tonic-gate 		b_fattr4_fsid:		1,
147*0Sstevel@tonic-gate 		b_pad2:			3,
148*0Sstevel@tonic-gate 		b_fattr4_size:		1,
149*0Sstevel@tonic-gate 		b_pad1:			2,
150*0Sstevel@tonic-gate 		b_fattr4_type:		1,
151*0Sstevel@tonic-gate 		b_supported_attrs:	1;
152*0Sstevel@tonic-gate #endif
153*0Sstevel@tonic-gate #ifdef _BIT_FIELDS_LTOH
154*0Sstevel@tonic-gate 		b_supported_attrs:	1,
155*0Sstevel@tonic-gate 		b_fattr4_type:		1,
156*0Sstevel@tonic-gate 		b_pad1:			2,
157*0Sstevel@tonic-gate 		b_fattr4_size:		1,
158*0Sstevel@tonic-gate 		b_pad2:			3,
159*0Sstevel@tonic-gate 		b_fattr4_fsid:		1,
160*0Sstevel@tonic-gate 		b_pad3:			10,
161*0Sstevel@tonic-gate 		b_fattr4_filehandle:	1,
162*0Sstevel@tonic-gate 		b_fattr4_fileid:	1,
163*0Sstevel@tonic-gate 		b_pad4:			11;
164*0Sstevel@tonic-gate #endif
165*0Sstevel@tonic-gate 	} bitmap_s;
166*0Sstevel@tonic-gate 	uint_t word;
167*0Sstevel@tonic-gate } attr4_bitmap1_t;
168*0Sstevel@tonic-gate 
169*0Sstevel@tonic-gate #define	bm_supported_attrs	bitmap_s.b_supported_attrs
170*0Sstevel@tonic-gate #define	bm_fattr4_type		bitmap_s.b_fattr4_type
171*0Sstevel@tonic-gate #define	bm_fattr4_size		bitmap_s.b_fattr4_size
172*0Sstevel@tonic-gate #define	bm_fattr4_fsid		bitmap_s.b_fattr4_fsid
173*0Sstevel@tonic-gate #define	bm_fattr4_fileid	bitmap_s.b_fattr4_fileid
174*0Sstevel@tonic-gate #define	bm_fattr4_filehandle	bitmap_s.b_fattr4_filehandle
175*0Sstevel@tonic-gate 
176*0Sstevel@tonic-gate typedef	union attr4_bitmap2_u {
177*0Sstevel@tonic-gate 	struct {
178*0Sstevel@tonic-gate 		unsigned int
179*0Sstevel@tonic-gate #ifdef _BIT_FIELDS_HTOL
180*0Sstevel@tonic-gate 		b_pad4:			10,
181*0Sstevel@tonic-gate 		b_fattr4_time_modify:	1,
182*0Sstevel@tonic-gate 		b_fattr4_time_metadata:	1,
183*0Sstevel@tonic-gate 		b_pad3:			4,
184*0Sstevel@tonic-gate 		b_fattr4_time_access:	1,
185*0Sstevel@tonic-gate 		b_pad2:			13,
186*0Sstevel@tonic-gate 		b_fattr4_mode:		1,
187*0Sstevel@tonic-gate 		b_pad1:			1;
188*0Sstevel@tonic-gate #endif
189*0Sstevel@tonic-gate #ifdef _BIT_FIELDS_LTOH
190*0Sstevel@tonic-gate 		b_pad1:			1,
191*0Sstevel@tonic-gate 		b_fattr4_mode:		1,
192*0Sstevel@tonic-gate 		b_pad2:			13,
193*0Sstevel@tonic-gate 		b_fattr4_time_access:	1,
194*0Sstevel@tonic-gate 		b_pad3:			4,
195*0Sstevel@tonic-gate 		b_fattr4_time_metadata:	1,
196*0Sstevel@tonic-gate 		b_fattr4_time_modify:	1,
197*0Sstevel@tonic-gate 		b_pad4:			10;
198*0Sstevel@tonic-gate #endif
199*0Sstevel@tonic-gate 	} bitmap_s;
200*0Sstevel@tonic-gate 	uint_t word;
201*0Sstevel@tonic-gate } attr4_bitmap2_t;
202*0Sstevel@tonic-gate 
203*0Sstevel@tonic-gate #define	bm_fattr4_mode		bitmap_s.b_fattr4_mode
204*0Sstevel@tonic-gate #define	bm_fattr4_time_access	bitmap_s.b_fattr4_time_access
205*0Sstevel@tonic-gate #define	bm_fattr4_time_metadata	bitmap_s.b_fattr4_time_metadata
206*0Sstevel@tonic-gate #define	bm_fattr4_time_modify	bitmap_s.b_fattr4_time_modify
207*0Sstevel@tonic-gate 
208*0Sstevel@tonic-gate typedef struct b_bitmap4 {
209*0Sstevel@tonic-gate 	uint_t b_bitmap_len;
210*0Sstevel@tonic-gate 	uint_t b_bitmap_val[NFS4_MAX_BITWORDS];
211*0Sstevel@tonic-gate } b_bitmap4_t;
212*0Sstevel@tonic-gate 
213*0Sstevel@tonic-gate /*
214*0Sstevel@tonic-gate  * Define a usable set of v4 atttributes for inetboot.
215*0Sstevel@tonic-gate  */
216*0Sstevel@tonic-gate typedef struct b_fattr4_s {
217*0Sstevel@tonic-gate 	b_bitmap4_t	b_supported_attrs;
218*0Sstevel@tonic-gate 	nfs_ftype4	b_fattr4_type;
219*0Sstevel@tonic-gate 	uint64_t	b_fattr4_size;
220*0Sstevel@tonic-gate 	fsid4		b_fattr4_fsid;
221*0Sstevel@tonic-gate 	struct nfs_bfh4	b_fattr4_filehandle;
222*0Sstevel@tonic-gate 	uint64_t	b_fattr4_fileid;
223*0Sstevel@tonic-gate 	mode4		b_fattr4_mode;
224*0Sstevel@tonic-gate 	nfstime4	b_fattr4_time_access;
225*0Sstevel@tonic-gate 	nfstime4	b_fattr4_time_metadata;
226*0Sstevel@tonic-gate 	nfstime4	b_fattr4_time_modify;
227*0Sstevel@tonic-gate } b_fattr4_t;
228*0Sstevel@tonic-gate 
229*0Sstevel@tonic-gate /*
230*0Sstevel@tonic-gate  * common to putfh and putfhroot.
231*0Sstevel@tonic-gate  */
232*0Sstevel@tonic-gate typedef struct putfh4arg_s {
233*0Sstevel@tonic-gate 	uint_t		pf_opnum;	/* can either be putfh or putrootfh */
234*0Sstevel@tonic-gate 	struct nfs_bfh4	pf_filehandle;	/* only used by putfh */
235*0Sstevel@tonic-gate } putfh4arg_t;
236*0Sstevel@tonic-gate 
237*0Sstevel@tonic-gate /*
238*0Sstevel@tonic-gate  * Use this struct to construct our OTW compound procedures.  Layout makes for
239*0Sstevel@tonic-gate  * easy XDR'ing. Include putfh.
240*0Sstevel@tonic-gate  */
241*0Sstevel@tonic-gate typedef union compound_u {
242*0Sstevel@tonic-gate 	struct {
243*0Sstevel@tonic-gate 		utf8string	tag;
244*0Sstevel@tonic-gate 		uint_t		minorversion;	/* 0 */
245*0Sstevel@tonic-gate 		uint_t		argarray_len;	/* 1 + n for putfh */
246*0Sstevel@tonic-gate 		bool_t		isputrootfh;	/* flag */
247*0Sstevel@tonic-gate 		putfh4arg_t	opputfh;	/* putfh args */
248*0Sstevel@tonic-gate 	} compound_ua_s;
249*0Sstevel@tonic-gate 	struct {
250*0Sstevel@tonic-gate 		nfsstat4	status;		/* status of last op */
251*0Sstevel@tonic-gate 		utf8string	tag;
252*0Sstevel@tonic-gate 		uint_t		resarray_len;	/* 1 + n for putfh */
253*0Sstevel@tonic-gate 		uint_t		opputfh;	/* putfh opnum */
254*0Sstevel@tonic-gate 		nfsstat4	putfh_status;	/* putfh status */
255*0Sstevel@tonic-gate 	} compound_ur_s;
256*0Sstevel@tonic-gate } b_compound_t;
257*0Sstevel@tonic-gate 
258*0Sstevel@tonic-gate /*
259*0Sstevel@tonic-gate  * Define some macros for easy access into the compound structrue
260*0Sstevel@tonic-gate  */
261*0Sstevel@tonic-gate #define	ca_tag compound_ua_s.tag
262*0Sstevel@tonic-gate #define	ca_minorversion compound_ua_s.minorversion
263*0Sstevel@tonic-gate #define	ca_argarray_len compound_ua_s.argarray_len
264*0Sstevel@tonic-gate #define	ca_isputrootfh compound_ua_s.isputrootfh
265*0Sstevel@tonic-gate #define	ca_opputfh compound_ua_s.opputfh
266*0Sstevel@tonic-gate 
267*0Sstevel@tonic-gate #define	cr_status compound_ur_s.status
268*0Sstevel@tonic-gate #define	cr_tag compound_ur_s.tag
269*0Sstevel@tonic-gate #define	cr_resarray_len compound_ur_s.resarray_len
270*0Sstevel@tonic-gate #define	cr_opputfh compound_ur_s.opputfh
271*0Sstevel@tonic-gate #define	cr_putfh_status compound_ur_s.putfh_status
272*0Sstevel@tonic-gate /*
273*0Sstevel@tonic-gate  * Define simple compound structs that include op specific data
274*0Sstevel@tonic-gate  */
275*0Sstevel@tonic-gate typedef struct getattrres_cmn {
276*0Sstevel@tonic-gate 	uint_t		gc_opgetattr;		/* getattr opnum */
277*0Sstevel@tonic-gate 	nfsstat4	gc_attr_status;		/* getattr result */
278*0Sstevel@tonic-gate 	b_bitmap4_t	gc_retattr;		/* getattr result */
279*0Sstevel@tonic-gate 	uint_t		gc_attrlist_len;	/* getattr result */
280*0Sstevel@tonic-gate 	b_fattr4_t	gc_attrs;		/* getattr result */
281*0Sstevel@tonic-gate } getattrres_cmn_t;
282*0Sstevel@tonic-gate 
283*0Sstevel@tonic-gate /*
284*0Sstevel@tonic-gate  * getattr: putfh/getattr
285*0Sstevel@tonic-gate  */
286*0Sstevel@tonic-gate typedef struct getattr4arg_s {
287*0Sstevel@tonic-gate 	b_compound_t	ga_arg;		/* compound + putfh */
288*0Sstevel@tonic-gate 	uint_t		ga_opgetattr;	/* getattr opnum */
289*0Sstevel@tonic-gate 	b_bitmap4_t	ga_attr_req;	/* getattr arg */
290*0Sstevel@tonic-gate } getattr4arg_t;
291*0Sstevel@tonic-gate 
292*0Sstevel@tonic-gate typedef struct getattr4res_s {
293*0Sstevel@tonic-gate 	b_compound_t		gr_res;	/* compound + putfh */
294*0Sstevel@tonic-gate 	getattrres_cmn_t	gr_cmn;
295*0Sstevel@tonic-gate } getattr4res_t;
296*0Sstevel@tonic-gate 
297*0Sstevel@tonic-gate #define	gr_opgetattr gr_cmn.gc_opgetattr
298*0Sstevel@tonic-gate #define	gr_attr_status gr_cmn.gc_attr_status
299*0Sstevel@tonic-gate #define	gr_retattr gr_cmn.gc_retattr
300*0Sstevel@tonic-gate #define	gr_attrs gr_cmn.gc_attrs
301*0Sstevel@tonic-gate 
302*0Sstevel@tonic-gate /*
303*0Sstevel@tonic-gate  * lookup: putfh/lookup/getattr
304*0Sstevel@tonic-gate  */
305*0Sstevel@tonic-gate typedef struct lookup4arg_s {
306*0Sstevel@tonic-gate 	b_compound_t	la_arg;		/* compound + putfh */
307*0Sstevel@tonic-gate 	uint_t		la_oplookup;	/* lookup opnum */
308*0Sstevel@tonic-gate 	component4	la_pathname;	/* lookup arg */
309*0Sstevel@tonic-gate 	uint_t		la_opgetattr;	/* getattr opnum */
310*0Sstevel@tonic-gate 	b_bitmap4_t	la_attr_req;	/* getattr arg */
311*0Sstevel@tonic-gate } lookup4arg_t;
312*0Sstevel@tonic-gate 
313*0Sstevel@tonic-gate typedef struct lookup4res_s {
314*0Sstevel@tonic-gate 	b_compound_t		lr_res;		/* compound + putfh */
315*0Sstevel@tonic-gate 	uint_t			lr_oplookup;	/* lookup opnum */
316*0Sstevel@tonic-gate 	nfsstat4		lr_lookup_status;	/* lookup result */
317*0Sstevel@tonic-gate 	getattrres_cmn_t	lr_gcmn;	/* getattr result */
318*0Sstevel@tonic-gate } lookup4res_t;
319*0Sstevel@tonic-gate 
320*0Sstevel@tonic-gate #define	lr_opgetattr lr_gcmn.gc_opgetattr
321*0Sstevel@tonic-gate #define	lr_attr_status lr_gcmn.gc_attr_status
322*0Sstevel@tonic-gate #define	lr_retattr lr_gcmn.gc_retattr
323*0Sstevel@tonic-gate #define	lr_attrs lr_gcmn.gc_attrs
324*0Sstevel@tonic-gate 
325*0Sstevel@tonic-gate /*
326*0Sstevel@tonic-gate  * lookupp: putfh/lookupp/getattr
327*0Sstevel@tonic-gate  *
328*0Sstevel@tonic-gate  * For results: use the lookup4res_t
329*0Sstevel@tonic-gate  */
330*0Sstevel@tonic-gate typedef struct lookupp4arg_s {
331*0Sstevel@tonic-gate 	b_compound_t	la_arg;		/* compound + putfh */
332*0Sstevel@tonic-gate 	uint_t		la_oplookupp;	/* lookupp opnum */
333*0Sstevel@tonic-gate 	uint_t		la_opgetattr;	/* lookupp arg */
334*0Sstevel@tonic-gate 	b_bitmap4_t	la_attr_req;	/* lookupp arg */
335*0Sstevel@tonic-gate } lookupp4arg_t;
336*0Sstevel@tonic-gate 
337*0Sstevel@tonic-gate /*
338*0Sstevel@tonic-gate  * read: putfh/read
339*0Sstevel@tonic-gate  */
340*0Sstevel@tonic-gate typedef struct read4arg_s {
341*0Sstevel@tonic-gate 	b_compound_t	r_arg;		/* compound + putfh */
342*0Sstevel@tonic-gate 	uint_t		r_opread;	/* read opnum */
343*0Sstevel@tonic-gate 	stateid4	r_stateid;	/* read arg */
344*0Sstevel@tonic-gate 	offset4		r_offset;	/* read arg */
345*0Sstevel@tonic-gate 	count4		r_count;	/* read arg */
346*0Sstevel@tonic-gate } read4arg_t;
347*0Sstevel@tonic-gate 
348*0Sstevel@tonic-gate typedef struct read4res_s {
349*0Sstevel@tonic-gate 	b_compound_t	r_res;		/* compound + putfh */
350*0Sstevel@tonic-gate 	uint_t		r_opread;	/* read opnum */
351*0Sstevel@tonic-gate 	nfsstat4	r_status;	/* read result */
352*0Sstevel@tonic-gate 	bool_t		r_eof;		/* read result */
353*0Sstevel@tonic-gate 	uint_t		r_data_len;	/* read result */
354*0Sstevel@tonic-gate 	char		*r_data_val;	/* read result */
355*0Sstevel@tonic-gate } read4res_t;
356*0Sstevel@tonic-gate 
357*0Sstevel@tonic-gate typedef struct b_entry4_s {
358*0Sstevel@tonic-gate 	nfs_cookie4		b_cookie;
359*0Sstevel@tonic-gate 	utf8string		b_name;
360*0Sstevel@tonic-gate 	uint64_t		b_fileid;
361*0Sstevel@tonic-gate 	struct b_entry4_s	*b_nextentry;
362*0Sstevel@tonic-gate } b_entry4_t;
363*0Sstevel@tonic-gate 
364*0Sstevel@tonic-gate /*
365*0Sstevel@tonic-gate  * readdir: putfh/readdir/getattr
366*0Sstevel@tonic-gate  */
367*0Sstevel@tonic-gate typedef struct readdir4arg_s {
368*0Sstevel@tonic-gate 	b_compound_t	rd_arg;		/* compoud + putfh */
369*0Sstevel@tonic-gate 	uint_t		rd_opreaddir;	/* readdir opnum */
370*0Sstevel@tonic-gate 	nfs_cookie4	rd_cookie;	/* readdir arg */
371*0Sstevel@tonic-gate 	verifier4	rd_cookieverf;	/* readdir arg */
372*0Sstevel@tonic-gate 	count4		rd_dircount;	/* readdir arg */
373*0Sstevel@tonic-gate 	count4		rd_maxcount;	/* readdir arg */
374*0Sstevel@tonic-gate 	b_bitmap4_t	rd_attr_req;	/* readdir arg */
375*0Sstevel@tonic-gate } readdir4arg_t;
376*0Sstevel@tonic-gate 
377*0Sstevel@tonic-gate typedef struct readdir4res_s {
378*0Sstevel@tonic-gate 	b_compound_t	rd_res;		/* compound + putfh */
379*0Sstevel@tonic-gate 	uint_t		rd_opreaddir;	/* readdir opnum */
380*0Sstevel@tonic-gate 	nfsstat4	rd_status;	/* readdir result */
381*0Sstevel@tonic-gate 	verifier4	rd_cookieverf;	/* readdir result */
382*0Sstevel@tonic-gate 	b_entry4_t	*rd_entries;	/* readdir result */
383*0Sstevel@tonic-gate 	bool_t		rd_eof;		/* readdir result */
384*0Sstevel@tonic-gate } readdir4res_t;
385*0Sstevel@tonic-gate 
386*0Sstevel@tonic-gate /*
387*0Sstevel@tonic-gate  * readlink: putfh/readlink
388*0Sstevel@tonic-gate  */
389*0Sstevel@tonic-gate typedef struct readlink4arg_s {
390*0Sstevel@tonic-gate 	b_compound_t	rl_arg;		/* compound + putfh */
391*0Sstevel@tonic-gate 	uint_t		rl_opreadlink;	/* readlink opnum */
392*0Sstevel@tonic-gate } readlink4arg_t;
393*0Sstevel@tonic-gate 
394*0Sstevel@tonic-gate typedef struct readlink4res_s {
395*0Sstevel@tonic-gate 	b_compound_t	rl_res;		/* compound + putfh */
396*0Sstevel@tonic-gate 	uint_t		rl_opreadlink;	/* readlink opnum */
397*0Sstevel@tonic-gate 	nfsstat4	rl_status;	/* readlink result */
398*0Sstevel@tonic-gate 	utf8string	rl_link;	/* readlink result */
399*0Sstevel@tonic-gate } readlink4res_t;
400*0Sstevel@tonic-gate 
401*0Sstevel@tonic-gate /*
402*0Sstevel@tonic-gate  * Generic NFS functions
403*0Sstevel@tonic-gate  */
404*0Sstevel@tonic-gate extern int	boot_nfs_mountroot(char *);
405*0Sstevel@tonic-gate extern int	boot_nfs_unmountroot(void);
406*0Sstevel@tonic-gate extern int	lookup(char *pathname, struct nfs_file *, bool_t);
407*0Sstevel@tonic-gate extern bool_t	whoami(void);
408*0Sstevel@tonic-gate extern bool_t	getfile(char *, char *, struct in_addr *, char *);
409*0Sstevel@tonic-gate 
410*0Sstevel@tonic-gate /*
411*0Sstevel@tonic-gate  * NFS Version 2 specific functions
412*0Sstevel@tonic-gate  */
413*0Sstevel@tonic-gate extern void	nfs_error(enum nfsstat);
414*0Sstevel@tonic-gate extern ssize_t	nfsread(struct nfs_file *, char *, size_t);
415*0Sstevel@tonic-gate extern int	nfsgetattr(struct nfs_file *, struct vattr *);
416*0Sstevel@tonic-gate extern int	nfsgetdents(struct nfs_file *, struct dirent *, unsigned);
417*0Sstevel@tonic-gate extern struct nfs_file *nfslookup(struct nfs_file *, char *, int *);
418*0Sstevel@tonic-gate extern int nfsgetsymlink(struct nfs_file *cfile, char **path);
419*0Sstevel@tonic-gate 
420*0Sstevel@tonic-gate /*
421*0Sstevel@tonic-gate  * NFS Version 3 specific functions
422*0Sstevel@tonic-gate  */
423*0Sstevel@tonic-gate extern void	nfs3_error(enum nfsstat3);
424*0Sstevel@tonic-gate extern ssize_t	nfs3read(struct nfs_file *, char *, size_t);
425*0Sstevel@tonic-gate extern int	nfs3getattr(struct nfs_file *, struct vattr *);
426*0Sstevel@tonic-gate extern int	nfs3getdents(struct nfs_file *, struct dirent *, unsigned);
427*0Sstevel@tonic-gate extern struct nfs_file *nfs3lookup(struct nfs_file *, char *, int *);
428*0Sstevel@tonic-gate extern int	nfs3getsymlink(struct nfs_file *, char **);
429*0Sstevel@tonic-gate 
430*0Sstevel@tonic-gate /*
431*0Sstevel@tonic-gate  * NFS Version 4 specific functions
432*0Sstevel@tonic-gate  */
433*0Sstevel@tonic-gate extern void	nfs4_error(enum nfsstat4);
434*0Sstevel@tonic-gate extern ssize_t	nfs4read(struct nfs_file *, char *, size_t);
435*0Sstevel@tonic-gate extern int	nfs4getattr(struct nfs_file *, struct vattr *);
436*0Sstevel@tonic-gate extern int	nfs4_getdents(struct nfs_file *, struct dirent *, unsigned);
437*0Sstevel@tonic-gate extern struct nfs_file *nfs4lookup(struct nfs_file *, char *, int *);
438*0Sstevel@tonic-gate extern struct nfs_file *nfs4lookupp(struct nfs_file *, int *, uint64_t *);
439*0Sstevel@tonic-gate extern int	nfs4getsymlink(struct nfs_file *, char **);
440*0Sstevel@tonic-gate extern void	compound_init(b_compound_t *, utf8string *, uint_t, uint_t,
441*0Sstevel@tonic-gate 				struct nfs_bfh4 *);
442*0Sstevel@tonic-gate 
443*0Sstevel@tonic-gate /*
444*0Sstevel@tonic-gate  * NFSv4 xdr ops
445*0Sstevel@tonic-gate  */
446*0Sstevel@tonic-gate extern bool_t	xdr_getattr4_args(XDR *, getattr4arg_t *);
447*0Sstevel@tonic-gate extern bool_t	xdr_getattr4_res(XDR *, getattr4res_t *);
448*0Sstevel@tonic-gate extern bool_t	xdr_lookup4_args(XDR *, lookup4arg_t *);
449*0Sstevel@tonic-gate extern bool_t	xdr_lookup4_res(XDR *, lookup4res_t *);
450*0Sstevel@tonic-gate extern bool_t	xdr_lookupp4_args(XDR *, lookupp4arg_t *);
451*0Sstevel@tonic-gate extern bool_t	xdr_read4_args(XDR *, read4arg_t *);
452*0Sstevel@tonic-gate extern bool_t	xdr_read4_res(XDR *, read4res_t *);
453*0Sstevel@tonic-gate extern bool_t	xdr_readdir4_args(XDR *, readdir4arg_t *);
454*0Sstevel@tonic-gate extern bool_t	xdr_readdir4_res(XDR *, readdir4res_t *);
455*0Sstevel@tonic-gate extern bool_t	xdr_readlink4_args(XDR *, readlink4arg_t *);
456*0Sstevel@tonic-gate extern bool_t	xdr_readlink4_res(XDR *, readlink4res_t *);
457*0Sstevel@tonic-gate 
458*0Sstevel@tonic-gate #ifdef	__cplusplus
459*0Sstevel@tonic-gate }
460*0Sstevel@tonic-gate #endif
461*0Sstevel@tonic-gate 
462*0Sstevel@tonic-gate #endif /* _NFS_INET_H */
463