3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
23 *
24 * Copyright 2011, 2012 Nexenta Systems, Inc. All rights reserved.
25 * Copyright 2013 Joyent, Inc. All rights reserved.
26 */
27
28 /*
29 * This is the loadable module wrapper.
30 */
31 #include <sys/systm.h>
32 #include <sys/modctl.h>
33 #include <sys/syscall.h>
34 #include <sys/ddi.h>
35 #include <sys/cmn_err.h>
36
37 #include <nfs/nfs.h>
38 #include <nfs/nfs_clnt.h>
39 #include <nfs/nfs4.h>
40 #include <nfs/rnode4.h>
41
42 /*
43 * The global tag list.
44 */
45 ctag_t nfs4_ctags[] = NFS4_TAG_INITIALIZER;
46
47 /*
48 * The NFS Version 4 client VFS.
49 */
50 static vfsdef_t vfw4 = {
51 VFSDEF_VERSION,
52 "nfs4",
53 nfs4init,
54 VSW_CANREMOUNT|VSW_NOTZONESAFE|VSW_STATS,
55 NULL
56 };
57
58 struct modlfs modlfs4 = {
59 &mod_fsops,
60 "network filesystem version 4",
61 &vfw4
62 };
63
64 uint_t nfs4_max_transfer_size = 32 * 1024;
65 uint_t nfs4_max_transfer_size_cots = 1024 * 1024;
66 uint_t nfs4_max_transfer_size_rdma = 1024 * 1024;
67
68 int
69 nfs4tsize(void)
70 {
71 /*
72 * For the moment, just return nfs4_max_transfer_size until we
73 * can query the appropriate transport.
74 */
75 return (nfs4_max_transfer_size);
76 }
77
78 uint_t
79 nfs4_tsize(struct knetconfig *knp)
80 {
81
82 if (knp->knc_semantics == NC_TPI_COTS_ORD ||
83 knp->knc_semantics == NC_TPI_COTS)
84 return (nfs4_max_transfer_size_cots);
85 if (knp->knc_semantics == NC_TPI_RDMA)
86 return (nfs4_max_transfer_size_rdma);
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3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
24 * Copyright 2013 Joyent, Inc. All rights reserved.
25 */
26
27 /*
28 * This is the loadable module wrapper.
29 */
30 #include <sys/systm.h>
31 #include <sys/modctl.h>
32 #include <sys/syscall.h>
33 #include <sys/ddi.h>
34 #include <sys/cmn_err.h>
35
36 #include <nfs/nfs.h>
37 #include <nfs/nfs_clnt.h>
38 #include <nfs/nfs4.h>
39 #include <nfs/rnode4.h>
40
41 /*
42 * The global tag list.
43 */
44 ctag_t nfs4_ctags[] = NFS4_TAG_INITIALIZER;
45
46 /*
47 * The NFS Version 4 client VFS.
48 */
49 static vfsdef_t vfw4 = {
50 VFSDEF_VERSION,
51 "nfs4",
52 nfs4init,
53 VSW_CANREMOUNT|VSW_NOTZONESAFE|VSW_STATS,
54 NULL
55 };
56
57 struct modlfs modlfs4 = {
58 &mod_fsops,
59 "network filesystem version 4",
60 &vfw4
61 };
62
63 volatile uint_t nfs4_max_transfer_size = 32 * 1024;
64 volatile uint_t nfs4_max_transfer_size_cots = 1024 * 1024;
65 volatile uint_t nfs4_max_transfer_size_rdma = 1024 * 1024;
66
67 int
68 nfs4tsize(void)
69 {
70 /*
71 * For the moment, just return nfs4_max_transfer_size until we
72 * can query the appropriate transport.
73 */
74 return (nfs4_max_transfer_size);
75 }
76
77 uint_t
78 nfs4_tsize(struct knetconfig *knp)
79 {
80
81 if (knp->knc_semantics == NC_TPI_COTS_ORD ||
82 knp->knc_semantics == NC_TPI_COTS)
83 return (nfs4_max_transfer_size_cots);
84 if (knp->knc_semantics == NC_TPI_RDMA)
85 return (nfs4_max_transfer_size_rdma);
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