1 /* $FreeBSD: src/sys/nfs4client/nfs4_vfs_subs.c,v 1.5 2007/01/25 13:07:25 bde Exp $ */
2 /* $Id: nfs4_vfs_subs.c,v 1.5 2003/11/05 14:59:00 rees Exp $ */
3
4 /*-
5 * copyright (c) 2003
6 * the regents of the university of michigan
7 * all rights reserved
8 *
9 * permission is granted to use, copy, create derivative works and redistribute
10 * this software and such derivative works for any purpose, so long as the name
11 * of the university of michigan is not used in any advertising or publicity
12 * pertaining to the use or distribution of this software without specific,
13 * written prior authorization. if the above copyright notice or any other
14 * identification of the university of michigan is included in any copy of any
15 * portion of this software, then the disclaimer below must also be included.
16 *
17 * this software is provided as is, without representation from the university
18 * of michigan as to its fitness for any purpose, and without warranty by the
19 * university of michigan of any kind, either express or implied, including
20 * without limitation the implied warranties of merchantability and fitness for
21 * a particular purpose. the regents of the university of michigan shall not be
22 * liable for any damages, including special, indirect, incidental, or
23 * consequential damages, with respect to any claim arising out of or in
24 * connection with the use of the software, even if it has been or is hereafter
25 * advised of the possibility of such damages.
26 */
27
28 #include <sys/param.h>
29 #include <sys/systm.h>
30 #include <sys/kernel.h>
31 #include <sys/limits.h>
32 #include <sys/lock.h>
33 #include <sys/malloc.h>
34 #include <sys/mbuf.h>
35 #include <sys/module.h>
36 #include <sys/mount.h>
37 #include <sys/proc.h>
38 #include <sys/socket.h>
39 #include <sys/socketvar.h>
40 #include <sys/sockio.h>
41 #include <sys/vnode.h>
42
43 #include <vm/vm.h>
44 #include <vm/vm_extern.h>
45 #include <vm/uma.h>
46
47 #include <net/if.h>
48 #include <net/route.h>
49 #include <netinet/in.h>
50
51 #include <rpc/rpcclnt.h>
52
53 #include <nfs/rpcv2.h>
54 #include <nfs/nfsproto.h>
55 #include <nfsclient/nfs.h>
56 #include <nfsclient/nfsmount.h>
57 #include <nfs/xdr_subs.h>
58 #include <nfsclient/nfsm_subs.h>
59 #include <nfsclient/nfsdiskless.h>
60
61 /* NFSv4 */
62 #include <nfs4client/nfs4.h>
63 #include <nfs4client/nfs4m_subs.h>
64 #include <nfs4client/nfs4_vfs.h>
65
66 #include <nfsclient/nfsnode.h>
67
68 void
69 nfs4_vfsop_fsinfo(struct nfsv4_fattr *fap, struct nfsmount *nmp)
70 {
71 uint32_t max;
72
73 if (fap->fa4_valid & FA4V_FSID) {
74 nmp->nm_fsid.val[0] = fap->fa4_fsid_major;
75 nmp->nm_fsid.val[1] = fap->fa4_fsid_minor;
76 }
77 if (fap->fa4_valid & FA4V_MAXREAD) {
78 max = fap->fa4_maxread;
79 if (max < nmp->nm_rsize) {
80 nmp->nm_rsize = max & ~(NFS_FABLKSIZE - 1);
81 if (nmp->nm_rsize == 0)
82 nmp->nm_rsize = max;
83 }
84 if (max < nmp->nm_readdirsize) {
85 nmp->nm_readdirsize = max & ~(NFS_DIRBLKSIZ - 1);
86 if (nmp->nm_readdirsize == 0)
87 nmp->nm_readdirsize = max;
88 }
89 }
90 if (fap->fa4_valid & FA4V_MAXWRITE) {
91 max = fap->fa4_maxwrite;
92 if (max < nmp->nm_wsize) {
93 nmp->nm_wsize = max & ~(NFS_FABLKSIZE - 1);
94 if (nmp->nm_wsize == 0)
95 nmp->nm_wsize = max;
96 }
97 }
98 if (fap->fa4_valid & FA4V_LEASE_TIME)
99 nmp->nm_lease_time = fap->fa4_lease_time;
100
101 /* nmp->nm_flag |= NFSMNT_GOTFSINFO; */
102 }
103
104 void
105 nfs4_vfsop_statfs(struct nfsv4_fattr *fap, struct statfs *sbp, struct mount *mp)
106 {
107 struct nfsmount *nmp = VFSTONFS(mp);
108
109 sbp->f_iosize = nfs_iosize(nmp);
110 sbp->f_bsize = NFS_FABLKSIZE;
111
112 if (fap->fa4_valid & FA4V_FSID) {
113 sbp->f_fsid.val[0] = fap->fa4_fsid_major;
114 sbp->f_fsid.val[1] = fap->fa4_fsid_minor;
115 }
116
117 sbp->f_ffree = fap->fa4_valid & FA4V_FFREE ? fap->fa4_ffree : 0;
118 /* sbp->f_ftotal = fa->fa4_valid & FA4_FTOTAL ? fa->fa4_ftotal : 0; */
119 sbp->f_bavail = fap->fa4_valid & FA4V_SAVAIL ?
120 fap->fa4_savail / NFS_FABLKSIZE : 500000;
121 sbp->f_bfree = fap->fa4_valid & FA4V_SFREE ?
122 fap->fa4_sfree / NFS_FABLKSIZE : 500000;
123 sbp->f_blocks = fap->fa4_valid & FA4V_STOTAL ?
124 fap->fa4_stotal / NFS_FABLKSIZE : 1000000;
125 }
126
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