2 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
3 * Copyright (c) 2013 Spectra Logic Corporation
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <fs/nfs/nfsport.h>
33 #include <nfs/nfs_fha.h>
34 #include <fs/nfs/xdr_subs.h>
35 #include <fs/nfs/nfs.h>
36 #include <fs/nfs/nfsproto.h>
37 #include <fs/nfs/nfsm_subs.h>
38 #include <fs/nfsserver/nfs_fha_new.h>
40 static void fhanew_init(void *foo);
41 static void fhanew_uninit(void *foo);
42 rpcproc_t fhanew_get_procnum(rpcproc_t procnum);
43 int fhanew_realign(struct mbuf **mb, int malloc_flags);
44 int fhanew_get_fh(uint64_t *fh, int v3, struct mbuf **md, caddr_t *dpos);
45 int fhanew_is_read(rpcproc_t procnum);
46 int fhanew_is_write(rpcproc_t procnum);
47 int fhanew_get_offset(struct mbuf **md, caddr_t *dpos, int v3,
48 struct fha_info *info);
49 int fhanew_no_offset(rpcproc_t procnum);
50 void fhanew_set_locktype(rpcproc_t procnum, struct fha_info *info);
51 static int fhenew_stats_sysctl(SYSCTL_HANDLER_ARGS);
53 static struct fha_params fhanew_softc;
55 SYSCTL_DECL(_vfs_nfsd);
57 extern int newnfs_nfsv3_procid[];
58 extern SVCPOOL *nfsrvd_pool;
60 SYSINIT(nfs_fhanew, SI_SUB_ROOT_CONF, SI_ORDER_ANY, fhanew_init, NULL);
61 SYSUNINIT(nfs_fhanew, SI_SUB_ROOT_CONF, SI_ORDER_ANY, fhanew_uninit, NULL);
64 fhanew_init(void *foo)
66 struct fha_params *softc;
68 softc = &fhanew_softc;
70 bzero(softc, sizeof(*softc));
73 * Setup the callbacks for this FHA personality.
75 softc->callbacks.get_procnum = fhanew_get_procnum;
76 softc->callbacks.realign = fhanew_realign;
77 softc->callbacks.get_fh = fhanew_get_fh;
78 softc->callbacks.is_read = fhanew_is_read;
79 softc->callbacks.is_write = fhanew_is_write;
80 softc->callbacks.get_offset = fhanew_get_offset;
81 softc->callbacks.no_offset = fhanew_no_offset;
82 softc->callbacks.set_locktype = fhanew_set_locktype;
83 softc->callbacks.fhe_stats_sysctl = fhenew_stats_sysctl;
85 snprintf(softc->server_name, sizeof(softc->server_name),
88 softc->pool = &nfsrvd_pool;
91 * Initialize the sysctl context list for the fha module.
93 sysctl_ctx_init(&softc->sysctl_ctx);
94 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
95 SYSCTL_STATIC_CHILDREN(_vfs_nfsd), OID_AUTO, "fha", CTLFLAG_RD,
97 if (softc->sysctl_tree == NULL) {
98 printf("%s: unable to allocate sysctl tree\n", __func__);
106 fhanew_uninit(void *foo)
108 struct fha_params *softc;
110 softc = &fhanew_softc;
116 fhanew_get_procnum(rpcproc_t procnum)
118 if (procnum > NFSV2PROC_STATFS)
121 return (newnfs_nfsv3_procid[procnum]);
125 fhanew_realign(struct mbuf **mb, int malloc_flags)
127 return (newnfs_realign(mb, malloc_flags));
131 fhanew_get_fh(uint64_t *fh, int v3, struct mbuf **md, caddr_t *dpos)
133 struct nfsrv_descript lnd, *nd;
147 NFSM_DISSECT_NONBLOCK(tl, uint32_t *, NFSX_UNSIGNED);
148 if ((len = fxdr_unsigned(int, *tl)) <= 0 || len > NFSX_FHMAX) {
158 NFSM_DISSECT_NONBLOCK(buf, uint8_t *, len);
159 for (i = 0; i < len; i++)
160 t ^= ((uint64_t)buf[i] << (i & 7) * 8);
172 fhanew_is_read(rpcproc_t procnum)
174 if (procnum == NFSPROC_READ)
181 fhanew_is_write(rpcproc_t procnum)
183 if (procnum == NFSPROC_WRITE)
190 fhanew_get_offset(struct mbuf **md, caddr_t *dpos, int v3,
191 struct fha_info *info)
193 struct nfsrv_descript lnd, *nd;
204 NFSM_DISSECT_NONBLOCK(tl, uint32_t *, 2 * NFSX_UNSIGNED);
205 info->offset = fxdr_hyper(tl);
207 NFSM_DISSECT_NONBLOCK(tl, uint32_t *, NFSX_UNSIGNED);
208 info->offset = fxdr_unsigned(uint32_t, *tl);
219 fhanew_no_offset(rpcproc_t procnum)
221 if (procnum == NFSPROC_FSSTAT ||
222 procnum == NFSPROC_FSINFO ||
223 procnum == NFSPROC_PATHCONF ||
224 procnum == NFSPROC_NOOP ||
225 procnum == NFSPROC_NULL)
232 fhanew_set_locktype(rpcproc_t procnum, struct fha_info *info)
236 case NFSPROC_GETATTR:
239 case NFSPROC_READLINK:
241 case NFSPROC_READDIR:
242 case NFSPROC_READDIRPLUS:
244 info->locktype = LK_SHARED;
246 case NFSPROC_SETATTR:
249 case NFSPROC_SYMLINK:
257 case NFSPROC_PATHCONF:
260 info->locktype = LK_EXCLUSIVE;
266 fhenew_stats_sysctl(SYSCTL_HANDLER_ARGS)
268 return (fhe_stats_sysctl(oidp, arg1, arg2, req, &fhanew_softc));
273 fhanew_assign(SVCTHREAD *this_thread, struct svc_req *req)
275 return (fha_assign(this_thread, req, &fhanew_softc));