proc->thread stage 4: rework the VFS and DEVICE subsystems to take thread
[dragonfly.git] / sys / emulation / ibcs2 / i386 / ibcs2_stat.c
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1/*
2 * Copyright (c) 1995 Scott Bartram
3 * Copyright (c) 1995 Steven Wallace
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: src/sys/i386/ibcs2/ibcs2_stat.c,v 1.10 1999/12/15 23:01:45 eivind Exp $
dadab5e9 29 * $DragonFly: src/sys/emulation/ibcs2/i386/Attic/ibcs2_stat.c,v 1.4 2003/06/25 03:55:53 dillon Exp $
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30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
984263bc 34#include <sys/file.h>
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35#include <sys/proc.h>
36#include <sys/namei.h>
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37#include <sys/stat.h>
38#include <sys/filedesc.h>
39#include <sys/kernel.h>
40#include <sys/mount.h>
41#include <sys/vnode.h>
42#include <sys/sysctl.h>
43#include <sys/sysproto.h>
44
45#include <i386/ibcs2/ibcs2_signal.h>
46#include <i386/ibcs2/ibcs2_stat.h>
47#include <i386/ibcs2/ibcs2_statfs.h>
48#include <i386/ibcs2/ibcs2_proto.h>
49#include <i386/ibcs2/ibcs2_util.h>
50#include <i386/ibcs2/ibcs2_utsname.h>
51
52#include <vm/vm_zone.h>
53
54static void bsd_stat2ibcs_stat __P((struct stat *, struct ibcs2_stat *));
55static int cvt_statfs __P((struct statfs *, caddr_t, int));
56
57static void
58bsd_stat2ibcs_stat(st, st4)
59 struct stat *st;
60 struct ibcs2_stat *st4;
61{
62 bzero(st4, sizeof(*st4));
63 st4->st_dev = (ibcs2_dev_t)st->st_dev;
64 st4->st_ino = (ibcs2_ino_t)st->st_ino;
65 st4->st_mode = (ibcs2_mode_t)st->st_mode;
66 st4->st_nlink= (ibcs2_nlink_t)st->st_nlink;
67 st4->st_uid = (ibcs2_uid_t)st->st_uid;
68 st4->st_gid = (ibcs2_gid_t)st->st_gid;
69 st4->st_rdev = (ibcs2_dev_t)st->st_rdev;
70 if (st->st_size < (quad_t)1 << 32)
71 st4->st_size = (ibcs2_off_t)st->st_size;
72 else
73 st4->st_size = -2;
74 st4->st_atim = (ibcs2_time_t)st->st_atime;
75 st4->st_mtim = (ibcs2_time_t)st->st_mtime;
76 st4->st_ctim = (ibcs2_time_t)st->st_ctime;
77}
78
79static int
80cvt_statfs(sp, buf, len)
81 struct statfs *sp;
82 caddr_t buf;
83 int len;
84{
85 struct ibcs2_statfs ssfs;
86
87 bzero(&ssfs, sizeof ssfs);
88 ssfs.f_fstyp = 0;
89 ssfs.f_bsize = sp->f_bsize;
90 ssfs.f_frsize = 0;
91 ssfs.f_blocks = sp->f_blocks;
92 ssfs.f_bfree = sp->f_bfree;
93 ssfs.f_files = sp->f_files;
94 ssfs.f_ffree = sp->f_ffree;
95 ssfs.f_fname[0] = 0;
96 ssfs.f_fpack[0] = 0;
97 return copyout((caddr_t)&ssfs, buf, len);
98}
99
100int
41c20dac 101ibcs2_statfs(struct ibcs2_statfs_args *uap)
984263bc 102{
dadab5e9 103 struct thread *td = curthread; /* XXX */
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104 struct mount *mp;
105 struct statfs *sp;
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106 int error;
107 struct nameidata nd;
108 caddr_t sg = stackgap_init();
109
41c20dac 110 CHECKALTEXIST(&sg, SCARG(uap, path));
dadab5e9 111 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), td);
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112 if ((error = namei(&nd)) != 0)
113 return (error);
114 NDFREE(&nd, NDF_ONLY_PNBUF);
115 mp = nd.ni_vp->v_mount;
116 sp = &mp->mnt_stat;
117 vrele(nd.ni_vp);
dadab5e9 118 if ((error = VFS_STATFS(mp, sp, td)) != 0)
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119 return (error);
120 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
121 return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len));
122}
123
124int
41c20dac 125ibcs2_fstatfs(struct ibcs2_fstatfs_args *uap)
984263bc 126{
dadab5e9 127 struct thread *td = curthread; /* XXX */
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128 struct file *fp;
129 struct mount *mp;
130 register struct statfs *sp;
131 int error;
132
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133 KKASSERT(td->td_proc);
134 if ((error = getvnode(td->td_proc->p_fd, SCARG(uap, fd), &fp)) != 0)
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135 return (error);
136 mp = ((struct vnode *)fp->f_data)->v_mount;
137 sp = &mp->mnt_stat;
dadab5e9 138 if ((error = VFS_STATFS(mp, sp, td)) != 0)
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139 return (error);
140 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
141 return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len));
142}
143
144int
41c20dac 145ibcs2_stat(struct ibcs2_stat_args *uap)
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146{
147 struct stat st;
148 struct ibcs2_stat ibcs2_st;
149 struct stat_args cup;
150 int error;
151 caddr_t sg = stackgap_init();
152
41c20dac 153 CHECKALTEXIST(&sg, SCARG(uap, path));
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154 SCARG(&cup, path) = SCARG(uap, path);
155 SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st));
156
41c20dac 157 if ((error = stat(&cup)) != 0)
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158 return error;
159
160 if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0)
161 return error;
162 bsd_stat2ibcs_stat(&st, &ibcs2_st);
163 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
164 ibcs2_stat_len);
165}
166
167int
41c20dac 168ibcs2_lstat(struct ibcs2_lstat_args *uap)
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169{
170 struct stat st;
171 struct ibcs2_stat ibcs2_st;
172 struct lstat_args cup;
173 int error;
174 caddr_t sg = stackgap_init();
175
41c20dac 176 CHECKALTEXIST(&sg, SCARG(uap, path));
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177 SCARG(&cup, path) = SCARG(uap, path);
178 SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st));
179
41c20dac 180 if ((error = lstat(&cup)) != 0)
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181 return error;
182
183 if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0)
184 return error;
185 bsd_stat2ibcs_stat(&st, &ibcs2_st);
186 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
187 ibcs2_stat_len);
188}
189
190int
41c20dac 191ibcs2_fstat(struct ibcs2_fstat_args *uap)
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192{
193 struct stat st;
194 struct ibcs2_stat ibcs2_st;
195 struct fstat_args cup;
196 int error;
197 caddr_t sg = stackgap_init();
198
199 SCARG(&cup, fd) = SCARG(uap, fd);
200 SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(st));
201
41c20dac 202 if ((error = fstat(&cup)) != 0)
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203 return error;
204
205 if ((error = copyin(SCARG(&cup, sb), &st, sizeof(st))) != 0)
206 return error;
207 bsd_stat2ibcs_stat(&st, &ibcs2_st);
208 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
209 ibcs2_stat_len);
210}
211
212int
41c20dac 213ibcs2_utssys(struct ibcs2_utssys_args *uap)
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214{
215 switch (SCARG(uap, flag)) {
216 case 0: /* uname(2) */
217 {
218 char machine_name[9], *p;
219 struct ibcs2_utsname sut;
220 bzero(&sut, ibcs2_utsname_len);
221
222 strncpy(sut.sysname,
223 IBCS2_UNAME_SYSNAME, sizeof(sut.sysname) - 1);
224 strncpy(sut.release,
225 IBCS2_UNAME_RELEASE, sizeof(sut.release) - 1);
226 strncpy(sut.version,
227 IBCS2_UNAME_VERSION, sizeof(sut.version) - 1);
228 strncpy(machine_name, hostname, sizeof(machine_name) - 1);
229 machine_name[sizeof(machine_name) - 1] = 0;
230 p = index(machine_name, '.');
231 if ( p )
232 *p = '\0';
233 strncpy(sut.nodename, machine_name, sizeof(sut.nodename) - 1);
234 strncpy(sut.machine, machine, sizeof(sut.machine) - 1);
235
236 DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n",
237 sut.sysname, sut.release, sut.version, sut.nodename,
238 sut.machine));
239 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, a1),
240 ibcs2_utsname_len);
241 }
242
243 case 2: /* ustat(2) */
244 {
245 return ENOSYS; /* XXX - TODO */
246 }
247
248 default:
249 return ENOSYS;
250 }
251}