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805e021f CE |
1 | /* |
2 | * Copyright 2000, International Business Machines Corporation and others. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * This software has been released under the terms of the IBM Public | |
6 | * License. For details, see the LICENSE file in the top-level source | |
7 | * directory or online at http://www.openafs.org/dl/license10.html | |
8 | */ | |
9 | ||
10 | /* | |
11 | * | |
12 | * OpenBSD OSI header file. Extends afs_osi.h. | |
13 | * | |
14 | * afs_osi.h includes this file, which is the only way this file should | |
15 | * be included in a source file. This file can redefine macros declared in | |
16 | * afs_osi.h. | |
17 | */ | |
18 | ||
19 | /* $Id$ */ | |
20 | ||
21 | #ifndef _OSI_MACHDEP_H_ | |
22 | #define _OSI_MACHDEP_H_ | |
23 | ||
24 | #include <sys/lock.h> | |
25 | ||
26 | #if defined(M_IP6OPT) | |
27 | #define M_AFSFID (M_IP6OPT-1) | |
28 | #else | |
29 | #define M_AFSFID (M_TEMP-1) | |
30 | #endif | |
31 | ||
32 | #define M_AFSBUFHDR (M_AFSFID-1) | |
33 | #define M_AFSBUFFER (M_AFSFID-2) | |
34 | #define M_AFSGENERIC (M_AFSFID-3) | |
35 | ||
36 | /* vfs */ | |
37 | #define osi_vfs mount | |
38 | #define osi_vfs_bsize mnt_stat.f_bsize | |
39 | #define osi_vfs_fsid mnt_stat.f_fsid | |
40 | #define vfs_bsize mnt_stat.f_bsize | |
41 | #define vfs_fsid mnt_stat.f_fsid | |
42 | #define vfs_vnodecovered mnt_vnodecovered | |
43 | #define v_vfsp v_mount | |
44 | ||
45 | /* vnode */ | |
46 | #define VN_HOLD(vp) afs_vget((vp), 0) | |
47 | #define VN_RELE(vp) vrele(vp) | |
48 | #define osi_vnhold(avc, r) afs_vget(AFSTOV(avc), 0) | |
49 | #define va_nodeid va_fileid | |
50 | #define vnode_t struct vnode | |
51 | ||
52 | /* uio */ | |
53 | #define afsio_iov uio_iov | |
54 | #define afsio_iovcnt uio_iovcnt | |
55 | #define afsio_offset uio_offset | |
56 | #define afsio_resid uio_resid | |
57 | #define afsio_seg uio_segflg | |
58 | #define AFS_UIOSYS UIO_SYSSPACE | |
59 | #define AFS_UIOUSER UIO_USERSPACE | |
60 | ||
61 | /* malloc */ | |
62 | inline void afs_osi_Free(void *buf, size_t asize); | |
63 | inline void afs_osi_FreeStr(char *x); | |
64 | extern void *osi_obsd_Alloc(size_t asize, int cansleep); | |
65 | extern void osi_obsd_Free(void *p, size_t asize); | |
66 | ||
67 | #ifdef AFS_KALLOC | |
68 | #undef AFS_KALLOC | |
69 | #endif | |
70 | #define AFS_KALLOC(s) osi_obsd_Alloc((s), 1 /* cansleep */) | |
71 | ||
72 | #ifdef AFS_KFREE | |
73 | #undef AFS_KFREE | |
74 | #endif | |
75 | #define AFS_KFREE(p, s) (osi_obsd_Free((p), (s))) | |
76 | ||
77 | #ifdef AFS_OBSD42_ENV | |
78 | /* removed, live with it */ | |
79 | #define BSD_KMALLOC(p, ptype, msize, mtype, mflags) \ | |
80 | (p) = malloc((msize), (mtype), (mflags)) | |
81 | ||
82 | #define BSD_KFREE(p, mflags) \ | |
83 | free((p), (mflags)) | |
84 | #else | |
85 | #define BSD_KMALLOC MALLOC | |
86 | #define BSD_KFREE FREE | |
87 | #endif /* AFS_OBSD42_ENV */ | |
88 | ||
89 | /* proc, cred */ | |
90 | typedef struct proc afs_proc_t; | |
91 | typedef struct ucred afs_ucred_t; | |
92 | ||
93 | #define afs_suser(x) afs_osi_suser(osi_curcred()) | |
94 | #define getpid() curproc | |
95 | #define osi_curcred() (curproc->p_cred->pc_ucred) | |
96 | #define osi_curproc() curproc | |
97 | #define p_rcred p_ucred | |
98 | ||
99 | /* time */ | |
100 | #define afs_hz hz | |
101 | #define osi_GetTime(x) microtime(x) | |
102 | extern time_t osi_Time(); | |
103 | ||
104 | /* str */ | |
105 | #define afs_strcasecmp(s1, s2) strncasecmp((s1), (s2), 65535) | |
106 | #ifdef AFS_OBSD34_ENV | |
107 | #define strcpy(s1, s2) afs_strcpy((s1), (s2)) | |
108 | #define strcat(s1, s2) afs_strcat((s1), (s2)) | |
109 | #else | |
110 | #define afs_strcat(s1, s2) strcat((s1), (s2)) | |
111 | #endif | |
112 | ||
113 | /* other */ | |
114 | #define afs_bufferpages bufpages | |
115 | #ifndef iodone | |
116 | #define iodone biodone | |
117 | #endif | |
118 | #define printk printf /* for RX version of xdr_* */ | |
119 | #define setgroups sys_setgroups | |
120 | #define UVM | |
121 | ||
122 | /* This is not always in scope yet */ | |
123 | struct vcache; | |
124 | ||
125 | extern int afs_obsd_lookupname(char *fnamep, enum uio_seg segflg, | |
126 | int followlink, struct vnode **compvpp); | |
127 | extern void afs_obsd_getnewvnode(struct vcache *tvc); | |
128 | extern void *afs_obsd_Alloc(size_t asize); | |
129 | extern void afs_obsd_Free(void *p, size_t asize); | |
130 | extern int afs_vget(); | |
131 | ||
132 | #undef gop_lookupname | |
133 | #define gop_lookupname(fnamep, segflg, followlink, compvpp) \ | |
134 | afs_obsd_lookupname((fnamep), (segflg), (followlink), (compvpp)) | |
135 | ||
136 | #undef gop_lookupname_user | |
137 | #define gop_lookupname_user(fnamep, segflg, followlink, compvpp) \ | |
138 | afs_obsd_lookupname((fnamep), (segflg), (followlink), (compvpp)) | |
139 | ||
140 | #ifdef AFS_OBSD39_ENV | |
141 | #define afs_osi_lockmgr(l, f, i, p) lockmgr((l), (f), (i)) | |
142 | #else | |
143 | #define afs_osi_lockmgr(l, f, i, p) lockmgr((l), (f), (i), (p)) | |
144 | #endif | |
145 | ||
146 | #ifdef AFS_OBSD44_ENV | |
147 | /* Revert to classical, BSD locks */ | |
148 | ||
149 | extern struct lock afs_global_lock; | |
150 | extern struct proc *afs_global_owner; | |
151 | ||
152 | # ifdef AFS_GLOBAL_SUNLOCK | |
153 | ||
154 | # if defined(LOCKDEBUG) | |
155 | ||
156 | # define AFS_GLOCK() \ | |
157 | do { \ | |
158 | _lockmgr(&afs_global_lock, LK_EXCLUSIVE, NULL, __FILE__, __LINE__); \ | |
159 | } while(0); | |
160 | # define AFS_GUNLOCK() \ | |
161 | do { \ | |
162 | _lockmgr(&afs_global_lock, LK_RELEASE, NULL, __FILE__, __LINE__); \ | |
163 | } while(0); | |
164 | ||
165 | # else /* LOCKDEBUG */ | |
166 | ||
167 | # define AFS_GLOCK() \ | |
168 | do { \ | |
169 | lockmgr(&afs_global_lock, LK_EXCLUSIVE, NULL); \ | |
170 | } while(0); | |
171 | # define AFS_GUNLOCK() \ | |
172 | do { \ | |
173 | lockmgr(&afs_global_lock, LK_RELEASE, NULL); \ | |
174 | } while(0); | |
175 | # endif /* LOCKDEBUG */ | |
176 | # define ISAFS_GLOCK() (lockstatus(&afs_global_lock) == LK_EXCLUSIVE) | |
177 | # else /* AFS_GLOBAL_SUNLOCK */ | |
178 | extern struct lock afs_global_lock; | |
179 | # define AFS_GLOCK() | |
180 | # define AFS_GUNLOCK() | |
181 | # define AFS_ASSERT_GLOCK() | |
182 | # define ISAFS_GLOCK() 1 | |
183 | # endif | |
184 | ||
185 | #else /* AFS_OBSD44_ENV */ | |
186 | /* I don't see doing locks this way for older kernels, either, | |
187 | * but, smart folks wrote this | |
188 | */ | |
189 | #define AFS_GLOCK() AFS_GLOCKP(curproc) | |
190 | #define AFS_GUNLOCK() AFS_GUNLOCKP(curproc) | |
191 | # ifdef AFS_GLOBAL_SUNLOCK | |
192 | extern struct proc *afs_global_owner; | |
193 | extern struct lock afs_global_lock; | |
194 | # define AFS_GLOCKP(p) \ | |
195 | do { \ | |
196 | osi_Assert(p); \ | |
197 | afs_osi_lockmgr(&afs_global_lock, LK_EXCLUSIVE, 0, (p)); \ | |
198 | osi_Assert(afs_global_owner == NULL); \ | |
199 | afs_global_owner = (p); \ | |
200 | } while (0) | |
201 | # define AFS_GUNLOCKP(p) \ | |
202 | do { \ | |
203 | osi_Assert(p); \ | |
204 | osi_Assert(afs_global_owner == (p)); \ | |
205 | afs_global_owner = NULL; \ | |
206 | afs_osi_lockmgr(&afs_global_lock, LK_RELEASE, 0, (p)); \ | |
207 | } while(0) | |
208 | # define ISAFS_GLOCK() (afs_global_owner == curproc && curproc) | |
209 | # else /* AFS_GLOBAL_SUNLOCK */ | |
210 | extern struct lock afs_global_lock; | |
211 | # define AFS_GLOCKP(p) | |
212 | # define AFS_GUNLOCKP(p) | |
213 | # define AFS_ASSERT_GLOCK() | |
214 | # define ISAFS_GLOCK() 1 | |
215 | # endif | |
216 | ||
217 | #endif /* AFS_OBSD44_ENV */ | |
218 | ||
219 | #undef SPLVAR | |
220 | #define SPLVAR int splvar | |
221 | #undef NETPRI | |
222 | #define NETPRI splvar=splnet() | |
223 | #undef USERPRI | |
224 | #define USERPRI splx(splvar) | |
225 | ||
226 | #define osi_InitGlock() \ | |
227 | do { \ | |
228 | lockinit(&afs_global_lock, PLOCK, "afs global lock", 0, 0); \ | |
229 | afs_global_owner = 0; \ | |
230 | } while (0) | |
231 | ||
232 | /* vnodes */ | |
233 | #if defined(AFS_OBSD49_ENV) | |
234 | extern struct vops afs_vops; | |
235 | #define IsAfsVnode(v) ((v)->v_op == &afs_vops) | |
236 | #else | |
237 | extern int (**afs_vnodeop_p) (); | |
238 | #define IsAfsVnode(v) ((v)->v_op == afs_vnodeop_p) | |
239 | #endif | |
240 | #define vType(vc) AFSTOV(vc)->v_type | |
241 | #define vSetVfsp(vc, vfsp) AFSTOV(vc)->v_mount = (vfsp) | |
242 | #define vSetType(vc, type) AFSTOV(vc)->v_type = (type) | |
243 | #define SetAfsVnode(v) /* nothing; done in getnewvnode() */ | |
244 | ||
245 | #define osi_procname(procname, size) strncpy(procname, curproc->p_comm, size) | |
246 | ||
247 | #endif /* _OSI_MACHDEP_H_ */ |