2 * Copyright 2000, International Business Machines Corporation and others.
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
11 * MACOS OSI header file. Extends afs_osi.h.
13 * afs_osi.h includes this file, which is the only way this file should
14 * be included in a source file. This file can redefine macros declared in
18 #ifndef _OSI_MACHDEP_H_
19 #define _OSI_MACHDEP_H_
21 #ifdef XAFS_DARWIN_ENV
24 typedef unsigned short etap_event_t;
28 #ifdef AFS_DARWIN80_ENV
29 #include <kern/locks.h>
30 #include <sys/mount.h>
35 #include <sys/vnode.h>
37 #include <sys/kauth.h>
38 #include <kern/thread.h>
40 #ifdef AFS_DARWIN80_ENV
41 #define vop_proc vfs_context_proc(ap->a_context)
42 #define vop_cred vfs_context_ucred(ap->a_context)
43 #define cn_proc(cnp) vfs_context_proc(ap->a_context)
44 #define cn_cred(cnp) vfs_context_ucred(ap->a_context)
45 #define vop_cn_proc vfs_context_proc(ap->a_context)
46 #define vop_cn_cred vfs_context_ucred(ap->a_context)
47 #define getpid() proc_selfpid()
48 #define getppid() proc_selfppid()
50 #define vop_proc ap->a_p
51 #define vop_cred ap->a_cred
52 #define cn_proc(cnp) (cnp)->cn_proc
53 #define cn_cred(cnp) (cnp)->cn_cred
54 #define vop_cn_proc cn_proc(ap->a_cnp)
55 #define vop_cn_cred cn_cred(ap->a_cnp)
56 #define getpid() current_proc()->p_pid
57 #define getppid() current_proc()->p_pptr->p_pid
60 #define gop_lookupname osi_lookupname
61 #undef gop_lookupname_user
62 #define gop_lookupname_user osi_lookupname_user
66 /* vcexcl - used only by afs_create */
67 enum vcexcl { EXCL, NONEXCL };
69 #ifndef AFS_DARWIN80_ENV
70 #define vnode_clearfsnode(x) ((x)->v_data = 0)
71 #define vnode_fsnode(x) (x)->v_data
72 #define vnode_lock(x) vn_lock(x, LK_EXCLUSIVE | LK_RETRY, current_proc())
73 #define vnode_isvroot(x) (((x)->v_flag & VROOT)?1:0)
74 #define vnode_vtype(x) (x)->v_type
75 #define vnode_isdir(x) ((x)->v_type == VDIR)
77 #define vfs_flags(x) (x)->v_flags
78 #define vfs_setflags(x, y) (x)->mnt_flag |= (y)
79 #define vfs_clearflags(x, y) (x)->mnt_flag &= (~(y))
80 #define vfs_isupdate(x) ((x)->mnt_flag & MNT_UPDATE)
81 #define vfs_fsprivate(x) (x)->mnt_data
82 #define vfs_setfsprivate(x,y) (x)->mnt_data = (y)
83 #define vfs_typenum(x) (x)->mnt_vfc->vfc_typenum
86 #ifdef AFS_DARWIN80_ENV
87 #define vrele vnode_rele
88 #define vput vnode_rele
89 #define vref vnode_ref
90 #define vattr vnode_attr
92 #define va_size va_data_size
93 #define va_atime va_access_time
94 #define va_mtime va_modify_time
95 #define va_ctime va_change_time
96 #define va_bytes va_total_alloc
97 #define va_blocksize va_iosize
98 #define va_nodeid va_fileid
100 #define crref kauth_cred_get_with_ref
101 #define crhold kauth_cred_ref
102 #ifdef AFS_DARWIN100_ENV
103 #define crfree(X) kauth_cred_unref(&X)
105 #define crfree kauth_cred_rele
107 #define crdup kauth_cred_dup
108 #ifdef AFS_DARWIN100_ENV
109 #define ubc_msync_range(X,Y,Z,A) ubc_msync(X,Y,Z,NULL,A)
111 #define ubc_msync_range(X,Y,Z,A) ubc_sync_range(X,Y,Z,A)
113 extern vfs_context_t afs_osi_ctxtp;
114 extern int afs_osi_ctxtp_initialized;
116 extern u_int32_t afs_darwin_realmodes;
117 extern u_int32_t afs_darwin_fsevents;
120 * Time related macros
122 #ifdef AFS_DARWIN80_ENV
123 static inline time_t osi_Time(void) {
129 #define osi_Time() (time.tv_sec)
132 #ifdef AFS_DARWIN80_ENV
136 typedef struct ucred afs_ucred_t;
137 typedef struct proc afs_proc_t;
139 #define VN_HOLD(vp) darwin_vn_hold(vp)
140 #define VN_RELE(vp) vrele(vp)
142 void darwin_vn_hold(struct vnode *vp);
144 #define gop_rdwr(rw,gp,base,len,offset,segflg,unit,cred,aresid) \
145 vn_rdwr((rw),(gp),(base),(len),(offset),(segflg),(unit),(cred),(aresid),current_proc())
149 extern thread_t afs_global_owner;
150 /* simple locks cannot be used since sleep can happen at any time */
151 #ifdef AFS_DARWIN80_ENV
152 /* mach locks still don't have an exported try, but we are forced to use them */
153 extern lck_mtx_t *afs_global_lock;
154 #define AFS_GLOCK() \
156 osi_Assert(afs_global_owner != current_thread()); \
157 lck_mtx_lock(afs_global_lock); \
158 osi_Assert(afs_global_owner == 0); \
159 afs_global_owner = current_thread(); \
161 #define AFS_GUNLOCK() \
163 osi_Assert(afs_global_owner == current_thread()); \
164 afs_global_owner = 0; \
165 lck_mtx_unlock(afs_global_lock); \
167 #define osi_InitGlock() \
169 afs_global_owner = 0; \
172 /* Should probably use mach locks rather than bsd locks, since we use the
173 mach thread control api's elsewhere (mach locks not used for consistency
174 with rx, since rx needs lock_write_try() in order to use mach locks
176 extern struct lock__bsd__ afs_global_lock;
177 #define AFS_GLOCK() \
179 lockmgr(&afs_global_lock, LK_EXCLUSIVE, 0, current_proc()); \
180 osi_Assert(afs_global_owner == 0); \
181 afs_global_owner = current_thread(); \
183 #define AFS_GUNLOCK() \
185 osi_Assert(afs_global_owner == current_thread()); \
186 afs_global_owner = 0; \
187 lockmgr(&afs_global_lock, LK_RELEASE, 0, current_proc()); \
189 #define osi_InitGlock() \
191 lockinit(&afs_global_lock, PLOCK, "afs global lock", 0, 0); \
192 afs_global_owner = 0; \
195 #define ISAFS_GLOCK() (afs_global_owner == current_thread())
200 #define AFS_APPL_UFS_CACHE 1
201 #define AFS_APPL_HFS_CACHE 2
202 #define AFS_APPL_APFS_CACHE 3
204 extern ino_t VnodeToIno(vnode_t avp);
205 extern dev_t VnodeToDev(vnode_t vp);
206 extern int igetinode(mount_t vfsp, dev_t dev , ino_t inode, vnode_t *vpp,
207 struct vattr *va, int *perror);
209 #define osi_curproc() current_proc()
212 #define osi_curcred() &afs_osi_cred
214 #ifdef AFS_DARWIN80_ENV
215 # define afsio_free(X) uio_free(X)
216 # define afsio_setoffset(X, Y) uio_setoffset(X, Y)
217 # define uprintf printf
220 /* Vnode related macros */
222 #if defined(AFS_DARWIN80_ENV)
223 extern int afs_vfs_typenum;
224 # define vType(vc) vnode_vtype(AFSTOV(vc))
225 # define vSetVfsp(vc, vfsp)
226 # define vSetType(vc, type) (vc)->f.m.Type = (type)
227 # define SetAfsVnode(vn) /* nothing; done in getnewvnode() */
228 # define IsAfsVnode(v) (vfs_typenum(vnode_mount((v))) == afs_vfs_typenum)
230 extern int (**afs_vnodeop_p) ();
231 # define vType(vc) AFSTOV(vc)->v_type
232 # define vSetVfsp(vc, vfsp) AFSTOV(vc)->v_mount = (vfsp)
233 # define vSetType(vc, type) AFSTOV(vc)->v_type = (type)
234 # define IsAfsVnode(v) ((v)->v_op == afs_vnodeop_p)
235 # define SetAfsVnode(v) /* nothing; done in getnewvnode() */
238 #ifdef AFS_DARWIN80_ENV
239 #define osi_procname(procname, size) proc_selfname(procname, size)
241 #define osi_procname(procname, size) strncpy(procname, curproc->p_comm, size)
244 #endif /* _OSI_MACHDEP_H_ */