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 * HPUX 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 #include "h/kern_sem.h"
24 extern struct timeval time;
25 #define osi_Time() (time.tv_sec)
27 #define AFS_UCRED ucred
28 #define AFS_PROC proc_t
30 #define osi_vnhold(avc, r) do { VN_HOLD(AFSTOV(avc)); } while(0)
31 #define gop_rdwr(rw,gp,base,len,offset,segflg,unit,aresid) \
32 vn_rdwr((rw),(gp),(base),(len),(offset),(segflg),(unit),(aresid),0)
33 #define gop_lookupname(fnamep,segflg,followlink,compvpp) \
34 lookupname((fnamep),(segflg),(followlink),NULL,(compvpp))
35 #define gop_lookupname_user(fnamep,segflg,followlink,compvpp) \
36 lookupname((fnamep),(segflg),(followlink),NULL,(compvpp))
40 #define osi_curcred() (p_cred(u.u_procp))
42 #define getpid() (afs_uint32)p_pid(u.u_procp)
44 #define getppid() (afs_uint32)p_ppid(u.u_procp)
48 * Global lock support.
50 * HP uses global mutex to protect afs land
53 #if !defined(AFS_HPUX110_ENV)
54 extern sema_t afs_global_sema;
56 extern b_sema_t afs_global_sema;
59 extern void osi_InitGlock(void);
61 #if !defined(AFS_HPUX110_ENV)
62 extern void afsHash(int nbuckets);
63 extern sv_sema_t *afsHashInsertFind(tid_t key);
64 extern sv_sema_t *afsHashFind(tid_t key);
65 extern void afsHashRelease(tid_t key);
67 #define AFS_GLOCK_PID kt_tid(u.u_kthreadp)
68 #define AFS_SAVE_SEMA afsHashInsertFind(AFS_GLOCK_PID)
69 #define AFS_FIND_SEMA afsHashFind(AFS_GLOCK_PID)
71 #define AFS_GLOCK() MP_PXSEMA(&afs_global_sema, AFS_SAVE_SEMA)
72 #define AFS_GUNLOCK() (AFS_ASSERT_GLOCK(), MP_VXSEMA(&afs_global_sema,AFS_FIND_SEMA), (!uniprocessor ? (afsHashRelease(AFS_GLOCK_PID),0) : 0))
73 #define ISAFS_GLOCK() (!uniprocessor ? owns_sema(&afs_global_sema):1)
76 #define AFS_GLOCK() b_psema(&afs_global_sema)
77 #define AFS_GUNLOCK() b_vsema(&afs_global_sema)
78 #define ISAFS_GLOCK() b_owns_sema(&afs_global_sema)
82 /* Uses splnet only in the SP case */
83 #define SPLVAR register ulong_t splvar
84 #define NETPRI NET_SPLNET(splvar)
85 #define USERPRI NET_SPLX(splvar)
88 #if !defined(AFS_HPUX110_ENV)
90 * On HP, the global lock is an alpha semaphore, hence it is automatically
91 * released and reacquired aroubd a sleep() and wakeup().
94 #define afs_osi_Sleep(x) sleep((caddr_t) x,PZERO-2)
97 * On 11.22 global lock is a beta semaphore, hence we need to
98 * release and reacquire around sllep and wakeup. We also need to
99 * use the get_sleep_lock.
100 * afs_osi_Sleep and afs_osi_Wakeup are defined
102 void afs_osi_Sleep(void *event);
103 int afs_osi_Wakeup(void *event);
106 #define osi_NullHandle(x) ((x)->proc == (caddr_t) 0)
108 #if !defined(AFS_HPUX110_ENV)
109 extern caddr_t kmem_alloc();
111 #if defined(AFS_HPUX1111_ENV)
112 #include <sys/kthread_iface.h> /* for kt_cred() */
115 /* Expected to be available as a patch from HP */
116 /* See section D of the top level README for details */
117 #if defined(AFS_HPUX110_ENV)
118 #include <sys/vfs_vm.h>
123 #endif /* _OSI_MACHDEP_H_ */