[hcoop/debian/openafs.git] / src / afs / HPUX / osi_machdep.h


/*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 *
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */

/*
 * HPUX OSI header file. Extends afs_osi.h.
 *
 * afs_osi.h includes this file, which is the only way this file should
 * be included in a source file. This file can redefine macros declared in
 * afs_osi.h.
 */

#ifndef _OSI_MACHDEP_H_
#define _OSI_MACHDEP_H_

#include "h/kern_sem.h"
#include "h/proc_iface.h"

#define	afs_hz	    hz
extern struct timeval time;
#define osi_Time() (time.tv_sec)

typedef struct ucred afs_ucred_t;
typedef proc_t afs_proc_t;

#define osi_vnhold(avc, r)  do { VN_HOLD(AFSTOV(avc)); } while(0)
#define gop_rdwr(rw,gp,base,len,offset,segflg,unit,aresid) \
  vn_rdwr((rw),(gp),(base),(len),(offset),(segflg),(unit),(aresid),0)
#define gop_lookupname(fnamep,segflg,followlink,compvpp) \
  lookupname((fnamep),(segflg),(followlink),NULL,(compvpp))
#define gop_lookupname_user(fnamep,segflg,followlink,compvpp) \
  lookupname((fnamep),(segflg),(followlink),NULL,(compvpp))

#undef	afs_suser

#define osi_curcred()		(p_cred(u.u_procp))

#define getpid()                (afs_uint32)p_pid(u.u_procp)

#define getppid()               (afs_uint32)p_ppid(u.u_procp)

/*
 * Global lock support.
 *
 * HP uses global mutex to protect afs land
 */

#if !defined(AFS_HPUX110_ENV)
extern sema_t afs_global_sema;
#else
extern b_sema_t afs_global_sema;
#endif

extern void osi_InitGlock(void);

#if !defined(AFS_HPUX110_ENV)
extern void afsHash(int nbuckets);
extern sv_sema_t *afsHashInsertFind(tid_t key);
extern sv_sema_t *afsHashFind(tid_t key);
extern void afsHashRelease(tid_t key);

#define AFS_GLOCK_PID   kt_tid(u.u_kthreadp)
#define AFS_SAVE_SEMA   afsHashInsertFind(AFS_GLOCK_PID)
#define AFS_FIND_SEMA   afsHashFind(AFS_GLOCK_PID)

#define AFS_GLOCK()     MP_PXSEMA(&afs_global_sema, AFS_SAVE_SEMA)
#define AFS_GUNLOCK()   (AFS_ASSERT_GLOCK(), MP_VXSEMA(&afs_global_sema,AFS_FIND_SEMA), (!uniprocessor ? (afsHashRelease(AFS_GLOCK_PID),0) : 0))
#define ISAFS_GLOCK()   (!uniprocessor ? owns_sema(&afs_global_sema):1)

#else
#define AFS_GLOCK()  b_psema(&afs_global_sema)
#define AFS_GUNLOCK() b_vsema(&afs_global_sema)
#define ISAFS_GLOCK() b_owns_sema(&afs_global_sema)

#endif

/* Uses splnet only in the SP case */
#define SPLVAR      ulong_t splvar
#define NETPRI      NET_SPLNET(splvar)
#define USERPRI     NET_SPLX(splvar)

#if !defined(AFS_HPUX110_ENV)
/*
 * On HP, the global lock is an alpha semaphore, hence it is automatically
 * released and reacquired aroubd a sleep() and wakeup().
 */

#define	afs_osi_Sleep(x)	sleep((caddr_t) x,PZERO-2)
#else
/*
 * On 11.22 global lock is a beta semaphore, hence we need to
 * release and reacquire around sllep and wakeup. We also need to
 * use the get_sleep_lock.
 * afs_osi_Sleep and afs_osi_Wakeup are defined
 */
void afs_osi_Sleep(void *event);
int afs_osi_Wakeup(void *event);
#endif

#define	osi_NullHandle(x)	((x)->proc == (caddr_t) 0)

#if !defined(AFS_HPUX110_ENV)
extern caddr_t kmem_alloc();
#endif
#if defined(AFS_HPUX1111_ENV)
#include <sys/kthread_iface.h>	/* for kt_cred() */
#endif

/* Expected to be available as a patch from HP */
/* See section D of the top level README for details */
#if defined(AFS_HPUX110_ENV)
#include <sys/vfs_vm.h>
#else
#include <vfs_vm.h>
#endif

#define osi_procname(procname, size) strncpy(procname, "", size)

#endif /* _OSI_MACHDEP_H_ */
Commit	Line	Data
805e021f CE	1
	2	/*
	3	* Copyright 2000, International Business Machines Corporation and others.
	4	* All Rights Reserved.
	5	*
	6	* This software has been released under the terms of the IBM Public
	7	* License. For details, see the LICENSE file in the top-level source
	8	* directory or online at http://www.openafs.org/dl/license10.html
	9	*/
	10
	11	/*
	12	* HPUX 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	#ifndef _OSI_MACHDEP_H_
	20	#define _OSI_MACHDEP_H_
	21
	22	#include "h/kern_sem.h"
	23	#include "h/proc_iface.h"
	24
	25	#define afs_hz hz
	26	extern struct timeval time;
	27	#define osi_Time() (time.tv_sec)
	28
	29	typedef struct ucred afs_ucred_t;
	30	typedef proc_t afs_proc_t;
	31
	32	#define osi_vnhold(avc, r) do { VN_HOLD(AFSTOV(avc)); } while(0)
	33	#define gop_rdwr(rw,gp,base,len,offset,segflg,unit,aresid) \
	34	vn_rdwr((rw),(gp),(base),(len),(offset),(segflg),(unit),(aresid),0)
	35	#define gop_lookupname(fnamep,segflg,followlink,compvpp) \
	36	lookupname((fnamep),(segflg),(followlink),NULL,(compvpp))
	37	#define gop_lookupname_user(fnamep,segflg,followlink,compvpp) \
	38	lookupname((fnamep),(segflg),(followlink),NULL,(compvpp))
	39
	40	#undef afs_suser
	41
	42	#define osi_curcred() (p_cred(u.u_procp))
	43
	44	#define getpid() (afs_uint32)p_pid(u.u_procp)
	45
	46	#define getppid() (afs_uint32)p_ppid(u.u_procp)
	47
	48	/*
	49	* Global lock support.
	50	*
	51	* HP uses global mutex to protect afs land
	52	*/
	53
	54	#if !defined(AFS_HPUX110_ENV)
	55	extern sema_t afs_global_sema;
	56	#else
	57	extern b_sema_t afs_global_sema;
	58	#endif
	59
	60	extern void osi_InitGlock(void);
	61
	62	#if !defined(AFS_HPUX110_ENV)
	63	extern void afsHash(int nbuckets);
	64	extern sv_sema_t *afsHashInsertFind(tid_t key);
65	extern sv_sema_t *afsHashFind(tid_t key);
66	extern void afsHashRelease(tid_t key);
67
68	#define AFS_GLOCK_PID kt_tid(u.u_kthreadp)
69	#define AFS_SAVE_SEMA afsHashInsertFind(AFS_GLOCK_PID)
70	#define AFS_FIND_SEMA afsHashFind(AFS_GLOCK_PID)
71
72	#define AFS_GLOCK() MP_PXSEMA(&afs_global_sema, AFS_SAVE_SEMA)
73	#define AFS_GUNLOCK() (AFS_ASSERT_GLOCK(), MP_VXSEMA(&afs_global_sema,AFS_FIND_SEMA), (!uniprocessor ? (afsHashRelease(AFS_GLOCK_PID),0) : 0))
74	#define ISAFS_GLOCK() (!uniprocessor ? owns_sema(&afs_global_sema):1)
75
76	#else
77	#define AFS_GLOCK() b_psema(&afs_global_sema)
78	#define AFS_GUNLOCK() b_vsema(&afs_global_sema)
79	#define ISAFS_GLOCK() b_owns_sema(&afs_global_sema)
80
81	#endif
82
83	/* Uses splnet only in the SP case */
84	#define SPLVAR ulong_t splvar
85	#define NETPRI NET_SPLNET(splvar)
86	#define USERPRI NET_SPLX(splvar)
87
88	#if !defined(AFS_HPUX110_ENV)
89	/*
90	* On HP, the global lock is an alpha semaphore, hence it is automatically
91	* released and reacquired aroubd a sleep() and wakeup().
92	*/
93
94	#define afs_osi_Sleep(x) sleep((caddr_t) x,PZERO-2)
95	#else
96	/*
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
101	*/
102	void afs_osi_Sleep(void *event);
103	int afs_osi_Wakeup(void *event);
104	#endif
105
106	#define osi_NullHandle(x) ((x)->proc == (caddr_t) 0)
107
108	#if !defined(AFS_HPUX110_ENV)
109	extern caddr_t kmem_alloc();
110	#endif
111	#if defined(AFS_HPUX1111_ENV)
112	#include <sys/kthread_iface.h> /* for kt_cred() */
113	#endif
114
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>
119	#else
120	#include <vfs_vm.h>
121	#endif
122
123	#define osi_procname(procname, size) strncpy(procname, "", size)
124
125	#endif /* _OSI_MACHDEP_H_ */