/*
* 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
#define _AFS_OSI_
#include "h/types.h"
+#if !defined(AFS_LINUX26_ENV)
#include "h/param.h"
+#endif
-#ifdef AFS_FBSD50_ENV
+#ifdef AFS_FBSD_ENV
#include <sys/condvar.h>
#endif
+#ifdef AFS_NBSD_ENV
+#include <sys/lock.h>
+#endif
+
#ifdef AFS_LINUX20_ENV
#ifndef _LINUX_CODA_FS_I
#define _LINUX_CODA_FS_I
#include "h/mm.h"
#endif
+#if defined(AFS_NBSD50_ENV)
+# if !defined(DEF_CADDR_T)
+typedef char * caddr_t;
+#define DEF_CADDR_T
+# endif
+#endif
+
/* this is just a dummy type decl, we're really using struct sockets here */
struct osi_socket {
};
struct afs_osi_WaitHandle {
+#ifdef AFS_FBSD_ENV
+ struct cv wh_condvar;
+ int wh_inited;
+#else
caddr_t proc; /* process waiting */
+#endif
};
#define osi_SetFileProc(x,p) ((x)->proc=(p))
#define osi_NPACKETS 20 /* number of cluster pkts to alloc */
-/*
- * Alloc declarations.
- */
-#if !defined(AFS_OBSD44_ENV)
-#define afs_osi_Alloc_NoSleep afs_osi_Alloc
-#endif
+
/*
* Default vnode related macros
* Darwin, all of the BSDs, and Linux have their own
*/
#if !defined(AFS_DARWIN_ENV) && !defined(AFS_XBSD_ENV) && !defined(AFS_LINUX20_ENV)
-# define vType(vc) (vc)->v.v_type
-# define vSetType(vc,type) (vc)->v.v_type = (type)
-# define vSetVfsp(vc,vfsp) (vc)->v.v_vfsp = (vfsp)
+# define vType(vc) AFSTOV(vc)->v_type
+# define vSetType(vc,type) AFSTOV(vc)->v_type = (type)
+# define vSetVfsp(vc,vfsp) AFSTOV(vc)->v_vfsp = (vfsp)
extern struct vnodeops *afs_ops;
# define IsAfsVnode(v) ((v)->v_op == afs_ops)
# define SetAfsVnode(v) (v)->v_op = afs_ops
#endif
+struct vcache;
+extern int osi_TryEvictVCache(struct vcache *, int *, int);
+extern struct vcache *osi_NewVnode(void);
+extern void osi_PrePopulateVCache(struct vcache *);
+extern void osi_PostPopulateVCache(struct vcache *);
+extern void osi_AttachVnode(struct vcache *, int seq);
+
+/**
+ * Increment the refcount on the given vcache.
+ *
+ * @retval 0 Success
+ * @retval nonzero Error obtaining reference; the vcache is no longer valid and
+ * the caller should act as if it doesn't exist.
+ */
+extern int osi_vnhold(struct vcache *);
+
/*
- * In IRIX 6.5 we cannot have DEBUG turned on since certain
+ * In IRIX 6.5 and NetBSD we cannot have DEBUG turned on since certain
* system-defined structures are a different size with DEBUG on, the
* kernel is compiled without DEBUG on, and the resulting differences
* would break our ability to interact with the rest of the kernel.
* Is DEBUG only for turning the ASSERT() macro? If so, we should
* be able to eliminate DEBUG entirely.
*/
-#if !defined(AFS_SGI65_ENV)
+#if !defined(AFS_SGI65_ENV) && !defined(AFS_NBSD_ENV)
#ifndef DEBUG
#define DEBUG 1 /* Default is to enable debugging/logging */
#endif
#endif
-/*
- * Time related macros
+/*
+ * We use osi_timeval32_t because the native timeval varies in size on
+ * different platforms. We require a fixed size timeval, at least for the
+ * xstats.
*/
-#define osi_GetuTime(x) osi_GetTime(x)
-
-/* osi_timeval_t exists because SGI 6.x has two sizes of timeval. */
-/** In 64 bit Solaris the timeval structure has members that are 64 bit
- * In the GetTime() interface we expect pointers to afs_int32. So the need to
- * define osi_timeval_t to have 32 bit members. To make this less ambiguous
- * we now use 32 bit quantities consistently all over the code.
- * In 64 bit HP-UX the timeval structure has a 64 bit member.
- */
-
-#if defined(AFS_HPUX_ENV) || defined(AFS_LINUX_64BIT_KERNEL) || (defined(AFS_SGI61_ENV) && defined(KERNEL) && defined(_K64U64))
+#if defined(AFS_HPUX_ENV) || defined(AFS_LINUX_64BIT_KERNEL) || (defined(AFS_LINUX26_ENV) && !defined(HAVE_LINUX_TIME_T)) || (defined(AFS_SGI61_ENV) && defined(KERNEL) && defined(_K64U64))
typedef struct {
afs_int32 tv_sec;
afs_int32 tv_usec;
-} osi_timeval_t;
-#elif defined(AFS_SUN57_ENV)
-typedef struct timeval32 osi_timeval_t;
+} osi_timeval32_t;
+#elif defined(AFS_SUN5_ENV)
+typedef struct timeval32 osi_timeval32_t;
#else
-typedef struct timeval osi_timeval_t;
+typedef struct timeval osi_timeval32_t;
#endif /* AFS_SGI61_ENV */
#ifndef UKERNEL
* is going on in the system. So if ps cannot show thread IDs it is
* likely to be the process ID instead.
*/
-#ifdef AFS_FBSD50_ENV
+#ifdef AFS_FBSD_ENV
/* should use curthread, but 'ps' can't display it */
#define osi_ThreadUnique() (curproc->p_pid)
-#elif defined(AFS_LINUX_ENV)
-#define osi_ThreadUnique() (current->pid)
#elif defined(UKERNEL)
#define osi_ThreadUnique() osi_getpid()
#else
/* On an MP that uses multithreading, splnet is not sufficient to provide
* mutual exclusion because the other processors will not see it. On some
- * early multiprocessors (SunOS413 & SGI5.2) splnet actually obtains a global
+ * early multiprocessors (SGI5.2) splnet actually obtains a global
* mutex, which this works in the UP expected way, it means that the whole MP
* can only take one interrupt at a time; a serious performance penalty. */
* (Also, of course, the vnode is assumed to be one of ours. Can't use this
* macro for V-file vnodes.)
*/
-#if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
-/* Bare refcount manipulation would probably work on this platform, but just
- calling VREF does not */
-#define AFS_FAST_HOLD(vp) osi_vnhold((vp),0)
+#ifdef AFS_AIX_ENV
+#define AFS_FAST_RELE(vp) VREFCOUNT_DEC(vp)
#else
-#define AFS_FAST_HOLD(vp) VN_HOLD(AFSTOV(vp))
-#endif
#define AFS_FAST_RELE(vp) AFS_RELE(AFSTOV(vp))
+#endif
/*
* MP safe versions of routines to copy memory between user space
uio_setrw((UIO),(RW)); \
CODE = uiomove((SRC),(LEN),(UIO)); \
} while(0)
-#elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+#elif defined(AFS_DARWIN_ENV) || (defined(AFS_XBSD_ENV) && !defined(AFS_NBSD40_ENV))
#define AFS_UIOMOVE(SRC,LEN,RW,UIO,CODE) \
do { \
(UIO)->uio_rw = (RW); \
/*
-** Macro for Solaris 2.6 returns 1 if file is larger than 2GB; else returns 0
+** Macro for Solaris 2.6 returns 1 if file is larger than 2GB; else returns 0
*/
#define AfsLargeFileUio(uio) 0
#define AfsLargeFileSize(pos, off) 0
#define osi_curcred() (u.u_cred)
#endif
+#ifdef AFS_PAG_ONEGROUP_ENV
+#define AFS_NUMPAGGROUPS 1
+#else
+#define AFS_NUMPAGGROUPS 2
+#endif
+
#endif /* _AFS_OSI_ */
git://git.openafs.org / openafs.git / blobdiff