* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <linux/moduleparam.h>
#include <linux/scatterlist.h>
-#include <libcfs/linux/portals_compat25.h>
-
/******************************************************************************/
/* Module parameter support */
#define CFS_MODULE_PARM(name, t, type, perm, desc) \
# define printf(format, b...) CDEBUG(D_OTHER, format , ## b)
# define time(a) CURRENT_TIME
-/******************************************************************************/
-/* Light-weight trace
- * Support for temporary event tracing with minimal Heisenberg effect. */
-#define LWT_SUPPORT 0
-
-#define LWT_MEMORY (16<<20)
-
-#ifndef KLWT_SUPPORT
-# if defined(__KERNEL__)
-# if !defined(BITS_PER_LONG)
-# error "BITS_PER_LONG not defined"
-# endif
-# elif !defined(__WORDSIZE)
-# error "__WORDSIZE not defined"
-# else
-# define BITS_PER_LONG __WORDSIZE
-# endif
-
-/* kernel hasn't defined this? */
-typedef struct {
- long long lwte_when;
- char *lwte_where;
- void *lwte_task;
- long lwte_p1;
- long lwte_p2;
- long lwte_p3;
- long lwte_p4;
-# if BITS_PER_LONG > 32
- long lwte_pad;
-# endif
-} lwt_event_t;
-#endif /* !KLWT_SUPPORT */
-
-#if LWT_SUPPORT
-# ifdef __KERNEL__
-# if !KLWT_SUPPORT
-
-typedef struct _lwt_page {
- struct list_head lwtp_list;
- struct page *lwtp_page;
- lwt_event_t *lwtp_events;
-} lwt_page_t;
-
-typedef struct {
- int lwtc_current_index;
- lwt_page_t *lwtc_current_page;
-} lwt_cpu_t;
-
-extern int lwt_enabled;
-extern lwt_cpu_t lwt_cpus[];
-
-/* Note that we _don't_ define LWT_EVENT at all if LWT_SUPPORT isn't set.
- * This stuff is meant for finding specific problems; it never stays in
- * production code... */
-
-#define LWTSTR(n) #n
-#define LWTWHERE(f,l) f ":" LWTSTR(l)
-#define LWT_EVENTS_PER_PAGE (PAGE_CACHE_SIZE / sizeof(lwt_event_t))
-
-#define LWT_EVENT(p1, p2, p3, p4) \
-do { \
- unsigned long flags; \
- lwt_cpu_t *cpu; \
- lwt_page_t *p; \
- lwt_event_t *e; \
- \
- if (lwt_enabled) { \
- local_irq_save (flags); \
- \
- cpu = &lwt_cpus[smp_processor_id()]; \
- p = cpu->lwtc_current_page; \
- e = &p->lwtp_events[cpu->lwtc_current_index++]; \
- \
- if (cpu->lwtc_current_index >= LWT_EVENTS_PER_PAGE) { \
- cpu->lwtc_current_page = \
- list_entry (p->lwtp_list.next, \
- lwt_page_t, lwtp_list); \
- cpu->lwtc_current_index = 0; \
- } \
- \
- e->lwte_when = get_cycles(); \
- e->lwte_where = LWTWHERE(__FILE__,__LINE__); \
- e->lwte_task = current; \
- e->lwte_p1 = (long)(p1); \
- e->lwte_p2 = (long)(p2); \
- e->lwte_p3 = (long)(p3); \
- e->lwte_p4 = (long)(p4); \
- \
- local_irq_restore (flags); \
- } \
-} while (0)
-
-#endif /* !KLWT_SUPPORT */
-
-extern int lwt_init (void);
-extern void lwt_fini (void);
-extern int lwt_lookup_string (int *size, char *knlptr,
- char *usrptr, int usrsize);
-extern int lwt_control (int enable, int clear);
-extern int lwt_snapshot (cfs_cycles_t *now, int *ncpu, int *total_size,
- void *user_ptr, int user_size);
-# else /* __KERNEL__ */
-# define LWT_EVENT(p1,p2,p3,p4) /* no userland implementation yet */
-# endif /* __KERNEL__ */
-#endif /* LWT_SUPPORT */
-
-/* ------------------------------------------------------------------ */
-
-#define IOCTL_LIBCFS_TYPE long
-
-#ifdef __CYGWIN__
-# ifndef BITS_PER_LONG
-# if (~0UL) == 0xffffffffUL
-# define BITS_PER_LONG 32
-# else
-# define BITS_PER_LONG 64
-# endif
-# endif
-#endif
-
-#if BITS_PER_LONG > 32
-# define LI_POISON ((int)0x5a5a5a5a5a5a5a5a)
-# define LL_POISON ((long)0x5a5a5a5a5a5a5a5a)
-# define LP_POISON ((void *)(long)0x5a5a5a5a5a5a5a5a)
-#else
-# define LI_POISON ((int)0x5a5a5a5a)
-# define LL_POISON ((long)0x5a5a5a5a)
-# define LP_POISON ((void *)(long)0x5a5a5a5a)
-#endif
-
-/* this is a bit chunky */
-
-#define _LWORDSIZE BITS_PER_LONG
-
-#if (defined(__KERNEL__) && defined(HAVE_KERN__U64_LONG_LONG)) || \
- (!defined(__KERNEL__) && defined(HAVE_USER__U64_LONG_LONG))
-# define LPU64 "%llu"
-# define LPD64 "%lld"
-# define LPX64 "%#llx"
-# define LPX64i "%llx"
-# define LPO64 "%#llo"
-# define LPF64 "L"
-#else
-# define LPU64 "%lu"
-# define LPD64 "%ld"
-# define LPX64 "%#lx"
-# define LPX64i "%lx"
-# define LPO64 "%#lo"
-# define LPF64 "l"
-#endif
-
-/*
- * long_ptr_t & ulong_ptr_t, same to "long" for gcc
- */
-# define LPLU "%lu"
-# define LPLD "%ld"
-# define LPLX "%#lx"
-
-/*
- * pid_t
- */
-# define LPPID "%d"
-
-#ifndef LPU64
-# error "No word size defined"
-#endif
-
-#undef _LWORDSIZE
-
#ifdef HAVE_SYSCTL_CTLNAME
#define INIT_CTL_NAME .ctl_name = CTL_UNNUMBERED,
#define INIT_STRATEGY .strategy = &sysctl_intvec,
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