-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define __LIBCFS_LINUX_KP30_H__
-#ifndef AUTOCONF_INCLUDED
-# include <linux/config.h>
-#endif
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/unistd.h>
-#include <asm/system.h>
#include <linux/kmod.h>
#include <linux/notifier.h>
#include <linux/fs.h>
#include <linux/highmem.h>
#include <linux/module.h>
#include <linux/version.h>
-#include <linux/smp_lock.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
#include <linux/rwsem.h>
#ifdef HAVE_MM_INLINE
# include <linux/mm_inline.h>
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-# include <linux/kallsyms.h>
-# include <linux/moduleparam.h>
-#endif
+#include <linux/kallsyms.h>
+#include <linux/moduleparam.h>
#include <linux/scatterlist.h>
-#include <libcfs/linux/portals_compat25.h>
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#define schedule_work schedule_task
-#define prepare_work(wq,cb,cbdata) \
-do { \
- INIT_TQUEUE((wq), 0, 0); \
- PREPARE_TQUEUE((wq), (cb), (cbdata)); \
-} while (0)
-
-#define PageUptodate Page_Uptodate
-#define our_recalc_sigpending(current) recalc_sigpending(current)
-#define cfs_num_online_cpus() smp_num_cpus
-#define work_struct_t struct tq_struct
-#define cfs_get_work_data(type,field,data) (data)
-#else
-
-#ifdef HAVE_3ARGS_INIT_WORK
-
-#define prepare_work(wq,cb,cbdata) \
-do { \
- INIT_WORK((wq), (void *)(cb), (void *)(cbdata)); \
-} while (0)
-
-#define cfs_get_work_data(type,field,data) (data)
-
-#else
-
-#define prepare_work(wq,cb,cbdata) \
-do { \
- INIT_WORK((wq), (void *)(cb)); \
-} while (0)
-
-#define cfs_get_work_data(type,field,data) container_of(data,type,field)
-
-#endif
-
-#define cfs_num_online_cpus() num_online_cpus()
-#define wait_on_page wait_on_page_locked
-#define our_recalc_sigpending(current) recalc_sigpending()
-#define strtok(a,b) strpbrk(a, b)
-#define work_struct_t struct work_struct
-
-#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) */
-
-#ifdef CONFIG_SMP
-#define LASSERT_SPIN_LOCKED(lock) LASSERT(spin_is_locked(lock))
-#define LINVRNT_SPIN_LOCKED(lock) LINVRNT(spin_is_locked(lock))
-#else
-#define LASSERT_SPIN_LOCKED(lock) do {(void)sizeof(lock);} while(0)
-#define LINVRNT_SPIN_LOCKED(lock) do {(void)sizeof(lock);} while(0)
-#endif
-#define LASSERT_SEM_LOCKED(sem) LASSERT(down_trylock(sem) != 0)
-
-#ifdef HAVE_SEM_COUNT_ATOMIC
-#define SEM_COUNT(sem) (atomic_read(&(sem)->count))
-#else
-#define SEM_COUNT(sem) ((sem)->count)
-#endif
-
-#define LIBCFS_PANIC(msg) panic(msg)
-
-/* ------------------------------------------------------------------- */
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-
-#define PORTAL_SYMBOL_REGISTER(x) inter_module_register(#x, THIS_MODULE, &x)
-#define PORTAL_SYMBOL_UNREGISTER(x) inter_module_unregister(#x)
-
-#define PORTAL_SYMBOL_GET(x) ((typeof(&x))inter_module_get(#x))
-#define PORTAL_SYMBOL_PUT(x) inter_module_put(#x)
-
-#define PORTAL_MODULE_USE MOD_INC_USE_COUNT
-#define PORTAL_MODULE_UNUSE MOD_DEC_USE_COUNT
-#else
-
-#define PORTAL_SYMBOL_REGISTER(x)
-#define PORTAL_SYMBOL_UNREGISTER(x)
-
-#define PORTAL_SYMBOL_GET(x) symbol_get(x)
-#define PORTAL_SYMBOL_PUT(x) symbol_put(x)
-
-#define PORTAL_MODULE_USE try_module_get(THIS_MODULE)
-#define PORTAL_MODULE_UNUSE module_put(THIS_MODULE)
-
-#endif
-
/******************************************************************************/
/* Module parameter support */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-# define CFS_MODULE_PARM(name, t, type, perm, desc) \
- MODULE_PARM(name, t);\
- MODULE_PARM_DESC(name, desc)
-
-#else
-# define CFS_MODULE_PARM(name, t, type, perm, desc) \
+#define CFS_MODULE_PARM(name, t, type, perm, desc) \
module_param(name, type, perm);\
MODULE_PARM_DESC(name, desc)
-#endif
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9))
-# define CFS_SYSFS_MODULE_PARM 0 /* no sysfs module parameters */
-#else
-# define CFS_SYSFS_MODULE_PARM 1 /* module parameters accessible via sysfs */
-#endif
+#define CFS_SYSFS_MODULE_PARM 1 /* module parameters accessible via sysfs */
+
/******************************************************************************/
#if (__GNUC__)
# define printf(format, b...) CDEBUG(D_OTHER, format , ## b)
# define time(a) CURRENT_TIME
-#ifndef num_possible_cpus
-#define cfs_num_possible_cpus() NR_CPUS
+#ifdef HAVE_SYSCTL_CTLNAME
+#define INIT_CTL_NAME .ctl_name = CTL_UNNUMBERED,
+#define INIT_STRATEGY .strategy = &sysctl_intvec,
#else
-#define cfs_num_possible_cpus() num_possible_cpus()
+#define INIT_CTL_NAME
+#define INIT_STRATEGY
#endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#define i_size_read(a) ((a)->i_size)
-#endif
-
-
-/******************************************************************************/
-/* 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 {
- cfs_list_t 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 (CFS_PAGE_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 = \
- cfs_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 "%Lu"
-# define LPD64 "%Ld"
-# define LPX64 "%#Lx"
-# define LPF64 "L"
-#else
-# define LPU64 "%lu"
-# define LPD64 "%ld"
-# define LPX64 "%#lx"
-# 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"
-
-#ifdef HAVE_SIZE_T_LONG
-# define LPSZ "%lu"
-#else
-# define LPSZ "%u"
-#endif
-
-#ifdef HAVE_SSIZE_T_LONG
-# define LPSSZ "%ld"
-#else
-# define LPSSZ "%d"
-#endif
-
-#ifndef LPU64
-# error "No word size defined"
-#endif
-
-#undef _LWORDSIZE
-
-/* compat macroses */
-#ifndef HAVE_SCATTERLIST_SETPAGE
-static inline void sg_set_page(struct scatterlist *sg, struct page *page,
- unsigned int len, unsigned int offset)
-{
- sg->page = page;
- sg->offset = offset;
- sg->length = len;
-}
-#endif
-
-#define cfs_smp_processor_id() smp_processor_id()
-
-#ifndef get_cpu
-# ifdef CONFIG_PREEMPT
-# define cfs_get_cpu() ({ preempt_disable(); smp_processor_id(); })
-# define cfs_put_cpu() preempt_enable()
-# else
-# define cfs_get_cpu() smp_processor_id()
-# define cfs_put_cpu()
-# endif
-#else
-# define cfs_get_cpu() get_cpu()
-# define cfs_put_cpu() put_cpu()
-#endif /* get_cpu & put_cpu */
#endif
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