diff options
Diffstat (limited to 'drivers/staging/lustre/include/linux/libcfs/linux/kp30.h')
| -rw-r--r-- | drivers/staging/lustre/include/linux/libcfs/linux/kp30.h | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/kp30.h b/drivers/staging/lustre/include/linux/libcfs/linux/kp30.h new file mode 100644 index 000000000000..4b7ae1c5bd3b --- /dev/null +++ b/drivers/staging/lustre/include/linux/libcfs/linux/kp30.h @@ -0,0 +1,286 @@ +/* + * GPL HEADER START + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + * GPL HEADER END + */ +/* + * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2011, 2012, Intel Corporation. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. + */ + +#ifndef __LIBCFS_LINUX_KP30_H__ +#define __LIBCFS_LINUX_KP30_H__ + + +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/string.h> +#include <linux/stat.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/unistd.h> +#include <linux/kmod.h> +#include <linux/notifier.h> +#include <linux/fs.h> +#include <linux/miscdevice.h> +#include <linux/vmalloc.h> +#include <linux/time.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/highmem.h> +#include <linux/module.h> +#include <linux/version.h> +#include <asm/atomic.h> +#include <asm/uaccess.h> +#include <linux/rwsem.h> +#include <linux/proc_fs.h> +#include <linux/file.h> +#include <linux/smp.h> +#include <linux/ctype.h> +#include <linux/compiler.h> +#ifdef HAVE_MM_INLINE +# include <linux/mm_inline.h> +#endif +#include <linux/kallsyms.h> +#include <linux/moduleparam.h> +#include <linux/scatterlist.h> + +#include <linux/libcfs/linux/portals_compat25.h> + + +#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) + + +#define our_recalc_sigpending(current) recalc_sigpending() +#define strtok(a,b) strpbrk(a, b) +#define work_struct_t struct work_struct + +#ifdef CONFIG_SMP +#else +#endif + + +#define SEM_COUNT(sem) ((sem)->count) + + +/* ------------------------------------------------------------------- */ + +#define PORTAL_SYMBOL_REGISTER(x) +#define PORTAL_SYMBOL_UNREGISTER(x) + + + + +/******************************************************************************/ +/* Module parameter support */ +#define CFS_MODULE_PARM(name, t, type, perm, desc) \ + module_param(name, type, perm);\ + MODULE_PARM_DESC(name, desc) + +#define CFS_SYSFS_MODULE_PARM 1 /* module parameters accessible via sysfs */ + +/******************************************************************************/ + +#if (__GNUC__) +/* Use the special GNU C __attribute__ hack to have the compiler check the + * printf style argument string against the actual argument count and + * types. + */ +#ifdef printf +# warning printf has been defined as a macro... +# undef printf +#endif + +#endif /* __GNUC__ */ + +# define fprintf(a, format, b...) CDEBUG(D_OTHER, format , ## b) +# define printf(format, b...) CDEBUG(D_OTHER, format , ## b) +# define time(a) CURRENT_TIME + +# define cfs_num_present_cpus() num_present_cpus() + +/******************************************************************************/ +/* 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(BITS_PER_LONG) +# error "BITS_PER_LONG not defined" +# 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 +# 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); +#endif /* LWT_SUPPORT */ + +/* ------------------------------------------------------------------ */ + +#define IOCTL_LIBCFS_TYPE long + +#ifdef __CYGWIN__ +# ifndef BITS_PER_LONG +# define BITS_PER_LONG 64 +# endif +#endif + +# define LI_POISON ((int)0x5a5a5a5a5a5a5a5a) +# define LL_POISON ((long)0x5a5a5a5a5a5a5a5a) +# define LP_POISON ((void *)(long)0x5a5a5a5a5a5a5a5a) + +/* this is a bit chunky */ + +#define _LWORDSIZE BITS_PER_LONG + +# define LPU64 "%llu" +# define LPD64 "%lld" +# define LPX64 "%#llx" +# define LPX64i "%llx" +# define LPO64 "%#llo" +# define LPF64 "L" + +/* + * 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" + + +#undef _LWORDSIZE + +/* compat macroses */ + + +#ifndef get_cpu +# ifdef CONFIG_PREEMPT +# define get_cpu() ({ preempt_disable(); smp_processor_id(); }) +# define put_cpu() preempt_enable() +# else +# define get_cpu() smp_processor_id() +# define put_cpu() +# endif +#else +#endif /* get_cpu & put_cpu */ + +#define INIT_CTL_NAME(a) +#define INIT_STRATEGY(a) + +#endif |