diff options
Diffstat (limited to 'drivers/staging/lustre/include/linux/libcfs/linux/linux-prim.h')
| -rw-r--r-- | drivers/staging/lustre/include/linux/libcfs/linux/linux-prim.h | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-prim.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-prim.h new file mode 100644 index 000000000000..a4963a8dfdd8 --- /dev/null +++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-prim.h @@ -0,0 +1,241 @@ +/* + * 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) 2012, Intel Corporation. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. + * + * libcfs/include/libcfs/linux/linux-prim.h + * + * Basic library routines. + */ + +#ifndef __LIBCFS_LINUX_CFS_PRIM_H__ +#define __LIBCFS_LINUX_CFS_PRIM_H__ + +#ifndef __LIBCFS_LIBCFS_H__ +#error Do not #include this file directly. #include <linux/libcfs/libcfs.h> instead +#endif + + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/version.h> +#include <linux/proc_fs.h> +#include <linux/mm.h> +#include <linux/timer.h> +#include <linux/signal.h> +#include <linux/sched.h> +#include <linux/kthread.h> +#include <linux/random.h> + +#include <linux/miscdevice.h> +#include <linux/libcfs/linux/portals_compat25.h> +#include <asm/div64.h> + +#include <linux/libcfs/linux/linux-time.h> + + +/* + * CPU + */ +#ifdef for_each_possible_cpu +#define cfs_for_each_possible_cpu(cpu) for_each_possible_cpu(cpu) +#elif defined(for_each_cpu) +#define cfs_for_each_possible_cpu(cpu) for_each_cpu(cpu) +#endif + +#ifdef NR_CPUS +#else +#define NR_CPUS 1 +#endif + +/* + * cache + */ + +/* + * IRQs + */ + + +/* + * Pseudo device register + */ +typedef struct miscdevice psdev_t; + +/* + * Sysctl register + */ +typedef struct ctl_table ctl_table_t; +typedef struct ctl_table_header ctl_table_header_t; + +#define cfs_register_sysctl_table(t, a) register_sysctl_table(t) + +#define DECLARE_PROC_HANDLER(name) \ +static int \ +LL_PROC_PROTO(name) \ +{ \ + DECLARE_LL_PROC_PPOS_DECL; \ + \ + return proc_call_handler(table->data, write, \ + ppos, buffer, lenp, \ + __##name); \ +} + +/* + * Symbol register + */ +#define cfs_symbol_register(s, p) do {} while(0) +#define cfs_symbol_unregister(s) do {} while(0) +#define cfs_symbol_get(s) symbol_get(s) +#define cfs_symbol_put(s) symbol_put(s) + +typedef struct module module_t; + +/* + * Proc file system APIs + */ +typedef struct proc_dir_entry proc_dir_entry_t; + +/* + * Wait Queue + */ + + +typedef long cfs_task_state_t; + +#define CFS_DECL_WAITQ(wq) DECLARE_WAIT_QUEUE_HEAD(wq) + +/* + * Task struct + */ +typedef struct task_struct task_t; +#define DECL_JOURNAL_DATA void *journal_info +#define PUSH_JOURNAL do { \ + journal_info = current->journal_info; \ + current->journal_info = NULL; \ + } while(0) +#define POP_JOURNAL do { \ + current->journal_info = journal_info; \ + } while(0) + +/* Module interfaces */ +#define cfs_module(name, version, init, fini) \ + module_init(init); \ + module_exit(fini) + +/* + * Signal + */ + +/* + * Timer + */ +typedef struct timer_list timer_list_t; + + +#ifndef wait_event_timeout /* Only for RHEL3 2.4.21 kernel */ +#define __wait_event_timeout(wq, condition, timeout, ret) \ +do { \ + int __ret = 0; \ + if (!(condition)) { \ + wait_queue_t __wait; \ + unsigned long expire; \ + \ + init_waitqueue_entry(&__wait, current); \ + expire = timeout + jiffies; \ + add_wait_queue(&wq, &__wait); \ + for (;;) { \ + set_current_state(TASK_UNINTERRUPTIBLE); \ + if (condition) \ + break; \ + if (jiffies > expire) { \ + ret = jiffies - expire; \ + break; \ + } \ + schedule_timeout(timeout); \ + } \ + current->state = TASK_RUNNING; \ + remove_wait_queue(&wq, &__wait); \ + } \ +} while (0) +/* + retval == 0; condition met; we're good. + retval > 0; timed out. +*/ +#define cfs_waitq_wait_event_timeout(wq, condition, timeout, ret) \ +do { \ + ret = 0; \ + if (!(condition)) \ + __wait_event_timeout(wq, condition, timeout, ret); \ +} while (0) +#else +#define cfs_waitq_wait_event_timeout(wq, condition, timeout, ret) \ + ret = wait_event_timeout(wq, condition, timeout) +#endif + +#define cfs_waitq_wait_event_interruptible_timeout(wq, c, timeout, ret) \ + ret = wait_event_interruptible_timeout(wq, c, timeout) + +/* + * atomic + */ + + +#define cfs_atomic_add_unless(atom, a, u) atomic_add_unless(atom, a, u) +#define cfs_atomic_cmpxchg(atom, old, nv) atomic_cmpxchg(atom, old, nv) + +/* + * membar + */ + + +/* + * interrupt + */ + + +/* + * might_sleep + */ + +/* + * group_info + */ +typedef struct group_info group_info_t; + + +/* + * Random bytes + */ +#endif |