1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
37 #ifndef __LIBCFS_LINUX_PORTALS_COMPAT_H__
38 #define __LIBCFS_LINUX_PORTALS_COMPAT_H__
40 // XXX BUG 1511 -- remove this stanza and all callers when bug 1511 is resolved
41 #if defined(SPINLOCK_DEBUG) && SPINLOCK_DEBUG
42 # if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) || defined(CONFIG_RH_2_4_20)
43 # define SIGNAL_MASK_ASSERT() \
44 LASSERT(current->sighand->siglock.magic == SPINLOCK_MAGIC)
46 # define SIGNAL_MASK_ASSERT() \
47 LASSERT(current->sigmask_lock.magic == SPINLOCK_MAGIC)
50 # define SIGNAL_MASK_ASSERT()
52 // XXX BUG 1511 -- remove this stanza and all callers when bug 1511 is resolved
54 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
56 # define SIGNAL_MASK_LOCK(task, flags) \
57 spin_lock_irqsave(&task->sighand->siglock, flags)
58 # define SIGNAL_MASK_UNLOCK(task, flags) \
59 spin_unlock_irqrestore(&task->sighand->siglock, flags)
60 # define USERMODEHELPER(path, argv, envp) \
61 call_usermodehelper(path, argv, envp, 1)
62 # define RECALC_SIGPENDING recalc_sigpending()
63 # define CLEAR_SIGPENDING clear_tsk_thread_flag(current, \
65 # define CURRENT_SECONDS get_seconds()
66 # define smp_num_cpus num_online_cpus()
69 #elif defined(CONFIG_RH_2_4_20) /* RH 2.4.x */
71 # define SIGNAL_MASK_LOCK(task, flags) \
72 spin_lock_irqsave(&task->sighand->siglock, flags)
73 # define SIGNAL_MASK_UNLOCK(task, flags) \
74 spin_unlock_irqrestore(&task->sighand->siglock, flags)
75 # define USERMODEHELPER(path, argv, envp) \
76 call_usermodehelper(path, argv, envp)
77 # define RECALC_SIGPENDING recalc_sigpending()
78 # define CLEAR_SIGPENDING (current->sigpending = 0)
79 # define CURRENT_SECONDS CURRENT_TIME
80 # define wait_event_interruptible_exclusive(wq, condition) \
81 wait_event_interruptible(wq, condition)
85 # define SIGNAL_MASK_LOCK(task, flags) \
86 spin_lock_irqsave(&task->sigmask_lock, flags)
87 # define SIGNAL_MASK_UNLOCK(task, flags) \
88 spin_unlock_irqrestore(&task->sigmask_lock, flags)
89 # define USERMODEHELPER(path, argv, envp) \
90 call_usermodehelper(path, argv, envp)
91 # define RECALC_SIGPENDING recalc_sigpending(current)
92 # define CLEAR_SIGPENDING (current->sigpending = 0)
93 # define CURRENT_SECONDS CURRENT_TIME
94 # define wait_event_interruptible_exclusive(wq, condition) \
95 wait_event_interruptible(wq, condition)
99 #if defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
100 #define UML_PID(tsk) ((tsk)->thread.extern_pid)
101 #elif defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
102 #define UML_PID(tsk) ((tsk)->thread.mode.tt.extern_pid)
104 #define UML_PID(tsk) ((tsk)->pid)
107 #if defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
108 # define THREAD_NAME(comm, len, fmt, a...) \
109 snprintf(comm, len,fmt"|%d", ## a, UML_PID(current))
111 # define THREAD_NAME(comm, len, fmt, a...) \
112 snprintf(comm, len, fmt, ## a)
115 #ifdef HAVE_PAGE_LIST
116 /* 2.4 alloc_page users can use page->list */
117 #define PAGE_LIST_ENTRY list
118 #define PAGE_LIST(page) ((page)->list)
120 /* 2.6 alloc_page users can use page->lru */
121 #define PAGE_LIST_ENTRY lru
122 #define PAGE_LIST(page) ((page)->lru)
125 #ifndef HAVE_CPU_ONLINE
126 #define cpu_online(cpu) ((1<<cpu) & (cpu_online_map))
128 #ifndef HAVE_CPUMASK_T
129 typedef unsigned long cpumask_t;
130 #define cpu_set(cpu, map) set_bit(cpu, &(map))
131 #define cpus_clear(map) memset(&(map), 0, sizeof(cpumask_t))
138 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
139 #define ll_proc_dointvec(table, write, filp, buffer, lenp, ppos) \
140 proc_dointvec(table, write, filp, buffer, lenp)
141 #define ll_proc_dostring(table, write, filp, buffer, lenp, ppos) \
142 proc_dostring(table, write, filp, buffer, lenp)
143 #define LL_PROC_PROTO(name) \
144 name(cfs_sysctl_table_t *table, int write, struct file *filp, \
145 void __user *buffer, size_t *lenp)
146 #define DECLARE_LL_PROC_PPOS_DECL loff_t *ppos = &filp->f_pos
148 #define ll_proc_dointvec(table, write, filp, buffer, lenp, ppos) \
149 proc_dointvec(table, write, filp, buffer, lenp, ppos);
150 #define ll_proc_dostring(table, write, filp, buffer, lenp, ppos) \
151 proc_dostring(table, write, filp, buffer, lenp, ppos);
152 #define LL_PROC_PROTO(name) \
153 name(cfs_sysctl_table_t *table, int write, struct file *filp, \
154 void __user *buffer, size_t *lenp, loff_t *ppos)
155 #define DECLARE_LL_PROC_PPOS_DECL
158 #endif /* _PORTALS_COMPAT_H */