1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 #ifndef __LIBCFS_LINUX_PORTALS_COMPAT_H__
5 #define __LIBCFS_LINUX_PORTALS_COMPAT_H__
7 // XXX BUG 1511 -- remove this stanza and all callers when bug 1511 is resolved
8 #if defined(SPINLOCK_DEBUG) && SPINLOCK_DEBUG
9 # if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) || defined(CONFIG_RH_2_4_20)
10 # define SIGNAL_MASK_ASSERT() \
11 LASSERT(current->sighand->siglock.magic == SPINLOCK_MAGIC)
13 # define SIGNAL_MASK_ASSERT() \
14 LASSERT(current->sigmask_lock.magic == SPINLOCK_MAGIC)
17 # define SIGNAL_MASK_ASSERT()
19 // XXX BUG 1511 -- remove this stanza and all callers when bug 1511 is resolved
21 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
23 # define SIGNAL_MASK_LOCK(task, flags) \
24 spin_lock_irqsave(&task->sighand->siglock, flags)
25 # define SIGNAL_MASK_UNLOCK(task, flags) \
26 spin_unlock_irqrestore(&task->sighand->siglock, flags)
27 # define USERMODEHELPER(path, argv, envp) \
28 call_usermodehelper(path, argv, envp, 1)
29 # define RECALC_SIGPENDING recalc_sigpending()
30 # define CLEAR_SIGPENDING clear_tsk_thread_flag(current, \
32 # define CURRENT_SECONDS get_seconds()
33 # define smp_num_cpus num_online_cpus()
36 #elif defined(CONFIG_RH_2_4_20) /* RH 2.4.x */
38 # define SIGNAL_MASK_LOCK(task, flags) \
39 spin_lock_irqsave(&task->sighand->siglock, flags)
40 # define SIGNAL_MASK_UNLOCK(task, flags) \
41 spin_unlock_irqrestore(&task->sighand->siglock, flags)
42 # define USERMODEHELPER(path, argv, envp) \
43 call_usermodehelper(path, argv, envp)
44 # define RECALC_SIGPENDING recalc_sigpending()
45 # define CLEAR_SIGPENDING (current->sigpending = 0)
46 # define CURRENT_SECONDS CURRENT_TIME
47 # define wait_event_interruptible_exclusive(wq, condition) \
48 wait_event_interruptible(wq, condition)
52 # define SIGNAL_MASK_LOCK(task, flags) \
53 spin_lock_irqsave(&task->sigmask_lock, flags)
54 # define SIGNAL_MASK_UNLOCK(task, flags) \
55 spin_unlock_irqrestore(&task->sigmask_lock, flags)
56 # define USERMODEHELPER(path, argv, envp) \
57 call_usermodehelper(path, argv, envp)
58 # define RECALC_SIGPENDING recalc_sigpending(current)
59 # define CLEAR_SIGPENDING (current->sigpending = 0)
60 # define CURRENT_SECONDS CURRENT_TIME
61 # define wait_event_interruptible_exclusive(wq, condition) \
62 wait_event_interruptible(wq, condition)
66 #if defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
67 #define UML_PID(tsk) ((tsk)->thread.extern_pid)
68 #elif defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
69 #define UML_PID(tsk) ((tsk)->thread.mode.tt.extern_pid)
71 #define UML_PID(tsk) ((tsk)->pid)
74 #if defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
75 # define THREAD_NAME(comm, len, fmt, a...) \
76 snprintf(comm, len,fmt"|%d", ## a, UML_PID(current))
78 # define THREAD_NAME(comm, len, fmt, a...) \
79 snprintf(comm, len, fmt, ## a)
83 /* 2.4 alloc_page users can use page->list */
84 #define PAGE_LIST_ENTRY list
85 #define PAGE_LIST(page) ((page)->list)
87 /* 2.6 alloc_page users can use page->lru */
88 #define PAGE_LIST_ENTRY lru
89 #define PAGE_LIST(page) ((page)->lru)
92 #ifndef HAVE_CPU_ONLINE
93 #define cpu_online(cpu) ((1<<cpu) & (cpu_online_map))
95 #ifndef HAVE_CPUMASK_T
96 typedef unsigned long cpumask_t;
97 #define cpu_set(cpu, map) set_bit(cpu, &(map))
98 #define cpus_clear(map) memset(&(map), 0, sizeof(cpumask_t))
105 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
106 #define ll_proc_dointvec(table, write, filp, buffer, lenp, ppos) \
107 proc_dointvec(table, write, filp, buffer, lenp)
108 #define ll_proc_dostring(table, write, filp, buffer, lenp, ppos) \
109 proc_dostring(table, write, filp, buffer, lenp)
110 #define LL_PROC_PROTO(name) \
111 name(ctl_table *table, int write, struct file *filp, \
112 void __user *buffer, size_t *lenp)
114 #define ll_proc_dointvec(table, write, filp, buffer, lenp, ppos) \
115 proc_dointvec(table, write, filp, buffer, lenp, ppos);
116 #define ll_proc_dostring(table, write, filp, buffer, lenp, ppos) \
117 proc_dostring(table, write, filp, buffer, lenp, ppos);
118 #define LL_PROC_PROTO(name) \
119 name(ctl_table *table, int write, struct file *filp, \
120 void __user *buffer, size_t *lenp, loff_t *ppos)
123 #endif /* _PORTALS_COMPAT_H */