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91710728 TG |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _LINUX_LOCAL_LOCK_H | |
3 | #define _LINUX_LOCAL_LOCK_H | |
4 | ||
5 | #include <linux/local_lock_internal.h> | |
6 | ||
7 | /** | |
8 | * local_lock_init - Runtime initialize a lock instance | |
9 | */ | |
10 | #define local_lock_init(lock) __local_lock_init(lock) | |
11 | ||
12 | /** | |
13 | * local_lock - Acquire a per CPU local lock | |
14 | * @lock: The lock variable | |
15 | */ | |
16 | #define local_lock(lock) __local_lock(lock) | |
17 | ||
18 | /** | |
19 | * local_lock_irq - Acquire a per CPU local lock and disable interrupts | |
20 | * @lock: The lock variable | |
21 | */ | |
22 | #define local_lock_irq(lock) __local_lock_irq(lock) | |
23 | ||
24 | /** | |
25 | * local_lock_irqsave - Acquire a per CPU local lock, save and disable | |
26 | * interrupts | |
27 | * @lock: The lock variable | |
28 | * @flags: Storage for interrupt flags | |
29 | */ | |
30 | #define local_lock_irqsave(lock, flags) \ | |
31 | __local_lock_irqsave(lock, flags) | |
32 | ||
33 | /** | |
34 | * local_unlock - Release a per CPU local lock | |
35 | * @lock: The lock variable | |
36 | */ | |
37 | #define local_unlock(lock) __local_unlock(lock) | |
38 | ||
39 | /** | |
40 | * local_unlock_irq - Release a per CPU local lock and enable interrupts | |
41 | * @lock: The lock variable | |
42 | */ | |
43 | #define local_unlock_irq(lock) __local_unlock_irq(lock) | |
44 | ||
45 | /** | |
46 | * local_unlock_irqrestore - Release a per CPU local lock and restore | |
47 | * interrupt flags | |
48 | * @lock: The lock variable | |
49 | * @flags: Interrupt flags to restore | |
50 | */ | |
51 | #define local_unlock_irqrestore(lock, flags) \ | |
52 | __local_unlock_irqrestore(lock, flags) | |
53 | ||
07e4fd4c SAS |
54 | DEFINE_GUARD(local_lock, local_lock_t __percpu*, |
55 | local_lock(_T), | |
56 | local_unlock(_T)) | |
57 | DEFINE_GUARD(local_lock_irq, local_lock_t __percpu*, | |
58 | local_lock_irq(_T), | |
59 | local_unlock_irq(_T)) | |
60 | DEFINE_LOCK_GUARD_1(local_lock_irqsave, local_lock_t __percpu, | |
61 | local_lock_irqsave(_T->lock, _T->flags), | |
62 | local_unlock_irqrestore(_T->lock, _T->flags), | |
63 | unsigned long flags) | |
64 | ||
c5bcab75 SAS |
65 | #define local_lock_nested_bh(_lock) \ |
66 | __local_lock_nested_bh(_lock) | |
67 | ||
68 | #define local_unlock_nested_bh(_lock) \ | |
69 | __local_unlock_nested_bh(_lock) | |
70 | ||
71 | DEFINE_GUARD(local_lock_nested_bh, local_lock_t __percpu*, | |
72 | local_lock_nested_bh(_T), | |
73 | local_unlock_nested_bh(_T)) | |
74 | ||
91710728 | 75 | #endif |