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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/asm-generic/irqflags.h
1 #ifndef __ASM_GENERIC_IRQFLAGS_H
2 #define __ASM_GENERIC_IRQFLAGS_H
5 * All architectures should implement at least the first two functions,
6 * usually inline assembly will be the best way.
8 #ifndef RAW_IRQ_DISABLED
9 #define RAW_IRQ_DISABLED 0
10 #define RAW_IRQ_ENABLED 1
13 /* read interrupt enabled status */
14 #ifndef __raw_local_save_flags
15 unsigned long __raw_local_save_flags(void);
18 /* set interrupt enabled status */
19 #ifndef raw_local_irq_restore
20 void raw_local_irq_restore(unsigned long flags
);
23 /* get status and disable interrupts */
24 #ifndef __raw_local_irq_save
25 static inline unsigned long __raw_local_irq_save(void)
28 flags
= __raw_local_save_flags();
29 raw_local_irq_restore(RAW_IRQ_DISABLED
);
35 #ifndef raw_irqs_disabled_flags
36 static inline int raw_irqs_disabled_flags(unsigned long flags
)
38 return flags
== RAW_IRQ_DISABLED
;
42 /* unconditionally enable interrupts */
43 #ifndef raw_local_irq_enable
44 static inline void raw_local_irq_enable(void)
46 raw_local_irq_restore(RAW_IRQ_ENABLED
);
50 /* unconditionally disable interrupts */
51 #ifndef raw_local_irq_disable
52 static inline void raw_local_irq_disable(void)
54 raw_local_irq_restore(RAW_IRQ_DISABLED
);
58 /* test hardware interrupt enable bit */
59 #ifndef raw_irqs_disabled
60 static inline int raw_irqs_disabled(void)
62 return raw_irqs_disabled_flags(__raw_local_save_flags());
66 #define raw_local_save_flags(flags) \
67 do { (flags) = __raw_local_save_flags(); } while (0)
69 #define raw_local_irq_save(flags) \
70 do { (flags) = __raw_local_irq_save(); } while (0)
72 #endif /* __ASM_GENERIC_IRQFLAGS_H */