Warning: That file was not part of the compilation database. It may have many parsing errors.
| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef __ALPHA_IRQFLAGS_H |
| 3 | #define __ALPHA_IRQFLAGS_H |
| 4 | |
| 5 | #include <asm/pal.h> |
| 6 | |
| 7 | #define IPL_MIN 0 |
| 8 | #define IPL_SW0 1 |
| 9 | #define IPL_SW1 2 |
| 10 | #define IPL_DEV0 3 |
| 11 | #define IPL_DEV1 4 |
| 12 | #define IPL_TIMER 5 |
| 13 | #define IPL_PERF 6 |
| 14 | #define IPL_POWERFAIL 6 |
| 15 | #define IPL_MCHECK 7 |
| 16 | #define IPL_MAX 7 |
| 17 | |
| 18 | #ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK |
| 19 | #undef IPL_MIN |
| 20 | #define IPL_MIN __min_ipl |
| 21 | extern int __min_ipl; |
| 22 | #endif |
| 23 | |
| 24 | #define getipl() (rdps() & 7) |
| 25 | #define setipl(ipl) ((void) swpipl(ipl)) |
| 26 | |
| 27 | static inline unsigned long arch_local_save_flags(void) |
| 28 | { |
| 29 | return rdps(); |
| 30 | } |
| 31 | |
| 32 | static inline void arch_local_irq_disable(void) |
| 33 | { |
| 34 | setipl(IPL_MAX); |
| 35 | barrier(); |
| 36 | } |
| 37 | |
| 38 | static inline unsigned long arch_local_irq_save(void) |
| 39 | { |
| 40 | unsigned long flags = swpipl(IPL_MAX); |
| 41 | barrier(); |
| 42 | return flags; |
| 43 | } |
| 44 | |
| 45 | static inline void arch_local_irq_enable(void) |
| 46 | { |
| 47 | barrier(); |
| 48 | setipl(IPL_MIN); |
| 49 | } |
| 50 | |
| 51 | static inline void arch_local_irq_restore(unsigned long flags) |
| 52 | { |
| 53 | barrier(); |
| 54 | setipl(flags); |
| 55 | barrier(); |
| 56 | } |
| 57 | |
| 58 | static inline bool arch_irqs_disabled_flags(unsigned long flags) |
| 59 | { |
| 60 | return flags == IPL_MAX; |
| 61 | } |
| 62 | |
| 63 | static inline bool arch_irqs_disabled(void) |
| 64 | { |
| 65 | return arch_irqs_disabled_flags(getipl()); |
| 66 | } |
| 67 | |
| 68 | #endif /* __ALPHA_IRQFLAGS_H */ |
| 69 |
Warning: That file was not part of the compilation database. It may have many parsing errors.