1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _LINUX_INTERRUPT_H 13 #define _LINUX_INTERRUPT_H 14 15 #include <linux/kernel.h> 16 #include <linux/linkage.h> 17 #include <linux/bitops.h> 18 #include <linux/preempt.h> 19 #include <linux/cpumask.h> 20 #include <linux/irqreturn.h> 21 #include <linux/hardirq.h> 22 #include <linux/sched.h> 23 #include <linux/irqflags.h> 24 #include <asm/atomic.h> 25 #include <asm/ptrace.h> 26 #include <asm/system.h> 27 28 #define IRQF_TRIGGER_NONE 0x00000000 29 #define IRQF_TRIGGER_RISING 0x00000001 30 #define IRQF_TRIGGER_FALLING 0x00000002 31 #define IRQF_TRIGGER_HIGH 0x00000004 32 #define IRQF_TRIGGER_LOW 0x00000008 33 #define IRQF_TRIGGER_MASK (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING) 34 #define IRQF_TRIGGER_PROBE 0x00000010 35 36 #define IRQF_DISABLED 0x00000020 37 #define IRQF_SAMPLE_RANDOM 0x00000040 38 #define IRQF_SHARED 0x00000080 39 #define IRQF_PROBE_SHARED 0x00000100 40 #define IRQF_TIMER 0x00000200 41 #define IRQF_PERCPU 0x00000400 42 43 #define SA_INTERRUPT IRQF_DISABLED 44 #define SA_SAMPLE_RANDOM IRQF_SAMPLE_RANDOM 45 #define SA_SHIRQ IRQF_SHARED 46 #define SA_PROBEIRQ IRQF_PROBE_SHARED 47 #define SA_PERCPU IRQF_PERCPU 48 49 #define SA_TRIGGER_LOW IRQF_TRIGGER_LOW 50 #define SA_TRIGGER_HIGH IRQF_TRIGGER_HIGH 51 #define SA_TRIGGER_FALLING IRQF_TRIGGER_FALLING 52 #define SA_TRIGGER_RISING IRQF_TRIGGER_RISING 53 #define SA_TRIGGER_MASK IRQF_TRIGGER_MASK 54 55 struct irqaction { 56 irqreturn_t (*handler)(int, void *, struct pt_regs *); 57 unsigned long flags; 58 cpumask_t mask; 59 const char *name; 60 void *dev_id; 61 struct irqaction *next; 62 int irq; 63 struct proc_dir_entry *dir; 64 }; 65 66 #define local_irq_enable_in_hardirq() local_irq_enable() 67 68 #define disable_irq_nosync_lockdep(irq) disable_irq_nosync(irq) 69 #define disable_irq_lockdep(irq) disable_irq(irq) 70 #define enable_irq_lockdep(irq) enable_irq(irq) 71 72 #ifndef __ARCH_SET_SOFTIRQ_PENDING 73 #define set_softirq_pending(x) (local_softirq_pending() = (x)) 74 #define or_softirq_pending(x) (local_softirq_pending() |= (x)) 75 #endif 76 77 #define save_flags(x) save_flags(&x) 78 #define save_and_cli(x) save_and_cli(&x) 79 80 enum 81 { 82 HI_SOFTIRQ=0, 83 TIMER_SOFTIRQ, 84 NET_TX_SOFTIRQ, 85 NET_RX_SOFTIRQ, 86 BLOCK_SOFTIRQ, 87 TASKLET_SOFTIRQ 88 }; 89 90 struct softirq_action 91 { 92 void (*action)(struct softirq_action *); 93 void *data; 94 }; 95 96 #define __raise_softirq_irqoff(nr) do { or_softirq_pending(1UL << (nr)); } while (0) 97 98 struct tasklet_struct 99 { 100 struct tasklet_struct *next; 101 unsigned long state; 102 atomic_t count; 103 void (*func)(unsigned long); 104 unsigned long data; 105 }; 106 107 #define DECLARE_TASKLET(name, func, data) struct tasklet_struct name = { NULL, 0, ATOMIC_INIT(0), func, data } 108 109 #define DECLARE_TASKLET_DISABLED(name, func, data) struct tasklet_struct name = { NULL, 0, ATOMIC_INIT(1), func, data } 110 111 enum 112 { 113 TASKLET_STATE_SCHED, 114 TASKLET_STATE_RUN 115 }; 116 117 #define tasklet_trylock(t) 1 118 #define tasklet_unlock_wait(t) do { } while (0) 119 #define tasklet_unlock(t) do { } while (0) 120 121 #endif 122
