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_IRQ_H 13 #define _LINUX_IRQ_H 14 15 #include <linux/smp.h> 16 17 #include <linux/linkage.h> 18 #include <linux/cache.h> 19 #include <linux/spinlock.h> 20 #include <linux/cpumask.h> 21 #include <linux/irqreturn.h> 22 23 #include <asm/irq.h> 24 #include <asm/ptrace.h> 25 26 #define IRQ_TYPE_NONE 0x00000000 27 #define IRQ_TYPE_EDGE_RISING 0x00000001 28 #define IRQ_TYPE_EDGE_FALLING 0x00000002 29 #define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING) 30 #define IRQ_TYPE_LEVEL_HIGH 0x00000004 31 #define IRQ_TYPE_LEVEL_LOW 0x00000008 32 #define IRQ_TYPE_SENSE_MASK 0x0000000f 33 #define IRQ_TYPE_PROBE 0x00000010 34 35 #define IRQ_INPROGRESS 0x00010000 36 #define IRQ_DISABLED 0x00020000 37 #define IRQ_PENDING 0x00040000 38 #define IRQ_REPLAY 0x00080000 39 #define IRQ_AUTODETECT 0x00100000 40 #define IRQ_WAITING 0x00200000 41 #define IRQ_LEVEL 0x00400000 42 #define IRQ_MASKED 0x00800000 43 #define IRQ_PER_CPU 0x01000000 44 #define CHECK_IRQ_PER_CPU(var) 0 45 46 #define IRQ_NOPROBE 0x02000000 47 #define IRQ_NOREQUEST 0x04000000 48 #define IRQ_NOAUTOEN 0x08000000 49 #define IRQ_DELAYED_DISABLE 0x10000000 50 #define IRQ_WAKEUP 0x20000000 51 52 struct proc_dir_entry; 53 54 struct irq_chip { 55 const char *name; 56 unsigned int (*startup)(unsigned int irq); 57 void (*shutdown)(unsigned int irq); 58 void (*enable)(unsigned int irq); 59 void (*disable)(unsigned int irq); 60 61 void (*ack)(unsigned int irq); 62 void (*mask)(unsigned int irq); 63 void (*mask_ack)(unsigned int irq); 64 void (*unmask)(unsigned int irq); 65 void (*eoi)(unsigned int irq); 66 67 void (*end)(unsigned int irq); 68 void (*set_affinity)(unsigned int irq, cpumask_t dest); 69 int (*retrigger)(unsigned int irq); 70 int (*set_type)(unsigned int irq, unsigned int flow_type); 71 int (*set_wake)(unsigned int irq, unsigned int on); 72 73 const char *typename; 74 }; 75 76 struct irq_desc { 77 void fastcall (*handle_irq)(unsigned int irq, 78 struct irq_desc *desc, 79 struct pt_regs *regs); 80 struct irq_chip *chip; 81 void *handler_data; 82 void *chip_data; 83 struct irqaction *action; 84 unsigned int status; 85 86 unsigned int depth; 87 unsigned int wake_depth; 88 unsigned int irq_count; 89 unsigned int irqs_unhandled; 90 spinlock_t lock; 91 } ____cacheline_aligned; 92 93 #define hw_interrupt_type irq_chip 94 typedef struct irq_chip hw_irq_controller; 95 #define no_irq_type no_irq_chip 96 typedef struct irq_desc irq_desc_t; 97 98 #include <asm/hw_irq.h> 99 100 #endif 101