diff options
Diffstat (limited to 'include/linux/interrupt.h')
| -rw-r--r-- | include/linux/interrupt.h | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index a103732b758..c5f856a040b 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -19,8 +19,6 @@ #include <linux/atomic.h> #include <asm/ptrace.h> -#include <asm/system.h> -#include <trace/events/irq.h> /* * These correspond to the IORESOURCE_IRQ_* defines in @@ -44,7 +42,6 @@ * * IRQF_DISABLED - keep irqs disabled when calling the action handler. * DEPRECATED. This flag is a NOOP and scheduled to be removed - * IRQF_SAMPLE_RANDOM - irq is used to feed the random generator * IRQF_SHARED - allow sharing the irq among several devices * IRQF_PROBE_SHARED - set by callers when they expect sharing mismatches to occur * IRQF_TIMER - Flag to mark this interrupt as timer interrupt @@ -59,9 +56,10 @@ * IRQF_NO_SUSPEND - Do not disable this IRQ during suspend * IRQF_FORCE_RESUME - Force enable it on resume even if IRQF_NO_SUSPEND is set * IRQF_NO_THREAD - Interrupt cannot be threaded + * IRQF_EARLY_RESUME - Resume IRQ early during syscore instead of at device + * resume time. */ #define IRQF_DISABLED 0x00000020 -#define IRQF_SAMPLE_RANDOM 0x00000040 #define IRQF_SHARED 0x00000080 #define IRQF_PROBE_SHARED 0x00000100 #define __IRQF_TIMER 0x00000200 @@ -72,6 +70,7 @@ #define IRQF_NO_SUSPEND 0x00004000 #define IRQF_FORCE_RESUME 0x00008000 #define IRQF_NO_THREAD 0x00010000 +#define IRQF_EARLY_RESUME 0x00020000 #define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD) @@ -92,29 +91,31 @@ typedef irqreturn_t (*irq_handler_t)(int, void *); /** * struct irqaction - per interrupt action descriptor * @handler: interrupt handler function - * @flags: flags (see IRQF_* above) * @name: name of the device * @dev_id: cookie to identify the device + * @percpu_dev_id: cookie to identify the device * @next: pointer to the next irqaction for shared interrupts * @irq: interrupt number - * @dir: pointer to the proc/irq/NN/name entry + * @flags: flags (see IRQF_* above) * @thread_fn: interrupt handler function for threaded interrupts * @thread: thread pointer for threaded interrupts * @thread_flags: flags related to @thread * @thread_mask: bitmask for keeping track of @thread activity + * @dir: pointer to the proc/irq/NN/name entry */ struct irqaction { - irq_handler_t handler; - unsigned long flags; - void *dev_id; - struct irqaction *next; - int irq; - irq_handler_t thread_fn; - struct task_struct *thread; - unsigned long thread_flags; - unsigned long thread_mask; - const char *name; - struct proc_dir_entry *dir; + irq_handler_t handler; + void *dev_id; + void __percpu *percpu_dev_id; + struct irqaction *next; + irq_handler_t thread_fn; + struct task_struct *thread; + unsigned int irq; + unsigned int flags; + unsigned long thread_flags; + unsigned long thread_mask; + const char *name; + struct proc_dir_entry *dir; } ____cacheline_internodealigned_in_smp; extern irqreturn_t no_action(int cpl, void *dev_id); @@ -136,7 +137,9 @@ extern int __must_check request_any_context_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, const char *name, void *dev_id); -extern void exit_irq_thread(void); +extern int __must_check +request_percpu_irq(unsigned int irq, irq_handler_t handler, + const char *devname, void __percpu *percpu_dev_id); #else extern int __must_check @@ -164,10 +167,16 @@ request_any_context_irq(unsigned int irq, irq_handler_t handler, return request_irq(irq, handler, flags, name, dev_id); } -static inline void exit_irq_thread(void) { } +static inline int __must_check +request_percpu_irq(unsigned int irq, irq_handler_t handler, + const char *devname, void __percpu *percpu_dev_id) +{ + return request_irq(irq, handler, 0, devname, percpu_dev_id); +} #endif extern void free_irq(unsigned int, void *); +extern void free_percpu_irq(unsigned int, void __percpu *); struct device; @@ -207,7 +216,9 @@ extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id); extern void disable_irq_nosync(unsigned int irq); extern void disable_irq(unsigned int irq); +extern void disable_percpu_irq(unsigned int irq); extern void enable_irq(unsigned int irq); +extern void enable_percpu_irq(unsigned int irq, unsigned int type); /* The following three functions are for the core kernel use only. */ #ifdef CONFIG_GENERIC_HARDIRQS @@ -437,11 +448,7 @@ asmlinkage void do_softirq(void); asmlinkage void __do_softirq(void); extern void open_softirq(int nr, void (*action)(struct softirq_action *)); extern void softirq_init(void); -static inline void __raise_softirq_irqoff(unsigned int nr) -{ - trace_softirq_raise(nr); - or_softirq_pending(1UL << nr); -} +extern void __raise_softirq_irqoff(unsigned int nr); extern void raise_softirq_irqoff(unsigned int nr); extern void raise_softirq(unsigned int nr); |