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-rw-r--r--include/linux/interrupt.h38
1 files changed, 27 insertions, 11 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index a103732b7588..664544ff77d5 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -95,6 +95,7 @@ typedef irqreturn_t (*irq_handler_t)(int, void *);
95 * @flags: flags (see IRQF_* above) 95 * @flags: flags (see IRQF_* above)
96 * @name: name of the device 96 * @name: name of the device
97 * @dev_id: cookie to identify the device 97 * @dev_id: cookie to identify the device
98 * @percpu_dev_id: cookie to identify the device
98 * @next: pointer to the next irqaction for shared interrupts 99 * @next: pointer to the next irqaction for shared interrupts
99 * @irq: interrupt number 100 * @irq: interrupt number
100 * @dir: pointer to the proc/irq/NN/name entry 101 * @dir: pointer to the proc/irq/NN/name entry
@@ -104,17 +105,18 @@ typedef irqreturn_t (*irq_handler_t)(int, void *);
104 * @thread_mask: bitmask for keeping track of @thread activity 105 * @thread_mask: bitmask for keeping track of @thread activity
105 */ 106 */
106struct irqaction { 107struct irqaction {
107 irq_handler_t handler; 108 irq_handler_t handler;
108 unsigned long flags; 109 unsigned long flags;
109 void *dev_id; 110 void *dev_id;
110 struct irqaction *next; 111 void __percpu *percpu_dev_id;
111 int irq; 112 struct irqaction *next;
112 irq_handler_t thread_fn; 113 int irq;
113 struct task_struct *thread; 114 irq_handler_t thread_fn;
114 unsigned long thread_flags; 115 struct task_struct *thread;
115 unsigned long thread_mask; 116 unsigned long thread_flags;
116 const char *name; 117 unsigned long thread_mask;
117 struct proc_dir_entry *dir; 118 const char *name;
119 struct proc_dir_entry *dir;
118} ____cacheline_internodealigned_in_smp; 120} ____cacheline_internodealigned_in_smp;
119 121
120extern irqreturn_t no_action(int cpl, void *dev_id); 122extern irqreturn_t no_action(int cpl, void *dev_id);
@@ -136,6 +138,10 @@ extern int __must_check
136request_any_context_irq(unsigned int irq, irq_handler_t handler, 138request_any_context_irq(unsigned int irq, irq_handler_t handler,
137 unsigned long flags, const char *name, void *dev_id); 139 unsigned long flags, const char *name, void *dev_id);
138 140
141extern int __must_check
142request_percpu_irq(unsigned int irq, irq_handler_t handler,
143 const char *devname, void __percpu *percpu_dev_id);
144
139extern void exit_irq_thread(void); 145extern void exit_irq_thread(void);
140#else 146#else
141 147
@@ -164,10 +170,18 @@ request_any_context_irq(unsigned int irq, irq_handler_t handler,
164 return request_irq(irq, handler, flags, name, dev_id); 170 return request_irq(irq, handler, flags, name, dev_id);
165} 171}
166 172
173static inline int __must_check
174request_percpu_irq(unsigned int irq, irq_handler_t handler,
175 const char *devname, void __percpu *percpu_dev_id)
176{
177 return request_irq(irq, handler, 0, devname, percpu_dev_id);
178}
179
167static inline void exit_irq_thread(void) { } 180static inline void exit_irq_thread(void) { }
168#endif 181#endif
169 182
170extern void free_irq(unsigned int, void *); 183extern void free_irq(unsigned int, void *);
184extern void free_percpu_irq(unsigned int, void __percpu *);
171 185
172struct device; 186struct device;
173 187
@@ -207,7 +221,9 @@ extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id);
207 221
208extern void disable_irq_nosync(unsigned int irq); 222extern void disable_irq_nosync(unsigned int irq);
209extern void disable_irq(unsigned int irq); 223extern void disable_irq(unsigned int irq);
224extern void disable_percpu_irq(unsigned int irq);
210extern void enable_irq(unsigned int irq); 225extern void enable_irq(unsigned int irq);
226extern void enable_percpu_irq(unsigned int irq, unsigned int type);
211 227
212/* The following three functions are for the core kernel use only. */ 228/* The following three functions are for the core kernel use only. */
213#ifdef CONFIG_GENERIC_HARDIRQS 229#ifdef CONFIG_GENERIC_HARDIRQS