[PATCH] genirq: irq: add a dynamic irq creation API

[deliverable/linux.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 48d3cb3b6a4737d380bdbe21e8be467284640bd1..82dbb0e8f40b6b14921308fb832f6b30faf17e8a 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -59,6 +59,7 @@
 #define IRQ_NOAUTOEN           0x08000000      /* IRQ will not be enabled on request irq */
 #define IRQ_DELAYED_DISABLE    0x10000000      /* IRQ disable (masking) happens delayed. */
 #define IRQ_WAKEUP             0x20000000      /* IRQ triggers system wakeup */
+#define IRQ_MOVE_PENDING       0x40000000      /* need to re-target IRQ destination */
 
 struct proc_dir_entry;
 
@@ -132,7 +133,6 @@ struct irq_chip {
  * @affinity:          IRQ affinity on SMP
  * @cpu:               cpu index useful for balancing
  * @pending_mask:      pending rebalanced interrupts
- * @move_irq:          need to re-target IRQ destination
  * @dir:               /proc/irq/ procfs entry
  * @affinity_entry:    /proc/irq/smp_affinity procfs entry on SMP
  *
@@ -159,7 +159,6 @@ struct irq_desc {
 #endif
 #if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)
        cpumask_t               pending_mask;
-       unsigned int            move_irq;       /* need to re-target IRQ dest */
 #endif
 #ifdef CONFIG_PROC_FS
        struct proc_dir_entry *dir;
@@ -206,6 +205,7 @@ static inline void set_native_irq_info(int irq, cpumask_t mask)
 
 void set_pending_irq(unsigned int irq, cpumask_t mask);
 void move_native_irq(int irq);
+void move_masked_irq(int irq);
 
 #ifdef CONFIG_PCI_MSI
 /*
@@ -247,6 +247,10 @@ static inline void move_native_irq(int irq)
 {
 }
 
+static inline void move_masked_irq(int irq)
+{
+}
+
 static inline void set_pending_irq(unsigned int irq, cpumask_t mask)
 {
 }
@@ -262,6 +266,7 @@ static inline void set_irq_info(int irq, cpumask_t mask)
 
 #define move_irq(x)
 #define move_native_irq(x)
+#define move_masked_irq(x)
 
 #endif /* CONFIG_SMP */
 
@@ -399,8 +404,15 @@ set_irq_chained_handler(unsigned int irq,
        __set_irq_handler(irq, handle, 1);
 }
 
-/* Set/get chip/data for an IRQ: */
+/* Handle dynamic irq creation and destruction */
+extern int create_irq(void);
+extern void destroy_irq(unsigned int irq);
+
+/* Dynamic irq helper functions */
+extern void dynamic_irq_init(unsigned int irq);
+extern void dynamic_irq_cleanup(unsigned int irq);
 
+/* Set/get chip/data for an IRQ: */
 extern int set_irq_chip(unsigned int irq, struct irq_chip *chip);
 extern int set_irq_data(unsigned int irq, void *data);
 extern int set_irq_chip_data(unsigned int irq, void *data);