1 files changed, 47 insertions, 0 deletions

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index db2a63a11633..cf682a73a6f9 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -14,6 +14,53 @@
 #include <asm/ptrace.h>
 #include <asm/system.h>
 
+/*
+ * These correspond to the IORESOURCE_IRQ_* defines in
+ * linux/ioport.h to select the interrupt line behaviour.  When
+ * requesting an interrupt without specifying a IRQF_TRIGGER, the
+ * setting should be assumed to be "as already configured", which
+ * may be as per machine or firmware initialisation.
+ */
+#define IRQF_TRIGGER_NONE       0x00000000
+#define IRQF_TRIGGER_RISING     0x00000001
+#define IRQF_TRIGGER_FALLING    0x00000002
+#define IRQF_TRIGGER_HIGH       0x00000004
+#define IRQF_TRIGGER_LOW        0x00000008
+#define IRQF_TRIGGER_MASK       (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW | \
+                                 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)
+#define IRQF_TRIGGER_PROBE      0x00000010
+
+/*
+ * These flags used only by the kernel as part of the
+ * irq handling routines.
+ *
+ * IRQF_DISABLED - keep irqs disabled when calling the action handler
+ * 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
+ */
+#define IRQF_DISABLED           0x00000020
+#define IRQF_SAMPLE_RANDOM      0x00000040
+#define IRQF_SHARED             0x00000080
+#define IRQF_PROBE_SHARED       0x00000100
+#define IRQF_TIMER              0x00000200
+
+/*
+ * Migration helpers. Scheduled for removal in 1/2007
+ * Do not use for new code !
+ */
+#define SA_INTERRUPT            IRQF_DISABLED
+#define SA_SAMPLE_RANDOM        IRQF_SAMPLE_RANDOM
+#define SA_SHIRQ                IRQF_SHARED
+#define SA_PROBEIRQ             IRQF_PROBE_SHARED
+
+#define SA_TRIGGER_LOW          IRQF_TRIGGER_LOW
+#define SA_TRIGGER_HIGH         IRQF_TRIGGER_HIGH
+#define SA_TRIGGER_FALLING      IRQF_TRIGGER_FALLING
+#define SA_TRIGGER_RISING       IRQF_TRIGGER_RISING
+#define SA_TRIGGER_MASK         IRQF_TRIGGER_MASK
+
 struct irqaction {
         irqreturn_t (*handler)(int, void *, struct pt_regs *);
         unsigned long flags;