Commit-ID: fc5697126aa074c289df5e8baae28e115963023f
Gitweb: http://git.kernel.org/tip/fc5697126aa074c289df5e8baae28e115963023f
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 15 Sep 2015 12:33:42 +0200
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 16 Sep 2015 15:46:48 +0200
genirq: Provide IRQD_FORWARDED_TO_VCPU status flag
Provide a irq data flag to mark an irq forwarded to a VCPU along with
the accessor functions.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
include/linux/irq.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 72a6b2f..e54ae82 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -186,6 +186,7 @@ struct irq_data {
* IRQD_IRQ_MASKED - Masked state of the interrupt
* IRQD_IRQ_INPROGRESS - In progress state of the interrupt
* IRQD_WAKEUP_ARMED - Wakeup mode armed
+ * IRQD_FORWARDED_TO_VCPU - The interrupt is forwarded to a VCPU
*/
enum {
IRQD_TRIGGER_MASK = 0xf,
@@ -200,6 +201,7 @@ enum {
IRQD_IRQ_MASKED = (1 << 17),
IRQD_IRQ_INPROGRESS = (1 << 18),
IRQD_WAKEUP_ARMED = (1 << 19),
+ IRQD_FORWARDED_TO_VCPU = (1 << 20),
};
#define __irqd_to_state(d) ((d)->common->state_use_accessors)
@@ -278,6 +280,20 @@ static inline bool irqd_is_wakeup_armed(struct irq_data *d)
return __irqd_to_state(d) & IRQD_WAKEUP_ARMED;
}
+static inline bool irqd_is_forwarded_to_vcpu(struct irq_data *d)
+{
+ return __irqd_to_state(d) & IRQD_FORWARDED_TO_VCPU;
+}
+
+static inline void irqd_set_forwarded_to_vcpu(struct irq_data *d)
+{
+ __irqd_to_state(d) |= IRQD_FORWARDED_TO_VCPU;
+}
+
+static inline void irqd_clr_forwarded_to_vcpu(struct irq_data *d)
+{
+ __irqd_to_state(d) &= ~IRQD_FORWARDED_TO_VCPU;
+}
/*
* Functions for chained handlers which can be enabled/disabled by the
--
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