genirq: Introduce IRQD_MANAGED_SHUTDOWN

[mirror_ubuntu-bionic-kernel.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 4087ef268ba998b75bfd6311ae9c66b6a3718f2b..0e37276c531506e29e86c4a1389126f497fd7675 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -207,6 +207,8 @@ struct irq_data {
  * IRQD_FORWARDED_TO_VCPU      - The interrupt is forwarded to a VCPU
  * IRQD_AFFINITY_MANAGED       - Affinity is auto-managed by the kernel
  * IRQD_IRQ_STARTED            - Startup state of the interrupt
+ * IRQD_MANAGED_SHUTDOWN       - Interrupt was shutdown due to empty affinity
+ *                               mask. Applies only to affinity managed irqs.
  */
 enum {
        IRQD_TRIGGER_MASK               = 0xf,
@@ -225,6 +227,7 @@ enum {
        IRQD_FORWARDED_TO_VCPU          = (1 << 20),
        IRQD_AFFINITY_MANAGED           = (1 << 21),
        IRQD_IRQ_STARTED                = (1 << 22),
+       IRQD_MANAGED_SHUTDOWN           = (1 << 23),
 };
 
 #define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors)
@@ -343,6 +346,11 @@ static inline bool irqd_is_started(struct irq_data *d)
        return __irqd_to_state(d) & IRQD_IRQ_STARTED;
 }
 
+static inline bool irqd_is_managed_shutdown(struct irq_data *d)
+{
+       return __irqd_to_state(d) & IRQD_MANAGED_SHUTDOWN;
+}
+
 #undef __irqd_to_state
 
 static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)