diff options
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index f7cade00c525..8da001eb82aa 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -73,6 +73,7 @@ enum irqchip_irq_state; * it from the spurious interrupt detection * mechanism and from core side polling. * IRQ_DISABLE_UNLAZY - Disable lazy irq disable + * IRQ_AFFINITY_MANAGED - Affinity is auto-managed by the kernel */ enum { IRQ_TYPE_NONE = 0x00000000, @@ -99,13 +100,14 @@ enum { IRQ_PER_CPU_DEVID = (1 << 17), IRQ_IS_POLLED = (1 << 18), IRQ_DISABLE_UNLAZY = (1 << 19), + IRQ_AFFINITY_MANAGED = (1 << 21), }; #define IRQF_MODIFY_MASK \ (IRQ_TYPE_SENSE_MASK | IRQ_NOPROBE | IRQ_NOREQUEST | \ IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \ IRQ_PER_CPU | IRQ_NESTED_THREAD | IRQ_NOTHREAD | IRQ_PER_CPU_DEVID | \ - IRQ_IS_POLLED | IRQ_DISABLE_UNLAZY) + IRQ_IS_POLLED | IRQ_DISABLE_UNLAZY | IRQ_AFFINITY_MANAGED) #define IRQ_NO_BALANCING_MASK (IRQ_PER_CPU | IRQ_NO_BALANCING) @@ -191,6 +193,7 @@ struct irq_data { * 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 + * IRQD_AFFINITY_MANAGED - Affinity is auto-managed by the kernel */ enum { IRQD_TRIGGER_MASK = 0xf, @@ -206,6 +209,7 @@ enum { IRQD_IRQ_INPROGRESS = (1 << 18), IRQD_WAKEUP_ARMED = (1 << 19), IRQD_FORWARDED_TO_VCPU = (1 << 20), + IRQD_AFFINITY_MANAGED = (1 << 21), }; #define __irqd_to_state(d) ((d)->common->state_use_accessors) @@ -299,6 +303,11 @@ static inline void irqd_clr_forwarded_to_vcpu(struct irq_data *d) __irqd_to_state(d) &= ~IRQD_FORWARDED_TO_VCPU; } +static inline bool irqd_affinity_is_managed(struct irq_data *d) +{ + return __irqd_to_state(d) & IRQD_AFFINITY_MANAGED; +} + static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) { return d->hwirq; @@ -464,15 +473,15 @@ static inline int irq_set_parent(int irq, int parent_irq) * Built-in IRQ handlers for various IRQ types, * callable via desc->handle_irq() */ -extern void handle_level_irq(struct irq_desc *desc); -extern void handle_fasteoi_irq(struct irq_desc *desc); -extern void handle_edge_irq(struct irq_desc *desc); -extern void handle_edge_eoi_irq(struct irq_desc *desc); -extern void handle_simple_irq(struct irq_desc *desc); -extern void handle_percpu_irq(struct irq_desc *desc); -extern void handle_percpu_devid_irq(struct irq_desc *desc); -extern void handle_bad_irq(struct irq_desc *desc); -extern void handle_nested_irq(unsigned int irq); +extern bool handle_level_irq(struct irq_desc *desc); +extern bool handle_fasteoi_irq(struct irq_desc *desc); +extern bool handle_edge_irq(struct irq_desc *desc); +extern bool handle_edge_eoi_irq(struct irq_desc *desc); +extern bool handle_simple_irq(struct irq_desc *desc); +extern bool handle_percpu_irq(struct irq_desc *desc); +extern bool handle_percpu_devid_irq(struct irq_desc *desc); +extern bool handle_bad_irq(struct irq_desc *desc); +extern bool handle_nested_irq(unsigned int irq); extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY |