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Commit fc569712 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

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: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 755d119a

include/linux/irq.h

+16 −0
Original line number Diff line number Diff line
@@ -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