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genirq: Provide IRQD_FORWARDED_TO_VCPU status flag

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Provide a irq data flag to mark an irq forwarded to a VCPU along with
the accessor functions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Thomas Gleixner
2015-09-15 12:33:42 +02:00
parent 755d119a62
commit fc5697126a
1 changed files with 16 additions and 0 deletions
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16
include/linux/irq.h
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@ -186,6 +186,7 @@ struct irq_data {
* IRQD_IRQ_MASKED - Masked state of the interrupt * IRQD_IRQ_MASKED - Masked state of the interrupt
* IRQD_IRQ_INPROGRESS - In progress state of the interrupt * IRQD_IRQ_INPROGRESS - In progress state of the interrupt
* IRQD_WAKEUP_ARMED - Wakeup mode armed * IRQD_WAKEUP_ARMED - Wakeup mode armed
* IRQD_FORWARDED_TO_VCPU - The interrupt is forwarded to a VCPU
*/ */
enum { enum {
IRQD_TRIGGER_MASK = 0xf, IRQD_TRIGGER_MASK = 0xf,
@ -200,6 +201,7 @@ enum {
IRQD_IRQ_MASKED = (1 << 17), IRQD_IRQ_MASKED = (1 << 17),
IRQD_IRQ_INPROGRESS = (1 << 18), IRQD_IRQ_INPROGRESS = (1 << 18),
IRQD_WAKEUP_ARMED = (1 << 19), IRQD_WAKEUP_ARMED = (1 << 19),
IRQD_FORWARDED_TO_VCPU = (1 << 20),
}; };
#define __irqd_to_state(d) ((d)->common->state_use_accessors) #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; 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 * Functions for chained handlers which can be enabled/disabled by the