Commit 30e63ef2 authored by Sebastian Ott's avatar Sebastian Ott Committed by Martin Schwidefsky
Browse files

s390/airq: recognize directed interrupts 



Add an extra parameter for airq handlers to recognize
floating vs. directed interrupts.

Signed-off-by: default avatarSebastian Ott <sebott@linux.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 0a9fddfa

arch/s390/include/asm/airq.h

+1 −1
Original line number Diff line number Diff line
@@ -14,7 +14,7 @@ 


struct airq_struct {

	struct hlist_node list;		/* Handler queueing. */

	void (*handler)(struct airq_struct *);	/* Thin-interrupt handler */

	void (*handler)(struct airq_struct *airq, bool floating);

	u8 *lsi_ptr;			/* Local-Summary-Indicator pointer */

	u8 lsi_mask;			/* Local-Summary-Indicator mask */

	u8 isc;				/* Interrupt-subclass */

arch/s390/kvm/interrupt.c

+1 −1
Original line number Diff line number Diff line
@@ -3194,7 +3194,7 @@ out: 
}

EXPORT_SYMBOL_GPL(kvm_s390_gisc_unregister);



static void gib_alert_irq_handler(struct airq_struct *airq)

static void gib_alert_irq_handler(struct airq_struct *airq, bool floating)

{

	inc_irq_stat(IRQIO_GAL);

	process_gib_alert_list();

arch/s390/pci/pci_irq.c

+1 −1
Original line number Diff line number Diff line
@@ -56,7 +56,7 @@ static struct irq_chip zpci_irq_chip = { 
	.irq_mask = pci_msi_mask_irq,

};



static void zpci_irq_handler(struct airq_struct *airq)

static void zpci_irq_handler(struct airq_struct *airq, bool floating)

{

	unsigned long si, ai;

	struct airq_iv *aibv;

drivers/s390/cio/airq.c

+1 −1
Original line number Diff line number Diff line
@@ -95,7 +95,7 @@ static irqreturn_t do_airq_interrupt(int irq, void *dummy) 
	rcu_read_lock();

	hlist_for_each_entry_rcu(airq, head, list)

		if ((*airq->lsi_ptr & airq->lsi_mask) != 0)

			airq->handler(airq);

			airq->handler(airq, !tpi_info->directed_irq);

	rcu_read_unlock();



	return IRQ_HANDLED;

drivers/s390/cio/cio.h

+1 −1
Original line number Diff line number Diff line
@@ -51,7 +51,7 @@ struct tpi_info { 
	struct subchannel_id schid;

	u32 intparm;

	u32 adapter_IO:1;

	u32 :1;

	u32 directed_irq:1;

	u32 isc:3;

	u32 :27;

	u32 type:3;

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