Commit 30d77c3e authored by Jan Glauber's avatar Jan Glauber Committed by Martin Schwidefsky
Browse files

[S390] qdio: add qdio interrupts to interrupt statistics 



Count traditional qdio interrupts and adapter interrupts for qdio
in the interrupt statistics.

Signed-off-by: default avatarJan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 052ff461

arch/s390/include/asm/irq.h

+2 −0
Original line number Diff line number Diff line
@@ -15,6 +15,8 @@ enum interruption_class { 
	EXTINT_VRT,

	EXTINT_SCP,

	EXTINT_IUC,

	IOINT_QAI,

	IOINT_QDI,

	NMI_NMI,

	NR_IRQS,

};

arch/s390/kernel/irq.c

+2 −0
Original line number Diff line number Diff line
@@ -32,6 +32,8 @@ static const struct irq_class intrclass_names[] = { 
	{.name = "VRT", .desc = "[EXT] Virtio" },

	{.name = "SCP", .desc = "[EXT] Service Call" },

	{.name = "IUC", .desc = "[EXT] IUCV" },

	{.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" },

	{.name = "QDI", .desc = "[I/O] QDIO Interrupt" },

	{.name = "NMI", .desc = "[NMI] Machine Check" },

};

drivers/s390/cio/qdio_main.c

+2 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ 
#include <linux/timer.h>

#include <linux/delay.h>

#include <linux/gfp.h>

#include <linux/kernel_stat.h>

#include <asm/atomic.h>

#include <asm/debug.h>

#include <asm/qdio.h>
@@ -970,6 +971,7 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm, 
		return;

	}



	kstat_cpu(smp_processor_id()).irqs[IOINT_QDI]++;

	if (irq_ptr->perf_stat_enabled)

		irq_ptr->perf_stat.qdio_int++;

drivers/s390/cio/qdio_thinint.c

+2 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
 */

#include <linux/io.h>

#include <linux/slab.h>

#include <linux/kernel_stat.h>

#include <asm/atomic.h>

#include <asm/debug.h>

#include <asm/qdio.h>
@@ -127,6 +128,7 @@ static void tiqdio_thinint_handler(void *alsi, void *data) 
	struct qdio_q *q;



	last_ai_time = S390_lowcore.int_clock;

	kstat_cpu(smp_processor_id()).irqs[IOINT_QAI]++;



	/*

	 * SVS only when needed: issue SVS to benefit from iqdio interrupt