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Commit 62d146ff authored by Holger Dengler's avatar Holger Dengler Committed by Martin Schwidefsky
Browse files

[S390] ap bus: add support for irq statistics 



Add support for AP Bus I/O interrupt statistics in /proc/interrupts.

Signed-off-by: default avatarHolger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: default avatarFelix Beck <felix.beck@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 85b81cdd

arch/s390/include/asm/irq.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -25,6 +25,7 @@ enum interruption_class { 
	IOINT_LCS,

	IOINT_LCS,

	IOINT_CLW,

	IOINT_CLW,

	IOINT_CTC,

	IOINT_CTC,

	IOINT_APB,

	NMI_NMI,

	NMI_NMI,

	NR_IRQS,

	NR_IRQS,

};

};

arch/s390/kernel/irq.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -42,6 +42,7 @@ static const struct irq_class intrclass_names[] = { 
	{.name = "LCS", .desc = "[I/O] LCS" },

	{.name = "LCS", .desc = "[I/O] LCS" },

	{.name = "CLW", .desc = "[I/O] CLAW" },

	{.name = "CLW", .desc = "[I/O] CLAW" },

	{.name = "CTC", .desc = "[I/O] CTC" },

	{.name = "CTC", .desc = "[I/O] CTC" },

	{.name = "APB", .desc = "[I/O] AP Bus" },

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

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

};

};

drivers/s390/crypto/ap_bus.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -27,6 +27,7 @@ 
#define KMSG_COMPONENT "ap"

#define KMSG_COMPONENT "ap"

#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt





#include <linux/kernel_stat.h>

#include <linux/module.h>

#include <linux/module.h>

#include <linux/init.h>

#include <linux/init.h>

#include <linux/delay.h>

#include <linux/delay.h>
@@ -1042,6 +1043,7 @@ static int ap_probe_device_type(struct ap_device *ap_dev) 




static void ap_interrupt_handler(void *unused1, void *unused2)

static void ap_interrupt_handler(void *unused1, void *unused2)

{

{

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

	tasklet_schedule(&ap_tasklet);

	tasklet_schedule(&ap_tasklet);

}

}