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[S390] 3215: add support for irq statistics

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Add support for 3215 I/O interrupt statistics in /proc/interrupts.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2011-01-05 12:47:31 +01:00 committed by Martin Schwidefsky
parent 3283942b71
commit 12fae5858c
3 changed files with 4 additions and 0 deletions
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1
arch/s390/include/asm/irq.h
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@ -18,6 +18,7 @@ enum interruption_class {
IOINT_QAI,
IOINT_QDI,
IOINT_DAS,
IOINT_C15,
NMI_NMI,
NR_IRQS,
};

1
arch/s390/kernel/irq.c
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@ -35,6 +35,7 @@ static const struct irq_class intrclass_names[] = {
{.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" },
{.name = "QDI", .desc = "[I/O] QDIO Interrupt" },
{.name = "DAS", .desc = "[I/O] DASD" },
{.name = "C15", .desc = "[I/O] 3215" },
{.name = "NMI", .desc = "[NMI] Machine Check" },
};

2
drivers/s390/char/con3215.c
View File

@ -9,6 +9,7 @@
* Dan Morrison, IBM Corporation <dmorriso@cse.buffalo.edu>
*/
#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kdev_t.h>
@ -361,6 +362,7 @@ static void raw3215_irq(struct ccw_device *cdev, unsigned long intparm,
int cstat, dstat;
int count;
kstat_cpu(smp_processor_id()).irqs[IOINT_C15]++;
raw = dev_get_drvdata(&cdev->dev);
req = (struct raw3215_req *) intparm;
cstat = irb->scsw.cmd.cstat;