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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-01-05 12:47:32 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-01-05 12:47:25 +0100
commit3fe22f6bfd6f81aafd140d69578d3a2c39674664 (patch)
tree299ea61e404e827d67b4b834bb0c189c631af62b
parent12fae5858cd97181c92472c9bb5f098a7eca2ffe (diff)
[S390] 3270: add support for irq statistics
Add support for 3270 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>
-rw-r--r--arch/s390/include/asm/irq.h1
-rw-r--r--arch/s390/kernel/irq.c1
-rw-r--r--drivers/s390/char/raw3270.c2
3 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index d52533df6ac..65e63c02b0f 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -19,6 +19,7 @@ enum interruption_class {
IOINT_QDI,
IOINT_DAS,
IOINT_C15,
+ IOINT_C70,
NMI_NMI,
NR_IRQS,
};
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index e7914e4adc4..8c241416576 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -36,6 +36,7 @@ static const struct irq_class intrclass_names[] = {
{.name = "QDI", .desc = "[I/O] QDIO Interrupt" },
{.name = "DAS", .desc = "[I/O] DASD" },
{.name = "C15", .desc = "[I/O] 3215" },
+ {.name = "C70", .desc = "[I/O] 3270" },
{.name = "NMI", .desc = "[NMI] Machine Check" },
};
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 2a4c566456e..96ba2fd1c8a 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -7,6 +7,7 @@
* Copyright IBM Corp. 2003, 2009
*/
+#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/init.h>
@@ -329,6 +330,7 @@ raw3270_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
struct raw3270_request *rq;
int rc;
+ kstat_cpu(smp_processor_id()).irqs[IOINT_C70]++;
rp = dev_get_drvdata(&cdev->dev);
if (!rp)
return;