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authorSebastian Ott <sebott@linux.ibm.com>2018-10-28 11:51:56 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2019-04-29 10:47:01 +0200
commit30e63ef2ef43f014bf2039bd57cc917780d6a44b (patch)
tree9cdcede18e3b4465dd20f4baf5e9d9e01c4bea52 /drivers/s390/cio
parents390/sclp: detect DIRQ facility (diff)
downloadlinux-dev-30e63ef2ef43f014bf2039bd57cc917780d6a44b.tar.xz
linux-dev-30e63ef2ef43f014bf2039bd57cc917780d6a44b.zip
s390/airq: recognize directed interrupts
Add an extra parameter for airq handlers to recognize floating vs. directed interrupts. Signed-off-by: Sebastian Ott <sebott@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/airq.c2
-rw-r--r--drivers/s390/cio/cio.h2
-rw-r--r--drivers/s390/cio/qdio_thinint.c4
3 files changed, 4 insertions, 4 deletions
diff --git a/drivers/s390/cio/airq.c b/drivers/s390/cio/airq.c
index a45011e4529e..e045e79f061c 100644
--- a/drivers/s390/cio/airq.c
+++ b/drivers/s390/cio/airq.c
@@ -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;
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 92eabbb5f18d..06a91743335a 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -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;
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c
index 07dea602205b..28d59ac2204c 100644
--- a/drivers/s390/cio/qdio_thinint.c
+++ b/drivers/s390/cio/qdio_thinint.c
@@ -40,7 +40,7 @@ static LIST_HEAD(tiq_list);
static DEFINE_MUTEX(tiq_list_lock);
/* Adapter interrupt definitions */
-static void tiqdio_thinint_handler(struct airq_struct *airq);
+static void tiqdio_thinint_handler(struct airq_struct *airq, bool floating);
static struct airq_struct tiqdio_airq = {
.handler = tiqdio_thinint_handler,
@@ -179,7 +179,7 @@ static inline void tiqdio_call_inq_handlers(struct qdio_irq *irq)
* tiqdio_thinint_handler - thin interrupt handler for qdio
* @airq: pointer to adapter interrupt descriptor
*/
-static void tiqdio_thinint_handler(struct airq_struct *airq)
+static void tiqdio_thinint_handler(struct airq_struct *airq, bool floating)
{
u32 si_used = clear_shared_ind();
struct qdio_q *q;