linux-s390.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [GIT PULL 19/52] s390/sclp: detect 64-bit-SCAO facility
@ 2016-06-14 18:56 Christian Borntraeger
  0 siblings, 0 replies; 2+ messages in thread
From: Christian Borntraeger @ 2016-06-14 18:56 UTC (permalink / raw)
  To: linux-s390

From: David Hildenbrand <dahi@linux.vnet.ibm.com>

Let's correctly detect that facility, so we can correctly handle its
abscence later on.

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---
 arch/s390/include/asm/sclp.h   | 1 +
 drivers/s390/char/sclp_early.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 49736a0..5214000 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -59,6 +59,7 @@ struct sclp_info {
 	unsigned char has_hvs : 1;
 	unsigned char has_esca : 1;
 	unsigned char has_sief2 : 1;
+	unsigned char has_64bscao : 1;
 	unsigned int ibc;
 	unsigned int mtid;
 	unsigned int mtid_cp;
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index 0ac520d..211eb86a 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -114,6 +114,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
 	sclp.facilities = sccb->facilities;
 	sclp.has_sprp = !!(sccb->fac84 & 0x02);
 	sclp.has_core_type = !!(sccb->fac84 & 0x01);
+	sclp.has_64bscao = !!(sccb->fac116 & 0x80);
 	sclp.has_esca = !!(sccb->fac116 & 0x08);
 	sclp.has_hvs = !!(sccb->fac119 & 0x80);
 	if (sccb->fac85 & 0x02)
-- 
2.5.5

^ permalink raw reply related	[flat|nested] 2+ messages in thread
[parent not found: <1465930649-181383-1-git-send-email-borntraeger@de.ibm.com>]
end of thread, other threads:[~2016-06-14 18:56 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-06-14 18:56 [GIT PULL 19/52] s390/sclp: detect 64-bit-SCAO facility Christian Borntraeger
     [not found] <1465930649-181383-1-git-send-email-borntraeger@de.ibm.com>
2016-06-14 18:56 ` Christian Borntraeger

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).