From: Michael Mueller <mimu@linux.vnet.ibm.com>
Date: Mon, 10 Jul 2017 11:03:42 +0200
Subject: s390/css: indicate the availability of the AIV facility
Git-commit: 72b523a30d9b9c7f749c3209e13de983aeb919c1
Patch-mainline: v4.16-rc1
References: jsc#SLE-6412

The patch adds an indication for the presence Adapter Interruption
Virtualization facility (AIV) of the general channel subsystem
characteristics.

Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
[change wording]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 arch/s390/include/asm/css_chars.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/s390/include/asm/css_chars.h b/arch/s390/include/asm/css_chars.h
index fb331d8cda9b..8e3cabd61355 100644
--- a/arch/s390/include/asm/css_chars.h
+++ b/arch/s390/include/asm/css_chars.h
@@ -19,7 +19,9 @@ struct css_general_char {
 	u32 aif_tdd : 1; /* bit 56 */
 	u32 : 1;
 	u32 qebsm : 1;	 /* bit 58 */
-	u32 : 8;
+	u32 : 2;
+	u32 aiv : 1;     /* bit 61 */
+	u32 : 5;
 	u32 aif_osa : 1; /* bit 67 */
 	u32 : 12;
 	u32 eadm_rf : 1; /* bit 80 */