From: Matthew Rosato <mjrosato@linux.ibm.com>
Date: Mon, 6 Jun 2022 16:33:08 -0400
Subject: s390/sclp: detect the AISI facility
Git-commit: b05a870c5e4e6a113b7f3fb61b5fa0869e40dd30
Patch-mainline: v6.0-rc1
References: bsc#1205701

Detect the Adapter Interruption Suppression Interpretation facility.

Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Link: https://lore.kernel.org/r/20220606203325.110625-5-mjrosato@linux.ibm.com
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
---
 arch/s390/include/asm/sclp.h   |    1 +
 drivers/s390/char/sclp_early.c |    1 +
 2 files changed, 2 insertions(+)

--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -89,6 +89,7 @@ struct sclp_info {
 	unsigned char has_zpci_lsi : 1;
 	unsigned char has_aisii : 1;
 	unsigned char has_aeni : 1;
+	unsigned char has_aisi : 1;
 	unsigned int ibc;
 	unsigned int mtid;
 	unsigned int mtid_cp;
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -47,6 +47,7 @@ static void __init sclp_early_facilities
 	sclp.has_kss = !!(sccb->fac98 & 0x01);
 	sclp.has_aisii = !!(sccb->fac118 & 0x40);
 	sclp.has_aeni = !!(sccb->fac118 & 0x20);
+	sclp.has_aisi = !!(sccb->fac118 & 0x10);
 	sclp.has_zpci_lsi = !!(sccb->fac118 & 0x01);
 	if (sccb->fac85 & 0x02)
 		S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;