[PATCH v6 03/21] s390/sclp: detect the AENI facility

[Matthew Rosato]

Detect the Adapter Event Notification Interpretation facility.

Reviewed-by: Eric Farman <farman@xxxxxxxxxxxxx>
Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>
Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
Signed-off-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx>
---
 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 be14644fe113..ff359df62154 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -89,6 +89,7 @@ struct sclp_info {
 	unsigned char has_dirq : 1;
 	unsigned char has_zpci_lsi : 1;
 	unsigned char has_aisii : 1;
+	unsigned char has_aeni : 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 29fee179e197..e9af01b4c97a 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -46,6 +46,7 @@ static void __init sclp_early_facilities_detect(void)
 	sclp.has_hvs = !!(sccb->fac119 & 0x80);
 	sclp.has_kss = !!(sccb->fac98 & 0x01);
 	sclp.has_aisii = !!(sccb->fac118 & 0x40);
+	sclp.has_aeni = !!(sccb->fac118 & 0x20);
 	sclp.has_zpci_lsi = !!(sccb->fac118 & 0x01);
 	if (sccb->fac85 & 0x02)
 		S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
-- 
2.27.0