From efef0db77c939f105f7dc92a736dd66628406822 Mon Sep 17 00:00:00 2001 From: Matthew Rosato Date: Mon, 6 Jun 2022 16:33:07 -0400 Subject: [PATCH] s390/sclp: detect the AENI facility Detect the Adapter Event Notification Interpretation facility. Reviewed-by: Eric Farman Reviewed-by: Christian Borntraeger Reviewed-by: Claudio Imbrenda Signed-off-by: Matthew Rosato Link: https://lore.kernel.org/r/20220606203325.110625-4-mjrosato@linux.ibm.com Signed-off-by: Christian Borntraeger --- 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 d05fbffa7692d..b0e67414c4925 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -90,6 +90,7 @@ struct sclp_info { unsigned char has_iplcc : 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 39c9bd7e1c262..aefdf0b17dbe0 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; -- 2.30.2