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s390/sclp: detect the AENI facility 

Detect the Adapter Event Notification 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/20220606203325.110625-4-mjrosato@linux.ibm.com
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
This commit is contained in:
Matthew Rosato 2022-06-06 16:33:07 -04:00 committed by Christian Borntraeger
parent 9db153f452
commit efef0db77c
2 changed files with 2 additions and 0 deletions
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1
arch/s390/include/asm/sclp.h
View File

@ -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;

1
drivers/s390/char/sclp_early.c
View File

@ -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;