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| author |   Matthew Rosato <mjrosato@linux.ibm.com> | 2022-06-06 16:33:07 -0400 |
|---|---|---|
| committer |   Christian Borntraeger <borntraeger@linux.ibm.com> | 2022-07-11 09:53:56 +0200 |
| commit | efef0db77c939f105f7dc92a736dd66628406822 (patch) | |
| tree | 0a46659ead6eb157d6105d1f82d173eb651226b2 | |
| parent | s390/sclp: detect the AISII facility (diff) | |
| download | linux-dev-efef0db77c939f105f7dc92a736dd66628406822.tar.xz linux-dev-efef0db77c939f105f7dc92a736dd66628406822.zip | |
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>
| -rw-r--r-- | arch/s390/include/asm/sclp.h | 1 | ||||
| -rw-r--r-- | drivers/s390/char/sclp_early.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index d05fbffa7692..b0e67414c492 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 39c9bd7e1c26..aefdf0b17dbe 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; |