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Date: Fri, 14 Jan 2022 15:31:19 -0500 From: Matthew Rosato <mjrosato@...ux.ibm.com> To: linux-s390@...r.kernel.org Cc: alex.williamson@...hat.com, cohuck@...hat.com, schnelle@...ux.ibm.com, farman@...ux.ibm.com, pmorel@...ux.ibm.com, borntraeger@...ux.ibm.com, hca@...ux.ibm.com, gor@...ux.ibm.com, gerald.schaefer@...ux.ibm.com, agordeev@...ux.ibm.com, frankja@...ux.ibm.com, david@...hat.com, imbrenda@...ux.ibm.com, vneethv@...ux.ibm.com, oberpar@...ux.ibm.com, freude@...ux.ibm.com, thuth@...hat.com, pasic@...ux.ibm.com, kvm@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v2 04/30] s390/sclp: detect the AISI facility Detect the Adapter Interruption Suppression Interpretation facility. Reviewed-by: Eric Farman <farman@...ux.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@...ux.ibm.com> Reviewed-by: Claudio Imbrenda <imbrenda@...ux.ibm.com> Signed-off-by: Matthew Rosato <mjrosato@...ux.ibm.com> --- 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 8c2e142000d4..33b174007848 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -91,6 +91,7 @@ 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; diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index e9af01b4c97a..c13e55cc4a5d 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -47,6 +47,7 @@ static void __init sclp_early_facilities_detect(void) 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; -- 2.27.0
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