From: Matthew Rosato Date: Mon, 6 Jun 2022 20:33:06 +0000 (-0400) Subject: s390/sclp: detect the AISII facility X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9db153f4523069a89cab14ab9aa2438976f256fb;p=linux.git s390/sclp: detect the AISII facility Detect the Adapter Interruption Source ID 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/20220606203325.110625-3-mjrosato@linux.ibm.com Signed-off-by: Christian Borntraeger --- diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index 68ef0ddf6400e..d05fbffa7692d 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_iplcc : 1; unsigned char has_zpci_lsi : 1; + unsigned char has_aisii : 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 d5671c03d5cc3..39c9bd7e1c262 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -45,6 +45,7 @@ static void __init sclp_early_facilities_detect(void) sclp.has_gisaf = !!(sccb->fac118 & 0x08); sclp.has_hvs = !!(sccb->fac119 & 0x80); sclp.has_kss = !!(sccb->fac98 & 0x01); + sclp.has_aisii = !!(sccb->fac118 & 0x40); sclp.has_zpci_lsi = !!(sccb->fac118 & 0x01); if (sccb->fac85 & 0x02) S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;