From 4a5c3e08271216891ce1b5315cec3dcadbd01cd4 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Tue, 24 Nov 2015 13:00:23 +0100 Subject: [PATCH] s390/sclp: detect conditional-external-interception facility Let's detect if we have that facility. Reviewed-by: Christian Borntraeger Signed-off-by: David Hildenbrand Signed-off-by: Christian Borntraeger --- arch/s390/include/asm/sclp.h | 4 +++- drivers/s390/char/sclp_early.c | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index ef1f427ad4d1..c91ad198a59c 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -41,7 +41,8 @@ struct sclp_core_entry { u8 reserved2[3]; u8 : 2; u8 ib : 1; - u8 : 5; + u8 cei : 1; + u8 : 4; u8 reserved3[6]; u8 type; u8 reserved1; @@ -69,6 +70,7 @@ struct sclp_info { unsigned char has_cmma : 1; unsigned char has_gsls : 1; unsigned char has_ib : 1; + unsigned char has_cei : 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 2240b615131e..4b330fbd4f08 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -150,6 +150,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) sclp.has_sief2 = cpue->sief2; sclp.has_gpere = cpue->gpere; sclp.has_ib = cpue->ib; + sclp.has_cei = cpue->cei; break; }