From: David Hildenbrand Date: Tue, 24 Nov 2015 11:59:03 +0000 (+0100) Subject: s390/sclp: detect intervention bypass facility X-Git-Tag: v4.8-rc1~60^2~107^2~24 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=72cd82b9e9d075713367ad840c2a9b52b4cd447d;p=platform%2Fkernel%2Flinux-exynos.git s390/sclp: detect intervention bypass facility Let's detect if we have the intervention bypass facility installed. Reviewed-by: Christian Borntraeger Signed-off-by: David Hildenbrand Signed-off-by: Christian Borntraeger --- diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index e1450dd..ef1f427 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -38,7 +38,11 @@ struct sclp_core_entry { u8 siif : 1; u8 sigpif : 1; u8 : 3; - u8 reserved2[10]; + u8 reserved2[3]; + u8 : 2; + u8 ib : 1; + u8 : 5; + u8 reserved3[6]; u8 type; u8 reserved1; } __attribute__((packed)); @@ -64,6 +68,7 @@ struct sclp_info { unsigned char has_gpere : 1; unsigned char has_cmma : 1; unsigned char has_gsls : 1; + unsigned char has_ib : 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 99fce6b..2240b61 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -149,6 +149,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) sclp.has_sigpif = cpue->sigpif; sclp.has_sief2 = cpue->sief2; sclp.has_gpere = cpue->gpere; + sclp.has_ib = cpue->ib; break; }