From 8dfd523f8523779210038264259546299a8398e9 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Tue, 24 Feb 2015 15:51:55 +0100 Subject: [PATCH] s390/sclp: introduce check for SIE This patch adds a way to check if the SIE with zArchitecture support is available. Acked-by: Martin Schwidefsky Acked-by: Cornelia Huck Signed-off-by: David Hildenbrand Signed-off-by: Christian Borntraeger --- arch/s390/include/asm/sclp.h | 6 +++++- drivers/s390/char/sclp_early.c | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index 8324abbdaeaf..dea883f85d66 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -29,7 +29,10 @@ struct sclp_ipl_info { struct sclp_core_entry { u8 core_id; - u8 reserved0[2]; + u8 reserved0; + u8 : 4; + u8 sief2 : 1; + u8 : 3; u8 : 3; u8 siif : 1; u8 sigpif : 1; @@ -55,6 +58,7 @@ struct sclp_info { unsigned char has_sprp : 1; unsigned char has_hvs : 1; unsigned char has_esca : 1; + unsigned char has_sief2 : 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 ff1e1bb8144d..e0a1f4eec370 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -136,6 +136,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) continue; sclp.has_siif = cpue->siif; sclp.has_sigpif = cpue->sigpif; + sclp.has_sief2 = cpue->sief2; break; } -- 2.20.1