From a0eb55e6318f1bcfe93b01f0944622f14a6b2977 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Tue, 24 Nov 2015 13:02:25 +0100 Subject: [PATCH] s390/sclp: detect PFMF interpretation facility Let's detect that facility. Reviewed-by: Christian Borntraeger Signed-off-by: David Hildenbrand Signed-off-by: Christian Borntraeger --- arch/s390/include/asm/sclp.h | 1 + drivers/s390/char/sclp_early.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index c91ad19..bdb7f22 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -71,6 +71,7 @@ struct sclp_info { unsigned char has_gsls : 1; unsigned char has_ib : 1; unsigned char has_cei : 1; + unsigned char has_pfmfi : 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 4b330fb..500cbfd 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -46,7 +46,8 @@ struct read_info_sccb { u64 rnmax2; /* 104-111 */ u8 _pad_112[116 - 112]; /* 112-115 */ u8 fac116; /* 116 */ - u8 _pad_117[119 - 117]; /* 117-118 */ + u8 fac117; /* 117 */ + u8 _pad_118; /* 118 */ u8 fac119; /* 119 */ u16 hcpua; /* 120-121 */ u8 _pad_122[124 - 122]; /* 122-123 */ @@ -118,6 +119,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) sclp.has_64bscao = !!(sccb->fac116 & 0x80); sclp.has_cmma = !!(sccb->fac116 & 0x40); sclp.has_esca = !!(sccb->fac116 & 0x08); + sclp.has_pfmfi = !!(sccb->fac117 & 0x40); sclp.has_hvs = !!(sccb->fac119 & 0x80); if (sccb->fac85 & 0x02) S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP; -- 2.7.4