diff options
| author |   David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-11-24 13:02:25 +0100 |
|---|---|---|
| committer |   Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-10 12:07:23 +0200 |
| commit | a0eb55e6318f1bcfe93b01f0944622f14a6b2977 (patch) | |
| tree | 5b5d5569cc3b8ce8b042ebe1568171e502185598 /drivers/s390/char/sclp_early.c | |
| parent | KVM: s390: enable cei only if available (diff) | |
| download | linux-dev-a0eb55e6318f1bcfe93b01f0944622f14a6b2977.tar.xz linux-dev-a0eb55e6318f1bcfe93b01f0944622f14a6b2977.zip | |
s390/sclp: detect PFMF interpretation facility
Let's detect that facility.
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'drivers/s390/char/sclp_early.c')
| -rw-r--r-- | drivers/s390/char/sclp_early.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index 4b330fbd4f08..500cbfd83541 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; |