Commit 09be9cb9 authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger

s390/sclp: detect cmma

Let's detect the Collaborative-memory-management-interpretation facility,
aka CMM assist, so we can correctly enable cmma later.
Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 89b5b4de
...@@ -62,6 +62,7 @@ struct sclp_info { ...@@ -62,6 +62,7 @@ struct sclp_info {
unsigned char has_sief2 : 1; unsigned char has_sief2 : 1;
unsigned char has_64bscao : 1; unsigned char has_64bscao : 1;
unsigned char has_gpere : 1; unsigned char has_gpere : 1;
unsigned char has_cmma : 1;
unsigned int ibc; unsigned int ibc;
unsigned int mtid; unsigned int mtid;
unsigned int mtid_cp; unsigned int mtid_cp;
......
...@@ -115,6 +115,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) ...@@ -115,6 +115,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
sclp.has_sprp = !!(sccb->fac84 & 0x02); sclp.has_sprp = !!(sccb->fac84 & 0x02);
sclp.has_core_type = !!(sccb->fac84 & 0x01); sclp.has_core_type = !!(sccb->fac84 & 0x01);
sclp.has_64bscao = !!(sccb->fac116 & 0x80); sclp.has_64bscao = !!(sccb->fac116 & 0x80);
sclp.has_cmma = !!(sccb->fac116 & 0x40);
sclp.has_esca = !!(sccb->fac116 & 0x08); sclp.has_esca = !!(sccb->fac116 & 0x08);
sclp.has_hvs = !!(sccb->fac119 & 0x80); sclp.has_hvs = !!(sccb->fac119 & 0x80);
if (sccb->fac85 & 0x02) if (sccb->fac85 & 0x02)
......
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