renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-16 17:23:55 +08:00
Code

s390/sclp: detect 64-bit-SCAO facility

Browse Source 
Let's correctly detect that facility, so we can correctly handle its
abscence later on.

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
David Hildenbrand 2015-11-24 12:49:43 +01:00 committed by Christian Borntraeger
parent 0a763c780b
commit 4013ade3fb
2 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/s390/include/asm/sclp.h
View File

@ -59,6 +59,7 @@ struct sclp_info {
unsigned char has_hvs : 1; unsigned char has_hvs : 1;
unsigned char has_esca : 1; unsigned char has_esca : 1;
unsigned char has_sief2 : 1; unsigned char has_sief2 : 1;
unsigned char has_64bscao : 1;
unsigned int ibc; unsigned int ibc;
unsigned int mtid; unsigned int mtid;
unsigned int mtid_cp; unsigned int mtid_cp;

1
drivers/s390/char/sclp_early.c
View File

@ -114,6 +114,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
sclp.facilities = sccb->facilities; sclp.facilities = sccb->facilities;
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_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)