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s390/sclp: detect conditional-external-interception facility

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Let's detect if we have 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>
This commit is contained in:
David Hildenbrand 2015-11-24 13:00:23 +01:00 committed by Christian Borntraeger
parent 11ad65b79e
commit 4a5c3e0827
2 changed files with 4 additions and 1 deletions
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4
arch/s390/include/asm/sclp.h
View File

@ -41,7 +41,8 @@ struct sclp_core_entry {
u8 reserved2[3];
u8 : 2;
u8 ib : 1;
u8 : 5;
u8 cei : 1;
u8 : 4;
u8 reserved3[6];
u8 type;
u8 reserved1;
@ -69,6 +70,7 @@ struct sclp_info {
unsigned char has_cmma : 1;
unsigned char has_gsls : 1;
unsigned char has_ib : 1;
unsigned char has_cei : 1;
unsigned int ibc;
unsigned int mtid;
unsigned int mtid_cp;

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

@ -150,6 +150,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
sclp.has_sief2 = cpue->sief2;
sclp.has_gpere = cpue->gpere;
sclp.has_ib = cpue->ib;
sclp.has_cei = cpue->cei;
break;
}