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| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-11-24 12:59:03 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-10 12:07:21 +0200 |
| commit | 72cd82b9e9d075713367ad840c2a9b52b4cd447d (patch) | |
| tree | 4f43d8daa8992e78d8f17b7748bde66852b82f3c | |
| parent | efed110446226c725268a1f980806d799990a979 (diff) | |
| download | op-kernel-dev-72cd82b9e9d075713367ad840c2a9b52b4cd447d.zip op-kernel-dev-72cd82b9e9d075713367ad840c2a9b52b4cd447d.tar.gz | |
s390/sclp: detect intervention bypass facility
Let's detect if we have the intervention bypass facility installed.
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>
| -rw-r--r-- | arch/s390/include/asm/sclp.h | 7 | ||||
| -rw-r--r-- | drivers/s390/char/sclp_early.c | 1 |
2 files changed, 7 insertions, 1 deletions
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index e1450dd..ef1f427 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -38,7 +38,11 @@ struct sclp_core_entry { u8 siif : 1; u8 sigpif : 1; u8 : 3; - u8 reserved2[10]; + u8 reserved2[3]; + u8 : 2; + u8 ib : 1; + u8 : 5; + u8 reserved3[6]; u8 type; u8 reserved1; } __attribute__((packed)); @@ -64,6 +68,7 @@ struct sclp_info { unsigned char has_gpere : 1; unsigned char has_cmma : 1; unsigned char has_gsls : 1; + unsigned char has_ib : 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 99fce6b..2240b61 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -149,6 +149,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) sclp.has_sigpif = cpue->sigpif; sclp.has_sief2 = cpue->sief2; sclp.has_gpere = cpue->gpere; + sclp.has_ib = cpue->ib; break; } |
