Detect the Adapter Interruption Source ID Interpretation facility.

Reviewed-by: Eric Farman <far...@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntrae...@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbre...@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjros...@linux.ibm.com>
---
 arch/s390/include/asm/sclp.h   | 1 +
 drivers/s390/char/sclp_early.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 58a4d3d354b7..8b56ac5ae496 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -89,6 +89,7 @@ struct sclp_info {
        unsigned char has_sipl : 1;
        unsigned char has_dirq : 1;
        unsigned char has_zpci_lsi : 1;
+       unsigned char has_aisii : 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 b88dd0da1231..29fee179e197 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -45,6 +45,7 @@ static void __init sclp_early_facilities_detect(void)
        sclp.has_gisaf = !!(sccb->fac118 & 0x08);
        sclp.has_hvs = !!(sccb->fac119 & 0x80);
        sclp.has_kss = !!(sccb->fac98 & 0x01);
+       sclp.has_aisii = !!(sccb->fac118 & 0x40);
        sclp.has_zpci_lsi = !!(sccb->fac118 & 0x01);
        if (sccb->fac85 & 0x02)
                S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
-- 
2.27.0

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