Re: [PATCH 02/32] s390/sclp: detect the AISII facility

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Am 07.12.21 um 21:57 schrieb Matthew Rosato:
Detect the Adapter Interruption Source ID Interpretation facility.

Reviewed-by: Eric Farman <farman@xxxxxxxxxxxxx>
Signed-off-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx>

Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>

---
  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 c84e8e0ca344..524a99baf221 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_interp : 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 2e8199b7ae50..a73120b8a5de 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_interp = !!(sccb->fac118 & 0x01);
  	if (sccb->fac85 & 0x02)
  		S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;




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