On Wed, 2021-12-08 at 12:12 +0100, Christian Borntraeger wrote:

Am 07.12.21 um 21:57 schrieb Matthew Rosato:

quoted

Detect the zPCI Load/Store Interpretation facility.

Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@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 c68ea35de498..c84e8e0ca344 100644

--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h

@@ -88,6 +88,7 @@ struct sclp_info {
  	unsigned char has_diag318 : 1;
  	unsigned char has_sipl : 1;
  	unsigned char has_dirq : 1;
+	unsigned char has_zpci_interp : 1;

maybe use zpci_lsi (load store interpretion) as pci interpretion
would be something else (also fix the the subject line).
With that

Reviewed-by: Christian Borntraeger <redacted>

My r-b can stay with Christian's suggested change.

quoted

  	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 b64feab62caa..2e8199b7ae50 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_zpci_interp = !!(sccb->fac118 & 0x01);
  	if (sccb->fac85 & 0x02)
  		S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
  	if (sccb->fac91 & 0x40)