Re: [PATCH v4 01/14] KVM: s390: pv: add macros for UVC CC values

From: Christian Borntraeger
Date: Tue Aug 31 2021 - 09:44:11 EST


On 18.08.21 15:26, Claudio Imbrenda wrote:
Add macros to describe the 4 possible CC values returned by the UVC
instruction.

Matches the architecture. I kind of like the numerical value of the condition code, but I am already too long in this area. So I guess it will improve readability for others.

Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>

Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
---
arch/s390/include/asm/uv.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h
index 12c5f006c136..b35add51b967 100644
--- a/arch/s390/include/asm/uv.h
+++ b/arch/s390/include/asm/uv.h
@@ -18,6 +18,11 @@
#include <asm/page.h>
#include <asm/gmap.h>
+#define UVC_CC_OK 0
+#define UVC_CC_ERROR 1
+#define UVC_CC_BUSY 2
+#define UVC_CC_PARTIAL 3
+
#define UVC_RC_EXECUTED 0x0001
#define UVC_RC_INV_CMD 0x0002
#define UVC_RC_INV_STATE 0x0003