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

Message ID 20210818132620.46770-2-imbrenda@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series KVM: s390: pv: implement lazy destroy for reboot | expand

Commit Message

Claudio Imbrenda Aug. 18, 2021, 1:26 p.m. UTC
Add macros to describe the 4 possible CC values returned by the UVC
instruction.

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

Comments

Christian Borntraeger Aug. 31, 2021, 1:43 p.m. UTC | #1
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@de.ibm.com>
> 
> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> ---
>   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
>
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Patch

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