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[SRU,F,J,1/3] KVM: s390: pv: add macros for UVC CC values

Message ID 20220621193659.700787-2-frank.heimes@canonical.com
State New
Headers show
Series Include patches to avoid self-detected stall with Secure Execution (LP: 1979296) | expand

Commit Message

Frank Heimes June 21, 2022, 7:36 p.m. UTC 
From: Claudio Imbrenda <imbrenda@linux.ibm.com>

BugLink: https://bugs.launchpad.net/bugs/1979296

Add macros to describe the 4 possible CC values returned by the UVC
instruction.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Message-Id: <20210920132502.36111-2-imbrenda@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
(cherry picked from commit 57c5df13eca4017ed28f9375dc1d246ec0f54217)
Signed-off-by: Frank Heimes <frank.heimes@canonical.com>
---
 arch/s390/include/asm/uv.h | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h
index 0b50c5024035..595704e7feae 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