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s390x/pci: enforce zPCI state checking

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Current code uses some fields combinatorially to indicate the state of
a s390 pci device. This patch introduces device states in order to make
the code more readable and more logical.

Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Yi Min Zhao 2016-04-19 15:03:13 +08:00 • committed by Cornelia Huck
parent 06a96dae11
commit 5d1abf2344
5 changed files with 230 additions and 82 deletions
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1
include/hw/s390x/sclp.h
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@ -58,6 +58,7 @@
#define SCLP_RC_CONTAINED_EQUIPMENT_CHECK 0x0340
#define SCLP_RC_INSUFFICIENT_SCCB_LENGTH 0x0300
#define SCLP_RC_STANDBY_READ_COMPLETION 0x0410
#define SCLP_RC_ADAPTER_IN_RESERVED_STATE 0x05f0
#define SCLP_RC_ADAPTER_ID_NOT_RECOGNIZED 0x09f0
#define SCLP_RC_INVALID_FUNCTION 0x40f0
#define SCLP_RC_NO_EVENT_BUFFERS_STORED 0x60f0