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authorHolger Dengler <hd@linux.vnet.ibm.com>2012-09-10 21:34:26 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-09-26 15:45:17 +0200
commitdabecb2933f7ae901c88cb10c71ab38ca7dfc38f (patch)
tree04d0094b077eddcf47c3c692dfc0eeda2de727d6 /drivers/s390/crypto/zcrypt_error.h
parent745e967a49b26725cc9f30105ff67c8fee8926d6 (diff)
downloadlinux-dabecb2933f7ae901c88cb10c71ab38ca7dfc38f.tar.gz
s390/zcryt: Handle AP configuration changes
Detect external AP bus configuration changes and request
an AP device rescan.

Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/zcrypt_error.h')
-rw-r--r--drivers/s390/crypto/zcrypt_error.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h
index 0965e2626d18..0079b6617211 100644
--- a/drivers/s390/crypto/zcrypt_error.h
+++ b/drivers/s390/crypto/zcrypt_error.h
@@ -26,6 +26,8 @@
 #ifndef _ZCRYPT_ERROR_H_
 #define _ZCRYPT_ERROR_H_
 
+#include <linux/atomic.h>
+#include "zcrypt_debug.h"
 #include "zcrypt_api.h"
 
 /**
@@ -108,16 +110,27 @@ static inline int convert_error(struct zcrypt_device *zdev,
 		 * and then repeat the request.
 		 */
 		WARN_ON(1);
+		atomic_set(&zcrypt_rescan_req, 1);
 		zdev->online = 0;
+		ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
+			       zdev->ap_dev->qid,
+			       zdev->online, ehdr->reply_code);
 		return -EAGAIN;
 	case REP82_ERROR_TRANSPORT_FAIL:
 	case REP82_ERROR_MACHINE_FAILURE:
 	//   REP88_ERROR_MODULE_FAILURE		// '10' CEX2A
 		/* If a card fails disable it and repeat the request. */
+		atomic_set(&zcrypt_rescan_req, 1);
 		zdev->online = 0;
+		ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
+			       zdev->ap_dev->qid,
+			       zdev->online, ehdr->reply_code);
 		return -EAGAIN;
 	default:
 		zdev->online = 0;
+		ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
+			       zdev->ap_dev->qid,
+			       zdev->online, ehdr->reply_code);
 		return -EAGAIN;	/* repeat the request on a different device. */
 	}
 }