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s390/zcrypt: add support for EP11 coprocessor cards

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This feature extends the generic cryptographic device driver (zcrypt)
with a new capability to service EP11 requests for the Crypto Express4S
card in EP11 (Enterprise PKCS#11 mode) coprocessor mode.

Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Ingo Tuchscherer
2013-11-20 10:47:13 +01:00
committed by Martin Schwidefsky
parent 9efe4f2992
commit 91f3e3eaba
13 changed files with 552 additions and 14 deletions
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18
drivers/s390/crypto/zcrypt_error.h
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@@ -106,15 +106,15 @@ static inline int convert_error(struct zcrypt_device *zdev,
// REP88_ERROR_MESSAGE_TYPE // '20' CEX2A
/*
* To sent a message of the wrong type is a bug in the
* device driver. Warn about it, disable the device
* device driver. Send error msg, disable the device
* and then repeat the request.
*/
WARN_ON(1);
atomic_set(&zcrypt_rescan_req, 1);
zdev->online = 0;
pr_err("Cryptographic device %x failed and was set offline\n",
zdev->ap_dev->qid);
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
zdev->ap_dev->qid,
zdev->online, ehdr->reply_code);
zdev->ap_dev->qid, zdev->online, ehdr->reply_code);
return -EAGAIN;
case REP82_ERROR_TRANSPORT_FAIL:
case REP82_ERROR_MACHINE_FAILURE:
@@ -122,15 +122,17 @@ static inline int convert_error(struct zcrypt_device *zdev,
/* If a card fails disable it and repeat the request. */
atomic_set(&zcrypt_rescan_req, 1);
zdev->online = 0;
pr_err("Cryptographic device %x failed and was set offline\n",
zdev->ap_dev->qid);
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
zdev->ap_dev->qid,
zdev->online, ehdr->reply_code);
zdev->ap_dev->qid, zdev->online, ehdr->reply_code);
return -EAGAIN;
default:
zdev->online = 0;
pr_err("Cryptographic device %x failed and was set offline\n",
zdev->ap_dev->qid);
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
zdev->ap_dev->qid,
zdev->online, ehdr->reply_code);
zdev->ap_dev->qid, zdev->online, ehdr->reply_code);
return -EAGAIN; /* repeat the request on a different device. */
}
}