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s390/zcrypt: Add support for CEX4 crypto card

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New zcrypt module supports IBM CryptoExpress 4 cards.

Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Holger Dengler
2012-08-28 16:48:29 +02:00
committed by Martin Schwidefsky
parent 5e55a488c8
commit 1e2076f452
5 changed files with 170 additions and 16 deletions
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22
drivers/s390/crypto/ap_bus.c
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@@ -1340,30 +1340,22 @@ static void ap_scan_bus(struct work_struct *unused)
(unsigned long) ap_dev);
switch (device_type) {
case 0:
/* device type probing for old cards */
if (ap_probe_device_type(ap_dev)) {
kfree(ap_dev);
continue;
}
break;
case 10:
if (ap_query_functions(qid, &device_functions)) {
kfree(ap_dev);
continue;
}
ap_dev->functions = device_functions;
if (ap_test_bit(&device_functions, 3))
ap_dev->device_type = AP_DEVICE_TYPE_CEX3C;
else if (ap_test_bit(&device_functions, 4))
ap_dev->device_type = AP_DEVICE_TYPE_CEX3A;
else {
kfree(ap_dev);
continue;
}
break;
default:
ap_dev->device_type = device_type;
}
rc = ap_query_functions(qid, &device_functions);
if (!rc)
ap_dev->functions = device_functions;
else
ap_dev->functions = 0u;
ap_dev->device.bus = &ap_bus_type;
ap_dev->device.parent = ap_root_device;
if (dev_set_name(&ap_dev->device, "card%02x",