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s390/zcrypt: support for extended number of ap domains

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Extends the number of ap domains within the zcrypt device driver up to 256.
AP domains in the range 00..255 will be detected.

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
2014-09-08 13:24:13 +02:00
committed by Martin Schwidefsky
parent 4423028203
commit 170387a887
2 changed files with 15 additions and 5 deletions
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14
drivers/s390/crypto/ap_bus.c
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@@ -1188,6 +1188,10 @@ static int ap_select_domain(void)
ap_qid_t qid;
int rc, i, j;
/* IF APXA isn't installed, only 16 domains could be defined */
if (!ap_configuration->ap_extended && (ap_domain_index > 15))
return -EINVAL;
/*
* We want to use a single domain. Either the one specified with
* the "domain=" parameter or the domain with the maximum number
@@ -1900,9 +1904,15 @@ static void ap_reset_all(void)
{
int i, j;
for (i = 0; i < AP_DOMAINS; i++)
for (j = 0; j < AP_DEVICES; j++)
for (i = 0; i < AP_DOMAINS; i++) {
if (!ap_test_config_domain(i))
continue;
for (j = 0; j < AP_DEVICES; j++) {
if (!ap_test_config_card_id(j))
continue;
ap_reset_queue(AP_MKQID(j, i));
}
}
}
static struct reset_call ap_reset_call = {