s390/ap: Add functiton facility information as AP device attribute.

Add the function facility information as new ap_device and sysfs
attribute. Also make the number of requests in device
queue and in device driver queue accessible in sysfs.

Reviewed-by: Ingo Tuchscherer <ingo.tuchscherer@linux.vnet.ibm.com>
Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c
index 744c668f586c..8f5f70b43b29 100644
--- a/drivers/s390/crypto/zcrypt_cex2a.c
+++ b/drivers/s390/crypto/zcrypt_cex2a.c
@@ -449,7 +449,8 @@ static int zcrypt_cex2a_probe(struct ap_device *ap_dev)
                 zdev->min_mod_size = CEX2A_MIN_MOD_SIZE;
                 zdev->max_mod_size = CEX2A_MAX_MOD_SIZE;
                 zdev->max_exp_bit_length = CEX2A_MAX_MOD_SIZE;
-                if (ap_4096_commands_available(ap_dev->qid)) {
+                if (ap_test_bit(&ap_dev->functions, AP_FUNC_MEX4K) &&
+                    ap_test_bit(&ap_dev->functions, AP_FUNC_CRT4K)) {
                         zdev->max_mod_size = CEX3A_MAX_MOD_SIZE;
                         zdev->max_exp_bit_length = CEX3A_MAX_MOD_SIZE;
                 }