s390/zcrypt: Add support for new crypto express (CEX5S) adapter.
Extends the generic cryptographic device driver (zcrypt)
to support the Crypto Express 5S adapter.
Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index faa0580..a60fc2f 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1489,9 +1489,6 @@
continue;
}
break;
- case 11:
- ap_dev->device_type = 10;
- break;
default:
ap_dev->device_type = device_type;
}
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 055a0f9..2737d26 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -117,6 +117,7 @@
#define AP_DEVICE_TYPE_CEX3A 8
#define AP_DEVICE_TYPE_CEX3C 9
#define AP_DEVICE_TYPE_CEX4 10
+#define AP_DEVICE_TYPE_CEX5 11
/*
* Known function facilities
diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h
index b3d496b..7508768 100644
--- a/drivers/s390/crypto/zcrypt_api.h
+++ b/drivers/s390/crypto/zcrypt_api.h
@@ -75,6 +75,7 @@
#define ZCRYPT_CEX3C 7
#define ZCRYPT_CEX3A 8
#define ZCRYPT_CEX4 10
+#define ZCRYPT_CEX5 11
/**
* Large random numbers are pulled in 4096 byte chunks from the crypto cards
diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c
index 569f8b1..71e698b 100644
--- a/drivers/s390/crypto/zcrypt_cex4.c
+++ b/drivers/s390/crypto/zcrypt_cex4.c
@@ -26,6 +26,10 @@
#define CEX4A_SPEED_RATING 900 /* TODO new card, new speed rating */
#define CEX4C_SPEED_RATING 6500 /* TODO new card, new speed rating */
+#define CEX4P_SPEED_RATING 7000 /* TODO new card, new speed rating */
+#define CEX5A_SPEED_RATING 450 /* TODO new card, new speed rating */
+#define CEX5C_SPEED_RATING 3250 /* TODO new card, new speed rating */
+#define CEX5P_SPEED_RATING 3500 /* TODO new card, new speed rating */
#define CEX4A_MAX_MESSAGE_SIZE MSGTYPE50_CRB3_MAX_MSG_SIZE
#define CEX4C_MAX_MESSAGE_SIZE MSGTYPE06_MAX_MSG_SIZE
@@ -39,6 +43,7 @@
static struct ap_device_id zcrypt_cex4_ids[] = {
{ AP_DEVICE(AP_DEVICE_TYPE_CEX4) },
+ { AP_DEVICE(AP_DEVICE_TYPE_CEX5) },
{ /* end of list */ },
};
@@ -70,11 +75,18 @@
switch (ap_dev->device_type) {
case AP_DEVICE_TYPE_CEX4:
+ case AP_DEVICE_TYPE_CEX5:
if (ap_test_bit(&ap_dev->functions, AP_FUNC_ACCEL)) {
zdev = zcrypt_device_alloc(CEX4A_MAX_MESSAGE_SIZE);
if (!zdev)
return -ENOMEM;
- zdev->type_string = "CEX4A";
+ if (ap_dev->device_type == AP_DEVICE_TYPE_CEX4) {
+ zdev->type_string = "CEX4A";
+ zdev->speed_rating = CEX4A_SPEED_RATING;
+ } else {
+ zdev->type_string = "CEX5A";
+ zdev->speed_rating = CEX5A_SPEED_RATING;
+ }
zdev->user_space_type = ZCRYPT_CEX3A;
zdev->min_mod_size = CEX4A_MIN_MOD_SIZE;
if (ap_test_bit(&ap_dev->functions, AP_FUNC_MEX4K) &&
@@ -90,33 +102,42 @@
CEX4A_MAX_MOD_SIZE_2K;
}
zdev->short_crt = 1;
- zdev->speed_rating = CEX4A_SPEED_RATING;
zdev->ops = zcrypt_msgtype_request(MSGTYPE50_NAME,
MSGTYPE50_VARIANT_DEFAULT);
} else if (ap_test_bit(&ap_dev->functions, AP_FUNC_COPRO)) {
zdev = zcrypt_device_alloc(CEX4C_MAX_MESSAGE_SIZE);
if (!zdev)
return -ENOMEM;
- zdev->type_string = "CEX4C";
+ if (ap_dev->device_type == AP_DEVICE_TYPE_CEX4) {
+ zdev->type_string = "CEX4C";
+ zdev->speed_rating = CEX4C_SPEED_RATING;
+ } else {
+ zdev->type_string = "CEX5C";
+ zdev->speed_rating = CEX5C_SPEED_RATING;
+ }
zdev->user_space_type = ZCRYPT_CEX3C;
zdev->min_mod_size = CEX4C_MIN_MOD_SIZE;
zdev->max_mod_size = CEX4C_MAX_MOD_SIZE;
zdev->max_exp_bit_length = CEX4C_MAX_MOD_SIZE;
zdev->short_crt = 0;
- zdev->speed_rating = CEX4C_SPEED_RATING;
zdev->ops = zcrypt_msgtype_request(MSGTYPE06_NAME,
MSGTYPE06_VARIANT_DEFAULT);
} else if (ap_test_bit(&ap_dev->functions, AP_FUNC_EP11)) {
zdev = zcrypt_device_alloc(CEX4C_MAX_MESSAGE_SIZE);
if (!zdev)
return -ENOMEM;
- zdev->type_string = "CEX4P";
+ if (ap_dev->device_type == AP_DEVICE_TYPE_CEX4) {
+ zdev->type_string = "CEX4P";
+ zdev->speed_rating = CEX4P_SPEED_RATING;
+ } else {
+ zdev->type_string = "CEX5P";
+ zdev->speed_rating = CEX5P_SPEED_RATING;
+ }
zdev->user_space_type = ZCRYPT_CEX4;
zdev->min_mod_size = CEX4C_MIN_MOD_SIZE;
zdev->max_mod_size = CEX4C_MAX_MOD_SIZE;
zdev->max_exp_bit_length = CEX4C_MAX_MOD_SIZE;
zdev->short_crt = 0;
- zdev->speed_rating = CEX4C_SPEED_RATING;
zdev->ops = zcrypt_msgtype_request(MSGTYPE06_NAME,
MSGTYPE06_VARIANT_EP11);
}