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-rw-r--r--drivers/s390/crypto/zcrypt_ep11misc.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/s390/crypto/zcrypt_ep11misc.h b/drivers/s390/crypto/zcrypt_ep11misc.h
new file mode 100644
index 000000000000..9559a81eac5e
--- /dev/null
+++ b/drivers/s390/crypto/zcrypt_ep11misc.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright IBM Corp. 2019
+ * Author(s): Harald Freudenberger <freude@linux.ibm.com>
+ *
+ * Collection of EP11 misc functions used by zcrypt and pkey
+ */
+
+#ifndef _ZCRYPT_EP11MISC_H_
+#define _ZCRYPT_EP11MISC_H_
+
+#include <asm/zcrypt.h>
+#include <asm/pkey.h>
+
+/* EP11 card info struct */
+struct ep11_card_info {
+ u32 API_ord_nr; /* API ordinal number */
+ u16 FW_version; /* Firmware major and minor version */
+ char serial[16]; /* serial number string (16 ascii, no 0x00 !) */
+ u64 op_mode; /* card operational mode(s) */
+};
+
+/* EP11 domain info struct */
+struct ep11_domain_info {
+ char cur_wk_state; /* '0' invalid, '1' valid */
+ char new_wk_state; /* '0' empty, '1' uncommitted, '2' committed */
+ u8 cur_wkvp[32]; /* current wrapping key verification pattern */
+ u8 new_wkvp[32]; /* new wrapping key verification pattern */
+ u64 op_mode; /* domain operational mode(s) */
+};
+
+/*
+ * Provide information about an EP11 card.
+ */
+int ep11_get_card_info(u16 card, struct ep11_card_info *info, int verify);
+
+/*
+ * Provide information about a domain within an EP11 card.
+ */
+int ep11_get_domain_info(u16 card, u16 domain, struct ep11_domain_info *info);
+
+void zcrypt_ep11misc_exit(void);
+
+#endif /* _ZCRYPT_EP11MISC_H_ */