v4.19.13 snapshot.
diff --git a/include/uapi/linux/cryptouser.h b/include/uapi/linux/cryptouser.h
new file mode 100644
index 0000000..19bf0ca
--- /dev/null
+++ b/include/uapi/linux/cryptouser.h
@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Crypto user configuration API.
+ *
+ * Copyright (C) 2011 secunet Security Networks AG
+ * Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/types.h>
+
+/* Netlink configuration messages.  */
+enum {
+	CRYPTO_MSG_BASE = 0x10,
+	CRYPTO_MSG_NEWALG = 0x10,
+	CRYPTO_MSG_DELALG,
+	CRYPTO_MSG_UPDATEALG,
+	CRYPTO_MSG_GETALG,
+	CRYPTO_MSG_DELRNG,
+	__CRYPTO_MSG_MAX
+};
+#define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
+#define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)
+
+#define CRYPTO_MAX_NAME 64
+
+/* Netlink message attributes.  */
+enum crypto_attr_type_t {
+	CRYPTOCFGA_UNSPEC,
+	CRYPTOCFGA_PRIORITY_VAL,	/* __u32 */
+	CRYPTOCFGA_REPORT_LARVAL,	/* struct crypto_report_larval */
+	CRYPTOCFGA_REPORT_HASH,		/* struct crypto_report_hash */
+	CRYPTOCFGA_REPORT_BLKCIPHER,	/* struct crypto_report_blkcipher */
+	CRYPTOCFGA_REPORT_AEAD,		/* struct crypto_report_aead */
+	CRYPTOCFGA_REPORT_COMPRESS,	/* struct crypto_report_comp */
+	CRYPTOCFGA_REPORT_RNG,		/* struct crypto_report_rng */
+	CRYPTOCFGA_REPORT_CIPHER,	/* struct crypto_report_cipher */
+	CRYPTOCFGA_REPORT_AKCIPHER,	/* struct crypto_report_akcipher */
+	CRYPTOCFGA_REPORT_KPP,		/* struct crypto_report_kpp */
+	CRYPTOCFGA_REPORT_ACOMP,	/* struct crypto_report_acomp */
+	__CRYPTOCFGA_MAX
+
+#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
+};
+
+struct crypto_user_alg {
+	char cru_name[CRYPTO_MAX_NAME];
+	char cru_driver_name[CRYPTO_MAX_NAME];
+	char cru_module_name[CRYPTO_MAX_NAME];
+	__u32 cru_type;
+	__u32 cru_mask;
+	__u32 cru_refcnt;
+	__u32 cru_flags;
+};
+
+struct crypto_report_larval {
+	char type[CRYPTO_MAX_NAME];
+};
+
+struct crypto_report_hash {
+	char type[CRYPTO_MAX_NAME];
+	unsigned int blocksize;
+	unsigned int digestsize;
+};
+
+struct crypto_report_cipher {
+	char type[CRYPTO_MAX_NAME];
+	unsigned int blocksize;
+	unsigned int min_keysize;
+	unsigned int max_keysize;
+};
+
+struct crypto_report_blkcipher {
+	char type[CRYPTO_MAX_NAME];
+	char geniv[CRYPTO_MAX_NAME];
+	unsigned int blocksize;
+	unsigned int min_keysize;
+	unsigned int max_keysize;
+	unsigned int ivsize;
+};
+
+struct crypto_report_aead {
+	char type[CRYPTO_MAX_NAME];
+	char geniv[CRYPTO_MAX_NAME];
+	unsigned int blocksize;
+	unsigned int maxauthsize;
+	unsigned int ivsize;
+};
+
+struct crypto_report_comp {
+	char type[CRYPTO_MAX_NAME];
+};
+
+struct crypto_report_rng {
+	char type[CRYPTO_MAX_NAME];
+	unsigned int seedsize;
+};
+
+struct crypto_report_akcipher {
+	char type[CRYPTO_MAX_NAME];
+};
+
+struct crypto_report_kpp {
+	char type[CRYPTO_MAX_NAME];
+};
+
+struct crypto_report_acomp {
+	char type[CRYPTO_MAX_NAME];
+};
+
+#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
+			       sizeof(struct crypto_report_blkcipher))