1 files changed, 220 insertions, 0 deletions
diff --git a/crypto/internal.h b/crypto/internal.h
new file mode 100644
index 0000000000..63e59240d5
--- /dev/null
+++ b/crypto/internal.h
@@ -0,0 +1,220 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Cryptographic API.
+ *
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>
+ */
+#ifndef _CRYPTO_INTERNAL_H
+#define _CRYPTO_INTERNAL_H
+
+#include <crypto/algapi.h>
+#include <linux/completion.h>
+#include <linux/err.h>
+#include <linux/jump_label.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
+#include <linux/numa.h>
+#include <linux/refcount.h>
+#include <linux/rwsem.h>
+#include <linux/scatterlist.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+
+struct akcipher_request;
+struct crypto_akcipher;
+struct crypto_instance;
+struct crypto_template;
+
+struct crypto_larval {
+	struct crypto_alg alg;
+	struct crypto_alg *adult;
+	struct completion completion;
+	u32 mask;
+	bool test_started;
+};
+
+struct crypto_akcipher_sync_data {
+	struct crypto_akcipher *tfm;
+	const void *src;
+	void *dst;
+	unsigned int slen;
+	unsigned int dlen;
+
+	struct akcipher_request *req;
+	struct crypto_wait cwait;
+	struct scatterlist sg;
+	u8 *buf;
+};
+
+enum {
+	CRYPTOA_UNSPEC,
+	CRYPTOA_ALG,
+	CRYPTOA_TYPE,
+	__CRYPTOA_MAX,
+};
+
+#define CRYPTOA_MAX (__CRYPTOA_MAX - 1)
+
+/* Maximum number of (rtattr) parameters for each template. */
+#define CRYPTO_MAX_ATTRS 32
+
+extern struct list_head crypto_alg_list;
+extern struct rw_semaphore crypto_alg_sem;
+extern struct blocking_notifier_head crypto_chain;
+
+int alg_test(const char *driver, const char *alg, u32 type, u32 mask);
+
+#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
+static inline bool crypto_boot_test_finished(void)
+{
+	return true;
+}
+static inline void set_crypto_boot_test_finished(void)
+{
+}
+#else
+DECLARE_STATIC_KEY_FALSE(__crypto_boot_test_finished);
+static inline bool crypto_boot_test_finished(void)
+{
+	return static_branch_likely(&__crypto_boot_test_finished);
+}
+static inline void set_crypto_boot_test_finished(void)
+{
+	static_branch_enable(&__crypto_boot_test_finished);
+}
+#endif /* !CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
+
+#ifdef CONFIG_PROC_FS
+void __init crypto_init_proc(void);
+void __exit crypto_exit_proc(void);
+#else
+static inline void crypto_init_proc(void)
+{ }
+static inline void crypto_exit_proc(void)
+{ }
+#endif
+
+static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg)
+{
+	return alg->cra_ctxsize;
+}
+
+static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg)
+{
+	return alg->cra_ctxsize;
+}
+
+struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
+struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);
+
+struct crypto_larval *crypto_larval_alloc(const char *name, u32 type, u32 mask);
+void crypto_larval_kill(struct crypto_alg *alg);
+void crypto_wait_for_test(struct crypto_larval *larval);
+void crypto_alg_tested(const char *name, int err);
+
+void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
+			  struct crypto_alg *nalg);
+void crypto_remove_final(struct list_head *list);
+void crypto_shoot_alg(struct crypto_alg *alg);
+struct crypto_tfm *__crypto_alloc_tfmgfp(struct crypto_alg *alg, u32 type,
+					 u32 mask, gfp_t gfp);
+struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
+				      u32 mask);
+void *crypto_create_tfm_node(struct crypto_alg *alg,
+			const struct crypto_type *frontend, int node);
+void *crypto_clone_tfm(const struct crypto_type *frontend,
+		       struct crypto_tfm *otfm);
+
+int crypto_akcipher_sync_prep(struct crypto_akcipher_sync_data *data);
+int crypto_akcipher_sync_post(struct crypto_akcipher_sync_data *data, int err);
+int crypto_init_akcipher_ops_sig(struct crypto_tfm *tfm);
+
+static inline void *crypto_create_tfm(struct crypto_alg *alg,
+			const struct crypto_type *frontend)
+{
+	return crypto_create_tfm_node(alg, frontend, NUMA_NO_NODE);
+}
+
+struct crypto_alg *crypto_find_alg(const char *alg_name,
+				   const struct crypto_type *frontend,
+				   u32 type, u32 mask);
+
+void *crypto_alloc_tfm_node(const char *alg_name,
+		       const struct crypto_type *frontend, u32 type, u32 mask,
+		       int node);
+
+static inline void *crypto_alloc_tfm(const char *alg_name,
+		       const struct crypto_type *frontend, u32 type, u32 mask)
+{
+	return crypto_alloc_tfm_node(alg_name, frontend, type, mask, NUMA_NO_NODE);
+}
+
+int crypto_probing_notify(unsigned long val, void *v);
+
+unsigned int crypto_alg_extsize(struct crypto_alg *alg);
+
+int crypto_type_has_alg(const char *name, const struct crypto_type *frontend,
+			u32 type, u32 mask);
+
+static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg)
+{
+	refcount_inc(&alg->cra_refcnt);
+	return alg;
+}
+
+static inline void crypto_alg_put(struct crypto_alg *alg)
+{
+	if (refcount_dec_and_test(&alg->cra_refcnt) && alg->cra_destroy)
+		alg->cra_destroy(alg);
+}
+
+static inline int crypto_tmpl_get(struct crypto_template *tmpl)
+{
+	return try_module_get(tmpl->module);
+}
+
+static inline void crypto_tmpl_put(struct crypto_template *tmpl)
+{
+	module_put(tmpl->module);
+}
+
+static inline int crypto_is_larval(struct crypto_alg *alg)
+{
+	return alg->cra_flags & CRYPTO_ALG_LARVAL;
+}
+
+static inline int crypto_is_dead(struct crypto_alg *alg)
+{
+	return alg->cra_flags & CRYPTO_ALG_DEAD;
+}
+
+static inline int crypto_is_moribund(struct crypto_alg *alg)
+{
+	return alg->cra_flags & (CRYPTO_ALG_DEAD | CRYPTO_ALG_DYING);
+}
+
+static inline void crypto_notify(unsigned long val, void *v)
+{
+	blocking_notifier_call_chain(&crypto_chain, val, v);
+}
+
+static inline void crypto_yield(u32 flags)
+{
+	if (flags & CRYPTO_TFM_REQ_MAY_SLEEP)
+		cond_resched();
+}
+
+static inline int crypto_is_test_larval(struct crypto_larval *larval)
+{
+	return larval->alg.cra_driver_name[0];
+}
+
+static inline struct crypto_tfm *crypto_tfm_get(struct crypto_tfm *tfm)
+{
+	return refcount_inc_not_zero(&tfm->refcnt) ? tfm : ERR_PTR(-EOVERFLOW);
+}
+
+#endif	/* _CRYPTO_INTERNAL_H */
+