[PATCH v5 07/23] rust: add bindings for hash.h

[alistair23]

From: Alistair Francis <alistair.francis@xxxxxxx>

Make the functions crypto_shash_descsize(), crypto_shash_digestsize()
and crypto_free_shash() available to Rust.

Signed-off-by: Alistair Francis <alistair.francis@xxxxxxx>
---
 rust/bindings/bindings_helper.h |  1 +
 rust/helpers/hash.c             | 22 ++++++++++++++++++++++
 rust/helpers/helpers.c          |  1 +
 3 files changed, 24 insertions(+)
 create mode 100644 rust/helpers/hash.c

diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index 3791af0aadc73..4992bc3194e7e 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -28,6 +28,7 @@
  */
 #include <linux/hrtimer_types.h>
 
+#include <crypto/hash.h>
 #include <linux/acpi.h>
 #include <linux/gpu_buddy.h>
 #include <drm/drm_device.h>
diff --git a/rust/helpers/hash.c b/rust/helpers/hash.c
new file mode 100644
index 0000000000000..0d88752084673
--- /dev/null
+++ b/rust/helpers/hash.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <crypto/hash.h>
+
+#ifdef CONFIG_CRYPTO
+
+__rust_helper unsigned int rust_helper_crypto_shash_descsize(struct crypto_shash *tfm)
+{
+	return crypto_shash_descsize(tfm);
+}
+
+__rust_helper unsigned int rust_helper_crypto_shash_digestsize(struct crypto_shash *tfm)
+{
+	return crypto_shash_digestsize(tfm);
+}
+
+__rust_helper void rust_helper_crypto_free_shash(struct crypto_shash *tfm)
+{
+	crypto_free_shash(tfm);
+}
+
+#endif /* CONFIG_CRYPTO */
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index d62c7be1ca7bd..0dcdad905f0ef 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -67,6 +67,7 @@
 #include "fs.c"
 #include "fwctl.c"
 #include "gpu.c"
+#include "hash.c"
 #include "interrupt.c"
 #include "io.c"
 #include "irq.c"
-- 
2.56.0