change(esp_security): Move the crypto locking layer into the security component

components/esp_security/src/crypto/esp32c5/esp_crypto_lock.c

@@ -0,0 +1,104 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <sys/lock.h>
+
+#include "esp_crypto_lock.h"
+
+/* Lock overview:
+SHA: peripheral independent, but DMA is shared with AES
+AES: peripheral independent, but DMA is shared with SHA
+MPI/RSA: independent
+ECC: independent
+HMAC: needs SHA
+DS: needs HMAC (which needs SHA), AES and MPI
+*/
+
+/* Lock for DS peripheral */
+static _lock_t s_crypto_ds_lock;
+
+/* Lock for HMAC peripheral */
+static _lock_t s_crypto_hmac_lock;
+
+/* Lock for the MPI/RSA peripheral, also used by the DS peripheral */
+static _lock_t s_crypto_mpi_lock;
+
+/* Single lock for SHA and AES, sharing a reserved GDMA channel */
+static _lock_t s_crypto_sha_aes_lock;
+
+/* Lock for ECC peripheral */
+static _lock_t s_crypto_ecc_lock;
+
+/* Lock for ECDSA peripheral */
+static _lock_t s_crypto_ecdsa_lock;
+
+void esp_crypto_hmac_lock_acquire(void)
+{
+    _lock_acquire(&s_crypto_hmac_lock);
+    esp_crypto_sha_aes_lock_acquire();
+}
+
+void esp_crypto_hmac_lock_release(void)
+{
+    esp_crypto_sha_aes_lock_release();
+    _lock_release(&s_crypto_hmac_lock);
+}
+
+void esp_crypto_ds_lock_acquire(void)
+{
+    _lock_acquire(&s_crypto_ds_lock);
+    esp_crypto_hmac_lock_acquire();
+    esp_crypto_mpi_lock_acquire();
+}
+
+void esp_crypto_ds_lock_release(void)
+{
+    esp_crypto_mpi_lock_release();
+    esp_crypto_hmac_lock_release();
+    _lock_release(&s_crypto_ds_lock);
+}
+
+void esp_crypto_sha_aes_lock_acquire(void)
+{
+    _lock_acquire(&s_crypto_sha_aes_lock);
+}
+
+void esp_crypto_sha_aes_lock_release(void)
+{
+    _lock_release(&s_crypto_sha_aes_lock);
+}
+
+void esp_crypto_mpi_lock_acquire(void)
+{
+    _lock_acquire(&s_crypto_mpi_lock);
+}
+
+void esp_crypto_mpi_lock_release(void)
+{
+    _lock_release(&s_crypto_mpi_lock);
+}
+
+void esp_crypto_ecc_lock_acquire(void)
+{
+    _lock_acquire(&s_crypto_ecc_lock);
+}
+
+void esp_crypto_ecc_lock_release(void)
+{
+    _lock_release(&s_crypto_ecc_lock);
+}
+
+void esp_crypto_ecdsa_lock_acquire(void)
+{
+    _lock_acquire(&s_crypto_ecdsa_lock);
+    esp_crypto_ecc_lock_acquire();
+}
+
+void esp_crypto_ecdsa_lock_release(void)
+{
+    esp_crypto_ecc_lock_release();
+    _lock_release(&s_crypto_ecdsa_lock);
+}