nxp:driver for crypto h/w accelerator caam
NXP has hardware crypto accelerator called CAAM.
- Work with Job ring
- Jobs are submitted to CAAM in the form of 64 word
descriptor.
Signed-off-by: Ruchika Gupta <ruchika.gupta@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I02bcfce68143b8630e1833a74c4b126972f4323d
diff --git a/drivers/nxp/crypto/caam/include/jobdesc.h b/drivers/nxp/crypto/caam/include/jobdesc.h
new file mode 100644
index 0000000..5921f7b
--- /dev/null
+++ b/drivers/nxp/crypto/caam/include/jobdesc.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2017-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef __JOBDESC_H
+#define __JOBDESC_H
+
+#include <rsa.h>
+
+#define DESC_LEN_MASK 0x7f
+#define DESC_START_SHIFT 16
+
+#define KEY_BLOB_SIZE 32
+#define MAC_SIZE 16
+
+#define KEY_IDNFR_SZ_BYTES 16
+#define CLASS_SHIFT 25
+#define CLASS_2 (0x02 << CLASS_SHIFT)
+
+#define CMD_SHIFT 27
+#define CMD_OPERATION (U(0x10) << CMD_SHIFT)
+
+#define OP_TYPE_SHIFT 24
+#define OP_TYPE_ENCAP_PROTOCOL (0x07 << OP_TYPE_SHIFT)
+
+/* Assuming OP_TYPE = OP_TYPE_UNI_PROTOCOL */
+#define OP_PCLID_SHIFT 16
+#define OP_PCLID_BLOB (0x0d << OP_PCLID_SHIFT)
+
+#define BLOB_PROTO_INFO 0x00000002
+
+uint32_t desc_length(uint32_t *desc);
+
+int cnstr_rng_jobdesc(uint32_t *desc, uint32_t state_handle,
+ uint32_t *add_inp, uint32_t add_ip_len,
+ uint8_t *out_data, uint32_t len);
+
+int cnstr_rng_instantiate_jobdesc(uint32_t *desc);
+
+/* Construct descriptor to generate hw key blob */
+int cnstr_hw_encap_blob_jobdesc(uint32_t *desc,
+ uint8_t *key_idnfr, uint32_t key_sz,
+ uint32_t key_class, uint8_t *plain_txt,
+ uint32_t in_sz, uint8_t *enc_blob,
+ uint32_t out_sz, uint32_t operation);
+
+void cnstr_hash_jobdesc(uint32_t *desc, uint8_t *msg, uint32_t msgsz,
+ uint8_t *digest);
+
+void cnstr_jobdesc_pkha_rsaexp(uint32_t *desc,
+ struct pk_in_params *pkin, uint8_t *out,
+ uint32_t out_siz);
+#endif