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+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017-2019 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*!
+ * Header file containing the public API for the System Controller (SC)
+ * Security (SECO) function.
+ *
+ * @addtogroup SECO_SVC SECO: Security Service
+ *
+ * Module for the Security (SECO) service.
+ *
+ * @anchor seco_err
+ *
+ * @includedoc seco/details.dox
+ *
+ * @{
+ */
+
+#ifndef SC_SECO_API_H
+#define SC_SECO_API_H
+
+/* Includes */
+
+#include <sci/sci_types.h>
+#include <sci/svc/rm/sci_rm_api.h>
+
+/* Defines */
+
+/*!
+ * @name Defines for sc_seco_auth_cmd_t
+ */
+/*@{*/
+#define SC_SECO_AUTH_CONTAINER 0U /* Authenticate container */
+#define SC_SECO_VERIFY_IMAGE 1U /* Verify image */
+#define SC_SECO_REL_CONTAINER 2U /* Release container */
+#define SC_SECO_AUTH_SECO_FW 3U /* SECO Firmware */
+#define SC_SECO_AUTH_HDMI_TX_FW 4U /* HDMI TX Firmware */
+#define SC_SECO_AUTH_HDMI_RX_FW 5U /* HDMI RX Firmware */
+#define SC_SECO_EVERIFY_IMAGE 6U /* Enhanced verify image */
+/*@}*/
+
+/*!
+ * @name Defines for seco_rng_stat_t
+ */
+/*@{*/
+#define SC_SECO_RNG_STAT_UNAVAILABLE 0U /* Unable to initialize the RNG */
+#define SC_SECO_RNG_STAT_INPROGRESS 1U /* Initialization is on-going */
+#define SC_SECO_RNG_STAT_READY 2U /* Initialized */
+/*@}*/
+
+/* Types */
+
+/*!
+ * This type is used to issue SECO authenticate commands.
+ */
+typedef uint8_t sc_seco_auth_cmd_t;
+
+/*!
+ * This type is used to return the RNG initialization status.
+ */
+typedef uint32_t sc_seco_rng_stat_t;
+
+/* Functions */
+
+/*!
+ * @name Image Functions
+ * @{
+ */
+
+/*!
+ * This function loads a SECO image.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr_src address of image source
+ * @param[in] addr_dst address of image destination
+ * @param[in] len length of image to load
+ * @param[in] fw SC_TRUE = firmware load
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if word fuse index param out of range or invalid,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This is used to load images via the SECO. Examples include SECO
+ * Firmware and IVT/CSF data used for authentication. These are usually
+ * loaded into SECO TCM. \a addr_src is in secure memory.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_image_load(sc_ipc_t ipc, sc_faddr_t addr_src,
+ sc_faddr_t addr_dst, uint32_t len, sc_bool_t fw);
+
+/*!
+ * This function is used to authenticate a SECO image or command.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] cmd authenticate command
+ * @param[in] addr address of/or metadata
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if word fuse index param out of range or invalid,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_BUSY if SECO is busy with another authentication request,
+ * - SC_ERR_FAIL if SECO response is bad,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This is used to authenticate a SECO image or issue a security
+ * command. \a addr often points to an container. It is also
+ * just data (or even unused) for some commands.
+ *
+ * Implementation of this command depends on the underlying security
+ * architecture of the device. For example, on devices with SECO FW,
+ * the following options apply:
+ *
+ * - cmd=SC_SECO_AUTH_CONTAINER, addr=container address (sends AHAB_AUTH_CONTAINER_REQ to SECO)
+ * - cmd=SC_SECO_VERIFY_IMAGE, addr=image mask (sends AHAB_VERIFY_IMAGE_REQ to SECO)
+ * - cmd=SC_SECO_REL_CONTAINER, addr unused (sends AHAB_RELEASE_CONTAINER_REQ to SECO)
+ * - cmd=SC_SECO_AUTH_HDMI_TX_FW, addr unused (sends AHAB_ENABLE_HDMI_X_REQ with Subsystem=0 to SECO)
+ * - cmd=SC_SECO_AUTH_HDMI_RX_FW, addr unused (sends AHAB_ENABLE_HDMI_X_REQ with Subsystem=1 to SECO)
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_authenticate(sc_ipc_t ipc,
+ sc_seco_auth_cmd_t cmd, sc_faddr_t addr);
+
+/*!
+ * This function is used to authenticate a SECO image or command. This is an
+ * enhanced version that has additional mask arguments.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] cmd authenticate command
+ * @param[in] addr address of/or metadata
+ * @param[in] mask1 metadata
+ * @param[in] mask2 metadata
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if word fuse index param out of range or invalid,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_BUSY if SECO is busy with another authentication request,
+ * - SC_ERR_FAIL if SECO response is bad,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This supports all the commands found in sc_seco_authenticate(). Those
+ * commands should set both masks to 0 (except SC_SECO_VERIFY_IMAGE).
+
+ * New commands are as follows:
+ *
+ * - cmd=SC_SECO_VERIFY_IMAGE, addr unused, mask1=image mask, mask2 unused (sends AHAB_VERIFY_IMAGE_REQ to SECO)
+ * - cmd=SC_SECO_EVERIFY_IMAGE, addr=container address, mask1=image mask, mask2=move mask (sends AHAB_EVERIFY_IMAGE_REQ to SECO)
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_enh_authenticate(sc_ipc_t ipc,
+ sc_seco_auth_cmd_t cmd, sc_faddr_t addr,
+ uint32_t mask1, uint32_t mask2);
+
+/* @} */
+
+/*!
+ * @name Lifecycle Functions
+ * @{
+ */
+
+/*!
+ * This function updates the lifecycle of the device.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] change desired lifecycle transition
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This function is used for going from Open to NXP Closed to OEM Closed.
+ * Note \a change is NOT the new desired lifecycle. It is a lifecycle
+ * transition as documented in the <em>SECO API Reference Guide</em>.
+ *
+ * If any SECO request fails or only succeeds because the part is in an
+ * "OEM open" lifecycle, then a request to transition from "NXP closed"
+ * to "OEM closed" will also fail. For example, booting a signed container
+ * when the OEM SRK is not fused will succeed, but as it is an abnormal
+ * situation, a subsequent request to transition the lifecycle will return
+ * an error.
+ */
+sc_err_t sc_seco_forward_lifecycle(sc_ipc_t ipc, uint32_t change);
+
+/*!
+ * This function updates the lifecycle to one of the return lifecycles.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr address of message block
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * Note \a addr must be a pointer to a signed message block.
+ *
+ * To switch back to NXP states (Full Field Return), message must be signed
+ * by NXP SRK. For OEM States (Partial Field Return), must be signed by OEM
+ * SRK.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_return_lifecycle(sc_ipc_t ipc, sc_faddr_t addr);
+
+/*!
+ * This function is used to commit into the fuses any new SRK revocation
+ * and FW version information that have been found in the primary and
+ * secondary containers.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in,out] info pointer to information type to be committed
+ *
+ * The return \a info will contain what was actually committed.
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if \a info is invalid,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ */
+sc_err_t sc_seco_commit(sc_ipc_t ipc, uint32_t *info);
+
+/* @} */
+
+/*!
+ * @name Attestation Functions
+ * @{
+ */
+
+/*!
+ * This function is used to set the attestation mode. Only the owner of
+ * the SC_R_ATTESTATION resource may make this call.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] mode mode
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if \a mode is invalid,
+ * - SC_ERR_NOACCESS if SC_R_ATTESTATON not owned by caller,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This is used to set the SECO attestation mode. This can be prover
+ * or verifier. See the <em>SECO API Reference Guide</em> for more on the
+ * supported modes, mode values, and mode behavior.
+ */
+sc_err_t sc_seco_attest_mode(sc_ipc_t ipc, uint32_t mode);
+
+/*!
+ * This function is used to request attestation. Only the owner of
+ * the SC_R_ATTESTATION resource may make this call.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] nonce unique value
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_NOACCESS if SC_R_ATTESTATON not owned by caller,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This is used to ask SECO to perform an attestation. The result depends
+ * on the attestation mode. After this call, the signature can be
+ * requested or a verify can be requested.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_attest(sc_ipc_t ipc, uint64_t nonce);
+
+/*!
+ * This function is used to retrieve the attestation public key.
+ * Mode must be verifier. Only the owner of the SC_R_ATTESTATION resource
+ * may make this call.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr address to write response
+ *
+ * Result will be written to \a addr. The \a addr parameter must point
+ * to an address SECO can access. It must be 64-bit aligned. There
+ * should be 96 bytes of space.
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if \a addr bad or attestation has not been requested,
+ * - SC_ERR_NOACCESS if SC_R_ATTESTATON not owned by caller,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_get_attest_pkey(sc_ipc_t ipc, sc_faddr_t addr);
+
+/*!
+ * This function is used to retrieve attestation signature and parameters.
+ * Mode must be provider. Only the owner of the SC_R_ATTESTATION resource
+ * may make this call.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr address to write response
+ *
+ * Result will be written to \a addr. The \a addr parameter must point
+ * to an address SECO can access. It must be 64-bit aligned. There
+ * should be 120 bytes of space.
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if \a addr bad or attestation has not been requested,
+ * - SC_ERR_NOACCESS if SC_R_ATTESTATON not owned by caller,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_get_attest_sign(sc_ipc_t ipc, sc_faddr_t addr);
+
+/*!
+ * This function is used to verify attestation. Mode must be verifier.
+ * Only the owner of the SC_R_ATTESTATION resource may make this call.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr address of signature
+ *
+ * The \a addr parameter must point to an address SECO can access. It must be
+ * 64-bit aligned.
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if \a addr bad or attestation has not been requested,
+ * - SC_ERR_NOACCESS if SC_R_ATTESTATON not owned by caller,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_FAIL if signature doesn't match,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_attest_verify(sc_ipc_t ipc, sc_faddr_t addr);
+
+/* @} */
+
+/*!
+ * @name Key Functions
+ * @{
+ */
+
+/*!
+ * This function is used to generate a SECO key blob.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] id key identifier
+ * @param[in] load_addr load address
+ * @param[in] export_addr export address
+ * @param[in] max_size max export size
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if word fuse index param out of range or invalid,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This function is used to encapsulate sensitive keys in a specific structure
+ * called a blob, which provides both confidentiality and integrity protection.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_gen_key_blob(sc_ipc_t ipc, uint32_t id,
+ sc_faddr_t load_addr, sc_faddr_t export_addr,
+ uint16_t max_size);
+
+/*!
+ * This function is used to load a SECO key.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] id key identifier
+ * @param[in] addr key address
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if word fuse index param out of range or invalid,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This function is used to install private cryptographic keys encapsulated
+ * in a blob previously generated by SECO. The controller can be either the
+ * IEE or the VPU. The blob header carries the controller type and the key
+ * size, as provided by the user when generating the key blob.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_load_key(sc_ipc_t ipc, uint32_t id, sc_faddr_t addr);
+
+/* @} */
+
+/*!
+ * @name Manufacturing Protection Functions
+ * @{
+ */
+
+/*!
+ * This function is used to get the manufacturing protection public key.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] dst_addr destination address
+ * @param[in] dst_size destination size
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if word fuse index param out of range or invalid,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This function is supported only in OEM-closed lifecycle. It generates
+ * the mfg public key and stores it in a specific location in the secure
+ * memory.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_get_mp_key(sc_ipc_t ipc, sc_faddr_t dst_addr,
+ uint16_t dst_size);
+
+/*!
+ * This function is used to update the manufacturing protection message
+ * register.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr data address
+ * @param[in] size size
+ * @param[in] lock lock_reg
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if word fuse index param out of range or invalid,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This function is supported only in OEM-closed lifecycle. It updates the
+ * content of the MPMR (Manufacturing Protection Message register of 256
+ * bits). This register will be appended to the input-data message when
+ * generating the signature. Please refer to the CAAM block guide for details.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_update_mpmr(sc_ipc_t ipc, sc_faddr_t addr,
+ uint8_t size, uint8_t lock);
+
+/*!
+ * This function is used to get the manufacturing protection signature.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] msg_addr message address
+ * @param[in] msg_size message size
+ * @param[in] dst_addr destination address
+ * @param[in] dst_size destination size
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_PARM if word fuse index param out of range or invalid,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * This function is used to generate an ECDSA signature for an input-data
+ * message and to store it in a specific location in the secure memory. It
+ * is only supported in OEM-closed lifecycle. In order to get the ECDSA
+ * signature, the RNG must be initialized. In case it has not been started
+ * an error will be returned.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_get_mp_sign(sc_ipc_t ipc, sc_faddr_t msg_addr,
+ uint16_t msg_size, sc_faddr_t dst_addr,
+ uint16_t dst_size);
+
+/* @} */
+
+/*!
+ * @name Debug Functions
+ * @{
+ */
+
+/*!
+ * This function is used to return the SECO FW build info.
+ *
+ * @param[in] ipc IPC handle
+ * @param[out] version pointer to return build number
+ * @param[out] commit pointer to return commit ID (git SHA-1)
+ */
+void sc_seco_build_info(sc_ipc_t ipc, uint32_t *version, uint32_t *commit);
+
+/*!
+ * This function is used to return SECO chip info.
+ *
+ * @param[in] ipc IPC handle
+ * @param[out] lc pointer to return lifecycle
+ * @param[out] monotonic pointer to return monotonic counter
+ * @param[out] uid_l pointer to return UID (lower 32 bits)
+ * @param[out] uid_h pointer to return UID (upper 32 bits)
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ */
+sc_err_t sc_seco_chip_info(sc_ipc_t ipc, uint16_t *lc,
+ uint16_t *monotonic, uint32_t *uid_l,
+ uint32_t *uid_h);
+
+/*!
+ * This function securely enables debug.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr address of message block
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * Note \a addr must be a pointer to a signed message block.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_enable_debug(sc_ipc_t ipc, sc_faddr_t addr);
+
+/*!
+ * This function is used to return an event from the SECO error log.
+ *
+ * @param[in] ipc IPC handle
+ * @param[out] idx index of event to return
+ * @param[out] event pointer to return event
+ *
+ * @return Returns an error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * Read of \a idx 0 captures events from SECO. Loop starting
+ * with 0 until an error is returned to dump all events.
+ */
+sc_err_t sc_seco_get_event(sc_ipc_t ipc, uint8_t idx, uint32_t *event);
+
+/* @} */
+
+/*!
+ * @name Miscellaneous Functions
+ * @{
+ */
+
+/*!
+ * This function securely writes a group of fuse words.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr address of message block
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * Note \a addr must be a pointer to a signed message block.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_fuse_write(sc_ipc_t ipc, sc_faddr_t addr);
+
+/*!
+ * This function applies a patch.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr address of message block
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * Note \a addr must be a pointer to a signed message block.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_patch(sc_ipc_t ipc, sc_faddr_t addr);
+
+/*!
+ * This function starts the random number generator.
+ *
+ * @param[in] ipc IPC handle
+ * @param[out] status pointer to return state of RNG
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * The RNG is started automatically after all CPUs are booted. This
+ * function can be used to start earlier and to check the status.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_start_rng(sc_ipc_t ipc, sc_seco_rng_stat_t * status);
+
+/*!
+ * This function sends a generic signed message to the
+ * SECO SHE/HSM components.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] addr address of message block
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * Note \a addr must be a pointer to a signed message block.
+ *
+ * See the <em>SECO API Reference Guide</em> for more info.
+ */
+sc_err_t sc_seco_sab_msg(sc_ipc_t ipc, sc_faddr_t addr);
+
+/*!
+ * This function is used to enable security violation and tamper interrupts.
+ * These are then reported using the IRQ service via the SC_IRQ_SECVIO
+ * interrupt. Note it is automatically enabled at boot.
+ *
+ * @param[in] ipc IPC handle
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_NOACCESS if caller does not own SC_R_SECVIO,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * The security violation interrupt is self-masking. Once it is cleared in
+ * the SNVS it must be re-enabled using this function.
+ */
+sc_err_t sc_seco_secvio_enable(sc_ipc_t ipc);
+
+/*!
+ * This function is used to read/write SNVS security violation
+ * and tamper registers.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] id register ID
+ * @param[in] access 0=read, 1=write
+ * @param[in] data0 pointer to data to read or write
+ * @param[in] data1 pointer to data to read or write
+ * @param[in] data2 pointer to data to read or write
+ * @param[in] data3 pointer to data to read or write
+ * @param[in] data4 pointer to data to read or write
+ * @param[in] size number of valid data words
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_NOACCESS if caller does not own SC_R_SECVIO,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * Unused data words can be passed a NULL pointer.
+ *
+ * See AHAB_MANAGE_SNVS_REQ in the <em>SECO API Reference Guide</em> for
+ * more info.
+ */
+sc_err_t sc_seco_secvio_config(sc_ipc_t ipc, uint8_t id, uint8_t access,
+ uint32_t *data0, uint32_t *data1,
+ uint32_t *data2, uint32_t *data3,
+ uint32_t *data4, uint8_t size);
+
+/*!
+ * This function is used to read/write SNVS security violation
+ * and tamper DGO registers.
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] id regsiter ID
+ * @param[in] access 0=read, 1=write
+ * @param[in] data pointer to data to read or write
+ *
+ * @return Returns and error code (SC_ERR_NONE = success).
+ *
+ * Return errors codes:
+ * - SC_ERR_NOACCESS if caller does not own SC_R_SECVIO,
+ * - SC_ERR_UNAVAILABLE if SECO not available,
+ * - SC_ERR_IPC if SECO response has bad header tag or size,
+ * - SC_ERR_VERSION if SECO response has bad version,
+ * - Others, see the [Security Service Detailed Description](\ref seco_err) section
+ *
+ * See AHAB_MANAGE_SNVS_DGO_REQ in the <em>SECO API Reference Guide</em>
+ * for more info.
+ */
+sc_err_t sc_seco_secvio_dgo_config(sc_ipc_t ipc, uint8_t id,
+ uint8_t access, uint32_t *data);
+
+/* @} */
+
+#endif /* SC_SECO_API_H */
+
+/**@}*/