/*
* Copyright (c) 2016, Freescale Semiconductor, Inc.
* Copyright 2017-2019 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*!
* 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 "main/types.h"
#include "svc/rm/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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide.
*
* 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide 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 SECO API Reference Guide
* 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 */
/**@}*/