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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/secureboot/service.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __SECUREBOOT_SERVICE_H
#define __SECUREBOOT_SERVICE_H
#include <errl/errlentry.H>
typedef uint8_t SHA512_t[64];
/* From sha512.h: */
#define SHA512_DIGEST_LENGTH 64
typedef uint8_t __attribute__((aligned(8))) sha2_hash_t[ \
SHA512_DIGEST_LENGTH / sizeof(uint8_t) ];
// TODO securebootp9 added for spnorrp.C - service.H needs many more updates
// in order to match the p8 version
const size_t HASH_PAGE_TABLE_ENTRY_SIZE = 32;
typedef uint8_t PAGE_TABLE_ENTRY_t[HASH_PAGE_TABLE_ENTRY_SIZE];
namespace SECUREBOOT
{
// TODO securebootp9 - the two constants below were taken from master-p8
// branch (version 2257b1) of service.H underneath secureboot.
// The p9 version of service.H needs many more updates in order to match
// the p8 version.
const uint64_t PROC_SECURITY_SWITCH_REGISTER = 0x00010005ull;
const uint64_t
PROC_SECURITY_SWITCH_TRUSTED_BOOT_MASK = 0x8000000000000000ull;
/** @brief Perform initialization of Secureboot for the Base image.
*
* - Copy secure header from original location.
* - Perform blind-purge of bottom-half of cache.
* - Add bottom-half of cache to available memory.
*/
void* initializeBase(void* unused);
/**
* @brief Initialize Secure Rom by loading it into memory and
* retrieving Hash Keys
*
* @return errlHndl_t NULL on success
*/
errlHndl_t initializeSecureROM(void);
/** @brief Determines if Secureboot is enabled.
*/
bool enabled();
/**
* @brief Verify Signed Container
*
* @param[in] i_container Void pointer to effective address of container
* @param[in] i_hwKeyHash Custom hw keys' hash to test against
* [default = nullptr, use current hw hash key]
*
* @return errlHndl_t NULL on success
*/
errlHndl_t verifyContainer(void * i_container,
const sha2_hash_t* i_hwKeyHash = nullptr);
/**
* @brief Hash Signed Blob
*
* @param[in] i_blob Void pointer to effective address of blob
* @param[in] i_size Size of blob in bytes
* @param[out] o_hash SHA512 hash
*
* @return errlHndl_t NULL on success
*/
errlHndl_t hashBlob(const void * i_blob, size_t i_size, SHA512_t o_buf);
/**
* @brief Retrieve the internal hardware hash key from secure ROM
* object.
* @param[out] o_hash Reference to the sha2_hash_t array to copy the
* hash to.
*/
void getHwHashKeys(sha2_hash_t o_hash);
/**
* @brief Common secureboot handler for secureboot failures.
* Properly handles callouts etc.
*
* @return i_err - Error log to cascade through failure path.
*/
void handleSecurebootFailure(errlHndl_t &i_err);
}
#endif
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