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HV: parse seed from ABL

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ABL pass seed_lists to HV through different interface/structures.
So, in this patch, add interface to retrieve seed from ABL and refactor
the seed parsing logic.

Tracked-On: #1488
Signed-off-by: Qi Yadong <yadong.qi@intel.com>
Acked-by: Zhu Bing <bing.zhu@intel.com>
This commit is contained in:
Qi Yadong
2018-10-08 15:19:07 +08:00
committed by wenlingz
parent a98dd9e3fe
commit d9df6e93f3
8 changed files with 391 additions and 206 deletions
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12
hypervisor/include/arch/x86/abl_seed_parse.h Normal file
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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ABL_SEED_PARSE_H_
#define ABL_SEED_PARSE_H_
bool abl_seed_parse(struct vm *vm, char *cmdline, char *out_arg, uint32_t out_len);
#endif /* ABL_SEED_PARSE_H_ */

46
hypervisor/include/arch/x86/hob_parse.h
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@@ -1,46 +0,0 @@
/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef HOB_PARSE_H_
#define HOB_PARSE_H_
#define SEED_ENTRY_TYPE_SVNSEED 0x1U
#define SEED_ENTRY_TYPE_RPMBSEED 0x2U
#define SEED_ENTRY_USAGE_USEED 0x1U
#define SEED_ENTRY_USAGE_DSEED 0x2U
struct seed_list_hob {
uint8_t revision;
uint8_t reserved0[3];
uint32_t buffer_size;
uint8_t total_seed_count;
uint8_t reserved1[3];
};
struct seed_entry {
/* SVN based seed or RPMB seed or attestation key_box */
uint8_t type;
/* For SVN seed: useed or dseed
* For RPMB seed: serial number based or not
*/
uint8_t usage;
/* index for the same type and usage seed */
uint8_t index;
uint8_t reserved;
/* reserved for future use */
uint16_t flags;
/* Total size of this seed entry */
uint16_t seed_entry_size;
/* SVN seed: struct seed_info
* RPMB seed: uint8_t rpmb_key[key_len]
*/
uint8_t seed[0];
};
void parse_seed_list(struct seed_list_hob *seed_hob);
#endif /* HOB_PARSE_H_ */

12
hypervisor/include/arch/x86/sbl_seed_parse.h Normal file
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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef SBL_SEED_PARSE_H_
#define SBL_SEED_PARSE_H_
bool sbl_seed_parse(struct vm *vm, char *cmdline, char *out_arg, uint32_t out_len);
#endif /* SBL_SEED_PARSE_H_ */