104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/*********************************************************************
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* Copyright (c) Intel Corporation 2004 - 2020
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* SPDX-License-Identifier: Apache-2.0
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**********************************************************************/
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#ifndef __HECI_LINUX_H__
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#define __HECI_LINUX_H__
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#include "HECI_if.h"
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#include "mei.h"
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#include <semaphore.h>
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#include <stdint.h>
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#ifndef bool
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#define bool int
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#endif
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/***************************************************************************
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* Intel Advanced Management Technology ME Client
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***************************************************************************/
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#define AMT_MAJOR_VERSION 1
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#define AMT_MINOR_VERSION 1
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#define AMT_STATUS_SUCCESS 0x0
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#define AMT_STATUS_INTERNAL_ERROR 0x1
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#define AMT_STATUS_NOT_READY 0x2
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#define AMT_STATUS_INVALID_AMT_MODE 0x3
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#define AMT_STATUS_INVALID_MESSAGE_LENGTH 0x4
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#define AMT_STATUS_HOST_IF_EMPTY_RESPONSE 0x4000
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#define AMT_STATUS_SDK_RESOURCES 0x1004
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#define AMT_BIOS_VERSION_LEN 65
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#define AMT_VERSIONS_NUMBER 50
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#define AMT_UNICODE_STRING_LEN 20
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typedef enum
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{
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PTHI_CLIENT,
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LMS_CLIENT,
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MKHI_CLIENT
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} HECI_CLIENTS;
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struct amt_unicode_string {
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uint16_t length;
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char string[AMT_UNICODE_STRING_LEN];
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} __attribute__((packed));
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struct amt_version_type {
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struct amt_unicode_string description;
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struct amt_unicode_string version;
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} __attribute__((packed));
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struct amt_version {
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uint8_t major;
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uint8_t minor;
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} __attribute__((packed));
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struct amt_code_versions {
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uint8_t bios[AMT_BIOS_VERSION_LEN];
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uint32_t count;
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struct amt_version_type versions[AMT_VERSIONS_NUMBER];
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} __attribute__((packed));
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struct mei {
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uuid_le guid;
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bool initialized;
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bool verbose;
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unsigned int buf_size;
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unsigned char prot_ver;
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int fd;
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sem_t Lock;
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};
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struct amt_host_if {
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struct mei mei_cl;
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unsigned long send_timeout;
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bool initialized;
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};
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struct MEImodule
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{
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struct amt_code_versions ver;
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struct amt_host_if acmd;
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unsigned int i;
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unsigned int status;
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bool verbose;
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bool inited;
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};
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bool heci_Init(struct MEImodule* module, int client);
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void heci_Deinit(struct MEImodule* module);
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int heci_ReceiveMessage(struct MEImodule* module, unsigned char *buffer, int len, unsigned long timeout); // Timeout default is 2000
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int heci_SendMessage(struct MEImodule* module, const unsigned char *buffer, int len, unsigned long timeout); // Timeout default is 2000
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unsigned int heci_GetBufferSize(struct MEImodule* module);
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unsigned char heci_GetProtocolVersion(struct MEImodule* module);
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bool heci_GetHeciVersion(struct MEImodule* module, HECI_VERSION *version);
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bool heci_IsInitialized(struct MEImodule* module);
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#endif // __HECI_LINUX_H__
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