linux-sgx-trts-modified/psw/urts/enclave_creator_hw.h

/*
 * Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
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 * modification, are permitted provided that the following conditions
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 *   * Redistributions in binary form must reproduce the above copyright
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 *     from this software without specific prior written permission.
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#ifndef _ENCLAVE_CREATOR_H_
#define _ENCLAVE_CREATOR_H_

#include "enclave_creator.h"
#include "sgx_eid.h"
#include "se_types.h"
#include "se_thread.h"
#include "util.h"
#include "se_map.h"
#include "se_error_internal.h"
#include "se_lock.hpp"
#include "file.h"

// hardware mode
class EnclaveCreatorHW : public EnclaveCreator
{
public:
    EnclaveCreatorHW();
    ~EnclaveCreatorHW();
    int create_enclave(secs_t *secs, sgx_enclave_id_t *enclave_id, void **start_addr, bool ae);
    int add_enclave_page(sgx_enclave_id_t enclave_id, void *source, uint64_t offset, const sec_info_t &sinfo, uint32_t attr);
    int init_enclave(sgx_enclave_id_t enclave_id, enclave_css_t *enclave_css, SGXLaunchToken *lc, le_prd_css_file_t *prd_css_file);
    int destroy_enclave(sgx_enclave_id_t enclave_id, uint64_t enclave_size);
    int initialize(sgx_enclave_id_t enclave_id);
    bool use_se_hw() const;
    bool is_EDMM_supported(sgx_enclave_id_t enclave_id);
    bool is_driver_compatible();
    bool is_in_kernel_driver();
    int get_misc_attr(sgx_misc_attribute_t *sgx_misc_attr, metadata_t *metadata, SGXLaunchToken * const lc, uint32_t flag);
    bool get_plat_cap(sgx_misc_attribute_t *se_attr);
    int emodpr(uint64_t addr, uint64_t size, uint64_t flag);
    int mktcs(uint64_t tcs_addr);
    int trim_range(uint64_t fromaddr, uint64_t toaddr);
    int trim_accept(uint64_t addr);
    int remove_range(uint64_t fromaddr, uint64_t numpages);
private:
    virtual bool open_se_device();
    virtual void close_se_device();
    int try_init_enclave(sgx_enclave_id_t enclave_id, enclave_css_t *enclave_css, token_t *launch);
    int error_driver2urts(int driver_error);
    se_file_handle_t    m_hdevice;
    Mutex               m_dev_mutex;
    bool                m_sig_registered;
    se_mutex_t          m_sig_mutex;
    bool                m_in_kernel_driver;
};

#endif