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 *     notice, this list of conditions and the following disclaimer.
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 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
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/** 
 * File: enclave_creator.h
 * Description: this header file defines the interface used by Enclave loader to create the Enclave
 * 
 *   The hardware, simulation and signing mode shall inherit from this class and 
 *   implement all the virtual functions
 */

#ifndef _ENCLAVE_CREATOR_H
#define _ENCLAVE_CREATOR_H

#include "arch.h"
#include "sgx_eid.h"
#include "metadata.h"
#include "sgx_error.h"
#include "util.h"
#include "launch_checker.h"
#include "uncopyable.h"
#include <string.h>
#include "file.h"

// this is the interface to both hardware, simulation and signing mode
class EnclaveCreator : private Uncopyable
{
public:
    /*
    @quote      the EPC reserved;
    @enclave_id identify the unique enclave;
    @start_addr is the linear address allocated for Enclave;
    */
    virtual int create_enclave(secs_t *secs, sgx_enclave_id_t *enclave_id, void **start_addr, bool ae = false) = 0;
    /*
    *@attr can be REMOVABLE
    */
    virtual int add_enclave_page(sgx_enclave_id_t enclave_id, void *source, uint64_t offset, const sec_info_t &sinfo, uint32_t attr) = 0;
    virtual int init_enclave(sgx_enclave_id_t enclave_id, enclave_css_t *enclave_css, SGXLaunchToken *lc, le_prd_css_file_t *prd_css_file = NULL) = 0;
    virtual int destroy_enclave(sgx_enclave_id_t enclave_id, uint64_t enclave_size = 0) = 0;
    virtual int initialize(sgx_enclave_id_t enclave_id) = 0;
    virtual bool use_se_hw() const = 0;

    virtual int get_misc_attr(sgx_misc_attribute_t *sgx_misc_attr, metadata_t *metadata, SGXLaunchToken * const lc, uint32_t flag) = 0;
    virtual bool get_plat_cap(sgx_misc_attribute_t *se_attr) = 0;
#ifdef SE_1P5_VERTICAL
    virtual uint32_t handle_page_fault(uint64_t pf_address) { UNUSED(pf_address); return (uint32_t)SGX_ERROR_UNEXPECTED; }
#endif
    // destructor
    virtual ~EnclaveCreator() {};
};

EnclaveCreator* get_enclave_creator(void);

extern EnclaveCreator* g_enclave_creator;

#endif
