mirror of
https://github.com/corda/corda.git
synced 2025-01-10 06:52:44 +00:00
9441de4c38
This release is used in conjunction with the linux-sgx-driver Intial release: https://github.com/01org/linux-sgx-driver commit-id: 0e865ce5e6b297a787bcdc12d98bada8174be6d7 Intel-id: 33399 Signed-off-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
/*
|
|
* Copyright (C) 2011-2016 Intel Corporation. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef _SE_ENCLAVE_MNGR_H_
|
|
#define _SE_ENCLAVE_MNGR_H_
|
|
|
|
#include <list>
|
|
|
|
#include "arch.h"
|
|
#include "sgx_eid.h"
|
|
#include "se_thread.h"
|
|
|
|
class CEnclaveSim
|
|
{
|
|
public:
|
|
CEnclaveSim(const secs_t* secs);
|
|
virtual ~CEnclaveSim(void);
|
|
|
|
// The following functions are declared virtual so that they can
|
|
// be called from the tRTS instruction simulation functions.
|
|
|
|
virtual sgx_enclave_id_t get_enclave_id() const;
|
|
virtual secs_t* get_secs();
|
|
|
|
virtual size_t get_pg_idx(const void* pgaddr) const;
|
|
virtual bool add_page(const void* pgaddr, si_flags_t flags);
|
|
virtual bool remove_page(const void* epc_lin_addr);
|
|
virtual bool is_tcs_page(const void* pgaddr) const;
|
|
|
|
private:
|
|
secs_t m_secs;
|
|
si_flags_t* m_flags; // memory managed by CEnclaveSim
|
|
size_t m_cpages; // page count
|
|
|
|
sgx_enclave_id_t m_enclave_id; // an unique Id for the enclave
|
|
static uint32_t m_counter; // enclave counter
|
|
|
|
sgx_enclave_id_t gen_enclave_id(void);
|
|
bool validate_pg_and_flags(const void* pgaddr, si_flags_t flags);
|
|
|
|
CEnclaveSim(const CEnclaveSim& es);
|
|
CEnclaveSim& operator=(const CEnclaveSim& es);
|
|
};
|
|
|
|
|
|
class CEnclaveMngr
|
|
{
|
|
public:
|
|
|
|
// The factory method for CEnclaveMngr.
|
|
//
|
|
// Note: this factory is not thread-safe.
|
|
|
|
static CEnclaveMngr* get_instance();
|
|
~CEnclaveMngr();
|
|
|
|
void add(CEnclaveSim* ce);
|
|
void remove(CEnclaveSim* ce);
|
|
|
|
CEnclaveSim* get_enclave(const sgx_enclave_id_t id);
|
|
CEnclaveSim* get_enclave(const secs_t* secs);
|
|
CEnclaveSim* get_enclave(const void* base_addr);
|
|
|
|
private:
|
|
std::list<CEnclaveSim*> m_enclave_list;
|
|
|
|
// to protect the access to m_enclave_list
|
|
se_mutex_t m_list_lock;
|
|
|
|
CEnclaveMngr();
|
|
CEnclaveMngr(const CEnclaveMngr& em);
|
|
CEnclaveMngr& operator=(const CEnclaveMngr& em);
|
|
};
|
|
|
|
#endif
|