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- /* Copyright (C) 2014 Stony Brook University
- This file is part of Graphene Library OS.
- Graphene Library OS is free software: you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License
- as published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
- Graphene Library OS is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
- /*
- * pal_internal.h
- *
- * This file contains definition of functions, variables and data structures
- * for internal uses.
- */
- #ifndef SGX_INTERNAL_H
- #define SGX_INTERNAL_H
- #include "pal_linux.h"
- #include "pal_security.h"
- #include "api.h"
- #include "sysdep-x86_64.h"
- #include <sys/syscall.h>
- #define IS_ERR INTERNAL_SYSCALL_ERROR
- #define IS_ERR_P INTERNAL_SYSCALL_ERROR_P
- #define ERRNO INTERNAL_SYSCALL_ERRNO
- #define ERRNO_P INTERNAL_SYSCALL_ERRNO_P
- int printf(const char * fmt, ...) __attribute__((format(printf, 1, 2)));
- int snprintf(char * str, size_t size, const char * fmt, ...) __attribute__((format(printf, 3, 4)));
- /* constants and macros to help rounding addresses to page
- boundaries */
- extern size_t g_page_size;
- #undef IS_ALLOC_ALIGNED
- #undef IS_ALLOC_ALIGNED_PTR
- #undef ALLOC_ALIGN_UP
- #undef ALLOC_ALIGN_UP_PTR
- #undef ALLOC_ALIGN_DOWN
- #undef ALLOC_ALIGN_DOWN_PTR
- #define IS_ALLOC_ALIGNED(addr) IS_ALIGNED_POW2(addr, g_page_size)
- #define IS_ALLOC_ALIGNED_PTR(addr) IS_ALIGNED_PTR_POW2(addr, g_page_size)
- #define ALLOC_ALIGN_UP(addr) ALIGN_UP_POW2(addr, g_page_size)
- #define ALLOC_ALIGN_UP_PTR(addr) ALIGN_UP_PTR_POW2(addr, g_page_size)
- #define ALLOC_ALIGN_DOWN(addr) ALIGN_DOWN_POW2(addr, g_page_size)
- #define ALLOC_ALIGN_DOWN_PTR(addr) ALIGN_DOWN_PTR_POW2(addr, g_page_size)
- uint32_t htonl (uint32_t longval);
- uint16_t htons (uint16_t shortval);
- uint32_t ntohl (uint32_t longval);
- uint16_t ntohs (uint16_t shortval);
- extern struct pal_enclave {
- /* attributes */
- unsigned long baseaddr;
- unsigned long size;
- unsigned long thread_num;
- unsigned long ssaframesize;
- /* files */
- int manifest;
- int exec;
- int sigfile;
- int token;
- /* manifest */
- struct config_store * config;
- /* security information */
- struct pal_sec pal_sec;
- } pal_enclave;
- int open_gsgx (void);
- bool is_wrfsbase_supported (void);
- int read_enclave_token (int token_file, sgx_arch_token_t * token);
- int read_enclave_sigstruct (int sigfile, sgx_arch_enclave_css_t * sig);
- int create_enclave(sgx_arch_secs_t * secs,
- sgx_arch_token_t * token);
- enum sgx_page_type { SGX_PAGE_SECS, SGX_PAGE_TCS, SGX_PAGE_REG };
- int add_pages_to_enclave(sgx_arch_secs_t * secs,
- void * addr, void * user_addr,
- unsigned long size,
- enum sgx_page_type type, int prot,
- bool skip_eextend,
- const char * comment);
- int init_aesm_targetinfo(sgx_target_info_t* aesm_targetinfo);
- int retrieve_verified_quote(const sgx_spid_t* spid, const char* subkey, bool linkable,
- const sgx_report_t* report, const sgx_quote_nonce_t* nonce,
- sgx_attestation_t* attestation);
- int init_enclave(sgx_arch_secs_t * secs,
- sgx_arch_enclave_css_t * sigstruct,
- sgx_arch_token_t * token);
- int destroy_enclave(void * base_addr, size_t length);
- void exit_process (int status, uint64_t start_exiting);
- int sgx_ecall (long ecall_no, void * ms);
- int sgx_raise (int event);
- void async_exit_pointer (void);
- int interrupt_thread (void * tcs);
- int clone_thread (void);
- void create_tcs_mapper (void * tcs_base, unsigned int thread_num);
- int pal_thread_init(void* tcbptr);
- void map_tcs(unsigned int tid);
- void unmap_tcs(void);
- void thread_exit(int status);
- uint64_t sgx_edbgrd (void * addr);
- void sgx_edbgwr (void * addr, uint64_t data);
- int sgx_init_child_process (struct pal_sec * pal_sec);
- int sgx_signal_setup (void);
- int block_signals (bool block, const int * sigs, int nsig);
- int block_async_signals (bool block);
- #endif
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