/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

#ifndef _UAPI_ASM_X86_SGX_H
#define _UAPI_ASM_X86_SGX_H

#include <linux/types.h>
#include <linux/ioctl.h>


enum sgx_page_flags {
	SGX_PAGE_MEASURE	= 0x01,
};

#define SGX_MAGIC 0xA4

#define SGX_IOC_ENCLAVE_CREATE \
	_IOW(SGX_MAGIC, 0x00, struct sgx_enclave_create)
#define SGX_IOC_ENCLAVE_ADD_PAGES \
	_IOWR(SGX_MAGIC, 0x01, struct sgx_enclave_add_pages)
#define SGX_IOC_ENCLAVE_INIT \
	_IOW(SGX_MAGIC, 0x02, struct sgx_enclave_init)
#define SGX_IOC_ENCLAVE_PROVISION \
	_IOW(SGX_MAGIC, 0x03, struct sgx_enclave_provision)
#define SGX_IOC_VEPC_REMOVE_ALL \
	_IO(SGX_MAGIC, 0x04)
#define SGX_IOC_ENCLAVE_RESTRICT_PERMISSIONS \
	_IOWR(SGX_MAGIC, 0x05, struct sgx_enclave_restrict_permissions)
#define SGX_IOC_ENCLAVE_MODIFY_TYPES \
	_IOWR(SGX_MAGIC, 0x06, struct sgx_enclave_modify_types)
#define SGX_IOC_ENCLAVE_REMOVE_PAGES \
	_IOWR(SGX_MAGIC, 0x07, struct sgx_enclave_remove_pages)


struct sgx_enclave_create  {
	__u64	src;
};


struct sgx_enclave_add_pages {
	__u64 src;
	__u64 offset;
	__u64 length;
	__u64 secinfo;
	__u64 flags;
	__u64 count;
};


struct sgx_enclave_init {
	__u64 sigstruct;
};


struct sgx_enclave_provision {
	__u64 fd;
};


struct sgx_enclave_restrict_permissions {
	__u64 offset;
	__u64 length;
	__u64 permissions;
	__u64 result;
	__u64 count;
};


struct sgx_enclave_modify_types {
	__u64 offset;
	__u64 length;
	__u64 page_type;
	__u64 result;
	__u64 count;
};


struct sgx_enclave_remove_pages {
	__u64 offset;
	__u64 length;
	__u64 count;
};

struct sgx_enclave_run;


typedef int (*sgx_enclave_user_handler_t)(long rdi, long rsi, long rdx,
					  long rsp, long r8, long r9,
					  struct sgx_enclave_run *run);


struct sgx_enclave_run {
	__u64 tcs;
	__u32 function;
	__u16 exception_vector;
	__u16 exception_error_code;
	__u64 exception_addr;
	__u64 user_handler;
	__u64 user_data;
	__u8  reserved[216];
};


typedef int (*vdso_sgx_enter_enclave_t)(unsigned long rdi, unsigned long rsi,
					unsigned long rdx, unsigned int function,
					unsigned long r8,  unsigned long r9,
					struct sgx_enclave_run *run);

#endif 
