diff options
| author | Jarkko Sakkinen <jarkko@kernel.org> | 2020-11-13 01:01:23 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-11-18 20:02:49 +0300 |
| commit | 888d249117876239593fe3039b6ead8ad6849035 (patch) | |
| tree | 6d5ab35b2e1141c5360838279b58ca82ebb5411f /arch/x86/include/uapi | |
| parent | 3fe0778edac8628637e2fd23835996523b1a3372 (diff) | |
| download | linux-888d249117876239593fe3039b6ead8ad6849035.tar.xz | |
x86/sgx: Add SGX_IOC_ENCLAVE_CREATE
Add an ioctl() that performs the ECREATE function of the ENCLS
instruction, which creates an SGX Enclave Control Structure (SECS).
Although the SECS is an in-memory data structure, it is present in
enclave memory and is not directly accessible by software.
Co-developed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Tested-by: Jethro Beekman <jethro@fortanix.com>
Link: https://lkml.kernel.org/r/20201112220135.165028-13-jarkko@kernel.org
Diffstat (limited to 'arch/x86/include/uapi')
| -rw-r--r-- | arch/x86/include/uapi/asm/sgx.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/sgx.h b/arch/x86/include/uapi/asm/sgx.h new file mode 100644 index 000000000000..f31bb17e27c3 --- /dev/null +++ b/arch/x86/include/uapi/asm/sgx.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright(c) 2016-20 Intel Corporation. + */ +#ifndef _UAPI_ASM_X86_SGX_H +#define _UAPI_ASM_X86_SGX_H + +#include <linux/types.h> +#include <linux/ioctl.h> + +#define SGX_MAGIC 0xA4 + +#define SGX_IOC_ENCLAVE_CREATE \ + _IOW(SGX_MAGIC, 0x00, struct sgx_enclave_create) + +/** + * struct sgx_enclave_create - parameter structure for the + * %SGX_IOC_ENCLAVE_CREATE ioctl + * @src: address for the SECS page data + */ +struct sgx_enclave_create { + __u64 src; +}; + +#endif /* _UAPI_ASM_X86_SGX_H */ |