linux-kernel - [PATCH RESEND 0/3] x86/sgx: eextend ioctl

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Date:   Wed, 31 Mar 2021 14:50:58 +0200
From:   Raoul Strackx <raoul.strackx@...tanix.com>
To:     Jarkko Sakkinen <jarkko@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        linux-sgx@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH RESEND 0/3] x86/sgx: eextend ioctl

The sgx driver can only load enclaves whose pages are fully measured. This may exclude existing enclaves from running. This patch adds a new ioctl to measure 256 byte chunks at a time. Such a requirement has been discussed before:

https://lore.kernel.org/linux-sgx/20200220221038.GA26618@linux.intel.com/T/#m93597f53d354201e72e26d93a968f167fcdf5930


Raoul Strackx (3):
  x86/sgx: Adding eextend ioctl
  x86/sgx: Fix compatibility issue with OPENSSL < 1.1.0
  x86/sgx: eextend ioctl selftest

 arch/x86/include/uapi/asm/sgx.h         | 11 +++++
 arch/x86/kernel/cpu/sgx/ioctl.c         | 81 ++++++++++++++++++++++++++++-----
 tools/testing/selftests/sgx/defines.h   |  1 +
 tools/testing/selftests/sgx/load.c      | 55 ++++++++++++++++++----
 tools/testing/selftests/sgx/main.h      |  1 +
 tools/testing/selftests/sgx/sigstruct.c | 43 ++++++++---------
 6 files changed, 152 insertions(+), 40 deletions(-)

-- 
2.7.4