c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2026-05-22 02:27:36 +03:00
Code Issues Packages Projects Releases Wiki Activity

Add support for selecting encryption backend

Browse Source 
- Add two new module parameters to icp (icp_aes_impl, icp_gcm_impl)
  that control the crypto implementation.  At the moment there is a
  choice between generic and aesni (on platforms that support it).
- This enables support for AES-NI and PCLMULQDQ-NI on AMD Family
  15h (bulldozer) and newer CPUs (zen).
- Modify aes_key_t to track what implementation it was generated
  with as key schedules generated with various implementations
  are not necessarily interchangable.

Reviewed by: Gvozden Neskovic <neskovic@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Signed-off-by: Nathaniel R. Lewis <linux.robotdude@gmail.com>
Closes #7102 
Closes #7103
This commit is contained in:
Nathan Lewis
2018-08-02 11:59:24 -07:00
committed by Brian Behlendorf
parent 3d503a76e8
commit 010d12474c
18 changed files with 2292 additions and 1582 deletions
Download Patch File Download Diff File Expand all files Collapse all files
config/toolchain-simd.m4
+42
View File
@@ -21,6 +21,8 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_TOOLCHAIN_SIMD], [
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512PF
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512ER
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AES
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_PCLMULQDQ
;;
esac
])
@@ -359,3 +361,43 @@ AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AES
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AES], [
AC_MSG_CHECKING([whether host toolchain supports AES])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("aesenc %xmm0, %xmm1");
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_AES], 1, [Define if host toolchain supports AES])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_PCLMULQDQ
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_PCLMULQDQ], [
AC_MSG_CHECKING([whether host toolchain supports PCLMULQDQ])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
void main()
{
__asm__ __volatile__("pclmulqdq %0, %%xmm0, %%xmm1" :: "i"(0));
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_PCLMULQDQ], 1, [Define if host toolchain supports PCLMULQDQ])
], [
AC_MSG_RESULT([no])
])
])