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Backport AVX2 AES-GCM implementation from BoringSSL

Browse Source 
This uses the AVX2 versions of the AESENC and PCLMULQDQ instructions; on
Zen 3 this provides an up to 80% performance improvement.

Original source:
https://github.com/google/boringssl/blob/d5440dd2c2c500ac2d3bba4afec47a054b4d99ae/gen/bcm/aes-gcm-avx2-x86_64-linux.S

See the original BoringSSL commit at
https://github.com/google/boringssl/commit/3b6e1be4391d96e81cee022f77f7bab85d51cf4e.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Rob Norris <robn@despairlabs.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Attila Fülöp <attila@fueloep.org>
Signed-off-by: Joel Low <joel@joelsplace.sg>
Closes #17058
This commit is contained in:
Joel Low
2025-02-15 11:37:33 +08:00
committed by Brian Behlendorf
parent 885d929cf8
commit bb9225ea86
15 changed files with 3574 additions and 82 deletions
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config/toolchain-simd.m4
+44
View File
@@ -24,6 +24,8 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_TOOLCHAIN_SIMD], [
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AES
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_PCLMULQDQ
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_MOVBE
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_VAES
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_VPCLMULQDQ
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVE
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVEOPT
ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVES
@@ -446,6 +448,48 @@ AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_MOVBE], [
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_VAES
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_VAES], [
AC_MSG_CHECKING([whether host toolchain supports VAES])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
int main()
{
__asm__ __volatile__("vaesenc %ymm0, %ymm1, %ymm0");
return (0);
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_VAES], 1, [Define if host toolchain supports VAES])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_VPCLMULQDQ
dnl #
AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_VPCLMULQDQ], [
AC_MSG_CHECKING([whether host toolchain supports VPCLMULQDQ])
AC_LINK_IFELSE([AC_LANG_SOURCE([
[
int main()
{
__asm__ __volatile__("vpclmulqdq %0, %%ymm4, %%ymm3, %%ymm5" :: "i"(0));
return (0);
}
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_VPCLMULQDQ], 1, [Define if host toolchain supports VPCLMULQDQ])
], [
AC_MSG_RESULT([no])
])
])
dnl #
dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVE
dnl #