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[src/trunk]: src/sys/crypto/aes New sysctl node hw.aes_impl for selected AES ...
details: https://anonhg.NetBSD.org/src/rev/8a165db9bc88
branches: trunk
changeset: 973425:8a165db9bc88
user: riastradh <riastradh%NetBSD.org@localhost>
date: Tue Jun 30 16:21:17 2020 +0000
description:
New sysctl node hw.aes_impl for selected AES implementation.
diffstat:
sys/crypto/aes/aes_impl.c | 29 +++++++++++++++++++++++++++--
1 files changed, 27 insertions(+), 2 deletions(-)
diffs (55 lines):
diff -r c6280a9a2e69 -r 8a165db9bc88 sys/crypto/aes/aes_impl.c
--- a/sys/crypto/aes/aes_impl.c Tue Jun 30 16:20:00 2020 +0000
+++ b/sys/crypto/aes/aes_impl.c Tue Jun 30 16:21:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: aes_impl.c,v 1.2 2020/06/29 23:36:59 riastradh Exp $ */
+/* $NetBSD: aes_impl.c,v 1.3 2020/06/30 16:21:17 riastradh Exp $ */
/*-
* Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -27,12 +27,13 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: aes_impl.c,v 1.2 2020/06/29 23:36:59 riastradh Exp $");
+__KERNEL_RCSID(1, "$NetBSD: aes_impl.c,v 1.3 2020/06/30 16:21:17 riastradh Exp $");
#include <sys/types.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/once.h>
+#include <sys/sysctl.h>
#include <sys/systm.h>
#include <crypto/aes/aes.h>
@@ -43,6 +44,30 @@
static const struct aes_impl *aes_md_impl __read_mostly;
static const struct aes_impl *aes_impl __read_mostly;
+static int
+sysctl_hw_aes_impl(SYSCTLFN_ARGS)
+{
+ struct sysctlnode node;
+
+ KASSERTMSG(aes_impl != NULL,
+ "sysctl ran before AES implementation was selected");
+
+ node = *rnode;
+ node.sysctl_data = __UNCONST(aes_impl->ai_name);
+ node.sysctl_size = strlen(aes_impl->ai_name) + 1;
+ return sysctl_lookup(SYSCTLFN_CALL(&node));
+}
+
+SYSCTL_SETUP(sysctl_hw_aes_setup, "sysctl hw.aes_impl setup")
+{
+
+ sysctl_createv(clog, 0, NULL, NULL,
+ CTLFLAG_PERMANENT|CTLFLAG_READONLY, CTLTYPE_STRING, "aes_impl",
+ SYSCTL_DESCR("Selected AES implementation"),
+ sysctl_hw_aes_impl, 0, NULL, 0,
+ CTL_HW, CTL_CREATE, CTL_EOL);
+}
+
/*
* The timing of AES implementation selection is finicky:
*
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