Author: kib
Date: Fri Jul 23 11:00:46 2010
New Revision: 210409
URL: http://svn.freebsd.org/changeset/base/210409
Log:
Crypto(4) driver for AESNI.
The aeskeys_{amd64,i386}.S content was mostly obtained from OpenBSD,
no objections to the license from core.
Hardware provided by: Sentex Communications
Tested by: fabient, pho (previous versions)
MFC after: 1 month
Added:
head/sys/crypto/aesni/
head/sys/crypto/aesni/aesencdec_amd64.S (contents, props changed)
head/sys/crypto/aesni/aesencdec_i386.S (contents, props changed)
head/sys/crypto/aesni/aeskeys_amd64.S (contents, props changed)
head/sys/crypto/aesni/aeskeys_i386.S (contents, props changed)
head/sys/crypto/aesni/aesni.c (contents, props changed)
head/sys/crypto/aesni/aesni.h (contents, props changed)
head/sys/crypto/aesni/aesni_wrap.c (contents, props changed)
head/sys/modules/aesni/
head/sys/modules/aesni/Makefile (contents, props changed)
Modified:
head/sys/conf/files.amd64
head/sys/conf/files.i386
head/sys/modules/Makefile
Modified: head/sys/conf/files.amd64
==============================================================================
--- head/sys/conf/files.amd64 Fri Jul 23 11:00:43 2010 (r210408)
+++ head/sys/conf/files.amd64 Fri Jul 23 11:00:46 2010 (r210409)
@@ -138,6 +138,10 @@ amd64/amd64/uma_machdep.c standard
amd64/amd64/vm_machdep.c standard
amd64/pci/pci_bus.c optional pci
amd64/pci/pci_cfgreg.c optional pci
+crypto/aesni/aesencdec_amd64.S optional aesni
+crypto/aesni/aeskeys_amd64.S optional aesni
+crypto/aesni/aesni.c optional aesni
+crypto/aesni/aesni_wrap.c optional aesni
crypto/blowfish/bf_enc.c optional crypto | ipsec
crypto/des/des_enc.c optional crypto | ipsec | netsmb
crypto/via/padlock.c optional padlock
Modified: head/sys/conf/files.i386
==============================================================================
--- head/sys/conf/files.i386 Fri Jul 23 11:00:43 2010 (r210408)
+++ head/sys/conf/files.i386 Fri Jul 23 11:00:46 2010 (r210409)
@@ -112,6 +112,10 @@ bf_enc.o optional crypto | ipsec \
dependency "$S/crypto/blowfish/arch/i386/bf_enc.S
$S/crypto/blowfish/arch/i386/bf_enc_586.S
$S/crypto/blowfish/arch/i386/bf_enc_686.S" \
compile-with "${CC} -c -I$S/crypto/blowfish/arch/i386 ${ASM_CFLAGS}
${WERROR} ${.IMPSRC}" \
no-implicit-rule
+crypto/aesni/aesencdec_i386.S optional aesni
+crypto/aesni/aeskeys_i386.S optional aesni
+crypto/aesni/aesni.c optional aesni
+crypto/aesni/aesni_wrap.c optional aesni
crypto/des/arch/i386/des_enc.S optional crypto | ipsec | netsmb
crypto/via/padlock.c optional padlock
crypto/via/padlock_cipher.c optional padlock
Added: head/sys/crypto/aesni/aesencdec_amd64.S
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/crypto/aesni/aesencdec_amd64.S Fri Jul 23 11:00:46 2010
(r210409)
@@ -0,0 +1,135 @@
+/*-
+ * Copyright (c) 2010 Konstantin Belousov <k...@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asmacros.h>
+
+ .text
+
+ENTRY(aesni_enc)
+ .cfi_startproc
+ movdqu (%rdx),%xmm0
+ cmpq $0,%r8
+ je 1f
+ movdqu (%r8),%xmm1 /* unaligned load into reg */
+ pxor %xmm1,%xmm0 /* pxor otherwise can fault on iv */
+1:
+ pxor (%rsi),%xmm0
+2:
+ addq $0x10,%rsi
+// aesenc (%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xdc,0x06
+ decl %edi
+ jne 2b
+ addq $0x10,%rsi
+// aesenclast (%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xdd,0x06
+ movdqu %xmm0,(%rcx)
+ retq
+ .cfi_endproc
+END(aesni_enc)
+
+ENTRY(aesni_dec)
+ .cfi_startproc
+ movdqu (%rdx),%xmm0
+ pxor (%rsi),%xmm0
+1:
+ addq $0x10,%rsi
+// aesdec (%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x06
+ decl %edi
+ jne 1b
+ addq $0x10,%rsi
+// aesdeclast (%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xdf,0x06
+ cmpq $0,%r8
+ je 2f
+ movdqu (%r8),%xmm1
+ pxor %xmm1,%xmm0
+2:
+ movdqu %xmm0,(%rcx)
+ retq
+ .cfi_endproc
+END(aesni_dec)
+
+ENTRY(aesni_decrypt_cbc)
+ .cfi_startproc
+ shrq $4,%rdx
+ movdqu (%r8),%xmm1
+1:
+ movdqu (%rcx),%xmm0
+ movdqa %xmm0,%xmm2
+ pxor (%rsi),%xmm0
+ cmpl $12,%edi
+// aesdec 0x10(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x46,0x10
+// aesdec 0x20(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x46,0x20
+// aesdec 0x30(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x46,0x30
+// aesdec 0x40(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x46,0x40
+// aesdec 0x50(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x46,0x50
+// aesdec 0x60(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x46,0x60
+// aesdec 0x70(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x46,0x70
+// aesdec 0x80(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x86,0x80,0x00,0x00,0x00
+// aesdec 0x90(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x86,0x90,0x00,0x00,0x00
+ jge 2f
+// aesdeclast 0xa0(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xdf,0x86,0xa0,0x00,0x00,0x00
+ jmp 4f
+2:
+// aesdec 0xa0(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x86,0xa0,0x00,0x00,0x00
+// aesdec 0xb0(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x86,0xb0,0x00,0x00,0x00
+ jg 3f
+// aesdeclast 0xc0(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xdf,0x86,0xc0,0x00,0x00,0x00
+ jmp 4f
+3:
+// aesdec 0xc0(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x86,0xc0,0x00,0x00,0x00
+// aesdec 0xd0(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x86,0xd0,0x00,0x00,0x00
+// aesdeclast 0xe0(%rsi),%xmm0
+ .byte 0x66,0x0f,0x38,0xdf,0x86,0xe0,0x00,0x00,0x00
+4:
+ pxor %xmm1,%xmm0
+ movdqu %xmm0,(%rcx)
+ movdqa %xmm2,%xmm1 // iv
+ addq $0x10,%rcx
+ decq %rdx
+ jne 1b
+ retq
+ .cfi_endproc
+END(aesni_decrypt_cbc)
+
+ .ident "$FreeBSD$"
Added: head/sys/crypto/aesni/aesencdec_i386.S
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/crypto/aesni/aesencdec_i386.S Fri Jul 23 11:00:46 2010
(r210409)
@@ -0,0 +1,166 @@
+/*-
+ * Copyright (c) 2010 Konstantin Belousov <k...@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asmacros.h>
+
+ENTRY(aesni_enc)
+ .cfi_startproc
+ pushl %ebp
+ .cfi_adjust_cfa_offset 4
+ movl %esp,%ebp
+ movl 8(%ebp),%ecx /* rounds */
+ movl 16(%ebp),%edx
+ movdqu (%edx),%xmm0 /* from */
+ movl 24(%ebp),%eax /* iv */
+ cmpl $0,%eax
+ je 1f
+ movdqu (%eax),%xmm1
+ pxor %xmm1,%xmm0
+1:
+ movl 12(%ebp),%eax /* key */
+ pxor (%eax),%xmm0
+2:
+ addl $0x10,%eax
+// aesenc (%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xdc,0x00
+ loopne 2b
+ addl $0x10,%eax
+// aesenclast (%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xdd,0x00
+ movl 20(%ebp),%eax
+ movdqu %xmm0,(%eax) /* to */
+ leave
+ .cfi_adjust_cfa_offset -4
+ retl
+ .cfi_endproc
+END(aesni_enc)
+
+ENTRY(aesni_dec)
+ .cfi_startproc
+ pushl %ebp
+ .cfi_adjust_cfa_offset 4
+ movl %esp,%ebp
+ movl 8(%ebp),%ecx /* rounds */
+ movl 16(%ebp),%edx
+ movdqu (%edx),%xmm0 /* from */
+ movl 12(%ebp),%eax /* key */
+ pxor (%eax),%xmm0
+1:
+ addl $0x10,%eax
+// aesdec (%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x00
+ loopne 1b
+ addl $0x10,%eax
+// aesdeclast (%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xdf,0x00
+ movl 24(%ebp),%eax
+ cmpl $0,%eax /* iv */
+ je 2f
+ movdqu (%eax),%xmm1
+ pxor %xmm1,%xmm0
+2:
+ movl 20(%ebp),%eax
+ movdqu %xmm0,(%eax) /* to */
+ leave
+ .cfi_adjust_cfa_offset -4
+ retl
+ .cfi_endproc
+END(aesni_dec)
+
+ENTRY(aesni_decrypt_cbc)
+ .cfi_startproc
+ pushl %ebp
+ .cfi_adjust_cfa_offset 4
+ movl %esp,%ebp
+ pushl %ebx
+ pushl %esi
+ movl 12(%ebp),%eax /* key */
+ movl 16(%ebp),%ecx /* length */
+ shrl $4,%ecx
+ movl 20(%ebp),%ebx /* buf */
+ movl 24(%ebp),%esi
+ movdqu (%esi),%xmm1 /* iv */
+ movl 8(%ebp),%esi /* rounds */
+1:
+ movdqu (%ebx),%xmm0
+ movdqa %xmm0,%xmm2
+ pxor (%eax),%xmm0
+ cmpl $12,%esi
+// aesdec 0x10(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x40,0x10
+// aesdec 0x20(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x40,0x20
+// aesdec 0x30(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x40,0x30
+// aesdec 0x40(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x40,0x40
+// aesdec 0x50(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x40,0x50
+// aesdec 0x60(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x40,0x60
+// aesdec 0x70(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x40,0x70
+// aesdec 0x80(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x80,0x80,0x00,0x00,0x00
+// aesdec 0x90(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x80,0x90,0x00,0x00,0x00
+ jge 2f
+// aesdeclast 0xa0(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xdf,0x80,0xa0,0x00,0x00,0x00
+ jmp 4f
+2:
+// aesdec 0xa0(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x80,0xa0,0x00,0x00,0x00
+// aesdec 0xb0(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x80,0xb0,0x00,0x00,0x00
+ jg 3f
+// aesdeclast 0xc0(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xdf,0x80,0xc0,0x00,0x00,0x00
+ jmp 4f
+3:
+// aesdec 0xc0(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x80,0xc0,0x00,0x00,0x00
+// aesdec 0xd0(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xde,0x80,0xd0,0x00,0x00,0x00
+// aesdeclast 0xe0(%eax),%xmm0
+ .byte 0x66,0x0f,0x38,0xdf,0x80,0xe0,0x00,0x00,0x00
+4:
+ pxor %xmm1,%xmm0
+ movdqu %xmm0,(%ebx)
+ movdqa %xmm2,%xmm1
+ addl $0x10,%ebx
+ decl %ecx
+ jne 1b
+
+ popl %esi
+ popl %ebx
+ leave
+ .cfi_adjust_cfa_offset -4
+ retl
+ .cfi_endproc
+END(aesni_decrypt_cbc)
+
+ .ident "$FreeBSD$"
Added: head/sys/crypto/aesni/aeskeys_amd64.S
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/crypto/aesni/aeskeys_amd64.S Fri Jul 23 11:00:46 2010
(r210409)
@@ -0,0 +1,255 @@
+/*-
+* The white paper of AES-NI instructions can be downloaded from:
+ *
http://softwarecommunity.intel.com/isn/downloads/intelavx/AES-Instructions-Set_WP.pdf
+ *
+ * Copyright (C) 2008-2010, Intel Corporation
+ * Author: Huang Ying <ying.hu...@intel.com>
+ * Vinodh Gopal <vinodh.go...@intel.com>
+ * Kahraman Akdemir
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * - Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products
+ * derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <machine/asmacros.h>
+
+ .text
+
+ENTRY(_key_expansion_128)
+_key_expansion_256a:
+ .cfi_startproc
+ pshufd $0b11111111,%xmm1,%xmm1
+ shufps $0b00010000,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ shufps $0b10001100,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ pxor %xmm1,%xmm0
+ movaps %xmm0,(%rsi)
+ addq $0x10,%rsi
+ retq
+ .cfi_endproc
+END(_key_expansion_128)
+
+ENTRY(_key_expansion_192a)
+ .cfi_startproc
+ pshufd $0b01010101,%xmm1,%xmm1
+ shufps $0b00010000,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ shufps $0b10001100,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ pxor %xmm1,%xmm0
+ movaps %xmm2,%xmm5
+ movaps %xmm2,%xmm6
+ pslldq $4,%xmm5
+ pshufd $0b11111111,%xmm0,%xmm3
+ pxor %xmm3,%xmm2
+ pxor %xmm5,%xmm2
+ movaps %xmm0,%xmm1
+ shufps $0b01000100,%xmm0,%xmm6
+ movaps %xmm6,(%rsi)
+ shufps $0b01001110,%xmm2,%xmm1
+ movaps %xmm1,0x10(%rsi)
+ addq $0x20,%rsi
+ retq
+ .cfi_endproc
+END(_key_expansion_192a)
+
+ENTRY(_key_expansion_192b)
+ .cfi_startproc
+ pshufd $0b01010101,%xmm1,%xmm1
+ shufps $0b00010000,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ shufps $0b10001100,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ pxor %xmm1,%xmm0
+ movaps %xmm2,%xmm5
+ pslldq $4,%xmm5
+ pshufd $0b11111111,%xmm0,%xmm3
+ pxor %xmm3,%xmm2
+ pxor %xmm5,%xmm2
+ movaps %xmm0,(%rsi)
+ addq $0x10,%rsi
+ retq
+ .cfi_endproc
+END(_key_expansion_192b)
+
+ENTRY(_key_expansion_256b)
+ .cfi_startproc
+ pshufd $0b10101010,%xmm1,%xmm1
+ shufps $0b00010000,%xmm2,%xmm4
+ pxor %xmm4,%xmm2
+ shufps $0b10001100,%xmm2,%xmm4
+ pxor %xmm4,%xmm2
+ pxor %xmm1,%xmm2
+ movaps %xmm2,(%rsi)
+ addq $0x10,%rsi
+ retq
+ .cfi_endproc
+END(_key_expansion_256b)
+
+ENTRY(aesni_set_enckey)
+ .cfi_startproc
+ movups (%rdi),%xmm0 # user key (first 16 bytes)
+ movaps %xmm0,(%rsi)
+ addq $0x10,%rsi # key addr
+ pxor %xmm4,%xmm4 # xmm4 is assumed 0 in _key_expansion_x
+ cmpl $12,%edx
+ jb .Lenc_key128
+ je .Lenc_key192
+ movups 0x10(%rdi),%xmm2 # other user key
+ movaps %xmm2,(%rsi)
+ addq $0x10,%rsi
+// aeskeygenassist $0x1,%xmm2,%xmm1 # round 1
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x01
+ call _key_expansion_256a
+// aeskeygenassist $0x1,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x01
+ call _key_expansion_256b
+// aeskeygenassist $0x2,%xmm2,%xmm1 # round 2
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x02
+ call _key_expansion_256a
+// aeskeygenassist $0x2,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x02
+ call _key_expansion_256b
+// aeskeygenassist $0x4,%xmm2,%xmm1 # round 3
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x04
+ call _key_expansion_256a
+// aeskeygenassist $0x4,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x04
+ call _key_expansion_256b
+// aeskeygenassist $0x8,%xmm2,%xmm1 # round 4
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x08
+ call _key_expansion_256a
+// aeskeygenassist $0x8,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x08
+ call _key_expansion_256b
+// aeskeygenassist $0x10,%xmm2,%xmm1 # round 5
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x10
+ call _key_expansion_256a
+// aeskeygenassist $0x10,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x10
+ call _key_expansion_256b
+// aeskeygenassist $0x20,%xmm2,%xmm1 # round 6
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x20
+ call _key_expansion_256a
+// aeskeygenassist $0x20,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x20
+ call _key_expansion_256b
+// aeskeygenassist $0x40,%xmm2,%xmm1 # round 7
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x20
+ call _key_expansion_256a
+ retq
+.Lenc_key192:
+ movq 0x10(%rdi),%xmm2 # other user key
+// aeskeygenassist $0x1,%xmm2,%xmm1 # round 1
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x01
+ call _key_expansion_192a
+// aeskeygenassist $0x2,%xmm2,%xmm1 # round 2
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x02
+ call _key_expansion_192b
+// aeskeygenassist $0x4,%xmm2,%xmm1 # round 3
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x04
+ call _key_expansion_192a
+// aeskeygenassist $0x8,%xmm2,%xmm1 # round 4
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x08
+ call _key_expansion_192b
+// aeskeygenassist $0x10,%xmm2,%xmm1 # round 5
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x10
+ call _key_expansion_192a
+// aeskeygenassist $0x20,%xmm2,%xmm1 # round 6
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x20
+ call _key_expansion_192b
+// aeskeygenassist $0x40,%xmm2,%xmm1 # round 7
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x40
+ call _key_expansion_192a
+// aeskeygenassist $0x80,%xmm2,%xmm1 # round 8
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x80
+ call _key_expansion_192b
+ retq
+.Lenc_key128:
+// aeskeygenassist $0x1,%xmm0,%xmm1 # round 1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x01
+ call _key_expansion_128
+// aeskeygenassist $0x2,%xmm0,%xmm1 # round 2
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x02
+ call _key_expansion_128
+// aeskeygenassist $0x4,%xmm0,%xmm1 # round 3
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x04
+ call _key_expansion_128
+// aeskeygenassist $0x8,%xmm0,%xmm1 # round 4
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x08
+ call _key_expansion_128
+// aeskeygenassist $0x10,%xmm0,%xmm1 # round 5
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x10
+ call _key_expansion_128
+// aeskeygenassist $0x20,%xmm0,%xmm1 # round 6
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x20
+ call _key_expansion_128
+// aeskeygenassist $0x40,%xmm0,%xmm1 # round 7
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x40
+ call _key_expansion_128
+// aeskeygenassist $0x80,%xmm0,%xmm1 # round 8
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x80
+ call _key_expansion_128
+// aeskeygenassist $0x1b,%xmm0,%xmm1 # round 9
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x1b
+ call _key_expansion_128
+// aeskeygenassist $0x36,%xmm0,%xmm1 # round 10
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x36
+ call _key_expansion_128
+ retq
+ .cfi_endproc
+END(aesni_set_enckey)
+
+ENTRY(aesni_set_deckey)
+ .cfi_startproc
+ movslq %edx,%rax
+ shlq $4,%rax
+ addq %rax,%rdi
+ movdqa (%rdi),%xmm0
+ movdqa %xmm0,(%rsi)
+ decl %edx
+1:
+ addq $0x10,%rsi
+ subq $0x10,%rdi
+// aesimc (%rdi),%xmm1
+ .byte 0x66,0x0f,0x38,0xdb,0x0f
+ movdqa %xmm1,(%rsi)
+ decl %edx
+ jne 1b
+
+ addq $0x10,%rsi
+ subq $0x10,%rdi
+ movdqa (%rdi),%xmm0
+ movdqa %xmm0,(%rsi)
+ retq
+ .cfi_endproc
+END(aesni_set_deckey)
+
+ .ident "$FreeBSD$"
Added: head/sys/crypto/aesni/aeskeys_i386.S
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/crypto/aesni/aeskeys_i386.S Fri Jul 23 11:00:46 2010
(r210409)
@@ -0,0 +1,273 @@
+/*-
+* The white paper of AES-NI instructions can be downloaded from:
+ *
http://softwarecommunity.intel.com/isn/downloads/intelavx/AES-Instructions-Set_WP.pdf
+ *
+ * Copyright (C) 2008-2010, Intel Corporation
+ * Author: Huang Ying <ying.hu...@intel.com>
+ * Vinodh Gopal <vinodh.go...@intel.com>
+ * Kahraman Akdemir
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * - Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products
+ * derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <machine/asmacros.h>
+
+ .text
+
+ENTRY(_key_expansion_128)
+_key_expansion_256a:
+ .cfi_startproc
+ pshufd $0b11111111,%xmm1,%xmm1
+ shufps $0b00010000,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ shufps $0b10001100,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ pxor %xmm1,%xmm0
+ movaps %xmm0,(%edx)
+ addl $0x10,%edx
+ retq
+ .cfi_endproc
+END(_key_expansion_128)
+
+ENTRY(_key_expansion_192a)
+ .cfi_startproc
+ pshufd $0b01010101,%xmm1,%xmm1
+ shufps $0b00010000,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ shufps $0b10001100,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ pxor %xmm1,%xmm0
+ movaps %xmm2,%xmm5
+ movaps %xmm2,%xmm6
+ pslldq $4,%xmm5
+ pshufd $0b11111111,%xmm0,%xmm3
+ pxor %xmm3,%xmm2
+ pxor %xmm5,%xmm2
+ movaps %xmm0,%xmm1
+ shufps $0b01000100,%xmm0,%xmm6
+ movaps %xmm6,(%edx)
+ shufps $0b01001110,%xmm2,%xmm1
+ movaps %xmm1,0x10(%edx)
+ addl $0x20,%edx
+ retq
+ .cfi_endproc
+END(_key_expansion_192a)
+
+ENTRY(_key_expansion_192b)
+ .cfi_startproc
+ pshufd $0b01010101,%xmm1,%xmm1
+ shufps $0b00010000,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ shufps $0b10001100,%xmm0,%xmm4
+ pxor %xmm4,%xmm0
+ pxor %xmm1,%xmm0
+ movaps %xmm2,%xmm5
+ pslldq $4,%xmm5
+ pshufd $0b11111111,%xmm0,%xmm3
+ pxor %xmm3,%xmm2
+ pxor %xmm5,%xmm2
+ movaps %xmm0,(%edx)
+ addl $0x10,%edx
+ retl
+ .cfi_endproc
+END(_key_expansion_192b)
+
+ENTRY(_key_expansion_256b)
+ .cfi_startproc
+ pshufd $0b10101010,%xmm1,%xmm1
+ shufps $0b00010000,%xmm2,%xmm4
+ pxor %xmm4,%xmm2
+ shufps $0b10001100,%xmm2,%xmm4
+ pxor %xmm4,%xmm2
+ pxor %xmm1,%xmm2
+ movaps %xmm2,(%edx)
+ addl $0x10,%edx
+ retl
+ .cfi_endproc
+END(_key_expansion_256b)
+
+ENTRY(aesni_set_enckey)
+ .cfi_startproc
+ pushl %ebp
+ .cfi_adjust_cfa_offset 4
+ movl %esp,%ebp
+ movl 8(%ebp),%ecx
+ movl 12(%ebp),%edx
+ movups (%ecx),%xmm0 # user key (first 16 bytes)
+ movaps %xmm0,(%edx)
+ addl $0x10,%edx # key addr
+ pxor %xmm4,%xmm4 # xmm4 is assumed 0 in _key_expansion_x
+ cmpl $12,16(%ebp) # rounds
+ jb .Lenc_key128
+ je .Lenc_key192
+ movups 0x10(%ecx),%xmm2 # other user key
+ movaps %xmm2,(%edx)
+ addl $0x10,%edx
+// aeskeygenassist $0x1,%xmm2,%xmm1 # round 1
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x01
+ call _key_expansion_256a
+// aeskeygenassist $0x1,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x01
+ call _key_expansion_256b
+// aeskeygenassist $0x2,%xmm2,%xmm1 # round 2
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x02
+ call _key_expansion_256a
+// aeskeygenassist $0x2,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x02
+ call _key_expansion_256b
+// aeskeygenassist $0x4,%xmm2,%xmm1 # round 3
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x04
+ call _key_expansion_256a
+// aeskeygenassist $0x4,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x04
+ call _key_expansion_256b
+// aeskeygenassist $0x8,%xmm2,%xmm1 # round 4
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x08
+ call _key_expansion_256a
+// aeskeygenassist $0x8,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x08
+ call _key_expansion_256b
+// aeskeygenassist $0x10,%xmm2,%xmm1 # round 5
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x10
+ call _key_expansion_256a
+// aeskeygenassist $0x10,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x10
+ call _key_expansion_256b
+// aeskeygenassist $0x20,%xmm2,%xmm1 # round 6
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x20
+ call _key_expansion_256a
+// aeskeygenassist $0x20,%xmm0,%xmm1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x20
+ call _key_expansion_256b
+// aeskeygenassist $0x40,%xmm2,%xmm1 # round 7
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x20
+ call _key_expansion_256a
+ .cfi_adjust_cfa_offset -4
+ leave
+ retl
+.Lenc_key192:
+ movq 0x10(%ecx),%xmm2 # other user key
+// aeskeygenassist $0x1,%xmm2,%xmm1 # round 1
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x01
+ call _key_expansion_192a
+// aeskeygenassist $0x2,%xmm2,%xmm1 # round 2
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x02
+ call _key_expansion_192b
+// aeskeygenassist $0x4,%xmm2,%xmm1 # round 3
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x04
+ call _key_expansion_192a
+// aeskeygenassist $0x8,%xmm2,%xmm1 # round 4
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x08
+ call _key_expansion_192b
+// aeskeygenassist $0x10,%xmm2,%xmm1 # round 5
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x10
+ call _key_expansion_192a
+// aeskeygenassist $0x20,%xmm2,%xmm1 # round 6
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x20
+ call _key_expansion_192b
+// aeskeygenassist $0x40,%xmm2,%xmm1 # round 7
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x40
+ call _key_expansion_192a
+// aeskeygenassist $0x80,%xmm2,%xmm1 # round 8
+ .byte 0x66,0x0f,0x3a,0xdf,0xca,0x80
+ call _key_expansion_192b
+ leave
+ .cfi_adjust_cfa_offset -4
+ retl
+.Lenc_key128:
+// aeskeygenassist $0x1,%xmm0,%xmm1 # round 1
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x01
+ call _key_expansion_128
+// aeskeygenassist $0x2,%xmm0,%xmm1 # round 2
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x02
+ call _key_expansion_128
+// aeskeygenassist $0x4,%xmm0,%xmm1 # round 3
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x04
+ call _key_expansion_128
+// aeskeygenassist $0x8,%xmm0,%xmm1 # round 4
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x08
+ call _key_expansion_128
+// aeskeygenassist $0x10,%xmm0,%xmm1 # round 5
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x10
+ call _key_expansion_128
+// aeskeygenassist $0x20,%xmm0,%xmm1 # round 6
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x20
+ call _key_expansion_128
+// aeskeygenassist $0x40,%xmm0,%xmm1 # round 7
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x40
+ call _key_expansion_128
+// aeskeygenassist $0x80,%xmm0,%xmm1 # round 8
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x80
+ call _key_expansion_128
+// aeskeygenassist $0x1b,%xmm0,%xmm1 # round 9
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x1b
+ call _key_expansion_128
+// aeskeygenassist $0x36,%xmm0,%xmm1 # round 10
+ .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x36
+ call _key_expansion_128
+ leave
+ .cfi_adjust_cfa_offset -4
+ retl
+ .cfi_endproc
+END(aesni_set_enckey)
+
+ENTRY(aesni_set_deckey)
+ .cfi_startproc
+ pushl %ebp
+ .cfi_adjust_cfa_offset 4
+ movl %esp,%ebp
+ movl 16(%ebp),%eax /* rounds */
+ movl %eax,%ecx
+ shll $4,%ecx
+ addl 8(%ebp),%ecx /* encrypt_schedule last quad */
+ movl 12(%ebp),%edx /* decrypt_schedule */
+ movdqa (%ecx),%xmm0
+ movdqa %xmm0,(%edx)
+ decl %eax
+1:
+ addl $0x10,%edx
+ subl $0x10,%ecx
+// aesimc (%ecx),%xmm1
+ .byte 0x66,0x0f,0x38,0xdb,0x09
+ movdqa %xmm1,(%edx)
+ decl %eax
+ jne 1b
+
+ addl $0x10,%edx
+ subl $0x10,%ecx
+ movdqa (%ecx),%xmm0
+ movdqa %xmm0,(%edx)
+ leave
+ .cfi_adjust_cfa_offset -4
+ retl
+ .cfi_endproc
+END(aesni_set_deckey)
+
+ .ident "$FreeBSD$"
Added: head/sys/crypto/aesni/aesni.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/crypto/aesni/aesni.c Fri Jul 23 11:00:46 2010
(r210409)
@@ -0,0 +1,338 @@
+/*-
+ * Copyright (c) 2005-2008 Pawel Jakub Dawidek <p...@freebsd.org>
+ * Copyright (c) 2010 Konstantin Belousov <k...@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/kobj.h>
+#include <sys/libkern.h>
+#include <sys/lock.h>
+#include <sys/module.h>
+#include <sys/malloc.h>
+#include <sys/rwlock.h>
+#include <sys/bus.h>
+#include <sys/uio.h>
+#include <crypto/aesni/aesni.h>
+#include "cryptodev_if.h"
+
+struct aesni_softc {
+ int32_t cid;
+ uint32_t sid;
+ TAILQ_HEAD(aesni_sessions_head, aesni_session) sessions;
+ struct rwlock lock;
+};
+
+static int aesni_newsession(device_t, uint32_t *sidp, struct cryptoini *cri);
+static int aesni_freesession(device_t, uint64_t tid);
+static void aesni_freesession_locked(struct aesni_softc *sc,
+ struct aesni_session *ses);
+
+MALLOC_DEFINE(M_AESNI, "aesni_data", "AESNI Data");
+
+static void
+aesni_identify(driver_t *drv, device_t parent)
+{
+
+ /* NB: order 10 is so we get attached after h/w devices */
+ if (device_find_child(parent, "aesni", -1) == NULL &&
+ BUS_ADD_CHILD(parent, 10, "aesni", -1) == 0)
+ panic("aesni: could not attach");
+}
+
+static int
+aesni_probe(device_t dev)
+{
+ char capp[32];
+
+ if ((cpu_feature2 & CPUID2_AESNI) == 0) {
+ device_printf(dev, "No AESNI support.\n");
+ return (EINVAL);
+ }
+ strlcpy(capp, "AES-CBC", sizeof(capp));
+ device_set_desc_copy(dev, capp);
+ return (0);
+}
+
+static int
+aesni_attach(device_t dev)
+{
+ struct aesni_softc *sc;
+
+ sc = device_get_softc(dev);
+ TAILQ_INIT(&sc->sessions);
+ sc->sid = 1;
+ sc->cid = crypto_get_driverid(dev, CRYPTOCAP_F_HARDWARE);
+ if (sc->cid < 0) {
+ device_printf(dev, "Could not get crypto driver id.\n");
+ return (ENOMEM);
+ }
+
+ rw_init(&sc->lock, "aesni_lock");
+ crypto_register(sc->cid, CRYPTO_AES_CBC, 0, 0);
+ return (0);
+}
+
+static int
+aesni_detach(device_t dev)
+{
+ struct aesni_softc *sc;
+ struct aesni_session *ses;
+
+ sc = device_get_softc(dev);
+ rw_wlock(&sc->lock);
+ TAILQ_FOREACH(ses, &sc->sessions, next) {
+ if (ses->used) {
+ rw_wunlock(&sc->lock);
+ device_printf(dev,
+ "Cannot detach, sessions still active.\n");
+ return (EBUSY);
+ }
+ }
+ while ((ses = TAILQ_FIRST(&sc->sessions)) != NULL) {
+ TAILQ_REMOVE(&sc->sessions, ses, next);
+ free(ses, M_AESNI);
+ }
+ rw_wunlock(&sc->lock);
+ rw_destroy(&sc->lock);
+ crypto_unregister_all(sc->cid);
+ return (0);
+}
+
+static int
+aesni_newsession(device_t dev, uint32_t *sidp, struct cryptoini *cri)
+{
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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