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crypto: vmx - Enabling VMX module for PPC64 

This patch enables VMX module in PPC64.

Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Leonidas S. Barbosa 2015-02-06 14:59:48 -02:00 committed by Herbert Xu
parent 5c380d623e
commit d2e3ae6f3a
4 changed files with 37 additions and 0 deletions
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9
drivers/crypto/Kconfig
View File

@ -436,4 +436,13 @@ config CRYPTO_DEV_QCE
hardware. To compile this driver as a module, choose M here. The
module will be called qcrypto.
config CRYPTO_DEV_VMX
bool "Support for VMX cryptographic acceleration instructions"
depends on PPC64
default n
help
Support for VMX cryptographic acceleration instructions.
source "drivers/crypto/vmx/Kconfig"
endif # CRYPTO_HW

1
drivers/crypto/Makefile
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@ -25,3 +25,4 @@ obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
obj-$(CONFIG_CRYPTO_DEV_UX500) += ux500/
obj-$(CONFIG_CRYPTO_DEV_QAT) += qat/
obj-$(CONFIG_CRYPTO_DEV_QCE) += qce/
obj-$(CONFIG_CRYPTO_DEV_VMX) += vmx/

8
drivers/crypto/vmx/Kconfig 100644
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@ -0,0 +1,8 @@
config CRYPTO_DEV_VMX_ENCRYPT
tristate "Encryption acceleration support on P8 CPU"
depends on PPC64 && CRYPTO_DEV_VMX
default y
help
Support for VMX cryptographic acceleration instructions on Power8 CPU.
This module supports acceleration for AES and GHASH in hardware. If you
choose 'M' here, this module will be called vmx-crypto.

19
drivers/crypto/vmx/Makefile 100644
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@ -0,0 +1,19 @@
obj-$(CONFIG_CRYPTO_DEV_VMX_ENCRYPT) += vmx-crypto.o
vmx-crypto-objs := vmx.o aesp8-ppc.o ghashp8-ppc.o aes.o aes_cbc.o aes_ctr.o ghash.o
ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
TARGET := linux-ppc64le
else
TARGET := linux-pcc64
endif
quiet_cmd_perl = PERL $@
cmd_perl = $(PERL) $(<) $(TARGET) > $(@)
$(src)/aesp8-ppc.S: $(src)/aesp8-ppc.pl
$(call cmd,perl)
$(src)/ghashp8-ppc.S: $(src)/ghashp8-ppc.pl
$(call cmd,perl)
.PRECIOUS: $(obj)/aesp8-ppc.S $(obj)/ghashp8-ppc.S