linux/drivers/crypto/vmx/Kconfig

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# SPDX-License-Identifier: GPL-2.0-only
config CRYPTO_DEV_VMX_ENCRYPT
tristate "Encryption acceleration support on P8 CPU"
depends on CRYPTO_DEV_VMX
crypto: vmx - add missing dependencies vmx-crypto module depends on CRYPTO_AES, CRYPTO_CBC, CRYPTO_CTR or CRYPTO_XTS, thus add them. These dependencies are likely to be enabled, but if CRYPTO_DEV_VMX=y && !CRYPTO_MANAGER_DISABLE_TESTS and either of CRYPTO_AES, CRYPTO_CBC, CRYPTO_CTR or CRYPTO_XTS is built as module or disabled, alg_test() from crypto/testmgr.c complains during boot about failing to allocate the generic fallback implementations (2 == ENOENT): [ 0.540953] Failed to allocate xts(aes) fallback: -2 [ 0.541014] alg: skcipher: failed to allocate transform for p8_aes_xts: -2 [ 0.541120] alg: self-tests for p8_aes_xts (xts(aes)) failed (rc=-2) [ 0.544440] Failed to allocate ctr(aes) fallback: -2 [ 0.544497] alg: skcipher: failed to allocate transform for p8_aes_ctr: -2 [ 0.544603] alg: self-tests for p8_aes_ctr (ctr(aes)) failed (rc=-2) [ 0.547992] Failed to allocate cbc(aes) fallback: -2 [ 0.548052] alg: skcipher: failed to allocate transform for p8_aes_cbc: -2 [ 0.548156] alg: self-tests for p8_aes_cbc (cbc(aes)) failed (rc=-2) [ 0.550745] Failed to allocate transformation for 'aes': -2 [ 0.550801] alg: cipher: Failed to load transform for p8_aes: -2 [ 0.550892] alg: self-tests for p8_aes (aes) failed (rc=-2) Fixes: c07f5d3da643 ("crypto: vmx - Adding support for XTS") Fixes: d2e3ae6f3aba ("crypto: vmx - Enabling VMX module for PPC64") Suggested-by: Nicolai Stange <nstange@suse.de> Signed-off-by: Petr Vorel <pvorel@suse.cz> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-02-23 23:11:15 +08:00
select CRYPTO_AES
select CRYPTO_CBC
select CRYPTO_CTR
select CRYPTO_GHASH
crypto: vmx - add missing dependencies vmx-crypto module depends on CRYPTO_AES, CRYPTO_CBC, CRYPTO_CTR or CRYPTO_XTS, thus add them. These dependencies are likely to be enabled, but if CRYPTO_DEV_VMX=y && !CRYPTO_MANAGER_DISABLE_TESTS and either of CRYPTO_AES, CRYPTO_CBC, CRYPTO_CTR or CRYPTO_XTS is built as module or disabled, alg_test() from crypto/testmgr.c complains during boot about failing to allocate the generic fallback implementations (2 == ENOENT): [ 0.540953] Failed to allocate xts(aes) fallback: -2 [ 0.541014] alg: skcipher: failed to allocate transform for p8_aes_xts: -2 [ 0.541120] alg: self-tests for p8_aes_xts (xts(aes)) failed (rc=-2) [ 0.544440] Failed to allocate ctr(aes) fallback: -2 [ 0.544497] alg: skcipher: failed to allocate transform for p8_aes_ctr: -2 [ 0.544603] alg: self-tests for p8_aes_ctr (ctr(aes)) failed (rc=-2) [ 0.547992] Failed to allocate cbc(aes) fallback: -2 [ 0.548052] alg: skcipher: failed to allocate transform for p8_aes_cbc: -2 [ 0.548156] alg: self-tests for p8_aes_cbc (cbc(aes)) failed (rc=-2) [ 0.550745] Failed to allocate transformation for 'aes': -2 [ 0.550801] alg: cipher: Failed to load transform for p8_aes: -2 [ 0.550892] alg: self-tests for p8_aes (aes) failed (rc=-2) Fixes: c07f5d3da643 ("crypto: vmx - Adding support for XTS") Fixes: d2e3ae6f3aba ("crypto: vmx - Enabling VMX module for PPC64") Suggested-by: Nicolai Stange <nstange@suse.de> Signed-off-by: Petr Vorel <pvorel@suse.cz> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-02-23 23:11:15 +08:00
select CRYPTO_XTS
default m
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.