tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: 6ecc9d9ff91ff26769e58164b6216c6189cb8302 commit: 56e8e57fc3a707bf4f23f88c4822e6cbc9a950dc [68/69] crypto: morus - Add common SIMD glue code for MORUS config: s390-allmodconfig (attached as .config) compiler: s390x-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 56e8e57fc3a707bf4f23f88c4822e6cbc9a950dc # save the attached .config to linux build tree make.cross ARCH=s390
All errors (new ones prefixed by >>):
crypto/morus640_glue.c: In function 'crypto_morus640_glue_crypt':
>> crypto/morus640_glue.c:147:2: error: too few arguments to function
>> 'kernel_fpu_begin'
kernel_fpu_begin();
^~~~~~~~~~~~~~~~
In file included from crypto/morus640_glue.c:24:0:
arch/s390/include/asm/fpu/api.h:94:20: note: declared here
static inline void kernel_fpu_begin(struct kernel_fpu *state, u32 flags)
^~~~~~~~~~~~~~~~
>> crypto/morus640_glue.c:154:2: error: too few arguments to function
>> 'kernel_fpu_end'
kernel_fpu_end();
^~~~~~~~~~~~~~
In file included from crypto/morus640_glue.c:24:0:
arch/s390/include/asm/fpu/api.h:107:20: note: declared here
static inline void kernel_fpu_end(struct kernel_fpu *state, u32 flags)
^~~~~~~~~~~~~~
crypto/morus640_glue.c: In function 'cryptd_morus640_glue_encrypt':
>> crypto/morus640_glue.c:239:6: error: implicit declaration of function
>> 'irq_fpu_usable'; did you mean '__cpu_disable'?
>> [-Werror=implicit-function-declaration]
if (irq_fpu_usable() && (!in_atomic() ||
^~~~~~~~~~~~~~
__cpu_disable
cc1: some warnings being treated as errors
--
crypto/morus1280_glue.c: In function 'crypto_morus1280_glue_crypt':
>> crypto/morus1280_glue.c:151:2: error: too few arguments to function
>> 'kernel_fpu_begin'
kernel_fpu_begin();
^~~~~~~~~~~~~~~~
In file included from crypto/morus1280_glue.c:24:0:
arch/s390/include/asm/fpu/api.h:94:20: note: declared here
static inline void kernel_fpu_begin(struct kernel_fpu *state, u32 flags)
^~~~~~~~~~~~~~~~
>> crypto/morus1280_glue.c:158:2: error: too few arguments to function
>> 'kernel_fpu_end'
kernel_fpu_end();
^~~~~~~~~~~~~~
In file included from crypto/morus1280_glue.c:24:0:
arch/s390/include/asm/fpu/api.h:107:20: note: declared here
static inline void kernel_fpu_end(struct kernel_fpu *state, u32 flags)
^~~~~~~~~~~~~~
crypto/morus1280_glue.c: In function 'cryptd_morus1280_glue_encrypt':
>> crypto/morus1280_glue.c:243:6: error: implicit declaration of function
>> 'irq_fpu_usable'; did you mean '__cpu_disable'?
>> [-Werror=implicit-function-declaration]
if (irq_fpu_usable() && (!in_atomic() ||
^~~~~~~~~~~~~~
__cpu_disable
cc1: some warnings being treated as errors
vim +/kernel_fpu_begin +147 crypto/morus640_glue.c
137
138 static void crypto_morus640_glue_crypt(struct aead_request *req,
139 struct morus640_ops ops,
140 unsigned int cryptlen,
141 struct morus640_block *tag_xor)
142 {
143 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
144 struct morus640_ctx *ctx = crypto_aead_ctx(tfm);
145 struct morus640_state state;
146
> 147 kernel_fpu_begin();
148
149 ctx->ops->init(&state, &ctx->key, req->iv);
150 crypto_morus640_glue_process_ad(&state, ctx->ops, req->src,
req->assoclen);
151 crypto_morus640_glue_process_crypt(&state, ops, req);
152 ctx->ops->final(&state, tag_xor, req->assoclen, cryptlen);
153
> 154 kernel_fpu_end();
155 }
156
157 int crypto_morus640_glue_encrypt(struct aead_request *req)
158 {
159 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
160 struct morus640_ctx *ctx = crypto_aead_ctx(tfm);
161 struct morus640_ops OPS = {
162 .skcipher_walk_init = skcipher_walk_aead_encrypt,
163 .crypt_blocks = ctx->ops->enc,
164 .crypt_tail = ctx->ops->enc_tail,
165 };
166
167 struct morus640_block tag = {};
168 unsigned int authsize = crypto_aead_authsize(tfm);
169 unsigned int cryptlen = req->cryptlen;
170
171 crypto_morus640_glue_crypt(req, OPS, cryptlen, &tag);
172
173 scatterwalk_map_and_copy(tag.bytes, req->dst,
174 req->assoclen + cryptlen, authsize, 1);
175 return 0;
176 }
177 EXPORT_SYMBOL_GPL(crypto_morus640_glue_encrypt);
178
179 int crypto_morus640_glue_decrypt(struct aead_request *req)
180 {
181 static const u8 zeros[MORUS640_BLOCK_SIZE] = {};
182
183 struct crypto_aead *tfm = crypto_aead_reqtfm(req);
184 struct morus640_ctx *ctx = crypto_aead_ctx(tfm);
185 struct morus640_ops OPS = {
186 .skcipher_walk_init = skcipher_walk_aead_decrypt,
187 .crypt_blocks = ctx->ops->dec,
188 .crypt_tail = ctx->ops->dec_tail,
189 };
190
191 struct morus640_block tag;
192 unsigned int authsize = crypto_aead_authsize(tfm);
193 unsigned int cryptlen = req->cryptlen - authsize;
194
195 scatterwalk_map_and_copy(tag.bytes, req->src,
196 req->assoclen + cryptlen, authsize, 0);
197
198 crypto_morus640_glue_crypt(req, OPS, cryptlen, &tag);
199
200 return crypto_memneq(tag.bytes, zeros, authsize) ? -EBADMSG : 0;
201 }
202 EXPORT_SYMBOL_GPL(crypto_morus640_glue_decrypt);
203
204 void crypto_morus640_glue_init_ops(struct crypto_aead *aead,
205 const struct morus640_glue_ops *ops)
206 {
207 struct morus640_ctx *ctx = crypto_aead_ctx(aead);
208 ctx->ops = ops;
209 }
210 EXPORT_SYMBOL_GPL(crypto_morus640_glue_init_ops);
211
212 int cryptd_morus640_glue_setkey(struct crypto_aead *aead, const u8 *key,
213 unsigned int keylen)
214 {
215 struct cryptd_aead **ctx = crypto_aead_ctx(aead);
216 struct cryptd_aead *cryptd_tfm = *ctx;
217
218 return crypto_aead_setkey(&cryptd_tfm->base, key, keylen);
219 }
220 EXPORT_SYMBOL_GPL(cryptd_morus640_glue_setkey);
221
222 int cryptd_morus640_glue_setauthsize(struct crypto_aead *aead,
223 unsigned int authsize)
224 {
225 struct cryptd_aead **ctx = crypto_aead_ctx(aead);
226 struct cryptd_aead *cryptd_tfm = *ctx;
227
228 return crypto_aead_setauthsize(&cryptd_tfm->base, authsize);
229 }
230 EXPORT_SYMBOL_GPL(cryptd_morus640_glue_setauthsize);
231
232 int cryptd_morus640_glue_encrypt(struct aead_request *req)
233 {
234 struct crypto_aead *aead = crypto_aead_reqtfm(req);
235 struct cryptd_aead **ctx = crypto_aead_ctx(aead);
236 struct cryptd_aead *cryptd_tfm = *ctx;
237
238 aead = &cryptd_tfm->base;
> 239 if (irq_fpu_usable() && (!in_atomic() ||
240 !cryptd_aead_queued(cryptd_tfm)))
241 aead = cryptd_aead_child(cryptd_tfm);
242
243 aead_request_set_tfm(req, aead);
244
245 return crypto_aead_encrypt(req);
246 }
247 EXPORT_SYMBOL_GPL(cryptd_morus640_glue_encrypt);
248
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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