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crypto: tcrypt - move to generic async completion

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tcrypt starts several async crypto ops and  waits for their completions.
Move it over to generic code doing the same.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Gilad Ben-Yossef 2017-10-18 08:00:48 +01:00 committed by Herbert Xu
parent 46f1414c8a
commit 646710419a
1 changed files with 25 additions and 59 deletions
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84
crypto/tcrypt.c
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@ -79,34 +79,11 @@ static char *check[] = {
NULL
};
struct tcrypt_result {
struct completion completion;
int err;
};
static void tcrypt_complete(struct crypto_async_request *req, int err)
{
struct tcrypt_result *res = req->data;
if (err == -EINPROGRESS)
return;
res->err = err;
complete(&res->completion);
}
static inline int do_one_aead_op(struct aead_request *req, int ret)
{
if (ret == -EINPROGRESS || ret == -EBUSY) {
struct tcrypt_result *tr = req->base.data;
struct crypto_wait *wait = req->base.data;
ret = wait_for_completion_interruptible(&tr->completion);
if (!ret)
ret = tr->err;
reinit_completion(&tr->completion);
}
return ret;
return crypto_wait_req(ret, wait);
}
static int test_aead_jiffies(struct aead_request *req, int enc,
@ -248,7 +225,7 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
char *axbuf[XBUFSIZE];
unsigned int *b_size;
unsigned int iv_len;
struct tcrypt_result result;
struct crypto_wait wait;
iv = kzalloc(MAX_IVLEN, GFP_KERNEL);
if (!iv)
@ -284,7 +261,7 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
goto out_notfm;
}
init_completion(&result.completion);
crypto_init_wait(&wait);
printk(KERN_INFO "\ntesting speed of %s (%s) %s\n", algo,
get_driver_name(crypto_aead, tfm), e);
@ -296,7 +273,7 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
}
aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
tcrypt_complete, &result);
crypto_req_done, &wait);
i = 0;
do {
@ -398,21 +375,16 @@ static void test_hash_sg_init(struct scatterlist *sg)
static inline int do_one_ahash_op(struct ahash_request *req, int ret)
{
if (ret == -EINPROGRESS || ret == -EBUSY) {
struct tcrypt_result *tr = req->base.data;
struct crypto_wait *wait = req->base.data;
wait_for_completion(&tr->completion);
reinit_completion(&tr->completion);
ret = tr->err;
}
return ret;
return crypto_wait_req(ret, wait);
}
struct test_mb_ahash_data {
struct scatterlist sg[TVMEMSIZE];
char result[64];
struct ahash_request *req;
struct tcrypt_result tresult;
struct crypto_wait wait;
char *xbuf[XBUFSIZE];
};
@ -441,7 +413,7 @@ static void test_mb_ahash_speed(const char *algo, unsigned int sec,
if (testmgr_alloc_buf(data[i].xbuf))
goto out;
init_completion(&data[i].tresult.completion);
crypto_init_wait(&data[i].wait);
data[i].req = ahash_request_alloc(tfm, GFP_KERNEL);
if (!data[i].req) {
@ -450,8 +422,8 @@ static void test_mb_ahash_speed(const char *algo, unsigned int sec,
goto out;
}
ahash_request_set_callback(data[i].req, 0,
tcrypt_complete, &data[i].tresult);
ahash_request_set_callback(data[i].req, 0, crypto_req_done,
&data[i].wait);
test_hash_sg_init(data[i].sg);
}
@ -493,16 +465,16 @@ static void test_mb_ahash_speed(const char *algo, unsigned int sec,
if (ret)
break;
complete(&data[k].tresult.completion);
data[k].tresult.err = 0;
crypto_req_done(&data[k].req->base, 0);
}
for (j = 0; j < k; j++) {
struct tcrypt_result *tr = &data[j].tresult;
struct crypto_wait *wait = &data[j].wait;
int wait_ret;
wait_for_completion(&tr->completion);
if (tr->err)
ret = tr->err;
wait_ret = crypto_wait_req(-EINPROGRESS, wait);
if (wait_ret)
ret = wait_ret;
}
end = get_cycles();
@ -680,7 +652,7 @@ static void test_ahash_speed_common(const char *algo, unsigned int secs,
struct hash_speed *speed, unsigned mask)
{
struct scatterlist sg[TVMEMSIZE];
struct tcrypt_result tresult;
struct crypto_wait wait;
struct ahash_request *req;
struct crypto_ahash *tfm;
char *output;
@ -709,9 +681,9 @@ static void test_ahash_speed_common(const char *algo, unsigned int secs,
goto out;
}
init_completion(&tresult.completion);
crypto_init_wait(&wait);
ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
tcrypt_complete, &tresult);
crypto_req_done, &wait);
output = kmalloc(MAX_DIGEST_SIZE, GFP_KERNEL);
if (!output)
@ -766,15 +738,9 @@ static void test_hash_speed(const char *algo, unsigned int secs,
static inline int do_one_acipher_op(struct skcipher_request *req, int ret)
{
if (ret == -EINPROGRESS || ret == -EBUSY) {
struct tcrypt_result *tr = req->base.data;
struct crypto_wait *wait = req->base.data;
wait_for_completion(&tr->completion);
reinit_completion(&tr->completion);
ret = tr->err;
}
return ret;
return crypto_wait_req(ret, wait);
}
static int test_acipher_jiffies(struct skcipher_request *req, int enc,
@ -854,7 +820,7 @@ static void test_skcipher_speed(const char *algo, int enc, unsigned int secs,
unsigned int tcount, u8 *keysize, bool async)
{
unsigned int ret, i, j, k, iv_len;
struct tcrypt_result tresult;
struct crypto_wait wait;
const char *key;
char iv[128];
struct skcipher_request *req;
@ -867,7 +833,7 @@ static void test_skcipher_speed(const char *algo, int enc, unsigned int secs,
else
e = "decryption";
init_completion(&tresult.completion);
crypto_init_wait(&wait);
tfm = crypto_alloc_skcipher(algo, 0, async ? 0 : CRYPTO_ALG_ASYNC);
@ -888,7 +854,7 @@ static void test_skcipher_speed(const char *algo, int enc, unsigned int secs,
}
skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
tcrypt_complete, &tresult);
crypto_req_done, &wait);
i = 0;
do {