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Message-Id: <1508059209-25529-17-git-send-email-gilad@benyossef.com>
Date: Sun, 15 Oct 2017 10:20:01 +0100
From: Gilad Ben-Yossef <gilad@...yossef.com>
To: Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>,
Jonathan Corbet <corbet@....net>,
David Howells <dhowells@...hat.com>,
Tom Lendacky <thomas.lendacky@....com>,
Gary Hook <gary.hook@....com>,
Boris Brezillon <boris.brezillon@...e-electrons.com>,
Arnaud Ebalard <arno@...isbad.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Alasdair Kergon <agk@...hat.com>,
Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
Steve French <sfrench@...ba.org>,
"Theodore Y. Ts'o" <tytso@....edu>,
Jaegeuk Kim <jaegeuk@...nel.org>,
Steffen Klassert <steffen.klassert@...unet.com>,
Alexey Kuznetsov <kuznet@....inr.ac.ru>,
Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
Mimi Zohar <zohar@...ux.vnet.ibm.com>,
Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
James Morris <james.l.morris@...cle.com>,
"Serge E. Hallyn" <serge@...lyn.com>
Cc: Ofir Drang <ofir.drang@....com>, linux-crypto@...r.kernel.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
keyrings@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-cifs@...r.kernel.org,
samba-technical@...ts.samba.org, linux-fscrypt@...r.kernel.org,
netdev@...r.kernel.org, linux-ima-devel@...ts.sourceforge.net,
linux-ima-user@...ts.sourceforge.net,
linux-security-module@...r.kernel.org
Subject: [PATCH v9 16/20] crypto: tcrypt: move to generic async completion
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@...yossef.com>
---
crypto/tcrypt.c | 84 +++++++++++++++++----------------------------------------
1 file changed, 25 insertions(+), 59 deletions(-)
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index a371c072..7fa7047 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -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 {
@@ -396,21 +373,16 @@ 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];
};
@@ -439,7 +411,7 @@ 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) {
@@ -448,8 +420,8 @@ 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);
}
@@ -491,16 +463,16 @@ 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();
@@ -678,7 +650,7 @@ 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;
@@ -707,9 +679,9 @@ 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)
@@ -764,15 +736,9 @@ 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;
-
- wait_for_completion(&tr->completion);
- reinit_completion(&tr->completion);
- ret = tr->err;
- }
+ struct crypto_wait *wait = req->base.data;
- return ret;
+ return crypto_wait_req(ret, wait);
}
static int test_acipher_jiffies(struct skcipher_request *req, int enc,
@@ -852,7 +818,7 @@ 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;
@@ -865,7 +831,7 @@ 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);
@@ -886,7 +852,7 @@ 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 {
--
2.7.4
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