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crypto: cryptd - move kcrypto_wq into cryptd
kcrypto_wq is only used by cryptd, so move it into cryptd.c and change the workqueue name from "crypto" to "cryptd". Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers
Herbert Xu
parent
e590e1321c
commit
3e56e16863
@ -61,7 +61,6 @@ config CRYPTO_BLKCIPHER2
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tristate
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select CRYPTO_ALGAPI2
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select CRYPTO_RNG2
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select CRYPTO_WORKQUEUE
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config CRYPTO_HASH
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tristate
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@ -183,15 +182,11 @@ config CRYPTO_PCRYPT
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This converts an arbitrary crypto algorithm into a parallel
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algorithm that executes in kernel threads.
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config CRYPTO_WORKQUEUE
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tristate
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config CRYPTO_CRYPTD
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tristate "Software async crypto daemon"
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select CRYPTO_BLKCIPHER
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select CRYPTO_HASH
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select CRYPTO_MANAGER
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select CRYPTO_WORKQUEUE
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help
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This is a generic software asynchronous crypto daemon that
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converts an arbitrary synchronous software crypto algorithm
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@ -6,8 +6,6 @@
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obj-$(CONFIG_CRYPTO) += crypto.o
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crypto-y := api.o cipher.o compress.o memneq.o
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obj-$(CONFIG_CRYPTO_WORKQUEUE) += crypto_wq.o
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obj-$(CONFIG_CRYPTO_ENGINE) += crypto_engine.o
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obj-$(CONFIG_CRYPTO_FIPS) += fips.o
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@ -21,7 +21,6 @@
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#include <crypto/internal/aead.h>
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#include <crypto/internal/skcipher.h>
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#include <crypto/cryptd.h>
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#include <crypto/crypto_wq.h>
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#include <linux/atomic.h>
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#include <linux/err.h>
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#include <linux/init.h>
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@ -31,11 +30,14 @@
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#include <linux/scatterlist.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
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#include <linux/workqueue.h>
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static unsigned int cryptd_max_cpu_qlen = 1000;
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module_param(cryptd_max_cpu_qlen, uint, 0);
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MODULE_PARM_DESC(cryptd_max_cpu_qlen, "Set cryptd Max queue depth");
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static struct workqueue_struct *cryptd_wq;
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struct cryptd_cpu_queue {
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struct crypto_queue queue;
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struct work_struct work;
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@ -141,7 +143,7 @@ static int cryptd_enqueue_request(struct cryptd_queue *queue,
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if (err == -ENOSPC)
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goto out_put_cpu;
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queue_work_on(cpu, kcrypto_wq, &cpu_queue->work);
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queue_work_on(cpu, cryptd_wq, &cpu_queue->work);
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if (!atomic_read(refcnt))
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goto out_put_cpu;
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@ -184,7 +186,7 @@ static void cryptd_queue_worker(struct work_struct *work)
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req->complete(req, 0);
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if (cpu_queue->queue.qlen)
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queue_work(kcrypto_wq, &cpu_queue->work);
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queue_work(cryptd_wq, &cpu_queue->work);
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}
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static inline struct cryptd_queue *cryptd_get_queue(struct crypto_tfm *tfm)
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@ -1123,19 +1125,31 @@ static int __init cryptd_init(void)
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{
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int err;
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cryptd_wq = alloc_workqueue("cryptd", WQ_MEM_RECLAIM | WQ_CPU_INTENSIVE,
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1);
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if (!cryptd_wq)
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return -ENOMEM;
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err = cryptd_init_queue(&queue, cryptd_max_cpu_qlen);
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if (err)
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return err;
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goto err_destroy_wq;
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err = crypto_register_template(&cryptd_tmpl);
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if (err)
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cryptd_fini_queue(&queue);
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goto err_fini_queue;
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return 0;
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err_fini_queue:
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cryptd_fini_queue(&queue);
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err_destroy_wq:
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destroy_workqueue(cryptd_wq);
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return err;
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}
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static void __exit cryptd_exit(void)
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{
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destroy_workqueue(cryptd_wq);
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cryptd_fini_queue(&queue);
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crypto_unregister_template(&cryptd_tmpl);
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}
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@ -1,40 +0,0 @@
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/*
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* Workqueue for crypto subsystem
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*
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* Copyright (c) 2009 Intel Corp.
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* Author: Huang Ying <ying.huang@intel.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#include <linux/workqueue.h>
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#include <linux/module.h>
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#include <crypto/algapi.h>
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#include <crypto/crypto_wq.h>
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struct workqueue_struct *kcrypto_wq;
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EXPORT_SYMBOL_GPL(kcrypto_wq);
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static int __init crypto_wq_init(void)
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{
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kcrypto_wq = alloc_workqueue("crypto",
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WQ_MEM_RECLAIM | WQ_CPU_INTENSIVE, 1);
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if (unlikely(!kcrypto_wq))
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return -ENOMEM;
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return 0;
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}
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static void __exit crypto_wq_exit(void)
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{
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destroy_workqueue(kcrypto_wq);
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}
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subsys_initcall(crypto_wq_init);
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module_exit(crypto_wq_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Workqueue for crypto subsystem");
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@ -10,7 +10,6 @@
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#include <crypto/aes.h>
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#include <crypto/algapi.h>
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#include <crypto/authenc.h>
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#include <crypto/crypto_wq.h>
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#include <crypto/des.h>
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#include <crypto/xts.h>
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#include <linux/crypto.h>
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@ -1,8 +0,0 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef CRYPTO_WQ_H
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#define CRYPTO_WQ_H
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#include <linux/workqueue.h>
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extern struct workqueue_struct *kcrypto_wq;
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#endif
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