From patchwork Tue Jul 18 12:58:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ard Biesheuvel X-Patchwork-Id: 13317187 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4AED8EB64DA for ; Tue, 18 Jul 2023 13:03:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232552AbjGRNCz (ORCPT ); Tue, 18 Jul 2023 09:02:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232561AbjGRNB6 (ORCPT ); Tue, 18 Jul 2023 09:01:58 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F8D21702; Tue, 18 Jul 2023 06:00:54 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CB51C6157D; Tue, 18 Jul 2023 13:00:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB034C433D9; Tue, 18 Jul 2023 13:00:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689685249; bh=WuS8tfuWkadsvD2O2V7rKFd8MWT1OV3T8mJ+98LYJNo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KOZE5JKHBMLH4xqPAmknZzizKFbAuar0MPatAbTbxfzMgM5F5T2bWDuqhBqimvbvz lL8hhy704b+vsQ7ELuSTbnm0o+LG6XhaXxD2+jg3ZW5eKrVf8KmyHroHTD/A0WJi1T IO9OZ5y5F6F8zaIlybvZh8jj/PSBfYkamLIW9WAM9UbsrwUOh2UVDvpvxgoeo3FiO2 PNREjtTL8co/91NVDg2fCgO9x/ldAFrNNClD995an4PNN8CKiRbviBGXGxB0yoMOdu eg/X244yURv0/5iP21yB3b2VC8M1/IQLwA0dUHEC3KFSc5FY/P23Iwzf+7Zv44j0vw +UtrZYwAMxGfw== From: Ard Biesheuvel To: linux-crypto@vger.kernel.org Cc: Ard Biesheuvel , Herbert Xu , Eric Biggers , Kees Cook , Haren Myneni , Nick Terrell , Minchan Kim , Sergey Senozhatsky , Jens Axboe , Giovanni Cabiddu , Richard Weinberger , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Steffen Klassert , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, qat-linux@intel.com, linuxppc-dev@lists.ozlabs.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org Subject: [RFC PATCH 17/21] crypto: cavium/zip - drop obsolete 'comp' implementation Date: Tue, 18 Jul 2023 14:58:43 +0200 Message-Id: <20230718125847.3869700-18-ardb@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230718125847.3869700-1-ardb@kernel.org> References: <20230718125847.3869700-1-ardb@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=5435; i=ardb@kernel.org; h=from:subject; bh=WuS8tfuWkadsvD2O2V7rKFd8MWT1OV3T8mJ+98LYJNo=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIWVbT1PjcQb7M0e4sxP2uX86f9CqYGqijYXnfN2/hx5Zb lTb9qino5SFQYyDQVZMkUVg9t93O09PlKp1niULM4eVCWQIAxenAEzEz5+R4U3W3HV3XrUuW1jP e89tUQxfqvjH+U5PWp5/XLB8+ZnPE7sY/nDf+Zybn1Z3+YrA3H0LbsTY3ZHcZ/ntd+PM41/jvux jWMUJAA== X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org The 'comp' API is obsolete and will be removed, so remove this comp implementation. Signed-off-by: Ard Biesheuvel --- drivers/crypto/cavium/zip/zip_crypto.c | 40 ---------------- drivers/crypto/cavium/zip/zip_crypto.h | 10 ---- drivers/crypto/cavium/zip/zip_main.c | 50 +------------------- 3 files changed, 1 insertion(+), 99 deletions(-) diff --git a/drivers/crypto/cavium/zip/zip_crypto.c b/drivers/crypto/cavium/zip/zip_crypto.c index 1046a746d36f551c..5edad3b1d1dc8398 100644 --- a/drivers/crypto/cavium/zip/zip_crypto.c +++ b/drivers/crypto/cavium/zip/zip_crypto.c @@ -195,46 +195,6 @@ static int zip_decompress(const u8 *src, unsigned int slen, return ret; } -/* Legacy Compress framework start */ -int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm) -{ - struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm); - - return zip_ctx_init(zip_ctx, 0); -} - -int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm) -{ - struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm); - - return zip_ctx_init(zip_ctx, 1); -} - -void zip_free_comp_ctx(struct crypto_tfm *tfm) -{ - struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm); - - zip_ctx_exit(zip_ctx); -} - -int zip_comp_compress(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm); - - return zip_compress(src, slen, dst, dlen, zip_ctx); -} - -int zip_comp_decompress(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm); - - return zip_decompress(src, slen, dst, dlen, zip_ctx); -} /* Legacy compress framework end */ - /* SCOMP framework start */ void *zip_alloc_scomp_ctx_deflate(struct crypto_scomp *tfm) { diff --git a/drivers/crypto/cavium/zip/zip_crypto.h b/drivers/crypto/cavium/zip/zip_crypto.h index b59ddfcacd34447e..a1ae3825fb65c3b6 100644 --- a/drivers/crypto/cavium/zip/zip_crypto.h +++ b/drivers/crypto/cavium/zip/zip_crypto.h @@ -57,16 +57,6 @@ struct zip_kernel_ctx { struct zip_operation zip_decomp; }; -int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm); -int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm); -void zip_free_comp_ctx(struct crypto_tfm *tfm); -int zip_comp_compress(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen); -int zip_comp_decompress(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen); - void *zip_alloc_scomp_ctx_deflate(struct crypto_scomp *tfm); void *zip_alloc_scomp_ctx_lzs(struct crypto_scomp *tfm); void zip_free_scomp_ctx(struct crypto_scomp *tfm, void *zip_ctx); diff --git a/drivers/crypto/cavium/zip/zip_main.c b/drivers/crypto/cavium/zip/zip_main.c index dc5b7bf7e1fd9867..abd58de4343ddd8e 100644 --- a/drivers/crypto/cavium/zip/zip_main.c +++ b/drivers/crypto/cavium/zip/zip_main.c @@ -371,36 +371,6 @@ static struct pci_driver zip_driver = { /* Kernel Crypto Subsystem Interface */ -static struct crypto_alg zip_comp_deflate = { - .cra_name = "deflate", - .cra_driver_name = "deflate-cavium", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct zip_kernel_ctx), - .cra_priority = 300, - .cra_module = THIS_MODULE, - .cra_init = zip_alloc_comp_ctx_deflate, - .cra_exit = zip_free_comp_ctx, - .cra_u = { .compress = { - .coa_compress = zip_comp_compress, - .coa_decompress = zip_comp_decompress - } } -}; - -static struct crypto_alg zip_comp_lzs = { - .cra_name = "lzs", - .cra_driver_name = "lzs-cavium", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct zip_kernel_ctx), - .cra_priority = 300, - .cra_module = THIS_MODULE, - .cra_init = zip_alloc_comp_ctx_lzs, - .cra_exit = zip_free_comp_ctx, - .cra_u = { .compress = { - .coa_compress = zip_comp_compress, - .coa_decompress = zip_comp_decompress - } } -}; - static struct scomp_alg zip_scomp_deflate = { .alloc_ctx = zip_alloc_scomp_ctx_deflate, .free_ctx = zip_free_scomp_ctx, @@ -431,22 +401,10 @@ static int zip_register_compression_device(void) { int ret; - ret = crypto_register_alg(&zip_comp_deflate); - if (ret < 0) { - zip_err("Deflate algorithm registration failed\n"); - return ret; - } - - ret = crypto_register_alg(&zip_comp_lzs); - if (ret < 0) { - zip_err("LZS algorithm registration failed\n"); - goto err_unregister_alg_deflate; - } - ret = crypto_register_scomp(&zip_scomp_deflate); if (ret < 0) { zip_err("Deflate scomp algorithm registration failed\n"); - goto err_unregister_alg_lzs; + return ret; } ret = crypto_register_scomp(&zip_scomp_lzs); @@ -459,18 +417,12 @@ static int zip_register_compression_device(void) err_unregister_scomp_deflate: crypto_unregister_scomp(&zip_scomp_deflate); -err_unregister_alg_lzs: - crypto_unregister_alg(&zip_comp_lzs); -err_unregister_alg_deflate: - crypto_unregister_alg(&zip_comp_deflate); return ret; } static void zip_unregister_compression_device(void) { - crypto_unregister_alg(&zip_comp_deflate); - crypto_unregister_alg(&zip_comp_lzs); crypto_unregister_scomp(&zip_scomp_deflate); crypto_unregister_scomp(&zip_scomp_lzs); }