From patchwork Mon Dec 4 16:06:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yong Huang X-Patchwork-Id: 13478730 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F41B4C4167B for ; Mon, 4 Dec 2023 16:10:43 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rABV8-0006kn-43; Mon, 04 Dec 2023 11:08:54 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rABV5-0006kB-Js for qemu-devel@nongnu.org; Mon, 04 Dec 2023 11:08:51 -0500 Received: from mail-pf1-x433.google.com ([2607:f8b0:4864:20::433]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rABV3-0005HY-R9 for qemu-devel@nongnu.org; Mon, 04 Dec 2023 11:08:51 -0500 Received: by mail-pf1-x433.google.com with SMTP id d2e1a72fcca58-6ce3efb78e2so1773900b3a.1 for ; Mon, 04 Dec 2023 08:06:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=smartx-com.20230601.gappssmtp.com; s=20230601; t=1701706008; x=1702310808; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Paa1v9lX7auJnjKurBVZBYxHkzxsBjXqa29SVbISB48=; b=U7YsT0RBX94pAoDNw18ebKp9J1sSCGVz7EmkDPxGljVSAt/eqD2+GZnZ2KhxtLPR6b bu3+vxT2wVaqAkW9IRTdrRTXPmZULePUMPOaVMocMqpUh6fWdeiOs3UML4ck1ybca5Mf 54uhOorcCv8VawcJh62fq3oDW0Dha95gTgQxysaJEWsEqFQP1366Z3UxmUQhR1BpyGFW SHbYcjDP4ZMHUb3l7CHR0eNkiU3EHlPNlxEf6V4nl0UNUJqo4A5601tw12BO2E6BsPfP uDfp5eHtDLbTB5MDINc8K1kApEhu7PapiD9Q4iX7ljXtfBsmLtYvWTL1rYy2hD7GQn6G jB2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701706008; x=1702310808; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Paa1v9lX7auJnjKurBVZBYxHkzxsBjXqa29SVbISB48=; b=tzyx04TUxwITKIDBLlrgQyr3FO/2zwf5/cy0tvRL+dxODu/eOJoztQ6eBnW5aviqwQ 2Ah/nPAqyWJb1nwlyeWcI/KKTCeokrC0BxyMNCNuyW80tBJa/f0NcWhMuphMRi1/wrVg Vzl77Pa2njdyL6LKXKiV0Rjp0Xu+4KtD1P+0iX1NIJMrwIvkVTo/RcJzISUDeK0I6r2K 6dXPgmBPRE5XLbc8QjkiaZIZ0qzlE0ubKOhfG9mu2+/7Ou2pJWtrSHuZxaO8GRULYP0d 9h/lPaGWPp0q178tvuLlt3yGYS2LboMQDJIgWIXyLux28NOyocoFasZjP9lPK1lPUaSB qLNw== X-Gm-Message-State: AOJu0YwHgP+PS2+YXzKQqob6gwrLpSNybM+c3pI4EPCZDIArgO/kSktU 1mu51YjkMAIWfb+y+EkOpeS2gFI9KYKdE/9n3m8j/jKD X-Google-Smtp-Source: AGHT+IGtjxyGHy5eOaXkwD5tMHenm76xoijZUWzR3057CdomPVltOfsQFLGSwMDhG15BOi4S0+GXyw== X-Received: by 2002:a05:6a21:9981:b0:18f:97c:9766 with SMTP id ve1-20020a056a21998100b0018f097c9766mr6194014pzb.78.1701706007923; Mon, 04 Dec 2023 08:06:47 -0800 (PST) Received: from localhost.localdomain ([125.71.95.66]) by smtp.gmail.com with ESMTPSA id m17-20020aa78a11000000b006be4bb0d2dcsm7993064pfa.149.2023.12.04.08.06.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Dec 2023 08:06:47 -0800 (PST) From: Hyman Huang To: qemu-devel@nongnu.org Cc: Kevin Wolf , Hanna Reitz , =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= , Eric Blake , Markus Armbruster , yong.huang@smartx.com Subject: [RFC 3/8] Gluks: Add the basic framework Date: Tue, 5 Dec 2023 00:06:20 +0800 Message-Id: <86633da8871fc0aceb1d0667ad05e15494585a70.1701705003.git.yong.huang@smartx.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::433; envelope-from=yong.huang@smartx.com; helo=mail-pf1-x433.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Gluks would be a built-in format in the QEMU block layer. Signed-off-by: Hyman Huang --- block/generic-luks.c | 81 ++++++++++++++++++++++++++++++++++++++++++++ block/generic-luks.h | 26 ++++++++++++++ block/meson.build | 1 + 3 files changed, 108 insertions(+) create mode 100644 block/generic-luks.c create mode 100644 block/generic-luks.h diff --git a/block/generic-luks.c b/block/generic-luks.c new file mode 100644 index 0000000000..f23e202991 --- /dev/null +++ b/block/generic-luks.c @@ -0,0 +1,81 @@ +/* + * QEMU block driver for the generic luks encryption + * + * Copyright (c) 2024 SmartX Inc + * + * Author: Hyman Huang + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + * + */ + +#include "qemu/osdep.h" + +#include "block/block_int.h" +#include "block/crypto.h" +#include "crypto/block.h" + +#include "generic-luks.h" + +/* BDRVGLUKSState holds the state of one generic LUKS instance */ +typedef struct BDRVGLUKSState { + BlockCrypto crypto; + BdrvChild *header; /* LUKS header node */ + uint64_t header_size; /* In bytes */ +} BDRVGLUKSState; + +static int gluks_open(BlockDriverState *bs, QDict *options, int flags, + Error **errp) +{ + return 0; +} + +static int coroutine_fn GRAPH_UNLOCKED +gluks_co_create_opts(BlockDriver *drv, const char *filename, + QemuOpts *opts, Error **errp) +{ + return 0; +} + +static void +gluks_child_perms(BlockDriverState *bs, BdrvChild *c, + const BdrvChildRole role, + BlockReopenQueue *reopen_queue, + uint64_t perm, uint64_t shared, + uint64_t *nperm, uint64_t *nshared) +{ + +} + +static int64_t coroutine_fn GRAPH_RDLOCK +gluks_co_getlength(BlockDriverState *bs) +{ + return 0; +} + +static BlockDriver bdrv_generic_luks = { + .format_name = "gluks", + .instance_size = sizeof(BDRVGLUKSState), + .bdrv_open = gluks_open, + .bdrv_co_create_opts = gluks_co_create_opts, + .bdrv_child_perm = gluks_child_perms, + .bdrv_co_getlength = gluks_co_getlength, +}; + +static void block_generic_luks_init(void) +{ + bdrv_register(&bdrv_generic_luks); +} + +block_init(block_generic_luks_init); diff --git a/block/generic-luks.h b/block/generic-luks.h new file mode 100644 index 0000000000..2aae866fa4 --- /dev/null +++ b/block/generic-luks.h @@ -0,0 +1,26 @@ +/* + * QEMU block driver for the generic luks encryption + * + * Copyright (c) 2024 SmartX Inc + * + * Author: Hyman Huang + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + * + */ + +#ifndef GENERIC_LUKS_H +#define GENERIC_LUKS_H + +#endif /* GENERIC_LUKS_H */ diff --git a/block/meson.build b/block/meson.build index 59ff6d380c..74f2da7bed 100644 --- a/block/meson.build +++ b/block/meson.build @@ -39,6 +39,7 @@ block_ss.add(files( 'throttle.c', 'throttle-groups.c', 'write-threshold.c', + 'generic-luks.c', ), zstd, zlib, gnutls) system_ss.add(when: 'CONFIG_TCG', if_true: files('blkreplay.c'))