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Sun, 24 Dec 2023 21:45:37 -0800 (PST) From: Hyman Huang To: qemu-devel Cc: Kevin Wolf , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , Hanna Reitz , Eric Blake , Markus Armbruster , Hyman Huang Subject: [PATCH RESEND v3 04/10] crypto: Introduce creation option and structure for detached LUKS header Date: Mon, 25 Dec 2023 13:45:06 +0800 Message-Id: <57ccc93a05f69973d41b571615f9ef13fd9b2983.1703482349.git.yong.huang@smartx.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::22d; envelope-from=yong.huang@smartx.com; helo=mail-oi1-x22d.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @smartx-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1703483299343100001 Content-Type: text/plain; charset="utf-8" Introduce 'header' field in BlockdevCreateOptionsLUKS to support detached LUKS header creation. Meanwhile, introduce header-related field in QCryptoBlock. Signed-off-by: Hyman Huang --- crypto/blockpriv.h | 3 +++ qapi/block-core.json | 3 +++ qapi/crypto.json | 5 ++++- 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/crypto/blockpriv.h b/crypto/blockpriv.h index 3c7ccea504..6289aea961 100644 --- a/crypto/blockpriv.h +++ b/crypto/blockpriv.h @@ -42,6 +42,9 @@ struct QCryptoBlock { size_t niv; uint64_t payload_offset; /* In bytes */ uint64_t sector_size; /* In bytes */ + + bool detached_header; /* True if disk has a detached LUKS header */ + uint64_t detached_header_size; /* LUKS header size plus key slot size = */ }; =20 struct QCryptoBlockDriver { diff --git a/qapi/block-core.json b/qapi/block-core.json index 9ac256c489..8aec179926 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -4948,6 +4948,8 @@ # @file: Node to create the image format on, mandatory except when # 'preallocation' is not requested # +# @header: Detached LUKS header node to format. (since 9.0) +# # @size: Size of the virtual disk in bytes # # @preallocation: Preallocation mode for the new image (since: 4.2) @@ -4958,6 +4960,7 @@ { 'struct': 'BlockdevCreateOptionsLUKS', 'base': 'QCryptoBlockCreateOptionsLUKS', 'data': { '*file': 'BlockdevRef', + '*header': 'BlockdevRef', 'size': 'size', '*preallocation': 'PreallocMode' } } =20 diff --git a/qapi/crypto.json b/qapi/crypto.json index fd3d46ebd1..6b4e86cb81 100644 --- a/qapi/crypto.json +++ b/qapi/crypto.json @@ -195,10 +195,13 @@ # decryption key. Mandatory except when probing image for # metadata only. # +# @detached-header: if true, disk has detached LUKS header. +# # Since: 2.6 ## { 'struct': 'QCryptoBlockOptionsLUKS', - 'data': { '*key-secret': 'str' }} + 'data': { '*key-secret': 'str', + '*detached-header': 'bool' }} =20 ## # @QCryptoBlockCreateOptionsLUKS: --=20 2.39.1