From: Eric Biggers <ebiggers@kernel.org>
To: Satya Tangirala <satyat@google.com>
Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-ext4@vger.kernel.org,
Barani Muthukumaran <bmuthuku@qti.qualcomm.com>,
Kuohong Wang <kuohong.wang@mediatek.com>,
Kim Boojin <boojin.kim@samsung.com>
Subject: Re: [PATCH v12 04/12] block: Make blk-integrity preclude hardware inline encryption
Date: Wed, 13 May 2020 10:30:26 -0700 [thread overview]
Message-ID: <20200513173026.GD1243@sol.localdomain> (raw)
In-Reply-To: <20200430115959.238073-5-satyat@google.com>
On Thu, Apr 30, 2020 at 11:59:51AM +0000, Satya Tangirala wrote:
> Whenever a device supports blk-integrity, make the kernel pretend that
> the device doesn't support inline encryption (essentially by setting the
> keyslot manager in the request queue to NULL).
>
> There's no hardware currently that supports both integrity and inline
> encryption. However, it seems possible that there will be such hardware
> in the near future (like the NVMe key per I/O support that might support
> both inline encryption and PI).
>
> But properly integrating both features is not trivial, and without
> real hardware that implements both, it is difficult to tell if it will
> be done correctly by the majority of hardware that support both.
> So it seems best not to support both features together right now, and
> to decide what to do at probe time.
>
> Signed-off-by: Satya Tangirala <satyat@google.com>
Looks good, you can add:
Reviewed-by: Eric Biggers <ebiggers@google.com>
- Eric
next prev parent reply other threads:[~2020-05-13 17:30 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-30 11:59 [PATCH v12 00/12] Inline Encryption Support Satya Tangirala
2020-04-30 11:59 ` [PATCH v12 01/12] Documentation: Document the blk-crypto framework Satya Tangirala
2020-05-13 16:47 ` Eric Biggers
2020-04-30 11:59 ` [PATCH v12 02/12] block: Keyslot Manager for Inline Encryption Satya Tangirala
2020-05-13 13:35 ` Christoph Hellwig
2020-05-13 16:59 ` Eric Biggers
2020-04-30 11:59 ` [PATCH v12 03/12] block: Inline encryption support for blk-mq Satya Tangirala
2020-05-13 13:36 ` Christoph Hellwig
2020-05-13 17:27 ` Eric Biggers
2020-04-30 11:59 ` [PATCH v12 04/12] block: Make blk-integrity preclude hardware inline encryption Satya Tangirala
2020-05-13 13:37 ` Christoph Hellwig
2020-05-13 17:30 ` Eric Biggers [this message]
2020-04-30 11:59 ` [PATCH v12 05/12] block: blk-crypto-fallback for Inline Encryption Satya Tangirala
2020-05-13 18:05 ` Eric Biggers
2020-04-30 11:59 ` [PATCH v12 06/12] scsi: ufs: UFS driver v2.1 spec crypto additions Satya Tangirala
2020-05-13 18:16 ` Eric Biggers
2020-04-30 11:59 ` [PATCH v12 07/12] scsi: ufs: UFS crypto API Satya Tangirala
2020-05-13 18:16 ` Eric Biggers
2020-04-30 11:59 ` [PATCH v12 08/12] scsi: ufs: Add inline encryption support to UFS Satya Tangirala
2020-05-13 18:19 ` Eric Biggers
2020-04-30 11:59 ` [PATCH v12 09/12] fs: introduce SB_INLINECRYPT Satya Tangirala
2020-04-30 11:59 ` [PATCH v12 10/12] fscrypt: add inline encryption support Satya Tangirala
2020-04-30 17:04 ` Eric Biggers
2020-04-30 11:59 ` [PATCH v12 11/12] f2fs: " Satya Tangirala
2020-04-30 11:59 ` [PATCH v12 12/12] ext4: " Satya Tangirala
2020-04-30 17:02 ` [PATCH v12 00/12] Inline Encryption Support Eric Biggers
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