On Tue, Jul 07, 2020 at 11:06:14PM +0530, Alim Akhtar wrote: > Hi Satya, > > > -----Original Message----- > > From: Satya Tangirala <satyat@xxxxxxxxxx> > > Sent: 07 July 2020 01:34 > > To: linux-scsi@xxxxxxxxxxxxxxx; Avri Altman <avri.altman@xxxxxxx>; Alim > > Akhtar <alim.akhtar@xxxxxxxxxxx> > > Cc: Barani Muthukumaran <bmuthuku@xxxxxxxxxxxxxxxx>; Kuohong Wang > > <kuohong.wang@xxxxxxxxxxxx>; Kim Boojin <boojin.kim@xxxxxxxxxxx>; > > Satya Tangirala <satyat@xxxxxxxxxx> > > Subject: [PATCH v4 0/3] Inline Encryption Support for UFS > > > > This patch series adds support for inline encryption to UFS using the inline > > encryption support in the block layer. It follows the JEDEC UFSHCI v2.1 > > specification, which defines inline encryption for UFS. > > > > This patch series previously went through a number of iterations as part of the > > "Inline Encryption Support" patchset (last version was v13: > > https://lkml.kernel.org/r/20200514003727.69001-1-satyat@xxxxxxxxxx). > > This patch series is rebased on v5.8-rc4. > > > > Patch 1 introduces the crypto registers and struct definitions defined in the > > UFSHCI v2.1 spec. > > > > Patch 2 introduces functions to manipulate the UFS inline encryption hardware > > (again in line with the UFSHCI v2.1 spec) via the block layer keyslot manager. > > Device specific drivers must set the UFSHCD_CAP_CRYPTO in hba->caps before > > ufshcd_hba_init_crypto is called to opt-in to inline encryption support. > > > > Patch 3 wires up ufshcd.c with the UFS crypto API introduced in Patch 2. > > > > This patch series has been tested on some Qualcomm chipsets (on the db845c, > > sm8150-mtp and sm8250-mtp) using some additional patches at > > https://lkml.kernel.org/linux-scsi/20200501045111.665881-1- > > ebiggers@xxxxxxxxxx/ > > and on some Mediatek chipsets using the additional patch in > > https://lkml.kernel.org/linux-scsi/20200304022101.14165-1- > > stanley.chu@xxxxxxxxxxxx/. > > These additional patches are required because these chipsets need certain > > additional behaviour not specified within the UFSHCI v2.1 spec. > > > > Thanks a lot to all the folks who tested this out! > > > > Changes v3 => v4: > > - fix incorrect patch folding > > - some cleanups from Eric > > > > Changes v2 => v3: > > - introduce ufshcd_prepare_req_desc_hdr_crypto to clean up code slightly > > - split up ufshcd_hba_init_crypto into ufshcd_hba_init_crypto_capabilities > > and ufshcd_init_crypto. The first function is called from > > ufshcd_hba_capabilities, and only reads crypto capabilities from device > > registers and sets up appropriate crypto structures. The second function > > is called from ufshcd_init, and actually initializes the inline crypto > > hardware. > > > > Changes v1 => v2 > > - handle OCS_DEVICE_FATAL_ERROR explicitly in ufshcd_transfer_rsp_status > > > > Satya Tangirala (3): > > scsi: ufs: UFS driver v2.1 spec crypto additions > > scsi: ufs: UFS crypto API > > scsi: ufs: Add inline encryption support to UFS > > > > drivers/scsi/ufs/Kconfig | 9 ++ > > drivers/scsi/ufs/Makefile | 1 + > > drivers/scsi/ufs/ufshcd-crypto.c | 238 +++++++++++++++++++++++++++++++ > > drivers/scsi/ufs/ufshcd-crypto.h | 77 ++++++++++ > > drivers/scsi/ufs/ufshcd.c | 49 ++++++- > > drivers/scsi/ufs/ufshcd.h | 24 ++++ > > drivers/scsi/ufs/ufshci.h | 67 ++++++++- > > 7 files changed, 456 insertions(+), 9 deletions(-) create mode 100644 > > drivers/scsi/ufs/ufshcd-crypto.c create mode 100644 drivers/scsi/ufs/ufshcd- > > crypto.h > > > Looks Good to me. > I don’t have a platform to test this series though. > It will be good to get a Tested-by tags for this series. > > Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> > There's information about testing in the cover letter and commit messages already. But feel free to also add my Tested-by to all three patches: Tested-by: Eric Biggers <ebiggers@xxxxxxxxxx> # db845c - Eric
