linux-kernel - RE: [RFC PATCH v1 2/2] ufs: core: Add advanced RPMB support in ufs

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Date:   Tue, 8 Nov 2022 21:17:28 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Avri Altman <Avri.Altman@....com>, Bean Huo <beanhuo@...pp.de>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "bvanassche@....org" <bvanassche@....org>,
        "tomas.winkler@...el.com" <tomas.winkler@...el.com>,
        "daejun7.park@...sung.com" <daejun7.park@...sung.com>,
        "quic_cang@...cinc.com" <quic_cang@...cinc.com>,
        "quic_nguyenb@...cinc.com" <quic_nguyenb@...cinc.com>,
        "quic_xiaosenh@...cinc.com" <quic_xiaosenh@...cinc.com>,
        "quic_richardp@...cinc.com" <quic_richardp@...cinc.com>,
        "quic_asutoshd@...cinc.com" <quic_asutoshd@...cinc.com>,
        "hare@...e.de" <hare@...e.de>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [RFC PATCH v1 2/2] ufs: core: Add advanced RPMB support in
 ufs_bsg

> > no, I didn't wrap RPMB packet in query-request/response, it is
> > inupiu_req and upiu_rsp, it is upiu command.
> I was thinking you are using a query request upiu because you are using
> device management commands flow, And specifically, I didn't see where you
> are setting ucd_req_ptr->sc.cdb, Which should hold the security protocol
> cdb.
Ahha, ok.  I see this now - you are just copying the prepared req_upiu as a whole.
And I guess that this req_upiu indeed contains the security protocol cdb, etc.
Ok then.  So please ignore all the above.  let me review this patch from scratch.

Thanks,
Avri