From: Jorge Ramirez via U-Boot <u-boot@lists.u-boot-project.org>
To: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Jorge Ramirez-Ortiz <jorge.ramirez@oss.qualcomm.com>,
trini@konsulko.com, jens.wiklander@linaro.org,
ilias.apalodimas@linaro.org, bhupesh.linux@gmail.com,
n-francis@ti.com, marek.vasut+renesas@mailbox.org,
shawn.lin@rock-chips.com, igor.belwon@mentallysanemainliners.org,
yoshihiro.shimoda.uh@renesas.com, alchark@gmail.com,
tuyen.dang.xa@renesas.com, padmarao.begari@amd.com,
macpaul.lin@mediatek.com, jstephan@baylibre.com, bb@ti.com,
j-mcarthur@ti.com, venkyada@qti.qualcomm.com,
hayashi.kunihiko@socionext.com, dlechner@baylibre.com,
u-boot@lists.denx.de
Subject: Re: [PATCH v2 3/5] ufs: derive the per-region RPMB CID and size for OP-TEE
Date: Wed, 22 Jul 2026 11:47:53 +0200 [thread overview]
Message-ID: <amCRyXy9Us8VZK-2@trex> (raw)
In-Reply-To: <32a5043d-d44d-434f-b512-e869b81d10c1@linaro.org>
On 22/07/26 10:33:29, neil.armstrong@linaro.org wrote:
> Hi,
>
> On 7/22/26 08:07, Jorge Ramirez-Ortiz wrote:
> > Read the UFS device, unit and geometry descriptors to report each RPMB
> > region's size and reliable-write count, and build a 16-byte CID by
> > BLAKE2b-hashing the same device-id string the Linux kernel derives
> > (ufshcd_create_device_id() plus a "-R<region>" suffix), so OP-TEE derives
> > an RPMB key that matches Linux. Exposed via ufs_rpmb_get_region_info().
> >
> > Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez@oss.qualcomm.com>
> > ---
> > drivers/ufs/ufs-rpmb.c | 141 +++++++++++++++++++++++++++++++++++++++
> > drivers/ufs/ufs-uclass.c | 4 +-
> > drivers/ufs/ufs.h | 2 +
> > include/ufs.h | 6 ++
> > 4 files changed, 151 insertions(+), 2 deletions(-)
> >
>
> <snip>
>
> > diff --git a/drivers/ufs/ufs-uclass.c b/drivers/ufs/ufs-uclass.c
> > index e320a6dcfbc..3a0bcd287ea 100644
> > --- a/drivers/ufs/ufs-uclass.c
> > +++ b/drivers/ufs/ufs-uclass.c
> > @@ -1801,8 +1801,8 @@ out:
> > return err;
> > }
> > -static int ufs_get_device_desc(struct ufs_hba *hba,
> > - struct ufs_dev_desc *dev_desc)
> > +int ufs_get_device_desc(struct ufs_hba *hba,
> > + struct ufs_dev_desc *dev_desc)
>
> I still don't find where ufs_get_device_desc() is used.
you right, missed it. will fix in v3
next prev parent reply other threads:[~2026-07-22 9:48 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-22 6:07 [PATCH v2 0/5] ufs: rpmb: route OP-TEE RPMB secure storage over UFS Jorge Ramirez-Ortiz via U-Boot
2026-07-22 6:07 ` [PATCH v2 1/5] ufs: decode string descriptors as UTF-16 big-endian Jorge Ramirez-Ortiz via U-Boot
2026-07-22 6:07 ` [PATCH v2 2/5] ufs: add RPMB transport over SCSI SECURITY PROTOCOL Jorge Ramirez-Ortiz via U-Boot
2026-07-22 6:07 ` [PATCH v2 3/5] ufs: derive the per-region RPMB CID and size for OP-TEE Jorge Ramirez-Ortiz via U-Boot
2026-07-22 8:33 ` Neil Armstrong (Linaro) via U-Boot
2026-07-22 9:47 ` Jorge Ramirez via U-Boot [this message]
2026-07-22 6:07 ` [PATCH v2 4/5] optee: rename rpmb.c to rpmb_legacy.c Jorge Ramirez-Ortiz via U-Boot
2026-07-22 8:27 ` Neil Armstrong (Linaro) via U-Boot
2026-07-22 9:46 ` Jorge Ramirez via U-Boot
2026-07-22 12:23 ` Jorge Ramirez via U-Boot
2026-07-22 12:33 ` Peter Robinson via U-Boot
2026-07-22 13:10 ` Neil Armstrong via U-Boot
2026-07-22 14:35 ` Jorge Ramirez via U-Boot
2026-07-23 8:48 ` Neil Armstrong
2026-07-22 6:07 ` [PATCH v2 5/5] optee: implement the RPMB subsystem interface for UFS Jorge Ramirez-Ortiz via U-Boot
2026-07-22 8:31 ` Neil Armstrong (Linaro) via U-Boot
2026-07-22 14:12 ` Jorge Ramirez via U-Boot
2026-07-22 15:43 ` Neil Armstrong via U-Boot
2026-07-22 18:12 ` Jorge Ramirez via U-Boot
2026-07-22 18:44 ` Jorge Ramirez via U-Boot
2026-07-23 7:33 ` Neil Armstrong
2026-07-23 8:01 ` Jorge Ramirez via U-Boot
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