From: Sumit Garg <sumit.garg@linaro.org>
To: Jens Wiklander <jens.wiklander@linaro.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
op-tee@lists.trustedfirmware.org,
Devicetree List <devicetree@vger.kernel.org>,
Linux Doc Mailing List <linux-doc@vger.kernel.org>,
Jerome Forissier <jerome@forissier.org>,
Etienne Carriere <etienne.carriere@linaro.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Ard Biesheuvel <ardb@kernel.org>, Marc Zyngier <maz@kernel.org>
Subject: Re: [PATCH v2 0/7] Asynchronous notifications from secure world
Date: Thu, 17 Jun 2021 10:03:14 +0530 [thread overview]
Message-ID: <CAFA6WYMrxNfR09doWQgYKCQSYKyUMVKqSTPuRYn=-nueY9pSvQ@mail.gmail.com> (raw)
In-Reply-To: <20210616103649.2662395-1-jens.wiklander@linaro.org>
Hi Jens,
On Wed, 16 Jun 2021 at 16:07, Jens Wiklander <jens.wiklander@linaro.org> wrote:
>
> Hi all,
>
> This adds support for asynchronous notifications from OP-TEE in secure
> world to the OP-TEE driver. This allows a design with a top half and bottom
> half type of driver where the top half runs in secure interrupt context and
> a notifications tells normal world to schedule a yielding call to do the
> bottom half processing.
>
> An interrupt is used to notify the driver that there are asynchronous
> notifications pending.
>
It looks like a nice feature. I would like to get hands on with this.
Can I test this feature on Qemu?
-Sumit
> v2:
> * Added documentation
> * Converted optee bindings to json-schema and added interrupt property
> * Configure notification interrupt from DT instead of getting it
> from secure world, suggested by Ard Biesheuvel <ardb@kernel.org>.
>
> Thanks,
> Jens
>
> Jens Wiklander (7):
> docs: staging/tee.rst: add a section on OP-TEE notifications
> dt-bindings: arm: Convert optee binding to json-schema
> dt-bindings: arm: optee: add interrupt property
> tee: fix put order in teedev_close_context()
> tee: add tee_dev_open_helper() primitive
> optee: separate notification functions
> optee: add asynchronous notifications
>
> .../bindings/arm/firmware/linaro,optee-tz.txt | 31 ---
> .../arm/firmware/linaro,optee-tz.yaml | 57 +++++
> Documentation/staging/tee.rst | 27 +++
> drivers/tee/optee/Makefile | 1 +
> drivers/tee/optee/call.c | 27 +++
> drivers/tee/optee/core.c | 87 +++++--
> drivers/tee/optee/notif.c | 226 ++++++++++++++++++
> drivers/tee/optee/optee_msg.h | 9 +
> drivers/tee/optee/optee_private.h | 23 +-
> drivers/tee/optee/optee_rpc_cmd.h | 31 +--
> drivers/tee/optee/optee_smc.h | 75 +++++-
> drivers/tee/optee/rpc.c | 73 +-----
> drivers/tee/tee_core.c | 37 ++-
> include/linux/tee_drv.h | 27 +++
> 14 files changed, 576 insertions(+), 155 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
> create mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> create mode 100644 drivers/tee/optee/notif.c
>
> --
> 2.31.1
>
next prev parent reply other threads:[~2021-06-17 4:33 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-16 10:36 [PATCH v2 0/7] Asynchronous notifications from secure world Jens Wiklander
2021-06-16 10:36 ` [PATCH v2 1/7] docs: staging/tee.rst: add a section on OP-TEE notifications Jens Wiklander
2021-06-16 10:36 ` [PATCH v2 2/7] dt-bindings: arm: Convert optee binding to json-schema Jens Wiklander
2021-06-16 16:03 ` Rob Herring
2021-06-16 16:05 ` Rob Herring
2021-06-22 8:38 ` Jens Wiklander
2021-06-16 10:36 ` [PATCH v2 3/7] dt-bindings: arm: optee: add interrupt property Jens Wiklander
2021-06-16 16:05 ` Rob Herring
2021-06-22 8:41 ` Jens Wiklander
2021-06-16 10:36 ` [PATCH v2 4/7] tee: fix put order in teedev_close_context() Jens Wiklander
2021-06-16 10:36 ` [PATCH v2 5/7] tee: add tee_dev_open_helper() primitive Jens Wiklander
2021-06-16 10:36 ` [PATCH v2 6/7] optee: separate notification functions Jens Wiklander
2021-06-16 10:36 ` [PATCH v2 7/7] optee: add asynchronous notifications Jens Wiklander
2021-06-16 14:08 ` Ard Biesheuvel
2021-06-17 4:33 ` Sumit Garg [this message]
2021-06-17 6:10 ` [PATCH v2 0/7] Asynchronous notifications from secure world Jens Wiklander
2021-07-06 7:25 ` Sumit Garg
2021-07-06 10:36 ` Marc Zyngier
2021-07-06 11:39 ` Sumit Garg
2021-07-06 12:46 ` Marc Zyngier
2021-07-07 5:52 ` Sumit Garg
2021-07-07 6:54 ` Jens Wiklander
2021-07-07 17:51 ` Sudeep Holla
2021-07-08 12:56 ` Sumit Garg
2021-07-09 8:05 Etienne CARRIERE
2021-07-13 11:11 ` Sudeep Holla
2021-07-20 6:45 ` Jens Wiklander
2021-07-20 7:50 ` Sudeep Holla
2021-07-20 9:59 ` Jens Wiklander
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