From: Jonathan Cameron <jonathan.cameron@huawei.com>
To: "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
Cc: <linux-coco@lists.linux.dev>, <kvmarm@lists.linux.dev>,
<linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<dan.j.williams@intel.com>, <aik@amd.com>, <lukas@wunner.de>,
Samuel Ortiz <sameo@rivosinc.com>,
Xu Yilun <yilun.xu@linux.intel.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Suzuki K Poulose <Suzuki.Poulose@arm.com>,
Steven Price <steven.price@arm.com>,
Bjorn Helgaas <helgaas@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>
Subject: Re: [PATCH v2 09/11] coco: guest: arm64: Wire Realm TDISP RUN/STOP transitions into guest driver
Date: Thu, 20 Nov 2025 17:55:40 +0000 [thread overview]
Message-ID: <20251120175540.00002cf6@huawei.com> (raw)
In-Reply-To: <20251117140007.122062-10-aneesh.kumar@kernel.org>
On Mon, 17 Nov 2025 19:30:05 +0530
"Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org> wrote:
> Teach the Arm CCA guest driver how to transition a Realm device between
> RUN and STOP states. The new helpers issue the RSI START/STOP calls,
> poll with CONTINUE until completion, and surface errors back to the TSM.
> The PCI TSM accept/unlock paths now invoke these helpers so writing `1`
> to `tsm/accept` correctly kicks off the TDISP RUN sequence and unlock
> tears it back down.
>
> Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
next prev parent reply other threads:[~2025-11-20 17:55 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-17 13:59 [PATCH v2 00/11] TSM: Implement ->lock()/->accept() callbacks for ARM CCA TDISP setup Aneesh Kumar K.V (Arm)
2025-11-17 13:59 ` [PATCH v2 01/11] coco: guest: arm64: Guest TSM callback and realm device lock support Aneesh Kumar K.V (Arm)
2025-11-19 15:22 ` Jonathan Cameron
2025-11-24 4:40 ` Aneesh Kumar K.V
2025-11-17 13:59 ` [PATCH v2 02/11] coco: guest: arm64: Add Realm Host Interface and guest DA helper Aneesh Kumar K.V (Arm)
2025-11-19 15:32 ` Jonathan Cameron
2025-11-24 5:07 ` Aneesh Kumar K.V
2025-11-17 13:59 ` [PATCH v2 03/11] coco: guest: arm64: Add support for guest initiated TDI bind/unbind Aneesh Kumar K.V (Arm)
2025-11-19 15:50 ` Jonathan Cameron
2026-01-08 15:32 ` Will Deacon
2025-11-17 14:00 ` [PATCH v2 04/11] coco: guest: arm64: Add support for updating interface reports from device Aneesh Kumar K.V (Arm)
2025-11-19 15:54 ` Jonathan Cameron
2025-11-24 5:42 ` Aneesh Kumar K.V
2025-11-17 14:00 ` [PATCH v2 05/11] coco: guest: arm64: Add support for updating measurements " Aneesh Kumar K.V (Arm)
2025-11-20 15:22 ` Jonathan Cameron
2025-11-24 6:18 ` Aneesh Kumar K.V
2025-11-17 14:00 ` [PATCH v2 06/11] coco: guest: arm64: Add support for reading cached objects from host Aneesh Kumar K.V (Arm)
2025-11-20 17:31 ` Jonathan Cameron
2025-11-24 6:52 ` Aneesh Kumar K.V
2025-11-17 14:00 ` [PATCH v2 07/11] coco: guest: arm64: Validate Realm MMIO mappings from TDISP report Aneesh Kumar K.V (Arm)
2025-11-20 17:43 ` Jonathan Cameron
2025-11-17 14:00 ` [PATCH v2 08/11] coco: guest: arm64: Add support for fetching and verifying device info Aneesh Kumar K.V (Arm)
2025-11-20 17:54 ` Jonathan Cameron
2025-11-24 8:28 ` Aneesh Kumar K.V
2025-11-17 14:00 ` [PATCH v2 09/11] coco: guest: arm64: Wire Realm TDISP RUN/STOP transitions into guest driver Aneesh Kumar K.V (Arm)
2025-11-20 17:55 ` Jonathan Cameron [this message]
2025-11-17 14:00 ` [PATCH v2 10/11] coco: arm64: dma: Update force_dma_unencrypted for accepted devices Aneesh Kumar K.V (Arm)
2025-11-20 17:58 ` Jonathan Cameron
2025-11-17 14:00 ` [PATCH v2 11/11] coco: guest: arm64: Enable vdev DMA after attestation Aneesh Kumar K.V (Arm)
2025-11-20 17:59 ` Jonathan Cameron
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20251120175540.00002cf6@huawei.com \
--to=jonathan.cameron@huawei.com \
--cc=Suzuki.Poulose@arm.com \
--cc=aik@amd.com \
--cc=aneesh.kumar@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=dan.j.williams@intel.com \
--cc=helgaas@kernel.org \
--cc=jgg@ziepe.ca \
--cc=kvmarm@lists.linux.dev \
--cc=linux-coco@lists.linux.dev \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=lukas@wunner.de \
--cc=maz@kernel.org \
--cc=oliver.upton@linux.dev \
--cc=sameo@rivosinc.com \
--cc=steven.price@arm.com \
--cc=will@kernel.org \
--cc=yilun.xu@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.