From: Markus Armbruster <armbru@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Donald Dutile <ddutile@redhat.com>,
Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>,
Markus Armbruster <armbru@redhat.com>,
Shameer Kolothum via <qemu-devel@nongnu.org>,
"qemu-arm@nongnu.org" <qemu-arm@nongnu.org>,
"eric.auger@redhat.com" <eric.auger@redhat.com>,
"jgg@nvidia.com" <jgg@nvidia.com>,
"nicolinc@nvidia.com" <nicolinc@nvidia.com>,
"berrange@redhat.com" <berrange@redhat.com>,
"nathanc@nvidia.com" <nathanc@nvidia.com>,
"mochs@nvidia.com" <mochs@nvidia.com>,
"smostafa@google.com" <smostafa@google.com>,
Linuxarm <linuxarm@huawei.com>,
"Wangzhou (B)" <wangzhou1@hisilicon.com>,
jiangkunkun <jiangkunkun@huawei.com>,
Jonathan Cameron <jonathan.cameron@huawei.com>,
"zhangfei.gao@linaro.org" <zhangfei.gao@linaro.org>
Subject: Re: [PATCH v2 1/6] hw/arm/smmuv3: Add support to associate a PCIe RC
Date: Fri, 09 May 2025 09:57:47 +0200 [thread overview]
Message-ID: <87ldr68bd0.fsf@pond.sub.org> (raw)
In-Reply-To: <CAFEAcA9bZ6Rd4PSMG61mJ5Ja07j3--DQE7KqA8RZwxGH3N51sA@mail.gmail.com> (Peter Maydell's message of "Thu, 8 May 2025 14:57:32 +0100")
Peter Maydell <peter.maydell@linaro.org> writes:
> The problem here seems to me to be that in the hardware we're
> modelling the SMMU always exists, because it's in the SoC,
> but you're trying to arrange for it to be created on the
> command line, via -device.
>
> We don't have any of these problems with the current 'virt'
> board code, because we have the board code create the iommu
> (if the user asks for it via the iommu machine property),
> and it can wire it up to the PCI root complex as needed.
So what is the motivation for creating it with -device?
next prev parent reply other threads:[~2025-05-09 7:58 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-02 10:27 [PATCH v2 0/6] Add support for user creatable SMMUv3 device Shameer Kolothum via
2025-05-02 10:27 ` Shameer Kolothum via
2025-05-02 10:27 ` [PATCH v2 1/6] hw/arm/smmuv3: Add support to associate a PCIe RC Shameer Kolothum via
2025-05-02 10:27 ` Shameer Kolothum via
2025-05-02 17:22 ` Nicolin Chen
2025-05-06 8:14 ` Shameerali Kolothum Thodi via
2025-05-06 8:14 ` Shameerali Kolothum Thodi via
2025-05-02 18:16 ` Donald Dutile
2025-05-05 8:19 ` Eric Auger
2025-05-06 9:07 ` Shameerali Kolothum Thodi
2025-05-06 9:07 ` Shameerali Kolothum Thodi via
2025-05-06 9:35 ` Eric Auger
2025-05-06 8:42 ` Shameerali Kolothum Thodi via
2025-05-06 11:47 ` Markus Armbruster
2025-05-06 12:20 ` Shameerali Kolothum Thodi via
2025-05-06 20:48 ` Donald Dutile
2025-05-07 7:17 ` Markus Armbruster
2025-05-07 8:50 ` Shameerali Kolothum Thodi via
2025-05-07 8:50 ` Shameerali Kolothum Thodi via
2025-05-08 13:45 ` Donald Dutile
2025-05-08 13:57 ` Peter Maydell
2025-05-09 7:57 ` Markus Armbruster [this message]
2025-05-09 8:00 ` Shameerali Kolothum Thodi via
2025-05-09 8:00 ` Shameerali Kolothum Thodi via
2025-05-09 10:37 ` Peter Maydell
2025-05-09 10:46 ` Daniel P. Berrangé
2025-05-09 11:43 ` Peter Maydell
2025-05-22 7:39 ` Shameerali Kolothum Thodi via
2025-05-22 7:39 ` Shameerali Kolothum Thodi via
2025-05-16 20:53 ` Donald Dutile
2025-05-09 7:29 ` Shameerali Kolothum Thodi via
2025-05-09 7:29 ` Shameerali Kolothum Thodi via
2025-05-09 8:14 ` Daniel P. Berrangé
2025-05-09 8:18 ` Shameerali Kolothum Thodi via
2025-05-09 8:18 ` Shameerali Kolothum Thodi via
2025-05-09 8:44 ` Eric Auger
2025-05-02 10:27 ` [PATCH v2 2/6] hw/arm/virt-acpi-build: Update IORT for multiple smmuv3 devices Shameer Kolothum via
2025-05-02 10:27 ` Shameer Kolothum via
2025-05-02 17:13 ` Nicolin Chen
2025-05-02 18:18 ` Donald Dutile
2025-05-06 8:43 ` Shameerali Kolothum Thodi via
2025-05-06 8:00 ` Shameerali Kolothum Thodi via
2025-05-06 8:00 ` Shameerali Kolothum Thodi via
2025-05-05 8:39 ` Eric Auger
2025-05-06 9:12 ` Shameerali Kolothum Thodi via
2025-05-06 9:12 ` Shameerali Kolothum Thodi via
2025-05-02 10:27 ` [PATCH v2 3/6] hw/arm/virt: Factor out common SMMUV3 dt bindings code Shameer Kolothum via
2025-05-02 10:27 ` Shameer Kolothum via
2025-05-02 17:15 ` Nicolin Chen
2025-05-05 9:01 ` Eric Auger
2025-05-06 9:19 ` Shameerali Kolothum Thodi via
2025-05-06 9:19 ` Shameerali Kolothum Thodi via
2025-05-02 10:27 ` [PATCH v2 4/6] hw/arm/virt: Add an SMMU_IO_LEN macro Shameer Kolothum via
2025-05-02 10:27 ` Shameer Kolothum via
2025-05-02 18:20 ` Donald Dutile
2025-05-05 9:03 ` Eric Auger
2025-05-02 10:27 ` [PATCH v2 5/6] hw/arm/virt: Add support for smmuv3 device Shameer Kolothum via
2025-05-02 10:27 ` Shameer Kolothum via
2025-05-02 17:54 ` Nicolin Chen
2025-05-06 8:36 ` Shameerali Kolothum Thodi via
2025-05-05 10:12 ` Eric Auger
2025-05-06 9:29 ` Shameerali Kolothum Thodi via
2025-05-02 10:27 ` [PATCH v2 6/6] hw/arm/smmuv3: Enable smmuv3 device creation Shameer Kolothum via
2025-05-02 10:27 ` Shameer Kolothum via
2025-05-02 18:00 ` Nicolin Chen
2025-05-05 10:13 ` Eric Auger
2025-05-02 18:11 ` [PATCH v2 0/6] Add support for user creatable SMMUv3 device Donald Dutile
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=87ldr68bd0.fsf@pond.sub.org \
--to=armbru@redhat.com \
--cc=berrange@redhat.com \
--cc=ddutile@redhat.com \
--cc=eric.auger@redhat.com \
--cc=jgg@nvidia.com \
--cc=jiangkunkun@huawei.com \
--cc=jonathan.cameron@huawei.com \
--cc=linuxarm@huawei.com \
--cc=mochs@nvidia.com \
--cc=nathanc@nvidia.com \
--cc=nicolinc@nvidia.com \
--cc=peter.maydell@linaro.org \
--cc=qemu-arm@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=shameerali.kolothum.thodi@huawei.com \
--cc=smostafa@google.com \
--cc=wangzhou1@hisilicon.com \
--cc=zhangfei.gao@linaro.org \
/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.