Skip site navigation (1)Skip section navigation (2)


| raw e-mail | index | archive | help
--000000000000efd9f60619b343ea
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Can someone explain to me what the purpose of what you are talking about ?


On Thu, May 30, 2024 at 10:38=E2=80=AFPM Tomek CEDRO <tomek@cedro.info> wro=
te:

> Awesome!! Congrats :-)
>
> Here is some example of running NuttX RTOS on RV in a web browser using
> TinyEMU + VirtIO :-)
>
> https://github.com/lupyuen/nuttx-tinyemu
>
> --
> CeDeROM, SQ7MHZ, http://www.tomek.cedro.info
>
> On Thu, May 30, 2024, 22:16 Emil Tsalapatis <emil@etsalapatis.com> wrote:
>
>> Hi everyone,
>>
>>     while developing a virtiofs kernel driver I have written a debug
>> virtio transport to test virtio drivers inside a VM without requiring
>> nested virtualization or support from the host. The transport allows
>> paravirt devices to be emulated in local userspace instead of a host, so=
 we
>> can create paravirt devices and test them as necessary. For virtiofs in
>> particular, it allows us to reuse the existing FUSE tests since we can n=
ow
>> run both the virtiofs driver and the FUSE server (which is normally in t=
he
>> host) in a single machine.
>>
>> I have uploaded the WIP code [here <https://reviews.freebsd.org/D45370>]=
,
>> and an overview of the design [here
>> <https://gist.github.com/etsal/4280b6f16c1815d64ffda7ecce0b66f5>]. The
>> patch has a ways to go, and currently only supports virtio-blk device
>> emulation as a PoC, but feedback is welcome and appreciated. Please also
>> let me know if there is interest in using this for testing other virtio
>> devices apart from virtiofs.
>>
>> --Emil
>>
>

--=20
Mario.

--000000000000efd9f60619b343ea
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Can someone explain to me <span class=3D"gmail-HwtZe" lang=
=3D"en"><span class=3D"gmail-jCAhz gmail-JxVs2d gmail-ChMk0b"><span class=
=3D"gmail-ryNqvb">what the purpose of what you are talking about ?</span></=
span></span><span class=3D"gmail-ZSCsVd"></span><div class=3D"gmail-OvtS8d"=
><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"g=
mail_attr">On Thu, May 30, 2024 at 10:38=E2=80=AFPM Tomek CEDRO &lt;<a href=
=3D"mailto:tomek@cedro.info">tomek@cedro.info</a>&gt; wrote:<br></div><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:=
1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"auto"><div>Awesome=
!! Congrats :-)</div><div dir=3D"auto"><br></div><div dir=3D"auto">Here is =
some example of running NuttX RTOS on RV in a web browser using TinyEMU + V=
irtIO :-)</div><div dir=3D"auto"><br></div><div><a href=3D"https://github.c=
om/lupyuen/nuttx-tinyemu" target=3D"_blank">https://github.com/lupyuen/nutt=
x-tinyemu</a><br></div><div dir=3D"auto"><br></div><div>--<br>CeDeROM, SQ7M=
HZ, <a href=3D"http://www.tomek.cedro.info" target=3D"_blank">http://www.to=
mek.cedro.info</a></div></div><br><div class=3D"gmail_quote"><div dir=3D"lt=
r" class=3D"gmail_attr">On Thu, May 30, 2024, 22:16 Emil Tsalapatis &lt;<a =
href=3D"mailto:emil@etsalapatis.com" target=3D"_blank">emil@etsalapatis.com=
</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:=
0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">=
<div dir=3D"ltr">Hi everyone,<br><br>=C2=A0 =C2=A0 while developing a virti=
ofs kernel driver I have written a debug virtio transport to test virtio dr=
ivers inside a VM without requiring nested virtualization or support from=
=20
the host. The transport allows paravirt devices to be emulated in local=20
userspace instead of a host, so we can create paravirt devices and test=20
them as necessary. For virtiofs in particular, it allows us to reuse the
 existing FUSE tests since we can now run both the virtiofs driver and=20
the FUSE server (which is normally in the host) in a single machine.<br><di=
v><br></div><div>I have uploaded the WIP code [<a href=3D"https://reviews.f=
reebsd.org/D45370" rel=3D"noreferrer" target=3D"_blank">here</a>], and an o=
verview of the design [<a href=3D"https://gist.github.com/etsal/4280b6f16c1=
815d64ffda7ecce0b66f5" rel=3D"noreferrer" target=3D"_blank">here</a>].
 The patch has a ways to go, and currently only supports virtio-blk=20
device emulation as a PoC, but feedback is welcome and appreciated.=20
Please also let me know if there is interest in using this for testing=20
other virtio devices apart from virtiofs.</div><font color=3D"#888888"><br>=
--Emil</font></div>
</blockquote></div>
</blockquote></div><br clear=3D"all"><br><span class=3D"gmail_signature_pre=
fix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature">Mario.<br></d=
iv>

--000000000000efd9f60619b343ea--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?>