This patch set was sent in error (duplicates and bad version names). Please
ignore it.

Sorry for the inconvenience,
Shengtan Mao

On Mon, Aug 2, 2021 at 7:03 PM Shengtan Mao <st...@google.com> wrote:

> This patch implements the remote I2C device.
> The remote I2C device allows an external I2C device to communicate with
> the I2C controller in QEMU through the remote I2C protocol.
> Users no longer have to directly modify QEMU to add new I2C devices and
> can instead implement the emulated device externally and connect it to the
> remote I2C device.
>
> Previous work by Wolfram Sang (
> https://git.kernel.org/pub/scm/virt/qemu/wsa/qemu.git/commit/?h=i2c-passthrough)
> was referenced.
> It shares the similar idea of redirecting the actual I2C device
> functionalities, but Sang focuses on physical devices, and we focus on
> emulated devices.
> The work by Sang mainly utilizes file descriptors while ours utilizes
> character devices, which offers better support for emulated devices.
> The work by Sang is not meant to offer full I2C device support; it only
> implements the receive functionality.
> Our work implements full support for I2C devices: send, recv, and event
> (match_and_add is not applicable for external devices).
>
> Shengtan Mao (1):
>   hw/i2c: add remote I2C device
>
>  hw/arm/Kconfig                |   1 +
>  hw/i2c/Kconfig                |   4 +
>  hw/i2c/meson.build            |   1 +
>  hw/i2c/remote-i2c.c           | 117 ++++++++++++++++++
>  tests/qtest/meson.build       |   1 +
>  tests/qtest/remote-i2c-test.c | 216 ++++++++++++++++++++++++++++++++++
>  6 files changed, 340 insertions(+)
>  create mode 100644 hw/i2c/remote-i2c.c
>  create mode 100644 tests/qtest/remote-i2c-test.c
>
> --
> 2.32.0.554.ge1b32706d8-goog
>
>

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