linux-kernel - Re: [PATCH RFC v2 08/10] vdpa: add vdpa simulator for block device

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Date:   Sun, 31 Jan 2021 17:31:43 +0200
From:   Max Gurtovoy <mgurtovoy@...dia.com>
To:     Stefano Garzarella <sgarzare@...hat.com>,
        <virtualization@...ts.linux-foundation.org>
CC:     Xie Yongji <xieyongji@...edance.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Laurent Vivier <lvivier@...hat.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        <linux-kernel@...r.kernel.org>, Jason Wang <jasowang@...hat.com>,
        <kvm@...r.kernel.org>
Subject: Re: [PATCH RFC v2 08/10] vdpa: add vdpa simulator for block device


On 1/28/2021 4:41 PM, Stefano Garzarella wrote:
> From: Max Gurtovoy <mgurtovoy@...dia.com>
>
> This will allow running vDPA for virtio block protocol.
>
> Signed-off-by: Max Gurtovoy <mgurtovoy@...dia.com>
> [sgarzare: various cleanups/fixes]
> Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>
> ---
> v2:
> - rebased on top of other changes (dev_attr, get_config(), notify(), etc.)
> - memset to 0 the config structure in vdpasim_blk_get_config()
> - used vdpasim pointer in vdpasim_blk_get_config()
>
> v1:
> - Removed unused headers
> - Used cpu_to_vdpasim*() to store config fields
> - Replaced 'select VDPA_SIM' with 'depends on VDPA_SIM' since selected
>    option can not depend on other [Jason]
> - Start with a single queue for now [Jason]
> - Add comments to memory barriers
> ---
>   drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 145 +++++++++++++++++++++++++++
>   drivers/vdpa/Kconfig                 |   7 ++
>   drivers/vdpa/vdpa_sim/Makefile       |   1 +
>   3 files changed, 153 insertions(+)
>   create mode 100644 drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
>
> diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
> new file mode 100644
> index 000000000000..999f9ca0b628
> --- /dev/null
> +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
> @@ -0,0 +1,145 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * VDPA simulator for block device.
> + *
> + * Copyright (c) 2020, Mellanox Technologies. All rights reserved.

I guess we can change the copyright from Mellanox to:

Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.

Thanks.