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From: Leon Romanovsky <leon@kernel.org>
To: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-crypto@vger.kernel.org, alex.williamson@redhat.com,
	jgg@nvidia.com, mgurtovoy@nvidia.com, linuxarm@huawei.com,
	liulongfang@huawei.com, prime.zeng@hisilicon.com,
	yuzenghui@huawei.com, jonathan.cameron@huawei.com,
	wangzhou1@hisilicon.com
Subject: Re: [RFC v2 1/4] hisi-acc-vfio-pci: add new vfio_pci driver for HiSilicon ACC devices
Date: Sun, 4 Jul 2021 10:03:42 +0300	[thread overview]
Message-ID: <YOFdTnlkcDZzw4b/@unreal> (raw)
In-Reply-To: <20210702095849.1610-2-shameerali.kolothum.thodi@huawei.com>

On Fri, Jul 02, 2021 at 10:58:46AM +0100, Shameer Kolothum wrote:
> Add a vendor-specific vfio_pci driver for HiSilicon ACC devices.
> This will be extended in follow-up patches to add support for
> vfio live migration feature.
> 
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
> ---
>  drivers/vfio/pci/Kconfig             |   9 +++
>  drivers/vfio/pci/Makefile            |   2 +
>  drivers/vfio/pci/hisi_acc_vfio_pci.c | 100 +++++++++++++++++++++++++++
>  3 files changed, 111 insertions(+)
>  create mode 100644 drivers/vfio/pci/hisi_acc_vfio_pci.c

<...>

> +static const struct vfio_device_ops hisi_acc_vfio_pci_ops = {
> +	.name		= "hisi-acc-vfio-pci",
> +	.open		= hisi_acc_vfio_pci_open,
> +	.release	= vfio_pci_core_release,
> +	.ioctl		= vfio_pci_core_ioctl,
> +	.read		= vfio_pci_core_read,
> +	.write		= vfio_pci_core_write,
> +	.mmap		= vfio_pci_core_mmap,
> +	.request	= vfio_pci_core_request,
> +	.match		= vfio_pci_core_match,
> +	.reflck_attach	= vfio_pci_core_reflck_attach,

I don't remember what was proposed in vfio-pci-core conversion patches,
but would expect that default behaviour is to fallback to vfio_pci_core_* API
if ".release/.ioctl/e.t.c" are not redefined.

Thanks

  parent reply	other threads:[~2021-07-04  7:03 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-02  9:58 [RFC v2 0/4] vfio/hisilicon: add acc live migration driver Shameer Kolothum
2021-07-02  9:58 ` [RFC v2 1/4] hisi-acc-vfio-pci: add new vfio_pci driver for HiSilicon ACC devices Shameer Kolothum
2021-07-02 20:29   ` Alex Williamson
2021-07-05  7:20     ` Shameerali Kolothum Thodi
2021-07-04  7:03   ` Leon Romanovsky [this message]
2021-07-05  8:47     ` Shameerali Kolothum Thodi
2021-07-05  9:41       ` Max Gurtovoy
2021-07-05 10:18         ` Shameerali Kolothum Thodi
2021-07-05 18:27           ` Leon Romanovsky
2021-07-05 18:32             ` Jason Gunthorpe
2021-07-06  3:59               ` Leon Romanovsky
2021-07-06  4:39               ` Christoph Hellwig
2021-07-06 11:51                 ` Jason Gunthorpe
2021-07-02  9:58 ` [RFC v2 2/4] hisi_acc_vfio_pci: Override ioctl method to limit BAR2 region size Shameer Kolothum
2021-07-02 20:29   ` Alex Williamson
2021-07-05  7:22     ` Shameerali Kolothum Thodi
2021-07-02  9:58 ` [RFC v2 3/4] crypto: hisilicon/qm - Export mailbox functions for common use Shameer Kolothum
2021-07-04  9:34   ` Max Gurtovoy
2021-07-05 10:23     ` Shameerali Kolothum Thodi
2021-07-02  9:58 ` [RFC v2 4/4] hisi_acc_vfio_pci: Add support for vfio live migration Shameer Kolothum

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