netdev - Re: [PATCH v6 1/4] vdpa: Add suspend operation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAJaqyWcHoB6edp3Qq8Df75Si_6aBDN=qp9ggB2D5hsshCxOdjQ@mail.gmail.com>
Date:   Fri, 8 Jul 2022 13:28:27 +0200
From:   Eugenio Perez Martin <eperezma@...hat.com>
To:     Stefano Garzarella <sgarzare@...hat.com>
Cc:     netdev <netdev@...r.kernel.org>, Jason Wang <jasowang@...hat.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        virtualization <virtualization@...ts.linux-foundation.org>,
        kvm list <kvm@...r.kernel.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Parav Pandit <parav@...dia.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Cindy Lu <lulu@...hat.com>,
        "Kamde, Tanuj" <tanuj.kamde@....com>,
        Si-Wei Liu <si-wei.liu@...cle.com>,
        "Uminski, Piotr" <Piotr.Uminski@...el.com>,
        habetsm.xilinx@...il.com, "Dawar, Gautam" <gautam.dawar@....com>,
        Pablo Cascon Katchadourian <pabloc@...inx.com>,
        Zhu Lingshan <lingshan.zhu@...el.com>,
        Laurent Vivier <lvivier@...hat.com>,
        Longpeng <longpeng2@...wei.com>,
        Dinan Gunawardena <dinang@...inx.com>,
        Martin Petrus Hubertus Habets <martinh@...inx.com>,
        Martin Porter <martinpo@...inx.com>,
        Eli Cohen <elic@...dia.com>, ecree.xilinx@...il.com,
        Wu Zongyong <wuzongyong@...ux.alibaba.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Harpreet Singh Anand <hanand@...inx.com>,
        Xie Yongji <xieyongji@...edance.com>,
        Zhang Min <zhang.min9@....com.cn>
Subject: Re: [PATCH v6 1/4] vdpa: Add suspend operation

On Tue, Jun 28, 2022 at 3:40 PM Stefano Garzarella <sgarzare@...hat.com> wrote:
>
> On Thu, Jun 23, 2022 at 06:07:35PM +0200, Eugenio Pérez wrote:
> >This operation is optional: It it's not implemented, backend feature bit
> >will not be exposed.
> >
> >Signed-off-by: Eugenio Pérez <eperezma@...hat.com>
> >---
> > include/linux/vdpa.h | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> >diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
> >index 7b4a13d3bd91..d282f464d2f1 100644
> >--- a/include/linux/vdpa.h
> >+++ b/include/linux/vdpa.h
> >@@ -218,6 +218,9 @@ struct vdpa_map_file {
> >  * @reset:                    Reset device
> >  *                            @vdev: vdpa device
> >  *                            Returns integer: success (0) or error (< 0)
> >+ * @suspend:                  Suspend or resume the device (optional)
>                                             ^
> IIUC we removed the resume operation (that should be done with reset),
> so should we update this documentation?
>

Totally, I forgot to update the doc. I'll send a new version with that.

Thanks!


> Thanks,
> Stefano
>
> >+ *                            @vdev: vdpa device
> >+ *                            Returns integer: success (0) or error (< 0)
> >  * @get_config_size:          Get the size of the configuration space includes
> >  *                            fields that are conditional on feature bits.
> >  *                            @vdev: vdpa device
> >@@ -319,6 +322,7 @@ struct vdpa_config_ops {
> >       u8 (*get_status)(struct vdpa_device *vdev);
> >       void (*set_status)(struct vdpa_device *vdev, u8 status);
> >       int (*reset)(struct vdpa_device *vdev);
> >+      int (*suspend)(struct vdpa_device *vdev);
> >       size_t (*get_config_size)(struct vdpa_device *vdev);
> >       void (*get_config)(struct vdpa_device *vdev, unsigned int offset,
> >                          void *buf, unsigned int len);
> >--
> >2.31.1
> >
>