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: <ff5fc8f9-f886-bd2a-60cc-771c628c6c4b@redhat.com>
Date:   Thu, 11 Mar 2021 11:23:00 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Zhu Lingshan <lingshan.zhu@...el.com>, mst@...hat.com,
        lulu@...hat.com, leonro@...dia.com
Cc:     virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3 1/6] vDPA/ifcvf: get_vendor_id returns a device
 specific vendor id


On 2021/3/10 5:00 下午, Zhu Lingshan wrote:
> In this commit, ifcvf_get_vendor_id() will return
> a device specific vendor id of the probed pci device
> than a hard code.
>
> Signed-off-by: Zhu Lingshan <lingshan.zhu@...el.com>
> ---
>   drivers/vdpa/ifcvf/ifcvf_main.c | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
> index fa1af301cf55..e501ee07de17 100644
> --- a/drivers/vdpa/ifcvf/ifcvf_main.c
> +++ b/drivers/vdpa/ifcvf/ifcvf_main.c
> @@ -324,7 +324,10 @@ static u32 ifcvf_vdpa_get_device_id(struct vdpa_device *vdpa_dev)
>   
>   static u32 ifcvf_vdpa_get_vendor_id(struct vdpa_device *vdpa_dev)
>   {
> -	return IFCVF_SUBSYS_VENDOR_ID;
> +	struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev);
> +	struct pci_dev *pdev = adapter->pdev;
> +
> +	return pdev->subsystem_vendor;
>   }


While at this, I wonder if we can do something similar in 
get_device_id() if it could be simple deduced from some simple math from 
the pci device id?

Thanks


>   
>   static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ