RE: [PATCH] hw/xen: set pci Atomic Ops requests for passthrough device

[Ji, Ruili]

[AMD Official Use Only - General]

Hi Paul and AFAIK:

Thanks for your help.
When could we see this patch on the master branch? 😊
Our project urgently needs this solution.

Thanks!
Ruili

-----Original Message-----
From: Paul Durrant
Subject: RE: [PATCH] hw/xen: set pci Atomic Ops requests for passthrough device
On 14/09/2022 03:07, Ji, Ruili wrote:
[AMD Official Use Only - General]

Hi Paul,

Thank you!
But how could we merge this patch ?


AFAIK Anthony (anthony.perard@citrix.com) still deals with this.

Cheers,

  Paul

-----Original Message-----
From: Ji, Ruili
Sent: 2022年9月14日 18:08
To: Paul Durrant <xadimgnik@gmail.com>; qemu-devel@nongnu.org
Cc: Liu, Aaron <Aaron.Liu@amd.com>; xen-devel@lists.xenproject.org
Subject: RE: [PATCH] hw/xen: set pci Atomic Ops requests for passthrough device

Hi Paul,

Thank you!
But how could we merge this patch ?

Ruili
-----Original Message-----
From: Paul Durrant <xadimgnik@gmail.com>
Sent: 2022年9月14日 17:08
To: Ji, Ruili <Ruili.Ji@amd.com>; qemu-devel@nongnu.org
Cc: Liu, Aaron <Aaron.Liu@amd.com>; xen-devel@lists.xenproject.org
Subject: Re: [PATCH] hw/xen: set pci Atomic Ops requests for passthrough device

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On 13/09/2022 04:02, Ji, Ruili wrote:
> [AMD Official Use Only - General]
>
>
> Hi Paul,
>
> Could you help to review this patch?
>

LGTM. You can add my R-b to it.

   Paul

> Thanks
>
> *From:* Ji, Ruili
> *Sent:* 2022年9月7日 9:04
> *To:* 'Paul Durrant' <paul@xen.org>; 'qemu-devel@nongnu.org'
> <qemu-devel@nongnu.org>
> *Cc:* Liu, Aaron <Aaron.Liu@amd.com>; 'xen-devel@lists.xenproject.org'
> <xen-devel@lists.xenproject.org>
> *Subject:* RE: [PATCH] hw/xen: set pci Atomic Ops requests for
> passthrough device
>
> FYI
>
> *From:* Ji, Ruili
> *Sent:* 2022年9月6日 15:40
> *To:* qemu-devel@nongnu.org <mailto:qemu-devel@nongnu.org>
> *Cc:* Liu, Aaron <Aaron.Liu@amd.com <mailto:Aaron.Liu@amd.com>>
> *Subject:* [PATCH] hw/xen: set pci Atomic Ops requests for passthrough
> device
>
>  From c54e0714a1e1cac7dc416bd843b9ec7162bcfc47 Mon Sep 17 00:00:00
> 2001
>
> From: Ruili Ji ruili.ji@amd.com <mailto:ruili.ji@amd.com>
>
> Date: Tue, 6 Sep 2022 14:09:41 +0800
>
> Subject: [PATCH] hw/xen: set pci Atomic Ops requests for passthrough
> device
>
> Make guest os access pci device control 2 reg for passthrough device
>
> as struct XenPTRegInfo described in the file hw/xen/xen_pt.h.
>
> /* reg read only field mask (ON:RO/ROS, OFF:other) */
>
> uint32_t ro_mask;
>
> /* reg emulate field mask (ON:emu, OFF:passthrough) */
>
> uint32_t emu_mask;
>
> Resolves:
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitl
> ab.com%2Fqemu-project%2Fqemu%2F-%2Fissues%2F1196&amp;data=05%7C01%7CRu
> ili.Ji%40amd.com%7Ca5e2c22a81544feb6bb408da96309702%7C3dd8961fe4884e60
> 8e11a82d994e183d%7C0%7C0%7C637987432689748212%7CUnknown%7CTWFpbGZsb3d8
> eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3
> 000%7C%7C%7C&amp;sdata=Jg8588FWkIZzmSEyt50TYCbck2NuoVJdm7ZP0Z%2FtFGc%3
> D&amp;reserved=0
> <https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit
> lab.com%2Fqemu-project%2Fqemu%2F-%2Fissues%2F1196&amp;data=05%7C01%7CR
> uili.Ji%40amd.com%7Ca5e2c22a81544feb6bb408da96309702%7C3dd8961fe4884e6
> 08e11a82d994e183d%7C0%7C0%7C637987432689748212%7CUnknown%7CTWFpbGZsb3d
> 8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C
> 3000%7C%7C%7C&amp;sdata=Jg8588FWkIZzmSEyt50TYCbck2NuoVJdm7ZP0Z%2FtFGc%
> 3D&amp;reserved=0>
>
> Signed-off-by: Aaron.Liu@amd.com <mailto:Aaron.Liu@amd.com>
>
> Signed-off-by: ruili.ji@amd.com <mailto:ruili.ji@amd.com>
>
> ---
>
> hw/xen/xen_pt_config_init.c | 4 ++--
>
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c
>
> index c5c4e943a8..adc565a00a 100644
>
> --- a/hw/xen/xen_pt_config_init.c
>
> +++ b/hw/xen/xen_pt_config_init.c
>
> @@ -985,8 +985,8 @@ static XenPTRegInfo xen_pt_emu_reg_pcie[] = {
>
>           .offset     = 0x28,
>
>           .size       = 2,
>
>           .init_val   = 0x0000,
>
> -        .ro_mask    = 0xFFE0,
>
> -        .emu_mask   = 0xFFFF,
>
> +        .ro_mask    = 0xFFA0,
>
> +        .emu_mask   = 0xFFBF,
>
>           .init       = xen_pt_devctrl2_reg_init,
>
>           .u.w.read   = xen_pt_word_reg_read,
>
>           .u.w.write  = xen_pt_word_reg_write,
>
> --
>
> 2.34.1
>