From: Simon Horman <horms@kernel.org>
To: longli@microsoft.com
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Shradha Gupta <shradhagupta@linux.microsoft.com>,
Konstantin Taranov <kotaranov@microsoft.com>,
Souradeep Chakrabarti <schakrabarti@linux.microsoft.com>,
Erick Archer <erick.archer@outlook.com>,
linux-hyperv@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org
Subject: Re: [Patch net-next v3] net: mana: Record doorbell physical address in PF mode
Date: Thu, 19 Jun 2025 14:36:38 +0100 [thread overview]
Message-ID: <20250619133638.GR1699@horms.kernel.org> (raw)
In-Reply-To: <1750210606-12167-1-git-send-email-longli@linuxonhyperv.com>
On Tue, Jun 17, 2025 at 06:36:46PM -0700, longli@linuxonhyperv.com wrote:
> From: Long Li <longli@microsoft.com>
>
> MANA supports RDMA in PF mode. The driver should record the doorbell
> physical address when in PF mode.
>
> The doorbell physical address is used by the RDMA driver to map
> doorbell pages of the device to user-mode applications through RDMA
> verbs interface. In the past, they have been mapped to user-mode while
> the device is in VF mode. With the support for PF mode implemented,
> also expose those pages in PF mode.
>
> Support for PF mode is implemented in
> 290e5d3c49f6 ("net: mana: Add support for Multi Vports on Bare metal")
>
> Signed-off-by: Long Li <longli@microsoft.com>
> ---
> Changes
> v2: add more details in commit message on how the doorbell physical address is used
> v3: add the early commit detail where the support for PF mode is implemented
Thanks for the updates.
I agree that this revision address Jakub's feedback on v2.
Which in turn addressed his feedback on v1.
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2025-06-19 13:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-18 1:36 [Patch net-next v3] net: mana: Record doorbell physical address in PF mode longli
2025-06-19 13:36 ` Simon Horman [this message]
2025-06-19 23:20 ` patchwork-bot+netdevbpf
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