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Date: Thu, 26 Feb 2026 17:34:34 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: Leon Romanovsky <leon@kernel.org>
Cc: Saeed Mahameed <saeedm@nvidia.com>, Tariq Toukan <tariqt@nvidia.com>,
 Mark Bloch <mbloch@nvidia.com>, Andrew Lunn <andrew+netdev@lunn.ch>, "David
 S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Paolo
 Abeni <pabeni@redhat.com>, Jason Gunthorpe <jgg@ziepe.ca>,
 linux-rdma@vger.kernel.org, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org, Maher Sanalla <msanalla@nvidia.com>
Subject: Re: [PATCH rdma-next 0/6] Add support for TLP emulation
Message-ID: <20260226173434.62c82688@kernel.org>
In-Reply-To: <20260225-var-tlp-v1-0-fe14a7ac7731@nvidia.com>
References: <20260225-var-tlp-v1-0-fe14a7ac7731@nvidia.com>
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On Wed, 25 Feb 2026 16:19:30 +0200 Leon Romanovsky wrote:
> This series adds support for Transaction Layer Packet (TLP) emulation
> response gateway regions, enabling userspace device emulation software
> to write TLP responses directly to lower layers without kernel driver
> involvement.
> 
> Currently, the mlx5 driver exposes VirtIO emulation access regions via
> the MLX5_IB_METHOD_VAR_OBJ_ALLOC ioctl. This series extends that
> ioctl to also support allocating TLP response gateway channels for
> PCI device emulation use cases.

Why is this an RDMA thing if it's a PCIe feature indented for VirtIO?