From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 46B613D34A4; Wed, 25 Feb 2026 14:48:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772030923; cv=none; b=IpSkL0goLs5MsfwQ+se2RH8q/LlkL/PySAq4yX0hEKRDqLtn0WUzu/0D2X/Z/hdjDeW1gEakyYZC1Do22CF3dyeijpb11WODVu8gh96xlkdMDUDRo+cLni9n48UvrnQd0RozlCbagNWW3pFNHQ2Yp3DObM3ZI7v/y17N0OeNjIQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772030923; c=relaxed/simple; bh=a48AnDXr2g5J8/duPgNtsMAvR0EueaiZVi6qlr1yaao=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YqL/GxNXMb/U1Y6O9RTTnsX7XrfDgRznWqId1M8k1jpmQkMdjkLs9zDYQOSY/EaZSWLI94MMoEnKdbOnBU4TIp+XjOQ6XFvKU+4C8P2OsDWMjm0tVzYKblYmrSFGE7P+l5y5scifAQfF71BKDPC0rmx9c65++tV7FU3GjcEC9bo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NjAH1Ynu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NjAH1Ynu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 499B7C2BCB1; Wed, 25 Feb 2026 14:48:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772030922; bh=a48AnDXr2g5J8/duPgNtsMAvR0EueaiZVi6qlr1yaao=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NjAH1YnufeImsvdf1D8D2EjhwD32nPYuLZvJFyWUSv6Co+KnHRH1sfWnggLN3E+nr YMR+hftNy2SDN32Jqpxaj7I9zV/+Ho/R6DwljtMp1tuNNtj5wQlRq6UjoAuB4M5gxE h4f7rvB5lNjQPMhiMGzap3v7cIr+NeR4eAxrl4jN9kaCzfSaubfL7IAppSk/+y6JdR ylE9jTvou4P/5yQfjWEYvf0dBJoSYcXwhUPI53vsIUEG7pgVEvOsgip+ZpELUkZoWL rxVisgDL4+v3jV6eSAZnnQK6+CLVVs52y5CBlRrjqtOCq0SpSxvC1OaZn9ZG6Abl5I JCDBliQrhGEhQ== Date: Wed, 25 Feb 2026 16:48:39 +0200 From: Leon Romanovsky To: Saeed Mahameed , Tariq Toukan , Mark Bloch , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jason Gunthorpe Cc: linux-rdma@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Maher Sanalla Subject: Re: [PATCH rdma-next 0/6] Add support for TLP emulation Message-ID: <20260225144839.GG9541@unreal> References: <20260225-var-tlp-v1-0-fe14a7ac7731@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260225-var-tlp-v1-0-fe14a7ac7731@nvidia.com> On Wed, Feb 25, 2026 at 04:19:30PM +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. > > Thanks > > Signed-off-by: Leon Romanovsky > --- > Maher Sanalla (6): > net/mlx5: Add TLP emulation device capabilities > net/mlx5: Expose TLP emulation capabilities > RDMA/mlx5: Refactor VAR table to use region abstraction > RDMA/mlx5: Add TLP VAR region support and infrastructure > RDMA/mlx5: Add support for TLP VAR allocation > RDMA/mlx5: Add VAR object query method for cross-process sharing There is no need in this last patch. There is a way to implement it purely in userspace. Thanks