From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 3372E320CAD for ; Tue, 9 Jun 2026 23:24:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781047495; cv=none; b=ihYcFjkNQ3PZ5bbrRCJhG7On9Di6Pal2+GCA2o13TNr5B4I3WGNnPRW4QRua/nySaWe+gRjRdAbSmpBXZDCuBvQfXRR7DlmcDGYv+P025qPYl0cxsiNPZ8PEGyQM2MtxpTlGjipWCBjSM4hgKup+/r+RKzkzOiWptPtCB3G3W7E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781047495; c=relaxed/simple; bh=Ss8CuDUnbvm/KoC0IWoRrDApujyz+XdCUVhtiU6mCd8=; h=Date:From:To:Cc:Message-ID:In-Reply-To:References:Subject: Mime-Version:Content-Type; b=FUKeDtUT3uWaYfDFPZtcgQ632iCzq547SBofIUnM+uel4h3rigdszBOPB76HGZ4J3isp7Gu8V/8C/vAT4QkpeSq1YBhFASyGhPGrYOvYpmQuvZdX4ZPEhkd/1nmk7sdVa1l2cbK6S+ByQfbeBLEfmOUCe3u6lWB7dJlqxd+VbqY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=G0UDZVhX; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="G0UDZVhX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 882371F00898; Tue, 9 Jun 2026 23:24:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781047494; bh=1xm4xzIJK6tPlNijeCKJBsNhudwiwx2S3gwnzBS1160=; h=Date:From:To:Cc:In-Reply-To:References:Subject; b=G0UDZVhXu9JMtD9KlEF6X/aAKL6cb2KBTnHYMuKJDqFhiyzLFUa4JRuv4yyqDmp2j bQH4v6KeiWlwRQg/W6eRrvSRT4fe89PAUe52FfiPlW9KdivcRNq90fzIEa4/d/u7Vu uMVrK68HVVR9u7jsidCGJwNfLk75BUvTQUHdyRK9BB4Z6cOv2TgvzpvLz0i/qumeAb BdHkkO1dYaN8PEPIw3v8otWyE86suQ9YgYTJRC+BB1Sq45Tb0MIpTHBqIuoBPYwKzi TlsHYhGQHEGDvnLLIK/hFaFg6qKgCNOgQHZ/eC0+++hj8/hdi8H6gRtLarXyPuKCeD YVjygK4HN3lww== Received: from phl-compute-01.internal (phl-compute-01.internal [10.202.2.41]) by mailfauth.phl.internal (Postfix) with ESMTP id BF38BF4007D; Tue, 9 Jun 2026 19:24:52 -0400 (EDT) Received: from phl-frontend-03 ([10.202.2.162]) by phl-compute-01.internal (MEProxy); Tue, 09 Jun 2026 19:24:52 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: dmFkZTGyuSDSzmUK7Bvry6ZZ3+g03myhtlP9WTQ6TpMUmV+SJbGaVFEffdrmNdpuDVWCIL jHrAIeCLo5G09VXhX0rFqYZ9cV5I8NkLEtJcFjOqTxhPYRepDLkCGnBnpdAdjU+b7KHH/0 AJXB857VJZWo7RNEJVtV/bOudf2ZAN+Uja6UN8yN3yLdWEhO68yPRoF+vtJu332GM2q0Zo s0HaU+NKZs6r60mqj082ZPrFQFD8s7BtudYIr+AabmVWgffgdjA8T7nyxyXzMG8dXcos5h sAg8JpGXN+0Got2tT/LBiMI3j2kDJ5hPcf5FsdhMqG04MqZAPvFU7n9/L1uKQfJ5s8czH+ mibFc+LgINgcpj3KQPu6mNizf6pjNJd2Mo0V3tqrsvrS2RZR092lrARogzZ669K/1hlE+7 BEms8KXn1DvXyzbnqKEEo/pZZ/KgZQYn0vejjKsUEy9XLNeJJUmDvs63zaQ6MpP+lhVB2b KU85YIq04FS44VDCaoeiRNGXVr6fMR6dh98fR/Q/DUDCmcQ2D+O3LXOCa+DbII0ykFXA0m Rlb4gE59gY8OofpzAkMRvOGnwGIvvCdbrAEr8pNMekEdAwGIKZZ0f941aX0Gey9ewhu4Oy m2G741RazfNcVGvt7mfmdilxl66nljdX9Y2/ZQByJKwGy8vUvvgk6W9R2MUQ X-ME-Proxy: Feedback-ID: i67ae4b3e:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 9 Jun 2026 19:24:52 -0400 (EDT) Date: Tue, 09 Jun 2026 16:24:51 -0700 From: "Dan Williams (nvidia)" To: alejandro.lucero-palau@amd.com, linux-cxl@vger.kernel.org, netdev@vger.kernel.org, djbw@kernel.org, edward.cree@amd.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, dave.jiang@intel.com Cc: Alejandro Lucero , Dan Williams , Ben Cheatham , Jonathan Cameron Message-ID: <6a28a0c349c9b_4fa7810099@djbw-dev.notmuch> In-Reply-To: <20260609215755.8685-4-alejandro.lucero-palau@amd.com> References: <20260609215755.8685-1-alejandro.lucero-palau@amd.com> <20260609215755.8685-4-alejandro.lucero-palau@amd.com> Subject: Re: [PATCH v27 3/5] cxl/sfc: Initialize dpa without a mailbox Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit alejandro.lucero-palau@ wrote: > From: Alejandro Lucero > > Type3 relies on mailbox CXL_MBOX_OP_IDENTIFY command for initializing > memdev state params which end up being used for DPA initialization. > > Allow a Type2 driver to initialize DPA simply by giving the size of its > volatile hardware partition. > > Move related functions to memdev. The code movement is not strictly necessary. Just add cxl_set_capacity() and we can consider a move later if mbox.o and memdev.o are ever not both included in cxl_core.o by default. > Add sfc driver as the client. > > Signed-off-by: Alejandro Lucero > Reviewed-by: Dan Williams > Reviewed-by: Dave Jiang > Reviewed-by: Ben Cheatham > Reviewed-by: Jonathan Cameron [..] > +/** > + * cxl_set_capacity: initialize dpa by a driver without a mailbox. > + * > ++ * @cxlds: pointer to cxl_dev_state Stray "+"?