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 D2B0019D8B5; Thu, 6 Jun 2024 08:50:38 +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=1717663839; cv=none; b=DTxJ7vVF+m9Dm8dSSmbJdwE6sZa8Qm81H7DEPkRK3AfeWR4whUrHVS2PKAlZlDiQD2prPev5586iIKs6beea8xMeLWPIHH6lHGta2NGkpwm0NG3DcxjB1I3b0sR5EonGhpnHQN/q1W/zqmtGSqZXnmhw0s3v3biKm1F6jqgHRq0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717663839; c=relaxed/simple; bh=lOpeMaqXRioNWzloS7xPP8YoU3oVFhf2Rg3MbuLI+7Y=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KlaDYF1EkQEeLcVEpYEngNZHDEQlTf9j6gBsKiWvlyNM29s5ybUK/vsTDcMwFOMJUjrpu44URrPss4Vtsv1iF+/mWwt+lEnSWDjMv8D6EcgcPI0K81o5rZ4VKXg3Wo8YjkGh6hnKWbwfAJo1FL4jveNn0lMBcvsRWtCMySVx+H0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gLcvwAcY; 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="gLcvwAcY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 758F3C3277B; Thu, 6 Jun 2024 08:50:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717663838; bh=lOpeMaqXRioNWzloS7xPP8YoU3oVFhf2Rg3MbuLI+7Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=gLcvwAcYp7ZPfyI3CN9hmph4jyryPaaFuIQHwZRjQDj5wyAY7TkR8LdsbVY8Cpg+I N2Xk0hkzYofB8yup3Rmc3QwFyd00tXB29k6qDSJ3yjyr84cgOtaC+7+zWnhCnP2gwN 5qdsptb3j50eYmT6IKLEHb+K/6szrdXBEM3nKUaZKeXYwGF5LqJCWOCey9YaSXKfEF uOjETHvXe8ET7tAhaZbfcMDsN9LR3HSRktmA/NjPL0+rghQs04U/5XMhKEexSE88/W GjfUoCy24KVVVBfHMIIAZPQyeBXYHC/jq5h8+X6lqtdgtZ7kog7dXKebcVY+6g9f9s KJoeCdQ+pYqgQ== Date: Thu, 6 Jun 2024 11:50:33 +0300 From: Leon Romanovsky To: Dan Williams Cc: Jason Gunthorpe , Jakub Kicinski , David Ahern , Jonathan Corbet , Itay Avraham , linux-doc@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, Paolo Abeni , Saeed Mahameed , Tariq Toukan , Andy Gospodarek , Aron Silverton , Christoph Hellwig , Jiri Pirko , Leonid Bloch , linux-cxl@vger.kernel.org, patches@lists.linux.dev Subject: Re: [PATCH 0/8] Introduce fwctl subystem Message-ID: <20240606085033.GC13732@unreal> References: <0-v1-9912f1a11620+2a-fwctl_jgg@nvidia.com> <20240603114250.5325279c@kernel.org> <214d7d82-0916-4c29-9012-04590e77df73@kernel.org> <20240604070451.79cfb280@kernel.org> <665fa9c9e69de_4a4e62941e@dwillia2-xfh.jf.intel.com.notmuch> <20240605135911.GT19897@nvidia.com> <6661416ed4334_2d412294a1@dwillia2-mobl3.amr.corp.intel.com.notmuch> 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: <6661416ed4334_2d412294a1@dwillia2-mobl3.amr.corp.intel.com.notmuch> On Wed, Jun 05, 2024 at 09:56:14PM -0700, Dan Williams wrote: > Jason Gunthorpe wrote: <...> > So my questions to try to understand the specific sticking points more > are: > > 1/ Can you think of a Command Effect that the device could enumerate to > address the specific shenanigan's that netdev is worried about? In other > words if every command a device enables has the stated effect of > "Configuration Change after Reset" does that cut out a significant > portion of the concern? It will prevent SR-IOV devices (or more accurate their VFs) to be configured through the fwctl, as they are destroyed in HW during reboot. Thanks