From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F816ECAAD1 for ; Thu, 1 Sep 2022 10:38:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234228AbiIAKiR (ORCPT ); Thu, 1 Sep 2022 06:38:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234248AbiIAKiO (ORCPT ); Thu, 1 Sep 2022 06:38:14 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EA28612BF46; Thu, 1 Sep 2022 03:38:11 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8774261CD9; Thu, 1 Sep 2022 10:38:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A230C433D6; Thu, 1 Sep 2022 10:38:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662028690; bh=x2AYr6rJ/SXMUckmGysAK0XuQ4bB4VRnpC0UNZuoGPs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qqm4zjrTc7ZHzoXgBWXg4d4KPjgTtKiFHvVu/LkeNn7bhQLGQ7/LrMGtyB1fw6wXt 4UQ7vhs13zd0lr0MO2nU0GdeYIhpJJk1r3n3FBsmZrye+DmQlY1W0/AjfNu3ZA3uxl W7vXbtFIKYWHVT2Rwxp+pwQqRHnndNqN/o6J00Sq4AsQcTXiDjrpl2m8zeZyuYfXkL 77zzPuqeIJWfcZnVEnqnAGdrfnAGSde7p7snjJr3WC0rIu3Dm+RAILfIhndPsTjzlf riLTDTn19WdmOTTADOEgcH+e+H1b3yZR2oH+nqZUkYU8ikEEiPeu2cnbk1jjRF8ENa f6hUfN72qZbQA== Date: Thu, 1 Sep 2022 11:38:06 +0100 From: Mark Brown To: Wei Yongjun Cc: Steven Rostedt , Ingo Molnar , linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, Vincent Whitchurch Subject: Re: [PATCH -next 0/4] spi: Introduce BPF based SPI mockup controller Message-ID: References: <20220826144341.532265-1-weiyongjun1@huawei.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="GOEy7zVaOFT3jhOP" Content-Disposition: inline In-Reply-To: X-Cookie: Hangover, n.: Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org --GOEy7zVaOFT3jhOP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Aug 30, 2022 at 08:09:16PM +0100, Mark Brown wrote: > There was a series in the past year or so from someone > implementing a similarish idea but rather than using BPF they > provided a framework for writing device emulations in qemu with > a simplified Python framework. That seemed like a more obvious > direction here. They were initially focusing on I2C but it's a > similar space. Unfortunately I'm drawing a blank on who was > working on it or the name of the framework so I can't give a > useful reference here. Their direction was towards having > something that could also be used to validate what the driver was > doing to the device from the device's perspective. I do know it > was written up on LWN. Hopefully someone else will remember what > I'm talking about from this vauge description. The framework I was thinking of is called roadtest from Vincent Whitchurch who I've copied in here. --GOEy7zVaOFT3jhOP Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmMQi40ACgkQJNaLcl1U h9CRLwf+MUzP7Y2coNWc2AokURZzxGOGnWydOKD2x36YEaANzDT0ZBInnbyB9xp0 j4sehqJXa9OJAGC73nT7iuFPukbLKwdg6AYXuEHTM7GmZCjaMWwVan/qHN7AnwD5 rJHKb4Qd/PjkyagZmGg0MHA8dRnhuBuALWmPj6wBa85IfB5p3U2/TqEu/ibDd6UY SlgGNyTyHI5OUz/precQhRrAqsXcACVLQqTf4X7MdMxpJOtorepBBdaDk2ZDRnjz r19oZKpRwkFW2eo6d57kTh1jq665PBw2L2c6EKx3GJQV+8rZ6xp87tyIFQNqkrFS vseRTsv27aVuvPgDEV8HryurtqoiCw== =umd6 -----END PGP SIGNATURE----- --GOEy7zVaOFT3jhOP--