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 X-Spam-Level: X-Spam-Status: No, score=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6501BC433E6 for ; Tue, 26 Jan 2021 18:47:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3D06F22286 for ; Tue, 26 Jan 2021 18:47:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390301AbhAZRSL (ORCPT ); Tue, 26 Jan 2021 12:18:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45510 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726694AbhAZQi1 (ORCPT ); Tue, 26 Jan 2021 11:38:27 -0500 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78E7FC061574; Tue, 26 Jan 2021 08:37:47 -0800 (PST) Received: by mail-ed1-x530.google.com with SMTP id g1so20550008edu.4; Tue, 26 Jan 2021 08:37:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=kK/uDkip+U03fuKdMMMWxAFTK++aFTandJ16wet7eQE=; b=LbIlyXwkci3GYJ9CBAz3Z+vW77MuoErdhYBGoAUYcBJWurTN81UnTPKdvy1y+UTaFU rd2yMYhLeSFHdBIVC+tnIOkqw8W+LtUhXWhHrNnuHNUXBWYN4mA/NegHbxYZvSgBLZNE 4tsdTqpZVGWznBJ4g8NJXj2khbqa2JdGZiKET2oQ+6gJEwoJ1RGY21SGBq3weJQdXQni g0C8ZJcs4e9EQ7rhYd/wyxhvxNmQucIl2n/UbPyjVv7rCpgOh8UfFguoAwk3KUP2hIXj NgHR7MAX/JoZFhQTE+EJ67ZrqRGXKgWe+9a3Eg58lOqUe1JJ6Gs1w0HbOKlEbL2/wQH3 TcOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=kK/uDkip+U03fuKdMMMWxAFTK++aFTandJ16wet7eQE=; b=eU8xmL0OxnQrnVR8+AITpwxosHyiaTyZHy+1L6PalN4VIj9/Jn1xXgz8qHT+YJm2ZO 9o3RB2B+DkKeQMEx03FEECnpbmh6MWrTg2umYZdazs2/S7uKItH/T+SMRvdGEt/i92/8 29UXhiaQLLk5Al76vLdL5GZTA/7IGWcUQZ9GZRYIJNYdMQjS9SBDGBWRPr3E/2d3wlw+ AMxv+uqGJ2oZwU2+VTm+QD5cM5rG/eveh53YQZTxg5wi4/pJV7ttJWAgzznWsHHvvjNM FdFBWFXr8OXl0fc3FbeFngaD/E06i113qxCYwRthS5dZfNj+wLfVkTOIkr/dJL1twMSD 4M3g== X-Gm-Message-State: AOAM532/uMEFUlXVDtN4spB4lhG69gOf7MQqpG2Nia1afYTJLv3s8qDj hq/xUXIqrgFBzb4Gt4MYoLqp6XrRO3ApN8gLvifGWNn98ksGXg== X-Google-Smtp-Source: ABdhPJxAcogkmcB6fEeeJ5/Dn7TH8sbXlq4bOcWspsaqW2XLPMPtPd+mALfJbn8VaRNhMehfayx8prjI4U41XLjeH3c= X-Received: by 2002:a05:6402:4252:: with SMTP id g18mr5471851edb.231.1611679066212; Tue, 26 Jan 2021 08:37:46 -0800 (PST) MIME-Version: 1.0 References: <20210126155723.9388-1-mika.westerberg@linux.intel.com> In-Reply-To: <20210126155723.9388-1-mika.westerberg@linux.intel.com> From: Yehezkel Bernat Date: Tue, 26 Jan 2021 18:37:30 +0200 Message-ID: Subject: Re: [PATCH 0/6] thunderbolt / ACPI: Add support for USB4 _OSC To: Mika Westerberg Cc: linux-usb@vger.kernel.org, Michael Jamet , Andreas Noever , Lukas Wunner , Mario Limonciello , "Rafael J. Wysocki" , Christian Kellner , Len Brown , Greg Kroah-Hartman , linux-acpi@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Tue, Jan 26, 2021 at 5:57 PM Mika Westerberg wrote: > > Hi all, > > The just released ACPI 6.4 spec [1] adds a new _OSC method that is used to > negotiate OS support for native USB4 features such as PCIe tunneling. This > patch series adds Linux support for the new _OSC and modifies the > Thunderbolt/USB4 driver accordingly to enable/disable tunneling of > different protocols. > > There is an additional setting in the firmware connection manager that > allows the BIOS to disable PCIe tunneling, so we add support for this and > also make the software connection manager to switch to this "nopcie" > security level when the _OSC does not allow PCIe tunneling. > > This applies on top of thunderbolt.git/next. > > [1] https://uefi.org/sites/default/files/resources/ACPI_Spec_6_4_Jan22.pdf > > Mario Limonciello (2): > thunderbolt: Fix possible NULL pointer dereference in tb_acpi_add_link() > ACPI: Execute platform _OSC also with query bit clear > > Mika Westerberg (4): > thunderbolt: Add support for PCIe tunneling disabled (SL5) > thunderbolt: Allow disabling XDomain protocol > ACPI: Add support for native USB4 control _OSC > thunderbolt: Add support for native USB4 _OSC > For Thunderbolt parts, Acked-by: Yehezkel Bernat