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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 EA5A6C433B4 for ; Tue, 6 Apr 2021 19:37:47 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A3F0D613CF for ; Tue, 6 Apr 2021 19:37:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3F0D613CF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4357C6E8A2; Tue, 6 Apr 2021 19:37:47 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8830E6E8A3 for ; Tue, 6 Apr 2021 19:37:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617737864; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=L7OY+N2Q6/FRu9JVKctbQPu74TT+x5L6GqR5UhbmXrU=; b=ImIGhzs/nQD3PtHCidPsK7zKhoieNKP6kDCrs5By0GNrEa+6Ixs1odtbri1REgB9Hs4bWB 1InaTehLJgZ776XPVD0jSvnE3qrfEpl5Fa65MwIwoOJvVfkuwnbeF84jY1JrEa1SzMdMrh rNedIcBjPpHe2yT2f28Af17VeL/CCAo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-331-4X-8dloyMCeIxWKJh8UVQQ-1; Tue, 06 Apr 2021 15:37:40 -0400 X-MC-Unique: 4X-8dloyMCeIxWKJh8UVQQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BBE491007478; Tue, 6 Apr 2021 19:37:38 +0000 (UTC) Received: from omen (ovpn-112-85.phx2.redhat.com [10.3.112.85]) by smtp.corp.redhat.com (Postfix) with ESMTP id 56AEE17D04; Tue, 6 Apr 2021 19:37:38 +0000 (UTC) Date: Tue, 6 Apr 2021 13:37:28 -0600 From: Alex Williamson To: Fred Gao Message-ID: <20210406133728.23ecb592@omen> In-Reply-To: <20210325170953.24549-1-fred.gao@intel.com> References: <20210302130220.9349-1-fred.gao@intel.com> <20210325170953.24549-1-fred.gao@intel.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Subject: Re: [Intel-gfx] [PATCH v5] vfio/pci: Add support for opregion v2.1+ X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Swee Yee Fonn , intel-gfx@lists.freedesktop.org, kvm@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Fri, 26 Mar 2021 01:09:53 +0800 Fred Gao wrote: > Before opregion version 2.0 VBT data is stored in opregion mailbox #4, > but when VBT data exceeds 6KB size and cannot be within mailbox #4 > then from opregion v2.0+, Extended VBT region, next to opregion is > used to hold the VBT data, so the total size will be opregion size plus > extended VBT region size. > > Since opregion v2.0 with physical host VBT address would not be > practically available for end user and guest can not directly access > host physical address, so it is not supported. > > Cc: Zhenyu Wang > Signed-off-by: Swee Yee Fonn > Signed-off-by: Fred Gao > --- > drivers/vfio/pci/vfio_pci_igd.c | 53 +++++++++++++++++++++++++++++++++ > 1 file changed, 53 insertions(+) Applied to vfio next branch for v5.13. Thanks, Alex _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx 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=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 F068BC433B4 for ; Tue, 6 Apr 2021 19:37:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C464B613A9 for ; Tue, 6 Apr 2021 19:37:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242661AbhDFThw (ORCPT ); Tue, 6 Apr 2021 15:37:52 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:40715 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242331AbhDFThu (ORCPT ); Tue, 6 Apr 2021 15:37:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617737861; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=L7OY+N2Q6/FRu9JVKctbQPu74TT+x5L6GqR5UhbmXrU=; b=DbRvzS9r+5KlxBWDpqX8VOenkJCXi39mwwmEqtDx3AP0sFdtr8Ki4brYGJC0CJ952Pzfco HoLgE45o5bui22Hgqm/DqkoWcmaf3XfEIsbu75NH/JWYtyheWYsXf+IJcPlI/taG29Fxa4 tqx3Xsaj87FxQEoq0rbE/i3qMPnYJ4U= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-331-4X-8dloyMCeIxWKJh8UVQQ-1; Tue, 06 Apr 2021 15:37:40 -0400 X-MC-Unique: 4X-8dloyMCeIxWKJh8UVQQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BBE491007478; Tue, 6 Apr 2021 19:37:38 +0000 (UTC) Received: from omen (ovpn-112-85.phx2.redhat.com [10.3.112.85]) by smtp.corp.redhat.com (Postfix) with ESMTP id 56AEE17D04; Tue, 6 Apr 2021 19:37:38 +0000 (UTC) Date: Tue, 6 Apr 2021 13:37:28 -0600 From: Alex Williamson To: Fred Gao Cc: kvm@vger.kernel.org, intel-gfx@lists.freedesktop.org, Zhenyu Wang , Swee Yee Fonn Subject: Re: [PATCH v5] vfio/pci: Add support for opregion v2.1+ Message-ID: <20210406133728.23ecb592@omen> In-Reply-To: <20210325170953.24549-1-fred.gao@intel.com> References: <20210302130220.9349-1-fred.gao@intel.com> <20210325170953.24549-1-fred.gao@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Fri, 26 Mar 2021 01:09:53 +0800 Fred Gao wrote: > Before opregion version 2.0 VBT data is stored in opregion mailbox #4, > but when VBT data exceeds 6KB size and cannot be within mailbox #4 > then from opregion v2.0+, Extended VBT region, next to opregion is > used to hold the VBT data, so the total size will be opregion size plus > extended VBT region size. > > Since opregion v2.0 with physical host VBT address would not be > practically available for end user and guest can not directly access > host physical address, so it is not supported. > > Cc: Zhenyu Wang > Signed-off-by: Swee Yee Fonn > Signed-off-by: Fred Gao > --- > drivers/vfio/pci/vfio_pci_igd.c | 53 +++++++++++++++++++++++++++++++++ > 1 file changed, 53 insertions(+) Applied to vfio next branch for v5.13. Thanks, Alex