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=-17.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 BCD94C432BE for ; Mon, 30 Aug 2021 16:54:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A0E760E90 for ; Mon, 30 Aug 2021 16:54:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237785AbhH3QzK (ORCPT ); Mon, 30 Aug 2021 12:55:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:36302 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231234AbhH3QzK (ORCPT ); Mon, 30 Aug 2021 12:55:10 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 096DB60F5E; Mon, 30 Aug 2021 16:54:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1630342456; bh=iNcTHgvOdVylj5b2Em5RHz6D5R5i2wbxs7AuzutQfY0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NiEzHoanRZKtsql42pPXEHxb5ucKBUXkK5yV0kBQuo1ED7sQIsGsBMyjk4+AxNbat rudb+7movSpo4+sBbkufuBv4MXfZmf1oLOhBUO0okWGPkMHwcy7+b5e/jlmZ3gGYaC BXX74x+hxUd33qvTX85PX4OUcdN9WMEzlG3/G4VnXcljAwwZC1hxKsYAR3/xxdfTfp 6x0zmawBEfeun9Mjve1Nzb8mfjTLrhco/7TCqNndAstD6MGUUWOnXrNDiwBPLa+K7N btrogRcbZcgWWTocoEqZ8+kCqL1gIY1QPCeAgyEupj+9AWBAu/xlVH6G848reMMP+1 F+VnJXzrhAzSQ== Received: by pali.im (Postfix) id C630C7B8; Mon, 30 Aug 2021 18:54:13 +0200 (CEST) Date: Mon, 30 Aug 2021 18:54:13 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Jeremy Linton Cc: lorenzo.pieralisi@arm.com, linux-pci@vger.kernel.org, nsaenz@kernel.org, bhelgaas@google.com, rjw@rjwysocki.net, lenb@kernel.org, robh@kernel.org, kw@linux.com, f.fainelli@gmail.com, sdonthineni@nvidia.com, stefan.wahren@i2se.com, bcm-kernel-feedback-list@broadcom.com, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/4] PCI: brcmstb: Add ACPI config space quirk Message-ID: <20210830165413.r53csq3mzzgoo6iy@pali> References: <20210819215655.84866-1-jeremy.linton@arm.com> <20210819215655.84866-3-jeremy.linton@arm.com> <20210829111330.22f6n3tvmm246jzg@pali> <40bba0af-0a70-ab65-581e-e0c308c8f1d9@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <40bba0af-0a70-ab65-581e-e0c308c8f1d9@arm.com> User-Agent: NeoMutt/20180716 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Monday 30 August 2021 11:10:55 Jeremy Linton wrote: > Hi, > > On 8/29/21 6:13 AM, Pali Rohár wrote: > > On Thursday 19 August 2021 16:56:53 Jeremy Linton wrote: > > > The PFTF CM4 is an ACPI platform that isn't ECAM compliant. Its config > > > space is in two parts. One part is for the root port registers and a > > > second moveable window pointing at a device's 4K config space. Thus it > > > doesn't have an MCFG, and any MCFG provided would be nonsense > > > anyway. Instead, a Linux specific host bridge _DSD selects a custom > > > ECAM ops and cfgres. The cfg op picks between those two regions while > > > disallowing problematic accesses. > > > > I'm not sure if Lorenzo would like this patch series... > > That was sorta true since the arm64/ACPI/PCI patches landed. The underlying > reason is the desire for arm platforms to require less one-off kernel > patching in order to "just work". But, its become apparent that there > continue to be problems with PCIe IP and Arm interconnect integration. So, a > firmware interface was standardized which solves most of the nonstandard > ECAM issues. At that point it was decided though that the kernel maintainers > would prefer to have the quirks visible to the kernel rather than hidden in > the firmware, and that they would be more open to merging these quirks. The > Tegra patch you listed above has been merged. > > More info about this: https://lkml.org/lkml/2021/3/25/777 Hi and thanks for pointer! I did not know about that new discussion and a new solution. Anyway, according to that discussion, adding a new MCFG quirk into kernel requires adding some errata entry for documenting buggy HW. And seems that this documentation update is not included in this patch series... > > Thanks, > > > > > In past there was a long discussion about ECAM compliance, MCFG quirks > > and usage of ACPI (on other platform), see long thread: > > https://lore.kernel.org/linux-pci/20200207183427.GA40158@google.com/ > > > > And I think it is not a good idea to extend MCFG quirks table as > > according to discussion it was just temporary plaster and if platform is > > not ACPI / ECAM compliant then it should use DT booting... > > > > Lorenzo, could you put any comment on this? > > > > > Signed-off-by: Jeremy Linton > > > --- > > > drivers/pci/controller/Makefile | 1 + > > > drivers/pci/controller/pcie-brcmstb-acpi.c | 74 ++++++++++++++++++++++ > > > include/linux/pci-ecam.h | 1 + > > > 3 files changed, 76 insertions(+) > > > create mode 100644 drivers/pci/controller/pcie-brcmstb-acpi.c > > > > > > diff --git a/drivers/pci/controller/Makefile b/drivers/pci/controller/Makefile > > > index aaf30b3dcc14..65aa6fd3ed89 100644 > > > --- a/drivers/pci/controller/Makefile > > > +++ b/drivers/pci/controller/Makefile > > > @@ -57,5 +57,6 @@ ifdef CONFIG_PCI_QUIRKS > > > obj-$(CONFIG_ARM64) += pci-thunder-ecam.o > > > obj-$(CONFIG_ARM64) += pci-thunder-pem.o > > > obj-$(CONFIG_ARM64) += pci-xgene.o > > > +obj-$(CONFIG_ARM64) += pcie-brcmstb-acpi.o > > > endif > > > endif > > > diff --git a/drivers/pci/controller/pcie-brcmstb-acpi.c b/drivers/pci/controller/pcie-brcmstb-acpi.c > > > new file mode 100644 > > > index 000000000000..71f6def3074c > > > --- /dev/null > > > +++ b/drivers/pci/controller/pcie-brcmstb-acpi.c > > > @@ -0,0 +1,74 @@ > > > +// SPDX-License-Identifier: GPL-2.0+ > > > +/* > > > + * ACPI quirks for Brcm2711 PCIe host controller > > > + * As used on the Raspberry Pi Compute Module 4 > > > + * > > > + * Copyright (C) 2021 Arm Ltd. > > > + */ > > > + > > > +#include > > > +#include > > > +#include > > > +#include "../pci.h" > > > +#include "pcie-brcmstb.h" > > > + > > > +static int brcm_acpi_init(struct pci_config_window *cfg) > > > +{ > > > + /* > > > + * This platform doesn't technically have anything that could be called > > > + * ECAM. Its config region has root port specific registers between > > > + * standard PCIe defined config registers. Thus the region setup by the > > > + * generic ECAM code needs to be adjusted. The HW can access bus 0-ff > > > + * but the footprint isn't a nice power of 2 (40k). For purposes of > > > + * mapping the config region we are just going to squash the standard > > > + * and nonstandard registers together rather than mapping them separately. > > > + */ > > > + iounmap(cfg->win); > > > + cfg->win = pci_remap_cfgspace(cfg->res.start, resource_size(&cfg->res)); > > > + if (!cfg->win) > > > + goto err_exit; > > > + > > > + /* MSI is nonstandard as well */ > > > + pci_no_msi(); > > > + > > > + return 0; > > > +err_exit: > > > + dev_err(cfg->parent, "PCI: Failed to remap config\n"); > > > + return -ENOMEM; > > > +} > > > + > > > +static void __iomem *brcm_pcie_map_conf2(struct pci_bus *bus, > > > + unsigned int devfn, int where) > > > +{ > > > + struct pci_config_window *cfg = bus->sysdata; > > > + void __iomem *base = cfg->win; > > > + int idx; > > > + u32 up; > > > + > > > + /* Accesses to the RC go right to the RC registers if slot==0 */ > > > + if (pci_is_root_bus(bus)) > > > + return PCI_SLOT(devfn) ? NULL : base + where; > > > + > > > + /* Assure link up before sending request */ > > > + up = readl(base + PCIE_MISC_PCIE_STATUS); > > > + if (!(up & PCIE_MISC_PCIE_STATUS_PCIE_DL_ACTIVE_MASK)) > > > + return NULL; > > > + > > > + if (!(up & PCIE_MISC_PCIE_STATUS_PCIE_PHYLINKUP_MASK)) > > > + return NULL; > > > + > > > + /* For devices, write to the config space index register */ > > > + idx = PCIE_ECAM_OFFSET(bus->number, devfn, 0); > > > + writel(idx, base + PCIE_EXT_CFG_INDEX); > > > + return base + PCIE_EXT_CFG_DATA + where; > > > +} > > > + > > > +const struct pci_ecam_ops bcm2711_pcie_ops = { > > > + .init = brcm_acpi_init, > > > + .bus_shift = 1, > > > + .pci_ops = { > > > + .map_bus = brcm_pcie_map_conf2, > > > + .read = pci_generic_config_read, > > > + .write = pci_generic_config_write, > > > + } > > > +}; > > > diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h > > > index adea5a4771cf..a5de0285bb7f 100644 > > > --- a/include/linux/pci-ecam.h > > > +++ b/include/linux/pci-ecam.h > > > @@ -87,6 +87,7 @@ extern const struct pci_ecam_ops xgene_v1_pcie_ecam_ops; /* APM X-Gene PCIe v1 * > > > extern const struct pci_ecam_ops xgene_v2_pcie_ecam_ops; /* APM X-Gene PCIe v2.x */ > > > extern const struct pci_ecam_ops al_pcie_ops; /* Amazon Annapurna Labs PCIe */ > > > extern const struct pci_ecam_ops tegra194_pcie_ops; /* Tegra194 PCIe */ > > > +extern const struct pci_ecam_ops bcm2711_pcie_ops; /* Bcm2711 PCIe */ > > > #endif > > > #if IS_ENABLED(CONFIG_PCI_HOST_COMMON) > > > -- > > > 2.31.1 > > > > 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=-15.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 2A511C432BE for ; Mon, 30 Aug 2021 16:56:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E916960F12 for ; Mon, 30 Aug 2021 16:56:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E916960F12 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lBSxmQ1ScqI1sa1BCeQTRAACxfMiX2CHpl9K0tueBzM=; b=UZ0f/VOKWRGjLU fwCDEkClOAaSkxlc4iGlMQ12uuVNLTbXRkfndMQMc0nxEWir1jjjEH5BBFW1M6qwSbxwZKgNYV4pt DJiry5FydszCdBM2QzJnN2MG/r/ELXcebkINs3bgFT+hde0dR702047GNocDEXSZm3od7MNaRuJTe zp13PwsA3vN38QGKZZmyYYxlcYS9iA8oOJrml0yzN0fakYSCJT7rS/palYKbOHtIX1z6ezsjkPXVi mPziDAYytkJFHa2N2meH9hUxjumHmS4vfIdO0XEzqbioX5Txb4a7cNstqqHypDhsJLE++gJUUkyWa LMPNdafN6+bJnyjRhrqA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mKkYB-0007Tu-UM; Mon, 30 Aug 2021 16:54:24 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mKkY4-0007SD-Jm; Mon, 30 Aug 2021 16:54:20 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 096DB60F5E; Mon, 30 Aug 2021 16:54:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1630342456; bh=iNcTHgvOdVylj5b2Em5RHz6D5R5i2wbxs7AuzutQfY0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NiEzHoanRZKtsql42pPXEHxb5ucKBUXkK5yV0kBQuo1ED7sQIsGsBMyjk4+AxNbat rudb+7movSpo4+sBbkufuBv4MXfZmf1oLOhBUO0okWGPkMHwcy7+b5e/jlmZ3gGYaC BXX74x+hxUd33qvTX85PX4OUcdN9WMEzlG3/G4VnXcljAwwZC1hxKsYAR3/xxdfTfp 6x0zmawBEfeun9Mjve1Nzb8mfjTLrhco/7TCqNndAstD6MGUUWOnXrNDiwBPLa+K7N btrogRcbZcgWWTocoEqZ8+kCqL1gIY1QPCeAgyEupj+9AWBAu/xlVH6G848reMMP+1 F+VnJXzrhAzSQ== Received: by pali.im (Postfix) id C630C7B8; Mon, 30 Aug 2021 18:54:13 +0200 (CEST) Date: Mon, 30 Aug 2021 18:54:13 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Jeremy Linton Cc: lorenzo.pieralisi@arm.com, linux-pci@vger.kernel.org, nsaenz@kernel.org, bhelgaas@google.com, rjw@rjwysocki.net, lenb@kernel.org, robh@kernel.org, kw@linux.com, f.fainelli@gmail.com, sdonthineni@nvidia.com, stefan.wahren@i2se.com, bcm-kernel-feedback-list@broadcom.com, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/4] PCI: brcmstb: Add ACPI config space quirk Message-ID: <20210830165413.r53csq3mzzgoo6iy@pali> References: <20210819215655.84866-1-jeremy.linton@arm.com> <20210819215655.84866-3-jeremy.linton@arm.com> <20210829111330.22f6n3tvmm246jzg@pali> <40bba0af-0a70-ab65-581e-e0c308c8f1d9@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <40bba0af-0a70-ab65-581e-e0c308c8f1d9@arm.com> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210830_095416_733626_71B6B0CE X-CRM114-Status: GOOD ( 47.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gTW9uZGF5IDMwIEF1Z3VzdCAyMDIxIDExOjEwOjU1IEplcmVteSBMaW50b24gd3JvdGU6Cj4g SGksCj4gCj4gT24gOC8yOS8yMSA2OjEzIEFNLCBQYWxpIFJvaMOhciB3cm90ZToKPiA+IE9uIFRo dXJzZGF5IDE5IEF1Z3VzdCAyMDIxIDE2OjU2OjUzIEplcmVteSBMaW50b24gd3JvdGU6Cj4gPiA+ IFRoZSBQRlRGIENNNCBpcyBhbiBBQ1BJIHBsYXRmb3JtIHRoYXQgaXNuJ3QgRUNBTSBjb21wbGlh bnQuIEl0cyBjb25maWcKPiA+ID4gc3BhY2UgaXMgaW4gdHdvIHBhcnRzLiBPbmUgcGFydCBpcyBm b3IgdGhlIHJvb3QgcG9ydCByZWdpc3RlcnMgYW5kIGEKPiA+ID4gc2Vjb25kIG1vdmVhYmxlIHdp bmRvdyBwb2ludGluZyBhdCBhIGRldmljZSdzIDRLIGNvbmZpZyBzcGFjZS4gVGh1cyBpdAo+ID4g PiBkb2Vzbid0IGhhdmUgYW4gTUNGRywgYW5kIGFueSBNQ0ZHIHByb3ZpZGVkIHdvdWxkIGJlIG5v bnNlbnNlCj4gPiA+IGFueXdheS4gSW5zdGVhZCwgYSBMaW51eCBzcGVjaWZpYyBob3N0IGJyaWRn ZSBfRFNEIHNlbGVjdHMgYSBjdXN0b20KPiA+ID4gRUNBTSBvcHMgYW5kIGNmZ3Jlcy4gVGhlIGNm ZyBvcCBwaWNrcyBiZXR3ZWVuIHRob3NlIHR3byByZWdpb25zIHdoaWxlCj4gPiA+IGRpc2FsbG93 aW5nIHByb2JsZW1hdGljIGFjY2Vzc2VzLgo+ID4gCj4gPiBJJ20gbm90IHN1cmUgaWYgTG9yZW56 byB3b3VsZCBsaWtlIHRoaXMgcGF0Y2ggc2VyaWVzLi4uCj4gCj4gVGhhdCB3YXMgc29ydGEgdHJ1 ZSBzaW5jZSB0aGUgYXJtNjQvQUNQSS9QQ0kgcGF0Y2hlcyBsYW5kZWQuIFRoZSB1bmRlcmx5aW5n Cj4gcmVhc29uIGlzIHRoZSBkZXNpcmUgZm9yIGFybSBwbGF0Zm9ybXMgdG8gcmVxdWlyZSBsZXNz IG9uZS1vZmYga2VybmVsCj4gcGF0Y2hpbmcgaW4gb3JkZXIgdG8gImp1c3Qgd29yayIuIEJ1dCwg aXRzIGJlY29tZSBhcHBhcmVudCB0aGF0IHRoZXJlCj4gY29udGludWUgdG8gYmUgcHJvYmxlbXMg d2l0aCBQQ0llIElQIGFuZCBBcm0gaW50ZXJjb25uZWN0IGludGVncmF0aW9uLiBTbywgYQo+IGZp cm13YXJlIGludGVyZmFjZSB3YXMgc3RhbmRhcmRpemVkIHdoaWNoIHNvbHZlcyBtb3N0IG9mIHRo ZSBub25zdGFuZGFyZAo+IEVDQU0gaXNzdWVzLiBBdCB0aGF0IHBvaW50IGl0IHdhcyBkZWNpZGVk IHRob3VnaCB0aGF0IHRoZSBrZXJuZWwgbWFpbnRhaW5lcnMKPiB3b3VsZCBwcmVmZXIgdG8gaGF2 ZSB0aGUgcXVpcmtzIHZpc2libGUgdG8gdGhlIGtlcm5lbCByYXRoZXIgdGhhbiBoaWRkZW4gaW4K PiB0aGUgZmlybXdhcmUsIGFuZCB0aGF0IHRoZXkgd291bGQgYmUgbW9yZSBvcGVuIHRvIG1lcmdp bmcgdGhlc2UgcXVpcmtzLiBUaGUKPiBUZWdyYSBwYXRjaCB5b3UgbGlzdGVkIGFib3ZlIGhhcyBi ZWVuIG1lcmdlZC4KPiAKPiBNb3JlIGluZm8gYWJvdXQgdGhpczogaHR0cHM6Ly9sa21sLm9yZy9s a21sLzIwMjEvMy8yNS83NzcKCkhpIGFuZCB0aGFua3MgZm9yIHBvaW50ZXIhCgpJIGRpZCBub3Qg a25vdyBhYm91dCB0aGF0IG5ldyBkaXNjdXNzaW9uIGFuZCBhIG5ldyBzb2x1dGlvbi4KCkFueXdh eSwgYWNjb3JkaW5nIHRvIHRoYXQgZGlzY3Vzc2lvbiwgYWRkaW5nIGEgbmV3IE1DRkcgcXVpcmsg aW50bwprZXJuZWwgcmVxdWlyZXMgYWRkaW5nIHNvbWUgZXJyYXRhIGVudHJ5IGZvciBkb2N1bWVu dGluZyBidWdneSBIVy4gQW5kCnNlZW1zIHRoYXQgdGhpcyBkb2N1bWVudGF0aW9uIHVwZGF0ZSBp cyBub3QgaW5jbHVkZWQgaW4gdGhpcyBwYXRjaApzZXJpZXMuLi4KCj4gCj4gVGhhbmtzLAo+IAo+ ID4gCj4gPiBJbiBwYXN0IHRoZXJlIHdhcyBhIGxvbmcgZGlzY3Vzc2lvbiBhYm91dCBFQ0FNIGNv bXBsaWFuY2UsIE1DRkcgcXVpcmtzCj4gPiBhbmQgdXNhZ2Ugb2YgQUNQSSAob24gb3RoZXIgcGxh dGZvcm0pLCBzZWUgbG9uZyB0aHJlYWQ6Cj4gPiBodHRwczovL2xvcmUua2VybmVsLm9yZy9saW51 eC1wY2kvMjAyMDAyMDcxODM0MjcuR0E0MDE1OEBnb29nbGUuY29tLwo+ID4gCj4gPiBBbmQgSSB0 aGluayBpdCBpcyBub3QgYSBnb29kIGlkZWEgdG8gZXh0ZW5kIE1DRkcgcXVpcmtzIHRhYmxlIGFz Cj4gPiBhY2NvcmRpbmcgdG8gZGlzY3Vzc2lvbiBpdCB3YXMganVzdCB0ZW1wb3JhcnkgcGxhc3Rl ciBhbmQgaWYgcGxhdGZvcm0gaXMKPiA+IG5vdCBBQ1BJIC8gRUNBTSBjb21wbGlhbnQgdGhlbiBp dCBzaG91bGQgdXNlIERUIGJvb3RpbmcuLi4KPiA+IAo+ID4gTG9yZW56bywgY291bGQgeW91IHB1 dCBhbnkgY29tbWVudCBvbiB0aGlzPwo+ID4gCj4gPiA+IFNpZ25lZC1vZmYtYnk6IEplcmVteSBM aW50b24gPGplcmVteS5saW50b25AYXJtLmNvbT4KPiA+ID4gLS0tCj4gPiA+ICAgZHJpdmVycy9w Y2kvY29udHJvbGxlci9NYWtlZmlsZSAgICAgICAgICAgIHwgIDEgKwo+ID4gPiAgIGRyaXZlcnMv cGNpL2NvbnRyb2xsZXIvcGNpZS1icmNtc3RiLWFjcGkuYyB8IDc0ICsrKysrKysrKysrKysrKysr KysrKysKPiA+ID4gICBpbmNsdWRlL2xpbnV4L3BjaS1lY2FtLmggICAgICAgICAgICAgICAgICAg fCAgMSArCj4gPiA+ICAgMyBmaWxlcyBjaGFuZ2VkLCA3NiBpbnNlcnRpb25zKCspCj4gPiA+ICAg Y3JlYXRlIG1vZGUgMTAwNjQ0IGRyaXZlcnMvcGNpL2NvbnRyb2xsZXIvcGNpZS1icmNtc3RiLWFj cGkuYwo+ID4gPiAKPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvcGNpL2NvbnRyb2xsZXIvTWFr ZWZpbGUgYi9kcml2ZXJzL3BjaS9jb250cm9sbGVyL01ha2VmaWxlCj4gPiA+IGluZGV4IGFhZjMw YjNkY2MxNC4uNjVhYTZmZDNlZDg5IDEwMDY0NAo+ID4gPiAtLS0gYS9kcml2ZXJzL3BjaS9jb250 cm9sbGVyL01ha2VmaWxlCj4gPiA+ICsrKyBiL2RyaXZlcnMvcGNpL2NvbnRyb2xsZXIvTWFrZWZp bGUKPiA+ID4gQEAgLTU3LDUgKzU3LDYgQEAgaWZkZWYgQ09ORklHX1BDSV9RVUlSS1MKPiA+ID4g ICBvYmotJChDT05GSUdfQVJNNjQpICs9IHBjaS10aHVuZGVyLWVjYW0ubwo+ID4gPiAgIG9iai0k KENPTkZJR19BUk02NCkgKz0gcGNpLXRodW5kZXItcGVtLm8KPiA+ID4gICBvYmotJChDT05GSUdf QVJNNjQpICs9IHBjaS14Z2VuZS5vCj4gPiA+ICtvYmotJChDT05GSUdfQVJNNjQpICs9IHBjaWUt YnJjbXN0Yi1hY3BpLm8KPiA+ID4gICBlbmRpZgo+ID4gPiAgIGVuZGlmCj4gPiA+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL3BjaS9jb250cm9sbGVyL3BjaWUtYnJjbXN0Yi1hY3BpLmMgYi9kcml2ZXJz L3BjaS9jb250cm9sbGVyL3BjaWUtYnJjbXN0Yi1hY3BpLmMKPiA+ID4gbmV3IGZpbGUgbW9kZSAx MDA2NDQKPiA+ID4gaW5kZXggMDAwMDAwMDAwMDAwLi43MWY2ZGVmMzA3NGMKPiA+ID4gLS0tIC9k ZXYvbnVsbAo+ID4gPiArKysgYi9kcml2ZXJzL3BjaS9jb250cm9sbGVyL3BjaWUtYnJjbXN0Yi1h Y3BpLmMKPiA+ID4gQEAgLTAsMCArMSw3NCBAQAo+ID4gPiArLy8gU1BEWC1MaWNlbnNlLUlkZW50 aWZpZXI6IEdQTC0yLjArCj4gPiA+ICsvKgo+ID4gPiArICogQUNQSSBxdWlya3MgZm9yIEJyY20y NzExIFBDSWUgaG9zdCBjb250cm9sbGVyCj4gPiA+ICsgKiBBcyB1c2VkIG9uIHRoZSBSYXNwYmVy cnkgUGkgQ29tcHV0ZSBNb2R1bGUgNAo+ID4gPiArICoKPiA+ID4gKyAqIENvcHlyaWdodCAoQykg MjAyMSBBcm0gTHRkLgo+ID4gPiArICovCj4gPiA+ICsKPiA+ID4gKyNpbmNsdWRlIDxsaW51eC9p by5oPgo+ID4gPiArI2luY2x1ZGUgPGxpbnV4L3BjaS5oPgo+ID4gPiArI2luY2x1ZGUgPGxpbnV4 L3BjaS1lY2FtLmg+Cj4gPiA+ICsjaW5jbHVkZSAiLi4vcGNpLmgiCj4gPiA+ICsjaW5jbHVkZSAi cGNpZS1icmNtc3RiLmgiCj4gPiA+ICsKPiA+ID4gK3N0YXRpYyBpbnQgYnJjbV9hY3BpX2luaXQo c3RydWN0IHBjaV9jb25maWdfd2luZG93ICpjZmcpCj4gPiA+ICt7Cj4gPiA+ICsJLyoKPiA+ID4g KwkgKiBUaGlzIHBsYXRmb3JtIGRvZXNuJ3QgdGVjaG5pY2FsbHkgaGF2ZSBhbnl0aGluZyB0aGF0 IGNvdWxkIGJlIGNhbGxlZAo+ID4gPiArCSAqIEVDQU0uIEl0cyBjb25maWcgcmVnaW9uIGhhcyBy b290IHBvcnQgc3BlY2lmaWMgcmVnaXN0ZXJzIGJldHdlZW4KPiA+ID4gKwkgKiBzdGFuZGFyZCBQ Q0llIGRlZmluZWQgY29uZmlnIHJlZ2lzdGVycy4gVGh1cyB0aGUgcmVnaW9uIHNldHVwIGJ5IHRo ZQo+ID4gPiArCSAqIGdlbmVyaWMgRUNBTSBjb2RlIG5lZWRzIHRvIGJlIGFkanVzdGVkLiBUaGUg SFcgY2FuIGFjY2VzcyBidXMgMC1mZgo+ID4gPiArCSAqIGJ1dCB0aGUgZm9vdHByaW50IGlzbid0 IGEgbmljZSBwb3dlciBvZiAyICg0MGspLiBGb3IgcHVycG9zZXMgb2YKPiA+ID4gKwkgKiBtYXBw aW5nIHRoZSBjb25maWcgcmVnaW9uIHdlIGFyZSBqdXN0IGdvaW5nIHRvIHNxdWFzaCB0aGUgc3Rh bmRhcmQKPiA+ID4gKwkgKiBhbmQgbm9uc3RhbmRhcmQgcmVnaXN0ZXJzIHRvZ2V0aGVyIHJhdGhl ciB0aGFuIG1hcHBpbmcgdGhlbSBzZXBhcmF0ZWx5Lgo+ID4gPiArCSAqLwo+ID4gPiArCWlvdW5t YXAoY2ZnLT53aW4pOwo+ID4gPiArCWNmZy0+d2luID0gcGNpX3JlbWFwX2NmZ3NwYWNlKGNmZy0+ cmVzLnN0YXJ0LCByZXNvdXJjZV9zaXplKCZjZmctPnJlcykpOwo+ID4gPiArCWlmICghY2ZnLT53 aW4pCj4gPiA+ICsJCWdvdG8gZXJyX2V4aXQ7Cj4gPiA+ICsKPiA+ID4gKwkvKiBNU0kgaXMgbm9u c3RhbmRhcmQgYXMgd2VsbCAqLwo+ID4gPiArCXBjaV9ub19tc2koKTsKPiA+ID4gKwo+ID4gPiAr CXJldHVybiAwOwo+ID4gPiArZXJyX2V4aXQ6Cj4gPiA+ICsJZGV2X2VycihjZmctPnBhcmVudCwg IlBDSTogRmFpbGVkIHRvIHJlbWFwIGNvbmZpZ1xuIik7Cj4gPiA+ICsJcmV0dXJuIC1FTk9NRU07 Cj4gPiA+ICt9Cj4gPiA+ICsKPiA+ID4gK3N0YXRpYyB2b2lkIF9faW9tZW0gKmJyY21fcGNpZV9t YXBfY29uZjIoc3RydWN0IHBjaV9idXMgKmJ1cywKPiA+ID4gKwkJCQkJdW5zaWduZWQgaW50IGRl dmZuLCBpbnQgd2hlcmUpCj4gPiA+ICt7Cj4gPiA+ICsJc3RydWN0IHBjaV9jb25maWdfd2luZG93 ICpjZmcgPSBidXMtPnN5c2RhdGE7Cj4gPiA+ICsJdm9pZCBfX2lvbWVtICpiYXNlID0gY2ZnLT53 aW47Cj4gPiA+ICsJaW50IGlkeDsKPiA+ID4gKwl1MzIgdXA7Cj4gPiA+ICsKPiA+ID4gKwkvKiBB Y2Nlc3NlcyB0byB0aGUgUkMgZ28gcmlnaHQgdG8gdGhlIFJDIHJlZ2lzdGVycyBpZiBzbG90PT0w ICovCj4gPiA+ICsJaWYgKHBjaV9pc19yb290X2J1cyhidXMpKQo+ID4gPiArCQlyZXR1cm4gUENJ X1NMT1QoZGV2Zm4pID8gTlVMTCA6IGJhc2UgKyB3aGVyZTsKPiA+ID4gKwo+ID4gPiArCS8qIEFz c3VyZSBsaW5rIHVwIGJlZm9yZSBzZW5kaW5nIHJlcXVlc3QgKi8KPiA+ID4gKwl1cCA9IHJlYWRs KGJhc2UgKyBQQ0lFX01JU0NfUENJRV9TVEFUVVMpOwo+ID4gPiArCWlmICghKHVwICYgUENJRV9N SVNDX1BDSUVfU1RBVFVTX1BDSUVfRExfQUNUSVZFX01BU0spKQo+ID4gPiArCQlyZXR1cm4gTlVM TDsKPiA+ID4gKwo+ID4gPiArCWlmICghKHVwICYgUENJRV9NSVNDX1BDSUVfU1RBVFVTX1BDSUVf UEhZTElOS1VQX01BU0spKQo+ID4gPiArCQlyZXR1cm4gTlVMTDsKPiA+ID4gKwo+ID4gPiArCS8q IEZvciBkZXZpY2VzLCB3cml0ZSB0byB0aGUgY29uZmlnIHNwYWNlIGluZGV4IHJlZ2lzdGVyICov Cj4gPiA+ICsJaWR4ID0gUENJRV9FQ0FNX09GRlNFVChidXMtPm51bWJlciwgZGV2Zm4sIDApOwo+ ID4gPiArCXdyaXRlbChpZHgsIGJhc2UgKyBQQ0lFX0VYVF9DRkdfSU5ERVgpOwo+ID4gPiArCXJl dHVybiBiYXNlICsgUENJRV9FWFRfQ0ZHX0RBVEEgKyB3aGVyZTsKPiA+ID4gK30KPiA+ID4gKwo+ ID4gPiArY29uc3Qgc3RydWN0IHBjaV9lY2FtX29wcyBiY20yNzExX3BjaWVfb3BzID0gewo+ID4g PiArCS5pbml0CQk9IGJyY21fYWNwaV9pbml0LAo+ID4gPiArCS5idXNfc2hpZnQJPSAxLAo+ID4g PiArCS5wY2lfb3BzCT0gewo+ID4gPiArCQkubWFwX2J1cwk9IGJyY21fcGNpZV9tYXBfY29uZjIs Cj4gPiA+ICsJCS5yZWFkCQk9IHBjaV9nZW5lcmljX2NvbmZpZ19yZWFkLAo+ID4gPiArCQkud3Jp dGUJCT0gcGNpX2dlbmVyaWNfY29uZmlnX3dyaXRlLAo+ID4gPiArCX0KPiA+ID4gK307Cj4gPiA+ IGRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L3BjaS1lY2FtLmggYi9pbmNsdWRlL2xpbnV4L3Bj aS1lY2FtLmgKPiA+ID4gaW5kZXggYWRlYTVhNDc3MWNmLi5hNWRlMDI4NWJiN2YgMTAwNjQ0Cj4g PiA+IC0tLSBhL2luY2x1ZGUvbGludXgvcGNpLWVjYW0uaAo+ID4gPiArKysgYi9pbmNsdWRlL2xp bnV4L3BjaS1lY2FtLmgKPiA+ID4gQEAgLTg3LDYgKzg3LDcgQEAgZXh0ZXJuIGNvbnN0IHN0cnVj dCBwY2lfZWNhbV9vcHMgeGdlbmVfdjFfcGNpZV9lY2FtX29wczsgLyogQVBNIFgtR2VuZSBQQ0ll IHYxICoKPiA+ID4gICBleHRlcm4gY29uc3Qgc3RydWN0IHBjaV9lY2FtX29wcyB4Z2VuZV92Ml9w Y2llX2VjYW1fb3BzOyAvKiBBUE0gWC1HZW5lIFBDSWUgdjIueCAqLwo+ID4gPiAgIGV4dGVybiBj b25zdCBzdHJ1Y3QgcGNpX2VjYW1fb3BzIGFsX3BjaWVfb3BzOwkvKiBBbWF6b24gQW5uYXB1cm5h IExhYnMgUENJZSAqLwo+ID4gPiAgIGV4dGVybiBjb25zdCBzdHJ1Y3QgcGNpX2VjYW1fb3BzIHRl Z3JhMTk0X3BjaWVfb3BzOyAvKiBUZWdyYTE5NCBQQ0llICovCj4gPiA+ICtleHRlcm4gY29uc3Qg c3RydWN0IHBjaV9lY2FtX29wcyBiY20yNzExX3BjaWVfb3BzOyAvKiBCY20yNzExIFBDSWUgKi8K PiA+ID4gICAjZW5kaWYKPiA+ID4gICAjaWYgSVNfRU5BQkxFRChDT05GSUdfUENJX0hPU1RfQ09N TU9OKQo+ID4gPiAtLSAKPiA+ID4gMi4zMS4xCj4gPiA+IAo+IAoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxp c3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=