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 EB749C43334 for ; Wed, 15 Jun 2022 17:29:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348281AbiFOR3e (ORCPT ); Wed, 15 Jun 2022 13:29:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352759AbiFOR3a (ORCPT ); Wed, 15 Jun 2022 13:29:30 -0400 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5512434BB3; Wed, 15 Jun 2022 10:29:28 -0700 (PDT) Received: by mail-wm1-x335.google.com with SMTP id l126-20020a1c2584000000b0039c1a10507fso1502450wml.1; Wed, 15 Jun 2022 10:29:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:from:to:cc:subject:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=0mmtAiGES9hy6GbZr6mj1I/9d7FHTjal/1dcnEoMib4=; b=d/ZM+qkibzc1FPpQIVKOPEDkTrF02xlafmgh2XMchXaJDbGefaV7FPRiq9MMt1jujY 6nuFUGuuXLbLBgp76pCx/O2r4cIN+CtcNgwKZwpVdzekFdRFqDd7O32A7p8UVj/A62n2 Xs6cMKvcbN5gyfoMnqEqagWnM3EnMXZvedk5xE7YpROhUtP/QqXRbL8czsAjvcFJvXuX QANMtQIxUbMg9ZIuPF5DMRMVZ1WQzcr+DX0meZ2TE8KHPIMPWE1d0RQxcFL/aheiGAh7 jGGq9WheLGjRcC8FMRMWntkV4+X+jwEX9ITHj/a+kk694HVt/sU0fLCfSXmpuPfrVLhf 7FLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:from:to:cc:subject:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=0mmtAiGES9hy6GbZr6mj1I/9d7FHTjal/1dcnEoMib4=; b=nwHdYC9/mIhD8FirHKHPj4c4nnd0+B559Q/4QxUD3ssj3nZnA31QB02jbujUemqvcD ULfVZYORrLdeXf2C+VHDGOOCd8Ga18XNPMlct5u8yU9I62v5hDNTyHNe8U5KTPT/64aH +TcrLCq1AQXiKKm+eXA+O1Pa6RPiQiyJdb0srQJxWLEX5a0/fB9CFbS0u6Y3chnIJBFJ wzElidQzFGwDxuAOAX1+AM1/qfFZFeCl87cknVMT1g1lQTTkD2UdlMZG73HnT5UyYnU6 mQ31hiH0hXpN2fIwyknlGSQjBDHaPxp1nkw9k5HRTJYZ2AZM8eYOxO3MZXsaVjZdL4L5 qLTw== X-Gm-Message-State: AJIora81U/mcQVvemJKY+BrB54JzsIMGORzf1zzRALDsi/bxQfNlCOhJ 9cqlXgbhuOwEMg9OCXuXfEa44yix9yk= X-Google-Smtp-Source: AGRyM1u6SrzeH7qCFw4qlFWwaZs3p9N6OsL/H2wxtO516NhvYU71hXSl0/p2IYSj34r7su/3P5K8qA== X-Received: by 2002:a05:600c:4e51:b0:39c:4f18:4c29 with SMTP id e17-20020a05600c4e5100b0039c4f184c29mr537734wmq.101.1655314166756; Wed, 15 Jun 2022 10:29:26 -0700 (PDT) Received: from Ansuel-xps. (93-42-70-190.ip85.fastwebnet.it. [93.42.70.190]) by smtp.gmail.com with ESMTPSA id t1-20020a5d6a41000000b00218468314d7sm15298550wrw.62.2022.06.15.10.29.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jun 2022 10:29:26 -0700 (PDT) Message-ID: <62aa16f6.1c69fb81.816fc.be7a@mx.google.com> X-Google-Original-Message-ID: Date: Wed, 15 Jun 2022 18:35:26 +0200 From: Ansuel Smith To: Manivannan Sadhasivam Cc: Andy Gross , Bjorn Andersson , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , linux-mtd@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 2/3] mtd: nand: raw: qcom_nandc: add support for unprotected spare data pages References: <20220615000612.3119-1-ansuelsmth@gmail.com> <20220615000612.3119-3-ansuelsmth@gmail.com> <20220615172802.GB3606@thinkpad> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220615172802.GB3606@thinkpad> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Wed, Jun 15, 2022 at 10:58:02PM +0530, Manivannan Sadhasivam wrote: > On Wed, Jun 15, 2022 at 02:06:11AM +0200, Ansuel Smith wrote: > > IPQ8064 nand have special pages where a different layout scheme is used. > > These special page are used by boot partition and on reading them > > lots of warning are reported about wrong ECC data and if written to > > results in broken data and not bootable device. > > > > The layout scheme used by these special page consist in using 512 bytes > > as the codeword size (even for the last codeword) while writing to CFG0 > > register. This forces the NAND controller to unprotect the 4 bytes of > > spare data. > > > > Since the kernel is unaware of this different layout for these special > > page, it does try to protect the spare data too during read/write and > > warn about CRC errors. > > > > Add support for this by permitting the user to declare these special > > pages in dts by declaring offset and size of the partition. The driver > > internally will convert these value to nand pages. > > > > On user read/write the page is checked and if it's a boot page the > > correct layout is used. > > > > Signed-off-by: Ansuel Smith > > Just a few nitpicks below. With those fixed, > > Reviewed-by: Manivannan Sadhasivam > > Thanks, > Mani > Sure! Thanks a lot for the various review. Will send v8 that should be the final version. > > --- > > drivers/mtd/nand/raw/qcom_nandc.c | 203 +++++++++++++++++++++++++++++- > > 1 file changed, 198 insertions(+), 5 deletions(-) > > > > diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c > > index f2990d721733..0dbfe32888ff 100644 > > --- a/drivers/mtd/nand/raw/qcom_nandc.c > > +++ b/drivers/mtd/nand/raw/qcom_nandc.c > > [...] > > > +static bool qcom_nandc_is_boot_partition(struct qcom_nand_host *host, int page) > > +{ > > + struct qcom_nand_boot_partition *boot_partition; > > + u32 start, end; > > + int i; > > + > > + /* > > + * Since the frequent access will be to the non-boot partitions like rootfs, > > + * optimize the page check by: > > + > > Missing "*" > > > + * 1. Checking if the page lies after the last boot partition. > > + * 2. Checking from the boot partition end. > > + */ > > + > > + /* First check the last boot partition */ > > + boot_partition = &host->boot_partitions[host->nr_boot_partitions - 1]; > > + start = boot_partition->page_offset; > > + end = start + boot_partition->page_size; > > + > > + /* Page is after the last boot partition end. This is NOT a boot partition */ > > + if (page > end) > > + return false; > > + > > + /* Actually check if it's a boot partition */ > > + if (page < end && page >= start) > > + return true; > > + > > + /* Check the other boot partition starting from the second-last partition */ > > s/boot partition/boot partitions > > > + for (i = host->nr_boot_partitions - 2; i >= 0; i--) { > > + boot_partition = &host->boot_partitions[i]; > > + start = boot_partition->page_offset; > > + end = start + boot_partition->page_size; > > + > > + if (page < end && page >= start) > > + return true; > > + } > > + > > + return false; > > +} > > + > > +static void > > +qcom_nandc_codeword_fixup(struct qcom_nand_host *host, int page) > > As like other functions, please align the function on the same line > > > +{ > > + bool codeword_fixup = qcom_nandc_is_boot_partition(host, page); > > + > > + /* Skip conf write if we are already in the correct mode */ > > + if (codeword_fixup == host->codeword_fixup) > > + return; > > + > > + host->codeword_fixup = codeword_fixup; > > + > > + host->cw_data = codeword_fixup ? 512 : 516; > > + host->spare_bytes = host->cw_size - host->ecc_bytes_hw - > > + host->bbm_size - host->cw_data; > > + > > + host->cfg0 &= ~(SPARE_SIZE_BYTES_MASK | UD_SIZE_BYTES_MASK); > > + host->cfg0 |= host->spare_bytes << SPARE_SIZE_BYTES | > > + host->cw_data << UD_SIZE_BYTES; > > + > > + host->ecc_bch_cfg &= ~ECC_NUM_DATA_BYTES_MASK; > > + host->ecc_bch_cfg |= host->cw_data << ECC_NUM_DATA_BYTES; > > + host->ecc_buf_cfg = (host->cw_data - 1) << NUM_STEPS; > > +} > > [...] > > > +static int qcom_nand_host_parse_boot_partitions(struct qcom_nand_controller *nandc, > > + struct qcom_nand_host *host, > > + struct device_node *dn) > > +{ > > + struct nand_chip *chip = &host->chip; > > + struct mtd_info *mtd = nand_to_mtd(chip); > > + struct qcom_nand_boot_partition *boot_partition; > > + struct device *dev = nandc->dev; > > + int partitions_count, i, j, ret; > > + > > + if (!of_find_property(dn, "qcom,boot-partitions", NULL)) > > + return 0; > > + > > + partitions_count = of_property_count_u32_elems(dn, "qcom,boot-partitions"); > > + if (partitions_count <= 0) { > > + dev_err(dev, "Error parsing boot partition\n"); > > + if (partitions_count == 0) > > + return -EINVAL; > > + else > > + return partitions_count; > > return partitions_count ? partitions_count : -EINVAL; > > Thanks, > Mani > > -- > மணிவண்ணன் சதாசிவம் -- Ansuel 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 058AECCA47F for ; Wed, 15 Jun 2022 17:29:47 +0000 (UTC) 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: Subject:Cc:To:From:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zW0+S6IxRSgVpDHX+Wu1ZNnktvu2C7BfsaUBoxpZkZ8=; b=JFdcAHvUMWG/0T ZDVZsTW8cOuib/fMYliLE6/OYzvnDN+xfDikNl7hXy+BAiUFfU73JFNKG2kVMDdaFp310CkqdKYsU 8TAdFmPu/LE6xR8Nrw5Q/zXCmM488Iy7ArdWut1MCRbRhs97N8CP1eHon+rBNq6W/14iVFcExR26s F/BmSZAkdFP1rX0Jt1jMMkb1iSG1SXzelbRk3cohAU0aqX/qYdzTBraOVexgGewMAAYn7nKtxiUSy bO1iH6QGIfIjBP+RjnY4eJSXVg4YRv/1IGjRHmhcQ8ail09zVC9tCZabHUq8eNpKNkZGZHzwMqFlZ 6AOioHJc5L7V+uAj/vhA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o1Wpo-00FhPP-6h; Wed, 15 Jun 2022 17:29:40 +0000 Received: from mail-wm1-x331.google.com ([2a00:1450:4864:20::331]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o1Wpi-00FhJj-GY for linux-mtd@lists.infradead.org; Wed, 15 Jun 2022 17:29:36 +0000 Received: by mail-wm1-x331.google.com with SMTP id e5so6706766wma.0 for ; Wed, 15 Jun 2022 10:29:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:from:to:cc:subject:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=0mmtAiGES9hy6GbZr6mj1I/9d7FHTjal/1dcnEoMib4=; b=d/ZM+qkibzc1FPpQIVKOPEDkTrF02xlafmgh2XMchXaJDbGefaV7FPRiq9MMt1jujY 6nuFUGuuXLbLBgp76pCx/O2r4cIN+CtcNgwKZwpVdzekFdRFqDd7O32A7p8UVj/A62n2 Xs6cMKvcbN5gyfoMnqEqagWnM3EnMXZvedk5xE7YpROhUtP/QqXRbL8czsAjvcFJvXuX QANMtQIxUbMg9ZIuPF5DMRMVZ1WQzcr+DX0meZ2TE8KHPIMPWE1d0RQxcFL/aheiGAh7 jGGq9WheLGjRcC8FMRMWntkV4+X+jwEX9ITHj/a+kk694HVt/sU0fLCfSXmpuPfrVLhf 7FLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:from:to:cc:subject:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=0mmtAiGES9hy6GbZr6mj1I/9d7FHTjal/1dcnEoMib4=; b=l3fClkIvNgRtnytcD/ma5LkeaRtWo94UyOUacSh1Q5dxHdoQVCGNgsYgwDAHaTRfwp BLP0E0tuE6zQ3keS0QcCkyDtyLQNawxtFWrGYWWDcfUyf7FKd9PYHOF40fdRPO6skaqt 5tjqPweSwGBZUuqkXt9fUyu9zl1ShOvmoll/RwgmSPzcpduXw/2BctX3EMySe5QPUmjk s38xexTZH0ehuH9jTK991476PJzqR2HnpdzAWhmnPi3cYI1pLI9YLXv+mTXHUWGNdE6t KrgHL6ZdKYMHIEgDx2M/7iHzaVO3S/mNOKRq5vcHi0+t/0pUIROhtJt588dTqyQHfD6Z MpSQ== X-Gm-Message-State: AJIora+Smjx4Rq+P6K0vG3ahuoLXnMwXjhyeUOFq4Otk9mD/hNsBYPrW qHP9nIkkWR6yd1nFv5KSW8s= X-Google-Smtp-Source: AGRyM1u6SrzeH7qCFw4qlFWwaZs3p9N6OsL/H2wxtO516NhvYU71hXSl0/p2IYSj34r7su/3P5K8qA== X-Received: by 2002:a05:600c:4e51:b0:39c:4f18:4c29 with SMTP id e17-20020a05600c4e5100b0039c4f184c29mr537734wmq.101.1655314166756; Wed, 15 Jun 2022 10:29:26 -0700 (PDT) Received: from Ansuel-xps. (93-42-70-190.ip85.fastwebnet.it. [93.42.70.190]) by smtp.gmail.com with ESMTPSA id t1-20020a5d6a41000000b00218468314d7sm15298550wrw.62.2022.06.15.10.29.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jun 2022 10:29:26 -0700 (PDT) Message-ID: <62aa16f6.1c69fb81.816fc.be7a@mx.google.com> X-Google-Original-Message-ID: Date: Wed, 15 Jun 2022 18:35:26 +0200 From: Ansuel Smith To: Manivannan Sadhasivam Cc: Andy Gross , Bjorn Andersson , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , linux-mtd@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 2/3] mtd: nand: raw: qcom_nandc: add support for unprotected spare data pages References: <20220615000612.3119-1-ansuelsmth@gmail.com> <20220615000612.3119-3-ansuelsmth@gmail.com> <20220615172802.GB3606@thinkpad> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220615172802.GB3606@thinkpad> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220615_102934_608057_7A329E27 X-CRM114-Status: GOOD ( 42.34 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org T24gV2VkLCBKdW4gMTUsIDIwMjIgYXQgMTA6NTg6MDJQTSArMDUzMCwgTWFuaXZhbm5hbiBTYWRo YXNpdmFtIHdyb3RlOgo+IE9uIFdlZCwgSnVuIDE1LCAyMDIyIGF0IDAyOjA2OjExQU0gKzAyMDAs IEFuc3VlbCBTbWl0aCB3cm90ZToKPiA+IElQUTgwNjQgbmFuZCBoYXZlIHNwZWNpYWwgcGFnZXMg d2hlcmUgYSBkaWZmZXJlbnQgbGF5b3V0IHNjaGVtZSBpcyB1c2VkLgo+ID4gVGhlc2Ugc3BlY2lh bCBwYWdlIGFyZSB1c2VkIGJ5IGJvb3QgcGFydGl0aW9uIGFuZCBvbiByZWFkaW5nIHRoZW0KPiA+ IGxvdHMgb2Ygd2FybmluZyBhcmUgcmVwb3J0ZWQgYWJvdXQgd3JvbmcgRUNDIGRhdGEgYW5kIGlm IHdyaXR0ZW4gdG8KPiA+IHJlc3VsdHMgaW4gYnJva2VuIGRhdGEgYW5kIG5vdCBib290YWJsZSBk ZXZpY2UuCj4gPiAKPiA+IFRoZSBsYXlvdXQgc2NoZW1lIHVzZWQgYnkgdGhlc2Ugc3BlY2lhbCBw YWdlIGNvbnNpc3QgaW4gdXNpbmcgNTEyIGJ5dGVzCj4gPiBhcyB0aGUgY29kZXdvcmQgc2l6ZSAo ZXZlbiBmb3IgdGhlIGxhc3QgY29kZXdvcmQpIHdoaWxlIHdyaXRpbmcgdG8gQ0ZHMAo+ID4gcmVn aXN0ZXIuIFRoaXMgZm9yY2VzIHRoZSBOQU5EIGNvbnRyb2xsZXIgdG8gdW5wcm90ZWN0IHRoZSA0 IGJ5dGVzIG9mCj4gPiBzcGFyZSBkYXRhLgo+ID4gCj4gPiBTaW5jZSB0aGUga2VybmVsIGlzIHVu YXdhcmUgb2YgdGhpcyBkaWZmZXJlbnQgbGF5b3V0IGZvciB0aGVzZSBzcGVjaWFsCj4gPiBwYWdl LCBpdCBkb2VzIHRyeSB0byBwcm90ZWN0IHRoZSBzcGFyZSBkYXRhIHRvbyBkdXJpbmcgcmVhZC93 cml0ZSBhbmQKPiA+IHdhcm4gYWJvdXQgQ1JDIGVycm9ycy4KPiA+IAo+ID4gQWRkIHN1cHBvcnQg Zm9yIHRoaXMgYnkgcGVybWl0dGluZyB0aGUgdXNlciB0byBkZWNsYXJlIHRoZXNlIHNwZWNpYWwK PiA+IHBhZ2VzIGluIGR0cyBieSBkZWNsYXJpbmcgb2Zmc2V0IGFuZCBzaXplIG9mIHRoZSBwYXJ0 aXRpb24uIFRoZSBkcml2ZXIKPiA+IGludGVybmFsbHkgd2lsbCBjb252ZXJ0IHRoZXNlIHZhbHVl IHRvIG5hbmQgcGFnZXMuCj4gPiAKPiA+IE9uIHVzZXIgcmVhZC93cml0ZSB0aGUgcGFnZSBpcyBj aGVja2VkIGFuZCBpZiBpdCdzIGEgYm9vdCBwYWdlIHRoZQo+ID4gY29ycmVjdCBsYXlvdXQgaXMg dXNlZC4KPiA+IAo+ID4gU2lnbmVkLW9mZi1ieTogQW5zdWVsIFNtaXRoIDxhbnN1ZWxzbXRoQGdt YWlsLmNvbT4KPiAKPiBKdXN0IGEgZmV3IG5pdHBpY2tzIGJlbG93LiBXaXRoIHRob3NlIGZpeGVk LAo+IAo+IFJldmlld2VkLWJ5OiBNYW5pdmFubmFuIFNhZGhhc2l2YW0gPG1hbmlAa2VybmVsLm9y Zz4KPiAKPiBUaGFua3MsCj4gTWFuaQo+CgpTdXJlISBUaGFua3MgYSBsb3QgZm9yIHRoZSB2YXJp b3VzIHJldmlldy4gV2lsbCBzZW5kIHY4IHRoYXQgc2hvdWxkIGJlCnRoZSBmaW5hbCB2ZXJzaW9u LgoKPiA+IC0tLQo+ID4gIGRyaXZlcnMvbXRkL25hbmQvcmF3L3Fjb21fbmFuZGMuYyB8IDIwMyAr KysrKysrKysrKysrKysrKysrKysrKysrKysrKy0KPiA+ICAxIGZpbGUgY2hhbmdlZCwgMTk4IGlu c2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCj4gPiAKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJz L210ZC9uYW5kL3Jhdy9xY29tX25hbmRjLmMgYi9kcml2ZXJzL210ZC9uYW5kL3Jhdy9xY29tX25h bmRjLmMKPiA+IGluZGV4IGYyOTkwZDcyMTczMy4uMGRiZmUzMjg4OGZmIDEwMDY0NAo+ID4gLS0t IGEvZHJpdmVycy9tdGQvbmFuZC9yYXcvcWNvbV9uYW5kYy5jCj4gPiArKysgYi9kcml2ZXJzL210 ZC9uYW5kL3Jhdy9xY29tX25hbmRjLmMKPiAKPiBbLi4uXQo+IAo+ID4gK3N0YXRpYyBib29sIHFj b21fbmFuZGNfaXNfYm9vdF9wYXJ0aXRpb24oc3RydWN0IHFjb21fbmFuZF9ob3N0ICpob3N0LCBp bnQgcGFnZSkKPiA+ICt7Cj4gPiArCXN0cnVjdCBxY29tX25hbmRfYm9vdF9wYXJ0aXRpb24gKmJv b3RfcGFydGl0aW9uOwo+ID4gKwl1MzIgc3RhcnQsIGVuZDsKPiA+ICsJaW50IGk7Cj4gPiArCj4g PiArCS8qCj4gPiArCSAqIFNpbmNlIHRoZSBmcmVxdWVudCBhY2Nlc3Mgd2lsbCBiZSB0byB0aGUg bm9uLWJvb3QgcGFydGl0aW9ucyBsaWtlIHJvb3RmcywKPiA+ICsJICogb3B0aW1pemUgdGhlIHBh Z2UgY2hlY2sgYnk6Cj4gPiArCj4gCj4gTWlzc2luZyAiKiIKPiAKPiA+ICsJICogMS4gQ2hlY2tp bmcgaWYgdGhlIHBhZ2UgbGllcyBhZnRlciB0aGUgbGFzdCBib290IHBhcnRpdGlvbi4KPiA+ICsJ ICogMi4gQ2hlY2tpbmcgZnJvbSB0aGUgYm9vdCBwYXJ0aXRpb24gZW5kLgo+ID4gKwkgKi8KPiA+ ICsKPiA+ICsJLyogRmlyc3QgY2hlY2sgdGhlIGxhc3QgYm9vdCBwYXJ0aXRpb24gKi8KPiA+ICsJ Ym9vdF9wYXJ0aXRpb24gPSAmaG9zdC0+Ym9vdF9wYXJ0aXRpb25zW2hvc3QtPm5yX2Jvb3RfcGFy dGl0aW9ucyAtIDFdOwo+ID4gKwlzdGFydCA9IGJvb3RfcGFydGl0aW9uLT5wYWdlX29mZnNldDsK PiA+ICsJZW5kID0gc3RhcnQgKyBib290X3BhcnRpdGlvbi0+cGFnZV9zaXplOwo+ID4gKwo+ID4g KwkvKiBQYWdlIGlzIGFmdGVyIHRoZSBsYXN0IGJvb3QgcGFydGl0aW9uIGVuZC4gVGhpcyBpcyBO T1QgYSBib290IHBhcnRpdGlvbiAqLwo+ID4gKwlpZiAocGFnZSA+IGVuZCkKPiA+ICsJCXJldHVy biBmYWxzZTsKPiA+ICsKPiA+ICsJLyogQWN0dWFsbHkgY2hlY2sgaWYgaXQncyBhIGJvb3QgcGFy dGl0aW9uICovCj4gPiArCWlmIChwYWdlIDwgZW5kICYmIHBhZ2UgPj0gc3RhcnQpCj4gPiArCQly ZXR1cm4gdHJ1ZTsKPiA+ICsKPiA+ICsJLyogQ2hlY2sgdGhlIG90aGVyIGJvb3QgcGFydGl0aW9u IHN0YXJ0aW5nIGZyb20gdGhlIHNlY29uZC1sYXN0IHBhcnRpdGlvbiAqLwo+IAo+IHMvYm9vdCBw YXJ0aXRpb24vYm9vdCBwYXJ0aXRpb25zCj4gCj4gPiArCWZvciAoaSA9IGhvc3QtPm5yX2Jvb3Rf cGFydGl0aW9ucyAtIDI7IGkgPj0gMDsgaS0tKSB7Cj4gPiArCQlib290X3BhcnRpdGlvbiA9ICZo b3N0LT5ib290X3BhcnRpdGlvbnNbaV07Cj4gPiArCQlzdGFydCA9IGJvb3RfcGFydGl0aW9uLT5w YWdlX29mZnNldDsKPiA+ICsJCWVuZCA9IHN0YXJ0ICsgYm9vdF9wYXJ0aXRpb24tPnBhZ2Vfc2l6 ZTsKPiA+ICsKPiA+ICsJCWlmIChwYWdlIDwgZW5kICYmIHBhZ2UgPj0gc3RhcnQpCj4gPiArCQkJ cmV0dXJuIHRydWU7Cj4gPiArCX0KPiA+ICsKPiA+ICsJcmV0dXJuIGZhbHNlOwo+ID4gK30KPiA+ ICsKPiA+ICtzdGF0aWMgdm9pZAo+ID4gK3Fjb21fbmFuZGNfY29kZXdvcmRfZml4dXAoc3RydWN0 IHFjb21fbmFuZF9ob3N0ICpob3N0LCBpbnQgcGFnZSkKPiAKPiBBcyBsaWtlIG90aGVyIGZ1bmN0 aW9ucywgcGxlYXNlIGFsaWduIHRoZSBmdW5jdGlvbiBvbiB0aGUgc2FtZSBsaW5lCj4gCj4gPiAr ewo+ID4gKwlib29sIGNvZGV3b3JkX2ZpeHVwID0gcWNvbV9uYW5kY19pc19ib290X3BhcnRpdGlv bihob3N0LCBwYWdlKTsKPiA+ICsKPiA+ICsJLyogU2tpcCBjb25mIHdyaXRlIGlmIHdlIGFyZSBh bHJlYWR5IGluIHRoZSBjb3JyZWN0IG1vZGUgKi8KPiA+ICsJaWYgKGNvZGV3b3JkX2ZpeHVwID09 IGhvc3QtPmNvZGV3b3JkX2ZpeHVwKQo+ID4gKwkJcmV0dXJuOwo+ID4gKwo+ID4gKwlob3N0LT5j b2Rld29yZF9maXh1cCA9IGNvZGV3b3JkX2ZpeHVwOwo+ID4gKwo+ID4gKwlob3N0LT5jd19kYXRh ID0gY29kZXdvcmRfZml4dXAgPyA1MTIgOiA1MTY7Cj4gPiArCWhvc3QtPnNwYXJlX2J5dGVzID0g aG9zdC0+Y3dfc2l6ZSAtIGhvc3QtPmVjY19ieXRlc19odyAtCj4gPiArCQkJICAgIGhvc3QtPmJi bV9zaXplIC0gaG9zdC0+Y3dfZGF0YTsKPiA+ICsKPiA+ICsJaG9zdC0+Y2ZnMCAmPSB+KFNQQVJF X1NJWkVfQllURVNfTUFTSyB8IFVEX1NJWkVfQllURVNfTUFTSyk7Cj4gPiArCWhvc3QtPmNmZzAg fD0gaG9zdC0+c3BhcmVfYnl0ZXMgPDwgU1BBUkVfU0laRV9CWVRFUyB8Cj4gPiArCQkgICAgICBo b3N0LT5jd19kYXRhIDw8IFVEX1NJWkVfQllURVM7Cj4gPiArCj4gPiArCWhvc3QtPmVjY19iY2hf Y2ZnICY9IH5FQ0NfTlVNX0RBVEFfQllURVNfTUFTSzsKPiA+ICsJaG9zdC0+ZWNjX2JjaF9jZmcg fD0gaG9zdC0+Y3dfZGF0YSA8PCBFQ0NfTlVNX0RBVEFfQllURVM7Cj4gPiArCWhvc3QtPmVjY19i dWZfY2ZnID0gKGhvc3QtPmN3X2RhdGEgLSAxKSA8PCBOVU1fU1RFUFM7Cj4gPiArfQo+IAo+IFsu Li5dCj4gCj4gPiArc3RhdGljIGludCBxY29tX25hbmRfaG9zdF9wYXJzZV9ib290X3BhcnRpdGlv bnMoc3RydWN0IHFjb21fbmFuZF9jb250cm9sbGVyICpuYW5kYywKPiA+ICsJCQkJCQlzdHJ1Y3Qg cWNvbV9uYW5kX2hvc3QgKmhvc3QsCj4gPiArCQkJCQkJc3RydWN0IGRldmljZV9ub2RlICpkbikK PiA+ICt7Cj4gPiArCXN0cnVjdCBuYW5kX2NoaXAgKmNoaXAgPSAmaG9zdC0+Y2hpcDsKPiA+ICsJ c3RydWN0IG10ZF9pbmZvICptdGQgPSBuYW5kX3RvX210ZChjaGlwKTsKPiA+ICsJc3RydWN0IHFj b21fbmFuZF9ib290X3BhcnRpdGlvbiAqYm9vdF9wYXJ0aXRpb247Cj4gPiArCXN0cnVjdCBkZXZp Y2UgKmRldiA9IG5hbmRjLT5kZXY7Cj4gPiArCWludCBwYXJ0aXRpb25zX2NvdW50LCBpLCBqLCBy ZXQ7Cj4gPiArCj4gPiArCWlmICghb2ZfZmluZF9wcm9wZXJ0eShkbiwgInFjb20sYm9vdC1wYXJ0 aXRpb25zIiwgTlVMTCkpCj4gPiArCQlyZXR1cm4gMDsKPiA+ICsKPiA+ICsJcGFydGl0aW9uc19j b3VudCA9IG9mX3Byb3BlcnR5X2NvdW50X3UzMl9lbGVtcyhkbiwgInFjb20sYm9vdC1wYXJ0aXRp b25zIik7Cj4gPiArCWlmIChwYXJ0aXRpb25zX2NvdW50IDw9IDApIHsKPiA+ICsJCWRldl9lcnIo ZGV2LCAiRXJyb3IgcGFyc2luZyBib290IHBhcnRpdGlvblxuIik7Cj4gPiArCQlpZiAocGFydGl0 aW9uc19jb3VudCA9PSAwKQo+ID4gKwkJCXJldHVybiAtRUlOVkFMOwo+ID4gKwkJZWxzZQo+ID4g KwkJCXJldHVybiBwYXJ0aXRpb25zX2NvdW50Owo+IAo+IAkJcmV0dXJuIHBhcnRpdGlvbnNfY291 bnQgPyBwYXJ0aXRpb25zX2NvdW50IDogLUVJTlZBTDsKPiAKPiBUaGFua3MsCj4gTWFuaQo+IAo+ IC0tIAo+IOCuruCuo+Cuv+CuteCuo+CvjeCuo+CuqeCvjSDgrprgrqTgrr7grprgrr/grrXgrq7g r40KCi0tIAoJQW5zdWVsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KTGludXggTVREIGRpc2N1c3Npb24gbWFpbGluZyBsaXN0Cmh0dHA6Ly9s aXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbXRkLwo=