From patchwork Thu Sep 29 23:27:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 12996230 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 0B1A0C32771 for ; Sat, 1 Oct 2022 01:14:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232820AbiJABOY (ORCPT ); Fri, 30 Sep 2022 21:14:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232465AbiJABOU (ORCPT ); Fri, 30 Sep 2022 21:14:20 -0400 Received: from post.baikalelectronics.com (post.baikalelectronics.com [213.79.110.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 1C1E31262D; Fri, 30 Sep 2022 18:14:12 -0700 (PDT) Received: from post.baikalelectronics.com (localhost.localdomain [127.0.0.1]) by post.baikalelectronics.com (Proxmox) with ESMTP id 46568E0ECA; Fri, 30 Sep 2022 02:27:32 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= baikalelectronics.ru; h=cc:cc:content-transfer-encoding :content-type:content-type:date:from:from:in-reply-to:message-id :mime-version:references:reply-to:subject:subject:to:to; s=post; bh=Jg6A2tfxOzNgGT4avwsXtljvj9hjtMePgR4Isdw42jc=; b=Kgenq2VZ6ec5 P+yJvszCIqACL5/FK26zFAc5yAkNPwJZbbdhXxZYXd5S0z1h7hOIgkY2F04/bFjs RnppGGYzsbsAX0lZ+WboifDc+O8POZKaNkvVDHhlTU/0Rlvx14S4OnUo+1TvCY9c fmALpnmnzAHLm1IEfehwvouuqAduTDk= Received: from mail.baikal.int (mail.baikal.int [192.168.51.25]) by post.baikalelectronics.com (Proxmox) with ESMTP id 35A47E0E6B; Fri, 30 Sep 2022 02:27:32 +0300 (MSK) Received: from localhost (192.168.168.10) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 30 Sep 2022 02:27:33 +0300 From: Serge Semin To: Michal Simek , Borislav Petkov , Mauro Carvalho Chehab , Tony Luck , James Morse , Robert Richter CC: Serge Semin , Serge Semin , Alexey Malahov , Michail Ivanov , Pavel Parkhomenko , Punnaiah Choudary Kalluri , Manish Narani , Dinh Nguyen , Rob Herring , Krzysztof Kozlowski , Rob Herring , Krzysztof Kozlowski , , , , Subject: [PATCH RESEND v3 12/17] EDAC/mc: Init DIMM labels in MC registration method Date: Fri, 30 Sep 2022 02:27:07 +0300 Message-ID: <20220929232712.12202-13-Sergey.Semin@baikalelectronics.ru> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220929232712.12202-1-Sergey.Semin@baikalelectronics.ru> References: <20220929232712.12202-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-Originating-IP: [192.168.168.10] X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org As a preparation before adding the unique MC index allocation procedure we need to move the DIMM labels initialization to the memory controller registration method. It's required because the labels contain the MC index as the "mc%u" part of the string, which in case of the auto-generated index isn't available at the moment of the MCI/csrow/dimms descriptor allocation. So nothing complex is done here. Just move the labels initialization from edac_mc_alloc_dimms() to the dedicated method edac_mc_init_labels() and call it from edac_mc_add_mc_with_groups(). Signed-off-by: Serge Semin --- drivers/edac/edac_mc.c | 48 +++++++++++++++++++++++++++--------------- 1 file changed, 31 insertions(+), 17 deletions(-) diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 6faeb2ab3960..24814839d885 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -256,7 +256,6 @@ static int edac_mc_alloc_dimms(struct mem_ctl_info *mci) unsigned int pos[EDAC_MAX_LAYERS]; unsigned int row, chn, idx; int layer; - void *p; /* * Allocate and fill the dimm structs @@ -271,7 +270,6 @@ static int edac_mc_alloc_dimms(struct mem_ctl_info *mci) for (idx = 0; idx < mci->tot_dimms; idx++) { struct dimm_info *dimm; struct rank_info *chan; - int n, len; chan = mci->csrows[row]->channels[chn]; @@ -282,22 +280,9 @@ static int edac_mc_alloc_dimms(struct mem_ctl_info *mci) dimm->mci = mci; dimm->idx = idx; - /* - * Copy DIMM location and initialize it. - */ - len = sizeof(dimm->label); - p = dimm->label; - n = scnprintf(p, len, "mc#%u", mci->mc_idx); - p += n; - len -= n; - for (layer = 0; layer < mci->n_layers; layer++) { - n = scnprintf(p, len, "%s#%u", - edac_layer_name[mci->layers[layer].type], - pos[layer]); - p += n; - len -= n; + /* Copy DIMM location */ + for (layer = 0; layer < mci->n_layers; layer++) dimm->location[layer] = pos[layer]; - } /* Link it to the csrows old API data */ chan->dimm = dimm; @@ -510,6 +495,33 @@ void edac_mc_reset_delay_period(unsigned long value) +/** + * edac_mc_init_labels() - Initialize DIMM labels + * + * @mci: pointer to the mci structure which DIMM labels need to be initialized + * + * .. note:: + * locking model: must be called with the mem_ctls_mutex lock held + */ +static void edac_mc_init_labels(struct mem_ctl_info *mci) +{ + int n, len, layer; + unsigned int idx; + char *p; + + for (idx = 0; idx < mci->tot_dimms; idx++) { + len = sizeof(mci->dimms[idx]->label); + p = mci->dimms[idx]->label; + + n = scnprintf(p, len, "mc#%u", mci->mc_idx); + for (layer = 0; layer < mci->n_layers; layer++) { + n += scnprintf(p + n, len - n, "%s#%u", + edac_layer_name[mci->layers[layer].type], + mci->dimms[idx]->location[layer]); + } + } +} + /* Return 0 on success, 1 on failure. * Before calling this function, caller must * assign a unique value to mci->mc_idx. @@ -637,6 +649,8 @@ int edac_mc_add_mc_with_groups(struct mem_ctl_info *mci, goto fail0; } + edac_mc_init_labels(mci); + if (add_mc_to_global_list(mci)) goto fail0;