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 C9F0BC433EF for ; Thu, 27 Jan 2022 20:42:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344190AbiA0UmO (ORCPT ); Thu, 27 Jan 2022 15:42:14 -0500 Received: from mail-co1nam11on2062.outbound.protection.outlook.com ([40.107.220.62]:58319 "EHLO NAM11-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1344120AbiA0Ulv (ORCPT ); Thu, 27 Jan 2022 15:41:51 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=J+f8crMAKGBHT0Bdqkx6y1KQuIz8KXoda3l9WsWtgXrNCnQGN2+FB0wouBLUZRaOuekhAxoJfAP075hqbyfftWCEorhlU15EGFqACWwChdBqM8Io9HPw1Lq12QnSvkwXuZf8utu9keekhVDwhGIoFrSQbG79tLMknGm6ZOZCOheTHL/qqZ9AWQbyF5IMQZOwlx1kFn29/ltTSn8DFsZW333+OurOhSViHoTpHqCxJ3ogXm3LeF0i0TG+w8RJSmskypJMR66jDjSE5CrRqsMO12PiKuoxaXg+wRZm0DXz9sHuAvX6bWWlNNhopXHIMzTsYuyQ9KPGbJINnvtpYac5ng== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=18USAuhqdwQEqtpE2BcndsWE6n6AOxUla4I5EsQvU/A=; b=c0uuNWjROXA20CfSp10T0SQPB9ePSgxkeNvphn/LExqkkGdK/Od8m4PgGa9+EQgufbcxf+6NufLHGyVLQo+BANHNMK6FzeCtkCUhJxdazdzM+2NI8fmZdFB5/s3qMS+yajBnK2MlPB6p/yua+nAZ2QjafFhO9UYuHZI8Bk2f7iSNTmk8XdLl6OMXUqH7Gbrb5NZCBCX4aXecXFawzYwhlW+Kh8iiztJyUNSEUqeSk/AyKGP652K9+TffgBTwu0WwHu6GNVJT6uTQKCCkNWLguVxxND17Etw+Sif6iRffn8yjfK90Xj4KhlWOCa6Uj9yfunpTu5etVFK3xL8kKlLXlQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=18USAuhqdwQEqtpE2BcndsWE6n6AOxUla4I5EsQvU/A=; b=D2CTwvxQ8S1Mlxj56jq/OBtBvfjXkc/0FjaUGwFWAX/lBhz0274d2GGF8Din94/tPnkFHgsQdBwAw2v0jjKnoUDwYzAFh2ua0kifW3buvgoFwXyp+Kdy2KJYSro+1Y/AlQqGMHAJErK5CVGfmJ3yhMFySa2+FH9wYDIoqMp469o= Received: from MWHPR17CA0090.namprd17.prod.outlook.com (2603:10b6:300:c2::28) by DM5PR12MB2519.namprd12.prod.outlook.com (2603:10b6:4:b5::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4930.17; Thu, 27 Jan 2022 20:41:49 +0000 Received: from CO1NAM11FT028.eop-nam11.prod.protection.outlook.com (2603:10b6:300:c2:cafe::aa) by MWHPR17CA0090.outlook.office365.com (2603:10b6:300:c2::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4930.15 via Frontend Transport; Thu, 27 Jan 2022 20:41:49 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1NAM11FT028.mail.protection.outlook.com (10.13.175.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4930.15 via Frontend Transport; Thu, 27 Jan 2022 20:41:49 +0000 Received: from yaz-ethanolx.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.18; Thu, 27 Jan 2022 14:41:43 -0600 From: Yazen Ghannam To: CC: , , , , , , , Yazen Ghannam Subject: [PATCH v4 16/24] EDAC/amd64: Define function to make space for CS ID Date: Thu, 27 Jan 2022 20:41:07 +0000 Message-ID: <20220127204115.384161-17-yazen.ghannam@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220127204115.384161-1-yazen.ghannam@amd.com> References: <20220127204115.384161-1-yazen.ghannam@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 7a0c4294-6e42-44a3-0497-08d9e1d57157 X-MS-TrafficTypeDiagnostic: DM5PR12MB2519:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 5cYPoqNRTDuWKk1dNi1BQKWAS3cTWuylvGrkU+1xKEIJ0mlshi6KAv420pjsJTdv7K0DXpPnKzaoQXa/6MspZXJJGJNlR+nW5id6L/48YWA5//ybCfSgxbxgU0jh/40ZIqS8D8v7rqPd+dwryNm0Lr4f/wJm3P75XwUA7iVkUH5rD1lB54UOAuJiuEjBfSkZSGDhnearYDLaSTGWtsA9XAk1k70uO1CkG/XtGi48b85DZikT4nfk9sIKdwZqMqad7Itl13aoggDf4Z+O7/d69gn8JHrwdjT98HiAZVvxAkMF/7kZUYY+XvFO2qdxiez8SxbtZl4sluqSzAagUZAL1E8zKCcvLK4j4epnhQWubfXgC/QclG+5YJ7uCQGZ1BBPWkUyrVxQHWFMPfS5O0IKkMDOLxxASA/gSdFE38PowBnKjca9tmhh0sWV1QNVaqDbhec60YoFNos2iNcl9ZJtSc6wZGjzdHjLxbA2By3bXMnhnYYgSuhwk7BxwOlPfsSN9gv+I6JzDK89s7Qjaf68iZCWjP06i9PP9zKGVAUv46igV/nYRYCb1D6qv6VKUwKqQJeiYx0S65TMBK8rLQQii9RwqNtWPdBfmUEvg8u00xV3qA7q4REDQT30sGfaSskxvL440GNs+cC9fFQW3GbADL6rqmIntcbyb7FtGKpKc4KcaEabC0rCOK3tVq+iAGqb32XEZOAgKSrYhxMpwsrlYOk5i1HP8Z/WvFEELBzINFpOiCCu+vp1V3rcNKFUjfM/axaIhzPV0z/7pCP/h6DvWk5NfyZEldJEHnpABzq/xxE= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230001)(4636009)(40470700004)(36840700001)(46966006)(8676002)(8936002)(70206006)(4326008)(70586007)(36860700001)(86362001)(316002)(356005)(5660300002)(36756003)(81166007)(2906002)(44832011)(40460700003)(54906003)(426003)(336012)(6916009)(82310400004)(47076005)(26005)(966005)(7696005)(6666004)(2616005)(508600001)(186003)(1076003)(16526019)(83380400001)(36900700001)(20210929001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2022 20:41:49.3416 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7a0c4294-6e42-44a3-0497-08d9e1d57157 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT028.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB2519 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Move code that makes a gap for the CS ID into a separate helper function. The exact bits to use vary based on interleaving mode. New interleaving modes in future DF versions will be added as new cases. Also, introduce a helper function that does the bit manipulation to make the gap. The current version of this function is "simple", and future interleaving modes may reuse this or use a more advanced function. Signed-off-by: Yazen Ghannam --- Link: https://lore.kernel.org/r/20211028175728.121452-22-yazen.ghannam@amd.com v3->v4: * Added glossary entry. v2->v3: * Was patch 22 in v2. v1->v2: * Moved from arch/x86 to EDAC. * Added new function pointer to ctx struct. drivers/edac/amd64_edac.c | 38 ++++++++++++++++++++++++++++++-------- 1 file changed, 30 insertions(+), 8 deletions(-) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index c3342f0bec45..f5b1902e04ac 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -991,6 +991,7 @@ static int sys_addr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr) /* * Glossary of acronyms used in address translation for Zen-based systems * + * CS = Coherent Slave * DF = Data Fabric */ @@ -1081,6 +1082,7 @@ struct addr_ctx { u8 intlv_num_sockets; u8 cs_id; int (*dehash_addr)(struct addr_ctx *ctx); + void (*make_space_for_cs_id)(struct addr_ctx *ctx); }; struct data_fabric_ops { @@ -1090,6 +1092,29 @@ struct data_fabric_ops { void (*get_intlv_num_sockets)(struct addr_ctx *ctx); }; +static void expand_bits(u8 start_bit, u8 num_bits, u64 *value) +{ + u64 temp1, temp2; + + if (start_bit == 0) { + *value <<= num_bits; + return; + } + + temp1 = *value & GENMASK_ULL(start_bit - 1, 0); + temp2 = (*value & GENMASK_ULL(63, start_bit)) << num_bits; + *value = temp1 | temp2; +} + +static void make_space_for_cs_id_simple(struct addr_ctx *ctx) +{ + u8 num_intlv_bits = ctx->intlv_num_chan; + + num_intlv_bits += ctx->intlv_num_dies; + num_intlv_bits += ctx->intlv_num_sockets; + expand_bits(ctx->intlv_addr_bit, num_intlv_bits, &ctx->ret_addr); +} + static u64 get_hi_addr_offset_df2(struct addr_ctx *ctx) { return (ctx->reg_dram_offset & GENMASK_ULL(31, 20)) << 8; @@ -1120,6 +1145,8 @@ static int get_intlv_mode_df2(struct addr_ctx *ctx) ctx->dehash_addr = dehash_addr_df2; } + ctx->make_space_for_cs_id = make_space_for_cs_id_simple; + if (ctx->intlv_mode != NONE && ctx->intlv_mode != NOHASH_2CH && ctx->intlv_mode != DF2_HASH_2CH) @@ -1247,13 +1274,11 @@ static int denormalize_addr(struct addr_ctx *ctx) df_ops->get_intlv_num_dies(ctx); df_ops->get_intlv_num_sockets(ctx); - num_intlv_bits = ctx->intlv_num_chan; - num_intlv_bits += ctx->intlv_num_dies; - num_intlv_bits += ctx->intlv_num_sockets; + ctx->make_space_for_cs_id(ctx); if (num_intlv_bits > 0) { - u64 temp_addr_x, temp_addr_i, temp_addr_y; u8 die_id_bit, sock_id_bit, cs_fabric_id; + u64 temp_addr_i; /* * Read FabricBlockInstanceInformation3_CS[BlockFabricID]. @@ -1308,11 +1333,8 @@ static int denormalize_addr(struct addr_ctx *ctx) * bits there are. "intlv_addr_bit" tells us how many "Y" bits * there are (where "I" starts). */ - temp_addr_y = ctx->ret_addr & GENMASK_ULL(ctx->intlv_addr_bit - 1, 0); temp_addr_i = (ctx->cs_id << ctx->intlv_addr_bit); - temp_addr_x = (ctx->ret_addr & GENMASK_ULL(63, ctx->intlv_addr_bit)) - << num_intlv_bits; - ctx->ret_addr = temp_addr_x | temp_addr_i | temp_addr_y; + ctx->ret_addr |= temp_addr_i; } return 0; -- 2.25.1