From patchwork Tue Apr 30 09:22:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Richter X-Patchwork-Id: 13648619 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on2071.outbound.protection.outlook.com [40.107.92.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 01CA41CB31A; Tue, 30 Apr 2024 09:22:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.92.71 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714468973; cv=fail; b=FQfvLYv8nFY6i35ymtbfhB69/urv9b2f0H3tK5aH/7ATqxuCJhh3zitP7Jn2LycP4qoUCTUwqOSSQdk49iYh3GiwnLoSyiJps0AiqA8u24+8oShNnK6O/gIwdBrq3UDZqIavzd7J090xV9OyEuWZ0p6IKrrca/iD35Rz2dHdPJs= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714468973; c=relaxed/simple; bh=xu0ScFGHprQXGjeUjrlrMdsxsUwApZ59SWPq1CbOlj8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=rzWLl1KgeYi/g8l5h4otbS2a5EDJX5XkgT4Oa6qkzXqHHhdwyu1lUO+dx6/Oio50C8uCS+NvA+Z1M2pGhY5PF8ipC7K8gEaQ9TMSwVxRB6ZvkUuk6e8ptb5sE42QSW2/Knkyq8sjFynxoivaRoJigZAX2canukxCqErDgUsik/o= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=bavQ0b/r; arc=fail smtp.client-ip=40.107.92.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="bavQ0b/r" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=QKZUsnuvFjyoKzYTMx7HvEEKt7Kx16TqZY6QVgHCVtpJMcKL8QwOAD92vGYFaE3gelQ6o7FIXq9ZTsB4AYBsHTMdJZCqXr4bp2ricDmefIae0hBb81w60bO4DVQLWBpdKeyWJIWOCZvBGFTbcAH5WCM5Vs1k+J0VwledowQ6RdQJ2PvEYakZ1PQAOY+KQFNY9L90yr1N40DWBzymFdoM0wYo++PaQA6F33sRaybyPwY3pb/FKkm4IGlS1M63Mq82jtfPDBLNzRnNIpN1HLxm4kln+NnPdyw9boEflDU57/7SUIKTRHLhu5tj4Wcns9cB8yAWYBTX2SWuZ9xIJ+/l/A== 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=auFNcIrPvH7HK9lxyY6YgTh7dndOSGd2/26TlLLxI9s=; b=Z2XaFPssE6NJ6nAHFCl/A7O2vCrHGcfBUtaAGBFMKlM2+13TyhjUPZJlWo8pZ63IHSHzOa5hAzq3tcnKwcblZVTOmM+qc1BRmgGmxfmKDtzAiRnwEd09sGT1hcpdKYf/NXfeTcRDN+HHSnc1qtwN7MHbHuktM6xOof3MOX7846N3qG3q+CTdt8X/UgDg+1YiSVyVU0nPpGHpHhYN+n9E4Ief/zmJVkVHbckS85ukrU9lKyLzePz3sRJ7YwshgvaTe8eLFwiy/G85AZCAQvR0tCQauJ2GykVKAbXLHmzcKfsw6rzGBNgckqmKaTfuUAxFTnIOntxvM+csy2MFVkpUkw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=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 (0) 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=auFNcIrPvH7HK9lxyY6YgTh7dndOSGd2/26TlLLxI9s=; b=bavQ0b/rBMV5p0/2f5j9eZYKpWwWV/IWIs8P4TxzIJPaJVO8VoaxjDwmVzUOulxIOB7CTaTkRPyOWHsR/n/Jqx3BGOpBFBWpnjnDr189+pEYZCjzAXH6R+PmPcRpLUVCdNnM24iWWlYaWdme4CTORH8b8hgR+cqh7r1bYRfAr+s= Received: from PH0PR07CA0111.namprd07.prod.outlook.com (2603:10b6:510:4::26) by DM4PR12MB6616.namprd12.prod.outlook.com (2603:10b6:8:8e::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7519.35; Tue, 30 Apr 2024 09:22:49 +0000 Received: from CY4PEPF0000EDD0.namprd03.prod.outlook.com (2603:10b6:510:4:cafe::e9) by PH0PR07CA0111.outlook.office365.com (2603:10b6:510:4::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7519.36 via Frontend Transport; Tue, 30 Apr 2024 09:22:47 +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; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CY4PEPF0000EDD0.mail.protection.outlook.com (10.167.241.204) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7544.18 via Frontend Transport; Tue, 30 Apr 2024 09:22:47 +0000 Received: from rric.localdomain (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 15.1.2507.35; Tue, 30 Apr 2024 04:22:43 -0500 From: Robert Richter To: "Rafael J. Wysocki" CC: Dave Hansen , Dan Williams , Alison Schofield , , , , Robert Richter , Len Brown Subject: [PATCH v6 7/7] ACPI/NUMA: Print CXL Early Discovery Table (CEDT) Date: Tue, 30 Apr 2024 11:22:00 +0200 Message-ID: <20240430092200.2335887-8-rrichter@amd.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240430092200.2335887-1-rrichter@amd.com> References: <20240430092200.2335887-1-rrichter@amd.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EDD0:EE_|DM4PR12MB6616:EE_ X-MS-Office365-Filtering-Correlation-Id: 3bddaab9-30b2-475d-ec35-08dc68f71954 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|1800799015|376005|82310400014|36860700004; X-Microsoft-Antispam-Message-Info: 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 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:(13230031)(1800799015)(376005)(82310400014)(36860700004);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Apr 2024 09:22:47.0037 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3bddaab9-30b2-475d-ec35-08dc68f71954 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: CY4PEPF0000EDD0.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6616 The CEDT contains similar entries as the SRAT. For diagnostic reasons print the CEDT same style as the SRAT. Signed-off-by: Robert Richter Reviewed-by: Alison Schofield --- drivers/acpi/numa/srat.c | 111 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 111 insertions(+) diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c index 34ecf2dc912f..fa21d4d5fccf 100644 --- a/drivers/acpi/numa/srat.c +++ b/drivers/acpi/numa/srat.c @@ -320,6 +320,114 @@ acpi_parse_memory_affinity(union acpi_subtable_headers *header, return 0; } +static int __init +__acpi_table_print_cedt_entry(union acpi_subtable_headers *__header, + void *arg, const unsigned long table_end) +{ + struct acpi_cedt_header *header = (struct acpi_cedt_header *)__header; + + switch (header->type) { + case ACPI_CEDT_TYPE_CHBS: + { + struct acpi_cedt_chbs *p = + (struct acpi_cedt_chbs *)header; + + if (header->length < sizeof(struct acpi_cedt_chbs)) { + pr_warn("CEDT: unsupported CHBS entry: size %d\n", + header->length); + break; + } + + pr_debug("CEDT: CHBS (0x%llx length 0x%llx uid %lu) %s (%d)\n", + (unsigned long long)p->base, + (unsigned long long)p->length, + (unsigned long)p->uid, + (p->cxl_version == ACPI_CEDT_CHBS_VERSION_CXL11) ? + "cxl11" : + (p->cxl_version == ACPI_CEDT_CHBS_VERSION_CXL20) ? + "cxl20" : + "unsupported version", + p->cxl_version); + } + break; + case ACPI_CEDT_TYPE_CFMWS: + { + struct acpi_cedt_cfmws *p = + (struct acpi_cedt_cfmws *)header; + int eiw_to_ways[] = {1, 2, 4, 8, 16, 3, 6, 12}; + int targets = -1; + + if (header->length < sizeof(struct acpi_cedt_cfmws)) { + pr_warn("CEDT: unsupported CFMWS entry: size %d\n", + header->length); + break; + } + + if (p->interleave_ways < ARRAY_SIZE(eiw_to_ways)) + targets = eiw_to_ways[p->interleave_ways]; + if (header->length < struct_size( + p, interleave_targets, targets)) + targets = -1; + + pr_debug("CEDT: CFMWS (0x%llx length 0x%llx) with %d target%s", + (unsigned long long)p->base_hpa, + (unsigned long long)p->window_size, + targets, targets > 1 ? "s" : ""); + for (int i = 0; i < targets; i++) + pr_cont("%s%lu", i ? ", " : " (", + (unsigned long)p->interleave_targets[i]); + pr_cont("%s%s%s%s%s%s\n", + targets > 0 ? ")" : "", + (p->restrictions & ACPI_CEDT_CFMWS_RESTRICT_TYPE2) ? + " type2" : "", + (p->restrictions & ACPI_CEDT_CFMWS_RESTRICT_TYPE3) ? + " type3" : "", + (p->restrictions & ACPI_CEDT_CFMWS_RESTRICT_VOLATILE) ? + " volatile" : "", + (p->restrictions & ACPI_CEDT_CFMWS_RESTRICT_PMEM) ? + " pmem" : "", + (p->restrictions & ACPI_CEDT_CFMWS_RESTRICT_FIXED) ? + " fixed" : ""); + } + break; + case ACPI_CEDT_TYPE_CXIMS: + { + struct acpi_cedt_cxims *p = + (struct acpi_cedt_cxims *)header; + + if (header->length < sizeof(struct acpi_cedt_cxims)) { + pr_warn("CEDT: unsupported CXIMS entry: size %d\n", + header->length); + break; + } + + pr_debug("CEDT: CXIMS (hbig %u nr_xormaps %u)\n", + (unsigned int)p->hbig, + (unsigned int)p->nr_xormaps); + } + break; + default: + pr_warn("CEDT: Found unsupported entry (type = 0x%x)\n", + header->type); + break; + } + + return 0; +} + +static void __init acpi_table_print_cedt_entry(enum acpi_cedt_type id) +{ + acpi_table_parse_cedt(id, __acpi_table_print_cedt_entry, NULL); +} + +static void __init acpi_table_print_cedt(void) +{ + /* Print only implemented CEDT types */ + acpi_table_print_cedt_entry(ACPI_CEDT_TYPE_CHBS); + acpi_table_print_cedt_entry(ACPI_CEDT_TYPE_CFMWS); + acpi_table_print_cedt_entry(ACPI_CEDT_TYPE_CXIMS); +} + static int __init acpi_parse_cfmws(union acpi_subtable_headers *header, void *arg, const unsigned long table_end) { @@ -518,6 +626,9 @@ int __init acpi_numa_init(void) /* SLIT: System Locality Information Table */ acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit); + /* CEDT: CXL Early Discovery Table */ + acpi_table_print_cedt(); + /* * CXL Fixed Memory Window Structures (CFMWS) must be parsed * after the SRAT. Create NUMA Nodes for CXL memory ranges that