Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp2555702imu; Thu, 24 Jan 2019 15:09:11 -0800 (PST) X-Google-Smtp-Source: ALg8bN6rJObp9ssQ9uA+bnldniBUjrTPDVEIBQGgT+V8yAzafM+ERFj7212yLV/71616G1ex67Me X-Received: by 2002:a63:ec13:: with SMTP id j19mr7715446pgh.6.1548371351236; Thu, 24 Jan 2019 15:09:11 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1548371351; cv=none; d=google.com; s=arc-20160816; b=r01AkTQreywX2YItdRweSwSjmWUpIykoOBhC2c0EvU++vU3REksLhaxm0iH9xTzbPZ QWcHUFqbKs6FKRimSIVThHoj77BUteUPV15paX0WoTSHfEBF1yHUUuhQM/yOA3f0Yf7F dr5cesP7s5uEy02I4ldolKB1i5+uIQF1kG5CP4hG/4JV93R5j/wOdDG66ocRtL9oPalb 2o2sosAwAHnueDwY5sdBLYcV9SWLwBGwHeyOB0MjX3JqZ6LSRAxM0UCbxuEz0c+1dU4Y ts2S7Frdi1e4Tcg7rI+p8Zkx1cXF7zImzsYOtMNCNS8SiwjHm8Z4KCGKjkjssOGPP0C5 0pow== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from; bh=r16Llqf9uv/tZNKyQAPumbUzXwDyCSJSphfb8VVgFuM=; b=lEDQ7EqBnkqjrkfotMA38Jx4wf3f9nWDBln5ct7t7wvKOhcnRiF/EL+dvcOnamjugT ig6jVy3iv3znzT9WbJVH/vvvo9vuXgiQKk4kNSpEusBh4hv/8OYLJhFBMxclBNxfo4O/ gyFKMdWYd8JUWRUkoBiarqzZ5tFqmkgAABaqN8RZYK+Rp9oT7GtscYAtmB58w2x3YS6K vFheUFCfAWXubaSKzMyNi35R1oVCkeZhFYpLE8CO4hq1oC+KWPCarkDoIYsPQL/ogK1s KUYhPBO9rx18zsh+D/mkF1ZuoPlNnBJLGMtpkfohLw1aIyU1VkD97k+9i/R1tKJBApcu a8Ig== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 128si26452727pgh.261.2019.01.24.15.08.56; Thu, 24 Jan 2019 15:09:11 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728246AbfAXXIk (ORCPT + 99 others); Thu, 24 Jan 2019 18:08:40 -0500 Received: from mga03.intel.com ([134.134.136.65]:21178 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726347AbfAXXId (ORCPT ); Thu, 24 Jan 2019 18:08:33 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Jan 2019 15:08:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,518,1539673200"; d="scan'208";a="313295782" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.69]) by fmsmga006.fm.intel.com with ESMTP; 24 Jan 2019 15:08:27 -0800 From: Keith Busch To: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org Cc: Greg Kroah-Hartman , Rafael Wysocki , Dave Hansen , Dan Williams , Keith Busch Subject: [PATCHv5 09/10] acpi/hmat: Register memory side cache attributes Date: Thu, 24 Jan 2019 16:07:23 -0700 Message-Id: <20190124230724.10022-10-keith.busch@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190124230724.10022-1-keith.busch@intel.com> References: <20190124230724.10022-1-keith.busch@intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Register memory side cache attributes with the memory's node if HMAT provides the side cache iniformation table. Signed-off-by: Keith Busch --- drivers/acpi/hmat/hmat.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/drivers/acpi/hmat/hmat.c b/drivers/acpi/hmat/hmat.c index 917e6122b3f0..11f65b38e9f9 100644 --- a/drivers/acpi/hmat/hmat.c +++ b/drivers/acpi/hmat/hmat.c @@ -245,6 +245,7 @@ static __init int hmat_parse_cache(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_hmat_cache *cache = (void *)header; + struct node_cache_attrs cache_attrs; u32 attrs; if (cache->header.length < sizeof(*cache)) { @@ -258,6 +259,37 @@ static __init int hmat_parse_cache(union acpi_subtable_headers *header, cache->memory_PD, cache->cache_size, attrs, cache->number_of_SMBIOShandles); + cache_attrs.size = cache->cache_size; + cache_attrs.level = (attrs & ACPI_HMAT_CACHE_LEVEL) >> 4; + cache_attrs.line_size = (attrs & ACPI_HMAT_CACHE_LINE_SIZE) >> 16; + + switch ((attrs & ACPI_HMAT_CACHE_ASSOCIATIVITY) >> 8) { + case ACPI_HMAT_CA_DIRECT_MAPPED: + cache_attrs.associativity = NODE_CACHE_DIRECT_MAP; + break; + case ACPI_HMAT_CA_COMPLEX_CACHE_INDEXING: + cache_attrs.associativity = NODE_CACHE_INDEXED; + break; + case ACPI_HMAT_CA_NONE: + default: + cache_attrs.associativity = NODE_CACHE_OTHER; + break; + } + + switch ((attrs & ACPI_HMAT_WRITE_POLICY) >> 12) { + case ACPI_HMAT_CP_WB: + cache_attrs.write_policy = NODE_CACHE_WRITE_BACK; + break; + case ACPI_HMAT_CP_WT: + cache_attrs.write_policy = NODE_CACHE_WRITE_THROUGH; + break; + case ACPI_HMAT_CP_NONE: + default: + cache_attrs.write_policy = NODE_CACHE_WRITE_OTHER; + break; + } + + node_add_cache(pxm_to_node(cache->memory_PD), &cache_attrs); return 0; } -- 2.14.4