From patchwork Fri May 19 16:24:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Jiang X-Patchwork-Id: 13248551 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 C1F01C77B7A for ; Fri, 19 May 2023 16:24:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229747AbjESQYg (ORCPT ); Fri, 19 May 2023 12:24:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229571AbjESQYf (ORCPT ); Fri, 19 May 2023 12:24:35 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E1C08F; Fri, 19 May 2023 09:24:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1684513474; x=1716049474; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5RkrpnEslnIHArEq4KtW+ePeGuapp92/gzx81tLhXAU=; b=fQt3YhMMQ3MCAHelbDqtD/R/cQOGDa/Zl1WN3fPWuP6NyixFf6BXnRmG gyozvilZCFk50bAJy1yoO2amkc5QX/d6v29TIfCifCQUIgPwPg0JEXv3h h5nFuOvj5+KVZf4WpDTM7+eJa8vzRLW5QJIGFIozxslQ7DhATmIEbNj1l Y9xkthX/7ACXEw9N+WCL0zFmU0IkZA3bBd1stCZcyVKa7FPEYDufndUel UCA7q2K1OtSBr2Vnx0LWLH9G1iuAaB/OwrBci2cqNAWOyzbuvsCs4crLV OxJVmQOMbmhhsNL9DZPPwSsolysbDlZ50l2qlo+59f505KRfWX15QMNtn g==; X-IronPort-AV: E=McAfee;i="6600,9927,10715"; a="415878666" X-IronPort-AV: E=Sophos;i="6.00,177,1681196400"; d="scan'208";a="415878666" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2023 09:24:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10715"; a="949171231" X-IronPort-AV: E=Sophos;i="6.00,177,1681196400"; d="scan'208";a="949171231" Received: from djiang5-mobl3.amr.corp.intel.com (HELO [192.168.1.177]) ([10.212.29.189]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2023 09:24:27 -0700 Subject: [PATCH v2 1/4] acpi: numa: Create enum for memory_target access coordinates indexing From: Dave Jiang To: linux-acpi@vger.kernel.org, linux-cxl@vger.kernel.org Cc: Jonathan Cameron , rafael@kernel.org, lenb@kernel.org, dan.j.williams@intel.com, ira.weiny@intel.com, vishal.l.verma@intel.com, alison.schofield@intel.com, lukas@wunner.de, Jonathan.Cameron@huawei.com Date: Fri, 19 May 2023 09:24:26 -0700 Message-ID: <168451346601.3465146.10185750453901715133.stgit@djiang5-mobl3> In-Reply-To: <168451341624.3465146.15355962690295941676.stgit@djiang5-mobl3> References: <168451341624.3465146.15355962690295941676.stgit@djiang5-mobl3> User-Agent: StGit/1.5 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org Create enums to provide named indexing for the access coordinate array. This is in preparation for adding generic port support which will add a third index in the array to keep the generic port attributes separate from the memory attributes. Reviewed-by: Jonathan Cameron Signed-off-by: Dave Jiang --- drivers/acpi/numa/hmat.c | 35 ++++++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 11 deletions(-) diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c index f9ff992038fa..abed728bf09d 100644 --- a/drivers/acpi/numa/hmat.c +++ b/drivers/acpi/numa/hmat.c @@ -57,12 +57,18 @@ struct target_cache { struct node_cache_attrs cache_attrs; }; +enum { + NODE_ACCESS_CLASS_0 = 0, + NODE_ACCESS_CLASS_1, + NODE_ACCESS_CLASS_MAX, +}; + struct memory_target { struct list_head node; unsigned int memory_pxm; unsigned int processor_pxm; struct resource memregions; - struct access_coordinate coord[2]; + struct access_coordinate coord[NODE_ACCESS_CLASS_MAX]; struct list_head caches; struct node_cache_attrs cache_attrs; bool registered; @@ -338,10 +344,12 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header, if (mem_hier == ACPI_HMAT_MEMORY) { target = find_mem_target(targs[targ]); if (target && target->processor_pxm == inits[init]) { - hmat_update_target_access(target, type, value, 0); + hmat_update_target_access(target, type, value, + NODE_ACCESS_CLASS_0); /* If the node has a CPU, update access 1 */ if (node_state(pxm_to_node(inits[init]), N_CPU)) - hmat_update_target_access(target, type, value, 1); + hmat_update_target_access(target, type, value, + NODE_ACCESS_CLASS_1); } } } @@ -600,10 +608,12 @@ static void hmat_register_target_initiators(struct memory_target *target) */ if (target->processor_pxm != PXM_INVAL) { cpu_nid = pxm_to_node(target->processor_pxm); - register_memory_node_under_compute_node(mem_nid, cpu_nid, 0); + register_memory_node_under_compute_node(mem_nid, cpu_nid, + NODE_ACCESS_CLASS_0); access0done = true; if (node_state(cpu_nid, N_CPU)) { - register_memory_node_under_compute_node(mem_nid, cpu_nid, 1); + register_memory_node_under_compute_node(mem_nid, cpu_nid, + NODE_ACCESS_CLASS_1); return; } } @@ -644,12 +654,13 @@ static void hmat_register_target_initiators(struct memory_target *target) } if (best) hmat_update_target_access(target, loc->hmat_loc->data_type, - best, 0); + best, NODE_ACCESS_CLASS_0); } for_each_set_bit(i, p_nodes, MAX_NUMNODES) { cpu_nid = pxm_to_node(i); - register_memory_node_under_compute_node(mem_nid, cpu_nid, 0); + register_memory_node_under_compute_node(mem_nid, cpu_nid, + NODE_ACCESS_CLASS_0); } } @@ -681,11 +692,13 @@ static void hmat_register_target_initiators(struct memory_target *target) clear_bit(initiator->processor_pxm, p_nodes); } if (best) - hmat_update_target_access(target, loc->hmat_loc->data_type, best, 1); + hmat_update_target_access(target, loc->hmat_loc->data_type, best, + NODE_ACCESS_CLASS_1); } for_each_set_bit(i, p_nodes, MAX_NUMNODES) { cpu_nid = pxm_to_node(i); - register_memory_node_under_compute_node(mem_nid, cpu_nid, 1); + register_memory_node_under_compute_node(mem_nid, cpu_nid, + NODE_ACCESS_CLASS_1); } } @@ -746,8 +759,8 @@ static void hmat_register_target(struct memory_target *target) if (!target->registered) { hmat_register_target_initiators(target); hmat_register_target_cache(target); - hmat_register_target_perf(target, 0); - hmat_register_target_perf(target, 1); + hmat_register_target_perf(target, NODE_ACCESS_CLASS_0); + hmat_register_target_perf(target, NODE_ACCESS_CLASS_1); target->registered = true; } mutex_unlock(&target_lock);