From patchwork Thu Jun 22 21:39:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Jiang X-Patchwork-Id: 13289860 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 6635AEB64DC for ; Thu, 22 Jun 2023 21:39:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230096AbjFVVjg (ORCPT ); Thu, 22 Jun 2023 17:39:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229643AbjFVVjf (ORCPT ); Thu, 22 Jun 2023 17:39:35 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B96F21FED; Thu, 22 Jun 2023 14:39:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1687469974; x=1719005974; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5RkrpnEslnIHArEq4KtW+ePeGuapp92/gzx81tLhXAU=; b=iITmdlEmdSxF7D7vgNf4lMjOk/H+y6foZKBmxqEg7jbszBx2B9slwUTO JrRzH83Br+0XiRm9O0AKHWzihgdaV9papBBKrh0S5Poe+v49aIXQJm3tJ Pj57btn4bkQyjCZ8ptzHDnyFnr0eOs0O6Q+nq8goF6YvpLT6UnMwJPVzO LHoTtFQFXLstR0pHKq7E902O8zO3OGYE/XTXoZDUZC/IyRLQs5GmQ+Zg8 w8Pini/Vvdf4smVifBPRpw5v34gmgI4oPl+WlX63zhZdsdGBN907h3MIg 2tS9d5gh261vfz7J/oesqT8xETia81Kpma/B+eStG7a0BfLFN0glsdGF5 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10749"; a="345381219" X-IronPort-AV: E=Sophos;i="6.01,150,1684825200"; d="scan'208";a="345381219" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2023 14:39:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10749"; a="715088854" X-IronPort-AV: E=Sophos;i="6.01,150,1684825200"; d="scan'208";a="715088854" Received: from djiang5-mobl3.amr.corp.intel.com (HELO [192.168.1.177]) ([10.212.53.238]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2023 14:39:33 -0700 Subject: [PATCH v4 1/6] 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: Thu, 22 Jun 2023 14:39:32 -0700 Message-ID: <168746997272.4115467.12889336174992481226.stgit@djiang5-mobl3> In-Reply-To: <168746993412.4115467.1442857478644914777.stgit@djiang5-mobl3> References: <168746993412.4115467.1442857478644914777.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);