From patchwork Tue Nov 14 23:04:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Jiang X-Patchwork-Id: 13456103 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 09E2F26AC0 for ; Tue, 14 Nov 2023 23:04:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="LmzYLNeQ" Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CF16D1 for ; Tue, 14 Nov 2023 15:04:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700003060; x=1731539060; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FhWwVP2pa39BQ0FcRUD/Fxj8kJP4mJEiM3+d6nJ1aq0=; b=LmzYLNeQ99dP3GmJyrdYlZyNlLQaD4qFxhFfnWt1IrbdZeAceLFZDOvh NPHOhK2yDjIaXSBfL+a5jChmB/VvzBYjNwQluzKwltAaNyBQsPXLtn8W1 8NiocjXyaXc/+vMUtoWo+SwS9liDR+LdCp9o+324e2jC6CN3FxqnJmINa Uuma+1djyEsAyt0Ksqc9v7qCXcH6AP4YwPrXNBYhzdpTT0Gp+teEiqyvG fiST034UVAawz/vfgi1qOoNQqx5kbmV9TckbAgTTmvRePqOAoCFOhoAtB UDCH2LVAhYRt2J3rbUxEkSFNnIzIOTiDAXZhkNOtO8ytr/WOr+G9aBMgL w==; X-IronPort-AV: E=McAfee;i="6600,9927,10894"; a="3836835" X-IronPort-AV: E=Sophos;i="6.03,303,1694761200"; d="scan'208";a="3836835" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2023 15:04:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10894"; a="768400271" X-IronPort-AV: E=Sophos;i="6.03,303,1694761200"; d="scan'208";a="768400271" Received: from djiang5-mobl3.amr.corp.intel.com (HELO [192.168.1.177]) ([10.212.87.32]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2023 15:04:19 -0800 Subject: [PATCH v12 03/18] acpi: numa: Create enum for memory_target access coordinates indexing From: Dave Jiang To: linux-cxl@vger.kernel.org Cc: Jonathan Cameron , "Rafael J. Wysocki" , dan.j.williams@intel.com, ira.weiny@intel.com, vishal.l.verma@intel.com, alison.schofield@intel.com, Jonathan.Cameron@huawei.com, dave@stgolabs.net Date: Tue, 14 Nov 2023 16:04:19 -0700 Message-ID: <170000305913.1974471.14765766906065681302.stgit@djiang5-mobl3> In-Reply-To: <170000290509.1974471.16084327074615798619.stgit@djiang5-mobl3> References: <170000290509.1974471.16084327074615798619.stgit@djiang5-mobl3> User-Agent: StGit/1.5 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 Acked-by: Rafael J. Wysocki --- drivers/acpi/numa/hmat.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c index 83bc2b69401b..ca7aedfbb5f2 100644 --- a/drivers/acpi/numa/hmat.c +++ b/drivers/acpi/numa/hmat.c @@ -58,12 +58,18 @@ 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; @@ -339,10 +345,12 @@ 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); } } } @@ -726,8 +734,8 @@ 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);