Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752718AbbFYJon (ORCPT ); Thu, 25 Jun 2015 05:44:43 -0400 Received: from mga02.intel.com ([134.134.136.20]:29988 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752369AbbFYJnW (ORCPT ); Thu, 25 Jun 2015 05:43:22 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,675,1427785200"; d="scan'208";a="717405085" Subject: [PATCH v2 15/17] libnvdimm: Set numa_node to NVDIMM devices From: Dan Williams To: linux-nvdimm@ml01.01.org Cc: axboe@kernel.dk, boaz@plexistor.com, toshi.kani@hp.com, linux-kernel@vger.kernel.org, hch@lst.de, linux-acpi@vger.kernel.org, linux-fsdevel@vger.kernel.org, mingo@kernel.org Date: Thu, 25 Jun 2015 05:37:38 -0400 Message-ID: <20150625093738.40066.88750.stgit@dwillia2-desk3.jf.intel.com> In-Reply-To: <20150625090554.40066.69562.stgit@dwillia2-desk3.jf.intel.com> References: <20150625090554.40066.69562.stgit@dwillia2-desk3.jf.intel.com> User-Agent: StGit/0.17.1-8-g92dd MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2856 Lines: 78 From: Toshi Kani ACPI NFIT table has System Physical Address Range Structure entries that describe a proximity ID of each range when ACPI_NFIT_PROXIMITY_VALID is set in the flags. Change acpi_nfit_register_region() to map a proximity ID to its node ID, and set it to a new numa_node field of nd_region_desc, which is then conveyed to the nd_region device. The device core arranges for btt and namespace devices to inherit their node from their parent region. Signed-off-by: Toshi Kani [djbw: move set_dev_node() from region 'probe' to 'create'] Signed-off-by: Dan Williams --- drivers/acpi/nfit.c | 6 ++++++ drivers/nvdimm/region_devs.c | 4 +++- include/linux/libnvdimm.h | 1 + 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index 1f6f1b1a54f4..d96c8fe974dd 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -1392,6 +1392,12 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc, ndr_desc->res = &res; ndr_desc->provider_data = nfit_spa; ndr_desc->attr_groups = acpi_nfit_region_attribute_groups; + if (spa->flags & ACPI_NFIT_PROXIMITY_VALID) + ndr_desc->numa_node = acpi_map_pxm_to_online_node( + spa->proximity_domain); + else + ndr_desc->numa_node = NUMA_NO_NODE; + list_for_each_entry(nfit_memdev, &acpi_desc->memdevs, list) { struct acpi_nfit_memory_map *memdev = nfit_memdev->memdev; struct nd_mapping *nd_mapping; diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index 8f8c7ea485f1..b2ec5045f5a5 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -738,13 +738,15 @@ static struct nd_region *nd_region_create(struct nvdimm_bus *nvdimm_bus, nd_region->ro = ro; ida_init(&nd_region->ns_ida); dev = &nd_region->dev; + device_initialize(dev); dev_set_name(dev, "region%d", nd_region->id); dev->parent = &nvdimm_bus->dev; dev->type = dev_type; dev->groups = ndr_desc->attr_groups; + set_dev_node(dev, ndr_desc->numa_node); nd_region->ndr_size = resource_size(ndr_desc->res); nd_region->ndr_start = ndr_desc->res->start; - nd_device_register(dev); + __nd_device_register(dev); return nd_region; diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index dc799a29ed1a..30b3deaafd51 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -89,6 +89,7 @@ struct nd_region_desc { struct nd_interleave_set *nd_set; void *provider_data; int num_lanes; + int numa_node; }; struct nvdimm_bus; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/