From nobody Tue Nov 4 18:44:22 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1539873838294616.7429173846903; Thu, 18 Oct 2018 07:43:58 -0700 (PDT) Received: from localhost ([::1]:42749 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gD9Wn-0007zI-2e for importer@patchew.org; Thu, 18 Oct 2018 10:43:57 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36609) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gD9Li-0006Wg-Ei for qemu-devel@nongnu.org; Thu, 18 Oct 2018 10:32:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gD9Lh-0008Fu-CS for qemu-devel@nongnu.org; Thu, 18 Oct 2018 10:32:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56586) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gD9La-00085z-4q; Thu, 18 Oct 2018 10:32:22 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 035B313A9D; Thu, 18 Oct 2018 14:32:19 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-215.ams2.redhat.com [10.36.116.215]) by smtp.corp.redhat.com (Postfix) with ESMTP id B242060150; Thu, 18 Oct 2018 14:32:13 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org, shameerali.kolothum.thodi@huawei.com, kwangwoo.lee@sk.com, imammedo@redhat.com, david@redhat.com Date: Thu, 18 Oct 2018 16:30:41 +0200 Message-Id: <20181018143042.29588-16-eric.auger@redhat.com> In-Reply-To: <20181018143042.29588-1-eric.auger@redhat.com> References: <20181018143042.29588-1-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 18 Oct 2018 14:32:19 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v4 15/16] hw/arm/boot: Expose the pmem nodes in the DT X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drjones@redhat.com, dgilbert@redhat.com, Suzuki.Poulose@arm.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" In case of NV-DIMM slots, let's add /pmem DT nodes. Signed-off-by: Eric Auger --- hw/arm/boot.c | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/hw/arm/boot.c b/hw/arm/boot.c index 81d621ce14..50acf0abd4 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -444,6 +444,36 @@ out: return ret; } =20 +static int fdt_add_pmem_node(void *fdt, uint32_t acells, hwaddr mem_base, + uint32_t scells, hwaddr mem_len, + int numa_node_id) +{ + char *nodename =3D NULL; + int ret; + + nodename =3D g_strdup_printf("/pmem@%" PRIx64, mem_base); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "pmem-region"); + ret =3D qemu_fdt_setprop_sized_cells(fdt, nodename, "reg", acells, mem= _base, + scells, mem_len); + if (ret < 0) { + fprintf(stderr, "couldn't set %s/reg\n", nodename); + goto out; + } + if (numa_node_id < 0) { + goto out; + } + + ret =3D qemu_fdt_setprop_cell(fdt, nodename, "numa-node-id", numa_node= _id); + if (ret < 0) { + fprintf(stderr, "couldn't set %s/numa-node-id\n", nodename); + } + +out: + g_free(nodename); + return ret; +} + static void fdt_add_psci_node(void *fdt) { uint32_t cpu_suspend_fn; @@ -531,7 +561,8 @@ static int fdt_add_hotpluggable_memory_nodes(void *fdt, di =3D !is_nvdimm ? mi->u.dimm.data : mi->u.nvdimm.data; =20 if (is_nvdimm) { - ret =3D -ENOENT; /* NV-DIMM not yet supported */ + ret =3D fdt_add_pmem_node(fdt, acells, di->addr, + scells, di->size, di->node); } else { ret =3D fdt_add_memory_node(fdt, acells, di->addr, scells, di->size, di->node); --=20 2.17.1