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[2001:4830:134:3::11]) by mx.google.com with ESMTPS id h8-v6si518177qvb.169.2018.07.03.00.26.02 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 03 Jul 2018 00:26:02 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from localhost ([::1]:38476 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1faFhK-0004PM-0X for alex.bennee@linaro.org; Tue, 03 Jul 2018 03:26:02 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59362) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1faFfx-0003nL-7O for qemu-arm@nongnu.org; Tue, 03 Jul 2018 03:25:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1faFcE-0005Pk-Gd for qemu-arm@nongnu.org; Tue, 03 Jul 2018 03:24:37 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:48870 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1faFcD-0005OY-Sl; Tue, 03 Jul 2018 03:20:46 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 043BF402346D; Tue, 3 Jul 2018 07:20:45 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-116-71.ams2.redhat.com [10.36.116.71]) by smtp.corp.redhat.com (Postfix) with ESMTP id 155861C5B5; Tue, 3 Jul 2018 07:20:42 +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, imammedo@redhat.com, david@redhat.com Date: Tue, 3 Jul 2018 09:19:52 +0200 Message-Id: <1530602398-16127-10-git-send-email-eric.auger@redhat.com> In-Reply-To: <1530602398-16127-1-git-send-email-eric.auger@redhat.com> References: <1530602398-16127-1-git-send-email-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Tue, 03 Jul 2018 07:20:45 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Tue, 03 Jul 2018 07:20:45 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'eric.auger@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-arm] [RFC v3 09/15] hw/arm/boot: Expose the PC-DIMM nodes in the DT X-BeenThere: qemu-arm@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, david@gibson.dropbear.id.au, dgilbert@redhat.com, agraf@suse.de Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-arm" X-TUID: XY31cF4WtB5R From: Shameer Kolothum This patch add memory nodes corresponding to PC-DIMM regions. NV_DIMM and ACPI_NVDIMM configs are not yet set for ARM so we don't need to care about NV-DIMM at this stage. Signed-off-by: Shameer Kolothum Signed-off-by: Eric Auger --- v1 -> v2: - added qapi_free_MemoryDeviceInfoList and simplify the loop --- hw/arm/boot.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/hw/arm/boot.c b/hw/arm/boot.c index 5243a25..2c7d558 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -19,6 +19,7 @@ #include "sysemu/numa.h" #include "hw/boards.h" #include "hw/loader.h" +#include "hw/mem/memory-device.h" #include "elf.h" #include "sysemu/device_tree.h" #include "qemu/config-file.h" @@ -516,6 +517,35 @@ static void fdt_add_psci_node(void *fdt) qemu_fdt_setprop_cell(fdt, "/psci", "migrate", migrate_fn); } +static int fdt_add_hotpluggable_memory_nodes(void *fdt, + uint64_t base, uint64_t len, + uint32_t acells, uint32_t scells) { + MemoryDeviceInfoList *info, *info_list = qmp_memory_device_list(); + MemoryDeviceInfo *mi; + PCDIMMDeviceInfo *di; + bool is_nvdimm; + int ret = 0; + + for (info = info_list; info != NULL; info = info->next) { + mi = info->value; + is_nvdimm = (mi->type == MEMORY_DEVICE_INFO_KIND_NVDIMM); + di = !is_nvdimm ? mi->u.dimm.data : mi->u.nvdimm.data; + + if (is_nvdimm) { + ret = -ENOENT; /* NV-DIMM not yet supported */ + } else { + ret = fdt_add_memory_node(fdt, acells, di->addr, + scells, di->size, di->node); + } + if (ret < 0) { + goto out; + } + } +out: + qapi_free_MemoryDeviceInfoList(info_list); + return ret; +} + int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo, hwaddr addr_limit, AddressSpace *as) { @@ -611,6 +641,14 @@ int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo, } } + rc = fdt_add_hotpluggable_memory_nodes(fdt, binfo->device_memory_start, + binfo->device_memory_size, + acells, scells); + if (rc < 0) { + fprintf(stderr, "couldn't add hotpluggable memory nodes\n"); + goto fail; + } + rc = fdt_path_offset(fdt, "/chosen"); if (rc < 0) { qemu_fdt_add_subnode(fdt, "/chosen"); -- 2.5.5