From patchwork Thu Apr 21 06:23:52 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 612992 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3qr85x2VSkz9t3c for ; Thu, 21 Apr 2016 16:31:17 +1000 (AEST) Received: from localhost ([::1]:35369 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1at88x-0006Es-CX for incoming@patchwork.ozlabs.org; Thu, 21 Apr 2016 02:31:15 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40393) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1at88G-0004uD-UH for qemu-devel@nongnu.org; Thu, 21 Apr 2016 02:30:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1at88D-0003G9-LQ for qemu-devel@nongnu.org; Thu, 21 Apr 2016 02:30:32 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:55801) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1at88D-0003G4-2T; Thu, 21 Apr 2016 02:30:29 -0400 Received: from 172.24.1.50 (EHLO szxeml425-hub.china.huawei.com) ([172.24.1.50]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id CAI18020; Thu, 21 Apr 2016 14:26:11 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by szxeml425-hub.china.huawei.com (10.82.67.180) with Microsoft SMTP Server id 14.3.235.1; Thu, 21 Apr 2016 14:24:17 +0800 From: Shannon Zhao To: , Date: Thu, 21 Apr 2016 14:23:52 +0800 Message-ID: <1461219834-10416-4-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1461219834-10416-1-git-send-email-zhaoshenglong@huawei.com> References: <1461219834-10416-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.16.142] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090204.57187284.0128, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 4b9b3d0af375da1c9cf0320f8b919172 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 119.145.14.66 Subject: [Qemu-devel] [PATCH v5 3/5] ARM: Add numa-node-id for /memory node 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: peter.huangpeng@huawei.com, drjones@redhat.com, shannon.zhao@linaro.org, qemu-devel@nongnu.org, david.daney@cavium.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Shannon Zhao When specifying NUMA for ARM machine, generate /memory node according to NUMA topology. Signed-off-by: Shannon Zhao --- hw/arm/boot.c | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) diff --git a/hw/arm/boot.c b/hw/arm/boot.c index 5975fbf..3770235 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -14,6 +14,7 @@ #include "hw/arm/linux-boot-if.h" #include "sysemu/kvm.h" #include "sysemu/sysemu.h" +#include "sysemu/numa.h" #include "hw/boards.h" #include "hw/loader.h" #include "elf.h" @@ -405,6 +406,9 @@ static int load_dtb(hwaddr addr, const struct arm_boot_info *binfo, void *fdt = NULL; int size, rc; uint32_t acells, scells; + char *nodename; + unsigned int i; + hwaddr mem_base, mem_len; if (binfo->dtb_filename) { char *filename; @@ -456,14 +460,39 @@ static int load_dtb(hwaddr addr, const struct arm_boot_info *binfo, goto fail; } + mem_len = (nb_numa_nodes > 0) ? numa_info[0].node_mem : binfo->ram_size; rc = qemu_fdt_setprop_sized_cells(fdt, "/memory", "reg", acells, binfo->loader_start, - scells, binfo->ram_size); + scells, mem_len); if (rc < 0) { fprintf(stderr, "couldn't set /memory/reg\n"); goto fail; } + if (nb_numa_nodes > 0) { + /* Set the numa-node-id for the first /memory node. */ + qemu_fdt_setprop_cell(fdt, "/memory", "numa-node-id", 0); + /* create /memory node and set properties for other memory numa nodes */ + mem_base = binfo->loader_start + mem_len; + for (i = 1; i < nb_numa_nodes; i++) { + mem_len = numa_info[i].node_mem; + nodename = g_strdup_printf("/memory@%" PRIx64, mem_base); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_string(fdt, nodename, "device_type", "memory"); + rc = qemu_fdt_setprop_sized_cells(fdt, nodename, "reg", + acells, mem_base, + scells, mem_len); + if (rc < 0) { + fprintf(stderr, "couldn't set /memory/reg\n"); + goto fail; + } + + qemu_fdt_setprop_cell(fdt, nodename, "numa-node-id", i); + mem_base += mem_len; + g_free(nodename); + } + } + if (binfo->kernel_cmdline && *binfo->kernel_cmdline) { rc = qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", binfo->kernel_cmdline);