From patchwork Tue Apr 26 10:40:25 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 8937691 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id EDD419F441 for ; Tue, 26 Apr 2016 10:51:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AFF2A20125 for ; Tue, 26 Apr 2016 10:51:00 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DB28420115 for ; Tue, 26 Apr 2016 10:50:59 +0000 (UTC) Received: from localhost ([::1]:37416 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1av0a3-0005Ln-1k for patchwork-qemu-devel@patchwork.kernel.org; Tue, 26 Apr 2016 06:50:59 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53664) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1av0QW-0006cF-Gy for qemu-devel@nongnu.org; Tue, 26 Apr 2016 06:41:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1av0QR-00069Q-NL for qemu-devel@nongnu.org; Tue, 26 Apr 2016 06:41:08 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:40103) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1av0QR-00068q-2e; Tue, 26 Apr 2016 06:41:03 -0400 Received: from 172.24.1.36 (EHLO szxeml434-hub.china.huawei.com) ([172.24.1.36]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DGA01906; Tue, 26 Apr 2016 18:40:49 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by szxeml434-hub.china.huawei.com (10.82.67.225) with Microsoft SMTP Server id 14.3.235.1; Tue, 26 Apr 2016 18:40:40 +0800 From: Shannon Zhao To: , Date: Tue, 26 Apr 2016 18:40:25 +0800 Message-ID: <1461667229-9216-2-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1461667229-9216-1-git-send-email-zhaoshenglong@huawei.com> References: <1461667229-9216-1-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=0001.0A020201.571F45B2.00D1, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 7f334df256b9f98d747e4cc93decbbc8 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 119.145.14.65 Subject: [Qemu-devel] [PATCH v8 1/5] ARM: Virt: Set numa-node-id for cpu and memory nodes 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Shannon Zhao Generate memory nodes according to NUMA topology. Set numa-node-id property for cpu and memory nodes. Signed-off-by: Shannon Zhao Reviewed-by: Andrew Jones --- hw/arm/boot.c | 43 +++++++++++++++++++++++++++++++++++++------ hw/arm/virt.c | 8 ++++++++ 2 files changed, 45 insertions(+), 6 deletions(-) diff --git a/hw/arm/boot.c b/hw/arm/boot.c index 5876945..1b913a4 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; @@ -456,12 +460,39 @@ static int load_dtb(hwaddr addr, const struct arm_boot_info *binfo, goto fail; } - rc = qemu_fdt_setprop_sized_cells(fdt, "/memory", "reg", - acells, binfo->loader_start, - scells, binfo->ram_size); - if (rc < 0) { - fprintf(stderr, "couldn't set /memory/reg\n"); - goto fail; + if (nb_numa_nodes > 0) { + /* + * Turn the /memory node created before into a NOP node, then create + * /memory@addr nodes for all numa nodes respectively. + */ + qemu_fdt_nop_node(fdt, "/memory"); + mem_base = binfo->loader_start; + for (i = 0; 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 %s/reg for node %d\n", nodename, + i); + goto fail; + } + + qemu_fdt_setprop_cell(fdt, nodename, "numa-node-id", i); + mem_base += mem_len; + g_free(nodename); + } + } else { + rc = qemu_fdt_setprop_sized_cells(fdt, "/memory", "reg", + acells, binfo->loader_start, + scells, binfo->ram_size); + if (rc < 0) { + fprintf(stderr, "couldn't set /memory/reg\n"); + goto fail; + } } if (binfo->kernel_cmdline && *binfo->kernel_cmdline) { diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 56d35c7..fe6b11d 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -38,6 +38,7 @@ #include "net/net.h" #include "sysemu/block-backend.h" #include "sysemu/device_tree.h" +#include "sysemu/numa.h" #include "sysemu/sysemu.h" #include "sysemu/kvm.h" #include "hw/boards.h" @@ -329,6 +330,7 @@ static void fdt_add_cpu_nodes(const VirtBoardInfo *vbi) { int cpu; int addr_cells = 1; + unsigned int i; /* * From Documentation/devicetree/bindings/arm/cpus.txt @@ -378,6 +380,12 @@ static void fdt_add_cpu_nodes(const VirtBoardInfo *vbi) armcpu->mp_affinity); } + for (i = 0; i < nb_numa_nodes; i++) { + if (test_bit(cpu, numa_info[i].node_cpu)) { + qemu_fdt_setprop_cell(vbi->fdt, nodename, "numa-node-id", i); + } + } + g_free(nodename); } }