From patchwork Thu Apr 21 06:23:54 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 8896411 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 6C4449F39A for ; Thu, 21 Apr 2016 06:29:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C22A2202E5 for ; Thu, 21 Apr 2016 06:29:51 +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 0688C20218 for ; Thu, 21 Apr 2016 06:29:51 +0000 (UTC) Received: from localhost ([::1]:35340 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1at87a-0002vN-DS for patchwork-qemu-devel@patchwork.kernel.org; Thu, 21 Apr 2016 02:29:50 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40253) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1at87O-0002rO-Dz for qemu-devel@nongnu.org; Thu, 21 Apr 2016 02:29:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1at87L-0002uw-Ak for qemu-devel@nongnu.org; Thu, 21 Apr 2016 02:29:38 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:55028) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1at87K-0002uN-8Z; Thu, 21 Apr 2016 02:29:35 -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 CAI18024; Thu, 21 Apr 2016 14:26:12 +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 14:24:19 +0800 From: Shannon Zhao To: , Date: Thu, 21 Apr 2016 14:23:54 +0800 Message-ID: <1461219834-10416-6-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=0001.0A090201.57187285.003A, 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: 44d0f94f6dcc08c47d730c2f3889e124 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 5/5] hw/arm/virt-acpi-build: Generate SRAT table 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 To support NUMA, it needs to generate SRAT ACPI table. Signed-off-by: Shannon Zhao --- hw/arm/virt-acpi-build.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index f51fe39..a618210 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -43,6 +43,7 @@ #include "hw/acpi/aml-build.h" #include "hw/pci/pcie_host.h" #include "hw/pci/pci.h" +#include "sysemu/numa.h" #define ARM_SPI_BASE 32 #define ACPI_POWER_BUTTON_DEVICE "PWRB" @@ -414,6 +415,58 @@ build_spcr(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) } static void +build_srat(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) +{ + AcpiSystemResourceAffinityTable *srat; + AcpiSratProcessorGiccAffinity *core; + AcpiSratMemoryAffinity *numamem; + int i, j, srat_start; + uint64_t mem_len, mem_base; + uint32_t *cpu_node = g_malloc0(guest_info->smp_cpus * sizeof *cpu_node); + + for (i = 0; i < guest_info->smp_cpus; i++) { + for (j = 0; j < nb_numa_nodes; j++) { + if (test_bit(i, numa_info[j].node_cpu)) { + cpu_node[i] = j; + break; + } + } + } + + srat_start = table_data->len; + srat = acpi_data_push(table_data, sizeof *srat); + srat->reserved1 = cpu_to_le32(1); + + for (i = 0; i < guest_info->smp_cpus; ++i) { + core = acpi_data_push(table_data, sizeof *core); + core->type = ACPI_SRAT_PROCESSOR_GICC; + core->length = sizeof(*core); + core->proximity = cpu_node[i]; + core->acpi_processor_uid = i; + core->flags = cpu_to_le32(1); + } + g_free(cpu_node); + + mem_base = guest_info->memmap[VIRT_MEM].base; + for (i = 0; i < nb_numa_nodes; ++i) { + mem_len = numa_info[i].node_mem; + numamem = acpi_data_push(table_data, sizeof *numamem); + numamem->type = ACPI_SRAT_MEMORY; + numamem->length = sizeof(*numamem); + memset(numamem->proximity, 0, 4); + numamem->proximity[0] = i; + numamem->flags = cpu_to_le32(1); + numamem->base_addr = cpu_to_le64(mem_base); + numamem->range_length = cpu_to_le64(mem_len); + mem_base += mem_len; + } + + build_header(linker, table_data, + (void *)(table_data->data + srat_start), "SRAT", + table_data->len - srat_start, 3, NULL, NULL); +} + +static void build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) { AcpiTableMcfg *mcfg; @@ -638,6 +691,11 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables) acpi_add_table(table_offsets, tables_blob); build_spcr(tables_blob, tables->linker, guest_info); + if (nb_numa_nodes > 0) { + acpi_add_table(table_offsets, tables_blob); + build_srat(tables_blob, tables->linker, guest_info); + } + /* RSDT is pointed to by RSDP */ rsdt = tables_blob->len; build_rsdt(tables_blob, tables->linker, table_offsets, NULL, NULL);