From patchwork Sat Apr 23 09:06:36 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 66517 Delivered-To: patch@linaro.org Received: by 10.140.93.198 with SMTP id d64csp89265qge; Sat, 23 Apr 2016 02:11:29 -0700 (PDT) X-Received: by 10.140.29.165 with SMTP id b34mr24750004qgb.100.1461402689407; Sat, 23 Apr 2016 02:11:29 -0700 (PDT) Return-Path: Received: from lists.gnu.org (lists.gnu.org. [2001:4830:134:3::11]) by mx.google.com with ESMTPS id a82si5433802qha.129.2016.04.23.02.11.29 for (version=TLS1 cipher=AES128-SHA bits=128/128); Sat, 23 Apr 2016 02:11:29 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=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-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-devel-bounces+patch=linaro.org@nongnu.org Received: from localhost ([::1]:50074 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1attb7-0001R1-0w for patch@linaro.org; Sat, 23 Apr 2016 05:11:29 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45225) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1attaI-0000SN-Vr for qemu-devel@nongnu.org; Sat, 23 Apr 2016 05:10:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1attaF-0001RY-Nn for qemu-devel@nongnu.org; Sat, 23 Apr 2016 05:10:38 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:17775) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1attaF-0001QH-3L; Sat, 23 Apr 2016 05:10:35 -0400 Received: from 172.24.1.49 (EHLO szxeml434-hub.china.huawei.com) ([172.24.1.49]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id CAK99775; Sat, 23 Apr 2016 17:07:02 +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; Sat, 23 Apr 2016 17:06:54 +0800 From: Shannon Zhao To: , Date: Sat, 23 Apr 2016 17:06:36 +0800 Message-ID: <1461402396-11776-6-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1461402396-11776-1-git-send-email-zhaoshenglong@huawei.com> References: <1461402396-11776-1-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=0001.0A020206.571B3B36.01A5, 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: 93fbd23b11e405bc46bec0ecc191ebee 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 v6 5/5] ACPI: Virt: 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+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Shannon Zhao To support NUMA, it needs to generate SRAT ACPI table. Signed-off-by: Shannon Zhao --- hw/arm/virt-acpi-build.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) -- 2.0.4 Reviewed-by: Andrew Jones diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index f51fe39..e0e90d4 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 +415,52 @@ 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_base; + uint32_t *cpu_node = g_malloc0(guest_info->smp_cpus * sizeof(uint32_t)); + + 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_to_le32(cpu_node[i]); + core->acpi_processor_uid = cpu_to_le32(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) { + numamem = acpi_data_push(table_data, sizeof(*numamem)); + acpi_build_srat_memory(numamem, mem_base, numa_info[i].node_mem, i, + MEM_AFFINITY_ENABLED); + mem_base += numa_info[i].node_mem; + } + + 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 +685,11 @@ 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);