From patchwork Tue Nov 3 12:01:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: cenjiahui X-Patchwork-Id: 316317 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94F47C55178 for ; Tue, 3 Nov 2020 12:29:56 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0706322384 for ; Tue, 3 Nov 2020 12:29:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0706322384 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50242 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kZvRj-0002tf-1r for qemu-devel@archiver.kernel.org; Tue, 03 Nov 2020 07:29:55 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:47906) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kZvIQ-00005N-M6 for qemu-devel@nongnu.org; Tue, 03 Nov 2020 07:20:18 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:2501) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kZvIG-00084q-8Q for qemu-devel@nongnu.org; Tue, 03 Nov 2020 07:20:18 -0500 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4CQTPb2FPnzhbhH; Tue, 3 Nov 2020 20:20:03 +0800 (CST) Received: from localhost (10.174.184.155) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Tue, 3 Nov 2020 20:19:57 +0800 From: Jiahui Cen To: Subject: [PATCH v9 4/8] acpi: Refactor the source of host bridge and build tables for pxb Date: Tue, 3 Nov 2020 20:01:53 +0800 Message-ID: <20201103120157.2286-5-cenjiahui@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201103120157.2286-1-cenjiahui@huawei.com> References: <20201103120157.2286-1-cenjiahui@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.184.155] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.191; envelope-from=cenjiahui@huawei.com; helo=szxga05-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 06:47:30 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: xieyingtai@huawei.com, peter.maydell@linaro.org, Jiahui Cen , berrange@redhat.com, mst@redhat.com, xiexiangyou@huawei.com, shannon.zhaosl@gmail.com, miaoyubo@huawei.com, imammedo@redhat.com, lersek@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Yubo Miao The resources of pxbs are obtained by crs_build and the resources used by pxbs would be moved from the resources defined for host-bridge. The resources for pxb are composed of following two parts: 1. The bar space of the pci-bridge/pcie-root-port behined it 2. The config space of devices behind it. Signed-off-by: Yubo Miao Signed-off-by: Jiahui Cen --- hw/arm/virt-acpi-build.c | 5 +- hw/pci-host/gpex-acpi.c | 129 ++++++++++++++++++++++++++++++++------- 2 files changed, 111 insertions(+), 23 deletions(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 9747a6458f..fd9c2007c0 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -153,7 +153,8 @@ static void acpi_dsdt_add_virtio(Aml *scope, } static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, - uint32_t irq, bool use_highmem, bool highmem_ecam) + uint32_t irq, bool use_highmem, bool highmem_ecam, + VirtMachineState *vms) { int ecam_id = VIRT_ECAM_ID(highmem_ecam); struct GPEXConfig cfg = { @@ -609,7 +610,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) acpi_dsdt_add_virtio(scope, &memmap[VIRT_MMIO], (irqmap[VIRT_MMIO] + ARM_SPI_BASE), NUM_VIRTIO_TRANSPORTS); acpi_dsdt_add_pci(scope, memmap, (irqmap[VIRT_PCIE] + ARM_SPI_BASE), - vms->highmem, vms->highmem_ecam); + vms->highmem, vms->highmem_ecam, vms); if (vms->acpi_dev) { build_ged_aml(scope, "\\_SB."GED_DEVICE, HOTPLUG_HANDLER(vms->acpi_dev), diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c index 86ddb52cbd..b5436c7128 100644 --- a/hw/pci-host/gpex-acpi.c +++ b/hw/pci-host/gpex-acpi.c @@ -1,6 +1,10 @@ #include "qemu/osdep.h" #include "hw/acpi/aml-build.h" #include "hw/pci-host/gpex.h" +#include "hw/arm/virt.h" +#include "hw/pci/pci_bus.h" +#include "hw/pci/pci_bridge.h" +#include "hw/pci/pcie_host.h" static void acpi_dsdt_add_pci_route_table(Aml *dev, Aml *scope, uint32_t irq) { @@ -125,9 +129,69 @@ static void acpi_dsdt_add_pci_osc(Aml *dev, Aml *scope) void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) { int nr_pcie_buses = cfg->ecam.size / PCIE_MMCFG_SIZE_MIN; - Aml *method, *crs; + Aml *method, *crs, *dev_pxb; + int i; + CrsRangeEntry *entry; + CrsRangeSet crs_range_set; + + crs_range_set_init(&crs_range_set); Aml *dev = aml_device("%s", "PCI0"); + PCIHostState *s = PCI_GET_PCIE_HOST_STATE; + + PCIBus *bus = s->bus; + /* start to construct the tables for pxb */ + if (bus) { + QLIST_FOREACH(bus, &bus->child, sibling) { + uint8_t bus_num = pci_bus_num(bus); + uint8_t numa_node = pci_bus_numa_node(bus); + + if (!pci_bus_is_root(bus)) { + continue; + } + /* + * 0 - (nr_pcie_buses - 1) is the bus range for the main + * host-bridge and it equals the MIN of the + * busNr defined for pxb-pcie. + */ + if (bus_num < nr_pcie_buses) { + nr_pcie_buses = bus_num; + } + + dev_pxb = aml_device("PC%.02X", bus_num); + aml_append(dev_pxb, aml_name_decl("_HID", aml_string("PNP0A08"))); + aml_append(dev_pxb, aml_name_decl("_CID", aml_string("PNP0A03"))); + aml_append(dev_pxb, aml_name_decl("_ADR", aml_int(0))); + aml_append(dev_pxb, aml_name_decl("_CCA", aml_int(1))); + aml_append(dev_pxb, aml_name_decl("_SEG", aml_int(0))); + aml_append(dev_pxb, aml_name_decl("_BBN", aml_int(bus_num))); + aml_append(dev_pxb, aml_name_decl("_UID", aml_int(bus_num))); + aml_append(dev_pxb, + aml_name_decl("_STR", aml_unicode("pxb Device"))); + if (numa_node != NUMA_NODE_UNASSIGNED) { + method = aml_method("_PXM", 0, AML_NOTSERIALIZED); + aml_append(method, aml_return(aml_int(numa_node))); + aml_append(dev_pxb, method); + } + + acpi_dsdt_add_pci_route_table(dev_pxb, scope, cfg->irq); + + /* + * Resources defined for PXBs are composed by the folling parts: + * 1. The resources the pci-brige/pcie-root-port need. + * 2. The resources the devices behind pxb need. + */ + crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent), &crs_range_set); + aml_append(dev_pxb, aml_name_decl("_CRS", crs)); + + acpi_dsdt_add_pci_osc(dev_pxb, scope); + + aml_append(scope, dev_pxb); + + } + } + + /* tables for the main */ aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A08"))); aml_append(dev, aml_name_decl("_CID", aml_string("PNP0A03"))); aml_append(dev, aml_name_decl("_SEG", aml_int(0))); @@ -147,32 +211,53 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, 0x0000, 0x0000, nr_pcie_buses - 1, 0x0000, nr_pcie_buses)); + + /* + * Remove the resources used by PXBs. + */ if (cfg->mmio32.size) { - aml_append(rbuf, - aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, - AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, - cfg->mmio32.base, - cfg->mmio32.base + cfg->mmio32.size - 1, - 0x0000, - cfg->mmio32.size)); + crs_replace_with_free_ranges(crs_range_set.mem_ranges, + cfg->mmio32.base, + cfg->mmio32.base + cfg->mmio32.size - 1); + for (i = 0; i < crs_range_set.mem_ranges->len; i++) { + entry = g_ptr_array_index(crs_range_set.mem_ranges, i); + aml_append(rbuf, + aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, + AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, + entry->base, entry->limit, + 0x0000, entry->limit - entry->base + 1)); + } } + if (cfg->pio.size) { - aml_append(rbuf, - aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, - AML_ENTIRE_RANGE, 0x0000, 0x0000, - cfg->pio.size - 1, - cfg->pio.base, - cfg->pio.size)); + crs_replace_with_free_ranges(crs_range_set.io_ranges, + 0x0000, + cfg->pio.size - 1); + for (i = 0; i < crs_range_set.io_ranges->len; i++) { + entry = g_ptr_array_index(crs_range_set.io_ranges, i); + aml_append(rbuf, + aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, + AML_ENTIRE_RANGE, 0x0000, entry->base, + entry->limit, cfg->pio.base, + entry->limit - entry->base + 1)); + } } + if (cfg->mmio64.size) { - aml_append(rbuf, - aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, - AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, - cfg->mmio64.base, - cfg->mmio64.base + cfg->mmio64.size - 1, - 0x0000, - cfg->mmio64.size)); + crs_replace_with_free_ranges(crs_range_set.mem_64bit_ranges, + cfg->mmio64.base, + cfg->mmio64.base + cfg->mmio64.size - 1); + for (i = 0; i < crs_range_set.mem_64bit_ranges->len; i++) { + entry = g_ptr_array_index(crs_range_set.mem_64bit_ranges, i); + aml_append(rbuf, + aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, + AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, + entry->base, + entry->limit, 0x0000, + entry->limit - entry->base + 1)); + } } + aml_append(dev, aml_name_decl("_CRS", rbuf)); acpi_dsdt_add_pci_osc(dev, scope); @@ -190,4 +275,6 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) aml_append(dev_res0, aml_name_decl("_CRS", crs)); aml_append(dev, dev_res0); aml_append(scope, dev); + + crs_range_set_free(&crs_range_set); }