From patchwork Thu Sep 24 07:00:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Suvorova X-Patchwork-Id: 11796407 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3D08092C for ; Thu, 24 Sep 2020 07:04:21 +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 D3D0E2388A for ; Thu, 24 Sep 2020 07:04:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="S6MkpSYX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D3D0E2388A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:54364 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kLLIh-0004dy-R0 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 24 Sep 2020 03:04:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34516) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kLLFB-0000cb-Mw for qemu-devel@nongnu.org; Thu, 24 Sep 2020 03:00:41 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:40964) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kLLF9-0005HC-8i for qemu-devel@nongnu.org; Thu, 24 Sep 2020 03:00:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600930838; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZQFwmbZ4VN7pHz4afY3coYkBHA9Q3kTDJur7/45jT3U=; b=S6MkpSYXpY/sx/FExkwLi/88imRKjWw8jZr39+4fBjTzi7dQTWHOi+u1GN99ukvxShCq2K r71tLVHBIi8PBhbDYR1I+Kk4+4KeUCCCY6w0I7Ui1pKnoRKL0c1ZbAD/iF2AAra1b7fwW1 e+GRJE/zVJQpoqM7+q8QaAWLG8ZWi14= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-582-3TQS8U39O5m6Xhy5BsBOFQ-1; Thu, 24 Sep 2020 03:00:36 -0400 X-MC-Unique: 3TQS8U39O5m6Xhy5BsBOFQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 943FD807341; Thu, 24 Sep 2020 07:00:35 +0000 (UTC) Received: from pc-72.home.com (unknown [10.40.194.10]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CBFF173668; Thu, 24 Sep 2020 07:00:33 +0000 (UTC) From: Julia Suvorova To: qemu-devel@nongnu.org Subject: [RFC PATCH v3 2/7] hw/i386/acpi-build: Add ACPI PCI hot-plug methods to Q35 Date: Thu, 24 Sep 2020 09:00:08 +0200 Message-Id: <20200924070013.165026-3-jusual@redhat.com> In-Reply-To: <20200924070013.165026-1-jusual@redhat.com> References: <20200924070013.165026-1-jusual@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jusual@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=jusual@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/24 01:10:00 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -32 X-Spam_score: -3.3 X-Spam_bar: --- X-Spam_report: (-3.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.228, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=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: Ani Sinha , Igor Mammedov , Julia Suvorova , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Implement notifications and gpe to support q35 ACPI PCI hot-plug. Use 0xcc4 - 0xcd7 range for 'acpi-pci-hotplug' io ports. Signed-off-by: Julia Suvorova Acked-by: Gerd Hoffmann --- hw/i386/acpi-build.h | 4 ++++ include/hw/acpi/ich9.h | 2 ++ include/hw/acpi/pcihp.h | 3 ++- hw/acpi/pcihp.c | 8 ++++---- hw/acpi/piix4.c | 4 +++- hw/i386/acpi-build.c | 27 ++++++++++++++++----------- 6 files changed, 31 insertions(+), 17 deletions(-) diff --git a/hw/i386/acpi-build.h b/hw/i386/acpi-build.h index 74df5fc612..487ec7710f 100644 --- a/hw/i386/acpi-build.h +++ b/hw/i386/acpi-build.h @@ -5,6 +5,10 @@ extern const struct AcpiGenericAddress x86_nvdimm_acpi_dsmio; +/* PCI Hot-plug registers bases. See docs/spec/acpi_pci_hotplug.txt */ +#define ACPI_PCIHP_SEJ_BASE 0x8 +#define ACPI_PCIHP_BNMR_BASE 0x10 + void acpi_setup(void); #endif diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h index 28a53181cb..4d19571ed7 100644 --- a/include/hw/acpi/ich9.h +++ b/include/hw/acpi/ich9.h @@ -28,6 +28,8 @@ #include "hw/acpi/acpi_dev_interface.h" #include "hw/acpi/tco.h" +#define ACPI_PCIHP_ADDR_ICH9 0x0cc4 + typedef struct ICH9LPCPMRegs { /* * In ich9 spec says that pm1_cnt register is 32bit width and diff --git a/include/hw/acpi/pcihp.h b/include/hw/acpi/pcihp.h index 02f4665767..ce49fb03b9 100644 --- a/include/hw/acpi/pcihp.h +++ b/include/hw/acpi/pcihp.h @@ -54,7 +54,8 @@ typedef struct AcpiPciHpState { } AcpiPciHpState; void acpi_pcihp_init(Object *owner, AcpiPciHpState *, PCIBus *root, - MemoryRegion *address_space_io, bool bridges_enabled); + MemoryRegion *address_space_io, bool bridges_enabled, + uint16_t io_base); void acpi_pcihp_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp); diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c index ff23104aea..bb457bc279 100644 --- a/hw/acpi/pcihp.c +++ b/hw/acpi/pcihp.c @@ -38,7 +38,6 @@ #include "qom/qom-qobject.h" #include "trace.h" -#define ACPI_PCIHP_ADDR 0xae00 #define ACPI_PCIHP_SIZE 0x0014 #define PCI_UP_BASE 0x0000 #define PCI_DOWN_BASE 0x0004 @@ -381,12 +380,13 @@ static const MemoryRegionOps acpi_pcihp_io_ops = { }; void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus, - MemoryRegion *address_space_io, bool bridges_enabled) + MemoryRegion *address_space_io, bool bridges_enabled, + uint16_t io_base) { s->io_len = ACPI_PCIHP_SIZE; - s->io_base = ACPI_PCIHP_ADDR; + s->io_base = io_base; - s->root= root_bus; + s->root = root_bus; s->legacy_piix = !bridges_enabled; memory_region_init_io(&s->io, owner, &acpi_pcihp_io_ops, s, diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 832f8fba82..a505ab5bcf 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -50,6 +50,8 @@ #define GPE_BASE 0xafe0 #define GPE_LEN 4 +#define ACPI_PCIHP_ADDR_PIIX4 0xae00 + struct pci_status { uint32_t up; /* deprecated, maintained for migration compatibility */ uint32_t down; @@ -597,7 +599,7 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe); acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent, - s->use_acpi_hotplug_bridge); + s->use_acpi_hotplug_bridge, ACPI_PCIHP_ADDR_PIIX4); s->cpu_hotplug_legacy = true; object_property_add_bool(OBJECT(s), "cpu-hotplug-legacy", diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 0e0535d2e3..cf503b16af 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -201,10 +201,6 @@ static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm) /* w2k requires FADT(rev1) or it won't boot, keep PC compatible */ pm->fadt.rev = 1; pm->cpu_hp_io_base = PIIX4_CPU_HOTPLUG_IO_BASE; - pm->pcihp_io_base = - object_property_get_uint(obj, ACPI_PCIHP_IO_BASE_PROP, NULL); - pm->pcihp_io_len = - object_property_get_uint(obj, ACPI_PCIHP_IO_LEN_PROP, NULL); } if (lpc) { struct AcpiGenericAddress r = { .space_id = AML_AS_SYSTEM_IO, @@ -214,6 +210,10 @@ static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm) pm->fadt.flags |= 1 << ACPI_FADT_F_RESET_REG_SUP; pm->cpu_hp_io_base = ICH9_CPU_HOTPLUG_IO_BASE; } + pm->pcihp_io_base = + object_property_get_uint(obj, ACPI_PCIHP_IO_BASE_PROP, NULL); + pm->pcihp_io_len = + object_property_get_uint(obj, ACPI_PCIHP_IO_LEN_PROP, NULL); /* The above need not be conditional on machine type because the reset port * happens to be the same on PIIX (pc) and ICH9 (q35). */ @@ -472,7 +472,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, QLIST_FOREACH(sec, &bus->child, sibling) { int32_t devfn = sec->parent_dev->devfn; - if (pci_bus_is_root(sec) || pci_bus_is_express(sec)) { + if (pci_bus_is_root(sec)) { continue; } @@ -1368,7 +1368,7 @@ static void build_piix4_isa_bridge(Aml *table) aml_append(table, scope); } -static void build_piix4_pci_hotplug(Aml *table) +static void build_x86_pci_hotplug(Aml *table, uint64_t pcihp_addr) { Aml *scope; Aml *field; @@ -1377,20 +1377,22 @@ static void build_piix4_pci_hotplug(Aml *table) scope = aml_scope("_SB.PCI0"); aml_append(scope, - aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(0xae00), 0x08)); + aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(pcihp_addr), 0x08)); field = aml_field("PCST", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); aml_append(field, aml_named_field("PCIU", 32)); aml_append(field, aml_named_field("PCID", 32)); aml_append(scope, field); aml_append(scope, - aml_operation_region("SEJ", AML_SYSTEM_IO, aml_int(0xae08), 0x04)); + aml_operation_region("SEJ", AML_SYSTEM_IO, + aml_int(pcihp_addr + ACPI_PCIHP_SEJ_BASE), 0x04)); field = aml_field("SEJ", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); aml_append(field, aml_named_field("B0EJ", 32)); aml_append(scope, field); aml_append(scope, - aml_operation_region("BNMR", AML_SYSTEM_IO, aml_int(0xae10), 0x04)); + aml_operation_region("BNMR", AML_SYSTEM_IO, + aml_int(pcihp_addr + ACPI_PCIHP_BNMR_BASE), 0x04)); field = aml_field("BNMR", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); aml_append(field, aml_named_field("BNUM", 32)); aml_append(scope, field); @@ -1504,7 +1506,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, build_hpet_aml(dsdt); build_piix4_isa_bridge(dsdt); build_isa_devices_aml(dsdt); - build_piix4_pci_hotplug(dsdt); + build_x86_pci_hotplug(dsdt, pm->pcihp_io_base); build_piix4_pci0_int(dsdt); } else { sb_scope = aml_scope("_SB"); @@ -1520,6 +1522,9 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, build_hpet_aml(dsdt); build_q35_isa_bridge(dsdt); build_isa_devices_aml(dsdt); + if (pm->pcihp_bridge_en) { + build_x86_pci_hotplug(dsdt, pm->pcihp_io_base); + } build_q35_pci0_int(dsdt); if (pcms->smbus && !pcmc->do_not_add_smb_acpi) { build_smb0(dsdt, pcms->smbus, ICH9_SMB_DEV, ICH9_SMB_FUNC); @@ -1546,7 +1551,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, { aml_append(scope, aml_name_decl("_HID", aml_string("ACPI0006"))); - if (misc->is_piix4) { + if (misc->is_piix4 || pm->pcihp_bridge_en) { method = aml_method("_E01", 0, AML_NOTSERIALIZED); aml_append(method, aml_acquire(aml_name("\\_SB.PCI0.BLCK"), 0xFFFF));