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Sat, 7 Oct 2023 13:17:49 -0700 From: To: , , , , , , , , , , , , , , , CC: , , , , , , , , , Subject: [PATCH v2 1/3] qom: new object to associate device to numa node Date: Sun, 8 Oct 2023 01:47:38 +0530 Message-ID: <20231007201740.30335-2-ankita@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20231007201740.30335-1-ankita@nvidia.com> References: <20231007201740.30335-1-ankita@nvidia.com> MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002BA4C:EE_|DM4PR12MB5939:EE_ X-MS-Office365-Filtering-Correlation-Id: 740e7478-0c2d-4d1b-ad6e-08dbc772886e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233; 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Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF0002BA4C.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5939 Received-SPF: softfail client-ip=2a01:111:f400:fe59::607; envelope-from=ankita@nvidia.com; helo=NAM12-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Ankit Agrawal The CPU cache coherent device memory can be added as NUMA nodes distinct from the system memory nodes. These nodes are associated with the device and Qemu needs a way to maintain this link. Introduce a new acpi-generic-initiator object to allow host admin provide the device and the corresponding NUMA node. Qemu maintain this association and use this object to build the requisite GI Affinity Structure. The admin provides the id of the device and the NUMA node id such as in the following example. -device vfio-pci-nohotplug,host=,bus=pcie.0,addr=04.0,rombar=0,id=dev0 \ -object acpi-generic-initiator,id=gi0,device=dev0,node=2 \ Signed-off-by: Ankit Agrawal --- hw/acpi/acpi-generic-initiator.c | 74 ++++++++++++++++++++++++ hw/acpi/meson.build | 1 + include/hw/acpi/acpi-generic-initiator.h | 30 ++++++++++ qapi/qom.json | 20 ++++++- 4 files changed, 123 insertions(+), 2 deletions(-) create mode 100644 hw/acpi/acpi-generic-initiator.c create mode 100644 include/hw/acpi/acpi-generic-initiator.h diff --git a/hw/acpi/acpi-generic-initiator.c b/hw/acpi/acpi-generic-initiator.c new file mode 100644 index 0000000000..6406736090 --- /dev/null +++ b/hw/acpi/acpi-generic-initiator.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "qapi/error.h" +#include "qapi/visitor.h" +#include "qom/object_interfaces.h" +#include "qom/object.h" +#include "hw/qdev-core.h" +#include "hw/vfio/vfio-common.h" +#include "hw/vfio/pci.h" +#include "hw/pci/pci_device.h" +#include "sysemu/numa.h" +#include "hw/acpi/acpi-generic-initiator.h" + +OBJECT_DEFINE_TYPE_WITH_INTERFACES(AcpiGenericInitiator, acpi_generic_initiator, + ACPI_GENERIC_INITIATOR, OBJECT, + { TYPE_USER_CREATABLE }, + { NULL }) + +OBJECT_DECLARE_SIMPLE_TYPE(AcpiGenericInitiator, ACPI_GENERIC_INITIATOR) + +static void acpi_generic_initiator_init(Object *obj) +{ + AcpiGenericInitiator *gi = ACPI_GENERIC_INITIATOR(obj); + gi->device = NULL; + gi->node = MAX_NODES; + gi->node_count = 1; +} + +static void acpi_generic_initiator_finalize(Object *obj) +{ + AcpiGenericInitiator *gi = ACPI_GENERIC_INITIATOR(obj); + + g_free(gi->device); +} + +static void acpi_generic_initiator_set_device(Object *obj, const char *value, + Error **errp) +{ + AcpiGenericInitiator *gi = ACPI_GENERIC_INITIATOR(obj); + + gi->device = g_strdup(value); +} + +static void acpi_generic_initiator_set_node(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) +{ + AcpiGenericInitiator *gi = ACPI_GENERIC_INITIATOR(obj); + uint32_t value; + + if (!visit_type_uint32(v, name, &value, errp)) { + return; + } + + if (value >= MAX_NODES) { + return; + } + + gi->node = value; +} + +static void acpi_generic_initiator_class_init(ObjectClass *oc, void *data) +{ + object_class_property_add_str(oc, ACPI_GENERIC_INITIATOR_DEVICE_PROP, NULL, + acpi_generic_initiator_set_device); + object_class_property_add(oc, ACPI_GENERIC_INITIATOR_NODE_PROP, "uint32", + NULL, acpi_generic_initiator_set_node, NULL, + NULL); +} diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build index fc1b952379..22252836ed 100644 --- a/hw/acpi/meson.build +++ b/hw/acpi/meson.build @@ -5,6 +5,7 @@ acpi_ss.add(files( 'bios-linker-loader.c', 'core.c', 'utils.c', + 'acpi-generic-initiator.c', )) acpi_ss.add(when: 'CONFIG_ACPI_CPU_HOTPLUG', if_true: files('cpu.c', 'cpu_hotplug.c')) acpi_ss.add(when: 'CONFIG_ACPI_CPU_HOTPLUG', if_false: files('acpi-cpu-hotplug-stub.c')) diff --git a/include/hw/acpi/acpi-generic-initiator.h b/include/hw/acpi/acpi-generic-initiator.h new file mode 100644 index 0000000000..e67e6e23b1 --- /dev/null +++ b/include/hw/acpi/acpi-generic-initiator.h @@ -0,0 +1,30 @@ +#ifndef ACPI_GENERIC_INITIATOR_H +#define ACPI_GENERIC_INITIATOR_H + +#include "hw/mem/pc-dimm.h" +#include "hw/acpi/bios-linker-loader.h" +#include "qemu/uuid.h" +#include "hw/acpi/aml-build.h" +#include "qom/object.h" +#include "qom/object_interfaces.h" + +#define TYPE_ACPI_GENERIC_INITIATOR "acpi-generic-initiator" + +#define ACPI_GENERIC_INITIATOR_DEVICE_PROP "device" +#define ACPI_GENERIC_INITIATOR_NODE_PROP "node" + +typedef struct AcpiGenericInitiator { + /* private */ + Object parent; + + /* public */ + char *device; + uint32_t node; + uint32_t node_count; +} AcpiGenericInitiator; + +typedef struct AcpiGenericInitiatorClass { + ObjectClass parent_class; +} AcpiGenericInitiatorClass; + +#endif diff --git a/qapi/qom.json b/qapi/qom.json index fa3e88c8e6..86c87a161c 100644 --- a/qapi/qom.json +++ b/qapi/qom.json @@ -779,6 +779,20 @@ { 'struct': 'VfioUserServerProperties', 'data': { 'socket': 'SocketAddress', 'device': 'str' } } +## +# @AcpiGenericInitiatorProperties: +# +# Properties for acpi-generic-initiator objects. +# +# @device: the ID of the device to be associated with the node +# +# @node: the ID of the numa node +# +# Since: 8.0 +## +{ 'struct': 'AcpiGenericInitiatorProperties', + 'data': { 'device': 'str', 'node': 'uint32' } } + ## # @RngProperties: # @@ -947,7 +961,8 @@ 'tls-creds-x509', 'tls-cipher-suites', { 'name': 'x-remote-object', 'features': [ 'unstable' ] }, - { 'name': 'x-vfio-user-server', 'features': [ 'unstable' ] } + { 'name': 'x-vfio-user-server', 'features': [ 'unstable' ] }, + 'acpi-generic-initiator' ] } ## @@ -1014,7 +1029,8 @@ 'tls-creds-x509': 'TlsCredsX509Properties', 'tls-cipher-suites': 'TlsCredsProperties', 'x-remote-object': 'RemoteObjectProperties', - 'x-vfio-user-server': 'VfioUserServerProperties' + 'x-vfio-user-server': 'VfioUserServerProperties', + 'acpi-generic-initiator': 'AcpiGenericInitiatorProperties' } } ##