diff options
Diffstat (limited to 'hw/acpi')
| -rw-r--r-- | hw/acpi/Kconfig | 4 | ||||
| -rw-r--r-- | hw/acpi/acpi-x86-stub.c | 5 | ||||
| -rw-r--r-- | hw/acpi/acpi_interface.c | 10 | ||||
| -rw-r--r-- | hw/acpi/cpu.c | 3 | ||||
| -rw-r--r-- | hw/acpi/meson.build | 4 | ||||
| -rw-r--r-- | hw/acpi/pci-bridge-stub.c | 20 | ||||
| -rw-r--r-- | hw/acpi/pci-bridge.c | 27 | ||||
| -rw-r--r-- | hw/acpi/pcihp.c | 35 | ||||
| -rw-r--r-- | hw/acpi/piix4.c | 5 |
9 files changed, 92 insertions, 21 deletions
diff --git a/hw/acpi/Kconfig b/hw/acpi/Kconfig index 1f7803fdab..e07d3204eb 100644 --- a/hw/acpi/Kconfig +++ b/hw/acpi/Kconfig @@ -39,6 +39,10 @@ config ACPI_PCIHP bool depends on ACPI +config ACPI_PCI_BRIDGE + bool + depends on ACPI && PCI && ACPI_PCIHP + config ACPI_HMAT bool depends on ACPI diff --git a/hw/acpi/acpi-x86-stub.c b/hw/acpi/acpi-x86-stub.c index 3df1e090f4..d0d399d26b 100644 --- a/hw/acpi/acpi-x86-stub.c +++ b/hw/acpi/acpi-x86-stub.c @@ -2,9 +2,8 @@ #include "hw/i386/pc.h" #include "hw/i386/acpi-build.h" -void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid, - const CPUArchIdList *apic_ids, GArray *entry, - bool force_enabled) +void pc_madt_cpu_entry(int uid, const CPUArchIdList *apic_ids, + GArray *entry, bool force_enabled) { } diff --git a/hw/acpi/acpi_interface.c b/hw/acpi/acpi_interface.c index c668d361f6..8637ff18fc 100644 --- a/hw/acpi/acpi_interface.c +++ b/hw/acpi/acpi_interface.c @@ -2,6 +2,7 @@ #include "hw/acpi/acpi_dev_interface.h" #include "hw/acpi/acpi_aml_interface.h" #include "qemu/module.h" +#include "qemu/queue.h" void acpi_send_event(DeviceState *dev, AcpiEventStatusBits event) { @@ -12,6 +13,15 @@ void acpi_send_event(DeviceState *dev, AcpiEventStatusBits event) } } +void qbus_build_aml(BusState *bus, Aml *scope) +{ + BusChild *kid; + + QTAILQ_FOREACH(kid, &bus->children, sibling) { + call_dev_aml_func(DEVICE(kid->child), scope); + } +} + static void register_types(void) { static const TypeInfo acpi_dev_if_info = { diff --git a/hw/acpi/cpu.c b/hw/acpi/cpu.c index 4e580959a2..19c154d78f 100644 --- a/hw/acpi/cpu.c +++ b/hw/acpi/cpu.c @@ -355,7 +355,6 @@ void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts, char *cphp_res_path = g_strdup_printf("%s." CPUHP_RES_DEVICE, res_root); Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, NULL); AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj); - AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj); cpu_ctrl_dev = aml_device("%s", cphp_res_path); { @@ -666,7 +665,7 @@ void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts, /* build _MAT object */ assert(adevc && adevc->madt_cpu); - adevc->madt_cpu(adev, i, arch_ids, madt_buf, + adevc->madt_cpu(i, arch_ids, madt_buf, true); /* set enabled flag */ aml_append(dev, aml_name_decl("_MAT", aml_buffer(madt_buf->len, (uint8_t *)madt_buf->data))); diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build index 30054a8cdc..50b73129b4 100644 --- a/hw/acpi/meson.build +++ b/hw/acpi/meson.build @@ -19,6 +19,7 @@ acpi_ss.add(when: 'CONFIG_ACPI_HW_REDUCED', if_true: files('generic_event_device acpi_ss.add(when: 'CONFIG_ACPI_HMAT', if_true: files('hmat.c')) acpi_ss.add(when: 'CONFIG_ACPI_APEI', if_true: files('ghes.c'), if_false: files('ghes-stub.c')) acpi_ss.add(when: 'CONFIG_ACPI_PIIX4', if_true: files('piix4.c')) +acpi_ss.add(when: 'CONFIG_ACPI_PCI_BRIDGE', if_true: files('pci-bridge.c')) acpi_ss.add(when: 'CONFIG_ACPI_PCIHP', if_true: files('pcihp.c')) acpi_ss.add(when: 'CONFIG_ACPI_PCIHP', if_false: files('acpi-pci-hotplug-stub.c')) acpi_ss.add(when: 'CONFIG_ACPI_VIOT', if_true: files('viot.c')) @@ -30,9 +31,10 @@ if have_tpm acpi_ss.add(files('tpm.c')) endif softmmu_ss.add(when: 'CONFIG_ACPI', if_false: files('acpi-stub.c', 'aml-build-stub.c', 'ghes-stub.c', 'acpi_interface.c')) +softmmu_ss.add(when: 'CONFIG_ACPI_PCI_BRIDGE', if_false: files('pci-bridge-stub.c')) softmmu_ss.add_all(when: 'CONFIG_ACPI', if_true: acpi_ss) softmmu_ss.add(when: 'CONFIG_ALL', if_true: files('acpi-stub.c', 'aml-build-stub.c', 'acpi-x86-stub.c', 'ipmi-stub.c', 'ghes-stub.c', 'acpi-mem-hotplug-stub.c', 'acpi-cpu-hotplug-stub.c', 'acpi-pci-hotplug-stub.c', 'acpi-nvdimm-stub.c', - 'cxl-stub.c')) + 'cxl-stub.c', 'pci-bridge-stub.c')) diff --git a/hw/acpi/pci-bridge-stub.c b/hw/acpi/pci-bridge-stub.c new file mode 100644 index 0000000000..9d78638c48 --- /dev/null +++ b/hw/acpi/pci-bridge-stub.c @@ -0,0 +1,20 @@ +/* + * QEMU ACPI PCI bridge stub + * + * Copyright (c) 2023 Red Hat, Inc. + * + * Author: + * Igor Mammedov <imammedo@redhat.com> + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "hw/acpi/pci.h" + +void build_pci_bridge_aml(AcpiDevAmlIf *adev, Aml *scope) +{ +} diff --git a/hw/acpi/pci-bridge.c b/hw/acpi/pci-bridge.c new file mode 100644 index 0000000000..5f3ee5157f --- /dev/null +++ b/hw/acpi/pci-bridge.c @@ -0,0 +1,27 @@ +/* + * QEMU ACPI PCI bridge + * + * Copyright (c) 2023 Red Hat, Inc. + * + * Author: + * Igor Mammedov <imammedo@redhat.com> + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "hw/acpi/pci.h" +#include "hw/pci/pci_bridge.h" +#include "hw/acpi/pcihp.h" + +void build_pci_bridge_aml(AcpiDevAmlIf *adev, Aml *scope) +{ + PCIBridge *br = PCI_BRIDGE(adev); + + if (object_property_find(OBJECT(&br->sec_bus), ACPI_PCIHP_PROP_BSEL)) { + build_append_pci_bus_devices(scope, pci_bridge_get_sec_bus(br)); + } +} diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c index 99a898d9ae..5dc7377411 100644 --- a/hw/acpi/pcihp.c +++ b/hw/acpi/pcihp.c @@ -85,31 +85,40 @@ static int acpi_pcihp_get_bsel(PCIBus *bus) } } -/* Assign BSEL property to all buses. In the future, this can be changed - * to only assign to buses that support hotplug. - */ +typedef struct { + unsigned bsel_alloc; + bool has_bridge_hotplug; +} BSELInfo; + +/* Assign BSEL property only to buses that support hotplug. */ static void *acpi_set_bsel(PCIBus *bus, void *opaque) { - unsigned *bsel_alloc = opaque; + BSELInfo *info = opaque; unsigned *bus_bsel; + DeviceState *br = bus->qbus.parent; + bool is_bridge = IS_PCI_BRIDGE(br); + /* hotplugged bridges can't be described in ACPI ignore them */ if (qbus_is_hotpluggable(BUS(bus))) { - bus_bsel = g_malloc(sizeof *bus_bsel); + if (!is_bridge || (!br->hotplugged && info->has_bridge_hotplug)) { + bus_bsel = g_malloc(sizeof *bus_bsel); - *bus_bsel = (*bsel_alloc)++; - object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, - bus_bsel, OBJ_PROP_FLAG_READ); + *bus_bsel = info->bsel_alloc++; + object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, + bus_bsel, OBJ_PROP_FLAG_READ); + } } - return bsel_alloc; + return info; } -static void acpi_set_pci_info(void) +static void acpi_set_pci_info(bool has_bridge_hotplug) { static bool bsel_is_set; Object *host = acpi_get_i386_pci_host(); PCIBus *bus; - unsigned bsel_alloc = ACPI_PCIHP_BSEL_DEFAULT; + BSELInfo info = { .bsel_alloc = ACPI_PCIHP_BSEL_DEFAULT, + .has_bridge_hotplug = has_bridge_hotplug }; if (bsel_is_set) { return; @@ -123,7 +132,7 @@ static void acpi_set_pci_info(void) bus = PCI_HOST_BRIDGE(host)->bus; if (bus) { /* Scan all PCI buses. Set property to enable acpi based hotplug. */ - pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &bsel_alloc); + pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &info); } } @@ -287,7 +296,7 @@ void acpi_pcihp_reset(AcpiPciHpState *s, bool acpihp_root_off) if (acpihp_root_off) { acpi_pcihp_disable_root_bus(); } - acpi_set_pci_info(); + acpi_set_pci_info(!s->legacy_piix); acpi_pcihp_update(s); } diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 0a81f1ad93..724294b378 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -21,7 +21,6 @@ #include "qemu/osdep.h" #include "hw/i386/pc.h" -#include "hw/southbridge/piix.h" #include "hw/irq.h" #include "hw/isa/apm.h" #include "hw/i2c/pm_smbus.h" @@ -305,7 +304,9 @@ static void piix4_pm_reset(DeviceState *dev) acpi_update_sci(&s->ar, s->irq); pm_io_space_update(s); - acpi_pcihp_reset(&s->acpi_pci_hotplug, !s->use_acpi_root_pci_hotplug); + if (s->use_acpi_hotplug_bridge || s->use_acpi_root_pci_hotplug) { + acpi_pcihp_reset(&s->acpi_pci_hotplug, !s->use_acpi_root_pci_hotplug); + } } static void piix4_pm_powerdown_req(Notifier *n, void *opaque) |