From 168e3aa7acdf128fb8176616dfe099d6ef3c2182 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Wed, 8 Jun 2022 09:53:38 -0400 Subject: [PATCH] acpi: tpm-tis: use AcpiDevAmlIfClass:build_dev_aml to provide device's AML .. and clean up not longer needed conditionals in DSTD build code tpm-tis AML will be fetched and included when ISA bridge will build its own AML code (including attached devices). Expected AML change: the device under separate _SB.PCI0.ISA scope is moved directly under Device(ISA) node. Signed-off-by: Igor Mammedov Reviewed-by: Ani Sinha Acked-by: Gerd Hoffmann Message-Id: <20220608135340.3304695-34-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 34 ---------------------------------- hw/tpm/tpm_tis_isa.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+), 34 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 1204b6da05..0b65fc99cd 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1804,40 +1804,6 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, Aml *scope = aml_scope("PCI0"); /* Scan all PCI buses. Generate tables to support hotplug. */ build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en); - -#ifdef CONFIG_TPM - if (TPM_IS_TIS_ISA(tpm)) { - dev = aml_device("ISA.TPM"); - if (misc->tpm_version == TPM_VERSION_2_0) { - aml_append(dev, aml_name_decl("_HID", - aml_string("MSFT0101"))); - aml_append(dev, - aml_name_decl("_STR", - aml_string("TPM 2.0 Device"))); - } else { - aml_append(dev, aml_name_decl("_HID", - aml_eisaid("PNP0C31"))); - } - aml_append(dev, aml_name_decl("_UID", aml_int(1))); - - aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); - crs = aml_resource_template(); - aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, - TPM_TIS_ADDR_SIZE, AML_READ_WRITE)); - /* - FIXME: TPM_TIS_IRQ=5 conflicts with PNP0C0F irqs, - Rewrite to take IRQ from TPM device model and - fix default IRQ value there to use some unused IRQ - */ - /* aml_append(crs, aml_irq_no_flags(TPM_TIS_IRQ)); */ - aml_append(dev, aml_name_decl("_CRS", crs)); - - tpm_build_ppi_acpi(tpm, dev); - - aml_append(scope, dev); - } -#endif - aml_append(sb_scope, scope); } } diff --git a/hw/tpm/tpm_tis_isa.c b/hw/tpm/tpm_tis_isa.c index 3477afd735..91e3792248 100644 --- a/hw/tpm/tpm_tis_isa.c +++ b/hw/tpm/tpm_tis_isa.c @@ -30,6 +30,7 @@ #include "tpm_prop.h" #include "tpm_tis.h" #include "qom/object.h" +#include "hw/acpi/acpi_aml_interface.h" struct TPMStateISA { /*< private >*/ @@ -138,10 +139,39 @@ static void tpm_tis_isa_realizefn(DeviceState *dev, Error **errp) } } +static void build_tpm_tis_isa_aml(AcpiDevAmlIf *adev, Aml *scope) +{ + Aml *dev, *crs; + TPMStateISA *isadev = TPM_TIS_ISA(adev); + TPMIf *ti = TPM_IF(isadev); + + dev = aml_device("TPM"); + if (tpm_tis_isa_get_tpm_version(ti) == TPM_VERSION_2_0) { + aml_append(dev, aml_name_decl("_HID", aml_string("MSFT0101"))); + aml_append(dev, aml_name_decl("_STR", aml_string("TPM 2.0 Device"))); + } else { + aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C31"))); + } + aml_append(dev, aml_name_decl("_UID", aml_int(1))); + aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); + crs = aml_resource_template(); + aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, TPM_TIS_ADDR_SIZE, + AML_READ_WRITE)); + /* + * FIXME: TPM_TIS_IRQ=5 conflicts with PNP0C0F irqs, + * fix default TPM_TIS_IRQ value there to use some unused IRQ + */ + /* aml_append(crs, aml_irq_no_flags(isadev->state.irq_num)); */ + aml_append(dev, aml_name_decl("_CRS", crs)); + tpm_build_ppi_acpi(ti, dev); + aml_append(scope, dev); +} + static void tpm_tis_isa_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); TPMIfClass *tc = TPM_IF_CLASS(klass); + AcpiDevAmlIfClass *adevc = ACPI_DEV_AML_IF_CLASS(klass); device_class_set_props(dc, tpm_tis_isa_properties); dc->vmsd = &vmstate_tpm_tis_isa; @@ -151,6 +181,7 @@ static void tpm_tis_isa_class_init(ObjectClass *klass, void *data) tc->request_completed = tpm_tis_isa_request_completed; tc->get_version = tpm_tis_isa_get_tpm_version; set_bit(DEVICE_CATEGORY_MISC, dc->categories); + adevc->build_dev_aml = build_tpm_tis_isa_aml; } static const TypeInfo tpm_tis_isa_info = { @@ -161,6 +192,7 @@ static const TypeInfo tpm_tis_isa_info = { .class_init = tpm_tis_isa_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_TPM_IF }, + { TYPE_ACPI_DEV_AML_IF }, { } } };