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charset="utf-8" There can be multiple PCI buses behind different SMMU nodes. And each pair should be associated in the IORT table too when building the ID mappings. Create multiple SMMU nodes if needed, store their offsets in an array. Signed-off-by: Nicolin Chen --- hw/arm/virt-acpi-build.c | 36 ++++++++++++++++++++++++++---------- 1 file changed, 26 insertions(+), 10 deletions(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 91f53f90ca..6d8b9aea42 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -295,7 +295,7 @@ static int iort_idmap_compare(gconstpointer a, gconstpo= inter b) } =20 static void -build_iort_rmr_nodes(GArray *table_data, GArray *smmu_idmaps, int smmu_off= set, uint32_t *id) { +build_iort_rmr_nodes(GArray *table_data, GArray *smmu_idmaps, size_t *smmu= _offset, uint32_t *id) { AcpiIortIdMapping *range; int i; =20 @@ -323,7 +323,7 @@ build_iort_rmr_nodes(GArray *table_data, GArray *smmu_i= dmaps, int smmu_offset, u build_append_int_noprefix(table_data, 1 , 4); /* Reference to Memory Range Descriptors */ build_append_int_noprefix(table_data, 28 + ID_MAPPING_ENTRY_SIZE, = 4); - build_iort_id_mapping(table_data, bdf, range->id_count, smmu_offse= t, 1); + build_iort_id_mapping(table_data, bdf, range->id_count, smmu_offse= t[i], 1); =20 /* Table 19 Memory Range Descriptor */ =20 @@ -345,25 +345,42 @@ static void build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) { int i, nb_nodes, rc_mapping_count; - size_t node_size, smmu_offset =3D 0; + size_t node_size, *smmu_offset; AcpiIortIdMapping *idmap; uint32_t id =3D 0; GArray *smmu_idmaps =3D g_array_new(false, true, sizeof(AcpiIortIdMapp= ing)); GArray *its_idmaps =3D g_array_new(false, true, sizeof(AcpiIortIdMappi= ng)); AcpiIortIdMappingVM idmap_vm =3D { .vms =3D vms, .smmu_idmaps =3D smmu= _idmaps, }; + int irq_offset =3D NUM_SMMU_IRQS; + hwaddr offset =3D SMMU_IO_LEN; + int irq, num_smmus =3D 0; + hwaddr base; =20 AcpiTable table =3D { .sig =3D "IORT", .rev =3D 5, .oem_id =3D vms->oe= m_id, .oem_table_id =3D vms->oem_table_id }; /* Table 2 The IORT */ acpi_table_begin(&table, table_data); =20 + if (vms->num_nested_smmus) { + irq =3D vms->irqmap[VIRT_NESTED_SMMU] + ARM_SPI_BASE; + base =3D vms->memmap[VIRT_NESTED_SMMU].base; + num_smmus =3D vms->num_nested_smmus; + } else if (virt_has_smmuv3(vms)) { + irq =3D vms->irqmap[VIRT_SMMU] + ARM_SPI_BASE; + base =3D vms->memmap[VIRT_SMMU].base; + num_smmus =3D 1; + } + smmu_offset =3D g_new0(size_t, num_smmus); + + nb_nodes =3D 2; /* RC, ITS */ + nb_nodes +=3D num_smmus; /* SMMU nodes */ + if (virt_has_smmuv3(vms)) { AcpiIortIdMapping next_range =3D {0}; =20 object_child_foreach_recursive(object_get_root(), iort_host_bridges, &idmap_vm); =20 - nb_nodes =3D 3; /* RC, ITS, SMMUv3 */ =20 /* Sort the smmu idmap by input_base */ g_array_sort(smmu_idmaps, iort_idmap_compare); @@ -394,7 +411,6 @@ build_iort(GArray *table_data, BIOSLinker *linker, Virt= MachineState *vms) =20 rc_mapping_count =3D smmu_idmaps->len + its_idmaps->len; } else { - nb_nodes =3D 2; /* RC, ITS */ rc_mapping_count =3D 1; } /* Number of IORT Nodes */ @@ -416,10 +432,9 @@ build_iort(GArray *table_data, BIOSLinker *linker, Vir= tMachineState *vms) /* GIC ITS Identifier Array */ build_append_int_noprefix(table_data, 0 /* MADT translation_id */, 4); =20 - if (virt_has_smmuv3(vms)) { - int irq =3D vms->irqmap[VIRT_SMMU] + ARM_SPI_BASE; + for (i =3D 0; i < num_smmus; i++) { + smmu_offset[i] =3D table_data->len - table.table_offset; =20 - smmu_offset =3D table_data->len - table.table_offset; /* Table 9 SMMUv3 Format */ build_append_int_noprefix(table_data, 4 /* SMMUv3 */, 1); /* Type = */ node_size =3D SMMU_V3_ENTRY_SIZE + ID_MAPPING_ENTRY_SIZE; @@ -430,12 +445,13 @@ build_iort(GArray *table_data, BIOSLinker *linker, Vi= rtMachineState *vms) /* Reference to ID Array */ build_append_int_noprefix(table_data, SMMU_V3_ENTRY_SIZE, 4); /* Base address */ - build_append_int_noprefix(table_data, vms->memmap[VIRT_SMMU].base,= 8); + build_append_int_noprefix(table_data, base + i * offset, 8); /* Flags */ build_append_int_noprefix(table_data, 1 /* COHACC Override */, 4); build_append_int_noprefix(table_data, 0, 4); /* Reserved */ build_append_int_noprefix(table_data, 0, 8); /* VATOS address */ /* Model */ + irq +=3D irq_offset; build_append_int_noprefix(table_data, 0 /* Generic SMMU-v3 */, 4); build_append_int_noprefix(table_data, irq, 4); /* Event */ build_append_int_noprefix(table_data, irq + 1, 4); /* PRI */ @@ -487,7 +503,7 @@ build_iort(GArray *table_data, BIOSLinker *linker, Virt= MachineState *vms) range =3D &g_array_index(smmu_idmaps, AcpiIortIdMapping, i); /* output IORT node is the smmuv3 node */ build_iort_id_mapping(table_data, range->input_base, - range->id_count, smmu_offset, 0); + range->id_count, smmu_offset[i], 0); } =20 /* bypassed RIDs connect to ITS group node directly: RC -> ITS */ --=20 2.43.0