Message ID | 20210907144814.741785-18-imammedo@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | acpi: refactor error prone build_header() and packed structures usage in ACPI tables | expand |
On 9/7/21 4:47 PM, Igor Mammedov wrote: > Drop usage of packed structures and explicit endian conversions > when building SRAT tables for arm/x86 and use endian agnostic > build_append_int_noprefix() API to build it. > > Signed-off-by: Igor Mammedov <imammedo@redhat.com> > --- > v3: > * rebase on top of (e77af21a7a2 hw/i386/acpi-build: Get NUMA information from struct NumaState) > CC: xiaoguangrong.eric@gmail.com > CC: shannon.zhaosl@gmail.com > CC: peter.maydell@linaro.org > CC: marcel.apfelbaum@gmail.com > CC: qemu-arm@nongnu.org > CC: drjones@redhat.com > CC: eauger@redhat.com > --- > include/hw/acpi/acpi-defs.h | 49 ----------------------- > include/hw/acpi/aml-build.h | 2 +- > hw/acpi/aml-build.c | 24 ++++++++---- > hw/acpi/nvdimm.c | 4 +- > hw/arm/virt-acpi-build.c | 29 ++++++++------ > hw/i386/acpi-build.c | 78 +++++++++++++++++++++---------------- > 6 files changed, 80 insertions(+), 106 deletions(-) > > diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h > index 5826ee04b6..d293304f9c 100644 > --- a/include/hw/acpi/acpi-defs.h > +++ b/include/hw/acpi/acpi-defs.h > @@ -358,55 +358,6 @@ struct AcpiGenericTimerTable { > } QEMU_PACKED; > typedef struct AcpiGenericTimerTable AcpiGenericTimerTable; > > -#define ACPI_SRAT_PROCESSOR_APIC 0 > -#define ACPI_SRAT_MEMORY 1 > -#define ACPI_SRAT_PROCESSOR_x2APIC 2 > -#define ACPI_SRAT_PROCESSOR_GICC 3 > - > -struct AcpiSratProcessorAffinity { > - ACPI_SUB_HEADER_DEF > - uint8_t proximity_lo; > - uint8_t local_apic_id; > - uint32_t flags; > - uint8_t local_sapic_eid; > - uint8_t proximity_hi[3]; > - uint32_t reserved; > -} QEMU_PACKED; > -typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity; > - > -struct AcpiSratProcessorX2ApicAffinity { > - ACPI_SUB_HEADER_DEF > - uint16_t reserved; > - uint32_t proximity_domain; > - uint32_t x2apic_id; > - uint32_t flags; > - uint32_t clk_domain; > - uint32_t reserved2; > -} QEMU_PACKED; > -typedef struct AcpiSratProcessorX2ApicAffinity AcpiSratProcessorX2ApicAffinity; > - > -struct AcpiSratMemoryAffinity { > - ACPI_SUB_HEADER_DEF > - uint32_t proximity; > - uint16_t reserved1; > - uint64_t base_addr; > - uint64_t range_length; > - uint32_t reserved2; > - uint32_t flags; > - uint32_t reserved3[2]; > -} QEMU_PACKED; > -typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity; > - > -struct AcpiSratProcessorGiccAffinity { > - ACPI_SUB_HEADER_DEF > - uint32_t proximity; > - uint32_t acpi_processor_uid; > - uint32_t flags; > - uint32_t clock_domain; > -} QEMU_PACKED; > - > -typedef struct AcpiSratProcessorGiccAffinity AcpiSratProcessorGiccAffinity; > - > /* DMAR - DMA Remapping table r2.2 */ > struct AcpiTableDmar { > ACPI_TABLE_HEADER_DEF > diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h > index 4242382399..6e1f42e119 100644 > --- a/include/hw/acpi/aml-build.h > +++ b/include/hw/acpi/aml-build.h > @@ -487,7 +487,7 @@ Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set, uint32_t io_offset, > uint32_t mmio32_offset, uint64_t mmio64_offset, > uint16_t bus_nr_offset); > > -void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, > +void build_srat_memory(GArray *table_data, uint64_t base, > uint64_t len, int node, MemoryAffinityFlags flags); > > void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms, > diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c > index 5e8bfb631c..050fdb3f37 100644 > --- a/hw/acpi/aml-build.c > +++ b/hw/acpi/aml-build.c > @@ -1936,15 +1936,25 @@ build_xsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, > acpi_table_end(linker, &table); > } > > -void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, > +/* > + * ACPI spec, Revision 4.0 > + * 5.2.16.2 Memory Affinity Structure > + */ > +void build_srat_memory(GArray *table_data, uint64_t base, > uint64_t len, int node, MemoryAffinityFlags flags) > { > - numamem->type = ACPI_SRAT_MEMORY; > - numamem->length = sizeof(*numamem); > - numamem->proximity = cpu_to_le32(node); > - numamem->flags = cpu_to_le32(flags); > - numamem->base_addr = cpu_to_le64(base); > - numamem->range_length = cpu_to_le64(len); > + build_append_int_noprefix(table_data, 1, 1); /* Type */ > + build_append_int_noprefix(table_data, 40, 1); /* Length */ > + build_append_int_noprefix(table_data, node, 4); /* Proximity Domain */ > + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ > + build_append_int_noprefix(table_data, base, 4); /* Base Address Low */ > + /* Base Address High */ > + build_append_int_noprefix(table_data, base >> 32, 4); > + build_append_int_noprefix(table_data, len, 4); /* Length Low */ > + build_append_int_noprefix(table_data, len >> 32, 4); /* Length High */ > + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ > + build_append_int_noprefix(table_data, flags, 4); /* Flags */ > + build_append_int_noprefix(table_data, 0, 8); /* Reserved */ > } > > /* > diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c > index e050b47c2b..baab81f7a6 100644 > --- a/hw/acpi/nvdimm.c > +++ b/hw/acpi/nvdimm.c > @@ -1336,7 +1336,6 @@ void nvdimm_build_srat(GArray *table_data) > GSList *device_list = nvdimm_get_device_list(); > > for (; device_list; device_list = device_list->next) { > - AcpiSratMemoryAffinity *numamem = NULL; > DeviceState *dev = device_list->data; > Object *obj = OBJECT(dev); > uint64_t addr, size; > @@ -1346,8 +1345,7 @@ void nvdimm_build_srat(GArray *table_data) > addr = object_property_get_uint(obj, PC_DIMM_ADDR_PROP, &error_abort); > size = object_property_get_uint(obj, PC_DIMM_SIZE_PROP, &error_abort); > > - numamem = acpi_data_push(table_data, sizeof *numamem); > - build_srat_memory(numamem, addr, size, node, > + build_srat_memory(table_data, addr, size, node, > MEM_AFFINITY_ENABLED | MEM_AFFINITY_NON_VOLATILE); > } > g_slist_free(device_list); > diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c > index 21efe7fe34..6ba02cf281 100644 > --- a/hw/arm/virt-acpi-build.c > +++ b/hw/arm/virt-acpi-build.c > @@ -474,11 +474,13 @@ build_spcr(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) > vms->oem_table_id); > } > > +/* > + * ACPI spec, Revision 5.1 > + * 5.2.16 System Resource Affinity Table (SRAT) > + */ > static void > build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) > { > - AcpiSratProcessorGiccAffinity *core; > - AcpiSratMemoryAffinity *numamem; > int i; > uint64_t mem_base; > MachineClass *mc = MACHINE_GET_CLASS(vms); > @@ -492,19 +494,23 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) > build_append_int_noprefix(table_data, 0, 8); /* Reserved */ > > for (i = 0; i < cpu_list->len; ++i) { > - core = acpi_data_push(table_data, sizeof(*core)); > - core->type = ACPI_SRAT_PROCESSOR_GICC; > - core->length = sizeof(*core); > - core->proximity = cpu_to_le32(cpu_list->cpus[i].props.node_id); > - core->acpi_processor_uid = cpu_to_le32(i); > - core->flags = cpu_to_le32(1); > + uint32_t nodeid = cpu_list->cpus[i].props.node_id; > + /* > + * 5.2.16.4 GICC Affinity Structure > + */ > + build_append_int_noprefix(table_data, 3, 1); /* Type */ > + build_append_int_noprefix(table_data, 18, 1); /* Length */ > + build_append_int_noprefix(table_data, nodeid, 4); /* Proximity Domain */ > + build_append_int_noprefix(table_data, i, 4); /* ACPI Processor UID */ > + /* Flags, Table 5-76 */ > + build_append_int_noprefix(table_data, 1 /* Enabled */, 4); > + build_append_int_noprefix(table_data, 0, 4); /* Clock Domain */ > } > > mem_base = vms->memmap[VIRT_MEM].base; > for (i = 0; i < ms->numa_state->num_nodes; ++i) { > if (ms->numa_state->nodes[i].node_mem > 0) { > - numamem = acpi_data_push(table_data, sizeof(*numamem)); > - build_srat_memory(numamem, mem_base, > + build_srat_memory(table_data, mem_base, > ms->numa_state->nodes[i].node_mem, i, > MEM_AFFINITY_ENABLED); > mem_base += ms->numa_state->nodes[i].node_mem; > @@ -516,8 +522,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) > } > > if (ms->device_memory) { > - numamem = acpi_data_push(table_data, sizeof *numamem); > - build_srat_memory(numamem, ms->device_memory->base, > + build_srat_memory(table_data, ms->device_memory->base, > memory_region_size(&ms->device_memory->mr), > ms->numa_state->num_nodes - 1, > MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); > diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c > index 41c0a63b30..51e0ba07b6 100644 > --- a/hw/i386/acpi-build.c > +++ b/hw/i386/acpi-build.c > @@ -1917,13 +1917,15 @@ build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog, > #define HOLE_640K_START (640 * KiB) > #define HOLE_640K_END (1 * MiB) > > +/* > + * ACPI spec, Revision 3.0 > + * 5.2.15 System Resource Affinity Table (SRAT) > + */ > static void > build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > { > - AcpiSratMemoryAffinity *numamem; > - > int i; > - int numa_start, slots; > + int numa_mem_start, slots; > uint64_t mem_len, mem_base, next_base; > MachineClass *mc = MACHINE_GET_CLASS(machine); > X86MachineState *x86ms = X86_MACHINE(machine); > @@ -1946,34 +1948,41 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > uint32_t apic_id = apic_ids->cpus[i].arch_id; > > if (apic_id < 255) { > - AcpiSratProcessorAffinity *core; > - > - core = acpi_data_push(table_data, sizeof *core); > - core->type = ACPI_SRAT_PROCESSOR_APIC; > - core->length = sizeof(*core); > - core->local_apic_id = apic_id; > - core->proximity_lo = node_id; > - memset(core->proximity_hi, 0, 3); > - core->local_sapic_eid = 0; > - core->flags = cpu_to_le32(1); > + /* 5.2.15.1 Processor Local APIC/SAPIC Affinity Structure */ > + build_append_int_noprefix(table_data, 0, 1); /* Type */ > + build_append_int_noprefix(table_data, 16, 1); /* Length */ > + /* Proximity Domain [7:0] */ > + build_append_int_noprefix(table_data, node_id, 1); > + build_append_int_noprefix(table_data, apic_id, 1); /* APIC ID */ > + /* Flags, Table 5-36 */ > + build_append_int_noprefix(table_data, 1, 4); > + build_append_int_noprefix(table_data, 0, 1); /* Local SAPIC EID */ > + /* Proximity Domain [31:8] */ > + build_append_int_noprefix(table_data, 0, 3); > + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ clock domain? > } else { > - AcpiSratProcessorX2ApicAffinity *core; > - > - core = acpi_data_push(table_data, sizeof *core); > - core->type = ACPI_SRAT_PROCESSOR_x2APIC; > - core->length = sizeof(*core); > - core->x2apic_id = cpu_to_le32(apic_id); > - core->proximity_domain = cpu_to_le32(node_id); > - core->flags = cpu_to_le32(1); > + /* > + * ACPI spec, Revision 4.0 > + * 5.2.16.3 Processor Local x2APIC Affinity Structure > + */ > + build_append_int_noprefix(table_data, 2, 1); /* Type */ > + build_append_int_noprefix(table_data, 24, 1); /* Length */ > + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ > + /* Proximity Domain */ > + build_append_int_noprefix(table_data, node_id, 4); > + build_append_int_noprefix(table_data, apic_id, 4); /* X2APIC ID */ > + /* Flags, Table 5-39 */ > + build_append_int_noprefix(table_data, 1 /* Enabled */, 4); > + build_append_int_noprefix(table_data, 0, 4); /* Clock Domain */ > + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ > } > } > > - > /* the memory map is a bit tricky, it contains at least one hole > * from 640k-1M and possibly another one from 3.5G-4G. > */ > next_base = 0; > - numa_start = table_data->len; > + numa_mem_start = table_data->len; > > for (i = 1; i < nb_numa_nodes + 1; ++i) { > mem_base = next_base; > @@ -1985,8 +1994,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > next_base > HOLE_640K_START) { > mem_len -= next_base - HOLE_640K_START; > if (mem_len > 0) { > - numamem = acpi_data_push(table_data, sizeof *numamem); > - build_srat_memory(numamem, mem_base, mem_len, i - 1, > + build_srat_memory(table_data, mem_base, mem_len, i - 1, > MEM_AFFINITY_ENABLED); > } > > @@ -2004,8 +2012,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > next_base > x86ms->below_4g_mem_size) { > mem_len -= next_base - x86ms->below_4g_mem_size; > if (mem_len > 0) { > - numamem = acpi_data_push(table_data, sizeof *numamem); > - build_srat_memory(numamem, mem_base, mem_len, i - 1, > + build_srat_memory(table_data, mem_base, mem_len, i - 1, > MEM_AFFINITY_ENABLED); > } > mem_base = 1ULL << 32; > @@ -2014,8 +2021,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > } > > if (mem_len > 0) { > - numamem = acpi_data_push(table_data, sizeof *numamem); > - build_srat_memory(numamem, mem_base, mem_len, i - 1, > + build_srat_memory(table_data, mem_base, mem_len, i - 1, > MEM_AFFINITY_ENABLED); > } > } > @@ -2024,10 +2030,15 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > nvdimm_build_srat(table_data); > } > > - slots = (table_data->len - numa_start) / sizeof *numamem; > + /* > + * TODO: this part is not in ACPI spec and current linux kernel boots fine > + * without these entries. But I recall there were issues the last time I > + * tried to remove it with some ancient guest OS, however I can't remember > + * what that was so keep this around for now > + */ > + slots = (table_data->len - numa_mem_start) / 40 /* mem affinity len */; > for (; slots < nb_numa_nodes + 2; slots++) { > - numamem = acpi_data_push(table_data, sizeof *numamem); > - build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS); > + build_srat_memory(table_data, 0, 0, 0, MEM_AFFINITY_NOFLAGS); > } > > /* > @@ -2039,8 +2050,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > * providing _PXM method if necessary. > */ > if (hotplugabble_address_space_size) { > - numamem = acpi_data_push(table_data, sizeof *numamem); > - build_srat_memory(numamem, machine->device_memory->base, > + build_srat_memory(table_data, machine->device_memory->base, > hotplugabble_address_space_size, nb_numa_nodes - 1, > MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); > } > Besides Reviewed-by: Eric Auger <eric.auger@redhat.com> Eric
On Wed, 22 Sep 2021 10:55:20 +0200 Eric Auger <eauger@redhat.com> wrote: > On 9/7/21 4:47 PM, Igor Mammedov wrote: > > Drop usage of packed structures and explicit endian conversions > > when building SRAT tables for arm/x86 and use endian agnostic > > build_append_int_noprefix() API to build it. > > > > Signed-off-by: Igor Mammedov <imammedo@redhat.com> > > --- > > v3: > > * rebase on top of (e77af21a7a2 hw/i386/acpi-build: Get NUMA information from struct NumaState) > > CC: xiaoguangrong.eric@gmail.com > > CC: shannon.zhaosl@gmail.com > > CC: peter.maydell@linaro.org > > CC: marcel.apfelbaum@gmail.com > > CC: qemu-arm@nongnu.org > > CC: drjones@redhat.com > > CC: eauger@redhat.com > > --- > > include/hw/acpi/acpi-defs.h | 49 ----------------------- > > include/hw/acpi/aml-build.h | 2 +- > > hw/acpi/aml-build.c | 24 ++++++++---- > > hw/acpi/nvdimm.c | 4 +- > > hw/arm/virt-acpi-build.c | 29 ++++++++------ > > hw/i386/acpi-build.c | 78 +++++++++++++++++++++---------------- > > 6 files changed, 80 insertions(+), 106 deletions(-) > > > > diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h > > index 5826ee04b6..d293304f9c 100644 > > --- a/include/hw/acpi/acpi-defs.h > > +++ b/include/hw/acpi/acpi-defs.h > > @@ -358,55 +358,6 @@ struct AcpiGenericTimerTable { > > } QEMU_PACKED; > > typedef struct AcpiGenericTimerTable AcpiGenericTimerTable; > > > > -#define ACPI_SRAT_PROCESSOR_APIC 0 > > -#define ACPI_SRAT_MEMORY 1 > > -#define ACPI_SRAT_PROCESSOR_x2APIC 2 > > -#define ACPI_SRAT_PROCESSOR_GICC 3 > > - > > -struct AcpiSratProcessorAffinity { > > - ACPI_SUB_HEADER_DEF > > - uint8_t proximity_lo; > > - uint8_t local_apic_id; > > - uint32_t flags; > > - uint8_t local_sapic_eid; > > - uint8_t proximity_hi[3]; > > - uint32_t reserved; > > -} QEMU_PACKED; > > -typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity; > > - > > -struct AcpiSratProcessorX2ApicAffinity { > > - ACPI_SUB_HEADER_DEF > > - uint16_t reserved; > > - uint32_t proximity_domain; > > - uint32_t x2apic_id; > > - uint32_t flags; > > - uint32_t clk_domain; > > - uint32_t reserved2; > > -} QEMU_PACKED; > > -typedef struct AcpiSratProcessorX2ApicAffinity AcpiSratProcessorX2ApicAffinity; > > - > > -struct AcpiSratMemoryAffinity { > > - ACPI_SUB_HEADER_DEF > > - uint32_t proximity; > > - uint16_t reserved1; > > - uint64_t base_addr; > > - uint64_t range_length; > > - uint32_t reserved2; > > - uint32_t flags; > > - uint32_t reserved3[2]; > > -} QEMU_PACKED; > > -typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity; > > - > > -struct AcpiSratProcessorGiccAffinity { > > - ACPI_SUB_HEADER_DEF > > - uint32_t proximity; > > - uint32_t acpi_processor_uid; > > - uint32_t flags; > > - uint32_t clock_domain; > > -} QEMU_PACKED; > > - > > -typedef struct AcpiSratProcessorGiccAffinity AcpiSratProcessorGiccAffinity; > > - > > /* DMAR - DMA Remapping table r2.2 */ > > struct AcpiTableDmar { > > ACPI_TABLE_HEADER_DEF > > diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h > > index 4242382399..6e1f42e119 100644 > > --- a/include/hw/acpi/aml-build.h > > +++ b/include/hw/acpi/aml-build.h > > @@ -487,7 +487,7 @@ Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set, uint32_t io_offset, > > uint32_t mmio32_offset, uint64_t mmio64_offset, > > uint16_t bus_nr_offset); > > > > -void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, > > +void build_srat_memory(GArray *table_data, uint64_t base, > > uint64_t len, int node, MemoryAffinityFlags flags); > > > > void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms, > > diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c > > index 5e8bfb631c..050fdb3f37 100644 > > --- a/hw/acpi/aml-build.c > > +++ b/hw/acpi/aml-build.c > > @@ -1936,15 +1936,25 @@ build_xsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, > > acpi_table_end(linker, &table); > > } > > > > -void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, > > +/* > > + * ACPI spec, Revision 4.0 > > + * 5.2.16.2 Memory Affinity Structure > > + */ > > +void build_srat_memory(GArray *table_data, uint64_t base, > > uint64_t len, int node, MemoryAffinityFlags flags) > > { > > - numamem->type = ACPI_SRAT_MEMORY; > > - numamem->length = sizeof(*numamem); > > - numamem->proximity = cpu_to_le32(node); > > - numamem->flags = cpu_to_le32(flags); > > - numamem->base_addr = cpu_to_le64(base); > > - numamem->range_length = cpu_to_le64(len); > > + build_append_int_noprefix(table_data, 1, 1); /* Type */ > > + build_append_int_noprefix(table_data, 40, 1); /* Length */ > > + build_append_int_noprefix(table_data, node, 4); /* Proximity Domain */ > > + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ > > + build_append_int_noprefix(table_data, base, 4); /* Base Address Low */ > > + /* Base Address High */ > > + build_append_int_noprefix(table_data, base >> 32, 4); > > + build_append_int_noprefix(table_data, len, 4); /* Length Low */ > > + build_append_int_noprefix(table_data, len >> 32, 4); /* Length High */ > > + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ > > + build_append_int_noprefix(table_data, flags, 4); /* Flags */ > > + build_append_int_noprefix(table_data, 0, 8); /* Reserved */ > > } > > > > /* > > diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c > > index e050b47c2b..baab81f7a6 100644 > > --- a/hw/acpi/nvdimm.c > > +++ b/hw/acpi/nvdimm.c > > @@ -1336,7 +1336,6 @@ void nvdimm_build_srat(GArray *table_data) > > GSList *device_list = nvdimm_get_device_list(); > > > > for (; device_list; device_list = device_list->next) { > > - AcpiSratMemoryAffinity *numamem = NULL; > > DeviceState *dev = device_list->data; > > Object *obj = OBJECT(dev); > > uint64_t addr, size; > > @@ -1346,8 +1345,7 @@ void nvdimm_build_srat(GArray *table_data) > > addr = object_property_get_uint(obj, PC_DIMM_ADDR_PROP, &error_abort); > > size = object_property_get_uint(obj, PC_DIMM_SIZE_PROP, &error_abort); > > > > - numamem = acpi_data_push(table_data, sizeof *numamem); > > - build_srat_memory(numamem, addr, size, node, > > + build_srat_memory(table_data, addr, size, node, > > MEM_AFFINITY_ENABLED | MEM_AFFINITY_NON_VOLATILE); > > } > > g_slist_free(device_list); > > diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c > > index 21efe7fe34..6ba02cf281 100644 > > --- a/hw/arm/virt-acpi-build.c > > +++ b/hw/arm/virt-acpi-build.c > > @@ -474,11 +474,13 @@ build_spcr(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) > > vms->oem_table_id); > > } > > > > +/* > > + * ACPI spec, Revision 5.1 > > + * 5.2.16 System Resource Affinity Table (SRAT) > > + */ > > static void > > build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) > > { > > - AcpiSratProcessorGiccAffinity *core; > > - AcpiSratMemoryAffinity *numamem; > > int i; > > uint64_t mem_base; > > MachineClass *mc = MACHINE_GET_CLASS(vms); > > @@ -492,19 +494,23 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) > > build_append_int_noprefix(table_data, 0, 8); /* Reserved */ > > > > for (i = 0; i < cpu_list->len; ++i) { > > - core = acpi_data_push(table_data, sizeof(*core)); > > - core->type = ACPI_SRAT_PROCESSOR_GICC; > > - core->length = sizeof(*core); > > - core->proximity = cpu_to_le32(cpu_list->cpus[i].props.node_id); > > - core->acpi_processor_uid = cpu_to_le32(i); > > - core->flags = cpu_to_le32(1); > > + uint32_t nodeid = cpu_list->cpus[i].props.node_id; > > + /* > > + * 5.2.16.4 GICC Affinity Structure > > + */ > > + build_append_int_noprefix(table_data, 3, 1); /* Type */ > > + build_append_int_noprefix(table_data, 18, 1); /* Length */ > > + build_append_int_noprefix(table_data, nodeid, 4); /* Proximity Domain */ > > + build_append_int_noprefix(table_data, i, 4); /* ACPI Processor UID */ > > + /* Flags, Table 5-76 */ > > + build_append_int_noprefix(table_data, 1 /* Enabled */, 4); > > + build_append_int_noprefix(table_data, 0, 4); /* Clock Domain */ > > } > > > > mem_base = vms->memmap[VIRT_MEM].base; > > for (i = 0; i < ms->numa_state->num_nodes; ++i) { > > if (ms->numa_state->nodes[i].node_mem > 0) { > > - numamem = acpi_data_push(table_data, sizeof(*numamem)); > > - build_srat_memory(numamem, mem_base, > > + build_srat_memory(table_data, mem_base, > > ms->numa_state->nodes[i].node_mem, i, > > MEM_AFFINITY_ENABLED); > > mem_base += ms->numa_state->nodes[i].node_mem; > > @@ -516,8 +522,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) > > } > > > > if (ms->device_memory) { > > - numamem = acpi_data_push(table_data, sizeof *numamem); > > - build_srat_memory(numamem, ms->device_memory->base, > > + build_srat_memory(table_data, ms->device_memory->base, > > memory_region_size(&ms->device_memory->mr), > > ms->numa_state->num_nodes - 1, > > MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); > > diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c > > index 41c0a63b30..51e0ba07b6 100644 > > --- a/hw/i386/acpi-build.c > > +++ b/hw/i386/acpi-build.c > > @@ -1917,13 +1917,15 @@ build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog, > > #define HOLE_640K_START (640 * KiB) > > #define HOLE_640K_END (1 * MiB) > > > > +/* > > + * ACPI spec, Revision 3.0 > > + * 5.2.15 System Resource Affinity Table (SRAT) > > + */ > > static void > > build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > > { > > - AcpiSratMemoryAffinity *numamem; > > - > > int i; > > - int numa_start, slots; > > + int numa_mem_start, slots; > > uint64_t mem_len, mem_base, next_base; > > MachineClass *mc = MACHINE_GET_CLASS(machine); > > X86MachineState *x86ms = X86_MACHINE(machine); > > @@ -1946,34 +1948,41 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > > uint32_t apic_id = apic_ids->cpus[i].arch_id; > > > > if (apic_id < 255) { > > - AcpiSratProcessorAffinity *core; > > - > > - core = acpi_data_push(table_data, sizeof *core); > > - core->type = ACPI_SRAT_PROCESSOR_APIC; > > - core->length = sizeof(*core); > > - core->local_apic_id = apic_id; > > - core->proximity_lo = node_id; > > - memset(core->proximity_hi, 0, 3); > > - core->local_sapic_eid = 0; > > - core->flags = cpu_to_le32(1); > > + /* 5.2.15.1 Processor Local APIC/SAPIC Affinity Structure */ > > + build_append_int_noprefix(table_data, 0, 1); /* Type */ > > + build_append_int_noprefix(table_data, 16, 1); /* Length */ > > + /* Proximity Domain [7:0] */ > > + build_append_int_noprefix(table_data, node_id, 1); > > + build_append_int_noprefix(table_data, apic_id, 1); /* APIC ID */ > > + /* Flags, Table 5-36 */ > > + build_append_int_noprefix(table_data, 1, 4); > > + build_append_int_noprefix(table_data, 0, 1); /* Local SAPIC EID */ > > + /* Proximity Domain [31:8] */ > > + build_append_int_noprefix(table_data, 0, 3); > > + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ > clock domain? not in 3.0, it was renamed later (4.0) > > } else { > > - AcpiSratProcessorX2ApicAffinity *core; > > - > > - core = acpi_data_push(table_data, sizeof *core); > > - core->type = ACPI_SRAT_PROCESSOR_x2APIC; > > - core->length = sizeof(*core); > > - core->x2apic_id = cpu_to_le32(apic_id); > > - core->proximity_domain = cpu_to_le32(node_id); > > - core->flags = cpu_to_le32(1); > > + /* > > + * ACPI spec, Revision 4.0 > > + * 5.2.16.3 Processor Local x2APIC Affinity Structure > > + */ > > + build_append_int_noprefix(table_data, 2, 1); /* Type */ > > + build_append_int_noprefix(table_data, 24, 1); /* Length */ > > + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ > > + /* Proximity Domain */ > > + build_append_int_noprefix(table_data, node_id, 4); > > + build_append_int_noprefix(table_data, apic_id, 4); /* X2APIC ID */ > > + /* Flags, Table 5-39 */ > > + build_append_int_noprefix(table_data, 1 /* Enabled */, 4); > > + build_append_int_noprefix(table_data, 0, 4); /* Clock Domain */ > > + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ > > } > > } > > > > - > > /* the memory map is a bit tricky, it contains at least one hole > > * from 640k-1M and possibly another one from 3.5G-4G. > > */ > > next_base = 0; > > - numa_start = table_data->len; > > + numa_mem_start = table_data->len; > > > > for (i = 1; i < nb_numa_nodes + 1; ++i) { > > mem_base = next_base; > > @@ -1985,8 +1994,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > > next_base > HOLE_640K_START) { > > mem_len -= next_base - HOLE_640K_START; > > if (mem_len > 0) { > > - numamem = acpi_data_push(table_data, sizeof *numamem); > > - build_srat_memory(numamem, mem_base, mem_len, i - 1, > > + build_srat_memory(table_data, mem_base, mem_len, i - 1, > > MEM_AFFINITY_ENABLED); > > } > > > > @@ -2004,8 +2012,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > > next_base > x86ms->below_4g_mem_size) { > > mem_len -= next_base - x86ms->below_4g_mem_size; > > if (mem_len > 0) { > > - numamem = acpi_data_push(table_data, sizeof *numamem); > > - build_srat_memory(numamem, mem_base, mem_len, i - 1, > > + build_srat_memory(table_data, mem_base, mem_len, i - 1, > > MEM_AFFINITY_ENABLED); > > } > > mem_base = 1ULL << 32; > > @@ -2014,8 +2021,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > > } > > > > if (mem_len > 0) { > > - numamem = acpi_data_push(table_data, sizeof *numamem); > > - build_srat_memory(numamem, mem_base, mem_len, i - 1, > > + build_srat_memory(table_data, mem_base, mem_len, i - 1, > > MEM_AFFINITY_ENABLED); > > } > > } > > @@ -2024,10 +2030,15 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > > nvdimm_build_srat(table_data); > > } > > > > - slots = (table_data->len - numa_start) / sizeof *numamem; > > + /* > > + * TODO: this part is not in ACPI spec and current linux kernel boots fine > > + * without these entries. But I recall there were issues the last time I > > + * tried to remove it with some ancient guest OS, however I can't remember > > + * what that was so keep this around for now > > + */ > > + slots = (table_data->len - numa_mem_start) / 40 /* mem affinity len */; > > for (; slots < nb_numa_nodes + 2; slots++) { > > - numamem = acpi_data_push(table_data, sizeof *numamem); > > - build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS); > > + build_srat_memory(table_data, 0, 0, 0, MEM_AFFINITY_NOFLAGS); > > } > > > > /* > > @@ -2039,8 +2050,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) > > * providing _PXM method if necessary. > > */ > > if (hotplugabble_address_space_size) { > > - numamem = acpi_data_push(table_data, sizeof *numamem); > > - build_srat_memory(numamem, machine->device_memory->base, > > + build_srat_memory(table_data, machine->device_memory->base, > > hotplugabble_address_space_size, nb_numa_nodes - 1, > > MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); > > } > > > Besides > Reviewed-by: Eric Auger <eric.auger@redhat.com> > > Eric >
On 9/22/21 12:02 PM, Igor Mammedov wrote: > On Wed, 22 Sep 2021 10:55:20 +0200 > Eric Auger <eauger@redhat.com> wrote: > >> On 9/7/21 4:47 PM, Igor Mammedov wrote: >>> Drop usage of packed structures and explicit endian conversions >>> when building SRAT tables for arm/x86 and use endian agnostic >>> build_append_int_noprefix() API to build it. >>> >>> Signed-off-by: Igor Mammedov <imammedo@redhat.com> >>> --- >>> v3: >>> * rebase on top of (e77af21a7a2 hw/i386/acpi-build: Get NUMA information from struct NumaState) >>> CC: xiaoguangrong.eric@gmail.com >>> CC: shannon.zhaosl@gmail.com >>> CC: peter.maydell@linaro.org >>> CC: marcel.apfelbaum@gmail.com >>> CC: qemu-arm@nongnu.org >>> CC: drjones@redhat.com >>> CC: eauger@redhat.com >>> --- >>> include/hw/acpi/acpi-defs.h | 49 ----------------------- >>> include/hw/acpi/aml-build.h | 2 +- >>> hw/acpi/aml-build.c | 24 ++++++++---- >>> hw/acpi/nvdimm.c | 4 +- >>> hw/arm/virt-acpi-build.c | 29 ++++++++------ >>> hw/i386/acpi-build.c | 78 +++++++++++++++++++++---------------- >>> 6 files changed, 80 insertions(+), 106 deletions(-) >>> >>> diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h >>> index 5826ee04b6..d293304f9c 100644 >>> --- a/include/hw/acpi/acpi-defs.h >>> +++ b/include/hw/acpi/acpi-defs.h >>> @@ -358,55 +358,6 @@ struct AcpiGenericTimerTable { >>> } QEMU_PACKED; >>> typedef struct AcpiGenericTimerTable AcpiGenericTimerTable; >>> >>> -#define ACPI_SRAT_PROCESSOR_APIC 0 >>> -#define ACPI_SRAT_MEMORY 1 >>> -#define ACPI_SRAT_PROCESSOR_x2APIC 2 >>> -#define ACPI_SRAT_PROCESSOR_GICC 3 >>> - >>> -struct AcpiSratProcessorAffinity { >>> - ACPI_SUB_HEADER_DEF >>> - uint8_t proximity_lo; >>> - uint8_t local_apic_id; >>> - uint32_t flags; >>> - uint8_t local_sapic_eid; >>> - uint8_t proximity_hi[3]; >>> - uint32_t reserved; >>> -} QEMU_PACKED; >>> -typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity; >>> - >>> -struct AcpiSratProcessorX2ApicAffinity { >>> - ACPI_SUB_HEADER_DEF >>> - uint16_t reserved; >>> - uint32_t proximity_domain; >>> - uint32_t x2apic_id; >>> - uint32_t flags; >>> - uint32_t clk_domain; >>> - uint32_t reserved2; >>> -} QEMU_PACKED; >>> -typedef struct AcpiSratProcessorX2ApicAffinity AcpiSratProcessorX2ApicAffinity; >>> - >>> -struct AcpiSratMemoryAffinity { >>> - ACPI_SUB_HEADER_DEF >>> - uint32_t proximity; >>> - uint16_t reserved1; >>> - uint64_t base_addr; >>> - uint64_t range_length; >>> - uint32_t reserved2; >>> - uint32_t flags; >>> - uint32_t reserved3[2]; >>> -} QEMU_PACKED; >>> -typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity; >>> - >>> -struct AcpiSratProcessorGiccAffinity { >>> - ACPI_SUB_HEADER_DEF >>> - uint32_t proximity; >>> - uint32_t acpi_processor_uid; >>> - uint32_t flags; >>> - uint32_t clock_domain; >>> -} QEMU_PACKED; >>> - >>> -typedef struct AcpiSratProcessorGiccAffinity AcpiSratProcessorGiccAffinity; >>> - >>> /* DMAR - DMA Remapping table r2.2 */ >>> struct AcpiTableDmar { >>> ACPI_TABLE_HEADER_DEF >>> diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h >>> index 4242382399..6e1f42e119 100644 >>> --- a/include/hw/acpi/aml-build.h >>> +++ b/include/hw/acpi/aml-build.h >>> @@ -487,7 +487,7 @@ Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set, uint32_t io_offset, >>> uint32_t mmio32_offset, uint64_t mmio64_offset, >>> uint16_t bus_nr_offset); >>> >>> -void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, >>> +void build_srat_memory(GArray *table_data, uint64_t base, >>> uint64_t len, int node, MemoryAffinityFlags flags); >>> >>> void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms, >>> diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c >>> index 5e8bfb631c..050fdb3f37 100644 >>> --- a/hw/acpi/aml-build.c >>> +++ b/hw/acpi/aml-build.c >>> @@ -1936,15 +1936,25 @@ build_xsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, >>> acpi_table_end(linker, &table); >>> } >>> >>> -void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, >>> +/* >>> + * ACPI spec, Revision 4.0 >>> + * 5.2.16.2 Memory Affinity Structure >>> + */ >>> +void build_srat_memory(GArray *table_data, uint64_t base, >>> uint64_t len, int node, MemoryAffinityFlags flags) >>> { >>> - numamem->type = ACPI_SRAT_MEMORY; >>> - numamem->length = sizeof(*numamem); >>> - numamem->proximity = cpu_to_le32(node); >>> - numamem->flags = cpu_to_le32(flags); >>> - numamem->base_addr = cpu_to_le64(base); >>> - numamem->range_length = cpu_to_le64(len); >>> + build_append_int_noprefix(table_data, 1, 1); /* Type */ >>> + build_append_int_noprefix(table_data, 40, 1); /* Length */ >>> + build_append_int_noprefix(table_data, node, 4); /* Proximity Domain */ >>> + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ >>> + build_append_int_noprefix(table_data, base, 4); /* Base Address Low */ >>> + /* Base Address High */ >>> + build_append_int_noprefix(table_data, base >> 32, 4); >>> + build_append_int_noprefix(table_data, len, 4); /* Length Low */ >>> + build_append_int_noprefix(table_data, len >> 32, 4); /* Length High */ >>> + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ >>> + build_append_int_noprefix(table_data, flags, 4); /* Flags */ >>> + build_append_int_noprefix(table_data, 0, 8); /* Reserved */ >>> } >>> >>> /* >>> diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c >>> index e050b47c2b..baab81f7a6 100644 >>> --- a/hw/acpi/nvdimm.c >>> +++ b/hw/acpi/nvdimm.c >>> @@ -1336,7 +1336,6 @@ void nvdimm_build_srat(GArray *table_data) >>> GSList *device_list = nvdimm_get_device_list(); >>> >>> for (; device_list; device_list = device_list->next) { >>> - AcpiSratMemoryAffinity *numamem = NULL; >>> DeviceState *dev = device_list->data; >>> Object *obj = OBJECT(dev); >>> uint64_t addr, size; >>> @@ -1346,8 +1345,7 @@ void nvdimm_build_srat(GArray *table_data) >>> addr = object_property_get_uint(obj, PC_DIMM_ADDR_PROP, &error_abort); >>> size = object_property_get_uint(obj, PC_DIMM_SIZE_PROP, &error_abort); >>> >>> - numamem = acpi_data_push(table_data, sizeof *numamem); >>> - build_srat_memory(numamem, addr, size, node, >>> + build_srat_memory(table_data, addr, size, node, >>> MEM_AFFINITY_ENABLED | MEM_AFFINITY_NON_VOLATILE); >>> } >>> g_slist_free(device_list); >>> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c >>> index 21efe7fe34..6ba02cf281 100644 >>> --- a/hw/arm/virt-acpi-build.c >>> +++ b/hw/arm/virt-acpi-build.c >>> @@ -474,11 +474,13 @@ build_spcr(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) >>> vms->oem_table_id); >>> } >>> >>> +/* >>> + * ACPI spec, Revision 5.1 >>> + * 5.2.16 System Resource Affinity Table (SRAT) >>> + */ >>> static void >>> build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) >>> { >>> - AcpiSratProcessorGiccAffinity *core; >>> - AcpiSratMemoryAffinity *numamem; >>> int i; >>> uint64_t mem_base; >>> MachineClass *mc = MACHINE_GET_CLASS(vms); >>> @@ -492,19 +494,23 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) >>> build_append_int_noprefix(table_data, 0, 8); /* Reserved */ >>> >>> for (i = 0; i < cpu_list->len; ++i) { >>> - core = acpi_data_push(table_data, sizeof(*core)); >>> - core->type = ACPI_SRAT_PROCESSOR_GICC; >>> - core->length = sizeof(*core); >>> - core->proximity = cpu_to_le32(cpu_list->cpus[i].props.node_id); >>> - core->acpi_processor_uid = cpu_to_le32(i); >>> - core->flags = cpu_to_le32(1); >>> + uint32_t nodeid = cpu_list->cpus[i].props.node_id; >>> + /* >>> + * 5.2.16.4 GICC Affinity Structure >>> + */ >>> + build_append_int_noprefix(table_data, 3, 1); /* Type */ >>> + build_append_int_noprefix(table_data, 18, 1); /* Length */ >>> + build_append_int_noprefix(table_data, nodeid, 4); /* Proximity Domain */ >>> + build_append_int_noprefix(table_data, i, 4); /* ACPI Processor UID */ >>> + /* Flags, Table 5-76 */ >>> + build_append_int_noprefix(table_data, 1 /* Enabled */, 4); >>> + build_append_int_noprefix(table_data, 0, 4); /* Clock Domain */ >>> } >>> >>> mem_base = vms->memmap[VIRT_MEM].base; >>> for (i = 0; i < ms->numa_state->num_nodes; ++i) { >>> if (ms->numa_state->nodes[i].node_mem > 0) { >>> - numamem = acpi_data_push(table_data, sizeof(*numamem)); >>> - build_srat_memory(numamem, mem_base, >>> + build_srat_memory(table_data, mem_base, >>> ms->numa_state->nodes[i].node_mem, i, >>> MEM_AFFINITY_ENABLED); >>> mem_base += ms->numa_state->nodes[i].node_mem; >>> @@ -516,8 +522,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) >>> } >>> >>> if (ms->device_memory) { >>> - numamem = acpi_data_push(table_data, sizeof *numamem); >>> - build_srat_memory(numamem, ms->device_memory->base, >>> + build_srat_memory(table_data, ms->device_memory->base, >>> memory_region_size(&ms->device_memory->mr), >>> ms->numa_state->num_nodes - 1, >>> MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); >>> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c >>> index 41c0a63b30..51e0ba07b6 100644 >>> --- a/hw/i386/acpi-build.c >>> +++ b/hw/i386/acpi-build.c >>> @@ -1917,13 +1917,15 @@ build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog, >>> #define HOLE_640K_START (640 * KiB) >>> #define HOLE_640K_END (1 * MiB) >>> >>> +/* >>> + * ACPI spec, Revision 3.0 >>> + * 5.2.15 System Resource Affinity Table (SRAT) >>> + */ >>> static void >>> build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) >>> { >>> - AcpiSratMemoryAffinity *numamem; >>> - >>> int i; >>> - int numa_start, slots; >>> + int numa_mem_start, slots; >>> uint64_t mem_len, mem_base, next_base; >>> MachineClass *mc = MACHINE_GET_CLASS(machine); >>> X86MachineState *x86ms = X86_MACHINE(machine); >>> @@ -1946,34 +1948,41 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) >>> uint32_t apic_id = apic_ids->cpus[i].arch_id; >>> >>> if (apic_id < 255) { >>> - AcpiSratProcessorAffinity *core; >>> - >>> - core = acpi_data_push(table_data, sizeof *core); >>> - core->type = ACPI_SRAT_PROCESSOR_APIC; >>> - core->length = sizeof(*core); >>> - core->local_apic_id = apic_id; >>> - core->proximity_lo = node_id; >>> - memset(core->proximity_hi, 0, 3); >>> - core->local_sapic_eid = 0; >>> - core->flags = cpu_to_le32(1); >>> + /* 5.2.15.1 Processor Local APIC/SAPIC Affinity Structure */ >>> + build_append_int_noprefix(table_data, 0, 1); /* Type */ >>> + build_append_int_noprefix(table_data, 16, 1); /* Length */ >>> + /* Proximity Domain [7:0] */ >>> + build_append_int_noprefix(table_data, node_id, 1); >>> + build_append_int_noprefix(table_data, apic_id, 1); /* APIC ID */ >>> + /* Flags, Table 5-36 */ >>> + build_append_int_noprefix(table_data, 1, 4); >>> + build_append_int_noprefix(table_data, 0, 1); /* Local SAPIC EID */ >>> + /* Proximity Domain [31:8] */ >>> + build_append_int_noprefix(table_data, 0, 3); >>> + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ >> clock domain? > not in 3.0, it was renamed later (4.0) OK I must have looked at some other version. Not always easy to find older ones. Eric > >>> } else { >>> - AcpiSratProcessorX2ApicAffinity *core; >>> - >>> - core = acpi_data_push(table_data, sizeof *core); >>> - core->type = ACPI_SRAT_PROCESSOR_x2APIC; >>> - core->length = sizeof(*core); >>> - core->x2apic_id = cpu_to_le32(apic_id); >>> - core->proximity_domain = cpu_to_le32(node_id); >>> - core->flags = cpu_to_le32(1); >>> + /* >>> + * ACPI spec, Revision 4.0 >>> + * 5.2.16.3 Processor Local x2APIC Affinity Structure >>> + */ >>> + build_append_int_noprefix(table_data, 2, 1); /* Type */ >>> + build_append_int_noprefix(table_data, 24, 1); /* Length */ >>> + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ >>> + /* Proximity Domain */ >>> + build_append_int_noprefix(table_data, node_id, 4); >>> + build_append_int_noprefix(table_data, apic_id, 4); /* X2APIC ID */ >>> + /* Flags, Table 5-39 */ >>> + build_append_int_noprefix(table_data, 1 /* Enabled */, 4); >>> + build_append_int_noprefix(table_data, 0, 4); /* Clock Domain */ >>> + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ >>> } >>> } >>> >>> - >>> /* the memory map is a bit tricky, it contains at least one hole >>> * from 640k-1M and possibly another one from 3.5G-4G. >>> */ >>> next_base = 0; >>> - numa_start = table_data->len; >>> + numa_mem_start = table_data->len; >>> >>> for (i = 1; i < nb_numa_nodes + 1; ++i) { >>> mem_base = next_base; >>> @@ -1985,8 +1994,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) >>> next_base > HOLE_640K_START) { >>> mem_len -= next_base - HOLE_640K_START; >>> if (mem_len > 0) { >>> - numamem = acpi_data_push(table_data, sizeof *numamem); >>> - build_srat_memory(numamem, mem_base, mem_len, i - 1, >>> + build_srat_memory(table_data, mem_base, mem_len, i - 1, >>> MEM_AFFINITY_ENABLED); >>> } >>> >>> @@ -2004,8 +2012,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) >>> next_base > x86ms->below_4g_mem_size) { >>> mem_len -= next_base - x86ms->below_4g_mem_size; >>> if (mem_len > 0) { >>> - numamem = acpi_data_push(table_data, sizeof *numamem); >>> - build_srat_memory(numamem, mem_base, mem_len, i - 1, >>> + build_srat_memory(table_data, mem_base, mem_len, i - 1, >>> MEM_AFFINITY_ENABLED); >>> } >>> mem_base = 1ULL << 32; >>> @@ -2014,8 +2021,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) >>> } >>> >>> if (mem_len > 0) { >>> - numamem = acpi_data_push(table_data, sizeof *numamem); >>> - build_srat_memory(numamem, mem_base, mem_len, i - 1, >>> + build_srat_memory(table_data, mem_base, mem_len, i - 1, >>> MEM_AFFINITY_ENABLED); >>> } >>> } >>> @@ -2024,10 +2030,15 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) >>> nvdimm_build_srat(table_data); >>> } >>> >>> - slots = (table_data->len - numa_start) / sizeof *numamem; >>> + /* >>> + * TODO: this part is not in ACPI spec and current linux kernel boots fine >>> + * without these entries. But I recall there were issues the last time I >>> + * tried to remove it with some ancient guest OS, however I can't remember >>> + * what that was so keep this around for now >>> + */ >>> + slots = (table_data->len - numa_mem_start) / 40 /* mem affinity len */; >>> for (; slots < nb_numa_nodes + 2; slots++) { >>> - numamem = acpi_data_push(table_data, sizeof *numamem); >>> - build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS); >>> + build_srat_memory(table_data, 0, 0, 0, MEM_AFFINITY_NOFLAGS); >>> } >>> >>> /* >>> @@ -2039,8 +2050,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) >>> * providing _PXM method if necessary. >>> */ >>> if (hotplugabble_address_space_size) { >>> - numamem = acpi_data_push(table_data, sizeof *numamem); >>> - build_srat_memory(numamem, machine->device_memory->base, >>> + build_srat_memory(table_data, machine->device_memory->base, >>> hotplugabble_address_space_size, nb_numa_nodes - 1, >>> MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); >>> } >>> >> Besides >> Reviewed-by: Eric Auger <eric.auger@redhat.com> >> >> Eric >> >
diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index 5826ee04b6..d293304f9c 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -358,55 +358,6 @@ struct AcpiGenericTimerTable { } QEMU_PACKED; typedef struct AcpiGenericTimerTable AcpiGenericTimerTable; -#define ACPI_SRAT_PROCESSOR_APIC 0 -#define ACPI_SRAT_MEMORY 1 -#define ACPI_SRAT_PROCESSOR_x2APIC 2 -#define ACPI_SRAT_PROCESSOR_GICC 3 - -struct AcpiSratProcessorAffinity { - ACPI_SUB_HEADER_DEF - uint8_t proximity_lo; - uint8_t local_apic_id; - uint32_t flags; - uint8_t local_sapic_eid; - uint8_t proximity_hi[3]; - uint32_t reserved; -} QEMU_PACKED; -typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity; - -struct AcpiSratProcessorX2ApicAffinity { - ACPI_SUB_HEADER_DEF - uint16_t reserved; - uint32_t proximity_domain; - uint32_t x2apic_id; - uint32_t flags; - uint32_t clk_domain; - uint32_t reserved2; -} QEMU_PACKED; -typedef struct AcpiSratProcessorX2ApicAffinity AcpiSratProcessorX2ApicAffinity; - -struct AcpiSratMemoryAffinity { - ACPI_SUB_HEADER_DEF - uint32_t proximity; - uint16_t reserved1; - uint64_t base_addr; - uint64_t range_length; - uint32_t reserved2; - uint32_t flags; - uint32_t reserved3[2]; -} QEMU_PACKED; -typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity; - -struct AcpiSratProcessorGiccAffinity { - ACPI_SUB_HEADER_DEF - uint32_t proximity; - uint32_t acpi_processor_uid; - uint32_t flags; - uint32_t clock_domain; -} QEMU_PACKED; - -typedef struct AcpiSratProcessorGiccAffinity AcpiSratProcessorGiccAffinity; - /* DMAR - DMA Remapping table r2.2 */ struct AcpiTableDmar { ACPI_TABLE_HEADER_DEF diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 4242382399..6e1f42e119 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -487,7 +487,7 @@ Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set, uint32_t io_offset, uint32_t mmio32_offset, uint64_t mmio64_offset, uint16_t bus_nr_offset); -void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, +void build_srat_memory(GArray *table_data, uint64_t base, uint64_t len, int node, MemoryAffinityFlags flags); void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms, diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 5e8bfb631c..050fdb3f37 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1936,15 +1936,25 @@ build_xsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, acpi_table_end(linker, &table); } -void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, +/* + * ACPI spec, Revision 4.0 + * 5.2.16.2 Memory Affinity Structure + */ +void build_srat_memory(GArray *table_data, uint64_t base, uint64_t len, int node, MemoryAffinityFlags flags) { - numamem->type = ACPI_SRAT_MEMORY; - numamem->length = sizeof(*numamem); - numamem->proximity = cpu_to_le32(node); - numamem->flags = cpu_to_le32(flags); - numamem->base_addr = cpu_to_le64(base); - numamem->range_length = cpu_to_le64(len); + build_append_int_noprefix(table_data, 1, 1); /* Type */ + build_append_int_noprefix(table_data, 40, 1); /* Length */ + build_append_int_noprefix(table_data, node, 4); /* Proximity Domain */ + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ + build_append_int_noprefix(table_data, base, 4); /* Base Address Low */ + /* Base Address High */ + build_append_int_noprefix(table_data, base >> 32, 4); + build_append_int_noprefix(table_data, len, 4); /* Length Low */ + build_append_int_noprefix(table_data, len >> 32, 4); /* Length High */ + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ + build_append_int_noprefix(table_data, flags, 4); /* Flags */ + build_append_int_noprefix(table_data, 0, 8); /* Reserved */ } /* diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index e050b47c2b..baab81f7a6 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -1336,7 +1336,6 @@ void nvdimm_build_srat(GArray *table_data) GSList *device_list = nvdimm_get_device_list(); for (; device_list; device_list = device_list->next) { - AcpiSratMemoryAffinity *numamem = NULL; DeviceState *dev = device_list->data; Object *obj = OBJECT(dev); uint64_t addr, size; @@ -1346,8 +1345,7 @@ void nvdimm_build_srat(GArray *table_data) addr = object_property_get_uint(obj, PC_DIMM_ADDR_PROP, &error_abort); size = object_property_get_uint(obj, PC_DIMM_SIZE_PROP, &error_abort); - numamem = acpi_data_push(table_data, sizeof *numamem); - build_srat_memory(numamem, addr, size, node, + build_srat_memory(table_data, addr, size, node, MEM_AFFINITY_ENABLED | MEM_AFFINITY_NON_VOLATILE); } g_slist_free(device_list); diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 21efe7fe34..6ba02cf281 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -474,11 +474,13 @@ build_spcr(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) vms->oem_table_id); } +/* + * ACPI spec, Revision 5.1 + * 5.2.16 System Resource Affinity Table (SRAT) + */ static void build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) { - AcpiSratProcessorGiccAffinity *core; - AcpiSratMemoryAffinity *numamem; int i; uint64_t mem_base; MachineClass *mc = MACHINE_GET_CLASS(vms); @@ -492,19 +494,23 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) build_append_int_noprefix(table_data, 0, 8); /* Reserved */ for (i = 0; i < cpu_list->len; ++i) { - core = acpi_data_push(table_data, sizeof(*core)); - core->type = ACPI_SRAT_PROCESSOR_GICC; - core->length = sizeof(*core); - core->proximity = cpu_to_le32(cpu_list->cpus[i].props.node_id); - core->acpi_processor_uid = cpu_to_le32(i); - core->flags = cpu_to_le32(1); + uint32_t nodeid = cpu_list->cpus[i].props.node_id; + /* + * 5.2.16.4 GICC Affinity Structure + */ + build_append_int_noprefix(table_data, 3, 1); /* Type */ + build_append_int_noprefix(table_data, 18, 1); /* Length */ + build_append_int_noprefix(table_data, nodeid, 4); /* Proximity Domain */ + build_append_int_noprefix(table_data, i, 4); /* ACPI Processor UID */ + /* Flags, Table 5-76 */ + build_append_int_noprefix(table_data, 1 /* Enabled */, 4); + build_append_int_noprefix(table_data, 0, 4); /* Clock Domain */ } mem_base = vms->memmap[VIRT_MEM].base; for (i = 0; i < ms->numa_state->num_nodes; ++i) { if (ms->numa_state->nodes[i].node_mem > 0) { - numamem = acpi_data_push(table_data, sizeof(*numamem)); - build_srat_memory(numamem, mem_base, + build_srat_memory(table_data, mem_base, ms->numa_state->nodes[i].node_mem, i, MEM_AFFINITY_ENABLED); mem_base += ms->numa_state->nodes[i].node_mem; @@ -516,8 +522,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) } if (ms->device_memory) { - numamem = acpi_data_push(table_data, sizeof *numamem); - build_srat_memory(numamem, ms->device_memory->base, + build_srat_memory(table_data, ms->device_memory->base, memory_region_size(&ms->device_memory->mr), ms->numa_state->num_nodes - 1, MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 41c0a63b30..51e0ba07b6 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1917,13 +1917,15 @@ build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog, #define HOLE_640K_START (640 * KiB) #define HOLE_640K_END (1 * MiB) +/* + * ACPI spec, Revision 3.0 + * 5.2.15 System Resource Affinity Table (SRAT) + */ static void build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) { - AcpiSratMemoryAffinity *numamem; - int i; - int numa_start, slots; + int numa_mem_start, slots; uint64_t mem_len, mem_base, next_base; MachineClass *mc = MACHINE_GET_CLASS(machine); X86MachineState *x86ms = X86_MACHINE(machine); @@ -1946,34 +1948,41 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) uint32_t apic_id = apic_ids->cpus[i].arch_id; if (apic_id < 255) { - AcpiSratProcessorAffinity *core; - - core = acpi_data_push(table_data, sizeof *core); - core->type = ACPI_SRAT_PROCESSOR_APIC; - core->length = sizeof(*core); - core->local_apic_id = apic_id; - core->proximity_lo = node_id; - memset(core->proximity_hi, 0, 3); - core->local_sapic_eid = 0; - core->flags = cpu_to_le32(1); + /* 5.2.15.1 Processor Local APIC/SAPIC Affinity Structure */ + build_append_int_noprefix(table_data, 0, 1); /* Type */ + build_append_int_noprefix(table_data, 16, 1); /* Length */ + /* Proximity Domain [7:0] */ + build_append_int_noprefix(table_data, node_id, 1); + build_append_int_noprefix(table_data, apic_id, 1); /* APIC ID */ + /* Flags, Table 5-36 */ + build_append_int_noprefix(table_data, 1, 4); + build_append_int_noprefix(table_data, 0, 1); /* Local SAPIC EID */ + /* Proximity Domain [31:8] */ + build_append_int_noprefix(table_data, 0, 3); + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ } else { - AcpiSratProcessorX2ApicAffinity *core; - - core = acpi_data_push(table_data, sizeof *core); - core->type = ACPI_SRAT_PROCESSOR_x2APIC; - core->length = sizeof(*core); - core->x2apic_id = cpu_to_le32(apic_id); - core->proximity_domain = cpu_to_le32(node_id); - core->flags = cpu_to_le32(1); + /* + * ACPI spec, Revision 4.0 + * 5.2.16.3 Processor Local x2APIC Affinity Structure + */ + build_append_int_noprefix(table_data, 2, 1); /* Type */ + build_append_int_noprefix(table_data, 24, 1); /* Length */ + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ + /* Proximity Domain */ + build_append_int_noprefix(table_data, node_id, 4); + build_append_int_noprefix(table_data, apic_id, 4); /* X2APIC ID */ + /* Flags, Table 5-39 */ + build_append_int_noprefix(table_data, 1 /* Enabled */, 4); + build_append_int_noprefix(table_data, 0, 4); /* Clock Domain */ + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ } } - /* the memory map is a bit tricky, it contains at least one hole * from 640k-1M and possibly another one from 3.5G-4G. */ next_base = 0; - numa_start = table_data->len; + numa_mem_start = table_data->len; for (i = 1; i < nb_numa_nodes + 1; ++i) { mem_base = next_base; @@ -1985,8 +1994,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) next_base > HOLE_640K_START) { mem_len -= next_base - HOLE_640K_START; if (mem_len > 0) { - numamem = acpi_data_push(table_data, sizeof *numamem); - build_srat_memory(numamem, mem_base, mem_len, i - 1, + build_srat_memory(table_data, mem_base, mem_len, i - 1, MEM_AFFINITY_ENABLED); } @@ -2004,8 +2012,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) next_base > x86ms->below_4g_mem_size) { mem_len -= next_base - x86ms->below_4g_mem_size; if (mem_len > 0) { - numamem = acpi_data_push(table_data, sizeof *numamem); - build_srat_memory(numamem, mem_base, mem_len, i - 1, + build_srat_memory(table_data, mem_base, mem_len, i - 1, MEM_AFFINITY_ENABLED); } mem_base = 1ULL << 32; @@ -2014,8 +2021,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) } if (mem_len > 0) { - numamem = acpi_data_push(table_data, sizeof *numamem); - build_srat_memory(numamem, mem_base, mem_len, i - 1, + build_srat_memory(table_data, mem_base, mem_len, i - 1, MEM_AFFINITY_ENABLED); } } @@ -2024,10 +2030,15 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) nvdimm_build_srat(table_data); } - slots = (table_data->len - numa_start) / sizeof *numamem; + /* + * TODO: this part is not in ACPI spec and current linux kernel boots fine + * without these entries. But I recall there were issues the last time I + * tried to remove it with some ancient guest OS, however I can't remember + * what that was so keep this around for now + */ + slots = (table_data->len - numa_mem_start) / 40 /* mem affinity len */; for (; slots < nb_numa_nodes + 2; slots++) { - numamem = acpi_data_push(table_data, sizeof *numamem); - build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS); + build_srat_memory(table_data, 0, 0, 0, MEM_AFFINITY_NOFLAGS); } /* @@ -2039,8 +2050,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) * providing _PXM method if necessary. */ if (hotplugabble_address_space_size) { - numamem = acpi_data_push(table_data, sizeof *numamem); - build_srat_memory(numamem, machine->device_memory->base, + build_srat_memory(table_data, machine->device_memory->base, hotplugabble_address_space_size, nb_numa_nodes - 1, MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); }
Drop usage of packed structures and explicit endian conversions when building SRAT tables for arm/x86 and use endian agnostic build_append_int_noprefix() API to build it. Signed-off-by: Igor Mammedov <imammedo@redhat.com> --- v3: * rebase on top of (e77af21a7a2 hw/i386/acpi-build: Get NUMA information from struct NumaState) CC: xiaoguangrong.eric@gmail.com CC: shannon.zhaosl@gmail.com CC: peter.maydell@linaro.org CC: marcel.apfelbaum@gmail.com CC: qemu-arm@nongnu.org CC: drjones@redhat.com CC: eauger@redhat.com --- include/hw/acpi/acpi-defs.h | 49 ----------------------- include/hw/acpi/aml-build.h | 2 +- hw/acpi/aml-build.c | 24 ++++++++---- hw/acpi/nvdimm.c | 4 +- hw/arm/virt-acpi-build.c | 29 ++++++++------ hw/i386/acpi-build.c | 78 +++++++++++++++++++++---------------- 6 files changed, 80 insertions(+), 106 deletions(-)