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Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL 31/57] acpi: use build_append_int_noprefix() API to compose SRAT table Message-ID: <20211005155946.513818-32-mst@redhat.com> References: <20211005155946.513818-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20211005155946.513818-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.066, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Xiao Guangrong , Eric Auger , Richard Henderson , Shannon Zhao , qemu-arm@nongnu.org, Paolo Bonzini , Ani Sinha , Igor Mammedov , Eduardo Habkost Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Igor Mammedov 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 Reviewed-by: Eric Auger Message-Id: <20210924122802.1455362-18-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- 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 23cda45ee0..c0f339847a 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1940,15 +1940,25 @@ 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 a7539cfe89..5f9b552d6a 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 1ce808c576..078097a060 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1939,13 +1939,15 @@ 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); @@ -1968,34 +1970,41 @@ 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; @@ -2007,8 +2016,7 @@ 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); } @@ -2026,8 +2034,7 @@ 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; @@ -2036,8 +2043,7 @@ 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); } } @@ -2046,10 +2052,15 @@ 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); } /* @@ -2061,8 +2072,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) * providing _PXM method if necessary. */ if (hotpluggable_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, hotpluggable_address_space_size, nb_numa_nodes - 1, MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); }