7 files changed, 30 insertions, 11 deletions
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 00c21f160c..329a0d0c90 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -389,4 +389,5 @@ GCC_FMT_ATTR(2, 3);
 void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base,
                        uint64_t len, int node, MemoryAffinityFlags flags);
 
+void build_slit(GArray *table_data, BIOSLinker *linker);
 #endif
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 31d9c72fb0..76ce0219ff 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -32,6 +32,7 @@ void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
 MachineClass *find_default_machine(void);
 extern MachineState *current_machine;
 
+void machine_run_board_init(MachineState *machine);
 bool machine_usb(MachineState *machine);
 bool machine_kernel_irqchip_allowed(MachineState *machine);
 bool machine_kernel_irqchip_required(MachineState *machine);
@@ -42,6 +43,9 @@ bool machine_dump_guest_core(MachineState *machine);
 bool machine_mem_merge(MachineState *machine);
 void machine_register_compat_props(MachineState *machine);
 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine);
+void machine_set_cpu_numa_node(MachineState *machine,
+                               const CpuInstanceProperties *props,
+                               Error **errp);
 
 /**
  * CPUArchId:
@@ -74,7 +78,10 @@ typedef struct {
  *    of HotplugHandler object, which handles hotplug operation
  *    for a given @dev. It may return NULL if @dev doesn't require
  *    any actions to be performed by hotplug handler.
- * @cpu_index_to_socket_id:
+ * @cpu_index_to_instance_props:
+ *    used to provide @cpu_index to socket/core/thread number mapping, allowing
+ *    legacy code to perform maping from cpu_index to topology properties
+ *    Returns: tuple of socket/core/thread ids given cpu_index belongs to.
  *    used to provide @cpu_index to socket number mapping, allowing
  *    a machine to group CPU threads belonging to the same socket/package
  *    Returns: socket number given cpu_index belongs to.
@@ -136,10 +143,13 @@ struct MachineClass {
     int minimum_page_bits;
     bool has_hotpluggable_cpus;
     int numa_mem_align_shift;
+    void (*numa_auto_assign_ram)(MachineClass *mc, NodeInfo *nodes,
+                                 int nb_nodes, ram_addr_t size);
 
     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
                                            DeviceState *dev);
-    unsigned (*cpu_index_to_socket_id)(unsigned cpu_index);
+    CpuInstanceProperties (*cpu_index_to_instance_props)(MachineState *machine,
+                                                         unsigned cpu_index);
     const CPUArchIdList *(*possible_cpu_arch_ids)(MachineState *machine);
 };
 
diff --git a/include/hw/ppc/spapr_cpu_core.h b/include/hw/ppc/spapr_cpu_core.h
index 3c35665221..93051e9ecf 100644
--- a/include/hw/ppc/spapr_cpu_core.h
+++ b/include/hw/ppc/spapr_cpu_core.h
@@ -27,6 +27,7 @@ typedef struct sPAPRCPUCore {
 
     /*< public >*/
     void *threads;
+    int node_id;
 } sPAPRCPUCore;
 
 typedef struct sPAPRCPUCoreClass {
diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index f08d327aec..7d8505730c 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -97,5 +97,6 @@ typedef struct SSIBus SSIBus;
 typedef struct uWireSlave uWireSlave;
 typedef struct VirtIODevice VirtIODevice;
 typedef struct Visitor Visitor;
+typedef struct node_info NodeInfo;
 
 #endif /* QEMU_TYPEDEFS_H */
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 5d10359c8f..55214ce131 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -258,6 +258,8 @@ typedef void (*run_on_cpu_func)(CPUState *cpu, run_on_cpu_data data);
 
 struct qemu_work_item;
 
+#define CPU_UNSET_NUMA_NODE_ID -1
+
 /**
  * CPUState:
  * @cpu_index: CPU index (informative).
diff --git a/include/sysemu/numa.h b/include/sysemu/numa.h
index 8f09dcf918..7ffde5b119 100644
--- a/include/sysemu/numa.h
+++ b/include/sysemu/numa.h
@@ -8,6 +8,7 @@
 #include "hw/boards.h"
 
 extern int nb_numa_nodes;   /* Number of NUMA nodes */
+extern bool have_numa_distance;
 
 struct numa_addr_range {
     ram_addr_t mem_start;
@@ -15,24 +16,23 @@ struct numa_addr_range {
     QLIST_ENTRY(numa_addr_range) entry;
 };
 
-typedef struct node_info {
+struct node_info {
     uint64_t node_mem;
-    unsigned long *node_cpu;
     struct HostMemoryBackend *node_memdev;
     bool present;
     QLIST_HEAD(, numa_addr_range) addr; /* List to store address ranges */
-} NodeInfo;
+    uint8_t distance[MAX_NODES];
+};
 
 extern NodeInfo numa_info[MAX_NODES];
-void parse_numa_opts(MachineClass *mc);
-void numa_post_machine_init(void);
+void parse_numa_opts(MachineState *ms);
 void query_numa_node_mem(uint64_t node_mem[]);
 extern QemuOptsList qemu_numa_opts;
 void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
 void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
 uint32_t numa_get_node(ram_addr_t addr, Error **errp);
-
-/* on success returns node index in numa_info,
- * on failure returns nb_numa_nodes */
-int numa_get_node_for_cpu(int idx);
+void numa_legacy_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
+                                 int nb_nodes, ram_addr_t size);
+void numa_default_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
+                                  int nb_nodes, ram_addr_t size);
 #endif
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 15656b7c36..be9e22c955 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -166,6 +166,10 @@ extern int mem_prealloc;
 
 #define MAX_NODES 128
 #define NUMA_NODE_UNASSIGNED MAX_NODES
+#define NUMA_DISTANCE_MIN         10
+#define NUMA_DISTANCE_DEFAULT     20
+#define NUMA_DISTANCE_MAX         254
+#define NUMA_DISTANCE_UNREACHABLE 255
 
 #define MAX_OPTION_ROMS 16
 typedef struct QEMUOptionRom {