@@ -332,12 +332,9 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
/*
* If APIC ID is not set,
- * set it based on socket/die/core/thread properties.
+ * set it based on socket/die/module/core/thread properties.
*/
if (cpu->apic_id == UNASSIGNED_APIC_ID) {
- int max_socket = (ms->smp.max_cpus - 1) /
- smp_threads / smp_cores / ms->smp.dies;
-
/*
* die-id was optional in QEMU 4.0 and older, so keep it optional
* if there's only one die per socket.
@@ -349,9 +346,9 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
if (cpu->socket_id < 0) {
error_setg(errp, "CPU socket-id is not set");
return;
- } else if (cpu->socket_id > max_socket) {
+ } else if (cpu->socket_id > ms->smp.sockets - 1) {
error_setg(errp, "Invalid CPU socket-id: %u must be in range 0:%u",
- cpu->socket_id, max_socket);
+ cpu->socket_id, ms->smp.sockets - 1);
return;
}
if (cpu->die_id < 0) {
@@ -383,17 +380,27 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
topo_ids.die_id = cpu->die_id;
topo_ids.core_id = cpu->core_id;
topo_ids.smt_id = cpu->thread_id;
+
+ /*
+ * TODO: This is the temporary initialization for topo_ids.module_id to
+ * avoid "maybe-uninitialized" compilation errors. Will remove when
+ * X86CPU supports module_id.
+ */
+ topo_ids.module_id = 0;
+
cpu->apic_id = x86_apicid_from_topo_ids(&topo_info, &topo_ids);
}
cpu_slot = x86_find_cpu_slot(MACHINE(x86ms), cpu->apic_id, &idx);
if (!cpu_slot) {
x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids);
+
error_setg(errp,
- "Invalid CPU [socket: %u, die: %u, core: %u, thread: %u] with"
- " APIC ID %" PRIu32 ", valid index range 0:%d",
- topo_ids.pkg_id, topo_ids.die_id, topo_ids.core_id, topo_ids.smt_id,
- cpu->apic_id, ms->possible_cpus->len - 1);
+ "Invalid CPU [socket: %u, die: %u, module: %u, core: %u, thread: %u]"
+ " with APIC ID %" PRIu32 ", valid index range 0:%d",
+ topo_ids.pkg_id, topo_ids.die_id, topo_ids.module_id,
+ topo_ids.core_id, topo_ids.smt_id, cpu->apic_id,
+ ms->possible_cpus->len - 1);
return;
}
@@ -519,6 +526,10 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
ms->possible_cpus->cpus[i].props.has_die_id = true;
ms->possible_cpus->cpus[i].props.die_id = topo_ids.die_id;
}
+ if (ms->smp.modules > 1) {
+ ms->possible_cpus->cpus[i].props.has_module_id = true;
+ ms->possible_cpus->cpus[i].props.module_id = topo_ids.module_id;
+ }
ms->possible_cpus->cpus[i].props.has_core_id = true;
ms->possible_cpus->cpus[i].props.core_id = topo_ids.core_id;
ms->possible_cpus->cpus[i].props.has_thread_id = true;
@@ -50,6 +50,7 @@ typedef uint32_t apic_id_t;
typedef struct X86CPUTopoIDs {
unsigned pkg_id;
unsigned die_id;
+ unsigned module_id;
unsigned core_id;
unsigned smt_id;
} X86CPUTopoIDs;
@@ -143,6 +144,7 @@ static inline apic_id_t x86_apicid_from_topo_ids(X86CPUTopoInfo *topo_info,
{
return (topo_ids->pkg_id << apicid_pkg_offset(topo_info)) |
(topo_ids->die_id << apicid_die_offset(topo_info)) |
+ (topo_ids->module_id << apicid_module_offset(topo_info)) |
(topo_ids->core_id << apicid_core_offset(topo_info)) |
topo_ids->smt_id;
}
@@ -156,12 +158,16 @@ static inline void x86_topo_ids_from_idx(X86CPUTopoInfo *topo_info,
X86CPUTopoIDs *topo_ids)
{
unsigned nr_dies = topo_info->dies_per_pkg;
- unsigned nr_cores = topo_info->cores_per_module *
- topo_info->modules_per_die;
+ unsigned nr_modules = topo_info->modules_per_die;
+ unsigned nr_cores = topo_info->cores_per_module;
unsigned nr_threads = topo_info->threads_per_core;
- topo_ids->pkg_id = cpu_index / (nr_dies * nr_cores * nr_threads);
- topo_ids->die_id = cpu_index / (nr_cores * nr_threads) % nr_dies;
+ topo_ids->pkg_id = cpu_index / (nr_dies * nr_modules *
+ nr_cores * nr_threads);
+ topo_ids->die_id = cpu_index / (nr_modules * nr_cores *
+ nr_threads) % nr_dies;
+ topo_ids->module_id = cpu_index / (nr_cores * nr_threads) %
+ nr_modules;
topo_ids->core_id = cpu_index / nr_threads % nr_cores;
topo_ids->smt_id = cpu_index % nr_threads;
}
@@ -179,6 +185,9 @@ static inline void x86_topo_ids_from_apicid(apic_id_t apicid,
topo_ids->core_id =
(apicid >> apicid_core_offset(topo_info)) &
~(0xFFFFFFFFUL << apicid_core_width(topo_info));
+ topo_ids->module_id =
+ (apicid >> apicid_module_offset(topo_info)) &
+ ~(0xFFFFFFFFUL << apicid_module_width(topo_info));
topo_ids->die_id =
(apicid >> apicid_die_offset(topo_info)) &
~(0xFFFFFFFFUL << apicid_die_width(topo_info));