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-rw-r--r--hw/i386/pc.c281
-rw-r--r--hw/i386/x86.c271
-rw-r--r--include/hw/i386/x86.h10
3 files changed, 286 insertions, 276 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index a18140421e..b55369357e 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -803,19 +803,6 @@ void pc_hot_add_cpu(MachineState *ms, const int64_t id, Error **errp)
}
}
-static void rtc_set_cpus_count(ISADevice *rtc, uint16_t cpus_count)
-{
- if (cpus_count > 0xff) {
- /* If the number of CPUs can't be represented in 8 bits, the
- * BIOS must use "FW_CFG_NB_CPUS". Set RTC field to 0 just
- * to make old BIOSes fail more predictably.
- */
- rtc_set_memory(rtc, 0x5f, 0);
- } else {
- rtc_set_memory(rtc, 0x5f, cpus_count - 1);
- }
-}
-
static
void pc_machine_done(Notifier *notifier, void *data)
{
@@ -825,7 +812,7 @@ void pc_machine_done(Notifier *notifier, void *data)
PCIBus *bus = pcms->bus;
/* set the number of CPUs */
- rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
+ x86_rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
if (bus) {
int extra_hosts = 0;
@@ -1373,264 +1360,6 @@ static void pc_memory_unplug(HotplugHandler *hotplug_dev,
error_propagate(errp, local_err);
}
-static int pc_apic_cmp(const void *a, const void *b)
-{
- CPUArchId *apic_a = (CPUArchId *)a;
- CPUArchId *apic_b = (CPUArchId *)b;
-
- return apic_a->arch_id - apic_b->arch_id;
-}
-
-/* returns pointer to CPUArchId descriptor that matches CPU's apic_id
- * in ms->possible_cpus->cpus, if ms->possible_cpus->cpus has no
- * entry corresponding to CPU's apic_id returns NULL.
- */
-static CPUArchId *pc_find_cpu_slot(MachineState *ms, uint32_t id, int *idx)
-{
- CPUArchId apic_id, *found_cpu;
-
- apic_id.arch_id = id;
- found_cpu = bsearch(&apic_id, ms->possible_cpus->cpus,
- ms->possible_cpus->len, sizeof(*ms->possible_cpus->cpus),
- pc_apic_cmp);
- if (found_cpu && idx) {
- *idx = found_cpu - ms->possible_cpus->cpus;
- }
- return found_cpu;
-}
-
-static void pc_cpu_plug(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
-{
- CPUArchId *found_cpu;
- Error *local_err = NULL;
- X86CPU *cpu = X86_CPU(dev);
- PCMachineState *pcms = PC_MACHINE(hotplug_dev);
- X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
-
- if (x86ms->acpi_dev) {
- hotplug_handler_plug(x86ms->acpi_dev, dev, &local_err);
- if (local_err) {
- goto out;
- }
- }
-
- /* increment the number of CPUs */
- x86ms->boot_cpus++;
- if (x86ms->rtc) {
- rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
- }
- if (x86ms->fw_cfg) {
- fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
- }
-
- found_cpu = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, NULL);
- found_cpu->cpu = OBJECT(dev);
-out:
- error_propagate(errp, local_err);
-}
-static void pc_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
-{
- int idx = -1;
- X86CPU *cpu = X86_CPU(dev);
- PCMachineState *pcms = PC_MACHINE(hotplug_dev);
- X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
-
- if (!x86ms->acpi_dev) {
- error_setg(errp, "CPU hot unplug not supported without ACPI");
- return;
- }
-
- pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx);
- assert(idx != -1);
- if (idx == 0) {
- error_setg(errp, "Boot CPU is unpluggable");
- return;
- }
-
- hotplug_handler_unplug_request(x86ms->acpi_dev, dev,
- errp);
-}
-
-static void pc_cpu_unplug_cb(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
-{
- CPUArchId *found_cpu;
- Error *local_err = NULL;
- X86CPU *cpu = X86_CPU(dev);
- PCMachineState *pcms = PC_MACHINE(hotplug_dev);
- X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
-
- hotplug_handler_unplug(x86ms->acpi_dev, dev, &local_err);
- if (local_err) {
- goto out;
- }
-
- found_cpu = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, NULL);
- found_cpu->cpu = NULL;
- qdev_unrealize(dev);
-
- /* decrement the number of CPUs */
- x86ms->boot_cpus--;
- /* Update the number of CPUs in CMOS */
- rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
- fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
- out:
- error_propagate(errp, local_err);
-}
-
-static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
-{
- int idx;
- CPUState *cs;
- CPUArchId *cpu_slot;
- X86CPUTopoIDs topo_ids;
- X86CPU *cpu = X86_CPU(dev);
- CPUX86State *env = &cpu->env;
- MachineState *ms = MACHINE(hotplug_dev);
- PCMachineState *pcms = PC_MACHINE(hotplug_dev);
- X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
- unsigned int smp_cores = ms->smp.cores;
- unsigned int smp_threads = ms->smp.threads;
- X86CPUTopoInfo topo_info;
-
- if(!object_dynamic_cast(OBJECT(cpu), ms->cpu_type)) {
- error_setg(errp, "Invalid CPU type, expected cpu type: '%s'",
- ms->cpu_type);
- return;
- }
-
- init_topo_info(&topo_info, x86ms);
-
- env->nr_dies = x86ms->smp_dies;
-
- /*
- * If APIC ID is not set,
- * set it based on socket/die/core/thread properties.
- */
- if (cpu->apic_id == UNASSIGNED_APIC_ID) {
- int max_socket = (ms->smp.max_cpus - 1) /
- smp_threads / smp_cores / x86ms->smp_dies;
-
- /*
- * die-id was optional in QEMU 4.0 and older, so keep it optional
- * if there's only one die per socket.
- */
- if (cpu->die_id < 0 && x86ms->smp_dies == 1) {
- cpu->die_id = 0;
- }
-
- if (cpu->socket_id < 0) {
- error_setg(errp, "CPU socket-id is not set");
- return;
- } else if (cpu->socket_id > max_socket) {
- error_setg(errp, "Invalid CPU socket-id: %u must be in range 0:%u",
- cpu->socket_id, max_socket);
- return;
- }
- if (cpu->die_id < 0) {
- error_setg(errp, "CPU die-id is not set");
- return;
- } else if (cpu->die_id > x86ms->smp_dies - 1) {
- error_setg(errp, "Invalid CPU die-id: %u must be in range 0:%u",
- cpu->die_id, x86ms->smp_dies - 1);
- return;
- }
- if (cpu->core_id < 0) {
- error_setg(errp, "CPU core-id is not set");
- return;
- } else if (cpu->core_id > (smp_cores - 1)) {
- error_setg(errp, "Invalid CPU core-id: %u must be in range 0:%u",
- cpu->core_id, smp_cores - 1);
- return;
- }
- if (cpu->thread_id < 0) {
- error_setg(errp, "CPU thread-id is not set");
- return;
- } else if (cpu->thread_id > (smp_threads - 1)) {
- error_setg(errp, "Invalid CPU thread-id: %u must be in range 0:%u",
- cpu->thread_id, smp_threads - 1);
- return;
- }
-
- topo_ids.pkg_id = cpu->socket_id;
- topo_ids.die_id = cpu->die_id;
- topo_ids.core_id = cpu->core_id;
- topo_ids.smt_id = cpu->thread_id;
- cpu->apic_id = x86_apicid_from_topo_ids(&topo_info, &topo_ids);
- }
-
- cpu_slot = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx);
- if (!cpu_slot) {
- MachineState *ms = MACHINE(pcms);
-
- 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);
- return;
- }
-
- if (cpu_slot->cpu) {
- error_setg(errp, "CPU[%d] with APIC ID %" PRIu32 " exists",
- idx, cpu->apic_id);
- return;
- }
-
- /* if 'address' properties socket-id/core-id/thread-id are not set, set them
- * so that machine_query_hotpluggable_cpus would show correct values
- */
- /* TODO: move socket_id/core_id/thread_id checks into x86_cpu_realizefn()
- * once -smp refactoring is complete and there will be CPU private
- * CPUState::nr_cores and CPUState::nr_threads fields instead of globals */
- x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids);
- if (cpu->socket_id != -1 && cpu->socket_id != topo_ids.pkg_id) {
- error_setg(errp, "property socket-id: %u doesn't match set apic-id:"
- " 0x%x (socket-id: %u)", cpu->socket_id, cpu->apic_id,
- topo_ids.pkg_id);
- return;
- }
- cpu->socket_id = topo_ids.pkg_id;
-
- if (cpu->die_id != -1 && cpu->die_id != topo_ids.die_id) {
- error_setg(errp, "property die-id: %u doesn't match set apic-id:"
- " 0x%x (die-id: %u)", cpu->die_id, cpu->apic_id, topo_ids.die_id);
- return;
- }
- cpu->die_id = topo_ids.die_id;
-
- if (cpu->core_id != -1 && cpu->core_id != topo_ids.core_id) {
- error_setg(errp, "property core-id: %u doesn't match set apic-id:"
- " 0x%x (core-id: %u)", cpu->core_id, cpu->apic_id,
- topo_ids.core_id);
- return;
- }
- cpu->core_id = topo_ids.core_id;
-
- if (cpu->thread_id != -1 && cpu->thread_id != topo_ids.smt_id) {
- error_setg(errp, "property thread-id: %u doesn't match set apic-id:"
- " 0x%x (thread-id: %u)", cpu->thread_id, cpu->apic_id,
- topo_ids.smt_id);
- return;
- }
- cpu->thread_id = topo_ids.smt_id;
-
- if (hyperv_feat_enabled(cpu, HYPERV_FEAT_VPINDEX) &&
- !kvm_hv_vpindex_settable()) {
- error_setg(errp, "kernel doesn't allow setting HyperV VP_INDEX");
- return;
- }
-
- cs = CPU(cpu);
- cs->cpu_index = idx;
-
- numa_cpu_pre_plug(cpu_slot, dev, errp);
-}
-
static void pc_virtio_md_pci_pre_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
@@ -1699,7 +1428,7 @@ static void pc_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev,
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
pc_memory_pre_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
- pc_cpu_pre_plug(hotplug_dev, dev, errp);
+ x86_cpu_pre_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
pc_virtio_md_pci_pre_plug(hotplug_dev, dev, errp);
@@ -1712,7 +1441,7 @@ static void pc_machine_device_plug_cb(HotplugHandler *hotplug_dev,
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
pc_memory_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
- pc_cpu_plug(hotplug_dev, dev, errp);
+ x86_cpu_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
pc_virtio_md_pci_plug(hotplug_dev, dev, errp);
@@ -1725,7 +1454,7 @@ static void pc_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev,
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
pc_memory_unplug_request(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
- pc_cpu_unplug_request_cb(hotplug_dev, dev, errp);
+ x86_cpu_unplug_request_cb(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
pc_virtio_md_pci_unplug_request(hotplug_dev, dev, errp);
@@ -1741,7 +1470,7 @@ static void pc_machine_device_unplug_cb(HotplugHandler *hotplug_dev,
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
pc_memory_unplug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
- pc_cpu_unplug_cb(hotplug_dev, dev, errp);
+ x86_cpu_unplug_cb(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
pc_virtio_md_pci_unplug(hotplug_dev, dev, errp);
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index e2a5005f38..c2ea989579 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -41,6 +41,7 @@
#include "hw/i386/topology.h"
#include "hw/i386/fw_cfg.h"
#include "hw/intc/i8259.h"
+#include "hw/rtc/mc146818rtc.h"
#include "hw/acpi/cpu_hotplug.h"
#include "hw/irq.h"
@@ -137,6 +138,276 @@ void x86_cpus_init(X86MachineState *x86ms, int default_cpu_version)
}
}
+void x86_rtc_set_cpus_count(ISADevice *rtc, uint16_t cpus_count)
+{
+ if (cpus_count > 0xff) {
+ /*
+ * If the number of CPUs can't be represented in 8 bits, the
+ * BIOS must use "FW_CFG_NB_CPUS". Set RTC field to 0 just
+ * to make old BIOSes fail more predictably.
+ */
+ rtc_set_memory(rtc, 0x5f, 0);
+ } else {
+ rtc_set_memory(rtc, 0x5f, cpus_count - 1);
+ }
+}
+
+static int x86_apic_cmp(const void *a, const void *b)
+{
+ CPUArchId *apic_a = (CPUArchId *)a;
+ CPUArchId *apic_b = (CPUArchId *)b;
+
+ return apic_a->arch_id - apic_b->arch_id;
+}
+
+/*
+ * returns pointer to CPUArchId descriptor that matches CPU's apic_id
+ * in ms->possible_cpus->cpus, if ms->possible_cpus->cpus has no
+ * entry corresponding to CPU's apic_id returns NULL.
+ */
+CPUArchId *x86_find_cpu_slot(MachineState *ms, uint32_t id, int *idx)
+{
+ CPUArchId apic_id, *found_cpu;
+
+ apic_id.arch_id = id;
+ found_cpu = bsearch(&apic_id, ms->possible_cpus->cpus,
+ ms->possible_cpus->len, sizeof(*ms->possible_cpus->cpus),
+ x86_apic_cmp);
+ if (found_cpu && idx) {
+ *idx = found_cpu - ms->possible_cpus->cpus;
+ }
+ return found_cpu;
+}
+
+void x86_cpu_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ CPUArchId *found_cpu;
+ Error *local_err = NULL;
+ X86CPU *cpu = X86_CPU(dev);
+ X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
+
+ if (x86ms->acpi_dev) {
+ hotplug_handler_plug(x86ms->acpi_dev, dev, &local_err);
+ if (local_err) {
+ goto out;
+ }
+ }
+
+ /* increment the number of CPUs */
+ x86ms->boot_cpus++;
+ if (x86ms->rtc) {
+ x86_rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
+ }
+ if (x86ms->fw_cfg) {
+ fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
+ }
+
+ found_cpu = x86_find_cpu_slot(MACHINE(x86ms), cpu->apic_id, NULL);
+ found_cpu->cpu = OBJECT(dev);
+out:
+ error_propagate(errp, local_err);
+}
+
+void x86_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ int idx = -1;
+ X86CPU *cpu = X86_CPU(dev);
+ X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
+
+ if (!x86ms->acpi_dev) {
+ error_setg(errp, "CPU hot unplug not supported without ACPI");
+ return;
+ }
+
+ x86_find_cpu_slot(MACHINE(x86ms), cpu->apic_id, &idx);
+ assert(idx != -1);
+ if (idx == 0) {
+ error_setg(errp, "Boot CPU is unpluggable");
+ return;
+ }
+
+ hotplug_handler_unplug_request(x86ms->acpi_dev, dev,
+ errp);
+}
+
+void x86_cpu_unplug_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ CPUArchId *found_cpu;
+ Error *local_err = NULL;
+ X86CPU *cpu = X86_CPU(dev);
+ X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
+
+ hotplug_handler_unplug(x86ms->acpi_dev, dev, &local_err);
+ if (local_err) {
+ goto out;
+ }
+
+ found_cpu = x86_find_cpu_slot(MACHINE(x86ms), cpu->apic_id, NULL);
+ found_cpu->cpu = NULL;
+ qdev_unrealize(dev);
+
+ /* decrement the number of CPUs */
+ x86ms->boot_cpus--;
+ /* Update the number of CPUs in CMOS */
+ x86_rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
+ fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
+ out:
+ error_propagate(errp, local_err);
+}
+
+void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ int idx;
+ CPUState *cs;
+ CPUArchId *cpu_slot;
+ X86CPUTopoIDs topo_ids;
+ X86CPU *cpu = X86_CPU(dev);
+ CPUX86State *env = &cpu->env;
+ MachineState *ms = MACHINE(hotplug_dev);
+ X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
+ unsigned int smp_cores = ms->smp.cores;
+ unsigned int smp_threads = ms->smp.threads;
+ X86CPUTopoInfo topo_info;
+
+ if (!object_dynamic_cast(OBJECT(cpu), ms->cpu_type)) {
+ error_setg(errp, "Invalid CPU type, expected cpu type: '%s'",
+ ms->cpu_type);
+ return;
+ }
+
+ init_topo_info(&topo_info, x86ms);
+
+ env->nr_dies = x86ms->smp_dies;
+
+ /*
+ * If APIC ID is not set,
+ * set it based on socket/die/core/thread properties.
+ */
+ if (cpu->apic_id == UNASSIGNED_APIC_ID) {
+ int max_socket = (ms->smp.max_cpus - 1) /
+ smp_threads / smp_cores / x86ms->smp_dies;
+
+ /*
+ * die-id was optional in QEMU 4.0 and older, so keep it optional
+ * if there's only one die per socket.
+ */
+ if (cpu->die_id < 0 && x86ms->smp_dies == 1) {
+ cpu->die_id = 0;
+ }
+
+ if (cpu->socket_id < 0) {
+ error_setg(errp, "CPU socket-id is not set");
+ return;
+ } else if (cpu->socket_id > max_socket) {
+ error_setg(errp, "Invalid CPU socket-id: %u must be in range 0:%u",
+ cpu->socket_id, max_socket);
+ return;
+ }
+ if (cpu->die_id < 0) {
+ error_setg(errp, "CPU die-id is not set");
+ return;
+ } else if (cpu->die_id > x86ms->smp_dies - 1) {
+ error_setg(errp, "Invalid CPU die-id: %u must be in range 0:%u",
+ cpu->die_id, x86ms->smp_dies - 1);
+ return;
+ }
+ if (cpu->core_id < 0) {
+ error_setg(errp, "CPU core-id is not set");
+ return;
+ } else if (cpu->core_id > (smp_cores - 1)) {
+ error_setg(errp, "Invalid CPU core-id: %u must be in range 0:%u",
+ cpu->core_id, smp_cores - 1);
+ return;
+ }
+ if (cpu->thread_id < 0) {
+ error_setg(errp, "CPU thread-id is not set");
+ return;
+ } else if (cpu->thread_id > (smp_threads - 1)) {
+ error_setg(errp, "Invalid CPU thread-id: %u must be in range 0:%u",
+ cpu->thread_id, smp_threads - 1);
+ return;
+ }
+
+ topo_ids.pkg_id = cpu->socket_id;
+ topo_ids.die_id = cpu->die_id;
+ topo_ids.core_id = cpu->core_id;
+ topo_ids.smt_id = cpu->thread_id;
+ 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) {
+ MachineState *ms = MACHINE(x86ms);
+
+ 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);
+ return;
+ }
+
+ if (cpu_slot->cpu) {
+ error_setg(errp, "CPU[%d] with APIC ID %" PRIu32 " exists",
+ idx, cpu->apic_id);
+ return;
+ }
+
+ /* if 'address' properties socket-id/core-id/thread-id are not set, set them
+ * so that machine_query_hotpluggable_cpus would show correct values
+ */
+ /* TODO: move socket_id/core_id/thread_id checks into x86_cpu_realizefn()
+ * once -smp refactoring is complete and there will be CPU private
+ * CPUState::nr_cores and CPUState::nr_threads fields instead of globals */
+ x86_topo_ids_from_apicid(cpu->apic_id, &topo_info, &topo_ids);
+ if (cpu->socket_id != -1 && cpu->socket_id != topo_ids.pkg_id) {
+ error_setg(errp, "property socket-id: %u doesn't match set apic-id:"
+ " 0x%x (socket-id: %u)", cpu->socket_id, cpu->apic_id,
+ topo_ids.pkg_id);
+ return;
+ }
+ cpu->socket_id = topo_ids.pkg_id;
+
+ if (cpu->die_id != -1 && cpu->die_id != topo_ids.die_id) {
+ error_setg(errp, "property die-id: %u doesn't match set apic-id:"
+ " 0x%x (die-id: %u)", cpu->die_id, cpu->apic_id, topo_ids.die_id);
+ return;
+ }
+ cpu->die_id = topo_ids.die_id;
+
+ if (cpu->core_id != -1 && cpu->core_id != topo_ids.core_id) {
+ error_setg(errp, "property core-id: %u doesn't match set apic-id:"
+ " 0x%x (core-id: %u)", cpu->core_id, cpu->apic_id,
+ topo_ids.core_id);
+ return;
+ }
+ cpu->core_id = topo_ids.core_id;
+
+ if (cpu->thread_id != -1 && cpu->thread_id != topo_ids.smt_id) {
+ error_setg(errp, "property thread-id: %u doesn't match set apic-id:"
+ " 0x%x (thread-id: %u)", cpu->thread_id, cpu->apic_id,
+ topo_ids.smt_id);
+ return;
+ }
+ cpu->thread_id = topo_ids.smt_id;
+
+ if (hyperv_feat_enabled(cpu, HYPERV_FEAT_VPINDEX) &&
+ !kvm_hv_vpindex_settable()) {
+ error_setg(errp, "kernel doesn't allow setting HyperV VP_INDEX");
+ return;
+ }
+
+ cs = CPU(cpu);
+ cs->cpu_index = idx;
+
+ numa_cpu_pre_plug(cpu_slot, dev, errp);
+}
+
CpuInstanceProperties
x86_cpu_index_to_props(MachineState *ms, unsigned cpu_index)
{
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index f540e801a8..0eef9fb0c0 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -92,6 +92,16 @@ CpuInstanceProperties x86_cpu_index_to_props(MachineState *ms,
unsigned cpu_index);
int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx);
const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms);
+CPUArchId *x86_find_cpu_slot(MachineState *ms, uint32_t id, int *idx);
+void x86_rtc_set_cpus_count(ISADevice *rtc, uint16_t cpus_count);
+void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp);
+void x86_cpu_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp);
+void x86_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp);
+void x86_cpu_unplug_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp);
void x86_bios_rom_init(MemoryRegion *rom_memory, bool isapc_ram_fw);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 02:23:40 +0000