* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+
#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/i386/pc.h"
#include "qemu/bitmap.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"
+#include "qemu/option.h"
#include "hw/acpi/acpi.h"
#include "hw/acpi/cpu_hotplug.h"
#include "hw/boards.h"
#include "hw/pci/pci_host.h"
#include "acpi-build.h"
#include "hw/mem/pc-dimm.h"
+#include "qapi/error.h"
+#include "qapi/qapi-visit-common.h"
#include "qapi/visitor.h"
-#include "qapi-visit.h"
#include "qom/cpu.h"
#include "hw/nmi.h"
#include "hw/i386/intel_iommu.h"
+#include "hw/net/ne2000-isa.h"
/* debug PC/ISA interrupts */
//#define DEBUG_IRQ
warn_report("multiple floppy disk controllers with "
"iobase=0x3f0 have been found");
error_printf("the one being picked for CMOS setup might not reflect "
- "your intent\n");
+ "your intent");
}
return state.floppy;
void pc_hot_add_cpu(const int64_t id, Error **errp)
{
- ObjectClass *oc;
MachineState *ms = MACHINE(qdev_get_machine());
int64_t apic_id = x86_cpu_apic_id_from_index(id);
Error *local_err = NULL;
return;
}
- assert(ms->possible_cpus->cpus[0].cpu); /* BSP is always present */
- oc = OBJECT_CLASS(CPU_GET_CLASS(ms->possible_cpus->cpus[0].cpu));
- pc_new_cpu(object_class_get_name(oc), apic_id, &local_err);
+ pc_new_cpu(ms->cpu_type, apic_id, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
void pc_cpus_init(PCMachineState *pcms)
{
int i;
- CPUClass *cc;
- ObjectClass *oc;
- const char *typename;
- gchar **model_pieces;
const CPUArchIdList *possible_cpus;
- MachineState *machine = MACHINE(pcms);
+ MachineState *ms = MACHINE(pcms);
MachineClass *mc = MACHINE_GET_CLASS(pcms);
- /* init CPUs */
- if (machine->cpu_model == NULL) {
-#ifdef TARGET_X86_64
- machine->cpu_model = "qemu64";
-#else
- machine->cpu_model = "qemu32";
-#endif
- }
-
- model_pieces = g_strsplit(machine->cpu_model, ",", 2);
- if (!model_pieces[0]) {
- error_report("Invalid/empty CPU model name");
- exit(1);
- }
-
- oc = cpu_class_by_name(TYPE_X86_CPU, model_pieces[0]);
- if (oc == NULL) {
- error_report("Unable to find CPU definition: %s", model_pieces[0]);
- exit(1);
- }
- typename = object_class_get_name(oc);
- cc = CPU_CLASS(oc);
- cc->parse_features(typename, model_pieces[1], &error_fatal);
- g_strfreev(model_pieces);
-
/* Calculates the limit to CPU APIC ID values
*
* Limit for the APIC ID value, so that all
* This is used for FW_CFG_MAX_CPUS. See comments on bochs_bios_init().
*/
pcms->apic_id_limit = x86_cpu_apic_id_from_index(max_cpus - 1) + 1;
- possible_cpus = mc->possible_cpu_arch_ids(machine);
+ possible_cpus = mc->possible_cpu_arch_ids(ms);
for (i = 0; i < smp_cpus; i++) {
- pc_new_cpu(typename, possible_cpus->cpus[i].arch_id, &error_fatal);
+ pc_new_cpu(possible_cpus->cpus[i].type, possible_cpus->cpus[i].arch_id,
+ &error_fatal);
}
}
fw_cfg_modify_i16(pcms->fw_cfg, FW_CFG_NB_CPUS, pcms->boot_cpus);
}
- if (pcms->apic_id_limit > 255) {
+ if (pcms->apic_id_limit > 255 && !xen_enabled()) {
IntelIOMMUState *iommu = INTEL_IOMMU_DEVICE(x86_iommu_get_default());
if (!iommu || !iommu->x86_iommu.intr_supported ||
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, default_dsdt);
if (filename == NULL) {
- fprintf(stderr, "WARNING: failed to find %s\n", default_dsdt);
+ warn_report("failed to find %s", default_dsdt);
} else {
QemuOpts *opts = qemu_opts_create(qemu_find_opts("acpi"), NULL, 0,
&error_abort);
option_rom_mr = g_malloc(sizeof(*option_rom_mr));
memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE,
&error_fatal);
+ if (pcmc->pci_enabled) {
+ memory_region_set_readonly(option_rom_mr, true);
+ }
memory_region_add_subregion_overlap(rom_memory,
PC_ROM_MIN_VGA,
option_rom_mr,
pcms->ioapic_as = &address_space_memory;
}
+/*
+ * The 64bit pci hole starts after "above 4G RAM" and
+ * potentially the space reserved for memory hotplug.
+ */
+uint64_t pc_pci_hole64_start(void)
+{
+ PCMachineState *pcms = PC_MACHINE(qdev_get_machine());
+ PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
+ uint64_t hole64_start = 0;
+
+ if (pcmc->has_reserved_memory && pcms->hotplug_memory.base) {
+ hole64_start = pcms->hotplug_memory.base;
+ if (!pcmc->broken_reserved_end) {
+ hole64_start += memory_region_size(&pcms->hotplug_memory.mr);
+ }
+ } else {
+ hole64_start = 0x100000000ULL + pcms->above_4g_mem_size;
+ }
+
+ return ROUND_UP(hole64_start, 1ULL << 30);
+}
+
qemu_irq pc_allocate_cpu_irq(void)
{
return qemu_allocate_irq(pic_irq_request, NULL, 0);
rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT);
}
}
- *rtc_state = rtc_init(isa_bus, 2000, rtc_irq);
+ *rtc_state = mc146818_rtc_init(isa_bus, 2000, rtc_irq);
qemu_register_boot_set(pc_boot_set, *rtc_state);
if (kvm_pit_in_kernel()) {
pit = kvm_pit_init(isa_bus, 0x40);
} else {
- pit = pit_init(isa_bus, 0x40, pit_isa_irq, pit_alt_irq);
+ pit = i8254_pit_init(isa_bus, 0x40, pit_isa_irq, pit_alt_irq);
}
if (hpet) {
/* connect PIT to output control line of the HPET */
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
- MemoryRegion *mr = ddc->get_memory_region(dimm);
+ MemoryRegion *mr;
uint64_t align = TARGET_PAGE_SIZE;
bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
+ mr = ddc->get_memory_region(dimm, &local_err);
+ if (local_err) {
+ goto out;
+ }
+
if (memory_region_get_alignment(mr) && pcmc->enforce_aligned_dimm) {
align = memory_region_get_alignment(mr);
}
- if (!pcms->acpi_dev) {
+ /*
+ * When -no-acpi is used with Q35 machine type, no ACPI is built,
+ * but pcms->acpi_dev is still created. Check !acpi_enabled in
+ * addition to cover this case.
+ */
+ if (!pcms->acpi_dev || !acpi_enabled) {
error_setg(&local_err,
- "memory hotplug is not enabled: missing acpi device");
+ "memory hotplug is not enabled: missing acpi device or acpi disabled");
goto out;
}
Error *local_err = NULL;
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
- if (!pcms->acpi_dev) {
+ /*
+ * When -no-acpi is used with Q35 machine type, no ACPI is built,
+ * but pcms->acpi_dev is still created. Check !acpi_enabled in
+ * addition to cover this case.
+ */
+ if (!pcms->acpi_dev || !acpi_enabled) {
error_setg(&local_err,
- "memory hotplug is not enabled: missing acpi device");
+ "memory hotplug is not enabled: missing acpi device or acpi disabled");
goto out;
}
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
- MemoryRegion *mr = ddc->get_memory_region(dimm);
+ MemoryRegion *mr;
HotplugHandlerClass *hhc;
Error *local_err = NULL;
+ mr = ddc->get_memory_region(dimm, &local_err);
+ if (local_err) {
+ goto out;
+ }
+
hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
hhc->unplug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
X86CPU *cpu = X86_CPU(dev);
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
+ if (!pcms->acpi_dev) {
+ error_setg(&local_err, "CPU hot unplug not supported without ACPI");
+ goto out;
+ }
+
pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx);
assert(idx != -1);
if (idx == 0) {
CPUArchId *cpu_slot;
X86CPUTopoInfo topo;
X86CPU *cpu = X86_CPU(dev);
+ MachineState *ms = MACHINE(hotplug_dev);
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
+ if(!object_dynamic_cast(OBJECT(cpu), ms->cpu_type)) {
+ error_setg(errp, "Invalid CPU type, expected cpu type: '%s'",
+ ms->cpu_type);
+ return;
+ }
+
/* if APIC ID is not set, set it based on socket/core/thread properties */
if (cpu->apic_id == UNASSIGNED_APIC_ID) {
int max_socket = (max_cpus - 1) / smp_threads / smp_cores;
}
if (value < (1ULL << 20)) {
- warn_report("small max_ram_below_4g(%"PRIu64
- ") less than 1M. BIOS may not work..",
- value);
+ warn_report("Only %" PRIu64 " bytes of RAM below the 4GiB boundary,"
+ "BIOS may not work with less than 1MiB", value);
}
pcms->max_ram_below_4g = value;
return possible_cpus->cpus[cpu_index].props;
}
+static int64_t pc_get_default_cpu_node_id(const MachineState *ms, int idx)
+{
+ X86CPUTopoInfo topo;
+
+ assert(idx < ms->possible_cpus->len);
+ x86_topo_ids_from_apicid(ms->possible_cpus->cpus[idx].arch_id,
+ smp_cores, smp_threads, &topo);
+ return topo.pkg_id % nb_numa_nodes;
+}
+
static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *ms)
{
int i;
for (i = 0; i < ms->possible_cpus->len; i++) {
X86CPUTopoInfo topo;
+ ms->possible_cpus->cpus[i].type = ms->cpu_type;
ms->possible_cpus->cpus[i].vcpus_count = 1;
ms->possible_cpus->cpus[i].arch_id = x86_cpu_apic_id_from_index(i);
x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
ms->possible_cpus->cpus[i].props.core_id = topo.core_id;
ms->possible_cpus->cpus[i].props.has_thread_id = true;
ms->possible_cpus->cpus[i].props.thread_id = topo.smt_id;
-
- /* default distribution of CPUs over NUMA nodes */
- if (nb_numa_nodes) {
- /* preset values but do not enable them i.e. 'has_node_id = false',
- * numa init code will enable them later if manual mapping wasn't
- * present on CLI */
- ms->possible_cpus->cpus[i].props.node_id =
- topo.pkg_id % nb_numa_nodes;
- }
}
return ms->possible_cpus;
}
pcmc->linuxboot_dma_enabled = true;
mc->get_hotplug_handler = pc_get_hotpug_handler;
mc->cpu_index_to_instance_props = pc_cpu_index_to_props;
+ mc->get_default_cpu_node_id = pc_get_default_cpu_node_id;
mc->possible_cpu_arch_ids = pc_possible_cpu_arch_ids;
+ mc->auto_enable_numa_with_memhp = true;
mc->has_hotpluggable_cpus = true;
mc->default_boot_order = "cad";
mc->hot_add_cpu = pc_hot_add_cpu;
hc->unplug_request = pc_machine_device_unplug_request_cb;
hc->unplug = pc_machine_device_unplug_cb;
nc->nmi_monitor_handler = x86_nmi;
+ mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE;
object_class_property_add(oc, PC_MACHINE_MEMHP_REGION_SIZE, "int",
pc_machine_get_hotplug_memory_region_size, NULL,
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