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-rw-r--r--qemu/hw/acpi/cpu_hotplug.c79
1 files changed, 0 insertions, 79 deletions
diff --git a/qemu/hw/acpi/cpu_hotplug.c b/qemu/hw/acpi/cpu_hotplug.c
deleted file mode 100644
index 4d86743fd..000000000
--- a/qemu/hw/acpi/cpu_hotplug.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * QEMU ACPI hotplug utilities
- *
- * Copyright (C) 2013 Red Hat Inc
- *
- * Authors:
- * Igor Mammedov <imammedo@redhat.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-#include "qemu/osdep.h"
-#include "hw/hw.h"
-#include "hw/acpi/cpu_hotplug.h"
-#include "qapi/error.h"
-#include "qom/cpu.h"
-
-static uint64_t cpu_status_read(void *opaque, hwaddr addr, unsigned int size)
-{
- AcpiCpuHotplug *cpus = opaque;
- uint64_t val = cpus->sts[addr];
-
- return val;
-}
-
-static void cpu_status_write(void *opaque, hwaddr addr, uint64_t data,
- unsigned int size)
-{
- /* TODO: implement VCPU removal on guest signal that CPU can be removed */
-}
-
-static const MemoryRegionOps AcpiCpuHotplug_ops = {
- .read = cpu_status_read,
- .write = cpu_status_write,
- .endianness = DEVICE_LITTLE_ENDIAN,
- .valid = {
- .min_access_size = 1,
- .max_access_size = 1,
- },
-};
-
-static void acpi_set_cpu_present_bit(AcpiCpuHotplug *g, CPUState *cpu,
- Error **errp)
-{
- CPUClass *k = CPU_GET_CLASS(cpu);
- int64_t cpu_id;
-
- cpu_id = k->get_arch_id(cpu);
- if ((cpu_id / 8) >= ACPI_GPE_PROC_LEN) {
- error_setg(errp, "acpi: invalid cpu id: %" PRIi64, cpu_id);
- return;
- }
-
- g->sts[cpu_id / 8] |= (1 << (cpu_id % 8));
-}
-
-void acpi_cpu_plug_cb(ACPIREGS *ar, qemu_irq irq,
- AcpiCpuHotplug *g, DeviceState *dev, Error **errp)
-{
- acpi_set_cpu_present_bit(g, CPU(dev), errp);
- if (*errp != NULL) {
- return;
- }
-
- acpi_send_gpe_event(ar, irq, ACPI_CPU_HOTPLUG_STATUS);
-}
-
-void acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner,
- AcpiCpuHotplug *gpe_cpu, uint16_t base)
-{
- CPUState *cpu;
-
- CPU_FOREACH(cpu) {
- acpi_set_cpu_present_bit(gpe_cpu, cpu, &error_abort);
- }
- memory_region_init_io(&gpe_cpu->io, owner, &AcpiCpuHotplug_ops,
- gpe_cpu, "acpi-cpu-hotplug", ACPI_GPE_PROC_LEN);
- memory_region_add_subregion(parent, base, &gpe_cpu->io);
-}