diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/acpi/cpu_hotplug.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/acpi/cpu_hotplug.c')
-rw-r--r-- | qemu/hw/acpi/cpu_hotplug.c | 79 |
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); -} |