it should not be present for machine versions that do not support
memory hotplug.
Signed-off-by: Igor Mammedov <imamm...@redhat.com>
---
hw/acpi/core.c | 27 +++++++++++++++++++++++++++
hw/acpi/ich9.c | 7 +++++++
hw/acpi/piix4.c | 7 +++++++
include/hw/acpi/acpi.h | 8 ++++++++
4 files changed, 49 insertions(+), 0 deletions(-)
diff --git a/hw/acpi/core.c b/hw/acpi/core.c
index 18e169c..664aec0 100644
--- a/hw/acpi/core.c
+++ b/hw/acpi/core.c
@@ -824,3 +824,30 @@ int acpi_memory_hotplug_cb(ACPIREGS *regs, MemHotplugState
*mem_st,
regs->gpe.sts[0] |= ACPI_MEMORY_HOTPLUG_STATUS;
return 0;
}
+
+static const VMStateDescription vmstate_memhp_sts = {
+ .name = "memory hotplug device state",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_BOOL(is_enabled, MemStatus),
+ VMSTATE_BOOL(is_inserting, MemStatus),
+ VMSTATE_UINT32(ost_event, MemStatus),
+ VMSTATE_UINT32(ost_status, MemStatus),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+const VMStateDescription vmstate_memory_hotplug = {
+ .name = "memory hotplug state",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(selector, MemHotplugState),
+ VMSTATE_STRUCT_VARRAY_POINTER_UINT32(devs, MemHotplugState, dev_count,
+ vmstate_memhp_sts, MemStatus),
+ VMSTATE_END_OF_LIST()
+ }
+};
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index ab76cc6..ae0c198 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -139,6 +139,12 @@ static int ich9_pm_post_load(void *opaque, int version_id)
.offset = vmstate_offset_pointer(_state, _field, uint8_t), \
}
+static bool vmstate_test_use_memhp(void *opaque, int version_id)
+{
+ ICH9LPCPMRegs *s = opaque;
+ return s->gpe_mem.dev_count != 0;
+}
+
const VMStateDescription vmstate_ich9_pm = {
.name = "ich9_pm",
.version_id = 1,
@@ -155,6 +161,7 @@ const VMStateDescription vmstate_ich9_pm = {
VMSTATE_GPE_ARRAY(acpi_regs.gpe.en, ICH9LPCPMRegs),
VMSTATE_UINT32(smi_en, ICH9LPCPMRegs),
VMSTATE_UINT32(smi_sts, ICH9LPCPMRegs),
+ VMSTATE_MEMORY_HOTPLUG(gpe_mem, ICH9LPCPMRegs, vmstate_test_use_memhp),
VMSTATE_END_OF_LIST()
}
};
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index a835981..3121738 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -285,6 +285,12 @@ static bool vmstate_test_no_use_acpi_pci_hotplug(void
*opaque, int version_id)
return !s->use_acpi_pci_hotplug;
}
+static bool vmstate_test_use_memhp(void *opaque, int version_id)
+{
+ PIIX4PMState *s = opaque;
+ return s->gpe_mem.dev_count != 0;
+}
+
/* qemu-kvm 1.2 uses version 3 but advertised as 2
* To support incoming qemu-kvm 1.2 migration, change version_id
* and minimum_version_id to 2 below (which breaks migration from
@@ -313,6 +319,7 @@ static const VMStateDescription vmstate_acpi = {
struct pci_status),
VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug, PIIX4PMState,
vmstate_test_use_acpi_pci_hotplug),
+ VMSTATE_MEMORY_HOTPLUG(gpe_mem, PIIX4PMState, vmstate_test_use_memhp),
VMSTATE_END_OF_LIST()
}
};
diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
index 95c608f..93637a5 100644
--- a/include/hw/acpi/acpi.h
+++ b/include/hw/acpi/acpi.h
@@ -194,6 +194,14 @@ void acpi_memory_hotplug_init(Object *owner, MemoryRegion
*io,
int acpi_memory_hotplug_cb(ACPIREGS *regs, MemHotplugState *mem_st,
DeviceState *dev, HotplugState state);
+
+extern const VMStateDescription vmstate_memory_hotplug;
+
+#define VMSTATE_MEMORY_HOTPLUG(memhp, state, test_memhp_fn) \
+ VMSTATE_STRUCT_TEST(memhp, state, test_memhp_fn, 1, \
+ vmstate_memory_hotplug, MemHotplugState)
+
+
/* acpi.c */
extern int acpi_enabled;
extern char unsigned *acpi_tables;
--
1.7.1
