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[Xen-devel] [PATCH v5 14/24] hw: i386: Make the hotpluggable memory size property more generic



This property is currently defined under i386/pc while it only describes
a region size that's eventually fetched from the AML ACPI code.

We can make it more generic and shareable across machine types by moving
it to memory-device.h instead.

Signed-off-by: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
---
 include/hw/i386/pc.h           | 1 -
 include/hw/mem/memory-device.h | 2 ++
 hw/i386/acpi-build.c           | 2 +-
 hw/i386/pc.c                   | 3 ++-
 4 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index bbbdb33ea3..44cb6bf3f3 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -62,7 +62,6 @@ struct PCMachineState {
 };
 
 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
-#define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
 #define PC_MACHINE_VMPORT           "vmport"
 #define PC_MACHINE_SMM              "smm"
diff --git a/include/hw/mem/memory-device.h b/include/hw/mem/memory-device.h
index e904e194d5..d9a4fc7c3e 100644
--- a/include/hw/mem/memory-device.h
+++ b/include/hw/mem/memory-device.h
@@ -97,6 +97,8 @@ typedef struct MemoryDeviceClass {
                              MemoryDeviceInfo *info);
 } MemoryDeviceClass;
 
+#define MEMORY_DEVICE_REGION_SIZE "memory-device-region-size"
+
 MemoryDeviceInfoList *qmp_memory_device_list(void);
 uint64_t get_plugged_memory_size(void);
 void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms,
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index d8bba16776..1ef1a38441 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1628,7 +1628,7 @@ build_srat(GArray *table_data, BIOSLinker *linker,
     MachineClass *mc = MACHINE_GET_CLASS(machine);
     const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine);
     ram_addr_t hotplugabble_address_space_size =
-        object_property_get_int(OBJECT(machine), PC_MACHINE_DEVMEM_REGION_SIZE,
+        object_property_get_int(OBJECT(machine), MEMORY_DEVICE_REGION_SIZE,
                                 NULL);
 
     srat_start = table_data->len;
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 090f969933..c9ffc8cff6 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -67,6 +67,7 @@
 #include "hw/boards.h"
 #include "acpi-build.h"
 #include "hw/mem/pc-dimm.h"
+#include "hw/mem/memory-device.h"
 #include "qapi/error.h"
 #include "qapi/qapi-visit-common.h"
 #include "qapi/visitor.h"
@@ -2443,7 +2444,7 @@ static void pc_machine_class_init(ObjectClass *oc, void 
*data)
     nc->nmi_monitor_handler = x86_nmi;
     mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE;
 
-    object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int",
+    object_class_property_add(oc, MEMORY_DEVICE_REGION_SIZE, "int",
         pc_machine_get_device_memory_region_size, NULL,
         NULL, NULL, &error_abort);
 
-- 
2.19.1


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