@@ -236,6 +236,28 @@ static uint64_t pc_dimm_md_get_addr(const MemoryDeviceState *md)
return dimm->addr;
}
+static void pc_dimm_md_set_addr(MemoryDeviceState *md, uint64_t addr,
+ Error **errp)
+{
+ PCDIMMDevice *dimm = PC_DIMM(md);
+ const PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(md);
+ Error *local_err = NULL;
+ MemoryRegion *mr;
+
+ mr = ddc->get_memory_region(dimm, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
+ if (memory_region_is_mapped(mr)) {
+ error_setg(errp, "Can't change address, memory region already mapped.");
+ return;
+ }
+
+ dimm->addr = addr;
+}
+
static uint64_t pc_dimm_md_get_plugged_size(const MemoryDeviceState *md,
Error **errp)
{
@@ -307,6 +329,7 @@ static void pc_dimm_class_init(ObjectClass *oc, void *data)
ddc->get_vmstate_memory_region = pc_dimm_get_memory_region;
mdc->get_addr = pc_dimm_md_get_addr;
+ mdc->set_addr = pc_dimm_md_set_addr;
mdc->get_plugged_size = pc_dimm_md_get_plugged_size;
mdc->get_memory_region = pc_dimm_md_get_memory_region;
mdc->fill_device_info = pc_dimm_md_fill_device_info;
We can change the address as long as the device has not been plugged (== memory region mapped) yet. Signed-off-by: David Hildenbrand <david@redhat.com> --- hw/mem/pc-dimm.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)