#include "sysemu/numa.h"
#include "trace.h"
-typedef struct pc_dimms_capacity {
- uint64_t size;
- Error **errp;
-} pc_dimms_capacity;
+static int pc_dimm_get_free_slot(const int *hint, int max_slots, Error **errp);
-void pc_dimm_memory_plug(DeviceState *dev, MachineState *machine,
- uint64_t align, Error **errp)
+void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine,
+ const uint64_t *legacy_align, Error **errp)
{
- int slot;
- MemoryHotplugState *hpms = machine->device_memory;
- PCDIMMDevice *dimm = PC_DIMM(dev);
- PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
- MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm);
Error *local_err = NULL;
- MemoryRegion *mr;
- uint64_t addr;
-
- mr = ddc->get_memory_region(dimm, &local_err);
- if (local_err) {
- goto out;
- }
-
- addr = object_property_get_uint(OBJECT(dimm),
- PC_DIMM_ADDR_PROP, &local_err);
- if (local_err) {
- goto out;
- }
-
- addr = memory_device_get_free_addr(machine, !addr ? NULL : &addr, align,
- memory_region_size(mr), &local_err);
- if (local_err) {
- goto out;
- }
-
- object_property_set_uint(OBJECT(dev), addr, PC_DIMM_ADDR_PROP, &local_err);
- if (local_err) {
- goto out;
- }
- trace_mhp_pc_dimm_assigned_address(addr);
-
- slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, &local_err);
- if (local_err) {
- goto out;
- }
+ int slot;
+ slot = object_property_get_int(OBJECT(dimm), PC_DIMM_SLOT_PROP,
+ &error_abort);
slot = pc_dimm_get_free_slot(slot == PC_DIMM_UNASSIGNED_SLOT ? NULL : &slot,
machine->ram_slots, &local_err);
if (local_err) {
goto out;
}
- object_property_set_int(OBJECT(dev), slot, PC_DIMM_SLOT_PROP, &local_err);
- if (local_err) {
- goto out;
- }
+ object_property_set_int(OBJECT(dimm), slot, PC_DIMM_SLOT_PROP,
+ &error_abort);
trace_mhp_pc_dimm_assigned_slot(slot);
- memory_region_add_subregion(&hpms->mr, addr - hpms->base, mr);
- vmstate_register_ram(vmstate_mr, dev);
-
+ memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, legacy_align,
+ &local_err);
out:
error_propagate(errp, local_err);
}
-void pc_dimm_memory_unplug(DeviceState *dev, MachineState *machine)
+void pc_dimm_plug(PCDIMMDevice *dimm, MachineState *machine, Error **errp)
+{
+ PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
+ MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm,
+ &error_abort);
+
+ memory_device_plug(MEMORY_DEVICE(dimm), machine);
+ vmstate_register_ram(vmstate_mr, DEVICE(dimm));
+}
+
+void pc_dimm_unplug(PCDIMMDevice *dimm, MachineState *machine)
{
- PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
- MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm);
- MemoryRegion *mr = ddc->get_memory_region(dimm, &error_abort);
+ MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm,
+ &error_abort);
- memory_region_del_subregion(&machine->device_memory->mr, mr);
- vmstate_unregister_ram(vmstate_mr, dev);
+ memory_device_unplug(MEMORY_DEVICE(dimm), machine);
+ vmstate_unregister_ram(vmstate_mr, DEVICE(dimm));
}
static int pc_dimm_slot2bitmap(Object *obj, void *opaque)
return 0;
}
-int pc_dimm_get_free_slot(const int *hint, int max_slots, Error **errp)
+static int pc_dimm_get_free_slot(const int *hint, int max_slots, Error **errp)
{
- unsigned long *bitmap = bitmap_new(max_slots);
+ unsigned long *bitmap;
int slot = 0;
+ if (max_slots <= 0) {
+ error_setg(errp, "no slots where allocated, please specify "
+ "the 'slots' option");
+ return slot;
+ }
+
+ bitmap = bitmap_new(max_slots);
object_child_foreach(qdev_get_machine(), pc_dimm_slot2bitmap, bitmap);
/* check if requested slot is not occupied */
static void pc_dimm_get_size(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
+ Error *local_err = NULL;
uint64_t value;
- MemoryRegion *mr;
- PCDIMMDevice *dimm = PC_DIMM(obj);
- PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(obj);
- mr = ddc->get_memory_region(dimm, errp);
- if (!mr) {
+ value = memory_device_get_region_size(MEMORY_DEVICE(obj), &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
return;
}
- value = memory_region_size(mr);
visit_type_uint64(v, name, &value, errp);
}
return NULL;
}
- return host_memory_backend_get_memory(dimm->hostmem, errp);
-}
-
-static MemoryRegion *pc_dimm_get_vmstate_memory_region(PCDIMMDevice *dimm)
-{
- return host_memory_backend_get_memory(dimm->hostmem, &error_abort);
+ return host_memory_backend_get_memory(dimm->hostmem);
}
static uint64_t pc_dimm_md_get_addr(const MemoryDeviceState *md)
return dimm->addr;
}
-static uint64_t pc_dimm_md_get_region_size(const MemoryDeviceState *md)
+static void pc_dimm_md_set_addr(MemoryDeviceState *md, uint64_t addr,
+ Error **errp)
{
- /* dropping const here is fine as we don't touch the memory region */
- PCDIMMDevice *dimm = PC_DIMM(md);
- const PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(md);
- MemoryRegion *mr;
-
- mr = ddc->get_memory_region(dimm, &error_abort);
- if (!mr) {
- return 0;
- }
+ object_property_set_uint(OBJECT(md), addr, PC_DIMM_ADDR_PROP, errp);
+}
- return memory_region_size(mr);
+static MemoryRegion *pc_dimm_md_get_memory_region(MemoryDeviceState *md,
+ Error **errp)
+{
+ return pc_dimm_get_memory_region(PC_DIMM(md), errp);
}
static void pc_dimm_md_fill_device_info(const MemoryDeviceState *md,
dc->props = pc_dimm_properties;
dc->desc = "DIMM memory module";
- ddc->get_memory_region = pc_dimm_get_memory_region;
- ddc->get_vmstate_memory_region = pc_dimm_get_vmstate_memory_region;
+ 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;
/* for a dimm plugged_size == region_size */
- mdc->get_plugged_size = pc_dimm_md_get_region_size;
- mdc->get_region_size = pc_dimm_md_get_region_size;
+ mdc->get_plugged_size = memory_device_get_region_size;
+ mdc->get_memory_region = pc_dimm_md_get_memory_region;
mdc->fill_device_info = pc_dimm_md_fill_device_info;
}
projects / mirror_qemu.git / blobdiff