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-rw-r--r--hw/i386/acpi-build.c2
-rw-r--r--hw/i386/pc.c84
-rw-r--r--hw/mem/pc-dimm.c84
3 files changed, 97 insertions, 73 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 00818b925b..aed811a166 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1509,7 +1509,7 @@ build_srat(GArray *table_data, GArray *linker, PcGuestInfo *guest_info)
*/
if (hotplugabble_address_space_size) {
numamem = acpi_data_push(table_data, sizeof *numamem);
- acpi_build_srat_memory(numamem, pcms->hotplug_memory_base,
+ acpi_build_srat_memory(numamem, pcms->hotplug_memory.base,
hotplugabble_address_space_size, 0,
MEM_AFFINITY_HOTPLUGGABLE |
MEM_AFFINITY_ENABLED);
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 7072930cfc..a66416d188 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -64,7 +64,6 @@
#include "hw/pci/pci_host.h"
#include "acpi-build.h"
#include "hw/mem/pc-dimm.h"
-#include "trace.h"
#include "qapi/visitor.h"
#include "qapi-visit.h"
@@ -1297,7 +1296,7 @@ FWCfgState *pc_memory_init(MachineState *machine,
exit(EXIT_FAILURE);
}
- pcms->hotplug_memory_base =
+ pcms->hotplug_memory.base =
ROUND_UP(0x100000000ULL + above_4g_mem_size, 1ULL << 30);
if (pcms->enforce_aligned_dimm) {
@@ -1305,17 +1304,17 @@ FWCfgState *pc_memory_init(MachineState *machine,
hotplug_mem_size += (1ULL << 30) * machine->ram_slots;
}
- if ((pcms->hotplug_memory_base + hotplug_mem_size) <
+ if ((pcms->hotplug_memory.base + hotplug_mem_size) <
hotplug_mem_size) {
error_report("unsupported amount of maximum memory: " RAM_ADDR_FMT,
machine->maxram_size);
exit(EXIT_FAILURE);
}
- memory_region_init(&pcms->hotplug_memory, OBJECT(pcms),
+ memory_region_init(&pcms->hotplug_memory.mr, OBJECT(pcms),
"hotplug-memory", hotplug_mem_size);
- memory_region_add_subregion(system_memory, pcms->hotplug_memory_base,
- &pcms->hotplug_memory);
+ memory_region_add_subregion(system_memory, pcms->hotplug_memory.base,
+ &pcms->hotplug_memory.mr);
}
/* Initialize PC system firmware */
@@ -1333,9 +1332,9 @@ FWCfgState *pc_memory_init(MachineState *machine,
fw_cfg = bochs_bios_init();
rom_set_fw(fw_cfg);
- if (guest_info->has_reserved_memory && pcms->hotplug_memory_base) {
+ if (guest_info->has_reserved_memory && pcms->hotplug_memory.base) {
uint64_t *val = g_malloc(sizeof(*val));
- *val = cpu_to_le64(ROUND_UP(pcms->hotplug_memory_base, 0x1ULL << 30));
+ *val = cpu_to_le64(ROUND_UP(pcms->hotplug_memory.base, 0x1ULL << 30));
fw_cfg_add_file(fw_cfg, "etc/reserved-memory-end", val, sizeof(*val));
}
@@ -1554,88 +1553,31 @@ void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name)
static void pc_dimm_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
- int slot;
HotplugHandlerClass *hhc;
Error *local_err = NULL;
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
- MachineState *machine = MACHINE(hotplug_dev);
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
MemoryRegion *mr = ddc->get_memory_region(dimm);
- uint64_t existing_dimms_capacity = 0;
uint64_t align = TARGET_PAGE_SIZE;
- uint64_t addr;
-
- addr = object_property_get_int(OBJECT(dimm), PC_DIMM_ADDR_PROP, &local_err);
- if (local_err) {
- goto out;
- }
if (memory_region_get_alignment(mr) && pcms->enforce_aligned_dimm) {
align = memory_region_get_alignment(mr);
}
- addr = pc_dimm_get_free_addr(pcms->hotplug_memory_base,
- memory_region_size(&pcms->hotplug_memory),
- !addr ? NULL : &addr, align,
- memory_region_size(mr), &local_err);
- if (local_err) {
- goto out;
- }
-
- existing_dimms_capacity = pc_existing_dimms_capacity(&local_err);
- if (local_err) {
- goto out;
- }
-
- if (existing_dimms_capacity + memory_region_size(mr) >
- machine->maxram_size - machine->ram_size) {
- error_setg(&local_err, "not enough space, currently 0x%" PRIx64
- " in use of total hot pluggable 0x" RAM_ADDR_FMT,
- existing_dimms_capacity,
- machine->maxram_size - machine->ram_size);
- goto out;
- }
-
- object_property_set_int(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;
- }
-
- 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;
- }
- trace_mhp_pc_dimm_assigned_slot(slot);
-
if (!pcms->acpi_dev) {
error_setg(&local_err,
"memory hotplug is not enabled: missing acpi device");
goto out;
}
- if (kvm_enabled() && !kvm_has_free_slot(machine)) {
- error_setg(&local_err, "hypervisor has no free memory slots left");
+ pc_dimm_memory_plug(dev, &pcms->hotplug_memory, mr, align, &local_err);
+ if (local_err) {
goto out;
}
- memory_region_add_subregion(&pcms->hotplug_memory,
- addr - pcms->hotplug_memory_base, mr);
- vmstate_register_ram(mr, dev);
-
hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
- hhc->plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
+ hhc->plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &error_abort);
out:
error_propagate(errp, local_err);
}
@@ -1677,9 +1619,7 @@ static void pc_dimm_unplug(HotplugHandler *hotplug_dev,
goto out;
}
- memory_region_del_subregion(&pcms->hotplug_memory, mr);
- vmstate_unregister_ram(mr, dev);
-
+ pc_dimm_memory_unplug(dev, &pcms->hotplug_memory, mr);
object_unparent(OBJECT(dev));
out:
@@ -1766,7 +1706,7 @@ pc_machine_get_hotplug_memory_region_size(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
- int64_t value = memory_region_size(&pcms->hotplug_memory);
+ int64_t value = memory_region_size(&pcms->hotplug_memory.mr);
visit_type_int(v, &value, name, errp);
}
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index e70633d29f..bb04862de8 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -23,12 +23,96 @@
#include "qapi/visitor.h"
#include "qemu/range.h"
#include "sysemu/numa.h"
+#include "sysemu/kvm.h"
+#include "trace.h"
typedef struct pc_dimms_capacity {
uint64_t size;
Error **errp;
} pc_dimms_capacity;
+void pc_dimm_memory_plug(DeviceState *dev, MemoryHotplugState *hpms,
+ MemoryRegion *mr, uint64_t align, Error **errp)
+{
+ int slot;
+ MachineState *machine = MACHINE(qdev_get_machine());
+ PCDIMMDevice *dimm = PC_DIMM(dev);
+ Error *local_err = NULL;
+ uint64_t existing_dimms_capacity = 0;
+ uint64_t addr;
+
+ addr = object_property_get_int(OBJECT(dimm), PC_DIMM_ADDR_PROP, &local_err);
+ if (local_err) {
+ goto out;
+ }
+
+ addr = pc_dimm_get_free_addr(hpms->base,
+ memory_region_size(&hpms->mr),
+ !addr ? NULL : &addr, align,
+ memory_region_size(mr), &local_err);
+ if (local_err) {
+ goto out;
+ }
+
+ existing_dimms_capacity = pc_existing_dimms_capacity(&local_err);
+ if (local_err) {
+ goto out;
+ }
+
+ if (existing_dimms_capacity + memory_region_size(mr) >
+ machine->maxram_size - machine->ram_size) {
+ error_setg(&local_err, "not enough space, currently 0x%" PRIx64
+ " in use of total hot pluggable 0x" RAM_ADDR_FMT,
+ existing_dimms_capacity,
+ machine->maxram_size - machine->ram_size);
+ goto out;
+ }
+
+ object_property_set_int(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;
+ }
+
+ 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;
+ }
+ trace_mhp_pc_dimm_assigned_slot(slot);
+
+ if (kvm_enabled() && !kvm_has_free_slot(machine)) {
+ error_setg(&local_err, "hypervisor has no free memory slots left");
+ goto out;
+ }
+
+ memory_region_add_subregion(&hpms->mr, addr - hpms->base, mr);
+ vmstate_register_ram(mr, dev);
+ numa_set_mem_node_id(addr, memory_region_size(mr), dimm->node);
+
+out:
+ error_propagate(errp, local_err);
+}
+
+void pc_dimm_memory_unplug(DeviceState *dev, MemoryHotplugState *hpms,
+ MemoryRegion *mr)
+{
+ PCDIMMDevice *dimm = PC_DIMM(dev);
+
+ numa_unset_mem_node_id(dimm->addr, memory_region_size(mr), dimm->node);
+ memory_region_del_subregion(&hpms->mr, mr);
+ vmstate_unregister_ram(mr, dev);
+}
+
static int pc_existing_dimms_capacity_internal(Object *obj, void *opaque)
{
pc_dimms_capacity *cap = opaque;
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-08 03:33:47 +0000