#include "sysemu/sysemu.h"
#include "hw/misc/mmio_interface.h"
#include "hw/qdev-properties.h"
+#include "migration/vmstate.h"
//#define DEBUG_UNASSIGNED
return escaped;
}
-void memory_region_init(MemoryRegion *mr,
- Object *owner,
- const char *name,
- uint64_t size)
+static void memory_region_do_init(MemoryRegion *mr,
+ Object *owner,
+ const char *name,
+ uint64_t size)
{
- object_initialize(mr, sizeof(*mr), TYPE_MEMORY_REGION);
mr->size = int128_make64(size);
if (size == UINT64_MAX) {
mr->size = int128_2_64();
}
}
+void memory_region_init(MemoryRegion *mr,
+ Object *owner,
+ const char *name,
+ uint64_t size)
+{
+ object_initialize(mr, sizeof(*mr), TYPE_MEMORY_REGION);
+ memory_region_do_init(mr, owner, name, size);
+}
+
static void memory_region_get_addr(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
NULL, NULL, &error_abort);
}
+static void iommu_memory_region_initfn(Object *obj)
+{
+ MemoryRegion *mr = MEMORY_REGION(obj);
+
+ mr->is_iommu = true;
+}
+
static uint64_t unassigned_mem_read(void *opaque, hwaddr addr,
unsigned size)
{
mr->terminates = true;
}
-void memory_region_init_ram(MemoryRegion *mr,
- Object *owner,
- const char *name,
- uint64_t size,
- Error **errp)
+void memory_region_init_ram_nomigrate(MemoryRegion *mr,
+ Object *owner,
+ const char *name,
+ uint64_t size,
+ Error **errp)
{
memory_region_init(mr, owner, name, size);
mr->ram = true;
mr->alias_offset = offset;
}
-void memory_region_init_rom(MemoryRegion *mr,
- struct Object *owner,
- const char *name,
- uint64_t size,
- Error **errp)
+void memory_region_init_rom_nomigrate(MemoryRegion *mr,
+ struct Object *owner,
+ const char *name,
+ uint64_t size,
+ Error **errp)
{
memory_region_init(mr, owner, name, size);
mr->ram = true;
mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
}
-void memory_region_init_rom_device(MemoryRegion *mr,
- Object *owner,
- const MemoryRegionOps *ops,
- void *opaque,
- const char *name,
- uint64_t size,
- Error **errp)
+void memory_region_init_rom_device_nomigrate(MemoryRegion *mr,
+ Object *owner,
+ const MemoryRegionOps *ops,
+ void *opaque,
+ const char *name,
+ uint64_t size,
+ Error **errp)
{
assert(ops);
memory_region_init(mr, owner, name, size);
mr->ram_block = qemu_ram_alloc(size, mr, errp);
}
-void memory_region_init_iommu(MemoryRegion *mr,
+void memory_region_init_iommu(void *_iommu_mr,
+ size_t instance_size,
+ const char *mrtypename,
Object *owner,
- const MemoryRegionIOMMUOps *ops,
const char *name,
uint64_t size)
{
- memory_region_init(mr, owner, name, size);
- mr->iommu_ops = ops,
+ struct IOMMUMemoryRegion *iommu_mr;
+ struct MemoryRegion *mr;
+
+ object_initialize(_iommu_mr, instance_size, mrtypename);
+ mr = MEMORY_REGION(_iommu_mr);
+ memory_region_do_init(mr, owner, name, size);
+ iommu_mr = IOMMU_MEMORY_REGION(mr);
mr->terminates = true; /* then re-forwards */
- QLIST_INIT(&mr->iommu_notify);
- mr->iommu_notify_flags = IOMMU_NOTIFIER_NONE;
+ QLIST_INIT(&iommu_mr->iommu_notify);
+ iommu_mr->iommu_notify_flags = IOMMU_NOTIFIER_NONE;
}
static void memory_region_finalize(Object *obj)
return memory_region_get_dirty_log_mask(mr) & (1 << client);
}
-static void memory_region_update_iommu_notify_flags(MemoryRegion *mr)
+static void memory_region_update_iommu_notify_flags(IOMMUMemoryRegion *iommu_mr)
{
IOMMUNotifierFlag flags = IOMMU_NOTIFIER_NONE;
IOMMUNotifier *iommu_notifier;
+ IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_GET_CLASS(iommu_mr);
- IOMMU_NOTIFIER_FOREACH(iommu_notifier, mr) {
+ IOMMU_NOTIFIER_FOREACH(iommu_notifier, iommu_mr) {
flags |= iommu_notifier->notifier_flags;
}
- if (flags != mr->iommu_notify_flags &&
- mr->iommu_ops->notify_flag_changed) {
- mr->iommu_ops->notify_flag_changed(mr, mr->iommu_notify_flags,
- flags);
+ if (flags != iommu_mr->iommu_notify_flags && imrc->notify_flag_changed) {
+ imrc->notify_flag_changed(iommu_mr,
+ iommu_mr->iommu_notify_flags,
+ flags);
}
- mr->iommu_notify_flags = flags;
+ iommu_mr->iommu_notify_flags = flags;
}
void memory_region_register_iommu_notifier(MemoryRegion *mr,
IOMMUNotifier *n)
{
+ IOMMUMemoryRegion *iommu_mr;
+
if (mr->alias) {
memory_region_register_iommu_notifier(mr->alias, n);
return;
}
/* We need to register for at least one bitfield */
+ iommu_mr = IOMMU_MEMORY_REGION(mr);
assert(n->notifier_flags != IOMMU_NOTIFIER_NONE);
assert(n->start <= n->end);
- QLIST_INSERT_HEAD(&mr->iommu_notify, n, node);
- memory_region_update_iommu_notify_flags(mr);
+ QLIST_INSERT_HEAD(&iommu_mr->iommu_notify, n, node);
+ memory_region_update_iommu_notify_flags(iommu_mr);
}
-uint64_t memory_region_iommu_get_min_page_size(MemoryRegion *mr)
+uint64_t memory_region_iommu_get_min_page_size(IOMMUMemoryRegion *iommu_mr)
{
- assert(memory_region_is_iommu(mr));
- if (mr->iommu_ops && mr->iommu_ops->get_min_page_size) {
- return mr->iommu_ops->get_min_page_size(mr);
+ IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_GET_CLASS(iommu_mr);
+
+ if (imrc->get_min_page_size) {
+ return imrc->get_min_page_size(iommu_mr);
}
return TARGET_PAGE_SIZE;
}
-void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n)
+void memory_region_iommu_replay(IOMMUMemoryRegion *iommu_mr, IOMMUNotifier *n)
{
+ MemoryRegion *mr = MEMORY_REGION(iommu_mr);
+ IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_GET_CLASS(iommu_mr);
hwaddr addr, granularity;
IOMMUTLBEntry iotlb;
/* If the IOMMU has its own replay callback, override */
- if (mr->iommu_ops->replay) {
- mr->iommu_ops->replay(mr, n);
+ if (imrc->replay) {
+ imrc->replay(iommu_mr, n);
return;
}
- granularity = memory_region_iommu_get_min_page_size(mr);
+ granularity = memory_region_iommu_get_min_page_size(iommu_mr);
for (addr = 0; addr < memory_region_size(mr); addr += granularity) {
- iotlb = mr->iommu_ops->translate(mr, addr, IOMMU_NONE);
+ iotlb = imrc->translate(iommu_mr, addr, IOMMU_NONE);
if (iotlb.perm != IOMMU_NONE) {
n->notify(n, &iotlb);
}
}
}
-void memory_region_iommu_replay_all(MemoryRegion *mr)
+void memory_region_iommu_replay_all(IOMMUMemoryRegion *iommu_mr)
{
IOMMUNotifier *notifier;
- IOMMU_NOTIFIER_FOREACH(notifier, mr) {
- memory_region_iommu_replay(mr, notifier);
+ IOMMU_NOTIFIER_FOREACH(notifier, iommu_mr) {
+ memory_region_iommu_replay(iommu_mr, notifier);
}
}
void memory_region_unregister_iommu_notifier(MemoryRegion *mr,
IOMMUNotifier *n)
{
+ IOMMUMemoryRegion *iommu_mr;
+
if (mr->alias) {
memory_region_unregister_iommu_notifier(mr->alias, n);
return;
}
QLIST_REMOVE(n, node);
- memory_region_update_iommu_notify_flags(mr);
+ iommu_mr = IOMMU_MEMORY_REGION(mr);
+ memory_region_update_iommu_notify_flags(iommu_mr);
}
void memory_region_notify_one(IOMMUNotifier *notifier,
}
}
-void memory_region_notify_iommu(MemoryRegion *mr,
+void memory_region_notify_iommu(IOMMUMemoryRegion *iommu_mr,
IOMMUTLBEntry entry)
{
IOMMUNotifier *iommu_notifier;
- assert(memory_region_is_iommu(mr));
+ assert(memory_region_is_iommu(MEMORY_REGION(iommu_mr)));
- IOMMU_NOTIFIER_FOREACH(iommu_notifier, mr) {
+ IOMMU_NOTIFIER_FOREACH(iommu_notifier, iommu_mr) {
memory_region_notify_one(iommu_notifier, &entry);
}
}
}
}
+void memory_region_init_ram(MemoryRegion *mr,
+ struct Object *owner,
+ const char *name,
+ uint64_t size,
+ Error **errp)
+{
+ DeviceState *owner_dev;
+ Error *err = NULL;
+
+ memory_region_init_ram_nomigrate(mr, owner, name, size, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ /* This will assert if owner is neither NULL nor a DeviceState.
+ * We only want the owner here for the purposes of defining a
+ * unique name for migration. TODO: Ideally we should implement
+ * a naming scheme for Objects which are not DeviceStates, in
+ * which case we can relax this restriction.
+ */
+ owner_dev = DEVICE(owner);
+ vmstate_register_ram(mr, owner_dev);
+}
+
+void memory_region_init_rom(MemoryRegion *mr,
+ struct Object *owner,
+ const char *name,
+ uint64_t size,
+ Error **errp)
+{
+ DeviceState *owner_dev;
+ Error *err = NULL;
+
+ memory_region_init_rom_nomigrate(mr, owner, name, size, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ /* This will assert if owner is neither NULL nor a DeviceState.
+ * We only want the owner here for the purposes of defining a
+ * unique name for migration. TODO: Ideally we should implement
+ * a naming scheme for Objects which are not DeviceStates, in
+ * which case we can relax this restriction.
+ */
+ owner_dev = DEVICE(owner);
+ vmstate_register_ram(mr, owner_dev);
+}
+
+void memory_region_init_rom_device(MemoryRegion *mr,
+ struct Object *owner,
+ const MemoryRegionOps *ops,
+ void *opaque,
+ const char *name,
+ uint64_t size,
+ Error **errp)
+{
+ DeviceState *owner_dev;
+ Error *err = NULL;
+
+ memory_region_init_rom_device_nomigrate(mr, owner, ops, opaque,
+ name, size, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ /* This will assert if owner is neither NULL nor a DeviceState.
+ * We only want the owner here for the purposes of defining a
+ * unique name for migration. TODO: Ideally we should implement
+ * a naming scheme for Objects which are not DeviceStates, in
+ * which case we can relax this restriction.
+ */
+ owner_dev = DEVICE(owner);
+ vmstate_register_ram(mr, owner_dev);
+}
+
static const TypeInfo memory_region_info = {
.parent = TYPE_OBJECT,
.name = TYPE_MEMORY_REGION,
.instance_finalize = memory_region_finalize,
};
+static const TypeInfo iommu_memory_region_info = {
+ .parent = TYPE_MEMORY_REGION,
+ .name = TYPE_IOMMU_MEMORY_REGION,
+ .class_size = sizeof(IOMMUMemoryRegionClass),
+ .instance_size = sizeof(IOMMUMemoryRegion),
+ .instance_init = iommu_memory_region_initfn,
+ .abstract = true,
+};
+
static void memory_register_types(void)
{
type_register_static(&memory_region_info);
+ type_register_static(&iommu_memory_region_info);
}
type_init(memory_register_types)
projects / mirror_qemu.git / blobdiff