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memory: MemoryRegion: rename parent to container 

Avoid confusion with the QOM parent.

Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-06-11 11:18:09 +02:00
parent 67891b8a85
commit feca4ac18b
2 changed files with 30 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
include/exec/memory.h
View File

@ -135,7 +135,7 @@ struct MemoryRegion {
const MemoryRegionIOMMUOps *iommu_ops;
void *opaque;
struct Object *owner;
MemoryRegion *parent;
MemoryRegion *container;
Int128 size;
hwaddr addr;
void (*destructor)(MemoryRegion *mr);
@ -815,11 +815,11 @@ void memory_region_set_enabled(MemoryRegion *mr, bool enabled);
/*
* memory_region_set_address: dynamically update the address of a region
*
* Dynamically updates the address of a region, relative to its parent.
* Dynamically updates the address of a region, relative to its container.
* May be used on regions are currently part of a memory hierarchy.
*
* @mr: the region to be updated
* @addr: new address, relative to parent region
* @addr: new address, relative to container region
*/
void memory_region_set_address(MemoryRegion *mr, hwaddr addr);
@ -836,16 +836,16 @@ void memory_region_set_alias_offset(MemoryRegion *mr,
hwaddr offset);
/**
* memory_region_present: checks if an address relative to a @parent
* translates into #MemoryRegion within @parent
* memory_region_present: checks if an address relative to a @container
* translates into #MemoryRegion within @container
*
* Answer whether a #MemoryRegion within @parent covers the address
* Answer whether a #MemoryRegion within @container covers the address
* @addr.
*
* @parent: a #MemoryRegion within which @addr is a relative address
* @addr: the area within @parent to be searched
* @container: a #MemoryRegion within which @addr is a relative address
* @addr: the area within @container to be searched
*/
bool memory_region_present(MemoryRegion *parent, hwaddr addr);
bool memory_region_present(MemoryRegion *container, hwaddr addr);
/**
* memory_region_find: translate an address/size relative to a
@ -866,7 +866,7 @@ bool memory_region_present(MemoryRegion *parent, hwaddr addr);
* Similarly, the .@offset_within_address_space is relative to the
* address space that contains both regions, the passed and the
* returned one. However, in the special case where the @mr argument
* has no parent (and thus is the root of the address space), the
* has no container (and thus is the root of the address space), the
* following will hold:
* .@offset_within_address_space >= @addr
* .@offset_within_address_space + .@size <= @addr + @size

40
memory.c
View File

@ -485,8 +485,8 @@ static AddressSpace *memory_region_to_address_space(MemoryRegion *mr)
{
AddressSpace *as;
while (mr->parent) {
mr = mr->parent;
while (mr->container) {
mr = mr->container;
}
QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
if (mr == as->root) {
@ -850,7 +850,7 @@ void memory_region_init(MemoryRegion *mr,
mr->opaque = NULL;
mr->owner = owner;
mr->iommu_ops = NULL;
mr->parent = NULL;
mr->container = NULL;
mr->size = int128_make64(size);
if (size == UINT64_MAX) {
mr->size = int128_2_64();
@ -1423,10 +1423,10 @@ void memory_region_del_eventfd(MemoryRegion *mr,
memory_region_transaction_commit();
}
static void memory_region_update_parent_subregions(MemoryRegion *subregion)
static void memory_region_update_container_subregions(MemoryRegion *subregion)
{
hwaddr offset = subregion->addr;
MemoryRegion *mr = subregion->parent;
MemoryRegion *mr = subregion->container;
MemoryRegion *other;
memory_region_transaction_begin();
@ -1469,10 +1469,10 @@ static void memory_region_add_subregion_common(MemoryRegion *mr,
hwaddr offset,
MemoryRegion *subregion)
{
assert(!subregion->parent);
subregion->parent = mr;
assert(!subregion->container);
subregion->container = mr;
subregion->addr = offset;
memory_region_update_parent_subregions(subregion);
memory_region_update_container_subregions(subregion);
}
void memory_region_add_subregion(MemoryRegion *mr,
@ -1498,8 +1498,8 @@ void memory_region_del_subregion(MemoryRegion *mr,
MemoryRegion *subregion)
{
memory_region_transaction_begin();
assert(subregion->parent == mr);
subregion->parent = NULL;
assert(subregion->container == mr);
subregion->container = NULL;
QTAILQ_REMOVE(&mr->subregions, subregion, subregions_link);
memory_region_unref(subregion);
memory_region_update_pending |= mr->enabled && subregion->enabled;
@ -1519,14 +1519,14 @@ void memory_region_set_enabled(MemoryRegion *mr, bool enabled)
static void memory_region_readd_subregion(MemoryRegion *mr)
{
MemoryRegion *parent = mr->parent;
MemoryRegion *container = mr->container;
if (parent) {
if (container) {
memory_region_transaction_begin();
memory_region_ref(mr);
memory_region_del_subregion(parent, mr);
mr->parent = parent;
memory_region_update_parent_subregions(mr);
memory_region_del_subregion(container, mr);
mr->container = container;
memory_region_update_container_subregions(mr);
memory_region_unref(mr);
memory_region_transaction_commit();
}
@ -1578,10 +1578,10 @@ static FlatRange *flatview_lookup(FlatView *view, AddrRange addr)
sizeof(FlatRange), cmp_flatrange_addr);
}
bool memory_region_present(MemoryRegion *parent, hwaddr addr)
bool memory_region_present(MemoryRegion *container, hwaddr addr)
{
MemoryRegion *mr = memory_region_find(parent, addr, 1).mr;
if (!mr || (mr == parent)) {
MemoryRegion *mr = memory_region_find(container, addr, 1).mr;
if (!mr || (mr == container)) {
return false;
}
memory_region_unref(mr);
@ -1599,8 +1599,8 @@ MemoryRegionSection memory_region_find(MemoryRegion *mr,
FlatRange *fr;
addr += mr->addr;
for (root = mr; root->parent; ) {
root = root->parent;
for (root = mr; root->container; ) {
root = root->container;
addr += root->addr;
}