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-rw-r--r--memory.h26
1 files changed, 15 insertions, 11 deletions
diff --git a/memory.h b/memory.h
index 4cf8d2f27..b7bccd196 100644
--- a/memory.h
+++ b/memory.h
@@ -115,7 +115,6 @@ struct MemoryRegion {
MemoryRegion *parent;
Int128 size;
target_phys_addr_t addr;
- target_phys_addr_t offset;
void (*destructor)(MemoryRegion *mr);
ram_addr_t ram_addr;
IORange iorange;
@@ -161,6 +160,7 @@ typedef struct MemoryRegionSection MemoryRegionSection;
* @size: the size of the section; will not exceed @mr's boundaries
* @offset_within_address_space: the address of the first byte of the section
* relative to the region's address space
+ * @readonly: writes to this section are ignored
*/
struct MemoryRegionSection {
MemoryRegion *mr;
@@ -168,6 +168,7 @@ struct MemoryRegionSection {
target_phys_addr_t offset_within_region;
uint64_t size;
target_phys_addr_t offset_within_address_space;
+ bool readonly;
};
typedef struct MemoryListener MemoryListener;
@@ -179,14 +180,24 @@ typedef struct MemoryListener MemoryListener;
* Use with memory_listener_register() and memory_listener_unregister().
*/
struct MemoryListener {
+ void (*begin)(MemoryListener *listener);
+ void (*commit)(MemoryListener *listener);
void (*region_add)(MemoryListener *listener, MemoryRegionSection *section);
void (*region_del)(MemoryListener *listener, MemoryRegionSection *section);
+ void (*region_nop)(MemoryListener *listener, MemoryRegionSection *section);
void (*log_start)(MemoryListener *listener, MemoryRegionSection *section);
void (*log_stop)(MemoryListener *listener, MemoryRegionSection *section);
void (*log_sync)(MemoryListener *listener, MemoryRegionSection *section);
void (*log_global_start)(MemoryListener *listener);
void (*log_global_stop)(MemoryListener *listener);
- QLIST_ENTRY(MemoryListener) link;
+ void (*eventfd_add)(MemoryListener *listener, MemoryRegionSection *section,
+ bool match_data, uint64_t data, int fd);
+ void (*eventfd_del)(MemoryListener *listener, MemoryRegionSection *section,
+ bool match_data, uint64_t data, int fd);
+ /* Lower = earlier (during add), later (during del) */
+ unsigned priority;
+ MemoryRegion *address_space_filter;
+ QTAILQ_ENTRY(MemoryListener) link;
};
/**
@@ -359,14 +370,6 @@ bool memory_region_is_rom(MemoryRegion *mr);
void *memory_region_get_ram_ptr(MemoryRegion *mr);
/**
- * memory_region_set_offset: Sets an offset to be added to MemoryRegionOps
- * callbacks.
- *
- * This function is deprecated and should not be used in new code.
- */
-void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset);
-
-/**
* memory_region_set_log: Turn dirty logging on or off for a region.
*
* Turns dirty logging on or off for a specified client (display, migration).
@@ -686,8 +689,9 @@ void memory_region_transaction_commit(void);
* space
*
* @listener: an object containing the callbacks to be called
+ * @filter: if non-%NULL, only regions in this address space will be observed
*/
-void memory_listener_register(MemoryListener *listener);
+void memory_listener_register(MemoryListener *listener, MemoryRegion *filter);
/**
* memory_listener_unregister: undo the effect of memory_listener_register()