monitor: print hub port name during info network

[qemu.git] / memory.c

diff --git a/memory.c b/memory.c
index 031ff516ae86364f84d98855996b7e1c6fb54b2a..c343bf37dff321b90c650266b946961b0abefc3a 100644 (file)
--- a/memory.c
+++ b/memory.c
@@ -56,8 +56,7 @@ static void memory_init(void)
 typedef struct AddrRange AddrRange;
 
 /*
- * Note using signed integers limits us to physical addresses at most
- * 63 bits wide.  They are needed for negative offsetting in aliases
+ * Note that signed integers are needed for negative offsetting in aliases
  * (large MemoryRegion::alias_offset).
  */
 struct AddrRange {
@@ -877,30 +876,6 @@ static char *memory_region_escape_name(const char *name)
     return escaped;
 }
 
-static void object_property_add_child_array(Object *owner,
-                                            const char *name,
-                                            Object *child)
-{
-    int i;
-    char *base_name = memory_region_escape_name(name);
-
-    for (i = 0; ; i++) {
-        char *full_name = g_strdup_printf("%s[%d]", base_name, i);
-        Error *local_err = NULL;
-
-        object_property_add_child(owner, full_name, child, &local_err);
-        g_free(full_name);
-        if (!local_err) {
-            break;
-        }
-
-        error_free(local_err);
-    }
-
-    g_free(base_name);
-}
-        
-
 void memory_region_init(MemoryRegion *mr,
                         Object *owner,
                         const char *name,
@@ -915,10 +890,15 @@ void memory_region_init(MemoryRegion *mr,
     if (size == UINT64_MAX) {
         mr->size = int128_2_64();
     }
+    mr->name = g_strdup(name);
 
     if (name) {
-        object_property_add_child_array(owner, name, OBJECT(mr));
+        char *escaped_name = memory_region_escape_name(name);
+        char *name_array = g_strdup_printf("%s[*]", escaped_name);
+        object_property_add_child(owner, name_array, OBJECT(mr), &error_abort);
         object_unref(OBJECT(mr));
+        g_free(name_array);
+        g_free(escaped_name);
     }
 }
 
@@ -1162,13 +1142,31 @@ void memory_region_init_io(MemoryRegion *mr,
 void memory_region_init_ram(MemoryRegion *mr,
                             Object *owner,
                             const char *name,
-                            uint64_t size)
+                            uint64_t size,
+                            Error **errp)
+{
+    memory_region_init(mr, owner, name, size);
+    mr->ram = true;
+    mr->terminates = true;
+    mr->destructor = memory_region_destructor_ram;
+    mr->ram_addr = qemu_ram_alloc(size, mr, errp);
+}
+
+void memory_region_init_resizeable_ram(MemoryRegion *mr,
+                                       Object *owner,
+                                       const char *name,
+                                       uint64_t size,
+                                       uint64_t max_size,
+                                       void (*resized)(const char*,
+                                                       uint64_t length,
+                                                       void *host),
+                                       Error **errp)
 {
     memory_region_init(mr, owner, name, size);
     mr->ram = true;
     mr->terminates = true;
     mr->destructor = memory_region_destructor_ram;
-    mr->ram_addr = qemu_ram_alloc(size, mr);
+    mr->ram_addr = qemu_ram_alloc_resizeable(size, max_size, resized, mr, errp);
 }
 
 #ifdef __linux__
@@ -1198,7 +1196,15 @@ void memory_region_init_ram_ptr(MemoryRegion *mr,
     mr->ram = true;
     mr->terminates = true;
     mr->destructor = memory_region_destructor_ram_from_ptr;
-    mr->ram_addr = qemu_ram_alloc_from_ptr(size, ptr, mr);
+
+    /* qemu_ram_alloc_from_ptr cannot fail with ptr != NULL.  */
+    assert(ptr != NULL);
+    mr->ram_addr = qemu_ram_alloc_from_ptr(size, ptr, mr, &error_abort);
+}
+
+void memory_region_set_skip_dump(MemoryRegion *mr)
+{
+    mr->skip_dump = true;
 }
 
 void memory_region_init_alias(MemoryRegion *mr,
@@ -1220,7 +1226,8 @@ void memory_region_init_rom_device(MemoryRegion *mr,
                                    const MemoryRegionOps *ops,
                                    void *opaque,
                                    const char *name,
-                                   uint64_t size)
+                                   uint64_t size,
+                                   Error **errp)
 {
     memory_region_init(mr, owner, name, size);
     mr->ops = ops;
@@ -1228,7 +1235,7 @@ void memory_region_init_rom_device(MemoryRegion *mr,
     mr->terminates = true;
     mr->rom_device = true;
     mr->destructor = memory_region_destructor_rom_device;
-    mr->ram_addr = qemu_ram_alloc(size, mr);
+    mr->ram_addr = qemu_ram_alloc(size, mr, errp);
 }
 
 void memory_region_init_iommu(MemoryRegion *mr,
@@ -1259,6 +1266,7 @@ static void memory_region_finalize(Object *obj)
     assert(memory_region_transaction_depth == 0);
     mr->destructor(mr);
     memory_region_clear_coalescing(mr);
+    g_free((char *)mr->name);
     g_free(mr->ioeventfds);
 }
 
@@ -1308,7 +1316,11 @@ uint64_t memory_region_size(MemoryRegion *mr)
 
 const char *memory_region_name(const MemoryRegion *mr)
 {
-    return object_get_canonical_path_component(OBJECT(mr));
+    if (!mr->name) {
+        ((MemoryRegion *)mr)->name =
+            object_get_canonical_path_component(OBJECT(mr));
+    }
+    return mr->name;
 }
 
 bool memory_region_is_ram(MemoryRegion *mr)
@@ -1316,6 +1328,11 @@ bool memory_region_is_ram(MemoryRegion *mr)
     return mr->ram;
 }
 
+bool memory_region_is_skip_dump(MemoryRegion *mr)
+{
+    return mr->skip_dump;
+}
+
 bool memory_region_is_logging(MemoryRegion *mr)
 {
     return mr->dirty_log_mask;
@@ -1707,6 +1724,22 @@ void memory_region_set_enabled(MemoryRegion *mr, bool enabled)
     memory_region_transaction_commit();
 }
 
+void memory_region_set_size(MemoryRegion *mr, uint64_t size)
+{
+    Int128 s = int128_make64(size);
+
+    if (size == UINT64_MAX) {
+        s = int128_2_64();
+    }
+    if (int128_eq(s, mr->size)) {
+        return;
+    }
+    memory_region_transaction_begin();
+    mr->size = s;
+    memory_region_update_pending = true;
+    memory_region_transaction_commit();
+}
+
 static void memory_region_readd_subregion(MemoryRegion *mr)
 {
     MemoryRegion *container = mr->container;
@@ -1749,6 +1782,11 @@ ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr)
     return mr->ram_addr;
 }
 
+uint64_t memory_region_get_alignment(const MemoryRegion *mr)
+{
+    return mr->align;
+}
+
 static int cmp_flatrange_addr(const void *addr_, const void *fr_)
 {
     const AddrRange *addr = addr_;