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[Qemu-devel] [PULL 13/15] memory: MemoryRegion: Add size property
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 13/15] memory: MemoryRegion: Add size property |
Date: |
Tue, 1 Jul 2014 10:35:03 +0200 |
From: Peter Crosthwaite <address@hidden>
To allow devices to dynamically resize the device. The motivation is
to allow devices with variable size to init their memory_region
without size early and then correctly populate size at realize() time.
Signed-off-by: Peter Crosthwaite <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
memory.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/memory.c b/memory.c
index 834959b..64d7176 100644
--- a/memory.c
+++ b/memory.c
@@ -971,6 +971,15 @@ static bool memory_region_get_may_overlap(Object *obj,
Error **errp)
return mr->may_overlap;
}
+static void memory_region_get_size(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ MemoryRegion *mr = MEMORY_REGION(obj);
+ uint64_t value = memory_region_size(mr);
+
+ visit_type_uint64(v, &value, name, errp);
+}
+
static void memory_region_initfn(Object *obj)
{
MemoryRegion *mr = MEMORY_REGION(obj);
@@ -1002,6 +1011,10 @@ static void memory_region_initfn(Object *obj)
memory_region_get_may_overlap,
NULL, /* memory_region_set_may_overlap */
&error_abort);
+ object_property_add(OBJECT(mr), "size", "uint64",
+ memory_region_get_size,
+ NULL, /* memory_region_set_size, */
+ NULL, NULL, &error_abort);
}
static uint64_t unassigned_mem_read(void *opaque, hwaddr addr,
--
1.8.3.1
- [Qemu-devel] [PULL 05/15] qom: object: remove parent pointer when unparenting, (continued)
- [Qemu-devel] [PULL 05/15] qom: object: remove parent pointer when unparenting, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 02/15] qom: add a generic mechanism to resolve paths, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 06/15] qom: object: Ignore refs/unrefs of NULL, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 04/15] mc146818rtc: add "rtc-time" link to "/machine/rtc", Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 08/15] memory: MemoryRegion: use /machine as default owner, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 09/15] memory: MemoryRegion: QOMify, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 10/15] memory: MemoryRegion: replace owner field with QOM parent, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 07/15] libqtest: escape strings in QMP commands, fix leak, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 12/15] memory: MemoryRegion: Add may-overlap and priority props, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 11/15] memory: MemoryRegion: Add container and addr props, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 13/15] memory: MemoryRegion: Add size property,
Paolo Bonzini <=
- [Qemu-devel] [PULL 14/15] memory: do not give a name to the internal exec.c regions, Paolo Bonzini, 2014/07/01
- [Qemu-devel] [PULL 15/15] qdev: correctly send DEVICE_DELETED for recursively-deleted devices, Paolo Bonzini, 2014/07/01
- Re: [Qemu-devel] [PULL for 2.1 00/15] MemoryRegion QOMification, Peter Maydell, 2014/07/01