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[PATCH v4 13/14] qmp: Include "reserve" property of memory backends
From: |
David Hildenbrand |
Subject: |
[PATCH v4 13/14] qmp: Include "reserve" property of memory backends |
Date: |
Fri, 19 Mar 2021 11:12:29 +0100 |
Let's include the new property.
Cc: Eric Blake <eblake@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
hw/core/machine-qmp-cmds.c | 1 +
qapi/machine.json | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
index 68a942595a..bd2a7f2dd0 100644
--- a/hw/core/machine-qmp-cmds.c
+++ b/hw/core/machine-qmp-cmds.c
@@ -174,6 +174,7 @@ static int query_memdev(Object *obj, void *opaque)
m->merge = object_property_get_bool(obj, "merge", &error_abort);
m->dump = object_property_get_bool(obj, "dump", &error_abort);
m->prealloc = object_property_get_bool(obj, "prealloc", &error_abort);
+ m->reserve = object_property_get_bool(obj, "reserve", &error_abort);
m->policy = object_property_get_enum(obj, "policy", "HostMemPolicy",
&error_abort);
host_nodes = object_property_get_qobject(obj,
diff --git a/qapi/machine.json b/qapi/machine.json
index c0c52aef10..12860a1f79 100644
--- a/qapi/machine.json
+++ b/qapi/machine.json
@@ -814,6 +814,11 @@
#
# @prealloc: enables or disables memory preallocation
#
+# @reserve: enables or disables reservation of swap space (or huge pages
+# if applicable). If reservation is enabled (default), actual
+# reservation depends on underlying OS support. In contrast,
+# disabling reservation without OS support will bail out. (since 6.1)
+#
# @host-nodes: host nodes for its memory policy
#
# @policy: memory policy of memory backend
@@ -827,6 +832,7 @@
'merge': 'bool',
'dump': 'bool',
'prealloc': 'bool',
+ 'reserve': 'bool',
'host-nodes': ['uint16'],
'policy': 'HostMemPolicy' }}
--
2.29.2
- [PATCH v4 07/14] softmmu/memory: Pass ram_flags to qemu_ram_alloc_from_fd(), (continued)
- [PATCH v4 07/14] softmmu/memory: Pass ram_flags to qemu_ram_alloc_from_fd(), David Hildenbrand, 2021/03/19
- [PATCH v4 08/14] softmmu/memory: Pass ram_flags to memory_region_init_ram_shared_nomigrate(), David Hildenbrand, 2021/03/19
- [PATCH v4 09/14] util/mmap-alloc: Pass flags instead of separate bools to qemu_ram_mmap(), David Hildenbrand, 2021/03/19
- [PATCH v4 10/14] memory: Introduce RAM_NORESERVE and wire it up in qemu_ram_mmap(), David Hildenbrand, 2021/03/19
- [PATCH v4 11/14] util/mmap-alloc: Support RAM_NORESERVE via MAP_NORESERVE under Linux, David Hildenbrand, 2021/03/19
- [PATCH v4 12/14] hostmem: Wire up RAM_NORESERVE via "reserve" property, David Hildenbrand, 2021/03/19
- [PATCH v4 13/14] qmp: Include "reserve" property of memory backends,
David Hildenbrand <=
[PATCH v4 14/14] hmp: Print "reserve" property of memory backends with "info memdev", David Hildenbrand, 2021/03/19