[RFC PATCH v2 11/21] Implement dimm_add and dimm_del hmp/qmp commands

[Vasilis Liaskovitis]

Hot-add hmp syntax: dimm_add dimmid
Hot-remove hmp syntax: dimm_del dimmid

Respective qmp commands are "dimm-add", "dimm-del".

Signed-off-by: Vasilis Liaskovitis 
---
 hmp-commands.hx |   32 ++++++++++++++++++++++++++++++++
 monitor.c       |   11 +++++++++++
 monitor.h       |    3 +++
 qmp-commands.hx |   39 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 85 insertions(+), 0 deletions(-)

diff --git a/hmp-commands.hx b/hmp-commands.hx
index f5d9d91..012c150 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -618,6 +618,38 @@ Add device.
 ETEXI

{
+        .name       = "dimm_del",
+        .args_type  = "id:s",
+        .params     = "id",
+        .help       = "hot-remove memory (dimm device)",
+        .user_print = monitor_user_noop,
+        .mhandler.cmd_new = do_dimm_del,
+    },
+
+STEXI
+@item dimm_del @var{config}
+@findex dimm_del
+
+Hot-remove dimm.
+ETEXI
+
+    {
+        .name       = "dimm_add",
+        .args_type  = "id:s",
+        .params     = "id",
+        .help       = "hot-add memory (dimm device)",
+        .user_print = monitor_user_noop,
+        .mhandler.cmd_new = do_dimm_add,
+    },
+
+STEXI
+@item dimm_add @var{config}
+@findex dimm_add
+
+Hot-add dimm.
+ETEXI
+
+    {
         .name       = "device_del",
         .args_type  = "id:s",
         .params     = "device",
diff --git a/monitor.c b/monitor.c
index f6107ba..d3d95a6 100644
--- a/monitor.c
+++ b/monitor.c
@@ -67,6 +67,7 @@
 #include "qmp-commands.h"
 #include "hmp.h"
 #include "qemu-thread.h"
+#include "hw/dimm.h"

/* for pic/irq_info */
 #if defined(TARGET_SPARC)
@@ -4813,3 +4814,13 @@ int monitor_read_block_device_key(Monitor *mon, const char *device,

return monitor_read_bdrv_key_start(mon, bs, completion_cb, opaque);
 }
+
+int do_dimm_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
+{
+    return dimm_do(mon, qdict, true);
+}
+
+int do_dimm_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
+{
+    return dimm_do(mon, qdict, false);
+}
diff --git a/monitor.h b/monitor.h
index 5f4de1b..afdd721 100644
--- a/monitor.h
+++ b/monitor.h
@@ -86,4 +86,7 @@ int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret);

int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret);

+int do_dimm_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
+int do_dimm_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
+
 #endif /* !MONITOR_H */
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 2e1a38e..7efd628 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -2209,3 +2209,42 @@ EQMP
         .args_type  = "implements:s?,abstract:b?",
         .mhandler.cmd_new = qmp_marshal_input_qom_list_types,
     },
+    {
+        .name       = "dimm-add",
+        .args_type  = "id:s",
+        .mhandler.cmd_new = do_dimm_add,
+    },
+SQMP
+dimm-add
+-------------
+
+Hot-add memory DIMM
+
+Will hotplug memory DIMMs with given id.
+
+Example:
+
+-> { "execute": "dimm-add", "arguments": { "id": "dimm0" } }
+<- { "return": {} }
+
+EQMP
+
+    {
+        .name       = "dimm-del",
+        .args_type  = "id:s",
+        .mhandler.cmd_new = do_dimm_del,
+    },
+SQMP
+dimm-del
+-------------
+
+Hot-remove memory DIMM
+
+Will hot-unplug memory DIMMs with given id.
+
+Example:
+
+-> { "execute": "dimm-del", "arguments": { "id": "dimm0" } }
+<- { "return": {} }
+
+EQMP