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[Qemu-devel] [PATCH v2 11/12] pc-dimm: Add memory hot unplug support for
From: |
Zhu Guihua |
Subject: |
[Qemu-devel] [PATCH v2 11/12] pc-dimm: Add memory hot unplug support for pc-dimm. |
Date: |
Wed, 4 Feb 2015 10:51:25 +0800 |
From: Tang Chen <address@hidden>
Implement unplug cb for pc-dimm. It remove the corresponding
memory region, and unregister vmstat. At last, it calls memory
unplug cb to reset memory status and do unparenting.
Signed-off-by: Zhu Guihua <address@hidden>
---
hw/i386/pc.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index ddc0190..4c03ee5 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1661,6 +1661,17 @@ out:
error_propagate(errp, local_err);
}
+static void pc_dimm_unplug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ PCMachineState *pcms = PC_MACHINE(hotplug_dev);
+ HotplugHandlerClass *hhc;
+ Error *local_err = NULL;
+
+ hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
+ hhc->unplug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
+}
+
static void pc_cpu_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
@@ -1714,8 +1725,13 @@ static void
pc_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev,
static void pc_machine_device_unplug_cb(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
- error_setg(errp, "acpi: device unplug for not supported device"
- " type: %s", object_get_typename(OBJECT(dev)));
+ if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
+ pc_dimm_unplug(hotplug_dev, dev, errp);
+ object_unparent(OBJECT(dev));
+ } else {
+ error_setg(errp, "acpi: device unplug for not supported device"
+ " type: %s", object_get_typename(OBJECT(dev)));
+ }
}
static HotplugHandler *pc_get_hotpug_handler(MachineState *machine,
--
1.9.3
- [Qemu-devel] [PATCH v2 09/12] acpi, piix4: Add memory hot unplug support for piix4., (continued)
- [Qemu-devel] [PATCH v2 09/12] acpi, piix4: Add memory hot unplug support for piix4., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 01/12] acpi, mem-hotplug: Use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb()., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 10/12] acpi, ich9: Add memory hot unplug support for ich9., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 05/12] acpi, piix4: Add memory hot unplug request support for piix4., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 03/12] acpi, mem-hotplug: Add acpi_memory_hotplug_sci() to rise sci for memory hotplug., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 12/12] acpi: Add hardware implementation for memory hot unplug., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 02/12] acpi, mem-hotplug: Add acpi_memory_slot_status() to get MemStatus., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 11/12] pc-dimm: Add memory hot unplug support for pc-dimm.,
Zhu Guihua <=
- [Qemu-devel] [PATCH v2 07/12] pc-dimm: Add memory hot unplug request support for pc-dimm., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 08/12] acpi, mem-hotplug: Add unplug cb for memory device., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 06/12] acpi, ich9: Add memory hot unplug request support for ich9., Zhu Guihua, 2015/02/03
- [Qemu-devel] [PATCH v2 04/12] acpi, mem-hotplug: Add unplug request cb for memory device., Zhu Guihua, 2015/02/03
- Re: [Qemu-devel] [PATCH v2 00/12] QEmu memory hot unplug support, Michael S. Tsirkin, 2015/02/04
- Re: [Qemu-devel] [PATCH v2 00/12] QEmu memory hot unplug support, Igor Mammedov, 2015/02/10