From: Igor Mammedov <imammedo@redhat.com>
To: qemu-devel@nongnu.org
Cc: marcel.a@redhat.com, mst@redhat.com,
vasilis.liaskovitis@profitbricks.com, aliguori@amazon.com,
pbonzini@redhat.com, afaerber@suse.de
Subject: [Qemu-devel] [RFC 8/8] pc: make PC_MACHINE memory hotplug controller
Date: Thu, 20 Mar 2014 16:01:16 +0100 [thread overview]
Message-ID: <1395327676-29753-9-git-send-email-imammedo@redhat.com> (raw)
In-Reply-To: <1395327676-29753-1-git-send-email-imammedo@redhat.com>
that performs mapping of DIMM into guest's address space
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
hw/i386/pc.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 1824c3d..1cef30d 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1445,6 +1445,17 @@ void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name)
}
}
+static void pc_machine_device_plug_cb(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
+{
+ DimmDevice *dimm = DIMM(dev);
+ DimmDeviceClass *ddc = DIMM_GET_CLASS(dimm);
+ PCMachineState *pcms = PC_MACHINE(hotplug_dev);
+ MemoryRegion *mr = ddc->get_memory_region(dimm);
+
+ memory_region_add_subregion(&pcms->hotplug_memory, dimm->start, mr);
+}
+
void qemu_register_pc_machine(QEMUMachine *m)
{
TypeInfo ti = {
@@ -1467,9 +1478,12 @@ static char *pc_dimm_hotplug_path(DeviceState *dev)
static void pc_machine_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dimm_dc = DEVICE_CLASS(object_class_by_name(TYPE_DIMM));
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
/* set board specific link path provider for DIMM device */
dimm_dc->hotplug_path = pc_dimm_hotplug_path;
+
+ hc->plug = pc_machine_device_plug_cb;
}
static const TypeInfo pc_machine_info = {
@@ -1478,6 +1492,10 @@ static const TypeInfo pc_machine_info = {
.abstract = true,
.instance_size = sizeof(PCMachineState),
.class_init = pc_machine_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ },
};
static void pc_machine_register_types(void)
--
1.7.1
prev parent reply other threads:[~2014-03-20 15:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-20 15:01 [Qemu-devel] [RFC 0/8] bus-less device hotplug Igor Mammedov
2014-03-20 15:01 ` [Qemu-devel] [RFC 1/8] vl.c: extend -m option to support options for memory hotplug Igor Mammedov
2014-03-20 15:01 ` [Qemu-devel] [RFC 2/8] make machine_class_init() accessible outside of vl.c Igor Mammedov
2014-03-23 15:27 ` Marcel Apfelbaum
2014-03-23 16:22 ` Marcel Apfelbaum
2014-03-20 15:01 ` [Qemu-devel] [RFC 3/8] pc: prepare PC for custom machine state Igor Mammedov
2014-03-23 15:13 ` Marcel Apfelbaum
2014-03-24 10:34 ` Igor Mammedov
2014-03-24 12:28 ` Marcel Apfelbaum
2014-03-24 10:52 ` Andreas Färber
2014-03-24 11:20 ` Michael S. Tsirkin
2014-03-24 11:57 ` Andreas Färber
2014-03-24 12:13 ` Marcel Apfelbaum
2014-03-20 15:01 ` [Qemu-devel] [RFC 4/8] qdev: link based hotplug Igor Mammedov
2014-03-20 16:12 ` Paolo Bonzini
2014-03-20 16:20 ` Igor Mammedov
2014-03-20 18:03 ` Paolo Bonzini
2014-03-21 10:35 ` Igor Mammedov
2014-03-21 11:45 ` Paolo Bonzini
2014-03-24 9:10 ` Igor Mammedov
2014-03-24 12:20 ` Andreas Färber
2014-03-24 13:12 ` Michael S. Tsirkin
2014-03-20 15:01 ` [Qemu-devel] [RFC 5/8] dimm: implement dimm device abstraction Igor Mammedov
2014-03-20 15:01 ` [Qemu-devel] [RFC 6/8] pc: preallocate hotplug links for DIMMDevices Igor Mammedov
2014-03-20 15:01 ` [Qemu-devel] [RFC 7/8] pc: initialize memory hotplug address space Igor Mammedov
2014-03-20 15:01 ` Igor Mammedov [this message]
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