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[Qemu-devel] [PATCH 2/6] qdev: introduce reset call back for qbus level.
From: |
Isaku Yamahata |
Subject: |
[Qemu-devel] [PATCH 2/6] qdev: introduce reset call back for qbus level. |
Date: |
Thu, 2 Sep 2010 18:25:05 +0900 |
and make it called via qbus_reset_all().
The qbus reset callback will be used by pci bus reset.
Signed-off-by: Isaku Yamahata <address@hidden>
---
hw/qdev-core.h | 3 +++
hw/qdev.c | 10 +++++++++-
2 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/hw/qdev-core.h b/hw/qdev-core.h
index a9b7692..49ac87a 100644
--- a/hw/qdev-core.h
+++ b/hw/qdev-core.h
@@ -58,12 +58,15 @@ typedef int (qbus_del_devfn)(BusState *bus, DeviceState
*dev);
typedef void (qbus_realizefn)(BusState *bus);
+typedef int (qbus_resetfn)(BusState *bus);
+
struct BusInfo {
const char *name;
size_t size;
qbus_add_devfn *add_dev;
qbus_del_devfn *del_dev;
qbus_realizefn *realize;
+ qbus_resetfn *reset;
bus_get_dev_path get_dev_path;
Property *props;
};
diff --git a/hw/qdev.c b/hw/qdev.c
index c1ba6b8..9300d7f 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -166,9 +166,17 @@ static int qdev_reset_one(DeviceState *dev, void *opaque)
return 0;
}
+static int qbus_reset_one(BusState *bus, void *opaque)
+{
+ if (bus->info->reset) {
+ return bus->info->reset(bus);
+ }
+ return 0;
+}
+
void qbus_reset_all(BusState *bus)
{
- qbus_walk_children(bus, qdev_reset_one, NULL, NULL);
+ qbus_walk_children(bus, qdev_reset_one, qbus_reset_one, NULL);
}
static int qdev_realize_one(DeviceState *dev, void *opaque)
--
1.7.1.1
- [Qemu-devel] [PATCH 0/6 v3] introduce qbus reset callback and pci bus reset clean up, Isaku Yamahata, 2010/09/02
- [Qemu-devel] [PATCH 6/6] pci bridge: implement secondary bus reset., Isaku Yamahata, 2010/09/02
- [Qemu-devel] [PATCH 5/6] pci: teach pci devices that have reset callback how to reset common registers., Isaku Yamahata, 2010/09/02
- [Qemu-devel] [PATCH 3/6] qdev: introduce a helper function which triggers reset from a given device., Isaku Yamahata, 2010/09/02
- [Qemu-devel] [PATCH 2/6] qdev: introduce reset call back for qbus level.,
Isaku Yamahata <=
- [Qemu-devel] [PATCH 4/6] pci: make pci reset use qdev reset frame work., Isaku Yamahata, 2010/09/02
- [Qemu-devel] [PATCH 1/6] qdev: Make qbus_walk_children() call busfn for root bus., Isaku Yamahata, 2010/09/02
- [Qemu-devel] Re: [PATCH 0/6 v3] introduce qbus reset callback and pci bus reset clean up, Anthony Liguori, 2010/09/02