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[Qemu-devel] [PATCH qom-next for-next 1/6] ipack: Convert to QOM realize
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PATCH qom-next for-next 1/6] ipack: Convert to QOM realize |
Date: |
Fri, 2 Aug 2013 23:16:56 +0200 |
Signed-off-by: Andreas Färber <address@hidden>
---
hw/char/ipack.c | 40 ++++++++++++++++------------------------
hw/char/ipack.h | 5 ++---
hw/char/ipoctal232.c | 18 +++++++++++++-----
3 files changed, 31 insertions(+), 32 deletions(-)
diff --git a/hw/char/ipack.c b/hw/char/ipack.c
index f890471..a902fe4 100644
--- a/hw/char/ipack.c
+++ b/hw/char/ipack.c
@@ -33,37 +33,28 @@ void ipack_bus_new_inplace(IPackBus *bus, DeviceState
*parent,
bus->set_irq = handler;
}
-static int ipack_device_dev_init(DeviceState *qdev)
+static void ipack_device_realize(DeviceState *dev, Error **errp)
{
- IPackBus *bus = IPACK_BUS(qdev_get_parent_bus(qdev));
- IPackDevice *dev = IPACK_DEVICE(qdev);
- IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);
+ IPackDevice *idev = IPACK_DEVICE(dev);
+ IPackBus *bus = IPACK_BUS(qdev_get_parent_bus(dev));
- if (dev->slot < 0) {
- dev->slot = bus->free_slot;
+ if (idev->slot < 0) {
+ idev->slot = bus->free_slot;
}
- if (dev->slot >= bus->n_slots) {
- return -1;
+ if (idev->slot >= bus->n_slots) {
+ error_setg(errp, "Only %" PRIu8 " slots available.", bus->n_slots);
+ return;
}
- bus->free_slot = dev->slot + 1;
+ bus->free_slot = idev->slot + 1;
- dev->irq = qemu_allocate_irqs(bus->set_irq, dev, 2);
-
- return k->init(dev);
+ idev->irq = qemu_allocate_irqs(bus->set_irq, idev, 2);
}
-static int ipack_device_dev_exit(DeviceState *qdev)
+static void ipack_device_unrealize(DeviceState *dev, Error **errp)
{
- IPackDevice *dev = IPACK_DEVICE(qdev);
- IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);
-
- if (k->exit) {
- k->exit(dev);
- }
+ IPackDevice *idev = IPACK_DEVICE(dev);
- qemu_free_irqs(dev->irq);
-
- return 0;
+ qemu_free_irqs(idev->irq);
}
static Property ipack_device_props[] = {
@@ -74,10 +65,11 @@ static Property ipack_device_props[] = {
static void ipack_device_class_init(ObjectClass *klass, void *data)
{
DeviceClass *k = DEVICE_CLASS(klass);
+
set_bit(DEVICE_CATEGORY_INPUT, k->categories);
k->bus_type = TYPE_IPACK_BUS;
- k->init = ipack_device_dev_init;
- k->exit = ipack_device_dev_exit;
+ k->realize = ipack_device_realize;
+ k->unrealize = ipack_device_unrealize;
k->props = ipack_device_props;
}
diff --git a/hw/char/ipack.h b/hw/char/ipack.h
index f2b7a12..4286fc0 100644
--- a/hw/char/ipack.h
+++ b/hw/char/ipack.h
@@ -38,10 +38,9 @@ typedef struct IPackDeviceClass IPackDeviceClass;
OBJECT_GET_CLASS(IPackDeviceClass, (obj), TYPE_IPACK_DEVICE)
struct IPackDeviceClass {
+ /*< private >*/
DeviceClass parent_class;
-
- int (*init)(IPackDevice *dev);
- int (*exit)(IPackDevice *dev);
+ /*< public >*/
uint16_t (*io_read)(IPackDevice *dev, uint8_t addr);
void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
diff --git a/hw/char/ipoctal232.c b/hw/char/ipoctal232.c
index 88e2cca..80ebe7b 100644
--- a/hw/char/ipoctal232.c
+++ b/hw/char/ipoctal232.c
@@ -118,6 +118,8 @@ struct IPOctalState {
#define IPOCTAL(obj) \
OBJECT_CHECK(IPOctalState, (obj), TYPE_IPOCTAL)
+#define IPOCTAL_GET_PARENT_CLASS(obj) \
+ OBJECT_GET_PARENT_CLASS(obj, TYPE_IPOCTAL)
static const VMStateDescription vmstate_scc2698_channel = {
.name = "scc2698_channel",
@@ -534,11 +536,19 @@ static void hostdev_event(void *opaque, int event)
}
}
-static int ipoctal_init(IPackDevice *ip)
+static void ipoctal_realize(DeviceState *dev, Error **errp)
{
- IPOctalState *s = IPOCTAL(ip);
+ IPOctalState *s = IPOCTAL(dev);
+ DeviceClass *parent_dc = DEVICE_CLASS(IPOCTAL_GET_PARENT_CLASS(dev));
+ Error *err = NULL;
unsigned i;
+ parent_dc->realize(dev, &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
+
for (i = 0; i < N_CHANNELS; i++) {
SCC2698Channel *ch = &s->ch[i];
ch->ipoctal = s;
@@ -552,8 +562,6 @@ static int ipoctal_init(IPackDevice *ip)
DPRINTF("Could not redirect channel %u, no chardev set\n", i);
}
}
-
- return 0;
}
static Property ipoctal_properties[] = {
@@ -573,7 +581,6 @@ static void ipoctal_class_init(ObjectClass *klass, void
*data)
DeviceClass *dc = DEVICE_CLASS(klass);
IPackDeviceClass *ic = IPACK_DEVICE_CLASS(klass);
- ic->init = ipoctal_init;
ic->io_read = io_read;
ic->io_write = io_write;
ic->id_read = id_read;
@@ -585,6 +592,7 @@ static void ipoctal_class_init(ObjectClass *klass, void
*data)
ic->mem_read8 = mem_read8;
ic->mem_write8 = mem_write8;
+ dc->realize = ipoctal_realize;
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
dc->desc = "GE IP-Octal 232 8-channel RS-232 IndustryPack";
dc->props = ipoctal_properties;
--
1.8.1.4
- [Qemu-devel] [PATCH qom-next for-next 0/6] QOM realize for IndustryPack, Andreas Färber, 2013/08/02
- [Qemu-devel] [PATCH qom-next for-next 2/6] ipack: QOM parent field cleanup for IPackBus, Andreas Färber, 2013/08/02
- [Qemu-devel] [PATCH qom-next for-next 1/6] ipack: Convert to QOM realize,
Andreas Färber <=
- [Qemu-devel] [PATCH qom-next for-next 3/6] ipack: QOM parent field cleanup for IPackDevice, Andreas Färber, 2013/08/02
- [Qemu-devel] [PATCH qom-next for-next 6/6] ipack: Move IndustryPack out of hw/char/, Andreas Färber, 2013/08/02
- [Qemu-devel] [PATCH qom-next for-next 4/6] ipack: Simplify VMSTATE_IPACK_DEVICE() macro, Andreas Färber, 2013/08/02
- [Qemu-devel] [PATCH qom-next for-next 5/6] ipoctal232: QOM parent field cleanup, Andreas Färber, 2013/08/02
- Re: [Qemu-devel] [PATCH qom-next for-next 0/6] QOM realize for IndustryPack, Alberto Garcia, 2013/08/06