[Qemu-devel] [PULL v2 29/49] ipack: Convert to QOM realize

["Andreas Färber" <afaerber@suse.de>]

Acked-by: Alberto Garcia <agarcia@igalia.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 hw/char/ipack.c      | 41 ++++++++++++++++++++++-------------------
 hw/char/ipack.h      |  6 ++++--
 hw/char/ipoctal232.c |  8 +++-----
 3 files changed, 29 insertions(+), 26 deletions(-)

diff --git a/hw/char/ipack.c b/hw/char/ipack.c
index b7e45be..15cef7b 100644
--- a/hw/char/ipack.c
+++ b/hw/char/ipack.c
@@ -34,37 +34,39 @@ void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size,
     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);
+    IPackDevice *idev = IPACK_DEVICE(dev);
+    IPackBus *bus = IPACK_BUS(qdev_get_parent_bus(dev));
     IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(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);
+    idev->irq = qemu_allocate_irqs(bus->set_irq, idev, 2);
 
-    return k->init(dev);
+    k->realize(dev, errp);
 }
 
-static int ipack_device_dev_exit(DeviceState *qdev)
+static void ipack_device_unrealize(DeviceState *dev, Error **errp)
 {
-    IPackDevice *dev = IPACK_DEVICE(qdev);
+    IPackDevice *idev = IPACK_DEVICE(dev);
     IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);
+    Error *err = NULL;
 
-    if (k->exit) {
-        k->exit(dev);
+    if (k->unrealize) {
+        k->unrealize(dev, &err);
+        error_propagate(errp, err);
+        return;
     }
 
-    qemu_free_irqs(dev->irq);
-
-    return 0;
+    qemu_free_irqs(idev->irq);
 }
 
 static Property ipack_device_props[] = {
@@ -75,10 +77,11 @@ 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 f8dc0f2..b62066f 100644
--- a/hw/char/ipack.h
+++ b/hw/char/ipack.h
@@ -38,10 +38,12 @@ typedef struct IPackDeviceClass IPackDeviceClass;
      OBJECT_GET_CLASS(IPackDeviceClass, (obj), TYPE_IPACK_DEVICE)
 
 struct IPackDeviceClass {
+    /*< private >*/
     DeviceClass parent_class;
+    /*< public >*/
 
-    int (*init)(IPackDevice *dev);
-    int (*exit)(IPackDevice *dev);
+    DeviceRealize realize;
+    DeviceUnrealize unrealize;
 
     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..b33cfff 100644
--- a/hw/char/ipoctal232.c
+++ b/hw/char/ipoctal232.c
@@ -534,9 +534,9 @@ 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);
     unsigned i;
 
     for (i = 0; i < N_CHANNELS; i++) {
@@ -552,8 +552,6 @@ 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 +571,7 @@ 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->realize     = ipoctal_realize;
     ic->io_read     = io_read;
     ic->io_write    = io_write;
     ic->id_read     = id_read;
-- 
1.8.4.5