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-rw-r--r--hw/scsi/esp.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index c6166c5cc2..1a2d72ca19 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -578,8 +578,14 @@ const VMStateDescription vmstate_esp = {
}
};
+#define TYPE_ESP "esp"
+#define ESP(obj) OBJECT_CHECK(SysBusESPState, (obj), TYPE_ESP)
+
typedef struct {
- SysBusDevice busdev;
+ /*< private >*/
+ SysBusDevice parent_obj;
+ /*< public >*/
+
MemoryRegion iomem;
uint32_t it_shift;
ESPState esp;
@@ -623,8 +629,8 @@ void esp_init(hwaddr espaddr, int it_shift,
SysBusESPState *sysbus;
ESPState *esp;
- dev = qdev_create(NULL, "esp");
- sysbus = DO_UPCAST(SysBusESPState, busdev.qdev, dev);
+ dev = qdev_create(NULL, TYPE_ESP);
+ sysbus = ESP(dev);
esp = &sysbus->esp;
esp->dma_memory_read = dma_memory_read;
esp->dma_memory_write = dma_memory_write;
@@ -652,8 +658,7 @@ static const struct SCSIBusInfo esp_scsi_info = {
static void sysbus_esp_gpio_demux(void *opaque, int irq, int level)
{
- DeviceState *d = opaque;
- SysBusESPState *sysbus = container_of(d, SysBusESPState, busdev.qdev);
+ SysBusESPState *sysbus = ESP(opaque);
ESPState *s = &sysbus->esp;
switch (irq) {
@@ -668,7 +673,7 @@ static void sysbus_esp_gpio_demux(void *opaque, int irq, int level)
static int sysbus_esp_init(SysBusDevice *dev)
{
- SysBusESPState *sysbus = FROM_SYSBUS(SysBusESPState, dev);
+ SysBusESPState *sysbus = ESP(dev);
ESPState *s = &sysbus->esp;
sysbus_init_irq(dev, &s->irq);
@@ -687,7 +692,7 @@ static int sysbus_esp_init(SysBusDevice *dev)
static void sysbus_esp_hard_reset(DeviceState *dev)
{
- SysBusESPState *sysbus = DO_UPCAST(SysBusESPState, busdev.qdev, dev);
+ SysBusESPState *sysbus = ESP(dev);
esp_hard_reset(&sysbus->esp);
}
@@ -713,7 +718,7 @@ static void sysbus_esp_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo sysbus_esp_info = {
- .name = "esp",
+ .name = TYPE_ESP,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(SysBusESPState),
.class_init = sysbus_esp_class_init,