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-rw-r--r--hw/acpi_piix4.c10
-rw-r--r--hw/i2c.c5
-rw-r--r--hw/intel-hda.c15
-rw-r--r--hw/lsi53c895a.c5
-rw-r--r--hw/qdev-monitor.c26
-rw-r--r--hw/qdev.c64
-rw-r--r--hw/qdev.h10
-rw-r--r--hw/s390-virtio-bus.c25
-rw-r--r--hw/scsi-bus.c13
-rw-r--r--hw/spapr_pci.c7
-rw-r--r--hw/spapr_vio.c25
-rw-r--r--hw/spapr_vty.c6
-rw-r--r--hw/ssi.c14
-rw-r--r--hw/virtio-scsi.c6
14 files changed, 150 insertions, 81 deletions
diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c
index 0345490ee0..a11c8e7ae0 100644
--- a/hw/acpi_piix4.c
+++ b/hw/acpi_piix4.c
@@ -284,7 +284,7 @@ static const VMStateDescription vmstate_acpi = {
static void acpi_piix_eject_slot(PIIX4PMState *s, unsigned slots)
{
- DeviceState *qdev, *next;
+ BusChild *kid, *next;
BusState *bus = qdev_get_parent_bus(&s->dev.qdev);
int slot = ffs(slots) - 1;
bool slot_free = true;
@@ -292,7 +292,8 @@ static void acpi_piix_eject_slot(PIIX4PMState *s, unsigned slots)
/* Mark request as complete */
s->pci0_status.down &= ~(1U << slot);
- QTAILQ_FOREACH_SAFE(qdev, &bus->children, sibling, next) {
+ QTAILQ_FOREACH_SAFE(kid, &bus->children, sibling, next) {
+ DeviceState *qdev = kid->child;
PCIDevice *dev = PCI_DEVICE(qdev);
PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
if (PCI_SLOT(dev->devfn) == slot) {
@@ -313,7 +314,7 @@ static void piix4_update_hotplug(PIIX4PMState *s)
{
PCIDevice *dev = &s->dev;
BusState *bus = qdev_get_parent_bus(&dev->qdev);
- DeviceState *qdev, *next;
+ BusChild *kid, *next;
/* Execute any pending removes during reset */
while (s->pci0_status.down) {
@@ -323,7 +324,8 @@ static void piix4_update_hotplug(PIIX4PMState *s)
s->pci0_hotplug_enable = ~0;
s->pci0_slot_device_present = 0;
- QTAILQ_FOREACH_SAFE(qdev, &bus->children, sibling, next) {
+ QTAILQ_FOREACH_SAFE(kid, &bus->children, sibling, next) {
+ DeviceState *qdev = kid->child;
PCIDevice *pdev = PCI_DEVICE(qdev);
PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(pdev);
int slot = PCI_SLOT(pdev->devfn);
diff --git a/hw/i2c.c b/hw/i2c.c
index 319b249da3..296bece119 100644
--- a/hw/i2c.c
+++ b/hw/i2c.c
@@ -86,11 +86,12 @@ int i2c_bus_busy(i2c_bus *bus)
/* TODO: Make this handle multiple masters. */
int i2c_start_transfer(i2c_bus *bus, uint8_t address, int recv)
{
- DeviceState *qdev;
+ BusChild *kid;
I2CSlave *slave = NULL;
I2CSlaveClass *sc;
- QTAILQ_FOREACH(qdev, &bus->qbus.children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
+ DeviceState *qdev = kid->child;
I2CSlave *candidate = I2C_SLAVE_FROM_QDEV(qdev);
if (candidate->address == address) {
slave = candidate;
diff --git a/hw/intel-hda.c b/hw/intel-hda.c
index e343096534..c11fd30cab 100644
--- a/hw/intel-hda.c
+++ b/hw/intel-hda.c
@@ -78,10 +78,11 @@ static int hda_codec_dev_exit(DeviceState *qdev)
HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
{
- DeviceState *qdev;
+ BusChild *kid;
HDACodecDevice *cdev;
- QTAILQ_FOREACH(qdev, &bus->qbus.children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
+ DeviceState *qdev = kid->child;
cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
if (cdev->cad == cad) {
return cdev;
@@ -483,10 +484,11 @@ static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output)
{
- DeviceState *qdev;
+ BusChild *kid;
HDACodecDevice *cdev;
- QTAILQ_FOREACH(qdev, &d->codecs.qbus.children, sibling) {
+ QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
+ DeviceState *qdev = kid->child;
HDACodecDeviceClass *cdc;
cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
@@ -1105,15 +1107,16 @@ static const MemoryRegionOps intel_hda_mmio_ops = {
static void intel_hda_reset(DeviceState *dev)
{
+ BusChild *kid;
IntelHDAState *d = DO_UPCAST(IntelHDAState, pci.qdev, dev);
- DeviceState *qdev;
HDACodecDevice *cdev;
intel_hda_regs_reset(d);
d->wall_base_ns = qemu_get_clock_ns(vm_clock);
/* reset codecs */
- QTAILQ_FOREACH(qdev, &d->codecs.qbus.children, sibling) {
+ QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
+ DeviceState *qdev = kid->child;
cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
device_reset(DEVICE(cdev));
d->state_sts |= (1 << cdev->cad);
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index f022a02447..2fe141d24e 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -1677,9 +1677,10 @@ static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val)
}
if (val & LSI_SCNTL1_RST) {
if (!(s->sstat0 & LSI_SSTAT0_RST)) {
- DeviceState *dev;
+ BusChild *kid;
- QTAILQ_FOREACH(dev, &s->bus.qbus.children, sibling) {
+ QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) {
+ DeviceState *dev = kid->child;
device_reset(dev);
}
s->sstat0 |= LSI_SSTAT0_RST;
diff --git a/hw/qdev-monitor.c b/hw/qdev-monitor.c
index 691b864c54..17452c8c01 100644
--- a/hw/qdev-monitor.c
+++ b/hw/qdev-monitor.c
@@ -205,11 +205,12 @@ static void qbus_list_bus(DeviceState *dev)
static void qbus_list_dev(BusState *bus)
{
- DeviceState *dev;
+ BusChild *kid;
const char *sep = " ";
error_printf("devices at \"%s\":", bus->name);
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
error_printf("%s\"%s\"", sep, object_get_typename(OBJECT(dev)));
if (dev->id)
error_printf("/\"%s\"", dev->id);
@@ -232,7 +233,7 @@ static BusState *qbus_find_bus(DeviceState *dev, char *elem)
static DeviceState *qbus_find_dev(BusState *bus, char *elem)
{
- DeviceState *dev;
+ BusChild *kid;
/*
* try to match in order:
@@ -240,17 +241,20 @@ static DeviceState *qbus_find_dev(BusState *bus, char *elem)
* (2) driver name
* (3) driver alias, if present
*/
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
if (dev->id && strcmp(dev->id, elem) == 0) {
return dev;
}
}
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) {
return dev;
}
}
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
DeviceClass *dc = DEVICE_GET_CLASS(dev);
if (qdev_class_has_alias(dc) &&
@@ -264,7 +268,7 @@ static DeviceState *qbus_find_dev(BusState *bus, char *elem)
static BusState *qbus_find_recursive(BusState *bus, const char *name,
const char *bus_typename)
{
- DeviceState *dev;
+ BusChild *kid;
BusState *child, *ret;
int match = 1;
@@ -279,7 +283,8 @@ static BusState *qbus_find_recursive(BusState *bus, const char *name,
return bus;
}
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
QLIST_FOREACH(child, &dev->child_bus, sibling) {
ret = qbus_find_recursive(child, name, bus_typename);
if (ret) {
@@ -533,12 +538,13 @@ static void qdev_print(Monitor *mon, DeviceState *dev, int indent)
static void qbus_print(Monitor *mon, BusState *bus, int indent)
{
- struct DeviceState *dev;
+ BusChild *kid;
qdev_printf("bus: %s\n", bus->name);
indent += 2;
qdev_printf("type %s\n", object_get_typename(OBJECT(bus)));
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
qdev_print(mon, dev, indent);
}
}
diff --git a/hw/qdev.c b/hw/qdev.c
index dc46e7bd10..fc79b24103 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -60,14 +60,48 @@ bool qdev_exists(const char *name)
static void qdev_property_add_legacy(DeviceState *dev, Property *prop,
Error **errp);
-void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
+static void bus_remove_child(BusState *bus, DeviceState *child)
{
+ BusChild *kid;
+
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ if (kid->child == child) {
+ char name[32];
+
+ snprintf(name, sizeof(name), "child[%d]", kid->index);
+ QTAILQ_REMOVE(&bus->children, kid, sibling);
+ object_property_del(OBJECT(bus), name, NULL);
+ g_free(kid);
+ return;
+ }
+ }
+}
+
+static void bus_add_child(BusState *bus, DeviceState *child)
+{
+ char name[32];
+ BusChild *kid = g_malloc0(sizeof(*kid));
+
if (qdev_hotplug) {
assert(bus->allow_hotplug);
}
+ kid->index = bus->max_index++;
+ kid->child = child;
+
+ QTAILQ_INSERT_HEAD(&bus->children, kid, sibling);
+
+ snprintf(name, sizeof(name), "child[%d]", kid->index);
+ object_property_add_link(OBJECT(bus), name,
+ object_get_typename(OBJECT(child)),
+ (Object **)&kid->child,
+ NULL);
+}
+
+void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
+{
dev->parent_bus = bus;
- QTAILQ_INSERT_HEAD(&bus->children, dev, sibling);
+ bus_add_child(bus, dev);
}
/* Create a new device. This only initializes the device state structure
@@ -310,7 +344,7 @@ BusState *qdev_get_child_bus(DeviceState *dev, const char *name)
int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn,
qbus_walkerfn *busfn, void *opaque)
{
- DeviceState *dev;
+ BusChild *kid;
int err;
if (busfn) {
@@ -320,8 +354,8 @@ int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn,
}
}
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
- err = qdev_walk_children(dev, devfn, busfn, opaque);
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ err = qdev_walk_children(kid->child, devfn, busfn, opaque);
if (err < 0) {
return err;
}
@@ -355,12 +389,17 @@ int qdev_walk_children(DeviceState *dev, qdev_walkerfn *devfn,
DeviceState *qdev_find_recursive(BusState *bus, const char *id)
{
- DeviceState *dev, *ret;
+ BusChild *kid;
+ DeviceState *ret;
BusState *child;
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
- if (dev->id && strcmp(dev->id, id) == 0)
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
+
+ if (dev->id && strcmp(dev->id, id) == 0) {
return dev;
+ }
+
QLIST_FOREACH(child, &dev->child_bus, sibling) {
ret = qdev_find_recursive(child, id);
if (ret) {
@@ -431,9 +470,10 @@ BusState *qbus_create(const char *typename, DeviceState *parent, const char *nam
void qbus_free(BusState *bus)
{
- DeviceState *dev;
+ BusChild *kid;
- while ((dev = QTAILQ_FIRST(&bus->children)) != NULL) {
+ while ((kid = QTAILQ_FIRST(&bus->children)) != NULL) {
+ DeviceState *dev = kid->child;
qdev_free(dev);
}
if (bus->parent) {
@@ -684,7 +724,9 @@ static void device_finalize(Object *obj)
qemu_opts_del(dev->opts);
}
}
- QTAILQ_REMOVE(&dev->parent_bus->children, dev, sibling);
+ if (dev->parent_bus) {
+ bus_remove_child(dev->parent_bus, dev);
+ }
}
static void device_class_base_init(ObjectClass *class, void *data)
diff --git a/hw/qdev.h b/hw/qdev.h
index 736271ecef..e39f82e029 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -74,7 +74,6 @@ struct DeviceState {
qemu_irq *gpio_in;
QLIST_HEAD(, BusState) child_bus;
int num_child_bus;
- QTAILQ_ENTRY(DeviceState) sibling;
int instance_id_alias;
int alias_required_for_version;
};
@@ -100,6 +99,12 @@ struct BusClass {
int (*reset)(BusState *bus);
};
+typedef struct BusChild {
+ DeviceState *child;
+ int index;
+ QTAILQ_ENTRY(BusChild) sibling;
+} BusChild;
+
/**
* BusState:
* @qom_allocated: Indicates whether the object was allocated by QOM.
@@ -113,7 +118,8 @@ struct BusState {
int allow_hotplug;
bool qom_allocated;
bool glib_allocated;
- QTAILQ_HEAD(ChildrenHead, DeviceState) children;
+ int max_index;
+ QTAILQ_HEAD(ChildrenHead, BusChild) children;
QLIST_ENTRY(BusState) sibling;
};
diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index 2aec756da1..4d49b96f94 100644
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -315,20 +315,20 @@ VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus,
ram_addr_t mem,
int *vq_num)
{
- VirtIOS390Device *_dev;
- DeviceState *dev;
+ BusChild *kid;
int i;
- QTAILQ_FOREACH(dev, &bus->bus.children, sibling) {
- _dev = (VirtIOS390Device *)dev;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ VirtIOS390Device *dev = (VirtIOS390Device *)kid->child;
+
for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) {
- if (!virtio_queue_get_addr(_dev->vdev, i))
+ if (!virtio_queue_get_addr(dev->vdev, i))
break;
- if (virtio_queue_get_addr(_dev->vdev, i) == mem) {
+ if (virtio_queue_get_addr(dev->vdev, i) == mem) {
if (vq_num) {
*vq_num = i;
}
- return _dev;
+ return dev;
}
}
}
@@ -339,13 +339,12 @@ VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus,
/* Find a device by device descriptor location */
VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem)
{
- VirtIOS390Device *_dev;
- DeviceState *dev;
+ BusChild *kid;
- QTAILQ_FOREACH(dev, &bus->bus.children, sibling) {
- _dev = (VirtIOS390Device *)dev;
- if (_dev->dev_offs == mem) {
- return _dev;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ VirtIOS390Device *dev = (VirtIOS390Device *)kid->child;
+ if (dev->dev_offs == mem) {
+ return dev;
}
}
diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c
index 276c794f47..dbfccdc24a 100644
--- a/hw/scsi-bus.c
+++ b/hw/scsi-bus.c
@@ -315,7 +315,7 @@ static void store_lun(uint8_t *outbuf, int lun)
static bool scsi_target_emulate_report_luns(SCSITargetReq *r)
{
- DeviceState *qdev;
+ BusChild *kid;
int i, len, n;
int channel, id;
bool found_lun0;
@@ -330,7 +330,8 @@ static bool scsi_target_emulate_report_luns(SCSITargetReq *r)
id = r->req.dev->id;
found_lun0 = false;
n = 0;
- QTAILQ_FOREACH(qdev, &r->req.bus->qbus.children, sibling) {
+ QTAILQ_FOREACH(kid, &r->req.bus->qbus.children, sibling) {
+ DeviceState *qdev = kid->child;
SCSIDevice *dev = SCSI_DEVICE(qdev);
if (dev->channel == channel && dev->id == id) {
@@ -352,7 +353,8 @@ static bool scsi_target_emulate_report_luns(SCSITargetReq *r)
memset(r->buf, 0, len);
stl_be_p(&r->buf, n);
i = found_lun0 ? 8 : 16;
- QTAILQ_FOREACH(qdev, &r->req.bus->qbus.children, sibling) {
+ QTAILQ_FOREACH(kid, &r->req.bus->qbus.children, sibling) {
+ DeviceState *qdev = kid->child;
SCSIDevice *dev = SCSI_DEVICE(qdev);
if (dev->channel == channel && dev->id == id) {
@@ -1487,10 +1489,11 @@ static char *scsibus_get_fw_dev_path(DeviceState *dev)
SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int id, int lun)
{
- DeviceState *qdev;
+ BusChild *kid;
SCSIDevice *target_dev = NULL;
- QTAILQ_FOREACH_REVERSE(qdev, &bus->qbus.children, ChildrenHead, sibling) {
+ QTAILQ_FOREACH_REVERSE(kid, &bus->qbus.children, ChildrenHead, sibling) {
+ DeviceState *qdev = kid->child;
SCSIDevice *dev = SCSI_DEVICE(qdev);
if (dev->channel == channel && dev->id == id) {
diff --git a/hw/spapr_pci.c b/hw/spapr_pci.c
index 25b400aa47..97d417a997 100644
--- a/hw/spapr_pci.c
+++ b/hw/spapr_pci.c
@@ -35,17 +35,18 @@
static PCIDevice *find_dev(sPAPREnvironment *spapr,
uint64_t buid, uint32_t config_addr)
{
- DeviceState *qdev;
int devfn = (config_addr >> 8) & 0xFF;
sPAPRPHBState *phb;
QLIST_FOREACH(phb, &spapr->phbs, list) {
+ BusChild *kid;
+
if (phb->buid != buid) {
continue;
}
- QTAILQ_FOREACH(qdev, &phb->host_state.bus->qbus.children, sibling) {
- PCIDevice *dev = (PCIDevice *)qdev;
+ QTAILQ_FOREACH(kid, &phb->host_state.bus->qbus.children, sibling) {
+ PCIDevice *dev = (PCIDevice *)kid->child;
if (dev->devfn == devfn) {
return dev;
}
diff --git a/hw/spapr_vio.c b/hw/spapr_vio.c
index b7611ff865..c8271c626c 100644
--- a/hw/spapr_vio.c
+++ b/hw/spapr_vio.c
@@ -62,11 +62,11 @@ static const TypeInfo spapr_vio_bus_info = {
VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg)
{
- DeviceState *qdev;
+ BusChild *kid;
VIOsPAPRDevice *dev = NULL;
- QTAILQ_FOREACH(qdev, &bus->bus.children, sibling) {
- dev = (VIOsPAPRDevice *)qdev;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ dev = (VIOsPAPRDevice *)kid->child;
if (dev->reg == reg) {
return dev;
}
@@ -606,7 +606,7 @@ static void rtas_quiesce(sPAPREnvironment *spapr, uint32_t token,
uint32_t nret, target_ulong rets)
{
VIOsPAPRBus *bus = spapr->vio_bus;
- DeviceState *qdev;
+ BusChild *kid;
VIOsPAPRDevice *dev = NULL;
if (nargs != 0) {
@@ -614,8 +614,8 @@ static void rtas_quiesce(sPAPREnvironment *spapr, uint32_t token,
return;
}
- QTAILQ_FOREACH(qdev, &bus->bus.children, sibling) {
- dev = (VIOsPAPRDevice *)qdev;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ dev = (VIOsPAPRDevice *)kid->child;
spapr_vio_quiesce_one(dev);
}
@@ -625,7 +625,7 @@ static void rtas_quiesce(sPAPREnvironment *spapr, uint32_t token,
static VIOsPAPRDevice *reg_conflict(VIOsPAPRDevice *dev)
{
VIOsPAPRBus *bus = DO_UPCAST(VIOsPAPRBus, bus, dev->qdev.parent_bus);
- DeviceState *qdev;
+ BusChild *kid;
VIOsPAPRDevice *other;
/*
@@ -633,8 +633,8 @@ static VIOsPAPRDevice *reg_conflict(VIOsPAPRDevice *dev)
* using the requested address. We have to open code this because
* the given dev might already be in the list.
*/
- QTAILQ_FOREACH(qdev, &bus->bus.children, sibling) {
- other = DO_UPCAST(VIOsPAPRDevice, qdev, qdev);
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ other = DO_UPCAST(VIOsPAPRDevice, qdev, kid->child);
if (other != dev && other->reg == dev->reg) {
return other;
@@ -840,19 +840,20 @@ static int compare_reg(const void *p1, const void *p2)
int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt)
{
DeviceState *qdev, **qdevs;
+ BusChild *kid;
int i, num, ret = 0;
/* Count qdevs on the bus list */
num = 0;
- QTAILQ_FOREACH(qdev, &bus->bus.children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
num++;
}
/* Copy out into an array of pointers */
qdevs = g_malloc(sizeof(qdev) * num);
num = 0;
- QTAILQ_FOREACH(qdev, &bus->bus.children, sibling) {
- qdevs[num++] = qdev;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ qdevs[num++] = kid->child;
}
/* Sort the array */
diff --git a/hw/spapr_vty.c b/hw/spapr_vty.c
index c9674f36a6..f340b83237 100644
--- a/hw/spapr_vty.c
+++ b/hw/spapr_vty.c
@@ -160,7 +160,7 @@ static TypeInfo spapr_vty_info = {
VIOsPAPRDevice *spapr_vty_get_default(VIOsPAPRBus *bus)
{
VIOsPAPRDevice *sdev, *selected;
- DeviceState *iter;
+ BusChild *kid;
/*
* To avoid the console bouncing around we want one VTY to be
@@ -169,7 +169,9 @@ VIOsPAPRDevice *spapr_vty_get_default(VIOsPAPRBus *bus)
*/
selected = NULL;
- QTAILQ_FOREACH(iter, &bus->bus.children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ DeviceState *iter = kid->child;
+
/* Only look at VTY devices */
if (!object_dynamic_cast(OBJECT(iter), "spapr-vty")) {
continue;
diff --git a/hw/ssi.c b/hw/ssi.c
index 8db99c29e4..e5f14a0cef 100644
--- a/hw/ssi.c
+++ b/hw/ssi.c
@@ -30,10 +30,11 @@ static int ssi_slave_init(DeviceState *dev)
SSISlave *s = SSI_SLAVE(dev);
SSISlaveClass *ssc = SSI_SLAVE_GET_CLASS(s);
SSIBus *bus;
+ BusChild *kid;
bus = FROM_QBUS(SSIBus, qdev_get_parent_bus(dev));
- if (QTAILQ_FIRST(&bus->qbus.children) != dev
- || QTAILQ_NEXT(dev, sibling) != NULL) {
+ kid = QTAILQ_FIRST(&bus->qbus.children);
+ if (kid->child != dev || QTAILQ_NEXT(kid, sibling) != NULL) {
hw_error("Too many devices on SSI bus");
}
@@ -72,14 +73,15 @@ SSIBus *ssi_create_bus(DeviceState *parent, const char *name)
uint32_t ssi_transfer(SSIBus *bus, uint32_t val)
{
- DeviceState *dev;
+ BusChild *kid;
SSISlave *slave;
SSISlaveClass *ssc;
- dev = QTAILQ_FIRST(&bus->qbus.children);
- if (!dev) {
+
+ kid = QTAILQ_FIRST(&bus->qbus.children);
+ if (!kid) {
return 0;
}
- slave = SSI_SLAVE(dev);
+ slave = SSI_SLAVE(kid->child);
ssc = SSI_SLAVE_GET_CLASS(slave);
return ssc->transfer(slave, val);
}
diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c
index 5e39ce93c4..e1a767ea78 100644
--- a/hw/virtio-scsi.c
+++ b/hw/virtio-scsi.c
@@ -275,7 +275,7 @@ static void virtio_scsi_do_tmf(VirtIOSCSI *s, VirtIOSCSIReq *req)
{
SCSIDevice *d = virtio_scsi_device_find(s, req->req.tmf->lun);
SCSIRequest *r, *next;
- DeviceState *qdev;
+ BusChild *kid;
int target;
/* Here VIRTIO_SCSI_S_OK means "FUNCTION COMPLETE". */
@@ -346,8 +346,8 @@ static void virtio_scsi_do_tmf(VirtIOSCSI *s, VirtIOSCSIReq *req)
case VIRTIO_SCSI_T_TMF_I_T_NEXUS_RESET:
target = req->req.tmf->lun[1];
s->resetting++;
- QTAILQ_FOREACH(qdev, &s->bus.qbus.children, sibling) {
- d = DO_UPCAST(SCSIDevice, qdev, qdev);
+ QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) {
+ d = DO_UPCAST(SCSIDevice, qdev, kid->child);
if (d->channel == 0 && d->id == target) {
qdev_reset_all(&d->qdev);
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-04 21:09:42 +0000