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spapr: Fold spapr_phb_{add,remove}_pci_device() into their only callers 

Both functions are fairly short, and so are their callers.  There's no
particular logical distinction between them, so fold them together.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
David Gibson 2017-06-07 11:35:03 +10:00
parent 0be4e88621
commit 6304fd27ef
1 changed files with 23 additions and 40 deletions
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63
hw/ppc/spapr_pci.c
View File

@ -1344,30 +1344,6 @@ static int spapr_create_pci_child_dt(sPAPRPHBState *phb, PCIDevice *dev,
return offset;
}
static void spapr_phb_add_pci_device(sPAPRDRConnector *drc,
sPAPRPHBState *phb,
PCIDevice *pdev,
Error **errp)
{
DeviceState *dev = DEVICE(pdev);
void *fdt = NULL;
int fdt_start_offset = 0, fdt_size;
fdt = create_device_tree(&fdt_size);
fdt_start_offset = spapr_create_pci_child_dt(phb, pdev, fdt, 0);
if (!fdt_start_offset) {
error_setg(errp, "Failed to create pci child device tree node");
goto out;
}
spapr_drc_attach(drc, DEVICE(pdev),
fdt, fdt_start_offset, !dev->hotplugged, errp);
out:
if (*errp) {
g_free(fdt);
}
}
/* Callback to be called during DRC release. */
void spapr_phb_remove_pci_device_cb(DeviceState *dev)
{
@ -1385,14 +1361,6 @@ void spapr_phb_remove_pci_device_cb(DeviceState *dev)
object_unparent(OBJECT(dev));
}
static void spapr_phb_remove_pci_device(sPAPRDRConnector *drc,
sPAPRPHBState *phb,
PCIDevice *pdev,
Error **errp)
{
spapr_drc_detach(drc, DEVICE(pdev), errp);
}
static sPAPRDRConnector *spapr_phb_get_pci_func_drc(sPAPRPHBState *phb,
uint32_t busnr,
int32_t devfn)
@ -1429,6 +1397,8 @@ static void spapr_phb_hot_plug_child(HotplugHandler *plug_handler,
Error *local_err = NULL;
PCIBus *bus = PCI_BUS(qdev_get_parent_bus(DEVICE(pdev)));
uint32_t slotnr = PCI_SLOT(pdev->devfn);
void *fdt = NULL;
int fdt_start_offset, fdt_size;
/* if DR is disabled we don't need to do anything in the case of
* hotplug or coldplug callbacks
@ -1438,10 +1408,10 @@ static void spapr_phb_hot_plug_child(HotplugHandler *plug_handler,
* we need to let them know it's not enabled
*/
if (plugged_dev->hotplugged) {
error_setg(errp, QERR_BUS_NO_HOTPLUG,
error_setg(&local_err, QERR_BUS_NO_HOTPLUG,
object_get_typename(OBJECT(phb)));
}
return;
goto out;
}
g_assert(drc);
@ -1452,16 +1422,23 @@ static void spapr_phb_hot_plug_child(HotplugHandler *plug_handler,
*/
if (plugged_dev->hotplugged && bus->devices[PCI_DEVFN(slotnr, 0)] &&
PCI_FUNC(pdev->devfn) != 0) {
error_setg(errp, "PCI: slot %d function 0 already ocuppied by %s,"
error_setg(&local_err, "PCI: slot %d function 0 already ocuppied by %s,"
" additional functions can no longer be exposed to guest.",
slotnr, bus->devices[PCI_DEVFN(slotnr, 0)]->name);
return;
goto out;
}
spapr_phb_add_pci_device(drc, phb, pdev, &local_err);
fdt = create_device_tree(&fdt_size);
fdt_start_offset = spapr_create_pci_child_dt(phb, pdev, fdt, 0);
if (!fdt_start_offset) {
error_setg(&local_err, "Failed to create pci child device tree node");
goto out;
}
spapr_drc_attach(drc, DEVICE(pdev), fdt, fdt_start_offset,
!plugged_dev->hotplugged, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
goto out;
}
/* If this is function 0, signal hotplug for all the device functions.
@ -1485,6 +1462,12 @@ static void spapr_phb_hot_plug_child(HotplugHandler *plug_handler,
}
}
}
out:
if (local_err) {
error_propagate(errp, local_err);
g_free(fdt);
}
}
static void spapr_phb_hot_unplug_child(HotplugHandler *plug_handler,
@ -1531,7 +1514,7 @@ static void spapr_phb_hot_unplug_child(HotplugHandler *plug_handler,
}
}
spapr_phb_remove_pci_device(drc, phb, pdev, &local_err);
spapr_drc_detach(drc, DEVICE(pdev), &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;