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Diffstat (limited to 'hw/pci.c')
-rw-r--r--hw/pci.c56
1 files changed, 38 insertions, 18 deletions
diff --git a/hw/pci.c b/hw/pci.c
index 1d297d6..b904a4e 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -726,10 +726,11 @@ static void pci_config_free(PCIDevice *pci_dev)
/* -1 for devfn means auto assign */
static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
const char *name, int devfn,
- PCIConfigReadFunc *config_read,
- PCIConfigWriteFunc *config_write,
- bool is_bridge)
+ const PCIDeviceInfo *info)
{
+ PCIConfigReadFunc *config_read = info->config_read;
+ PCIConfigWriteFunc *config_write = info->config_write;
+
if (devfn < 0) {
for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices);
devfn += PCI_FUNC_MAX) {
@@ -750,13 +751,29 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
pci_dev->irq_state = 0;
pci_config_alloc(pci_dev);
- if (!is_bridge) {
- pci_set_default_subsystem_id(pci_dev);
+ pci_config_set_vendor_id(pci_dev->config, info->vendor_id);
+ pci_config_set_device_id(pci_dev->config, info->device_id);
+ pci_config_set_revision(pci_dev->config, info->revision);
+ pci_config_set_class(pci_dev->config, info->class_id);
+
+ if (!info->is_bridge) {
+ if (info->subsystem_vendor_id || info->subsystem_id) {
+ pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID,
+ info->subsystem_vendor_id);
+ pci_set_word(pci_dev->config + PCI_SUBSYSTEM_ID,
+ info->subsystem_id);
+ } else {
+ pci_set_default_subsystem_id(pci_dev);
+ }
+ } else {
+ /* subsystem_vendor_id/subsystem_id are only for header type 0 */
+ assert(!info->subsystem_vendor_id);
+ assert(!info->subsystem_id);
}
pci_init_cmask(pci_dev);
pci_init_wmask(pci_dev);
pci_init_w1cmask(pci_dev);
- if (is_bridge) {
+ if (info->is_bridge) {
pci_init_wmask_bridge(pci_dev);
}
if (pci_init_multifunction(bus, pci_dev)) {
@@ -783,17 +800,20 @@ static void do_pci_unregister_device(PCIDevice *pci_dev)
pci_config_free(pci_dev);
}
+/* TODO: obsolete. eliminate this once all pci devices are qdevifed. */
PCIDevice *pci_register_device(PCIBus *bus, const char *name,
int instance_size, int devfn,
PCIConfigReadFunc *config_read,
PCIConfigWriteFunc *config_write)
{
PCIDevice *pci_dev;
+ PCIDeviceInfo info = {
+ .config_read = config_read,
+ .config_write = config_write,
+ };
pci_dev = qemu_mallocz(instance_size);
- pci_dev = do_pci_register_device(pci_dev, bus, name, devfn,
- config_read, config_write,
- PCI_HEADER_TYPE_NORMAL);
+ pci_dev = do_pci_register_device(pci_dev, bus, name, devfn, &info);
if (pci_dev == NULL) {
hw_error("PCI: can't register device\n");
}
@@ -1643,7 +1663,7 @@ static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base)
PCIDevice *pci_dev = (PCIDevice *)qdev;
PCIDeviceInfo *info = container_of(base, PCIDeviceInfo, qdev);
PCIBus *bus;
- int devfn, rc;
+ int rc;
bool is_default_rom;
/* initialize cap_present for pci_is_express() and pci_config_size() */
@@ -1652,10 +1672,8 @@ static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base)
}
bus = FROM_QBUS(PCIBus, qdev_get_parent_bus(qdev));
- devfn = pci_dev->devfn;
- pci_dev = do_pci_register_device(pci_dev, bus, base->name, devfn,
- info->config_read, info->config_write,
- info->is_bridge);
+ pci_dev = do_pci_register_device(pci_dev, bus, base->name,
+ pci_dev->devfn, info);
if (pci_dev == NULL)
return -1;
if (qdev->hotplugged && info->no_hotplug) {
@@ -1663,10 +1681,12 @@ static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base)
do_pci_unregister_device(pci_dev);
return -1;
}
- rc = info->init(pci_dev);
- if (rc != 0) {
- do_pci_unregister_device(pci_dev);
- return rc;
+ if (info->init) {
+ rc = info->init(pci_dev);
+ if (rc != 0) {
+ do_pci_unregister_device(pci_dev);
+ return rc;
+ }
}
/* rom loading */