*/
#include "hw/hw.h"
#include "hw/pci-host/q35.h"
+#include "qapi/visitor.h"
/****************************************************************************
* Q35 host
*/
-static int q35_host_init(SysBusDevice *dev)
+static void q35_host_realize(DeviceState *dev, Error **errp)
{
- PCIBus *b;
- PCIHostState *pci = FROM_SYSBUS(PCIHostState, dev);
- Q35PCIHost *s = Q35_HOST_DEVICE(&dev->qdev);
+ PCIHostState *pci = PCI_HOST_BRIDGE(dev);
+ Q35PCIHost *s = Q35_HOST_DEVICE(dev);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
- memory_region_init_io(&pci->conf_mem, OBJECT(pci), &pci_host_conf_le_ops, pci,
- "pci-conf-idx", 4);
- sysbus_add_io(dev, MCH_HOST_BRIDGE_CONFIG_ADDR, &pci->conf_mem);
- sysbus_init_ioports(&pci->busdev, MCH_HOST_BRIDGE_CONFIG_ADDR, 4);
+ sysbus_add_io(sbd, MCH_HOST_BRIDGE_CONFIG_ADDR, &pci->conf_mem);
+ sysbus_init_ioports(sbd, MCH_HOST_BRIDGE_CONFIG_ADDR, 4);
- memory_region_init_io(&pci->data_mem, OBJECT(pci), &pci_host_data_le_ops, pci,
- "pci-conf-data", 4);
- sysbus_add_io(dev, MCH_HOST_BRIDGE_CONFIG_DATA, &pci->data_mem);
- sysbus_init_ioports(&pci->busdev, MCH_HOST_BRIDGE_CONFIG_DATA, 4);
+ sysbus_add_io(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, &pci->data_mem);
+ sysbus_init_ioports(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, 4);
- if (pcie_host_init(&s->host) < 0) {
- return -1;
+ if (pcie_host_init(PCIE_HOST_BRIDGE(s)) < 0) {
+ error_setg(errp, "failed to initialize pcie host");
+ return;
}
- b = pci_bus_new(&s->host.pci.busdev.qdev, "pcie.0",
- s->mch.pci_address_space, s->mch.address_space_io,
- 0, TYPE_PCIE_BUS);
- s->host.pci.bus = b;
- qdev_set_parent_bus(DEVICE(&s->mch), BUS(b));
+ pci->bus = pci_bus_new(DEVICE(s), "pcie.0",
+ s->mch.pci_address_space, s->mch.address_space_io,
+ 0, TYPE_PCIE_BUS);
+ qdev_set_parent_bus(DEVICE(&s->mch), BUS(pci->bus));
qdev_init_nofail(DEVICE(&s->mch));
-
- return 0;
}
static const char *q35_host_root_bus_path(PCIHostState *host_bridge,
return "0000";
}
+static void q35_host_get_pci_hole_start(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ Q35PCIHost *s = Q35_HOST_DEVICE(obj);
+ uint32_t value = s->mch.pci_info.w32.begin;
+
+ visit_type_uint32(v, &value, name, errp);
+}
+
+static void q35_host_get_pci_hole_end(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ Q35PCIHost *s = Q35_HOST_DEVICE(obj);
+ uint32_t value = s->mch.pci_info.w32.end;
+
+ visit_type_uint32(v, &value, name, errp);
+}
+
+static void q35_host_get_pci_hole64_start(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ PCIHostState *h = PCI_HOST_BRIDGE(obj);
+ Range w64;
+
+ pci_bus_get_w64_range(h->bus, &w64);
+
+ visit_type_uint64(v, &w64.begin, name, errp);
+}
+
+static void q35_host_get_pci_hole64_end(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ PCIHostState *h = PCI_HOST_BRIDGE(obj);
+ Range w64;
+
+ pci_bus_get_w64_range(h->bus, &w64);
+
+ visit_type_uint64(v, &w64.end, name, errp);
+}
+
static Property mch_props[] = {
- DEFINE_PROP_UINT64("MCFG", Q35PCIHost, host.base_addr,
+ DEFINE_PROP_UINT64("MCFG", Q35PCIHost, parent_obj.base_addr,
MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT),
+ DEFINE_PROP_SIZE(PCI_HOST_PROP_PCI_HOLE64_SIZE, Q35PCIHost,
+ mch.pci_hole64_size, DEFAULT_PCI_HOLE64_SIZE),
DEFINE_PROP_END_OF_LIST(),
};
static void q35_host_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
PCIHostBridgeClass *hc = PCI_HOST_BRIDGE_CLASS(klass);
hc->root_bus_path = q35_host_root_bus_path;
- k->init = q35_host_init;
+ dc->realize = q35_host_realize;
dc->props = mch_props;
+ set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
dc->fw_name = "pci";
}
static void q35_host_initfn(Object *obj)
{
Q35PCIHost *s = Q35_HOST_DEVICE(obj);
+ PCIHostState *phb = PCI_HOST_BRIDGE(obj);
- object_initialize(&s->mch, TYPE_MCH_PCI_DEVICE);
+ memory_region_init_io(&phb->conf_mem, obj, &pci_host_conf_le_ops, phb,
+ "pci-conf-idx", 4);
+ memory_region_init_io(&phb->data_mem, obj, &pci_host_data_le_ops, phb,
+ "pci-conf-data", 4);
+
+ object_initialize(&s->mch, sizeof(s->mch), TYPE_MCH_PCI_DEVICE);
object_property_add_child(OBJECT(s), "mch", OBJECT(&s->mch), NULL);
qdev_prop_set_uint32(DEVICE(&s->mch), "addr", PCI_DEVFN(0, 0));
qdev_prop_set_bit(DEVICE(&s->mch), "multifunction", false);
+
+ object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_START, "int",
+ q35_host_get_pci_hole_start,
+ NULL, NULL, NULL, NULL);
+
+ object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_END, "int",
+ q35_host_get_pci_hole_end,
+ NULL, NULL, NULL, NULL);
+
+ object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_START, "int",
+ q35_host_get_pci_hole64_start,
+ NULL, NULL, NULL, NULL);
+
+ object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_END, "int",
+ q35_host_get_pci_hole64_end,
+ NULL, NULL, NULL, NULL);
+
+ /* Leave enough space for the biggest MCFG BAR */
+ /* TODO: this matches current bios behaviour, but
+ * it's not a power of two, which means an MTRR
+ * can't cover it exactly.
+ */
+ s->mch.pci_info.w32.begin = MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT +
+ MCH_HOST_BRIDGE_PCIEXBAR_MAX;
+ s->mch.pci_info.w32.end = IO_APIC_DEFAULT_ADDRESS;
}
static const TypeInfo q35_host_info = {
/* PCIe MMCFG */
static void mch_update_pciexbar(MCHPCIState *mch)
{
- PCIDevice *pci_dev = &mch->d;
- BusState *bus = qdev_get_parent_bus(&pci_dev->qdev);
- DeviceState *qdev = bus->parent;
- Q35PCIHost *s = Q35_HOST_DEVICE(qdev);
+ PCIDevice *pci_dev = PCI_DEVICE(mch);
+ BusState *bus = qdev_get_parent_bus(DEVICE(mch));
+ PCIExpressHost *pehb = PCIE_HOST_BRIDGE(bus->parent);
uint64_t pciexbar;
int enable;
break;
}
addr = pciexbar & addr_mask;
- pcie_host_mmcfg_update(&s->host, enable, addr, length);
+ pcie_host_mmcfg_update(pehb, enable, addr, length);
+ /* Leave enough space for the MCFG BAR */
+ /*
+ * TODO: this matches current bios behaviour, but it's not a power of two,
+ * which means an MTRR can't cover it exactly.
+ */
+ if (enable) {
+ mch->pci_info.w32.begin = addr + length;
+ } else {
+ mch->pci_info.w32.begin = MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT;
+ }
}
/* PAM */
static void mch_update_pam(MCHPCIState *mch)
{
+ PCIDevice *pd = PCI_DEVICE(mch);
int i;
memory_region_transaction_begin();
for (i = 0; i < 13; i++) {
pam_update(&mch->pam_regions[i], i,
- mch->d.config[MCH_HOST_BRIDGE_PAM0 + ((i + 1) / 2)]);
+ pd->config[MCH_HOST_BRIDGE_PAM0 + ((i + 1) / 2)]);
}
memory_region_transaction_commit();
}
/* SMRAM */
static void mch_update_smram(MCHPCIState *mch)
{
+ PCIDevice *pd = PCI_DEVICE(mch);
+
memory_region_transaction_begin();
- smram_update(&mch->smram_region, mch->d.config[MCH_HOST_BRDIGE_SMRAM],
+ smram_update(&mch->smram_region, pd->config[MCH_HOST_BRDIGE_SMRAM],
mch->smm_enabled);
memory_region_transaction_commit();
}
static void mch_set_smm(int smm, void *arg)
{
MCHPCIState *mch = arg;
+ PCIDevice *pd = PCI_DEVICE(mch);
memory_region_transaction_begin();
- smram_set_smm(&mch->smm_enabled, smm, mch->d.config[MCH_HOST_BRDIGE_SMRAM],
+ smram_set_smm(&mch->smm_enabled, smm, pd->config[MCH_HOST_BRDIGE_SMRAM],
&mch->smram_region);
memory_region_transaction_commit();
}
.minimum_version_id_old = 1,
.post_load = mch_post_load,
.fields = (VMStateField []) {
- VMSTATE_PCI_DEVICE(d, MCHPCIState),
+ VMSTATE_PCI_DEVICE(parent_obj, MCHPCIState),
VMSTATE_UINT8(smm_enabled, MCHPCIState),
VMSTATE_END_OF_LIST()
}
static int mch_init(PCIDevice *d)
{
int i;
- hwaddr pci_hole64_size;
MCHPCIState *mch = MCH_PCI_DEVICE(d);
-
- /* Leave enough space for the biggest MCFG BAR */
- /* TODO: this matches current bios behaviour, but
- * it's not a power of two, which means an MTRR
- * can't cover it exactly.
- */
- mch->guest_info->pci_info.w32.begin = MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT +
- MCH_HOST_BRIDGE_PCIEXBAR_MAX;
+ uint64_t pci_hole64_size;
/* setup pci memory regions */
memory_region_init_alias(&mch->pci_hole, OBJECT(mch), "pci-hole",
0x100000000ULL - mch->below_4g_mem_size);
memory_region_add_subregion(mch->system_memory, mch->below_4g_mem_size,
&mch->pci_hole);
- pci_hole64_size = (sizeof(hwaddr) == 4 ? 0 :
- ((uint64_t)1 << 62));
+
+ pci_hole64_size = pci_host_get_hole64_size(mch->pci_hole64_size);
+ pc_init_pci64_hole(&mch->pci_info, 0x100000000ULL + mch->above_4g_mem_size,
+ pci_hole64_size);
memory_region_init_alias(&mch->pci_hole_64bit, OBJECT(mch), "pci-hole64",
mch->pci_address_space,
- 0x100000000ULL + mch->above_4g_mem_size,
+ mch->pci_info.w64.begin,
pci_hole64_size);
if (pci_hole64_size) {
memory_region_add_subregion(mch->system_memory,
- 0x100000000ULL + mch->above_4g_mem_size,
+ mch->pci_info.w64.begin,
&mch->pci_hole_64bit);
}
/* smram */
k->init = mch_init;
k->config_write = mch_write_config;
dc->reset = mch_reset;
+ set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
dc->desc = "Host bridge";
dc->vmsd = &vmstate_mch;
k->vendor_id = PCI_VENDOR_ID_INTEL;
k->device_id = PCI_DEVICE_ID_INTEL_Q35_MCH;
- k->revision = MCH_HOST_BRIDGE_REVISION_DEFUALT;
+ k->revision = MCH_HOST_BRIDGE_REVISION_DEFAULT;
k->class_id = PCI_CLASS_BRIDGE_HOST;
}
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