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hw/ioh3420: derive from PCI Express Root Port base class 

Preserve only Intel specific details.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Marcel Apfelbaum 2017-01-23 21:20:19 +02:00 committed by Michael S. Tsirkin
parent 9d5154d753
commit fed23cb4e8
1 changed files with 15 additions and 106 deletions
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121
hw/pci-bridge/ioh3420.c
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@ -61,119 +61,28 @@ static uint8_t ioh3420_aer_vector(const PCIDevice *d)
return 0;
}
static void ioh3420_aer_vector_update(PCIDevice *d)
static int ioh3420_interrupts_init(PCIDevice *d, Error **errp)
{
pcie_aer_root_set_vector(d, ioh3420_aer_vector(d));
}
static void ioh3420_write_config(PCIDevice *d,
uint32_t address, uint32_t val, int len)
{
uint32_t root_cmd =
pci_get_long(d->config + d->exp.aer_cap + PCI_ERR_ROOT_COMMAND);
pci_bridge_write_config(d, address, val, len);
ioh3420_aer_vector_update(d);
pcie_cap_slot_write_config(d, address, val, len);
pcie_aer_write_config(d, address, val, len);
pcie_aer_root_write_config(d, address, val, len, root_cmd);
}
static void ioh3420_reset(DeviceState *qdev)
{
PCIDevice *d = PCI_DEVICE(qdev);
ioh3420_aer_vector_update(d);
pcie_cap_root_reset(d);
pcie_cap_deverr_reset(d);
pcie_cap_slot_reset(d);
pcie_cap_arifwd_reset(d);
pcie_aer_root_reset(d);
pci_bridge_reset(qdev);
pci_bridge_disable_base_limit(d);
}
static int ioh3420_initfn(PCIDevice *d)
{
PCIEPort *p = PCIE_PORT(d);
PCIESlot *s = PCIE_SLOT(d);
int rc;
Error *err = NULL;
pci_config_set_interrupt_pin(d->config, 1);
pci_bridge_initfn(d, TYPE_PCIE_BUS);
pcie_port_init_reg(d);
rc = pci_bridge_ssvid_init(d, IOH_EP_SSVID_OFFSET,
IOH_EP_SSVID_SVID, IOH_EP_SSVID_SSID);
if (rc < 0) {
goto err_bridge;
}
Error *local_err = NULL;
rc = msi_init(d, IOH_EP_MSI_OFFSET, IOH_EP_MSI_NR_VECTOR,
IOH_EP_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_64BIT,
IOH_EP_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_MASKBIT, &err);
IOH_EP_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_MASKBIT,
&local_err);
if (rc < 0) {
assert(rc == -ENOTSUP);
error_report_err(err);
goto err_bridge;
error_propagate(errp, local_err);
}
rc = pcie_cap_init(d, IOH_EP_EXP_OFFSET, PCI_EXP_TYPE_ROOT_PORT, p->port);
if (rc < 0) {
goto err_msi;
}
pcie_cap_arifwd_init(d);
pcie_cap_deverr_init(d);
pcie_cap_slot_init(d, s->slot);
pcie_cap_root_init(d);
pcie_chassis_create(s->chassis);
rc = pcie_chassis_add_slot(s);
if (rc < 0) {
goto err_pcie_cap;
}
rc = pcie_aer_init(d, PCI_ERR_VER, IOH_EP_AER_OFFSET,
PCI_ERR_SIZEOF, &err);
if (rc < 0) {
error_report_err(err);
goto err;
}
pcie_aer_root_init(d);
ioh3420_aer_vector_update(d);
return 0;
err:
pcie_chassis_del_slot(s);
err_pcie_cap:
pcie_cap_exit(d);
err_msi:
msi_uninit(d);
err_bridge:
pci_bridge_exitfn(d);
return rc;
}
static void ioh3420_exitfn(PCIDevice *d)
static void ioh3420_interrupts_uninit(PCIDevice *d)
{
PCIESlot *s = PCIE_SLOT(d);
pcie_aer_exit(d);
pcie_chassis_del_slot(s);
pcie_cap_exit(d);
msi_uninit(d);
pci_bridge_exitfn(d);
}
static Property ioh3420_props[] = {
DEFINE_PROP_BIT(COMPAT_PROP_PCP, PCIDevice, cap_present,
QEMU_PCIE_SLTCAP_PCP_BITNR, true),
DEFINE_PROP_END_OF_LIST()
};
static const VMStateDescription vmstate_ioh3420 = {
.name = "ioh-3240-express-root-port",
.version_id = 1,
@ -191,25 +100,25 @@ static void ioh3420_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
PCIERootPortClass *rpc = PCIE_ROOT_PORT_CLASS(klass);
k->is_express = 1;
k->is_bridge = 1;
k->config_write = ioh3420_write_config;
k->init = ioh3420_initfn;
k->exit = ioh3420_exitfn;
k->vendor_id = PCI_VENDOR_ID_INTEL;
k->device_id = PCI_DEVICE_ID_IOH_EPORT;
k->revision = PCI_DEVICE_ID_IOH_REV;
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
dc->desc = "Intel IOH device id 3420 PCIE Root Port";
dc->reset = ioh3420_reset;
dc->vmsd = &vmstate_ioh3420;
dc->props = ioh3420_props;
rpc->aer_vector = ioh3420_aer_vector;
rpc->interrupts_init = ioh3420_interrupts_init;
rpc->interrupts_uninit = ioh3420_interrupts_uninit;
rpc->exp_offset = IOH_EP_EXP_OFFSET;
rpc->aer_offset = IOH_EP_AER_OFFSET;
rpc->ssvid_offset = IOH_EP_SSVID_OFFSET;
rpc->ssid = IOH_EP_SSVID_SSID;
}
static const TypeInfo ioh3420_info = {
.name = "ioh3420",
.parent = TYPE_PCIE_SLOT,
.parent = TYPE_PCIE_ROOT_PORT,
.class_init = ioh3420_class_init,
};