diff options
Diffstat (limited to 'qemu/hw/pci-bridge/ioh3420.c')
-rw-r--r-- | qemu/hw/pci-bridge/ioh3420.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/qemu/hw/pci-bridge/ioh3420.c b/qemu/hw/pci-bridge/ioh3420.c deleted file mode 100644 index 0937fa34b..000000000 --- a/qemu/hw/pci-bridge/ioh3420.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * ioh3420.c - * Intel X58 north bridge IOH - * PCI Express root port device id 3420 - * - * Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "hw/pci/pci_ids.h" -#include "hw/pci/msi.h" -#include "hw/pci/pcie.h" -#include "ioh3420.h" - -#define PCI_DEVICE_ID_IOH_EPORT 0x3420 /* D0:F0 express mode */ -#define PCI_DEVICE_ID_IOH_REV 0x2 -#define IOH_EP_SSVID_OFFSET 0x40 -#define IOH_EP_SSVID_SVID PCI_VENDOR_ID_INTEL -#define IOH_EP_SSVID_SSID 0 -#define IOH_EP_MSI_OFFSET 0x60 -#define IOH_EP_MSI_SUPPORTED_FLAGS PCI_MSI_FLAGS_MASKBIT -#define IOH_EP_MSI_NR_VECTOR 2 -#define IOH_EP_EXP_OFFSET 0x90 -#define IOH_EP_AER_OFFSET 0x100 - -/* - * If two MSI vector are allocated, Advanced Error Interrupt Message Number - * is 1. otherwise 0. - * 17.12.5.10 RPERRSTS, 32:27 bit Advanced Error Interrupt Message Number. - */ -static uint8_t ioh3420_aer_vector(const PCIDevice *d) -{ - switch (msi_nr_vectors_allocated(d)) { - case 1: - return 0; - case 2: - return 1; - case 4: - case 8: - case 16: - case 32: - default: - break; - } - abort(); - return 0; -} - -static void ioh3420_aer_vector_update(PCIDevice *d) -{ - 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; - - 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; - } - 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); - if (rc < 0) { - goto err_bridge; - } - 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_chassis_create(s->chassis); - rc = pcie_chassis_add_slot(s); - if (rc < 0) { - goto err_pcie_cap; - } - pcie_cap_root_init(d); - rc = pcie_aer_init(d, IOH_EP_AER_OFFSET, PCI_ERR_SIZEOF); - if (rc < 0) { - 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) -{ - 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, - .minimum_version_id = 1, - .post_load = pcie_cap_slot_post_load, - .fields = (VMStateField[]) { - VMSTATE_PCIE_DEVICE(parent_obj.parent_obj.parent_obj, PCIESlot), - VMSTATE_STRUCT(parent_obj.parent_obj.parent_obj.exp.aer_log, - PCIESlot, 0, vmstate_pcie_aer_log, PCIEAERLog), - VMSTATE_END_OF_LIST() - } -}; - -static void ioh3420_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_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; -} - -static const TypeInfo ioh3420_info = { - .name = "ioh3420", - .parent = TYPE_PCIE_SLOT, - .class_init = ioh3420_class_init, -}; - -static void ioh3420_register_types(void) -{ - type_register_static(&ioh3420_info); -} - -type_init(ioh3420_register_types) - -/* - * Local variables: - * c-indent-level: 4 - * c-basic-offset: 4 - * tab-width: 8 - * indent-tab-mode: nil - * End: - */ |