diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-03-01 13:59:19 +0100 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-08 18:13:12 +0200 |
commit | 49ab747f668f421138d5b40d83fa279c4c5e278d (patch) | |
tree | 943225a04eac885aed038731adf058f2250a2f40 /hw/pci/bridge/ioh3420.c | |
parent | ce3b494cb504f96992f2d37ebc8f56deed202b06 (diff) |
hw: move target-independent files to subdirectories
This patch tackles all files that are compiled once, moving
them to subdirectories of hw/.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/pci/bridge/ioh3420.c')
-rw-r--r-- | hw/pci/bridge/ioh3420.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/hw/pci/bridge/ioh3420.c b/hw/pci/bridge/ioh3420.c new file mode 100644 index 0000000000..5cff61e095 --- /dev/null +++ b/hw/pci/bridge/ioh3420.c @@ -0,0 +1,250 @@ +/* + * 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 "hw/pci/pci_ids.h" +#include "hw/pci/msi.h" +#include "hw/pci/pcie.h" +#include "hw/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_aer_root_reset(d); + pci_bridge_reset(qdev); + pci_bridge_disable_base_limit(d); +} + +static int ioh3420_initfn(PCIDevice *d) +{ + PCIBridge* br = DO_UPCAST(PCIBridge, dev, d); + PCIEPort *p = DO_UPCAST(PCIEPort, br, br); + PCIESlot *s = DO_UPCAST(PCIESlot, port, p); + int rc; + + rc = pci_bridge_initfn(d, TYPE_PCIE_BUS); + if (rc < 0) { + return rc; + } + + 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_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); + 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) +{ + PCIBridge* br = DO_UPCAST(PCIBridge, dev, d); + PCIEPort *p = DO_UPCAST(PCIEPort, br, br); + PCIESlot *s = DO_UPCAST(PCIESlot, port, p); + + pcie_aer_exit(d); + pcie_chassis_del_slot(s); + pcie_cap_exit(d); + msi_uninit(d); + pci_bridge_exitfn(d); +} + +PCIESlot *ioh3420_init(PCIBus *bus, int devfn, bool multifunction, + const char *bus_name, pci_map_irq_fn map_irq, + uint8_t port, uint8_t chassis, uint16_t slot) +{ + PCIDevice *d; + PCIBridge *br; + DeviceState *qdev; + + d = pci_create_multifunction(bus, devfn, multifunction, "ioh3420"); + if (!d) { + return NULL; + } + br = DO_UPCAST(PCIBridge, dev, d); + + qdev = &br->dev.qdev; + pci_bridge_map_irq(br, bus_name, map_irq); + qdev_prop_set_uint8(qdev, "port", port); + qdev_prop_set_uint8(qdev, "chassis", chassis); + qdev_prop_set_uint16(qdev, "slot", slot); + qdev_init_nofail(qdev); + + return DO_UPCAST(PCIESlot, port, DO_UPCAST(PCIEPort, br, br)); +} + +static const VMStateDescription vmstate_ioh3420 = { + .name = "ioh-3240-express-root-port", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .post_load = pcie_cap_slot_post_load, + .fields = (VMStateField[]) { + VMSTATE_PCIE_DEVICE(port.br.dev, PCIESlot), + VMSTATE_STRUCT(port.br.dev.exp.aer_log, PCIESlot, 0, + vmstate_pcie_aer_log, PCIEAERLog), + VMSTATE_END_OF_LIST() + } +}; + +static Property ioh3420_properties[] = { + DEFINE_PROP_UINT8("port", PCIESlot, port.port, 0), + DEFINE_PROP_UINT8("chassis", PCIESlot, chassis, 0), + DEFINE_PROP_UINT16("slot", PCIESlot, slot, 0), + DEFINE_PROP_UINT16("aer_log_max", PCIESlot, + port.br.dev.exp.aer_log.log_max, + PCIE_AER_LOG_MAX_DEFAULT), + DEFINE_PROP_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; + dc->desc = "Intel IOH device id 3420 PCIE Root Port"; + dc->reset = ioh3420_reset; + dc->vmsd = &vmstate_ioh3420; + dc->props = ioh3420_properties; +} + +static const TypeInfo ioh3420_info = { + .name = "ioh3420", + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(PCIESlot), + .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: + */ |