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/*
* QEMU PCI bridge
*
* Copyright (c) 2004 Fabrice Bellard
*
* 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, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* split out pci bus specific stuff from pci.[hc] to pci_bridge.[hc]
* Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
* VA Linux Systems Japan K.K.
*
*/
#ifndef QEMU_PCI_BRIDGE_H
#define QEMU_PCI_BRIDGE_H
#include "hw/pci/pci.h"
int pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset,
uint16_t svid, uint16_t ssid);
PCIDevice *pci_bridge_get_device(PCIBus *bus);
PCIBus *pci_bridge_get_sec_bus(PCIBridge *br);
pcibus_t pci_bridge_get_base(const PCIDevice *bridge, uint8_t type);
pcibus_t pci_bridge_get_limit(const PCIDevice *bridge, uint8_t type);
void pci_bridge_write_config(PCIDevice *d,
uint32_t address, uint32_t val, int len);
void pci_bridge_disable_base_limit(PCIDevice *dev);
void pci_bridge_reset_reg(PCIDevice *dev);
void pci_bridge_reset(DeviceState *qdev);
int pci_bridge_initfn(PCIDevice *pci_dev, const char *typename);
void pci_bridge_exitfn(PCIDevice *pci_dev);
/*
* before qdev initialization(qdev_init()), this function sets bus_name and
* map_irq callback which are necessry for pci_bridge_initfn() to
* initialize bus.
*/
void pci_bridge_map_irq(PCIBridge *br, const char* bus_name,
pci_map_irq_fn map_irq);
/* TODO: add this define to pci_regs.h in linux and then in qemu. */
#define PCI_BRIDGE_CTL_VGA_16BIT 0x10 /* VGA 16-bit decode */
#define PCI_BRIDGE_CTL_DISCARD 0x100 /* Primary discard timer */
#define PCI_BRIDGE_CTL_SEC_DISCARD 0x200 /* Secondary discard timer */
#define PCI_BRIDGE_CTL_DISCARD_STATUS 0x400 /* Discard timer status */
#define PCI_BRIDGE_CTL_DISCARD_SERR 0x800 /* Discard timer SERR# enable */
#endif /* QEMU_PCI_BRIDGE_H */
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