LXR qemu/include/hw/pci/pci

   1/*
   2 * QEMU PCI bridge
   3 *
   4 * Copyright (c) 2004 Fabrice Bellard
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 *
  20 * split out pci bus specific stuff from pci.[hc] to pci_bridge.[hc]
  21 * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
  22 *                    VA Linux Systems Japan K.K.
  23 *
  24 */
  25
  26#ifndef QEMU_PCI_BRIDGE_H
  27#define QEMU_PCI_BRIDGE_H
  28
  29#include "hw/pci/pci.h"
  30
  31int pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset,
  32                          uint16_t svid, uint16_t ssid);
  33
  34PCIDevice *pci_bridge_get_device(PCIBus *bus);
  35PCIBus *pci_bridge_get_sec_bus(PCIBridge *br);
  36
  37pcibus_t pci_bridge_get_base(const PCIDevice *bridge, uint8_t type);
  38pcibus_t pci_bridge_get_limit(const PCIDevice *bridge, uint8_t type);
  39
  40void pci_bridge_update_mappings(PCIBridge *br);
  41void pci_bridge_write_config(PCIDevice *d,
  42                             uint32_t address, uint32_t val, int len);
  43void pci_bridge_disable_base_limit(PCIDevice *dev);
  44void pci_bridge_reset_reg(PCIDevice *dev);
  45void pci_bridge_reset(DeviceState *qdev);
  46
  47int pci_bridge_initfn(PCIDevice *pci_dev, const char *typename);
  48void pci_bridge_exitfn(PCIDevice *pci_dev);
  49
  50
  51/*
  52 * before qdev initialization(qdev_init()), this function sets bus_name and
  53 * map_irq callback which are necessry for pci_bridge_initfn() to
  54 * initialize bus.
  55 */
  56void pci_bridge_map_irq(PCIBridge *br, const char* bus_name,
  57                        pci_map_irq_fn map_irq);
  58
  59/* TODO: add this define to pci_regs.h in linux and then in qemu. */
  60#define  PCI_BRIDGE_CTL_VGA_16BIT       0x10    /* VGA 16-bit decode */
  61#define  PCI_BRIDGE_CTL_DISCARD         0x100   /* Primary discard timer */
  62#define  PCI_BRIDGE_CTL_SEC_DISCARD     0x200   /* Secondary discard timer */
  63#define  PCI_BRIDGE_CTL_DISCARD_STATUS  0x400   /* Discard timer status */
  64#define  PCI_BRIDGE_CTL_DISCARD_SERR    0x800   /* Discard timer SERR# enable */
  65
  66#endif  /* QEMU_PCI_BRIDGE_H */
  67