qemu/hw/pci_host.h
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   1/*
   2 * QEMU Common PCI Host bridge configuration data space access routines.
   3 *
   4 * Copyright (c) 2006 Fabrice Bellard
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24
  25/* Worker routines for a PCI host controller that uses an {address,data}
  26   register pair to access PCI configuration space.  */
  27
  28#ifndef PCI_HOST_H
  29#define PCI_HOST_H
  30
  31#include "sysbus.h"
  32#include "rwhandler.h"
  33
  34struct PCIHostState {
  35    SysBusDevice busdev;
  36    ReadWriteHandler conf_noswap_handler;
  37    ReadWriteHandler conf_handler;
  38    ReadWriteHandler data_noswap_handler;
  39    ReadWriteHandler data_handler;
  40    uint32_t config_reg;
  41    PCIBus *bus;
  42};
  43
  44void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len);
  45uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len);
  46
  47/* for mmio */
  48int pci_host_conf_register_mmio(PCIHostState *s, int swap);
  49int pci_host_data_register_mmio(PCIHostState *s, int swap);
  50
  51/* for ioio */
  52void pci_host_conf_register_ioport(pio_addr_t ioport, PCIHostState *s);
  53void pci_host_data_register_ioport(pio_addr_t ioport, PCIHostState *s);
  54
  55#endif /* PCI_HOST_H */
  56