Revert "usb-linux: remove unreachable default in switch statement"
[qemu.git] / hw / pci_host.h
blob5ff64430ede166faaaa8cf3397b32ff2362fe007
1 /*
2 * QEMU Common PCI Host bridge configuration data space access routines.
4 * Copyright (c) 2006 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
25 /* Worker routines for a PCI host controller that uses an {address,data}
26 register pair to access PCI configuration space. */
28 #ifndef PCI_HOST_H
29 #define PCI_HOST_H
31 #include "sysbus.h"
32 #include "rwhandler.h"
34 struct PCIHostState {
35 SysBusDevice busdev;
36 ReadWriteHandler conf_noswap_handler;
37 ReadWriteHandler conf_handler;
38 ReadWriteHandler data_handler;
39 uint32_t config_reg;
40 PCIBus *bus;
43 void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len);
44 uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len);
46 /* for mmio */
47 int pci_host_conf_register_mmio(PCIHostState *s);
48 int pci_host_conf_register_mmio_noswap(PCIHostState *s);
49 int pci_host_data_register_mmio(PCIHostState *s);
51 /* for ioio */
52 void pci_host_conf_register_ioport(pio_addr_t ioport, PCIHostState *s);
53 void pci_host_data_register_ioport(pio_addr_t ioport, PCIHostState *s);
55 #endif /* PCI_HOST_H */