pci: move pci core code to hw/pci
[qemu/ar7.git] / hw / pci / pci_host.h
blob4b9c300fcf93e6cb4657af589ce22060cb4571b2
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"
33 #define TYPE_PCI_HOST_BRIDGE "pci-host-bridge"
34 #define PCI_HOST_BRIDGE(obj) \
35 OBJECT_CHECK(PCIHostState, (obj), TYPE_PCI_HOST_BRIDGE)
37 struct PCIHostState {
38 SysBusDevice busdev;
40 MemoryRegion conf_mem;
41 MemoryRegion data_mem;
42 MemoryRegion mmcfg;
43 MemoryRegion *address_space;
44 uint32_t config_reg;
45 PCIBus *bus;
48 /* common internal helpers for PCI/PCIe hosts, cut off overflows */
49 void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
50 uint32_t limit, uint32_t val, uint32_t len);
51 uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr,
52 uint32_t limit, uint32_t len);
54 void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len);
55 uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len);
57 extern const MemoryRegionOps pci_host_conf_le_ops;
58 extern const MemoryRegionOps pci_host_conf_be_ops;
59 extern const MemoryRegionOps pci_host_data_le_ops;
60 extern const MemoryRegionOps pci_host_data_be_ops;
62 #endif /* PCI_HOST_H */