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pbrook502a5392006-05-13 16:11:23 +00001/*
2 * QEMU Common PCI Host bridge configuration data space access routines.
3 *
4 * Copyright (c) 2006 Fabrice Bellard
ths5fafdf22007-09-16 21:08:06 +00005 *
pbrook502a5392006-05-13 16:11:23 +00006 * 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
Isaku Yamahata4f5e19e2009-10-30 21:21:06 +090028#ifndef PCI_HOST_H
29#define PCI_HOST_H
blueswir180260372009-01-08 18:52:52 +000030
Gerd Hoffmann8a14daa2009-07-22 15:17:01 +020031#include "sysbus.h"
32
Isaku Yamahatafb47a2e2009-11-12 14:58:41 +090033struct PCIHostState {
Gerd Hoffmann8a14daa2009-07-22 15:17:01 +020034 SysBusDevice busdev;
Avi Kivityd0ed8072011-07-24 17:47:18 +030035 MemoryRegion conf_mem;
36 MemoryRegion data_mem;
Avi Kivityf81138c2011-11-21 17:16:57 +020037 MemoryRegion mmcfg;
Avi Kivity1e391012011-07-26 14:26:19 +030038 MemoryRegion *address_space;
pbrook502a5392006-05-13 16:11:23 +000039 uint32_t config_reg;
40 PCIBus *bus;
Isaku Yamahatafb47a2e2009-11-12 14:58:41 +090041};
pbrook502a5392006-05-13 16:11:23 +000042
Jan Kiszka42e41262011-07-22 11:05:01 +020043/* common internal helpers for PCI/PCIe hosts, cut off overflows */
44void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
45 uint32_t limit, uint32_t val, uint32_t len);
46uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr,
47 uint32_t limit, uint32_t len);
48
Isaku Yamahatab6243d92009-11-12 14:58:30 +090049void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len);
50uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len);
51
Avi Kivityd0ed8072011-07-24 17:47:18 +030052extern const MemoryRegionOps pci_host_conf_le_ops;
53extern const MemoryRegionOps pci_host_conf_be_ops;
54extern const MemoryRegionOps pci_host_data_le_ops;
55extern const MemoryRegionOps pci_host_data_be_ops;
pbrook502a5392006-05-13 16:11:23 +000056
Isaku Yamahata4f5e19e2009-10-30 21:21:06 +090057#endif /* PCI_HOST_H */