58 lines
2.3 KiB
C
58 lines
2.3 KiB
C
/*
|
|
* QEMU Common PCI Host bridge configuration data space access routines.
|
|
*
|
|
* Copyright (c) 2006 Fabrice Bellard
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
/* Worker routines for a PCI host controller that uses an {address,data}
|
|
register pair to access PCI configuration space. */
|
|
|
|
#ifndef PCI_HOST_H
|
|
#define PCI_HOST_H
|
|
|
|
#include "sysbus.h"
|
|
|
|
struct PCIHostState {
|
|
SysBusDevice busdev;
|
|
MemoryRegion conf_mem;
|
|
MemoryRegion data_mem;
|
|
MemoryRegion mmcfg;
|
|
MemoryRegion *address_space;
|
|
uint32_t config_reg;
|
|
PCIBus *bus;
|
|
};
|
|
|
|
/* common internal helpers for PCI/PCIe hosts, cut off overflows */
|
|
void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
|
|
uint32_t limit, uint32_t val, uint32_t len);
|
|
uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr,
|
|
uint32_t limit, uint32_t len);
|
|
|
|
void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len);
|
|
uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len);
|
|
|
|
extern const MemoryRegionOps pci_host_conf_le_ops;
|
|
extern const MemoryRegionOps pci_host_conf_be_ops;
|
|
extern const MemoryRegionOps pci_host_data_le_ops;
|
|
extern const MemoryRegionOps pci_host_data_be_ops;
|
|
|
|
#endif /* PCI_HOST_H */
|