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- /*
- * 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"
- #define TYPE_PCI_HOST_BRIDGE "pci-host-bridge"
- #define PCI_HOST_BRIDGE(obj) \
- OBJECT_CHECK(PCIHostState, (obj), TYPE_PCI_HOST_BRIDGE)
- 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 */
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