Annotation of qemu/hw/pci_host.h, revision 1.1.1.9

1.1       root        1: /*
                      2:  * QEMU Common PCI Host bridge configuration data space access routines.
                      3:  *
                      4:  * Copyright (c) 2006 Fabrice Bellard
1.1.1.2   root        5:  *
1.1       root        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:
                     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: 
1.1.1.5   root       28: #ifndef PCI_HOST_H
                     29: #define PCI_HOST_H
1.1.1.3   root       30: 
1.1.1.5   root       31: #include "sysbus.h"
1.1.1.3   root       32: 
1.1.1.5   root       33: struct PCIHostState {
                     34:     SysBusDevice busdev;
1.1.1.8   root       35:     MemoryRegion conf_mem;
                     36:     MemoryRegion data_mem;
1.1.1.9 ! root       37:     MemoryRegion mmcfg;
1.1.1.8   root       38:     MemoryRegion *address_space;
1.1       root       39:     uint32_t config_reg;
                     40:     PCIBus *bus;
1.1.1.5   root       41: };
1.1       root       42: 
1.1.1.8   root       43: /* common internal helpers for PCI/PCIe hosts, cut off overflows */
                     44: void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
                     45:                                   uint32_t limit, uint32_t val, uint32_t len);
                     46: uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr,
                     47:                                      uint32_t limit, uint32_t len);
                     48: 
1.1.1.5   root       49: void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len);
                     50: uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len);
                     51: 
1.1.1.8   root       52: extern const MemoryRegionOps pci_host_conf_le_ops;
                     53: extern const MemoryRegionOps pci_host_conf_be_ops;
                     54: extern const MemoryRegionOps pci_host_data_le_ops;
                     55: extern const MemoryRegionOps pci_host_data_be_ops;
1.1.1.5   root       56: 
                     57: #endif /* PCI_HOST_H */

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