root / hw / pci_host.h @ be62a2eb
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1 | 502a5395 | pbrook | /*
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2 | 502a5395 | pbrook | * QEMU Common PCI Host bridge configuration data space access routines.
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3 | 502a5395 | pbrook | *
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4 | 502a5395 | pbrook | * Copyright (c) 2006 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | 502a5395 | pbrook | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 502a5395 | pbrook | * of this software and associated documentation files (the "Software"), to deal
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8 | 502a5395 | pbrook | * in the Software without restriction, including without limitation the rights
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9 | 502a5395 | pbrook | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 502a5395 | pbrook | * copies of the Software, and to permit persons to whom the Software is
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11 | 502a5395 | pbrook | * furnished to do so, subject to the following conditions:
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12 | 502a5395 | pbrook | *
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13 | 502a5395 | pbrook | * The above copyright notice and this permission notice shall be included in
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14 | 502a5395 | pbrook | * all copies or substantial portions of the Software.
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15 | 502a5395 | pbrook | *
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16 | 502a5395 | pbrook | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 502a5395 | pbrook | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 502a5395 | pbrook | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 502a5395 | pbrook | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 502a5395 | pbrook | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 502a5395 | pbrook | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 502a5395 | pbrook | * THE SOFTWARE.
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23 | 502a5395 | pbrook | */
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24 | 502a5395 | pbrook | |
25 | 502a5395 | pbrook | /* Worker routines for a PCI host controller that uses an {address,data}
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26 | 502a5395 | pbrook | register pair to access PCI configuration space. */
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27 | 502a5395 | pbrook | |
28 | 4f5e19e6 | Isaku Yamahata | #ifndef PCI_HOST_H
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29 | 4f5e19e6 | Isaku Yamahata | #define PCI_HOST_H
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30 | 8026037b | blueswir1 | |
31 | 8a14daa5 | Gerd Hoffmann | #include "sysbus.h" |
32 | 8a14daa5 | Gerd Hoffmann | |
33 | fb47a2e9 | Isaku Yamahata | struct PCIHostState {
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34 | 8a14daa5 | Gerd Hoffmann | SysBusDevice busdev; |
35 | d0ed8076 | Avi Kivity | MemoryRegion conf_mem; |
36 | d0ed8076 | Avi Kivity | MemoryRegion data_mem; |
37 | f81138ce | Avi Kivity | MemoryRegion mmcfg; |
38 | 1e39101c | Avi Kivity | MemoryRegion *address_space; |
39 | 502a5395 | pbrook | uint32_t config_reg; |
40 | 502a5395 | pbrook | PCIBus *bus; |
41 | fb47a2e9 | Isaku Yamahata | }; |
42 | 502a5395 | pbrook | |
43 | 42e4126b | Jan Kiszka | /* common internal helpers for PCI/PCIe hosts, cut off overflows */
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44 | 42e4126b | Jan Kiszka | void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
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45 | 42e4126b | Jan Kiszka | uint32_t limit, uint32_t val, uint32_t len); |
46 | 42e4126b | Jan Kiszka | uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr, |
47 | 42e4126b | Jan Kiszka | uint32_t limit, uint32_t len); |
48 | 42e4126b | Jan Kiszka | |
49 | b6243d99 | Isaku Yamahata | void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len); |
50 | b6243d99 | Isaku Yamahata | uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len);
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51 | b6243d99 | Isaku Yamahata | |
52 | d0ed8076 | Avi Kivity | extern const MemoryRegionOps pci_host_conf_le_ops; |
53 | d0ed8076 | Avi Kivity | extern const MemoryRegionOps pci_host_conf_be_ops; |
54 | d0ed8076 | Avi Kivity | extern const MemoryRegionOps pci_host_data_le_ops; |
55 | d0ed8076 | Avi Kivity | extern const MemoryRegionOps pci_host_data_be_ops; |
56 | 502a5395 | pbrook | |
57 | 4f5e19e6 | Isaku Yamahata | #endif /* PCI_HOST_H */ |