pbrook | 502a539 | 2006-05-13 16:11:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU Common PCI Host bridge configuration data space access routines. |
| 3 | * |
| 4 | * Copyright (c) 2006 Fabrice Bellard |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 5 | * |
pbrook | 502a539 | 2006-05-13 16:11:23 +0000 | [diff] [blame] | 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 | |
Isaku Yamahata | 4f5e19e | 2009-10-30 21:21:06 +0900 | [diff] [blame] | 28 | #ifndef PCI_HOST_H |
| 29 | #define PCI_HOST_H |
blueswir1 | 8026037 | 2009-01-08 18:52:52 +0000 | [diff] [blame] | 30 | |
Gerd Hoffmann | 8a14daa | 2009-07-22 15:17:01 +0200 | [diff] [blame] | 31 | #include "sysbus.h" |
| 32 | |
Isaku Yamahata | fb47a2e | 2009-11-12 14:58:41 +0900 | [diff] [blame] | 33 | struct PCIHostState { |
Gerd Hoffmann | 8a14daa | 2009-07-22 15:17:01 +0200 | [diff] [blame] | 34 | SysBusDevice busdev; |
Avi Kivity | d0ed807 | 2011-07-24 17:47:18 +0300 | [diff] [blame] | 35 | MemoryRegion conf_mem; |
| 36 | MemoryRegion data_mem; |
Avi Kivity | f81138c | 2011-11-21 17:16:57 +0200 | [diff] [blame] | 37 | MemoryRegion mmcfg; |
Avi Kivity | 1e39101 | 2011-07-26 14:26:19 +0300 | [diff] [blame] | 38 | MemoryRegion *address_space; |
pbrook | 502a539 | 2006-05-13 16:11:23 +0000 | [diff] [blame] | 39 | uint32_t config_reg; |
| 40 | PCIBus *bus; |
Isaku Yamahata | fb47a2e | 2009-11-12 14:58:41 +0900 | [diff] [blame] | 41 | }; |
pbrook | 502a539 | 2006-05-13 16:11:23 +0000 | [diff] [blame] | 42 | |
Jan Kiszka | 42e4126 | 2011-07-22 11:05:01 +0200 | [diff] [blame] | 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 | |
Isaku Yamahata | b6243d9 | 2009-11-12 14:58:30 +0900 | [diff] [blame] | 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 | |
Avi Kivity | d0ed807 | 2011-07-24 17:47:18 +0300 | [diff] [blame] | 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; |
pbrook | 502a539 | 2006-05-13 16:11:23 +0000 | [diff] [blame] | 56 | |
Isaku Yamahata | 4f5e19e | 2009-10-30 21:21:06 +0900 | [diff] [blame] | 57 | #endif /* PCI_HOST_H */ |