apic: move target-dependent definitions to cpu.h
[qemu.git] / include / hw / pci / pci_bridge.h
1 /*
2 * QEMU PCI bridge
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 *
20 * split out pci bus specific stuff from pci.[hc] to pci_bridge.[hc]
21 * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
22 * VA Linux Systems Japan K.K.
23 *
24 */
25
26 #ifndef QEMU_PCI_BRIDGE_H
27 #define QEMU_PCI_BRIDGE_H
28
29 #include "hw/pci/pci.h"
30
31 #define PCI_BRIDGE_DEV_PROP_CHASSIS_NR "chassis_nr"
32 #define PCI_BRIDGE_DEV_PROP_MSI "msi"
33 #define PCI_BRIDGE_DEV_PROP_SHPC "shpc"
34
35 int pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset,
36 uint16_t svid, uint16_t ssid);
37
38 PCIDevice *pci_bridge_get_device(PCIBus *bus);
39 PCIBus *pci_bridge_get_sec_bus(PCIBridge *br);
40
41 pcibus_t pci_bridge_get_base(const PCIDevice *bridge, uint8_t type);
42 pcibus_t pci_bridge_get_limit(const PCIDevice *bridge, uint8_t type);
43
44 void pci_bridge_update_mappings(PCIBridge *br);
45 void pci_bridge_write_config(PCIDevice *d,
46 uint32_t address, uint32_t val, int len);
47 void pci_bridge_disable_base_limit(PCIDevice *dev);
48 void pci_bridge_reset_reg(PCIDevice *dev);
49 void pci_bridge_reset(DeviceState *qdev);
50
51 void pci_bridge_initfn(PCIDevice *pci_dev, const char *typename);
52 void pci_bridge_exitfn(PCIDevice *pci_dev);
53
54
55 /*
56 * before qdev initialization(qdev_init()), this function sets bus_name and
57 * map_irq callback which are necessry for pci_bridge_initfn() to
58 * initialize bus.
59 */
60 void pci_bridge_map_irq(PCIBridge *br, const char* bus_name,
61 pci_map_irq_fn map_irq);
62
63 /* TODO: add this define to pci_regs.h in linux and then in qemu. */
64 #define PCI_BRIDGE_CTL_VGA_16BIT 0x10 /* VGA 16-bit decode */
65 #define PCI_BRIDGE_CTL_DISCARD 0x100 /* Primary discard timer */
66 #define PCI_BRIDGE_CTL_SEC_DISCARD 0x200 /* Secondary discard timer */
67 #define PCI_BRIDGE_CTL_DISCARD_STATUS 0x400 /* Discard timer status */
68 #define PCI_BRIDGE_CTL_DISCARD_SERR 0x800 /* Discard timer SERR# enable */
69
70 #endif /* QEMU_PCI_BRIDGE_H */