Merge branch 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm
[linux-2.6/next.git] / arch / powerpc / platforms / iseries / pci.h
blobd9cf974c2718d12410073d4d23ddf8e470080934
1 #ifndef _PLATFORMS_ISERIES_PCI_H
2 #define _PLATFORMS_ISERIES_PCI_H
4 /*
5 * Created by Allan Trautman on Tue Feb 20, 2001.
7 * Define some useful macros for the iSeries pci routines.
8 * Copyright (C) 2001 Allan H Trautman, IBM Corporation
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the:
22 * Free Software Foundation, Inc.,
23 * 59 Temple Place, Suite 330,
24 * Boston, MA 02111-1307 USA
26 * Change Activity:
27 * Created Feb 20, 2001
28 * Added device reset, March 22, 2001
29 * Ported to ppc64, May 25, 2001
30 * End Change Activity
34 * Decodes Linux DevFn to iSeries DevFn, bridge device, or function.
35 * For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h
38 #define ISERIES_PCI_AGENTID(idsel, func) \
39 (((idsel & 0x0F) << 4) | (func & 0x07))
40 #define ISERIES_ENCODE_DEVICE(agentid) \
41 ((0x10) | ((agentid & 0x20) >> 2) | (agentid & 0x07))
43 #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7)
44 #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7)
46 struct pci_dev;
48 #ifdef CONFIG_PCI
49 extern void iSeries_pcibios_init(void);
50 extern void iSeries_pci_final_fixup(void);
51 extern void iSeries_pcibios_fixup_resources(struct pci_dev *dev);
52 #else
53 static inline void iSeries_pcibios_init(void) { }
54 static inline void iSeries_pci_final_fixup(void) { }
55 static inline void iSeries_pcibios_fixup_resources(struct pci_dev *dev) {}
56 #endif
58 #endif /* _PLATFORMS_ISERIES_PCI_H */