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Stephen Rothwell426c1a12005-10-14 14:51:42 +10001#ifndef _PLATFORMS_ISERIES_PCI_H
2#define _PLATFORMS_ISERIES_PCI_H
Linus Torvalds1da177e2005-04-16 15:20:36 -07003
Stephen Rothwellfcee3892005-06-21 17:15:34 -07004/*
Stephen Rothwell426c1a12005-10-14 14:51:42 +10005 * Created by Allan Trautman on Tue Feb 20, 2001.
Stephen Rothwellfcee3892005-06-21 17:15:34 -07006 *
7 * Define some useful macros for the iSeries pci routines.
8 * Copyright (C) 2001 Allan H Trautman, IBM Corporation
9 *
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.
14 *
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.
19 *
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
25 *
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
31 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
Stephen Rothwellfcee3892005-06-21 17:15:34 -070033struct pci_dev; /* For Forward Reference */
Linus Torvalds1da177e2005-04-16 15:20:36 -070034
Stephen Rothwellfcee3892005-06-21 17:15:34 -070035/*
Stephen Rothwellfcee3892005-06-21 17:15:34 -070036 * Decodes Linux DevFn to iSeries DevFn, bridge device, or function.
37 * For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h
38 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
Stephen Rothwellfcee3892005-06-21 17:15:34 -070040#define ISERIES_PCI_AGENTID(idsel, func) \
Stephen Rothwell6b7feec2005-06-21 17:15:35 -070041 (((idsel & 0x0F) << 4) | (func & 0x07))
Stephen Rothwellfcee3892005-06-21 17:15:34 -070042#define ISERIES_ENCODE_DEVICE(agentid) \
43 ((0x10) | ((agentid & 0x20) >> 2) | (agentid & 0x07))
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
Stephen Rothwellfcee3892005-06-21 17:15:34 -070045#define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7)
46#define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7)
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
Stephen Rothwell061c0632005-06-21 17:15:48 -070048extern void iSeries_Device_Information(struct pci_dev*, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -070049
Stephen Rothwell426c1a12005-10-14 14:51:42 +100050#endif /* _PLATFORMS_ISERIES_PCI_H */