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#ifndef _PLATFORMS_ISERIES_PCI_H
#define _PLATFORMS_ISERIES_PCI_H
/*
* Created by Allan Trautman on Tue Feb 20, 2001.
*
* Define some useful macros for the iSeries pci routines.
* Copyright (C) 2001 Allan H Trautman, IBM Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the:
* Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* Change Activity:
* Created Feb 20, 2001
* Added device reset, March 22, 2001
* Ported to ppc64, May 25, 2001
* End Change Activity
*/
#include <asm/pci-bridge.h>
struct pci_dev; /* For Forward Reference */
/*
* Decodes Linux DevFn to iSeries DevFn, bridge device, or function.
* For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h
*/
#define ISERIES_PCI_AGENTID(idsel, func) \
(((idsel & 0x0F) << 4) | (func & 0x07))
#define ISERIES_ENCODE_DEVICE(agentid) \
((0x10) | ((agentid & 0x20) >> 2) | (agentid & 0x07))
#define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7)
#define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7)
/*
* Generate a Direct Select Address for the Hypervisor
*/
static inline u64 iseries_ds_addr(struct device_node *node)
{
struct pci_dn *pdn = PCI_DN(node);
return ((u64)pdn->busno << 48) + ((u64)pdn->bussubno << 40)
+ ((u64)0x10 << 32);
}
extern void iSeries_Device_Information(struct pci_dev*, int);
#ifdef CONFIG_PCI
extern void iSeries_pci_final_fixup(void);
#else
static void iSeries_pci_final_fixup(void) { }
#endif
#endif /* _PLATFORMS_ISERIES_PCI_H */
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