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