WSL2-Linux-Kernel/arch/powerpc/platforms/iseries/pci.h

59 строки
1.9 KiB
C

#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
*/
/*
* 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)
struct pci_dev;
#ifdef CONFIG_PCI
extern void iSeries_pcibios_init(void);
extern void iSeries_pci_final_fixup(void);
extern void iSeries_pcibios_fixup_resources(struct pci_dev *dev);
#else
static inline void iSeries_pcibios_init(void) { }
static inline void iSeries_pci_final_fixup(void) { }
static inline void iSeries_pcibios_fixup_resources(struct pci_dev *dev) {}
#endif
#endif /* _PLATFORMS_ISERIES_PCI_H */