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/* SPDX-License-Identifier: GPL-2.0 */
/*
*
* pbm.h: PCI bus module pseudo driver software state
* Adopted from sparc64 by V. Roganov and G. Raiko
*
* Original header:
* pbm.h: U2P PCI bus module pseudo driver software state.
*
* Copyright (C) 1997 David S. Miller ([email protected])
*
* To put things into perspective, consider sparc64 with a few PCI controllers.
* Each type would have an own structure, with instances related one to one.
* We have only pcic on sparc, but we want to be compatible with sparc64 pbm.h.
* All three represent different abstractions.
* pci_bus - Linux PCI subsystem view of a PCI bus (including bridged buses)
* pbm - Arch-specific view of a PCI bus (sparc or sparc64)
* pcic - Chip-specific information for PCIC.
*/
#ifndef __SPARC_PBM_H
#define __SPARC_PBM_H
#include <linux/pci.h>
#include <asm/oplib.h>
#include <asm/prom.h>
struct linux_pbm_info {
int prom_node;
char prom_name[64];
/* struct linux_prom_pci_ranges pbm_ranges[PROMREG_MAX]; */
/* int num_pbm_ranges; */
/* Now things for the actual PCI bus probes. */
unsigned int pci_first_busno; /* Can it be nonzero? */
struct pci_bus *pci_bus; /* Was inline, MJ allocs now */
};
/* PCI devices which are not bridges have this placed in their pci_dev
* sysdata member. This makes OBP aware PCI device drivers easier to
* code.
*/
struct pcidev_cookie {
struct linux_pbm_info *pbm;
struct device_node *prom_node;
};
#endif /* !(__SPARC_PBM_H) */