1 /* 2 * 3 * pbm.h: PCI bus module pseudo driver software state 4 * Adopted from sparc64 by V. Roganov and G. Raiko 5 * 6 * Original header: 7 * pbm.h: U2P PCI bus module pseudo driver software state. 8 * 9 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) 10 * 11 * To put things into perspective, consider sparc64 with a few PCI controllers. 12 * Each type would have an own structure, with instances related one to one. 13 * We have only pcic on sparc, but we want to be compatible with sparc64 pbm.h. 14 * All three represent different abstractions. 15 * pci_bus - Linux PCI subsystem view of a PCI bus (including bridged buses) 16 * pbm - Arch-specific view of a PCI bus (sparc or sparc64) 17 * pcic - Chip-specific information for PCIC. 18 */ 19 20 #ifndef __SPARC_PBM_H 21 #define __SPARC_PBM_H 22 23 #include <linux/pci.h> 24 #include <asm/oplib.h> 25 #include <asm/prom.h> 26 27 struct linux_pbm_info { 28 int prom_node; 29 char prom_name[64]; 30 /* struct linux_prom_pci_ranges pbm_ranges[PROMREG_MAX]; */ 31 /* int num_pbm_ranges; */ 32 33 /* Now things for the actual PCI bus probes. */ 34 unsigned int pci_first_busno; /* Can it be nonzero? */ 35 struct pci_bus *pci_bus; /* Was inline, MJ allocs now */ 36 }; 37 38 /* PCI devices which are not bridges have this placed in their pci_dev 39 * sysdata member. This makes OBP aware PCI device drivers easier to 40 * code. 41 */ 42 struct pcidev_cookie { 43 struct linux_pbm_info *pbm; 44 struct device_node *prom_node; 45 }; 46 47 #endif /* !(__SPARC_PBM_H) */ 48