cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

pbm.h (1505B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 *
      4 * pbm.h: PCI bus module pseudo driver software state
      5 *        Adopted from sparc64 by V. Roganov and G. Raiko
      6 *
      7 * Original header:
      8 * pbm.h: U2P PCI bus module pseudo driver software state.
      9 *
     10 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
     11 *
     12 * To put things into perspective, consider sparc64 with a few PCI controllers.
     13 * Each type would have an own structure, with instances related one to one.
     14 * We have only pcic on sparc, but we want to be compatible with sparc64 pbm.h.
     15 * All three represent different abstractions.
     16 *   pci_bus  - Linux PCI subsystem view of a PCI bus (including bridged buses)
     17 *   pbm      - Arch-specific view of a PCI bus (sparc or sparc64)
     18 *   pcic     - Chip-specific information for PCIC.
     19 */
     20
     21#ifndef __SPARC_PBM_H
     22#define __SPARC_PBM_H
     23
     24#include <linux/pci.h>
     25#include <asm/oplib.h>
     26#include <asm/prom.h>
     27
     28struct linux_pbm_info {
     29	int		prom_node;
     30	char		prom_name[64];
     31	/* struct linux_prom_pci_ranges	pbm_ranges[PROMREG_MAX]; */
     32	/* int		num_pbm_ranges; */
     33
     34	/* Now things for the actual PCI bus probes. */
     35	unsigned int	pci_first_busno;	/* Can it be nonzero? */
     36	struct pci_bus	*pci_bus;		/* Was inline, MJ allocs now */
     37};
     38
     39/* PCI devices which are not bridges have this placed in their pci_dev
     40 * sysdata member.  This makes OBP aware PCI device drivers easier to
     41 * code.
     42 */
     43struct pcidev_cookie {
     44	struct linux_pbm_info		*pbm;
     45	struct device_node		*prom_node;
     46};
     47
     48#endif /* !(__SPARC_PBM_H) */