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2a709f28fa
* 0day explit mitigation * Memory corruption prevention * Privilege escalation prevention * Buffer over flow prevention * File System corruption defense * Thread escape prevention This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/*
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* Copyright 2016 Broadcom
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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, version 2, as
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* published by the Free Software Foundation (the "GPL").
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License version 2 (GPLv2) 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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* version 2 (GPLv2) along with this source code.
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*/
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#ifndef DRIVERS_PCI_ECAM_H
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#define DRIVERS_PCI_ECAM_H
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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/*
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* struct to hold pci ops and bus shift of the config window
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* for a PCI controller.
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*/
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struct pci_config_window;
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struct pci_ecam_ops {
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unsigned int bus_shift;
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struct pci_ops pci_ops;
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int (*init)(struct pci_config_window *);
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};
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/*
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* struct to hold the mappings of a config space window. This
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* is expected to be used as sysdata for PCI controllers that
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* use ECAM.
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*/
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struct pci_config_window {
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struct resource res;
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struct resource busr;
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void *priv;
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struct pci_ecam_ops *ops;
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union {
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void __iomem *win; /* 64-bit single mapping */
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void __iomem **winp; /* 32-bit per-bus mapping */
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};
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struct device *parent;/* ECAM res was from this dev */
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};
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/* create and free pci_config_window */
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struct pci_config_window *pci_ecam_create(struct device *dev,
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struct resource *cfgres, struct resource *busr,
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struct pci_ecam_ops *ops);
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void pci_ecam_free(struct pci_config_window *cfg);
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/* map_bus when ->sysdata is an instance of pci_config_window */
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void __iomem *pci_ecam_map_bus(struct pci_bus *bus, unsigned int devfn,
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int where);
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/* default ECAM ops */
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extern struct pci_ecam_ops pci_generic_ecam_ops;
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#ifdef CONFIG_PCI_HOST_GENERIC
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/* for DT-based PCI controllers that support ECAM */
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int pci_host_common_probe(struct platform_device *pdev,
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struct pci_ecam_ops *ops);
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#endif
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#endif
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