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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.
106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/*
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* Allwinner Reduced Serial Bus Driver
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*
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* Copyright (c) 2015 Chen-Yu Tsai
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*
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* Author: Chen-Yu Tsai <wens@csie.org>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef _SUNXI_RSB_H
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#define _SUNXI_RSB_H
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#include <linux/device.h>
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#include <linux/regmap.h>
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#include <linux/types.h>
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struct sunxi_rsb;
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/**
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* struct sunxi_rsb_device - Basic representation of an RSB device
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* @dev: Driver model representation of the device.
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* @ctrl: RSB controller managing the bus hosting this device.
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* @rtaddr: This device's runtime address
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* @hwaddr: This device's hardware address
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*/
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struct sunxi_rsb_device {
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struct device dev;
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struct sunxi_rsb *rsb;
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int irq;
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u8 rtaddr;
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u16 hwaddr;
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};
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static inline struct sunxi_rsb_device *to_sunxi_rsb_device(struct device *d)
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{
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return container_of(d, struct sunxi_rsb_device, dev);
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}
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static inline void *sunxi_rsb_device_get_drvdata(const struct sunxi_rsb_device *rdev)
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{
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return dev_get_drvdata(&rdev->dev);
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}
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static inline void sunxi_rsb_device_set_drvdata(struct sunxi_rsb_device *rdev,
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void *data)
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{
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dev_set_drvdata(&rdev->dev, data);
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}
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/**
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* struct sunxi_rsb_driver - RSB slave device driver
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* @driver: RSB device drivers should initialize name and owner field of
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* this structure.
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* @probe: binds this driver to a RSB device.
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* @remove: unbinds this driver from the RSB device.
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*/
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struct sunxi_rsb_driver {
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struct device_driver driver;
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int (*probe)(struct sunxi_rsb_device *rdev);
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int (*remove)(struct sunxi_rsb_device *rdev);
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};
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static inline struct sunxi_rsb_driver *to_sunxi_rsb_driver(struct device_driver *d)
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{
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return container_of(d, struct sunxi_rsb_driver, driver);
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}
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int sunxi_rsb_driver_register(struct sunxi_rsb_driver *rdrv);
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/**
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* sunxi_rsb_driver_unregister() - unregister an RSB client driver
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* @rdrv: the driver to unregister
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*/
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static inline void sunxi_rsb_driver_unregister(struct sunxi_rsb_driver *rdrv)
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{
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if (rdrv)
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driver_unregister(&rdrv->driver);
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}
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#define module_sunxi_rsb_driver(__sunxi_rsb_driver) \
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module_driver(__sunxi_rsb_driver, sunxi_rsb_driver_register, \
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sunxi_rsb_driver_unregister)
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struct regmap *__devm_regmap_init_sunxi_rsb(struct sunxi_rsb_device *rdev,
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const struct regmap_config *config,
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struct lock_class_key *lock_key,
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const char *lock_name);
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/**
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* devm_regmap_init_sunxi_rsb(): Initialise managed register map
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*
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* @rdev: Device that will be interacted with
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* @config: Configuration for register map
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*
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* The return value will be an ERR_PTR() on error or a valid pointer
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* to a struct regmap. The regmap will be automatically freed by the
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* device management code.
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*/
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#define devm_regmap_init_sunxi_rsb(rdev, config) \
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__regmap_lockdep_wrapper(__devm_regmap_init_sunxi_rsb, #config, \
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rdev, config)
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#endif /* _SUNXI_RSB_H */
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