cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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superhyway.h (2878B)

      1/*
      2 * include/linux/superhyway.h
      3 *
      4 * SuperHyway Bus definitions
      5 *
      6 * Copyright (C) 2004, 2005  Paul Mundt <lethal@linux-sh.org>
      7 *
      8 * This file is subject to the terms and conditions of the GNU General Public
      9 * License.  See the file "COPYING" in the main directory of this archive
     10 * for more details.
     11 */
     12#ifndef __LINUX_SUPERHYWAY_H
     13#define __LINUX_SUPERHYWAY_H
     14
     15#include <linux/device.h>
     16
     17/*
     18 * SuperHyway IDs
     19 */
     20#define SUPERHYWAY_DEVICE_ID_SH5_DMAC	0x0183
     21
     22struct superhyway_vcr_info {
     23	u8	perr_flags;	/* P-port Error flags */
     24	u8	merr_flags;	/* Module Error flags */
     25	u16	mod_vers;	/* Module Version */
     26	u16	mod_id;		/* Module ID */
     27	u8	bot_mb;		/* Bottom Memory block */
     28	u8	top_mb;		/* Top Memory block */
     29};
     30
     31struct superhyway_ops {
     32	int (*read_vcr)(unsigned long base, struct superhyway_vcr_info *vcr);
     33	int (*write_vcr)(unsigned long base, struct superhyway_vcr_info vcr);
     34};
     35
     36struct superhyway_bus {
     37	struct superhyway_ops *ops;
     38};
     39
     40extern struct superhyway_bus superhyway_channels[];
     41
     42struct superhyway_device_id {
     43	unsigned int id;
     44	unsigned long driver_data;
     45};
     46
     47struct superhyway_device;
     48extern struct bus_type superhyway_bus_type;
     49
     50struct superhyway_driver {
     51	char *name;
     52
     53	const struct superhyway_device_id *id_table;
     54	struct device_driver drv;
     55
     56	int (*probe)(struct superhyway_device *dev, const struct superhyway_device_id *id);
     57	void (*remove)(struct superhyway_device *dev);
     58};
     59
     60#define to_superhyway_driver(d)	container_of((d), struct superhyway_driver, drv)
     61
     62struct superhyway_device {
     63	char name[32];
     64
     65	struct device dev;
     66
     67	struct superhyway_device_id id;
     68	struct superhyway_driver *drv;
     69	struct superhyway_bus *bus;
     70
     71	int num_resources;
     72	struct resource *resource;
     73	struct superhyway_vcr_info vcr;
     74};
     75
     76#define to_superhyway_device(d)	container_of((d), struct superhyway_device, dev)
     77
     78#define superhyway_get_drvdata(d)	dev_get_drvdata(&(d)->dev)
     79#define superhyway_set_drvdata(d,p)	dev_set_drvdata(&(d)->dev, (p))
     80
     81static inline int
     82superhyway_read_vcr(struct superhyway_device *dev, unsigned long base,
     83		    struct superhyway_vcr_info *vcr)
     84{
     85	return dev->bus->ops->read_vcr(base, vcr);
     86}
     87
     88static inline int
     89superhyway_write_vcr(struct superhyway_device *dev, unsigned long base,
     90		     struct superhyway_vcr_info vcr)
     91{
     92	return dev->bus->ops->write_vcr(base, vcr);
     93}
     94
     95extern int superhyway_scan_bus(struct superhyway_bus *);
     96
     97/* drivers/sh/superhyway/superhyway.c */
     98int superhyway_register_driver(struct superhyway_driver *);
     99void superhyway_unregister_driver(struct superhyway_driver *);
    100int superhyway_add_device(unsigned long base, struct superhyway_device *, struct superhyway_bus *);
    101int superhyway_add_devices(struct superhyway_bus *bus, struct superhyway_device **devices, int nr_devices);
    102
    103/* drivers/sh/superhyway/superhyway-sysfs.c */
    104extern const struct attribute_group *superhyway_dev_groups[];
    105
    106#endif /* __LINUX_SUPERHYWAY_H */
    107