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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anybuss-client.h (2701B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Anybus-S client adapter definitions
      4 *
      5 * Copyright 2018 Arcx Inc
      6 */
      7
      8#ifndef __LINUX_ANYBUSS_CLIENT_H__
      9#define __LINUX_ANYBUSS_CLIENT_H__
     10
     11#include <linux/device.h>
     12#include <linux/types.h>
     13#include <linux/poll.h>
     14
     15/* move to <linux/fieldbus_dev.h> when taking this out of staging */
     16#include "../fieldbus_dev.h"
     17
     18struct anybuss_host;
     19
     20struct anybuss_client {
     21	struct device dev;
     22	struct anybuss_host *host;
     23	__be16 anybus_id;
     24	/*
     25	 * these can be optionally set by the client to receive event
     26	 * notifications from the host.
     27	 */
     28	void (*on_area_updated)(struct anybuss_client *client);
     29	void (*on_online_changed)(struct anybuss_client *client, bool online);
     30};
     31
     32struct anybuss_client_driver {
     33	struct device_driver driver;
     34	int (*probe)(struct anybuss_client *adev);
     35	void (*remove)(struct anybuss_client *adev);
     36	u16 anybus_id;
     37};
     38
     39int anybuss_client_driver_register(struct anybuss_client_driver *drv);
     40void anybuss_client_driver_unregister(struct anybuss_client_driver *drv);
     41
     42static inline struct anybuss_client *to_anybuss_client(struct device *dev)
     43{
     44	return container_of(dev, struct anybuss_client, dev);
     45}
     46
     47static inline struct anybuss_client_driver *
     48to_anybuss_client_driver(struct device_driver *drv)
     49{
     50	return container_of(drv, struct anybuss_client_driver, driver);
     51}
     52
     53static inline void *
     54anybuss_get_drvdata(const struct anybuss_client *client)
     55{
     56	return dev_get_drvdata(&client->dev);
     57}
     58
     59static inline void
     60anybuss_set_drvdata(struct anybuss_client *client, void *data)
     61{
     62	dev_set_drvdata(&client->dev, data);
     63}
     64
     65int anybuss_set_power(struct anybuss_client *client, bool power_on);
     66
     67struct anybuss_memcfg {
     68	u16 input_io;
     69	u16 input_dpram;
     70	u16 input_total;
     71
     72	u16 output_io;
     73	u16 output_dpram;
     74	u16 output_total;
     75
     76	enum fieldbus_dev_offl_mode offl_mode;
     77};
     78
     79int anybuss_start_init(struct anybuss_client *client,
     80		       const struct anybuss_memcfg *cfg);
     81int anybuss_finish_init(struct anybuss_client *client);
     82int anybuss_read_fbctrl(struct anybuss_client *client, u16 addr,
     83			void *buf, size_t count);
     84int anybuss_send_msg(struct anybuss_client *client, u16 cmd_num,
     85		     const void *buf, size_t count);
     86int anybuss_send_ext(struct anybuss_client *client, u16 cmd_num,
     87		     const void *buf, size_t count);
     88int anybuss_recv_msg(struct anybuss_client *client, u16 cmd_num,
     89		     void *buf, size_t count);
     90
     91/* these help clients make a struct file_operations */
     92int anybuss_write_input(struct anybuss_client *client,
     93			const char __user *buf, size_t size,
     94				loff_t *offset);
     95int anybuss_read_output(struct anybuss_client *client,
     96			char __user *buf, size_t size,
     97				loff_t *offset);
     98
     99#endif /* __LINUX_ANYBUSS_CLIENT_H__ */