cregit-Linux how code gets into the kernel

Release 4.14 include/linux/fsi.h

Directory: include/linux
/* FSI device & driver interfaces
 *
 * Copyright (C) IBM Corporation 2016
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef LINUX_FSI_H

#define LINUX_FSI_H

#include <linux/device.h>


struct fsi_device {
	
struct device		dev;
	
u8			engine_type;
	
u8			version;
	
u8			unit;
	
struct fsi_slave	*slave;
	
uint32_t		addr;
	
uint32_t		size;
};

extern int fsi_device_read(struct fsi_device *dev, uint32_t addr,
		void *val, size_t size);
extern int fsi_device_write(struct fsi_device *dev, uint32_t addr,
		const void *val, size_t size);
extern int fsi_device_peek(struct fsi_device *dev, void *val);


struct fsi_device_id {
	
u8	engine_type;
	
u8	version;
};


#define FSI_VERSION_ANY		0


#define FSI_DEVICE(t) \
	.engine_type = (t), .version = FSI_VERSION_ANY,


#define FSI_DEVICE_VERSIONED(t, v) \
	.engine_type = (t), .version = (v),


struct fsi_driver {
	
struct device_driver		drv;
	
const struct fsi_device_id	*id_table;
};


#define to_fsi_dev(devp) container_of(devp, struct fsi_device, dev)

#define to_fsi_drv(drvp) container_of(drvp, struct fsi_driver, drv)

extern int fsi_driver_register(struct fsi_driver *fsi_drv);
extern void fsi_driver_unregister(struct fsi_driver *fsi_drv);

/* module_fsi_driver() - Helper macro for drivers that don't do
 * anything special in module init/exit.  This eliminates a lot of
 * boilerplate.  Each module may only use this macro once, and
 * calling it replaces module_init() and module_exit()
 */

#define module_fsi_driver(__fsi_driver) \
		module_driver(__fsi_driver, fsi_driver_register, \
                                fsi_driver_unregister)

/* direct slave API */
extern int fsi_slave_claim_range(struct fsi_slave *slave,
		uint32_t addr, uint32_t size);
extern void fsi_slave_release_range(struct fsi_slave *slave,
		uint32_t addr, uint32_t size);
extern int fsi_slave_read(struct fsi_slave *slave, uint32_t addr,
		void *val, size_t size);
extern int fsi_slave_write(struct fsi_slave *slave, uint32_t addr,
		const void *val, size_t size);



extern struct bus_type fsi_bus_type;

#endif /* LINUX_FSI_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Jeremy Kerr23889.14%685.71%
Christopher Bostic2910.86%114.29%
Total267100.00%7100.00%
Directory: include/linux
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