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/*
* sharedregion_ioctl.h
*
* The sharedregion module is designed to be used in a
* multi-processor environment where there are memory regions
* that are shared and accessed across different processors
*
* Copyright (C) 2008-2010 Texas Instruments, Inc.
*
* This package 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 PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE.
*/
#ifndef _SHAREDREGION_IOCTL_H
#define _SHAREDREGION_IOCTL_H
#include <linux/ioctl.h>
#include <linux/types.h>
#include <ipc_ioctl.h>
#include <sharedregion.h>
enum CMD_SHAREDREGION {
SHAREDREGION_GETCONFIG = SHAREDREGION_BASE_CMD,
SHAREDREGION_SETUP,
SHAREDREGION_DESTROY,
SHAREDREGION_START,
SHAREDREGION_STOP,
SHAREDREGION_ATTACH,
SHAREDREGION_DETACH,
SHAREDREGION_GETHEAP,
SHAREDREGION_CLEARENTRY,
SHAREDREGION_SETENTRY,
SHAREDREGION_RESERVEMEMORY,
SHAREDREGION_CLEARRESERVEDMEMORY,
SHAREDREGION_GETREGIONINFO
};
/*
* IOCTL command IDs for sharedregion
*
*/
/*
* Command for sharedregion_get_config
*/
#define CMD_SHAREDREGION_GETCONFIG _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_GETCONFIG, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_setup
*/
#define CMD_SHAREDREGION_SETUP _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_SETUP, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_setup
*/
#define CMD_SHAREDREGION_DESTROY _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_DESTROY, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_start
*/
#define CMD_SHAREDREGION_START _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_START, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_stop
*/
#define CMD_SHAREDREGION_STOP _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_STOP, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_attach
*/
#define CMD_SHAREDREGION_ATTACH _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_ATTACH, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_detach
*/
#define CMD_SHAREDREGION_DETACH _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_DETACH, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_get_heap
*/
#define CMD_SHAREDREGION_GETHEAP _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_GETHEAP, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_clear_entry
*/
#define CMD_SHAREDREGION_CLEARENTRY _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_CLEARENTRY, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_set_entry
*/
#define CMD_SHAREDREGION_SETENTRY _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_SETENTRY, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_reserve_memory
*/
#define CMD_SHAREDREGION_RESERVEMEMORY _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_RESERVEMEMORY, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_clear_reserved_memory
*/
#define CMD_SHAREDREGION_CLEARRESERVEDMEMORY \
_IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_CLEARRESERVEDMEMORY, \
struct sharedregion_cmd_args)
/*
* Command for sharedregion_get_region_info
*/
#define CMD_SHAREDREGION_GETREGIONINFO _IOWR(IPC_IOC_MAGIC, \
SHAREDREGION_GETREGIONINFO, \
struct sharedregion_cmd_args)
/*
* Command arguments for sharedregion
*/
union sharedregion_arg {
struct {
struct sharedregion_config *config;
} get_config;
struct {
struct sharedregion_region *regions;
struct sharedregion_config *config;
} setup;
struct {
struct sharedregion_region *regions;
} get_region_info;
struct {
u16 remote_proc_id;
} attach;
struct {
u16 remote_proc_id;
} detach;
struct {
u16 id;
void *heap_handle;
} get_heap;
struct {
u16 id;
struct sharedregion_entry entry;
} set_entry;
struct {
u16 id;
} clear_entry;
struct {
u16 id;
u32 size;
} reserve_memory;
};
/*
* Command arguments for sharedregion
*/
struct sharedregion_cmd_args {
union sharedregion_arg args;
s32 api_status;
};
/*
* This ioctl interface for sharedregion module
*/
int sharedregion_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long args, bool user);
#endif /* _SHAREDREGION_IOCTL_H */
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