haiku/headers/private/file_systems/ram_disk/ram_disk.h

48 lines
851 B
C

/*
* Copyright 2013, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#ifndef _PRIVATE_FILE_SYSTEMS_RAM_DISK_RAM_DISK_H
#define _PRIVATE_FILE_SYSTEMS_RAM_DISK_RAM_DISK_H
#include <Drivers.h>
#include <StorageDefs.h>
#define RAM_DISK_CONTROL_DEVICE_NAME "disk/virtual/ram/control"
#define RAM_DISK_RAW_DEVICE_BASE_NAME "disk/virtual/ram"
enum {
RAM_DISK_IOCTL_REGISTER = B_DEVICE_OP_CODES_END + 1,
RAM_DISK_IOCTL_UNREGISTER,
RAM_DISK_IOCTL_FLUSH,
RAM_DISK_IOCTL_INFO
};
struct ram_disk_ioctl_register {
uint64 size;
char path[B_PATH_NAME_LENGTH];
// return value
int32 id;
};
struct ram_disk_ioctl_unregister {
int32 id;
};
struct ram_disk_ioctl_info {
// return values
int32 id;
uint64 size;
char path[B_PATH_NAME_LENGTH];
};
#endif // _PRIVATE_FILE_SYSTEMS_RAM_DISK_RAM_DISK_H