/*
 * Copyright (c) 2012, 2014, 2021 Jonas 'Sortie' Termansen.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * sortix/kernel/copy.h
 * The context for io operations: who made it, how should data be copied, etc.
 */

#ifndef _INCLUDE_SORTIX_KERNEL_COPY_H
#define _INCLUDE_SORTIX_KERNEL_COPY_H

#include <stddef.h>

namespace Sortix {

bool CopyToUser(void* userdst, const void* ksrc, size_t count);
bool CopyFromUser(void* kdst, const void* usersrc, size_t count);
bool CopyToKernel(void* kdst, const void* ksrc, size_t count);
bool CopyFromKernel(void* kdst, const void* ksrc, size_t count);
bool ReadAtomicFromUser(int* kdst, const int* usersrc);
bool ZeroKernel(void* kdst, size_t count);
bool ZeroUser(void* userdst, size_t count);
char* GetStringFromUser(const char* str);

} // namespace Sortix

#endif
