source: mainline/uspace/lib/c/include/ddi.h@ fd6bd6d

/*
 * Copyright (c) 2006 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup libc
 * @{
 */
/** @file
 */

#ifndef LIBC_DDI_H_
#define LIBC_DDI_H_

#include <sys/types.h>
#include <abi/ddi/irq.h>
#include <task.h>

typedef struct {
        /** Physical memory */
        void *phys;
        
        /** Virtual memory */
        void *virt;
        
        /** Size in pages */
        size_t size;
        
        /** Mapping flags */
        unsigned int flags;
} dmamem_t;

extern int device_assign_devno(void);
extern int physmem_map(void *, void *, size_t, unsigned int);
extern int dmamem_map(dmamem_t *, size_t, unsigned int, unsigned int);
extern int dmamem_unmap(dmamem_t *);
extern int dmamem_lock(void *, void **, size_t);
extern int dmamem_unlock(void *, size_t);
extern int iospace_enable(task_id_t, void *, unsigned long);
extern int pio_enable(void *, size_t, void **);
extern int register_irq(int, int, int, irq_code_t *);
extern int unregister_irq(int, int);

#endif

/** @}
 */