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1178 jermar 1
/*
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 * Copyright (c) 2006 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup genericddi
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 * @{
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 */
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/** @file
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 */
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#ifndef KERN_DDI_H_
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#define KERN_DDI_H_
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#include <ddi/ddi_arg.h>
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#include <arch/types.h>
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#include <proc/task.h>
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#include <adt/list.h>
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/** Structure representing contiguous physical memory area. */
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typedef struct {
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    uintptr_t pbase;    /**< Physical base of the area. */
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    pfn_t frames;       /**< Number of frames in the area. */
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    link_t link;        /**< Linked list link */
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} parea_t;
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extern void ddi_init(void);
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extern void ddi_parea_register(parea_t *parea);
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extern unative_t sys_physmem_map(unative_t phys_base, unative_t virt_base,
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    unative_t pages, unative_t flags);
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extern unative_t sys_iospace_enable(ddi_ioarg_t *uspace_io_arg);
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extern unative_t sys_preempt_control(int enable);
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/*
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 * Interface to be implemented by all architectures.
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 */
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extern int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size);
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#endif
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/** @}
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 */