111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/*
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* \brief Iguana API functions needed by OKLinux
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* \author Norman Feske
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* \date 2009-04-12
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*/
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/*
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* Copyright (C) 2009-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__OKLINUX_SUPPORT__IGUANA__MEMSECTION_H_
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#define _INCLUDE__OKLINUX_SUPPORT__IGUANA__MEMSECTION_H_
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#include <iguana/types.h>
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/**
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* Get physical address of the given virtual one
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*
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* \param vaddr the virtual address
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* \param size resulting pointer to the size of the corresponding area
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* \return the requested physical address
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*/
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uintptr_t memsection_virt_to_phys(uintptr_t vaddr, size_t *size);
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/**
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* Establish mapping to virtual memory area
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*
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* \param memsect the target memory area
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* \param from_page flexpage describing the source memory area
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* \param to_page flexpage describing the virtual memory area
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* \return 0 if no error occurred
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*/
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int memsection_page_map(memsection_ref_t memsect,
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L4_Fpage_t from_page,
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L4_Fpage_t to_page);
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/**
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* Destroy mapping to virtual memory area
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*
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* \param memsect the target memory area
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* \param to_page flexpage describing the virtual memory area
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* \return 0 if no error occurred
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*/
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int memsection_page_unmap(memsection_ref_t memsect,
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L4_Fpage_t to_page);
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/**
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* Register pager of a memory area
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*
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* \param memsect the target memory area
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* \param server the pager's thread id
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* \return 0 if no error occurred
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*/
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int memsection_register_server(memsection_ref_t memsect,
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thread_ref_t server);
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/**
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* Lookup pager of an object
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*
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* \param object reference to object
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* \param server resulting pointer to object's pager
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* \return memory area id, object is part of
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*/
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memsection_ref_t memsection_lookup(objref_t object, thread_ref_t *server);
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/**
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* Get base address of a memory area
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*
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* \param memsect memory area id
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* \return base address of the memory area
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*/
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void *memsection_base(memsection_ref_t memsect);
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/**
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* Get size of a memory area
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*
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* \param memsect memory area id
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* \return size of the memory area
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*/
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uintptr_t memsection_size(memsection_ref_t memsect);
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/**
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* Create a blank memory area
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*
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* \param size size of the area
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* \param base base address of the area
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* \return memory area id
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*/
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memsection_ref_t memsection_create_user(uintptr_t size, uintptr_t *base);
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/**
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* Delete a memory area
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*
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* \param memsect memory area id
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*/
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void memsection_delete(memsection_ref_t);
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/**
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* Create a blank memory area
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*
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* \param size size of the area
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* \param base base address of the area
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* \param memsect memory area id
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*/
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memsection_ref_t memsection_create(uintptr_t size, uintptr_t *base);
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#endif //_INCLUDE__OKLINUX_SUPPORT__IGUANA__MEMSECTION_H_
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