0,0 → 1,66 |
/* |
* 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 genericddi |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef KERN_DDI_H_ |
#define KERN_DDI_H_ |
|
#include <ddi/ddi_arg.h> |
#include <arch/types.h> |
#include <proc/task.h> |
|
/** Structure representing contiguous physical memory area. */ |
typedef struct { |
uintptr_t pbase; /**< Physical base of the area. */ |
uintptr_t vbase; /**< Virtual base of the area. */ |
count_t frames; /**< Number of frames in the area. */ |
bool cacheable; /**< Cacheability. */ |
} parea_t; |
|
extern void ddi_init(void); |
extern void ddi_parea_register(parea_t *parea); |
|
extern unative_t sys_physmem_map(unative_t phys_base, unative_t virt_base, |
unative_t pages, unative_t flags); |
extern unative_t sys_iospace_enable(ddi_ioarg_t *uspace_io_arg); |
extern unative_t sys_preempt_control(int enable); |
|
/* |
* Interface to be implemented by all architectures. |
*/ |
extern int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size); |
|
#endif |
|
/** @} |
*/ |