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1178 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Jakub Jermar |
1178 | jermar | 3 | * All rights reserved. |
4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1888 | jermar | 29 | /** @addtogroup genericddi |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1888 | jermar | 35 | #ifndef KERN_DDI_H_ |
36 | #define KERN_DDI_H_ |
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1178 | jermar | 37 | |
38 | #include <ddi/ddi_arg.h> |
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39 | #include <arch/types.h> |
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2089 | decky | 40 | #include <proc/task.h> |
3908 | decky | 41 | #include <adt/list.h> |
1178 | jermar | 42 | |
2015 | jermar | 43 | /** Structure representing contiguous physical memory area. */ |
44 | typedef struct { |
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3908 | decky | 45 | uintptr_t pbase; /**< Physical base of the area. */ |
46 | pfn_t frames; /**< Number of frames in the area. */ |
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47 | |||
48 | link_t link; /**< Linked list link */ |
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2015 | jermar | 49 | } parea_t; |
50 | |||
51 | extern void ddi_init(void); |
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52 | extern void ddi_parea_register(parea_t *parea); |
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53 | |||
54 | extern unative_t sys_physmem_map(unative_t phys_base, unative_t virt_base, |
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55 | unative_t pages, unative_t flags); |
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1780 | jermar | 56 | extern unative_t sys_iospace_enable(ddi_ioarg_t *uspace_io_arg); |
57 | extern unative_t sys_preempt_control(int enable); |
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1178 | jermar | 58 | |
1191 | jermar | 59 | /* |
60 | * Interface to be implemented by all architectures. |
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61 | */ |
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1780 | jermar | 62 | extern int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size); |
1191 | jermar | 63 | |
1178 | jermar | 64 | #endif |
1702 | cejka | 65 | |
1888 | jermar | 66 | /** @} |
1702 | cejka | 67 | */ |