source: mainline/abi/include/ddi/irq.h@ c0699467

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since c0699467 was c0699467, checked in by Martin Decky <martin@…>, 14 years ago

do not provide general access to kernel headers from uspace, only allow specific headers to be accessed or shared
externalize headers which serve as kernel/uspace API/ABI into a special tree

  • Property mode set to 100644
File size: 3.4 KB
Line 
1/*
2 * Copyright (c) 2006 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup genericddi
30 * @{
31 */
32/** @file
33 */
34
35#ifndef ABI_DDI_IRQ_H_
36#define ABI_DDI_IRQ_H_
37
38typedef enum {
39 /** Read 1 byte from the I/O space. */
40 CMD_PIO_READ_8 = 1,
41 /** Read 2 bytes from the I/O space. */
42 CMD_PIO_READ_16,
43 /** Read 4 bytes from the I/O space. */
44 CMD_PIO_READ_32,
45
46 /** Write 1 byte to the I/O space. */
47 CMD_PIO_WRITE_8,
48 /** Write 2 bytes to the I/O space. */
49 CMD_PIO_WRITE_16,
50 /** Write 4 bytes to the I/O space. */
51 CMD_PIO_WRITE_32,
52
53 /**
54 * Write 1 byte from the source argument
55 * to the I/O space.
56 */
57 CMD_PIO_WRITE_A_8,
58 /**
59 * Write 2 bytes from the source argument
60 * to the I/O space.
61 */
62 CMD_PIO_WRITE_A_16,
63 /**
64 * Write 4 bytes from the source argument
65 * to the I/O space.
66 */
67 CMD_PIO_WRITE_A_32,
68
69 /** Read 1 byte from the memory space. */
70 CMD_MEM_READ_8,
71 /** Read 2 bytes from the memory space. */
72 CMD_MEM_READ_16,
73 /** Read 4 bytes from the memory space. */
74 CMD_MEM_READ_32,
75
76 /** Write 1 byte to the memory space. */
77 CMD_MEM_WRITE_8,
78 /** Write 2 bytes to the memory space. */
79 CMD_MEM_WRITE_16,
80 /** Write 4 bytes to the memory space. */
81 CMD_MEM_WRITE_32,
82
83 /** Write 1 byte from the source argument to the memory space. */
84 CMD_MEM_WRITE_A_8,
85 /** Write 2 bytes from the source argument to the memory space. */
86 CMD_MEM_WRITE_A_16,
87 /** Write 4 bytes from the source argument to the memory space. */
88 CMD_MEM_WRITE_A_32,
89
90 /**
91 * Perform a bit masking on the source argument
92 * and store the result into the destination argument.
93 */
94 CMD_BTEST,
95
96 /**
97 * Predicate the execution of the following
98 * N commands by the boolean value of the source
99 * argument.
100 */
101 CMD_PREDICATE,
102
103 /** Accept the interrupt. */
104 CMD_ACCEPT,
105
106 /** Decline the interrupt. */
107 CMD_DECLINE,
108 CMD_LAST
109} irq_cmd_type;
110
111typedef struct {
112 irq_cmd_type cmd;
113 void *addr;
114 uint32_t value;
115 uintptr_t srcarg;
116 uintptr_t dstarg;
117} irq_cmd_t;
118
119typedef struct {
120 size_t cmdcount;
121 irq_cmd_t *cmds;
122} irq_code_t;
123
124#endif
125
126/** @}
127 */
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