/usr/include/xenomai/native/intr.h is in libxenomai-dev 2.6.4+dfsg-0.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | /**
* @file
* This file is part of the Xenomai project.
*
* @note Copyright (C) 2005 Philippe Gerum <rpm@xenomai.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _XENO_INTR_H
#define _XENO_INTR_H
#include <nucleus/intr.h>
#include <native/types.h>
/* Creation flag. */
#define I_NOAUTOENA XN_ISR_NOENABLE /* Do not auto-enable interrupt channel
after each IRQ. */
#define I_PROPAGATE XN_ISR_PROPAGATE /* Propagate IRQs down the
pipeline after processing; IOW,
pass them to Linux. */
typedef struct rt_intr_info {
unsigned irq; /* !< Interrupt request number. */
unsigned long hits; /* !< Number of receipts (since attachment), 0 if
statistics support is disable in the nucleus. */
char name[XNOBJECT_NAME_LEN]; /* !< Symbolic name. */
} RT_INTR_INFO;
typedef struct rt_intr_placeholder {
xnhandle_t opaque;
} RT_INTR_PLACEHOLDER;
#if (defined(__KERNEL__) || defined(__XENO_SIM__)) && !defined(DOXYGEN_CPP)
#include <nucleus/synch.h>
#include <native/ppd.h>
#define XENO_INTR_MAGIC 0x55550a0a
/* Creation flags. */
#define I_SHARED XN_ISR_SHARED
#define I_EDGE XN_ISR_EDGE
#define RT_INTR_HANDLED XN_ISR_HANDLED
#define RT_INTR_NONE XN_ISR_NONE
#define RT_INTR_PROPAGATE XN_ISR_PROPAGATE
#define RT_INTR_NOENABLE XN_ISR_NOENABLE
#define I_DESC(xintr) ((RT_INTR *)(xintr)->cookie)
typedef struct rt_intr {
unsigned magic; /* !< Magic code - must be first */
xnintr_t intr_base; /* !< Base interrupt object. */
void *private_data; /* !< Private user-defined data. */
xnhandle_t handle; /* !< Handle in registry -- zero if unregistered. */
char name[XNOBJECT_NAME_LEN]; /* !< Symbolic name. */
#ifdef CONFIG_XENO_OPT_PERVASIVE
int mode; /* !< Interrupt control mode. */
int pending; /* !< Pending hits to process. */
xnsynch_t synch_base; /* !< Base synchronization object. */
pid_t cpid; /* !< Creator's pid. */
#endif /* CONFIG_XENO_OPT_PERVASIVE */
xnholder_t rlink; /* !< Link in resource queue. */
#define rlink2intr(ln) container_of(ln, RT_INTR, rlink)
xnqueue_t *rqueue; /* !< Backpointer to resource queue. */
} RT_INTR;
#define rt_intr_save(x) splhigh(x)
#define rt_intr_restore(x) splexit(x)
#define rt_intr_unmask() splnone()
#define rt_intr_flags(x) splget(x)
#ifdef __cplusplus
extern "C" {
#endif
#ifdef CONFIG_XENO_OPT_NATIVE_INTR
int __native_intr_pkg_init(void);
void __native_intr_pkg_cleanup(void);
static inline void __native_intr_flush_rq(xnqueue_t *rq)
{
xeno_flush_rq(RT_INTR, rq, intr);
}
#else /* !CONFIG_XENO_OPT_NATIVE_INTR */
#define __native_intr_pkg_init() ({ 0; })
#define __native_intr_pkg_cleanup() do { } while(0)
#define __native_intr_flush_rq(rq) do { } while(0)
#endif /* !CONFIG_XENO_OPT_NATIVE_INTR */
int rt_intr_create(RT_INTR *intr,
const char *name,
unsigned irq,
rt_isr_t isr,
rt_iack_t iack,
int mode);
#ifdef CONFIG_XENO_OPT_PERVASIVE
int rt_intr_handler(xnintr_t *cookie);
#endif /* CONFIG_XENO_OPT_PERVASIVE */
#ifdef __cplusplus
}
#endif
#else /* !(__KERNEL__ || __XENO_SIM__) */
typedef RT_INTR_PLACEHOLDER RT_INTR;
#ifdef __cplusplus
extern "C" {
#endif
int rt_intr_bind(RT_INTR *intr,
const char *name,
RTIME timeout);
static inline int rt_intr_unbind (RT_INTR *intr)
{
intr->opaque = XN_NO_HANDLE;
return 0;
}
int rt_intr_create(RT_INTR *intr,
const char *name,
unsigned irq,
int mode);
int rt_intr_wait(RT_INTR *intr,
RTIME timeout);
#ifdef __cplusplus
}
#endif
#endif /* __KERNEL__ || __XENO_SIM__ */
#ifdef __cplusplus
extern "C" {
#endif
/* Public interface. */
int rt_intr_delete(RT_INTR *intr);
int rt_intr_enable(RT_INTR *intr);
int rt_intr_disable(RT_INTR *intr);
int rt_intr_inquire(RT_INTR *intr,
RT_INTR_INFO *info);
#ifdef __cplusplus
}
#endif
#endif /* !_XENO_INTR_H */
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