/usr/include/xenomai/analogy/transfer.h is in libxenomai-dev 2.6.4+dfsg-1.
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 | /**
* @file
* Analogy for Linux, transfer related features
*
* Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
* Copyright (C) 2008 Alexis Berlemont <alexis.berlemont@free.fr>
*
* Xenomai 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.
*
* Xenomai 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 Xenomai; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __ANALOGY_TRANSFER__
#define __ANALOGY_TRANSFER__
#ifndef DOXYGEN_CPP
#include <analogy/context.h>
#include <analogy/subdevice.h>
#include <analogy/buffer.h>
/* Status flags / bits */
#define A4L_TSF_CLEAN 0
/* Fields init values */
#define A4L_IRQ_UNUSED (unsigned int)((unsigned short)(~0))
#define A4L_IDX_UNUSED (unsigned int)(~0)
/* TODO: IRQ handling must leave transfer for os_facilities */
/* IRQ types */
#define A4L_IRQ_SHARED RTDM_IRQTYPE_SHARED
#define A4L_IRQ_EDGE RTDM_IRQTYPE_EDGE
#define A4L_IRQ_DISABLED 0
/* Poll timeout values */
#define A4L_INFINITE 0
#define A4L_NONBLOCK (-1)
#ifdef __KERNEL__
struct a4l_device;
/* Analogy transfer descriptor */
struct a4l_transfer {
/* Subdevices desc */
unsigned int nb_subd;
a4l_subd_t **subds;
/* Buffer stuff: the default size */
unsigned int default_bufsize;
/* IRQ in use */
/* TODO: irq_desc should vanish */
a4l_irq_desc_t irq_desc;
};
typedef struct a4l_transfer a4l_trf_t;
/* --- Proc function --- */
int a4l_rdproc_transfer(struct seq_file *p, void *data);
/* --- Upper layer functions --- */
void a4l_presetup_transfer(a4l_cxt_t * cxt);
int a4l_setup_transfer(a4l_cxt_t * cxt);
int a4l_precleanup_transfer(a4l_cxt_t * cxt);
int a4l_cleanup_transfer(a4l_cxt_t * cxt);
int a4l_reserve_transfer(a4l_cxt_t * cxt, int idx_subd);
int a4l_init_transfer(a4l_cxt_t * cxt, a4l_cmd_t * cmd);
int a4l_cancel_transfer(a4l_cxt_t * cxt, int idx_subd);
int a4l_cancel_transfers(a4l_cxt_t * cxt);
ssize_t a4l_put(a4l_cxt_t * cxt, void *buf, size_t nbytes);
ssize_t a4l_get(a4l_cxt_t * cxt, void *buf, size_t nbytes);
int a4l_request_irq(struct a4l_device *dev,
unsigned int irq,
a4l_irq_hdlr_t handler,
unsigned long flags, void *cookie);
int a4l_free_irq(struct a4l_device *dev, unsigned int irq);
unsigned int a4l_get_irq(struct a4l_device *dev);
int a4l_ioctl_cancel(a4l_cxt_t * cxt, void *arg);
#endif /* __KERNEL__ */
#endif /* !DOXYGEN_CPP */
#endif /* __ANALOGY_TRANSFER__ */
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