mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-17 17:53:56 +08:00
607ca46e97
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/* r3964 linediscipline for linux
|
|
*
|
|
* -----------------------------------------------------------
|
|
* Copyright by
|
|
* Philips Automation Projects
|
|
* Kassel (Germany)
|
|
* -----------------------------------------------------------
|
|
* This software may be used and distributed according to the terms of
|
|
* the GNU General Public License, incorporated herein by reference.
|
|
*
|
|
* Author:
|
|
* L. Haag
|
|
*
|
|
* $Log: r3964.h,v $
|
|
* Revision 1.4 2005/12/21 19:54:24 Kurt Huwig <kurt huwig de>
|
|
* Fixed HZ usage on 2.6 kernels
|
|
* Removed unnecessary include
|
|
*
|
|
* Revision 1.3 2001/03/18 13:02:24 dwmw2
|
|
* Fix timer usage, use spinlocks properly.
|
|
*
|
|
* Revision 1.2 2001/03/18 12:53:15 dwmw2
|
|
* Merge changes in 2.4.2
|
|
*
|
|
* Revision 1.1.1.1 1998/10/13 16:43:14 dwmw2
|
|
* This'll screw the version control
|
|
*
|
|
* Revision 1.6 1998/09/30 00:40:38 dwmw2
|
|
* Updated to use kernel's N_R3964 if available
|
|
*
|
|
* Revision 1.4 1998/04/02 20:29:44 lhaag
|
|
* select, blocking, ...
|
|
*
|
|
* Revision 1.3 1998/02/12 18:58:43 root
|
|
* fixed some memory leaks
|
|
* calculation of checksum characters
|
|
*
|
|
* Revision 1.2 1998/02/07 13:03:17 root
|
|
* ioctl read_telegram
|
|
*
|
|
* Revision 1.1 1998/02/06 19:19:43 root
|
|
* Initial revision
|
|
*
|
|
*
|
|
*/
|
|
|
|
#ifndef _UAPI__LINUX_N_R3964_H__
|
|
#define _UAPI__LINUX_N_R3964_H__
|
|
|
|
/* line disciplines for r3964 protocol */
|
|
|
|
|
|
/*
|
|
* Ioctl-commands
|
|
*/
|
|
|
|
#define R3964_ENABLE_SIGNALS 0x5301
|
|
#define R3964_SETPRIORITY 0x5302
|
|
#define R3964_USE_BCC 0x5303
|
|
#define R3964_READ_TELEGRAM 0x5304
|
|
|
|
/* Options for R3964_SETPRIORITY */
|
|
#define R3964_MASTER 0
|
|
#define R3964_SLAVE 1
|
|
|
|
/* Options for R3964_ENABLE_SIGNALS */
|
|
#define R3964_SIG_ACK 0x0001
|
|
#define R3964_SIG_DATA 0x0002
|
|
#define R3964_SIG_ALL 0x000f
|
|
#define R3964_SIG_NONE 0x0000
|
|
#define R3964_USE_SIGIO 0x1000
|
|
|
|
/*
|
|
* r3964 operation states:
|
|
*/
|
|
|
|
/* types for msg_id: */
|
|
enum {R3964_MSG_ACK=1, R3964_MSG_DATA };
|
|
|
|
#define R3964_MAX_MSG_COUNT 32
|
|
|
|
/* error codes for client messages */
|
|
#define R3964_OK 0 /* no error. */
|
|
#define R3964_TX_FAIL -1 /* transmission error, block NOT sent */
|
|
#define R3964_OVERFLOW -2 /* msg queue overflow */
|
|
|
|
/* the client gets this struct when calling read(fd,...): */
|
|
struct r3964_client_message {
|
|
int msg_id;
|
|
int arg;
|
|
int error_code;
|
|
};
|
|
|
|
#define R3964_MTU 256
|
|
|
|
|
|
|
|
#endif /* _UAPI__LINUX_N_R3964_H__ */
|