xref: /OK3568_Linux_fs/kernel/drivers/firewire/nosy-user.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __nosy_user_h
3*4882a593Smuzhiyun #define __nosy_user_h
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/ioctl.h>
6*4882a593Smuzhiyun #include <linux/types.h>
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #define NOSY_IOC_GET_STATS _IOR('&', 0, struct nosy_stats)
9*4882a593Smuzhiyun #define NOSY_IOC_START     _IO('&', 1)
10*4882a593Smuzhiyun #define NOSY_IOC_STOP      _IO('&', 2)
11*4882a593Smuzhiyun #define NOSY_IOC_FILTER    _IOW('&', 2, __u32)
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun struct nosy_stats {
14*4882a593Smuzhiyun 	__u32 total_packet_count;
15*4882a593Smuzhiyun 	__u32 lost_packet_count;
16*4882a593Smuzhiyun };
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun /*
19*4882a593Smuzhiyun  * Format of packets returned from the kernel driver:
20*4882a593Smuzhiyun  *
21*4882a593Smuzhiyun  *	quadlet with timestamp		(microseconds, CPU endian)
22*4882a593Smuzhiyun  *	quadlet-padded packet data...	(little endian)
23*4882a593Smuzhiyun  *	quadlet with ack		(little endian)
24*4882a593Smuzhiyun  */
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #endif /* __nosy_user_h */
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