xref: /linux/drivers/media/usb/pvrusb2/pvrusb2-debugifc.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *
4  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
5  */
6 #ifndef __PVRUSB2_DEBUGIFC_H
7 #define __PVRUSB2_DEBUGIFC_H
8 
9 struct pvr2_hdw;
10 
11 /* Print general status of driver.  This will also trigger a probe of
12    the USB link.  Unlike print_info(), this one synchronizes with the
13    driver so the information should be self-consistent (but it will
14    hang if the driver is wedged). */
15 int pvr2_debugifc_print_info(struct pvr2_hdw *,
16 			     char *buf_ptr, unsigned int buf_size);
17 
18 /* Non-intrusively print some useful debugging info from inside the
19    driver.  This should work even if the driver appears to be
20    wedged. */
21 int pvr2_debugifc_print_status(struct pvr2_hdw *,
22 			       char *buf_ptr,unsigned int buf_size);
23 
24 /* Parse a string command into a driver action. */
25 int pvr2_debugifc_docmd(struct pvr2_hdw *,
26 			const char *buf_ptr,unsigned int buf_size);
27 
28 #endif /* __PVRUSB2_DEBUGIFC_H */
29