1 /* 2 * Trace messages sent over HBUS 3 * 4 * Copyright (C) 2020, Broadcom. 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * 21 * <<Broadcom-WL-IPTag/Dual:>> 22 */ 23 24 #ifndef _MSGTRACE_H 25 #define _MSGTRACE_H 26 27 #ifndef _TYPEDEFS_H_ 28 #include <typedefs.h> 29 #endif 30 31 /* This marks the start of a packed structure section. */ 32 #include <packed_section_start.h> 33 34 #define MSGTRACE_VERSION 1 35 36 /* Message trace header */ 37 typedef BWL_PRE_PACKED_STRUCT struct msgtrace_hdr { 38 uint8 version; 39 uint8 trace_type; 40 #define MSGTRACE_HDR_TYPE_MSG 0 41 #define MSGTRACE_HDR_TYPE_LOG 1 42 uint16 len; /* Len of the trace */ 43 uint32 seqnum; /* Sequence number of message. Useful if the messsage has been lost 44 * because of DMA error or a bus reset (ex: SDIO Func2) 45 */ 46 /* Msgtrace type only */ 47 uint32 discarded_bytes; /* Number of discarded bytes because of trace overflow */ 48 uint32 discarded_printf; /* Number of discarded printf because of trace overflow */ 49 } BWL_POST_PACKED_STRUCT msgtrace_hdr_t; 50 51 #define MSGTRACE_HDRLEN sizeof(msgtrace_hdr_t) 52 53 /* This marks the end of a packed structure section. */ 54 #include <packed_section_end.h> 55 56 #endif /* _MSGTRACE_H */ 57