git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| cf2b4488 HP |
1 | /* |
| 2 | * Copyright (c) 2010 Broadcom Corporation | |
| 3 | * | |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any | |
| 5 | * purpose with or without fee is hereby granted, provided that the above | |
| 6 | * copyright notice and this permission notice appear in all copies. | |
| 7 | * | |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
| 11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
| 13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
| 14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 15 | */ | |
| 16 | ||
| 17 | #ifndef _MSGTRACE_H | |
| 18 | #define _MSGTRACE_H | |
| 19 | ||
| cf2b4488 | 20 | #include <typedefs.h> |
| cf2b4488 HP |
21 | |
| 22 | /* This marks the start of a packed structure section. */ | |
| 23 | #include <packed_section_start.h> | |
| 24 | ||
| 25 | #define MSGTRACE_VERSION 1 | |
| 26 | ||
| 27 | /* Message trace header */ | |
| 28 | typedef BWL_PRE_PACKED_STRUCT struct msgtrace_hdr { | |
| de9bca63 GKH |
29 | u8 version; |
| 30 | u8 spare; | |
| 7d4df48e | 31 | u16 len; /* Len of the trace */ |
| cf2b4488 HP |
32 | uint32 seqnum; /* Sequence number of message. Useful |
| 33 | * if the messsage has been lost | |
| 34 | * because of DMA error or a bus reset | |
| 35 | * (ex: SDIO Func2) | |
| 36 | */ | |
| 37 | uint32 discarded_bytes; /* Number of discarded bytes because of | |
| 38 | trace overflow */ | |
| 39 | uint32 discarded_printf; /* Number of discarded printf | |
| 40 | because of trace overflow */ | |
| 41 | } BWL_POST_PACKED_STRUCT msgtrace_hdr_t; | |
| 42 | ||
| 43 | #define MSGTRACE_HDRLEN sizeof(msgtrace_hdr_t) | |
| 44 | ||
| 45 | /* The hbus driver generates traces when sending a trace message. | |
| 46 | * This causes endless traces. | |
| 47 | * This flag must be set to TRUE in any hbus traces. | |
| 48 | * The flag is reset in the function msgtrace_put. | |
| 49 | * This prevents endless traces but generates hasardous | |
| 50 | * lost of traces only in bus device code. | |
| 51 | * It is recommendat to set this flag in macro SD_TRACE | |
| 52 | * but not in SD_ERROR for avoiding missing | |
| 53 | * hbus error traces. hbus error trace should not generates endless traces. | |
| 54 | */ | |
| 55 | extern bool msgtrace_hbus_trace; | |
| 56 | ||
| de9bca63 | 57 | typedef void (*msgtrace_func_send_t) (void *hdl1, void *hdl2, u8 *hdr, |
| 7d4df48e GKH |
58 | u16 hdrlen, u8 *buf, |
| 59 | u16 buflen); | |
| cf2b4488 HP |
60 | |
| 61 | extern void msgtrace_sent(void); | |
| 62 | extern void msgtrace_put(char *buf, int count); | |
| 63 | extern void msgtrace_init(void *hdl1, void *hdl2, | |
| 64 | msgtrace_func_send_t func_send); | |
| 65 | ||
| 66 | /* This marks the end of a packed structure section. */ | |
| 67 | #include <packed_section_end.h> | |
| 68 | ||
| 69 | #endif /* _MSGTRACE_H */ |