1 /* 2 * Copyright 2012-15 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #ifndef __DAL_LOGGER_H__ 27 #define __DAL_LOGGER_H__ 28 29 /* Structure for keeping track of offsets, buffer, etc */ 30 31 #define DAL_LOGGER_BUFFER_MAX_SIZE 2048 32 33 /*Connectivity log needs to output EDID, which needs at lease 256x3 bytes, 34 * change log line size to 896 to meet the request. 35 */ 36 #define LOG_MAX_LINE_SIZE 896 37 38 #include "include/logger_types.h" 39 40 struct dal_logger { 41 42 /* How far into the circular buffer has been read by dsat 43 * Read offset should never cross write offset. Write \0's to 44 * read data just to be sure? 45 */ 46 uint32_t buffer_read_offset; 47 48 /* How far into the circular buffer we have written 49 * Write offset should never cross read offset 50 */ 51 uint32_t buffer_write_offset; 52 53 uint32_t write_wrap_count; 54 uint32_t read_wrap_count; 55 56 uint32_t open_count; 57 58 char *log_buffer; /* Pointer to malloc'ed buffer */ 59 uint32_t log_buffer_size; /* Size of circular buffer */ 60 61 uint32_t mask; /*array of masks for major elements*/ 62 63 union logger_flags flags; 64 struct dc_context *ctx; 65 }; 66 67 #endif /* __DAL_LOGGER_H__ */ 68