1 /*- 2 * Copyright (c) 2017 Chelsio Communications, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28 #ifndef __CUDBG_LIB_COMMON_H__ 29 #define __CUDBG_LIB_COMMON_H__ 30 31 /* Extended entity 32 * 33 * Layout of the cudbg dump file when extended entity is present. 34 * 35 * 36 * ---------------- 37 * | Global header | 38 * |---------------| 39 * |entity headers | 40 * |---------------| 41 * | Entity data | 42 * | * | 43 * | * | 44 * | * | 45 * |---------------| 46 * |extended entity| 47 * | header | 48 * |---------------| 49 * |extended entity| 50 * | data | 51 * ----------------- 52 * 53 * 54 * Extended entity: This comes into picture only when cudbg_collect() is called 55 * multiple times. 56 */ 57 58 #ifndef CUDBG_LITE 59 #include "common/t4_hw.h" 60 #endif 61 62 #define CUDBG_SF_MAX_SECTOR (FLASH_CUDBG_START_SEC + FLASH_CUDBG_NSECS) 63 #define CUDBG_SF_SECTOR_SIZE SF_SEC_SIZE 64 #define CUDBG_START_SEC FLASH_CUDBG_START_SEC 65 #define CUDBG_FLASH_SIZE FLASH_CUDBG_MAX_SIZE 66 67 #define CUDBG_EXT_DATA_BIT 0 68 #define CUDBG_EXT_DATA_VALID (1 << CUDBG_EXT_DATA_BIT) 69 70 struct cudbg_hdr { 71 u32 signature; 72 u32 hdr_len; 73 u16 major_ver; 74 u16 minor_ver; 75 u32 data_len; 76 u32 hdr_flags; 77 u16 max_entities; 78 u8 chip_ver; 79 u8 reserved1; 80 u32 reserved[8]; 81 }; 82 83 struct cudbg_entity_hdr { 84 u32 entity_type; 85 u32 start_offset; 86 u32 size; 87 int hdr_flags; 88 u32 sys_warn; 89 u32 sys_err; 90 u8 num_pad; 91 u8 flag; /* bit 0 is used to indicate ext data */ 92 u8 reserved1[2]; 93 u32 next_ext_offset; /* pointer to next extended entity meta data */ 94 u32 reserved[5]; 95 }; 96 97 struct cudbg_ver_hdr { 98 u32 signature; 99 u16 revision; 100 u16 size; 101 }; 102 103 struct cudbg_buffer { 104 u32 size; 105 u32 offset; 106 char *data; 107 }; 108 109 struct cudbg_error { 110 int sys_err; 111 int sys_warn; 112 int app_err; 113 }; 114 115 struct cudbg_flash_sec_info { 116 int par_sec; /* Represent partially filled sector no */ 117 int par_sec_offset; /* Offset in partially filled sector */ 118 int cur_seq_no; 119 u32 max_seq_no; 120 u32 max_seq_sec; 121 u32 hdr_data_len; /* Total data */ 122 u32 skip_size; /* Total size of large entities. */ 123 u64 max_timestamp; 124 char sec_data[CUDBG_SF_SECTOR_SIZE]; 125 u8 sec_bitmap[8]; 126 }; 127 128 struct cudbg_private { 129 struct cudbg_init dbg_init; 130 struct cudbg_flash_sec_info sec_info; 131 }; 132 133 #define HTONL_NIBBLE(data) ( \ 134 (((uint32_t)(data) >> 28) & 0x0000000F) | \ 135 (((uint32_t)(data) >> 20) & 0x000000F0) | \ 136 (((uint32_t)(data) >> 12) & 0x00000F00) | \ 137 (((uint32_t)(data) >> 4) & 0x0000F000) | \ 138 (((uint32_t)(data) << 4) & 0x000F0000) | \ 139 (((uint32_t)(data) << 12) & 0x00F00000) | \ 140 (((uint32_t)(data) << 20) & 0x0F000000) | \ 141 (((uint32_t)(data) << 28) & 0xF0000000)) 142 143 #define CDUMP_MAX_COMP_BUF_SIZE ((64 * 1024) - 1) 144 #define CUDBG_CHUNK_SIZE ((CDUMP_MAX_COMP_BUF_SIZE/1024) * 1024) 145 146 #define CUDBG_LEGACY_SIGNATURE 123 147 #define CUDBG_SIGNATURE 67856866 /* CUDB in ascii */ 148 #define CUDBG_FL_SIGNATURE 0x4355464c /* CUFL in ascii */ 149 150 #define CUDBG_FL_MAJOR_VERSION 1 151 #define CUDBG_FL_MINOR_VERSION 1 152 #define CUDBG_FL_BUILD_VERSION 0 153 154 void update_skip_size(struct cudbg_flash_sec_info *, u32); 155 int write_compression_hdr(struct cudbg_buffer *, struct cudbg_buffer *); 156 int compress_buff(struct cudbg_buffer *, struct cudbg_buffer *); 157 int get_scratch_buff(struct cudbg_buffer *, u32, struct cudbg_buffer *); 158 void release_scratch_buff(struct cudbg_buffer *, struct cudbg_buffer *); 159 int decompress_buffer(struct cudbg_buffer *, struct cudbg_buffer *); 160 int validate_buffer(struct cudbg_buffer *compressed_buffer); 161 int decompress_buffer_wrapper(struct cudbg_buffer *pc_buff, 162 struct cudbg_buffer *pdc_buff); 163 int get_entity_rev(struct cudbg_ver_hdr *ver_hdr); 164 void sort_t(void *base, int num, int size, 165 int (*cmp_func)(const void *, const void *), 166 void (*swap_func)(void *, void *, int size)); 167 int cudbg_read_flash(void *handle, void *data, u32 size, int data_flag); 168 int cudbg_write_flash(void *handle, u64 timestamp, void *data, 169 u32 start_offset, u32 start_hdr_offset, 170 u32 cur_entity_size, 171 u32 ext_size); 172 #endif 173