1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 #ifndef _FRU_ACCESS_IMPL_H
  28 #define _FRU_ACCESS_IMPL_H
  29 
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31 
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35 
  36 #include <stdlib.h>
  37 #include <stdio.h>
  38 #include <sys/types.h>
  39 #include <unistd.h>
  40 #include <sys/stat.h>
  41 #include <fcntl.h>
  42 #include <dial.h>
  43 #include <strings.h>
  44 #include <libdevinfo.h>
  45 #include <sys/systeminfo.h>
  46 #include <picl.h>
  47 #include <picltree.h>
  48 #include <syslog.h>
  49 #include <errno.h>
  50 #include <limits.h>
  51 #include "picldefs.h"
  52 #include "libfru.h"
  53 #include "fru_tag.h"
  54 #include "fru_access.h"
  55 
  56 /* converts slot# to ipmb addr */
  57 #define IPMB_ADDR(_X)   (((_X) < 10) ? (0xb0 + 2 * ((_X) - 1)) :\
  58                                         (0xb0 + 2 * (_X)))
  59 #define MANR_TAG                0xF80010B7      /* ManR tag */
  60 #define SEG_NAME_LEN            2
  61 
  62 #define MANR_TIME_LEN           4
  63 #define MANR_FRUDESCR_LEN       80
  64 #define MANR_MFRLOC_LEN         64
  65 #define MANR_PARTNUM_LEN        7
  66 #define MANR_SERIALNUM_LEN      6
  67 #define MANR_VENDORNAME_LEN     2
  68 #define MANR_DASHLVL_LEN        2
  69 #define MANR_REVLVL_LEN         2
  70 #define MANR_FRUNAME_LEN        16
  71 
  72 #define NO_FRUDATA      0x0
  73 #define IPMI_FORMAT     0x1
  74 #define SUN_FORMAT      0x2
  75 
  76 /* These are newly introduced #defines for Snowbird */
  77 #define INPUT_FILE      "/dev/ctsmc"
  78 #define NUM_OF_SECTIONS 2
  79 #define DYNAMIC_OFFSET  0x0
  80 #define STATIC_OFFSET   0x1800
  81 #define WRITE_SECTION   0
  82 #define DYNAMIC_LENGTH  (6 * 1024);     /* 6k bytes */
  83 #define STATIC_LENGTH   (2 * 1024);     /* 2k bytes */
  84 #define MANR_SIZE 183   /* MANR record size in bytes */
  85 
  86 #define PICL_SLOT_CPCI          "cpci"
  87 #define PICL_SLOT_PCI           "pci"
  88 #define PICL_NODE_CHASSIS       "chassis"
  89 #define SD_SEGMENT_NAME         "SD"
  90 #define SD_SEGMENT_DESCRIPTOR   0x00004924
  91 #define SEGMENT_TRAILER_LEN     1
  92 #define SEGMENT_CHKSM_LEN       4
  93 
  94 /* format structure */
  95 typedef struct {
  96         int format;
  97         int sun_lun;            /* this info comes from SDR */
  98         int sun_device_id;      /* this info comes from SDR */
  99         uint8_t src;
 100         uint8_t dest;
 101 } format_t;
 102 
 103 /* ManR payload structure */
 104 typedef struct {
 105         char timestamp[MANR_TIME_LEN];
 106         char fru_descr[MANR_FRUDESCR_LEN];
 107         char manufacture_loc[MANR_MFRLOC_LEN];
 108         char sun_part_no[MANR_PARTNUM_LEN];
 109         char sun_serial_no[MANR_SERIALNUM_LEN];
 110         char vendor_name[MANR_VENDORNAME_LEN];          /* JEDEC CODE */
 111         char inital_hw_dash_lvl[MANR_DASHLVL_LEN];
 112         char inital_hw_rev_lvl[MANR_REVLVL_LEN];
 113         char fru_short_name[MANR_FRUNAME_LEN];
 114 } payload_t;
 115 /* object types */
 116 typedef enum {CONTAINER_TYPE, SECTION_TYPE, SEGMENT_TYPE, PACKET_TYPE} object_t;
 117 
 118 #define TABLE_SIZE              64      /* hash table size */
 119 
 120 /* section header */
 121 #define SECTION_HDR_TAG         0x08
 122 #define SECTION_HDR_VER         0x0001
 123 #define SECTION_HDR_LENGTH      0x06
 124 #define SECTION_HDR_CRC8        0x00
 125 #define SECTION_HDR_VER_BIT0    0x00
 126 #define SECTION_HDR_VER_BIT1    0x01
 127 
 128 #define READ_ONLY_SECTION       1       /* section is read-only */
 129 
 130 #define GET_SEGMENT_DESCRIPTOR  \
 131                 (seg_layout->descriptor[1]|seg_layout->descriptor[0] << 16)
 132 
 133 #define GET_SECTION_HDR_VERSION \
 134                 (sec_hdr.headerversion[1]|sec_hdr.headerversion[0] << 8)
 135 
 136 /* Segment Trailer Tag */
 137 #define SEG_TRAILER_TAG         0x0C
 138 
 139 /* defines fixed segment */
 140 #define SEGMENT_FIXED           1
 141 
 142 #define DEFAULT_FD              -1
 143 #define DEFAULT_SEQN            -1
 144 #define FRUACCESS_MSG_ID        11
 145 
 146 typedef union {
 147         uint32_t all_bits;
 148         struct {
 149                 unsigned read_only : 1;
 150                 unsigned unused : 8;
 151                 unsigned : 8;
 152                 unsigned : 8;
 153                 unsigned : 7;
 154         } field;
 155 } sectdescbit_t;
 156 
 157 typedef struct {
 158         sectdescbit_t   description;
 159         uint32_t address; /* for SEEPROMS this is the offset */
 160         uint32_t size;
 161 } sectioninfo_t;
 162 
 163 typedef uint16_t headerrev_t;
 164 
 165 #define MAX_NUMOF_SECTION       2
 166 
 167 typedef struct {
 168         headerrev_t header_ver;
 169         int num_sections;
 170         sectioninfo_t section_info[MAX_NUMOF_SECTION];
 171 } container_info_t;
 172 
 173 /* section header layout */
 174 typedef struct {
 175         uint8_t headertag; /* section header tag */
 176         uint8_t headerversion[2]; /* header version (msb) */
 177         uint8_t headerlength; /* header length */
 178         uint8_t headercrc8; /* crc8 */
 179         uint8_t segmentcount; /* total number of segment */
 180 } section_layout_t;
 181 
 182 /* segment header layout */
 183 typedef struct  {
 184         uint16_t        name;   /* segment name */
 185         uint16_t        descriptor[2]; /* descriptor (msb) */
 186         uint16_t        offset; /* segment data offset */
 187         uint16_t        length; /* segment length */
 188 } segment_layout_t;
 189 
 190 /* segment information used in finding new offset for a new segment */
 191 typedef struct {
 192         int segnum;     /* segment number */
 193         int offset;     /* segment offset */
 194         int length;     /* segment length */
 195         int fixed;      /* fixed or non-fixed segment */
 196 } seg_info_t;
 197 
 198 typedef uint64_t        handle_t;
 199 
 200 struct  hash_obj;
 201 
 202 /* packet hash object */
 203 typedef struct {
 204         handle_t        segment_hdl;    /* segment handle */
 205         fru_tag_t       tag;
 206         int             tag_size;
 207         uint8_t         *payload;
 208         payload_t       payload_data;   /* reqd for ipmi format */
 209         uint32_t        paylen;
 210         uint32_t        payload_offset;
 211         struct hash_obj *next;
 212 } packet_obj_t;
 213 
 214 /* segment hash object */
 215 typedef struct {
 216         handle_t        section_hdl;    /* section handle */
 217         int             num_of_packets; /* in a segment */
 218         int             trailer_offset;
 219         segment_t       segment;
 220         struct hash_obj *pkt_obj_list;  /* packet object list */
 221         struct hash_obj *next;
 222 } segment_obj_t;
 223 
 224 /* section hash object */
 225 typedef struct {
 226         handle_t        cont_hdl;       /* container handle */
 227         section_t       section;
 228         int     num_of_segment;         /* in a section */
 229         struct hash_obj *seg_obj_list;  /* points to segment objects list */
 230         struct hash_obj *next;
 231 } section_obj_t;
 232 
 233 /* contianer hash object */
 234 typedef struct {
 235         char    device_pathname[PATH_MAX]; /* device name */
 236         int     num_of_section; /* num of section in container */
 237         format_t        format;
 238         struct hash_obj *sec_obj_list; /* points to section objects list */
 239 } container_obj_t;
 240 
 241 /* hash object */
 242 typedef struct hash_obj {
 243         int     object_type;
 244         handle_t obj_hdl;
 245         union {
 246                 container_obj_t         *cont_obj;
 247                 section_obj_t           *sec_obj;
 248                 segment_obj_t           *seg_obj;
 249                 packet_obj_t            *pkt_obj;
 250         } u;
 251         struct hash_obj         *next;
 252         struct hash_obj         *prev;
 253 } hash_obj_t;
 254 
 255 extern unsigned char compute_crc8(unsigned char *bytes, int length);
 256 extern long compute_crc32(unsigned char *bytes, int length);
 257 extern long compute_checksum32(unsigned char *bytes, int length);
 258 
 259 #ifdef  __cplusplus
 260 }
 261 #endif
 262 
 263 #endif /* _FRU_ACCESS_IMPL_H */