sys/bus/firewire/iec13213.h

   1 /*
   2  * Copyright (c) 2003 Hidetoshi Shimokawa
   3  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the acknowledgement as bellow:
  16  *
  17  *    This product includes software developed by K. Kobayashi and H. Shimokawa
  18  *
  19  * 4. The name of the author may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  30  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  *
  34  * $FreeBSD: src/sys/dev/firewire/iec13213.h,v 1.10 2003/06/16 08:29:24 simokawa Exp $
  35  * $DragonFly: src/sys/bus/firewire/iec13213.h,v 1.3 2004/02/05 13:32:08 joerg Exp $
  36  */
  37
  38 #define STATE_CLEAR     0x0000
  39 #define STATE_SET       0x0004
  40 #define NODE_IDS        0x0008
  41 #define RESET_START     0x000c
  42 #define SPLIT_TIMEOUT_HI        0x0018
  43 #define SPLIT_TIMEOUT_LO        0x001c
  44 #define CYCLE_TIME      0x0200
  45 #define BUS_TIME        0x0204
  46 #define BUSY_TIMEOUT    0x0210
  47 #define PRIORITY_BUDGET 0x0218
  48 #define BUS_MGR_ID      0x021c
  49 #define BANDWIDTH_AV    0x0220
  50 #define CHANNELS_AV_HI  0x0224
  51 #define CHANNELS_AV_LO  0x0228
  52 #define IP_CHANNELS     0x0234
  53
  54 #define CONF_ROM        0x0400
  55
  56 #define TOPO_MAP        0x1000
  57 #define SPED_MAP        0x2000
  58
  59 #define CSRTYPE_SHIFT   6
  60 #define CSRTYPE_MASK    (3 << CSRTYPE_SHIFT)
  61 #define CSRTYPE_I       (0 << CSRTYPE_SHIFT) /* Immediate */
  62 #define CSRTYPE_C       (1 << CSRTYPE_SHIFT) /* CSR offset */
  63 #define CSRTYPE_L       (2 << CSRTYPE_SHIFT) /* Leaf */
  64 #define CSRTYPE_D       (3 << CSRTYPE_SHIFT) /* Directory */
  65
  66 /*
  67  * CSR keys
  68  * 00 - 2F: defined by CSR architecture standards.
  69  * 30 - 37: defined by BUS starndards
  70  * 38 - 3F: defined by Vendor/Specifier
  71  */
  72 #define CSRKEY_MASK     0x3f
  73 #define CSRKEY_DESC     0x01 /* Descriptor */
  74 #define CSRKEY_BDINFO   0x02 /* Bus_Dependent_Info */
  75 #define CSRKEY_VENDOR   0x03 /* Vendor */
  76 #define CSRKEY_HW       0x04 /* Hardware_Version */
  77 #define CSRKEY_MODULE   0x07 /* Module */
  78 #define CSRKEY_NCAP     0x0c /* Node_Capabilities */
  79 #define CSRKEY_EUI64    0x0d /* EUI_64 */
  80 #define CSRKEY_UNIT     0x11 /* Unit */
  81 #define CSRKEY_SPEC     0x12 /* Specifier_ID */
  82 #define CSRKEY_VER      0x13 /* Version */
  83 #define CSRKEY_DINFO    0x14 /* Dependent_Info */
  84 #define CSRKEY_ULOC     0x15 /* Unit_Location */
  85 #define CSRKEY_MODEL    0x17 /* Model */
  86 #define CSRKEY_INST     0x18 /* Instance */
  87 #define CSRKEY_KEYW     0x19 /* Keyword */
  88 #define CSRKEY_FEAT     0x1a /* Feature */
  89 #define CSRKEY_EROM     0x1b /* Extended_ROM */
  90 #define CSRKEY_EKSID    0x1c /* Extended_Key_Specifier_ID */
  91 #define CSRKEY_EKEY     0x1d /* Extended_Key */
  92 #define CSRKEY_EDATA    0x1e /* Extended_Data */
  93 #define CSRKEY_MDESC    0x1f /* Modifiable_Descriptor */
  94 #define CSRKEY_DID      0x20 /* Directory_ID */
  95 #define CSRKEY_REV      0x21 /* Revision */
  96
  97 #define CSRKEY_FIRM_VER 0x3c /* Firemware version */
  98 #define CSRKEY_UNIT_CH  0x3a /* Unit characteristics */
  99 #define CSRKEY_COM_SPEC 0x38 /* Command set revision */
 100 #define CSRKEY_COM_SET  0x39 /* Command set */
 101
 102 #define CROM_UDIR       (CSRTYPE_D | CSRKEY_UNIT)  /* 0x81 Unit directory */
 103 #define CROM_TEXTLEAF   (CSRTYPE_L | CSRKEY_DESC)  /* 0x81 Text leaf */
 104 #define CROM_LUN        (CSRTYPE_I | CSRKEY_DINFO) /* 0x14 Logical unit num. */
 105 #define CROM_MGM        (CSRTYPE_C | CSRKEY_DINFO) /* 0x54 Management agent */
 106
 107 #define CSRVAL_VENDOR_PRIVATE   0xacde48
 108 #define CSRVAL_1394TA   0x00a02d
 109 #define CSRVAL_ANSIT10  0x00609e
 110 #define CSRVAL_IETF     0x00005e
 111
 112 #define CSR_PROTAVC     0x010001
 113 #define CSR_PROTCAL     0x010002
 114 #define CSR_PROTEHS     0x010004
 115 #define CSR_PROTHAVI    0x010008
 116 #define CSR_PROTCAM104  0x000100
 117 #define CSR_PROTCAM120  0x000101
 118 #define CSR_PROTCAM130  0x000102
 119 #define CSR_PROTDPP     0x0a6be2
 120 #define CSR_PROTIICP    0x4b661f
 121
 122 #define CSRVAL_T10SBP2  0x010483
 123 #define CSRVAL_SCSI     0x0104d8
 124
 125 struct csrreg {
 126 #if BYTE_ORDER == BIG_ENDIAN
 127         u_int32_t key:8,
 128                   val:24;
 129 #else
 130         u_int32_t val:24,
 131                   key:8;
 132 #endif
 133 };
 134 struct csrhdr {
 135 #if BYTE_ORDER == BIG_ENDIAN
 136         u_int32_t info_len:8,
 137                   crc_len:8,
 138                   crc:16;
 139 #else
 140         u_int32_t crc:16,
 141                   crc_len:8,
 142                   info_len:8;
 143 #endif
 144 };
 145 struct csrdirectory {
 146         BIT16x2(crc_len, crc);
 147         struct csrreg entry[0];
 148 };
 149 struct csrtext {
 150         BIT16x2(crc_len, crc);
 151 #if BYTE_ORDER == BIG_ENDIAN
 152         u_int32_t spec_type:8,
 153                   spec_id:24;
 154 #else
 155         u_int32_t spec_id:24,
 156                   spec_type:8;
 157 #endif
 158         u_int32_t lang_id;
 159         u_int32_t text[0];
 160 };
 161
 162 struct bus_info {
 163 #define CSR_BUS_NAME_IEEE1394   0x31333934
 164         u_int32_t bus_name;
 165 #if BYTE_ORDER == BIG_ENDIAN
 166         u_int32_t irmc:1,               /* iso. resource manager capable */
 167                   cmc:1,                /* cycle master capable */
 168                   isc:1,                /* iso. operation support */
 169                   bmc:1,                /* bus manager capable */
 170                   pmc:1,                /* power manager capable */
 171                   :3,
 172                   cyc_clk_acc:8,        /* 0 <= ppm <= 100 */
 173                   max_rec:4,            /* (2 << max_rec) bytes */
 174                   :2,
 175                   max_rom:2,
 176                   generation:4,
 177                   :1,
 178                   link_spd:3;
 179 #else
 180         u_int32_t link_spd:3,
 181                   :1,
 182                   generation:4,
 183                   max_rom:2,
 184                   :2,
 185                   max_rec:4,            /* (2 << max_rec) bytes */
 186                   cyc_clk_acc:8,        /* 0 <= ppm <= 100 */
 187                   :3,
 188                   pmc:1,                /* power manager capable */
 189                   bmc:1,                /* bus manager capable */
 190                   isc:1,                /* iso. operation support */
 191                   cmc:1,                /* cycle master capable */
 192                   irmc:1;               /* iso. resource manager capable */
 193 #endif
 194         struct fw_eui64 eui64;
 195 };
 196 /* max_rom */
 197 #define MAXROM_4        0
 198 #define MAXROM_64       1
 199 #define MAXROM_1024     2
 200
 201 #define CROM_MAX_DEPTH  10
 202 struct crom_ptr {
 203         struct csrdirectory *dir;
 204         int index;
 205 };
 206
 207 struct crom_context {
 208         int depth;
 209         struct crom_ptr stack[CROM_MAX_DEPTH];
 210 };
 211
 212 void crom_init_context(struct crom_context *, u_int32_t *);
 213 struct csrreg *crom_get(struct crom_context *);
 214 void crom_next(struct crom_context *);
 215 void crom_parse_text(struct crom_context *, char *, int);
 216 u_int16_t crom_crc(u_int32_t *r, int);
 217 struct csrreg *crom_search_key(struct crom_context *, u_int8_t);
 218 int crom_has_specver(u_int32_t *, u_int32_t, u_int32_t);
 219
 220 #ifndef _KERNEL
 221 char *crom_desc(struct crom_context *, char *, int);
 222 #endif
 223
 224 /* For CROM build */
 225 #if defined(_KERNEL) || defined(TEST)
 226 #define CROM_MAX_CHUNK_LEN 20
 227 struct crom_src {
 228         struct csrhdr hdr;
 229         struct bus_info businfo;
 230         STAILQ_HEAD(, crom_chunk) chunk_list;
 231 };
 232
 233 struct crom_chunk {
 234         STAILQ_ENTRY(crom_chunk) link;
 235         struct crom_chunk *ref_chunk;
 236         int ref_index;
 237         int offset;
 238         struct {
 239                 BIT16x2(crc_len, crc);
 240                 u_int32_t buf[CROM_MAX_CHUNK_LEN];
 241         } data;
 242 };
 243
 244 extern int crom_add_quad(struct crom_chunk *, u_int32_t);
 245 extern int crom_add_entry(struct crom_chunk *, int, int);
 246 extern int crom_add_chunk(struct crom_src *src, struct crom_chunk *,
 247                                         struct crom_chunk *, int);
 248 extern int crom_add_simple_text(struct crom_src *src, struct crom_chunk *,
 249                                         struct crom_chunk *, char *);
 250 extern int crom_load(struct crom_src *, u_int32_t *, int);
 251 #endif