drivers/scsi/lpfc/lpfc_bsg.h

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term *
   5  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
   6  * Copyright (C) 2010-2015 Emulex.  All rights reserved.           *
   7  * EMULEX and SLI are trademarks of Emulex.                        *
   8  * www.broadcom.com                                                *
   9  *                                                                 *
  10  * This program is free software; you can redistribute it and/or   *
  11  * modify it under the terms of version 2 of the GNU General       *
  12  * Public License as published by the Free Software Foundation.    *
  13  * This program is distributed in the hope that it will be useful. *
  14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  19  * more details, a copy of which can be found in the file COPYING  *
  20  * included with this package.                                     *
  21  *******************************************************************/
  22 /* bsg definitions
  23  * No pointers to user data are allowed, all application buffers and sizes will
  24  * derived through the bsg interface.
  25  *
  26  * These are the vendor unique structures passed in using the bsg
  27  * FC_BSG_HST_VENDOR message code type.
  28  */
  29 #define LPFC_BSG_VENDOR_SET_CT_EVENT            1
  30 #define LPFC_BSG_VENDOR_GET_CT_EVENT            2
  31 #define LPFC_BSG_VENDOR_SEND_MGMT_RESP          3
  32 #define LPFC_BSG_VENDOR_DIAG_MODE               4
  33 #define LPFC_BSG_VENDOR_DIAG_RUN_LOOPBACK       5
  34 #define LPFC_BSG_VENDOR_GET_MGMT_REV            6
  35 #define LPFC_BSG_VENDOR_MBOX                    7
  36 #define LPFC_BSG_VENDOR_DIAG_MODE_END           10
  37 #define LPFC_BSG_VENDOR_LINK_DIAG_TEST          11
  38 #define LPFC_BSG_VENDOR_FORCED_LINK_SPEED       14
  39 #define LPFC_BSG_VENDOR_RAS_GET_LWPD            16
  40 #define LPFC_BSG_VENDOR_RAS_GET_FWLOG           17
  41 #define LPFC_BSG_VENDOR_RAS_GET_CONFIG          18
  42 #define LPFC_BSG_VENDOR_RAS_SET_CONFIG          19
  43 #define LPFC_BSG_VENDOR_GET_TRUNK_INFO          20
  44 #define LPFC_BSG_VENDOR_GET_CGNBUF_INFO         21
  45
  46 struct set_ct_event {
  47         uint32_t command;
  48         uint32_t type_mask;
  49         uint32_t ev_req_id;
  50         uint32_t ev_reg_id;
  51 };
  52
  53 struct get_ct_event {
  54         uint32_t command;
  55         uint32_t ev_reg_id;
  56         uint32_t ev_req_id;
  57 };
  58
  59 struct get_ct_event_reply {
  60         uint32_t immed_data;
  61         uint32_t type;
  62 };
  63
  64 struct send_mgmt_resp {
  65         uint32_t command;
  66         uint32_t tag;
  67 };
  68
  69
  70 #define DISABLE_LOOP_BACK  0x0 /* disables loop back */
  71 #define INTERNAL_LOOP_BACK 0x1 /* adapter short cuts the loop internally */
  72 #define EXTERNAL_LOOP_BACK 0x2 /* requires an external loopback plug */
  73
  74 struct diag_mode_set {
  75         uint32_t command;
  76         uint32_t type;
  77         uint32_t timeout;
  78         uint32_t physical_link;
  79 };
  80
  81 struct sli4_link_diag {
  82         uint32_t command;
  83         uint32_t timeout;
  84         uint32_t test_id;
  85         uint32_t loops;
  86         uint32_t test_version;
  87         uint32_t error_action;
  88 };
  89
  90 struct diag_mode_test {
  91         uint32_t command;
  92 };
  93
  94 struct diag_status {
  95         uint32_t mbox_status;
  96         uint32_t shdr_status;
  97         uint32_t shdr_add_status;
  98 };
  99
 100 #define LPFC_WWNN_TYPE          0
 101 #define LPFC_WWPN_TYPE          1
 102
 103 struct get_mgmt_rev {
 104         uint32_t command;
 105 };
 106
 107 #define MANAGEMENT_MAJOR_REV   1
 108 #define MANAGEMENT_MINOR_REV   1
 109
 110 /* the MgmtRevInfo structure */
 111 struct MgmtRevInfo {
 112         uint32_t a_Major;
 113         uint32_t a_Minor;
 114 };
 115
 116 struct get_mgmt_rev_reply {
 117         struct MgmtRevInfo info;
 118 };
 119
 120 #define BSG_MBOX_SIZE 4096 /* mailbox command plus extended data */
 121
 122 /* BSG mailbox request header */
 123 struct dfc_mbox_req {
 124         uint32_t command;
 125         uint32_t mbOffset;
 126         uint32_t inExtWLen;
 127         uint32_t outExtWLen;
 128         uint32_t extMboxTag;
 129         uint32_t extSeqNum;
 130 };
 131
 132 /*
 133  * macros and data structures for handling sli-config mailbox command
 134  * pass-through support, this header file is shared between user and
 135  * kernel spaces, note the set of macros are duplicates from lpfc_hw4.h,
 136  * with macro names prefixed with bsg_, as the macros defined in
 137  * lpfc_hw4.h are not accessible from user space.
 138  */
 139
 140 /* Macros to deal with bit fields. Each bit field must have 3 #defines
 141  * associated with it (_SHIFT, _MASK, and _WORD).
 142  * EG. For a bit field that is in the 7th bit of the "field4" field of a
 143  * structure and is 2 bits in size the following #defines must exist:
 144  *      struct temp {
 145  *              uint32_t        field1;
 146  *              uint32_t        field2;
 147  *              uint32_t        field3;
 148  *              uint32_t        field4;
 149  *      #define example_bit_field_SHIFT         7
 150  *      #define example_bit_field_MASK          0x03
 151  *      #define example_bit_field_WORD          field4
 152  *              uint32_t        field5;
 153  *      };
 154  * Then the macros below may be used to get or set the value of that field.
 155  * EG. To get the value of the bit field from the above example:
 156  *      struct temp t1;
 157  *      value = bsg_bf_get(example_bit_field, &t1);
 158  * And then to set that bit field:
 159  *      bsg_bf_set(example_bit_field, &t1, 2);
 160  * Or clear that bit field:
 161  *      bsg_bf_set(example_bit_field, &t1, 0);
 162  */
 163 #define bsg_bf_get_le32(name, ptr) \
 164         ((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
 165 #define bsg_bf_get(name, ptr) \
 166         (((ptr)->name##_WORD >> name##_SHIFT) & name##_MASK)
 167 #define bsg_bf_set_le32(name, ptr, value) \
 168         ((ptr)->name##_WORD = cpu_to_le32(((((value) & \
 169         name##_MASK) << name##_SHIFT) | (le32_to_cpu((ptr)->name##_WORD) & \
 170         ~(name##_MASK << name##_SHIFT)))))
 171 #define bsg_bf_set(name, ptr, value) \
 172         ((ptr)->name##_WORD = ((((value) & name##_MASK) << name##_SHIFT) | \
 173         ((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT))))
 174
 175 /*
 176  * The sli_config structure specified here is based on the following
 177  * restriction:
 178  *
 179  * -- SLI_CONFIG EMB=0, carrying MSEs, will carry subcommands without
 180  *    carrying HBD.
 181  * -- SLI_CONFIG EMB=1, not carrying MSE, will carry subcommands with or
 182  *    without carrying HBDs.
 183  */
 184
 185 struct lpfc_sli_config_mse {
 186         uint32_t pa_lo;
 187         uint32_t pa_hi;
 188         uint32_t buf_len;
 189 #define lpfc_mbox_sli_config_mse_len_SHIFT      0
 190 #define lpfc_mbox_sli_config_mse_len_MASK       0xffffff
 191 #define lpfc_mbox_sli_config_mse_len_WORD       buf_len
 192 };
 193
 194 struct lpfc_sli_config_hbd {
 195         uint32_t buf_len;
 196 #define lpfc_mbox_sli_config_ecmn_hbd_len_SHIFT 0
 197 #define lpfc_mbox_sli_config_ecmn_hbd_len_MASK  0xffffff
 198 #define lpfc_mbox_sli_config_ecmn_hbd_len_WORD  buf_len
 199         uint32_t pa_lo;
 200         uint32_t pa_hi;
 201 };
 202
 203 struct lpfc_sli_config_hdr {
 204         uint32_t word1;
 205 #define lpfc_mbox_hdr_emb_SHIFT         0
 206 #define lpfc_mbox_hdr_emb_MASK          0x00000001
 207 #define lpfc_mbox_hdr_emb_WORD          word1
 208 #define lpfc_mbox_hdr_mse_cnt_SHIFT     3
 209 #define lpfc_mbox_hdr_mse_cnt_MASK      0x0000001f
 210 #define lpfc_mbox_hdr_mse_cnt_WORD      word1
 211         uint32_t payload_length;
 212         uint32_t tag_lo;
 213         uint32_t tag_hi;
 214         uint32_t reserved5;
 215 };
 216
 217 #define LPFC_CSF_BOOT_DEV               0x1D
 218 #define LPFC_CSF_QUERY                  0
 219 #define LPFC_CSF_SAVE                   1
 220
 221 struct lpfc_sli_config_emb0_subsys {
 222         struct lpfc_sli_config_hdr      sli_config_hdr;
 223 #define LPFC_MBX_SLI_CONFIG_MAX_MSE     19
 224         struct lpfc_sli_config_mse      mse[LPFC_MBX_SLI_CONFIG_MAX_MSE];
 225         uint32_t padding;
 226         uint32_t word64;
 227 #define lpfc_emb0_subcmnd_opcode_SHIFT  0
 228 #define lpfc_emb0_subcmnd_opcode_MASK   0xff
 229 #define lpfc_emb0_subcmnd_opcode_WORD   word64
 230 #define lpfc_emb0_subcmnd_subsys_SHIFT  8
 231 #define lpfc_emb0_subcmnd_subsys_MASK   0xff
 232 #define lpfc_emb0_subcmnd_subsys_WORD   word64
 233 /* Subsystem FCOE (0x0C) OpCodes */
 234 #define SLI_CONFIG_SUBSYS_FCOE          0x0C
 235 #define FCOE_OPCODE_READ_FCF            0x08
 236 #define FCOE_OPCODE_ADD_FCF             0x09
 237 #define FCOE_OPCODE_SET_DPORT_MODE      0x27
 238 #define FCOE_OPCODE_GET_DPORT_RESULTS   0x28
 239         uint32_t timeout;               /* comn_set_feature timeout */
 240         uint32_t request_length;        /* comn_set_feature request len */
 241         uint32_t version;               /* comn_set_feature version */
 242         uint32_t csf_feature;           /* comn_set_feature feature */
 243         uint32_t word69;                /* comn_set_feature parameter len */
 244         uint32_t word70;                /* comn_set_feature parameter val0 */
 245 #define lpfc_emb0_subcmnd_csf_p0_SHIFT  0
 246 #define lpfc_emb0_subcmnd_csf_p0_MASK   0x3
 247 #define lpfc_emb0_subcmnd_csf_p0_WORD   word70
 248 };
 249
 250 struct lpfc_sli_config_emb1_subsys {
 251         struct lpfc_sli_config_hdr      sli_config_hdr;
 252         uint32_t word6;
 253 #define lpfc_emb1_subcmnd_opcode_SHIFT  0
 254 #define lpfc_emb1_subcmnd_opcode_MASK   0xff
 255 #define lpfc_emb1_subcmnd_opcode_WORD   word6
 256 #define lpfc_emb1_subcmnd_subsys_SHIFT  8
 257 #define lpfc_emb1_subcmnd_subsys_MASK   0xff
 258 #define lpfc_emb1_subcmnd_subsys_WORD   word6
 259 /* Subsystem COMN (0x01) OpCodes */
 260 #define SLI_CONFIG_SUBSYS_COMN          0x01
 261 #define COMN_OPCODE_GET_PROFILE_CONFIG  0xA4
 262 #define COMN_OPCODE_READ_OBJECT         0xAB
 263 #define COMN_OPCODE_WRITE_OBJECT        0xAC
 264 #define COMN_OPCODE_READ_OBJECT_LIST    0xAD
 265 #define COMN_OPCODE_DELETE_OBJECT       0xAE
 266 #define COMN_OPCODE_SET_FEATURES        0xBF
 267 #define COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES    0x79
 268 #define COMN_OPCODE_GET_CNTL_ATTRIBUTES 0x20
 269         uint32_t timeout;
 270         uint32_t request_length;
 271         uint32_t word9;
 272 #define lpfc_subcmnd_version_SHIFT      0
 273 #define lpfc_subcmnd_version_MASK       0xff
 274 #define lpfc_subcmnd_version_WORD       word9
 275         uint32_t word10;
 276 #define lpfc_subcmnd_ask_rd_len_SHIFT   0
 277 #define lpfc_subcmnd_ask_rd_len_MASK    0xffffff
 278 #define lpfc_subcmnd_ask_rd_len_WORD    word10
 279         uint32_t rd_offset;
 280         uint32_t obj_name[26];
 281         uint32_t hbd_count;
 282 #define LPFC_MBX_SLI_CONFIG_MAX_HBD     8
 283         struct lpfc_sli_config_hbd      hbd[LPFC_MBX_SLI_CONFIG_MAX_HBD];
 284 };
 285
 286 struct lpfc_sli_config_mbox {
 287         uint32_t word0;
 288 #define lpfc_mqe_status_SHIFT           16
 289 #define lpfc_mqe_status_MASK            0x0000FFFF
 290 #define lpfc_mqe_status_WORD            word0
 291 #define lpfc_mqe_command_SHIFT          8
 292 #define lpfc_mqe_command_MASK           0x000000FF
 293 #define lpfc_mqe_command_WORD           word0
 294         union {
 295                 struct lpfc_sli_config_emb0_subsys sli_config_emb0_subsys;
 296                 struct lpfc_sli_config_emb1_subsys sli_config_emb1_subsys;
 297         } un;
 298 };
 299
 300 #define LPFC_FORCED_LINK_SPEED_NOT_SUPPORTED    0
 301 #define LPFC_FORCED_LINK_SPEED_SUPPORTED        1
 302 struct get_forced_link_speed_support {
 303         uint32_t command;
 304 };
 305 struct forced_link_speed_support_reply {
 306         uint8_t supported;
 307 };
 308
 309 struct lpfc_bsg_ras_req {
 310         uint32_t command;
 311 };
 312
 313 struct lpfc_bsg_get_fwlog_req {
 314         uint32_t command;
 315         uint32_t read_size;
 316         uint32_t read_offset;
 317 };
 318
 319 struct lpfc_bsg_get_ras_lwpd {
 320         uint32_t offset;
 321         uint32_t wrap_count;
 322 };
 323
 324 struct lpfc_bsg_set_ras_config_req {
 325         uint32_t command;
 326         uint8_t action;
 327 #define LPFC_RASACTION_STOP_LOGGING     0x00
 328 #define LPFC_RASACTION_START_LOGGING    0x01
 329         uint8_t log_level;
 330 };
 331
 332 struct lpfc_bsg_get_ras_config_reply {
 333         uint8_t state;
 334 #define LPFC_RASLOG_STATE_STOPPED 0x00
 335 #define LPFC_RASLOG_STATE_RUNNING 0x01
 336         uint8_t log_level;
 337         uint32_t log_buff_sz;
 338 };
 339
 340 struct lpfc_trunk_info {
 341         uint32_t word0;
 342 #define lpfc_trunk_info_link_status_SHIFT      0
 343 #define lpfc_trunk_info_link_status_MASK       1
 344 #define lpfc_trunk_info_link_status_WORD       word0
 345 #define lpfc_trunk_info_trunk_active0_SHIFT    8
 346 #define lpfc_trunk_info_trunk_active0_MASK     1
 347 #define lpfc_trunk_info_trunk_active0_WORD     word0
 348 #define lpfc_trunk_info_trunk_active1_SHIFT    9
 349 #define lpfc_trunk_info_trunk_active1_MASK     1
 350 #define lpfc_trunk_info_trunk_active1_WORD     word0
 351 #define lpfc_trunk_info_trunk_active2_SHIFT    10
 352 #define lpfc_trunk_info_trunk_active2_MASK     1
 353 #define lpfc_trunk_info_trunk_active2_WORD     word0
 354 #define lpfc_trunk_info_trunk_active3_SHIFT    11
 355 #define lpfc_trunk_info_trunk_active3_MASK     1
 356 #define lpfc_trunk_info_trunk_active3_WORD     word0
 357 #define lpfc_trunk_info_trunk_config0_SHIFT    12
 358 #define lpfc_trunk_info_trunk_config0_MASK     1
 359 #define lpfc_trunk_info_trunk_config0_WORD     word0
 360 #define lpfc_trunk_info_trunk_config1_SHIFT    13
 361 #define lpfc_trunk_info_trunk_config1_MASK     1
 362 #define lpfc_trunk_info_trunk_config1_WORD     word0
 363 #define lpfc_trunk_info_trunk_config2_SHIFT    14
 364 #define lpfc_trunk_info_trunk_config2_MASK     1
 365 #define lpfc_trunk_info_trunk_config2_WORD     word0
 366 #define lpfc_trunk_info_trunk_config3_SHIFT    15
 367 #define lpfc_trunk_info_trunk_config3_MASK     1
 368 #define lpfc_trunk_info_trunk_config3_WORD     word0
 369         uint16_t    port_speed;
 370         uint16_t    logical_speed;
 371         uint32_t    reserved3;
 372 };
 373
 374 struct get_trunk_info_req {
 375         uint32_t command;
 376 };
 377
 378 struct get_cgnbuf_info_req {
 379         uint32_t command;
 380         uint32_t read_size;
 381         uint32_t reset;
 382 #define LPFC_BSG_CGN_RESET_STAT         1
 383 };
 384
 385 /* driver only */
 386 #define SLI_CONFIG_NOT_HANDLED          0
 387 #define SLI_CONFIG_HANDLED              1