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) 2017-2019 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_MENLO_CMD               8
  37 #define LPFC_BSG_VENDOR_MENLO_DATA              9
  38 #define LPFC_BSG_VENDOR_DIAG_MODE_END           10
  39 #define LPFC_BSG_VENDOR_LINK_DIAG_TEST          11
  40 #define LPFC_BSG_VENDOR_FORCED_LINK_SPEED       14
  41 #define LPFC_BSG_VENDOR_RAS_GET_LWPD            16
  42 #define LPFC_BSG_VENDOR_RAS_GET_FWLOG           17
  43 #define LPFC_BSG_VENDOR_RAS_GET_CONFIG          18
  44 #define LPFC_BSG_VENDOR_RAS_SET_CONFIG          19
  45 #define LPFC_BSG_VENDOR_GET_TRUNK_INFO          20
  46
  47 struct set_ct_event {
  48         uint32_t command;
  49         uint32_t type_mask;
  50         uint32_t ev_req_id;
  51         uint32_t ev_reg_id;
  52 };
  53
  54 struct get_ct_event {
  55         uint32_t command;
  56         uint32_t ev_reg_id;
  57         uint32_t ev_req_id;
  58 };
  59
  60 struct get_ct_event_reply {
  61         uint32_t immed_data;
  62         uint32_t type;
  63 };
  64
  65 struct send_mgmt_resp {
  66         uint32_t command;
  67         uint32_t tag;
  68 };
  69
  70
  71 #define DISABLE_LOOP_BACK  0x0 /* disables loop back */
  72 #define INTERNAL_LOOP_BACK 0x1 /* adapter short cuts the loop internally */
  73 #define EXTERNAL_LOOP_BACK 0x2 /* requires an external loopback plug */
  74
  75 struct diag_mode_set {
  76         uint32_t command;
  77         uint32_t type;
  78         uint32_t timeout;
  79         uint32_t physical_link;
  80 };
  81
  82 struct sli4_link_diag {
  83         uint32_t command;
  84         uint32_t timeout;
  85         uint32_t test_id;
  86         uint32_t loops;
  87         uint32_t test_version;
  88         uint32_t error_action;
  89 };
  90
  91 struct diag_mode_test {
  92         uint32_t command;
  93 };
  94
  95 struct diag_status {
  96         uint32_t mbox_status;
  97         uint32_t shdr_status;
  98         uint32_t shdr_add_status;
  99 };
 100
 101 #define LPFC_WWNN_TYPE          0
 102 #define LPFC_WWPN_TYPE          1
 103
 104 struct get_mgmt_rev {
 105         uint32_t command;
 106 };
 107
 108 #define MANAGEMENT_MAJOR_REV   1
 109 #define MANAGEMENT_MINOR_REV   1
 110
 111 /* the MgmtRevInfo structure */
 112 struct MgmtRevInfo {
 113         uint32_t a_Major;
 114         uint32_t a_Minor;
 115 };
 116
 117 struct get_mgmt_rev_reply {
 118         struct MgmtRevInfo info;
 119 };
 120
 121 #define BSG_MBOX_SIZE 4096 /* mailbox command plus extended data */
 122
 123 /* BSG mailbox request header */
 124 struct dfc_mbox_req {
 125         uint32_t command;
 126         uint32_t mbOffset;
 127         uint32_t inExtWLen;
 128         uint32_t outExtWLen;
 129         uint32_t extMboxTag;
 130         uint32_t extSeqNum;
 131 };
 132
 133 /* Used for menlo command or menlo data. The xri is only used for menlo data */
 134 struct menlo_command {
 135         uint32_t cmd;
 136         uint32_t xri;
 137 };
 138
 139 struct menlo_response {
 140         uint32_t xri; /* return the xri of the iocb exchange */
 141 };
 142
 143 /*
 144  * macros and data structures for handling sli-config mailbox command
 145  * pass-through support, this header file is shared between user and
 146  * kernel spaces, note the set of macros are duplicates from lpfc_hw4.h,
 147  * with macro names prefixed with bsg_, as the macros defined in
 148  * lpfc_hw4.h are not accessible from user space.
 149  */
 150
 151 /* Macros to deal with bit fields. Each bit field must have 3 #defines
 152  * associated with it (_SHIFT, _MASK, and _WORD).
 153  * EG. For a bit field that is in the 7th bit of the "field4" field of a
 154  * structure and is 2 bits in size the following #defines must exist:
 155  *      struct temp {
 156  *              uint32_t        field1;
 157  *              uint32_t        field2;
 158  *              uint32_t        field3;
 159  *              uint32_t        field4;
 160  *      #define example_bit_field_SHIFT         7
 161  *      #define example_bit_field_MASK          0x03
 162  *      #define example_bit_field_WORD          field4
 163  *              uint32_t        field5;
 164  *      };
 165  * Then the macros below may be used to get or set the value of that field.
 166  * EG. To get the value of the bit field from the above example:
 167  *      struct temp t1;
 168  *      value = bsg_bf_get(example_bit_field, &t1);
 169  * And then to set that bit field:
 170  *      bsg_bf_set(example_bit_field, &t1, 2);
 171  * Or clear that bit field:
 172  *      bsg_bf_set(example_bit_field, &t1, 0);
 173  */
 174 #define bsg_bf_get_le32(name, ptr) \
 175         ((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
 176 #define bsg_bf_get(name, ptr) \
 177         (((ptr)->name##_WORD >> name##_SHIFT) & name##_MASK)
 178 #define bsg_bf_set_le32(name, ptr, value) \
 179         ((ptr)->name##_WORD = cpu_to_le32(((((value) & \
 180         name##_MASK) << name##_SHIFT) | (le32_to_cpu((ptr)->name##_WORD) & \
 181         ~(name##_MASK << name##_SHIFT)))))
 182 #define bsg_bf_set(name, ptr, value) \
 183         ((ptr)->name##_WORD = ((((value) & name##_MASK) << name##_SHIFT) | \
 184         ((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT))))
 185
 186 /*
 187  * The sli_config structure specified here is based on the following
 188  * restriction:
 189  *
 190  * -- SLI_CONFIG EMB=0, carrying MSEs, will carry subcommands without
 191  *    carrying HBD.
 192  * -- SLI_CONFIG EMB=1, not carrying MSE, will carry subcommands with or
 193  *    without carrying HBDs.
 194  */
 195
 196 struct lpfc_sli_config_mse {
 197         uint32_t pa_lo;
 198         uint32_t pa_hi;
 199         uint32_t buf_len;
 200 #define lpfc_mbox_sli_config_mse_len_SHIFT      0
 201 #define lpfc_mbox_sli_config_mse_len_MASK       0xffffff
 202 #define lpfc_mbox_sli_config_mse_len_WORD       buf_len
 203 };
 204
 205 struct lpfc_sli_config_hbd {
 206         uint32_t buf_len;
 207 #define lpfc_mbox_sli_config_ecmn_hbd_len_SHIFT 0
 208 #define lpfc_mbox_sli_config_ecmn_hbd_len_MASK  0xffffff
 209 #define lpfc_mbox_sli_config_ecmn_hbd_len_WORD  buf_len
 210         uint32_t pa_lo;
 211         uint32_t pa_hi;
 212 };
 213
 214 struct lpfc_sli_config_hdr {
 215         uint32_t word1;
 216 #define lpfc_mbox_hdr_emb_SHIFT         0
 217 #define lpfc_mbox_hdr_emb_MASK          0x00000001
 218 #define lpfc_mbox_hdr_emb_WORD          word1
 219 #define lpfc_mbox_hdr_mse_cnt_SHIFT     3
 220 #define lpfc_mbox_hdr_mse_cnt_MASK      0x0000001f
 221 #define lpfc_mbox_hdr_mse_cnt_WORD      word1
 222         uint32_t payload_length;
 223         uint32_t tag_lo;
 224         uint32_t tag_hi;
 225         uint32_t reserved5;
 226 };
 227
 228 struct lpfc_sli_config_emb0_subsys {
 229         struct lpfc_sli_config_hdr      sli_config_hdr;
 230 #define LPFC_MBX_SLI_CONFIG_MAX_MSE     19
 231         struct lpfc_sli_config_mse      mse[LPFC_MBX_SLI_CONFIG_MAX_MSE];
 232         uint32_t padding;
 233         uint32_t word64;
 234 #define lpfc_emb0_subcmnd_opcode_SHIFT  0
 235 #define lpfc_emb0_subcmnd_opcode_MASK   0xff
 236 #define lpfc_emb0_subcmnd_opcode_WORD   word64
 237 #define lpfc_emb0_subcmnd_subsys_SHIFT  8
 238 #define lpfc_emb0_subcmnd_subsys_MASK   0xff
 239 #define lpfc_emb0_subcmnd_subsys_WORD   word64
 240 /* Subsystem FCOE (0x0C) OpCodes */
 241 #define SLI_CONFIG_SUBSYS_FCOE          0x0C
 242 #define FCOE_OPCODE_READ_FCF            0x08
 243 #define FCOE_OPCODE_ADD_FCF             0x09
 244 #define FCOE_OPCODE_SET_DPORT_MODE      0x27
 245 #define FCOE_OPCODE_GET_DPORT_RESULTS   0x28
 246 };
 247
 248 struct lpfc_sli_config_emb1_subsys {
 249         struct lpfc_sli_config_hdr      sli_config_hdr;
 250         uint32_t word6;
 251 #define lpfc_emb1_subcmnd_opcode_SHIFT  0
 252 #define lpfc_emb1_subcmnd_opcode_MASK   0xff
 253 #define lpfc_emb1_subcmnd_opcode_WORD   word6
 254 #define lpfc_emb1_subcmnd_subsys_SHIFT  8
 255 #define lpfc_emb1_subcmnd_subsys_MASK   0xff
 256 #define lpfc_emb1_subcmnd_subsys_WORD   word6
 257 /* Subsystem COMN (0x01) OpCodes */
 258 #define SLI_CONFIG_SUBSYS_COMN          0x01
 259 #define COMN_OPCODE_GET_PROFILE_CONFIG  0xA4
 260 #define COMN_OPCODE_READ_OBJECT         0xAB
 261 #define COMN_OPCODE_WRITE_OBJECT        0xAC
 262 #define COMN_OPCODE_READ_OBJECT_LIST    0xAD
 263 #define COMN_OPCODE_DELETE_OBJECT       0xAE
 264 #define COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES    0x79
 265 #define COMN_OPCODE_GET_CNTL_ATTRIBUTES 0x20
 266         uint32_t timeout;
 267         uint32_t request_length;
 268         uint32_t word9;
 269 #define lpfc_subcmnd_version_SHIFT      0
 270 #define lpfc_subcmnd_version_MASK       0xff
 271 #define lpfc_subcmnd_version_WORD       word9
 272         uint32_t word10;
 273 #define lpfc_subcmnd_ask_rd_len_SHIFT   0
 274 #define lpfc_subcmnd_ask_rd_len_MASK    0xffffff
 275 #define lpfc_subcmnd_ask_rd_len_WORD    word10
 276         uint32_t rd_offset;
 277         uint32_t obj_name[26];
 278         uint32_t hbd_count;
 279 #define LPFC_MBX_SLI_CONFIG_MAX_HBD     8
 280         struct lpfc_sli_config_hbd      hbd[LPFC_MBX_SLI_CONFIG_MAX_HBD];
 281 };
 282
 283 struct lpfc_sli_config_mbox {
 284         uint32_t word0;
 285 #define lpfc_mqe_status_SHIFT           16
 286 #define lpfc_mqe_status_MASK            0x0000FFFF
 287 #define lpfc_mqe_status_WORD            word0
 288 #define lpfc_mqe_command_SHIFT          8
 289 #define lpfc_mqe_command_MASK           0x000000FF
 290 #define lpfc_mqe_command_WORD           word0
 291         union {
 292                 struct lpfc_sli_config_emb0_subsys sli_config_emb0_subsys;
 293                 struct lpfc_sli_config_emb1_subsys sli_config_emb1_subsys;
 294         } un;
 295 };
 296
 297 #define LPFC_FORCED_LINK_SPEED_NOT_SUPPORTED    0
 298 #define LPFC_FORCED_LINK_SPEED_SUPPORTED        1
 299 struct get_forced_link_speed_support {
 300         uint32_t command;
 301 };
 302 struct forced_link_speed_support_reply {
 303         uint8_t supported;
 304 };
 305
 306 struct lpfc_bsg_ras_req {
 307         uint32_t command;
 308 };
 309
 310 struct lpfc_bsg_get_fwlog_req {
 311         uint32_t command;
 312         uint32_t read_size;
 313         uint32_t read_offset;
 314 };
 315
 316 struct lpfc_bsg_get_ras_lwpd {
 317         uint32_t offset;
 318         uint32_t wrap_count;
 319 };
 320
 321 struct lpfc_bsg_set_ras_config_req {
 322         uint32_t command;
 323         uint8_t action;
 324 #define LPFC_RASACTION_STOP_LOGGING     0x00
 325 #define LPFC_RASACTION_START_LOGGING    0x01
 326         uint8_t log_level;
 327 };
 328
 329 struct lpfc_bsg_get_ras_config_reply {
 330         uint8_t state;
 331 #define LPFC_RASLOG_STATE_STOPPED 0x00
 332 #define LPFC_RASLOG_STATE_RUNNING 0x01
 333         uint8_t log_level;
 334         uint32_t log_buff_sz;
 335 };
 336
 337 struct lpfc_trunk_info {
 338         uint32_t word0;
 339 #define lpfc_trunk_info_link_status_SHIFT      0
 340 #define lpfc_trunk_info_link_status_MASK       1
 341 #define lpfc_trunk_info_link_status_WORD       word0
 342 #define lpfc_trunk_info_trunk_active0_SHIFT    8
 343 #define lpfc_trunk_info_trunk_active0_MASK     1
 344 #define lpfc_trunk_info_trunk_active0_WORD     word0
 345 #define lpfc_trunk_info_trunk_active1_SHIFT    9
 346 #define lpfc_trunk_info_trunk_active1_MASK     1
 347 #define lpfc_trunk_info_trunk_active1_WORD     word0
 348 #define lpfc_trunk_info_trunk_active2_SHIFT    10
 349 #define lpfc_trunk_info_trunk_active2_MASK     1
 350 #define lpfc_trunk_info_trunk_active2_WORD     word0
 351 #define lpfc_trunk_info_trunk_active3_SHIFT    11
 352 #define lpfc_trunk_info_trunk_active3_MASK     1
 353 #define lpfc_trunk_info_trunk_active3_WORD     word0
 354 #define lpfc_trunk_info_trunk_config0_SHIFT    12
 355 #define lpfc_trunk_info_trunk_config0_MASK     1
 356 #define lpfc_trunk_info_trunk_config0_WORD     word0
 357 #define lpfc_trunk_info_trunk_config1_SHIFT    13
 358 #define lpfc_trunk_info_trunk_config1_MASK     1
 359 #define lpfc_trunk_info_trunk_config1_WORD     word0
 360 #define lpfc_trunk_info_trunk_config2_SHIFT    14
 361 #define lpfc_trunk_info_trunk_config2_MASK     1
 362 #define lpfc_trunk_info_trunk_config2_WORD     word0
 363 #define lpfc_trunk_info_trunk_config3_SHIFT    15
 364 #define lpfc_trunk_info_trunk_config3_MASK     1
 365 #define lpfc_trunk_info_trunk_config3_WORD     word0
 366         uint16_t    port_speed;
 367         uint16_t    logical_speed;
 368         uint32_t    reserved3;
 369 };
 370
 371 struct get_trunk_info_req {
 372         uint32_t command;
 373 };
 374
 375 /* driver only */
 376 #define SLI_CONFIG_NOT_HANDLED          0
 377 #define SLI_CONFIG_HANDLED              1