drivers/net/ethernet/qlogic/qed/qed_mcp.c

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015 QLogic Corporation
   3  *
   4  * This software is available under the terms of the GNU General Public License
   5  * (GPL) Version 2, available from the file COPYING in the main directory of
   6  * this source tree.
   7  */
   8
   9 #include <linux/types.h>
  10 #include <asm/byteorder.h>
  11 #include <linux/delay.h>
  12 #include <linux/errno.h>
  13 #include <linux/kernel.h>
  14 #include <linux/slab.h>
  15 #include <linux/spinlock.h>
  16 #include <linux/string.h>
  17 #include "qed.h"
  18 #include "qed_dcbx.h"
  19 #include "qed_hsi.h"
  20 #include "qed_hw.h"
  21 #include "qed_mcp.h"
  22 #include "qed_reg_addr.h"
  23 #include "qed_sriov.h"
  24
  25 #define CHIP_MCP_RESP_ITER_US 10
  26
  27 #define QED_DRV_MB_MAX_RETRIES  (500 * 1000)    /* Account for 5 sec */
  28 #define QED_MCP_RESET_RETRIES   (50 * 1000)     /* Account for 500 msec */
  29
  30 #define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val)           \
  31         qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \
  32                _val)
  33
  34 #define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
  35         qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset))
  36
  37 #define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val)  \
  38         DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
  39                      offsetof(struct public_drv_mb, _field), _val)
  40
  41 #define DRV_MB_RD(_p_hwfn, _p_ptt, _field)         \
  42         DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
  43                      offsetof(struct public_drv_mb, _field))
  44
  45 #define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
  46                   DRV_ID_PDA_COMP_VER_SHIFT)
  47
  48 #define MCP_BYTES_PER_MBIT_SHIFT 17
  49
  50 bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
  51 {
  52         if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
  53                 return false;
  54         return true;
  55 }
  56
  57 void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn,
  58                            struct qed_ptt *p_ptt)
  59 {
  60         u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
  61                                         PUBLIC_PORT);
  62         u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
  63
  64         p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
  65                                                    MFW_PORT(p_hwfn));
  66         DP_VERBOSE(p_hwfn, QED_MSG_SP,
  67                    "port_addr = 0x%x, port_id 0x%02x\n",
  68                    p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
  69 }
  70
  71 void qed_mcp_read_mb(struct qed_hwfn *p_hwfn,
  72                      struct qed_ptt *p_ptt)
  73 {
  74         u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
  75         u32 tmp, i;
  76
  77         if (!p_hwfn->mcp_info->public_base)
  78                 return;
  79
  80         for (i = 0; i < length; i++) {
  81                 tmp = qed_rd(p_hwfn, p_ptt,
  82                              p_hwfn->mcp_info->mfw_mb_addr +
  83                              (i << 2) + sizeof(u32));
  84
  85                 /* The MB data is actually BE; Need to force it to cpu */
  86                 ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
  87                         be32_to_cpu((__force __be32)tmp);
  88         }
  89 }
  90
  91 int qed_mcp_free(struct qed_hwfn *p_hwfn)
  92 {
  93         if (p_hwfn->mcp_info) {
  94                 kfree(p_hwfn->mcp_info->mfw_mb_cur);
  95                 kfree(p_hwfn->mcp_info->mfw_mb_shadow);
  96         }
  97         kfree(p_hwfn->mcp_info);
  98
  99         return 0;
 100 }
 101
 102 static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn,
 103                                 struct qed_ptt *p_ptt)
 104 {
 105         struct qed_mcp_info *p_info = p_hwfn->mcp_info;
 106         u32 drv_mb_offsize, mfw_mb_offsize;
 107         u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
 108
 109         p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
 110         if (!p_info->public_base)
 111                 return 0;
 112
 113         p_info->public_base |= GRCBASE_MCP;
 114
 115         /* Calculate the driver and MFW mailbox address */
 116         drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
 117                                 SECTION_OFFSIZE_ADDR(p_info->public_base,
 118                                                      PUBLIC_DRV_MB));
 119         p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
 120         DP_VERBOSE(p_hwfn, QED_MSG_SP,
 121                    "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
 122                    drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
 123
 124         /* Set the MFW MB address */
 125         mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
 126                                 SECTION_OFFSIZE_ADDR(p_info->public_base,
 127                                                      PUBLIC_MFW_MB));
 128         p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
 129         p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr);
 130
 131         /* Get the current driver mailbox sequence before sending
 132          * the first command
 133          */
 134         p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
 135                              DRV_MSG_SEQ_NUMBER_MASK;
 136
 137         /* Get current FW pulse sequence */
 138         p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
 139                                 DRV_PULSE_SEQ_MASK;
 140
 141         p_info->mcp_hist = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
 142
 143         return 0;
 144 }
 145
 146 int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn,
 147                      struct qed_ptt *p_ptt)
 148 {
 149         struct qed_mcp_info *p_info;
 150         u32 size;
 151
 152         /* Allocate mcp_info structure */
 153         p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
 154         if (!p_hwfn->mcp_info)
 155                 goto err;
 156         p_info = p_hwfn->mcp_info;
 157
 158         if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
 159                 DP_NOTICE(p_hwfn, "MCP is not initialized\n");
 160                 /* Do not free mcp_info here, since public_base indicate that
 161                  * the MCP is not initialized
 162                  */
 163                 return 0;
 164         }
 165
 166         size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
 167         p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
 168         p_info->mfw_mb_shadow =
 169                 kzalloc(sizeof(u32) * MFW_DRV_MSG_MAX_DWORDS(
 170                                 p_info->mfw_mb_length), GFP_KERNEL);
 171         if (!p_info->mfw_mb_shadow || !p_info->mfw_mb_addr)
 172                 goto err;
 173
 174         /* Initialize the MFW spinlock */
 175         spin_lock_init(&p_info->lock);
 176
 177         return 0;
 178
 179 err:
 180         DP_NOTICE(p_hwfn, "Failed to allocate mcp memory\n");
 181         qed_mcp_free(p_hwfn);
 182         return -ENOMEM;
 183 }
 184
 185 /* Locks the MFW mailbox of a PF to ensure a single access.
 186  * The lock is achieved in most cases by holding a spinlock, causing other
 187  * threads to wait till a previous access is done.
 188  * In some cases (currently when a [UN]LOAD_REQ commands are sent), the single
 189  * access is achieved by setting a blocking flag, which will fail other
 190  * competing contexts to send their mailboxes.
 191  */
 192 static int qed_mcp_mb_lock(struct qed_hwfn *p_hwfn,
 193                            u32 cmd)
 194 {
 195         spin_lock_bh(&p_hwfn->mcp_info->lock);
 196
 197         /* The spinlock shouldn't be acquired when the mailbox command is
 198          * [UN]LOAD_REQ, since the engine is locked by the MFW, and a parallel
 199          * pending [UN]LOAD_REQ command of another PF together with a spinlock
 200          * (i.e. interrupts are disabled) - can lead to a deadlock.
 201          * It is assumed that for a single PF, no other mailbox commands can be
 202          * sent from another context while sending LOAD_REQ, and that any
 203          * parallel commands to UNLOAD_REQ can be cancelled.
 204          */
 205         if (cmd == DRV_MSG_CODE_LOAD_DONE || cmd == DRV_MSG_CODE_UNLOAD_DONE)
 206                 p_hwfn->mcp_info->block_mb_sending = false;
 207
 208         if (p_hwfn->mcp_info->block_mb_sending) {
 209                 DP_NOTICE(p_hwfn,
 210                           "Trying to send a MFW mailbox command [0x%x] in parallel to [UN]LOAD_REQ. Aborting.\n",
 211                           cmd);
 212                 spin_unlock_bh(&p_hwfn->mcp_info->lock);
 213                 return -EBUSY;
 214         }
 215
 216         if (cmd == DRV_MSG_CODE_LOAD_REQ || cmd == DRV_MSG_CODE_UNLOAD_REQ) {
 217                 p_hwfn->mcp_info->block_mb_sending = true;
 218                 spin_unlock_bh(&p_hwfn->mcp_info->lock);
 219         }
 220
 221         return 0;
 222 }
 223
 224 static void qed_mcp_mb_unlock(struct qed_hwfn   *p_hwfn,
 225                               u32               cmd)
 226 {
 227         if (cmd != DRV_MSG_CODE_LOAD_REQ && cmd != DRV_MSG_CODE_UNLOAD_REQ)
 228                 spin_unlock_bh(&p_hwfn->mcp_info->lock);
 229 }
 230
 231 int qed_mcp_reset(struct qed_hwfn *p_hwfn,
 232                   struct qed_ptt *p_ptt)
 233 {
 234         u32 seq = ++p_hwfn->mcp_info->drv_mb_seq;
 235         u8 delay = CHIP_MCP_RESP_ITER_US;
 236         u32 org_mcp_reset_seq, cnt = 0;
 237         int rc = 0;
 238
 239         /* Ensure that only a single thread is accessing the mailbox at a
 240          * certain time.
 241          */
 242         rc = qed_mcp_mb_lock(p_hwfn, DRV_MSG_CODE_MCP_RESET);
 243         if (rc != 0)
 244                 return rc;
 245
 246         /* Set drv command along with the updated sequence */
 247         org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
 248         DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header,
 249                   (DRV_MSG_CODE_MCP_RESET | seq));
 250
 251         do {
 252                 /* Wait for MFW response */
 253                 udelay(delay);
 254                 /* Give the FW up to 500 second (50*1000*10usec) */
 255         } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
 256                                               MISCS_REG_GENERIC_POR_0)) &&
 257                  (cnt++ < QED_MCP_RESET_RETRIES));
 258
 259         if (org_mcp_reset_seq !=
 260             qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
 261                 DP_VERBOSE(p_hwfn, QED_MSG_SP,
 262                            "MCP was reset after %d usec\n", cnt * delay);
 263         } else {
 264                 DP_ERR(p_hwfn, "Failed to reset MCP\n");
 265                 rc = -EAGAIN;
 266         }
 267
 268         qed_mcp_mb_unlock(p_hwfn, DRV_MSG_CODE_MCP_RESET);
 269
 270         return rc;
 271 }
 272
 273 static int qed_do_mcp_cmd(struct qed_hwfn *p_hwfn,
 274                           struct qed_ptt *p_ptt,
 275                           u32 cmd,
 276                           u32 param,
 277                           u32 *o_mcp_resp,
 278                           u32 *o_mcp_param)
 279 {
 280         u8 delay = CHIP_MCP_RESP_ITER_US;
 281         u32 seq, cnt = 1, actual_mb_seq;
 282         int rc = 0;
 283
 284         /* Get actual driver mailbox sequence */
 285         actual_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
 286                         DRV_MSG_SEQ_NUMBER_MASK;
 287
 288         /* Use MCP history register to check if MCP reset occurred between
 289          * init time and now.
 290          */
 291         if (p_hwfn->mcp_info->mcp_hist !=
 292             qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
 293                 DP_VERBOSE(p_hwfn, QED_MSG_SP, "Rereading MCP offsets\n");
 294                 qed_load_mcp_offsets(p_hwfn, p_ptt);
 295                 qed_mcp_cmd_port_init(p_hwfn, p_ptt);
 296         }
 297         seq = ++p_hwfn->mcp_info->drv_mb_seq;
 298
 299         /* Set drv param */
 300         DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, param);
 301
 302         /* Set drv command along with the updated sequence */
 303         DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (cmd | seq));
 304
 305         DP_VERBOSE(p_hwfn, QED_MSG_SP,
 306                    "wrote command (%x) to MFW MB param 0x%08x\n",
 307                    (cmd | seq), param);
 308
 309         do {
 310                 /* Wait for MFW response */
 311                 udelay(delay);
 312                 *o_mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
 313
 314                 /* Give the FW up to 5 second (500*10ms) */
 315         } while ((seq != (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) &&
 316                  (cnt++ < QED_DRV_MB_MAX_RETRIES));
 317
 318         DP_VERBOSE(p_hwfn, QED_MSG_SP,
 319                    "[after %d ms] read (%x) seq is (%x) from FW MB\n",
 320                    cnt * delay, *o_mcp_resp, seq);
 321
 322         /* Is this a reply to our command? */
 323         if (seq == (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) {
 324                 *o_mcp_resp &= FW_MSG_CODE_MASK;
 325                 /* Get the MCP param */
 326                 *o_mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
 327         } else {
 328                 /* FW BUG! */
 329                 DP_ERR(p_hwfn, "MFW failed to respond!\n");
 330                 *o_mcp_resp = 0;
 331                 rc = -EAGAIN;
 332         }
 333         return rc;
 334 }
 335
 336 static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
 337                                  struct qed_ptt *p_ptt,
 338                                  struct qed_mcp_mb_params *p_mb_params)
 339 {
 340         u32 union_data_addr;
 341         int rc;
 342
 343         /* MCP not initialized */
 344         if (!qed_mcp_is_init(p_hwfn)) {
 345                 DP_NOTICE(p_hwfn, "MFW is not initialized !\n");
 346                 return -EBUSY;
 347         }
 348
 349         union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
 350                           offsetof(struct public_drv_mb, union_data);
 351
 352         /* Ensure that only a single thread is accessing the mailbox at a
 353          * certain time.
 354          */
 355         rc = qed_mcp_mb_lock(p_hwfn, p_mb_params->cmd);
 356         if (rc)
 357                 return rc;
 358
 359         if (p_mb_params->p_data_src != NULL)
 360                 qed_memcpy_to(p_hwfn, p_ptt, union_data_addr,
 361                               p_mb_params->p_data_src,
 362                               sizeof(*p_mb_params->p_data_src));
 363
 364         rc = qed_do_mcp_cmd(p_hwfn, p_ptt, p_mb_params->cmd,
 365                             p_mb_params->param, &p_mb_params->mcp_resp,
 366                             &p_mb_params->mcp_param);
 367
 368         if (p_mb_params->p_data_dst != NULL)
 369                 qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
 370                                 union_data_addr,
 371                                 sizeof(*p_mb_params->p_data_dst));
 372
 373         qed_mcp_mb_unlock(p_hwfn, p_mb_params->cmd);
 374
 375         return rc;
 376 }
 377
 378 int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
 379                 struct qed_ptt *p_ptt,
 380                 u32 cmd,
 381                 u32 param,
 382                 u32 *o_mcp_resp,
 383                 u32 *o_mcp_param)
 384 {
 385         struct qed_mcp_mb_params mb_params;
 386         int rc;
 387
 388         memset(&mb_params, 0, sizeof(mb_params));
 389         mb_params.cmd = cmd;
 390         mb_params.param = param;
 391         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 392         if (rc)
 393                 return rc;
 394
 395         *o_mcp_resp = mb_params.mcp_resp;
 396         *o_mcp_param = mb_params.mcp_param;
 397
 398         return 0;
 399 }
 400
 401 int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
 402                      struct qed_ptt *p_ptt,
 403                      u32 *p_load_code)
 404 {
 405         struct qed_dev *cdev = p_hwfn->cdev;
 406         struct qed_mcp_mb_params mb_params;
 407         union drv_union_data union_data;
 408         int rc;
 409
 410         memset(&mb_params, 0, sizeof(mb_params));
 411         /* Load Request */
 412         mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
 413         mb_params.param = PDA_COMP | DRV_ID_MCP_HSI_VER_CURRENT |
 414                           cdev->drv_type;
 415         memcpy(&union_data.ver_str, cdev->ver_str, MCP_DRV_VER_STR_SIZE);
 416         mb_params.p_data_src = &union_data;
 417         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 418
 419         /* if mcp fails to respond we must abort */
 420         if (rc) {
 421                 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
 422                 return rc;
 423         }
 424
 425         *p_load_code = mb_params.mcp_resp;
 426
 427         /* If MFW refused (e.g. other port is in diagnostic mode) we
 428          * must abort. This can happen in the following cases:
 429          * - Other port is in diagnostic mode
 430          * - Previously loaded function on the engine is not compliant with
 431          *   the requester.
 432          * - MFW cannot cope with the requester's DRV_MFW_HSI_VERSION.
 433          *      -
 434          */
 435         if (!(*p_load_code) ||
 436             ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI) ||
 437             ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_PDA) ||
 438             ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_DIAG)) {
 439                 DP_ERR(p_hwfn, "MCP refused load request, aborting\n");
 440                 return -EBUSY;
 441         }
 442
 443         return 0;
 444 }
 445
 446 static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
 447                                   struct qed_ptt *p_ptt)
 448 {
 449         u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
 450                                         PUBLIC_PATH);
 451         u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
 452         u32 path_addr = SECTION_ADDR(mfw_path_offsize,
 453                                      QED_PATH_ID(p_hwfn));
 454         u32 disabled_vfs[VF_MAX_STATIC / 32];
 455         int i;
 456
 457         DP_VERBOSE(p_hwfn,
 458                    QED_MSG_SP,
 459                    "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
 460                    mfw_path_offsize, path_addr);
 461
 462         for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
 463                 disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
 464                                          path_addr +
 465                                          offsetof(struct public_path,
 466                                                   mcp_vf_disabled) +
 467                                          sizeof(u32) * i);
 468                 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
 469                            "FLR-ed VFs [%08x,...,%08x] - %08x\n",
 470                            i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
 471         }
 472
 473         if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
 474                 qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
 475 }
 476
 477 int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
 478                        struct qed_ptt *p_ptt, u32 *vfs_to_ack)
 479 {
 480         u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
 481                                         PUBLIC_FUNC);
 482         u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
 483         u32 func_addr = SECTION_ADDR(mfw_func_offsize,
 484                                      MCP_PF_ID(p_hwfn));
 485         struct qed_mcp_mb_params mb_params;
 486         union drv_union_data union_data;
 487         int rc;
 488         int i;
 489
 490         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
 491                 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
 492                            "Acking VFs [%08x,...,%08x] - %08x\n",
 493                            i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
 494
 495         memset(&mb_params, 0, sizeof(mb_params));
 496         mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
 497         memcpy(&union_data.ack_vf_disabled, vfs_to_ack, VF_MAX_STATIC / 8);
 498         mb_params.p_data_src = &union_data;
 499         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 500         if (rc) {
 501                 DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
 502                 return -EBUSY;
 503         }
 504
 505         /* Clear the ACK bits */
 506         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
 507                 qed_wr(p_hwfn, p_ptt,
 508                        func_addr +
 509                        offsetof(struct public_func, drv_ack_vf_disabled) +
 510                        i * sizeof(u32), 0);
 511
 512         return rc;
 513 }
 514
 515 static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
 516                                               struct qed_ptt *p_ptt)
 517 {
 518         u32 transceiver_state;
 519
 520         transceiver_state = qed_rd(p_hwfn, p_ptt,
 521                                    p_hwfn->mcp_info->port_addr +
 522                                    offsetof(struct public_port,
 523                                             transceiver_data));
 524
 525         DP_VERBOSE(p_hwfn,
 526                    (NETIF_MSG_HW | QED_MSG_SP),
 527                    "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
 528                    transceiver_state,
 529                    (u32)(p_hwfn->mcp_info->port_addr +
 530                          offsetof(struct public_port,
 531                                   transceiver_data)));
 532
 533         transceiver_state = GET_FIELD(transceiver_state,
 534                                       ETH_TRANSCEIVER_STATE);
 535
 536         if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
 537                 DP_NOTICE(p_hwfn, "Transceiver is present.\n");
 538         else
 539                 DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
 540 }
 541
 542 static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
 543                                        struct qed_ptt *p_ptt,
 544                                        bool b_reset)
 545 {
 546         struct qed_mcp_link_state *p_link;
 547         u8 max_bw, min_bw;
 548         u32 status = 0;
 549
 550         p_link = &p_hwfn->mcp_info->link_output;
 551         memset(p_link, 0, sizeof(*p_link));
 552         if (!b_reset) {
 553                 status = qed_rd(p_hwfn, p_ptt,
 554                                 p_hwfn->mcp_info->port_addr +
 555                                 offsetof(struct public_port, link_status));
 556                 DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
 557                            "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
 558                            status,
 559                            (u32)(p_hwfn->mcp_info->port_addr +
 560                                  offsetof(struct public_port,
 561                                           link_status)));
 562         } else {
 563                 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
 564                            "Resetting link indications\n");
 565                 return;
 566         }
 567
 568         if (p_hwfn->b_drv_link_init)
 569                 p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
 570         else
 571                 p_link->link_up = false;
 572
 573         p_link->full_duplex = true;
 574         switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
 575         case LINK_STATUS_SPEED_AND_DUPLEX_100G:
 576                 p_link->speed = 100000;
 577                 break;
 578         case LINK_STATUS_SPEED_AND_DUPLEX_50G:
 579                 p_link->speed = 50000;
 580                 break;
 581         case LINK_STATUS_SPEED_AND_DUPLEX_40G:
 582                 p_link->speed = 40000;
 583                 break;
 584         case LINK_STATUS_SPEED_AND_DUPLEX_25G:
 585                 p_link->speed = 25000;
 586                 break;
 587         case LINK_STATUS_SPEED_AND_DUPLEX_20G:
 588                 p_link->speed = 20000;
 589                 break;
 590         case LINK_STATUS_SPEED_AND_DUPLEX_10G:
 591                 p_link->speed = 10000;
 592                 break;
 593         case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
 594                 p_link->full_duplex = false;
 595         /* Fall-through */
 596         case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
 597                 p_link->speed = 1000;
 598                 break;
 599         default:
 600                 p_link->speed = 0;
 601         }
 602
 603         if (p_link->link_up && p_link->speed)
 604                 p_link->line_speed = p_link->speed;
 605         else
 606                 p_link->line_speed = 0;
 607
 608         max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
 609         min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
 610
 611         /* Max bandwidth configuration */
 612         __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
 613
 614         /* Min bandwidth configuration */
 615         __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
 616         qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_link->min_pf_rate);
 617
 618         p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
 619         p_link->an_complete = !!(status &
 620                                  LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
 621         p_link->parallel_detection = !!(status &
 622                                         LINK_STATUS_PARALLEL_DETECTION_USED);
 623         p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
 624
 625         p_link->partner_adv_speed |=
 626                 (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
 627                 QED_LINK_PARTNER_SPEED_1G_FD : 0;
 628         p_link->partner_adv_speed |=
 629                 (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
 630                 QED_LINK_PARTNER_SPEED_1G_HD : 0;
 631         p_link->partner_adv_speed |=
 632                 (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
 633                 QED_LINK_PARTNER_SPEED_10G : 0;
 634         p_link->partner_adv_speed |=
 635                 (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
 636                 QED_LINK_PARTNER_SPEED_20G : 0;
 637         p_link->partner_adv_speed |=
 638                 (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
 639                 QED_LINK_PARTNER_SPEED_40G : 0;
 640         p_link->partner_adv_speed |=
 641                 (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
 642                 QED_LINK_PARTNER_SPEED_50G : 0;
 643         p_link->partner_adv_speed |=
 644                 (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
 645                 QED_LINK_PARTNER_SPEED_100G : 0;
 646
 647         p_link->partner_tx_flow_ctrl_en =
 648                 !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
 649         p_link->partner_rx_flow_ctrl_en =
 650                 !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
 651
 652         switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
 653         case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
 654                 p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
 655                 break;
 656         case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
 657                 p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
 658                 break;
 659         case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
 660                 p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
 661                 break;
 662         default:
 663                 p_link->partner_adv_pause = 0;
 664         }
 665
 666         p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
 667
 668         qed_link_update(p_hwfn);
 669 }
 670
 671 int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
 672 {
 673         struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
 674         struct qed_mcp_mb_params mb_params;
 675         union drv_union_data union_data;
 676         struct eth_phy_cfg *phy_cfg;
 677         int rc = 0;
 678         u32 cmd;
 679
 680         /* Set the shmem configuration according to params */
 681         phy_cfg = &union_data.drv_phy_cfg;
 682         memset(phy_cfg, 0, sizeof(*phy_cfg));
 683         cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
 684         if (!params->speed.autoneg)
 685                 phy_cfg->speed = params->speed.forced_speed;
 686         phy_cfg->pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
 687         phy_cfg->pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
 688         phy_cfg->pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
 689         phy_cfg->adv_speed = params->speed.advertised_speeds;
 690         phy_cfg->loopback_mode = params->loopback_mode;
 691
 692         p_hwfn->b_drv_link_init = b_up;
 693
 694         if (b_up) {
 695                 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
 696                            "Configuring Link: Speed 0x%08x, Pause 0x%08x, adv_speed 0x%08x, loopback 0x%08x, features 0x%08x\n",
 697                            phy_cfg->speed,
 698                            phy_cfg->pause,
 699                            phy_cfg->adv_speed,
 700                            phy_cfg->loopback_mode,
 701                            phy_cfg->feature_config_flags);
 702         } else {
 703                 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
 704                            "Resetting link\n");
 705         }
 706
 707         memset(&mb_params, 0, sizeof(mb_params));
 708         mb_params.cmd = cmd;
 709         mb_params.p_data_src = &union_data;
 710         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 711
 712         /* if mcp fails to respond we must abort */
 713         if (rc) {
 714                 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
 715                 return rc;
 716         }
 717
 718         /* Reset the link status if needed */
 719         if (!b_up)
 720                 qed_mcp_handle_link_change(p_hwfn, p_ptt, true);
 721
 722         return 0;
 723 }
 724
 725 static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
 726                                   struct public_func *p_shmem_info)
 727 {
 728         struct qed_mcp_function_info *p_info;
 729
 730         p_info = &p_hwfn->mcp_info->func_info;
 731
 732         p_info->bandwidth_min = (p_shmem_info->config &
 733                                  FUNC_MF_CFG_MIN_BW_MASK) >>
 734                                         FUNC_MF_CFG_MIN_BW_SHIFT;
 735         if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
 736                 DP_INFO(p_hwfn,
 737                         "bandwidth minimum out of bounds [%02x]. Set to 1\n",
 738                         p_info->bandwidth_min);
 739                 p_info->bandwidth_min = 1;
 740         }
 741
 742         p_info->bandwidth_max = (p_shmem_info->config &
 743                                  FUNC_MF_CFG_MAX_BW_MASK) >>
 744                                         FUNC_MF_CFG_MAX_BW_SHIFT;
 745         if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
 746                 DP_INFO(p_hwfn,
 747                         "bandwidth maximum out of bounds [%02x]. Set to 100\n",
 748                         p_info->bandwidth_max);
 749                 p_info->bandwidth_max = 100;
 750         }
 751 }
 752
 753 static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
 754                                   struct qed_ptt *p_ptt,
 755                                   struct public_func *p_data,
 756                                   int pfid)
 757 {
 758         u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
 759                                         PUBLIC_FUNC);
 760         u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
 761         u32 func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
 762         u32 i, size;
 763
 764         memset(p_data, 0, sizeof(*p_data));
 765
 766         size = min_t(u32, sizeof(*p_data),
 767                      QED_SECTION_SIZE(mfw_path_offsize));
 768         for (i = 0; i < size / sizeof(u32); i++)
 769                 ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
 770                                             func_addr + (i << 2));
 771         return size;
 772 }
 773
 774 int qed_hw_init_first_eth(struct qed_hwfn *p_hwfn,
 775                           struct qed_ptt *p_ptt, u8 *p_pf)
 776 {
 777         struct public_func shmem_info;
 778         int i;
 779
 780         /* Find first Ethernet interface in port */
 781         for (i = 0; i < NUM_OF_ENG_PFS(p_hwfn->cdev);
 782              i += p_hwfn->cdev->num_ports_in_engines) {
 783                 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
 784                                        MCP_PF_ID_BY_REL(p_hwfn, i));
 785
 786                 if (shmem_info.config & FUNC_MF_CFG_FUNC_HIDE)
 787                         continue;
 788
 789                 if ((shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK) ==
 790                     FUNC_MF_CFG_PROTOCOL_ETHERNET) {
 791                         *p_pf = (u8)i;
 792                         return 0;
 793                 }
 794         }
 795
 796         DP_NOTICE(p_hwfn,
 797                   "Failed to find on port an ethernet interface in MF_SI mode\n");
 798
 799         return -EINVAL;
 800 }
 801
 802 static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn,
 803                               struct qed_ptt *p_ptt)
 804 {
 805         struct qed_mcp_function_info *p_info;
 806         struct public_func shmem_info;
 807         u32 resp = 0, param = 0;
 808
 809         qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
 810                                MCP_PF_ID(p_hwfn));
 811
 812         qed_read_pf_bandwidth(p_hwfn, &shmem_info);
 813
 814         p_info = &p_hwfn->mcp_info->func_info;
 815
 816         qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
 817         qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
 818
 819         /* Acknowledge the MFW */
 820         qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
 821                     &param);
 822 }
 823
 824 int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
 825                           struct qed_ptt *p_ptt)
 826 {
 827         struct qed_mcp_info *info = p_hwfn->mcp_info;
 828         int rc = 0;
 829         bool found = false;
 830         u16 i;
 831
 832         DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
 833
 834         /* Read Messages from MFW */
 835         qed_mcp_read_mb(p_hwfn, p_ptt);
 836
 837         /* Compare current messages to old ones */
 838         for (i = 0; i < info->mfw_mb_length; i++) {
 839                 if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
 840                         continue;
 841
 842                 found = true;
 843
 844                 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
 845                            "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
 846                            i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
 847
 848                 switch (i) {
 849                 case MFW_DRV_MSG_LINK_CHANGE:
 850                         qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
 851                         break;
 852                 case MFW_DRV_MSG_VF_DISABLED:
 853                         qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
 854                         break;
 855                 case MFW_DRV_MSG_LLDP_DATA_UPDATED:
 856                         qed_dcbx_mib_update_event(p_hwfn, p_ptt,
 857                                                   QED_DCBX_REMOTE_LLDP_MIB);
 858                         break;
 859                 case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
 860                         qed_dcbx_mib_update_event(p_hwfn, p_ptt,
 861                                                   QED_DCBX_REMOTE_MIB);
 862                         break;
 863                 case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
 864                         qed_dcbx_mib_update_event(p_hwfn, p_ptt,
 865                                                   QED_DCBX_OPERATIONAL_MIB);
 866                         break;
 867                 case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
 868                         qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
 869                         break;
 870                 case MFW_DRV_MSG_BW_UPDATE:
 871                         qed_mcp_update_bw(p_hwfn, p_ptt);
 872                         break;
 873                 default:
 874                         DP_NOTICE(p_hwfn, "Unimplemented MFW message %d\n", i);
 875                         rc = -EINVAL;
 876                 }
 877         }
 878
 879         /* ACK everything */
 880         for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
 881                 __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
 882
 883                 /* MFW expect answer in BE, so we force write in that format */
 884                 qed_wr(p_hwfn, p_ptt,
 885                        info->mfw_mb_addr + sizeof(u32) +
 886                        MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
 887                        sizeof(u32) + i * sizeof(u32),
 888                        (__force u32)val);
 889         }
 890
 891         if (!found) {
 892                 DP_NOTICE(p_hwfn,
 893                           "Received an MFW message indication but no new message!\n");
 894                 rc = -EINVAL;
 895         }
 896
 897         /* Copy the new mfw messages into the shadow */
 898         memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
 899
 900         return rc;
 901 }
 902
 903 int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
 904                         struct qed_ptt *p_ptt,
 905                         u32 *p_mfw_ver, u32 *p_running_bundle_id)
 906 {
 907         u32 global_offsize;
 908
 909         if (IS_VF(p_hwfn->cdev)) {
 910                 if (p_hwfn->vf_iov_info) {
 911                         struct pfvf_acquire_resp_tlv *p_resp;
 912
 913                         p_resp = &p_hwfn->vf_iov_info->acquire_resp;
 914                         *p_mfw_ver = p_resp->pfdev_info.mfw_ver;
 915                         return 0;
 916                 } else {
 917                         DP_VERBOSE(p_hwfn,
 918                                    QED_MSG_IOV,
 919                                    "VF requested MFW version prior to ACQUIRE\n");
 920                         return -EINVAL;
 921                 }
 922         }
 923
 924         global_offsize = qed_rd(p_hwfn, p_ptt,
 925                                 SECTION_OFFSIZE_ADDR(p_hwfn->
 926                                                      mcp_info->public_base,
 927                                                      PUBLIC_GLOBAL));
 928         *p_mfw_ver =
 929             qed_rd(p_hwfn, p_ptt,
 930                    SECTION_ADDR(global_offsize,
 931                                 0) + offsetof(struct public_global, mfw_ver));
 932
 933         if (p_running_bundle_id != NULL) {
 934                 *p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
 935                                               SECTION_ADDR(global_offsize, 0) +
 936                                               offsetof(struct public_global,
 937                                                        running_bundle_id));
 938         }
 939
 940         return 0;
 941 }
 942
 943 int qed_mcp_get_media_type(struct qed_dev *cdev,
 944                            u32 *p_media_type)
 945 {
 946         struct qed_hwfn *p_hwfn = &cdev->hwfns[0];
 947         struct qed_ptt  *p_ptt;
 948
 949         if (IS_VF(cdev))
 950                 return -EINVAL;
 951
 952         if (!qed_mcp_is_init(p_hwfn)) {
 953                 DP_NOTICE(p_hwfn, "MFW is not initialized !\n");
 954                 return -EBUSY;
 955         }
 956
 957         *p_media_type = MEDIA_UNSPECIFIED;
 958
 959         p_ptt = qed_ptt_acquire(p_hwfn);
 960         if (!p_ptt)
 961                 return -EBUSY;
 962
 963         *p_media_type = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
 964                                offsetof(struct public_port, media_type));
 965
 966         qed_ptt_release(p_hwfn, p_ptt);
 967
 968         return 0;
 969 }
 970
 971 static int
 972 qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
 973                         struct public_func *p_info,
 974                         enum qed_pci_personality *p_proto)
 975 {
 976         int rc = 0;
 977
 978         switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
 979         case FUNC_MF_CFG_PROTOCOL_ETHERNET:
 980                 if (test_bit(QED_DEV_CAP_ROCE,
 981                              &p_hwfn->hw_info.device_capabilities))
 982                         *p_proto = QED_PCI_ETH_ROCE;
 983                 else
 984                         *p_proto = QED_PCI_ETH;
 985                 break;
 986         case FUNC_MF_CFG_PROTOCOL_ISCSI:
 987                 *p_proto = QED_PCI_ISCSI;
 988                 break;
 989         case FUNC_MF_CFG_PROTOCOL_ROCE:
 990                 DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
 991                 rc = -EINVAL;
 992                 break;
 993         default:
 994                 rc = -EINVAL;
 995         }
 996
 997         return rc;
 998 }
 999
1000 int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
1001                                  struct qed_ptt *p_ptt)
1002 {
1003         struct qed_mcp_function_info *info;
1004         struct public_func shmem_info;
1005
1006         qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
1007                                MCP_PF_ID(p_hwfn));
1008         info = &p_hwfn->mcp_info->func_info;
1009
1010         info->pause_on_host = (shmem_info.config &
1011                                FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
1012
1013         if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info,
1014                                     &info->protocol)) {
1015                 DP_ERR(p_hwfn, "Unknown personality %08x\n",
1016                        (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
1017                 return -EINVAL;
1018         }
1019
1020         qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1021
1022         if (shmem_info.mac_upper || shmem_info.mac_lower) {
1023                 info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
1024                 info->mac[1] = (u8)(shmem_info.mac_upper);
1025                 info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
1026                 info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
1027                 info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
1028                 info->mac[5] = (u8)(shmem_info.mac_lower);
1029         } else {
1030                 DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
1031         }
1032
1033         info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_upper |
1034                          (((u64)shmem_info.fcoe_wwn_port_name_lower) << 32);
1035         info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_upper |
1036                          (((u64)shmem_info.fcoe_wwn_node_name_lower) << 32);
1037
1038         info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
1039
1040         DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
1041                    "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %02x:%02x:%02x:%02x:%02x:%02x wwn port %llx node %llx ovlan %04x\n",
1042                 info->pause_on_host, info->protocol,
1043                 info->bandwidth_min, info->bandwidth_max,
1044                 info->mac[0], info->mac[1], info->mac[2],
1045                 info->mac[3], info->mac[4], info->mac[5],
1046                 info->wwn_port, info->wwn_node, info->ovlan);
1047
1048         return 0;
1049 }
1050
1051 struct qed_mcp_link_params
1052 *qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
1053 {
1054         if (!p_hwfn || !p_hwfn->mcp_info)
1055                 return NULL;
1056         return &p_hwfn->mcp_info->link_input;
1057 }
1058
1059 struct qed_mcp_link_state
1060 *qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
1061 {
1062         if (!p_hwfn || !p_hwfn->mcp_info)
1063                 return NULL;
1064         return &p_hwfn->mcp_info->link_output;
1065 }
1066
1067 struct qed_mcp_link_capabilities
1068 *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
1069 {
1070         if (!p_hwfn || !p_hwfn->mcp_info)
1071                 return NULL;
1072         return &p_hwfn->mcp_info->link_capabilities;
1073 }
1074
1075 int qed_mcp_drain(struct qed_hwfn *p_hwfn,
1076                   struct qed_ptt *p_ptt)
1077 {
1078         u32 resp = 0, param = 0;
1079         int rc;
1080
1081         rc = qed_mcp_cmd(p_hwfn, p_ptt,
1082                          DRV_MSG_CODE_NIG_DRAIN, 1000,
1083                          &resp, &param);
1084
1085         /* Wait for the drain to complete before returning */
1086         msleep(1020);
1087
1088         return rc;
1089 }
1090
1091 int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
1092                            struct qed_ptt *p_ptt,
1093                            u32 *p_flash_size)
1094 {
1095         u32 flash_size;
1096
1097         if (IS_VF(p_hwfn->cdev))
1098                 return -EINVAL;
1099
1100         flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
1101         flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
1102                       MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
1103         flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
1104
1105         *p_flash_size = flash_size;
1106
1107         return 0;
1108 }
1109
1110 int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
1111                            struct qed_ptt *p_ptt, u8 vf_id, u8 num)
1112 {
1113         u32 resp = 0, param = 0, rc_param = 0;
1114         int rc;
1115
1116         /* Only Leader can configure MSIX, and need to take CMT into account */
1117         if (!IS_LEAD_HWFN(p_hwfn))
1118                 return 0;
1119         num *= p_hwfn->cdev->num_hwfns;
1120
1121         param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
1122                  DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
1123         param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
1124                  DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
1125
1126         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
1127                          &resp, &rc_param);
1128
1129         if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
1130                 DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
1131                 rc = -EINVAL;
1132         } else {
1133                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1134                            "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
1135                            num, vf_id);
1136         }
1137
1138         return rc;
1139 }
1140
1141 int
1142 qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
1143                          struct qed_ptt *p_ptt,
1144                          struct qed_mcp_drv_version *p_ver)
1145 {
1146         struct drv_version_stc *p_drv_version;
1147         struct qed_mcp_mb_params mb_params;
1148         union drv_union_data union_data;
1149         __be32 val;
1150         u32 i;
1151         int rc;
1152
1153         p_drv_version = &union_data.drv_version;
1154         p_drv_version->version = p_ver->version;
1155
1156         for (i = 0; i < MCP_DRV_VER_STR_SIZE - 1; i += 4) {
1157                 val = cpu_to_be32(p_ver->name[i]);
1158                 *(__be32 *)&p_drv_version->name[i * sizeof(u32)] = val;
1159         }
1160
1161         memset(&mb_params, 0, sizeof(mb_params));
1162         mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
1163         mb_params.p_data_src = &union_data;
1164         rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1165         if (rc)
1166                 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1167
1168         return rc;
1169 }
1170
1171 int qed_mcp_set_led(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
1172                     enum qed_led_mode mode)
1173 {
1174         u32 resp = 0, param = 0, drv_mb_param;
1175         int rc;
1176
1177         switch (mode) {
1178         case QED_LED_MODE_ON:
1179                 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
1180                 break;
1181         case QED_LED_MODE_OFF:
1182                 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
1183                 break;
1184         case QED_LED_MODE_RESTORE:
1185                 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
1186                 break;
1187         default:
1188                 DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
1189                 return -EINVAL;
1190         }
1191
1192         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
1193                          drv_mb_param, &resp, &param);
1194
1195         return rc;
1196 }
1197
1198 int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1199 {
1200         u32 drv_mb_param = 0, rsp, param;
1201         int rc = 0;
1202
1203         drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
1204                         DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
1205
1206         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
1207                          drv_mb_param, &rsp, &param);
1208
1209         if (rc)
1210                 return rc;
1211
1212         if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
1213             (param != DRV_MB_PARAM_BIST_RC_PASSED))
1214                 rc = -EAGAIN;
1215
1216         return rc;
1217 }
1218
1219 int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1220 {
1221         u32 drv_mb_param, rsp, param;
1222         int rc = 0;
1223
1224         drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
1225                         DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
1226
1227         rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
1228                          drv_mb_param, &rsp, &param);
1229
1230         if (rc)
1231                 return rc;
1232
1233         if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
1234             (param != DRV_MB_PARAM_BIST_RC_PASSED))
1235                 rc = -EAGAIN;
1236
1237         return rc;
1238 }