sys/dev/ocs_fc/ocs_ioctl.c

   1 /*-
   2  * Copyright (c) 2017 Broadcom. All rights reserved.
   3  * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright notice,
   9  *    this list of conditions and the following disclaimer.
  10  *
  11  * 2. Redistributions in binary form must reproduce the above copyright notice,
  12  *    this list of conditions and the following disclaimer in the documentation
  13  *    and/or other materials provided with the distribution.
  14  *
  15  * 3. Neither the name of the copyright holder nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  *
  31  * $FreeBSD$
  32  */
  33
  34 #include "ocs.h"
  35 #include "ocs_utils.h"
  36
  37 #include <sys/conf.h>
  38 #include <sys/sysctl.h>
  39 #include <sys/ioccom.h>
  40 #include <sys/param.h>
  41 #include <sys/systm.h>
  42 #include <sys/linker.h>
  43 #include <sys/firmware.h>
  44
  45 static d_open_t         ocs_open;
  46 static d_close_t        ocs_close;
  47 static d_ioctl_t        ocs_ioctl;
  48
  49 static struct cdevsw ocs_cdevsw = {
  50         .d_version =    D_VERSION,
  51         .d_open =       ocs_open,
  52         .d_close =      ocs_close,
  53         .d_ioctl =      ocs_ioctl,
  54         .d_name =       "ocs_fc"
  55 };
  56
  57 int
  58 ocs_firmware_write(ocs_t *ocs, const uint8_t *buf, size_t buf_len, uint8_t *change_status);
  59
  60 static int
  61 ocs_open(struct cdev *cdev, int flags, int fmt, struct thread *td)
  62 {
  63 #if 0
  64         struct ocs_softc *ocs = cdev->si_drv1;
  65
  66         device_printf(ocs->dev, "%s\n", __func__);
  67 #endif
  68         return 0;
  69 }
  70
  71 static int
  72 ocs_close(struct cdev *cdev, int flag, int fmt, struct thread *td)
  73 {
  74 #if 0
  75         struct ocs_softc *ocs = cdev->si_drv1;
  76
  77         device_printf(ocs->dev, "%s\n", __func__);
  78 #endif
  79         return 0;
  80 }
  81
  82 static int32_t
  83 __ocs_ioctl_mbox_cb(ocs_hw_t *hw, int32_t status, uint8_t *mqe, void *arg)
  84 {
  85         struct ocs_softc *ocs = arg;
  86
  87         /* wait for the ioctl to sleep before calling wakeup */
  88         mtx_lock(&ocs->dbg_lock);
  89
  90         mtx_unlock(&ocs->dbg_lock);
  91
  92         wakeup(arg);
  93
  94         return 0;
  95 }
  96
  97 static int
  98 ocs_process_sli_config (ocs_t *ocs, ocs_ioctl_elxu_mbox_t *mcmd, ocs_dma_t *dma){
  99         sli4_cmd_sli_config_t *sli_config = (sli4_cmd_sli_config_t *)mcmd->payload;
 100
 101         if (sli_config->emb) {
 102                 sli4_req_hdr_t  *req = (sli4_req_hdr_t *)sli_config->payload.embed;
 103
 104                 switch (req->opcode) {
 105                 case SLI4_OPC_COMMON_READ_OBJECT:
 106                         if (mcmd->out_bytes) {
 107                                 sli4_req_common_read_object_t *rdobj =
 108                                         (sli4_req_common_read_object_t *)sli_config->payload.embed;
 109
 110                                 if (ocs_dma_alloc(ocs, dma, mcmd->out_bytes, 4096)) {
 111                                         device_printf(ocs->dev, "%s: COMMON_READ_OBJECT - %lld allocation failed\n",
 112                                                         __func__, (unsigned long long)mcmd->out_bytes);
 113                                         return ENXIO;
 114                                 }
 115
 116                                 memset(dma->virt, 0, mcmd->out_bytes);
 117
 118                                 rdobj->host_buffer_descriptor[0].bde_type = SLI4_BDE_TYPE_BDE_64;
 119                                 rdobj->host_buffer_descriptor[0].buffer_length = mcmd->out_bytes;
 120                                 rdobj->host_buffer_descriptor[0].u.data.buffer_address_low = ocs_addr32_lo(dma->phys);
 121                                 rdobj->host_buffer_descriptor[0].u.data.buffer_address_high = ocs_addr32_hi(dma->phys);
 122                         }
 123                         break;
 124                 case SLI4_OPC_COMMON_WRITE_OBJECT:
 125                 {
 126                         sli4_req_common_write_object_t *wrobj =
 127                                 (sli4_req_common_write_object_t *)sli_config->payload.embed;
 128
 129                         if (ocs_dma_alloc(ocs, dma, wrobj->desired_write_length, 4096)) {
 130                                 device_printf(ocs->dev, "%s: COMMON_WRITE_OBJECT - %d allocation failed\n",
 131                                                 __func__, wrobj->desired_write_length);
 132                                 return ENXIO;
 133                         }
 134                         /* setup the descriptor */
 135                         wrobj->host_buffer_descriptor[0].bde_type = SLI4_BDE_TYPE_BDE_64;
 136                         wrobj->host_buffer_descriptor[0].buffer_length = wrobj->desired_write_length;
 137                         wrobj->host_buffer_descriptor[0].u.data.buffer_address_low = ocs_addr32_lo(dma->phys);
 138                         wrobj->host_buffer_descriptor[0].u.data.buffer_address_high = ocs_addr32_hi(dma->phys);
 139
 140                         /* copy the data into the DMA buffer */
 141                         copyin((void *)(uintptr_t)mcmd->in_addr, dma->virt, mcmd->in_bytes);
 142                 }
 143                         break;
 144                 case SLI4_OPC_COMMON_DELETE_OBJECT:
 145                         break;
 146                 case SLI4_OPC_COMMON_READ_OBJECT_LIST:
 147                         if (mcmd->out_bytes) {
 148                                 sli4_req_common_read_object_list_t *rdobj =
 149                                         (sli4_req_common_read_object_list_t *)sli_config->payload.embed;
 150
 151                                 if (ocs_dma_alloc(ocs, dma, mcmd->out_bytes, 4096)) {
 152                                         device_printf(ocs->dev, "%s: COMMON_READ_OBJECT_LIST - %lld allocation failed\n",
 153                                                         __func__,(unsigned long long) mcmd->out_bytes);
 154                                         return ENXIO;
 155                                 }
 156
 157                                 memset(dma->virt, 0, mcmd->out_bytes);
 158
 159                                 rdobj->host_buffer_descriptor[0].bde_type = SLI4_BDE_TYPE_BDE_64;
 160                                 rdobj->host_buffer_descriptor[0].buffer_length = mcmd->out_bytes;
 161                                 rdobj->host_buffer_descriptor[0].u.data.buffer_address_low = ocs_addr32_lo(dma->phys);
 162                                 rdobj->host_buffer_descriptor[0].u.data.buffer_address_high = ocs_addr32_hi(dma->phys);
 163                         }
 164                         break;
 165                 case SLI4_OPC_COMMON_READ_TRANSCEIVER_DATA:
 166                         break;
 167                 default:
 168                         device_printf(ocs->dev, "%s: in=%p (%lld) out=%p (%lld)\n", __func__,
 169                                         (void *)(uintptr_t)mcmd->in_addr, (unsigned long long)mcmd->in_bytes,
 170                                         (void *)(uintptr_t)mcmd->out_addr, (unsigned long long)mcmd->out_bytes);
 171                         device_printf(ocs->dev, "%s: unknown (opc=%#x)\n", __func__,
 172                                         req->opcode);
 173                         hexdump(mcmd, mcmd->size, NULL, 0);
 174                         break;
 175                 }
 176         } else {
 177                 uint32_t max_bytes = max(mcmd->in_bytes, mcmd->out_bytes);
 178                 if (ocs_dma_alloc(ocs, dma, max_bytes, 4096)) {
 179                         device_printf(ocs->dev, "%s: non-embedded - %u allocation failed\n",
 180                                         __func__, max_bytes);
 181                         return ENXIO;
 182                 }
 183
 184                 copyin((void *)(uintptr_t)mcmd->in_addr, dma->virt, mcmd->in_bytes);
 185
 186                 sli_config->payload.mem.address_low  = ocs_addr32_lo(dma->phys);
 187                 sli_config->payload.mem.address_high = ocs_addr32_hi(dma->phys);
 188                 sli_config->payload.mem.length       = max_bytes;
 189         }
 190
 191         return 0;
 192 }
 193
 194 static int
 195 ocs_process_mbx_ioctl(ocs_t *ocs, ocs_ioctl_elxu_mbox_t *mcmd)
 196 {
 197         ocs_dma_t       dma = { 0 };
 198
 199         if ((ELXU_BSD_MAGIC != mcmd->magic) ||
 200                         (sizeof(ocs_ioctl_elxu_mbox_t) != mcmd->size)) {
 201                 device_printf(ocs->dev, "%s: malformed command m=%08x s=%08x\n",
 202                                 __func__, mcmd->magic, mcmd->size);
 203                 return EINVAL;
 204         }
 205
 206         switch(((sli4_mbox_command_header_t *)mcmd->payload)->command) {
 207         case SLI4_MBOX_COMMAND_SLI_CONFIG:
 208                 if (ENXIO == ocs_process_sli_config(ocs, mcmd, &dma))
 209                         return ENXIO;
 210                 break;
 211
 212         case SLI4_MBOX_COMMAND_READ_REV:
 213         case SLI4_MBOX_COMMAND_READ_STATUS:
 214         case SLI4_MBOX_COMMAND_READ_LNK_STAT:
 215                 break;
 216
 217         default:
 218                 device_printf(ocs->dev, "command %d\n",((sli4_mbox_command_header_t *)mcmd->payload)->command);
 219                 device_printf(ocs->dev, "%s, command not support\n", __func__);
 220                 goto no_support;
 221                 break;
 222         }
 223
 224         /*
 225          * The dbg_lock usage here insures the command completion code
 226          * (__ocs_ioctl_mbox_cb), which calls wakeup(), does not run until
 227          * after first calling msleep()
 228          *
 229          *  1. ioctl grabs dbg_lock
 230          *  2. ioctl issues command
 231          *       if the command completes before msleep(), the
 232          *       command completion code (__ocs_ioctl_mbox_cb) will spin
 233          *       on dbg_lock before calling wakeup()
 234          *  3. ioctl calls msleep which releases dbg_lock before sleeping
 235          *     and reacquires it before waking
 236          *  4. command completion handler acquires the dbg_lock, immediately
 237          *     releases it, and calls wakeup
 238          *  5. msleep returns, re-acquiring the lock
 239          *  6. ioctl code releases the lock
 240          */
 241         mtx_lock(&ocs->dbg_lock);
 242         if (ocs_hw_command(&ocs->hw, mcmd->payload, OCS_CMD_NOWAIT,
 243                         __ocs_ioctl_mbox_cb, ocs)) {
 244                 device_printf(ocs->dev, "%s: command- %x failed\n", __func__,
 245                         ((sli4_mbox_command_header_t *)mcmd->payload)->command);
 246         }
 247         msleep(ocs, &ocs->dbg_lock, 0, "ocsmbx", 0);
 248         mtx_unlock(&ocs->dbg_lock);
 249
 250         if( SLI4_MBOX_COMMAND_SLI_CONFIG == ((sli4_mbox_command_header_t *)mcmd->payload)->command
 251                         && mcmd->out_bytes && dma.virt) {
 252                 copyout(dma.virt, (void *)(uintptr_t)mcmd->out_addr, mcmd->out_bytes);
 253         }
 254
 255 no_support:
 256         ocs_dma_free(ocs, &dma);
 257
 258         return 0;
 259 }
 260
 261 /**
 262  * @brief perform requested Elx CoreDump helper function
 263  *
 264  * The Elx CoreDump facility used for BE3 diagnostics uses the OCS_IOCTL_CMD_ECD_HELPER
 265  * ioctl function to execute requested "help" functions
 266  *
 267  * @param ocs pointer to ocs structure
 268  * @param req pointer to helper function request
 269  *
 270  * @return returns 0 for success, a negative error code value for failure.
 271  */
 272
 273 static int
 274 ocs_process_ecd_helper (ocs_t *ocs, ocs_ioctl_ecd_helper_t *req)
 275 {
 276         int32_t rc = 0;
 277         uint8_t v8;
 278         uint16_t v16;
 279         uint32_t v32;
 280
 281         /* Check the BAR read/write commands for valid bar */
 282         switch(req->cmd) {
 283         case OCS_ECD_HELPER_BAR_READ8:
 284         case OCS_ECD_HELPER_BAR_READ16:
 285         case OCS_ECD_HELPER_BAR_READ32:
 286         case OCS_ECD_HELPER_BAR_WRITE8:
 287         case OCS_ECD_HELPER_BAR_WRITE16:
 288         case OCS_ECD_HELPER_BAR_WRITE32:
 289                 if (req->bar >= PCI_MAX_BAR) {
 290                         device_printf(ocs->dev, "Error: bar %d out of range\n", req->bar);
 291                         return -EFAULT;
 292                 }
 293                 if (ocs->reg[req->bar].res == NULL) {
 294                         device_printf(ocs->dev, "Error: bar %d not defined\n", req->bar);
 295                         return -EFAULT;
 296                 }
 297                 break;
 298         default:
 299                 break;
 300         }
 301
 302         switch(req->cmd) {
 303         case OCS_ECD_HELPER_CFG_READ8:
 304                 v8 = ocs_config_read8(ocs, req->offset);
 305                 req->data = v8;
 306                 break;
 307         case OCS_ECD_HELPER_CFG_READ16:
 308                 v16 = ocs_config_read16(ocs, req->offset);
 309                 req->data = v16;
 310                 break;
 311         case OCS_ECD_HELPER_CFG_READ32:
 312                 v32 = ocs_config_read32(ocs, req->offset);
 313                 req->data = v32;
 314                 break;
 315         case OCS_ECD_HELPER_CFG_WRITE8:
 316                 ocs_config_write8(ocs, req->offset, req->data);
 317                 break;
 318         case OCS_ECD_HELPER_CFG_WRITE16:
 319                 ocs_config_write16(ocs, req->offset, req->data);
 320                 break;
 321         case OCS_ECD_HELPER_CFG_WRITE32:
 322                 ocs_config_write32(ocs, req->offset, req->data);
 323                 break;
 324         case OCS_ECD_HELPER_BAR_READ8:
 325                 req->data = ocs_reg_read8(ocs, req->bar, req->offset);
 326                 break;
 327         case OCS_ECD_HELPER_BAR_READ16:
 328                 req->data = ocs_reg_read16(ocs, req->bar, req->offset);
 329                 break;
 330         case OCS_ECD_HELPER_BAR_READ32:
 331                 req->data = ocs_reg_read32(ocs, req->bar, req->offset);
 332                 break;
 333         case OCS_ECD_HELPER_BAR_WRITE8:
 334                 ocs_reg_write8(ocs, req->bar, req->offset, req->data);
 335                 break;
 336         case OCS_ECD_HELPER_BAR_WRITE16:
 337                 ocs_reg_write16(ocs, req->bar, req->offset, req->data);
 338                 break;
 339         case OCS_ECD_HELPER_BAR_WRITE32:
 340                 ocs_reg_write32(ocs, req->bar, req->offset, req->data);
 341                 break;
 342         default:
 343                 device_printf(ocs->dev, "Invalid helper command=%d\n", req->cmd);
 344                 break;
 345         }
 346
 347         return rc;
 348 }
 349
 350 static int
 351 ocs_ioctl(struct cdev *cdev, u_long cmd, caddr_t addr, int flag, struct thread *td)
 352 {
 353         int status = 0;
 354         struct ocs_softc *ocs = cdev->si_drv1;
 355         device_t dev = ocs->dev;
 356
 357         switch (cmd) {
 358         case OCS_IOCTL_CMD_ELXU_MBOX: {
 359                 /* "copyin" done by kernel; thus, just dereference addr */
 360                 ocs_ioctl_elxu_mbox_t *mcmd = (void *)addr;
 361                 status = ocs_process_mbx_ioctl(ocs, mcmd);
 362                 break;
 363         }
 364         case OCS_IOCTL_CMD_ECD_HELPER: {
 365                 /* "copyin" done by kernel; thus, just dereference addr */
 366                 ocs_ioctl_ecd_helper_t *req = (void *)addr;
 367                 status = ocs_process_ecd_helper(ocs, req);
 368                 break;
 369         }
 370
 371         case OCS_IOCTL_CMD_VPORT: {
 372                 int32_t rc = 0;
 373                 ocs_ioctl_vport_t *req = (ocs_ioctl_vport_t*) addr;
 374                 ocs_domain_t *domain;
 375
 376                 domain = ocs_domain_get_instance(ocs, req->domain_index);
 377                 if (domain == NULL) {
 378                         device_printf(ocs->dev, "domain [%d] nod found\n",
 379                                                         req->domain_index);
 380                         return -EFAULT;
 381                 }
 382
 383                 if (req->req_create) {
 384                         rc = ocs_sport_vport_new(domain, req->wwpn, req->wwnn,
 385                                                 UINT32_MAX, req->enable_ini,
 386                                         req->enable_tgt, NULL, NULL, TRUE);
 387                 } else {
 388                         rc = ocs_sport_vport_del(ocs, domain, req->wwpn, req->wwnn);
 389                 }
 390
 391                 return rc;
 392         }
 393
 394         case OCS_IOCTL_CMD_GET_DDUMP: {
 395                 ocs_ioctl_ddump_t *req = (ocs_ioctl_ddump_t*) addr;
 396                 ocs_textbuf_t textbuf;
 397                 int x;
 398
 399                 /* Build a text buffer */
 400                 if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) {
 401                         device_printf(ocs->dev, "Error: ocs_textbuf_alloc failed\n");
 402                         return -EFAULT;
 403                 }
 404
 405                 switch (req->args.action) {
 406                 case OCS_IOCTL_DDUMP_GET:
 407                 case OCS_IOCTL_DDUMP_GET_SAVED: {
 408                         uint32_t remaining;
 409                         uint32_t written;
 410                         uint32_t idx;
 411                         int32_t n;
 412                         ocs_textbuf_t *ptbuf = NULL;
 413                         uint32_t flags = 0;
 414
 415                         if (req->args.action == OCS_IOCTL_DDUMP_GET_SAVED) {
 416                                 if (ocs_textbuf_initialized(&ocs->ddump_saved)) {
 417                                         ptbuf = &ocs->ddump_saved;
 418                                 }
 419                         } else {
 420                                 if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) {
 421                                         ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
 422                                         return -EFAULT;
 423                                 }
 424
 425                                 /* translate IOCTL ddump flags to ddump flags */
 426                                 if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_WQES) {
 427                                         flags |= OCS_DDUMP_FLAGS_WQES;
 428                                 }
 429                                 if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_CQES) {
 430                                         flags |= OCS_DDUMP_FLAGS_CQES;
 431                                 }
 432                                 if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_MQES) {
 433                                         flags |= OCS_DDUMP_FLAGS_MQES;
 434                                 }
 435                                 if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_RQES) {
 436                                         flags |= OCS_DDUMP_FLAGS_RQES;
 437                                 }
 438                                 if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_EQES) {
 439                                         flags |= OCS_DDUMP_FLAGS_EQES;
 440                                 }
 441
 442                                 /* Try 3 times to get the dump */
 443                                 for(x=0; x<3; x++) {
 444                                         if (ocs_ddump(ocs, &textbuf, flags, req->args.q_entries) != 0) {
 445                                                 ocs_textbuf_reset(&textbuf);
 446                                         } else {
 447                                                 /* Success */
 448                                                 x = 0;
 449                                                 break;
 450                                         }
 451                                 }
 452                                 if (x != 0 ) {
 453                                         /* Retries failed */
 454                                         ocs_log_test(ocs, "ocs_ddump failed\n");
 455                                 } else {
 456                                         ptbuf = &textbuf;
 457                                 }
 458                         }
 459                         written = 0;
 460                         if (ptbuf != NULL) {
 461                                 /* Process each textbuf segment */
 462                                 remaining = req->user_buffer_len;
 463                                 for (idx = 0; remaining; idx++) {
 464                                         n = ocs_textbuf_ext_get_written(ptbuf, idx);
 465                                         if (n < 0) {
 466                                                 break;
 467                                         }
 468                                         if ((uint32_t)n >= remaining) {
 469                                                 n = (int32_t)remaining;
 470                                         }
 471                                         if (ocs_copy_to_user(req->user_buffer + written,
 472                                                 ocs_textbuf_ext_get_buffer(ptbuf, idx), n)) {
 473                                                 ocs_log_test(ocs, "Error: (%d) ocs_copy_to_user failed\n", __LINE__);
 474                                         }
 475                                         written += n;
 476                                         remaining -= (uint32_t)n;
 477                                 }
 478                         }
 479                         req->bytes_written = written;
 480                         if (ptbuf == &textbuf) {
 481                                 ocs_textbuf_free(ocs, &textbuf);
 482                         }
 483
 484                         break;
 485                 }
 486                 case OCS_IOCTL_DDUMP_CLR_SAVED:
 487                         ocs_clear_saved_ddump(ocs);
 488                         break;
 489                 default:
 490                         ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
 491                         break;
 492                 }
 493                 break;
 494         }
 495         case OCS_IOCTL_CMD_DRIVER_INFO: {
 496                 ocs_ioctl_driver_info_t *req = (ocs_ioctl_driver_info_t*)addr;
 497
 498                 ocs_memset(req, 0, sizeof(*req));
 499
 500                 req->pci_vendor = ocs->pci_vendor;
 501                 req->pci_device = ocs->pci_device;
 502                 ocs_strncpy(req->businfo, ocs->businfo, sizeof(req->businfo));
 503
 504                 req->sli_intf = ocs_config_read32(ocs, SLI4_INTF_REG);
 505                 ocs_strncpy(req->desc, device_get_desc(dev), sizeof(req->desc));
 506                 ocs_strncpy(req->fw_rev, ocs->fwrev, sizeof(req->fw_rev));
 507                 if (ocs->domain && ocs->domain->sport) {
 508                         *((uint64_t*)req->hw_addr.fc.wwnn) = ocs_htobe64(ocs->domain->sport->wwnn);
 509                         *((uint64_t*)req->hw_addr.fc.wwpn) = ocs_htobe64(ocs->domain->sport->wwpn);
 510                 }
 511                 ocs_strncpy(req->serialnum, ocs->serialnum, sizeof(req->serialnum));
 512                 break;
 513         }
 514
 515         case OCS_IOCTL_CMD_MGMT_LIST: {
 516                 ocs_ioctl_mgmt_buffer_t* req = (ocs_ioctl_mgmt_buffer_t *)addr;
 517                 ocs_textbuf_t textbuf;
 518
 519                 /* Build a text buffer */
 520                 if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) {
 521                         ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
 522                         return -EFAULT;
 523                 }
 524
 525                 ocs_mgmt_get_list(ocs, &textbuf);
 526
 527                 if (ocs_textbuf_get_written(&textbuf)) {
 528                         if (ocs_copy_to_user(req->user_buffer,
 529                                 ocs_textbuf_get_buffer(&textbuf),
 530                                 ocs_textbuf_get_written(&textbuf))) {
 531                                 ocs_log_test(ocs, "Error: (%d) ocs_copy_to_user failed\n", __LINE__);
 532                         }
 533                 }
 534                 req->bytes_written = ocs_textbuf_get_written(&textbuf);
 535
 536                 ocs_textbuf_free(ocs, &textbuf);
 537
 538                 break;
 539         }
 540
 541         case OCS_IOCTL_CMD_MGMT_GET_ALL: {
 542                 ocs_ioctl_mgmt_buffer_t* req = (ocs_ioctl_mgmt_buffer_t *)addr;
 543                 ocs_textbuf_t textbuf;
 544                 int32_t n;
 545                 uint32_t idx;
 546                 uint32_t copied = 0;
 547
 548                 /* Build a text buffer */
 549                 if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) {
 550                         ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
 551                         return -EFAULT;
 552                 }
 553
 554                 ocs_mgmt_get_all(ocs, &textbuf);
 555
 556                 for (idx = 0; (n = ocs_textbuf_ext_get_written(&textbuf, idx)) > 0; idx++) {
 557                         if(ocs_copy_to_user(req->user_buffer + copied,
 558                                         ocs_textbuf_ext_get_buffer(&textbuf, idx),
 559                                         ocs_textbuf_ext_get_written(&textbuf, idx))) {
 560                                         ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
 561                         }
 562                         copied += n;
 563                 }
 564                 req->bytes_written = copied;
 565
 566                 ocs_textbuf_free(ocs, &textbuf);
 567
 568                 break;
 569         }
 570
 571         case OCS_IOCTL_CMD_MGMT_GET: {
 572                 ocs_ioctl_cmd_get_t* req = (ocs_ioctl_cmd_get_t*)addr;
 573                 ocs_textbuf_t textbuf;
 574                 char name[OCS_MGMT_MAX_NAME];
 575
 576                 /* Copy the name value in from user space */
 577                 if (ocs_copy_from_user(name, req->name, OCS_MGMT_MAX_NAME)) {
 578                         ocs_log_test(ocs, "ocs_copy_from_user failed\n");
 579                         ocs_ioctl_free(ocs, req, sizeof(ocs_ioctl_cmd_get_t));
 580                         return -EFAULT;
 581                 }
 582
 583                 /* Build a text buffer */
 584                 if (ocs_textbuf_alloc(ocs, &textbuf, req->value_length)) {
 585                         ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
 586                         return -EFAULT;
 587                 }
 588
 589                 ocs_mgmt_get(ocs, name, &textbuf);
 590
 591                 if (ocs_textbuf_get_written(&textbuf)) {
 592                         if (ocs_copy_to_user(req->value,
 593                                 ocs_textbuf_get_buffer(&textbuf),
 594                                 ocs_textbuf_get_written(&textbuf))) {
 595                                 ocs_log_test(ocs, "Error: (%d) ocs_copy_to_user failed\n", __LINE__);
 596                 }
 597                 }
 598                 req->value_length = ocs_textbuf_get_written(&textbuf);
 599
 600                 ocs_textbuf_free(ocs, &textbuf);
 601
 602                 break;
 603         }
 604
 605         case OCS_IOCTL_CMD_MGMT_SET: {
 606                 char name[OCS_MGMT_MAX_NAME];
 607                 char value[OCS_MGMT_MAX_VALUE];
 608                 ocs_ioctl_cmd_set_t* req = (ocs_ioctl_cmd_set_t*)addr;
 609
 610                 // Copy the name  in from user space
 611                 if (ocs_copy_from_user(name, req->name, OCS_MGMT_MAX_NAME)) {
 612                         ocs_log_test(ocs, "Error: copy from user failed\n");
 613                         ocs_ioctl_free(ocs, req, sizeof(*req));
 614                         return -EFAULT;
 615                 }
 616
 617                 // Copy the  value in from user space
 618                 if (ocs_copy_from_user(value, req->value, OCS_MGMT_MAX_VALUE)) {
 619                         ocs_log_test(ocs, "Error: copy from user failed\n");
 620                         ocs_ioctl_free(ocs, req, sizeof(*req));
 621                         return -EFAULT;
 622                 }
 623
 624                 req->result = ocs_mgmt_set(ocs, req->name, req->value);
 625
 626                 break;
 627         }
 628
 629         case OCS_IOCTL_CMD_MGMT_EXEC: {
 630                 ocs_ioctl_action_t* req = (ocs_ioctl_action_t*) addr;
 631                 char action_name[OCS_MGMT_MAX_NAME];
 632
 633                 if (ocs_copy_from_user(action_name, req->name, sizeof(action_name))) {
 634                         ocs_log_test(ocs, "Error: copy req.name from user failed\n");
 635                         ocs_ioctl_free(ocs, req, sizeof(*req));
 636                         return -EFAULT;
 637                 }
 638
 639                 req->result = ocs_mgmt_exec(ocs, action_name, req->arg_in, req->arg_in_length,
 640                                 req->arg_out, req->arg_out_length);
 641
 642                 break;
 643         }
 644
 645         default:
 646                 ocs_log_test(ocs, "Error: unknown cmd %#lx\n", cmd);
 647                 status = -ENOTTY;
 648                 break;
 649         }
 650         return status;
 651 }
 652
 653 static void
 654 ocs_fw_write_cb(int32_t status, uint32_t actual_write_length,
 655                                         uint32_t change_status, void *arg)
 656 {
 657         ocs_mgmt_fw_write_result_t *result = arg;
 658
 659         result->status = status;
 660         result->actual_xfer = actual_write_length;
 661         result->change_status = change_status;
 662
 663         ocs_sem_v(&(result->semaphore));
 664 }
 665
 666 int
 667 ocs_firmware_write(ocs_t *ocs, const uint8_t *buf, size_t buf_len,
 668                                                 uint8_t *change_status)
 669 {
 670         int rc = 0;
 671         uint32_t bytes_left;
 672         uint32_t xfer_size;
 673         uint32_t offset;
 674         ocs_dma_t dma;
 675         int last = 0;
 676         ocs_mgmt_fw_write_result_t result;
 677
 678         ocs_sem_init(&(result.semaphore), 0, "fw_write");
 679
 680         bytes_left = buf_len;
 681         offset = 0;
 682
 683         if (ocs_dma_alloc(ocs, &dma, FW_WRITE_BUFSIZE, 4096)) {
 684                 ocs_log_err(ocs, "ocs_firmware_write: malloc failed\n");
 685                 return -ENOMEM;
 686         }
 687
 688         while (bytes_left > 0) {
 689                 if (bytes_left > FW_WRITE_BUFSIZE) {
 690                         xfer_size = FW_WRITE_BUFSIZE;
 691                 } else {
 692                         xfer_size = bytes_left;
 693                 }
 694
 695                 ocs_memcpy(dma.virt, buf + offset, xfer_size);
 696
 697                 if (bytes_left == xfer_size) {
 698                         last = 1;
 699                 }
 700
 701                 ocs_hw_firmware_write(&ocs->hw, &dma, xfer_size, offset,
 702                                                 last, ocs_fw_write_cb, &result);
 703
 704                 if (ocs_sem_p(&(result.semaphore), OCS_SEM_FOREVER) != 0) {
 705                         rc = -ENXIO;
 706                         break;
 707                 }
 708
 709                 if (result.actual_xfer == 0 || result.status != 0) {
 710                         rc = -EFAULT;
 711                         break;
 712                 }
 713
 714                 if (last) {
 715                         *change_status = result.change_status;
 716                 }
 717
 718                 bytes_left -= result.actual_xfer;
 719                 offset += result.actual_xfer;
 720         }
 721
 722         ocs_dma_free(ocs, &dma);
 723         return rc;
 724 }
 725
 726 static int
 727 ocs_sys_fwupgrade(SYSCTL_HANDLER_ARGS)
 728 {
 729         char file_name[256] = {0};
 730         char fw_change_status;
 731         uint32_t rc = 1;
 732         ocs_t *ocs  = (ocs_t *)arg1;
 733         const struct firmware *fw;
 734         const struct ocs_hw_grp_hdr *fw_image;
 735
 736         rc = sysctl_handle_string(oidp, file_name, sizeof(file_name), req);
 737         if (rc || !req->newptr)
 738                 return rc;
 739
 740         fw = firmware_get(file_name);
 741         if (fw == NULL) {
 742                 device_printf(ocs->dev, "Unable to get Firmware. "
 743                         "Make sure %s is copied to /boot/modules\n", file_name);
 744                 return ENOENT;
 745         }
 746
 747         fw_image = (const struct ocs_hw_grp_hdr *)fw->data;
 748
 749         /* Check if firmware provided is compatible with this particular
 750          * Adapter of not*/
 751         if ((ocs_be32toh(fw_image->magic_number) != OCS_HW_OBJECT_G5) &&
 752                 (ocs_be32toh(fw_image->magic_number) != OCS_HW_OBJECT_G6)) {
 753                 device_printf(ocs->dev,
 754                         "Invalid FW image found Magic: 0x%x Size: %zu \n",
 755                         ocs_be32toh(fw_image->magic_number), fw->datasize);
 756                 rc = -1;
 757                 goto exit;
 758         }
 759
 760         if (!strncmp(ocs->fw_version, fw_image->revision,
 761                                         strnlen(fw_image->revision, 16))) {
 762                 device_printf(ocs->dev, "No update req. "
 763                                 "Firmware is already up to date. \n");
 764                 rc = 0;
 765                 goto exit;
 766         }
 767
 768         device_printf(ocs->dev, "Upgrading Firmware from %s to %s \n",
 769                                 ocs->fw_version, fw_image->revision);
 770
 771         rc = ocs_firmware_write(ocs, fw->data, fw->datasize, &fw_change_status);
 772         if (rc) {
 773                 ocs_log_err(ocs, "Firmware update failed with status = %d\n", rc);
 774         } else {
 775                 ocs_log_info(ocs, "Firmware updated successfully\n");
 776                 switch (fw_change_status) {
 777                         case 0x00:
 778                                 device_printf(ocs->dev,
 779                                 "No reset needed, new firmware is active.\n");
 780                                 break;
 781                         case 0x01:
 782                                 device_printf(ocs->dev,
 783                                 "A physical device reset (host reboot) is "
 784                                 "needed to activate the new firmware\n");
 785                                 break;
 786                         case 0x02:
 787                         case 0x03:
 788                                 device_printf(ocs->dev,
 789                                 "firmware is resetting to activate the new "
 790                                 "firmware, Host reboot is needed \n");
 791                                 break;
 792                         default:
 793                                 ocs_log_warn(ocs,
 794                                         "Unexected value change_status: %d\n",
 795                                         fw_change_status);
 796                                 break;
 797                 }
 798         }
 799
 800 exit:
 801         /* Release Firmware*/
 802         firmware_put(fw, FIRMWARE_UNLOAD);
 803
 804         return rc;
 805
 806 }
 807
 808 static int
 809 ocs_sysctl_wwnn(SYSCTL_HANDLER_ARGS)
 810 {
 811         uint32_t rc = 1;
 812         ocs_t *ocs = oidp->oid_arg1;
 813         char old[64];
 814         char new[64];
 815         uint64_t *wwnn = NULL;
 816         ocs_xport_t *xport = ocs->xport;
 817
 818         if (xport->req_wwnn) {
 819                 wwnn = &xport->req_wwnn;
 820                 memset(old, 0, sizeof(old));
 821                 snprintf(old, sizeof(old), "0x%llx" , (unsigned long long) *wwnn);
 822
 823         } else {
 824                 wwnn = ocs_hw_get_ptr(&ocs->hw, OCS_HW_WWN_NODE);
 825
 826                 memset(old, 0, sizeof(old));
 827                 snprintf(old, sizeof(old), "0x%llx" , (unsigned long long) ocs_htobe64(*wwnn));
 828         }
 829
 830         /*Read wwnn*/
 831         if (!req->newptr) {
 832                 return (sysctl_handle_string(oidp, old, sizeof(old), req));
 833         }
 834
 835         /*Configure port wwn*/
 836         rc = sysctl_handle_string(oidp, new, sizeof(new), req);
 837         if (rc)
 838                 return (rc);
 839
 840         if (strncmp(old, new, strlen(old)) == 0) {
 841                 return 0;
 842         }
 843
 844         return (set_req_wwnn(ocs, NULL, new));
 845 }
 846
 847 static int
 848 ocs_sysctl_wwpn(SYSCTL_HANDLER_ARGS)
 849 {
 850         uint32_t rc = 1;
 851         ocs_t *ocs = oidp->oid_arg1;
 852         char old[64];
 853         char new[64];
 854         uint64_t *wwpn = NULL;
 855         ocs_xport_t *xport = ocs->xport;
 856
 857         if (xport->req_wwpn) {
 858                 wwpn = &xport->req_wwpn;
 859                 memset(old, 0, sizeof(old));
 860                 snprintf(old, sizeof(old), "0x%llx",(unsigned long long) *wwpn);
 861         } else {
 862                 wwpn = ocs_hw_get_ptr(&ocs->hw, OCS_HW_WWN_PORT);
 863                 memset(old, 0, sizeof(old));
 864                 snprintf(old, sizeof(old), "0x%llx",(unsigned long long) ocs_htobe64(*wwpn));
 865         }
 866
 867         /*Read wwpn*/
 868         if (!req->newptr) {
 869                 return (sysctl_handle_string(oidp, old, sizeof(old), req));
 870         }
 871
 872         /*Configure port wwn*/
 873         rc = sysctl_handle_string(oidp, new, sizeof(new), req);
 874         if (rc)
 875                 return (rc);
 876
 877         if (strncmp(old, new, strlen(old)) == 0) {
 878                 return 0;
 879         }
 880
 881         return (set_req_wwpn(ocs, NULL, new));
 882 }
 883
 884 static int
 885 ocs_sysctl_current_topology(SYSCTL_HANDLER_ARGS)
 886 {
 887         ocs_t *ocs = oidp->oid_arg1;
 888         uint32_t value;
 889
 890         ocs_hw_get(&ocs->hw, OCS_HW_TOPOLOGY, &value);
 891
 892         return (sysctl_handle_int(oidp, &value, 0, req));
 893 }
 894
 895 static int
 896 ocs_sysctl_current_speed(SYSCTL_HANDLER_ARGS)
 897 {
 898         ocs_t *ocs = oidp->oid_arg1;
 899         uint32_t value;
 900
 901         ocs_hw_get(&ocs->hw, OCS_HW_LINK_SPEED, &value);
 902
 903         return (sysctl_handle_int(oidp, &value, 0, req));
 904 }
 905
 906 static int
 907 ocs_sysctl_config_topology(SYSCTL_HANDLER_ARGS)
 908 {
 909         uint32_t rc = 1;
 910         ocs_t *ocs = oidp->oid_arg1;
 911         uint32_t old_value;
 912         uint32_t new_value;
 913         char buf[64];
 914
 915         ocs_hw_get(&ocs->hw, OCS_HW_CONFIG_TOPOLOGY, &old_value);
 916
 917         /*Read topo*/
 918         if (!req->newptr) {
 919                 return (sysctl_handle_int(oidp, &old_value, 0, req));
 920         }
 921
 922         /*Configure port wwn*/
 923         rc = sysctl_handle_int(oidp, &new_value, 0, req);
 924         if (rc)
 925                 return (rc);
 926
 927         if (new_value == old_value) {
 928                 return 0;
 929         }
 930
 931         snprintf(buf, sizeof(buf), "%d",new_value);
 932         rc = set_configured_topology(ocs, NULL, buf);
 933         return rc;
 934 }
 935
 936 static int
 937 ocs_sysctl_config_speed(SYSCTL_HANDLER_ARGS)
 938 {
 939         uint32_t rc = 1;
 940         ocs_t *ocs = oidp->oid_arg1;
 941         uint32_t old_value;
 942         uint32_t new_value;
 943         char buf[64];
 944
 945         ocs_hw_get(&ocs->hw, OCS_HW_LINK_CONFIG_SPEED, &old_value);
 946
 947         /*Read topo*/
 948         if (!req->newptr) {
 949                 return (sysctl_handle_int(oidp, &old_value, 0, req));
 950         }
 951
 952         /*Configure port wwn*/
 953         rc = sysctl_handle_int(oidp, &new_value, 0, req);
 954         if (rc)
 955                 return (rc);
 956
 957         if (new_value == old_value) {
 958                 return 0;
 959         }
 960
 961         snprintf(buf, sizeof(buf), "%d",new_value);
 962         rc = set_configured_speed(ocs, NULL,buf);
 963         return rc;
 964 }
 965
 966 static int
 967 ocs_sysctl_fcid(SYSCTL_HANDLER_ARGS)
 968 {
 969         ocs_t *ocs = oidp->oid_arg1;
 970         char buf[64];
 971
 972         memset(buf, 0, sizeof(buf));
 973         if (ocs->domain && ocs->domain->attached) {
 974                 snprintf(buf, sizeof(buf), "0x%06x",
 975                         ocs->domain->sport->fc_id);
 976         }
 977
 978         return (sysctl_handle_string(oidp, buf, sizeof(buf), req));
 979 }
 980
 981 static int
 982 ocs_sysctl_port_state(SYSCTL_HANDLER_ARGS)
 983 {
 984
 985         char new[256] = {0};
 986         uint32_t rc = 1;
 987         ocs_xport_stats_t old;
 988         ocs_t *ocs  = (ocs_t *)arg1;
 989
 990         ocs_xport_status(ocs->xport, OCS_XPORT_CONFIG_PORT_STATUS, &old);
 991
 992         /*Read port state */
 993         if (!req->newptr) {
 994                 snprintf(new, sizeof(new), "%s",
 995                         (old.value == OCS_XPORT_PORT_OFFLINE) ?
 996                                          "offline" : "online");
 997                 return (sysctl_handle_string(oidp, new, sizeof(new), req));
 998         }
 999
1000         /*Configure port state*/
1001         rc = sysctl_handle_string(oidp, new, sizeof(new), req);
1002         if (rc)
1003                 return (rc);
1004
1005         if (ocs_strcasecmp(new, "offline") == 0) {
1006                 if (old.value == OCS_XPORT_PORT_OFFLINE) {
1007                         return (0);
1008                 }
1009                 ocs_log_debug(ocs, "Setting port to %s\n", new);
1010                 rc = ocs_xport_control(ocs->xport, OCS_XPORT_PORT_OFFLINE);
1011                 if (rc != 0) {
1012                         ocs_log_err(ocs, "Setting port to offline failed\n");
1013                 }
1014         } else if (ocs_strcasecmp(new, "online") == 0) {
1015                 if (old.value == OCS_XPORT_PORT_ONLINE) {
1016                         return (0);
1017                 }
1018                 ocs_log_debug(ocs, "Setting port to %s\n", new);
1019                 rc = ocs_xport_control(ocs->xport, OCS_XPORT_PORT_ONLINE);
1020                 if (rc != 0) {
1021                         ocs_log_err(ocs, "Setting port to online failed\n");
1022                 }
1023         } else {
1024                 ocs_log_err(ocs, "Unsupported link state %s\n", new);
1025                 rc = 1;
1026         }
1027
1028         return (rc);
1029
1030 }
1031
1032 static int
1033 ocs_sysctl_vport_wwpn(SYSCTL_HANDLER_ARGS)
1034 {
1035         ocs_fcport *fcp = oidp->oid_arg1;
1036         char str_wwpn[64];
1037
1038         memset(str_wwpn, 0, sizeof(str_wwpn));
1039         snprintf(str_wwpn, sizeof(str_wwpn), "0x%llx", (unsigned long long)fcp->vport->wwpn);
1040
1041         return (sysctl_handle_string(oidp, str_wwpn, sizeof(str_wwpn), req));
1042 }
1043
1044 static int
1045 ocs_sysctl_vport_wwnn(SYSCTL_HANDLER_ARGS)
1046 {
1047         ocs_fcport *fcp = oidp->oid_arg1;
1048         char str_wwnn[64];
1049
1050         memset(str_wwnn, 0, sizeof(str_wwnn));
1051         snprintf(str_wwnn, sizeof(str_wwnn), "0x%llx", (unsigned long long)fcp->vport->wwnn);
1052
1053         return (sysctl_handle_string(oidp, str_wwnn, sizeof(str_wwnn), req));
1054 }
1055
1056 /**
1057  * @brief Initialize sysctl
1058  *
1059  * Initialize sysctl so elxsdkutil can query device information.
1060  *
1061  * @param ocs pointer to ocs
1062  * @return void
1063  */
1064 static void
1065 ocs_sysctl_init(ocs_t *ocs)
1066 {
1067         struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(ocs->dev);
1068         struct sysctl_oid *tree = device_get_sysctl_tree(ocs->dev);
1069         struct sysctl_oid *vtree;
1070         const char *str = NULL;
1071         char name[16];
1072         uint32_t rev, if_type, family, i;
1073         ocs_fcport *fcp = NULL;
1074
1075         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1076                         "devid", CTLFLAG_RD, NULL,
1077                         pci_get_devid(ocs->dev), "Device ID");
1078
1079         memset(ocs->modeldesc, 0, sizeof(ocs->modeldesc));
1080         if (0 == pci_get_vpd_ident(ocs->dev, &str)) {
1081                 snprintf(ocs->modeldesc, sizeof(ocs->modeldesc), "%s", str);
1082         }
1083         SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1084                         "modeldesc", CTLFLAG_RD,
1085                         ocs->modeldesc,
1086                         0, "Model Description");
1087
1088         memset(ocs->serialnum, 0, sizeof(ocs->serialnum));
1089         if (0 == pci_get_vpd_readonly(ocs->dev, "SN", &str)) {
1090                 snprintf(ocs->serialnum, sizeof(ocs->serialnum), "%s", str);
1091         }
1092         SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1093                         "sn", CTLFLAG_RD,
1094                         ocs->serialnum,
1095                         0, "Serial Number");
1096
1097         ocs_hw_get(&ocs->hw, OCS_HW_SLI_REV, &rev);
1098         ocs_hw_get(&ocs->hw, OCS_HW_IF_TYPE, &if_type);
1099         ocs_hw_get(&ocs->hw, OCS_HW_SLI_FAMILY, &family);
1100
1101         memset(ocs->fwrev, 0, sizeof(ocs->fwrev));
1102         snprintf(ocs->fwrev, sizeof(ocs->fwrev), "%s, sli-%d:%d:%x",
1103                         (char *)ocs_hw_get_ptr(&ocs->hw, OCS_HW_FW_REV),
1104                         rev, if_type, family);
1105         SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1106                         "fwrev", CTLFLAG_RD,
1107                         ocs->fwrev,
1108                         0, "Firmware Revision");
1109
1110         memset(ocs->sli_intf, 0, sizeof(ocs->sli_intf));
1111         snprintf(ocs->sli_intf, sizeof(ocs->sli_intf), "%08x",
1112                  ocs_config_read32(ocs, SLI4_INTF_REG));
1113         SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1114                           "sli_intf", CTLFLAG_RD,
1115                           ocs->sli_intf,
1116                           0, "SLI Interface");
1117
1118         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "fw_upgrade",
1119             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT, (void *)ocs, 0,
1120             ocs_sys_fwupgrade, "A", "Firmware grp file");
1121
1122         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1123             "wwnn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1124             ocs, 0, ocs_sysctl_wwnn, "A",
1125             "World Wide Node Name, wwnn should be in the format 0x<XXXXXXXXXXXXXXXX>");
1126
1127         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1128             "wwpn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1129             ocs, 0, ocs_sysctl_wwpn, "A",
1130             "World Wide Port Name, wwpn should be in the format 0x<XXXXXXXXXXXXXXXX>");
1131
1132         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1133             "current_topology", CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
1134             ocs, 0, ocs_sysctl_current_topology, "IU",
1135             "Current Topology, 1-NPort; 2-Loop; 3-None");
1136
1137         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1138             "current_speed", CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
1139             ocs, 0, ocs_sysctl_current_speed, "IU",
1140             "Current Speed");
1141
1142         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1143             "configured_topology", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1144             ocs, 0, ocs_sysctl_config_topology, "IU",
1145             "Configured Topology, 0-Auto; 1-NPort; 2-Loop");
1146
1147         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1148             "configured_speed", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1149             ocs, 0, ocs_sysctl_config_speed, "IU",
1150             "Configured Speed, 0-Auto, 2000, 4000, 8000, 16000, 32000");
1151
1152         SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1153                         "businfo", CTLFLAG_RD,
1154                         ocs->businfo,
1155                         0, "Bus Info");
1156
1157         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1158             "fcid", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
1159             ocs, 0, ocs_sysctl_fcid, "A", "Port FC ID");
1160
1161         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1162             "port_state", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1163             ocs, 0, ocs_sysctl_port_state, "A", "configured port state");
1164
1165         for (i  = 0; i < ocs->num_vports; i++) {
1166                 fcp = FCPORT(ocs, i+1);
1167
1168                 memset(name, 0, sizeof(name));
1169                 snprintf(name, sizeof(name), "vport%d", i);
1170                 vtree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
1171                     OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
1172                     "Virtual port");
1173
1174                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(vtree), OID_AUTO,
1175                     "wwnn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1176                     fcp, 0, ocs_sysctl_vport_wwnn, "A",
1177                     "World Wide Node Name");
1178
1179                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(vtree), OID_AUTO,
1180                     "wwpn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1181                     fcp, 0, ocs_sysctl_vport_wwpn, "A", "World Wide Port Name");
1182         }
1183
1184 }
1185
1186 /**
1187  * @brief Initialize the debug module
1188  *
1189  * Parse device hints (similar to Linux module parameters) here. To use,
1190  * run the command
1191  *    kenv hint.ocs.U.P=V
1192  * from the command line replacing U with the unit # (0,1,...),
1193  * P with the parameter name (debug_mask), and V with the value
1194  */
1195 void
1196 ocs_debug_attach(void *os)
1197 {
1198         struct ocs_softc *ocs = os;
1199         int error = 0;
1200         char *resname = NULL;
1201         int32_t unit = INT32_MAX;
1202         uint32_t ocs_debug_mask = 0;
1203
1204         resname = "debug_mask";
1205         if (0 == (error = resource_int_value(device_get_name(ocs->dev), device_get_unit(ocs->dev),
1206                                 resname, &ocs_debug_mask))) {
1207                 device_printf(ocs->dev, "setting %s to %010x\n", resname, ocs_debug_mask);
1208                 ocs_debug_enable(ocs_debug_mask);
1209         }
1210
1211         unit = device_get_unit(ocs->dev);
1212         ocs->cdev = make_dev(&ocs_cdevsw, unit, UID_ROOT, GID_OPERATOR, 0640,
1213                         "ocs%d", unit);
1214         if (ocs->cdev) {
1215                 ocs->cdev->si_drv1 = ocs;
1216         }
1217
1218         /* initialize sysctl interface */
1219         ocs_sysctl_init(ocs);
1220         mtx_init(&ocs->dbg_lock, "ocs_dbg_lock", NULL, MTX_DEF);
1221 }
1222
1223 /**
1224  * @brief Free the debug module
1225  */
1226 void
1227 ocs_debug_detach(void *os)
1228 {
1229         struct ocs_softc *ocs = os;
1230
1231         mtx_destroy(&ocs->dbg_lock);
1232
1233         if (ocs->cdev) {
1234                 ocs->cdev->si_drv1 = NULL;
1235                 destroy_dev(ocs->cdev);
1236         }
1237 }