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